CN211065274U

CN211065274U - Zipper and press unlocking type pull head thereof

Info

Publication number: CN211065274U
Application number: CN201921780643.7U
Authority: CN
Inventors: 冯彦; 李安庆
Original assignee: Zhejiang Weixing Industrial Development Co Ltd
Current assignee: Zhejiang Weixing Industrial Development Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-24
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a zip fastener and press unblock formula pull head thereof, wherein press unblock formula pull head include slidable ground cover locate the chain pull head seat, set up in pull head seat cap on the surface, install in the cap and extend to the flexure strip of its tail end, connect in the flexure strip end be used for under natural state with the lock needle piece of chain tooth terminal surface butt in the chain, and set up in pull head seat on the surface, be used for when pressing down with the flexure strip butt so that its elastic deformation extremely the lock needle piece breaks away from right the pressing member of the butt of chain tooth. The utility model provides a press down unblock formula pull head slides from top to bottom owing to no longer adopt the pulling-on piece to pull the mode and slide about the pull head carries out, but adopts and presses the mode of pulling again behind the pressing part, consequently can prevent that the pull head from leading to reverse gliding pine to take off because of the influence that the pulling-on piece rocked, conveniently realizes locking and unblock of pull head on the zip fastener simultaneously.

Description

Zipper and press unlocking type pull head thereof

Technical Field

The utility model relates to a zip fastener technical field, in particular to press unblock formula pull head. The utility model discloses still relate to a zip fastener.

Background

With the advent of apparel design, a wide variety of apparel has been put into production.

The functional accessories and ornaments used on the clothes are different according to different clothes types. The functional accessories commonly used on the clothes mainly comprise zippers, buttons, front-of-garment knots, collar interlinings, elastic bands, waistbands, waist buckles and the like. Taking a zipper as an example, the zipper generally comprises a zipper belt, a zipper chain, an upper stop, a lower stop, a slider and a zipper pull, and the zipper on the two zipper belts is mutually engaged and unlocked by the slider sliding up and down between the upper stop and the lower stop on the zipper chain. The lower stop is generally divided into a lower stop lock block and a lower stop bolt, the lower stop lock block is generally fixed at the bottom of one chain belt, the lower stop bolt is generally fixed at the bottom of the other chain belt, and the two chains can be engaged through the insertion and matching of the lower stop bolt and the lower stop lock block, and meanwhile, the lower stop lock block is also the starting point of the zipper. The top stops are typically fixed to the top of the two stringers and stop when the slider is pulled to the top stops.

At present, in the zipper products in the market, the pull heads can slide up and down on the zipper belts, but under certain conditions, such as cold weather, the pull heads are often required to be stopped at higher positions on the zipper belts so as to prevent wind and keep warm, or when the jacket is connected with a hat through the zipper, the pull heads are often required to be stopped at the upper stop positions so as to ensure the stable connection of the hat and the jacket. However, in daily activities of people, due to the continuous influence of external force, the slider slides down in the reverse direction even after being pulled to the upper stop position, so that the zipper is gradually loosened and loosened, and finally slides to the lower stop position, and the slider is difficult to be kept in a fixed position continuously and stably.

Meanwhile, a pull tab is generally provided on the slider, and the pull tab is generally mounted on a cap of the slider in an externally-hanging manner. In daily use, along with people's activity, the pulling-on piece can produce at any time and rock on the pull head, often produces the phenomenon that the lacquer was fallen in friction on the cap of pull head in the past this long time to when the pulling-on piece rocked seriously, can injure user's skin, drive the pull head reverse slip even, cause the zip fastener to open the chain unconsciously.

Therefore, how to prevent the slider from sliding and loosening in the reverse direction due to the shaking influence of the pull piece and conveniently realize the locking and unlocking of the slider on the zipper is a technical problem faced by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a press down unblock formula pull head can prevent that the pull head from leading to reverse gliding pine to take off because of the influence that the pulling-on piece rocked, conveniently realizes locking and unblock of pull head on the zip fastener simultaneously. Another object of the present invention is to provide a slide fastener.

In order to solve the technical problem, the utility model provides a press unblock formula pull head, including slidable ground cover locate the chain on the pull head seat, set up in pull head seat cap on the surface, install in the cap and extend to the flexure strip of its tail end, connect in the flexure strip end be used for under natural state with the lock needle piece of chain tooth terminal surface butt in the chain, and set up in pull head seat on the surface, be used for when pressing down with the flexure strip butt so that its elastic deformation extremely the lock needle piece breaks away from right the pressing piece of the butt of chain tooth.

Preferably, the surface front end of the pull head seat is provided with a mounting groove, the elastic sheet comprises a front end plate and an elastic bending plate which is connected with the front end plate and can be elastically deformed vertically, the front end plate is tightly pressed and mounted on the bottom surface of the mounting groove, the elastic bending plate is accommodated in the inner space of the cap, and the locking pin sheet is connected to the tail end of the elastic bending plate.

Preferably, the front end plate is connected to the head end of the elastic bending plate along the horizontal direction, and the latch pin piece is connected to the tail end of the elastic bending plate along the vertical direction.

Preferably, the lock pin piece is a wedge piece inserted into a gap between two adjacent zipper teeth.

Preferably, the pressing piece comprises elastic pressing plates symmetrically arranged on two sides of the surface of the pull head seat, wedge-shaped protruding blocks used for being abutted against the bottom surface of the elastic bending plate are arranged on the inner wall surface of each elastic pressing plate, and the heights of the wedge-shaped protruding blocks are gradually increased from inside to outside along the transverse direction.

Preferably, the surface of each wedge-shaped bump is a smooth arc-shaped surface.

Preferably, the wedge-shaped protruding block is arranged at the tail end of the elastic pressing plate, and a fixed mounting block which is used for being mounted in a matched manner with the mounting groove and simultaneously pressing the front end plate is arranged at the head end of the elastic pressing plate.

The utility model also provides a zipper, including the chain belt with set up in the unlocking formula pull head is pressed on the chain belt, wherein, press down the unlocking formula pull head and specifically be above-mentioned arbitrary one press down unlocking formula pull head.

The utility model provides a press unblock formula pull head mainly includes pull head seat, cap, flexure strip, lock needle piece and pressing member. The zipper is characterized in that the zipper head seat is a bottom layer main body structure of the zipper head, can be sleeved on the chain in a sliding mode, and can slide up and down on the chain so as to close or open the zipper. The cap is arranged on the surface of the pull head seat and is mainly used as an installation and accommodation space for the elastic sheet and the pressing piece. The elastic piece is arranged on the surface of the pull head seat and is installed in the inner space of the cap, and the tail end of the elastic piece extends to the tail end of the cap. The lock pin piece is connected to the tail end of the elastic piece, and the elastic piece extends to the tail end of the cap, so that the lock pin piece extends out of the cap and is mainly used for abutting against the side end face of the zipper teeth in the chain, the pull head seat is prevented from continuously moving by acting force generated by mutual abutting, and the pull head seat is locked at the current position. Simultaneously, the pressing piece sets up on the surface of headstock, can supply the user to press the operation, and mainly used produces the butt with the flexure strip when pressing to make the flexure strip produce elastic deformation through the butt effort, and then drive the lock needle piece of connecting at the flexure strip end through this deformation motion and carry out synchronous motion, make the butt that the lock needle piece breaks away from the chain tooth in with the chain, with headstock unblock. Therefore, under the natural state (the elastic sheet is not deformed), the zipper head seat is locked at the current position on the zipper due to the abutting effect of the lock pin sheet and the end face of the zipper teeth, when the zipper head needs to be pulled, the pressing piece only needs to be pressed by fingers, so that the elastic sheet drives the lock pin sheet to be separated from the abutting effect on the end face of the zipper teeth through elastic deformation, and after the zipper head seat is unlocked, the zipper head seat is dragged to slide up and down on the chain through the force application of the fingers. After the puller slides to the expected position, the pressing piece is loosened by fingers, the elastic piece resets under the action of elasticity, and the needle locking piece restores to abut against the end face of the zipper teeth again, so that the puller seat is locked at the current position again. Compared with the prior art, the utility model provides a press down unblock formula pull head slides from top to bottom owing to no longer adopt the pulling-on piece to pull the mode and slide to the pull head, but adopts and presses the mode of pulling again behind the pressing part, consequently can prevent that the pull head from leading to reverse gliding pine to take off because of the influence that the pulling-on piece rocked, conveniently realizes locking and the unblock of pull head on the zip fastener simultaneously.

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 overall structure diagram of a specific embodiment of the present invention.

Fig. 2 is an exploded structural view of fig. 1.

Fig. 3 is a schematic structural diagram of the pull head seat shown in fig. 2.

Fig. 4 is a detailed structural view of the elastic sheet shown in fig. 2.

Fig. 5 is a detailed structural view of the pressing member shown in fig. 2.

Fig. 6 is a schematic view of the structure of the elastic sheet and the pressing member.

Wherein, in fig. 1-6:

a pull head seat-1, a cap-2, an elastic sheet-3, a lock pin sheet-4 and a pressing piece-5;

the mounting groove-101, the through hole-201, the front end plate-301, the elastic bending plate-302, the elastic pressing plate-501, the wedge-shaped convex block-502 and the fixed mounting block-503.

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 and fig. 2, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention, and fig. 2 is an exploded structure diagram of fig. 1.

In a specific embodiment provided by the utility model, the pressing unlocking type pull head mainly comprises a pull head seat 1, a cap 2, an elastic sheet 3, a lock pin sheet 4 and a pressing piece 5.

The slider seat 1 is a bottom layer main body structure of the slider, can be slidably sleeved on the chain and can slide up and down on the chain so as to close or open the zipper. The cap 2 is disposed on the surface of the head base 1, and is mainly used as a mounting and receiving space for the elastic sheet 3 and the pressing member 5.

The elastic member is provided on the surface of the tab base 1 and is installed in the inner space of the cap 2 while the tail end of the elastic piece 3 extends to the tip of the cap 2. The needle locking piece 4 is connected to the tail end of the elastic piece 3, and the elastic piece extends to the tail end of the cap 2, so that the needle locking piece 4 extends out of the cap 2 and is mainly used for abutting against the side end face of the chain tooth in the chain, and the acting force generated by mutual abutting prevents the pull head seat 1 from continuously moving, so that the pull head seat 1 is locked at the current position.

Simultaneously, pressing member 5 sets up on the surface of headstock 1, can supply the user to press the operation, and mainly used produces the butt with flexure strip 3 when pressing to make flexure strip 3 produce elastic deformation through the butt effort, and then drive through this deformation motion and connect and carry out synchronous motion at 3 terminal lock needle pieces 4 of flexure strip, make lock needle pieces 4 break away from with the butt of the chain tooth in the chain, with headstock 1 unblock.

So, under natural state (flexure strip 3 is undeformed), because the butt effect of lock needle piece 4 and chain tooth terminal surface, with the current position department of slider seat 1 locking on the zip fastener, and when needs pulling the pull head, only need press down pressing member 5 with the finger for flexure strip 3 drives lock needle piece 4 through elastic deformation and breaks away from the butt to the chain tooth terminal surface, with slider seat 1 unblock back, drags slider seat 1 through finger application of force simultaneously and slides from top to bottom on the chain. After the slider slides to a desired position, the pressing piece 5 is released by the fingers, the elastic piece is reset under the action of the elastic force, and the locking pin piece 4 is restored to be abutted against the end face of the zipper teeth, so that the slider seat 1 is locked at the current position again.

Compared with the prior art, the press unlocking type pull head provided by the embodiment can prevent the pull head from sliding reversely and loosening due to the fact that the pull head shakes and the pull head is locked and unlocked conveniently on the zipper because the pull head is not dragged up and down by adopting the pull piece dragging mode and the mode of dragging the pull head after the pressing piece 5 is pressed.

As shown in fig. 3, fig. 3 is a specific structural schematic diagram of the pull head seat 1 shown in fig. 2.

In a preferred embodiment with respect to the head base 1, the head base 1 mainly comprises a base body and a mounting groove 101. The seat body is a main body structure of the pull head seat 1, generally an upper-layer structure and a lower-layer structure, and a middle space is used for accommodating the zipper teeth to pass on the chain. The front end of the surface of the seat body is provided with a mounting groove 101, and the mounting groove 101 is mainly used for mounting the elastic sheet 3 and providing a fulcrum for the elastic deformation of the elastic sheet 3. Meanwhile, a cap 2 is provided on the surface of the housing, mainly for mounting and accommodating the elastic sheet 3. All seted up through-hole 201 on each lateral wall of cap 2 for 2 inner space of cap switches on with the external world, and the overall structure of cap 2 more is close to frame construction.

As shown in fig. 4, fig. 4 is a specific structural diagram of the elastic sheet 3 shown in fig. 2.

In a preferred embodiment with respect to the elastic sheet 3, the elastic sheet 3 mainly includes a front end plate 301 and an elastic bending plate 302. The front end plate 301 is mainly used for matching with the mounting groove 101 on the pull head seat 1, and specifically, the front end plate 301 may be attached to the bottom surface of the mounting groove 101 and compressed and fixed by the pressing piece 5 disposed on the surface of the pull head seat 1. Here, preferably, the front end plate 301 may be connected to a front end position of the elastic bending plate 302 in a horizontal direction, and accordingly, the locking pin piece 4 may be connected to a rear end position of the elastic bending plate 302 in a vertical direction since it is used to abut against a side end surface of the fastener element.

Meanwhile, the elastic bending plate 302 may be an arc-shaped bending plate structure integrally, and is connected to the front end plate 301 through the arc-shaped bending structure, so that the elastic bending plate has elasticity in the vertical direction and can swing vertically when being stressed. Specifically, the elastic bending plate 302 is integrally accommodated in the inner space of the cap 2, and when the pressing piece 5 is pressed, the corresponding pressure can be applied to the elastic bending plate 302 through the through hole 201 formed in the sidewall of the cap 2, so that the elastic bending plate 302 is caused to elastically deform and swing in the vertical direction in the space of the cap 2.

In a preferred embodiment of the pin locking piece 4, the pin locking piece 4 may be a thin wedge-shaped piece with a tapered end, and can be easily inserted into a gap between two adjacent teeth in the chain.

As shown in fig. 5, fig. 5 is a detailed structural schematic view of the pressing member 5 shown in fig. 2.

In a preferred embodiment of the pressing member 5, the pressing member 5 mainly includes two elastic pressing plates 501 symmetrically disposed at two sides of the surface of the tab seat 1, and a fixed mounting block 503 and a wedge-shaped protrusion 502 disposed at the front end of each elastic pressing plate 501.

The elastic pressing plate 501 is integrally formed in a long strip shape, and the thickness of the end of the elastic pressing plate is large, so that a user can conveniently press and apply force. Meanwhile, the elastic pressing plate 501 has elasticity, and can elastically deform and swing laterally to some extent when a user presses the end thereof. When a user presses, the user can pinch the elastic pressing plates 501 on the left side and the right side of the tab holder 1 by a thumb and a forefinger at the same time, and then apply force inwards to press, so that the elastic pressing plates 501 on the two sides can both deform and swing inwards.

The wedge-shaped protrusion 502 is provided on an inner sidewall of a distal end of the elastic pressing plate 501 to be synchronously swung in accordance with the swing of the elastic pressing plate 501. It is important that the height dimension of the wedge-shaped projection 502 is not uniform in the lateral direction (the longitudinal direction is the length direction of the link belt), the height of the inner side surface thereof is the lowest, and the height of the outer side surface (the surface connected to the inner wall of the elastic pressing plate 501) is the highest, and the cross section thereof is wedge-shaped. Meanwhile, as shown in fig. 6, the surface of the wedge-shaped projection 502 abuts against the bottom surface of the elastic bending plate 302 of the elastic sheet 3, when the elastic pressing plate 501 is not pressed, the bottom surface of the elastic bending plate 302 abuts against the inner side surface of the wedge-shaped projection 502, the height of the wedge-shaped projection 502 at this position is the lowest, and the elastic bending plate 302 is not vertically jacked up and is in a natural state; when elasticity is pressed according to clamp plate 501 and is pressed, wedge lug 502 is along with elasticity is pressed according to clamp plate 501 and is swung inwards, and the bottom surface of elasticity bent plate 302 and wedge lug 502's surface butt position this moment changes, and the butt position moves to wedge lug 502's outside gradually promptly to make the height of butt position more and more high, and then jack up elasticity bent plate 302 gradually, be in vertical deformation state. Correspondingly, along with the vertical deformation of the elastic bending plate 302, the lock pin sheet 4 connected to the tail end of the elastic bending plate synchronously moves vertically, so that the side end face of the zipper teeth is separated, and the unlocking of the pull head is completed; on the contrary, when the user releases the pressing of the elastic pressing plate 501, the elastic pressing plate 501 and the wedge-shaped protrusion 502 are reset by the elastic force, and the elastic bending plate 302 and the locking pin 4 are reset accordingly, so as to lock the slider again.

Further, the surface of wedge-shaped projection 502 specifically can be smooth arcwall face to when the bottom surface of elastic bending plate 302 and the surface of wedge-shaped projection 502 mutually support, reduce friction and wearing and tearing between the two, simultaneously, wedge-shaped projection 502 can produce relative displacement with the bottom surface of elastic bending plate 302 more smoothly when carrying out lateral swinging along with elastic pressing plate 501.

The fixed mounting block 503 is disposed at the head end of the elastic pressing plate 501, and can be mounted in cooperation with the mounting groove 101 formed on the surface of the head holder 1, so as to press the front end plate 301 of the elastic sheet 3 attached in the mounting groove 101. Meanwhile, the bending structure between the fixed mounting block 503 and the elastic pressing plate 501 can also tightly hook the upright post of the cap 2, so that the mounting stability of the fixed mounting block 503 in the mounting groove 101 is enhanced, and a stable elastic fulcrum is provided for the transverse elastic deformation and swing of the elastic pressing plate 501.

The embodiment also provides a zipper, which mainly comprises a zipper belt and a pressing unlocking type slider arranged on the zipper belt, wherein the main content of the pressing unlocking type slider is the same as the related content, and the details are not repeated herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The push unlocking type pull head is characterized by comprising a pull head seat (1) which is slidably sleeved on a chain, a cap (2) arranged on the surface of the pull head seat (1), an elastic sheet (3) which is arranged in the cap (2) and extends to the tail end of the cap, a lock pin sheet (4) which is connected to the tail end of the elastic sheet (3) and used for being abutted against the end face of a zipper tooth in the chain in a natural state, and a push piece (5) which is arranged on the surface of the pull head seat (1) and used for being abutted against the elastic sheet (3) when being pressed so as to enable the lock pin sheet (4) to be elastically deformed to be separated from the abutment against the zipper tooth.

2. The press unlocking type slider according to claim 1, wherein the front end of the surface of the slider base (1) is provided with a mounting groove (101), the elastic piece (3) comprises a front end plate (301) and an elastic bending plate (302) which is connected with the front end plate and can be elastically deformed vertically, the front end plate (301) is tightly pressed and mounted on the bottom surface of the mounting groove (101), the elastic bending plate (302) is accommodated in the inner space of the cap (2), and the lock pin piece (4) is connected to the tail end of the elastic bending plate (302).

3. The push-to-unlock slider according to claim 2, wherein the front end plate (301) is connected to the head end of the elastic bending plate (302) in the horizontal direction, and the latch blade (4) is connected to the tail end of the elastic bending plate (302) in the vertical direction.

4. The push-to-unlock slider according to claim 3, characterized in that said latch blade (4) is embodied as a wedge-shaped blade for insertion into a gap between two adjacent elements.

5. The press unlocking type slider as claimed in any one of claims 2 to 4, wherein the pressing piece (5) comprises elastic pressing plates (501) symmetrically arranged at two sides of the surface of the slider base (1), and a wedge-shaped projection (502) for abutting against the bottom surface of the elastic bending plate (302) is arranged on the inner wall surface of each elastic pressing plate (501), and the height of the wedge-shaped projection (502) increases from inside to outside along the transverse direction.

6. Press unlocking slider according to claim 5, characterised in that the surface of each wedge-shaped projection (502) is a smooth arc-shaped surface.

7. The push unlocking slider according to claim 6, characterized in that the wedge-shaped projection (502) is provided at a terminal position of the elastic pressing plate (501), and a fixed mounting block (503) for fitting with the mounting groove (101) and simultaneously pressing the front end plate (301) is provided at a head end position of the elastic pressing plate (501).

8. A slide fastener comprising a stringer and a push-to-unlock slider provided on the stringer, wherein the push-to-unlock slider is the push-to-unlock slider of any of claims 1-7.