A leg connecting structure

Abstract

The utility model relates to motorcycle processing technical field especially relates to a foot support connecting structure. Its including fixed base, connecting shaft, foot support body and positioning assembly are equipped with connecting groove on the fixed base, one end of foot support body enters the connecting groove and is rotatedly connected with the fixed base through the connecting shaft, the positioning assembly includes installation groove, ball, first elastic member and two positioning grooves, two positioning grooves are spaced apart and set up on the inner side wall of connecting groove along the circumferential direction of connecting shaft, two positioning grooves correspond to the stowed position and support position of foot support body respectively, the ball can be clamped into any positioning groove under the action of first elastic member to realize the positioning. Through the first elastic member to the ball continuously exert pressure, make it firmly clamped in the positioning groove, form self -locking, enhance the retaining force of foot support in the stowed position and support position, prevent accidental displacement due to vibration, jolt.

Description

Technical Field

[0001] This utility model relates to the field of motorcycle manufacturing technology, and in particular to a kickstand connection structure. Background Technology

[0002] Motorcycle kickstands are an important component of motorcycles, used to support the vehicle and maintain stability when parked. Existing motorcycle kickstand connection structures typically use simple hinges with spring return mechanisms to achieve kickstand extension and retraction. However, traditional kickstand connection structures lack precision in positioning between the extended and extended states, making them prone to accidental displacement due to road bumps or vibrations, thus affecting riding safety. Utility Model Content

[0003] The technical problem to be solved by this utility model is to solve at least one of the technical problems mentioned above.

[0004] The solution to the technical problem of this utility model is: a tripod connection structure, which includes a fixed base, a connecting shaft, a tripod body, and a positioning component. The fixed base is used for fixed installation on a motorcycle frame and has a connecting groove. One end of the tripod body extends into the connecting groove and is rotatably connected to the fixed base through the connecting shaft. The positioning component is disposed between the connecting groove and the tripod body for rotating, positioning, and locking the tripod body. The positioning component includes a mounting groove, a ball bearing, a first elastic element, and two positioning grooves. The mounting groove is disposed on the side wall of the end of the tripod body that extends into the connecting groove and is open. The opening faces the inner wall of the connecting groove. The ball is movably disposed in the mounting groove. The first elastic member is disposed in the mounting groove. One end of the first elastic member abuts against the bottom of the mounting groove, and the other end of the first elastic member abuts against the ball. The first elastic member has a tendency to push the ball towards the inner wall of the connecting groove. Two positioning grooves are spaced apart on the inner wall of the connecting groove along the circumferential direction of the connecting shaft. The two positioning grooves correspond to the retracted position and the supported position of the leg body, respectively. Under the action of the first elastic member, the ball can be inserted into either of the positioning grooves to achieve positioning.

[0005] As a further improvement to the above technical solution, the positioning component also includes a sliding groove, which is disposed on the inner sidewall of the connecting groove. The two ends of the sliding groove are respectively connected to the two positioning grooves, and the depth of the sliding groove is less than the depth of the positioning groove.

[0006] As a further improvement to the above technical solution, a guide slope is formed at the connection between the positioning groove and the sliding groove.

[0007] As a further improvement to the above technical solution, the positioning groove is a spherical groove, and its radius of curvature matches the radius of the ball.

[0008] As a further improvement to the above technical solution, the central angle formed by the line connecting the center of the two positioning grooves and the center of the connecting shaft is 85° to 95°.

[0009] As a further improvement to the above technical solution, it also includes two gaskets, which are sleeved on the connecting shaft and located on both sides of the leg body and between the inner sidewall of the connecting groove.

[0010] As a further improvement to the above technical solution, the gasket and the fixing seat are integrally formed by a stamping process.

[0011] As a further improvement to the above technical solution, the fixed base is provided with a limiting part, and the leg body is provided with a protrusion that cooperates with the limiting part. When the leg body is rotated to the support position, the protrusion abuts against the limiting part.

[0012] As a further improvement to the above technical solution, a second elastic element is also included, one end of which is connected to the fixed base, and the other end of which is connected to the leg body.

[0013] As a further improvement to the above technical solution, the first elastic element is a first spring, and the second elastic element is a second spring.

[0014] The beneficial effects of this utility model are as follows: the connecting shaft connects the fixed base and the kickstand body, allowing the kickstand body to rotate relative to the fixed base, thus achieving the retraction and extension actions; the kickstand body directly contacts the ground to support the motorcycle body; the ball bearings are movably placed in the mounting groove, and under the push of the first elastic element, they can cooperate with the positioning groove on the inner side wall of the connecting groove to achieve positioning of the kickstand body in the retracted and supported positions. The first elastic element continuously applies pressure to the ball bearings, firmly locking them in the positioning groove, forming a mechanical self-locking mechanism, enhancing the holding force of the kickstand in the retracted and supported positions, and preventing accidental displacement due to vibration or bumps; the positioning component is integrated inside the connecting groove, without occupying additional space, resulting in a clever and compact structure. Compared with pure friction or spring tension structures, the mechanical positioning method is more wear-resistant and has a longer service life. Attached Figure Description

[0015] Figure 1 This is an exploded view of one embodiment of the present invention; Figure 2 This is a cross-sectional view of one embodiment of the present invention; Figure 3 This is a structural schematic diagram of one embodiment of the present invention.

[0016] Reference numerals in the attached drawings: 100-fixed base, 110-shield, 120-limiting part, 130-connecting groove, 200-connecting shaft, 300-leg body, 310-protrusion, 400-mounting groove, 410-ball bearing, 420-first elastic element, 430-positioning groove, 440-slide groove, 450-guide slope, 500-second elastic element. Detailed Implementation

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments have been briefly explained above. Obviously, the described drawings are only a part of the embodiments of this utility model, not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.

[0018] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages mentioned herein do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this utility model can be combined interactively without contradicting each other.

[0019] Motorcycle kickstands are an important component of motorcycles, used to support the vehicle and maintain stability when parked. Existing motorcycle kickstand connection structures typically use simple hinges with spring return mechanisms to achieve kickstand extension and retraction. However, traditional kickstand connection structures lack precision in positioning between the extended and extended states, making them prone to accidental displacement due to road bumps or vibrations, thus affecting riding safety.

[0020] Therefore, this utility model proposes a tripod connection structure, referring to... Figures 1-3It includes a fixed base 100, a connecting shaft 200, a kickstand body 300, and a positioning assembly. The fixed base 100 is used to fix it on a motorcycle frame. The fixed base 100 is provided with a connecting groove 130. One end of the kickstand body 300 extends into the connecting groove 130 and is rotatably connected to the fixed base 100 through the connecting shaft 200. The positioning assembly is disposed between the connecting groove 130 and the kickstand body 300, and is used to rotate, position, and lock the kickstand body 300. The positioning assembly includes a mounting groove 400, a ball bearing 410, a first elastic element 420, and two positioning grooves 430. The mounting groove 400 is disposed on the side wall of the end of the kickstand body 300 that extends into the connecting groove 130, and its opening faces the inside of the connecting groove 130. The ball bearing 410 is movably disposed within the mounting groove 400. The first elastic element 420 is disposed within the mounting groove 400. One end of the first elastic element 420 abuts against the bottom of the mounting groove 400, and the other end of the first elastic element 420 abuts against the ball bearing 410. The first elastic element 420 has a tendency to push the ball bearing 410 towards the inner wall of the connecting groove 130. Two positioning grooves 430 are spaced apart along the circumferential direction of the connecting shaft 200 on the inner wall of the connecting groove 130. The two positioning grooves 430 correspond to the retracted position and the supported position of the leg body 300, respectively. Under the action of the first elastic element 420, the ball bearing 410 can be inserted into either of the positioning grooves 430 to achieve positioning.

[0021] The connecting shaft 200 connects the fixed base 100 and the kickstand body 300, allowing the kickstand body 300 to rotate relative to the fixed base 100 for retraction and extension. The kickstand body 300 directly contacts the ground to support the motorcycle body. A ball bearing 410 is movably placed within the mounting groove 400. Under the push of the first elastic element 420, it engages with the positioning groove 430 on the inner wall of the connecting groove 130, positioning the kickstand body 300 in the retracted and supported positions. Continuous pressure is applied to the ball bearing 410 by the first elastic element 420, firmly locking it in the positioning groove 430, forming a mechanical self-locking mechanism. This enhances the kickstand's holding force in the retracted and supported positions, preventing accidental displacement due to vibration or bumps. The positioning component is integrated inside the connecting groove 130, occupying no additional space, resulting in a clever and compact structure. Compared to pure friction or spring-loaded structures, this mechanical positioning method is more wear-resistant and has a longer service life.

[0022] During the rotation of the tripod body 300, the first elastic element 420 always exerts a pushing force on the ball bearing 410 towards the inner wall of the connecting groove 130, causing the ball bearing 410 to roll along the inner wall of the connecting groove 130. When the tripod body 300 rotates to the retracted position or the supported position, the ball bearing 410 rolls to the corresponding positioning groove 430. Under the pushing force of the first elastic element 420, the ball bearing 410 will be engaged in the positioning groove 430, thus fixing the tripod body 300 in the corresponding position, restricting its free rotation, and achieving precise positioning and locking.

[0023] When the tripod body 300 rotates between two positioning positions, the ball bearing 410 may not roll smoothly, causing the tripod body 300 to jam. Therefore, in one embodiment, the positioning component further includes a groove 440, which is disposed on the inner sidewall of the connecting groove 130. The two ends of the groove 440 are respectively connected to the two positioning grooves 430, and the depth of the groove 440 is less than the depth of the positioning grooves 430. During the rolling of the ball bearing 410, the ball bearing 410 compresses the first elastic element 420 and rolls along the groove 440, facilitating the position switching action. This makes the position switching of the tripod body 300 smoother and more stable, further improving the convenience and reliability of the entire tripod structure and preventing accidental displacement.

[0024] When the ball bearing 410 rolls from the slide groove 440 to the positioning groove 430 or vice versa, it is prone to jamming or even failing to accurately enter or disengage from the corresponding position. Therefore, in one embodiment, a guide slope 450 is formed at the connection between the positioning groove 430 and the slide groove 440. The guide slope 450 guides the ball bearing 410 to slide into or out of the positioning groove 430, reducing the critical force required for the ball bearing 410 to jam into or disengage from the positioning groove 430, and helping the ball bearing 410 to accurately enter the positioning groove 430 at a suitable angle and slope to achieve positioning, making the rotation operation of the tripod more effortless and smooth.

[0025] When encountering bumpy or vibrating road surfaces, the ball bearing 410 may dislodge from the positioning groove 430, causing the tripod body 300 to shift unexpectedly. Therefore, in one embodiment, the positioning groove 430 is a spherical groove with a radius of curvature matching the radius of the ball bearing 410. Setting the positioning groove 430 as a spherical groove and matching its radius of curvature to the radius of the ball bearing 410 allows for a better fit between the ball bearing 410 and the positioning groove 430. Once the ball bearing 410 is engaged in the positioning groove 430, it is more securely positioned, enhancing the locking effect of the tripod body 300 in both the folded and supported positions.

[0026] Insufficient rotation angle of the kickstand body 300 during retraction or extension may prevent the kickstand from fully extending to the support position, affecting the normal parking of the motorcycle. Therefore, in one embodiment, the central angle formed by the line connecting the centers of the two positioning grooves 430 and the center of the connecting shaft 200 is 85° to 95°. Limiting the central angle formed by the line connecting the centers of the two positioning grooves 430 and the center of the connecting shaft 200 to 85° ensures that the rotation angle of the kickstand body 300 matches the actual parking and driving needs of the motorcycle when switching between the retracted and supported positions, ensuring the accuracy and stability of positioning, and avoiding inconvenience in kickstand retraction or poor positioning due to unreasonable angles, thereby affecting the normal use of the motorcycle and driving safety.

[0027] The axial gap between the tripod body 300 and the inner wall of the connecting groove 130 may cause significant axial movement of the tripod body 300, severely affecting its rotational stability and causing positioning deviations. Therefore, in one embodiment, two shims 110 are included. These two shims 110 are sleeved on the connecting shaft 200, and are located on opposite sides of the tripod body 300 between them and the inner wall of the connecting groove 130. The shims 110 fill the gap between the tripod body 300 and the inner wall of the connecting groove 130 in the axial direction, making the tripod body 300 more stable in the axial position, preventing unnecessary displacement due to the gap, effectively suppressing axial movement of the tripod body 300; reducing axial movement of the tripod body 300 and unreasonable friction with surrounding components, reducing wear caused by friction and collision between components, and extending the service life of the entire tripod connection structure.

[0028] During assembly, issues such as inaccurate positioning of the shim 110 and loose connections can easily occur, leading to increased axial movement and unstable rotation of the stand body 300. Therefore, in one embodiment, the shim 110 and the fixing base 100 are integrally formed using a stamping process. This eliminates the need for additional assembly operations between the shim 110 and the fixing base 100, improving production efficiency. The integrally formed structure ensures a tighter and more stable connection between the shim 110 and the fixing base 100, eliminating weak points that may occur in traditional assembly methods, thus enhancing the overall structural strength.

[0029] When encountering external interference, the tripod body 300 may displace beyond its normal support range, failing to maintain a stable optimal support position. Therefore, in one embodiment, the fixed base 100 is provided with a limiting part 120, and the tripod body 300 is provided with a protrusion 310 that cooperates with the limiting part 120. When the tripod body 300 rotates to the support position, the protrusion 310 abuts against the limiting part 120. When the tripod body 300 rotates to the support position, the protrusion 310 abuts against the limiting part 120, thus limiting the position of the tripod body 300 and preventing safety hazards such as tilting or tipping due to inaccurate tripod positioning, ensuring vehicle parking safety. It also adds an extra layer of stability to the tripod in its supported state, limiting excessive displacement of the tripod body 300, maintaining the support effect of the tripod, and reducing the possibility of accidental movement of the tripod in the support position.

[0030] When retracting the tripod, external force is required to overcome its own weight, component friction, and the resistance of the positioning components. This operation is laborious and may result in incomplete retraction or inaccurate positioning due to insufficient force. Therefore, in one embodiment, a second elastic element 500 is also included. One end of the second elastic element 500 is connected to the fixed base 100, and the other end is connected to the tripod body 300. When the tripod body 300 is in the supported state, the second elastic element 500 is stretched and stores elastic potential energy. When retracting the tripod, the elastic element contracts and releases potential energy, generating a pulling force to actively pull the tripod body 300 back, reducing the force required to retract the tripod and making the operation more effortless and convenient. During the process of retracting the tripod to the retracted position, the pulling force of the second elastic element 500 can assist the positioning components such as the ball bearing 410 to more accurately engage with the corresponding positioning groove 430, enhancing the positioning stability in the retracted state and reducing positioning deviations caused by insufficient operating force.

[0031] In one embodiment, the first elastic element 420 is a first spring, and the second elastic element 500 is a second spring. The first spring can continuously provide a stable thrust to the ball bearing 410, ensuring its precise engagement with the positioning groove 430; the second spring can stably realize the process of stretching and storing energy and contracting and releasing energy, ensuring the consistency of the kickstand's extension and retraction auxiliary force; by selecting springs of different specifications, the thrust of the first spring and the tension of the second spring can be flexibly adjusted to adapt to the needs of motorcycle kickstands of different weights and models, enhancing the versatility of the structure.

[0032] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A tripod connection structure, characterized in that, The device includes a fixed base, a connecting shaft, a kickstand body, and a positioning assembly. The fixed base is used for fixed mounting on a motorcycle frame and has a connecting groove. One end of the kickstand body extends into the connecting groove and is rotatably connected to the fixed base via the connecting shaft. The positioning assembly is disposed between the connecting groove and the kickstand body for rotating, positioning, and locking the kickstand body. The positioning assembly includes a mounting groove, a ball bearing, a first elastic element, and two positioning recesses. The mounting groove is located on the side wall of the end of the kickstand body that extends into the connecting groove and its opening faces the inner side wall of the connecting groove. The ball bearing is movably disposed within the mounting groove. The first elastic element is disposed within the mounting groove. One end of the first elastic element abuts against the bottom of the mounting groove, and the other end of the first elastic element abuts against the ball bearing. The first elastic element has a tendency to push the ball bearing against the inner wall of the connecting groove. Two positioning grooves are spaced apart on the inner wall of the connecting groove along the circumferential direction of the connecting shaft. The two positioning grooves correspond to the retracted position and the supported position of the leg body, respectively. Under the action of the first elastic element, the ball bearing can be inserted into either of the positioning grooves to achieve positioning.

2. The tripod connection structure according to claim 1, characterized in that, The positioning component further includes a sliding groove, which is disposed on the inner sidewall of the connecting groove. The two ends of the sliding groove are respectively connected to the two positioning grooves, and the depth of the sliding groove is less than the depth of the positioning grooves.

3. The tripod connection structure according to claim 2, characterized in that, A guide slope is formed at the connection between the positioning groove and the slide.

4. The tripod connection structure according to claim 1, characterized in that, The positioning groove is a spherical groove, and its radius of curvature matches the radius of the ball.

5. The tripod connection structure according to claim 1, characterized in that, The central angle formed by the line connecting the center of the two positioning grooves and the center of the connecting shaft is 85° to 95°.

6. The tripod connection structure according to claim 1, characterized in that, It also includes two gaskets, which are sleeved on the connecting shaft and are located on both sides of the leg body and between the inner sidewall of the connecting groove.

7. The tripod connection structure according to claim 6, characterized in that, The gasket and the fixing seat are integrally formed by a stamping process.

8. The tripod connection structure according to claim 1, characterized in that, The fixed base is provided with a limiting part, and the leg body is provided with a protrusion that cooperates with the limiting part. When the leg body is rotated to the support position, the protrusion abuts against the limiting part.

9. The tripod connection structure according to claim 1, characterized in that, It also includes a second elastic element, one end of which is connected to the fixed base, and the other end of which is connected to the leg body.

10. A tripod connection structure according to claim 9, characterized in that, The first elastic element is a first spring, and the second elastic element is a second spring.

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