TWM518900U - Top stopper of waterproof zipper and waterproof zipper - Google Patents

Description

Waterproof zipper top and waterproof zipper

This creation is about the top of a waterproof zipper and the waterproof zipper, especially the top of the waterproof zipper and the waterproof zipper that can effectively prevent liquid leakage.

Referring to Fig. 1, there is shown a portion of a conventional waterproof zipper 9 having a two-chain cloth 91 to which a top stop 92 is attached, on which the two-chain cloth 91 is attached. A plurality of sprocket teeth 93 are respectively disposed at opposite end edges of 92 or less, and a slider 94 is provided to control whether the plurality of sprocket teeth 93 mesh with each other. The upper end 92 has a body 921 and a fin 922 protruding upward from the body 921. The surface FD of the fin 922 facing the plurality of sprocket teeth 93 substantially conforms to the front end surface F2 of the slider 94. Accordingly, when the slider 94 abuts against the surface F1 of the fin 922 by the front end surface F2, it is possible to restrict leakage of water from the slider 94 and the fin 922 of the upper stopper 92. An embodiment similar to the conventional waterproof zipper 9 has been disclosed in the Patent Case No. I468125 "Sliding Member Assembly and Upper Stop" of the Republic of China.

However, since the sliding member 94 of the conventional waterproof zipper 9 and the upper stopper 92 are only prevented from leaking by the opposite abutting faces, the slider 94 and the fins 922 of the upper stopper 92 are outside. If the type is slightly mismatched and does not match completely (for example, the surface of the sliding member 94 is rough after die casting, or the unevenness of the upper end 92 after cooling and contraction), a gap is formed during the docking, thereby forming a water supply. Leakage of the defective part.

In view of this, the conventional stop of the waterproof zipper does have to be improved.

This creation provides a waterproof zipper top stop and a waterproof zipper that ensures tight engagement between the slider and the upper stop to prevent water from leaking.

The present invention provides a waterproof zipper top stop and a waterproof zipper, and the waterproof structure of the top stop has a large dimensional error margin and can improve product yield.

The upper end of a waterproof zipper of the present invention comprises: a body having an outer portion and an inner portion, a receiving groove extending through the outer portion and the inner portion; and an outer anti-seepage strip protruding from the outer portion a surface of the outer anti-seepage strip surrounding the outer circumference of the receiving groove, the free end surface of the outer anti-seepage strip has a first height to the outer surface; and an inner anti-seepage strip, the inner anti-seepage strip is convex In the outer surface, the inner barrier strip surrounds the outer circumference of the pocket, the inner barrier strip is adjacent to the pocket of the outer barrier strip, and the free end surface of the inner barrier strip has a surface to the outer surface a second height, the second height being greater than the first height.

Accordingly, the upper end of the waterproof zipper of the present invention can ensure the tight joint between the sliding member and the upper end to effectively prevent the leakage of water and liquid, and the waterproof structure can achieve a very good waterproof effect even with slight error. Therefore, the creation of the waterproof zipper is easier to manufacture and the product yield is higher.

Wherein, the outer anti-seepage strip and the inner anti-seepage strip can be made of elastic polymer material to have both elasticity and waterproof performance.

Wherein, the outer anti-seepage strip and the inner anti-seepage strip may be spaced apart to form a groove between the outer anti-seepage strip and the inner anti-seepage strip; thus, even if liquid leakage passes through the outer The barrier strip will also remain in the groove and will not continue to leak inward.

Wherein, the body, the outer anti-seepage strip and the inner anti-seepage strip may be integrally formed to improve manufacturing convenience.

Wherein, the body is coupled to the two-chain cloth, the outer portion of the body protrudes from the outer surface of the two-chain cloth, and the inner portion of the body protrudes from the inner surface of the two-chain cloth; the opposite edges of the two-chain cloth Having a plurality of sprocket teeth, a slider controlling the plurality of sprocket teeth to engage or disengage; the slider having a first wing and a second wing, a connecting neck connecting the first wing and the second wing; a groove is located between the two chain cloths, and an end of the groove adjacent to the plurality of fastener elements is open, and forms a first wall and a second wall; when the connecting neck of the sliding member moves into the groove The plurality of sprocket teeth are in mesh with each other, and the first wall and the second wall of the sulking groove are opposite to each other, so that one end of the sulcus adjacent to the plurality of sprocket teeth is closed, so that the inner anti-seepage strip can completely enclose the capacity Ditch, completely avoid leakage of liquid into the cavity.

Wherein the first wing of the sliding member is connected to the surface of the connecting neck to a central height of the two-chain cloth in the thickness direction, and the free end surface of the outer anti-seeping strip is in the thickness direction The central mask has a first spacing, the third height being equal to or slightly smaller than the first spacing; thus, the first wing of the sliding member can abut the free end surface of the outer barrier strip and press against the The inner barrier strip is elastically deformed to ensure that liquid cannot flow into the pocket through the inner barrier strip.

Wherein, the inner surface of the body may also have an outer anti-seepage strip and an inner anti-seepage strip, and the outer anti-seepage strip disposed on the inner side is opposite to the outer anti-seepage strip provided on the outer portion, and is disposed in the inner portion The inner anti-seepage strip is opposite to the inner anti-seepage strip provided on the outer side, and has the effect of double-sided anti-seepage.

Wherein, the first wing and the second wing of the sliding member have a fourth height between the surfaces of the connecting necks, and the second end of the two outer barrier strips has a second spacing. Is equal to or slightly smaller than the second spacing; thus, the first wing and the second wing of the sliding member can respectively abut the free end faces of the two outer barrier strips, and press against the two inner barrier strips to the elastic Deformation ensures that liquid cannot flow into the pocket through the two inner barrier strips.

Wherein, the body can be combined with the two-chain cloth by injection molding to improve the bonding stability of the body and the two-chain cloth.

The inside of the body may be provided with a retaining wall and an extending piece. The retaining wall and the extending piece straddle the two chain cloths. The extending piece abuts the retaining wall and extends away from the receiving groove. The extension piece maintains the two-chain cloth at the opposite end edges of the body to prevent the liquid from leaking.

Wherein, the extending piece is preferably provided with a gapless shape corresponding to the opposite end edges of the two-chain cloth, thereby ensuring that the water liquid cannot leak through the extending piece to the inner surface of the two-chain cloth.

The present invention further provides a waterproof zipper, which comprises a two-chain cloth, and a top-end assembly is combined with the two-chain cloth. The two-chain cloth is respectively provided with a plurality of fastener elements at opposite end edges of the upper end, and a slider is provided to control the number. The sprocket teeth are meshed or separated from each other, and the two extension strips are respectively connected to two opposite sprocket teeth which are adjacent to the upper end, and each of the extension strips protrudes from the height of the two chain fabrics and is higher or lower than each of the sprocket teeth The sprocket, the end of the upper end connects or encloses the two extension strips, so that the end of the uppermost end adjacent to the plurality of sprocket teeth is at the same height as the plurality of sprocket teeth, so that the sliding member can smoothly slide in This termination helps to improve ease of use.

[this creation]

1‧‧‧Chain

1a‧‧‧ outer surface

1b‧‧‧ inner surface

2‧‧‧ sprocket

21‧‧‧ shoulder

3‧‧‧Sliding parts

31‧‧‧First wing

311‧‧‧ buckle frame

32‧‧‧second wing

33‧‧‧Connected neck

4‧‧‧Ontology

4a‧‧‧External

4b‧‧‧Internal

41‧‧‧容沟

41a‧‧‧ first wall

41b‧‧‧ second wall

42‧‧‧Retaining wall

43‧‧‧Extension

5, 5'‧‧‧External seepage

6, 6' ‧ ‧ internal anti-seepage

7‧‧‧Extension strip

C‧‧‧ trench

D1‧‧‧first spacing

D2‧‧‧second spacing

H1‧‧‧ first height

H2‧‧‧second height

H3‧‧‧ third height

H4‧‧‧fourth height

[Use]

9‧‧‧Waterproof zipper

91‧‧‧Chain

92‧‧‧About

921‧‧‧Ontology

922‧‧‧Fins

93‧‧‧ sprocket

94‧‧‧Sliding parts

F1‧‧‧ surface

F2‧‧‧ front face

Figure 1: Schematic diagram of a partial three-dimensional structure of a conventional waterproof zipper.

Fig. 2 is a partial perspective exploded structural view of a waterproof zipper according to an embodiment of the present invention.

Fig. 3 is a partial perspective view showing another embodiment of the present invention in combination with another perspective view of the chain cloth.

Fig. 4 is a partial top plan view showing a waterproof zipper according to an embodiment of the present invention, wherein the connecting neck of the slider has not been moved into the receiving groove of the upper body.

Fig. 5 is a cross-sectional structural view showing a line A-A of Fig. 4.

Fig. 6 is a partial top plan view showing a waterproof zipper according to an embodiment of the present invention, wherein the connecting neck of the slider has been moved into the receiving groove of the upper body.

Fig. 7 is a cross-sectional structural view showing a line taken along line B-B of Fig. 6.

Fig. 8 is a partially exploded perspective view showing a waterproof zipper of another embodiment of the present invention.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings: FIG. a waterproof zipper comprising a top stop of the present invention, the top stop is combined with a two-chain cloth 1 , and the two chain cloths 1 are respectively provided with a plurality of fastener elements 2 at opposite end edges of the upper stop, and one is provided The slider 3 controls the plurality of sprocket 2 to mesh with or separate from each other (as shown in FIG. 4); when the slider 3 stops at the top stop, the plurality of sprocket 2 mesh with each other, and the slider 3 is tight The upper end is reached to achieve the effect of preventing liquid penetration.

Each of the chain cloths 1 has an opposite outer surface 1a and an inner surface 1b. When the waterproof zipper is used, the outer surface 1a of each of the chain cloths 1 is outwardly visible, and the inside of each of the chain cloths 1 is directly visible. The surface 1b is facing inward and cannot be directly seen. The two-chain cloth 1 can be formed by, for example, laminating a waterproof film, or by spraying a waterproof glue, or by pressing a waterproof film on each of the chain cloths 1, so that the two-chain cloth 1 also has an anti-seepage effect. The two-chain fabric 1 can be combined with the plurality of fastener elements 2 to form an anti-seepage structure, and when the plurality of fastener elements 2 are engaged with each other, a gap between the plurality of fastener elements 2 is ensured.

The sliding member 3 has a first wing 31, a second wing 32 and a connecting neck 33. The first wing 31 is opposite to the second wing 32. The connecting neck 33 connects the first wing 31 and the second wing. 32. The outer surface of the first wing 31 can be provided with a buckle 311 for engaging a pull tab (not shown), so that the user can drive the slider 3 to be displaced by the pull tab.

The upper end includes a body 4, an outer moisture barrier strip 5 and an inner moisture barrier strip 6. The body 4 has a receiving groove 41 for receiving the connecting neck 33 of the sliding member 3, the outer impervious strip. 5 and the inner anti-seepage strip 6 are respectively encircled on the outer circumference of the cavity 104, and the inner anti-seepage strip 6 is adjacent to the inner groove 41 of the outer anti-seepage strip 5. The term "circle" as used in this creation refers to a structure that can be framed to a specific extent, including a fully isolated form or a small open form.

In detail, the body 4 can be selectively coupled to the two-chain fabric 1 by injection molding, and the body 4 can be melted integrally with the waterproof layer of the two-chain fabric 1 to lift the body 4 and The combination of the two-chain cloth 1 is stable.

Referring to Figures 2 and 3, the body 4 has an outer portion 4a projecting from the outer surface 1a of the two-chain cloth 1, and an inner portion 4b projecting from the inner surface 1b of the two-chain cloth 1. The receiving groove 41 of the body 4 extends through the outer portion 4a and the inner portion 4b of the body 4, and the receiving groove 41 is located between the two chain fabrics 1. The receiving groove 41 is open to the end of the plurality of fastener elements 2 for opening The connecting neck 33 of the slider 3 is moved into or out of the receiving groove 41, and forms a first wall 41a and a second wall 41b.

Moreover, the outer portion 4a and the inner portion 4b of the main body 4 are respectively provided with a more protruding retaining wall 42. The retaining wall 41 spans the two-chain fabric 1 for moving into the receiving groove of the connecting neck 33 of the sliding member 3. After the 41, the front end of the first wing 31 and the second wing 32 of the sliding member 3 are respectively blocked by the second retaining wall 41 in the outer portion of the main body 4 to form a limit on the sliding member 3, thereby avoiding the sliding member 3. The rear end is completely detached from the sprocket 2.

The inner portion 4b of the body 4 can also be provided with an extending piece 43 which abuts the retaining wall 42 of the inner portion 4b of the body 4 and extends away from the receiving groove 41; the extending piece 43 also spans The two-chain cloth 1 maintains the two-chain cloth 1 at the opposite end edges of the main body 4 and above by the extending piece 43, and the liquid leakage prevention effect is prevented. In particular, the extending piece 43 preferably has a gap-free configuration corresponding to the opposite end edges of the two-chain cloth 1, thereby ensuring that the water cannot pass through the extending piece 43 and penetrates into the inner surface 1b of the two-chain cloth 1. leak.

Referring to Figures 4 and 5, the outer barrier strip 5 and the inner barrier strip 6 are respectively protruded from the surface of the outer portion 4a of the body 4. The outer barrier strip 5 and the inner barrier strip 6 can be selected by The elastic polymer material is made to have both elasticity and waterproof performance; in the embodiment, the body 4, the outer anti-seepage strip 5 and the inner anti-seepage strip 6 can be integrally formed to improve manufacturing convenience. Sex. Moreover, the free end surface of the outer barrier strip 5 has a first height H1 to the surface of the outer portion 4a of the body 4, and the free end surface of the inner barrier strip 6 has a second height to the surface of the outer portion 4a of the body 4. H2, the second height H2 is greater than the first height H1. In addition, the outer barrier strip 5 and the inner barrier strip 6 are preferably spaced apart to form a groove C therebetween.

Referring to FIGS. 5 and 7, the first wing 31 of the slider 3 is connected to the surface of the connecting neck 33 to a central height of the two-chain fabric 1 in the thickness direction, and the outer barrier strip 5 is provided. The free end face to the center mask of the two-chain fabric 1 in the thickness direction has a first spacing D1, which is equal to or slightly smaller than the first spacing D1, so that the slider 3 is jammed into the upper end. In the case of the body 4, the first wing 31 of the slider 3 can abut the free end face of the outer barrier strip 5.

Referring to Figures 3 and 7, preferably, the surface of the inner portion 4b of the body 4 is also convexly provided with an outer seepage strip 5' and an inner impervious strip 6', the outer impervious strip 5' and the outer strip. The perforated strip 5 is opposite, and the inner barrier strip 6' is opposite the inner barrier strip 6. Referring to Figures 5 and 7, the first wing 31 and the second wing 32 of the slider 3 have a fourth height H4 between the surfaces of the connecting neck 33. The outer barrier strip 5 and the outer impervious strip 5 The second end of the strip 5' has a second spacing D2 which is equal to or slightly smaller than the second spacing D2. When the slider 3 is snapped into the upper body 4, the slider 3 The first wing 31 can abut the free end surface of the outer barrier strip 5, and the second wing 32 of the slider 3 can abut the free end surface of the outer barrier strip 5'.

Referring to FIG. 6, according to the above configuration, after the connecting neck 33 of the slider 3 is moved into the groove 41 of the upper body 4, the front ends of the first wing 31 and the second wing 32 can respectively abut. The second retaining wall 41 outside and inside the body 4. At this time, the plurality of sprocket teeth 2 that are in mesh with each other can be coupled to make the first wall 41a and the second wall 41b of the groove 41 abut, so that the one end of the groove 41 adjacent to the plurality of sprocket 2 is closed, so that The inner anti-seepage strip 6 can completely encircle the sump 41 to completely prevent liquid from leaking into the sump 41.

On the other hand, referring to Figures 5 and 7, in the embodiment in which the outer barrier strip 5 and the inner barrier strip 6 are protruded only on the surface of the outer portion 4a of the body 4, since the third height H3 Is equal to or slightly smaller than the first distance D1, and the second height H2 is greater than the first height H1, so that the first wing 31 of the slider 3 can not only abut the free end surface of the outer moisture barrier strip 5, forming a first The first anti-seepage strip 6 is pressed against the inner anti-seepage strip 6 to force the inner anti-seepage strip 6 to elastically deform to ensure that the first anti-seepage strip 6 can closely fit the inner anti-seepage strip 6, Form a second anti-seepage structure. As a result, even if the liquid leaks through the outer barrier strip 5, it remains in the groove C between the outer barrier strip 5 and the inner barrier strip 6, even if the groove C is full. The liquid and the liquid are still unable to leak inward from the tightly connected first wing 31 and the inner barrier strip 6, so the creation can ensure that liquid cannot flow into the pocket 41 through the inner barrier strip 6. It has excellent waterproof effect.

Similarly, in the embodiment in which the outer barrier strip 5, 5' and the inner barrier strip 6, 6' are respectively protruded from the surfaces of the outer portion 4a and the inner portion 4b of the body 4, since the fourth height H4 is equal to Or slightly smaller than the second spacing D2, and the second height H2 is greater than the first height H1, so that the first wing 31 and the second wing 33 of the sliding member 3 can respectively abut the outer barrier strip 5, 5 a free end face, and the first wing 31 and the second wing 33 are more respectively pressed against the inner barrier strip 6, 6', forcing the inner barrier strip 6, 6' to elastically deform to ensure the first wing 31 and the second wing 33 can respectively closely fit the inner moisture barrier strips 6, 6' to achieve double-sided anti-seepage effect.

In addition, please refer to FIG. 8. In other embodiments, each of the sprocket 2 can also be provided with a shoulder portion 21 to enhance the anti-seepage effect when the plurality of sprocket teeth 2 are engaged with each other. And, when the plurality of fastener elements 2 are shot, the two extension strips 7 can be formed together, and the two extension strips 7 are respectively connected to the two opposite fastener elements 2 which are adjacent to the upper end, and each of the extension strips 7 protrudes out The height of the two-chain cloth 1 may be the same as or lower than each of the sprocket 2; when the upper end is shot, the upper end may be connected by the end closest to the plurality of sprocket 2 Or covering the two extension strips 7 such that the end of the uppermost proximal sprocket 2 is about the same height as the plurality of sprocket 2 . Accordingly, when the slider 3 is slid adjacent to the upper end, that is, it is not inclined backward due to the difference between the upper end and the sprocket 2, the slider 3 can smoothly slide into the upper end, and Help improve ease of use.

In summary, the waterproof zipper of the present invention and the waterproof zipper ensure that the sliding member and the upper end can be tightly engaged to effectively prevent water leakage, and the size of the waterproof structure of the upper stop is slightly different. , still can achieve a very good waterproof effect, so the creation of the waterproof zipper and the waterproof zipper are easier to manufacture, the product yield is higher.

Although the present invention has been disclosed using the above preferred embodiments, it is not intended to be limiting. In this creation, any person skilled in the art without departing from the spirit and scope of the present invention, various modifications and modifications to the above embodiments are still within the technical scope protected by the present creation. Therefore, the scope of protection of this creation is attached. The scope defined in the scope of application for patent application shall prevail.

1‧‧‧Chain

1a‧‧‧ outer surface

1b‧‧‧ inner surface

2‧‧‧ sprocket

3‧‧‧Sliding parts

31‧‧‧First wing

311‧‧‧ buckle frame

32‧‧‧second wing

33‧‧‧Connected neck

4‧‧‧Ontology

4a‧‧‧External

41‧‧‧容沟

41a‧‧‧ first wall

41b‧‧‧ second wall

42‧‧‧Retaining wall

5‧‧‧External barrier

6‧‧‧Inner anti-seepage

C‧‧‧ trench

Claims (12)

The upper end of the waterproof zipper comprises: a body having an outer portion and an inner portion; a receiving groove extending through the outer portion and the inner portion; and an outer anti-seepage strip protruding from the outer surface The outer anti-seepage strip surrounds the outer circumference of the receiving groove, the free end surface of the outer anti-seepage strip has a first height to the outer surface, and an inner anti-seepage strip protruding from the outer portion a surface of the inner impervious strip adjacent to the outer groove of the inner anti-seepage strip, the inner anti-seepage strip having a second end from the free end surface of the inner anti-seepage strip to the outer surface Height, the second height being greater than the first height. The top stop of the waterproof zipper according to claim 1, wherein the outer barrier strip and the inner impervious strip are made of a resilient polymer material. The upper end of the waterproof zipper according to claim 1, wherein the outer anti-seepage strip and the inner anti-seepage strip are spaced apart to form between the outer anti-seepage strip and the inner anti-seepage strip. a groove. The upper end of the waterproof zipper according to claim 1, wherein the body, the outer barrier strip and the inner barrier strip are integrally formed. The upper end of the waterproof zipper according to any one of claims 1 to 4, wherein the body is coupled to the two-chain cloth, and the outer portion of the body protrudes from the outer surface of the two-chain cloth, the body The inner portion protrudes from the inner surface of the two-chain cloth; the opposite ends of the two-chain cloth are provided with a plurality of fastener elements, and a sliding member controls the plurality of fastener elements to mesh or separate; the sliding member has a first wing and a second wing, a connecting neck connecting the first wing and the second wing; the receiving groove is located between the two chain cloths, the receiving groove is open adjacent to one end of the plurality of fastener elements, and forms an opposite one The first wall and the second wall; when the connecting neck of the sliding member moves into the receiving groove, the plurality of sprocket teeth mesh with each other and the first wall and the second wall of the receiving groove are opposite to each other. The top end of the waterproof zipper according to claim 5, wherein the first part of the slider The wing is connected to the surface of the connecting neck to a central height of the two-chain cloth in the thickness direction, and the free end surface of the outer anti-seeping strip has a first spacing to the center mask of the two-chain cloth in the thickness direction. The third height is equal to or slightly smaller than the first pitch. The upper end of the waterproof zipper according to the fifth aspect of the invention, wherein the inner surface of the body is also convexly provided with an outer anti-seepage strip and an inner anti-seepage strip, and the outer anti-seepage strip and the inner set are disposed In contrast to the outer outer barrier strip, the inner impervious strip disposed in the inner portion is opposed to the inner impervious strip provided on the outer portion. The upper end of the waterproof zipper according to claim 7, wherein the first wing and the second wing of the sliding member have a fourth height between the surface for connecting the connecting neck, and the two outer impervious strips There is a second spacing between the free end faces, the fourth height being equal to or slightly smaller than the second spacing. The top end of the waterproof zipper according to claim 5, wherein the body is bonded to the two-chain cloth by a method of injection molding. The upper end of the waterproof zipper according to claim 5, wherein the inside of the body is provided with a retaining wall and an extending piece, and the retaining wall and the extending piece straddle the two-chain cloth, and the extending piece is adjacent to The retaining wall extends away from the receiving groove to maintain the two-chain cloth on the opposite end edges of the body from the extending piece. The upper end of the waterproof zipper according to claim 10, wherein the extending piece is formed in a gapless shape corresponding to the opposite end edges of the two-chain cloth. A waterproof zipper comprising a two-chain cloth, the upper chain is coupled with the two-chain cloth, the two-chain cloth is respectively provided with a plurality of sprocket teeth at opposite end edges of the upper end, and a sliding member is provided to control the plurality of sprocket teeth Engaging or disengaging, characterized in that: the top stop is the top stop described in any one of claims 1 to 11, and the two extension strips are respectively connected to two opposite sprocket teeth adjacent to the top stop, respectively The extension strip protrudes from the two chain cloths at a height equal to or lower than each of the fastener elements, and the upper end of the extension strip connects or covers the two extension strips so that the top stop is closest to the number The ends of the sprocket teeth are at the same height as the plurality of sprocket teeth.