Quick-release buckle

Abstract

The utility model discloses a quick release buckle, which relates to the field of buckle design and comprises a primary buckle and a secondary buckle which are mutually buckled and connected. A limiting hook and a positioning cylinder are formed at the end, close to the son buckle, of the mother buckle, an inserting cylinder is formed at the end, close to the mother buckle, of the son buckle, and the inserting cylinder is installed between the limiting hook and the positioning cylinder in a clearance fit mode. A limiting cylinder is installed at the right end in the positioning cylinder in a spiral fit mode, a stirring cylinder is installed in the limiting cylinder in a sliding fit mode, a threaded column is installed at the left end in the stirring cylinder in a spiral fit mode, a through hole is formed in the left end in the positioning cylinder, a buckling piece is installed in the through hole in a sliding fit mode, and the threaded column is integrally formed and arranged at the right end of the buckling piece. An elastic piece is installed between the limiting cylinder and the buckling piece in an abutting mode, and the buckling piece is installed at the right end in the inserting cylinder in a clamped mode through the elastic piece. Compared with the prior art, the fastener is simple in structure, the male fastener and the female fastener can be quickly assembled and disassembled, meanwhile, the fastening stability is high, and the service life of the male fastener and the female fastener is long.

Description

Technical Field

[0001] This utility model relates to the field of buckle design, and in particular to a quick-release buckle. Background Technology

[0002] A buckle is a metal or plastic component that holds straps together. A typical buckle consists of several parts, including a base for securing the strap, a buckle that can be opened and closed, and a pivot assembly. Buckles can be used to secure and adjust various items such as shoelaces, belts, watch straps, backpacks, and pet leashes.

[0003] The prior art (announcement number: CN107660845B, announcement date: 2020.09.15) discloses a belt buckle, which achieves positioning and fastening by inserting a locking pin into the locking hole of the belt. This fastening method requires drilling holes in the belt, which will affect the service life of the belt. When disassembling, pulling the belt will allow the locking pin to disengage from the locking hole. This fastening method also has the problem of poor stability.

[0004] The prior art (announcement number: CN218127261U, announcement date: 2022.12.27) discloses a mask headband buckle, which is fastened by inserting the buckle into the female buckle. When disassembling, it is necessary to press both sides of the buckle at the same time to separate the buckle from the female buckle, which makes it inconvenient to use. Moreover, the buckle is prone to aging and breakage after repeated pressing, resulting in a short service life.

[0005] Therefore, it is necessary to design a quick-release buckle structure that is highly stable and suitable for use with buckles. Utility Model Content

[0006] To overcome the shortcomings mentioned above, this utility model provides a technical solution that can solve the above problems.

[0007] A quick-release buckle includes a female buckle and a female buckle, which are interlocked and connected.

[0008] The female buckle is formed with a limit hook and a positioning cylinder at the end near the male buckle, and the male buckle is formed with a plug-in cylinder at the end near the female buckle. The plug-in cylinder is fitted between the limit hook and the positioning cylinder with a clearance fit.

[0009] A limiting cylinder is screwed into the right end of the positioning cylinder, and a sliding cylinder is slidably installed inside the limiting cylinder. A threaded post is screwed into the left end of the sliding cylinder. A through hole is formed in the left end of the positioning cylinder, and a fastener is slidably installed inside the through hole. The threaded post is integrally formed and set at the right end of the fastener. An elastic element is abutted between the limiting cylinder and the fastener, and the fastener is snapped into the right end of the insertion cylinder by the elastic element.

[0010] Furthermore: the left end of the plug tube is plugged into and installed on the limiting hook, and the end of the limiting hook near the plug tube is formed with a spherical chamfer.

[0011] Furthermore, the left end of the buckle is formed with an insertion bevel, and the insertion cylinder is pressed into the buckle through the insertion bevel for quick assembly and disassembly.

[0012] Furthermore, the outer edges of both ends of the plug tube are rounded.

[0013] Furthermore, one side of the buckle is formed with a cutting plane, and a transverse groove is formed in the through hole, and the cutting plane slides left and right in the transverse groove.

[0014] Furthermore, the right end of the actuating cylinder is formed with an actuating cap, the diameter of which is greater than or equal to the diameter of the positioning cylinder.

[0015] Furthermore, the outer ring of the actuating cap is formed with a number of anti-slip teeth, which are arranged in a circular array with each other.

[0016] Furthermore: the spiral direction of the limiting cylinder inside the positioning cylinder is opposite to the spiral direction of the threaded column inside the actuating cylinder; that is, the right end of the positioning cylinder is formed with a first internal thread, the outer side of the limiting cylinder is formed with a first external thread, and the first external thread is screwed into the first internal thread; the left end of the actuating cylinder is formed with a second internal thread, the outer side of the threaded column is formed with a second external thread, and the second external thread is screwed into the second internal thread; the spiral direction of the first internal thread and the spiral direction of the second internal thread are opposite.

[0017] Furthermore, a spring groove is formed on the left end of the limiting cylinder, and the elastic element is a reset spring.

[0018] Furthermore, both the female buckle and the male buckle are respectively formed with one or more square mounting grooves.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. When installing the snap fastener, first insert the plug tube of the female snap fastener at an angle into the limit hook of the female snap fastener, and then press down the other end of the female snap fastener. At this time, the plug tube will drive the buckle to move to the right. After the buckle moves to the right, it will drive the elastic element to squeeze. After the installation is in place, the elastic element will reset, and then the buckle will lock the right end inside the plug tube, realizing quick installation and combination, which is convenient for actual use.

[0021] 2. When disassembly is required, push the lever to the right to move the buckle to the right and disengage it from the plug-in cylinder, thereby achieving a quick disassembly effect;

[0022] 3. During installation, the elastic element always presses firmly against the snap fastener, so it will not loosen on its own. The snap fastening is highly stable. When disassembling, the snap fastener is disengaged from the female snap fastener's insertion cylinder by the compression of the elastic element, which will not affect the service life of the female and female snap fasteners.

[0023] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the structure when the female and female buckles are connected and flipped at a certain angle.

[0027] Figure 3 This is a structural diagram showing the process of removing the female buckle from the male buckle;

[0028] Figure 4 This is an exploded structural diagram of the present invention;

[0029] Figure 5 yes Figure 4 A structural diagram from another perspective;

[0030] Figure 6 yes Figure 4 Another structural diagram from a different perspective.

[0031] The figure shows: 1. Female buckle; 2. Female buckle; 3. Limiting hook; 4. Positioning cylinder; 5. Limiting cylinder; 6. Actuating cylinder; 7. Threaded post; 8. Through hole; 9. Clip; 10. Elastic element; 11. Spherical chamfer; 12. Insertion bevel; 13. Rounded corner; 14. Cutting plane; 15. Transverse groove; 16. Actuating cap; 17. Anti-slip tooth; 18. First internal thread; 19. First external thread; 20. Second internal thread; 21. Second external thread; 22. Spring groove; 23. Square mounting groove; 24. Insertion cylinder. Detailed Implementation

[0032] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0033] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0034] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0035] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] like Figure 1-6 As shown, a quick-release buckle of this utility model includes a female buckle 1 and a female buckle 2, which are fastened together.

[0038] The female buckle 1 is formed with a limit hook 3 and a positioning cylinder 4 at the end near the male buckle 2, and the male buckle 2 is formed with a plug-in cylinder 24 at the end near the female buckle 1. The plug-in cylinder 24 is installed between the limit hook 3 and the positioning cylinder 4 with a clearance fit.

[0039] The right end of the positioning cylinder 4 is screwed with a limiting cylinder 5, the limiting cylinder 5 is slidably fitted with a toggle cylinder 6, the left end of the toggle cylinder 6 is screwed with a threaded post 7, the left end of the positioning cylinder 4 is formed with a through hole 8, the through hole 8 is slidably fitted with a snap fastener 9, the threaded post 7 is integrally formed and set at the right end of the snap fastener 9, the limiting cylinder 5 and the snap fastener 9 are abutted between an elastic element 10, and the snap fastener 9 is snapped into the right end of the insertion cylinder 24 by the elastic element 10;

[0040] The principle is as follows: During the snap-fit ​​installation, first insert the plug tube 24 of the female buckle 2 at an angle into the limiting hook 3 of the female buckle 1, and then press down the other end of the female buckle 2. At this time, the plug tube 24 will drive the buckle 9 to move to the right. After the buckle 9 moves to the right, it will drive the elastic element 10 to squeeze. After the installation is in place, the elastic element 10 will reset, and then the buckle 9 will lock the right end inside the plug tube 24, realizing quick installation and combination, which is convenient for actual use. When disassembly is required, push the actuating cylinder 6 to the right, so that the buckle 9 moves to the right and disengages from the plug tube 24, thereby achieving the effect of quick disassembly. Since the elastic element 10 always presses the buckle 9 during the snap-fit ​​installation, there will be no phenomenon of self-loosening. The snap-fit ​​stability is high. When disassembling, the buckle 9 is disengaged from the plug tube 24 of the female buckle 2 by the squeezing of the elastic element 10, which will not affect the service life of the female buckle 1 and the female buckle 2.

[0041] Furthermore: the left end of the plug tube 24 is plugged into the limiting hook 3, and the end of the limiting hook 3 near the plug tube 24 is formed with a spherical chamfer 11; after the buckle is completed, the setting of the spherical chamfer 11 can make the relative rotation between the female buckle 1 and the female buckle 2 smoother, making it more comfortable to use, and the buckle stability is higher.

[0042] Furthermore: the left end of the buckle 9 is formed with an insertion bevel 12. The insertion tube 24 is pressed into the buckle 9 through the insertion bevel 12 for quick assembly and disassembly. When the insertion tube 24 is fastened, the left end of the insertion tube 24 can be inserted obliquely into the limiting hook 3 of the female buckle 1, and then the other end of the male buckle 2 is pressed down, so that the insertion tube 24 is pressed into the buckle 9 through the insertion bevel 12, causing the elastic element 10 to be squeezed and deformed. When the buckle is in place, the elastic element 10 drives the buckle 9 to reset, thereby locking the right end of the insertion tube 24 and realizing the fastening combination. After the fastening is completed, the male buckle 2 and the female buckle 1 can rotate relative to each other, which can realize quick assembly and fastening, and is convenient for actual use.

[0043] Furthermore, the outer edges of both ends of the plug-in tube 24 are rounded with corners 13, which facilitates the pressing and fastening of the plug-in tube 24 and avoids jamming during assembly.

[0044] Furthermore: one side of the buckle 9 is formed with a cutting plane 14, and a transverse sliding groove 15 is formed in the through hole 8. The cutting plane 14 slides left and right in the transverse sliding groove 15. When the buckle 9 moves in the through hole 8, it will not rotate, making the installation of the buckle 9 in the through hole 8 more stable.

[0045] Furthermore, the right end of the actuating cylinder 6 is formed with an actuating cap 16, the diameter of which is greater than or equal to the diameter of the positioning cylinder 4; the actuating cylinder 6 can be moved by the actuating cap 16 to achieve the effect of quick disassembly.

[0046] Furthermore, the outer ring of the toggle cap 16 is formed with a plurality of anti-slip teeth 17, which are arranged in a circular array with each other; the setting of the protective teeth can facilitate pushing the toggle cap 16 to achieve quick release of the buckle.

[0047] Furthermore: the spiral direction of the limiting cylinder 5 inside the positioning cylinder 4 is opposite to the spiral direction of the threaded column 7 inside the actuating cylinder 6; that is, the right end of the positioning cylinder 4 is formed with a first internal thread 18, the outer side of the limiting cylinder 5 is formed with a first external thread 19, and the first external thread 19 is screwed into the first internal thread 18; the left end of the actuating cylinder 6 is formed with a second internal thread 20, the outer side of the threaded column 7 is formed with a second external thread 21, and the second external thread 21 is screwed into the second internal thread 20; the spiral direction of the first internal thread 18 and the spiral direction of the second internal thread 20 are opposite; through the threads with opposite spiral directions, the limiting cylinder 5 is stably assembled inside the positioning cylinder 4, and there will be no loosening during normal use, ensuring the stability of the female buckle 1 assembly.

[0048] Furthermore, a spring groove 22 is formed on the left end of the limiting cylinder 5, and the elastic element 10 adopts a reset spring; the setting of the spring groove 22 makes the installation of the elastic element 10 more stable and convenient for practical application.

[0049] Furthermore, both the female buckle 1 and the female buckle 2 are respectively formed with one or more square mounting grooves 23; they can be used with straps or ropes, which is convenient, quick and easy, and has a wide range of applications.

[0050] This embodiment does not impose any limitation on the shape, material, structure, etc. of this utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of this utility model.

Claims

1. A quick release buckle, comprising a female buckle and a male buckle, the female buckle and the male buckle being connected to each other by buckling; characterized in that The end of the female buckle close to the male buckle is formed with a limiting hook and a positioning cylinder, the end of the male buckle close to the female buckle is formed with a plug-in cylinder, the plug-in cylinder is installed in the limiting hook and the positioning cylinder in clearance fit; The right end of the positioning cylinder is screw fitted with a limiting cylinder, the limiting cylinder is slidingly fitted with a push cylinder, the left end of the push cylinder is screw fitted with a threaded column, the left end of the positioning cylinder is formed with a through hole, the through hole is slidingly fitted with a buckle piece, the threaded column is integrally formed on the right end of the buckle piece, the limiting cylinder and the buckle piece are abuttingly installed with an elastic piece, and the buckle piece is clamped and installed in the right end of the plug-in cylinder through the elastic piece.

2. The quick release buckle of claim 1, wherein: The left end of the plug-in cylinder is inserted and installed on the limiting hook, and the end of the limiting hook close to the plug-in cylinder is formed with a spherical chamfer.

3. A quick release buckle according to any one of claims 1 or 2, wherein: The left end of the buckle piece is formed with an insertion bevel, and the plug-in cylinder is pressed into the buckle piece through the insertion bevel for quick release assembly.

4. A quick release buckle according to claim 3, wherein: The outer side edges of the left and right ends of the plug-in cylinder are formed with rounded corners.

5. The quick release buckle of claim 3, wherein: One side of the buckle piece is formed with a cutting plane, the through hole is formed with a transverse sliding groove, and the cutting plane slides left and right in the transverse sliding groove.

6. The quick release buckle of claim 1, wherein: The right end of the push cylinder is formed with a push cap, and the diameter of the push cap is greater than or equal to the diameter of the positioning cylinder.

7. A quick release buckle according to claim 6, wherein: A plurality of anti-skid teeth are formed on the outer circle of the push cap, and the plurality of anti-skid teeth are arranged in a circular array.

8. The quick release buckle of claim 1, wherein: The spiral direction of the limiting cylinder in the positioning cylinder is opposite to the spiral direction of the threaded column in the push cylinder.

9. The quick release buckle of claim 1, wherein: The left end of the limiting cylinder is formed with a spring groove, and the elastic piece is a return spring.

10. The quick release buckle of claim 1, wherein: One or more square mounting grooves are formed on the female buckle and the male buckle respectively.

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