TW202344203A - Lower stop device of anti-pinch zipper and assembly structure of lower stop device - Google Patents

Abstract

The invention provides a lower stop device of an anti-pinch zipper and an assembly structure of the lower stop device. The lower stop device is provided with a lower stop block and a movable bolt which are respectively combined at the lower ends of two zipper belts of the anti-pinch zipper, the lower stop block is a component for inserting and pulling out the movable plug pin, is formed at the lower end of the zipper cloth in a direct injection molding manner, and is provided with a groove structure for stabilizing a reversely folded zipper tooth belt of the zipper cloth and a supporting structure for clamping the front and back surfaces of the zipper cloth; the movable plug pin is formed at the lower end of the other zipper cloth in a direct injection molding mode, can penetrate through a zipper head and then is inserted into the lower stop block so as to lead the other zipper cloth to penetrate through the zipper head, and the movable plug pin is also provided with a groove structure for stabilizing the reversely folded zipper tooth belt of the other zipper cloth and a supporting structure for clamping the front face and the back face of the other zipper cloth. Therefore, the anti-pinch zipper structure can be applied to the open-end anti-pinch zipper, and the purposes of stabilizing the zipper cloth structure of the anti-pinch zipper, resisting transverse tension and the like are achieved.

Description

Anti-pinch zipper bottom stop device and its assembly structure

The present invention relates to the technical field of anti-pinch zippers, and in particular to a lower stop device for an anti-pinch zipper and its assembly structure, so that the anti-pinch zipper can be further used as an open-tail anti-pinch zipper, which is suitable for installation on the front of a jacket.

Zippers are commonly used in clothing today, whether they are used in pockets of clothing, openings in trousers/skirts, or on the lapels of jackets, etc. As long as the clothing has an inner lining, when the zipper head moves, it may get caught in the inner part. The fabric will cause the zipper head to move sluggishly; if the inner fabric is seriously involved, it will cause the entire zipper head to be stuck and completely unable to move forward or backward. Destructive repairs are often required to restore the original functions of the clothing and zipper. To this end, the prior art has proposed various anti-pinch zipper design solutions, such as those shown in patent cases such as WO2014033926A1, US6701584B2, EP3289908A1, CN107567291A, CN106333432A, CN104106888A, and CN211298642U. However, the above technologies are not ideal. The applicant in this case once proposed a Anti-pinch zipper (Patent No. M624460), an invention application was filed at the same time.

The main feature of the anti-pinch zipper shown in the above-mentioned patent number M624460 is that the inner edge of the zipper fabric is folded into a sprocket belt, and then the sprocket teeth are combined in front of the sprocket belt, and then a zipper head with a special structure is used to drive the two sprocket teeth. When the zipper puller slides, the two wings on the back will move in the sliding space under the sprocket belt. The chain cloth is used as a barrier, so the two wings will not come into contact with the lining of the clothing, thus achieving the anti-pinch function. . However, when the above-mentioned anti-pinch zipper structure is further applied to become an open-tail anti-pinch zipper, its lower end still lacks the ability to stabilize the reflexed structure so that it has better resistance to lateral tension, and the lower end of the zipper is easier to insert. The best technical solution for lower stop device. For this reason, the applicant of this case further proposes an anti-pinch zipper bottom stop device and its assembly structure to overcome the above-mentioned problems.

The object of the present invention is to provide a lower stop device for an anti-pinch zipper and its assembly structure, thereby stabilizing the reflexed sprocket shape of the anti-pinch zipper fabric, with better resistance to lateral tension, and at the same time, it is easier to Cross-use and other functions.

In order to achieve the above object, the preferred technical solution of the lower stop device of the anti-pinch zipper of the present invention includes: a stop block and a movable pin for respectively combining the lower ends of the two chain straps of an anti-pinch zipper, wherein:

The lower stop block is used to be combined with the lower end of one of the two chain belts. It is integrally formed with a square block, a fixed pin, a first support piece, a first chain cloth groove, a slot and a communication groove. ; The two sides of the center line of the block are respectively defined as a first half and a first side, and a second half and a second side. The upper end of the first half protrudes upward from the fixing pin; the first half The support piece is connected behind the block and the fixing pin, and protrudes laterally from the outer side of the block and the fixing pin to the first side, and a first clamping block is formed in front of the outer side of the first support piece ; The first chain distribution groove is located between the fixed pin and the first support piece, which extends downward from the upper end of the fixed pin to the upper end of the block, and has an upper end facing the fixed pin and the first side the first opening; the slot extends downward from the upper end of the second half of the block, providing the movable plug pin to be inserted downwardly into the slot from the upper end of the block; the communication slot is located in the second half and adjacent to The position of the center line extends downward and connects the slot and the back of the block from front to back;

The movable plug pin is used to be combined with the lower end of the other chain strap of the two chain straps. It is integrally formed with a plug tip body, a second support piece and a second chain cloth groove. The plug tip body is corresponding to the slot. A strip of cross-sectional shape; the second support piece is connected to the back of the plug body and laterally protrudes from the outer edge of the plug body. When the plug body is inserted into the above-mentioned slot, the second support piece The piece is located on the second side of the block, and a second clamping block is formed in front of the outer edge of the second supporting piece; the second chain distribution groove is formed between the plug body and the second supporting piece, and the second supporting piece is The two chain distribution grooves have a second opening facing the upper end and outer side of the plug body.

In order to achieve the above object, the assembly structure of the lower stop device of the anti-pinch zipper of the present invention includes an anti-pinch zipper, which has two chain belts and a zipper head that drives the two chain belts to be linked or separated from each other; the two chain belts There is a chain cloth and a chain tooth respectively; the inner side of each chain cloth is folded toward the front side of the chain cloth and toward the outer side to form a chain tooth belt, and a chain tooth belt is formed between the chain chain cloth and the chain cloth. A sliding space, the opening side of the sliding space faces the outer edge of the chain cloth; the chain teeth are combined with the chain tooth belt on the front of the chain cloth, so that the chain teeth are located on the front of the chain cloth, and the chain The wrong side of the cloth covers the sprocket teeth;

The lower stop block is made of plastic injection molding at the lower end of one of the two chain belts, so that the inner edge of the chain cloth and its sprocket teeth are fixed in the first chain cloth groove, and the block and the fixed The pin is connected to the front of the sprocket belt of the chain cloth, the first clamping block is closely connected to the front of the chain cloth, the front of the first support piece is closely connected to the back of the chain cloth; and the movable plug pin is injection molded by plastic. The lower end of the other chain cloth of the two chain belts is such that the inner side of the other chain cloth and its sprocket teeth are fixed in the second chain cloth groove, and the plug body is joined to the chain of the other chain cloth. On the front side of the toothed belt, the front side of the second supporting piece is in close contact with the back side of the other chain cloth.

The anti-pinch zipper bottom stop device and its assembly structure of the present invention can achieve the following effects:

(1) Stabilize the shape of the reflexed sprocket belt of the anti-pinch zipper chain cloth. The present invention enables the sprocket belt of the anti-pinch zipper shown in Patent No. M624460 (an invention application filed at the same time) to maintain a reflexed structure, so that the anti-pinch zipper can be further used as an open-tail anti-pinch zipper.

(2) It has better resistance to lateral tensile force. Since open-tail anti-pinch zippers are usually used on both sides of jackets and are often pulled apart or plugged together by users, the present invention uses a structure that can be injection molded to clamp and shape the front and back sides of the zipper fabric to prevent pinching. The lower stop device of the zipper has better resistance to lateral tension, can more effectively maintain the anti-pinch structure of the zipper fabric, and makes it easier to insert the zipper when opening and closing.

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

Referring to Figures 1 and 2, the lower stop device of the anti-pinch zipper of the present invention is used to combine the lower ends of two chain belts 31, 31' of an anti-pinch zipper 30. When the two chain belts 31, 31' are connected by a zipper, When the zipper head 40 is completely opened, the lower ends of the two chain belts 31 and 31' can be disassembled and separated; also when the two chain belts 31 and 31' are driven to be linked together by the zipper head 40, the two chain belts 31 and 31' can be separated. The 31' lower ends are joined together, so it is suitable for use as an open-tail anti-pinch zipper, which can be further installed on the front of a jacket, etc. Referring again to Figures 3, 4 and 5, the preferred embodiment includes a stop block 10 and a movable pin 20, wherein:

The lower stop block 10 is used to be combined with the lower end of the chain cloth 311 of one of the two chain belts 31, 31', and as shown in Figures 6 to 8, the lower stop block 10 is integrally formed with a square block 11, A fixed pin 12 , a first support piece 13 , a first chain groove 14 , a slot 15 and a communication groove 16 . As shown in Figures 4 and 8, the two sides of the center line C1 of the block are respectively defined as a first half 111 and a first side S1, and a second half 112 and a second side S2. The first half The upper end of the half portion 111 protrudes upward from the fixing pin 12 . The first supporting piece 13 is connected behind the block 11 and the fixing pin 12, and protrudes laterally from the outer edges of the block 11 and the fixing pin 12 to the first side S1. The outer side of the first supporting piece 13 A first clamping block 131 is formed on the front side of the side. The first chain distribution groove 14 is located between the fixing pin 12 and the first support piece 13. It extends downward from the upper end of the fixing pin 12 to the upper end of the block 11, and has an upper end facing the fixing pin 12. and the first opening 141 of the first side S1. The slot 15 extends downward from the upper end of the second half 112 of the block 11, and the movable plug pin 20 is inserted downwardly into the slot 15 from the upper end of the block 11, so that the two chain straps 31, 31' can be The lower ends are joined together. The communication slot 16 is located in the second half 112 and extends downward adjacent to the center line C1, and connects the slot 15 and the back of the block 11 front and back. Furthermore, the front side of the inner side of the first supporting piece 13 has a first connecting portion 17 connected behind the fixing pin 12 , and the first connecting portion 17 is adjacent to the first fastener groove 14 .

The movable plug pin 20 is used to be coupled to the lower end of the other chain strap 31' of the two chain belts 31, 31'. Refer to Figures 4, 5, 9 and 10 together. The movable plug pin 20 A plug body 21, a second support piece 22 and a second chain cloth groove 23 are integrally formed. The plug body 21 is a strip corresponding to the cross-sectional shape of the slot 15 , such as a rectangular strip, and is used to pass through the zipper head 40 and then be inserted into the slot 15 of the bottom stop 10 . The second supporting piece 22 is connected to the back of the plug body 21 and protrudes laterally from the outer edge of the plug body 21. When the plug body 21 is inserted into the slot 15, the second supporting piece 22 22 is located on the second side S2 of the block 11, and a second clamping block 221 is formed in front of the outer side of the second supporting piece 22. The second fastener groove 23 is formed between the plug body 21 and the second support piece 22 . The second fastener groove 23 has a second opening 231 toward the upper end of the plug body 21 and its outer side. . The front side of the inner side of the second supporting piece 22 has a second connecting portion 24 connected to the back of the plug body 21 , and the second connecting portion 24 is adjacent to the second chain cloth groove 23 .

Referring again to FIG. 5 , the above-mentioned preferred embodiment of the lower stop block 10 can further be integrally formed with a lower edge strip 18 and a receiving recess 19 . The lower edge strip 18 is located behind the second half 112 of the block 11 at the lower edge, and is laterally connected to the inner edge of the first support piece 13 . The accommodating recess 19 is formed above the lower edge strip 18 and behind the second half 112 of the block 11, and is used for inserting the plug body 21 of the movable plug 20 into the slot 15. The second supporting piece 22 just fits the receiving recess 19 , and the lower strip 18 can also resist the lower side of the second supporting piece 22 , and the above-mentioned communication groove 16 of the lower stop 10 can be in the plug body 21 When the slot 15 is inserted, the second connecting portion 24 on the inner side of the second supporting piece 22 is used to accommodate the second connecting portion 24 on the inner side of the second supporting piece 22, so that the bottom stop 10 and the back of the movable plug pin 20 can be kept flat, and the movable plug tip can be improved. 20 combined with the lower stop 10 for stability.

Referring again to FIGS. 6 and 7 , there is a first fabric seam 132 between the first support piece 13 of the lower stop block 10 and the first clamping block 131 . The blocks 131 are connected together through at least one first connecting pin 133, and two first connecting pins 133 are shown in the figure. Referring to FIGS. 9 and 10 , there is a second fabric seam 222 between the second supporting piece 22 of the movable plug pin 20 and the second clamping block 221 . The second supporting piece 22 and the second clamping block 221 They are connected together through at least one second connecting pin 223, and two second connecting pins 223 are shown in the figure. Furthermore, the first supporting piece 13 and the second supporting piece 22 are respectively provided with at least one through hole 134 and 224 connecting the front and rear thereof. As shown in the figure, there are three through holes 134 and 224 respectively.

Referring again to Figures 1 and 2, the present invention further proposes an assembly structure based on the above-mentioned anti-pinch zipper bottom stop device, which includes an anti-pinch zipper 30. The anti-pinch zipper 30 is the same as the patent number previously proposed in the present invention. M624460, which has two chain belts 31, 31' and a zipper head 40 that drives the two chain belts 31, 31' to be linked or separated from each other. The two chain belts 31 and 31' respectively have a chain cloth 311 and a chain tooth 312; the inner side of each chain cloth 311 is folded toward the front side of the chain cloth 311 and toward the outer side to form a chain tooth. The belt 313 forms a sliding space 314 between the sprocket belt 313 and the chain cloth 311. The opening side of the sliding space 314 faces the outer side of the chain cloth 311; the sprocket 312 is a nylon sprocket or a sprocket. The plastic sprocket teeth are combined in front of the sprocket belt 313 on the front side of the chain cloth 311, so that the sprocket teeth 312 are located on the front side of the chain cloth 311, and the back side of the chain cloth 311 can just cover the sprocket teeth 312. The zipper puller 40 is the zipper puller of the anti-pinch zipper with patent number M624460 previously proposed in the present invention. When it slides, the convex plates 411 of the second guide plate 41 on both sides of the zipper puller 40 can slide on the sprocket belt 313 It slides in the sliding space 314 below to prevent contact with the lining of clothing, thereby achieving the anti-pinch function.

Based on the above anti-pinch zipper 30 structure, the lower stop block 10 of the present invention is made of plastic injection molding at the lower end of the chain cloth 311 of one of the two chain straps 31, 31', so that the inner side of the chain cloth 311 The edge and its sprocket belt 313 are fixed in the first sprocket groove 14 (as shown in Figure 7). When the lower stop 10 is injection molded (in-mold injection molding), not only the first fastener groove 14 is used to fix the inner edge of the fastener 311 and its sprocket belt 313, but also the square 11 of the lower stop 10 is fixed with The pin 12 is also joined in front of the sprocket belt 313 of the chain cloth 311, and the first clamping block 131 is also closely connected to the front side of the chain cloth 311, and the first support piece 13 is located behind the chain cloth 311, so that the third The front side of a supporting piece 13 is in close contact with the back side of the fastener cloth 311 . Thereby, a structure is formed in which the bottom stop 10 is firmly coupled to the front and back sides of the chain cloth 311 , the shape of the reflexed sprocket belt 313 is maintained through the first chain cloth groove 14 , and the first supporting piece 13 is used to The first clamping block 131 clamps the chain cloth 311 and has better resistance to lateral pulling force.

Based on the above anti-pinch zipper 30 structure, the movable plug pin 20 of the present invention is made of plastic injection molding at the lower end of the chain cloth 311 of the other chain strap 31' of the two chain belts 31, 31', so that the other chain cloth 311 The inner edge and its sprocket belt 312 are fixed in the second fastener cloth groove 23 (as shown in Figure 9); the plug body 21 is joined in front of the sprocket belt 312 of the other fastener cloth 311, and the second fastener cloth 311 The two supporting pieces 22 are located behind the other fastener cloth 311, so that the front side of the second supporting piece 22 is in close contact with the back side of the other fastener cloth 311. Thereby, a structure is formed in which the movable pin 20 is firmly coupled to the front and back sides of the other fastener cloth 311, and the second fastener cloth groove 23 maintains the shape of the reflexed sprocket belt 313 of the other fastener cloth 311, and utilizes The second supporting piece 22 and its second clamping block 221 clamp the front and back of another fastener cloth 311, so that it has better resistance to lateral pulling force.

As mentioned above, the present invention has a first cloth gap 132 structure between the first support piece 13 and the first clamping block 131. Therefore, when the lower stop block 10 is injection molded, one of the two chain belts 311 can be accommodated. In the first fabric seam 132, the first support piece 13 and the first clamping block 131 are connected together through the first connecting pin 133 through the fastener fabric 311, which can produce an effect of resisting lateral force. In addition, there is a second cloth seam 222 between the second supporting piece 22 and its second clamping block 221, so the lower end of the chain cloth 311 of the other chain belt 31' of the two chain belts 31, 31' is injection molded. When the pin 20 is moved, the other fastener cloth 311 is accommodated in the second cloth slit 222 , and the second support piece 22 and its second clamping block 221 pass through the second fastener cloth 311 through the second connecting pin 223 . 331 are connected together to produce the effect of resisting lateral force.

To sum up, the anti-pinch zipper lower stop device and its assembly structure of the present invention are indeed practical and creative, and the use of its technical means is undoubtedly novel, and the effect is indeed consistent with the design purpose, and it is said to be reasonable. Progress to enlightenment. For this reason, I filed an invention patent application in accordance with the law, but I sincerely request the Jun Bureau to review it carefully and grant a patent.

10:Lower stop block 11: Square 111:First half 112:Second half 12: Fixed tip 13:First support film 131: First clamping block 132:The first seam 133: First connection pin 134:Through hole 14: First chain cloth trough 141:First opening 15:Slot 16: Connected slot 17:First connection part 18: Bottom strip 19: Accommodation recess C1: Center line S1: first side S2: Second side 20:Active plugging 21:Plug body 22: Second support piece 221:Second clamping block 222:Second seam 223:Second connecting pin 224:Through hole 23:Second chain cloth trough 231:Second opening 24:Second connection part 30: Anti-pinch zipper 31, 31’: chain belt 311:chain cloth 312:Sprocket teeth 313:Sprocket belt 314:Sliding space 40: Zipper head 41:Second guide plate 411:convex plate

[Figure 1] is a three-dimensional schematic diagram of the application of the present invention to form an open-tail anti-pinch zipper. [Fig. 2] is a schematic front view of the assembly structure of the anti-pinch zipper lower stop device of the present invention. [Fig. 3] is a schematic three-dimensional view of the assembly of the lower stop device of the anti-pinch zipper of the present invention. [Fig. 4] is an exploded schematic front view of the lower stop device of the anti-pinch zipper of the present invention. [Fig. 5] is an exploded schematic rear view of the lower stop device of the anti-pinch zipper of the present invention. [Fig. 6] is a schematic front perspective view of a preferred embodiment of the lower stop of the present invention. [Fig. 7] is a schematic top view of a preferred embodiment of the lower stop block of the present invention. [Fig. 8] is a schematic front view of a preferred embodiment of the lower stop block of the present invention. [Fig. 9] is a schematic top view of a preferred embodiment of the movable plug pin of the present invention. [Fig. 10] is a schematic front view of a preferred embodiment of the movable plug pin of the present invention.

10:Lower stop block

11: Square

12: Fixed tip

131: First clamping block

14: First chain cloth trough

15:Slot

20:Active plugging

21:Plug body

221:Second clamping block

30: Anti-pinch zipper

31, 31’: chain belt

311:chain cloth

312:Sprocket teeth

313:Sprocket belt

314:Sliding space

40: Zipper head

41:Second guide plate

411:convex plate

Claims (8)

A lower stop device for an anti-pinch zipper, which includes a stop block and a movable pin for respectively combining the lower ends of two chain straps of an anti-pinch zipper, wherein: The lower stop block is used to be combined with the lower end of one of the two chain belts. It is integrally formed with a square block, a fixed pin, a first support piece, a first chain cloth groove, a slot and a communication groove. ; The two sides of the center line of the block are respectively defined as a first half and a first side, and a second half and a second side. The upper end of the first half protrudes upward from the fixing pin; the first half The support piece is connected behind the block and the fixing pin, and protrudes laterally from the outer side of the block and the fixing pin to the first side, and a first clamping block is formed in front of the outer side of the first support piece ; The first chain distribution groove is located between the fixed pin and the first support piece, which extends downward from the upper end of the fixed pin to the upper end of the block, and has an upper end facing the fixed pin and the first side the first opening; the slot extends downward from the upper end of the second half of the block, providing the movable plug pin to be inserted downwardly into the slot from the upper end of the block; the communication slot is located in the second half and adjacent to The position of the center line extends downward and connects the slot and the back of the block from front to back; The movable plug pin is used to be combined with the lower end of the other chain strap of the two chain straps. It is integrally formed with a plug tip body, a second support piece and a second chain cloth groove. The plug tip body is corresponding to the slot. A strip of cross-sectional shape; the second support piece is connected to the back of the plug body and laterally protrudes from the outer edge of the plug body. When the plug body is inserted into the above-mentioned slot, the second support piece The piece is located on the second side of the block, and a second clamping block is formed in front of the outer edge of the second supporting piece; the second chain distribution groove is formed between the plug body and the second supporting piece, and the second supporting piece is The two chain distribution grooves have a second opening facing the upper end and outer side of the plug body. The anti-pinch zipper bottom stop device according to claim 1, wherein the front side of the inner edge of the first supporting piece has a first connecting portion connected behind the fixing pin, and the first connecting portion is adjacent to the first Chain cloth groove. The anti-pinch zipper bottom stop device according to claim 2, wherein the front of the inner edge of the second support piece has a second connecting portion connected to the rear of the plug body, and the second connecting portion is adjacent to the third Two chain cloth trough. The lower stop device of the anti-pinch zipper according to claim 3, wherein the lower stop block is integrally formed with a lower edge strip and a receiving recess, and the lower edge strip is located at the rear lower edge of the second half of the block and is horizontally Connected to the inner side of the first support piece; the accommodating recess is located above the lower edge strip and behind the second half of the block. When the plug body for the movable plug is inserted into the slot, The second supporting piece is fitted into the accommodating recess, and the lower side strip resists the lower edge of the second supporting piece, and the communication groove of the lower stop block can accommodate the second connecting portion of the second supporting piece. The lower stop device of the anti-pinch zipper according to claim 1, wherein there is a first cloth slit between the first support piece and the first clamp block, and there is a first cloth slit between the first support piece and the first clamp block. A first connecting pin is connected together; there is a second cloth slit between the second supporting piece and the second clamping block, and a second connecting pin is connected between the second supporting piece and the second clamping block. Together. The lower stop device for an anti-pinch zipper as claimed in claim 5, wherein the first supporting piece and the second supporting piece are provided with a through hole connecting the front and rear thereof. An assembly structure of a lower stop device for an anti-pinch zipper according to any one of claims 1 to 6, which includes an anti-pinch zipper with two chain belts and a zipper head that drives the two chain belts to be linked or separated from each other. ; The two chain belts respectively have a chain cloth and a chain tooth; the inner side of each chain cloth is folded toward the front side of the chain cloth and toward the outer side to form a chain tooth belt. A sliding space is formed between the chain cloths, and the open side of the sliding space faces the outer edge of the chain cloth; the chain teeth are combined with the chain tooth belt on the front of the chain cloth, so that the chain teeth are located on the outer side of the chain cloth. The front side, and the back side of the chain cloth covers the chain teeth; The lower stop block is made of plastic injection molding at the lower end of one of the two chain belts, so that the inner edge of the chain cloth and its sprocket teeth are fixed in the first chain cloth groove, and the block and the fixed The pin is joined to the front of the sprocket belt of the chain cloth, the first clamping block is in close contact with the front of the chain cloth, and the front of the first support piece is in close contact with the back of the chain cloth; and The movable plug pin is injection-molded with plastic at the lower end of the other chain cloth of the two chain belts, so that the inner edge of the other chain cloth and its sprocket belt are fixed in the second chain cloth groove, and the plug pin body Joined to the front of the sprocket belt of the other fastener, the front of the second support piece is in close contact with the back of the other fastener. The lower stop device of the anti-pinch zipper according to claim 7, wherein there is a first cloth slit between the first support piece and the first clamp block, and one of the two chain straps is accommodated in the first cloth slit. Cloth seam, the first support piece and the first clamping block are connected together through a first connecting pin passing through the chain cloth; and There is a second fabric slit between the second support piece and the second clamping block. The other chain fabric of the two chain belts is accommodated in the second fabric slit. Between the second supporting piece and the second clamping block They are connected together through a second connecting pin passing through the other chain cloth.

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