CN2754414Y

CN2754414Y - Zipper

Info

Publication number: CN2754414Y
Application number: CN 200420095148
Authority: CN
Inventors: 陈德宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-15
Filing date: 2004-11-15
Publication date: 2006-02-01
Anticipated expiration: 2014-11-15

Abstract

The utility model relates to a zipper, which comprises a pair of cloth strips which are provided with a plurality of zipper teeth and a zipper head which can be arranged on the zipper teeth in a slide mode. The utility model is characterized in that each zipper tooth comprises a basal body and a wedge head which is arranged on the front end of the basal body, wherein the basal bodies have a structure which is gradually contractive from the front end to the back end; two side walls of the wedge heads are respectively provided with wedge-shaped zipper teeth; the positions of the two side walls of the wedge heads, which are arranged on the back sides of the wedge-shaped zipper teeth, are provided with grooves of concave cavities which are surrounded together with the wedge-shaped zipper teeth and can be embedded by the zipper teeth of the corresponding side. Each corresponding zipper tooth of the two cloth strips is embedded into the concave cavities of the corresponding side for sealing by the mutually nesting of the wedge heads and the wedge-shaped zipper teeth. Thereby, the reliability of the embedding of each zipper tooth can be ensured effectively and the volume of the mesh ends of the zipper teeth can be effectively reduced to a minimum. Gaps among the zipper teeth can be controlled in a minimum range, and the good sealing performance among the zipper teeth can be ensured. The utility model has the advantage of good flexibility, and can not generate curling phenomenon.

Description

A kind of slide fastener

Technical field

The utility model relates to a kind of slide fastener, particularly a kind of good seal performance, link robust, saving material, slide fastener cheaply.

Background technology

The present slide fastener that adopts metal material processing to form, it mainly is made up of the strap of the chain tooth that is formed by metal material processing and the slider of zipper fastener that slides on the chain tooth a pair of device.Each chain tooth of this class slide fastener is owing to be to be meshed together by the two sides of its end of engagement being processed into two straps that the protruding hook that can embed engagement mutually and cavity make slide fastener respectively.And its end that clamps that clamps mutually with strap generally to be processed into volume with end of engagement be etc. big.Thereby, make that the volume of whole chain tooth is bigger, not only cause very big, the poor sealing performance in slit between the chain tooth, be applied in and influence clothing warming performance on the clothing, but also expend a large amount of metal materials, cause production cost high, with and interaction and pliability all relatively poor, as easy as rolling off a log generation dislocation is applied in and is easy to generate the phenomenon etc. of curling on the clothing between each chain tooth.

Summary of the invention

The purpose of this utility model is to solve above-mentioned existing problems, provides that a kind of volume is little, teeth space is minimum, good seal performance, and link robust, interaction and pliability are good, save material, slide fastener that production cost is low.

The technical solution of the utility model is achieved in that

A kind of slide fastener, comprise that a pair of device has the strap of some chain teeth to reach the slider of zipper fastener that is installed on slidably on the chain tooth, its characteristics are that described each chain tooth comprises matrix and is positioned at the wedge head of matrix front end, wherein, described matrix is for to receive little structure to the back-end gradually from front end, be respectively equipped with the wedge shape sprocket on the two side of described wedge head, and the position that is positioned at wedge shape sprocket rear on this wedge head two side is provided with the groove that can surround the cavity that can embed for the wedge shape sprocket of offside with the wedge shape sprocket, and corresponding each chain tooth embeds by the mutually nested of its wedge head and wedge shape sprocket thereof in the cavity of its offside and seals on described two straps, rabbet together mutually reliably.

For reduce further generation of the present utility model this and improve sealing property of the present utility model, the wedge head of above-mentioned each chain tooth is a cross section shape end face, and is the excessive structure of arc surface between the end face of this cross section shape end face and matrix, bottom surface.

The utility model is owing to adopt and to be provided with intermeshing wedge shape sprocket and to be positioned at the structure that wedge shape sprocket rear is formed with the cavity that can embed for the wedge shape sprocket on the wedge head two side of chain tooth, make each chain tooth of the present utility model by wedge shape sprocket on its wedge head be meshing with each other and the wedge shape sprocket embed accordingly in the cavity of its offside and realize the sealing between corresponding each chain tooth on two straps effectively, interlocking is together reliably.Make the utility model not only guarantee the reliability of each chain tooth interlocking effectively, but also effectively the volume of the end of engagement of chain tooth is reduced to minimum, the slit between the chain tooth is controlled in the minimum zone, guarantee the favorable sealing property between the chain tooth.And has the advantage that pliability is good, can not produce curling phenomenon.Receive little structure to the back-end gradually owing to adopt matrix with the chain tooth to be processed into again, make the overall volume of chain tooth further be reduced to minimum, save material further, reduce production costs and improve the flexible purpose of the utility model thereby reach from front end.Simultaneously, also owing to adopt wedge head with the chain tooth to be processed as cross section shape end face and will be processed as the excessive structure of arc surface between the end face of cross section shape end face and matrix, the bottom surface, volume of the present utility model is littler, teeth space is littler, sealing property is better thereby make further again, more save material, production cost is lower.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the structural representation of the utility model chain tooth.

Fig. 3 overlooks the structural representation of direction for the utility model chain tooth.

The sectional structure schematic diagram that Fig. 4 is meshed for the utility model two chain teeth.

The specific embodiment

As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises that a pair of device has the strap 1 of some chain teeth 2 to reach the slider of zipper fastener 3 that is installed on slidably on the chain tooth 2.Big for effectively solving existing slide fastener because of the chain tooth size, the poor sealing performance that the big grade of teeth space causes, influence the antifouling thermal property of clothing, interaction and pliability are relatively poor, be easy to generate dislocation and error between the chain tooth, be assemblied in and be easy to generate curling problems such as phenomenon on the clothing, each chain tooth 2 described in the utility model comprises matrix 21 and is positioned at the wedge head 22 of matrix 21 front ends, wherein, be respectively equipped with wedge shape sprocket 221 on the two side of described wedge head 22, and the position that is positioned at wedge shape sprocket 221 rears on these wedge head 22 two sides is provided with the groove 222 that can surround the cavity that can embed for the wedge shape sprocket 221 of offside with wedge shape sprocket 221, seals in the cavity of corresponding each chain tooth 2 by the mutually nested of its wedge head 22 and wedge shape sprocket 222 its offsides of embedding thereof on described two straps 1, rabbet together mutually reliably.As shown in Figure 4, like this, make each chain tooth 2 of the present utility model by wedge shape sprocket 221 on its wedge head be meshing with each other and wedge shape sprocket 221 embed accordingly in the cavity of its offside and realize the sealing between corresponding each chain tooth 2 on two straps effectively, interlocking is together reliably.Make the utility model not only guarantee the reliability of each chain tooth 2 interlockings effectively, but also effectively the volume of the end of engagement of chain tooth 2 is reduced to minimum, the slit between the chain tooth is controlled in the minimum zone, guarantee the favorable sealing property between the chain tooth.And has the advantage that pliability is good, can not produce curling phenomenon.In order further to reduce the volume of chain tooth 2, as shown in Figures 2 and 3, described matrix 21 is for to receive little structure to the back-end gradually from front end.Make the overall volume of chain tooth 2 further be reduced to minimum, save material further, reduce production costs and improve the flexible purpose of the utility model thereby reach.In order to reduce generation basis of the present utility model more further and to improve sealing property of the present utility model, as shown in Figure 2, the wedge head 22 of above-mentioned each chain tooth 2 is a cross section shape end face, and is the excessive structure of arc surface between the end face of this cross section shape end face and matrix 21, bottom surface.Volume of the present utility model is littler, teeth space is littler, sealing property is better thereby make further again, more saves material, and production cost is lower.For described chain tooth can be fixedly mounted on the strap 1, the matrix 21 of above-mentioned each chain tooth 2 is provided with and is used for each chain tooth 2 fixture is clamped groove 211 on above-mentioned strap 1.

Claims

1, a kind of slide fastener, comprise that a pair of device has the strap (1) of some chain teeth (2) to reach the slider of zipper fastener (3) that is installed on slidably on the chain tooth (2), it is characterized in that described each chain tooth (2) comprises matrix (21) and is positioned at the wedge head (22) of matrix (21) front end, wherein, described matrix (21) is for to receive little structure to the back-end gradually from front end, be respectively equipped with wedge shape sprocket (221) on the two side of described wedge head (22), and the position that is positioned at wedge shape sprocket (221) rear on this wedge head (22) two side is provided with the groove (222) that can surround the cavity that can embed for the wedge shape sprocket (221) of offside with wedge shape sprocket (221), and described two straps (1) are gone up in corresponding each chain tooth (2) embeds its offside by the mutually nested of its wedge head (22) and wedge shape sprocket (222) thereof the cavity and sealed, rabbet together mutually reliably.

2, according to the slide fastener of the described sealing material-saving of claim 1, the wedge head (22) that it is characterized in that above-mentioned each chain tooth (2) is a cross section shape end face, and is the excessive structure of arc surface between the end face of this cross section shape end face and matrix (21), bottom surface.

3, according to the slide fastener of claim 1 or 2 described sealing material-savings, the matrix (21) that it is characterized in that above-mentioned each chain tooth (2) is provided with and is used for each chain tooth (2) fixture is clamped groove (211) on above-mentioned strap (1).