Pull head capable of keeping position of pull tab

Abstract

The utility model discloses a pull tab position keeping pull head which comprises a pull head body, two groups of pull tab mounting parts and a pull tab, the pull tab is provided with a rotating shaft, the pull tab mounting parts are provided with shaft holes for the rotating shaft to penetrate through, the two groups of pull tab mounting parts are arranged at intervals in the width direction of the pull head body, and clamping blocks are arranged on the peripheral edge of the rotating shaft. When the pulling piece is installed on the two groups of pulling piece installation parts, the clamping block is located between the two groups of pulling piece installation parts and is connected with the two groups of pulling piece installation parts in a clamping mode, the adjacent needle teeth always clamp the clamping block in the rotating process of the pulling piece, the pulling piece cannot shake in the using process, and the using feeling is better.

Description

Technical Field

[0001] The utility model relates to zipper technology, in particular to a pull-tab position-keeping slider. Background Art

[0002] Zippers are often used in sportswear. Zippers generally include a chain strap and a slider. The slider includes a slider body for closing the chain strap and a pull tab connected to the slider body for operating the slider body. Since the sliders on sportswear are generally small in size, the slider structure usually used is usually simple and does not include a structure for fixing the pull tab. Therefore, during exercise, the pull tab is easy to shake during exercise and cannot maintain its position, thereby generating noise and affecting the user experience. Utility Model Content

[0003] In view of this, the purpose of the present invention is to provide a pull tab position retaining slider.

[0004] In order to achieve the above purpose, the solution of the utility model is:

[0005] A pull tab position retaining slider comprises a slider body, a pull tab mounting portion and a pull tab, wherein the pull tab has a rotating shaft, the pull tab mounting portion has an axial hole for the rotating shaft to pass through, the pull tab mounting portions are in two groups, the two groups of pull tab mounting portions are spaced apart in the width direction of the slider body, a clamping block is provided on the outer peripheral edge of the rotating shaft, when the pull tab is mounted on the two groups of pull tab mounting portions, the clamping block is located between the two groups of pull tab mounting portions and is clamped with the two groups of pull tab mounting portions, and the adjacent pull tab mounting portions always clamp the clamping block during the rotation of the pull tab.

[0006] Furthermore, the pull tab is a resin pull tab.

[0007] Furthermore, when the pull tab is laid backward on the slider body, the clamping block is located on a side of the shaft portion facing away from the slider body.

[0008] Furthermore, the pull tab has an opening located on one side of the rotating shaft, and the clamping block is located in the opening.

[0009] Furthermore, the clamping block has an arc-shaped surface facing the pull-tab mounting portion.

[0010] Furthermore, chamfers are provided on both sides of one end of the clamping block away from the rotating shaft.

[0011] Furthermore, the clamping block is away from the surface of the pull tab where the clamping block does not extend beyond the pull tab in the thickness direction of the pull tab.

[0012] Furthermore, the pull-tab mounting portion includes a pair of needle teeth that are arranged opposite to each other, and the pair of needle teeth face each other and surround the shaft hole.

[0013] After adopting the above structure, the zipper proposed by the utility model has the following technical effects: the clamping block on the rotating shaft is always clamped by a pair of pull-tab mounting parts when the pull-tab rotates, so that the pull-tab can maintain its position during the rotation process, and the user experience is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a pull tab position-maintaining slider after the pin teeth are riveted in the first embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of a top view of a pull tab position-maintaining slider when the pin teeth are not riveted in the first embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of a top view of a pull tab position-maintaining slider after pin-tooth riveting in the first embodiment of the utility model;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the pull tab in the second embodiment of the utility model;

[0018] Figure 5 It is a three-dimensional structural schematic diagram of a pull tab position-maintaining slider after pin-tooth riveting in the second embodiment of the present invention.

[0019] In the figure: 1. slider body, 2. pull tab, 3. support, 4. clamping block, 5. needle teeth, 6. opening, 7. rotating shaft, 8. curved surface, 9. chamfer, 10. clearance groove. DETAILED DESCRIPTION

[0020] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0021] It should be noted that the terms "center", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.

[0022] Implementation method 1:

[0023] like Figure 1-3A pull tab position maintaining slider shown in the figure includes a slider body 1, a pull tab mounting portion and a pull tab 2, wherein the pull tab mounting portion is arranged on the slider body 1, and specifically, the pull tab mounting portion is arranged on the upper surface of the slider body 1. The slider body can use the structure of a slider such as an automatic head or an invisible head in the prior art. The slider body used in this embodiment is an invisible head structure, and the slider body 1 includes a Y-shaped chain tooth channel, and a base 3 located in the chain tooth channel, and the pull tab mounting portion is arranged on the base 3.

[0024] The pull tab 2 has a rotating shaft 7 , at least part of the rotating shaft 7 is made of resin material. In the present embodiment, the pull tab 2 is a pull tab integrally formed of resin material, and the pull tab 2 is formed with an opening 6 located on one side of the rotating shaft 7 .

[0025] The pull-tab mounting portion has an axial hole for the rotating shaft 7 to pass through. There are two groups of pull-tab mounting portions. The two groups of pull-tab mounting portions are spaced apart in the width direction of the slider body 1, and the axial holes of the two groups of pull-tab mounting portions are coaxially arranged. A clamping block 4 is protruded on the outer peripheral edge of the rotating shaft 7. When the pull-tab 2 is installed in the two groups of pull-tab mounting portions, the clamping block 4 is located between the two groups of pull-tab mounting portions and is clamped with the two groups of pull-tab mounting portions. The clamping block 4 is clamped on the side of the two groups of pull-tab mounting portions facing each other.

[0026] Specifically, in the present embodiment, the pull-tab mounting portion adopts two needle teeth 5 facing each other, with an axial placement space between the needle teeth 5, the needle teeth 5 being erected on the base 3, the needle teeth 5 having a hook-shaped top end, and the two needle teeth 5 are riveted to make their top ends close to each other, and the two riveted needle teeth 5 and the base 3 surround the axial hole, and the process of assembling the pull-tab 2 on the slider body 1 is as follows: two needle teeth 5 adjacent to each other in the width direction of the slider body 1 are passed through the opening 6, the rotating shaft 7 is placed in the axial placement space, and then the top ends of the needle teeth 5 are riveted, so that the top ends of the needle teeth 5 are abutted against each other to prevent the rotating shaft 7 from detaching from the axial hole. In order to facilitate the above-mentioned installation process, in the present embodiment, the position of the clamping block 4 is set as follows: the clamping block 4 is located on one side in the thickness direction of the pull-tab 2, specifically, as Figure 1 and Figure 3 When the slider body 1 is laid backward as shown, the block 4 is located on the side of the rotating shaft 7 facing away from the slider body 1, and the maximum width of the block 4 along the width direction of the slider is smaller than the minimum spacing between two adjacent sets of needle teeth in the width direction of the slider. When not riveted, the block 4 is located above the shaft hole placement space, and at this time, the block 4 does not contact the needle teeth 5. After riveting, the needle teeth 5 are bent and the top of the needle teeth 5 clamps the block 4. Further, the block 4 has two side surfaces facing the pull-tab mounting portion, and both of the side surfaces are arc-shaped surfaces 8. The structure of the arc-shaped surface 8 helps to reduce the resistance of the needle teeth 5 in the process of riveting and squeezing the block 4.

[0027] Furthermore, a clearance groove 10 is provided on the slider body 1. When the pull tab 2 is folded forward on the slider body 1, the block 4 is located in the clearance groove 10. The clearance groove 10 serves to accommodate the block 4, so that the pull tab 2 can fit more closely to the upper surface of the slider body 1 when it is folded forward.

[0028] When the utility model is in use, since the maximum width of the clamping block 4 along the width direction of the slider body 1 is smaller than the minimum distance between two adjacent needle teeth 5 in the width direction of the slider body 1, the adjacent needle teeth 5 always clamp the clamping block 4 during the rotation of the pull tab. Therefore, the pull tab 2 can be maintained in various positions under the action of the friction force between the needle teeth 5 and the clamping block 4.

[0029] Implementation method 2:

[0030] like Figure 4-5 As shown, this embodiment is substantially the same as the first embodiment, except that: the block 4 of this embodiment is arranged along the length direction of the pull tab, and the block 4 is located in the opening 6, and the block 4 does not extend out of the surface of the pull tab 2 in the thickness direction of the pull tab 2. This structure has the following advantages: the block 4 is arranged in the opening and does not extend out of the surface of the pull tab 2, so that the size of the rotating shaft 7 in the thickness direction is reduced, and when the pull tab is rotated to the forward lying state after riveting, the angle between the pull tab 2 and the slider body 1 can be close to 0 degrees.

[0031] The present embodiment has the following differences during the installation process of the pull tab 2: when the needle teeth 5 are not riveted, the rotating shaft 7 is placed above the shaft placement space, and the clamping block 4 is squeezed into the gap between two adjacent needle teeth 5 only along the width direction of the slider. In order to facilitate the installation, chamfers 9 are provided on both sides of the end of the clamping block 4 away from the rotating shaft 7. This structure can reduce the resistance during installation.

[0032] The above embodiments and drawings do not limit the product form and style of the utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the utility model.

Claims

1. A pull tab position retaining slider, characterized in that: The invention comprises a slider body, a pull-tab mounting portion and a pull-tab, wherein the pull-tab has a rotating shaft, the pull-tab mounting portion has an axial hole for the rotating shaft to pass through, the pull-tab mounting portions are in two groups, the two groups of the pull-tab mounting portions are spaced apart in the width direction of the slider body, a clamping block is provided on the outer peripheral edge of the rotating shaft, when the pull-tab is mounted on the two groups of the pull-tab mounting portions, the clamping block is located between the two groups of the pull-tab mounting portions and is clamped with the two groups of the pull-tab mounting portions, and the adjacent pull-tab mounting portions always clamp the clamping block during the rotation of the pull-tab.

2. A pull tab position retaining slider according to claim 1, characterized in that: The pull tab is a resin pull tab.

3. A pull tab position retaining slider as claimed in claim 2, characterized in that: When the pull tab is laid backward on the slider body, the clamping block is located at a side of the rotating shaft facing away from the slider body.

4. A pull tab position retaining slider according to claim 2, characterized in that: The pull tab has an opening located at one side of the rotating shaft, and the clamping block is located in the opening.

5. A pull tab position retaining slider as claimed in claim 3, characterized in that: The clamping block has an arc-shaped surface facing the pull-tab mounting portion.

6. A pull tab position retaining slider as claimed in claim 3, characterized in that: The slider body is provided with a clearance groove, and when the pull tab is laid forward on the slider body, the clamping block is located in the clearance groove.

7. A pull tab position retaining slider according to claim 4, characterized in that: Chamfers are arranged on both sides of one end of the clamping block away from the rotating shaft.

8. A pull tab position retaining slider according to claim 4, characterized in that: The clamping block is away from the surface of the pull tab where the clamping block does not extend beyond the pull tab in the thickness direction of the pull tab.

9. A pull tab position retaining slider according to any one of claims 1 to 8, characterized in that: The pull-tab mounting portion includes a pair of needle teeth arranged opposite to each other, and the pair of needle teeth face each other and surround the shaft hole.

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