CN217446890U

CN217446890U - Airtight waterproof zipper capable of preventing bending and bursting

Info

Publication number: CN217446890U
Application number: CN202220907108.9U
Authority: CN
Inventors: 彭健军
Original assignee: Foshan Xinyabo Technology Co ltd
Current assignee: Foshan Xinyabo Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-20
Anticipated expiration: 2032-04-19

Abstract

The utility model belongs to the technical field of the zip fastener, specifically disclose an airtight waterproof zip fastener that prevents to bend and explode and open, including two chain belts and a pull head, two pass through between two rows of sprocket of chain belt the pull head is opened and shut and is connected, two the end of opening and shutting of chain belt is mutually supported and is pressed, every the meshing end positive and negative of sprocket is equipped with the inclined plane respectively, the inclined plane is located adjacently the tooth's socket of sprocket. The utility model discloses an airtight waterproof zip fastener that prevents to bend and explode out sets up the inclined plane respectively through the meshing end positive and negative at the sprocket, and every inclined plane is located the tooth's socket of adjacent sprocket, makes the zip fastener at the in-process that external force was bent, on the inboard of bending of zip fastener, and the inclined plane on every sprocket is laminated with the tooth's socket of another adjacent sprocket each other to the external force that will receive is along the chain belt to two terminal transmissions, prevents that the outside of bending of zip fastener from exploding out because of the atress is too concentrated.

Description

Airtight waterproof zipper capable of preventing bending and bursting

Technical Field

The utility model belongs to the technical field of the zip fastener, especially, relate to an airtight waterproof zip fastener that prevents to bend and explode and open.

Background

At present, the zipper made of various materials, such as a resin zipper, a nylon zipper, a metal zipper and the like, all the zipper teeth of the zipper are required to be perpendicular to the plane where the connected zipper belt is located, namely, the included angle between the central line of the zipper teeth of the zipper and the plane where the zipper belt is located is 90 degrees. As such, the existing slide fastener has a serious drawback: after the zipper teeth are meshed with each other, if the zipper teeth are bent under the action of external force, two adjacent zipper teeth on the inner side of the bent zipper are extruded with each other, so that the bent outer side of the zipper is exploded, the exploded zipper is not damaged, after the pull head is pulled, the whole zipper is intact as before, no opening mark can be seen, and certain safety risk is brought to the use of a customer.

Accordingly, the inventors have endeavored to design a slide fastener to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: provided is an airtight and waterproof slide fastener which prevents bursting of a folded slide fastener even when folded.

In order to achieve the above object, the utility model discloses a technical scheme who adopts is:

the utility model provides an airtight waterproof zip fastener that prevents to bend and explode and open, includes two chain belts and a pull head, two pass through between two rows of sprocket of chain belt the pull head is opened and shut and is connected, two the end that opens and shuts of chain belt is mutual to be pressed, every the meshing end positive and negative of sprocket is equipped with the inclined plane respectively, the inclined plane is located adjacent the tooth's socket of sprocket.

As an improvement of the airtight and waterproof zipper for preventing the zipper from being opened by bending, the edge of the meshing end of the zipper teeth is provided with a fillet, and the fillet is enclosed and located outside the bevel surface.

As an improvement of the airtight waterproof zipper for preventing the zipper from being bent and exploded, every the front and back surfaces of the meshing end of the zipper teeth are respectively provided with a pair of inclined planes, and are the same pair of inclined planes are symmetrically arranged.

As an improvement of the airtight and waterproof zipper for preventing the bending and bursting, one of the chain belts is bent to press the other chain belt, the chain belt comprises a cloth belt and a waterproof layer, and the waterproof layer is coated on the cloth belt.

As an improvement of the airtight and waterproof zipper for preventing the zipper from being opened by bending, the teeth of the inner groove and two upper and lower intervals are formed on the meshing side of the zipper teeth, and the zipper belt extends to correspond to the inner groove.

As the utility model discloses prevent to bend an improvement of the airtight waterproof zip fastener that explodes out, two fixed parts of sprocket cover respectively in corresponding the tow sides of chain belt, two on the same sprocket through connecting portion an organic whole connection between the fixed part, connecting portion pass and correspond the chain belt.

As the utility model discloses prevent to bend an improvement of the airtight waterproof zip fastener that explodes out, the pull head includes upper plate and hypoplastron, be equipped with the spliced pole on the hypoplastron perpendicularly, be equipped with on the spliced pole and hang the platform, the upper plate slip cap is located on the spliced pole and with hang a platform sealing connection.

As an improvement of the airtight and waterproof zipper for preventing the bending and bursting, the tail end of the connecting column is hinged with a pulling-on piece, and the pulling-on piece is pressed against the upper plate through the cam.

As an improvement of the airtight and waterproof zipper for preventing the bending and bursting, the upper plate passes through the sealing ring and is connected with the hanging platform in a sealing way, the sealing ring sliding sleeve is arranged on the connecting column and is positioned on the meshing surface of the upper plate.

As an improvement of the airtight and waterproof zipper for preventing the bending and bursting, the upper plate is provided with a slide hole, the bottom of the slide hole is provided with a groove, the sealing ring is contained in the groove, and the connecting column passes through the slide hole.

Compared with the prior art, the utility model discloses a prevent to bend airtight waterproof zip fastener that explodes out sets up the inclined plane respectively through the meshing end positive and negative at the sprocket, and every inclined plane is located the tooth's socket of adjacent sprocket, makes the zip fastener at the in-process that external force was bent, and on the bending inboard of zip fastener, the inclined plane on every sprocket and the tooth's socket of another adjacent sprocket laminate each other to the external force that will receive is along the chain belt to two terminal transmissions, prevents that the outside of bending of zip fastener from excessively concentrating because of the atress and exploding out.

Description of the drawings:

FIG. 1 is a plan view of the airtight and waterproof slide fastener of the present invention for preventing the bending bursting open;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged front view of a single tooth and a chain belt of the present invention;

FIG. 4 is an enlarged sectional view of the airtight and waterproof slide fastener of the present invention for preventing the bending burst;

fig. 5 is an enlarged perspective view of the slider of the present invention;

fig. 6 is an exploded perspective view of the slider of the present invention.

Illustration of the drawings:

1. the zipper comprises a slider, 11, a lower plate, 111, a connecting column, 112, a hanging table, 12, an upper plate, 121, a boss, 122, a sliding hole, 13, a rotating shaft, 14, a pulling piece, 141, a protrusion, 15, a sealing ring, 2, an upper stop, 3, a lower stop, 4, a zipper tooth, 41, an inclined plane, 42, a groove, 43, an extending part, 44, an inner groove, 45, a connecting part, 5, a chain belt, 51, a cloth belt, 52 and a waterproof layer.

Detailed Description

The following embodiments of the present invention will be specifically explained with reference to the accompanying drawings, which are only used for reference and illustration, and do not limit the scope of the present invention.

Referring to fig. 1 to 4, an airtight waterproof zipper preventing bending bursting comprises two zipper belts 5 and a slider 1, two rows of zipper teeth 4 of the two zipper belts 5 are connected in an opening and closing manner through the slider 1, the opening and closing ends of the two zipper belts 5 are mutually abutted, the front and back surfaces of the meshing end of each zipper tooth 4 are respectively provided with an inclined surface 41, the inclined surfaces 41 are positioned in tooth grooves of adjacent zipper teeth 4, when the zipper is bent by external force, the inclined surfaces 41 of the zipper teeth 4 at the inner side of the zipper is bent are attached to the tooth grooves of the adjacent zipper teeth 4, the received external force is transmitted to two tail ends along the zipper belts 5, and the outer side of the zipper is prevented from bursting due to too concentrated stress.

Referring to fig. 1 to 4, each of the two chain belts 5 has a waterproof property, specifically, each of the chain belts 5 includes a cloth belt 51 and a waterproof layer 52, the waterproof layer 52 covers the whole cloth belt 51, the waterproof layer 52 may be made of leather or waterproof plastic material, when the two chain belts 5 are pulled, one of the chain belts 5 is bent to press the other chain belt 5, so as to prevent a gap from being generated between the two chain belts 5, the heads of the two rows of teeth 4 are connected by an upper stop 2, the upper stop 2 is made of plastic material and is U-shaped, two ends of the upper stop 2 are respectively fixed to cover edges of the two chain belts 5, a connecting end of the upper stop 2 extends outward to form an upper connecting block, the upper connecting block is used for connecting the heads of the two chain belts 5, the tails of the two rows of teeth 4 are connected by a lower stop 3, one end of the lower stop 3 away from the upper stop 2 extends outward to form a lower stop connecting block, the lower stop connecting block is used for connecting tails of the two chain belts 5, two chain belts 5 are respectively provided with a row of fixing holes for fixing the chain teeth 4.

Referring to fig. 5 and 6, each tooth 4 has two fixing portions, each of the two fixing portions extends outward to form a semicircular extending portion 43, one of the fixing portions covers the front surface of the corresponding chain belt 5, the other fixing portion covers the back surface of the corresponding chain belt 5, the two fixing portions of the same tooth 4 are integrally connected by a connecting portion 45, the connecting portion 45 is located in and penetrates through the fixing hole of the corresponding chain belt 5, so that the two fixing portions of the tooth 4 and the connecting portion 45 can be integrally injection-molded, the front and back surfaces of the fixing end of the tooth 4 are respectively provided with a groove 42, in this embodiment, the front and back surfaces of the meshing end of each tooth 4 are respectively provided with a pair of inclined surfaces 41, the same pair of inclined surfaces 41 are symmetrically arranged, the edge of the meshing end of the tooth 4 is further provided with a rounded corner, the rounded corner is arranged outside the inclined surface 41 and is partially located at the tooth space edge of the tooth 4, the engaging side of the chain teeth 4 is further provided with an inner groove 44 and forms two teeth arranged at intervals up and down, and the chain belt 5 extends into the corresponding inner groove 44.

Referring to fig. 5 and 6, the slider 1 includes an upper plate 12, a lower plate 11 and a pull tab 14, the upper plate 12 and the lower plate 11 are spaced apart from each other to form an engagement opening, a connecting post 111 is vertically disposed on the lower plate 11, a hanging platform 112 is disposed on the connecting post 111, the upper plate 12 is slidably sleeved on the connecting post 111 and is hermetically connected with the hanging platform 112, the pull tab 14 is hinged to the end of the connecting post 111, the pull tab 14 movably abuts against the upper plate 12 through a cam, the cross section of the connecting post 111 is pentagonal, the hanging platform 112 is disposed between the upper plate 12 and the lower plate 11, the hanging platform 112 is disposed around the connecting post 111 in a circle, the connecting post 111 and the lower plate 11 are integrally formed, the top of the connecting post 111 is disposed in an arc shape, a pentagonal boss 121 extends outwards from the top of the upper plate 12, a sliding hole 122 is disposed on the boss 121, the sliding hole 122 penetrates through the entire upper plate 12, and an annular groove is disposed at the bottom of the sliding hole 122 (i.e., the engagement surface of the upper plate 12), the upper plate 12 is hermetically connected with the hanging table 112 through a sealing ring 15, so as to prevent external gas and water from entering from a gap between the connecting column 111 and the upper plate 12, specifically, the sealing ring 15 is accommodated and fixed in the annular groove, the sealing ring 15 and the upper plate 12 are slidably sleeved on the connecting column 111, the upper plate 12 slides down along the connecting column 111 together with the sealing ring 15 under the action of the cam until the sealing ring 15 is hung on the hanging table 112, the upper plate 12 does not move downwards, at this time, the pull head 1 is locked, the pull piece 14 is hinged with the connecting column 111 through the rotating shaft 13, the rotating shaft 13 is vertically and rotatably arranged on the connecting column 111, the hinged end of the pull piece 14 is provided with two protrusions 141 at intervals along the radial direction to form two cams, the pull piece 14 movably abuts against the boss 121 of the upper plate 12 through the two cams, the two cams are fixedly sleeved on the rotating shaft 13, and the connecting column 111 is located between the two cams.

Referring to fig. 1 to 6, the utility model discloses a prevent to bend airtight waterproof zip fastener that explodes, when two rows of sprocket 4 mesh, the end of opening and shutting of two chain belts 5 supports each other and presses, prevent to produce the gap between the chain belt 5, utilize the cam activity on the pulling-on piece 14 to support and press upper plate 12, the height of adjustment meshing mouth, reduce the power of drawing of zip fastener, the locking zip fastener, and simultaneously, sealing connection between spliced pole 111 of hypoplastron 11 and the upper plate 12, strengthen the airtight of pull head 1, waterproof nature, make the zip fastener airtight, under the condition of waterproof nature preferred, with less pulling force alright pulling pull head 1, convenience of customers uses, when bending the zip fastener, the inclined plane 41 of the inboard sprocket 4 of zip fastener bending is laminated with the tooth's socket of adjacent sprocket 4, and will receive external force along the chain belt 5 to two terminal transmissions, prevent that the outside of bending of zip fastener from because of the atress is too concentrated explosion.

The above disclosure is only for the preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and the scope of the present invention is not intended to be limited thereby.

Claims

1. The airtight waterproof zipper capable of preventing bending bursting comprises two chain belts and a pull head, wherein two rows of chain teeth of the chain belts are connected in an opening and closing mode through the pull head.

2. The airtight and waterproof zipper for preventing the bending from bursting as claimed in claim 1, wherein a rounded corner is provided at an edge of the engagement end of the zipper teeth, and the rounded corner is provided around the outside of the beveled corner.

3. The airtight and waterproof slide fastener capable of preventing bending pop-up according to claim 1, wherein a pair of inclined surfaces are provided on the front and back surfaces of the engaging end of each of said fastener elements, respectively, and the same pair of inclined surfaces are provided symmetrically.

4. The airtight and waterproof zipper preventing a bend from bursting as claimed in claim 1, wherein one of the zipper tapes is bent to press against the other zipper tape, the zipper tape comprises a woven tape and a waterproof layer covering the woven tape.

5. The airtight and waterproof zipper capable of preventing a bend from bursting as claimed in claim 1, wherein an inner groove is formed on the engaging side of the zipper teeth and two teeth are formed at an interval up and down, and the zipper tape extends into the corresponding inner groove.

6. The airtight and waterproof zipper capable of preventing a bend from bursting open as claimed in claim 1, wherein two fixing portions of the zipper teeth are respectively covered on the front and back surfaces of the corresponding zipper belt, and the two fixing portions on the same zipper tooth are integrally connected through a connecting portion passing through the corresponding zipper belt.

7. The airtight and waterproof zipper capable of preventing a bend from bursting as claimed in claim 1, wherein the slider comprises an upper plate and a lower plate, a connecting column is vertically arranged on the lower plate, a hanging table is arranged on the connecting column, and the upper plate is slidably sleeved on the connecting column and is hermetically connected with the hanging table.

8. The hermetic waterproof zipper for preventing a bend from bursting as claimed in claim 7, wherein a pulling piece is hinged to the end of the connecting column, and the pulling piece is movably pressed against the upper plate through a cam.

9. The airtight and waterproof zipper capable of preventing a bend from bursting as claimed in claim 7, wherein the upper plate is hermetically connected with the hanging platform through a sealing ring, and the sealing ring is slidably sleeved on the connecting column and positioned on the meshing surface of the upper plate.

10. The airtight and waterproof zipper for preventing bending explosion according to claim 9, wherein a sliding hole is arranged on the upper plate, a groove is arranged at the bottom of the sliding hole, the sealing ring is accommodated in the groove, and the connecting column penetrates through the sliding hole.