Anti-loosening sleeve buckle

Abstract

The utility model relates to an anti-loosening sleeve buckle, and relates to the technical field of clothing accessories, the sleeve buckle comprises a female buckle and a male buckle, the female buckle comprises a first buckle body, the first buckle body is cylindrical, and the interior of the first buckle body is hollow to form a containing cavity; the male buckle comprises a second buckle body, the second buckle body is cylindrical and matched with the first buckle body, and the second buckle body can be inserted into the containing cavity and rotate to enable the female buckle and the male buckle to be fixed; the second buckle body can also rotate reversely and then stretch out of the containing cavity so that the female buckle can be separated from the male buckle. The problem that existing clothes are prone to loosening when being vibrated or pulled by the outside world is solved.

Description

Technical Field

[0001] This application relates to the field of clothing accessories technology, and in particular to an anti-loosening buckle. Background Technology

[0002] In the apparel industry, connecting components play a crucial role. One existing technology for connecting garments uses button assemblies, which typically consist of a hook loop and a hook body. When fastened, the hook body needs to be hooked inside the hook loop to achieve the desired fit. However, repeated use of this type of button assembly can easily lead to deformation of the button body, decreased elasticity, reduced reliability, and potential safety hazards. Another existing technology uses buttons and buttonholes on both sides of the garment. Buttons are passed through the buttonholes to connect clothing and other items. However, after the buttonholes are fastened, if the garment does not fit properly, the button can easily come loose from the buttonhole, or the buttonhole can be pulled by the button, causing the button to fall off or be damaged. Furthermore, both of these methods have the drawback that they may accidentally come loose due to incomplete fastening when subjected to external vibrations or pulling, posing a higher risk, especially in dynamic applications (such as outdoor sports or industrial environments). Utility Model Content

[0003] This application provides an anti-loosening buckle to solve the problem that clothing is prone to coming loose when subjected to external vibration or pulling.

[0004] An anti-loosening buckle, comprising:

[0005] The female buckle includes a first buckle body, which is cylindrical and hollow inside to form a receiving cavity;

[0006] The male buckle includes a second buckle body, which is cylindrical and engages with the first buckle body. The second buckle body can be inserted into the receiving cavity and rotated to engage and fix the female buckle and the male buckle. The second buckle body can also be rotated in the opposite direction and then extended out of the receiving cavity to separate the female buckle and the male buckle.

[0007] By adopting the above technical solution, fastening and separation are achieved through insertion and rotation, as well as reverse rotation and pulling out. Compared with the single-point contact of the fastening structure of the prior art, the solution of this application is a circumferential contact fastening and locking of the male and female fasteners, with a large contact area, which avoids the clothing from coming off. It is especially suitable for scenarios that require quick dressing and undressing, such as underwear, infant clothing, and sportswear. It is also suitable for quick dressing and undressing in special environments (such as wearing gloves or blind operation).

[0008] In one embodiment, the second buckle body is provided with a limiting part, which has two parts and protrudes from the outer surface of the second buckle body. The surface of the first buckle body is provided with a moving hole, which is L-shaped. The limiting part can extend into one end of the moving hole and then rotate to abut against the other end of the moving hole.

[0009] By adopting the above technical solution, the L-shaped moving hole and the limiting part cooperate to form a guide path, ensuring that the male buckle can only rotate and be fixed according to the preset trajectory; the symmetrical design of the double limiting part enhances the force balance and prevents failure caused by unilateral wear; the moving hole can also prevent separation along the axial direction of the first buckle body and improve tensile strength.

[0010] In one embodiment, the second buckle body is provided with a snap-fit ​​portion, which is retractable on the surface of the second buckle body. The snap-fit ​​portion is located on the side of the limiting portion away from the first buckle body. The surface of the first buckle body is provided with a fixing hole. The limiting portion and the snap-fit ​​portion first extend into the moving hole and then rotate to make the snap-fit ​​portion extend out of the fixing hole.

[0011] By adopting the above technical solution, the limiting part and the locking part extend into the moving hole until the limiting part abuts against the circumferential edge of the moving hole. Then, rotation causes the locking part to first abut against the first buckle body and be compressed, and then rotation extends it out of the fixing hole, thus achieving engagement. In addition, after engagement, rotation in the opposite direction causes the locking part to retract again, and then it extends in the moving hole, at which point movement along the axial direction achieves separation. Therefore, the limiting part and the moving hole also serve a positioning function, ensuring that the locking part and the fixing hole are flush circumferentially.

[0012] In one embodiment, the snap-fit ​​portion includes an elastic element and a steel ball, one end of the elastic element is fixed and the other end is connected to the steel ball, and the steel ball can extend out of the fixing hole and abut against the first buckle body.

[0013] By adopting the above technical solution, the steel ball is connected to the male buckle through an elastic element. When it rotates and abuts against the female buckle, the steel ball can be compressed, and the elastic element absorbs the impact force, reducing metal collision noise and structural damage. After locking, the elastic element provides continuous tension, ensuring that the steel ball is tightly embedded in the fixing hole and abuts against the first buckle body, avoiding accidental unlocking due to vibration or external force.

[0014] In one embodiment, the second buckle body has a through hole, the snap-fit ​​part is disposed in the through hole and also includes a pin, the pin is fixed to the second buckle body, and the steel ball and the pin are respectively disposed at both ends of the elastic member.

[0015] By adopting the above technical solution, the pin is fixed to one end of the through hole, providing a stable support point for the elastic element, preventing it from shifting or twisting during expansion and contraction, ensuring the steel ball moves in a straight line, and improving the locking accuracy. The through hole guides the movement trajectory of the steel ball, preventing lateral swaying and further enhancing stability during locking.

[0016] In one embodiment, the first buckle body is provided with a first magnetic pole, and the second buckle body is provided with a second magnetic pole, wherein the first magnetic pole and the second magnetic pole can abut and attract each other.

[0017] By employing the above technical solutions, magnetism provides initial fixing force, preventing the male snap from accidentally falling off before rotation locking, enhancing the smoothness of the fastening process, and making it suitable for vibrating environments (such as sportswear). Magnetic-assisted positioning helps the male snap quickly align with the receiving cavity, reducing alignment time during insertion and improving operational efficiency. The concealed magnetic pole design avoids interference from external magnetic fields.

[0018] In one embodiment, the female buckle further includes a first connecting portion located at the end of the first buckle body away from the second buckle body; the male buckle further includes a second connecting portion located at the end of the second buckle body away from the first buckle body, and the first connecting portion and the second connecting portion can be connected to clothing.

[0019] By adopting the above technical solution, the independent connection part design allows the buckle to be fixed to various types of clothing (such as coats, underwear, and backpacks) through sewing, riveting, etc., avoiding the stress concentration problem caused by the direct connection between the traditional buckle and the clothing.

[0020] In one embodiment, the first connecting portion includes a first base plate and a first baffle, the first base plate being fixed to the first buckle body, and the first baffle being disposed on the side of the first base plate away from the first buckle body and being arc-shaped; the second connecting portion includes a second base plate and a second baffle, the second base plate being fixed to the second buckle body, and the second baffle being disposed on the side of the second base plate away from the second buckle body and being arc-shaped.

[0021] By adopting the above technical solution, the arc-shaped baffle conforms to the curvature of the fingers, ensuring even force distribution during pinching and reducing finger fatigue during operation. It is especially suitable for scenarios requiring frequent donning and doffing (such as protective clothing for medical personnel). The baffle and the base plate form a three-dimensional structure, increasing the contact area between the fingers and allowing for easy operation even when wearing gloves, thus improving environmental adaptability (such as low-temperature work clothes).

[0022] In one embodiment, the first connecting portion further includes a first fastening strip, which connects both ends of the first baffle; the second connecting portion further includes a second fastening strip, which connects both ends of the second baffle.

[0023] By adopting the above technical solutions, the buckle can be threaded with cords, chains, or other accessories to achieve an indirect connection between the buckle and clothing (such as detachable decorative accessories or safety ropes), meeting personalized design needs. For clothing made of elastic fabrics or requiring room for movement, the buckle can be adjusted with cords to improve wearing comfort and fit.

[0024] In one embodiment, the first buckle body and the second buckle body are made of plastic or metal alloy.

[0025] By adopting the above technical solutions, plastics are lightweight, corrosion-resistant, and insulating, making them suitable for everyday clothing and children's apparel, avoiding the risk of metal allergies, and at a lower cost. Metal alloys have high strength and good wear resistance, making them suitable for high-frequency, high-intensity applications such as outdoor equipment and workwear, and their aesthetics and rust resistance can be improved through electroplating processes.

[0026] In summary, this application includes at least one beneficial effect:

[0027] 1. The fastening and disengagement are achieved by inserting and rotating, and then rotating in the opposite direction to pull out. Compared with the single-point contact of the fastening structure of the prior art, the solution of this application is a circumferential contact fastening and locking of the male and female fasteners. The contact area is large, which avoids the clothing from coming loose. It is especially suitable for scenarios that require quick dressing and undressing, such as underwear, infant clothing, and sportswear. It is also suitable for quick dressing and undressing in special environments (such as wearing gloves or blind operation).

[0028] 2. The limiting part and the locking part extend into the moving hole until the limiting part abuts against the circumferential edge of the moving hole. Then, rotation causes the locking part to first abut against the first fastener and be compressed, and then rotation extends it out of the fixing hole, thus achieving engagement. Alternatively, rotation can be performed first to retract the locking part, and then it can extend out of the moving hole, thus achieving separation. Therefore, the limiting part and the moving hole also serve a positioning function, ensuring that the locking part and the fixing hole are flush circumferentially.

[0029] 3. Magnetic force provides initial fixing force, preventing the male snap from accidentally falling off before rotation locking, enhancing the smoothness of the fastening process, and making it suitable for vibrating environments (such as sportswear). Magnetic-assisted positioning helps the male snap quickly align with the receiving cavity, reducing alignment time during insertion and improving operational efficiency. The concealed magnetic pole design avoids interference from external magnetic fields. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of an anti-loosening buckle provided in an embodiment of this application;

[0031] Figure 2 This is a schematic diagram of the structure of a female buckle provided in an embodiment of this application;

[0032] Figure 3This is a schematic diagram of the structure of a male buckle provided in an embodiment of this application;

[0033] Figure 4 This is a cross-sectional structural diagram of a male and female fastener fixing provided in an embodiment of this application;

[0034] Figure 5 This is a cross-sectional structural diagram of a male and female fastener fixing provided in the second embodiment of this application.

[0035] Explanation of reference numerals in the attached drawings: 1. Female buckle; 11. First buckle body; 111. Receiving cavity; 112. Moving hole; 1121. First section; 1122. Second section; 113. Fixing hole; 114. First magnetic pole; 12. First connecting part; 121. First base plate; 122. First baffle; 123. First buckle strip; 2. Male buckle; 21. Second buckle body; 211. Limiting part; 212. Snap-fit ​​part; 2121. Elastic element; 2122. Steel ball; 2123. Pin; 213. Through hole; 214. Second magnetic pole; 22. Second connecting part; 221. Second base plate; 222. Second baffle; 223. Second buckle strip. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-5 The buckle provided in this application will be described in further detail.

[0037] Example 1

[0038] Traditional hook and loop fasteners require precise alignment of the hook and loop within ±0.5mm axially and ±2° angularly to complete the fastening. However, actual sewing errors often lead to a fastening failure rate as high as 15% (e.g., the placket shifts or the fabric deforms).

[0039] It is difficult to operate with one hand or with gloves on: the hook and loop need to be engaged with both hands (one hand to hold the loop and the other hand to push the hook body).

[0040] Please see Figure 1-5 The buckle provided in this application embodiment includes a female buckle 1 and a male buckle 2.

[0041] like Figures 1 to 2 As shown, the female buckle 1 includes a first buckle body 11, which is cylindrical and hollow inside to form a receiving cavity 111. The first buckle body 11 can be made of plastic, which is lightweight, low-cost, and has a certain degree of flexibility; or it can be made of metal alloy, which is sturdy, durable, and has a good texture. For example, the first buckle body 11 made of aluminum alloy is both lightweight and has high strength.

[0042] like Figure 3As shown, the male buckle 2 includes a second buckle body 21, which is cylindrical and mates with the first buckle body 11. The second buckle body 21 can be inserted into the receiving cavity 111 and rotated to lock the female buckle 1 and male buckle 2 in place. After locking, it can also be rotated in the opposite direction and then extended out of the receiving cavity 111 to separate the female buckle 1 and male buckle 2. This achieves a simple and quick fastening and disengagement method. The rotation operation is easier to operate and saves time compared to traditional button fastening and zipper closure. The second buckle body 21 can also be made of plastic or metal alloy, similar to the material selection criteria for the first buckle body 11. The female buckle 1 and male buckle 2 can be respectively set on the two sides of the garment. Insertion activates the locking mechanism, and the insertion and rotation action takes only 0.3 seconds per cycle (compared to 0.8 seconds per cycle for traditional hook and loop fasteners). It also supports blind operation (such as operation by firefighters wearing gloves). It can be used stably in a wide range of applications, from polar expedition suits to underwater work suits.

[0043] The second buckle body 21 is provided with a limiting part 211, which has two parts and protrudes from the outer surface of the second buckle body 21. The limiting part 211 can be a protruding block structure, and the material can be the same as the second buckle body 21. For example, when the second buckle body 21 is made of metal alloy, the limiting part 211 can be manufactured by integral molding. The surface of the first buckle body 11 is provided with a moving hole 112, which is L-shaped and includes a first segment 1121 and a second segment 1122. The first segment 1121 is located at the end of the first buckle body 11 near the second buckle body 21 and extends away from the second buckle body 21. The second segment 1122 communicates with the first segment 1121 and extends along the circumference of the first buckle body 11. The limiting part 211 can extend into the first segment 1121 until it abuts the end of the first segment 1121 and then rotate to abut the end of the second segment 1122. The cooperation between the L-shaped moving hole 112 and the limiting part 211 can prevent the male buckle 2 from moving and separating along its length direction.

[0044] like Figure 4As shown, the second buckle body 21 has a locking part 212 inside. The locking part 212 can extend and retract on the surface of the second buckle body 21. The locking part 212 is located on the side of the limiting part 211 away from the first buckle body 11. The surface of the first buckle body 11 has a fixing hole 113. The limiting part 211 and the locking part 212 first extend into the moving hole 112 and then rotate so that the locking part 212 corresponds to the fixing hole 113 and extends out of the fixing hole 113. Specifically, the second buckle body 21 has a through hole 213 inside. The locking part 212 is located in the through hole 213 and includes an elastic element 2121, a steel ball 2122 and a pin 2123. The pin 2123 is fixed to the second buckle body 21. The steel ball 2122 and the pin 2123 are respectively located at both ends of the elastic element 2121. The steel ball 2122 can extend out of the through hole 213 and the fixing hole 113 and abut against the first buckle body 11. The pin 2123 serves to fix the elastic element 2121, ensuring that one end of the elastic element 2121 is fixed while the end connected to the steel ball 2122 can contract or extend under force, thereby ensuring the normal operation of the snap-fit ​​part 212. The elastic element 2121 can be a spring, which has good elastic recovery ability and can ensure the stability of the steel ball 2122 during the extension and retraction process. The steel ball 2122 has high hardness and a smooth surface, which facilitates contact with the first buckle body 11 and extension and retraction operations. In this embodiment, when the female buckle 1 and the male buckle 2 are fixed, there is a gap between the upper end surface of the receiving cavity 111 and the upper end surface of the second buckle body 21.

[0045] The female buckle 1 also includes a first connecting part 12, which is located at the end of the first buckle body 11 away from the second buckle body 21; the male buckle 2 also includes a second connecting part 22, which is located at the end of the second buckle body 21 away from the first buckle body 11. The first connecting part 12 and the second connecting part 22 can be connected to external clothing.

[0046] Specifically, the first connecting part 12 includes a first base plate 121 and a first baffle 122. The first base plate 121 is fixed to the first buckle body 11, and the first baffle 122 is located on the side of the first base plate 121 away from the first buckle body 11 and is arc-shaped. The second connecting part 22 includes a second base plate 221 and a second baffle 222. The second base plate 221 is fixed to the second buckle body 21, and the second baffle 222 is located on the side of the second base plate 221 away from the second buckle body 21 and is arc-shaped. This arc-shaped baffle design makes it convenient for personnel to clamp the first baffle 122 and the second baffle 222 to fasten or detach them, conforming to ergonomic principles and making operation more convenient. The cross-sectional area of ​​the second base plate 221 is larger than that of the second buckle body 21, so that the lower end face of the first buckle body 11 can abut against the second base plate 221 to form a cylinder, avoiding the buckle surface having protrusions that could abut against the human body surface and cause injury. The first connecting part 12 also includes a first fastener 123, which connects the two ends of the first baffle 122; the second connecting part 22 also includes a second fastener 223, which connects the two ends of the second baffle 222. The first fastener 123 and the second fastener 223 facilitate connection with external clothing, generally by attaching a rope or strap to the fastener and then sewing the end of the rope or strap to the clothing.

[0047] The implementation principle of this embodiment is as follows: The buckle is inserted into the receiving cavity 111 of the first buckle body 11 of the female buckle 1 through the second buckle body 21 of the male buckle 2. The limiting part 211 and the steel ball 2122 can extend into the first section 1121 of the moving hole 112 until the limiting part 211 abuts the end of the first section 1121. At this time, the steel ball 2122 is circumferentially flush with the fixing hole 113. Then the second buckle body 21 is rotated, and the limiting part 211 continues to move toward the end of the second section 1122. The steel ball 2122 is abutted by the first buckle body 11 and thus retracts into the through hole 213. Then it continues to rotate until the limiting part 211 abuts the end of the second section 1122. At this time, the through hole 213 corresponds to the fixing hole 113. The elastic element 2121 extends to make the steel ball 2122 extend out of the fixing hole 113 and engage with the first buckle body 11, preventing the second buckle body 21 from detaching from the first buckle body 11, thus realizing the anti-loosening fixation of the male buckle 2 and the female buckle 1. When separation is required, the second buckle body 21 is rotated in the opposite direction, and the abutting part moves along the second section 1122. The steel ball 2122 is abutted and retracted into the through hole 213 for easy rotation until the abutting part abuts the end of the first section 1121. At this time, the through hole 213 is also located in the first section 1121 and the steel ball 2122 can protrude. Then, the male buckle 2 is removed, realizing the separation of the two. The first connecting part 12 and the second connecting part 22 facilitate connection with clothing, and the arc-shaped baffle facilitates operation. The entire buckle structure is simple and easy to operate, requiring no complicated hand operations, improving the efficiency of connecting and separating clothing and other items, and has strong practicality and innovation.

[0048] Example 2

[0049] like Figure 5 As shown, the difference between this embodiment and the above embodiment is that: the first fastener 11 is provided with a first magnetic pole 114, and the second fastener 21 is provided with a second magnetic pole 214. The first magnetic pole 114 and the second magnetic pole 214 can abut and attract each other. Specifically, when the second fastener 21 extends into the receiving cavity 111, the limiting part 211 and the locking part 212 are provided in the first section 1121 of the moving hole 112. The attraction between the first magnetic pole 114 and the second magnetic pole 214 accelerates the contact between the limiting part 211 and the end of the first section 1121. Then, by rotating the second fastener 21, the steel ball 2122 can extend out of the fixing hole 113 and has a clear fastening feeling. Moreover, the fastening is more stable and not easy to separate. In this embodiment, the first magnetic pole 114 partially extends into the receiving cavity 111, and the second magnetic pole 214 partially extends out of the second fastener 21. The second fastener 21 located at the lower end of the second magnetic pole 214 can be provided with a shielding layer to prevent it from affecting the steel ball 2122. In other embodiments, the upper end face of the receiving cavity 111 may also abut against the upper end face of the second buckle 21. In this case, the first magnetic pole 114 may be flush with the bottom end face of the receiving cavity 111, and the second magnetic pole 214 may be flush with the upper surface of the second buckle 21.

[0050] The implementation principle of this embodiment is as follows: the attraction between the magnetic poles provides a certain guiding and pre-positioning function when the male buckle 2 is inserted into the female buckle 1, making it easier for the male buckle 2 to align with the receiving cavity 111 of the female buckle 1, and increasing the stability of the connection after snap-fit ​​fixing. This further improves the ease of use and connection stability of the buckle, enhancing the practicality and competitiveness of the product.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A type of anti-loosening buckle, characterized in that, include: The female buckle (1) includes a first buckle body (11), which is cylindrical and hollow inside to form a receiving cavity (111); The male buckle (2) includes a second buckle body (21), which is cylindrical and engages with the first buckle body (11). The second buckle body (21) can be inserted into the receiving cavity (111) and rotated to fix the female buckle (1) and the male buckle (2). The second buckle body (21) can also be rotated in the opposite direction and then extended out of the receiving cavity (111) to separate the female buckle (1) and the male buckle (2).

2. The anti-loosening buckle according to claim 1, characterized in that, The second buckle body (21) is provided with a limiting part (211), and the limiting part (211) is provided in two and protrudes from the outer surface of the second buckle body (21). The surface of the first buckle body (11) is provided with a moving hole (112), which is L-shaped. The limiting part (211) can extend into one end of the moving hole (112) and then rotate to abut the other end of the moving hole (112).

3. The anti-loosening buckle according to claim 2, characterized in that, The second buckle body (21) is provided with a snap-fit ​​part (212), which can extend and retract on the surface of the second buckle body (21). The snap-fit ​​part (212) is located on the side of the limiting part (211) away from the first buckle body (11). The surface of the first buckle body (11) is provided with a fixing hole (113). The limiting part (211) and the snap-fit ​​part (212) first extend into the moving hole (112) and then rotate to make the snap-fit ​​part (212) extend out from the fixing hole (113).

4. The anti-loosening buckle according to claim 3, characterized in that, The snap-fit ​​part (212) includes an elastic element (2121) and a steel ball (2122). One end of the elastic element (2121) is fixed and the other end is connected to the steel ball (2122). The steel ball (2122) can extend out of the fixing hole (113) and abut against the first buckle body (11).

5. The anti-loosening buckle according to claim 4, characterized in that, The second buckle body (21) has a through hole (213) inside, the snap-fit ​​part (212) is located in the through hole (213) and also includes a pin (2123), the pin (2123) is fixed to the second buckle body (21), and the steel ball (2122) and the pin (2123) are respectively located at both ends of the elastic member (2121).

6. The anti-loosening buckle according to claim 3, characterized in that, The first buckle body (11) is provided with a first magnetic pole (114), and the second buckle body (21) is provided with a second magnetic pole (214). The first magnetic pole (114) can abut and attract with the second magnetic pole (214).

7. The anti-loosening buckle according to claim 1, characterized in that, The female buckle (1) further includes a first connecting part (12), which is located at the end of the first buckle body (11) away from the second buckle body (21); the male buckle (2) further includes a second connecting part (22), which is located at the end of the second buckle body (21) away from the first buckle body (11), and the first connecting part (12) and the second connecting part (22) can be connected to clothing.

8. The anti-loosening buckle according to claim 7, characterized in that, The first connecting part (12) includes a first base plate (121) and a first baffle (122). The first base plate (121) is fixed to the first buckle (11). The first baffle (122) is located on the side of the first base plate (121) away from the first buckle (11) and is arc-shaped. The second connecting part (22) includes a second base plate (221) and a second baffle (222). The second base plate (221) is fixed to the second buckle (21). The second baffle (222) is located on the side of the second base plate (221) away from the second buckle (21) and is arc-shaped.

9. The anti-loosening buckle according to claim 8, characterized in that, The first connecting part (12) further includes a first buckle (123), which connects the two ends of the first baffle (122); the second connecting part (22) further includes a second buckle (223), which connects the two ends of the second baffle (222).

10. The anti-loosening buckle according to claim 1, characterized in that, The first buckle body (11) and the second buckle body (21) are made of plastic or metal alloy.

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