CN106307831B

CN106307831B - Puller for zipper

Info

Publication number: CN106307831B
Application number: CN201610701246.0A
Authority: CN
Inventors: 李鹏辉; 施键荣; 朱松峰; 张田
Original assignee: Fujian SBS Zipper Science and Technology Co Ltd
Current assignee: Fujian Jinjiang xunxing zipper Technology Co. Ltd.
Priority date: 2016-08-22
Filing date: 2016-08-22
Publication date: 2021-06-29
Anticipated expiration: 2036-08-22
Also published as: CN106307831A

Abstract

The invention discloses a pull head for a zipper, which comprises a main body, a stop pawl body and a cover body; the upper wing plate of the main body is provided with a front mounting part, a rear mounting part and a pull tab carrying part; the front mounting part is provided with an accommodating part, and the rear mounting part is provided with a claw hole; the stopping claw body is provided with a body part, a fixing part and a claw part, wherein the fixing part and the claw part are connected with two ends of the body part; the cover body covers the front mounting part and the rear mounting part, and a fixing part for fixing the fixing part of the stopping claw body is arranged in the cover body. The pull head is novel and simple in structure, during assembly, the claw part of the claw body to be stopped only needs to stretch into the claw hole, the fixing part is correspondingly arranged in the accommodating part, the cover body is installed again, the fixing part of the cover body corresponds to the fixing part of the claw body to be fixedly stopped, assembly operation is completed, the assembly process is very simple and convenient, requirements on production equipment and accuracy are low, the rejection rate is low, and the production cost is greatly reduced.

Description

Puller for zipper

Technical Field

The invention relates to the technical field of zippers, in particular to a zipper puller.

Background

Slide fasteners are widely used in the industrial fields of clothing, bags and the like because of their ease of opening and closing operations. The zipper head is used as a connecting part for opening and closing operation of the zipper, and the function of the zipper head is increasingly paid attention to by people. Along with the diversity development of people to the occasion of using the zipper, also put forward the requirement of diversity to the function of zip fastener head. For example, in order to prevent property loss due to automatic opening and closing of a slide fastener, a slider having an automatic locking function has been developed.

The invention provides a zipper head of a zipper with an automatic stopping device, which comprises a zipper body, a pull tab, a brake unit, a reed, a cover, a mounting support, a first holding part and a second holding part, wherein the first holding part is arranged on the top surface of the mounting support, the second holding part is arranged on the inner surface of the cover, and the relative position of an elastic sheet is fixed in a mode that the first holding part limits the movement of the elastic sheet in the length direction and the second holding part limits the movement of the elastic sheet in the width direction. The zipper head has the following defects: namely, the first holding part needs to be aligned with the notches arranged at the two ends of the inserted elastic sheet and extend to the inner side wall of the cover, the inner side wall of the cover needs to be provided with a recess corresponding to the top end of the first holding part, and the positions of the recess, the first holding part, the notch of the elastic sheet and the like need to be very accurate correspondingly, so that the production requirement of the zipper head is harsh, and the rejection rate is high; the same applies to the positional correspondence between the second holding portion and the spring piece notch and the positional correspondence between the first holding portion and the second holding portion. According to the above, the zipper head has high production precision requirement, complex assembly, high production equipment requirement, relatively high rejection rate and high production cost.

Accordingly, in view of the technical problems of inconvenient assembly and high production cost of the zipper head in the prior art, the present inventors have made intensive studies on the above problems and have provided a zipper head, which is produced by the present invention.

Disclosure of Invention

The invention aims to provide a pull head for a zipper, which has the advantages of reducing pull head component parts, reducing assembly procedures, facilitating pull head assembly, reducing production cost and the like.

In order to achieve the above purpose, the solution of the invention is:

a slider for a slide fastener includes a main body, a stopping pawl body, and a cover body; the upper wing plate of the main body is provided with a front mounting part and a rear mounting part, and a pull tab carrying part for carrying a pull tab is formed between the front mounting part and the rear mounting part; the front mounting part is provided with an accommodating part, and the rear mounting part is provided with a claw hole; the stopping claw body is provided with a body part, a fixing part and a claw part, wherein the fixing part and the claw part are connected with two ends of the body part; the cover body covers the front mounting part and the rear mounting part, and a fixing part for fixing the fixing part of the stopping claw body is arranged in the cover body.

The accommodating part is provided with a sinking groove and a flat groove which are communicated with each other from front to back, and the bottom of the sinking groove is lower than that of the flat groove; the fixed part is provided with a flat part connected with the body part and a hook part connected with the flat part, the flat part is matched and placed in the flat groove, the hook part correspondingly extends into the sinking groove, and the fixed part of the cover body acts on the flat part.

The rear side of the flat groove is open, and the flat part is connected with the body part in a straight line shape.

The cover body is provided with a rear fixing part acting on the rear mounting part near the rear end.

The rear side of the flat groove is closed, and the flat part and the body part are in arc transition connection with the flat part at a low position and the body part at a high position.

The accommodating part is provided with a flat groove and an arc-shaped groove which are communicated from front to back, and the front end groove edge of the arc-shaped groove is connected with the rear end groove edge of the flat groove; the fixed part is provided with an arc-shaped concave part connected with the body part and a flat part connected with the arc-shaped concave part, the arc-shaped concave part is matched and arranged in the arc-shaped groove, the flat part is matched and arranged in the flat groove, and the fixed part of the cover body acts on the flat part.

The body part and the flat part are arranged on the same straight line in a flush manner.

The rear side wall of the front mounting part and the front side wall of the rear mounting part are formed into inclined guide surfaces in a V shape.

After the scheme is adopted, compared with the prior art, the zipper puller has the beneficial effects that: the puller component mainly comprises a main body, a stopping claw body and a cover body, the puller component is novel and simple in structure, during assembly, only the claw part of the stopping claw body needs to stretch into the claw hole, the fixing part is correspondingly arranged in the accommodating part, the cover body is installed again, the fixing part of the cover body corresponds to the fixing part of the fixed stopping claw body, assembly operation is completed, the assembly process is very simple and convenient, requirements on production equipment and accuracy are low, the rejection rate is low, and the production cost is greatly reduced. Furthermore, the structure and the assembly of the zipper pull head are simple, the zipper pull head has excellent pull head self-locking performance, the assembly design of the accommodating part, the fixed part and the fixed part ensures that one end of the stopping claw body is positioned in a pivot mode and is not easy to deform, and the stopping claw body is ensured to exert durable elastic force.

Drawings

FIG. 1-1 is an exploded view of a slider for a slide fastener of the present invention according to a first embodiment;

FIGS. 1-2 are perspective views of the body of FIG. 1;

FIGS. 1-3 are cross-sectional views of the body of FIG. 1;

FIGS. 1-4 are perspective views of the stop pawl body of FIG. 1;

FIGS. 1-5 are perspective views of the cover of FIG. 1;

FIGS. 1 to 6 are sectional views of a slider for slide fastener of the present invention according to a first embodiment;

FIG. 2-1 is an exploded view of a second embodiment of a slider for a slide fastener of the present invention;

FIG. 2-2 is a perspective view of the body of FIG. 1;

2-3 are cross-sectional views of the body of FIG. 1;

FIGS. 2-4 are perspective views of the stop pawl body of FIG. 1;

FIGS. 2-5 are perspective views of the cover of FIG. 1;

FIGS. 2 to 6 are sectional views of a slider for slide fastener of the present invention in a second embodiment;

FIG. 3-1 is an exploded view of a third embodiment of a slider for a slide fastener of the present invention;

FIG. 3-2 is a perspective view of the body of FIG. 1;

3-3 are cross-sectional views of the body of FIG. 1;

FIGS. 3-4 are perspective views of the stop pawl body of FIG. 1;

FIGS. 3-5 are perspective views of the cover of FIG. 1;

FIGS. 3 to 6 are sectional views of a slider for slide fastener according to a third embodiment of the present invention.

Description of the reference symbols

Main body 1:

an upper wing plate 11, a lower wing plate 12, a connecting column 13, a guide groove 14,

a front mounting part 15, a rear mounting part 16, a pull tab mounting part 17, an accommodating part 18, a claw hole 19,

a sinking groove 181, a flat groove 182, a flat groove 183 and an arc-shaped groove 184;

stopping the claw body 2:

body 21, fixing portion 22, claw 23;

hook 221, flat 222, flat 223, arc-shaped recess 224;

a cover body 3:

opening 31, fastening portion 32, rear fastening portion 33/34;

and pulling the climbing tab 4.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

A slider for a slide fastener is mainly provided with a main body 1, a stopping pawl 2, a cover 3, and a pull tab 4, as shown in FIGS. 1-1 to 3-6. Three specific examples of the present invention are given and described in detail below.

First embodiment

Referring to fig. 1-1 to 1-3, the main body 1 has an upper wing plate 11 and a lower wing plate 12, and the upper wing plate 11 and the lower wing plate 12 are joined by a connecting column 13. In the body 1, a Y-shaped element guide passage is arranged which extends from a shoulder opening on the side of the coupling post 13 between the upper wing plate 11 and the lower wing plate 12 to a rear opening on the opposite side of the coupling post 13, and a guide groove 14 is formed.

The main body 1 has one side where the connecting column 13 is located as a front end and the other opposite side as a rear end. The upper wing plate 11 is provided with a front mounting portion 15 and a rear mounting portion 16 at the front and rear. The front mounting portion 15 and the rear mounting portion 16 are provided at an interval, and a pull tab mounting portion 17 for mounting the pull tab 4 is formed therebetween. The front mounting portion 15 is provided with an accommodating portion 18, and the rear mounting portion 16 is provided with a claw hole 19. In order to facilitate appropriate position limitation and flexible operation of the tab 4 in the tab placement portion 17, the front and rear side walls of the tab placement portion 17 (i.e., the rear side wall of the front mounting portion 15 and the front side wall of the rear mounting portion 16) form a V-shaped inclined guide surface structure.

Referring to fig. 1 to 4, the stopping pawl 2 includes a body 21, a fixed portion 22, and a pawl 23, and the fixed portion 22 and the pawl 23 are integrally connected to front and rear ends of the body 21, respectively. Referring to fig. 1 to 5, the lid body 3 has a front wall, a rear wall, two side walls and an upper wall, and the two side walls are provided at respective centers thereof with openings 31 through which the pivots of the pull tabs 4 are inserted. The fixing portion 32 is provided on the upper wall of the inside of the lid body 3 to fix the function of the stopping claw body 2.

When assembled, as shown in fig. 1 to 6, the body 21 of the stopping pawl body 2 rides on the pull tab placing portion 17, the corresponding fixing portion 22 is fittingly accommodated in the accommodating portion 18, and the pawl portion 23 projects from the pawl hole 19 into the main body 1 to the guide groove 14, serving as a locking action for the fastener element. The cover 3 is fixed to the front mounting portion 15 and the rear mounting portion 16 in a covering manner, and the fixing portion 32 of the cover 3 acts on the fixing portion 22 of the stopping claw body 2 to perform an appropriate fixing function. The assembly operation is very simple and convenient, and the structure is also very firm and durable. When the slider is unlocked, the pull tab 4 is simply held and rotated upward to lift up, the pivot of the pull tab 4 rotates to push up the body 21 of the pawl 2, and the pawl 23 is driven to lift up properly to release the locking action on the fastener element. On the contrary, when the slider is locked, the pull tab 4 is lifted downwards, the pivot of the pull tab 4 rotates to return, the body 21 of the claw body 2 stops automatically and elastically returning, and the claw part 23 is driven to sink, so that the zipper teeth are locked.

The zipper puller has a self-locking function, and the key points of the structure and the assembly of the components which play the self-locking function are that the quality of the self-locking function is ensured. The invention adopts the accommodating groove 18 of the body 1, the fixing part 22 of the stopping claw body 2 and the fixing part 32 of the cover body 3, which are flexibly matched, the top part 22 realizes stable positioning by the matching of the accommodating groove 18 and the direct propping of the fixing part 32, and simultaneously creates conditions for the body part 21 of the stopping claw body 2 to have elastic adjustable function. The matching structure of the three parts is further optimized and designed.

Preferably, as shown in fig. 1 to 3, 1 to 4, and 1 to 6, the accommodating portion 18 has a sinking groove 181 and a flat groove 182 which are disposed in front and rear communication, and a groove bottom of the sinking groove 181 is disposed lower than a groove bottom of the flat groove 182. The fixing portion 22 includes a flat portion 222 connected to the body portion 21 and a hook portion 221 connected to the flat portion 222. The flat portion 222 is fittingly placed in the flat groove 182, the hook portion 221 correspondingly extends into the sinking groove 181, and the fixing portion 32 of the lid body 3 acts on the flat portion 222.

The structural design of the accommodating groove 18 and the fixing portion 22, the hook portion 221 and the sinking groove 181 are in sinking type embedding fit in the front, the flat portion 222 and the flat groove 182 are in back plane type fit transition, the fixing of the stopping claw body 2 is facilitated, meanwhile, the stopping claw body 2 continuously exerts effective elastic force, and the problem of deformation or elastic force failure after a period of time is avoided. Preferably, in the first embodiment, the rear side of the flat groove 182 is open, and the flat portion 222 of the stopping claw body 2 is integrally connected to the body portion 21 in a straight shape.

Further, in order to facilitate the front-rear stable fixing action, a rear fixing portion 33 acting on the rear mounting portion 16 is further provided near the rear end of the cover body 3.

Second embodiment

Referring to fig. 2-1 to 2-6, the second embodiment is different from the first embodiment in that the rear side of the flat groove 182 is closed, and the stopping pawl body 2 is in arc transition connection between the flat portion 222 and the body portion 21 in a state that the flat portion 222 is at a low position and the body portion 21 is at a high position, as shown in fig. 2-5. By means of the design, the connecting structure with arc transition is used for cutting off the mutual adverse effects of the fixed flat part 222 and the body part 21 adjusted elastically, the fixing effect of the flat part 222 is firmer, meanwhile, the elastic action of the body part 21 is more flexible, and the elastic force performance is more excellent.

In the second embodiment, due to the lower design of the accommodating portion 18 (the flat portion 222), the fixing portion 32 of the cover 3 is extended and extended into the accommodating portion 18, so that the cover 3 does not need to be provided with the rear fixing portion 33.

Third embodiment

Referring to fig. 3-1 to 3-6, the third embodiment is different from the first embodiment in the structural design of the accommodating groove 18 and the fixing portion 22. The accommodating portion 18 has a flat groove 183 and an arc-shaped groove 184 arranged in a front-rear communication manner, and a front end groove edge of the arc-shaped groove 184 receives a rear end groove edge of the flat groove 183. The fixing portion 22 has an arc-shaped recess 224 connecting the body portion 21 and a flat portion 223 connecting the arc-shaped recess 224. The arc-shaped concave portion 224 is fittingly placed in the arc-shaped groove 184, the flat portion 223 is fittingly fitted in the flat groove 183, and the fixing portion 32 of the lid body 3 acts on the flat portion 223.

The flat portion 223 of the stopping claw body 2 is matched with the fixing portion 32 to be fixed, the body portion 21 of the stopping claw body 2 is used for elastic adjustment, front and back arc type isolation between the body portion 21 and the flat portion 223 is achieved by the arc-shaped concave portion 224 in the middle, the front and back arc type isolation and the isolation do not affect each other, the fixing effect of the flat portion 223 does not affect the elastic adjustment performance of the body portion 21, the fixing effect of the flat portion 223 is not affected by the elastic adjustment effect of the body portion 21, so that the height stability of fixing the stopping claw body 2 is achieved, and meanwhile the height flexibility of elastic adjustment of the stopping claw body 2 is guaranteed. In addition, it should be noted that, in the embodiment of the present invention, an arc-type isolation design in the front-back direction is adopted, which is substantially different from a folded-up type up-down positioning structure design, and the up-down positioning structure and the folded-up portion have no isolation function or the isolation function is negligible, so that the flexibility of elastic adjustment is reduced due to the folded-up structure.

The arc-shaped concave portion 224 has a structure in which the lowest level of the concave portion is lower than the body portion 21 and the flat portion 223. Preferably, the body 21 and the flat portion 223 are flush with each other on the same straight line, and the arc-shaped recess 224 has a symmetrical recess structure. Such a design provides better isolation of the arc-shaped recess 224.

Similarly, in the third embodiment, in order to facilitate the front-rear stable fixing function, the rear fixing portion 34 acting on the rear mounting portion 16 is further provided near the rear end of the cover 3.

In summary, the slider for the zipper of the invention, through the innovative design of the structure, only three parts of the main body 1, the stopping claw body 2 and the cover body 3 are required to be skillfully assembled and matched, the structure is simple, the assembly is convenient, and the excellent self-locking function is realized. The design of the stopping pawl 2 is designed to have three preferred embodiments, wherein the design is simple, the relationship between the body 21 and the fixing portion 22 is reasonably configured, the body 21 extends to a wider extent than the fixing portion 22, the fixing portion 22 is designed to be compact and small, and the fixing portion is fixed by reasonably assembling the fixing portion 32 and the accommodating portion 18 in the vertical direction without adding other components for matching. Meanwhile, the characteristics of maximum reduction of component parts, maximum simplification of structural design of each part, excellent self-locking function, good elastic adjustment endurance and the like are achieved.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A slider for a slide fastener, characterized in that: comprises a main body, a stop claw body and a cover body; the upper wing plate of the main body is provided with a front mounting part and a rear mounting part, and a pull tab carrying part for carrying a pull tab is formed between the front mounting part and the rear mounting part; the front mounting part is provided with an accommodating part, and the rear mounting part is provided with a claw hole; the stopping claw body is provided with a body part, a fixing part and a claw part, wherein the fixing part and the claw part are connected with two ends of the body part; the cover body is covered on the front mounting part and the rear mounting part, and a fixing part for fixing the fixing part of the stopping claw body is arranged in the cover body; the accommodating part is provided with a flat groove and an arc-shaped groove which are communicated from front to back, and the front end groove edge of the arc-shaped groove is connected with the rear end groove edge of the flat groove; the fixed part is provided with an arc-shaped concave part connected with the body part and a flat part connected with the arc-shaped concave part, the arc-shaped concave part is matched and arranged in the arc-shaped groove, the flat part is matched and arranged in the flat groove, and the fixed part of the cover body acts on the flat part.

2. A slider for a slide fastener as defined in claim 1, wherein: the body part and the flat part are arranged on the same straight line in a flush manner.

3. A slider for a slide fastener as defined in claim 1, wherein: the cover body is provided with a rear fixing part acting on the rear mounting part near the rear end.

4. A slider for a slide fastener as defined in claim 1, wherein: the rear side wall of the front mounting part and the front side wall of the rear mounting part are formed into inclined guide surfaces in a V shape.