CN115462598A - Zipper head capable of preventing zipper pulls from being stuck and zipper - Google Patents

Abstract

The invention discloses a zipper head capable of preventing a zipper pull from being stuck and a zipper, and relates to the field of zippers, wherein the zipper head comprises a zipper head body, a zipper pull and an elastic piece, a pair of claw parts which are oppositely arranged in front and back are upwards extended from the top of the zipper head body, a zipper pull mounting groove is formed in the middle of the claw parts, the zipper pull comprises a pivot part, the elastic piece is mounted on the pivot part, the elastic piece is arranged on the zipper pull mounting groove, the tops of the claw parts are oppositely bent and riveted to surround the elastic piece, so that the elastic piece is pressed on the pivot part in an elastic deformation mode, therefore, the pivot part of the zipper pull can not be stuck and can rotate relative to the zipper head body, the zipper pull can be kept at the position to which the pivot part rotates when the pivot part rotates due to the elastic piece having elastic performance, and the abrasion caused by the rotary motion between the pivot part of the zipper pull and the mounting hole formed after the pair of claw parts are bent and riveted can be reduced and avoided.

Description

Zipper head capable of preventing zipper pulls from being stuck and zipper

Technical Field

The invention relates to the field of zippers, in particular to a zipper head capable of preventing zipper pulls from being stuck and a zipper.

Background

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 goes 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. A slide fastener has been loaded into a history book as one of ten inventions most practical for humans in this century.

The existing slide fastener generally includes fastener tapes, fastener elements fixed to the fastener tapes, and a slider provided between the fastener tapes for engaging and releasing the fastener elements on the fastener tapes. Draw zipper head generally including pull head main part and pulling-on piece, the pull head main part is generally formed by metal material preparation, and the top of pull head main part is provided with a pair of pulling-on piece erection column, and a pair of pulling-on piece erection column forms the mounting hole after buckling the riveting, and the pulling-on piece setting is in this mounting hole. However, if the pull tab is made of a metal material, the pull tab is easily stuck in the mounting hole after the pair of pull tab mounting posts are bent and riveted, and if the slider body and the pull tab are both made of a metal material, the pull tab may cause abrasion of the connecting position of the slider body and the pull tab when rotating relative to the slider body.

Disclosure of Invention

The invention aims to overcome the technical problems and provides a zipper head and a zipper capable of preventing zipper pulls from being stuck.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the top of the slider body extends upwards to form a pair of claw parts which are arranged oppositely front and back, a pull piece mounting groove is formed in the middle of the pair of claw parts, the pull piece comprises a pivot part, the elastic piece is mounted on the pivot part, and the elastic piece is arranged on the pull piece mounting groove, wherein the tops of the pair of claw parts are bent and riveted oppositely to surround the elastic piece, so that the elastic piece is pressed on the pivot part in an elastic deformation mode.

Furthermore, the elastic piece is of a U-shaped structure, and after the tops of the pair of claw parts are bent and riveted oppositely, the elastic piece is changed into an annular structure from the U-shaped structure so as to wrap the pivot part.

Furthermore, a fixing groove is formed in the pulling-on piece mounting groove, and the elastic piece is arranged in the fixing groove.

Furthermore, the section of the fixing groove is of a U-shaped structure.

Further, the elastic element is of a sleeve-shaped structure.

Furthermore, the two ends of the elastic part of the sleeve-shaped structure extend outwards along the radial direction to form sleeve shoulders, and the elastic part of the sleeve-shaped structure is in an I-shaped structure.

Furthermore, after the tops of the pair of claws are bent and riveted in opposite directions, the cylinder shoulders at two ends of the elastic piece of the sleeve-shaped structure clamp two side surfaces of the pair of claws.

Furthermore, the pull tab further comprises a pair of supporting parts and a holding part, wherein the supporting parts are symmetrically arranged at two ends of the pivot part, the holding part is connected with the supporting parts, and the inner side surfaces of the supporting parts are tightly attached to the barrel shoulder.

Furthermore, the holding part is provided with a yielding groove, and the width of the yielding groove is larger than the width of the pair of claw parts.

A slide fastener comprising a pair of right and left fastener element tapes provided with fastener elements at side edge portions of fastener stringers, and a slider for preventing deadlocking of a pull tab according to any one of claims 1 to 9 for engaging and disengaging the pair of right and left fastener elements.

As can be seen from the above description of the present invention, compared with the prior art, the zipper head and the zipper preventing the zipper pull from being stuck provided by the present invention have at least the following advantages:

1. the pull piece comprises a pivot part, an elastic piece is arranged on the pivot part, a pair of claw parts which are arranged oppositely in the front and back direction extend upwards from the top of the pull head body, a pull piece mounting groove is formed in the middle of the pair of claw parts, the elastic piece is arranged on the pull piece mounting groove, wherein the top parts of the pair of claw parts are oppositely bent and riveted to surround the elastic piece, so that the elastic piece is pressed on the pivot part in an elastic deformation mode, therefore, the pivot part of the pull piece cannot be blocked due to the elastic property of the elastic piece, the pull tab can rotate relative to the pull head body, and the elastic piece tightly presses the pivot part, so that the pull tab can be kept at the rotated position when rotating with the pivot part, namely the pull tab can be kept immovable at any position, so that the pull tab cannot shake up and down, and meanwhile, the abrasion caused by the rotating motion between the pivot part of the pull tab and the mounting hole can be reduced and avoided due to the protection of the interval of the elastic piece between the mounting holes formed after the pivot part of the pull tab and the pair of claw parts are bent and riveted;

2. when the elastic piece is of a sleeve-shaped structure and the two ends of the elastic piece of the sleeve-shaped structure extend outwards along the radial direction to form tube shoulders, the tube shoulders at the two ends of the elastic piece clamp the two side faces of the pair of claws, the pull piece further comprises a pair of supporting parts, and the inner side faces of the pair of supporting parts are tightly attached to the tube shoulders, so that the left and right movement of the pull piece is limited, meanwhile, the abrasion of the two side faces of the pair of claws is reduced, the service life of the zipper head is prolonged, therefore, the effect that the whole pull piece does not shake or move is achieved, and a user can move freely.

Drawings

FIG. 1 is an exploded view of the zipper slider for preventing the zipper puller from being stuck, wherein the elastic member is bent from a U-shaped structure to form a cylindrical structure;

FIG. 2 is a cross-sectional view of the zipper slider for preventing the zipper pull from being locked, wherein the elastic member is bent from a U-shaped structure to form a cylindrical structure;

FIG. 3 is a schematic view of the spring mounted to the slider body;

FIG. 4 is a side view of the spring mounted to the slider body;

FIG. 5 is a schematic view of the construction of the slider body;

FIG. 6 is an exploded view of the zipper head of the present invention, wherein the elastic member is a sleeve-shaped structure;

FIG. 7 is a cross-sectional view of the zipper head for preventing the zipper slider from being stuck, in which the elastic member has a sleeve-like structure, according to the present invention;

FIG. 8 is a schematic view of the attachment of the resilient member to the pivot portion of the pull tab;

fig. 9 is a schematic view of a pull tab.

Detailed Description

The technical solutions in 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. 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 invention.

It is noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-7, a zipper head for preventing zipper from being stuck comprises a zipper head body 1, a zipper pull 2 and an elastic piece 3, wherein the zipper head body 1 is used for matching with zipper teeth, the zipper teeth of a zipper are arranged in the zipper head body 1 in a penetrating way, a pair of claw parts 4 which are arranged oppositely in the front and back direction extend upwards from the top of the zipper head body 1, a zipper pull mounting groove 5 is formed between the pair of claw parts 4, the pull tab 2 includes a pivot portion 21, the elastic member 3 is mounted on the pivot portion 21, and after the elastic member 3 is mounted on the pivot portion 21, the elastic member 3 is disposed on the pull tab mounting groove 5, wherein after the elastic member 3 is disposed on the pull tab mounting groove 5, the tops of the pair of claw portions 4 are bent toward each other and caulked to surround the elastic member 3, so that the elastic member 3 is pressed against the pivot portion 21 in an elastically deformed state.

In order to increase the riveting quality of the zipper slider, optionally, the pair of claw portions 4 and the slider body 1 are made of metal materials convenient for riveting, such as zinc alloy, copper, aluminum alloy and the like; the elastic member 3 is made of an elastic material, including but not limited to plastic; and the pull tab 2 is made of a metal material.

Specifically, because the elastic member 3 has elastic performance, the pivot portion 21 of the pull tab 2 cannot be locked and can rotate relative to the slider body 1, and because the elastic member 3 tightly presses the pivot portion 21, the pull tab 2 can be kept at the position to which the pull tab 2 rotates when rotating with the pivot portion 21, namely, the pull tab 2 can be kept still at any position, so that the pull tab 2 cannot shake up and down, and meanwhile, because the pivot portion 21 of the pull tab 2 and the pair of claw portions 4 are bent and riveted to form an interval protection of the elastic member 3 between the mounting holes 8, the abrasion caused by the rotating motion between the pivot portion 21 of the pull tab 2 and the mounting holes 8 can be reduced and avoided.

As shown in fig. 9, the pull tab 2 further includes a pair of support portions 22 and a holding portion 23, the pair of support portions 22 are symmetrically disposed at both ends of the pivot portion 21, and the holding portion 23 is connected to the pair of support portions 22.

Specifically, the grip portion 23, the pair of support portions 22, and the pivot portion 21 are integrally formed, one end of the support portion 22 away from the grip portion 23 is provided with a curved arc surface 221, the grip portion 23 is provided with a relief groove 231, the relief groove 231 is used for preventing the pull tab 2 from interfering with the pair of claw portions 4 during rotation, therefore, the width of the relief groove 231 is larger than that of the pair of claw portions 4, and the cross-sectional shape of the relief groove 231 includes, but is not limited to, a rectangular structure.

As shown in fig. 3 to 5, the cross section of the pull tab mounting groove 5 formed between the pair of claw portions 4 is a U-shaped structure, a certain distance is left between the arc-shaped bottom of the pull tab mounting groove 5 of the U-shaped structure and the upper surface of the slider body 1, so that the interference between the front end of the pull tab 2 and the upper surface of the slider body 1 is prevented during the rotation process, and both side walls of the pull tab mounting groove 5 of the U-shaped structure are inclined outward by a certain angle, so that the distance between the two side walls is gradually increased.

As shown in fig. 1, 3, 4, and 5, the side walls of the claw portions 4 and the side walls of the tab mounting groove 5 are gradually reduced from the extending direction thereof, so that the pair of claw portions 4 are easier to bend and rivet, and the side walls of the claw portions 4 are arc-shaped curved surfaces 41, so that after the pair of claw portions 4 are riveted, the top portions of the two side walls can form an arc surface 6, so that the slider body 1 is more beautiful.

Referring to fig. 1 to 5, in one embodiment of the present invention, the elastic member 3 has a U-shaped structure, and the elastic member 3 has a circular cross section, so that after the tops of the pair of claw portions 4 are bent and caulked toward each other, the elastic member 3 is converted from the U-shaped structure into an annular structure to wrap the pivot portion 21.

Specifically, after the elastic member 3 of the U-shaped structure is attached to the pivot portion 21, the elastic member 3 of the U-shaped structure is attached to the tab attaching groove 5 together with the pivot portion 21, and at this time, the elastic member 3 of the U-shaped structure is in contact with the groove wall of the tab attaching groove 5, and when the pair of claw portions 4 are bent and caulked toward each other, both end portions of the elastic member 3 of the U-shaped structure are also bent toward each other following the pair of claw portions 4, and both end portions thereof are butted against each other to form the elastic member 3 of an annular structure, and at this time, the elastic member 3 of the annular structure surrounds the pivot portion 21 of the tab 2 in a manner accompanied by elastic deformation.

Referring to fig. 3 to 5, the pull tab mounting groove 5 is provided with a fixing groove 51, the fixing groove 51 has a U-shaped cross section, and the elastic member 3 is disposed in the fixing groove 51. Specifically, the width of the fixing groove 51 is greater than or equal to the diameter of the circular section of the elastic member 3 with the U-shaped structure, the depth of the fixing groove 51 is less than the diameter of the circular section of the elastic member 3 with the U-shaped structure, and more specifically, the depth of the fixing groove 51 is at least less than 2/3 of the diameter of the circular section of the elastic member 3 with the U-shaped structure, so that the pivot portion 21 of the pull tab 2 is prevented from being directly clamped and clamped by the mounting hole 8 formed after the pair of claws 4 are bent and riveted oppositely.

Referring to fig. 6 to 8, in another embodiment of the present application, the elastic member 3 is of a sleeve-shaped structure, and the two ends of the elastic member 3 of the sleeve-shaped structure extend radially outward to form a shoulder 7, so that the elastic member 3 of the sleeve-shaped structure is of an i-shaped structure.

The elastic element 3 of the sleeve-shaped structure can be sleeved on the pivot part 21 of the pull tab 2 or integrally formed on the pivot part 21 of the pull tab 2 by injection molding, the diameter of the outer ring of the cylinder shoulder 7 is larger than that of the outer ring of the elastic element 3 of the sleeve-shaped structure, and in another embodiment, the cylinder shoulder 7 and the elastic element 3 of the sleeve-shaped structure can be separated and not integrally formed and replaced by an annular bump.

Specifically, after the tops of the pair of claws 4 are bent and riveted in opposite directions, the tube shoulders 7 at the two ends of the elastic piece 3 in the sleeve-shaped structure clamp the two side surfaces of the pair of claws 4, and the inner side surfaces of the pair of supporting parts 22 of the pull tab 2 cling to the tube shoulders 7, so that the left and right movement of the pull tab 2 is limited, the abrasion of the two side surfaces of the pair of claws 4 is reduced, the service life of the zipper head is prolonged, and therefore, the effect that the pull tab 2 does not shake or move integrally is achieved, and a user can move freely.

The invention also provides a zipper, which comprises a pair of left and right zipper teeth belts provided with teeth at the side edge parts of the zipper belt, and the zipper head which is used for enabling the left and right zipper teeth to be meshed and not meshed and is used for preventing the zipper pulls from being blocked. When the zipper head moves up and down along the zipper teeth, the zipper can be opened or closed.

The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.

Claims (10)

1. The utility model provides a prevent dead zip fastener head of tab card which characterized in that: the top of the slider body extends upwards to form a pair of claw parts which are arranged oppositely front and back, a pull piece mounting groove is formed in the middle of each claw part, the pull piece comprises a pivot part, the elastic piece is mounted on the pivot part, the elastic piece is arranged on the pull piece mounting groove, the tops of the claw parts are bent and riveted oppositely to surround the elastic piece, and the elastic piece is pressed on the pivot part in an elastic deformation mode.

2. The zipper slider capable of preventing the zipper pull from being stuck as set forth in claim 1, wherein: the elastic piece is of a U-shaped structure, and after the tops of the pair of claw parts are oppositely bent and riveted, the elastic piece is changed into a circular structure from the U-shaped structure to wrap the pivot part.

3. The zipper slide of claim 2, wherein: the zipper-pull mounting groove is provided with a fixing groove, and the elastic piece is arranged in the fixing groove.

4. The zipper slider capable of preventing the zipper pull from being stuck as claimed in claim 3, wherein: the section of the fixing groove is of a U-shaped structure.

5. The zipper slider capable of preventing the zipper pull from being stuck as claimed in claim 1, wherein: the elastic piece is of a sleeve-shaped structure.

6. The zipper slider capable of preventing the zipper pull from being stuck as claimed in claim 5, wherein: the two ends of the elastic part of the sleeve-shaped structure extend outwards along the radial direction to form sleeve shoulders, and the elastic part of the sleeve-shaped structure is of an I-shaped structure.

7. The zipper slide of claim 6, wherein: after the tops of the pair of claw parts are oppositely bent and riveted, the cylinder shoulders at two ends of the elastic piece of the sleeve-shaped structure clamp two side surfaces of the pair of claw parts.

8. The zipper slider capable of preventing the zipper slider from being stuck as claimed in claim 7, wherein: the pull piece further comprises a pair of supporting parts and a holding part, the supporting parts are symmetrically arranged at two ends of the pivot part, the holding part is connected with the supporting parts, and inner side surfaces of the supporting parts are tightly attached to the barrel shoulder.

9. The zipper slider capable of preventing the zipper slider from being stuck as claimed in claim 8, wherein: the holding part is provided with a yielding groove, and the width of the yielding groove is larger than that of the pair of claw parts.

10. A slide fastener, characterized in that: the zipper slider comprises a pair of right and left zipper strips provided with zipper teeth at side edge portions of a fastener stringer, and the zipper slider for preventing zipper pulls from being stuck as claimed in any one of claims 1 to 9 for engaging and disengaging the pair of right and left zipper teeth.

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