CN2489625Y

CN2489625Y - Zipper lower stop structure with anti-pull effect

Info

Publication number: CN2489625Y
Application number: CN 01228897
Authority: CN
Inventors: 曹昌文
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-27
Filing date: 2001-07-27
Publication date: 2002-05-08
Anticipated expiration: 2011-07-27

Abstract

The utility model relates to a zipper lower stop structure with anti-pull effects. The utility model comprises a male stop and a female stop, wherein the upper part of the male stop is a low order part, the lower part is a high order part, the inner wall upper end of the low order part is provided with a downwards inclined chelicerae of which the top is provided with a groove, the lower end of the chelicerae is formed with a joint yoke, and the external wall of the low order part is an arc curved surface. The upper part of the female stop is a locking joint part, the lower part is an inserting base, the top end inner wall of a locking joint part is provided with an upwards inclined convex inserting angle of which the upper end is formed with an arc buckling slot, the inserting base is provided with an inserting slot like a path, and an inner side wall of the inserting base is provided with a sliding slot and can be mutually communicated with the inserting slot. With the assembly structure, the lower stop has the function of universal stretching prevention, and stretching resistance is larger than traditional lower stops.

Description

Stop structure under the slide fastener of tool tension effect

Technical field

The utility model relates to stop structure under a kind of slide fastener of tool tension effect, it is located at two row's sprocket lower ends of chain belt, as preventing that stop element that pull head is not deviate from from more can become the combination or the closure elements of chain belt lower end, it has the function of anti-side direction and vertical pulling force, the anti-avulsion, slip and the problem on deformation that prevent pullled down by improper external force and cause reach more strong durable result of use.

Background technology

The stop structure has several under traditional slide fastener, wherein there is a kind of stop down to have block configuration, No. 406538 " nylon open end zipper envelope makes device " patent case of Taiwan patent announcement, this time stop is divided into square 20 and latch 30 2 parts, wherein the passage 22 of square 20 can embed fixing for the low order portion 31 of latch 30, and snapping portion 23 setting fastenings of square upper end are gone in the high-order portion 32 of latch, its feature exists: the inner face of high-order portion is provided with vertical tenon rib 321, and corresponding with the tenon rib be the clip tenon trough 232 that two trips of snapping portion inner face 231 form, after vertical tenon rib 321 embeds clip tenon troughs 232, can reach fixedly anti-avulsion function.

Stop but has locating of blemish in an otherwise perfect thing under the only of this sort slide fastener on resistance to tension, as shown in Figure 1, fastening schematic diagram for stop under the traditional zipper, stop 9 can be used on nylon zipper or the delrin zippers with pulllers under this slide fastener, wherein, square 91, latch 92 are to establish what sprocket 93 lower ends, also moulding is fixed on chain belt 94 inner side edges simultaneously, inside and outside both sides, latch 92 lower ends are all hypotenuse 921,922, so the lower end can be inserted in the passage 911 easily, but the position that contacts with conduit wall has only the cone angle 923 of hypotenuse 922 upper ends; Secondly, the snapping portion 912 upper end inwalls on the square have two trips 913, but vertical tenon rib 925 of this pair trip 913 interlock latches 92 upper end inwalls; In addition, latch 92 tops have tooth head 931 importings that a chase 924 can supply sprocket 93.

As shown in Figure 2, be the stressed schematic diagram of stop under the traditional zipper, must bear the pulling force of 9kg/cm2 by general stop down, this is the international standard value, this pulling force can be divided into vertical tension, last lower pulling force and side direction pulling force, general following stop all can meet this tensile test, but just be difficult to bear the 15kg/cm2 standard value in high-level country (for example Japan), especially do not meet its reason of side direction tensile test at what: when chain belt 94 both sides are subjected to pulling force [as arrow] drawing, latch 92 stressed places in the following stop have only salient angle 923 and chase 924 2 points, wherein, though upper end chase 924 has tooth head 931 stops of sprocket, but sprocket 93 is established the extension that is subject to chain belt on the what cloth matter chain belt 94 and unusual fluctuation, and when the application of force was big slightly, tooth head 931 was with regard to easy disengaging chase 924 so that latch 91 upper end anti-avulsions and towards outer displacement.And then the salient angle 923 of lower end also can make and cause the passage 911 upper end slippages of salient angle 923 latch 91 stop, turn to and deviate from towards intrinsic displacement behind outer displacement in latch 91 upper ends.

Summary of the invention

Have that stop bears deficiency for side load under the mirror what traditional zipper, cause being subjected to larger side easily generation slippage when pulling force, walk, need further improve again so have.

The stop structure adopts following technical scheme under the tension slide fastener of the present utility model: this time stop comprises that a public stop and a female stop combine.

Aforementioned public stop top is low order portion, and the bottom is a high-order portion; Wherein, the inwall of low order portion upper end has the cheicers that has a down dip, and the cheicers top has a chase, and the cheicers lower end forms a fork pockets again.

Aforementioned female stop top is snapping portion, and the bottom is the embedding seat of box-shaped; Wherein, snapping portion top inwall has upward protruding limb, and the limb upper end forms the arc catching groove; And be provided with in the embedding seat as the caulking groove as the passage, embedding seat madial wall has sliding ditch and caulking groove connects mutually.

The utility model has the advantages that:

1, after public stop high-order portion inserted the caulking groove of female stop embedding seat, the upper end cheicers can embed in the catching groove; And the limb of female stop snapping end can embed in the fork pockets of public stop; The outer wall of high-order portion can contact with the caulking groove inwall generation face of female stop embedding seat again; This kind marriage relation can make down stop have the function of good resistance side direction pulling force.

2, the chase on public stop top can import for the tooth head of sprocket, and the high-order portion of public stop embeds again in the caulking groove of embedding seat, and this kind marriage relation can make down stop have the function of good resistance vertical tension.

3, after public stop high-order portion inserted female stop embedding seat, the cheicers of public stop upper end can withheld female stop catching groove; This kind can make down stop have lower pulling force function on the good resistance in conjunction with closing part.

Can obtain following result by enforcement of the present utility model:

1, have splendid external force resistance function, no matter be vertically, up and down or the side direction pulling force, following stop can both bear the above pulling force of 15kg/cm2, makes it reach the anticreep effect.

2, public stop can import in female stop embedding seat easily, and not influenced by external force and can avoid producing loosening be its great advantage.

Description of drawings

Fig. 1 is the joint schematic diagram of stop under the traditional zipper.

Fig. 2 is the schematic diagram during the stop lateral force under the traditional zipper.

Fig. 3 is the stop stereoscopic-state figure of involution not under the utility model

Fig. 4 is the utility model shelves next time stereoscopic-state figure of involution.

Fig. 5 A is the public stop D structure figure of stop under the utility model.

Fig. 5 B is the public stop floor map of stop under the utility model

Fig. 6 A is a mother shelves D structure figure of the utility model shelves next time.

Fig. 6 B is female stop floor map of stop under the utility model.

Fig. 7 A is the male and female stop three-dimensional combination figure of stop under the utility model.

Fig. 7 B is the male and female stop combination schematic diagram of stop under the utility model.

Fig. 8 A is the schematic perspective view that stop cooperates with sprocket under the utility model.

Fig. 8 B is the floor map that stop cooperates with sprocket under the utility model.

The schematic diagram of Fig. 9 during for following of the utility model shelves lateral force.

The specific embodiment

As shown in Figure 3, enforcement schematic diagram for stop under the utility model, disclosing down stop 1 among the figure is two closure elements of implementing what chain belt 20 lower ends and arranging sprockets 2 with what involution two, wherein one is public stop 11, another is female stop 12, can arrange the bottom of sprockets 2 two by involution by male and female two stops 11 and 12, and prevent that pull head 3 breaks away from chain belts 20, has as shown in Figure 4.

Shown in Fig. 5 A, Fig. 5 B, disclose the D structure and the floor map of public stop 11 among the figure.Public stop 11 tops are the 11A of low order portion, and the bottom is the 11B of high-order portion; Wherein, the inwall of the 11A of low order portion upper end has the cheicers 111 that has a down dip, and the cheicers top has a chase 112, and the cheicers lower end forms a fork pockets 114 again, and the inwall 115 of the 11A of low order portion is vertical planes in addition.

Shown in Fig. 6 A, Fig. 6 B, disclose the D structure and the floor map of female stop 12 among the figure.Female stop 12 tops are the 12A of snapping portion, and the bottom is the embedding seat 12B of box-shaped; Wherein, snapping portion 12A top inwall has upward protruding limb 121, and the limb upper end forms

arc catching groove

122, and 123 of the inwalls of limb lower end are vertical plane; And the side of establishing is as the caulking groove 124 as the passage in the embedding seat 12B, and embedding seat madial wall has sliding ditch 125 and can connect mutually with caulking groove 124.

Two of the utility model embodiment is to be provided with one to protrude washer 113 within the chase 112 on public stop cheicers 111 tops; Three of embodiment: be that this public affairs stop high-order portion inwall has an inclined-plane 118, its outer wall is a vertical plane 117; Four of embodiment; Sliding ditch 125 lower ends that are female stop embedding seat are provided with a disjunctor link stopper 126; Five of embodiment: the outer wall 116 that is public stop low order portion is arc-shaped curved surface, has good suitable property (plasticity).

Shown in Fig. 7 A, Fig. 7 B, disclose the D structure and the floor map of public stop 11 and female stop 12 tablings among the figure, this public affairs stop 11 is inwall inclined-plane 118 auxiliary the entering in the caulking groove 124 by the 11B of high-order portion, and then with the wall conflict of perpendicular outer wall 117 with caulking groove 124, and inner vertical walls 115 and connect bracelet with the inner vertical walls 123 of female stop snapping 12A of portion, and the chain belt 20 that public stop 11 is connected can be appeared by sliding ditch 125; At this moment, top cheicers 111 can embed in the what catching groove 122, and female stop limb 121 can insert in the slot 114, so promptly finishes the chimeric of male and female two stops 11,12.Wherein, it has good suitable property (plasticity) arc outer wall of the public stop low order 11A of portion 116, and high-order portion contact closely because of the caulking groove 124 of inside and outside wall with embedding seat 12B, so the high difficult generation unusual fluctuation of stability.Moreover sliding ditch 125 lower ends of the embedding seat of female stop 12 have shelves.Avoid producing fracture when piece 126, this link stopper 126 are enough to make the embedding seat to bear two side's external force (as Fig. 7 A arrow) cramping or damage [the sliding ditch of tradition is no link stopper down, cause embedding seat pressurized and rupture], so link stopper is one to have the reinforcing block of consolidation effect.

Shown in Fig. 8 A, Fig. 8 B, disclose down stereochemical structure and floor map that stop 1 cooperates with sprocket 2 among the figure, the chase 112 that discloses public stop 11 tops among the figure can embed for the tooth head 21 of sprocket 2, protrusion washer 113 in the chase can be for roller seating space 21 interlocks before the tooth head 21 again, thus interlock each other and prevent that vertical pulling force from destroying.

As shown in Figure 9, after the public stop 11 of stop under the slide fastener 1 is chimeric mutually with female stop 12, if impose the side direction pulling force, the force part, upper end of then descending stop 1 more reaches tight clamping function with cheicers 111 and catching groove 122 and limb 121 with the engomphosis relation of fork pockets 114 except the occluding relation with the chase 112 and first sprocket 2; And the force part, lower end is the matching relationship of public stop 11 lower end inside and outside walls 115,117 and caulking groove 124, makes the average force area strengthen, and is reduced stressed degree so that load alleviates.Because the upper end of last stop 1 is the anti-avulsion off normal not, and the lower end is firmly not lax, makes down stop can bear great external force drawing then, can not cause slippage person.

By above-mentioned enforcement of the present utility model, really can.Reaching splendid tension effect, owing to meet novelty and progress will be done, is that novel patent is applied in the whence in accordance with the law.

Claims

1, stop structure under a kind of slide fastener of tool tension effect is characterized in that: its public shelves, and top is low order portion, the bottom is a high-order portion; Low order portion inwall upper end has the cheicers that has a down dip, and the cheicers top has a chase, and the cheicers lower end forms a fork pockets again;

Its female stop, top are snapping portion, and the bottom is square embedding seat; Snapping portion top inwall has upward protruding limb, and the limb upper end forms catching groove; And be provided with in the embedding seat as the caulking groove as the passage, embedding seat madial wall has sliding ditch and connects mutually with caulking groove again.

2, stop structure under the slide fastener of a kind of tool tension effect according to claim 1 is characterized in that: be provided with one in the chase on the cheicers top of public stop and protrude washer, this washer can with the mutual interlock of roller seating space of sprocket tooth head.

3, stop structure under the slide fastener of a kind of tool tension effect according to claim 1, it is characterized in that: public stop high-order portion inwall has the inclined-plane in order in the caulking groove that imports the embedding seat, and outer wall to be vertical plane can produce face with the caulking groove inwall of female stop contact.

4, stop structure under the slide fastener of a kind of tool tension effect according to claim 1 is characterized in that: the sliding ditch lower end of the embedding seat of female stop is provided with a disjunctor link stopper.

5, stop structure under the slide fastener of a kind of tool tension effect according to claim 1 is characterized in that: the outer wall of public stop low order portion is an arc-shaped curved surface, the well suitable property of tool.