CN214016303U

CN214016303U - Braided bag double-end auto-lock theftproof zip fastener

Info

Publication number: CN214016303U
Application number: CN202120067788.3U
Authority: CN
Inventors: 王晨
Original assignee: Yancheng Yide Plastic Packaging Co ltd
Current assignee: Yancheng Yide Plastic Packaging Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-08-24
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a braided bag double-end auto-lock theftproof zip fastener, including strap, chain head, housing, lock claw, pressure spring, pull tongue. The zipper teeth are provided with two layers which are respectively positioned on the edges of the upper side surface and the lower side surface of the cloth belt. The upper surface of the chain head is provided with a base which is a rectangular block; the chain head upper surface still is provided with two direction V type pieces, and the symmetry sets up. The housing is fixedly connected with the rectangular block, a cavity is arranged in the housing, and a notch is formed in the middle of the housing. The lock claw is crescent, the tail end of the lock claw is embedded between the guide V-shaped block in the middle of the chain head and the housing, and the lock claw can penetrate through the jack on the chain head to be inserted into a gap of the chain tooth. Two ends of the pressure spring are embedded into the inner side of the upper part of the housing, and the pressure spring is attached to the locking claw. The front part of the pull tongue is provided with a gap, the gap is sleeved at the gap of the housing, the pull tongue is pulled, the pull tongue moves upwards under the action of the guide V-shaped block, and therefore the lock claw is driven to overcome the pressure of the pressure spring to move upwards, and the lock claw is separated from the zipper teeth. The utility model discloses have the theftproof function, avoid the chain head to be slided and throw off by exogenic action, life is longer.

Description

Braided bag double-end auto-lock theftproof zip fastener

Technical Field

The utility model relates to a zip fastener technical field specifically is a braided bag double-end auto-lock theftproof zip fastener.

Background

A slide fastener is a coupling member for coupling and separating articles by means of a continuous arrangement of fastener elements, and is used in a wide range of fields such as clothing, bags, tents, etc. as a daily necessity. The zipper is composed of two belts each having a fastener composed of a row of metal or plastic teeth for connecting the edge of the opening, and a slider for pulling the two rows of teeth into an interlocking position to close the opening. With the development of human social economy and science and technology, the zipper is developed from an initial metal material to a non-metal material, from a single variety and single function to a multi-variety and multi-specification comprehensive function, and passes through a long evolution process from a simple structure to the modern exquisite and beautiful appearance and colorful appearance. The performance, structure and material of the small zipper are changed day by day, the small zipper has wide application, and the small zipper extends into various fields of aerospace, aviation, military, medical treatment, civil use and the like, plays an increasingly large role in the life of people, and shows the importance and vitality of the small zipper more and more.

The parcel, the postbag that adopt the zip fastener preparation, the wear-resisting firm braided bag of cooperation can used repeatedly, reduces the extravagant phenomenon of trades such as express delivery, nevertheless in freight transportation or distribution process, because the zip fastener is pulled open easily, stolen phenomenon appears easily, and the zip fastener receives thrust or pulling force easily after sealing simultaneously, tears when the non-use draws zipper head apart, causes the inefficacy of sealed effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art, the utility model provides a braided bag double-end auto-lock theftproof zip fastener through the structure of novelty, solves current mailbag zip fastener stolen easily to and pull open when the non-use draws zipper head easily, cause the inefficacy of sealed effect.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a double-head self-locking anti-theft zipper for woven bags comprises

The zipper is characterized in that the cloth belt is woven by nylon, zipper teeth are sewn on the cloth belt, the two layers of zipper teeth are respectively positioned on the upper side edge and the lower side edge of the cloth belt,

the chain head is triangular and divided into an upper layer and a lower layer, a retaining ring is arranged above the head of the chain head, the retaining ring is positioned on the left side or the right side of the center of the chain head, one side close to the center is thickened, a through hole is formed in the center of the retaining ring, when the two chain heads are close to each other, the retaining rings are symmetrical, and the chain heads can be locked and loosened through a lock penetrating through the retaining rings; the upper surface of the chain head is provided with a base which is a rectangular block; the upper surface of the chain head is also provided with two guide V-shaped blocks which are symmetrically arranged,

a housing fixedly connected with the rectangular block, a chamber is arranged in the housing, a gap is arranged in the middle of the housing,

the lock claw is crescent, the tail end of the lock claw is embedded between the guide V-shaped block in the middle of the chain head and the housing, the head part of the lock claw extends downwards and is provided with a sharp corner, and the lock claw can penetrate through the jack on the chain head to be inserted into a gap of the chain tooth to limit the movement of the chain head;

two ends of the pressure spring are embedded into the inner side of the upper part of the housing, the pressure spring is attached to the lock claw, the sharp corner of the lock claw is inserted into the gap of the zipper teeth by the elasticity of the pressure spring,

the pull tongue is pulled, the pull tongue is moved upwards under the action of the guide V-shaped block, so that the lock claw is driven to move upwards under the pressure of the pressure spring, and the lock claw is separated from the zipper teeth.

Furthermore, the chain head is made of metal and plated on the surface.

Further, the retaining ring, the base and the guide V-shaped block are integrally processed.

Furthermore, the number of the bases is more than two.

Furthermore, the cover shell, the base and the guide V-shaped block are welded into a whole.

Furthermore, the pressure spring is made of brass material, and the width of the pressure spring is wider than that of the locking claw.

The utility model provides a braided bag double-end auto-lock theftproof zip fastener. Compared with the prior art, the method has the following beneficial effects:

1. the double-head self-locking anti-theft zipper for the woven bag is characterized in that the zipper head is provided with the laterally deviated buckles, the buckles can be matched in a pair in pairs, and after the zipper is locked, the buckles are locked through the lock, so that the anti-theft zipper has an anti-theft function, and the goods are prevented from being lost in the transportation and distribution processes;

2. the chain head is provided with the locking claw, when the pull tongue is not pulled, the locking claw is inserted into the chain tooth under the action of the pressure spring, the chain head is prevented from being separated by sliding under the action of external force, the locking function is lost, when the pull tongue is pulled, the locking claw is pushed by the pull tongue to move upwards, the pressure is greater than the pressure of the pressure spring, the locking claw moves upwards to separate from the chain tooth, the zipper can be normally pulled open, and the structure is reasonable and stable;

3. the utility model discloses be provided with double chain tooth, with it complex chain head adopt metal plating, the durability is higher, life is longer.

Drawings

FIG. 1 is a schematic top view of the double-ended self-locking anti-theft zipper for woven bags according to the present invention;

FIG. 2 is a schematic perspective view of the double-ended self-locking anti-theft zipper for woven bags of the present invention;

FIG. 3 is a schematic three-dimensional view of a single zipper head and a cloth tape of the double-head self-locking anti-theft zipper for woven bags according to the present invention;

FIG. 4 is an enlarged schematic top view of a single zipper head of the double-head self-locking anti-theft zipper for woven bags according to the present invention;

FIG. 5 is a schematic side view of a single zipper head of the double-head self-locking anti-theft zipper for woven bags according to the present invention;

FIG. 6 is an enlarged perspective view showing the separation of the self-locking pins of the single slider of the double-head self-locking anti-theft zipper for woven bags according to the present invention;

fig. 7 is a schematic perspective view of the separation of the self-locking pins of the single zipper head of the double-head self-locking anti-theft zipper for woven bags of the present invention.

In the figure: 1. a cloth belt; 2. pulling the tongue; 3. a chain head; 4. a housing; 5. a retaining ring; 6. a zipper tooth; 7. a locking claw; 8. guiding the V-shaped block; 9. a base; 10. and (5) pressing a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a dual-head self-locking anti-theft zipper for woven bags comprises

The cloth belt 1 is woven by nylon, the cloth belt 1 is sewed with chain teeth 6, the chain teeth 6 are provided with two layers which are respectively positioned on the edges of the upper and lower side surfaces of the cloth belt 1,

the chain head 3 is triangular and divided into an upper layer and a lower layer, a snap ring 5 is arranged above the head of the chain head 3, the snap ring 5 is positioned on the left side or the right side of the center of the chain head 3, one side close to the center is thickened, the center of the snap ring 5 is provided with a through hole, when the two chain heads 3 are close to each other, the snap rings 5 are symmetrical, and the chain head 3 can be locked and loosened through a lock penetrating through the snap rings 5; the upper surface of the chain head 3 is provided with a base 9, and the base 9 is a rectangular block; the upper surface of the chain head 3 is also provided with two guide V-shaped blocks 8 which are symmetrically arranged,

a housing 4 fixedly connected with the rectangular block, a chamber is arranged in the housing 4, a gap is arranged in the middle of the housing,

referring to fig. 5, the locking claw 7 is crescent, the end of the locking claw is embedded between the guide V-shaped block 8 at the middle of the chain head 3 and the housing 4, the head of the locking claw extends downward, and the locking claw has a sharp corner, and can pass through the insertion hole on the chain head to be inserted into the gap of the chain tooth 6 to limit the movement of the chain head 3;

referring to fig. 6 and 7, two ends of a pressure spring 10 are embedded into the inner side of the upper part of the housing 4, the pressure spring 10 is attached to the locking pawl 7, the sharp corner of the locking pawl 7 is inserted into the gap of the zipper teeth 6 by the elasticity of the pressure spring 10,

the front part of the pull tongue 2 is provided with a gap, the gap is sleeved at the gap of the housing 4, the pull tongue 2 is pulled, the pull tongue 2 moves upwards under the action of the guide V-shaped block 8, so that the locking claw 7 is driven to overcome the pressure of the pressure spring 10 to move upwards, and the locking claw 7 is disengaged from the zipper teeth 6.

In practical application, the chain head 3 is made of metal and plated on the surface.

In practical application, the retaining ring 5, the base 9 and the guide V-shaped block 8 are integrally processed.

In practical application, there are more than two bases 9.

In practical application, the cover 4, the base 9 and the guide V-shaped block 8 are welded into a whole.

In practical application, the pressure spring 10 is made of brass and is wider than the locking claw 7.

The utility model discloses a working process and principle:

the utility model discloses two chain heads 3, pull tongue 2 are a set of, sew up behind package class article, and two chain heads 3 slide under the pull tongue 2 effect, and after strap 1 is closed, buckle 5 aligns, can lock the zip fastener through the lock, the emergence of preventing stealing. When the lock is not used, the chain head 3 is moved to any position, the lock claw 7 can pass through the jack on the chain head under the action of the elastic force of the pressure spring 10 and is inserted in the gap between the chain teeth 6 to limit the movement of the chain head 3, and the chain head 3 can be positioned at any position of the cloth belt 1 and cannot slide under the action of external force except the pull tongue 2; when the pull tongue 2 is pulled, because the hole of the pull tongue 2 is positioned between the lock claw and the upper surface of the chain head 3, and the chain head 3 is provided with the guide V-shaped block 8, the movement of the pull tongue 2 can cause the lock claw 7 to move upwards, the pulling force exceeds the elastic force of the pressure spring 10, the lock claw 7 moves upwards, and the lock head can freely move on the chain tooth 6.

The compression spring 10 is arranged in the housing, after the pull tab 2 is loosened, the locking claw 7 moves downwards by the elasticity of the compression spring 10, and the locking claw 7 is continuously inserted into a gap of the zipper teeth 6.

The utility model discloses an installation method is, installs pressure spring 10 in housing 4 earlier, and the lock claw 7 end is attached to on direction V type piece 8, overlaps lock claw 7 with the scarce hole of pull tongue 2, fixes housing 4 on base 9 again, and pull tongue 2 is located between lock claw 7 and the 3 upper surfaces of chain head.

To sum up, the utility model discloses have the theftproof function, avoid losing of transportation, distribution in-process goods, avoid the chain head to be slided by exogenic action and throw off, lose the locking function, be provided with double chain tooth, life is longer.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a braided bag double-end auto-lock theftproof zip fastener which characterized in that: comprises that

The zipper is characterized in that the cloth belt (1) is woven by nylon, the zipper teeth (6) are sewed on the cloth belt (1), the two layers of the zipper teeth (6) are respectively positioned on the edges of the upper side surface and the lower side surface of the cloth belt (1),

the chain head (3) is triangular and divided into an upper layer and a lower layer, a snap ring (5) is arranged above the head of the chain head (3), the snap ring (5) is positioned on the left side or the right side of the center of the chain head (3), one side close to the center is thickened, a through hole is formed in the center of the snap ring (5), when the two chain heads (3) are close to each other, the snap ring (5) is symmetrical, and the chain head (3) can be locked and loosened through a lock penetrating through the snap ring (5); a base (9) is arranged on the upper surface of the chain head (3), and the base (9) is a rectangular block; the upper surface of the chain head (3) is also provided with two guide V-shaped blocks (8) which are symmetrically arranged,

a housing (4) fixedly connected with the rectangular block, a chamber is arranged in the housing (4), a gap is arranged in the middle of the housing,

the locking claw (7) is crescent, the tail end of the locking claw is embedded between the guide V-shaped block (8) in the middle of the chain head (3) and the housing (4), the head part of the locking claw extends downwards and is provided with a sharp corner, and the locking claw can penetrate through an insertion hole in the chain head and be inserted into a gap of the chain tooth (6) to limit the movement of the chain head (3);

two ends of a pressure spring (10) are embedded into the inner side of the upper part of the housing (4), the pressure spring (10) is attached to the lock claw (7), the sharp corner of the lock claw (7) is inserted into the gap of the zipper teeth (6) by the elasticity of the pressure spring (10),

the pull tab (2) is provided with a notch at the front part of the pull tab (2), the notch is sleeved at the notch of the housing (4), the pull tab (2) is pulled, the pull tab (2) moves upwards under the action of the guide V-shaped block (8), so that the locking claw (7) is driven to overcome the pressure of the pressure spring (10) to move upwards, and the locking claw (7) is separated from the zipper teeth (6).

2. The double-ended self-locking anti-theft zipper for woven bags according to claim 1, characterized in that: the chain head (3) is made of metal and plated on the surface.

3. The double-ended self-locking anti-theft zipper for woven bags according to claim 1, characterized in that: the retaining ring (5), the base (9) and the guide V-shaped block (8) are integrally processed.

4. The double-ended self-locking anti-theft zipper for woven bags according to claim 1, characterized in that: more than two bases (9) are provided.

5. The double-ended self-locking anti-theft zipper for woven bags according to claim 1, characterized in that: the cover shell (4), the base (9) and the guide V-shaped block (8) are welded into a whole.

6. The double-ended self-locking anti-theft zipper for woven bags according to claim 1, characterized in that: the pressure spring (10) is made of brass material, and the width of the pressure spring is wider than that of the locking claw (7).