CN210382888U - Zipper - Google Patents

Abstract

The utility model discloses a zipper, including first side strap, second side strap, locate two chain teeth of first side strap and second side strap respectively, be used for making two chain teeth pull head and the zip fastener of closing or separation stop, the zip fastener stops including the first second that stops of locating the first side strap and locate second side strap to stop, and the first second that stops includes that: the locking tooth part is arranged opposite to the second upper stop, and the sum of the widths of the locking tooth part and the second upper stop when the locking tooth part and the second upper stop are pulled is larger than the sum of the widths of the two chain teeth when the two chain teeth are meshed and smaller than the width of the narrowest part of the inner cavity of the pull head; the tooth removing part extends along the length direction of the tooth locking part, and the length of the tooth removing part is greater than that of the pull head; a stop part arranged at the top end of the tooth-disengaging part and used for preventing the slider from disengaging from the first side cloth belt. The zipper can ensure the zipper closing state, realize quick detachment when the zipper needs to be closed, and avoid the flying of the zipper head.

Description

Zipper

Technical Field

The utility model relates to the technical field of daily necessities, more specifically say, relate to a zipper.

Background

Zippers are widely used in articles of daily use such as clothing, boots, handbags, and tents.

A slide fastener generally includes a tape, elements, a slider, an upper stopper, a lower stopper, and the like. The upper stop is mainly used for fixing the puller at the top end of the zipper when the left and right zippers are pulled by the puller, so that the puller is prevented from being separated from the cloth belt.

The upper stop in the prior art usually comprises a left upper stop piece and a right upper stop piece, the left upper stop piece and the right upper stop piece are respectively arranged at the top ends of a left zipper belt and a right zipper belt, when the left zipper and the right zipper are zipped, the sum of the widths of the left upper stop piece and the right upper stop piece is greater than the width of the widest part of an inner cavity of the zipper head, so that when the zipper head is zipped to the topmost end of the zipper, the zipper head is prevented from being pulled out from the top end of the zipper chain to be separated from the zipper.

However, although the upper stop structure can prevent the slider from being disengaged, the slider cannot be quickly detached, so that the zipper is very inconvenient to open, especially for long clothes, when the zipper is opened, the slider needs to be pulled from the top end to the bottom end of the zipper to separate the left zipper belt and the right zipper belt.

Therefore, how to provide a zipper capable of being rapidly opened is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a zipper, which can be quickly detached.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a zipper, includes first side strap, second side strap, locates respectively first side strap with two chain teeth of second side strap, be used for making two the pull head and the zip fastener of chain tooth pulling closure or separation end stop, the zip fastener end stop is including locating first side strap first end stop and locate second side strap's second end stop, first end stop includes:

the locking tooth part is arranged opposite to the second upper stop, and the sum of the widths of the locking tooth part and the second upper stop when the locking tooth part and the second upper stop are pulled is larger than the sum of the widths of the two chain teeth when the two chain teeth are meshed and smaller than the width of the narrowest part of the inner cavity of the pull head;

the tooth removing part extends along the length direction of the tooth locking part, and the length of the tooth removing part is greater than that of the pull head;

a stopping part arranged at the top end of the tooth removing part and used for preventing the pull head from being separated from the first side cloth belt.

Preferably, the locking tooth portion, the disengaging tooth portion and the stopping portion are a single piece.

Preferably, the thread removing part and the stopping part are an integral piece, and the thread locking part is a separate piece independent of the thread removing part and the stopping part;

or, the locking tooth part and the tooth removing part are an integral piece, and the stopping part is a separate piece independent of the locking tooth part and the tooth removing part.

Preferably, the locking tooth part, the disengaging tooth part and the stopping part are independent separate pieces.

Preferably, a preset gap is formed between the locking tooth part and the tooth removing part and between the tooth removing part and the stopping part.

Preferably, the inside of the top end of the locking tooth part, the inside of the bottom end of the tooth removing part and the inside of the top end of the tooth removing part are provided with chamfers for guiding.

Preferably, the teething portion comprises at least two separately designed teething sections.

Preferably, the stopping part is an anti-falling boss which is vertically arranged at the top end of the tooth-falling part and protrudes out of the outer side of the tooth-falling part, and the height of the anti-falling boss protruding out of the outer side of the tooth-falling part is greater than half of the width of the widest part of the inner cavity of the pull head.

Preferably, the anti-falling boss and the topmost tooth-falling section) are of an integrally formed structure.

Preferably, the second upper stop and the locking tooth part have elasticity.

The utility model provides a zipper, when the pull head was pulled to the top of chain tooth, because the width sum when the top was stopped to pull on lock tooth portion and the second is greater than the width sum when two chain teeth mesh, consequently, stop to go up with the second and will produce certain damping action to the pull head in lock tooth portion, make the pull head have certain drawing pause and feel to can make the pull head stop to lock tooth portion and second top stop department, reach the purpose that seals the chain tooth top, make the zip fastener be in the state that the pulling closed.

When the zipper needs to be opened, the sum of the widths of the locking tooth part and the second upper stop when the zipper is opened is smaller than the width of the narrowest part of the inner cavity of the zipper head, and the length of the tooth-disengaging part is larger than that of the zipper head, so that the zipper head only needs to be pulled to the tooth-disengaging part with slight force, the tail part of the zipper head is separated from the locking tooth part and the top end of the second upper stop, and at the moment, the zipper can be opened under the condition of left and right stress, and the zipper can be quickly detached. In addition, the pull head can be prevented from pulling out the first side cloth belt due to the stopping part.

That is, the utility model provides a zipper both can ensure the pulling and closing state of zip fastener, can realize the quick shirking of zip fastener again when the zip fastener need be pulled and close, and can avoid the pull head departure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a slide fastener according to an embodiment of the present invention;

FIG. 2 is a schematic view of the slider of the slide fastener of FIG. 1 in a quick release condition;

FIG. 3 is a schematic view of a structure of a slide fastener according to another embodiment of the present invention;

FIG. 4 is a schematic view of the slider of the slide fastener of FIG. 3 in a quick release condition;

FIG. 5 is a schematic view of a slide fastener according to still another embodiment of the present invention;

FIG. 6 is a schematic view of the slider of the slide fastener shown in FIG. 5 in a quick release state.

The reference numerals in fig. 1 to 6 are as follows:

1 is a first side cloth belt, 2 is a second side cloth belt, 3 is a zipper tooth, 4 is a slider, 5 is a first upper stop, 51 is a locking tooth part, 52 is a disengaging part, 521 is a disengaging section, 53 is a stop part, and 6 is a second upper stop.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a zipper, which can realize the quick detachment of the zipper.

Referring to fig. 1 to 6, fig. 1 is a schematic structural view of a zipper according to an embodiment of the present invention; FIG. 2 is a schematic view of the slider of the slide fastener of FIG. 1 in a quick release condition; FIG. 3 is a schematic view of a structure of a slide fastener according to another embodiment of the present invention; FIG. 4 is a schematic view of the slider of the slide fastener of FIG. 3 in a quick release condition; FIG. 5 is a schematic view of a slide fastener according to still another embodiment of the present invention; FIG. 6 is a schematic view of the slider of the slide fastener shown in FIG. 5 in a quick release state.

The utility model provides a zipper, which comprises a cloth belt, zipper teeth 3, a pull head 4, a zipper top stop and the like.

It is understood that the number of the tapes and the coupling elements 3 is two, and for convenience of description, the two tapes are respectively referred to as a first side tape 1 and a second side tape 2, the two coupling elements 3 are respectively provided on the first side tape 1 and the second side tape 2, and the slider 4 is used to draw or separate the two coupling elements 3.

It should be noted that the main structures of the cloth tape, the fastener elements 3 and the slider 4 are respectively the same as the structures of the conventional cloth tape, the fastener elements 3 and the slider 4 in the prior art, please refer to the prior art, and the description is omitted here.

The utility model discloses a main improvement lies in the improvement of ending the structure to the zip fastener, specifically, the zip fastener is ended and is ended 6 including first top 5 and second top, and first side strap 1 is located to first top 5, and second side strap 2 is located to second top 6, and first top 5 is including locking tooth portion 51, taking off tooth portion 52 and backstop portion 53.

The element locking part 51 is disposed opposite to the second upper stop 6, and is used for cooperating with the second upper stop 6 to close the fastener element 3 when the slide fastener is closed, and preventing the fastener element 3 from falling off. Specifically, the sum of the widths of the locking element part 51 and the second top stop 6 when pulled is larger than the sum of the widths of the two coupling elements 3 when engaged, and the sum of the widths of the locking element part 51 and the second top stop 6 when pulled is smaller than the width of the narrowest part of the cavity of the slider 4.

That is, when the slider 4 pulls the two elements 3, since the sum of the widths when the element portion 51 and the second top dead center 6 are pulled is larger than the sum of the widths when the two elements 3 are engaged when the slider 4 is pulled to the tip of the element 3, when the slider 4 is pulled upward from the tip of the element 3, the element portion 51 and the second top dead center 6 generate a certain damping action on the slider 4 due to the change in the width dimension, and the slider 4 has a certain pull-stop feeling, so that the slider 4 is not easily flying out, and the two elements 3 are secured in the engaged state.

The element-releasing portion 52 extends along the length direction of the element-locking portion 51, and the length of the element-releasing portion 52 is greater than that of the slider 4, so that the slider 4 can be retracted and pulled over the element-locking portion 51 and the top end of the second top dead 6.

Because the sum of the widths of the locking element part 51 and the second top stop 6 when the locking element part is pulled is less than the width of the narrowest part of the inner cavity of the slider 4, when the slider 4 is pulled to the top end of the zipper teeth 3, although the locking element part 51 and the second top stop 6 have certain damping effect on the slider 4, under the certain pulling force, the user can pull the slider 4 over the top ends of the locking element part 51 and the second top stop 6 with slight force, that is, when the slider 4 is pulled to the disengaging part 52, because the length of the disengaging part 52 is greater than that of the slider 4, at this time, the tail part of the slider 4 is disengaged from the top end of the locking element part 51.

It will be appreciated that the length of the locking element portion 51 is equal to or greater than the length of the second top stop 6, so as to facilitate disengagement of the slider 4 from the second top stop 6 when the slider 4 is pulled onto the disengaging portion 52.

When the tail part of the slider 4 is separated from the top ends of the locking tooth part 51 and the second upper stop 6 and opposite forces are applied to the two zipper teeth 3, the two zipper teeth 3 can be separated, namely, the zipper can be separated under the condition of left and right stress, and the zipper can be rapidly detached.

The stopping part 53 is arranged at the top end of the tooth-disengaging part 52 and is used for preventing the slider 4 from disengaging from the first side cloth belt 1, namely, when the slider 4 pulls down the top end of the tooth-disengaging part 52 and continues to pull upwards, the stopping part 53 can prevent the slider 4 from continuing to move, so that the effect of fixing the slider 4 is achieved, the slider 4 is prevented from disengaging from the first side cloth belt 1, and the normal use of the zipper in the next time of zipper disengagement is influenced.

It should be noted that, the present invention does not limit the specific structure of the stopping portion 53, the stopping portion 53 may be a protruding portion protruding along the length direction perpendicular to the tooth-disengaging portion 52, and the height of the protruding portion protruding from the top end of the tooth-disengaging portion 52 is greater than the width of the widest position of the inner cavity of the slider 4, so as to prevent the slider 4 from being pulled out. Of course, the stopping portion 53 may also be a stopping portion 53 with a thickness larger than the thickness of the inner cavity of the slider 4, so as to prevent the slider 4 from being pulled through the stopping portion 53.

In view of the convenience of processing, on the basis of the above embodiment, the locking tooth portion 51, the disengaging tooth portion 52 and the stopping portion 53 are an integral piece, that is, the three are an integral structure, and the structure is simple and the processing is convenient.

It can be understood that, when the locking tooth part 51, the disengaging part 52 and the stopping part 53 are an integral piece, since the length of the first upper stop 5 is too long, the top end position of the first side cloth tape 1 is hard, which causes discomfort to the user and affects the using effect, therefore, on the basis of the above embodiment, in order to improve the flexibility of the top end of the first side cloth tape 1, the disengaging part 52 and the stopping part 53 are an integral piece, and the locking tooth part 51 is a separate piece independent from the disengaging part 52 and the stopping part 53; alternatively, the locking element 51 and the disengaging element 52 are formed as a single piece, and the stopper 53 is formed as a separate piece from the locking element 51 and the disengaging element 52.

That is, in the present embodiment, the first top dead center 5, which is long as a whole, is divided into two separate bodies by the step dividing process, so that the flexibility is improved.

When the thread removing portion 52 and the stopping portion 53 are an integral piece, and the locking thread portion 51 is a separate piece from the thread removing portion 52 and the stopping portion 53, it is preferable that both the inside of the top end of the locking thread portion 51 and the inside of the bottom end of the thread removing portion 52 are provided with chamfers for guiding in order to facilitate the pull-in of the slider 4 from the locking thread portion 51 into the thread removing portion 52.

When the locking element portion 51 and the disengaging portion 52 are an integral piece and the stopper portion 53 is a separate piece independent from the locking element portion 51 and the disengaging portion 52, in order to facilitate the pull-up of the slider 4 from the disengaging portion 52 into the stopper portion 53, it is preferable that both the inside of the top end of the disengaging portion 52 and the inside of the bottom end of the stopper portion 53 are provided with chamfers for guiding.

In order to further improve the flexibility of the entire first top stop 5, in addition to the above embodiment, the locking tooth portion 51, the disengaging tooth portion 52, and the stopper portion 53 are separate members independent of each other.

That is, the locking tooth part 51, the disengaging tooth part 52 and the stopping part 53 are formed independently, and the present embodiment improves the flexibility by performing the segmentation process on the integrally long first upper stop 5 and dividing the first upper stop 5 into three independent bodies.

It can be understood that the greater the clearance between the locking tooth portion 51 and the disengaging tooth portion 52 and between the disengaging tooth portion 52 and the stop portion 53, the greater the overall flexibility of the first top stop 5; the smaller the gap between the locking tooth part 51 and the disengaging tooth part 52 and between the disengaging tooth part 52 and the stopper part 53, the smaller the overall flexibility of the first upper stop 5; therefore, on the basis of the above embodiment, the predetermined gaps are provided between the locking element portion 51 and the disengaging portion 52 and between the disengaging portion 52 and the stopping portion 53, so that the first upper stop 5 has suitable flexibility and the pulling of the slider 4 is not affected by the three.

The utility model discloses do not specifically limit to the preset clearance value between locking tooth portion 51 and the tooth portion 52 of taking off and between tooth portion 52 and the backstop portion 53, technical personnel in the field can set for according to actual demand or through the test several times.

In order to facilitate the pull-in and pull-out of the slider 4 at the transition portions of the locking element portion 51, the disengaging portion 52 and the stopper portion 53, chamfers for guiding are provided on the inside of the top end of the locking element portion 51, the inside of the bottom end of the disengaging portion 52 and the inside of the top end of the disengaging portion 52 in addition to the above-described embodiment.

Further, since the length of the molar part 52 is long, in consideration of the flexibility of the part where the molar part 52 is located, the molar part 52 includes at least two molar sections 521 which are separately designed based on the above embodiments.

That is, in the present embodiment, the long-length molar portion 52 is segmented and divided, and the molar portion 52 is divided into two or more separate structures, thereby improving the flexibility.

Of course, the tooth-disengaging portion 52 may be an integrally formed one-piece member when the length of the tooth-disengaging portion 52 is not long enough to affect the flexibility of the first upper stop 5. The skilled person can select this according to the actual situation.

In view of the simplicity of the structure of the stopping portion 53, as a preferable solution, on the basis of the above embodiment, the stopping portion 53 is a disengagement preventing boss which is arranged perpendicular to the top end of the disengagement portion 52 to protrude outside the disengagement portion 52, and the height of the disengagement preventing boss protruding outside the disengagement portion 52 is greater than half of the width of the widest part of the inner cavity of the slider 4.

In consideration of the anti-falling, the anti-falling boss and the topmost tooth-falling section 521 are in an integral structure.

In view of the convenience of mounting the stopper portion 53 to the first side tape 1, on the basis of the above-described respective embodiments, the coming-off preventing boss is integrally formed with the topmost taken-off section 521.

In order to improve the reliability of the locking element part 51 and the second top stop 6 against the pull of the slider 4 when the slide fastener is closed, in addition to the above embodiments, the second top stop 6 and the locking element part 51 have elasticity, in this case, the damping effect of the second top stop 6 and the locking element part 51 on the slider 4 can be improved by increasing the sum of the widths of the second top stop 6 and the locking element part 51 when the slide fastener is closed, and when the slide fastener needs to be opened, the slider 4 can be pulled over the top ends of the second top stop 6 and the locking element part 51 by pressing the slider 4 against the second top stop 6 and the locking element part 51 with force.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

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.

Claims (10)

1. The utility model provides a zipper, includes first side strap (1), second side strap (2), locates respectively first side strap (1) with two chain teeth (3) of second side strap (2), be used for making two pull head (4) and the zip fastener of chain tooth (3) closure or separation stop, its characterized in that, the zip fastener stops including locating first side strap (1) first stop (5) with locate second side strap (2) second stop (6), first stop (5) include:

the locking tooth part (51) is arranged opposite to the second upper stop (6), and the sum of the widths of the locking tooth part (51) and the second upper stop (6) when pulled is larger than the sum of the widths of the two zipper teeth (3) when engaged and smaller than the width of the narrowest part of the inner cavity of the pull head (4);

a tooth-disengaging part (52) extending along the length direction of the tooth-locking part (51), wherein the length of the tooth-disengaging part (52) is greater than that of the slider (4);

a stop part (53) arranged at the top end of the tooth-disengaging part (52) and used for preventing the slider (4) from disengaging from the first side cloth belt (1).

2. A zipper according to claim 1, wherein the locking teeth portion (51), the disengaging teeth portion (52) and the stop (53) are in one piece.

3. A zipper according to claim 1, wherein the disengaging portion (52) and the stop portion (53) are in one piece, the locking portion (51) being a separate piece from the disengaging portion (52) and the stop portion (53);

or the locking tooth part (51) and the tooth stripping part (52) are integrated, and the stopping part (53) is a separate part independent from the locking tooth part (51) and the tooth stripping part (52).

4. A zipper according to claim 1, wherein the locking teeth portion (51), the disengaging teeth portion (52) and the stop portion (53) are separate pieces from each other.

5. Zipper according to claim 4, characterized in that there is a preset gap between the locking teeth (51) and the disengaging teeth (52) and between the disengaging teeth (52) and the stop (53).

6. The slide fastener according to claim 4, wherein the inside of the top end of the locking element portion (51), the inside of the bottom end of the disengaging portion (52), and the inside of the top end of the disengaging portion (52) are each provided with a chamfer for guiding.

7. Zipper according to any of claims 1 to 6, characterized in that the release part (52) comprises at least two separately designed release sections (521).

8. The slide fastener according to claim 7, wherein the stopper portion (53) is a separation preventing projection provided perpendicular to the tip of the separation element (52) to project outside the separation element (52), and the height of the separation preventing projection projecting outside the separation element (52) is greater than half of the width of the widest portion of the inner cavity of the slider (4).

9. The zipper of claim 8, wherein the anti-separation boss is of integral construction with the topmost tooth-separating section (521).

10. A zipper according to claim 7, wherein the second top stop (6) and the teeth portion (51) are resilient.

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