TWI750014B - Closed zipper with combined bottom stop - Google Patents

Abstract

The present invention provides a closed-end zipper with a combined bottom stop. A bottom stop is provided at the end of one of the two zipper tapes of the zipper. The bottom stop has a pin hole, and the pin hole is provided with a first latch The other end is provided with an insert pin, the front or (and) side of the insert pin forms a second latching portion, the second latching portion matches the first latching portion of the bottom stop; thereby providing When used by the garment manufacturer, two separate zipper tapes can be sewn on the fabric through the template, and then the pin of the other zipper tape is inserted into the pin hole of the bottom stop block, so that the second latch and the first A latch part is snapped together to form a closed-end zipper with a combined bottom stop, so that the closed-end nylon zipper or resin zipper can be suitable for the automatic template sewing process, and the bottom stop is easy to assemble and stable without separation.

Description

Closed zipper with combined bottom stop

The present invention relates to a closed-end zipper, especially one that can separate two zipper tapes so as to be sewn on the left and right sides of clothing. After the sewing is completed, the bottom stop pieces of the two zipper tapes are merged together to become inseparable A closed zipper with a combined bottom stop.

Today’s clothing production process has developed to automated production. In the past, many sections that required skilled labor were gradually implemented by robots and other automated equipment. One of them was to use templates with automatic sewing machines to form a new automated production method. For example, sewing a zipper in the fabric section is an example. Since the template machine is used to sew a closed-end zipper (that is, the zipper whose ends of the two chain belts cannot be separated) to the fabric, because the zipper template is designed to separate the two sides, and the closed-end zipper can be stitched with a die. The tail ends of the two zipper tapes are separated, but the bottom stop block of the conventional closed-end zipper has fixed the ends of both sides of the zipper together, and the tail ends of the two zipper tapes can no longer be separated.

In response to the above-mentioned automatic sewing zipper on the fabric technology, a special closed-end zipper whose bottom stop can be separated left and right has been developed on the market. The inner side of the bottom stop block 502 and the bottom stop block 502 are respectively provided with hooks 503, so when sewing the zipper on the fabric, the left and right zipper tapes 50 can be separately sewn on the fabric to speed up the efficiency of production and sewing. After the sewing is completed, the sliding member (zipper head) is installed, so that the lower stop blocks 502 of the two zipper tapes 50 are hooked and fixed together by the hooks 503.

However, the above-mentioned left and right separated closed-end zipper can only be used with conventional plastic chain teeth Zippers cannot be used in nylon zippers composed of traditional nylon monofilaments through heating and winding the centerline; and this bottom-stop combination structure, because there is no more reliable combination structure, the problem of separation of the ends of the two zipper tapes may occur at any time. Therefore, how to make nylon zipper and resin zipper also be able to be implemented as left and right separated closed-end zipper, which can be sewn by the above-mentioned automatic equipment separately, and the ends of the two zipper tapes can be closed after the sewing is completed, and the combination method is simple, The structure is firm and not easy to separate, which is the subject to be actively overcome by the present invention.

The purpose of the present invention is to provide a closed-end zipper with a combined bottom stop, which is designed to be suitable for automatic sewing equipment to separate and perform sewing through the design of the insertion structure of the bottom stop block and the insert pin at the end of the two zipper tapes. After completion, the ends of the two zipper tapes are closed again, and the combination method is simple and the structure is firm and not easy to separate.

In order to achieve the above-mentioned purpose, the first preferred technical solution of the combined bottom-stop closed-end zipper of the present invention includes two zipper tapes, each zipper tape having a cloth tape, and a cloth tape combined with the inner side of the cloth tape. A row of chain teeth; and a sliding member for linking or separating the chain teeth of the two zipper tapes, characterized in that: one of the cloth tapes at the end of the chain teeth of the zipper tape is combined with a stop block, and the other The cloth tape at the end of the chain teeth of the zipper tape is combined with a pin; wherein: the bottom stop is a square block, one half of which is inseparably fixed to a joint part of the cloth tape, and the other half is formed to protrude the A protruding part on the inner side of the cloth tape, the upper end of the protruding part penetrates a pin hole toward its lower end, the pin hole is a quadrilateral hole, and a side wall in the pin hole has a first latch; Wherein, the first latching portion is a groove and a stop surface formed in the hole wall of the pin hole; the groove is recessed into the hole wall from the near middle of the pin hole, and runs along the wall of the pin hole. The pin hole extends to the strip groove at the lower end of the bottom stop, and the upper end of the groove constitutes the stop surface; and The insert pin is a rectangular strip corresponding to the shape of the insert pin hole, which is used for inserting in the insert pin hole of the bottom stop; the insert pin corresponds to a side surface of the first latch portion to form a second latch Part, the second catch part is a convex block protruding laterally from the side of the plug pin, and the convex block is used for the plug pin to be inserted into the plug hole to be clamped with the first catch part, so that The groove of the first latch portion accommodates the protrusion, and the stop surface abuts against a top surface of the protrusion, so that the pin can no longer be separated from the bottom stop, so as to form the closed end of the closed-end zipper .

In order to achieve the above-mentioned objective, the second preferred technical solution of the combined bottom-stop closed-end zipper of the present invention also includes the above-mentioned two zipper tapes, a sliding member, a bottom stop and a pin, and is characterized in that: the bottom The first detent portion of the stop block is implemented as a transverse detent hole, the detent hole transversely communicates the front or back of the lower stop block and the pin hole; the second detent portion of the pin and the detent hole The holes are locked together so that the pin can no longer be separated from the bottom stop block to form the closed end of the closed-end zipper.

In the above-mentioned combined bottom-stop closed-end zipper, the first detent part is a groove and a blocking surface formed in the wall of the pin hole, and the groove accommodates the second detent part, the blocking part The stop surface abuts against a top surface of the second latching part.

In the above-mentioned combined bottom-stop closed-end zipper, the second catch is a triangular bump protruding from the middle of the insert pin.

In the above-mentioned combined bottom-stop closed-end zipper, the second latching portion is an oblique convex piece protruding from the middle of the insert pin.

In the above-mentioned combined bottom-stop closed-end zipper, the second latching portion is formed on a front surface of the plug pin, and the first latching portion is formed on the front hole wall of the plug pin hole.

In the above-mentioned combined bottom-stop closed-end zipper, the second locking portion is formed on a side surface of the insert pin, and the first locking portion is formed on the side hole wall of the insert pin hole.

In the above-mentioned combined bottom-stop closed-end zipper, the second catch is formed in A side surface and a front surface of the plug pin, and the first locking portion is formed on the side hole wall and the front hole wall of the plug pin hole.

In the above-mentioned combined bottom-stop closed-end zipper, the pin hole is a rectangular hole, and the pin is a rectangular strip.

In the above-mentioned combined bottom-stop closed-end zipper, the side of the pin hole is provided with a notch, and the notch is used for accommodating the tape to which the pin belongs.

In the above-mentioned combined bottom-stop closed-end zipper, the notch is straight from the upper end to the lower end of the bottom stop, and the notch is used to allow the cloth belt to which the insert pin belongs to pass through directly.

In the above-mentioned combined bottom-stop closed-end zipper, the inner side of the cloth tape to which the insert pin belongs is provided with a notch extending toward the outer side, and the notch is adjacent to an end of the insert pin.

10: Zipper strap

11: Cloth tape

111: lower ear

12: Sprocket

13: incision

30: bottom stop

31: Joint

32: bump

33: Pin hole

34: The first card switch

341: Groove

342: Stop Face

343: Snap Hole

35: side hole wall

36: Front hole wall

37: Grooving

38: fake tip

40: Pin

41: The second card switch

411: Triangular bump

412: Oblique tab

42: side

43: positive

[Figure 1] is a three-dimensional schematic diagram of the combined state of the first embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Figure 2] is a perspective schematic view of the first embodiment of a closed-end zipper with a combined bottom stop of the present invention in an exploded state.

[Figure 3] is a cross-sectional schematic view of the combined state of the first embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Figure 4] is a schematic cross-sectional view of the first embodiment of the closed-end zipper with a combined bottom stop of the present invention in an exploded state.

[Figure 5] is a cross-sectional schematic view of the combined state of the second embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Fig. 6] is a schematic cross-sectional view of the disassembled state of the third embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Figure 7] is a schematic cross-sectional view of the disassembled state of the fourth embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Figure 8] is a perspective view of the combined state of the fifth embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Fig. 9] is a perspective view of the disassembled state of the second embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Figure 10] is a cross-sectional schematic view of the combined state of the third embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Fig. 11] is a schematic cross-sectional view of the disassembled state of the fourth embodiment of the closed-end zipper with a combined bottom stop of the present invention.

[Figure 12] is a schematic diagram of a conventional special closed-end zipper with a separable bottom stop.

The structural features and other functions and purposes of the present invention are described in detail according to the embodiments of the drawings as follows: Referring to Figure 1, Figure 2 and Figure 3, the combined bottom stop closed-end zipper of the present invention is the first preferred The specific embodiment includes: two zipper tapes 10, each zipper tape 10 has a cloth tape 11 for sewing on the edge of other fabrics, and a row of sprocket teeth 12 combined on the inner side of the cloth tape 11, the sprocket 12 is a nylon tooth formed by heating and continuously winding the center line of nylon monofilament, or a resin tooth formed by injection molding on the side of the cloth tape 11; and a sliding part (also called a zipper head, not shown), which is used to make the two The elements 12 of the zipper tape 10 are linked or separated from each other. The improved feature of the present invention is that one of the two zipper tapes 10 has a cloth tape 11 at the end of the chain teeth 12 of the zipper tape combined with a lower stop 30, and the other zipper tape 10 has a cloth tape 11 at the end of the chain teeth 12 combined with one Insert the pins 40. When the cloth tapes 11 of the two zipper tapes 10 are sewn on other fabrics, the insert pins 40 of one zipper tape 10 are combined with the bottom stop 30 of the other zipper tape 10, so that the insert pins 40 and The bottom stop 30 cannot be separated anymore, thereby forming a closed-end zipper state. Among them: referring to Figures 3 and 4, the bottom stop 30 is preferably a rectangular block formed by plastic injection molding on the cloth belt 11, and one half of the side is inseparably fixed on the cloth belt 11. The other half of the connecting portion 31 forms a protrusion portion 32 protruding from the inner side of the cloth tape 11. A pin hole 33 penetrates from the upper end to the lower end of the protruding block 32, and the pin hole 33 can be a recessed hole or a through hole penetrating to the lower end of the bottom stop 30. More specifically, the pin hole 33 can be implemented as a rectangular hole. In particular, any side wall of the pin hole 33 is provided with a first detent portion 34, and the first detent portion 34 is used to lock the pin hole 33. Plug 40; In addition, a protruding false tip 38 can be integrally formed on the connecting portion 31 of the lower stop block 30 to guide the plug 40 to be inserted into the plug hole 33.

3 and 4, the pin 40 is preferably a rectangular strip formed by plastic injection molding on the cloth belt 11, and the length and width of the cross section is slightly smaller than the pin hole 33 for It is inserted in the pin hole 33 of the bottom stop block 30. The insert pin 40 forms a second latch portion 41 on one side of the first latch portion 34. The second latch portion 41 is a protrusion protruding laterally from the side surface of the insert pin 40, and the protrusion is used for the When the plug pin 40 is inserted in the plug pin hole 33, it can be engaged with the first catch portion 34, so that the plug pin 40 and the bottom stop block 30 cannot be separated anymore, so as to form the closed end of the closed-end zipper. .

According to the present invention, through the improvement of the structure of the bottom stop block 30 and the insert pin 40, the two zipper tapes 10 can be provided to the garment manufacturers in a separated state, so that they can use a template with an automatic sewing machine to sew the cloth tape 11 on the fabric. When the sewing of the two zipper tapes 10 is completed, insert the pin 40 at the end of one zipper tape 10 into the pin hole 33 of the bottom stop 30 of the other one, thereby forming a complete zipper; the combination process, the The plug pin 40 is implemented by the following embodiment of the triangular protrusion 411 or the oblique protrusion 412, and the following first latching portion 34 is implemented as a groove 341 and a stop surface 342, which can be formed as a triangular protrusion 411 The inclined surface supports the pin hole 33 until the triangular protrusion 411 is engaged with the groove 341, or the inclined protrusion 412 is temporarily contracted until The oblique protrusion 412 can be engaged with the groove 341, so that the second latching portion 41 and the first latching portion 34 are engaged together, and can't be separated from each other anymore, so that they can be combined into a complete and complete tail. The closed-end zipper can not be opened at the end, so the present invention can achieve the effect of being suitable for automatic sewing equipment.

4 again, in the above-mentioned first preferred embodiment of the present invention, the second latching portion 41 of the plug 40 is formed on a front surface 43 of the plug 40, specifically from the middle of the plug 40 A protruding triangular bump 411; and the first latching portion 34 in the pin hole 33 is formed on a front hole wall 36 in the pin hole 33, and one of the specific embodiments is formed in the pin hole 33 A groove 341 in the front hole wall 36 of the hole 33 is used to form a stop surface 342 for clamping the triangular bump; specifically, the groove 341 is formed from the pin hole 33 The bar-shaped groove near the middle is recessed into the hole wall transversely and extends along the pin hole 33 to the lower end of the lower stop block 30. The upper end of the groove 341 constitutes the stop surface 342. After the insertion pin 40 is inserted, the triangular protrusion 411 is clamped in the groove 341, and the blocking surface 342 is pressed against a top surface of the triangular protrusion 411, so that the insertion pin 40 cannot be pulled out in the reverse direction. (Cannot be separated), so as to achieve the effect of simple combination of the pin 40 and the bottom stop block 30, and the effect that the structure is firm and not easy to separate.

Referring to FIG. 5, it is a second preferred embodiment of the present invention. The second latching portion 41 is formed on a side surface 42 of the plug 40, and the second latching portion 41 is laterally protruding A convex block on the side of the pin can be specifically implemented as a triangular convex block 411; and the side hole wall 35 in the pin hole 33 of the bottom stop block 30 implements the above-mentioned first latching portion 34, which can also be implemented as The structure of a groove 341 and a blocking surface 342. Therefore, after the pin 40 is inserted into the pin hole 33 of the bottom stop 30, the triangular protrusion 411 of the side surface 42 is clamped in the groove 341 of the side hole wall 35, and the stop surface 342 is pressed against the triangular protrusion. A top surface of the block 411, so that the pin 40 can no longer be pulled out in the reverse direction, even if the pin 40 and the bottom stop block 30 can no longer be separated, to form the closed tail The closed end of the zipper.

Based on the above principle, referring to FIG. 6, which is a third preferred embodiment of the present invention, the second latching portion 41 is changed to an oblique protrusion 412 protruding from the middle of the plug 40. The oblique protrusion 412 can be As shown in the figure, the front 43 or side 42 of the insert pin 40 replaces the aforementioned triangular protrusion 411; when the insert pin 40 is inserted, the oblique protrusion 412 is clamped in the groove 341, and the blocking surface 342 Abutting against a top surface of the oblique protrusion 412 also prevents the plug pin 40 from being pulled out in the reverse direction, so that the plug pin 40 and the bottom stop block 30 cannot be separated anymore, so that in addition to the above-mentioned effects, it can be more effective. The effect of easy insertion of the lower stop block 30 is achieved.

Referring to FIG. 7, it is a fourth preferred embodiment of the present invention. In this embodiment, the second latching portion 41 is implemented and formed on the front surface 43 and the side surface 42 of the plug pin 40, and can be implemented as a triangular bump 411, or refer to the structure of the oblique protrusion 412 shown in FIG. 6; and the side hole wall 35 and the front hole wall 36 in the pin hole 33 of the bottom stop 30 are implemented with the first latching portion 34, which can also be It is implemented as a structure of a groove 341 and a stop surface 342; in the same way, when the pin 40 is inserted into the pin hole 33 of the lower stop 30, the triangular bump 411 of the front 43 is clamped on the front hole wall 36 The groove 341 and the blocking surface 342, and the triangular protrusion 411 of the side surface 42 is locked in the groove 341 and the blocking surface 342 of the side hole wall 35, so that the pin 40 cannot be pulled out in the reverse direction. The switch structure can achieve a more stable combination.

In addition, referring to Figure 1, Figure 2 and Figure 3 again, in order to enable the insert pin 40 to be smoothly inserted into the insert pin hole 33 of the bottom stop block 30, and to prevent the cloth belt 11 to which the insert pin 40 belongs from interfering with the insertion action, the lower The side surface of the pin hole 33 of the stop block 30 is implemented with a notch 37, and the notch 37 is used to accommodate the cloth belt 11 to which the pin 40 belongs. Since the ends of the cloth tapes 11 of the two zipper tapes 10 will extend into a section of the lower ear 111, the lower ear 111 will hinder the insertion of the prong 40 into the lower stop 30. Therefore, the present invention is more The inner side of the cloth belt 11 to which the insert pin 40 belongs is provided with a notch 13 extending toward the outer side. The notch 13 is adjacent to the end of the insert pin 40. When the insert pin 40 When inserting the pin hole 33, the lower ear 111 can be turned over from the cut 13 so that the front end of the pin 40 is exposed without being blocked by the lower ear 111, even if the pin 40 can be smoothly inserted into the pin in the above-mentioned manner The pin hole 33 of the bottom stop 30 is combined.

8 to 11 again, it is a fifth embodiment of the present invention, which implements the first detent portion 34 of the bottom stop 30 as a lateral detent hole 343, and the detent hole 343 is connected laterally The front (or back) of the bottom stop 30 and the pin hole 33; and the second latching portion 41 of the pin 40 is also formed on the front surface 43, and the second latching portion 41 can also be a triangular convex Block 411 or the aforementioned oblique convex piece 412. After the pin 40 is inserted into the pin hole 33 of the bottom stop block 30, the second latch 41 (triangular protrusion 411 or oblique protrusion 412) is latched in the latch hole 343, and the latch hole 343 A better locking effect can be formed for the second locking portion 41, and the plug 40 can be prevented from being detached in the reverse direction.

In addition, the present invention may not implement the above-mentioned cut 13 on one side of the cloth belt 11, so that the prong 40 can be smoothly inserted into the prong hole 33 of the bottom stop 30. For preferred embodiments, refer to Figures 8 to 10 As shown, the cutting groove 37 of the lower stop block 30 is directly connected from the upper end to the lower end of the lower stop block 30, so that the lower ear 111 of the cloth belt 11 can pass through the cut groove 37 first, and then guide the insert The pin hole 33 is inserted into the pin hole 33 of the bottom stop block 30, so that the cut groove 37 is directly connected to the lower end of the bottom stop block 30, so that the tape 11 can not be cut 13 to maintain the structure of the tape 11 The effect of intensity.

In summary, the closed-end zipper with a combined bottom stop of the present invention is indeed practical and creative, and the use of its technical means is undoubtedly novel, and the efficacy and design goals are indeed in line with it, which has been said to be reasonable and improved. . To this end, I filed an application for a patent for invention in accordance with the law, but I implore the Jun Bureau for a detailed review and grant the patent as a prayer, which is very gracious.

10: Zipper strap

11: Cloth tape

111: lower ear

12: Sprocket

13: incision

30: bottom stop

31: Joint

32: bump

33: Pin hole

37: Grooving

38: fake tip

40: Pin

41: The second card switch

411: Triangular bump

42: side

Claims (16)

A closed-end zipper with a combined bottom stop, which includes two zipper tapes, each zipper tape has a cloth belt, and a row of sprocket teeth combined on the inner side of the cloth belt; and a sliding piece, which is used to make The chain teeth of the two zipper tapes are linked or separated from each other, and are characterized in that: one of the cloth tapes at the end of the chain teeth of the zipper tape is combined with a stop block, and the other cloth tape at the end of the chain teeth of the zipper tape is combined with a plug Tip; The bottom stop is a square block, half of which is inseparably fixed to a joint part of the tape, and the other half forms a protrusion protruding from the inner side of the tape, the protrusion A pin hole penetrates from the upper end to the lower end of the pin hole, the pin hole is a rectangular hole, and a side wall in the pin hole has a first detent part; wherein, the first detent part is formed in the pin hole A groove and a stop surface in the wall of the hole; the groove is a strip groove that is recessed from the near middle of the pin hole into the hole wall and extends along the pin hole to the lower end of the lower stop block, The upper end of the groove constitutes the stop surface; and the pin is a rectangular strip corresponding to the shape of the pin hole, which is used to be inserted in the pin hole of the bottom stop; the pin corresponds to the first pin hole. A side surface of a latch portion forms a second latch portion, and the second latch portion is a protrusion protruding laterally from the side surface of the pin, and the bump is used when the pin is inserted in the pin hole Snap together with the first latching portion so that the groove of the first latching portion accommodates the protrusion, and the stop surface abuts against a top surface of the protrusion, so that the pin can no longer be with the lower part. The stop block is separated to form the closed end of the closed-end zipper. The combined bottom-stop closed-end zipper according to claim 1, wherein the second latch is a triangular protrusion protruding from the middle of the insert pin. The combined bottom-stop closed-end zipper according to claim 1, wherein the second latching portion is an oblique protrusion protruding from the middle of the insert pin. The combined bottom-stop closed-end zipper according to claim 1, wherein the second latch is formed on a front surface of the pin, and the first latch is formed on the front hole wall of the pin hole. The combined bottom-stop closed-end zipper according to claim 1, wherein the second latch is formed on a side surface of the pin, and the first latch is formed on the side hole wall of the pin hole. The combined bottom-stop closed-end zipper according to claim 1, wherein the second latch is formed on one side and a front of the pin, and the first latch is formed on the side of the pin hole Hole wall and front hole wall. The combined bottom-stop closed-end zipper according to claim 1, wherein the side of the pin hole is provided with a notch, and the notch is used for accommodating the tape to which the pin belongs. The combined bottom-stop closed-end zipper according to claim 7, wherein the notch extends from the upper end to the lower end of the bottom stop, and the notch is used to allow the tape to which the insert pin belongs to pass directly. The combined bottom-stop closed-end zipper according to claim 7, wherein the inner side of the cloth tape to which the insert pin belongs is provided with a cut extending toward the outer side, and the cut is adjacent to an end of the insert pin. A closed-end zipper with a combined bottom stop, which includes two zipper tapes, each zipper tape has a cloth tape, and a row of sprocket teeth combined on the inner side of the cloth tape; and a sliding piece, which is used to make The chain teeth of the two zipper tapes are linked or separated with each other, and are characterized in that: One of the tapes at the end of the teeth of the zipper tape is combined with a bottom stop, and the other tape at the end of the teeth of the zipper tape is combined with a pin; the bottom stop is a square block, half of which is inseparable Is fixed to a joint part of the cloth tape, and the other half forms a protrusion protruding from the inner side of the cloth tape. , A side wall of the pin hole has a first detent part; wherein, the first detent part is a lateral detent hole, the detent hole laterally connects the front or back of the bottom stop and the insert The pin hole; and the pin is a rectangular strip corresponding to the shape of the pin hole, which is used to be inserted in the pin hole of the bottom stop, and the pin corresponds to a side surface of the first latching portion to form a The second latching portion, the second latching portion is a protrusion protruding laterally from the side surface of the insert pin, and the protrusion is used for engaging the latch with the latch hole when the insert pin is inserted in the insert pin hole , So that the insert pin can no longer be separated from the bottom stop block to form the closed end of the closed-end zipper. As described in claim 10, the combined bottom-stop closed-end zipper, wherein the second catch is a triangular protrusion protruding from the middle of the insert pin. The combined bottom-stop closed-end zipper according to claim 10, wherein the second latching portion is an oblique protrusion protruding from the middle of the insert pin. The combined bottom-stop closed-end zipper according to claim 10, wherein the second latch is formed on a front surface of the pin, and the first latch is formed on the front hole wall of the pin hole. The combined bottom-stop closed-end zipper according to claim 10, wherein the second latch is formed on a side and a front of the insert, and the first card The detents are formed on the side hole wall and the front hole wall of the pin hole. The combined bottom-stop closed-end zipper according to claim 10, wherein the side of the pin hole is provided with a notch, and the notch is used for accommodating the tape to which the pin belongs. The combined bottom-stop closed-end zipper according to claim 15, wherein the notch extends from the upper end to the lower end of the bottom stop, and the notch is used to allow the tape to which the insert pin belongs to pass through directly.

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