TW201918185A - Zipper with waterproof and sealable opening capable of preventing the sliding member from disengagement and completely sealing the uppermost end of two chain belts - Google Patents

Abstract

The present invention discloses a zipper with a waterproof and sealable opening, which comprises two plastic chain belts and a sliding member for driving the two chain belts to be engaged with each other or disengaged from each other. The upper end of a track portion on one side of each of the two chain belts is integrally formed with a stop block. Alternatively, a section of the track portion of one of the chain belts is cut and the cut track portion is welded or adhered to the upper end of the track portion of the other chain belt so as to form a stop block structure. At the same time, one of the stop blocks is provided with a receiving groove corresponding to a track groove of the track portion, so that a bump in the structure of the sliding member may slide into the receiving groove. As a result, the sliding member may slide to the uppermost end of the two chain belts, thereby not only preventing the sliding member from disengagement, but also completely sealing the uppermost end of the two chain belts.

Description

Open waterproof sealing zipper

The invention relates to a waterproof sealing zipper, in particular to an open waterproof sealing zipper capable of preventing the sliding component from being detached from the upper end and having the upper end more sealed and waterproof.

Today's waterproof sealing zippers are mainly used in products requiring waterproofing, such as wetsuits, raincoats, waterproof bags, etc., and their construction is, for example, shown in US Pat. No. 7,536,758, US Pat. No. 2,771,181, US 672,1999, or US Pat. The two chain pieces 10a, 10b made of plastic, the chain faces of the chain pieces 10a, 10b are respectively formed with a rail portion 101a, 101b, and each of the rail portions 101a, 101b forms a convex rail and a groove, thereby passing a zipper head The rail portions 101a and 101b that are connected to the two-link piece 20 can cause the rail portions 101a and 101b of the two-link sheet to be coupled (engaged) or separated from each other when the slider unit 20 is slid. However, the convex rails and the grooves of the rail portions 101a, 101b of the above-mentioned two-chain sheets 10a, 10b are elongated, and when they are meshed (engaged) with each other, unlike the sprocket engaging structure of the conventional zipper, the axial-toothed structure is resistant to axial displacement. Therefore, the two ends of the two-chain sheets 10a, 10b must implement a fusion portion 102a, 102b, and the two-chain sheets 10a, 10b are heat-fused together, but this cannot be applied to a jacket type like a conventional open-end zipper. On the item. To this end, the creator of the case has proposed a technique of waterproofing and sealing the zipper (such as the patent of Chinese Patent Publication No. I558335), so that the tail end of the above-mentioned two-chain piece can be arbitrarily separated or chained through a square, and can be prevented at the same time. The two chain pieces are axially staggered.

However, the technique of the above-mentioned publication No. I558335 discloses that the tail end (lower end) of the waterproof sealing zipper can be arbitrarily opened and closed (opening), and the upper end has no corresponding opening and closing technology, and the two-chain piece 10a cannot be achieved. 10b can be completely separated for the purpose of use. Furthermore, the upper end of the waterproof sealing zipper adopts the technique of heat-pressure fusion shown in FIG. 1 and FIG. 2, and when the zipper head 20 is pulled to the upper end, the zipper head 20 cannot be pulled to the bottom due to the heat-pressure fusion structure ( As shown in Fig. 2, it will result in a section of the unbonded portion 30 at the upper end of the two-chain sheets 10a, 10b, which will cause water leakage. Therefore, how to improve the structure of the upper end of the waterproof sealing zipper, so that the two chain pieces 10a, 10b can be linked and separated and prevent the zipper head 20 from falling off, and at the same time, the zipper head 20 can be pulled to the uppermost end when the chain is coupled, so that the two chains The upper ends of the sheets 10a and 10b can be surely linked and sealed, which is a problem to be actively overcome in the present invention.

The main object of the present invention is to provide an open waterproof sealing zipper which implements a blocking block by the upper ends of two chain belts, so that the upper ends of the two chain belts can be separated or driven by the zipper head, and can be driven by the blocking blocks. Prevent the zipper head from coming off.

Another object of the present invention is to provide an open waterproof sealing zipper that implements a receiving groove by a blocking block at an upper end of one of the chain belts, so that a bump structure in the zipper head can slide into the accommodating groove. So that the zipper head can be pulled to the uppermost end of the two chain belts, ensuring that the two chain belts are completely chained and sealed.

In order to achieve the above object, a preferred embodiment of the open waterproof sealing zipper of the present invention comprises: a first chain belt and a second chain belt for chaining to each other, the first chain belt being opposite to the second chain belt One side of the chain has a first rail portion and a second rail portion for straight links with each other, and the link surfaces of the first rail portion and the second rail portion respectively extend linearly to each of the chains a rail groove with two ends and a rail; a sliding member slidably coupled between the first rail portion and the second rail portion, the sliding member having a lobe sliding on the rail of the first rail portion a sliding member driving the rail groove and the rail of the first rail portion and the second rail portion to engage or disengage from each other; and an upper end of the first rail portion of the first chain belt for blocking the sliding member Disengaging the first stop block of the first track portion, and a receiving groove of the protrusion for receiving the sliding element is recessed on one side of the first stop block, the one end of the receiving groove is connected to the first a rail groove of the track portion, the other end of the receiving groove is a Closed end.

The open waterproof sealing zipper of the invention can achieve the following effects:

(1) The upper end of the two-chain belt can be separated, and the technology of the previously approved waterproof seal-opening zipper (patent No. I558335) can make the conventional waterproof sealing zipper realize the opening waterproof sealing zipper, which is particularly suitable for application. In jackets, raincoats and other supplies.

(2) When the sliding member slides and drives the first rail portion and the second rail portion to engage with each other, the first blocking block and the second blocking block can be utilized to prevent the sliding member from being detached from the upper end. And when the two chain belts are separated, the sliding element is sleeved on the first chain belt to prevent the sliding element from coming off the first chain belt.

(3) The accommodating groove of the first stopping block can accommodate the convex block in the sliding element structure, and the sliding element is pulled to the upper end position, ensuring that the two chain belts are completely chain-sealed, and the upper end is more sealed and leakproof. efficacy.

The structural features and other functions and purposes of the present invention are described in detail below with reference to the accompanying drawings:

As shown in FIG. 3, FIG. 4 and FIG. 5, the open waterproof sealing zipper of the present invention is a waterproof sealing zipper which can be applied to various waterproof and rainproof equipment such as a wetsuit, a raincoat and a waterproof bag, and the preferred specific one is The embodiment includes: a first chain belt 1a and a second chain belt 1b for interlocking and separating from each other, the first chain belt 1a and the second chain belt 1b are long in plastic injection or extrusion. a strip, the first link belt 1a and the second link belt 1b are integrally coupled to each other with a straight first rail portion 11a and a second rail portion 11b for coupling with each other, the first rail portion 11a The rail surface of the second rail portion 11b is integrally formed with a rail groove 111a, 111b extending linearly to each end of the chain strip and a rail 112a, 112b, respectively, as shown in the figure, two rail grooves 111a, 111b and two rails 112a, 112b. The rail grooves 111a and 111b of the first rail portion 11a and the second rail portion 11b are respectively recessed in the cross-sectional direction, and each of the rails 112a and 112b is a cross section. A rib that is flush with each of the chain faces.

a sliding member 2 slidably coupled between the first rail portion 11a and the second rail portion 11b, the inner structure of the sliding member 2 having a projection sliding in the rail groove 111a of the first rail portion 11a 21, when the user pulls the sliding member 2 to use, the rail grooves 111a, 111b and the rails 112a, 112b capable of driving the first rail portion 11a and the second rail portion 11b are engaged or disengaged from each other, only the sliding member 2 The structure, purpose and function are known techniques and will not be described again. as well as

a first stop block 3 formed at an upper end of the first rail portion 11a of the first link belt 1a, and a second stop block 4 formed at an upper end of the second rail portion 11b of the second link belt 1b The first blocking block 3 is preferably implemented as a rectangular block that fills the rail groove 111a of the first rail portion 11a and the rail 112a, and slides the sliding member 2 to drive the first rail portion 11a and the second portion. When the rail portions 11b are engaged with each other, the first blocking block 3 can be used to block the sliding member 2 from being detached from the upper end portion of the first rail portion 11a, and the other end of the first chain belt 1a is provided with another third blocking block 5 Therefore, the sliding member 2 can be normally joined to the first chain belt 1a to prevent the sliding member 2 from coming off the first chain belt 1a.

In particular, as shown in FIG. 4, FIG. 5 and FIG. 6, a receiving groove 31 for accommodating the structure of the bump 21 in the sliding member 2 is recessed on one surface of the first blocking block 3 of the present invention. One end of the accommodating groove 31 communicates with the rail groove 111a of the first rail portion 11a, and the other end of the accommodating groove 31 is a closed end. One of the preferred embodiments is formed at the other end of the accommodating groove 31. A direction toward the rail groove 111a serves to block the blocking surface 32 of the projection 21, so that the projection 21 can be blocked by the blocking surface 32.

Referring to FIG. 3 and FIG. 5, the structure of the first blocking block 3 at the upper end of the first chain belt 1a and the structure of the receiving groove 31 of the first stopping block 3 are not only prevented. The sliding element 2 is detached from the first chain belt 1a. More specifically, the present invention can allow the projection 21 of the sliding element 2 to slide into the accommodating groove 31, so that the sliding element 2 can be driven at the upper end. The one chain belt 1a and the second chain belt 1b are completely chained together without a length of the unjoined portion 30 shown in Fig. 2, so that the present invention can simultaneously achieve a more sealing and leakproof effect.

Referring to FIG. 6, one of the preferred embodiments of the first blocking block 3 is such that the first blocking block 3 and the first rail portion 11a are integrally formed, that is, the plastic injection is performed by using a mold. In the molding, the first chain belt 1a, the first blocking block 3 and the receiving groove 31 are formed together. If the first chain belt 1a and the second chain belt 1b are formed by extrusion or drawing, referring to another preferred embodiment shown in FIGS. 7 and 8, the first blocking block 3 is the same. The second rail portion 11b cuts a section of the rail block 3', that is, takes out a section of the second chain 1b that has been extruded, cuts a section of the second rail portion 11b into the rail block 3', and then the rail The rail groove 111b of the block 3' and the rail bar 112b are respectively engaged with the rail groove 111a of the first rail portion 11a and the rail 112a, and the rail block 3' is fused or bonded inseparably from the first rail portion 11a. Together, a configuration of the receiving groove 31 is then machined.

Referring to FIG. 4, FIG. 5 and FIG. 9, the upper end of the second rail portion 11b of the second chain belt 1b of the present invention may also be formed with a second portion for blocking the sliding member 2 from being disengaged from the second rail portion 11b. The blocking block 4 is preferably embodied as a rectangular block that fills the rail groove 111b of the second rail portion 11b and the rail 112b. As shown in FIG. 9, one of the preferred embodiments of the second blocking block 4 is such that the second blocking block 4 and the second rail portion 11b are integrally formed, that is, when the plastic injection molding is performed by using a mold. The structure of the second chain belt 1b and the second blocking block 4 is formed together. Similarly, if the first chain belt 1a and the second chain belt 1b are formed by extrusion or drawing, referring to another preferred embodiment shown in FIGS. 10 and 11, the second blocking block 4 a section of the rail block 4' cut by the first rail portion 11a, and then the rail groove 111a and the rail 112a of the rail block 4' are respectively engaged with the rail groove 111b and the rail of the second rail portion 11b. The strip 112b further fused or bonded the rail block 4' to the second rail portion 11b inseparably.

The open waterproof sealing zipper of the invention cooperates with the technology of the previously approved waterproof sealed open-end zipper (patent No. I558335), so that the conventional waterproof sealing zipper can be realized as an open waterproof sealing zipper, and is particularly suitable for use in a jacket, Raincoats and other supplies. When the user pulls the sliding member 2 to slide and drive the first rail portion 11a and the second rail portion 11b to engage each other, the first blocking block 3 and the second blocking block 4 can be utilized to prevent the sliding member 2 from being detached from the upper end. In particular, the configuration of the receiving groove 31 of the first blocking block 3 can accommodate the bump 21 in the structure of the sliding member 2, so that the sliding member 2 is pulled to the upper end position, and the upper end is more sealed and leakproof. efficacy.

In summary, the open waterproof sealing zipper of the present invention has practical and progressive performance, and the application of the technical means is also novel and undoubted, and the efficacy and design purpose are in line with the fact that it has been reasonably improved. To this end, the invention patent application was filed according to law, but the bureau was requested to give a detailed examination, and the patent was granted as a prayer.

1a‧‧‧First chain

1b‧‧‧second chain

11a‧‧‧First Track Department

111a‧‧ ‧ rail slot

112a‧‧‧Roads

11b‧‧‧Second track section

111b‧‧‧ rail slot

112b‧‧‧ rails

2‧‧‧Sliding components

21‧‧‧Bumps

3‧‧‧First stop block

3’‧‧‧Track block

31‧‧‧ accommodating trenches

32‧‧‧stop surface

4‧‧‧second stop block

4’‧‧‧ Track block

5‧‧‧ Third stop block

1 is a front view of a conventional waterproof sealing zipper and a zipper head thereof. 2 is a schematic cross-sectional view of a zipper head driving two-chain chain of a conventional waterproof sealing zipper. 3 is a perspective view showing the chained state of the open waterproof sealing zipper and the cross section of the sliding member of the present invention. 4 is a perspective view showing the separated state of the open waterproof sealing zipper of the present invention. Fig. 5 is a schematic cross-sectional view showing the chained state of the open waterproof sealing zipper of the present invention. Figure 6 is a schematic view showing a first preferred embodiment of the first stop block of the upper end of the first chain of the present invention. Figure 7 is an exploded perspective view showing a second preferred embodiment of the first stop block of the upper end of the first chain of the present invention. Figure 8 is a schematic view showing the combination of the second preferred embodiment of the first stop block of the upper end of the first chain of the present invention. Figure 9 is a schematic view of a first preferred embodiment of a second stop block at the upper end of the second chain of the present invention. Figure 10 is an exploded perspective view showing a second preferred embodiment of the second stop block at the upper end of the second chain of the present invention. Figure 11 is a schematic view showing the combination of the second preferred embodiment of the second stop block of the upper end of the second chain of the present invention.

Claims (9)

An open waterproof sealing zipper comprising: a first chain belt and a second chain belt for interlocking with each other, the first chain belt and the opposite side of the second chain belt respectively have a chain for coupling with each other a straight rail-shaped first rail portion and a second rail portion, wherein the stitching surfaces of the first rail portion and the second rail portion respectively have a rail groove and a rail extending linearly to each end of each of the chain straps; a sliding member slidably coupled between the first rail portion and the second rail portion, the sliding member having a lug sliding on a rail groove of the first rail portion, the sliding member driving the first rail portion And the rail groove and the rail of the second rail portion are engaged or separated from each other; and an upper end formed at the first rail portion of the first chain belt for blocking the first stop of the sliding member from the first rail portion And a receiving groove for receiving the protrusion of the sliding element, the one end of the receiving groove is connected to the rail groove of the first rail portion, the receiving groove The other end is a closed end. The opening waterproof sealing zipper according to claim 1, wherein the first rail portion and the rail groove of the second rail portion are respectively recessed in a cross-sectional direction, and the first rail portion is recessed into each of the engaging surfaces. The rails of the second rail portion are a ridge that is flush with each of the mating surfaces in the cross-sectional direction. The open waterproof sealing zipper of claim 1, wherein the first blocking block is a block that fills the rail groove and the rail of the first rail portion. The opening waterproof sealing zipper according to claim 1 or 3, wherein the other end of the accommodating groove forms a stopping surface for blocking the projection of the sliding member toward the rail groove. The open waterproof sealing zipper according to claim 1 or 3, wherein the first blocking block is integrally formed with the first rail portion. The opening waterproof sealing zipper according to claim 1 or 3, wherein the first blocking block is a section of the rail block cut by the second rail portion, and the rail groove and the rail strip of the rail block are respectively engaged in the rail block a rail groove of the first rail portion and a rail, the rail block being fused or bonded inseparably from the first rail portion. The opening waterproof sealing zipper according to claim 1, wherein an upper end of the second rail portion of the second chain belt is formed with a second blocking block for blocking the sliding member from the second rail portion, the second blocking member The stop block is a block that fills the rail groove and the rail of the second rail portion. The open waterproof sealing zipper of claim 7, wherein the second blocking block and the second rail portion are integrally formed. The opening waterproof sealing zipper of claim 7, wherein the second blocking block is a section of the rail block cut by the first rail portion, and the rail groove and the rail of the rail block are respectively engaged in the second a rail groove of the rail portion and a rail, the rail block being inseparably fused or bonded to the second rail portion.