New zipper pull

Abstract

The present invention provides a new type of zipper head, belonging to the field of mechanical technology. It solves the problem of poor stability in the prior art. The new type of zipper head includes a body and a pull tab, the body is in the shape of a long sheet, and has protruding retaining edges on both sides along the length direction of the body, and a protruding spacer is provided at a position between the two retaining edges on the body, and a channel for a chain belt to pass through is formed between the spacer and the retaining edge, and the inner end of the pull tab is movably connected to the upper part of the spacer, and the upper part of the spacer has a protruding clamping edge 1 and a clamping edge 2, and the clamping edge 1 and the clamping edge 2 are arranged front and back along the length direction of the body, and the upper part of the clamping edge 1 has an arc-shaped buckling section 1, and the upper part of the clamping edge 2 has an arc-shaped buckling section 2. The new type of zipper head has high stability.

Description

Technical Field

[0001] The invention belongs to the field of mechanical technology and relates to a novel zipper head. Background Art

[0002] A zipper consists of chain teeth and a zipper head. Generally, a zipper has two chain belts, each with a row of chain teeth, and the two rows of chain teeth are arranged alternately. The zipper head clamps the chain teeth on both sides, and the chain teeth on both sides can be engaged or disengaged with the help of the pull tab.

[0003] It can be seen that the zipper head is an important component of the entire zipper.

[0004] The existing zipper head usually includes a body and a pull tab whose inner end is movably connected to the body. Since the pull tab is movably connected, the pull tab may shake.

[0005] A Chinese patent with publication number CN209628787U discloses a self-locking zipper head, including a slider and a pull tab. The slider includes a base, a cap, and a horse hook arranged between the base and the cap. The hook portion of the horse hook and the tail end of the cap of the cap are inserted into the fixing hole at the end of the pull tab. An upper spring sheet for pressing the horse hook is provided between the upper part of the hook portion and the lower part of the cap, and a lower spring sheet for limiting the upward movement of the pull tab in a free state and making it easy for the pull tab to remain in contact with the base is provided between the lower part of the hook portion and the upper part of the pull tab.

[0006] The above-mentioned zipper head can avoid the problem of unlocking caused by the pull tab being too large or too heavy, improves the protection performance of the zipper, and makes the zipper smoother during use. However, the gap between the pull tab and the slider is relatively large, and there is still a problem of being too loose between the pull tab and the slider. Summary of the invention

[0007] The purpose of the present invention is to provide a new type of zipper head with compact structure and high stability in view of the above problems existing in the prior art.

[0008] The purpose of the present invention can be achieved by the following technical solutions:

[0009] A new type of zipper head includes a body and a pull tab, wherein the body is in the shape of a long sheet and has protruding retaining edges on both sides along the length direction of the body, and a protruding spacer is provided at a position between the two retaining edges on the body, and a channel for a chain belt to pass through is formed between the spacer and the retaining edges, and the inner end of the pull tab is movably connected to the upper part of the spacer, characterized in that the upper part of the spacer has a protruding card edge 1 and a card edge 2, and the card edge 1 and the card edge 2 are arranged front and back along the length direction of the body, the upper part of the card edge 1 has an arc-shaped buckling section 1, and the upper part of the card edge 2 has an arc-shaped buckling section 2, the inner end of the pull tab has a penetrating connecting hole, and the buckling section 2 is embedded in the connecting hole, and the buckling section 1 maintains surface contact with the inner end of the pull tab, and the side wall of the connecting hole on the pull tab close to its inner end maintains surface contact with the buckling section 2.

[0010] The novel zipper head is creatively provided with a first card edge and a second card edge, and a first buckle section is provided on the upper part of the first card edge, and a second buckle section is provided on the upper part of the second card edge.

[0011] Since the first fastening section is in surface contact with the inner end of the pull tab, the side wall of the connection hole on the pull tab close to the inner end is in surface contact with the second fastening section. Therefore, the pull tab is relatively tight to the body, and the pull tab will not swing relative to the body without external force. When wearing clothes with the zipper head, the pull tab will not swing.

[0012] Of course, two chain belts with a plurality of chain teeth are respectively embedded in corresponding channels, and under the action of the zipper head, the chain teeth on both sides can be stably engaged with or disengaged from each other.

[0013] In the above-mentioned novel zipper head, the thickness of the first and second card edges is greater than the thickness of the spacer.

[0014] Such a structure can increase the contact area between the first card edge and the pull tab, increase the contact area between the second card edge and the pull tab, and ultimately ensure the connection stability between the pull tab and the body, that is, when there is no external force acting on the pull tab, the pull tab always remains fixed.

[0015] In the above-mentioned novel zipper head, the partition has a baffle on its upper part, the baffle and the upper ends of the two baffle edges are in the same plane, the first and second card edges are both fixedly connected to the baffle, and both sides of the baffle extend out of the partition.

[0016] The baffle can limit the chain belt in the channel to ensure that the chain belt is stably located in the channel. Of course, in order to further improve the stability, the baffle edge also has an inwardly protruding buckle edge, which abuts against the upper part of the chain belt, further improving the connection stability between the chain belt and the body.

[0017] In the above-mentioned novel zipper head, the edge of the baffle has a transition portion which smoothly transitions from the upper portion to the lower portion.

[0018] The setting of the transition part can not only effectively eliminate the sharp structure on the baffle, but also prevent the pull tab from contacting with the baffle over a large area and thus sticking to it.

[0019] In the above-mentioned novel zipper head, the transition portion is a chamfer at the edge of the retaining edge.

[0020] In the above-mentioned novel zipper head, the pull tab is made of plastic material.

[0021] The pull tab made of plastic material can improve the connection stability between the pull tab and the body, and prevent the pull tab from being too loose when the two are connected.

[0022] In the above-mentioned new zipper head, the spacer between the first card edge and the second card edge also has a protruding contact portion, and the middle part of the contact portion has a transversely recessed groove, and the contact portions at both sides of the groove respectively form contact segment one and contact segment two, the above-mentioned contact segment one is connected to the lower part of the card edge, and the above-mentioned contact segment two is connected to the lower part of the second card edge, the contact segment one can maintain surface contact with the inner end of the pull tab, and the side wall of the connecting hole on the pull tab close to its inner end can maintain surface contact with the contact segment two.

[0023] In the above-mentioned new zipper head, when the contact section 1 is in surface contact with the inner end of the pull tab, the side wall of the connecting hole on the pull tab close to its inner end is in surface contact with the fastening section 2, and the angle between the pull tab and the body is 30-60 degrees.

[0024] In the above-mentioned new zipper head, when the contact section 2 is in contact with the inner end of the pull tab, the side wall of the connecting hole on the pull tab close to its inner end is in contact with the fastening section 1, and the angle between the pull tab and the body is 30-60 degrees.

[0025] It can be seen that the pull tab can be tilted relative to the body at a set angle through the above structure, which is convenient for the operator to pull the zipper head upward or downward during the actual operation.

[0026] In the above-mentioned novel zipper head, the length dimension of the connecting hole on the pull tab is 2-4 times the width dimension of the second card edge.

[0027] Such a structure can ensure that the pull tab can swing smoothly relative to the body when the pull tab is subjected to an external force.

[0028] Compared with the prior art, the novel zipper head has a relatively high stability because the connection between the pull tab and the body is stable and the pull tab will not swing relative to the body when no external force is applied.

[0029] At the same time, when external force is applied to pull the pull tab upward or downward, the pull tab will be positioned at a set angle. Even if the hand is out of the pull tab, the pull tab can maintain a suitable angle for being stably pulled, which not only further improves its stability but also has a relatively high applicability.

[0030] In addition, the first and second card edges are arranged on the upper part of the baffle, and the baffle extends out from the side of the baffle. Such a structure can not only make the chain belt stably located on the main body, but also improve its structural compactness, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the top view of the structure of the novel zipper head.

[0032] Figure 2 It is a side structural schematic diagram of the novel zipper head.

[0033] Figure 3 It is a schematic diagram of the state structure of the novel zipper head when it is pulled up.

[0034] Figure 4 It is a schematic diagram of the state structure of the novel zipper head when it is pulled down.

[0035] In the figure, 1, main body; 2, pull tab; 2a, connecting hole; 3, retaining edge; 4, spacer; 5, clamping edge 1; 5a, buckling section 1; 6, clamping edge 2; 6a, buckling section 2; 7, baffle; 7a, transition part; 8, contact section 1; 9, contact section 2. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly mounted on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0039] like Figure 1 and Figure 2 and Figure 3 and Figure 4 As shown, the novel zipper head comprises a body 1 and a pull tab 2, the body 1 is in the shape of a long sheet, and has protruding retaining edges 3 on both sides along the length direction of the body 1, and a protruding spacer 4 is provided at a position between the two retaining edges 3 on the body 1, and a channel for the chain belt to pass through is formed between the spacer 4 and the retaining edge 3, and the inner end of the pull tab 2 is movably connected to the upper part of the spacer 4, and the upper part of the spacer 4 has a protruding clamping edge 1 5 and a clamping edge 2 6, and the clamping edge 1 5 and the clamping edge 2 6 are arranged front and back along the length direction of the body 1, and the upper part of the clamping edge 1 5 has an arc-shaped buckling section 1 5a, and the upper part of the clamping edge 2 6 has an arc-shaped buckling section 2 6a, and the inner end of the pull tab 2 has a penetrating connecting hole 2a, and the above-mentioned buckling section 2 6a is embedded in the connecting hole 2a, and the above-mentioned buckling section 1 5a maintains surface contact with the inner end of the pull tab 2, and the side wall of the connecting hole 2a on the pull tab 2 close to its inner end maintains surface contact with the buckling section 2 6a.

[0040] The thickness of the first card edge 5 and the second card edge 6 is greater than the thickness of the spacer 4 .

[0041] The partition 4 has a baffle 7 on its upper portion. The baffle 7 and the upper ends of the two baffle edges 3 are in the same plane. The first clamping edge 5 and the second clamping edge 6 are both fixedly connected to the baffle 7 . Both sides of the baffle 7 extend out of the partition 4 .

[0042] The edge of the baffle 7 has a transition portion 7a which smoothly transitions from the upper portion to the lower portion.

[0043] The transition portion 7a is a chamfer at the edge of the retaining edge.

[0044] The pull tab 2 is made of plastic material.

[0045] The spacer 4 between the card edge 1 5 and the card edge 2 6 also has a protruding contact portion, and the middle part of the contact portion has a transversely recessed groove, and the contact portions on both sides of the groove respectively form a contact segment 1 8 and a contact segment 2 9, the above-mentioned contact segment 1 8 is connected to the lower part of the card edge 1 5, and the above-mentioned contact segment 2 9 is connected to the lower part of the card edge 2 6, the contact segment 1 8 can maintain surface contact with the inner end of the pull tab 2, and the side wall of the connecting hole 2a on the pull tab 2 close to its inner end can maintain surface contact with the contact segment 2 9.

[0046] When the contact section 1 8 is in surface contact with the inner end of the pull tab 2, the side wall of the connection hole 2a on the pull tab 2 close to its inner end is in surface contact with the buckle section 2 6a, and the angle between the pull tab 2 and the body 1 is 30-60 degrees. That is, the pull tab 2 is positioned in this state.

[0047] When the contact section 2 9 is in surface contact with the inner end of the pull tab 2, the side wall of the connection hole 2a on the pull tab 2 close to the inner end thereof is in surface contact with the buckle section 1 5a, and the angle between the pull tab 2 and the body 1 is 30-60 degrees. In other words, the pull tab 2 is positioned in this state, and the direction of the pull tab in this state is exactly opposite to the direction of the pull tab in the above positioning state.

[0048] The length of the connecting hole 2a on the pull tab 2 is 2-4 times the width of the card edge 6.

[0049] The novel zipper head is creatively provided with a first card edge and a second card edge, and a first buckle section is provided on the upper part of the first card edge, and a second buckle section is provided on the upper part of the second card edge.

[0050] Since the first fastening section is in surface contact with the inner end of the pull tab, the side wall of the connection hole on the pull tab close to the inner end is in surface contact with the second fastening section. Therefore, the pull tab is relatively tight to the body, and the pull tab will not swing relative to the body without external force. When wearing clothes with the zipper head, the pull tab will not swing.

[0051] Of course, two chain belts with a plurality of chain teeth are respectively embedded in corresponding channels, and under the action of the zipper head, the chain teeth on both sides can be stably engaged with or disengaged from each other.

[0052] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments are within the scope of protection claimed by the present invention.

Claims

1. A zipper head, comprising a body and a pull tab, wherein the body is in the shape of a long sheet, and has protruding retaining edges on both sides along the length direction of the body, and a protruding spacer is provided at a position between the two retaining edges on the body, and a channel for a chain belt to pass through is formed between the spacer and the retaining edge, and the inner end of the pull tab is movably connected to the upper part of the spacer, characterized in that: The upper part of the partition has a protruding clamping edge 1 and a protruding clamping edge 2, and the clamping edge 1 and the clamping edge 2 are arranged front and back along the length direction of the body, the upper part of the clamping edge 1 has an arc-shaped buckling section 1, and the upper part of the clamping edge 2 has an arc-shaped buckling section 2, the inner end of the pull tab has a penetrating connection hole, and the buckling section 2 is embedded in the connection hole, the buckling section 1 is in surface contact with the inner end of the pull tab, and the side wall of the connection hole on the pull tab close to the inner end thereof is in surface contact with the buckling section 2; The thickness of the first and second card edges is greater than the thickness of the spacer; The partition has a baffle on the upper part, the baffle and the upper ends of the two baffle edges are in the same plane, the first and second clamping edges are both fixedly connected to the baffle, and both sides of the baffle extend out of the partition; The edge of the baffle has a transition portion that smoothly transitions from the upper portion to the lower portion; The transition portion is a chamfer at the edge of the retaining edge; The pull tab is made of plastic material; The spacer between the first card edge and the second card edge also has a protruding contact portion, the middle of the contact portion has a transversely recessed groove, and the contact portions at both sides of the groove respectively form a contact segment 1 and a contact segment 2, the contact segment 1 is connected to the lower part of the card edge, and the contact segment 2 is connected to the lower part of the second card edge, the contact segment 1 can maintain surface contact with the inner end of the pull tab, and the side wall of the connection hole on the pull tab close to its inner end can maintain surface contact with the contact segment 2; When the contact section 1 is in contact with the inner end holding surface of the pull tab, the side wall of the connection hole on the pull tab close to its inner end is in contact with the holding surface of the buckle section 2, and the angle between the pull tab and the body is 30-60 degrees; When the contact section 2 is in contact with the inner end holding surface of the pull tab, the side wall of the connection hole on the pull tab close to its inner end is in contact with the holding surface of the buckle section 1, and the angle between the pull tab and the body is 30-60 degrees; The length of the connecting hole on the pull tab is 2-4 times the width of the second card edge.

Images