CN100413454C - Water leak preventing structure of dish washer - Google Patents
Water leak preventing structure of dish washer Download PDFInfo
- Publication number
- CN100413454C CN100413454C CNB2005100140968A CN200510014096A CN100413454C CN 100413454 C CN100413454 C CN 100413454C CN B2005100140968 A CNB2005100140968 A CN B2005100140968A CN 200510014096 A CN200510014096 A CN 200510014096A CN 100413454 C CN100413454 C CN 100413454C
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- China
- Prior art keywords
- airhood
- water
- washings
- motor shaft
- dish
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- Expired - Fee Related
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Abstract
The water leak preventing structure of dish washer includes one water tank, one motor penetrating slot in the central part of the water tank bottom, one washing motor installed to the bottom of the water tank, one raised sealing case larger than the motor penetrating slot and installed on the water tank, and one air cover inside the water tank to cover the upper part of the sealing case. The water leak preventing structure of dish washer with sealing cover and sealing oil has water leak preventing effect, and its air cover results in further water leak preventing effect, so that it can avoid water leak along the periphery of the motor shaft.
Description
Technical field
The present invention relates to a kind of dish-washing machine.Particularly relate to a kind of interior washings of aqua storage tank that prevent and run through the anti-water-leaking structure of the dish-washing machine of aqua storage tank generation drainage by motor shaft.
Background technology
Usually, dish-washing machine is meant to utilize and is installed on the last side nozzle of washing tube inside and the hydraulic pressure of the following washings that side nozzle ejected, removes a kind of home appliance that is used for wash dining set attached to the swill in the tableware.
Dish-washing machine comprises and has scrubbing space and the inner washing tube that holds tableware; Be installed on the bottom surface of washing tube and store the aqua storage tank of washings; Attached to a side of aqua storage tank, be used for being drawn into the washing pump of nozzle with being stored in washings in the aqua storage tank; Drive the washing motor of washing pump; After finishing, washing is used to discharge the draining pump of dirty washings; Drive the draining pump motor of draining pump.
Washing pump is installed on aqua storage tank inside, and washing motor is installed on the bottom surface of aqua storage tank, and washing motor is positioned on the identical vertical line with washing pump.The motor shaft of washing motor extends through the inside of aqua storage tank, and motor shaft will directly connect washing pump.Along with the rotation of motor shaft, extract washings in the impeller rotation in washing pump.
When motor shaft runs through from the bottom surface when being inserted into aqua storage tank, the problem that washings leak along with the outer peripheral face of motor shaft can appear when motor shaft rotates.
In detail, when motor shaft rotates and aqua storage tank rub, and friction can make the sealing property between motor shaft and the aqua storage tank descend.The slit to occur between the motor shaft through hole of motor shaft and aqua storage tank at this moment, leakage phenomenon will take place by the slit in washings.
Summary of the invention
Technical problem to be solved by this invention is that a kind of anti-water-leaking structure that can avoid the washings of storage in the aqua storage tank along the dish-washing machine of the outer peripheral face generation leakage phenomenon of motor shaft is provided.
The technical solution adopted in the present invention is: a kind of anti-water-leaking structure of dish-washing machine includes: the water-storage cistern that constitutes aqua storage tank; Divide the motor that forms to run through groove in the water-storage cistern bottom central part; Be installed on the washing motor of water-storage cistern bottom surface; The diameter that is installed on the water-storage cistern runs through the diameter of groove and the seal box of projection greater than motor shaft; It is inner and be used to hide the airhood of seal box upper portion to be installed on water-storage cistern, and airhood inside is filled with air, and the water level of the washings of airhood inside is injected in restriction.
Airhood is formed with: the motor shaft that is used to insert the motor shaft of washing motor runs through cover; Motor shaft run through cover below the airhood epipleural that forms; In the bottom surface of airhood epipleural, the airhood wall of at least one of Xing Chenging vertically downward.
The peak level that flows into the washings of airhood inside is equal to or less than the height of seal box.
Seal box includes: be installed on inner seal cover; Be filled into the Seal Oil of seal cover inside.
Another technical scheme of the present invention is: a kind of anti-water-leaking structure of dish-washing machine includes: constitute the part of aqua storage tank and be provided with the water-storage cistern of the anti-airhood that leaks, the wherein anti-airhood that leaks includes motor shaft and runs through cover; Motor shaft run through cover below the airhood epipleural that forms; Below the airhood epipleural, prolong the airhood outer wall that forms; The airhood inwall of at least one that forms in the inboard of airhood outer wall, described airhood inside is filled with air, and the water level of the washings of airhood inside is injected in restriction.
The interior volume that the airhood inner and outer wall is constituted is filled with air
The anti-water-leaking structure of dish-washing machine of the present invention utilizes the seal cover and the Seal Oil that are installed in the motor shaft seal box, realizes waterproof effect first.Avoid washings to flow into seal box inside by the airhood that covers seal cover again, thereby realize waterproof effect once more.Can avoid motor shaft vertically to run through when being inserted into the aqua storage tank bottom surface, washings take place along the phenomenon of the outer peripheral face leakage of motor shaft.
Description of drawings
Fig. 1 is the internal structure schematic diagram of dish-washing machine of the present invention;
Fig. 2 is the water storage tank structure decomposition texture schematic diagram of dish-washing machine of the present invention;
Fig. 3 is the structural representation that the aqua storage tank of anti-water-leaking structure of the present invention vertically cuts;
Fig. 4 is the structural representation that anti-water-leaking structure of the present invention cuts along diameter;
Fig. 5 is the state amplification schematic cross-section that washings accumulate in airhood inside.
Wherein:
100: dish-washing machine 110: washing tube
111: door 120: go up side stand
130: following side stand 140: aqueduct
150: go up side nozzle 160: following side nozzle
200: aqua storage tank 210: the downside nozzle holder
220: filter 230: sealed compartment
240: pump box installation portion 250: impeller
260: cyclone valve 270: gauze filter
280: residue treatment device 290: water-storage cistern
300: drain motor 310: water impeller
320: heater 330: washing motor
400: seal box 410: seal cover
420: Seal Oil 500: airhood
520: airhood epipleural 530: the airhood outer wall
540: airhood inwall 550: cabin, the outside
The specific embodiment
Below, describe being suitable for embodiments of the invention in conjunction with the accompanying drawings.
Fig. 1 is the internal structure schematic diagram of dish-washing machine of the present invention.
As shown in Figure 1, the dish-washing machine 100 of anti-water-leaking structure of the present invention comprises formation outward appearance and inner washing tube 110 with dishwashing detergent groove; Be positioned at the positive of washing tube 110 and be used for the door 111 of switch sink; The aqua storage tank 200 of washings is divided and be used to store to the bottom central part that is positioned at washing tube 110.
The aqueduct 140 that also comprises the movable passageway that is used for washings; Be positioned at the upper side of aqua storage tank 200 and the following side nozzle 160 of the jet cleaning water that makes progress from the bottom surface of sink; Be positioned at the chamber middle part of washing the dishes, and be arranged at the top of aqueduct 140, prolong and form and go up side nozzle 150 from the direction vertical with aqueduct 140; And the top that is arranged at the bucket that washes the dishes, the top jet nozzle 155 of dish water sprays in the side vertically downward.
Simultaneously, also comprise, be installed on the last side stand 120 of the upper portion of side nozzle 150 for side nozzle 150 can be washed tableware; For side nozzle 160 can be washed tableware, be installed on down the following side stand 130 of side nozzle 160 upper portions.
In detail, last side stand 120 is supported by the cross bar (not shown) that is installed in washing tube 110 medial surfaces, and can move at fore-and-aft direction.
Below, the method for work that is suitable for dish-washing machine 100 of the present invention is described.
At first, the user opens the door 111 of dish-washing machine 100 and will go up side stand 120 or descend side stand 130 to pull to the sink outside.At last side stand 120 or after down placing tableware in the side stand 130, close door 111 and connect power supply dish-washing machine is started working.
When dish-washing machine 100 is connected power supply and begun to carry out the washing stage, the washings that transmit from water-supply source will flow into aqua storage tank 200 inside.Washing motor 330 will be started working after the washings inflow stage finishes, be installed on washing pump (not shown) impeller (not shown) inner and that be connected to the motor shaft of washing motor 330 this moment and begin rotation, make washings be drawn into down side nozzle 160 and aqueduct 140.
The washings that are drawn in the aqueduct 140 flow to tip nozzles 155 and last side nozzle 150 the most at last and are ejected into sink inside, and the tableware that is placed in side stand 120 or the following side stand 130 will be carried out washing process by the washings that spray.
At this moment, tip nozzles 155 is to vertical lower jet cleaning water, and goes up side nozzle 150 to vertical direction jet cleaning water, and with this tableware that is placed on side stand 120 washed.
Simultaneously, following side nozzle 160 is to vertical direction jet cleaning water, and with this tableware that is placed on down side stand 130 washed.At this moment, can also be by form jet in the bottom surface of last side nozzle 150, make its about both direction jet cleaning water, thereby simultaneously the upper side of the tableware that is placed on down side stand 130 is washed.
After washing process finishes, the washings that accumulate in the dirt in the aqua storage tank 200 will be discharged to the outside of dish-washing machine 100 by the draining pump (not shown).
After washings are discharged to the outside, clean washings will flow into aqua storage tank 200 again by inflow entrance, then utilize the mode identical with the washing stage to spray by nozzle 150,160.Utilize the clean washings that spray, tableware will be through rinse stage.
After rinse stage finishes, just will finish whole washing process through drying stage again.
Fig. 2 is the water storage tank structure decomposition texture schematic diagram of dish-washing machine of the present invention.
As shown in Figure 2, the aqua storage tank 200 of the dish-washing machine of anti-water-leaking structure of the present invention includes: the water-storage cistern 290 that is used to preserve the former water of supplying with by the washings supply pipe of dish-washing machine outside; Be installed on the washing motor 330 of the bottom surface of water-storage cistern 290; Be connected to the motor shaft 331 that the core at washing motor 330 convexes to form, and in rotation, decompose the residue treatment device 280 of swill.
Also comprise the upper portion that is installed on residue treatment device 280, to being stored in the pump box 256 that water-storage cistern 290 interior washings extract; Be installed on pump box 256 inside, be used to extract the impeller 250 of washings.Core at impeller 250 inserts motor shaft 331, and extracts washings in along with motor shaft 331 rotary course together.
Also comprise and be installed between residue treatment device 280 and the pump box 256, be used for preventing to enter the gauze filter 270 of pump box 256 inside by the bigger residue of swill that residue treatment device 280 is pulverized.
Also comprise the upper side that covers pump box 256, and form sealed compartment 230 extracting channel of the washings current channeling conduct that is drawn into pump box 256 inside.
Also comprise the upper side that is installed on sealed compartment 230, and have the filter 220 of nozzle connector at middle body and edge.In detail, the nozzle connector be in order to be directed to each nozzle by the extracting channel flowing water flow in the sealed compartment 230, and combine with nozzle.In addition, in order to be directed to different nozzles respectively, cyclone valve 260 is installed in a side of sealed compartment 230 by the extracting channel washing water flowing.
In the marginal portion of filter 220, the washings through hole 221 and the gauze filter 227 that are used for the swill that falls down from tableware is carried out filtration for the first time are installed.Simultaneously, the middle body of filter 220 has the insertion mouth 223 of the downside nozzle holder 210 that is used to be installed on down side nozzle.This external one lateral edges, the aqueduct that is used to insert aqueduct 140 downside ends that also has certain altitude and diameter inserts cover 226.Aqueduct 140 is a kind of in order to make the washings that extract by washing pump 256 flow to nozzle as mentioned above, from the washing tube bottom surface to the washing tube upper side with "
" the washings flow duct that forms of shape.
One side of sealed compartment 230 has the cyclone valve installation portion 235 that is used to install cyclone valve 260, and upper side then has from the cyclone valve installation portion 235 tortuous downside nozzle guide passages 236 that form.In addition, also has the aqueduct guiding channel 237 that inserts cover 226 guiding washings from cyclone valve installation portion 235 to aqueduct.
Edge one side of sealed compartment 230 has the drainage channel 241 that forms with the certain width and the degree of depth according to the shape of sealed compartment 230.Simultaneously, a side end of drainage channel 241 has the turbidity sensor insertion groove 232 that is used to install turbidity sensor, and the bottom surface of opposite side end then has the rhone 242 that is connected with draining pump and aqua storage tank bottom surface.Wherein, turbidity sensor is meant and is installed on aqua storage tank one side, is used under the state that washing is carried out the dustiness detecting sensor that the pollution level to washings detects.
Also comprise the guiding channel 233 that is used for the washings that pump box 256 extracts are directed to the turbidity sensor that is inserted in turbidity sensor insertion groove 232.
The washings through hole 221 downward washings that drip by filter 220 will accumulate in the water-storage cistern 290.And, after polluter is filtered by gauze filter 227, accumulate in water-storage cistern 290 downwards by the drainage channel that is arranged in gauze filter 227 belows by the washings that gauze filter 227 drips.
In pump box 256, has the impeller mounting groove 257 that is used for installing impeller 250 to central authorities.The outer peripheral face of the outer peripheral face of impeller mounting groove 257 and pump box 256 will form an extracting channel 258, and extracting channel 258 will form certain degree of depth according to the outer wall of pump box 256.Enter the washings of pump box 256 inside, will move to cyclone valve 260 by extracting channel 258.
Water-storage cistern 290 is included in the feedwater connector 291 that lower end one side convexes to form; The draining pump box 296 that is recessed to form of an opposite side at feedwater connector 291; In the heater accommodation section 292 that central interior is recessed to form with certain depth.
The central authorities of heater accommodation section 292 have the motor that is used to run through motor shaft and run through groove 293; And, have the heater intake 298 that is used to insert heater 320 in a side of water-storage cistern 290.Also comprise diameter and run through the diameter of groove 293, have the seal box 400 of the drum of certain altitude greater than motor.The inside of seal box 400 comprises the outer peripheral face that is embedded into motor shaft 331, is used for preventing first the seal cover (follow-up explanation) that leaks.Comprise the outer peripheral face that is inserted into the motor shaft 331 between pump box 256 downsides and seal box 400 upsides in addition, be used for preventing once more the airhood 500 that leaks.About airhood 500, will in subsequent content, be described in detail.
Draining pump box 296 is connected with sealed compartment rhone 297, and drain motor 300 will be installed in the draining pump box 296.The front of drain motor 300 is equipped with water impeller 310, by in the inner rotation of draining pump box 296, extracts washings and discharges by drainpipe.
In water-storage cistern 290, the outside of heater accommodation section 292 forms cyclone valve mounting groove 295, and is forming turbidity sensor mounting groove 294 with cyclone valve mounting groove 295 position separated by a distance.
Below, the washings flow process in the water storage tank structure of the present invention of structure is as mentioned above carried out simple declaration.At first along with the rotation of washing motor 330, the washings that are stored in the aqua storage tank bottom surface will be inhaled into impeller 250 directions that are installed on pump box 256 inside.The washings that are extracted along with the rotation of impeller 250 obtain purifying for the first time by gauze filter 270, are directed to side nozzle (not shown) and following side nozzle (not shown) respectively by the extracting channel 258 that is formed by pump box 256 and sealed compartment 230 then.Wherein, washings are shunted by cyclone valve 260, are directed to side nozzle and following side nozzle by downside nozzle guide passage 236 and aqueduct guiding channel 237 respectively.
In more detail, cyclone valve 260 makes washings side nozzle 150 or a certain nozzle in the side nozzle 160 is open down only upwards in a period of time.After after a while, the nozzle of an alternately open other side, thus washings are sprayed by last side nozzle and following side nozzle equably.
By the part in the washings of passage guiding, will accumulate in the bottom surface of aqua storage tank by turbidity sensor (not shown) and the drainage channel 241 that is positioned at sealed compartment 230 shells one side.In this external drainage procedure, washings will be moved to draining pump box 296, then when draining pump 300 is started working along with the rotation of water impeller 310 is discharged.
Fig. 3 is the structural representation that the aqua storage tank of anti-water-leaking structure of the present invention vertically cuts; Fig. 4 is the structural representation that anti-water-leaking structure of the present invention cuts along diameter.
As shown in Figure 3, the airhood 500 in the anti-water-leaking structure of the present invention is inserted into the outer peripheral face of the motor shaft between aforesaid pump box 256 downsides and the seal cover 410.
The inside of seal box 400 is equipped with seal cover 410, and the interior volume that seal cover 410 and seal box 400 are constituted will be filled Seal Oil 420.For the outer peripheral face that makes motor shaft 331 keeps sealing state, the sealing lip 411 that has multilayer in the seal cover 410.Therefore when the outer peripheral face of sealing lip 411 close attachment, can avoid washings inflow seal cover 400 inside at motor shaft 331.In addition, fill the space that seal covers 410 and seal box 400 are constituted, can guarantee that washings and Seal Oil 420 Shi Buhui that meets mixes by utilizing Seal Oil 420.Simultaneously, Seal Oil 420 can also play the lubrication of motor shaft 331.
As shown in Figure 4, the airhood 500 in the anti-water-leaking structure of the present invention comprises the airhood epipleural 520 of the disc-shape of certain diameter; In order to insert motor shaft, run through cover 510 with the motor shaft of certain diameter and a certain size formation at the middle body of airhood epipleural 520.
Wherein, the quantity of airhood inwall 540 is not limited to present embodiment, also can form a plurality of inwalls in order to form a plurality of cabins.
Fig. 5 is the state amplification schematic cross-section that washings accumulate in airhood inside.
As shown in Figure 5, airhood 500 of the present invention is installed on the upside of seal box 400 and covers seal box 400.Seal cover 400 will be received into the inboard of airhood inwall 540 fully.Simultaneously, the end of airhood outer wall 530 and airhood inwall 540 is a little more than the bottom surface of water-storage cistern 290, and washings will flow into by clearance space.
When washings flow into aqua storage tank 290 inside, will flow into cabin 550, the outside, 560 inside, inboard cabin simultaneously, the water level of cabin 550, outside this moment, 560 inside, inboard cabin will raise gradually.As mentioned above, cabin 550, the outside, 560 inside, inboard cabin are filled with air in certain amount, along with the rising of washings water level, the density of air also will increase, so water level can rise to the air pressure moment identical with the pressure of washings in cabin 550, the outside, the inboard cabin 560 always.Wherein, the peak level H of the washings in the cabin, the outside 550, inboard cabin 560 height that is lower than seal box 400 is advisable.
As mentioned above, by the height that the peak level H that makes the washings that flow into airhood 500 inside is lower than seal box 400, can avoid the phenomenon between washings inflow seal box 400 and the seal cover 410 to take place.
Claims (6)
1. the anti-water-leaking structure of a dish-washing machine includes: the water-storage cistern (290) that constitutes aqua storage tank (200); It is characterized in that, also include: divide the motor that forms to run through groove (293) in water-storage cistern (290) bottom central part; Be installed on the washing motor (330) of water-storage cistern (290) bottom surface; The diameter that is installed on the water-storage cistern (290) runs through the diameter of groove (293) and the seal box (400) of projection greater than motor shaft; It is inner and be used to hide the airhood (500) of seal box (400) upper portion to be installed on water-storage cistern (290), and airhood (500) inside is filled with air, and the water level of the inner washings of airhood (500) is injected in restriction.
2. the anti-water-leaking structure of dish-washing machine according to claim 1 is characterized in that, airhood (500) is formed with: the motor shaft that is used to insert the motor shaft of washing motor (330) runs through cover (510); The airhood epipleural (520) that runs through the below formation of cover (510) at motor shaft; Bottom surface in airhood epipleural (520), the airhood wall of at least one of Xing Chenging vertically downward.
3. the anti-water-leaking structure of dish-washing machine according to claim 1 is characterized in that, the peak level (H) that flows into the inner washings of airhood (500) is equal to or less than the height of seal box (400).
4. the anti-water-leaking structure of dish-washing machine according to claim 1 is characterized in that, seal box (400) includes: be installed on inner seal cover (410); Be filled into the inner Seal Oil (420) of seal cover (410).
5. the anti-water-leaking structure of a dish-washing machine, it is characterized in that, include: constitute the part of aqua storage tank (200) and be provided with the water-storage cistern (290) of anti-airhood (500) that leak, the wherein anti-airhood (500) that leaks includes motor shaft and runs through cover (510); The airhood epipleural (520) that runs through the below formation of cover (510) at motor shaft; Below at airhood epipleural (520) prolongs the airhood outer wall (530) that forms; The airhood inwall (540) of at least one that forms in the inboard of airhood outer wall, described airhood (500) inside is filled with air, and the water level of the inner washings of airhood (500) is injected in restriction.
6. the anti-water-leaking structure of dish-washing machine according to claim 5 is characterized in that, the interior volume that airhood inwall (540) and outer wall (530) are constituted is filled with air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100140968A CN100413454C (en) | 2005-06-29 | 2005-06-29 | Water leak preventing structure of dish washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100140968A CN100413454C (en) | 2005-06-29 | 2005-06-29 | Water leak preventing structure of dish washer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1887208A CN1887208A (en) | 2007-01-03 |
| CN100413454C true CN100413454C (en) | 2008-08-27 |
Family
ID=37576489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100140968A Expired - Fee Related CN100413454C (en) | 2005-06-29 | 2005-06-29 | Water leak preventing structure of dish washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100413454C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101484621B1 (en) * | 2008-04-11 | 2015-01-20 | 엘지전자 주식회사 | Dish washing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612947A (en) * | 1985-05-31 | 1986-09-23 | Design & Manufacturing Corporation | Apparatus for removing soil from the wash and rinse waters of an automatic dishwasher |
| CN2217631Y (en) * | 1995-02-28 | 1996-01-17 | 黄正曦 | Shaft-sealing device for wave wheel of washing machine |
| US5624245A (en) * | 1994-10-26 | 1997-04-29 | Mp Pumps, Inc. | Centrufugal pump with thermally isolated and dynamically air cooled shaft seal assembly |
-
2005
- 2005-06-29 CN CNB2005100140968A patent/CN100413454C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612947A (en) * | 1985-05-31 | 1986-09-23 | Design & Manufacturing Corporation | Apparatus for removing soil from the wash and rinse waters of an automatic dishwasher |
| US5624245A (en) * | 1994-10-26 | 1997-04-29 | Mp Pumps, Inc. | Centrufugal pump with thermally isolated and dynamically air cooled shaft seal assembly |
| CN2217631Y (en) * | 1995-02-28 | 1996-01-17 | 黄正曦 | Shaft-sealing device for wave wheel of washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1887208A (en) | 2007-01-03 |
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Granted publication date: 20080827 |