CN213281783U - Closed zipper with detachable movable stop at tail end - Google Patents

Abstract

The utility model relates to a closed zipper with a detachable movable stop at the tail end. The zipper comprises a left chain belt, a right chain belt, a pull head and a movable stop, wherein the pull head and the movable stop are opened and closed, and the zipper is characterized in that the front half part of the movable stop is a loop consisting of an upper cover plate and a lower cover plate which are opposite up and down and have two opening frame shapes, the opening height, the opening width and the cloth sewing passing clearance of the upper cover plate and the lower cover plate of the loop are the same as the opening height, the opening width and the cloth sewing passing clearance of the zipper closing tooth end of the pull head, the rear half part of the loop is a positioning plate which extends backwards on the lower cover plate, a side connecting plate is arranged on the left side or the right side of the positioning plate, the upper cover plate and the positioning plate are fixed through a connecting arm on the side connecting plate, a section of comb grid is manufactured on the positioning plate, the shape and the space of the comb grid are matched with the corresponding chain teeth and are embedded and fixed with the chain teeth on the single-side chain belt which is extended out.

Description

Closed zipper with detachable movable stop at tail end

Technical Field

The utility model relates to a zip fastener, more specifically say and relate to a closed zip fastener of terminal area dismantlement formula activity backstop that is applicable to that case and bag, tent, mattress cover, sofa etc. used.

Background

When the left and right single-side chain belts of the zipper with teeth are torn off and then sewn on the very long opening and closing member such as a case, a tent, a mattress cover and the like, and when the left and right single-side chain belts are closed by the pull head, the left and right single-side chain belts at the upper and lower ends of the pull head often have the difference of high and low tooth positions between the left single-side chain and the right single-side chain belt (one side has more teeth and the other side has less teeth), which is caused by sewing slip, but can not be effectively overcome. For example, when the draw-bar box is sewed with the zipper on the box, the circumferences of the left and right boxes are different, and the zipper is sewed with the slippage caused by unstable hand pulling force, so when the left and right boxes are engaged with teeth by using the pull head, the left and right boxes may be twisted (or called to rotate) with each other, and the four wheels at the bottom of the box cannot be simultaneously grounded, so that the head must be re-penetrated, and the engagement position during engagement is adjusted to be deviated up or down for balancing. The traditional method is that after the front and back meshing positions of the pull head are adjusted, the pull head is fixed by gel to avoid being pulled, but if the pull head or the pull piece is damaged in use and needs to be replaced, the pull head or the pull piece needs to be readjusted, which is very inconvenient for users. Although the title of patent application No. 2019113195937 existed before the present creation: a closed zipper with a detachable movable stop at the tail end comprises a left zipper belt and a right zipper belt which are sewn on the opening edge of an upper box shell of a draw-bar box and a lower box shell provided with a draw bar, and a main zipper consisting of a pull head of the left zipper belt and a pull head of the right zipper belt, and is characterized in that the movable stop for preventing the pull heads from being separated from the main zipper is arranged at one end or two ends of the left zipper belt and the right zipper belt, a core wire at the end of the zipper belt at the position of the movable stop is fixed with a cloth belt by hot sticking by ultrasonic waves, a row of longitudinal positioning holes with the same interval are arranged on the zipper belt at the position of the movable stop, the movable stop is a U-shaped clamp, a connecting plate extends reversely on one foot of the U-shaped clamp, a row of raised positioning teeth are arranged on the surface of the connecting plate, the shape and the interval of the positioning teeth are matched with the positioning holes, the number of the positioning teeth of the movable stop is larger than, the U-shaped clip is clamped to the other chain. The structure is provided with positioning holes at one end or two ends of the left and right chain belts, and movable lower stoppers for preventing the pull heads from separating from the main zipper are arranged on the positioning holes. The method can conveniently and quickly sew the left and right chain belts on the upper and lower cases, and the upper and lower cases can be assembled at will later, so as to achieve the effect of complete involution. But the defects are that positioning holes are needed to be arranged on the left and the right chain belts, which is troublesome and influences the production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, sewing are convenient, after left and right chain area sewing and adjustment, appear the inconsistent condition in left and right chain area both ends length, also can conveniently install the closed zip fastener of the movable backstop of formula is dismantled in a terminal area of backstop.

In order to meet the requirements, the technical scheme of the closed zipper with the detachable movable stop at the tail end is as follows: the zipper comprises a left zipper belt and a right zipper belt which are respectively sewn on the opening edges of two zipper bodies, a pull head for opening and closing the left zipper belt and the right zipper belt, and a movable stop block for respectively fixing the two ends of the left zipper belt and the right zipper belt together to prevent the pull head from separating from the left zipper belt and the right zipper belt, and is characterized in that the front half part of the movable stop block is a movable sleeve consisting of an upper cover plate and a lower cover plate which are opposite up and down and in a frame shape, the opening height, the opening width and the gap for passing cloth seams of the upper cover plate and the lower cover plate of the movable sleeve are the same as those of the opening height, the opening width and the gap for passing cloth seams of the teeth closing end of the pull head, the rear half part of the movable sleeve is provided with a positioning plate which extends backwards on the lower cover plate, a side connecting plate is arranged on the left side or the right side surface of the positioning plate, the upper cover plate and the positioning plate are fixed through a connecting, the shape and the space of the comb-shaped teeth and/or the cylinders are matched with the corresponding chain teeth and are embedded and fixed with the chain teeth on the extended single-side chain belt, and the movable sleeve is encircled on the gear engaging sections at the two ends of the left and the right chain belts.

The length of the upper cover plate is at least the length of 3 chain tooth pitches.

The number of the comb teeth and/or the columns is 3-6.

The connecting plate opposite to the comb grids is provided with a stop block protruding the surface of the connecting plate, and the extended single-side chain belt is clamped between the comb grids and the stop block.

And the top surface of the upper cover plate is provided with a reinforcing rib.

When the end of the closed zipper needs to be connected, a fastener of the opening frame is used, the opening end of the fastener is provided with a protruding hook, and the hook hooks the two positioning plates respectively to fix the two movable stops together without separation.

The side surface of the positioning plate at the tail end of the lower cover plate is at least provided with a notch, and the hasp is clamped in the notch to fix the two movable stoppers together.

And positioning marks are made on the left chain belt and/or the right chain belt beside the mounting movable stop by using a color pen so as to facilitate repeated assembly and disassembly.

The movable stop is made of zinc alloy material or plastic.

According to the closed zipper with the detachable movable stop at the tail end, the two ends of the closed zipper are fixed by the movable stops of the loop and the comb grid, the closed zipper has the function that the front end of the closed zipper can be sleeved into the tail end of the zipper belt with the combined teeth, the single-side zipper belt without the combined teeth and the comb grid press and buckle the zipper tooth bars into the comb grid by fingers, namely the zipper tooth bars and the comb grid are combined to form teeth, so that longitudinal blocking is achieved, and transverse tensile resistance is blocked by the loop, so that the left zipper belt and the right zipper belt cannot be transversely separated. When the two ends of the left and right chain belts are required to be disassembled, the movable stop block can be moved backwards and withdrawn only by pulling the embedment of the comb grids and the chain racks, and then the pull head is withdrawn backwards to separate the requirement of the toothed chain belts. The structure can meet the requirement of replacing the puller or the pulling piece, and the stopping fixing structure for preventing the puller from being separated from the left and right zipper tapes does not need to be specially manufactured on the left and right zipper tapes. The movable stop is used for fixing the engaged sections with uneven tail ends of the engaged zipper to resist transverse pulling, the single-side zipper strip buttons can be pressed into the comb grids longitudinally by the comb grids, the movable stop is fixed like the engaged teeth, can be conveniently disassembled and can be easily sleeved into the movable stop of the loop and comb grid connected combination for fixing, the pull head and the pull piece can be easily replaced, and meanwhile, the movable stop can be further used as a technology for mutually splicing left and right accessories. If in the production of draw-bar box, above creation structure can satisfy the same type and the shell switching operation requirement of piecing together each other, can make the production operation more convenient rapidly, also can install the bodiness case of different thickness additional between upper and lower case shell through the compound mode to the manufacturing enterprise of draw-bar box and user to enlarge the volume of holding of draw-bar box, reach the multi-style combination application of ideal. The novel connecting device has the advantages of simple structure, convenience in use, reliability in connection and wide application range.

Drawings

FIG. 1 is a front view of a closed end zipper with a removable movable stop at the end;

FIG. 2 is an enlarged view of a portion of the area H in FIG. 1;

FIG. 3 is a front view of a comb grid movable lower stop with comb-shaped teeth and cylinders formed on a positioning plate;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a front perspective view of the movable lower stop;

FIG. 6 is a rear perspective view of the movable lower shield;

FIG. 7 is a front view of a comb grid movable lower stop with comb teeth formed on a positioning plate;

FIG. 8 is a view showing a state where the movable stoppers are not attached when both ends of the closed slide fastener are engaged;

FIG. 9 is a view showing a closed slide fastener with movable stoppers attached thereto in an end-to-end state;

FIG. 10 is a top side perspective view of the two movable stops when secured together by a fastener;

FIG. 11 is a bottom side perspective view of the two movable stops when secured together by a fastener;

FIG. 12 is a perspective view of the closed end zipper with a removable movable stop at the end attached to the draw-bar box.

In the figure:

1. a left chain belt; 11. a sprocket; 12. a single-sided chain belt is grown; 13. a toothed segment; 14. positioning a mark;

2. a right chain belt;

3. a slider;

4. a movable stop; 41. looping; 411. an upper cover plate; 4111. reinforcing ribs; 412. a lower cover plate; 42. positioning a plate; 43. a side connection plate; 44. a connecting arm; 45. a comb grid; 451. comb-shaped teeth; 452. a cylinder; 46. a stopper; 47. a notch;

5. a draw-bar box;

6. a fastener; 61. and (4) hooking.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the zipper comprises a left zipper tape 1 and a right zipper tape 2 which are respectively sewn on the opening edges of the two zipper bodies, and a slider 3 for opening and closing the left zipper tape 1 and the right zipper tape 2, wherein the used slider 3 can be two or one opposite to each other according to requirements, and a movable stopper 4 for respectively fixing the two ends of the left zipper tape 1 and the right zipper tape 2 together to prevent the slider 3 from being separated from the left zipper tape 1 and the right zipper tape 2. The movable stopper 4 is shown in fig. 3 to 7, the front half part of which is a loop 41, the loop 41 is composed of an upper cover plate 411 and a lower cover plate 412 which are opposite up and down and are in a frame shape, the size opening height H, the opening width B and the gap S for passing the cloth seam of the upper cover plate 411 and the lower cover plate 412 of the loop 41 are the same as the opening height, the opening width and the gap for passing the cloth seam of the engaging end of the slider 3, and the length L of the upper cover plate 411 is at least 3 chain tooth pitches. The top surface of the upper cover plate 411 is provided with a reinforcing rib 4111. The rear half part of the looper 41 is provided with a positioning plate 42 extending backwards on the lower cover plate, a side connecting plate 43 is arranged on the left side or the right side of the positioning plate 42, the upper cover plate 411 and the positioning plate 42 are fixed on the side connecting plate 43 through a connecting arm 44, a section of comb grid 45 is arranged on the positioning plate 42 and the side connecting plate 43, the comb grid 45 is a row of convex comb teeth 451 and/or upright columns 452, the number of the comb teeth 451 and/or the columns 452 is 3-6, the shapes and the intervals of the comb teeth 451 and/or the columns 452 are matched with the corresponding chain teeth 11 and are embedded and fixed with the chain teeth 11 on the extended single-side chain belt 12, a block 46 of the convex connecting plate surface is arranged on the connecting plate 42 opposite to the comb grid 45, the extended single-side chain belt 12 is clamped between the comb grid 45 and the block 46, so as to prevent the extended single-side chain belt 12 from moving towards the side, and is disengaged from the comb teeth 451. The loop 41 of the movable stopper 4 is looped around the engaging sections 13 at both ends of the left chain belt 1 and the right chain belt 2 as shown in fig. 8. And (3) positioning marks 14 are made on the left chain belt and/or the right chain belt beside the installation movable stop 4 by using a color pen so as to facilitate repeated assembly and disassembly. The movable stop 4 is made of zinc alloy material by die casting or plastic injection. When the closed zipper is needed to be connected end to end, as shown in fig. 9, a notch 47 is arranged on the side surface of the positioning plate 42 at the tail end of the lower cover plate 412, and a fastener 6 of an open frame is used, an opening end of the fastener 5 is provided with a protruding hook 51, the hooks 51 respectively hook the two positioning plates 42 and are clamped in the notch 47, so that the two movable stoppers 4 are fixed together, and cannot be separated as shown in fig. 10 and 11, as shown in fig. 12 when the structure is used on the draw-bar box 6.

Claims (9)

1. A closed zipper with a detachable movable stop at the tail end comprises a left zipper belt and a right zipper belt which are respectively sewn on the opening edges of two zipper bodies, a pull head for opening and closing the left zipper belt and the right zipper belt, and a movable stop for respectively fixing the two ends of the left zipper belt and the right zipper belt together to prevent the pull head from being separated from the left zipper belt and the right zipper belt, and is characterized in that the front half part of the movable stop is a movable sleeve consisting of an upper cover plate and a lower cover plate which are opposite up and down and have two opening frame shapes, the opening height, the opening width and the cloth seam passing clearance of the upper cover plate and the lower cover plate of the movable sleeve are the same as the opening height, the opening width and the cloth seam passing clearance of the closing tooth end of the pull head, the rear half part of the movable sleeve is provided with a positioning plate which extends backwards on the lower cover plate, a side connecting plate is arranged on the left side or the right side of the positioning plate, the upper cover plate, the comb grid is a row of raised comb teeth and/or upright columns, the shapes and the intervals of the comb teeth and/or the columns are matched with the corresponding chain teeth, and the comb teeth and/or the columns are embedded and fixed with the chain teeth on the extended single-side chain belt, and the comb grids are movably sleeved and embraced on the engaging tooth sections at the two ends of the left chain belt and the right chain belt.

2. The closed zipper with a removable stop at the end thereof as claimed in claim 1, wherein the length of said upper cover is at least 3 sprocket pitches.

3. The closed zipper with a detachable movable stop at the tail end as claimed in claim 1, wherein the number of the comb-shaped teeth and/or the columns is 3-6.

4. The closed slide fastener with the removable movable stopper at the end according to claim 1, wherein stoppers protruding from the surface of the coupling plate are provided on the coupling plate opposite to the comb grid, and the extended single-sided fastener tape is caught between the comb grid and the stoppers.

5. The closed zipper with a removable movable stop at the end thereof as claimed in claim 1, wherein the top surface of the upper cover plate is provided with a reinforcing rib.

6. The closed zipper with a detachable movable stop at the tail end as claimed in claim 1, wherein when the closed zipper is connected end to end, an open frame fastener is used, and the open end of the fastener is provided with a protruding hook which hooks the two positioning plates respectively to fix the two movable stops together without separation.

7. The closed zipper with a detachable movable stop at the tail end as claimed in claim 6, wherein the side surface of the positioning plate at the tail end of the lower cover plate is provided with at least one notch, and the snap hook is clamped in the notch to fix the two movable stops together.

8. The closed slide fastener with the removable stopper at the end according to claim 1, wherein the left fastener tape and/or the right fastener tape beside the removable stopper is marked with a color pen to facilitate repeated assembly and disassembly.

9. The closed zipper with a removable movable stopper at the end thereof as claimed in claim 1, wherein said movable stopper is made of zinc alloy material or plastic.

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