CN214103484U - Zipper and zipper teeth thereof - Google Patents

Abstract

The utility model discloses a zip fastener and chain tooth thereof, chain tooth include the chain tooth body, and the both sides of chain tooth body all are equipped with the meshing head that is used for the meshing, and the terminal surface of chain tooth body is equipped with two first guide rail grooves that run through the chain tooth body, make the pull head pass to the pull head control meshing head interlock that makes and pass first guide rail groove or open. The both sides homoenergetic of this chain tooth all can carry out the interlock with ordinary chain tooth, and the form of two ordinary chains of intermediate chain collocation that an accessible was equipped with this chain tooth satisfies the needs of installing two zip fasteners simultaneously, reduces the shared space of zip fastener, has simplified the installation flow of zip fastener strap. The utility model also discloses a zip fastener including above-mentioned chain tooth sets up above-mentioned chain tooth body on middle strap, still include with first chain tooth of chain tooth body matched with and second chain tooth on the middle strap, through the pull head with the chain tooth body is supporting, steerable chain tooth body and first chain tooth and/or second chain tooth interlock or part to solve the inconvenient problem of two sets of zip fastener installations.

Description

Zipper and zipper teeth thereof

Technical Field

The utility model relates to a dress auxiliary material technical field, more specifically say, relate to a chain tooth. In addition, the utility model discloses still relate to a zip fastener including above-mentioned chain tooth.

Background

The zipper is an important component of the clothing accessory and is widely applied to daily wearing of clothing by people. The zipper is composed of zipper teeth, a zipper head, an upper stop, a lower stop or a locking piece and the like. Generally, a zipper has two fastener tapes, each fastener tape has a row of fastener elements, and the two rows of fastener elements are arranged in a staggered manner.

Two limits open and shut each other about traditional tooth can only, and the zip fastener strap is fixed on the cloth, if want two zip fasteners of installation simultaneously, two strap overlap each other in the middle of, must can let wholly become very wide, not only influence pleasing to the eye, can lead to in some narrow and small positions in space unable two zip fasteners of installation moreover. In addition, two cloth belts in the middle are difficult to fix on the cloth, so that two functional areas cannot be distinguished.

Therefore, how to solve the problem that two middle cloth belts are overlapped and difficult to fix is a problem to be urgently solved by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a chain tooth, the both sides homoenergetic of this chain tooth can carry out the interlock with ordinary chain tooth, and two ordinary chain's of intermediate chain collocation form that is equipped with this chain tooth of accessible satisfies the needs of installing two zip fasteners simultaneously, reduces the shared space of zip fastener, has simplified the installation flow of zip fastener strap.

Another object of the present invention is to provide a slide fastener including the above fastener elements.

In order to achieve the above object, the present invention provides the following technical solutions:

the zipper teeth comprise zipper teeth bodies, meshing head parts used for meshing are arranged on two sides of each zipper tooth body, two first guide rail grooves penetrating through the zipper teeth bodies and enabling sliders to penetrate through the zipper teeth bodies are formed in the end faces of the zipper teeth bodies, and therefore the sliders penetrating through the first guide rail grooves control the meshing head parts to be meshed or opened.

Preferably, the zipper tooth body is provided with a band rib hole penetrating through the zipper tooth body and a cloth belt groove penetrating through the band rib hole and the end face of the zipper tooth body, and the diameter of the band rib hole is larger than the width of the cloth belt groove so as to fix the zipper tooth body on the cloth belt through the band rib hole and the cloth belt groove.

Preferably, the thread distributing groove and the first guide rail groove are formed in the lower end face of the fastener element body.

Preferably, the length direction of the belt distribution groove is parallel to the length direction of the first guide rail groove, and the fastener element body is symmetrical to the central plane where the central line of the belt distribution groove and the central line of the ribbed hole are located.

A zipper comprises a first cloth belt provided with a first zipper tooth, a middle cloth belt provided with any one of the zipper tooth bodies, a second cloth belt provided with a second zipper tooth, the first zipper tooth and the second zipper tooth are respectively matched and meshed with the meshing heads on two sides of the zipper tooth body, and the zipper further comprises a pull head used for controlling the zipper tooth body to be meshed or separated relative to the first zipper tooth and/or the second zipper tooth.

Preferably, the slider comprises a first lower cover plate, a second lower cover plate, a first upper cover plate, a first movement and a second movement, wherein the two sides of the first upper cover plate are respectively provided with a first curve protrusion;

a first linear bulge matched with the first guide rail groove is arranged on one adjacent side of the first lower cover plate and the second lower cover plate, and a second curved bulge opposite to the first curved bulge is arranged on the other side of the first lower cover plate and the second lower cover plate;

the first machine core and the second machine core are both planes on one side close to the first linear bulge, so that a linear channel for guiding the zipper tooth body to pass through is formed between the first machine core and the first linear bulge;

the first core and the second core are both curved surfaces on the side close to the second curve protrusion, so that a curve channel for guiding the first zipper teeth or the second zipper teeth to open or engage relative to the zipper teeth body is formed between the first core and the second curve protrusion.

Preferably, one side of the first lower cover plate, one side of the first movement and one side of the first upper cover plate form a first pulling body, the other side of the second lower cover plate, one side of the second movement and the other side of the first upper cover plate form a second pulling body, and the opening and closing directions of the first pulling body and the second pulling head are the same or opposite.

Preferably, the two first guide rail grooves are formed in the lower end face of the zipper tooth body, and the upper end face of the zipper tooth body is provided with two second guide rail grooves opposite to the first guide rail grooves;

the pull head comprises a second upper cover plate, a third lower cover plate and a third movement arranged between the second upper cover plate and the third lower cover plate;

a second linear bulge is arranged on one side of the second upper cover plate and used for being matched with the second guide rail groove, and a third curved bulge is arranged on the other side of the second upper cover plate;

a third linear bulge which is just opposite to the second linear bulge is arranged on one side of the third lower cover plate and is used for being matched with the first guide rail groove, and a fourth curved bulge which is just opposite to the third curved bulge is arranged on the other side of the third lower cover plate;

one side of the third movement, which faces the second linear protrusion and the third linear protrusion, is a plane, so that a linear channel for guiding the zipper tooth body to pass through is formed among the third movement, the second linear protrusion and the third linear protrusion;

one side of the third movement, facing the third curve protrusion and the fourth curve protrusion, is a curved surface, so that a curved channel for guiding the first zipper teeth or the second zipper teeth to open or engage with the zipper teeth body is formed between the third movement and the third curve protrusion and between the third movement and the fourth curve protrusion.

Preferably, the slider comprises a pull body, a cap and a pull piece, wherein the pull body, the cap and the pull piece are connected in a matched mode.

Preferably, the pull head further comprises an elastic sheet and a hook which are arranged between the cap and the pull body and used for self-locking.

The utility model provides a chain tooth, including the chain tooth body, chain tooth body both sides all are equipped with the meshing head, therefore, a strap that is equipped with this chain tooth body can carry out the interlock with two straps that are equipped with ordinary tooth simultaneously, can arrange the form of two ordinary chains of arranging through an intermediate chain that is equipped with this chain tooth body promptly, satisfy the needs of installing two zippers simultaneously, avoided two strap overlapping's in the middle problem each other, reduced the space that two zippers of installation so occupy, reduced the in-process difficulty of making up, also simplified the installation flow of zip fastener.

The utility model provides a zipper has above-mentioned chain tooth body, sets up above-mentioned chain tooth body on the strap in the middle, still include with first chain tooth of chain tooth body matched with and second chain tooth on the strap in the middle, first chain tooth is ordinary tooth with second chain tooth, first chain tooth sets up respectively on the first strap and the second strap of both sides with second chain tooth, through the pull head supporting with chain tooth body, steerable chain tooth body and first chain tooth and/or second chain tooth interlock or part to solve two sets of zipper installation inconvenient problems.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of a first embodiment of a slide fastener provided in the present invention;

FIG. 2 is a schematic view of the first element, the element body, and the second element of FIG. 1;

FIG. 3 is a schematic structural view of the tooth body of FIG. 1;

FIG. 4 is a schematic view of the construction of the pull head of FIG. 1;

FIG. 5 is a schematic view of an alternate angle configuration of the pull head of FIG. 4;

FIG. 6 is an exploded view of the pull head of FIG. 4;

FIG. 7 is a schematic structural view of a second embodiment of the slide fastener of the present invention;

FIG. 8 is a schematic view of the construction of the pull head of FIG. 7;

FIG. 9 is an exploded view of the pull head of FIG. 7;

FIG. 10 is a schematic bottom view of FIG. 7;

FIG. 11 is a schematic structural view of a third embodiment of a slide fastener of the present invention;

FIG. 12 is a schematic view of the structure of the tooth body of FIG. 11;

FIG. 13 is a schematic view of the construction of the pull head of FIG. 11;

FIG. 14 is a schematic view of an alternate angle configuration of the pull head of FIG. 11;

fig. 15 is a schematic structural view of a fourth embodiment of the slide fastener according to the present invention.

Wherein, 1-the zipper tooth body, 11-the engagement head, 12-the first guide rail groove, 13-the ribbed hole, 14-the cloth groove, 15-the second guide rail groove, 2-the first zipper tooth, 3-the second zipper tooth, 4-the first cloth belt, 5-the second cloth belt, 6-the middle cloth belt, 61-the cloth ribbed, 7-the pull head;

71-a first upper cover plate, 711-a first curve bulge, 72-a first lower cover plate, 73-a second lower cover plate, 725-a first straight bulge, 734-a second curve bulge, 74-a first movement, 75-a second movement, 76-a cover cap, 77-a pull sheet, 78-a shrapnel and 79-a hook;

701-a second upper cover plate, 7011-a second linear protrusion, 7012-a third curvilinear protrusion, 702-a third lower cover plate, 7021-a third linear protrusion, 7022-a fourth curvilinear protrusion, and 703-a third movement.

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.

The core of the utility model is to provide a chain tooth, the both sides homoenergetic of this chain tooth can carry out the interlock with ordinary chain tooth, and the form of two ordinary chains of intermediate chain collocation that is equipped with this chain tooth of accessible satisfies the needs of installing two zippers simultaneously, reduces the shared space of zip fastener, has simplified the installation flow of zip fastener strap.

The other core of the utility model is to provide a zipper comprising the zipper teeth.

Referring to fig. 1 to 15, fig. 1 is a schematic structural view of a first embodiment of a zipper of the present invention; FIG. 2 is a schematic view of the first element, the element body, and the second element of FIG. 1; FIG. 3 is a schematic structural view of the tooth body of FIG. 1; FIG. 4 is a schematic view of the construction of the pull head of FIG. 1; FIG. 5 is a schematic view of an alternate angle configuration of the pull head of FIG. 4; FIG. 6 is an exploded view of the pull head of FIG. 4; FIG. 7 is a schematic structural view of a second embodiment of the slide fastener of the present invention; FIG. 8 is a schematic view of the construction of the pull head of FIG. 7; FIG. 9 is an exploded view of the pull head of FIG. 7; FIG. 10 is a schematic bottom view of FIG. 7; FIG. 11 is a schematic structural view of a third embodiment of a slide fastener of the present invention; FIG. 12 is a schematic view of the structure of the tooth body of FIG. 11; FIG. 13 is a schematic view of the construction of the pull head of FIG. 11; FIG. 14 is a schematic view of an alternate angle configuration of the pull head of FIG. 11; fig. 15 is a schematic structural view of a fourth embodiment of the slide fastener according to the present invention.

The utility model provides a chain tooth, including chain tooth body 1, the both sides of chain tooth body 1 all are equipped with the meshing head 11 that is used for the meshing, and the terminal surface of chain tooth body 1 is equipped with two first guide rail grooves 12 that run through chain tooth body 1, make pull head 7 pass to the pull head 7 control meshing head 11 interlock that makes pass first guide rail groove 12 or open.

As shown in fig. 3, the engagement head 11 located at the most head portion of both sides of the fastener element body 1 can be engaged with a common tooth, that is, the middle cloth tape 6 and the both side cloth tapes can be connected together by engagement. The lower end surface of the zipper tooth body 1 is provided with two first guide rail grooves 12, and the first guide rail grooves 12 can be used with a matched puller 7 so as to fix the matched puller 7 on the zipper tooth and the cloth tape and facilitate the puller 7 to slide on the zipper tooth body 1.

The utility model provides a chain tooth, including chain tooth body 1, 1 both sides of chain tooth body all are equipped with meshing head 11, therefore, a strap that is equipped with this chain tooth body 1 can carry out the interlock with two straps that are equipped with ordinary tooth simultaneously, can arrange the form of two ordinary chains through a middle chain that is equipped with this chain tooth body 1 promptly, satisfy the needs of installing two zippers simultaneously, two strap overlapping's in the middle of having avoided problem each other, the space that so occupy of installing two zippers has been reduced, the in-process difficulty of making up has been reduced, the installation flow of zip fastener has also been simplified.

In addition to the above embodiments, in consideration of the specific form of fixing the element body 1 to the tape, it is preferable that the element body 1 is provided with a rib hole 13 through which the element body is inserted and a tape slot 14 penetrating the rib hole 13 and the end face of the element body 1, and the rib hole 13 has a diameter larger than the width of the tape slot 14 so that the element body 1 is fixed to the tape by the rib hole 13 and the tape slot 14.

Wherein, the area muscle hole 13 matches the area muscle in the strap, can fix the orderly arranging of chain tooth body 1 on the strap. As shown in fig. 2, the tape and the tape rib 61 can be fixed perpendicular to the upper end face of the fastener element body 1, and the fastener element body 1 is firmly fixed perpendicular to the tape and the tape rib 61, so that the fastener element body 1 and the tape form a T-shaped chain to be matched with the common teeth on both sides.

In addition to the above embodiments, in order to improve the appearance of the fastener element body 1, it is preferable that the tape grooves 14 and the first rail grooves 12 be provided on the lower end surface of the fastener element body 1. In this embodiment, the tape distribution groove 14 and the first guide rail groove 12 are both provided on the lower end surface of the element body 1 to maintain the flatness of the upper end surface of the element body 1, and the upper end surface of the element body 1 is exposed to the outer surface when used, thereby improving the overall slide fastener.

On the basis of the above embodiment, as a preferable mode, the length direction of the tape slot 14 is parallel to the length direction of the first guide rail slot 12, and the fastener element body 1 is symmetrical along the center plane where the center line of the tape slot 14 and the center line of the ribbed hole 13 are located. In this embodiment, the entire fastener element body 1 is of a symmetrical structure, thereby facilitating processing.

In addition to above-mentioned chain element, the utility model also provides a zipper, including the first strap 4 that is equipped with first chain element 2, be equipped with the middle strap 6 of chain element body 1 in the arbitrary embodiment of the aforesaid and be equipped with the second strap 5 of second chain element 3, first chain element 2 and second chain element 3 cooperate the meshing with the meshing head 11 of chain element body 1 both sides respectively, still including being used for with the cooperation of chain element body 1, in order to control the relative first chain element 2 of chain element body 1 and/or the interlock of second chain element 3 or detached pull head 7.

As shown in fig. 1, when the slider 7 is pulled, two common teeth can be simultaneously engaged with or separated from the element body 1, and two slide fasteners can be controlled by one slider 7.

The utility model provides a zipper has above-mentioned chain tooth body 1, set up above-mentioned chain tooth body 1 on middle strap 6, still include with first chain tooth 2 of chain tooth body 1 matched with and second chain tooth 3 on middle strap 6, first chain tooth 2 is ordinary tooth with second chain tooth 3, first chain tooth 2 sets up respectively on first strap 4 and the second strap 5 of both sides with second chain tooth 3, through the pull head 7 with chain tooth body 1 is supporting, steerable chain tooth body 1 and first chain tooth 2 and/or second chain tooth 3 interlock or part to solve the inconvenient problem of two sets of zip fastener installations.

As shown in fig. 4, in the first embodiment of the slider 7 used in cooperation with the fastener element body 1, the slider 7 includes a first lower cover 72, a second lower cover 73, a first upper cover 71 having first curved protrusions 711 on both sides thereof, a first movement 74 provided between the first lower cover 72 and the first upper cover 71, and a second movement 75 provided between the second lower cover 73 and the first upper cover 71;

the adjacent sides of the first lower cover plate 72 and the second lower cover plate 73 are provided with a first linear bulge 725 matched with the guide rail groove, and the other sides of the first lower cover plate 72 and the second lower cover plate 73 are provided with a second curved bulge 734 just opposite to the first curved bulge 711;

the first movement 74 and the second movement 75 are both planes on one side close to the first linear protrusion 725, so that a linear channel for guiding the zipper tooth body 1 to pass through is formed between each of the first movement 74 and the second movement 75 and the first linear protrusion 725;

the first core 74 and the second core 75 are both curved surfaces on the side close to the second curved protrusion 734, so that a curved channel for guiding the first fastener element 2 or the second fastener element 3 to open or engage with the fastener element body 1 is formed between the first core 74, the second core 75 and the second curved protrusion 734.

As shown in fig. 4, in the first embodiment relating to the slider 7, the slider 7 is constituted by a first upper cover 71, a first lower cover 72, a second lower cover 73, a first movement 74, and a second movement 75.

Two first curved protrusions are formed at both sides of the first upper cover 71, and the first curved protrusions 711 are formed to be caught at outer sides of the teeth for fixing the slider 7 and have a function of opening or closing the teeth. The first upper cover 71 is connected to the first movement 74 and the second movement 75, respectively.

The first lower cover 72 has a first curved protrusion on the left side thereof for fixing the slider 7 to the teeth and has a function of opening or closing the teeth. The right side has a first linear projection 725 for fixing the slider 7 to the element, and the first linear projection is engaged with the first rail groove 12 on the right side of the element body 1, slides in the first rail groove 12 on the right side, and the first lower cover plate 72 is connected to the first core 74 at the center.

The second lower cover 73 has a first curved protrusion on the right side thereof for fixing the slider 7 to the teeth and has a function of opening or closing the teeth. The second lower cover plate 73 has a flat protrusion on the left side thereof for fixing the slider 7 to the element, and is engaged with the left first rail groove 12 of the element body 1 to slide in the left first rail groove 12. The second lower cover 73 is interconnected with the second cartridge 75 in the middle.

The first movement 74 is connected between the first upper cover plate 71 and the first lower cover plate 72, and controls the opening and closing between the chain element body 1 and the first chain element 2, and the inner side of the first movement 74 presents a straight line, which is beneficial for the chain element body 1 to smoothly pass through.

The first movement 74 is connected between the first upper cover plate 71 and the second lower cover plate 73, is a part for connecting the first upper cover plate 71 and the second lower cover plate 73, and has a function of opening or closing teeth, the outer side of the second movement 75 is arc-shaped, which is beneficial for opening and closing between the zipper tooth body 1 and common teeth, and the inner side of the second movement 75 is straight, which is beneficial for the zipper tooth body 1 to smoothly pass through.

When the zipper is used, the first linear protrusions 725 on the first lower cover plate 72 and the second lower cover plate 73 are respectively matched with the first guide rail grooves 12 on the zipper element body 1, and when the zipper is pulled, the opening or closing of the two groups of zippers can be controlled simultaneously.

In addition to the above embodiments, it is preferable that one side of the first lower cover 72, the first movement 74 and the first upper cover 71 constitutes a first pull body, the other side of the second lower cover 73, the second movement 75 and the first upper cover 71 constitutes a second pull body, and the opening and closing directions of the first pull body and the second pull head 7 are the same or opposite.

As shown in fig. 1, in the case that the opening and closing directions of the first slider and the second slider 7 are the same, when the slider 7 is pulled, two common teeth and the zipper teeth can be separated or closed simultaneously in one direction.

As shown in fig. 7, in the case where the opening and closing directions of the first slider and the second slider 7 are opposite to each other, when the slider 7 is pulled, the first element 2 and the element body 1 can be separated in one direction, and the second element 3 and the element body 1 can be engaged with each other. When moving in the other direction, the first element 2 can be engaged with the element body 1 and the second element 3 can be separated from the element body 1.

When the slider 7 moves leftward as shown in fig. 7, the first element 74 and the second element 75 of the slider 7 move outward and separate from the intermediate element body 1 by being guided by the first element 74, and the second element 3 moves inward and engages with the intermediate element body 1 by being guided by the second element 75. When the slider 7 moves rightward, the first element 2 moves inward by being guided by the first movement 74 to engage with the intermediate element, and the second element 3 moves outward by being guided by the second movement 75 to separate from the intermediate element body 1.

As shown in fig. 12, in the second embodiment of the slider 7 used in cooperation with the element body 1, two first rail grooves 12 are provided on the lower end surface of the element body 1, and two second rail grooves 15 are provided on the upper end surface of the element body 1 so as to face the first rail grooves 12.

As shown in fig. 13, the slider 7 includes a second upper cover plate 701, a third lower cover plate 702, and a third deck 703 provided between the second upper cover plate 701 and the third lower cover plate 702; a second linear protrusion 7011 is arranged on one side of the second upper cover plate 701, the second linear protrusion 7011 is used for being matched with the guide rail groove on the upper end face, and a third curved protrusion 7012 is arranged on the other side of the second upper cover plate 701;

a third linear protrusion 7021 which is opposite to the second linear protrusion 7011 is arranged on one side of the third lower cover plate 702, the third linear protrusion 7021 is used for being matched with the guide rail groove on the lower end face, and a fourth curved protrusion 7022 which is opposite to the third curved protrusion 7012 is arranged on the other side of the third lower cover plate 702; one side of the third movement 703, which faces the second linear protrusion and the third linear protrusion 7021, is a plane, so that a linear channel for guiding one side of the fastener body 1 to pass through is formed between the third movement 703 and the second linear protrusion 7011 and between the third linear protrusion 7021;

one side of the third movement 703 facing the third curved protrusion and the fourth curved protrusion 7022 is a curved surface, so that a curved channel for guiding the first fastener element 2 or the second fastener element 3 to open or engage with the fastener element body 1 is formed between the third movement 703 and the third curved protrusion 7012 and the fourth curved protrusion 7022.

As shown in fig. 12, in this embodiment, two second guide rail grooves 15 are added to the fastener element body 1, and the two second guide rail grooves 15 are opposite to the two first guide rail grooves 12, that is, the projection of the second guide rail grooves 15 on the lower end surface of the fastener element body 1 is overlapped with the first guide rail grooves 12, so as to match with the slider 7 in the second embodiment.

As shown in fig. 13, in the second embodiment of the slider 7, the slider 7 includes a second upper cover plate 701, a third lower cover plate 702, and a third movement 703 provided between the second upper cover plate 701 and the third lower cover plate 702; the slider 7 in this embodiment has the structural characteristics of small radian at one side and large radian at the other side, and is suitable for a structure with small space at one side and large space at the other side.

One side of the second upper cover plate 701 is provided with a downward third curved protrusion, and the other side of the second upper cover plate 701 is provided with a downward second linear protrusion 7011 for fixing the slider 7 to the teeth and having a function of opening or closing the teeth. Second upper cover 701 is coupled to third deck 703.

The third lower cover 702 has an upward fourth curved protrusion on one side for fixing the slider 7 to the teeth, and an upward third linear protrusion 7021 on the other side for fixing the slider 7 to the teeth and having a function of opening or closing the teeth. The middle of third lower cover 702 is connected to third deck 703.

The second linear protrusion 7011 and the third linear protrusion 7021 are respectively matched with the first guide rail groove 12 and the second guide rail groove 15 on the same side, and slide in the first guide rail groove 12 and the second guide rail groove 15 on one side.

The third movement 703 is a part connecting the second upper cover plate 701 and the third lower cover plate 702, and has a function of opening or closing teeth, the outer side of the movement is arc-shaped, which is helpful for opening and closing between the chain element body 1 and the first chain element 2 or the second chain element 3, and the inner side is straight, which is beneficial for the chain element body 1 to pass smoothly.

For the slider 7 provided in the present embodiment, there are two use-fit types:

as shown in fig. 11, the first matching method is that two sliders 7 are arranged in the same direction, and the opening and closing directions of the two sliders 7 are the same.

As shown in fig. 15, the second matching method is that two sliders 7 are arranged in the same direction, and the opening and closing directions of the two sliders 7 are opposite.

On the basis of the above embodiment, the slider 7 preferably includes a pull body, a cap 76, and a pull tab 77 provided between the pull body and the cap 76, which are coupled. That is, in this embodiment, the slider 7 is not provided with a self-locking device.

In addition to the above embodiments, the slider 7 preferably further includes an elastic piece 78 and a hook 79 for self-locking, which are disposed between the cap 76 and the pulling body. That is, in this embodiment, the slider 7 is provided with a self-locking device. Specifically, as shown in fig. 6 and 9, a protrusion is formed in the middle of the first upper cover plate 71, and a hole penetrating through the upper cover plate is formed in the middle of the protrusion for placing the hook 79 and fixing the cap.

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 zipper and the zipper teeth thereof provided by the utility model are described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The zipper element is characterized by comprising a zipper element body (1), meshing heads (11) used for meshing are arranged on two sides of the zipper element body (1), two first guide rail grooves (12) penetrating through the zipper element body (1) and enabling a pull head (7) to penetrate through are formed in the end face of the zipper element body (1), and therefore the pull head (7) penetrating through the first guide rail grooves (12) controls the meshing heads (11) to be meshed or opened.

2. The fastener element according to claim 1, wherein the fastener element body (1) is provided with a rib hole (13) through which the fastener element body passes, and a tape distribution groove (14) which passes through the rib hole (13) and an end surface of the fastener element body (1), and a diameter of the rib hole (13) is larger than a width of the tape distribution groove (14) so as to fix the fastener element body (1) to the tape distribution groove (14) through the rib hole (13).

3. The fastener element according to claim 2, wherein the tape distribution groove (14) and the first guide rail groove (12) are provided on a lower end surface of the fastener element body (1).

4. The fastener element according to claim 2 or 3, wherein the length direction of the tape distribution groove (14) is parallel to the length direction of the first guide rail groove (12), and the fastener element body (1) is symmetrical to the center plane of the center line of the bead hole (13) along the center line of the tape distribution groove (14).

5. A slide fastener characterized by comprising a first tape (4) provided with a first element (2), an intermediate tape (6) provided with the element body (1) according to any one of claims 1 to 4, and a second tape (5) provided with a second element (3), the first element (2) and the second element (3) being respectively brought into mating engagement with the engaging heads (11) on both sides of the element body (1), and a slider (7) for controlling the element body (1) to be engaged with or separated from the first element (2) and/or the second element (3).

6. The slide fastener according to claim 5, wherein the slider (7) comprises a first lower cover plate (72), a second lower cover plate (73), a first upper cover plate (71) provided with first curved protrusions (711) on both sides thereof, respectively, a first movement (74) provided between the first lower cover plate (72) and the first upper cover plate (71), and a second movement (75) provided between the second lower cover plate (73) and the first upper cover plate (71);

the adjacent sides of the first lower cover plate (72) and the second lower cover plate (73) are respectively provided with a first linear bulge (725) matched with the first guide rail groove (12), and the other sides of the first lower cover plate (72) and the second lower cover plate (73) are respectively provided with a second curved bulge (734) opposite to the first curved bulge (711);

the first movement (74) and the second movement (75) are both planes on one side close to the first linear protrusion (725), so that a linear channel for guiding the zipper tooth body (1) to pass through is formed between the first movement (74) and the first linear protrusion (725) and between the second movement (75) and the first linear protrusion (725);

the first movement (74) and the second movement (75) are both curved surfaces on one side close to the second curved protrusion (734), so that a curved channel for guiding the first zipper element (2) or the second zipper element (3) to open or engage with the zipper element body (1) is formed between the first movement (74) and the second movement (75) and the second curved protrusion (734).

7. The zipper according to claim 6, wherein one side of the first lower cover plate (72), the first movement (74) and the first upper cover plate (71) form a first pulling body, the other side of the second lower cover plate (73), the second movement (75) and the first upper cover plate (71) form a second pulling body, and the opening and closing directions of the first pulling body and the second pulling body are the same or opposite.

8. The slide fastener according to claim 5, wherein two first guide rail grooves (12) are provided on the lower end surface of the element body (1), and two second guide rail grooves (15) facing the first guide rail grooves (12) are provided on the upper end surface of the element body (1);

the slider (7) comprises a second upper cover plate (701), a third lower cover plate (702) and a third movement (703) arranged between the second upper cover plate (701) and the third lower cover plate (702);

a second linear protrusion (7011) is arranged on one side of the second upper cover plate (701), the second linear protrusion (7011) is used for being matched with the second guide rail groove (15), and a third curved protrusion (7012) is arranged on the other side of the second upper cover plate (701);

a third linear protrusion (7021) which is opposite to the second linear protrusion (7011) is arranged on one side of the third lower cover plate (702), the third linear protrusion (7021) is used for being matched with the first guide rail groove (12), and a fourth curved protrusion (7022) which is opposite to the third curved protrusion (7012) is arranged on the other side of the third lower cover plate (702);

one side of the third movement (703) facing the second linear protrusion and the third linear protrusion (7021) is a plane, so that a linear channel for guiding the zipper tooth body (1) to pass through is formed between the third movement (703) and the second linear protrusion (7011) and the third linear protrusion (7021);

one side of the third movement (703) facing the third curve protrusion and the fourth curve protrusion (7022) is a curved surface, so that a curve channel for guiding the first zipper element (2) or the second zipper element (3) to open or engage relative to the zipper element body (1) is formed between the third movement (703) and the third curve protrusion (7012) and the fourth curve protrusion (7022).

9. A zipper according to any one of claims 6 to 8, wherein the slider (7) comprises a cooperatively connected slider, a cap (76), and a pull tab (77) provided between the slider and the cap (76).

10. A zipper according to claim 9, wherein the slider (7) further comprises a spring (78) and a hook (79) for self-locking, provided between the cap (76) and the slider body.

Images