CN112385941B

CN112385941B - Double-end zipper

Info

Publication number: CN112385941B
Application number: CN201910758788.5A
Authority: CN
Inventors: 李安庆
Original assignee: Zhejiang Weixing Industrial Development Co Ltd
Current assignee: Zhejiang Weixing Industrial Development Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2022-11-22
Anticipated expiration: 2039-08-16
Also published as: CN112385941A

Abstract

The application discloses a double-end zipper, which comprises a first chain belt, a second chain belt and two oppositely arranged pull heads, wherein a first fastener is arranged in the middle of the first chain belt, a second fastener is arranged in the middle of the second chain belt, and the first fastener and the second fastener are positioned between the two pull heads; after the first fastener and the second fastener are fastened, the two sliders can pull the first chain belt and the second chain belt together along opposite directions, and after the first fastener is separated from the second fastener, one of the two sliders can be selected to be separated from the first chain belt or the second chain belt. The utility model provides a double-end zip fastener can realize the separation of first chain belt and second chain belt at the middle part, has avoided need with the pull head pulling to the shortcoming of tip among the prior art, and it is more convenient to use.

Description

Double-end zipper

Technical Field

The application relates to the field of connecting parts, in particular to a double-end zipper.

Background

The zipper is composed of zipper teeth, a zipper head, an upper stop and a lower stop (a front stop and a rear stop) or a locking piece and the like. Generally, a zipper is provided with two chain belts, each chain belt is provided with a row of chain teeth, and the two rows of chain teeth are arranged in a staggered way; the zipper teeth at two sides are clamped by the pull head, and the zipper teeth at two sides can be mutually engaged or disengaged by sliding the pull tab; specifically, when the slider is moved along the stringers, the opposing rows of elements on the stringers are engaged together to close the zipper, and when the slider is moved in the opposite direction, the slider separates the opposing rows of elements to open the zipper.

At present, each zipper head is required to be pulled to the bottom end, and then the zipper is closed from the bottom end of the zipper, however, when the zipper is used on long-distance clothes, the zipper is inconvenient to be pulled, and particularly, in cold environments, such as in winter, the zipper of the long-distance down jacket is difficult to use. In addition, the existing slide fastener, the handicapped and the old, is more difficult to use.

Therefore, how to improve the convenience of the dual-head zipper is a technical problem to be solved by those skilled in the art.

Content of application

The utility model aims at providing a double-end zip fastener, this double-end zip fastener can realize opening and shutting at the chain belt intermediate position, convenient to use, easy operation.

In order to achieve the above purpose, the present application provides the following technical solutions:

a double-head zipper comprises a first zipper belt, a second zipper belt and two sliders arranged in opposite directions, wherein a first fastener is arranged in the middle of the first zipper belt, a second fastener is arranged in the middle of the second zipper belt, and the first fastener and the second fastener are positioned between the two sliders; after the first fastener and the second fastener are fastened, the two sliders can pull the first chain belt and the second chain belt together along opposite directions, and after the first fastener is separated from the second fastener, one of the two sliders can be selected to be separated from the first chain belt or the second chain belt.

Preferably, the first fastener is provided with first locating parts along two sides of the extending direction of the zipper, the second fastener is provided with second locating parts along two sides of the extending direction of the zipper, and the first locating parts can be clamped with the second locating parts in the vertical direction of the zipper closing surface.

Preferably, the first limiting part and the second limiting part are respectively a limiting block and a limiting sheet, a groove for limiting insertion is formed in the side face, close to the limiting sheet, of the limiting block, and the limiting sheet can be inserted into the slider along the side face of the slider.

Preferably, the limiting block is provided with a limiting hole for limiting the pull head.

Preferably, a guide tooth is arranged on the first chain belt or the second chain belt and close to the limiting piece, and an arc-shaped guide surface is arranged on the outer peripheral portion of the guide tooth.

Preferably, the first limiting member and the first fastening member are integrally formed; the second limiting part and the second fastening part are of an integrally formed structure.

Preferably, the puller comprises a connecting part for connecting the puller, an upper bottom plate and a lower bottom plate for forming an inner cavity, an abutment core for opening the zipper teeth and a baffle arranged on the side surfaces of the upper bottom plate and the lower bottom plate; the length of the baffle is 0.3-0.6 times of the total length of the pull head.

Preferably, the side of the first fastener is provided with a boss, the side of the second fastener is provided with a hole groove, and the boss can be clamped with the hole groove.

Preferably, the second fastener includes the support body, sets up support body inside activity button and elastomeric element, the one end of activity button can with the boss joint, the other end can supply the user to press the back and make the boss breaks away from the activity button, elastomeric element can make the activity button.

Preferably, the boss is circumferentially provided with a step surface, the movable key comprises two key bodies, the middle part of each key body is hinged with the support body, one side of each key body is provided with a clamping part, and the other side of each key body is provided with a pressing part; and the outside of joint portion is equipped with the direction cambered surface, the inboard be equipped with can with the joint face of step face joint.

The double-end zipper comprises a first zipper belt, a second zipper belt and two pull heads which are arranged in opposite directions, wherein a first fastener is arranged in the middle of the first zipper belt, a second fastener is arranged in the middle of the second zipper belt, and the first fastener and the second fastener are positioned between the two pull heads; after the first fastener and the second fastener are fastened, the two sliders can pull the first chain belt and the second chain belt together along opposite directions, and after the first fastener is separated from the second fastener, one of the two sliders can be selected to be separated from the first chain belt or the second chain belt. The utility model provides a double-end zip fastener, utilize the lock of first fastener and second fastener, upwards close first chain belt with two pullers with drawing downwards respectively, the second chain belt can accomplish the drawing of whole zip fastener and close, draw two pullers to the position of being close to first fastener and second fastener, separate first fastener and second fastener, alright in order to realize the separation of first chain belt and second chain belt, can accomplish whole process at the middle part of first chain belt and second chain belt, need stimulate the shortcoming to the tip with the pullers among the prior art has been avoided, and it is more convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a structure of one embodiment of a dual post zipper provided herein;

FIG. 2 is a schematic view of the dual post zipper provided herein as it is being zipped;

FIG. 3 is a schematic view of the dual post zipper provided herein as it is opened;

FIG. 4 is a schematic view showing a structure of a first fastener tape of the double-end slide fastener according to the present application;

FIG. 5 is a schematic view of the structure of a second stringer in the double-end slide fastener provided in the present application;

FIG. 6 is a schematic view of a second fastener element of the dual post zipper provided in the present application;

FIG. 7 is a schematic view of a slider structure in the double-ended slide fastener provided in the present application;

wherein: the zipper comprises a first chain belt (1), a first fastener (1-1), a boss (1-1-1), a first limiting piece (1-2), a groove (1-2-1), a limiting hole (1-2-2), a second chain belt (2), a second fastener (2-1), a supporting body (2-1-1), a hole groove (2-1-2), a movable key (2-1-3), an elastic part (2-1-4), a second limiting piece (2-2), a chain tooth (3), a leading-in tooth (3-1), a pull head (4), a connecting part (4-1), an upper base plate (4-2), a lower base plate (4-3), a base core (4-4), a baffle (4-5) and an inner cavity (4-6).

Detailed Description

The core of the application is to provide a double-end zipper, the double-end zipper can effectively solve the problem that the double-end zipper in the prior art is inconvenient to use, can be opened and closed at the middle position of a chain belt, and is convenient to use and simple to operate.

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a dual-end zipper provided in the present application; FIG. 2 is a schematic view of the dual post zipper provided herein as it is being zipped; FIG. 3 is a schematic view of the dual post zipper provided herein as it is opened; FIG. 4 is a schematic view of a first fastener tape of the double-end slide fastener provided in the present application; FIG. 5 is a schematic view of the structure of a second stringer in the double-end slide fastener provided in the present application; FIG. 6 is a schematic view of the construction of a second fastener element of the dual post zipper provided herein; fig. 7 is a schematic view showing the structure of a slider in the double-ended slide fastener provided in the present application.

In this embodiment, the double-end slide fastener includes a first fastener tape 1, a second fastener tape 2, and two sliders 4 arranged in opposite directions, the first fastener tape 1 and the second fastener tape 2 may be both of a tape, and the first fastener tape 1 and the second fastener tape 2 are both provided with elements 3 that can be engaged.

The middle of the first chain belt 1 is provided with a first fastener 1-1, the middle of the second chain belt 2 is provided with a second fastener 2-1, the first fastener 1-1 and the second fastener 2-1 are positioned between two sliders 4, namely, the two sliders 4 are respectively positioned at two sides of the first fastener 1-1 and the second fastener 2-1, after the first fastener 1-1 is fastened with the second fastener 2-1, the two sliders 4 can pull the first chain belt 1 and the second chain belt 2 together along opposite directions, after the first fastener 1-1 is separated from the second fastener 2-1, the two sliders 4 can be selected to be separated from the first chain belt 1 or the second chain belt 2, namely, when the zipper is in an open state, the sliders 4 can be positioned on the first chain belt 1 or the second chain belt 2.

The double-end zipper provided by the application utilizes the buckling of the first fastener 1-1 and the second fastener 2-1 to respectively pull the two pull heads 4 upwards and downwards to close the first zipper belt 1 and the second zipper belt 2 to complete the closing of the whole zipper, the two pull heads 4 are pulled to the positions close to the first fastener 1-1 and the second fastener 2-1 to separate the first fastener 1-1 and the second fastener 2-1, so that the separation of the first zipper belt 1 and the second zipper belt 2 can be realized, the whole process can be completed in the middle of the first zipper belt 1 and the second zipper belt 2, the defect that the pull heads 4 need to be pulled to the end part in the prior art is avoided, and the use is more convenient.

Further, two sides of the first fastener 1-1 along the extending direction of the zipper are provided with first limiting parts 1-2, two sides of the second fastener 2-1 along the extending direction of the zipper are provided with second limiting parts 2-2, the first fastener 1-1 and the first limiting parts are both positioned on the first zipper belt 1, the second fastener 2-1 and the second limiting parts are both positioned on the second zipper belt 2, the first limiting parts 1-2 can be clamped with the second limiting parts 2-2 in the vertical direction of the zipper closing surface, and specifically, the zipper closing surface of the zipper is the extending surface of the first zipper belt 1 and the second zipper belt 2.

With the above arrangement, the first limiting part 1-2 can be clamped with the second limiting part 2-2 in the vertical direction of the zipper, so as to prevent the first limiting part 1-2 and the second limiting part 2-2 from being dislocated in the vertical direction of the zipper, so that the teeth 3 on the first chain belt 1 and the second chain belt 2 are separated.

Specifically, the first limiting part 1-2 and the second limiting part 2-2 are respectively a limiting block and a limiting sheet, a groove 1-2-1 for limiting and inserting is arranged on the side surface of the limiting block close to the limiting sheet, and the limiting sheet can be inserted into the pull head 4 along the side surface of the pull head 4.

By the arrangement, the first limiting part 1-2 and the second limiting part 2-2 are connected more closely, and the arrangement of the first fastening part 1-1 and the second fastening part 2-1 is matched, so that the whole zipper is in a clamping state at other positions except the position where the zipper teeth 3 are meshed in the extending direction, and the zipper teeth 3 can be effectively prevented from being disengaged.

More specifically, the first limiting part 1-2 is a limiting block, and the second limiting part 2-2 is a limiting piece, or the first limiting part 1-2 is a limiting piece, and the second limiting part 2-2 is a limiting block, and after the first cloth belt and the second cloth belt are separated, the pull head 4 is located on one side of the limiting block.

Further, the first fastener 1-1 and the second fastener 2-1 are preferably symmetrical structures, and the shape of the limiting block is matched with the shape of the inner cavity 4-6 of the slider 4, so that the slider 4 can be prevented from falling off at the limiting block.

Specifically, the limiting block is provided with a limiting hole 1-2-2 for limiting the pull head 4, and the arrangement of the limiting hole 1-2-2 can prevent the pull head 4 from falling off, and especially for the pull head 4 positioned on the lower side, the pull head 4 can be ensured to be positioned at the position of the limiting block. Or the size of the limiting block can be slightly larger than the size of the inner cavity 4-6 of the pull head 4, and the fastening connection is realized through interference fit.

Specifically, the limiting hole 1-2-2 can be a through hole or a blind hole, the pull head 4 is provided with an arc-shaped boss which can be clamped with the limiting hole 1-2-2, the height of the arc-shaped boss is not too high, the pull head 4 cannot fall off, and after the pull head 4 is pulled, the arc-shaped boss can be separated from the limiting hole 1-2-2, so that the pull head 4 can be conveniently pulled to close.

Of course, other limiting parts capable of limiting the slider 4 may be disposed on the first limiting part 1-2 or the second limiting part 2-2, and are not limited to the embodiment.

Further, when the first fastening member 1-1 and the second fastening member 2-1 are inserted, there is no gap between the first fastening member 1-1 and the second fastening member 2-1.

In addition to the above embodiments, the first fastener tape 1 or the second fastener tape 2 is provided with the guide teeth 3-1 at positions close to the stopper piece, and the outer peripheral portion of the guide teeth 3-1 is provided with the arc-shaped guide surface to facilitate the entry of the guide teeth 3-1 into the slider 4. The introduction element 3-1 is provided to guide the slider 4 to smoothly perform the zipper assembly, and to link the element 3 on the opposite side to the zipper assembly, thereby performing the zipper assembly function.

On the basis of the above embodiments, the first limiting member 1-2 and the first fastening member 1-1 are integrally formed; the second limiting part 2-2 and the second fastening part 2-1 are of an integrally formed structure, and the integrally formed structure is convenient to process, high in strength and good in firmness.

Meanwhile, the first fastening piece 1-1 and the second fastening piece 2-1 are preferably made of alloy and have higher strength, and of course, plastic products can be adopted and are not limited to the materials given in the embodiment.

On the basis of the above embodiments, the slider 4 comprises a connecting part 4-1 for connecting the tab, an upper base plate 4-2 and a lower base plate 4-3 for forming an inner cavity 4-6, a base core 4-4 for opening the fastener element 3, and a baffle 4-5 provided at the side of the upper base plate 4-2 and the lower base plate 4-3; the length of the baffle 4-5 is 0.3-0.6 times of the total length of the pull head 4, and the length of the baffle 4-5 is shortened relative to the length of the baffle 4-5 in the prior art, so that the leading-in teeth 3-1 can conveniently enter the pull head 4.

Specifically, after the first fastener 1-1 and the second fastener 2-1 are combined, the leading-in teeth 3-1 of the second fastener 2-1 can conveniently enter the inner cavity 4-6 of the pull head 4, and the leading-in teeth 3-1 in the second fastener 2-1 play a role in guiding and facilitating the pull head 4 to be folded; the limiting block in the first fastener 1-1 is also matched with the pull head 4, and when the tail part of the pull head 4 is pulled to the first fastener 1-1, the pull head 4 can fix the pull head 4 at the same position under the action of the limiting block.

On the basis of the above embodiments, the side surface of the first fastening piece 1-1 is provided with a boss 1-1-1, the side surface of the second fastening piece 2-1 is provided with a hole groove 2-1-2, and the boss 1-1-1 can be clamped with the hole groove 2-1-2.

Specifically, the second fastening piece 2-1 comprises a supporting body 2-1-1, a movable key 2-1-3 and an elastic component 2-1-4, wherein the movable key 2-1-3 is arranged inside the supporting body 2-1-1, one end of the movable key 2-1-3 can be clamped with the boss 1-1-1, the other end of the movable key can be pressed by a user to enable the boss 1-1-1 to be separated from the movable key 2-1-3, and the elastic component 2-1-4 can enable the movable key 2-1-3.

More specifically, a step surface is arranged on the circumferential direction of the boss 1-1-1, the movable key 2-1-3 comprises two key bodies, the middle part of each key body is hinged with the support body 2-1-1, a clamping part is arranged on one side of each key body, and a pressing part is arranged on the other side of each key body; and the outer side of the clamping part is provided with a guide cambered surface, and the inner side of the clamping part is provided with a clamping surface which can be clamped with the step surface.

Furthermore, the elastic part 2-1-4 is arranged between the pressing parts of the two key bodies, the elastic part 2-1-4 can be a spring and is in a compression state, when an operator presses the movable key 2-1-3 towards the middle, the elastic part 2-1-4 is further compressed, the clamping parts of the two key bodies are far away, and the boss 1-1-1 can be separated from the clamping parts; after the operator loosens the movable key 2-1-3, the elastic component 2-1-4 stretches and retracts, so that the movable key 2-1-3 is reset; when the first fastening piece 1-1 and the second fastening piece 2-1 need to be closed, the boss 1-1-1 is pressed to the hole groove 2-1-2 with force, the clamping parts of the two key bodies are far away under the action of the guide cambered surface, the boss 1-1-1 enters the clamping parts, the two key bodies reset under the action of the elastic parts 2-1-4, and the clamping parts and the boss 1-1-1 enter a clamping state.

Specifically, when a user uses the zipper, the zipper head 4 is firstly pulled to the position of the limiting block of the first fastener 1-1, then the first fastener 1-1 and the second fastener 2-1 are buckled, and finally the zipper head 4 is respectively pulled up and down to complete zipper closing, so that the operation is simpler and more convenient.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The double-ended zipper provided by the present application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. A double-end zipper comprises a first zipper belt (1), a second zipper belt (2) and two oppositely arranged sliders (4), and is characterized in that a first fastener (1-1) is arranged in the middle of the first zipper belt (1), a second fastener (2-1) is arranged in the middle of the second zipper belt (2), and the first fastener (1-1) and the second fastener (2-1) are positioned between the two sliders (4); after the first fastener (1-1) is fastened with the second fastener (2-1), the two sliders (4) can pull the first chain belt (1) and the second chain belt (2) together along opposite directions, and after the first fastener (1-1) is separated from the second fastener (2-1), one of the two sliders (4) can be separated from the first chain belt (1) or the second chain belt (2); the zipper is characterized in that first limiting parts (1-2) are arranged on two sides of the first fastener (1-1) along the extending direction of the zipper, second limiting parts (2-2) are arranged on two sides of the second fastener (2-1) along the extending direction of the zipper, and the first limiting parts (1-2) can be clamped with the second limiting parts (2-2) in the vertical direction of a zipper closing surface.

2. The double-ended slide fastener according to claim 1, wherein said first retaining member (1-2) and said second retaining member (2-2) are a retaining block and a retaining tab, respectively, wherein a groove (1-2-1) for said retaining insertion is provided on a side surface of said retaining block adjacent to said retaining tab, and said retaining tab is insertable into said slider (4) along a side surface of said slider (4).

3. A double-ended zipper according to claim 2, wherein the limiting block is provided with a limiting hole (1-2-2) for limiting the slider (4).

4. The double-end zipper according to claim 2, wherein the first zipper tape (1) or the second zipper tape (2) is provided with a leading tooth (3-1) at a position close to the stopper piece, and an outer peripheral portion of the leading tooth (3-1) is provided with an arc-shaped guide surface.

5. The double-ended zipper according to claim 1, wherein the first stop member (1-2) and the first fastening member (1-1) are of an integrally formed structure; the second limiting piece (2-2) and the second fastening piece (2-1) are of an integrally formed structure.

6. The double-ended slide fastener according to any one of claims 1 to 5, wherein said slider (4) comprises a connecting portion (4-1) for connecting a tab, an upper base plate (4-2) and a lower base plate (4-3) for forming an inner cavity (4-6), a base core (4-4) for opening the fastener element (3), and a shutter (4-5) provided at a side of said upper base plate (4-2) and said lower base plate (4-3); the length of the baffle (4-5) is 0.3-0.6 times of the total length of the pull head (4).

7. The double-ended slide fastener according to any one of claims 1 to 5, wherein the first fastening member (1-1) is provided with a boss (1-1-1) at a side thereof, and the second fastening member (2-1) is provided with a hole groove (2-1-2) at a side thereof, and the boss (1-1-1) is engageable with the hole groove (2-1-2).

8. The double-end zipper according to claim 7, wherein the second fastening member (2-1) comprises a support body (2-1-1), a movable key (2-1-3) arranged inside the support body (2-1-1) and an elastic member (2-1-4), one end of the movable key (2-1-3) can be clamped with the boss (1-1-1), the other end of the movable key can be pressed by a user to enable the boss (1-1-1) to be separated from the movable key (2-1-3), and the elastic member (2-1-4) can enable the movable key (2-1-3).

9. The double-end zipper according to claim 8, wherein the boss (1-1-1) is circumferentially provided with a step surface, the movable button (2-1-3) comprises two button bodies, the middle part of the button body is hinged with the support body (2-1-1), one side of the button body is provided with a clamping part, and the other side of the button body is provided with a pressing part; and the outside of joint portion is equipped with the direction cambered surface, the inboard be equipped with can with the joint face of step face joint.