Zipper puller easy to install

Abstract

The utility model relates to a zipper puller easy to install, which comprises a pulling piece, the pulling piece comprises a main piece and an auxiliary piece, the main piece and the auxiliary piece respectively comprise a rotating seat and a semi-hook part arranged at the top of the rotating seat, the two rotating seats are rotatably connected through a rotating shaft, and after the main piece and the auxiliary piece rotate, the semi-hook part is fixed on the rotating seat. The end portions of the free ends of the two half hook portions abut against the arc side walls of the sinking grooves of the other half hook portion correspondingly, the two half hook portions and the two rotating bases form an annular structure, and the circular protrusion is clamped in the circular recess. By the adoption of the technical scheme, the free ends of the semi-hook parts abut against each other through the arc side walls of the sinking grooves to form the annular structure, forced extrusion is not needed in the installation process, the installation difficulty is lowered, the main piece and the auxiliary piece can be automatically clamped and fixed after rotation through the design of the circular protrusions and the circular recesses on the limiting columns, and operation is easy.

Description

TECHNICAL FIELD

[0001] The utility model belongs to zipper head technical field, especially designs a kind of easy installation zipper head. BACKGROUND

[0002] Zipper head is the key component of zipper, is responsible for the opening and closing of chain tooth, structure usually includes the puller body for separating or engaging chain tooth and the pull tab for manually operating puller body.

[0003] Among them, pull tab is usually hung in the form of hook or buckle on puller body, and puller body is usually made of metal, and its buckle opening is small, and force is needed when installing pull tab, and forcibly squeezing in may cause deformation of pull tab or buckle, resulting in shortened life of deformation part, slower installation speed, and consumers also feel inconvenient when replacing pull tab, and even need tool assistance. SUMMARY

[0004] The utility model discloses a kind of easy installation zipper head, solve the problem that puller of zipper head is not easy to install.

[0005] The utility model discloses the technical scheme of a kind of easy installation zipper head, including pull tab, the pull tab includes main piece and vice piece, the main piece and vice piece are all included with the half hook portion of rotary seat and setting on the top of rotary seat, two rotary seats are rotatably connected by pivot, each half hook portion is the circular arc structure of setting with pivot rotation center as center, the half hook portion one end is fixed end and corresponding rotary seat integral connection, the other end is free end, the end of half hook portion free end is circular arc piece structure, half hook portion free end is provided with sink groove, the side wall of sink groove away from half hook portion free end is the circular arc structure corresponding with half hook portion free end end structure.

[0006] The pull tab further includes clamping structure, the clamping structure includes the limiting post respectively set on main piece and vice piece, two limiting posts are respectively equipped with matching circular protrusion and circular recess on the end face in pivot axial direction.

[0007] After the rotation of the main piece and vice piece, the free end of two half hook portions is respectively correspondingly abutted on the circular arc side wall of the sink groove of another half hook portion, and forms a ring structure with the two rotary seats, and the circular protrusion is clamped in the circular recess.

[0008] Using the above technical scheme, the pull tab is designed by modularization, composed of main piece and vice piece, and the main piece and vice piece can be separately detached and replaced, the free end of half hook portion is abutted on each other through the circular arc side wall of sink groove, to form a ring structure, without forcibly squeezing during installation, reducing installation difficulty, and the circular protrusion and circular recess on the limiting post are designed, so that the main piece and vice piece can be automatically clamped and fixed after rotation, and the operation is simple.

[0009] The further setting of the utility model discloses: one or two clamping structures are equipped on the pull tab.

[0010] Adopt the further setting, can design multiple clamping structures, increase the clamping fixed strength of main piece and vice piece.

[0011] The further setting of the utility model discloses: the clamping structure is set to the outer side of the half hook part end face close to or away from the rotary seat, and each limiting column is integrally connected with the rotary seat.

[0012] Adopt the further setting, the overall structure of main piece and vice piece is simple, and the clamping structure does not need to be connected to main piece or vice piece through assembling, reduces the connecting structure, enhances the overall life, and saves processing cost.

[0013] The further setting of the utility model discloses: two clamping structures are distributed around the central axis center of rotation shaft.

[0014] Adopt the further setting, after the rotation of vice piece and main piece, the circular convex in two clamping structures is clamped in the circular recess, and two clamping structures are on the two sides of rotation shaft, can balance the moment, so that main piece and vice piece are clamped more stably and closely.

[0015] The further setting of the utility model discloses: the end face of the limiting column that sets circular convex or circular recess is in the stepped structure, and the thickness of the outer side of the limiting column is thinner than the thickness of the inner side.

[0016] Adopt the further setting, reduce the wear and tear of the wall surface of the outer side of the limiting column caused by the extrusion of circular convex, and enhance the life of main piece or vice piece with circular convex. DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the pull tab closed state in the embodiment of the utility model;

[0018] Figure 2 It is the overall structure schematic diagram of the pull tab open state in the embodiment of the utility model;

[0019] Figure 3 It is the overall structure schematic diagram of the vice piece in the embodiment of the utility model;

[0020] Figure 4 It is the overall structure schematic diagram of the vice piece in the embodiment of the utility model;

[0021] Figure 5 It is the overall structure schematic diagram of the main piece in the embodiment of the utility model;

[0022] Figure 6 It is the overall structure schematic diagram of the main piece in the embodiment of the utility model;

[0023] In the diagram: 1. Pull tab; 2. Main tab; 3. Secondary tab; 4. Half hook; 5. Sink; 6. Rotary seat; 7. Limiting post; 8. Circular protrusion; 9. Circular groove; 10. Rotating shaft. Detailed Implementation

[0024] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] It should be noted that in the description of this utility model, all directional indicators (such as up, down, forward, backward, etc.) are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a number" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0027] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] like Figures 1-6 As shown, an easy-to-install zipper pull includes a pull tab 1, which includes a main piece 2 and a secondary piece 3. Both the main piece 2 and the secondary piece 3 include a rotating base 6 and a half-hook portion 4 disposed on the top of the rotating base 6. The two rotating bases 6 are rotatably connected by a rotating shaft 10. Each half-hook portion 4 is an arc structure with the rotation center of the rotating shaft 10 as the center. One end of the half-hook portion 4 is a fixed end integrally connected with the corresponding rotating base 6, and the other end is a free end. The end of the free end of the half-hook portion 4 has an arc-shaped structure. A groove 5 is provided on the free end of the half-hook portion 4. The sidewall of the groove 5 away from the free end of the half-hook portion 4 is an arc structure corresponding to the end structure of the free end of the half-hook portion 4.

[0029] The pull-tab 1 further comprises a clamping structure, which is arranged on the outer side of the rotation seat 6 close to or away from the end face of the half-hook portion 4, and comprises a limiting column 7 arranged on the main tab 2 and the auxiliary tab 3 respectively, each limiting column 7 is integrally connected with the rotation seat 6, the clamping structure does not need to be connected to the main tab 2 or the auxiliary tab 3 through assembly or the like, thereby reducing the connecting structure, enhancing the overall service life, saving the processing cost, and the two limiting columns 7 are respectively provided with a matching circular protrusion 8 and a circular recess 9 on the end face in the axial direction of the rotation shaft 10, in the embodiment, the circular protrusion 8 is arranged on the limiting column 7 of the main tab 2, and the circular recess 9 is arranged on the limiting column 7 of the auxiliary tab 3.

[0030] It should be noted that the pull-tab 1 can be provided with one or two sets of clamping structures, and two sets of clamping structures are adopted in the embodiment, and the clamping and fixing strength of the main tab 2 and the auxiliary tab is increased through the two sets of clamping structures, and the circular protrusion 8 and the circular recess 9 can also be arranged on the auxiliary tab 3 and the main tab 2 respectively.

[0031] In the embodiment, the two clamping structures are distributed in a central symmetry around the central axis of the rotation shaft 10, after the main tab 2 and the auxiliary tab 3 are rotated, the circular protrusion 8 in the two clamping structures can be clamped in the circular recess 9, and the two clamping structures are located on the two sides of the rotation shaft 10, which can balance the moment, so that the main tab 2 and the auxiliary tab 3 are clamped more stably and closely.

[0032] In the embodiment, the end face of the limiting column 7 provided with the circular protrusion 8 or the circular recess 9 is in a stepped structure, and the thickness of the outer side of the limiting column 7 is thinner than the thickness of the inner side, and the stepped structure can reduce the wear caused by the extrusion of the circular protrusion 8 on the wall surface of the outer side of the limiting column 7, thereby enhancing the service life of the main tab 2 or the auxiliary tab 3 provided with the circular protrusion 8.

[0033] After the main tab 2 and the auxiliary tab 3 are rotated, the free ends of the two half-hook portions 4 correspondingly abut on the circular arc side walls of the sink grooves 5 of the other half-hook portions 4, and together with the two rotation seats 6, form a ring structure, and the circular protrusion 8 is clamped in the circular recess 9.

[0034] Specifically, the pull-tab 1 adopts a modular design and is composed of the main tab 2 and the auxiliary tab 3, the main tab 2 and the auxiliary tab 3 can be separately disassembled and replaced, the free ends of the half-hook portions 4 abut on each other through the circular arc side walls of the sink grooves 5, forming a ring structure, the installation process does not need to be forcibly extruded, thereby reducing the installation difficulty, and the circular protrusion 8 and the circular recess 9 on the limiting column 7 are designed, so that the main tab 2 and the auxiliary tab 3 can be automatically clamped and fixed after rotation, and the operation is simple.

Claims

1. An easy-to-mount zipper head comprising a pull tab (1), characterized in that, The pull-tab (1) comprises a main tab (2) and a sub-tab (3), the main tab (2) and the sub-tab (3) each comprise a rotating seat (6) and a half-hook portion (4) arranged on the top of the rotating seat (6), the two rotating seats (6) are rotationally connected through a rotating shaft (10), each half-hook portion (4) is an arc structure arranged with the rotating shaft (10) as the center, one end of the half-hook portion (4) is a fixed end and is integrally connected with the corresponding rotating seat (6), the other end is a free end, the end of the free end of the half-hook portion (4) is in an arc tab structure, a sunken groove (5) is arranged on the free end of the half-hook portion (4), the side wall of the sunken groove (5) away from the free end of the half-hook portion (4) is in an arc structure corresponding to the end structure of the free end of the half-hook portion (4); The pull-tab (1) further comprises a clamping structure, the clamping structure comprises a limiting column (7) arranged on the main tab (2) and the sub-tab (3) respectively, the two limiting columns (7) are respectively provided with a matching circular protrusion (8) and a circular recess (9) on the end face in the axial direction of the rotating shaft (10); After the main tab (2) and the sub-tab (3) are rotated, the free end of the two half-hook portions (4) is respectively correspondingly abutted on the arc side wall of the sunken groove (5) of the other half-hook portion (4), and the two rotating seats (6) form a ring structure together, and the circular protrusion (8) is clamped in the circular recess (9).

2. A self-installable slide fastener according to claim 1, wherein One or two clamping structures are arranged on the pull-tab (1).

3. A self installing slide fastener according to claim 2 wherein, The clamping structure is arranged on the outer side of the rotating seat (6) close to or away from the end face of the half-hook portion (4), and each limiting column (7) is integrally connected with the rotating seat (6).

4. A self installing slide fastener according to claim 3 wherein, The two clamping structures are distributed in a center symmetry around the central axis of the rotating shaft (10).

5. A self-installable slide fastener according to claim 1 or 4, wherein The end face of the limiting column (7) provided with the circular protrusion (8) or the circular recess (9) is in a stepped structure, and the thickness of the outer side of the limiting column (7) is thinner than the thickness of the inner side.

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