Female fastener

Abstract

The utility model discloses a female fastener which is of an integrated structure and comprises a fixing plate, at least two teeth and an inserting opening, and the fixing plate is provided with a through hole. Each tooth comprises a first extension body which is connected to the inner wall of the through hole and extends towards the axis of the through hole so as to contract, and a second extension body which extends towards the first direction on the side, facing the axis of the through hole, of the first extension body and contracts. A plug-in opening is formed in one side, facing the axis of the through hole, of one end, deviating from the first extension body, of each second extension body, and can radially expand so that the plug-in body of the male fastener can be inserted in the opposite direction of the first direction and pulled out in the first direction; the side, facing the axis of the through hole, of the second extension body is used for abutting against the periphery of the plug-in body after the plug-in opening is expanded, and the plug-in body is limited to be disengaged from the teeth. The expansion range of the plug interface can be expanded to improve the adaptability of the plug interface, the cost of fixing a female buckle surface buckle and a female buckle is reduced, and the use experience of a user who is mainly light and thin is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to button technical field, especially a female fastener. BACKGROUND

[0002] The four-button is a kind of button, including the female fastener and male fastener that can be buckled, the female fastener includes female face button, female button, the male fastener includes male button, male face button, female button and female face button riveting cooperation clamping on the fabric of one side, male button and male face button riveting cooperation clamping on the fabric of the other side, female button has an insertion interface in the middle, male button has an insertion body in the middle, the insertion body of male button is entered into the insertion interface of female button and is buckled to the fabric of two sides.

[0003] The existing four-button bottom three pieces, the adaptability of different styles is poor, and almost only can be used in matching, there is limitation in use;On the appearance, female face button is exposed outside or hidden in clothes interlayer, which is not friendly to the group emphasizing simplicity and lightness;In use cost, the cost of fixing four components is relatively high.

[0004] Therefore, how to provide a female fastener to at least partially solve the above-mentioned drawbacks is a technical problem that needs to be solved by the person skilled in the art at present. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a female fastener, which can improve the expansion range of the insertion interface to improve the adaptability of the insertion interface, reduce the cost of fixing the female face button and the female button, and improve the user experience of users who mainly emphasize lightness.

[0006] To achieve the above-mentioned purpose, the utility model provides a female fastener, the female fastener is of one-piece structure, the female fastener includes fixing plate, at least two teeth, insertion interface, the fixing plate is provided with through hole, the tooth includes the first extension body that is connected to the inner wall of through hole and extends towards the axis of through hole to contract, and the second extension body that extends towards the first direction on the side of the first extension body towards the axis of through hole and contracts, the end of all second extension bodies away from the first extension body towards the side of the axis of through hole forms insertion interface, the insertion interface can be radially expanded to be used for the insertion of the insertion body of male fastener in the opposite direction of the first direction, pulling out along the first direction, the side of second extension body towards the axis of through hole is used for abutting with the outer periphery of insertion body after the expansion of insertion interface, limiting the insertion body from the tooth.

[0007] In a possible implementation, the second extension body includes a clamping body extending towards the axis of the through hole, all clamping bodies include a clamping surface towards the axis of the through hole, and the clamping surface is outwardly inclined in the first direction compared to the axis of the through hole, so that the insertion interface has a flared structure in the first direction.

[0008] In a possible implementation, the bottom of the clamping body is concave, and the thickness of the bottom of the clamping body in the radial direction decreases linearly in the opposite direction of the first direction.

[0009] In a possible implementation, all the teeth are uniformly arranged along the circumference of the through hole, and gaps exist between adjacent teeth, and the sides of the adjacent teeth facing the gaps are parallel to each other.

[0010] In a possible implementation, the female fastener is made of TPU.

[0011] In a possible implementation, the top edge of the fixing plate is provided with an annular protrusion, and the annular protrusion and the through hole form a sewing area.

[0012] In a possible implementation, the bottom of the clamping body is provided with a first chamfer, and the first chamfer is located at one end of the clamping body close to the axis of the through hole.

[0013] In a possible implementation, the top of the clamping body is provided with a second chamfer, and the second chamfer is located at one end of the clamping body close to the axis of the through hole.

[0014] In a possible implementation, the top of the second extension body is provided with a third chamfer, and the third chamfer is located at one end of the second extension body away from the axis of the through hole.

[0015] In a possible implementation, the bottom of the second extension body is provided with a fourth chamfer, and the fourth chamfer is located at one end of the second extension body close to the axis of the through hole.

[0016] With respect to the above background technology, the female fastener provided by the utility model is of an integrated structure, and the female fastener comprises a fixing plate, at least two teeth, and a plug-in port, the fixing plate is provided with a through hole, the teeth comprise a first extension body connected to the inner wall of the through hole and extending towards the axis of the through hole for contraction, and a second extension body extending towards the first direction on one side of the first extension body away from the axis of the through hole and being contracted, one end of all the second extension bodies away from the first extension body is formed with the plug-in port on one side of the axis of the through hole, the plug-in port can be radially expanded for insertion of a plug-in body of a male fastener in the opposite direction of the first direction and pulling out in the first direction, and one side of the second extension body towards the axis of the through hole is used for abutting against the outer periphery of the plug-in body after expansion of the plug-in port, so as to limit the plug-in body from being separated from the teeth.

[0017] Specifically, the inner wall of the through hole on the fixed plate is connected with the tooth including the first extension body and the second extension body, the end of the second extension body away from the first extension body is formed towards the side of the axis of the through hole, and the insertion port capable of radial expansion is formed, so that when the insertion body of the male fastener is inserted in the opposite direction of the first direction, the side of the second extension body towards the axis of the through hole abuts against the outer periphery of the insertion body, clamps the insertion body to buckle the fabrics on both sides, and the insertion port is formed at the end in the extension direction of the second extension body, compared with the insertion port formed near the through hole, the expansion range of the insertion port can be improved to adapt to more sizes of the insertion body, and the adaptability of the insertion port is improved; the female fastener adopts an integrated structure, the process of assembling the female fastening surface and the female fastener is omitted, that is, the female fastener does not need to be assembled and can be applied to clothes, the cost of fixing the female fastening surface and the female fastener is reduced, the integrated female fastener is directly fixed on the clothes, compared with the female fastening surface exposed outside or hidden in the clothes interlayer in the prior art, it is more simple, and the use experience of users who mainly pursue lightness and thinness is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0019] Figure 1 The structure schematic view of the female fastener provided by the embodiment of the present application is shown in the figure.

[0020] Figure 2 The structure schematic view of the female fastener provided by the embodiment of the present application is shown in the figure.

[0021] Figure 3 The top view of the female fastener is shown in the figure. Figure 1 The top view of the female fastener is shown in the figure.

[0022] Figure 4 The sectional view along A-A in the figure. Figure 3 The sectional view along A-A in the figure.

[0023] Among them:

[0024] 100-fixed plate, 110-ring-shaped protrusion, 120-to-be-sewn area;

[0025] 200-tooth, 210-first extension body, 220-second extension body, 221-third chamfer, 222-fourth chamfer, 230-clamping body, 231-clamping surface, 232-first chamfer, 233-second chamfer;

[0026] 300-insertion port. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0028] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0029] In the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0030] The purpose of the present application is to provide a female fastener, which can improve the expansion range of the plug-in interface 300 to improve the adaptability of the plug-in interface 300, reduce the cost of fixing the female fastener surface buckle and the female fastener, and improve the user experience of light and thin users.

[0031] It should be noted that the direction of X in the drawings is defined as the first direction, and the direction of Y is defined as the opposite direction of the first direction.

[0032] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4To achieve the above object, the utility model provides a female fastener, female fastener is integral type structure, female fastener includes fixed plate 100, at least two teeth 200, plug interface 300, fixed plate 100 is equipped with through -hole, through -hole is round hole, tooth 200 includes the first extension body 210 that the inner wall of through -hole is connected and extends to the axis of through -hole and contracts to the first extension body 210 towards the side of the axis of through -hole and contracts the second extension body 220 that extends to the first direction, all second extension body 220 the end of the side of the axis of through -hole of deviating from the first extension body 210 forms plug interface 300, female fastener can adopt TPU material, and through integral injection moulding, injection TPU material has good ductility, so that plug interface 300 can be radially expanded to be used for the plug -in body of male fastener is inserted along the opposite direction of first direction, pulls out along the first direction, plug interface 300 can adapt the plug -in body of error about 1mm, only the difference in the process of insertion and pull -out, improve the practicability of plug interface 300, the side of the axis of through -hole of second extension body 220 is used to abut with the periphery of plug -in body after the expansion of plug interface 300, limit plug -in body to separate tooth 200.

[0033] Wherein, the connecting place of first extension body 210 and second extension body 220 presents bending structure, so that tooth 200 extends to the axis of through -hole and contracts after radially extending to the axis of through -hole, extends to the first direction and continues to contract, contraction refers to the distance between the side of tooth 200 towards the axis of through -hole and the axis of through -hole is reduced;Plug interface 300 in the process of radial expansion will make the end of second extension body 220 deviating from the first extension body 210 move away from the axis of through -hole, in this process, the connecting position of second extension body 220 and first extension body 210 occurs elastic deformation or the connecting position of first extension body 210 and fixed plate 100 occurs elastic deformation and generates contraction force, so that the side of second extension body 220 towards the axis of through -hole clamps the periphery of plug -in body, when the connecting position of second extension body 220 and first extension body 210 occurs elastic deformation, and the bending angle change value of second extension body 220 and first extension body 210 is certain, the farther the distance between the end of second extension body 220 deviating from the first extension body 210 and first extension body 210, then the displacement of the end of second extension body 220 deviating from the first extension body 210 is greater, namely, in the application, plug interface 300 is arranged at the end of second extension body 220 deviating from the first extension body 210, can improve the expansion range of plug interface 300 under the condition that the bending angle change value of second extension body 220 and first extension body 210 is certain.

[0034] The inner wall of the through hole on the fixing plate 100 is connected with the teeth 200 including the first extension body 210 and the second extension body 220. The end of the second extension body 220 away from the first extension body 210 is formed towards the side of the axis of the through hole, and the insertion port 300 capable of radial expansion is formed at the end of the second extension body 220 in the extension direction of the through hole axis. When the insertion body of the male fastener is inserted in the opposite direction of the first direction, the side of the second extension body 220 towards the axis of the through hole is in abutment with the outer periphery of the insertion body, the insertion body is clamped to buckle the fabrics on both sides, and the insertion port 300 is formed at the end of the second extension body 220 in the extension direction. Compared with the position of the insertion port 300 close to the through hole, the expansion range of the insertion port 300 can be improved to adapt to more sizes of the insertion body and improve the adaptability of the insertion port 300. The female fastener adopts an integrated structure, which eliminates the process of assembling the female fastener by the female fastener surface and the female fastener, that is, the female fastener can be applied to the clothes without assembly, which reduces the cost of fixing the female fastener surface and the female fastener. The integrated female fastener is directly fixed on the clothes, which is more simple compared with the existing technology in which the female fastener surface is exposed or hidden in the clothes interlayer, and improves the user experience of users who mainly pursue lightness and thinness.

[0035] In a possible implementation, the top edge of the fixing plate 100 is provided with an annular protrusion 110, and the annular protrusion 110 and the through hole form a sewing area 120. When the female fastener is made of TPU material, the fixing plate 100 is also made of TPU material. The fixing plate 100 made of TPU material can be fixed on the clothes by machine sewing or manual sewing, and the annular protrusion 110 of the fixing plate 100 and the through hole are reserved with a certain size of annular sewing area, which is convenient for the above sewing process. Compared with the existing technology in which the female fastener surface and the female fastener are knocked to fix the female fastener on the clothes, the cost can be significantly reduced, and the position of the female fastener can be adjusted again.

[0036] In the extension direction of the axis of the through hole, the thickness of the fixing plate 100 can be set to 1.0mm-1.5mm, for example, the thickness of the fixing plate 100 at the edge in the extension direction of the axis of the through hole is set to 1.5mm, and the thickness of the fixing plate 100 in the sewing area 120 in the extension direction of the axis of the through hole is set to 1.0mm. In addition, the specific size of the fixing plate 100 can be adjusted according to actual needs, as long as the above purpose can be achieved.

[0037] In a possible implementation, the second extending body 220 forms a clamping body 230 extending towards the axis of the through hole on one end of the plug-in interface 300, so as to facilitate better abutment of the clamping body 230 to the outer periphery of the plug-in body. All the clamping bodies 230 include a clamping surface 231 facing the axis of the through hole, which is outwardly inclined in the first direction relative to the axis of the through hole, so that the plug-in interface 300 has a flared structure in the first direction, facilitating the entry of the plug-in body into the plug-in interface 300, while the inclined clamping surface 231 can guide the movement of the plug-in body. In addition, the inclined clamping surface 231 can be adapted to the plug-in body having a constricted structure in the opposite direction of the first direction, so that the clamping surface 231 can better abut the constricted outer peripheral surface of the plug-in body, increase the separation force when separating from the plug-in body, and improve the experience.

[0038] In the possible implementation, the bottom of the clamping body 230 is concave, and the thickness of the bottom of the clamping body 230 in the radial direction decreases linearly in the opposite direction of the first direction, avoiding excessive thickness of the bottom of the inclined clamping body 230, which causes excessive resistance during the insertion of the plug-in body. In addition, the concave portion can provide deformation space for the bottom of the clamping body 230 when deformed, ensuring sufficient locking force and providing self-recovery characteristics through energy storage deformation, avoiding plastic damage to the clamping body 230 and prolonging the service life.

[0039] In a possible implementation, all the teeth 200 are uniformly arranged along the circumferential direction of the through hole, and gaps exist between adjacent teeth 200. The side of the adjacent teeth 200 facing the gap is parallel to each other. The arrangement of the gaps between the adjacent teeth 200 can facilitate the elastic deformation of the teeth 200 to greatly expand in the radial direction, improving the adaptability between the teeth 200 and different plug-in bodies.

[0040] It should be noted that the number of teeth 200 is at least two to ensure that different teeth 200 bend in different directions when the plug-in interface 300 expands radially. When the number of teeth 200 is small (two or three), the central angle corresponding to the contact position between the first extending body 210 of a single tooth 200 and the inner wall of the through hole should be slightly larger, for example, the central angle is not less than 90 degrees.

[0041] In order to improve the clamping effect of the teeth 200 and the plug-in body, the number of teeth 200 can be set to eight, and the eight teeth 200 are uniformly arranged along the circumferential direction of the through hole, that is, the distance between adjacent two teeth 200 is equal, and each tooth 200 has another tooth 200 opposite to it. During the insertion of the plug-in body, a pair of opposite teeth 200 have the same expansion degree and opposite expansion directions, so that the pair of teeth 200 can exert a pair of opposite forces on the plug-in body to clamp and stabilize the plug-in body.

[0042] In a possible implementation, the bottom of the clamping body 230 is provided with a first chamfer 232, which is located at one end of the clamping body 230 close to the axis of the through hole; the top of the clamping body 230 is provided with a second chamfer 233, which is located at one end of the clamping body 230 close to the axis of the through hole.

[0043] The width of the first chamfer 232 is 0.2mm-0.35mm, and the first chamfer 232 can adopt a round chamfer, which can reduce the abrasion when the clamping body 230 and the plug-in body are buckled and separated; the width of the second chamfer 233 is 0.4mm-0.5mm, which can reduce the abrasion when the plug-in body enters the plug-in port 300; the width of the first chamfer 232 and the second chamfer 233 can be adjusted according to actual needs, as long as the above purposes can be achieved.

[0044] In a possible implementation, the top of the second extension body 220 is provided with a third chamfer 221, which is located at one end of the second extension body 220 away from the axis of the through hole; the bottom of the second extension body 220 is provided with a fourth chamfer 222, which is located at one end of the second extension body 220 close to the axis of the through hole.

[0045] The width of the third chamfer 221 is 0.4mm-0.5mm, which prevents the side of the tooth 200 away from the axis of the through hole from being too sharp and being abraded; the width of the fourth chamfer 222 is 0.4mm-0.5mm, which can provide better extension for the tooth 200 when it is stressed and bent; the width of the third chamfer 221 and the fourth chamfer 222 can also be adjusted according to actual needs, as long as the above purposes can be achieved.

[0046] It should be noted that in the present specification, the relationship terms such as first and second are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between the entities.

[0047] The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other.

[0048] The principle and implementation mode of the present application are described by using specific examples in the present specification, and the above embodiment is only used to help understand the method and core idea of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A female fastener, characterized by, The female fastener is of an integrated structure, comprising a fixed plate (100), at least two teeth (200), and a plug-in port (300). The fixed plate (100) is provided with a through hole. The teeth (200) comprise a first extension body (210) connected to the inner wall of the through hole and extending towards the axis of the through hole for contraction, and a second extension body (220) extending towards a first direction on one side of the first extension body (210) towards the axis of the through hole for contraction. All the second extension bodies (220) form the plug-in port (300) on one side of the end away from the first extension body (210) towards the axis of the through hole. The plug-in port (300) can be radially expanded for insertion of a plug-in body of a male fastener in the opposite direction of the first direction, and extraction of the plug-in body in the first direction. The second extension body (220) on one side towards the axis of the through hole is used to abut the outer periphery of the plug-in body after expansion of the plug-in port (300), so as to limit the plug-in body from being separated from the teeth (200).

2. The female fastener according to claim 1, wherein The second extension body (220) comprises a clamping body (230) extending towards the axis of the through hole. All the clamping bodies (230) comprise a clamping surface (231) towards the axis of the through hole, which is outwardly inclined in the first direction compared to the axis of the through hole, so that the plug-in port (300) has a flared structure in the first direction.

3. The female fastener according to claim 2, wherein The bottom of the clamping body (230) is concave, so that the thickness of the bottom of the clamping body (230) in the radial direction linearly decreases in the opposite direction of the first direction.

4. The female fastener according to claim 1, wherein All the teeth (200) are uniformly arranged along the circumference of the through hole, and there is a gap between adjacent teeth (200). Adjacent teeth (200) on one side towards the gap are parallel to each other.

5. The female fastener according to claim 1, wherein The female fastener is specifically made of TPU material.

6. The female fastener according to claim 1, wherein The top edge of the fixed plate (100) is provided with an annular protrusion (110), and a sewing area (120) is formed between the annular protrusion (110) and the through hole.

7. The female fastener according to claim 2, wherein The bottom of the clamping body (230) is provided with a first chamfer (232) at the end close to the axis of the through hole.

8. The female fastener according to claim 2, wherein The top of the clamping body (230) is provided with a second chamfer (233) at the end close to the axis of the through hole.

9. The female fastener according to claim 1, wherein The top of the second extension body (220) is provided with a third chamfer (221) at the end away from the axis of the through hole.

10. The female fastener according to claim 1, wherein The bottom of the second extension body (220) is provided with a fourth chamfer (222) at the end close to the axis of the through hole.

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