CN113633074B

CN113633074B - Combined zipper head

Info

Publication number: CN113633074B
Application number: CN202110957410.5A
Authority: CN
Inventors: 吴昆明; 张传贵; 李伟
Original assignee: Gaofan Zhejiang Information Technology Co Ltd
Current assignee: Gaofan Zhejiang Information Technology Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2023-07-04
Anticipated expiration: 2041-08-18
Also published as: CN113633074A

Abstract

The invention belongs to the technical field of manufacturing of zipper sliders, and particularly relates to a combined type zipper slider, which comprises a slider upper wing, a slider lower wing, a front wing, a rear wing, a spring piece, a hook and a pull piece, wherein one end of the hook is arranged below the front wing, the front wing plays a limiting role on the hook, and the other end of the hook is movably clamped with the rear wing through a first clamping pin; the bottom of the hook is provided with a notch for the pull tab to pass through, and a limiting component which has a limiting effect on the pull tab is arranged in the notch, so that the pull tab is prevented from moving upwards to cause the zipper to lose lock due to too heavy or shaking; according to the combined zipper puller, the limiting component for the position of the pulling piece is arranged at the notch of the hook, so that the influence of the material and the weight of the pulling piece on the stability of the zipper in the self-locking process is further reduced, the combined zipper puller can be suitable for different use scenes, and the combined zipper puller has the advantages of simple structure, flexible use, convenience in disassembly and assembly and convenience in replacement and maintenance.

Description

Combined zipper head

Technical Field

The invention belongs to the technical field of manufacturing of zipper sliders, and particularly relates to a combined type zipper slider.

Background

The zipper is easy to be separated after being pulled, and the protective performance of the article is affected. For this reason, a portion of the slide fastener adopts a self-locking slider provided with a hook. In the self-locking type zipper head, the hook part at the upper end of the hook is connected with the pull tab, the lock part at the lower end of the hook is inserted into the zipper teeth to realize locking, the pull tab is attached to the top surface of the base in a natural state, and the elastic sheet at the top of the hook applies downward acting force to the hook, so that the lock part of the hook is stably inserted into the zipper teeth to ensure that the zipper head is locked at the current position.

In order to catch up trend and individuality, the large-sized pull tab with extremely strong decorative feeling appears on the clothes in the market so as to meet the requirement of fashion collocation. Because the large-size pull piece is oversized and overweight, the upward acting force applied to the hook is large, the hook is easy to lift upwards, or the lifted hook is difficult to fall back to the locking position, so that the out-of-lock of the zipper head occurs, the zipper is not favorable for closing the zipper, such as during movement or walking, the pull piece freely shakes, when the pull piece swings upwards, the large-size pull piece is overweight, the upward acting force applied to the hook is large, and the downward acting force applied to the hook is easy to be larger than the elastic sheet at the top of the hook, so that the hook is lifted upwards, the locking part is separated from the zipper teeth, and the zipper head is out-of-lock. Or after the pull piece is pulled to the target position, the pull piece is loosened, the elastic piece at the top of the hook is rebounded, but the large pull piece is overweight, so that the upward acting force applied to the hook by the large pull piece is larger than the restoring force of the elastic piece, the hook is always in a lifted state and is difficult to fall back, the lock part is separated from the zipper teeth, and the out-of-lock of the zipper head is generated.

In summary, how to select a pull tab and avoid the lock loss caused by the oversized or overweight pull tab in the self-locking slider is a problem to be solved by those skilled in the art.

Disclosure of Invention

The invention aims to solve the problems and provide the combined zipper head which is simple in structure and reasonable in design.

The invention realizes the above purpose through the following technical scheme:

a combined zipper head comprises a zipper head upper wing, a zipper head lower wing, a front wing, a rear wing, a spring piece, a hook and a pull piece, wherein one end of the hook is arranged below the front wing, the front wing plays a limiting role on the hook, and the other end of the hook is movably clamped with the rear wing through a first clamping pin;

the bottom of the hook is provided with a notch for the pull tab to pass through, and a limiting component which has a limiting effect on the pull tab is arranged in the notch, so that the pull tab is prevented from moving upwards due to too heavy or shaking, and the zipper is prevented from losing lock.

The further improvement lies in, spacing subassembly includes the movable groove of seting up on the horse colludes, the activity of movable inslot through the second bayonet lock is equipped with the slide, is equipped with a plurality of through-holes on the slide, the second bayonet lock is located in the through-hole, the slide is close to the terminal surface of notch has arranged soft connecting portion through the expansion spring, and the surface of soft connecting portion is equipped with fire-retardant coating.

The improvement is that the upper wing of the pull head is provided with a through hole for the hook to pass through.

The further improvement is that a buckling groove for assembling the hook is formed in the middle of the two rear wings.

A further improvement is that the surface of the hook is coated with a wear-resistant coating.

The pull tab is further improved in that the pull tab is provided with a magnetic pin, the upper end face of the upper wing of the pull tab is provided with a limiting hole, and a metal coating capable of adsorbing the magnetic pin is coated in the limiting hole.

The further improvement is that the flame-retardant coating is made by spraying a fireproof flame retardant on the surface of the hook.

The wear-resistant coating is a nano ceramic coating or a tungsten carbide alloy coating.

The invention has the beneficial effects that:

1) According to the combined zipper puller, the limiting component for the position of the zipper pull is arranged at the notch of the hook, so that the influence of the material and the weight of the zipper pull on the stability in the self-locking process of the zipper is further reduced, the combined zipper puller can be suitable for different use scenes, and the whole zipper puller is simple in structure, flexible to use and convenient to disassemble;

2) According to the invention, through combining experience in the use process of the zipper, different coatings are arranged on the easily worn parts in the integral structure, so that the durability of the zipper head is better, and meanwhile, through the matched use of the first bayonet lock and the second bayonet lock, on one hand, each component is more convenient to replace, and on the other hand, the zipper head is more flexible to use in different scenes, so that the comprehensive requirements of users are better met.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the body structure of the slider of the present invention;

FIG. 3 is a schematic view of the structure of the hook of the present invention;

FIG. 4 is an enlarged schematic view of the joint of the spacing assembly of the present invention;

fig. 5 is a perspective schematic view of the self-locking slider of the present invention.

In the figure: 1a, lower wings of the pull head; 1b, lower wings of the pull head; 2. a hook; 3. a pull tab; 4. a magnetic pin; 5. a limiting hole; 6. a front wing; 7. a rear wing; 8. a first bayonet; 9. a buckling groove; 10. a through port; 11. a spring plate; 21. a wear-resistant coating; 22. a notch; 23. a limit component; 231. a movable groove; 232. a slide plate; 233. a second bayonet lock; 234. a telescopic spring; 235. a soft connection part; 236. and (3) a flame-retardant coating.

Detailed Description

The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.

Example 1

As shown in fig. 1-5, a combined zipper head comprises a pull head upper wing 1a, a pull head lower wing 1b, a front wing 6, a rear wing 7, a spring piece 11, a hook 2 and a pull piece 3, wherein one end of the hook 2 is arranged below the front wing 6, the front wing 6 plays a limiting role on the hook 2, the other end of the hook 2 is movably clamped with the rear wing 7 through a first clamping pin 8, the hook 2 is upwards or downwards along with the pull piece 3, self-locking in the use process is realized, and meanwhile, when the zipper self-locking is damaged, the hook 2 can be conveniently replaced;

the self-locking process of the zipper in the invention comprises the following steps: when a user pulls the zipper puller, the pull piece 3 is lifted firstly, when the upward acting force of the pull piece 3 to the hook 2 is larger than the downward acting force of the elastic sheet 11 to the hook 2, the hook 2 is lifted upwards until the lock part is separated from the zipper teeth, so that the unlocking of the zipper puller is realized, and the zipper puller can be pulled to a target position; after reaching the target position, the user releases the pull tab 3 and the spring plate 11 at the top of the hook 2 rebounds. When the restoring force of the elastic sheet 11 is larger than the upward acting force applied to the hook 2 by the pull tab 3, the hook 2 falls back down until the lock part is inserted into the fastener element, and locking of the zipper head is realized again.

The notch 22 that supplies pull tab 3 to pass has been seted up to the bottom of collude 2, is equipped with the spacing subassembly 23 that plays spacing effect to pull tab 3 in the notch 22, avoids pull tab 3 to make collude 2 to shift up because too heavy or rock and lead to the zip fastener to lose lock.

Specifically, spacing subassembly 23 includes the movable groove 231 of seting up on the horse colludes 2, be equipped with slide 233 through the activity of second bayonet lock 232 in the movable groove 231, be equipped with a plurality of through-holes on the slide 233, in the through-hole was located to the second bayonet lock 232, the terminal surface that slide 233 is close to notch 22 has arranged soft connecting portion 235 through telescopic spring 234, the effect of buffering metal pulling-on piece striking is played on the one hand in the setting of soft connecting portion 235, on the other hand can increase the life of this spacing subassembly 23, the surface of soft connecting portion 235 is equipped with fire-retardant coating 236, because the temperature is higher during outdoor use, the pulling-on piece is because long-time and the friction collision of soft connecting portion 235, fire-retardant coating 236 can effectively reduce the risk of spontaneous combustion.

It should be noted that, because the zipper pull tab materials and sizes are different under different usage occasions, when the pull tab is too big and too heavy, the upward acting force applied to the hook is larger, the hook is easy to lift upwards, or the lifted hook is difficult to fall back to the locking position, so that the unlocking of the zipper head occurs, the unlocking of the zipper is not beneficial, but the use of the limiting component 23 in the invention can play the effect of buffering the upward impact force in the motion process to prevent the unlocking of the zipper on one hand, and on the other hand, the position of the second bayonet lock can be adjusted, so that the slide plate is exposed more to limit the position of the pull tab, and the unlocking of the zipper caused by the severe shaking of the pull tab under a certain special occasion is prevented.

Specifically, the upper slider wing 1b is provided with a through hole 10 through which the hook 2 passes.

Specifically, the middle of two rear wings 7 is provided with the buckling groove 9 for assembling the hook 2, and the arrangement of the buckling groove 9 ensures the stability of the hook 2 in the lifting and falling process, and increases the stability of the combined zipper head.

Specifically, the surface of the hook 2 is coated with a wear-resistant coating 21, so that the surface of the metal material is prevented from being exposed after long-term use or frequent water washing, and further rust is generated on the automatic slider of the zipper, and the use is prevented from being influenced.

Specifically, be equipped with magnetic pin 4 on the pull tab 3, spacing hole 5 has been seted up to pull tab upper wing 1b up end, but scribbles the metal coating of absorption magnetic pin 4 in the spacing hole 5, can make pull tab 3 paste more on pull tab upper wing 1b on the one hand, prevent that pull tab 3 from shifting up and making the horse lift up, and make the pull tab lose lock, on the other hand can prevent that pull tab 3 from taking place to rock the noise production.

Specifically, the flame retardant coating 236 is made by spraying a fireproof flame retardant on the surface of the hook 2.

Specifically, the wear-resistant coating 21 is a nano ceramic coating or a tungsten carbide alloy coating.

The hook 2 of the combined zipper puller is applicable to the zipper puller structures in different scenes, when the zipper puller is made of plastic materials, the influence of dead weight of the zipper puller on the stability in the self-locking process of the zipper can be ignored, when the large zipper puller is needed to be used in a certain scene, and the opening and closing speed of the zipper is improved, a technician can limit the position of the zipper puller by adjusting the limiting assembly 23 due to the relatively large volume and the relatively large weight of the large zipper puller, so that the influence of the self material and the weight of the zipper puller on the stability in the self-locking process of the zipper is further reduced, and the combined zipper puller is more practical.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims

1. The utility model provides a combination formula zip fastener head, includes pull head upper wing (1 a), pull head lower wing (1 b), preceding wing (6), back wing (7), shell fragment (11), collude (2), pull tab (3), its characterized in that: one end of the hook (2) is arranged below the front wing (6), the front wing (6) plays a limiting role on the hook (2), and the other end of the hook (2) is movably clamped with the rear wing (7) through a first clamping pin (8);

the bottom of the hook (2) is provided with a notch (22) for the pull tab (3) to pass through, and a limiting component (23) which has a limiting effect on the pull tab (3) is arranged in the notch (22) to avoid the pull tab (3) from moving upwards to cause the lock loss of the zipper due to too heavy or shaking;

limiting component (23) are including movable groove (231) of seting up on the collude (2), are equipped with slide (233) through second bayonet lock (232) activity in movable groove (231), are equipped with a plurality of through-holes on slide (233), and second bayonet lock (232) are located in the through-hole, slide (233) are close to the terminal surface of notch (22) has arranged soft connecting portion (235) through telescopic spring (234), and the surface of soft connecting portion (235) is equipped with flame retardant coating (236).

2. A modular zipper pull according to claim 1, wherein: the upper wing (1 b) of the pull head is provided with a through hole (10) for the hook (2) to pass through.

3. A modular zipper pull according to claim 1, wherein: the middle of the two rear wings (7) is provided with a buckling groove (9) for assembling the hook (2).

4. A modular zipper pull according to claim 1, wherein: the surface of the hook (2) is coated with a wear-resistant coating (21).

5. The combined zipper head according to claim 1, wherein the pull tab (3) is provided with a magnetic pin (4), the upper end face of the upper wing (1 b) of the zipper head is provided with a limiting hole (5), and a metal coating capable of adsorbing the magnetic pin (4) is coated in the limiting hole (5).

6. A modular slider as claimed in claim 1, wherein the flame retardant coating (236) is made of a flame retardant sprayed onto the surface of the hook (2).

7. A modular zipper pull according to claim 4, wherein: the wear-resistant coating (21) is a nano ceramic coating or a tungsten carbide alloy coating.