CN107647535B

CN107647535B - Pull head

Info

Publication number: CN107647535B
Application number: CN201711091543.9A
Authority: CN
Inventors: 蒋赉
Original assignee: Zhejiang Xinhong Slide Fastener Co ltd
Current assignee: ZHEJIANG XINHONG SLIDE FASTENER Co.,Ltd.
Priority date: 2017-11-08
Filing date: 2017-11-08
Publication date: 2020-04-17
Anticipated expiration: 2037-11-08
Also published as: CN107647535A

Abstract

The invention provides a slider. The structure that it had solved current pull head is too simple, and unable quick locking is on the chain tooth during the use, and theftproof effect subalternation technical problem. This pull head, including the zipper seat, the zipper seat includes upper cover plate, lower apron and core, and the upper cover plate links to each other through core and lower apron, and the pull head still includes pulling-on piece, screw rod, bearing and locking block, and the upper portion of upper cover plate has convex installation department, and screw rod threaded connection is on the installation department, and bearing inner circle and screw rod lower extreme link to each other, and bearing inner race and locking block link to each other, and the locking block is located the zipper seat, and the pulling-on piece setting is in the screw rod upper end, and the pulling-on piece is located outside the zipper seat. The invention has the advantage of good anti-theft effect.

Description

Pull head

Technical Field

The invention belongs to the technical field of zippers, and relates to a pull head.

Background

Slide fasteners are connecting members for joining or separating articles by means of continuously arranged fastener elements, and are widely used for clothing, bags, tents, and the like. 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. The fastener elements are key parts, and directly determine the side pull strength of the zipper. 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. The zipper teeth at two sides are clamped by the pull head, and the zipper teeth at two sides can be mutually meshed or separated by sliding the pull tab.

Through search, for example, chinese patent document discloses a zipper slider [ application number: 201020632267. X; publication No.: CN 201860935U ]. The zipper puller comprises a bottom head, a spring needle, a pulling piece and a cap which are sequentially assembled in a nested manner, wherein a front convex part is arranged at the front part of the upper end surface of the bottom head, a rear convex part is arranged at the rear part of the upper end surface of the bottom head, a hinge hole is arranged on the front convex part, a groove is arranged in the longitudinal direction of the rear convex part, and a bayonet is arranged at the rear end of the rear convex part; the spring needle is arranged in the groove, a concave part is arranged in the middle of the cap, the concave part is assembled and matched with the pulling piece, a clamping piece is arranged at the rear end of the cap, the clamping piece is in movable fit with the bayonet buckle, the rear part of the cap extends downwards to form a locking needle, inner hinge protrusions are arranged on two side walls of the front part of the cap and correspond to hinge holes of the front protrusion part, and the inner hinge protrusions are in hinged fit with the hinge holes.

Although the slider disclosed in this patent can improve the overall strength, the slider is too simple in structure to be locked to the fastener elements quickly in use, and has a poor anti-theft effect.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a pull head which has the characteristic of good anti-theft effect.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a pull head, includes the zipper seat, its characterized in that, the zipper seat includes upper cover plate, lower apron and core, and the upper cover plate links to each other through core and lower apron, and the pull head still includes pulling-on piece, screw rod, bearing and locking block, and the upper portion of upper cover plate has convex installation department, and screw rod threaded connection is on the installation department, and bearing inner circle and screw rod lower extreme link to each other, and bearing outer lane and locking block link to each other, and the locking block is located the zipper seat, and the pulling-on piece sets up in the screw rod upper end, and the pulling-on piece is located outside the zipper seat.

By adopting the structure, the screw rod is driven to rotate by the pulling piece, the screw rod enables the locking block to move downwards through the bearing, and the locking block and the zipper teeth on the zipper are abutted to position the zipper seat, so that the zipper can be prevented from being accidentally pulled open, and the anti-theft effect is good.

The locking block is made of nylon or polyurethane.

By adopting the materials, the locking block has better wear resistance.

The locking block is provided with a plurality of anti-skid columns, and the height of each anti-skid column is 0.8-1.2 mm.

By adopting the structure, the friction force of the locking block can be increased through the anti-slip column, and accidental slipping during locking is avoided.

The zipper seat is also provided with a fluorescent coating, and the thickness of the fluorescent coating is 100-160 mu m.

By adopting the structure, the zipper base can emit light at night through the fluorescent coating, so that the zipper head can be conveniently and quickly found.

The oil storage cavity is formed in the support core, the sponge column is arranged at the oil storage cavity, lubricating oil is arranged in the sponge column, mounting holes communicated with the oil storage cavity are formed in two sides of the support core, elastic extrusion pieces capable of sealing the mounting holes are fixed on the support core, and a plurality of oil outlet holes used for outputting the lubricating oil are formed in the extrusion pieces.

By adopting the structure, in the process that the zipper teeth are pulled by the pull head, the zipper teeth enable the extrusion piece to deform, the extrusion piece extrudes the sponge column, and lubricating oil in the sponge column is output to the zipper teeth from the oil outlet, so that the zipper teeth are convenient to lubricate.

An oil filling hole communicated with the oil storage cavity is further formed in the supporting core, and a sealing plug is arranged at the oil filling hole.

By adopting the structure, lubricating oil can be supplemented to the oil storage cavity through the oil injection hole.

The pulling piece comprises a first piece body, a second piece body, a first limiting rod, a second limiting rod, a connecting ring, a limiting block and a pressing block, wherein the connecting ring is arranged at the upper end of the screw rod in an axially fixed and circumferential rotating mode, one end of the first piece body is connected with the connecting ring, the other end of the first piece body is hinged with one end of the second piece body through a first rotating shaft, the other end of the second piece body is an operating end, a convex quincuncial head is further arranged at the upper end of the screw rod, a first guide hole is formed in the first piece body, the first limiting rod is arranged in the first guide hole in a penetrating mode, a second guide hole is formed in the second piece body, the second limiting rod is arranged in the second guide hole in a penetrating mode, a sliding groove communicated with the second guide hole is further formed in the operating part, the pressing block is arranged in the sliding groove in a sliding mode, one end of the first limiting rod is connected with the limiting block, a quincuncial groove matched with the quin, the other end of the second limiting rod is connected with the pressing block through a spring.

When the screw rod needs to be rotated, the second sheet body swings, the second sheet body and the first sheet body are located on the same straight line, the press block is pressed downwards, the spring is compressed through the press block, the second limiting rod moves towards the position close to the zipper seat, the second limiting rod drives the first limiting rod to move towards the position close to the zipper seat, the quincuncial groove of the limiting block is made to be in contact with the quincuncial head on the screw rod, meanwhile, one end of the second limiting rod is located in the first guide hole of the first sheet body, the second sheet body cannot rotate relative to the first sheet body, the first sheet body is driven to rotate through the second sheet body, the first sheet body drives the connecting ring to rotate, the connecting ring drives the screw rod to rotate, the locking block can be prevented from being easily unlocked, and safety is.

Still have elastic seal cover between first lamellar body and the second lamellar body.

Structure more than adopting can effectively protect first pivot and second pivot through the seal cover, simultaneously, can avoid seeing its inside structure.

Compared with the prior art, the chain head has the advantages that:

according to the anti-theft zipper, the pull piece drives the screw rod to rotate, the screw rod enables the locking block to move downwards through the bearing, and the locking block abuts against the zipper teeth on the zipper to position the zipper seat, so that the zipper can be prevented from being accidentally unzipped, and the anti-theft effect is good.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is a cross-sectional view of a pull tab of the present invention.

Fig. 3 is a sectional view of the core of the present invention.

In the figure, 1, a zipper seat; 1a, an upper cover plate; 1a1, mounting portion; 1b, a support core; 1b1, oil storage chamber; 1b2, oil filler point; 1c, a lower cover plate; 2. a locking block; 3. a screw; 3a, plum blossom heads; 5. a pull tab; 5a, a first sheet body; 5a1, a first guide hole; 5b, a second sheet body; 5b1, second guide hole; 5b2, a chute; 5c, a second rotating shaft; 5d, a first rotating shaft; 5e, a second limiting rod; 5f, a spring; 5g, pressing the block; 5h, connecting rings; 5i and a limiting block; 5i1, plum blossom groove; 5j, a first limiting rod; 6. a sponge column; 7. a sealing plug; 8. extruding the sheet; 8a and an oil outlet.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the slider comprises a slider base 1, the slider base 1 comprises an upper cover plate 1a, a lower cover plate 1c and a support core 1b, the upper cover plate 1a is connected with the lower cover plate 1c through the support core 1b, the slider further comprises a pull tab 5, a screw rod 3, a bearing and a locking block 2, the upper part of the upper cover plate 1a is provided with a convex mounting part 1a1, the screw rod 3 is in threaded connection with the mounting part 1a1, the inner ring of the bearing is connected with the lower end of the screw rod 3, and in the embodiment, the inner ring of the bearing is connected with the lower end of the screw rod 3 in a tight fit manner; the bearing outer ring is connected with the locking block 2, and in the embodiment, the bearing outer ring is connected with the locking block 2 in a tight fit mode; and the locking block 2 is positioned in the zipper seat 1, the pulling piece 5 is arranged at the upper end of the screw rod 3, and the pulling piece 5 is positioned outside the zipper seat 1.

By adopting the structure, the screw rod 3 is driven to rotate through the pulling piece 5, the screw rod 3 enables the locking block 2 to move downwards through the bearing, and the locking block 2 and the zipper teeth on the zipper are abutted to position the zipper seat 1, so that the zipper can be prevented from being accidentally pulled open, and the anti-theft effect is good.

The material of the locking block 2 is nylon or polyurethane, and in the embodiment, the material of the locking block 2 is nylon.

By adopting the material, the locking block 2 has better wear resistance.

The locking block 2 is provided with a plurality of anti-skid columns, and in the embodiment, the number of the anti-skid columns is six; the height of the stud is 0.8-1.2mm, in this embodiment the height of the stud is 0.9 mm.

By adopting the structure, the friction force of the locking block 2 can be increased through the anti-slip column, and accidental slipping during locking is avoided.

The zipper seat 1 is also provided with a fluorescent coating, and in the embodiment, the fluorescent coating is formed by spraying the existing coating available in the market by adopting the prior art; the thickness of the fluorescent coating is 100-160 μm, and in the present embodiment, the thickness of the fluorescent coating is 120 μm.

By adopting the structure, the zipper base 1 can emit light at night through the fluorescent coating, so that the zipper head can be conveniently and quickly found.

An oil storage cavity 1b1 is formed in the support core 1b, a sponge column 6 is arranged at the oil storage cavity 1b1, lubricating oil is arranged in the sponge column 6, mounting holes communicated with the oil storage cavity 1b1 are further formed in two sides of the support core 1b, an elastic extrusion sheet 8 capable of sealing the mounting holes is fixed on the support core 1b, and in the embodiment, the extrusion sheet 8 is an existing product available in the market; the extrusion sheet 8 is provided with a plurality of oil outlet holes 8a for outputting lubricating oil, and in the embodiment, the number of the oil outlet holes 8a is four.

By adopting the structure, in the process that the zipper teeth are pulled by the pull head, the zipper teeth enable the extrusion sheet 8 to deform, the extrusion sheet 8 extrudes the sponge column 6, and lubricating oil in the sponge column 6 is output to the zipper teeth from the oil outlet 8a, so that the zipper teeth are convenient to lubricate.

The branch core 1b is also provided with an oil filling hole 1b2 communicated with the oil storage cavity 1b1, and a sealing plug 7 is arranged at the oil filling hole 1b 2.

With this structure, the oil storage chamber 1b1 can be replenished with lubricating oil through the oil filler hole 1b 2.

The pull piece 5 comprises a first sheet body 5a, a second sheet body 5b, a first limiting rod 5j, a second limiting rod 5e, a connecting ring 5h, a limiting block 5i and a pressing block 5g, the connecting ring 5h is arranged at the upper end of the screw rod 3 in an axially fixed and circumferentially rotating mode, one end of the first sheet body 5a is connected with the connecting ring 5h, the other end of the first sheet body 5a is hinged with one end of the second sheet body 5b through a first rotating shaft 5d, the other end of the second sheet body 5b is an operating end, the upper end of the screw rod 3 is also provided with a protruding plum blossom head 3a, a first guide hole 5a1 is formed in the first sheet body 5a, the first limiting rod 5j is arranged in a first guide hole 5a1 in a penetrating mode, a second guide hole 5b1 is formed in the second sheet body 5b, the second limiting rod 5e is arranged in a second guide hole 5b1 in a penetrating mode, a sliding groove 5b2 communicated with the second guide hole 5b1 is further arranged, according to the setting of pressing block 5g slip in spout 5b2, first gag lever post 5j one end links to each other with stopper 5i, has seted up on stopper 5i with plum blossom head 3a assorted plum blossom groove 5i1, and the first gag lever post 5j other end is articulated mutually through second pivot 5c and second gag lever post 5e one end, and the second gag lever post 5e other end passes through spring 5f and presses the pressing block 5g to link to each other.

When the screw 3 needs to be rotated, the second sheet body 5b is swung to enable the second sheet body 5b and the first sheet body 5a to be located on the same straight line, the pressing block 5g is pressed downwards, the pressing block 5g enables the spring 5f to be compressed, the second limiting rod 5e moves towards the position close to the zipper seat 1, the second limiting rod 5e drives the first limiting rod 5j to move towards the position close to the zipper seat 1, the plum blossom groove 5i1 of the limiting block 5i is in contact with the plum blossom head 3a on the screw 3, meanwhile, one end of the second limiting rod 5e is located in the first guide hole 5a1 of the first sheet body 5a, the second sheet body 5b cannot rotate relative to the first sheet body 5a, the first sheet body 5a drives the connecting ring 5h to rotate, the connecting ring 5h drives the screw 3 to rotate, and therefore the locking block 2 can be prevented from being easily unlocked, and safety is high.

An elastic sealing sleeve is arranged between the first sheet body 5a and the second sheet body 5b, and in the embodiment, the sealing sleeve is an existing product available on the market.

By adopting the structure, the first rotating shaft 5d and the second rotating shaft 5c can be effectively protected by the sealing sleeve, and meanwhile, the structure inside the first rotating shaft 5d and the second rotating shaft can be prevented from being seen.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although 1, a zipper shoe is used more herein; 1a, an upper cover plate; 1a1, mounting portion; 1b, a support core; 1b1, oil storage chamber; 1b2, oil filler point; 1c, a lower cover plate; 2. a locking block; 3. a screw; 3a, plum blossom heads; 5. a pull tab; 5a, a first sheet body; 5a1, a first guide hole; 5b, a second sheet body; 5b1, second guide hole; 5b2, a chute; 5c, a second rotating shaft; 5d, a first rotating shaft; 5e, a second limiting rod; 5f, a spring; 5g, pressing the block; 5h, connecting rings; 5i and a limiting block; 5i1, plum blossom groove; 5j, a first limiting rod; 6. a sponge column; 7. a sealing plug; 8. extruding the sheet; 8a, oil outlet holes, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A pull head comprises a pull chain seat and is characterized in that the pull chain seat comprises an upper cover plate, a lower cover plate and a support core, the upper cover plate is connected with the lower cover plate through the support core, the pull head further comprises a pull piece, a screw rod, a bearing and a locking block, the upper part of the upper cover plate is provided with a convex mounting part, the screw rod is in threaded connection with the mounting part, the inner ring of the bearing is connected with the lower end of the screw rod, the outer ring of the bearing is connected with the locking block, the locking block is located in the pull chain seat, the pull piece is arranged at the upper end of the screw rod, and; the pulling piece comprises a first piece body, a second piece body, a first limiting rod, a second limiting rod, a connecting ring, a limiting block and a pressing block, wherein the connecting ring is arranged at the upper end of the screw rod in an axially fixed and circumferential rotating mode, one end of the first piece body is connected with the connecting ring, the other end of the first piece body is hinged with one end of the second piece body through a first rotating shaft, the other end of the second piece body is an operating end, a convex quincuncial head is further arranged at the upper end of the screw rod, a first guide hole is formed in the first piece body, the first limiting rod is arranged in the first guide hole in a penetrating mode, a second guide hole is formed in the second piece body, the second limiting rod is arranged in the second guide hole in a penetrating mode, a sliding groove communicated with the second guide hole is further formed in the operating part, the pressing block is arranged in the sliding groove in a sliding mode, one end of the first limiting rod is connected with the limiting block, a quincuncial groove matched with the quin, the other end of the second limiting rod is connected with the pressing block through a spring.

2. The pull head of claim 1, wherein the material of the locking block is nylon or polyurethane.

3. The slider according to claim 1, characterized in that said locking block has a plurality of anti-slip studs thereon, the height of said anti-slip studs being 0.8-1.2 mm.

4. The pull head as recited in claim 1, wherein the zipper base further comprises a fluorescent coating thereon, the fluorescent coating having a thickness of 100-160 μm.

5. The pull head as claimed in claim 1, wherein the support core is provided therein with an oil storage chamber, a sponge column is disposed at the oil storage chamber, the sponge column is provided therein with lubricating oil, mounting holes communicated with the oil storage chamber are further formed at both sides of the support core, an elastic pressing piece capable of sealing the mounting holes is fixed on the support core, and the pressing piece is provided with a plurality of oil outlet holes for outputting the lubricating oil.

6. The pull head as claimed in claim 5, wherein the core is further provided with an oil filling hole communicated with the oil storage cavity, and a sealing plug is arranged at the oil filling hole.

7. The pull head of claim 1, further comprising a resilient sealing boot between the first blade and the second blade.