Anti-falling pin shaft of vehicle

Abstract

The utility model relates to the technical field of vehicle pin shafts, and discloses a vehicle anti-falling pin shaft which comprises a supporting plate and a shaft body which are installed on a vehicle, an installation hole is formed in the supporting plate, the shaft body is inserted into the installation hole, a lock pin used for locking the shaft body is installed at the end of the shaft body, and a fixing block is installed on the side, close to the supporting plate, of the lock pin. An annular groove is formed in the supporting plate, a through groove corresponding to the fixing block is formed in the supporting plate, the fixing block is movably connected with the annular groove in an inserted mode through the through groove, and a control assembly used for controlling the fixing block to be connected with the annular groove in an inserted mode is arranged on the side portion of the lock pin. By means of the automatic restoring force of the spring and the staggered design of the fixing blocks, it is guaranteed that the shaft body is not prone to disengagement when subjected to vibration or external force, the braking failure problem caused by pin disengagement of the pin shaft is effectively avoided, the shaft body mounting and dismounting process is simple and easy to operate through the design of the control assembly, and the maintenance and replacement time is shortened.

Description

Technical Field

[0001] This utility model relates to the field of vehicle pin technology, specifically a vehicle anti-detachment pin. Background Technology

[0002] Vehicle pins are common connecting components in automobiles and other mechanical equipment, primarily used to connect two parts and allow for a certain degree of rotational movement between them. Pins are typically made of metal, possessing high strength and wear resistance to ensure reliability during long-term use.

[0003] Pins are used to connect two parts, such as a shaft and hub, connecting rod and crankshaft, allowing for a certain degree of relative movement between them. During the connection process, pins transmit torque and force, ensuring the normal operation of the mechanical system. Pins are also used to position and fix parts, preventing relative movement. Because pins are subject to friction and wear in actual use, they are usually made of wear-resistant materials or undergo surface treatments (such as chrome plating, nitriding, etc.) to extend their service life.

[0004] However, most existing vehicle pins may come off during use due to vehicle vibration, which may weaken or even completely disable the braking effect and increase the risk of collision. Therefore, they do not meet the current requirements. To address this, we propose a vehicle anti-derailment pin. Utility Model Content

[0005] This utility model provides a vehicle anti-detachment pin shaft, which has the beneficial effect of preventing the shaft from easily detaching when subjected to vibration or external force. It solves the problem mentioned in the background art that most existing vehicle pin shafts may detach due to vehicle vibration during use, which may weaken the braking effect or even completely fail, increasing the risk of collision.

[0006] This utility model provides the following technical solution: a vehicle anti-detachment pin shaft, including a support plate and a shaft body installed on the vehicle. The support plate has an installation hole, and the shaft body is inserted into the installation hole. A locking pin for locking the shaft body is installed at the end of the shaft body. A fixing block is installed on the side of the locking pin near the support plate. An annular groove is provided on the support plate, and a through groove corresponding to the fixing block is provided on the support plate. The fixing block is movably inserted into the annular groove through the through groove. A control component for controlling the insertion of the fixing block into the annular groove is provided on the side of the locking pin.

[0007] As an optional solution for the vehicle anti-detachment pin shaft described in this utility model, the control component includes a control ring installed on the side of the locking pin, a control groove is provided in the control ring, a control plate is installed in the control groove, a fixing block is installed on the side of the control plate, a telescopic rod is installed in the control groove, and a spring is sleeved on the telescopic rod.

[0008] As an optional solution for the vehicle anti-detachment pin shaft described in this utility model, the through groove is used to connect with the annular groove, the telescopic rod is set as an elastic rod, and the control plate is set as an annular plate corresponding to the control ring.

[0009] As an optional solution for the vehicle anti-detachment pin shaft described in this utility model, one end of the spring is fixedly connected to the inner wall of the control groove, and the other end of the spring is in contact with the control plate.

[0010] As an optional solution for the vehicle anti-detachment pin shaft described in this utility model, a limit rod is installed in the control groove, a movable groove is opened on the control plate, the movable groove is set as an arc groove, and the limit rod is slidably inserted into the movable groove.

[0011] As an optional solution for the vehicle anti-detachment pin shaft described in this utility model, a limiting block is installed outside the limiting rod, and the diameter of the limiting block is larger than the diameter of the movable groove.

[0012] As an optional solution for the vehicle anti-detachment pin shaft described in this utility model, a first inclined block and a second inclined block are installed in the through groove, the first inclined block and the second inclined block are symmetrically arranged, and both the first inclined block and the second inclined block are rubber blocks.

[0013] This utility model has the following beneficial effects:

[0014] 1. The vehicle's anti-detachment pin shaft, through the automatic restoring force of the spring and the misalignment design of the fixing block, ensures that the shaft will not easily come off when subjected to vibration or external force, effectively avoiding the braking failure problem caused by the pin shaft coming off. The design of the control components makes the installation and disassembly process of the shaft simple and easy to operate, reducing maintenance and replacement time.

[0015] 2. The anti-detachment pin shaft of this vehicle, through the setting of the first and second inclined blocks, can not only reduce friction, but also absorb the impact force generated by vibration, further enhance the stability of the fixing block in the annular groove, and avoid the fixing block from loosening or misaligning due to vibration. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main three-dimensional structure of this utility model.

[0017] Figure 2 This is a cross-sectional view of the support plate structure of this utility model.

[0018] Figure 3 This is a schematic diagram of other cross-sectional structures of this utility model.

[0019] Figure 4This is a side view sectional structural diagram of the present invention.

[0020] Figure 5 This is a partial planar structural schematic diagram of the present invention.

[0021] In the diagram: 110, support plate; 111, shaft; 112, mounting hole; 113, locking pin; 114, fixing block; 115, annular groove; 116, through groove; 120, control assembly; 121, control ring; 122, control groove; 123, control plate; 124, telescopic rod; 125, spring; 126, limit rod; 127, movable groove; 128, limit block; 130, first inclined block; 131, second inclined block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1: This example aims to address the problem that in most existing vehicle axle systems, vibrations can cause the axle to detach, potentially weakening or even completely disabling braking, thus increasing the risk of a collision. Please refer to [link to relevant documentation]. Figures 1-5 A vehicle anti-detachment pin includes a support plate 110 and a shaft 111 mounted on the vehicle. The support plate 110 has a mounting hole 112, and the shaft 111 is inserted into the mounting hole 112. A locking pin 113 for locking the shaft 111 is installed at the end of the shaft 111. A fixing block 114 is installed on the side of the locking pin 113 near the support plate 110. An annular groove 115 is provided on the support plate 110. A through groove 116 corresponding to the fixing block 114 is provided on the support plate 110. The fixing block 114 is movably inserted into the annular groove 115 through the through groove 116. A control component 120 for controlling the insertion of the fixing block 114 into the annular groove 115 is provided on the side of the locking pin 113.

[0024] The control assembly 120 includes a control ring 121 mounted on the side of the locking pin 113. A control groove 122 is formed within the control ring 121, and a control plate 123 is installed within the control groove 122. A fixing block 114 is mounted on the side of the control plate 123. A telescopic rod 124 is mounted on the control groove 122, and a spring 125 is sleeved on the telescopic rod 124. A through groove 116 connects to the annular groove 115. The telescopic rod 124 is configured as an elastic rod, and the control plate 123 is configured as an annular plate corresponding to the control ring 121. One end of the spring 125 is fixedly connected to the inner wall of the control groove 122, and the other end of the spring 125 contacts the control plate 123.

[0025] A limit rod 126 is installed inside the control slot 122. A movable slot 127 is provided on the control plate 123. The movable slot 127 is set as an arc-shaped slot, and the limit rod 126 is slidably inserted into the movable slot 127. A limit block 128 is installed outside the limit rod 126. The diameter of the limit block 128 is larger than the diameter of the movable slot 127.

[0026] During installation, the shaft 111 is inserted into the mounting hole 112 of the support. The control plate 123 is rotated to align the fixing block 114 with the through groove 116. As the fixing block 114 is gradually inserted into the annular groove 115, the spring 125 deforms when the control plate 123 is rotated. Therefore, when the fixing block 114 is inserted into the annular groove 115, the control of the control plate 123 is released. Due to its automatic recovery ability, the spring 125 will cause the fixing block 114 to be misaligned with the through groove 116, so that the fixing block 114 is fixedly inserted into the annular groove 115. As the fixing block 114 is inserted into the annular groove 115, the control locking pin 113 fixes the shaft 111 in the support plate 110. When disassembling, rotate the control plate 123 in the opposite direction so that the fixing block 114 aligns with the through groove 116. Then press the control plate 123 into the control groove 122 so that the fixing block 114 disengages from the through groove 116. As the fixing block 114 disengages, the shaft 111 can be disengaged from the mounting hole 112.

[0027] In this embodiment, the automatic restoring force of the spring 125 and the misalignment design of the fixing block 114 ensure that the shaft 111 will not easily come off when subjected to vibration or external force, effectively avoiding the braking failure problem caused by the pin coming off. The design of the control component 120 makes the installation and disassembly process of the shaft 111 simple and easy to operate, reducing the time for maintenance and replacement.

[0028] Example 2 aims to address the potential risk of slight slippage or detachment of the fixing block 114. This example is an improvement upon Example 1. For details, please refer to [link / reference]. Figures 1-5 A first inclined block 130 and a second inclined block 131 are installed in the through groove 116. The first inclined block 130 and the second inclined block 131 are symmetrically arranged, and both the first inclined block 130 and the second inclined block 131 are made of rubber. The use of rubber blocks can increase the coefficient of friction between the fixing block 114 and the annular groove 115, prevent the fixing block 114 from sliding or detaching when subjected to external force or vibration, and further improve the anti-detachment effect.

[0029] In this embodiment, the arrangement of the first inclined block 130 and the second inclined block 131 not only reduces friction but also absorbs the impact force generated by vibration, further enhancing the stability of the fixing block 114 within the annular groove 115 and preventing the fixing block 114 from loosening or misaligning due to vibration. It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A vehicle anti-unhooking pin shaft, comprising a support plate (110) mounted on a vehicle and a shaft body (111), characterized in that: The support plate (110) is provided with a mounting hole (112), the shaft body (111) is inserted into the mounting hole (112), the shaft body (111) is provided with a locking pin (113) at the end for locking, the locking pin (113) is provided with a fixed block (114) near the side of the support plate (110), the support plate (110) is provided with a ring groove (115), the support plate (110) is provided with a through groove (116) corresponding to the fixed block (114), the fixed block (114) is movably inserted into the ring groove (115) through the through groove (116), and the locking pin (113) is provided with a control assembly (120) for controlling the insertion of the fixed block (114) and the ring groove (115).

2. A vehicle anti-retraction pin shaft as defined in claim 1, wherein: The control assembly (120) comprises a control ring (121) mounted on the side of the locking pin (113), a control groove (122) is formed in the control ring (121), a control plate (123) is mounted in the control groove (122), the fixed block (114) is mounted on the side of the control plate (123), a telescopic rod (124) is mounted in the control groove (122), and a spring (125) is arranged on the telescopic rod (124).

3. A vehicle anti-retraction pin shaft as defined in claim 2, wherein: The through groove (116) is used for communication with the ring groove (115), the telescopic rod (124) is arranged as an elastic rod, and the control plate (123) is arranged as an annular plate corresponding to the control ring (121).

4. The anti-ejection pin shaft of claim 2, wherein: One end of the spring (125) is fixedly connected with the inner wall of the control groove (122), and the other end of the spring (125) is in contact with the control plate (123).

5. A vehicle anti-retraction pin shaft as defined in claim 2, wherein: A limiting rod (126) is mounted in the control groove (122), and a movable groove (127) is formed in the control plate (123), wherein the movable groove (127) is arranged as an arc-shaped groove, and the limiting rod (126) is slidably inserted into the movable groove (127).

6. A vehicle anti-retraction pin shaft as defined in claim 5, wherein: The limiting rod (126) is provided with a limiting block (128) outside, and the diameter of the limiting block (128) is greater than that of the movable groove (127).

7. The anti-ejection pin shaft of claim 1, wherein: The through groove (116) is provided with a first inclined block (130) and a second inclined block (131), the first inclined block (130) and the second inclined block (131) are symmetrically arranged, and the first inclined block (130) and the second inclined block (131) are arranged as rubber blocks.

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