CN102210502B - Slipping-preventing zipper head - Google Patents

Abstract

An anti-slip zipper puller, comprising a slider body and a cap, the slider body includes an upper wing, a guide post and a lower wing, the upper wing is provided with a connecting portion, the cap includes a front end The pivotal part and the fastening part arranged at the rear end, the pivotal part of the cap is pivotally connected to the connecting part, and also includes a locking mechanism, the locking mechanism includes a locking block, and the locking block is movably arranged On the upper wing, a gap is formed between the front end wall of the cap and the upper wing, and the locking mechanism is set corresponding to the cap. When working, the locking block of the locking mechanism can be moved to the gap. against the front end wall of the cap. The anti-slip zipper puller has the advantages of simple structure and stable self-locking.

Description

Non-slip zipper head

technical field

The invention relates to a zipper puller, in particular to an anti-slip type zipper puller which can artificially control the locking state.

Background technique

Existing zipper sliders can be roughly divided into self-locking zipper sliders and non-self-locking zipper sliders. Non-self-locking zipper sliders may slide along the zipper tape under non-human conditions, while self-locking zipper sliders can prevent sliding under non-human conditions through a specially designed self-locking mechanism. The No. 96208768.8 Chinese Utility Model Patent issued on March 5, 1997 discloses a zipper puller with a lock, which includes a closing device, a spring, a brake hook and a lock cylinder. The pressing device includes an upper plate with a hole, the upper end of the pressing device is provided with a cavity corresponding to the lock core, and the bottom of the cavity is provided with a cylindrical cavity corresponding to the spring. This spring is placed in this cylindrical cavity, and the tail end of this brake hook is pressed on this spring, and its hook end is just over the hole of the upper plate of the presser. The bottom end of the lock core is a slope surface, and the lock core is placed in the cavity and presses the tail end of the brake hook. When locking the zipper pull, turn the lock core to make the spring rebound upwards, the tail end of the brake hook rises, and the hook end of the brake hook descends to hook the zipper teeth, and the zipper pull is locked. On the contrary, turn this lock cylinder to compress this spring, make the tail end of this brake hook descend, and the hook end of this brake hook is lifted simultaneously, leaves zipper tooth, makes this zipper head unlock.

However, the lock cylinder directly cooperates with the smaller brake hook, which makes the structure of the zipper puller complicated and difficult to assemble.

In addition, the No. 4,949,434 U.S. Patent of Invention issued on August 21, 1990 also discloses a zipper slider, which includes a slider body, a cap and an elastic thread. The cap is provided with a buckle at the rear end, and the front end of the cap is pivotally connected to the front end of the slider body. One end of the elastic wire is fixed on the slider body, and the other end is elastically supported on the rear end of the cap, and the buckle on the cap extends into the meshing gap of the zipper teeth, so that the zipper slider can achieve anti-slip the goal of.

However, under unexpected conditions, when an external force is applied to the cap of the zipper slider, it may cause the tab on the cap to be pulled out from the gap between the zipper teeth, causing the zipper slider to slide, which makes the zipper pull The zipper puller is not self-locking securely.

Contents of the invention

In view of this, it is necessary to provide a non-slip zipper puller with simple structure and stable self-locking.

An anti-slip zipper puller, comprising a slider body and a cap, the slider body includes an upper wing, a guide post and a lower wing, the upper wing is provided with a connecting portion, the cap includes a front end The pivotal part and the fastening part arranged at the rear end, the pivotal part of the cap is pivotally connected to the connecting part, and also includes a locking mechanism, the locking mechanism includes a locking block, and the locking block is movably arranged On the upper wing, a gap is formed between the front end wall of the cap and the upper wing, and the locking mechanism is set corresponding to the cap. When working, the locking block of the locking mechanism can be moved to the gap. against the front end wall of the cap.

Compared with the prior art, the zipper slider of the present invention is provided with the locking mechanism, and the locking block of the locking mechanism is used to abut against the cap, and the cap cannot be rotated due to the abutment, so that the fastening part of the zipper slider Keep fastening with the chain elements, so as to realize the anti-slip function, so that the zipper puller has the advantage of simple structure. When an external force acts on the cap, the cap cannot rotate due to the abutment of the locking block. To open the zipper pull, the locking block must be slid to separate the locking block from the cap before the cap can be rotated, which has the advantage of self-locking and firmness of the zipper pull.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is the three-dimensional exploded view of the first embodiment of the anti-slip type zipper slider of the present invention.

Fig. 2 is a three-dimensional assembly diagram of the anti-slip type zipper puller shown in Fig. 1 .

Fig. 3 is a sectional view along line A-A in Fig. 2 .

Fig. 4 is a schematic diagram of the anti-slip zipper head shown in Fig. 1 when the locking mechanism is opened.

Fig. 5 is a schematic diagram of the anti-slip zipper pull shown in Fig. 1 when it is unlocked.

Fig. 6 is the schematic diagram of the second embodiment of the non-slip type zipper slider of the present invention.

Fig. 7 is the three-dimensional exploded view of the third embodiment of the anti-slip type zipper slider of the present invention.

Figure 8 is a three-dimensional assembly view of the anti-slip zipper pull shown in Figure 7.

Fig. 9 is a sectional view along line B-B in Fig. 8.

Fig. 10 is a schematic diagram of the anti-slip zipper head shown in Fig. 7 when the locking mechanism is opened.

Fig. 11 is a schematic diagram of the anti-slip zipper pull shown in Fig. 7 when it is unlocked.

Fig. 12 is the three-dimensional exploded view of the fourth embodiment of the anti-slip type zipper slider of the present invention.

Explanation of reference signs:

100, 100a, 100b, 100c Zipper puller 44 Buckle joint

10 Slider body 46 Fastening part

11 Guide post 50, 50b Locking mechanism

112, 112b Storage tank 51, 51c Lock sleeve

114 Storage tank 512 Opening

12 Upper wing plate 514 Fixed ring

122 Give way slot 516 Slideway

124 Fixed groove 52, 52a, 52b Locking block

126 Chute 521 Toggle part

128 Block 522 Front positioning slot

13, 13b Clearance 524 Rear positioning slot

14 Lower wing plate 53, 53c Lock cylinder

16 Connection part 532 Key slot

162 groove 534 push rod

18                                           

20 Elastic thread 55 Cover plate

30 Pull Tab 552 Key Hole

40 Cap 56, 56b Spring

42 key joint 57 key

422 front end wall

Detailed ways

Fig. 1 is the three-dimensional exploded view of the first embodiment of the anti-slip type zipper slider of the present invention. The zipper puller 100 includes a slider body 10, an elastic line 20, a pull tab 30, a cap 40 and a locking mechanism 50. The pull tab 30 is sleeved on the cap 40, one end of the spring wire 20 is fixed on the slider body 10, and the other end is pressed against the cap 40 downward, and the cap 40 is pivotally connected to the slider body 10 on. The locking mechanism 50 is arranged on the front end of the slider body 10 corresponding to the cap 40 . When working, the locking mechanism 50 is used to resist the cap 40 to prevent the cap 40 from rotating relative to the slider body 10 .

Please refer to FIG. 1, the cap 40 is a rectangular shell structure with one side opening, and the cap 40 includes a pivot portion 42, a fastening portion 44 and a fastening portion 46. The pivotal portion 42 is located at the front end of the cap 40, the fastening portion 44 is located at the rear end of the cap 40, and the fastening portion 46 extends downward from the rear end of the left side wall of the cap 40 to form a sheet structure . The pivot portion 42 includes a front end wall 422, the front end wall 422 is located at the front end of the cap 40, and the front end wall 422 is in a vertical plate-like structure. The fastening portion 44 is set in a hook shape corresponding to the spring line 20 (as shown in FIG. 3 ). The fastening portion 46 is used to be embedded in the chain teeth of the slide fastener to make the slide fastener puller 100 self-locking.

Please refer to FIG. 1 , the slider body 10 is integrally die-cast from a metal material, and includes a guide post 11, an upper wing 12, a lower wing 14, a connecting portion 16 and an abutting portion 18. The upper wing plate 12 is connected with the front end of the lower wing plate 14 through the guide post 11, and the upper wing plate 12, the guide post 11 and the lower wing plate 14 are combined to form a Y-shaped slideway for a zipper Two sprockets (not shown) pass through. The connecting portion 16 is set on the front end of the upper wing plate 12 corresponding to the pivot joint portion 42 of the cap 40 , and the abutting portion 18 is set on the rear end of the upper wing plate 12 corresponding to the fastening portion 44 of the cap 40 . The upper wing plate 12 is provided with a relief groove 122 corresponding to the fastening portion 46. The slider body 10 is provided with a fixing groove 124 corresponding to the elastic wire 20 on the upper wing plate 12, and the fixing groove 124 is used to accommodate the elastic wire 20, so that one end of the elastic wire 20 is fixed on the slider body 10 , and the other end is bounced against the fastening portion 44 of the cap 40 (as shown in FIG. 3 ). The upper wing plate 12 is provided with a chute 126 with a cross section of "T" shape before the connecting portion 16, the chute 126 is located above the guide post 11, and one end of the chute 126 is adjacent to the connecting portion 16. The upper wing plate 12 is provided with two stoppers 128 at the other end of the chute 126. After the pivot joint 42 of the cap 40 is assembled to the connecting portion 16, a gap 13 is formed between the front wall 422 of the cap 40 and the upper wing 12 (as shown in FIGS. 3 and 4 ). The chute 126 is provided with a receiving groove 112 extending downwards in the middle of the bottom end.

1, the locking mechanism 50 includes a locking block 52, a positioning ball 54 and a spring 56. The cross section of the locking block 52 is set in a "T" shape corresponding to the chute 126. The top surface of the locking block 52 protrudes upwards and is provided with a toggle portion 521, and the toggle portion 521 makes it easy for the operator to operate the locking block 52. The locking block 52 is reciprocally slidably disposed in the chute 126, and the locking block 52 is used to be embedded in the gap 13 to abut against the front end wall 422 of the cap 40. The locking block 52 is provided with a front positioning groove 522 and a rear positioning groove 524 corresponding to the positioning ball 54 at the bottom, the front positioning groove 522 and the rear positioning groove 524 are all used to accommodate the positioning ball 54, the front positioning groove 522 partially intersects with the rear positioning groove 524.

Please refer to Fig. 1 to Fig. 3, when assembling the locking mechanism 50, first, the spring 56 and the positioning ball 54 are sequentially accommodated in the receiving groove 112 of the slider body 10, and the spring 56 elastically supports the positioning ball 54 Make the positioning ball 54 partially protrude from the receiving groove 112 (as shown in Figure 3). Then, the locking block 52 is accommodated in the chute 126. Finally, use the riveting mechanism to rivet the two blocks 128 so that the two blocks 128 are bent towards the middle of the chute 126 (as shown in Figure 2 ), preventing the locking block 52 from slipping out of the chute 126 , thereby completing the assembly of the locking mechanism 50.

Please refer to Fig. 3 to Fig. 5, when locking the zipper puller 100, push the locking block 52 to move to the right, so that the locking block 52 is embedded in the gap 13 (as shown in Fig. 3 ). The spring 56 bounces the positioning ball 54 against the front positioning groove 522 of the locking block 52 to position the locking block 52 . The locking block 52 abuts against the bottom end of the front wall 422 of the cap 40, so that the cap 40 cannot rotate around the connecting portion 16. The fastening portion 46 of the cap 40 passes through the relief groove 122 and fastens with the chain teeth of the slide fastener to lock the slide fastener puller 100. When opening the zipper puller 100, at first, push the locking block 52 to move to the left along the chute 126, the locking block 52 presses down against the positioning ball 54, and the spring 56 is compressed under force. The locking block 52 continues to move to the left, the positioning ball 54 slides into the rear positioning groove 524 from the front positioning groove 522, and the spring 56 bounces the positioning ball 54 to position the locking block 52 (as shown in Figure 4 ). At this moment, the locking block 52 breaks away from the gap 13, and the abutment against the front end wall 422 of the cap 40 is released. Then, the cap 40 is pulled by the pull piece 30, the cap 40 overcomes the elastic force of the elastic wire 20 and rotates counterclockwise around the connecting portion 16 (as shown in FIG. 5 ), and the fastening portion 46 breaks away from the zipper Chain teeth (not shown), so that the slider 100 can slide along the chain teeth of the slide fastener.

As can be seen from the above description, the zipper slider 100 of the present invention is provided with the chute 126 and the locking mechanism 50 at the front end of the connecting portion 16 of the upper wing plate 12, and the locking block 52 is reciprocally slidably arranged in the chute 126 , using the locking block 52 of the locking mechanism 50 against the front end wall 422 of the pivot joint 42 of the cap 40 , the cap 40 cannot rotate around the connecting portion 16 of the slider body 10 , and the buckle of the zipper puller 100 The joint portion 46 is buckled with the chain teeth to realize the anti-slip function, so that the slide fastener puller 100 has the advantage of simple structure. When an external force acts on the cap 40 , the front wall 422 of the cap 40 is resisted by the locking block 52 and cannot rotate, so that the zipper puller 100 is firmly locked. To open the zipper puller 100, the locking block 52 must be slid earlier, so that the locking block 52 is separated from the front end wall 422 of the cap 40, and the cap 40 can be rotated to unlock the zipper puller 100. Compared with the prior art, when an external force acts on the cap 40 under unexpected conditions, the cap 40 cannot rotate, so that the zipper puller 100 has the advantage of self-locking stability. This just makes this slide fastener puller 100 can be used on the product that requires self-locking firm such as luggage, tent. The locking block 52 is provided with the front positioning groove 522 and the rear positioning groove 524 at the bottom, so that the spring 56 can bounce the positioning ball 54 to accurately locate the locking block 52, so that the slide fastener puller 100 has an easy-to-operate advantage.

It can be understood that the spring line 20 can also adopt other elastic elements, as long as the cap 40 can be bounced, so that the fastening portion 46 can be embedded in the chain teeth of the slide fastener. The locking block 52 can prevent the cap 40 from being rotated by the external force under the accidental condition when it is against the cap 40, so that the zipper puller 100 is self-locking and stable. 100 self-locking zipper pulls. The positioning ball 54 and the spring 56 are used to accurately locate the locking block 52 to prevent the locking block 52 from sliding voluntarily. If the positioning ball 54 and the spring 56 are not provided, the locking block 52 can withstand the cap as well Cover 40 prevents this cap 40 from turning. The locking block 52 is provided with the toggle portion 521 so that the operator can easily slide the locking block 52, and the locking block 52 can be moved if the toggle portion 521 is not provided. This chute 126 and this locking piece 52 also can be set to other shapes, as forms such as dovetail groove, as long as this locking piece 52 can slide in this chute 126 and get final product.

Please refer to FIG. 6 , which is a schematic diagram of the second embodiment of the anti-slip zipper slider of the present invention. The difference between the zipper puller 100a and the first embodiment of the present invention is that the locking block 52a generally has a trapezoidal structure whose height gradually increases. The connecting part 16 is provided with a groove 162 corresponding to the locking block 52a at the front end, and the groove 162 is used to accommodate the locking block 52a, and the groove 162 communicates with the sliding groove 126. Simultaneously, this slide fastener puller 100a saves the setting of positioning ball and spring in the first embodiment. In addition, the bottom surface of the locking block 52a is designed to be relatively rough to increase the friction between the locking block 52a and the chute 126

resistance.

When working, push the locking block 52a to the right to be accommodated in the groove 162 of the connecting portion 16, and the locking block 52a will push up the front end wall 422 of the cap 40 to make the cap 40 buckle Part 46 is fastened with the chain tooth of zipper, and prevents the accidental rotation of this cap 40. Push the locking block 52a to the left to make the cap 40 release the locking of the chain teeth.

As can be seen from the above description, by setting the locking block 52a into a trapezoidal structure, the cap 40 can be continuously pushed and rotated, so that the zipper puller 100a has the advantage of simple operation. By setting the groove 162 on the connecting portion 16, the locking block 52a can move more distance. Of course, the zipper pull 100a can also be provided with the positioning ball and the spring in the first embodiment, so that the zipper pull 100a can be self-locked more firmly.

Please refer to FIG. 7 , which is an exploded perspective view of the third embodiment of the anti-slip zipper slider of the present invention. The first difference between the zipper puller 100b and the first embodiment of the present invention is that the locking mechanism 50b includes a lock sleeve 51, a lock cylinder 53, a cover plate 55, a key 57 and a spring 56b. The lock core 53 is generally cylindrical, and the upper end of the lock core 53 is provided with a key slot 532 corresponding to the key 57. The locking block 52b is located at the bottom of the lock core 53, and the locking block 52b is an arc extending outward. plate structure. The lock sleeve 51 is arranged on the upper wing plate 12 and before the connecting portion 16, and the lock sleeve 51 is used to accommodate the lock core 53 so that the lock core 53 can rotate freely in the lock sleeve 51. The lock sleeve 51 is provided with an opening 512 corresponding to the front end wall 422 of the cap 40, so that the front end wall 422 of the cap 40 can extend into the lock sleeve 51 (as shown in FIGS. 9 and 10 ). The upper end of the lock sleeve 51 is provided with a fixed ring 514 corresponding to the cover plate 55. The middle part of the bottom end of the lock sleeve 51 corresponds to the lock core 53 and is provided with a receiving groove 114 extending downward, and the middle part of the bottom end of the receiving groove 114 is provided with a receiving groove 112b extending downward corresponding to the spring 56b. The cover plate 55 is provided with a keyhole 552 corresponding to the key 57. A gap 13b is formed between the front end wall 422 of the cap 40 and the upper wing 12 (as shown in FIGS. 9 and 10 ).

7 to 9, when assembling the locking mechanism 50b, first, the spring 56b is accommodated in the receiving groove 112b. Then, the lock core 53 is accommodated in the accommodating groove 114. Finally, the cover plate 55 is placed on the upper end of the lock sleeve 51, and the fixing ring 514 (not shown) is riveted by a riveting mechanism, so that the cover plate 55 is rotatably accommodated in the lock sleeve 51.

8 to 11, when locking the zipper puller 100b, first, the key 57 is inserted into the key slot 532 of the lock cylinder 53 through the key hole 552 of the cover plate 55 (as shown in FIG. 8 ). Then, the lock cylinder 53 is rotated, the locking block 52b is embedded in the gap 13b, and the locking block 52b is against the front end wall 422 of the cap 40 (as shown in FIG. 9 ), so that the cap 40 cannot be rotated. When opening the zipper puller 100b, the key 57 is inserted into the key slot 532 of the lock core 53, and then the lock core 53 is rotated 180 degrees, so that the lock block 52b is extracted from the gap 13b (as shown in Figure 10 Show). Finally, the cap 40 is pulled by the pull piece 30, and after the cap 40 is rotated clockwise (as shown in FIG. 11 ), the zipper puller 100b can slide along the chain teeth of the zipper.

As can be seen from the above description, the zipper puller 100b of the present invention is provided with the locking mechanism 50b, so that the front end wall 422 of the cap 40 can extend into the lock sleeve 51 through the opening 512 of the lock sleeve 51, and at the same time make the lock core 53 Rotatably accommodated in the lock sleeve 51, the locking block 52b is arranged on the bottom of the lock core 53, when opening the zipper puller 100b, the key 57 must be inserted into the key slot 532 of the lock core 53 , and then the lock cylinder 53 can be rotated to unlock the zipper pull 100b, which makes the zipper pull 100b have the advantages of preventing others from maliciously opening and self-locking firmly.

It can be understood that the spring 56b is used to bounce the lock cylinder 53 upwards, so that the lock cylinder 53 will not rotate by itself due to vibration to accidentally unlock the zipper puller 100b. If the spring 56b is not provided, the lock block can be locked 52b butts against the cap 40. Also can make this lock core 53 be accommodated in this lock sleeve 51 rotatably by adding a bearing between this lock core 53 and this lock sleeve 51, thereby need not be provided with this accommodating groove 114.

Please refer to FIG. 12 , which is an exploded perspective view of the fourth embodiment of the anti-slip zipper slider of the present invention. The difference between the zipper puller 100c and the third embodiment of the present invention is that the lock core 53c is provided with a push rod 534 at the bottom end, and the push rod 534 is located on the side opposite to the locking block 52b, and the push rod 534 For promoting this lock core 53c to rotate. The lock sleeve 51c is provided with a slideway 516 corresponding to the push rod 534 at the bottom, and the outermost end of the push rod 534 stretches out from the slideway 516. Simultaneously, this cover plate 55 saves setting key hole, and this lock core 53 saves setting key groove.

During operation, when the push rod 534 is placed at one end of the slideway 516, the locking block 52b can abut against the cap 40 to prevent the cap 40 from rotating. When opening the zipper puller 100c, the push rod 534 can be placed on the other end of the slideway 516, so that the locking block 52b cannot contact the front end wall 422 of the cap 40, and the cap 40 can be rotated This zipper puller 100c is unlocked.

As can be seen from the above description, the slide fastener puller 100c of the present invention is provided with the push rod 534 on the lock core 53c, and the slideway 516 is set on the lock sleeve 51c, and the lock core 53c can be rotated by pushing the push rod 534. Compared with the third embodiment of the present invention, this zipper puller 100c saves the key, keyhole, and key slot in the third embodiment, so that this zipper puller 100c has the advantage of simple structure.

Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the present invention. Thus, if the modifications and variations in the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the embodiments of the present invention are also intended to include these modifications and variations.

Claims (9)

1. A non-slip type slide fastener puller, comprising a slider body and a cap, the slider body includes an upper wing plate, a guide post and a lower wing plate, the upper wing plate is provided with a connecting portion, and the cap cover includes a The pivotal joint at the front end and the buckle joint at the rear end, the pivotal joint of the cap is pivotally connected to the connecting portion, it is characterized in that it also includes a locking mechanism, the locking mechanism includes a locking block, the lock The block is movably arranged on the upper wing, and a gap is formed between the front end wall of the cap and the upper wing. The locking mechanism is set corresponding to the cap. When working, the locking mechanism of the locking mechanism is moved. The block can abut against the front end wall of the cap in the gap; the upper wing is provided with a T-shaped sliding slot before the connecting part, and the locking block is reciprocally slidably arranged in the sliding slot. 2. The anti-slip zipper puller according to claim 1, wherein the upper wing plate is provided with a stopper corresponding to the locking block at the front end of the chute. 3. The anti-slip zipper puller according to claim 2, wherein the locking mechanism also includes a positioning ball and a spring, and the locking block is provided with a front positioning groove and a rear positioning groove at the bottom corresponding to the positioning ball The slider body is provided with a receiving groove corresponding to the spring in the slide groove, and the positioning ball is located on the spring and partially protrudes from the receiving groove. 4. The anti-slip type zipper puller according to any one of claims 1 to 3, characterized in that, it also includes an elastic thread, the slider body is provided with a fixing groove corresponding to the elastic thread, and the rear end of the cap is provided with a For the fastening part, one end of the elastic wire is fixed in the fixing groove of the slider body, and the other end abuts against the fastening part of the cap. 5. The anti-slip zipper puller according to claim 1 or 2, characterized in that, the connecting portion is provided with a groove corresponding to the locking block, and the groove communicates with the chute. 6. The anti-slip zipper puller according to claim 5, wherein the locking block is in a trapezoidal structure with gradually increasing height. 7. The anti-slip zipper puller according to claim 1, wherein the locking mechanism comprises a lock sleeve and a lock core, the lock sleeve is provided with an opening corresponding to the front wall of the cap, and the lock core is rotatably It is arranged in the lock sleeve, and the locking block is arranged at the bottom of the lock core. 8. The anti-slip zipper puller according to claim 7, wherein the locking mechanism further includes a spring, a cover plate and a key, and the middle part of the bottom end of the lock sleeve extends downwards corresponding to the lock cylinder to accommodate groove, the middle part of the bottom end of the accommodation groove corresponds to the downward extension of the spring and is provided with the accommodation groove, the upper end of the lock sleeve is provided with a fixed ring corresponding to the cover plate, and the upper end of the lock core and the cover plate are respectively provided with a key slot and a key corresponding to the key. Keyhole. 9. The anti-slip zipper puller according to claim 7, characterized in that, the bottom end of the lock cylinder is also provided with a push rod, the push rod is located on the opposite side of the locking block, and the lock sleeve corresponds to the push rod at the The bottom end is provided with a slideway, and the push rod protrudes from the slideway.