Quick-release fastener

Abstract

The utility model relates to the technical field of fasteners, in particular to a quick-release fastener. One ends of the first main body and the second main body are rotationally connected, and the other ends of the first main body and the second main body are quickly disassembled and assembled through a locking assembly. The locking assembly is composed of a locking rod, a locking sleeve, a locking cap and a spring, a locking protrusion is arranged on the locking rod, and locking and releasing are completed through matching of the sliding groove and the clamping groove. During operation, the fastening piece can be closed or separated by pressing the locking rod and rotating the locking rod, and complex tools are not needed. The spring provides reset elastic force, and stable clamping and rapid reset of the locking protrusion are ensured. The device is simple in structure, convenient to operate and suitable for outdoor equipment, industrial maintenance and other scenes needing to be disassembled frequently, the disassembly and assembly efficiency is remarkably improved, and the connection reliability is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of fastener technology, specifically a quick-release fastener. Background Technology

[0002] In many existing connection scenarios, while traditional clamp fastening methods provide a secure connection, they are cumbersome, time-consuming, and require specialized tools, resulting in low efficiency when frequent disassembly, maintenance, or component replacement is needed. For example, in scenarios such as outdoor equipment maintenance, model making, and rapid product inspection, there is an urgent need for a clamp fastener that is easy to operate and can be quickly disassembled and installed without complicated tools. Utility Model Content

[0003] The problem to be solved is to provide a quick-release fastener to adapt to scenarios with frequent disassembly, overcome the shortcomings of traditional fasteners in terms of inconvenient disassembly and installation, and enable fastening and loosening operations to be completed quickly by hand or with the help of simple auxiliary tools, thereby improving work efficiency and ensuring the reliability of the connection.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a quick-release fastener, including a locking assembly connecting a first body and a second body; the locking assembly includes a locking rod, a locking sleeve, and a locking cap;

[0005] One end of the locking rod is provided with at least one locking protrusion, which can slide through the locking sleeve and engage with the slot on the first body and / or the second body;

[0006] The locking cap is slidably fitted onto the locking rod and is detachably connected to the locking sleeve.

[0007] The locking sleeve has a spring cavity, and a spring is installed in the spring cavity. One end of the spring abuts against the inner wall of the spring cavity, and the other end is connected to a stop plate fixed on the locking rod. The spring provides a restoring force to make the locking protrusion stably engaged in the slot.

[0008] Preferably, the first body is provided with a first locking part, and the first locking part is provided with at least one sliding groove for the locking protrusion to slide; the second body is provided with a second locking part, and the second locking part is provided with at least one sliding groove for the locking protrusion to slide.

[0009] Preferably, the at least one locking protrusion includes a first locking protrusion and a second locking protrusion.

[0010] Preferably, the slots provided on the first main body include slot one and slot two, which are respectively engaged with locking protrusion one and locking protrusion two, and slot one and slot two are located on the first locking part.

[0011] Preferably, the slots provided on the second body include slot three and slot four, and slot three and slot four are located on the second locking part.

[0012] Preferably, the end of the locking sleeve away from the locking cap is provided with a groove for the locking protrusion to slide.

[0013] Compared with the prior art, this utility model provides a quick-release fastener, which has the following advantages:

[0014] 1. Quick disassembly and assembly: Fasteners can be locked and unlocked by hand by pressing and rotating the locking lever, without the need for additional tools, and the disassembly time is shorter than that of traditional methods;

[0015] 2. Compact and reliable structure: The locking rod is designed to fit with the slide and slot, combined with a spring return mechanism, to prevent accidental loosening and ensure connection strength and stability;

[0016] 3. Wide adaptability: Supports single / multiple locking protrusion configurations, and the layout of the slide and slot can be flexibly adjusted, making it suitable for different pipe diameters or connection scenarios;

[0017] 4. Product aesthetics: The design of this structure improves the product's aesthetics and makes it look better; the splicing structure achieves end face abutment, making the product almost seamless. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the fastener of this utility model;

[0019] Figure 2 This utility model fastener Figure 1 Cross-sectional schematic diagram of the first and second locking parts at point A;

[0020] Figure 3 This is a schematic diagram of the locking assembly structure of this utility model;

[0021] Figure 4 This utility model fastener Figure 1 Enlarged view of point A in the middle;

[0022] Figure 5 This utility model fastener Figure 1 Schematic diagram of the cross-section at point A in the middle;

[0023] Figure 6 This is a top sectional view of the fastener of this utility model;

[0024] Explanation of reference numerals in the attached drawings: 1. First main body; 11. First locking part; 12. Slide groove one; 13. Slide groove two; 14. Locking groove one; 15. Locking groove two; 2. Second main body; 21. Second locking part; 22. Slide groove three; 23. Slide groove four; 24. Locking groove three; 25. Locking groove four; 3. Locking rod; 31. Locking protrusion one; 32. Locking protrusion two; 33. Baffle; 4. Locking sleeve; 41. Spring cavity; 42. Spring; 43. Slide groove five; 44. Slide groove six; 5. Locking cap. Detailed Implementation

[0025] The technical solutions of the present utility model will now be described with reference to the accompanying drawings in the embodiments of the present utility model:

[0026] In many maintenance and repair work scenarios, frequent disassembly of clamp fasteners is required. To improve work efficiency, this utility model provides a quick-release fastener. As shown in the figure, the fastener includes a first body 1 and a second body 2. The first body 1 and the second body 2 are symmetrically arranged annular structures. One end of the first body 1 and the second body 2 is rotatably connected, and the other end is connected through a locking assembly. The locking assembly includes a locking rod 3, a locking sleeve 4, and a locking cap 5. One end of the locking rod 3 is provided with a locking protrusion. The end of the locking protrusion can be slidably fitted into the locking sleeve 4, the second body 2, and the first body 1. The second body 2 and the first body 1 are provided with slots that engage with the locking protrusion, or one of the second body 2 and the first body 1 is provided with a slot that engages with the locking protrusion. The body with the slot is the side through which the locking protrusion passes. If both the second body 2 and the first body 1 are provided with slots, such as... Figure 2 As shown, the first main body 1 has two slots, slot 14 and slot 2 15, which engage with locking protrusions 31 and 32 respectively. Slots 14 and 2 15 are located on the first locking part 11. The second main body 2 has two slots, slot 3 24 and slot 4 25, which are located on the second locking part 21. Thus, the locking rod 3 can achieve a fixing effect by passing through either side first. The locking cap 5 is slidably sleeved on the locking rod 3 and connected to the locking sleeve 4 by bolts.

[0027] The first main body 1 is provided with a first locking part 11, and the first locking part 11 is provided with a first sliding groove 12 and a second sliding groove 13; the second main body 2 is provided with a second locking part 21, and the second locking part 21 is provided with a third sliding groove 22 and a fourth sliding groove 23; the locking protrusion on the locking rod 3 includes a first locking protrusion 31 and a second locking protrusion 32, the first sliding groove 12 and the third sliding groove 22 are collinear to form a track for the first locking protrusion 31 to slide, and the second sliding groove 13 and the fourth sliding groove 23 are collinear to form a track for the second locking protrusion 32 to slide. If the locking protrusion on the locking rod 3 only includes the first locking protrusion 31, then the first locking part 11 is provided with a corresponding first sliding groove 12, and the second locking part 21 is provided with a corresponding third sliding groove 22. The first locking protrusion 31 passes through the first locking part 11 and the second locking part 21 along the first sliding groove 12 and the third sliding groove 22 and then engages with the third locking groove 24 on the second locking part 21.

[0028] like Figure 5 As shown, the locking sleeve 4 includes a spring cavity 41, a spring 42, a fifth slide groove 43, and a sixth slide groove 44. The locking sleeve 4 contains a spring cavity 41, within which a spring 42 is housed. One end of the spring 42 abuts against the inner wall of the spring cavity 41, and the other end is connected to a baffle 33. The baffle 33 is integrally formed on the outer periphery of the locking rod 3 and located within the spring cavity 41. The end of the locking rod 3 with the locking protrusion can pass through the inside of the spring 42 and then through the locking sleeve 4. The outer diameters of both the first locking protrusion 31 and the second locking protrusion 32 are smaller than the inner diameter of the spring 42. The first locking protrusion 31 can slide against the inner wall of the fifth slide groove 43, and the second locking protrusion 32 can slide against the inner wall of the sixth slide groove 44. The compressible length of the spring 42 is greater than the lengths of the first locking protrusion 31 and the second locking protrusion 32, ensuring that the first locking protrusion 31 and the second locking protrusion 32 can fully extend out of the second locking part 21. Then, the locking rod 3 is rotated to engage the locking protrusion with the corresponding slot. Figure 2 In the middle, the locking protrusion 31 engages with the slot 24, and the locking protrusion 32 engages with the slot 25, thus achieving the locking assembly to securely connect the second body 2 and the first body 1.

[0029] To facilitate the locking rod 3 passing through the locking sleeve 4, a sliding groove 5 43 and a sliding groove 6 44 are provided corresponding to the locking protrusion 1 31 and the locking protrusion 2 32. The sliding groove 5 43 and the sliding groove 6 44 are located on the locking sleeve 4 and are located at the end away from the locking cap 5.

[0030] This invention involves sliding the locking protrusion on the locking rod 3 through the locking sleeve 4, then through the first locking part 11 and the second locking part 21, and finally pressing and rotating the locking rod 3 to engage the locking protrusion with the slot, thus achieving a secure connection between the second body 2 and the first body 1. The number of locking protrusions can be one or more, and is not limited here. The arrangement of the sliding groove and the slot varies and is adjusted according to the number of locking protrusions. In this embodiment, the fastening and disassembly process is described using two locking protrusions; the same principle applies to other cases.

[0031] During installation, first install the locking assembly. Place the spring 42 into the spring cavity 41 of the locking sleeve 4. Pass the end of the locking rod 3 with the locking protrusions 31 and 32 through the inside of the spring 42, then along the slide grooves 43 and 44 through the locking sleeve 4. At this point, the baffle 33 enters the spring cavity 41 and contacts the spring 42. The locking cap 5 slides onto the outside of the locking rod 3. Then, use bolts to fix the locking cap 5 to the locking sleeve 4. The right side of the baffle 33 abuts against the left side of the locking cap 5, completing the installation of the locking assembly. Then, place the object to be fastened inside the first body 1 and the second body 2. The first locking part 11 and the second locking part 21... Contact the locking lever 3; first, guide the locking lever 3 with the locking protrusion 1 31 and locking protrusion 2 32 through the first locking part 11 along the first sliding groove 12 and the second sliding groove 23, and then into the second locking part 21 through the third sliding groove 22 and the fourth sliding groove 23. At this time, press the locking lever 3 at the locking cap 5 end, and the baffle 33 will compress the spring 42, thereby causing the locking protrusion 1 31 and locking protrusion 2 32 to slide completely out of the sliding groove 3 22 and the fourth sliding groove 23. Then, use your hand or a tool to lock the end of the locking protrusion 1 31 so that the locking protrusion 1 31 and locking protrusion 2 32 are engaged in the slot 3 24 and the slot 4 25. Finally, release the pressure on the locking lever 3 at the locking cap 5 end.

[0032] When it is necessary to disassemble the fasteners for maintenance, simply press the locking rod 3 at the end of the locking cap 5 to allow the locking protrusions 31 and 32 to slide completely out of the slots 24 and 25. Then, use your hand or a tool to rotate the end of the locking protrusion 31 to allow it to slide into the grooves 22 and 23 respectively. Release the pressure on the locking rod 3 at the end of the locking cap 5 and pull the locking rod 3, the locking cap 5, or the locking sleeve 4 outward to disengage the locking protrusions 31 and 32 from the grooves 22 and 23. This will separate the first locking part 11 and the second locking part 21, thus achieving quick disassembly of the fasteners.

[0033] This invention provides a quick-release fastener that solves the technical pain points of traditional fasteners, such as cumbersome disassembly and reliance on tools, through an innovative locking component and a sliding groove-slot linkage structure. Its core advantage lies in achieving rapid disassembly through intuitive pressing and rotating operations, significantly improving work efficiency; the spring return mechanism and double locking protrusion design balance ease of operation and connection reliability; its simple structure and strong scalability allow it to adapt to various industrial and civilian fastening needs. Furthermore, this solution reduces maintenance complexity while ensuring connection strength, possessing high practical value and market potential.

[0034] The above embodiments are merely some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

Claims

1. A quick-release fastener, characterized in that: It includes a locking assembly that connects the first body (1) and the second body (2); the locking assembly includes a locking rod (3), a locking sleeve (4), and a locking cap (5); One end of the locking rod (3) is provided with at least one locking protrusion, which can slide through the locking sleeve (4) and engage with the slots on the first body (1) and / or the second body (2); The locking cap (5) is slidably sleeved on the locking rod (3) and detachably connected to the locking sleeve (4); The locking sleeve (4) has a spring cavity (41) inside, and a spring (42) is provided inside the spring cavity (41). One end of the spring (42) abuts against the inner wall of the spring cavity (41), and the other end is connected to the baffle (33) fixed on the locking rod (3). The spring (42) provides a restoring force so that the locking protrusion is stably engaged in the slot.

2. The quick-release fastener as described in claim 1, characterized in that: The first body (1) is provided with a first locking part (11), and the first locking part (11) is provided with at least one sliding groove for the locking protrusion to slide; the second body (2) is provided with a second locking part (21), and the second locking part (21) is provided with at least one sliding groove for the locking protrusion to slide.

3. The quick-release fastener as described in claim 2, characterized in that: The at least one locking protrusion includes locking protrusion one (31) and locking protrusion two (32).

4. The quick-release fastener as described in claim 3, characterized in that: The slots provided on the first main body (1) include slot one (14) and slot two (15). Slot one (14) and slot two (15) are respectively engaged with locking protrusion one (31) and locking protrusion two (32). Slot one (14) and slot two (15) are located on the first locking part (11).

5. The quick-release fastener as described in claim 4, characterized in that: The slots provided on the second main body (2) include slot three (24) and slot four (25), which are located on the second locking part (21).

6. The quick-release fastener as described in claim 1, characterized in that: The locking sleeve (4) has a groove at the end away from the locking cap (5) for the locking protrusion to slide.

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