Summary of the invention
Technical problem to be solved by this invention is, a kind of infusion pump of electronic control liquid stopping clamp is provided, and realizes that liquid stopping clamp opens and closes automatically, and is simple to operation, saves manpower, and can provide larger clamping force to make the tube for transfusion firm grip.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of infusion pump of electronic control liquid stopping clamp, it comprises middle plate, and described infusion pump also comprises the switch that is arranged on described middle plate, control module, Vidacare corp, slide bar, and is used for clamping the liquid stopping clamp of tube for transfusion; Described switch is used for triggering described control module, and described control module is connected electrically between described switch and described Vidacare corp, is used for controlling described Vidacare corp action;
Be installed with block on described middle plate, described liquid stopping clamp slides and is arranged at described middle plate, and is oppositely arranged with described block;
Described Vidacare corp and described slide bar are in transmission connection, and described slide bar slides along self length direction and is arranged at described middle plate, and in the driving lower slider of described Vidacare corp; Described liquid stopping clamp is connected in described slide bar, and under the driving of described slide bar near or away from described block.
Wherein, described Vidacare corp comprises motor, reaches screw mandrel and the nut of threaded engagement, and described screw mandrel is connected with described motor-driven, and rotates under the driving of described motor; Described nut is fixedly connected with described slide bar;
Perhaps, described Vidacare corp comprises motor, reaches pitch wheel and tooth bar; Described tooth bar is fixedly connected with described slide bar, and described gear drive is connected in motor and rotates under the driving of described motor, and drives described tooth bar and described slide bar rectilinear motion;
Perhaps, described Vidacare corp is the pneumatic cylinder that is connected in described slide bar;
Perhaps, described Vidacare corp is the hydraulic cylinder that is connected to described slide bar.
Wherein, the glide direction of described slide bar is perpendicular to the glide direction of described liquid stopping clamp, described liquid stopping clamp is provided with lead, described slide bar is provided with the guiding skewed slot that matches with described lead, described guiding skewed slot is bar shaped, and all there is spacing in the two ends of its length direction on the glide direction of the glide direction of described slide bar and described liquid stopping clamp.
Wherein, described infusion pump also comprises be used to the control button that triggers described switch, and described switch is arranged at the rear plate face of described middle plate, and described control button slides and is arranged in described middle plate, one end and described switch are connected, and the other end protrudes from the front face of middle plate.
Wherein, the front face of described middle plate is hinged with the pump door that can press described control button.
Wherein, when described control button is in releasing orientation, described liquid stopping clamp also is in closure state near described block; When described control button is in down state, described liquid stopping clamp is away from described block and be in open mode.
Wherein, also be installed with cross section on described middle plate and be the guide of L shaped strip, described slide bar is parallel to a support arm of described guide and is limited between another support arm and described middle plate of described guide.
Wherein, described middle plate is provided with the liquid stopping clamp hole, and described liquid stopping clamp hole is along the slide bar shaped of square setting of described liquid stopping clamp, and described liquid stopping clamp slides and is arranged in the liquid stopping clamp hole.
Wherein,, described infusion pump also comprises the checkout gear for detection of described liquid stopping clamp on off state, described checkout gear is electrically connected to described control module and testing result is sent to described control module to control described Vidacare corp action.
Wherein, described checkout gear comprises two position switch, is respectively used to detect two positions that described slide bar slides; Be installed with the slide bar button for the trigger position switch on described slide bar.
The embodiment of the present invention has following advantage or beneficial effect: pass through trigger switch, utilize control module to control the Vidacare corp action, slide bar drive liquid stopping clamp moves can realize that liquid stopping clamp opens and closes automatically, very laborsaving, avoided because manpower is excessive, infusion pump being toppled over, and operation is also very convenient, has significantly improved work efficiency; Clamping force makes the tube for transfusion firm grip to utilize the cooperation of Vidacare corp and slide bar can provide more greatly; Eliminate simultaneously the active force of liquid stopping clamp to the pump door, be convenient to close and open the pump door.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
See also Fig. 1, Fig. 2 and Fig. 3, the preferred embodiment of the present invention provides a kind of infusion pump of electronic control liquid stopping clamp, and it comprises middle plate 11.Middle plate 11 integral body are rectangular plate body shape roughly, and middle plate 11 has relative front face 11a and rear plate face 11b.Infusion pump also comprises back cover 12 and pump door 13, the rear plate face 11b of middle plate 11 is fixedly connected with back cover 12, front face 11a and pump door 13 hinged.
As shown in Figure 2 and Figure 3, the infusion pump of electronic control liquid stopping clamp also comprises the switch 2 that is arranged on middle plate 11, control module (not shown), Vidacare corp 3, slide bar 4, and is used for clamping the liquid stopping clamp 5 of tube for transfusion 100.In the present embodiment, switch 2, Vidacare corp 3 all are fixed in the rear plate face 11b of middle plate 11, switch 2, Vidacare corp 3 and slide bar 4 all can be contained in back cover 12 after middle plate 11 is fixing with back cover 12.
Switch 2 is used for trigger control module, and control module is connected electrically between switch 2 and Vidacare corp 3, is used for controlling Vidacare corp 3 actions.Control module can be the control system of a man-machine interaction, and it can be controlled the startup of Vidacare corp 3 and stop.
For the ease of opening switch 2, infusion pump also comprises the control button 20 for trigger switch 2, control the position of button 20 corresponding to the installation site of switch 2, when control button 20 is depressed, this control button 20 is opened switch 2, this switch 2 sends triggering signal to control module, and this control module is controlled motor 3 actions.Control button 20 slips and be arranged in middle plate 11, one end and switch 2 are connected, and the other end protrudes from the front face 11a of middle plate 11.When closing pump door 13, pump door 13 act on control button 20 make its rear plate face 11b to middle plate 11 move (being about to control button 20 presses) but trigger switch 2, control module is controlled Vidacare corp 3 actions opens or closed liquid stopping clamp 5.Herein, as other embodiment, the front face 11a that also can directly switch 2 be arranged on middle plate 11 upward need not arrange and control button 20.
As shown in Figure 1, be installed with block 15 on middle plate 11, in the present embodiment, block 15 is arranged on the front face 11a of middle plate 11.Liquid stopping clamp 5 slides and is arranged at middle plate 11, and is oppositely arranged with block 15.As shown in Figure 3, middle plate 11 is provided with liquid stopping clamp hole 110, and liquid stopping clamp hole 110 is the bar shaped that arranges along liquid stopping clamp 5 glide directions, and liquid stopping clamp 5 slides and is arranged in liquid stopping clamp hole 110.Liquid stopping clamp 5 comprises only liquid section 51 and connecting portion 52, only liquid section 51 be arranged in the liquid stopping clamp hole and with block 15 corresponding matching.
Further, 110 edges, liquid stopping clamp hole are stairstepping perpendicular to the cross section on its length direction, the width of its close middle plate 11 front face 11a is less than its width near the rear plate face of middle plate 11 11b, connecting portion 52 and liquid only section 51 connect into match with liquid stopping clamp hole 110 stepped, are beneficial to the slip of liquid stopping clamp 5.Only liquid section 51 extends to form a sticking part 53 to the direction away from block 15, and sticking part 53 is fitted with the front panel of middle plate 11, the stability that moves with further assurance liquid stopping clamp 5.
Vidacare corp 3 is in transmission connection with slide bar 4, and slide bar 4 slides along self length direction and is arranged at middle plate, and in the driving lower slider of Vidacare corp 3.In the present embodiment, Vidacare corp 3 comprises motor 31, and screw mandrel 32 and the nut 33 of threaded engagement.Screw mandrel 32 is in transmission connection with motor 31, and rotates under the driving of motor 31, and nut 33 is fixedly connected with slide bar 4.Screw mandrel 31 rotation makes nut 33 move axially and be with moving slide-bar 4 traveling priorities along screw mandrel 32.For the stability that guarantees that screw mandrel 32 rotates, the end of screw mandrel 32 is provided with the support of bearing 35, and screw mandrel 32 rotates by bearing and is arranged at the support of bearing 35.
In embodiments of the present invention, motor 31 can adopt motor, and its controllability is strong, so that increase the safety and reliability that operation is controlled.Further, motor 31 is connected in screw mandrel 32 by deceleration device 34, and in the present embodiment, deceleration device 34 is train of reduction gears, and is simple in structure, is conducive to improve the active force of 33 pairs of slide bars 4 of nut, thereby improves the active force of liquid stopping clamp 5.Certainly in other embodiments, deceleration device 34 can be also the common deceleration devices such as worm and gear speed-reduction apparatus, belt wheel deceleration device or sprocket deceleration device.
In the above-described embodiment, Vidacare corp 3 adopts the cooperation of motor 31, screw mandrel 32 and nut 33 to make slide bar 4 rectilinear motions, as other embodiment, the cooperation of screw mandrel 32 and nut 33 is also replaceable is pitch wheel and tooth bar, tooth bar is fixedly connected with slide bar, gear drive is connected in motor and rotates under the driving of motor, and band carry-over bar and slide bar rectilinear motion; Perhaps, Vidacare corp 3 directly drives slide bar and slides for the pneumatic cylinder that is connected in slide bar or hydraulic cylinder etc.
In the present embodiment, the glide direction of slide bar 4 is perpendicular to the glide direction of liquid stopping clamp 5, and liquid stopping clamp 5 is provided with lead 50, and particularly, lead 50 is arranged on connecting portion 52.Slide bar 4 is provided with the guiding skewed slot 40 that matches with lead 50, and guiding skewed slot 40 is bar shaped, and all there is spacing in the two ends of its length direction on the glide direction of the glide direction of slide bar 4 and liquid stopping clamp 5.Screw mandrel 32 rotates and can make nut 33 band moving slide-bar 4 traveling priorities, by coordinating of guiding skewed slot 40 and lead 50, can make liquid stopping clamp 5 move, thereby close or away from block 15.
In the present embodiment, the rectangular plate body shape of middle plate 11, tube for transfusion along in the setting of arranging of the length direction of plate 11, block 15 and liquid stopping clamp 5 are oppositely arranged on the both sides of tube for transfusion 100, the glide direction of liquid stopping clamp 5 is that the width of middle plate 11 is namely perpendicular to tube for transfusion 100, in order to tube for transfusion 100 is clamped.The length direction that the glide direction of slide bar 4 is parallel to middle plate 11 namely is parallel to tube for transfusion 100, its two ends are connected to respectively nut 33 and liquid stopping clamp 5, utilize the mid portion of slide bar 4 length directions that other structures can be set, the interlock of realization and other structures, door locking structure of for example pump door 13 and middle plate 11 being locked etc.
For the stability that guarantees that slide bar 4 slides, also be installed with cross section on middle plate 11 and be the guide 14 of L shaped strip, slide bar 4 is parallel to a support arm of guide 14 and is limited between another support arm and middle plate of guide 14.14 pairs of these power transmission shafts 41 of guide play the effect of location, and prevent that this slide bar 4 from producing skew in moving process.
Further, as shown in Figure 2 and Figure 3, infusion pump also comprises the checkout gear 7 for detection of liquid stopping clamp 5 on off states, and checkout gear 7 is electrically connected to control module and testing result is sent to motor 31 actions of control module to control Vidacare corp 3.In the present embodiment, checkout gear comprises two position switch, primary importance switch 71 and second position switch 72, be respectively used to detect two positions that slide bar 4 slides, be installed with the slide bar button 41 for the trigger position switch on slide bar 4, when slide bar button 41 moves to a primary importance or a second position with slide bar 4, trigger respectively primary importance switch 71 or second position switch 72.Primary importance switch 71, second position switch 72 and switch 2 all are arranged on a switchboard 70.Utilize primary importance switch 71 and second position switch 72 to coordinate the movement of slide bar button 41 can detect the position that slide bar 4 moves, and then detect the on off state of liquid stopping clamp 5, and transmission controls signal to control module accordingly according to testing result, and this control module is controlled motor 31 and started and stop.
When liquid stopping clamp 5 was in closure state, slide bar button 41 was along with slide bar 4 moves to primary importance, and slide bar button 41 triggers primary importance switch 71 and sends and controls signal to accordingly control module, can detect liquid stopping clamp 5 and be in complete closure state.When liquid stopping clamp 5 was in open mode, slide bar button 41 was along with slide bar 4 moves to the second position, and slide bar button 41 triggers second position switch 72 and sends and controls signal to accordingly control module, can detect liquid stopping clamp 5 and open fully.
The checkout gear that the present embodiment provides, simple in structure, be convenient to install and arrange, cost is low, the location status of the turned position indirect detection liquid stopping clamp 5 by detecting power transmission shaft 41, as other embodiment, checkout gear 7 comprises magnet and two Hall switch, magnet is fixed on liquid stopping clamp 5 or slide bar 4, two Hall switch are fixed on middle plate 11, and corresponding be arranged on two positions that liquid stopping clamp 5 or slide bar 4 move, by the coordinate location status that can detect liquid stopping clamp 5 of two Hall switch with magnet.Perhaps, adopt the on off state of the checkout gear detection liquid stopping clamp 5 of other forms or structure, for example photoswitch, microswitch, touch-switch, approach switch etc.
Pump door 13 is closed the door under state, and pump door 13 will be controlled button 20 and press, and liquid stopping clamp 5 is in open mode.Change or when tube for transfusion 100 is installed, open pump door 13, due to the pressure that has lost pump door 13, controlling button 20 and unclamp, switch 2 and control module are controlled motor 31 and are made liquid stopping clamp 5 closures, thus the clamped blocking-up liquid of tube for transfusion 100 road.Press with hands and control button 20 with switch opens, control module is controlled motor 31 forwards, motor 31 drives screw mandrel 32 forwards by deceleration device 34, nut 33 band moving slide-bar 4 forwards move, utilize the cooperation of guiding skewed slot 40 and lead 50 to make liquid stopping clamp 5 slide to the direction away from block 15, liquid stopping clamp 5 is opened gradually; When slide bar 4 moved to slide bar button 41 triggering second position switch 72, control module was controlled motor 31 and is stopped operating, and this moment, liquid stopping clamp 5 was opened fully, as Fig. 4, shown in Figure 5, can take off or install the operation of tube for transfusion 100.
After installing tube for transfusion 100, unclamp and control button 20, control button 20 and upspring, control module is controlled motor 31 counter-rotatings, motor 31 oppositely moves by deceleration device 34 band moving slide-bars 4, and slide bar 4 drives liquid stopping clamp 5 and slides to the direction near block 15, and liquid stopping clamp 5 is closed gradually.When slide bar 4 moved to slide bar button 41 triggering second position switch 72, control module was controlled motor 31 and is stopped operating, and this moment, liquid stopping clamp 5 was closed fully, and as Fig. 6, shown in Figure 7, tube for transfusion 100 is clamped.
Close pump door 13, pump door 13 will be controlled button 20 and depress, and control button 20 switch 2 is opened, and control module is controlled motor 31 forwards, slide to the direction away from block 15 thereby drive liquid stopping clamp 5, and liquid stopping clamp 5 is opened gradually.When slide bar 4 moved to slide bar button 41 triggering second position switch 72, control module was controlled motor 31 and is stopped operating, and liquid stopping clamp 5 is opened fully, the operation of can infusing.
In above-mentioned control model, be in releasing orientation when controlling button 20, liquid stopping clamp 5 is near block 15 and be in closure state; Be in down state when controlling button 20, liquid stopping clamp 5 is away from block 15 and be in open mode.But namely press and unclamp and control the equal trigger switch 2 of button 20, control module is controlled the action of motor forward or reverse once simultaneously.When replacing or installation tube for transfusion, need to press and pin always with hands and control button 20, control liquid stopping clamp 5 and make it stay open state.This operator scheme and traditional operator scheme relatively, identical point is opened liquid stopping clamp 5 for all needing with a hands always, and therefore a hands installation tube for transfusion 100 can only be arranged, and operates and all has inconvenience; What difference was that the present invention pins is to control button 20, liquid stopping clamp 5 is controlled folding by motor 31, therefore operation is very laborsaving, avoided because manpower is excessive, infusion pump being toppled over, relatively existing armstrong's patent structure is controlled the mode of liquid stopping clamp, and operation is very easy, significantly improved work efficiency.What during infusion pump work simultaneously, pump door 13 was pushed down is also to control button 20, so pump door 13 can not be subject to the active force of liquid stopping clamp 5.
For the deficiency in the operation of aforesaid operations pattern, the present invention also provides the second operator scheme freely to select for the user: press and unclamp and control button 20, and trigger switch 2, control module is controlled the motor forward or reverse once.Concrete mode is: control button 20 and be pressed and unclamp, when opening switch 2, control module is controlled motor 31 forwards, and liquid stopping clamp 5 is moved away from block 15, and motor 31 stops operating until second position switch 72 is triggered, and liquid stopping clamp 5 is opened fully.Need not will to control button 20 with hands when tube for transfusion 100 is installed always and press, both hands all can be installed tube for transfusion 100 operations, and front a kind of operator scheme is convenient.After installing tube for transfusion 100, again press and control button 20 and unclamp, and trigger switch 2 again, control module is controlled motor 31 counter-rotatings, make liquid stopping clamp 5 to moving near block 15, motor 31 stops operating until primary importance switch 71 is triggered, and liquid stopping clamp 5 is fully closed, complete the installation of tube for transfusion 100, close pump door 13 and get final product.
Above embodiment does not consist of the restriction to this technical scheme protection domain.Any at above-mentioned embodiment spirit and principle within do modification, be equal to and replace and improvement etc., within all should being included in the protection domain of this technical scheme.