CN212359369U - Zipper head - Google Patents

Abstract

The utility model relates to a tool to lock technical field, concretely relates to draw zipper head draws zipper head's bottom surface to be formed with closure portion, when locking, closure portion and the hasp lock of drawing zipper lock through forming closure portion in the bottom of drawing zipper head, utilize the zipper chain that sets up in case and bag to hold the locking to zipper head's closure portion, replaced the mode that needs to carry out the closure outside case and bag in the past, case and bag outward appearance is more succinct, in addition, closure mechanism hides in case and bag, further improves the theftproof performance.

Description

Zipper head

Technical Field

The utility model relates to a tool to lock technical field, concretely relates to draw zipper head.

Background

In the existing case, each layer of storage space is provided with a zipper for sealing, each zipper is provided with a group of zipper heads, and the top end faces of the zipper heads are provided with zipper pieces.

In the existing locking of the zipper puller, two bayonets are reserved on the top surface of a lock body of the existing zipper puller, and locking hooks are arranged in the two bayonets. The locking structure of the zipper puller is required to be arranged outside the case, the appearance of the case is not concise, and the zipper pieces are required to be inserted into the bayonets of the lock body every time the lock is locked, so that the operation is troublesome.

The existing zipper head can not be locked by matching a lock body (a zipper lock) at the inner side of a case.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draw zipper head to not enough among the prior art, adopt this to draw zipper head cooperation lock body to lock in case and bag inboard.

The purpose of the utility model is realized through the following technical scheme: the present application provides

A lock part is formed on the bottom surface of the zipper head, and when the zipper head is locked, the lock part is buckled with a lock catch of a zipper lock.

The zipper head is provided with a plurality of side plate parts, wherein the two sides of the zipper head along the pulling direction respectively extend downwards to form side plate parts, a cross beam is formed between the two side plate parts, and the cross beam is a locking part; the through holes are formed between the cross beam and the bottom surface of the zipper head in a hollow-out mode.

Wherein, the bottom surface of the side plate part is a circular arc surface.

The locking part is provided with arc transition surfaces along two sides perpendicular to the pulling direction of the locking part.

Wherein, the two end parts of the bottom surface of the zipper head are respectively provided with a guide inclined plane.

Wherein, the top end part of the zipper head is provided with a hook, and a zipper sheet is hung on the hook.

The utility model has the advantages that: the utility model discloses a draw zipper head forms closure portion through the bottom at drawing zipper head, utilizes the chain closure portion to the zipper head of drawing that sets up in case and bag to hold the locking, has replaced the mode that needs carry out the closure outside case and bag in the past, and the case and bag outward appearance is more succinct, and in addition, closure mechanism hides in case and bag, further improves the theftproof performance.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural view of the slider of the present embodiment.

Fig. 2 is a schematic structural view of the slider of the present embodiment.

Fig. 3 is a sectional view of the slider of the present embodiment.

Fig. 4 is an exploded view of the slider of the present embodiment.

Fig. 5 is a sectional view of the catch mechanism of the present embodiment.

Fig. 6 is a schematic structural diagram of the lock block and the movable block in this embodiment.

Fig. 7 is a schematic structural view of the slider of the present embodiment after the cover is hidden.

Fig. 8 is a schematic structural view of the password wheel assembly of the present embodiment in a locked state.

Fig. 9 is a schematic structural diagram of the password wheel assembly of the present embodiment in an unlocked state.

Fig. 10 is a schematic structural view of the lock cylinder of the present embodiment.

Fig. 11 is a schematic structural view of the tumbler lock assembly of the present embodiment in a locked state.

Fig. 12 is a schematic structural view of the latch assembly of the present embodiment in the unlocked state.

Description of the drawings: the zipper assembly comprises an upper box body 11, a lower box body 12, a zipper 2, a zipper head 3, a side plate part 31, a locking part 32, a through hole 33, a guide inclined plane 34, a hook 35, a zipper piece 36, an arc transition surface 321, a bottom shell 4, a lock catch 51, a guide surface 511, a lock control part 512, a T-shaped press block 52, a transverse section 521, a longitudinal section 523, a lock catch spring 53, a lock block 6, a lock tongue 61, a pushing block 62, a movable block 7, a clamping claw 71, a password wheel assembly 8, a code adjusting wheel 81, a groove 82, a return spring 9, a surface cover 100, a lock cylinder 300 and a poking part 301.

Detailed Description

The invention will be further described with reference to the following examples.

The utility model discloses a draw zipper head's embodiment, as shown in fig. 1, case and bag include box 11, lower box 12 and be used for sealing up the zip fastener 2 of box 11 and lower box 12, and zip fastener 2 is equipped with a pair of zipper head 3. As shown in fig. 2, a hook 35 is formed at the distal end portion of the slider 3, and a fastener piece 36 is hung between the hook 35 and the slider 3.

Referring to fig. 2 and 3, in the present embodiment, a bottom surface of the slider 3 is formed with a locking portion 32, specifically, two sides of the slider 3 along the pulling direction respectively extend downward to form side plate portions 31, and a cross beam is formed between the two side plate portions 31, and the cross beam is the locking portion 32. The through hole 33 is formed between the cross beam and the bottom surface of the zipper head 3 in a hollow way. In order to prevent the zipper head 3 from hooking or scratching clothes in the case when pulled, the bottom surface of the side plate portion 31 is provided with an arc-shaped surface. In order to further avoid the zipper head 3 from hooking or scratching clothes in the case when being pulled, two ends of the bottom surface of the zipper head 3 are respectively provided with a guide inclined surface 34.

Referring to fig. 4, the zipper lock includes a bottom case 4 fixedly installed inside an upper case 11 or inside a lower case 12, and a driving assembly, a lock control assembly and a retaining mechanism are disposed in the bottom case 4.

Referring to fig. 4, 5 and 8, the catching mechanism is located below the slide fastener 2 and is provided with a lock catch 51 which is reciprocatingly movable and for catching the locking portion 32. The number of the lock catches 51 is two, the holding mechanism further comprises a T-shaped press block 52, the two lock catches 51 are respectively arranged on two sides of the longitudinal section 523 of the T-shaped press block 52, and a lock catch spring 53 for jacking up the lock catch 51 is arranged between each lock catch 51 and the bottom shell 4. The longitudinal section 523 of the T-shaped press block 52 is fixedly connected with the bottom shell 4, and the transverse section 521 of the T-shaped press block 52 is arranged along the pulling direction of the zipper 2 and is positioned below the zipper 2. In the locked state, the longitudinal section 523 of the T-shaped press block 52 is inserted into the through hole 33 of the slider 3, and the top end portion of the lock catch 51 abuts against the bottom surface of the longitudinal section 523 of the T-shaped press block 52 to hold the locking portion 32. In order to facilitate the releasing of the locking portion 32 from the locking of the latch 51, in the unlocked state of the locking portion 32, the locking portion 32 can press the latch 51 downwards to move downwards under the action of external force, and the latch 51 can automatically reset under the elastic force of the latch spring 53. As shown in fig. 3, the circular arc transitional surface 321 is provided on both side surfaces (side surfaces perpendicular to the slider pulling direction) of the locking portion 32, and when the slider 3 is unlocked by applying an external force, the circular arc transitional surface 321 engages with the obliquely upward guide surface 511 at the end of the latch 51, so that the latch 51 can be more smoothly pushed and moved downward, and the slider 3 can be smoothly separated from the latch 51.

Referring to fig. 4 and 6, the lock control assembly includes a movable block 7 and a lock block 6, a sliding groove is formed at the bottom of the rear end of the lock block 6, a sliding bar is formed upward at the front end of the movable block 7, and the sliding bar is inserted into the sliding groove, so that the lock block 6 can slide along the axial direction of the sliding groove. As shown in fig. 8, the side of the shackle 51 facing the lock assembly protrudes outward to form a lock portion 512, and the front end of the lock block 6 faces forward to form a lock tongue 61. When locking, the tongue 61 moves to the bottom surface of the lock portion 512 to restrict the downward movement of the shackle 51.

Referring to fig. 4 and 7, the driving assembly includes a return spring 9, and the return spring 9 is obliquely installed between the locking piece 6 and the bottom case 4 to drive the locking piece 6 to move in the lateral or longitudinal direction.

Referring to fig. 4, 8 and 9, the driving assembly further includes a code wheel assembly 8, the code wheel assembly 8 includes a wheel shaft, and a code wheel and a code adjusting wheel 81 respectively sleeved on the wheel shaft, the code adjusting wheel 81 is provided with a head portion and a rod portion, the code wheel is clamped at the head portion of the code adjusting wheel 81, the rod portion of the code adjusting wheel 81 is provided with a groove 82 along an axial direction thereof, and the rear end of the movable block 7 extends out of the claw 71 toward the code adjusting wheel 81. For ease of preparation and fit, the grooves 82 and the jaws 71 are each triangular in shape. Referring to fig. 8, when locking, the pawl 71 abuts against the outer side surface of the rod part of the code adjusting wheel 81, see fig. 8; when unlocking, the claw 71 is clamped into the groove 82 of the rod part of the code wheel 81, please see fig. 9. In addition, the code wheel assembly 8 also comprises a code adjusting switch sleeved at the end part of the wheel shaft, and the code adjusting switch is used for adjusting the codes of the code wheel.

Referring to fig. 4, 10, 11 and 12, the driving assembly includes a pin tumbler lock assembly including a pin tumbler lock assembly 300, referring to fig. 12, a bottom end surface of the pin tumbler lock assembly 300 extends downwards to form a striking portion 301, a pushing block 62 is formed on one side of the lock block 6 close to the pin tumbler lock assembly 300, the pushing block 62 is located on the side surface of the striking portion 301 during locking, during unlocking, the pin tumbler lock assembly 300 rotates to drive the striking portion 301 to rotate, and the striking portion 301 rotates and pushes the pushing block 62 to enable the lock block 6 to move transversely.

In the zipper head of the embodiment, in the locked state, the pushing block 62 of the locking block 6 is tightly attached to the side surface of the toggle part 301 of the lock cylinder 300, the claw 71 of the movable block 7 is disengaged from the groove 82 of the code adjusting wheel 81 and abuts against the outer side surface of the code adjusting wheel 81, at this time, the locking block 6 is in the maximum stroke, the return spring 9 is in the compressed state, the lock tongue 61 of the locking block 6 extends into the bottom surface of the lock part 512 of the lock catch 51 and abuts against the lock part 512, so as to limit the up-and-down movement of the lock catch 51, and meanwhile, the top end of the lock catch 51 abuts against the longitudinal section 523 of the T-shaped press block 52, so that the locking part 32 of the zipper lock is clamped between the lock catch 51 and the T-shaped press block 52, and the lock catch 51 is.

When the coded wheel assembly 8 is unlocked, the code is correct, under the action of the elastic force of the return spring 9, the return spring 9 pushes the locking block 6 and the movable block 7 to move towards the coded wheel assembly 8 until the clamping jaws 71 of the movable block 7 are clamped into the grooves 82 of the code adjusting wheel 81, and after the locking block 6 moves, the locking tongue 61 of the locking block 6 can be moved out from the bottom end of the locking part 512 of the lock catch 51, so that the locking of the lock catch 51 is released, the unlocking is completed, and the zipper head 3 can be pulled to open the luggage.

When the spring lock is unlocked, a key is inserted to rotate the lock cylinder 300, the lock cylinder 300 drives the shifting part 301 to rotate, the shifting part 301 can push the pushing block 62 of the lock block 6 to transversely move while the shifting part 301 rotates, and the lock block 6 and the movable block 7 are in sliding fit, so that the lock tongue 61 of the lock block 6 can also transversely move while the lock block 6 is pushed to transversely move, the lock tongue 61 of the lock block 6 is staggered with the lock control part 512 of the lock catch 51, the lock on the lock catch 51 is released, the unlocking is completed, and the zipper head 3 can be pulled to open a suitcase.

When locking, the zipper head 3 is pulled to the position of the clamping mechanism (T-shaped pressing block 52), and then the driving component is switched to the locking state, thus completing the locking.

It should be noted that the T-shaped pressing block 32 is configured in a T shape, the first purpose of the T-shaped pressing block is to cooperate with the latch 51 to limit the latch 51 from popping out under the elastic force of the latch spring 53, the other purpose of the T-shaped pressing block is to provide a guiding function for the zipper head 3 to prevent the zipper head 3 from being unable to correctly pull to the station of the clamping mechanism, and the T-shaped pressing block 32 can also limit the degree of freedom of the zipper head 3 in the vertical direction after the transverse section 521 of the T-shaped pressing block 52 is inserted into the through hole 33 of the zipper head 3.

According to the zipper puller of the embodiment, the locking part 32 is formed at the bottom of the zipper puller 3, and the zipper puller 3 is clamped and locked by the clamping mechanism arranged in the case, so that the mode that locking needs to be performed outside the case in the past is replaced, and the appearance of the case is simpler. In addition, the locking mechanism is hidden in the case, so that the anti-theft performance is further improved; when the zipper puller is used, the zipper puller 3 is pulled to the position of the clamping mechanism to be clamped, and then the driving assembly is switched to the locking state, so that the operation is simple and convenient.

Referring to fig. 5, in order to make the unlocking and locking smoother, guide surfaces 511 are formed obliquely upward on both sides of the tip end portion of the lock catch 51, and the guide surfaces 511 are engaged with the circular arc transition surfaces 321 of the lock portion 32, so that the lock portion 32 can be more smoothly engaged with or disengaged from the lock catch 51.

In this embodiment, in order to facilitate the assembly of the zipper lock, the zipper head further includes a cover 100, the cover 100 is located outside the bag, and the cover 100 is detachably connected to the bottom case 4 to be clamped on the upper case 11 or the lower case 12.

The utility model has the advantages that: the zipper puller of the utility model, through forming the locking part 32 at the bottom of the zipper puller 3, utilizes the clamping mechanism arranged in the case to clamp and lock the zipper puller 3, replaces the prior mode of locking outside the case, and the appearance of the case is simpler, and in addition, the locking mechanism is hidden in the case, thereby further improving the anti-theft performance; when the zipper puller is used, the zipper puller 3 is pulled to the position of the clamping mechanism to be clamped, and then the driving assembly is switched to the locking state, so that the operation is simple and convenient.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. A slider for slide fastener, characterized in that: the bottom surface of the zipper head is provided with a locking part, and when the zipper head is locked, the locking part is buckled with the lock catch of the zipper lock.

2. The slider according to claim 1, wherein: two sides of the zipper head along the pulling direction respectively extend downwards to form side plate parts, a cross beam is formed between the two side plate parts, and the cross beam is the locking part; the through holes are formed between the cross beam and the bottom surface of the zipper head in a hollow mode.

3. The slider according to claim 2, wherein: the bottom surface of the side plate part is an arc surface.

4. The slider according to claim 1, wherein: the locking part is provided with arc transition surfaces along two sides perpendicular to the pulling direction of the locking part.

5. The slider according to claim 1, wherein: two ends of the bottom surface of the zipper head are respectively provided with a guide inclined plane.

6. The slider according to claim 1, wherein: the top end of the zipper puller is provided with a hook, and a zipper sheet is hung on the hook.

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