CN219556506U - Anti-blocking zipper - Google Patents

Abstract

The utility model discloses an anti-blocking zipper, relates to the technical field of zippers, and aims to solve the problem that clothes can be blocked or thread ends can be blocked when the existing zipper is used. The key points of the technical scheme are as follows: including two strap, two strap be close to one side fixed connection's chain and sliding connection's pull head on the strap each other, the pull head lateral wall is equipped with the connecting strip, is equipped with the indentation that is the strip setting on the strap, and the connecting strip lateral wall laminating is equipped with the butt plate in the indentation, and the pull head bottom is equipped with butt plate, and connecting strip and butt plate all laminate with the strap. According to the anti-blocking zipper, through the arrangement of the connecting strip at the outer side of the pull head, the suture thread end on clothes can be pushed to one end far away from the pull head in the moving process of the pull head, and the thread end with a small part entering the indentation is contacted with the indentation through the connecting strip, so that the thread end can prevent the pull head from moving but cannot be blocked between the pull head and the chain, the pull head and the chain are protected, and meanwhile, the service life of the pull head is prolonged.

Description

Anti-blocking zipper

Technical Field

The utility model relates to the technical field of zippers, in particular to an anti-jamming zipper.

Background

The zipper is a connecting piece which enables articles to be combined or separated by means of continuously arranged zipper teeth.

The zipper consists of a zipper tooth, a pull head, an upper stop (a front code and a rear code) or a locking piece and the like. Wherein the element is a key part which directly determines the lateral pull strength of the zipper. The common zipper is provided with two chain belts, each chain belt is provided with a row of zipper teeth, and the two rows of zipper teeth are mutually staggered. The pull head clamps the two side chain teeth, and the two side chain teeth can be meshed with or separated from each other by sliding the pull tab.

At present, most of zippers are sewn on clothes in a sewing mode, a large number of sewing threads are used during sewing, after the clothes are worn for a long time, thread ends fall out from the sewing threads, part of the thread ends can be clamped between the pull heads and the zipper teeth in the zipper pulling and closing process, and large abrasion is caused to the pull heads and the zipper teeth.

New solutions are therefore required to address this problem.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an anti-blocking zipper.

The technical aim of the utility model is realized by the following technical scheme: the anti-blocking zipper comprises two cloth belts, a chain fixedly connected with one side of each cloth belt, and a slider connected to the cloth belts in a sliding manner, wherein connecting strips are arranged on the side walls of the slider, indentations which are arranged in a strip shape are arranged on the cloth belts, the side walls of the connecting strips are attached to the indentations, a retaining plate is arranged at the bottom end of the slider, and the connecting strips and the retaining plate are attached to the cloth belts.

The utility model is further provided with: the center of the connecting strip and the center of the pull head are positioned at the same position, and the length of the connecting strip is greater than that of the pull head.

The utility model is further provided with: the support bar is arranged in one side of the cloth belt, which is far away from the pull head, of the indentation.

The utility model is further provided with: the indentation side wall is provided with a plurality of grooves.

The utility model is further provided with: and bosses are arranged in the adjacent two grooves.

The utility model is further provided with: adjacent bosses on the same cloth belt are attached to the grooves.

The utility model is further provided with: the connecting strip is provided with an oblique angle in the extending direction of the cloth belt.

The utility model is further provided with: the top end of the bevel angle is fixedly connected with a stop bar attached to the pull head.

In summary, the utility model has the following beneficial effects:

through the setting of pull head outside connecting strip, push away from pull head one end with the last suture thread end of clothing, the little end of a thread that gets into the indentation then passes through the contact of connecting strip with the indentation for the end of a thread stops the pull head to remove but can't block between pull head and the chain, still makes the life of pull head obtain the extension when protecting pull head, chain.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the cloth belt in the present utility model;

fig. 4 is a schematic diagram of a cloth belt structure in the second embodiment of the present utility model.

In the figure: 1. cloth belt; 2. a pull head; 3. a connecting strip; 4. indentation; 5. a retaining plate; 6. a support bar; 7. a groove; 8. a boss; 9. bevel angle; 10. and a barrier strip.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

1-4, the anti-jamming zipper comprises cloth belts 1 arranged on two sides and pull heads 2 connected to the cloth belts 1 in a sliding manner, wherein the pull heads 2 slide on the cloth belts 1, when connecting strips 3 on two sides are placed in the pull heads 2, through upward movement of the pull heads 2, the chain teeth on the chains on two sides can be combined, and then cloth on two sides can be closed; when the pull head 2 moves downwards, the teeth with two closed ends are separated again; common dress can be through sewing up both ends of both sides strap 1 and clothing opening part, make the pull of both sides chain close the both sides clothing opening closure, but along with the increase of live time, strap 1 and clothing opening part seam part can stretch out the end of a thread to can block in pull head 2 and between the element at pull head 2 gliding in-process.

As shown in fig. 1-2, the connecting strips 3 are arranged on the side wall of the slider 2, the distance between the two connecting strips 3 is larger than the width of the slider 2, so that the connecting strips 3 can be positioned on the outer side of the slider 2, and the phenomenon of locking of the zipper in use is usually caused by the fact that the thread ends of clothes jump out and are clamped between the chain and the slider 2 in the sliding process of the slider 2. Through the setting of connecting strip 3, can become connecting strip 3 with the part that contacts earlier in the end of a thread from the element on the original chain, the existence of connecting strip 3 can also block the end of a thread and connecting strip 3 to contact simultaneously, and then avoid the end of a thread to get into and lead to the zip fastener card to die in the slip process.

As shown in fig. 1-4, an indentation 4 is provided on the cloth belt 1 for sliding the connecting strip 3, and the soft cloth belt 1 can be prevented from being bent under the influence of acting force when the pull head 2 is pulled by the sliding form of the connecting strip 3 in the indentation 4, so that a gap is formed between the connecting strip 3 and the cloth belt 1 due to the bending of the cloth belt 1, and further, a thread end can enter the inner side of the pull head 2 and be blocked between the pull head 2 and a chain.

As shown in fig. 1 and 4, a retaining plate 5 is arranged at the bottom end of the pull head 2, and after the retaining plate 5 is arranged, the retaining plate can support the cloth belt 1 positioned at the lower side of the pull head 2 in the sliding process of the pull head 2, so that the increase of the distance between the pull head 2, the connecting strip 3 and the cloth belt 1 caused by deformation of the cloth belt 1 in the sliding process of the pull head 2 is avoided, and further the thread end is prevented from entering the pull head 2.

As shown in fig. 2-4, the center of the connecting strip 3 and the center of the pull head 2 are positioned at the same position, so that the distance between the two ends of the pull head 2 and the two ends of the connecting strip 3 is consistent, the blocking effect of the two sides of the pull head 2 on the thread ends is uniform, and the gravity center of the pull head 2 is not deviated in the pulling process; the length of the connecting strip 3 is greater than that of the pull head 2, so that the connecting strip 3 can be contacted with the thread ends in the length direction of the pull head 2, a large number of thread ends can be pushed away, and the probability of thread end clamping is reduced.

As shown in fig. 1-4, the supporting strip 6 arranged at the bottom end of the indentation 4 can support the position of the indentation 4 in the cloth belt 1, and the supporting strip 6 can also deform to a certain extent in the whole cloth belt 1, so that the high hardness of the supporting strip 6 is prevented from influencing the using hand feel of the zipper; in the sliding process of the pull head 2, the supporting force is applied to the supporting plate 5 by the supporting plate 5 arranged at the bottom end of the pull head 2 at the lower side, so that the supporting bar 6 can apply an acting force upwards, the situation that the supporting plate 5 is difficult to support the pull head 2 through the soft cloth belt 1 is avoided, and meanwhile, the phenomenon that the upper thread of the cloth belt 1 falls off due to sliding friction when the pull head 2 is used can be avoided.

As shown in fig. 3-4, a plurality of grooves 7 are formed in the side wall of the indentation 4, and a protruding structure similar to a chain element on a chain is not formed at the bottom end of the connecting strip 3, so that the thread end can only be blocked from moving and not be blocked completely, a user can feel that the thread end exists when pulling the pull head 2 conveniently, and the bottom end of the pull head 2 can be prevented from being blocked by the thread end and not be moved after the thread end is taken out.

As shown in fig. 3, a boss 8 is disposed between two adjacent grooves 7, and the protruding arrangement of the boss 8 can enable the thread end entering the inner side of the indentation 4 to influence sliding between the connecting strip 3 and the boss 8 in the moving process of the slider, so as to facilitate the detection of the existence of the thread end.

As shown in fig. 3, on the side wall of the indentation 4, the distance between the boss 8 and the groove 7 can be reduced by attaching the boss 8 to the groove 7, the boss 8 is used for clamping the thread end in the use process, the thread end is close to one end of the groove 7 by downward movement of the pull head 2, the thread end is taken out by the arrangement of the groove 7, and the use mode of the zipper is optimized; the indentation 4 on the cloth belt 1 can be subjected to a hot pressing process by a hot press, the side edge of the cloth belt 1 is placed into the hot press, the edge of the cloth belt 1 can be pressed out to form a proper indentation 4 by pressing, and then the indentation 4 can be reserved for a long time by heat transfer.

As shown in fig. 1-4, the connecting strip 3 is provided with an oblique angle 9 in the extending direction of the cloth belt 1, and through the arrangement of the oblique angle 9, the thread end can be pushed to one side far away from the pull head 2, so that the thread end can be helped to move to one side far away from the pull head 2, and most of the pull head 2 can be effectively pushed away.

As shown in fig. 1-4, the stop strip 10 is also arranged for pushing the thread ends away, because the bevel 9 is arranged, the position of the top end of the bevel 9 is higher than other positions, and the stop strip 10 can avoid the thread ends to be longer and wind into the inner side of the pull head 2 from the front end to cause the pull head 2 to be blocked.

As shown in fig. 1-4, when the pull head 2 is driven to move upwards to close the cloth belts 1 on two sides, most of thread ends appearing on clothes are bent and far away from the pull head 2 under the pushing of the stop strip 10, the bevel angle 9 and the connecting strip 3, so that the thread ends are prevented from entering the pull head 2 to cause the blocking of the chain upper teeth and the pull head 2; the few thread ends which are not pushed open are contacted with the connecting strip 3 firstly because the connecting strip 3 is positioned at the outer side of the pull head 2, and are driven to the indentation 4 side by the driving of the connecting strip 3, and the thread ends directly influence the pull head 2 of the pull head 2 after entering the indentation 4, so that the existence of the thread ends is reminded to a user, and the thread ends are prevented from being blocked in the pull head 2 and being difficult to take out.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (8)

1. The utility model provides an anti-sticking zip fastener, includes two strap (1), two strap be close to one side fixed connection's chain and sliding connection pull head (2) on strap (1), its characterized in that each other: the utility model discloses a pull head, including pull head (2), strap (1), pull head (2) lateral wall is equipped with connecting strip (3), be equipped with on strap (1) and be indentation (4) that the strip set up, connecting strip (3) lateral wall laminating is in indentation (4), pull head (2) bottom is equipped with and holds out board (5), connecting strip (3) and holds out board (5) all laminate with strap (1).

2. An anti-seize slide fastener as defined in claim 1, wherein: the center of the connecting strip (3) and the center of the pull head (2) are positioned at the same position, and the length of the connecting strip (3) is greater than that of the pull head (2).

3. An anti-seize slide fastener as defined in claim 2, wherein: the support bar (6) is arranged in one side of the cloth belt (1) far away from the pull head (2) and is positioned on the indentation (4).

4. A tamper evident zipper as claimed in claim 3, wherein: the side wall of the indentation (4) is provided with a plurality of grooves (7).

5. An anti-seize slide fastener as defined in claim 4, wherein: and bosses (8) are arranged in two adjacent grooves (7).

6. An anti-seize slide fastener as defined in claim 5, wherein: adjacent bosses (8) on the same cloth belt (1) are attached to the grooves (7).

7. An anti-seize slide fastener as defined in claim 1, wherein: the connecting strip (3) is provided with an oblique angle (9) on one side far away from the pull head (2).

8. An anti-seize slide fastener as defined in claim 7, wherein: the top end of the bevel angle (9) is fixedly connected with a baffle strip (10) attached to the pull head (2).