CN211154102U

CN211154102U - Slide fastener

Info

Publication number: CN211154102U
Application number: CN201922103190.0U
Authority: CN
Inventors: 谈宜兵
Original assignee: Qingdao Shouzhou Zipper Co ltd
Current assignee: Qingdao Shouzhou Zipper Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-04
Anticipated expiration: 2029-11-29

Abstract

The utility model belongs to the technical field of the zip fastener and specifically relates to a zip fastener convenient to use. The zipper puller comprises a lower stopper, a puller, a pulling piece and zipper teeth, wherein the lower stopper comprises a lock catch I and a lock catch II, the lock catch I is connected with the zipper teeth on one side through an insertion tube I, the lock catch II is connected with the zipper teeth on the other side through an insertion tube II, the lock catch I is inserted into the lock catch II, and the lock catch I is connected with the lock catch II through a connecting device; the both sides face of pull head is equipped with side opening I and side opening II respectively, and the opening height of side opening I is greater than the height of intubate I, the fixed surface guide block on the one end that intubate I and chain tooth are connected, and the guide block is the point form towards the one end of hasp I, and the guide block is the arc towards the side of pull head, and its radian is the same with the radian of the arc side of I rear portion top of side opening. It has realized that lower end department adopts the mode of hasp lock to fix, and the operation of being convenient for makes the zip fastener use more convenient.

Description

Slide fastener

Technical Field

The utility model belongs to the technical field of the zip fastener and specifically relates to a zip fastener convenient to use.

Background

The zipper is composed of two strips each having a fastener consisting of a row of metal or plastic teeth for connecting the edges of an opening (such as a garment or a bag mouth), and a slider for pulling the two rows of teeth into interlocking positions to close the opening for sewing on the garment, pocket or purse.

In the prior art, the left and right insertion of the open-end zipper is mainly realized by inserting a small bolt into a large insertion hole, so that the left and right zipper teeth are combined, and the combination force is generated. At present, due to the limitation of a left-right insertion structure, when a consumer uses the plug, the small plug is difficult to align to the large jack, and sometimes even the small plug is clamped in the large jack, so that great inconvenience and trouble are brought to the consumer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect that prior art exists, provide a zip fastener, it has realized that the mode that lower end department adopted the hasp lock is fixed, the operation of being convenient for makes the zip fastener use more convenient.

The technical scheme of the utility model is that: a zipper comprises a lower stopper, a pull head, a pull piece and zipper teeth, wherein the lower stopper comprises a lock catch I and a lock catch II, the lock catch I is connected with the zipper teeth on one side through an insertion tube I, the lock catch II is connected with the zipper teeth on the other side through an insertion tube II, the lock catch I is inserted into the lock catch II, and the lock catch I is connected with the lock catch II through a connecting device;

the both sides face of pull head is equipped with side opening I and side opening II respectively, and the opening height of side opening I is greater than the height of intubate I, the fixed surface guide block on the one end that intubate I and chain tooth are connected, and the guide block is the point form towards the one end of hasp I, and the guide block is the arc towards the side of pull head, and its radian is the same with the radian of the arc side of I rear portion top of side opening.

The lock catch I is positioned above the lock catch II, the lock catch II comprises an annular outer ring and a base, the annular outer ring is fixed on the base, and a cylindrical inner cavity is formed in the annular outer ring; the lock catch I comprises a top cover and a center column, the center column is fixed on the bottom surface of the top cover and inserted into the cylindrical inner cavity of the lock catch II, and a connecting device is arranged between the center column and the annular outer ring.

The connecting device comprises a connecting bulge, a clamping groove and an inlet groove, and the inner surface of the annular outer ring is provided with a fixing bulge;

the lateral surface that the center post is towards ladder outer lane I is equipped with draw-in groove and import groove, and the import groove is located the below of draw-in groove, and the upper end and the draw-in groove intercommunication in import groove, the lower extreme in import groove and the bottom intercommunication of center post (the width of draw-in groove is greater than the width in import groove, and the width in import groove is not more than and connects bellied width, connects the arch and is located the draw-in groove, realizes being connected of hasp I and hasp II.

The connecting device can also adopt other structural forms, including protrusion and groove, the outer surface of the I central column of the lock catch is provided with a plurality of protrusions, the corresponding inner surface of the lock catch II is provided with a plurality of grooves, and after the protrusions on the lock catch I are inserted into the grooves on the inner surface of the lock catch II, the connection of the lock catch I and the lock catch II is realized.

An annular snap ring is fixed at the middle lower part of the outer side surface of the central column, and the snap ring is in interference fit with the inner surface of the annular outer ring.

The annular outer ring comprises a step outer ring I and a step outer ring II, the height of the step outer ring I is larger than that of the step outer ring II, and a fixing bulge is arranged on the inner surface of the step outer ring I;

the lock catch I further comprises an annular connecting ring, the annular connecting ring is fixed to the bottom surface of the top cover and fixed to the annular outer side of the center column, the annular connecting plate is located above the step outer ring II, and the annular connecting plate is fixedly connected with the insertion tube I.

Intubate II and I fixed connection in ladder outer lane, the last fixed surface of intubate II and I junction in ladder outer lane has a stopper, and the surface of annular connecting plate passes through connecting block and I fixed connection in intubate, and the connecting block corresponds the setting with the stopper.

The inner surface diameter of the upper side of the annular outer ring is larger than that of the lower side of the annular outer ring, and the clamping ring is in interference fit with the inner surface of the lower side of the annular outer ring.

The utility model has the advantages that:

its simple structure, low in manufacturing cost, during the use, only need with two hasp locks fixed can, convenient operation to can not appear blocking the condition that can not use, it is more convenient to make the zip fastener use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of the lock I and the lock II when connected;

FIG. 3 is a schematic structural view of the latch II;

FIG. 4 is a schematic structural view of a lock catch I;

FIG. 5 is a left side view schematic of the slider;

fig. 6 is a front view structural schematic diagram of the slider.

In the figure: 1 stopping; 2, locking a buckle I; 201 a top cover; 202 an annular connector; 203 a central column; 204 a snap ring; 205 card slots; 206 connecting block; 207 an inlet slot; 3, locking and buckling II; 301, a step outer ring I; 302 step outer ring II; 303 a limiting block; 305 a connecting projection; 306 a bottom cover; 4, inserting a tube I; 5, pulling a head; the 501 side is provided with an opening I; opening II at the 502 side; 503 arc-shaped side edges; 7, pulling a piece; 8, inserting a pipe II; 9 a guide block; 10 elements.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.

As shown in fig. 1 and 2, the slide fastener of the present invention includes a bottom stop 1, a slider 5, a pull tab 7 and a fastener element 10, wherein the pull tab 7 is disposed on the slider 5, and the pull tab 7 is used for pulling the slider 5 to reciprocate along the fastener element 10. The lower stopper 1 comprises a lock catch I2 and a lock catch II 3, wherein the lock catch I2 is connected with the zipper teeth on one side through an insertion pipe I4, and the lock catch II 3 is connected with the zipper teeth on the other side through an insertion pipe II 8. Hasp I2 inserts in hasp II 3, and hasp I2 can be at II 3 internal rotations of hasp, is connected through connecting device between I2 of hasp and the hasp II 3. In this embodiment, the lock catch I2 is located above the lock catch II 3.

As shown in FIG. 3, the lock catch II 3 comprises an annular outer ring and a base 306, the annular outer ring is fixed on the base 306, a cylindrical inner cavity is arranged in the annular outer ring, and the inner surface diameter of the upper side of the annular outer ring is larger than that of the lower side of the annular outer ring. The annular outer lane comprises two ladder outer rings of difference in height, I301 and the II 302 in ladder outer lane promptly, and I301 in ladder outer lane highly is greater than the height of II 302 in ladder outer lane, and the internal surface of I301 in ladder outer lane is equipped with connecting protrusion 305. Intubate II 8 and I301 fixed connection in ladder outer lane, intubate II 8 and the fixed stopper 303 that has a stopper of the upper surface of I301 junction in ladder outer lane.

As shown in fig. 4, the lock catch i 2 comprises a top cover 201, an annular connecting ring 202 and a central column 203, wherein the annular connecting ring 202 and the central column 203 are fixed on the bottom surface of the top cover 201, the annular connecting ring 202 is fixed on the annular outer side of the central column 203, the annular connecting plate 202 is positioned above the step outer ring ii 302, the central column 203 is inserted into the cylindrical inner cavity of the lock catch ii 3, and a certain gap is formed between the central column 203 and the inner surface of the annular outer ring, so that the central column 203 can rotate in the cylindrical inner cavity. The outer surface of the annular connecting plate 202 is fixedly connected with the cannula I4 through a connecting block 206. The connecting block 206 is disposed corresponding to the limiting block 303.

The coupling means in this embodiment comprises a coupling protrusion 305, a catch groove 205 and an inlet groove 207. The outer side surface of the central column 203 facing the step outer ring I301 is provided with a clamping groove 205 and an inlet groove 207, the inlet groove 207 is located below the clamping groove 205, the upper end of the inlet groove 207 is communicated with the clamping groove 205, and the lower end of the inlet groove 207 is communicated with the bottom of the central column 203. The width of the catching groove 205 is larger than the width of the inlet groove 207, and the width of the inlet groove 207 is equal to or slightly smaller than the width of the coupling protrusion 305. An annular snap ring 204 is fixed at the middle lower part of the outer side surface of the central column 203, and the snap ring 204 is in interference fit with the inner surface of the lower side of the annular outer ring, so that the snap ring 204 can prevent the central column 203 from freely rotating in the cylindrical inner cavity.

Under the action of external force, the lock catch I2 is inserted into the lock catch II 3, when the central column 203 is inserted into the annular outer ring, the connecting protrusion 305 on the inner surface of the lock catch II 3 firstly enters the inlet groove 207, after the lock catch is continuously inserted, the connecting protrusion 305 enters the clamping groove 205, then the lock catch I2 is rotated, the connecting protrusion 302 completely enters the clamping groove 205, at the moment, the connecting protrusion 305 can only be limited in the clamping groove 205, and therefore connection of the lock catch I2 and the lock catch II 3 is achieved.

The connecting device of the present invention is not limited to the structure in the present embodiment, and the following structure may be adopted: the surface of hasp I2 center post is equipped with the several arch, and the corresponding internal surface at hasp II 3 is equipped with the several recess, applies external force and rotates hasp I2, and the protruding back that inserts hasp II 3 internal surface on hasp I2 can realize hasp I2 and II 3's of hasp connection in the recess. Similarly, also can be equipped with the several recess at the surface of hasp I2 center post, the corresponding internal surface at hasp II 3 is equipped with the several arch, exerts external force and rotates hasp I2, inserts the recess on hasp I2 in the arch of hasp II 3 internal surface after, also can realize the connection of hasp I2 and hasp II 3. In summary, the structure of the connecting device is not limited to the manner described in the present embodiment.

The utility model discloses in, the grafting mode between hasp I2 and the hasp II 3 is not limited to the embodiment the mode, also can be in the center post of hasp II 3 inserts hasp I2's annular outer lane.

As shown in fig. 5 and 6, the pull tab 7 is connected to the upper surface of the slider 5, and two side surfaces of the slider 5 are respectively provided with a side opening i 501 and a side opening ii 502, wherein the opening height of the side opening i 501 is greater than that of the side opening ii 502, and the opening height of the side opening i 501 is greater than that of the insert pin i 4, so that the insert pin i 4 can be directly inserted into the slider 5 through the side opening i 501. The one end upper surface that intubate I4 and chain tooth 10 are connected is fixed with guide block 9, and as shown in the figure, the one end of guide block 9 towards hasp I2 is the point form, and guide block 9 is the arc towards the side of pull head, and its radian is the same with the radian of the arc side 503 of side opening I501 rear top.

The utility model discloses a use as follows: when the central column of the lock catch I2 is used, the central column of the lock catch I3 is inserted into the annular outer ring of the lock catch II 3, a certain downward pressure is applied to press the central column downwards, the connecting protrusion 305 on the inner surface of the annular outer ring penetrates through the inlet groove 207 to enter the clamping groove 205, and meanwhile, the pointed end of the guide block 9 is inserted into the pull head 5. Then the slider 5 is pulled upwards along the zipper teeth from the direction of the lower stop 1, in the pulling process, the arc-shaped side 503 of the slider 5 is contacted with the arc-shaped side surface of the guide block 9, meanwhile, in the moving process of the slider, extrusion force is applied to the arc-shaped side surface of the guide block 9, the guide block 9 is extruded into the slider 5, the guide block 9 moves to drive the insert tube I4 to rotate, after the insert tube I4 moves to be close to the insert tube II 8, the zipper teeth on two sides are tightly gripped under the pulling action of the slider 5, and the zipper is closed. When the intubate I4 pivoted, drive hasp I2 and rotate certain angle, when the pivoted, drive draw-in groove 205 and rotate, make connect protruding 305 and get into draw-in groove 205 completely to the connection of hasp I2 and hasp II 3 has been realized.

The zipper provided by the utility model is 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. 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. A slide fastener comprising a bottom stop (1), a slider (5), a pull tab (7), and fastener elements (10), characterized in that: the lower stopper (1) comprises a lock catch I (2) and a lock catch II (3), the lock catch I (2) is connected with the zipper teeth on one side through an insertion pipe I (4), the lock catch II (3) is connected with the zipper teeth on the other side through an insertion pipe II (8), the lock catch I (2) is inserted into the lock catch II (3), and the lock catch I (2) is connected with the lock catch II (3) through a connecting device;

the both sides face of pull head (5) is equipped with side opening I (501) and side opening II (502) respectively, the opening height of side opening I (501) is greater than the height of intubate I (4), one end fixed surface guide block (9) that intubate I (4) and chain tooth (10) are connected, one end that guide block (9) are towards hasp I (2) is the point form, guide block (9) are the arc towards the side of pull head, its radian is the same with the radian of the arc side (503) of side opening I (501) rear portion top.

2. The zipper of claim 1, wherein: the lock catch I (2) is positioned above the lock catch II (3), the lock catch II (3) comprises an annular outer ring and a base (306), the annular outer ring is fixed on the base (306), and a cylindrical inner cavity is formed in the annular outer ring; the lock catch I (2) comprises a top cover (201) and a center column (203), the center column (203) is fixed on the bottom surface of the top cover (201), the center column (203) is inserted into a cylindrical inner cavity of the lock catch II (3), and a connecting device is arranged between the center column (203) and the annular outer ring.

3. The zipper of claim 2, wherein: the connecting device comprises a connecting protrusion (305), a clamping groove (205) and an inlet groove (207), and the inner surface of the annular outer ring is provided with the connecting protrusion (305);

center post (203) is equipped with draw-in groove (205) and import groove (207) towards the lateral surface of ladder outer lane I (301), import groove (207) are located the below of draw-in groove (205), the upper end and draw-in groove (205) intercommunication of import groove (207), the lower extreme of import groove (207) and the bottom intercommunication of center post (203), the width of draw-in groove (205) is greater than the width of import groove (207), the width of import groove (207) is not more than the width of connecting arch (305), it is located draw-in groove (205) to connect arch (305), realize being connected of hasp I (2) and hasp II (3).

4. The zipper of claim 1, wherein: connecting device includes arch and recess, and the surface of hasp I (2) center post is equipped with the several arch, and the corresponding internal surface at hasp II (3) is equipped with the several recess, and the back in the recess of protruding insertion hasp II (3) internal surface on hasp I (2), realizes the connection of hasp I (2) and hasp II (3).

5. The zipper of claim 2, wherein: an annular snap ring (204) is fixed to the middle lower portion of the outer side face of the central column (203), and the snap ring (204) is in interference fit with the inner surface of the annular outer ring.

6. The zipper of claim 2, wherein: the annular outer ring comprises a step outer ring I (301) and a step outer ring II (302), the height of the step outer ring I (301) is larger than that of the step outer ring II (302), and a connecting bulge (305) is arranged on the inner surface of the step outer ring I (301);

the lock catch I (2) further comprises an annular connecting piece (202), the annular connecting piece (202) is fixed to the bottom surface of the top cover (201) and fixed to the annular outer side of the central column (203), the annular connecting piece (202) is located above the step outer ring II (302), and the annular connecting piece (202) is fixedly connected with the insertion tube I (4).

7. The zipper of claim 1, wherein: intubate II (8) and I (301) fixed connection in ladder outer lane, the last fixed surface of intubate II (8) and I (301) junction in ladder outer lane has stopper (303), and the surface of annular connecting piece (202) passes through connecting block (206) and I (4) fixed connection in intubate, and connecting block (206) correspond the setting with stopper (303).

8. The zipper of claim 5, wherein: the inner surface diameter of the upper side of the annular outer ring is larger than that of the lower side of the annular outer ring, and the snap ring (204) is in interference fit with the inner surface of the lower side of the annular outer ring.