position adjustment mechanism

Abstract

A position adjusting mechanism (100) is arranged in a vehicle, comprising: a first adjusting device (10) which is movable in an extension and retraction manner along a first direction; and an angle adjusting device (20) which is connected to the first adjusting device (10) and rotatably connected with the first adjusting device (10). By arranging the first adjusting device (10), the space position of the position adjusting mechanism (100) in the first direction is realized, and by arranging the angle adjusting device (20), the adjustment of the installation angle of a to-be-installed part (40) on the position adjusting mechanism (100) is realized. The structure can adjust the position occupied by the to-be-installed part (40) in the vehicle to adapt to the installation of equipment of different specifications of vehicle models, while ensuring a reasonable installation angle between the installed equipment and the vehicle, improving the accuracy of the equipment installation position, and expanding the application range.

Description

Technical Field

[0001] This application relates to the field of equipment installation technology, and in particular to a position adjustment mechanism. Background Technology

[0002] As people's living standards improve, the safety and ease of operation of transportation vehicles are receiving increasing attention. For example, during vehicle operation, GPS positioning and navigation devices provide positioning and navigation functions, while automatic parking systems automatically stop the vehicle after braking, ensuring vehicle safety.

[0003] Currently, many vehicles come equipped with certain auxiliary devices at the factory, but some vehicles do not. Therefore, these devices need to be installed later. Different vehicle models have different interior space dimensions, so a device needs to be designed to adapt to different vehicle sizes, improving the efficiency of device installation and its applicability. Summary of the Invention

[0004] In view of the above problems, this application provides a position adjustment mechanism that can adapt to different vehicle models, improve the efficiency of equipment installation, and expand the applicability of the equipment.

[0005] This application provides a position adjustment mechanism, disposed in a vehicle, the position adjustment mechanism comprising:

[0006] The first adjustment device is movable and retractable along a first direction;

[0007] An angle adjustment device is connected to the first adjustment device and is rotatably connected to the first adjustment device.

[0008] In the technical solution of this application embodiment, a first adjustment device is provided to realize the spatial position occupied by the position adjustment mechanism in a first direction, and an angle adjustment device is provided to adjust the installation angle of the component to be installed on the position adjustment mechanism. The above structure can adjust the installation position of the component to be installed in the vehicle to adapt to the installation of equipment in different vehicle models, while ensuring a reasonable installation angle between the installation equipment and the vehicle, improving the accuracy of the equipment installation position, and expanding the applicability of the installation.

[0009] In some embodiments, the position adjustment mechanism further includes a second adjustment device configured to be movable along a second direction, which intersects with the first direction. By providing the second adjustment device, the space occupied by the position adjustment mechanism in the second direction can be adjusted, further expanding the applicability of the position adjustment mechanism.

[0010] In some embodiments, the first adjusting device includes two support rods arranged opposite each other and a crossbar disposed between the two support rods, the distance between the two support rods being adjustable. By setting two support rods and adjusting the position between the two support rods, the space occupied by the two support rods can be adjusted. The crossbar enhances the stability of the entire structure and provides a stable installation position for the component to be installed.

[0011] In some embodiments, the first adjusting device further includes:

[0012] Base;

[0013] A sliding device includes at least one sliding part, which is slidably connected to a base;

[0014] The two support rods are a first support rod and a second support rod, with the first support rod located in the sliding part.

[0015] In the above structure, the stability of the first adjustment device can be improved by setting a base, and the sliding device can realize the sliding of the support rod to adapt to the interior space of vehicles with different widths.

[0016] In some embodiments, the sliding device further includes a fixing part fixedly connected to the base, and a second support rod is disposed on the fixing part.

[0017] In the above technical solution, one end of the sliding device is fixed by setting a fixing part, and the second support rod is set in the fixing part to improve the stability of the installation.

[0018] In some embodiments, the fixing part includes two fixing blocks disposed opposite each other on the base, and a second support rod is disposed between the two fixing blocks and connected to the two fixing blocks.

[0019] By setting a fixing block to fix the position of the second support rod, and placing the second support rod between the two fixing blocks, the range of motion of the second support rod can be limited, thereby improving the stability of the installation of the second support rod.

[0020] In some embodiments, the base is provided with a slide rail extending from the first support rod toward the second support rod, and the sliding part includes a sliding block with a groove matching the slide rail, and the sliding block can move along the slide rail.

[0021] In the above technical solution, the speed at which the first support rod moves relative to the second support rod is increased by setting a slide rail, and the stability of the first support rod during movement is enhanced.

[0022] In some embodiments, a through-groove groove is provided on the crossbar, the length of which extends along the axial direction of the crossbar, and the end of the first support rod passes through the groove and is slidably connected to the crossbar. In the above technical solution, by providing the groove, the friction of the first support rod sliding relative to the crossbar is reduced, thereby improving the convenience and efficiency of adjusting the position of the first support rod.

[0023] In some embodiments, the second adjusting device includes a telescopic device disposed between the crossbar and the support rod. By providing the telescopic device, dimensional adjustment of the position adjusting structure in a second direction is achieved.

[0024] The above-mentioned technical solution adjusts the distance between the crossbar and the base by setting a first telescopic rod and a second telescopic rod. The structure is simple and easy to operate, while ensuring the stability of the parts to be installed on the crossbar.

[0025] In some embodiments, the angle adjustment device includes a first rotating shaft and a second rotating shaft. The first support rod and the sliding block are rotatably connected via the first rotating shaft, and the second support rod and the fixed block are rotatably connected via the second rotating shaft. By setting the first rotating shaft and the second rotating shaft, the first support rod and the second support rod are rotated relative to the base at a certain angle, thereby adjusting the angle of the installation position of the component to be installed.

[0026] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0027] The features, advantages, and technical effects of exemplary embodiments of this application will now be described with reference to the accompanying drawings.

[0028] Figure 1 This is a schematic diagram of the position adjustment mechanism in some embodiments of this application;

[0029] Figure 2 This is a schematic diagram showing the connection between the position adjustment mechanism and the brake support rod in some embodiments of this application;

[0030] Figure 3 This is a front view of the position adjustment mechanism of some embodiments of this application;

[0031] Figure 4 This is a top view of the position adjustment mechanism of some embodiments of this application;

[0032] Figure 5 This is a left view of the position adjustment mechanism of some embodiments of this application.

[0033] Detailed Explanation of Reference Numerals

[0034] 100. Position adjustment mechanism; X, first direction; Y, second direction;

[0035] 10. First adjusting device; 101. Support rod; 102. Crossbar; 103. Base; 104. Sliding device; 105. Sliding part; 106. First support rod; 107. Second support rod; 108. Fixing part; 109. Fixing block; 110. Slide rail; 111. Sliding block; 112. Connecting rod; 113. Rotating handle; 114. Moving groove;

[0036] 20. Angle adjustment device; 201. First rotating shaft; 202. Second rotating shaft;

[0037] 30. Second adjusting device; 301. Telescopic device; 302. First telescopic rod; 303. Second telescopic rod;

[0038] 40. Components to be installed; 50. Brake support rod. Detailed Implementation

[0039] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0041] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0042] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0043] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0044] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0045] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0046] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0047] With the development of transportation, people have increasingly higher requirements for the intelligence of vehicles. Therefore, many vehicles are equipped with various devices to assist driving and make the ride smoother. For example, some vehicles have automatic braking control systems that can recognize road conditions, determine driving status, and control the vehicle to decelerate or stop in a timely manner under preset conditions, improving driving safety.

[0048] However, some vehicles are still not equipped with the aforementioned devices when they leave the factory. Furthermore, the different interior dimensions of various vehicles place high demands on the applicability of the installation components.

[0049] Based on the above considerations, in order to improve the applicability of the parts to be installed and enhance the safety of vehicle operation, the inventors have designed a position adjustment mechanism, which includes a first adjustment device configured to be movable along a first direction; and an angle adjustment device connected to the first adjustment device and configured to be rotatable. The position adjustment mechanism can adapt to different vehicle models, improve the efficiency of equipment installation, and expand the applicability of the equipment.

[0050] The position adjustment mechanism disclosed in this application can be used in vehicles, ships, or aircraft, and can be used in any transportation vehicle that needs to automatically decelerate or stop. These are not listed here.

[0051] Please refer to Figures 1 to 5 , Figure 1 This is a schematic diagram of the structure of the position adjustment mechanism 100 in some embodiments of this application; Figure 2 This is a schematic diagram of the connection between the position adjustment mechanism 100 and the brake support rod 50 in some embodiments of this application; Figure 3 This is a front view of the position adjustment mechanism 100 according to some embodiments of this application; Figure 4 This is a top view of the position adjustment mechanism 100 according to some embodiments of this application; Figure 5 This is a left view of a position adjustment mechanism 100 according to some embodiments of this application.

[0052] like Figure 1 As shown, an embodiment of this application provides a position adjustment mechanism 100 for adjusting the position of a component 40 to be installed in a vehicle. The position adjustment mechanism 100 includes a first adjustment device 10 and an angle adjustment device 20. The first adjustment device 10 is movable and telescopic along a first direction X; the angle adjustment device 20 is connected to the first adjustment device 10 and rotatably connected to the first adjustment device 10.

[0053] In the above embodiments, the component to be installed 40 is various auxiliary devices used to improve driving safety and control efficiency. For example, the component to be installed 40 can be a monitoring device configured to monitor the internal state of the vehicle and obtain internal vehicle information from the internal state. The component to be installed 40 can also be a sensing device used to sense various information during vehicle operation, including vehicle speed, acceleration, and position. The component to be installed 40 can also be a device for assisting in controlling vehicle operation, such as a braking control device connected to the vehicle's brakes to improve vehicle driving safety.

[0054] The first adjustment device 10 can adjust the space occupied by the position adjustment mechanism 100 in the first direction X. The dimensions of spaces vary throughout the vehicle; for example, vehicle sensors are typically located at the front, and monitoring devices are usually installed near the starter or wheel hubs. Braking control devices are installed in the driver's seat. Therefore, the overall space occupied by the position adjustment mechanism 100 needs to be considered. Furthermore, to improve the stability of the position adjustment mechanism 100 installation, its position and length in the first direction need to be appropriately set.

[0055] For example, such as Figure 2 As shown, the component to be installed 40 is connected to the vehicle's brake support rod 50. Rotation of the component to be installed 40 controls the downward movement of the brake support rod 50. Depressing the brake support rod 50 controls the vehicle's deceleration or stopping. Different vehicles have different seating space dimensions; therefore, the component to be installed 40 can be placed on the position adjustment mechanism 100, and the space occupied by the first adjustment device in the first direction X can be adjusted to improve the adaptability of the component to be installed 40 to different vehicles while ensuring the installation stability of the component to be installed 40.

[0056] Furthermore, the angle adjustment device 20 can adjust the installation angle of the component 40 to be installed. Different installation angles can achieve different functions. For example, some monitoring devices require the probe to be aligned with the position to be measured, which requires a specific installation angle. Therefore, by setting the monitoring device on the position adjustment mechanism 100, and the position adjustment mechanism 100 adjusting the installation angle of the component 40 to be installed, the installation accuracy of the component 40 to be installed can be improved, and the accuracy of the monitoring results can be improved.

[0057] In the technical solution of this application embodiment, by setting a first adjustment device 10, the spatial position occupied by the position adjustment mechanism 100 in the first direction X is realized, and by setting an angle adjustment device 20, the installation angle of the component 40 to be installed on the position adjustment mechanism 100 is adjusted. The above structure can adjust the installation position of the component 40 to adapt to the installation of equipment of different vehicle models, while ensuring a reasonable installation angle between the installation equipment and the vehicle, improving the accuracy of the equipment installation position, and expanding the applicability of the position adjustment mechanism 100.

[0058] In embodiments of this application, the position adjustment mechanism 100 further includes a second adjustment device 30, which is configured to be movable along a second direction Y, the second direction Y intersecting the first direction X.

[0059] In the above embodiments, by providing the second adjustment device 30, the space occupied by the position adjustment mechanism 100 in the second direction Y is adjusted, further expanding the applicability of the position adjustment mechanism 100.

[0060] In the embodiments of this application, the first direction X and the second direction Y are perpendicular to each other. When the first direction X is perpendicular to the second direction Y, the space occupied by the position adjustment mechanism 100 can be adjusted to a reasonable range with minimal adjustments. For example, the first direction X can be horizontal, and the second direction Y can be vertical. The first adjustment device adjusts the horizontal occupancy of the position adjustment mechanism 100, and the second adjustment device adjusts the vertical occupancy of the position adjustment mechanism 100. The above structure requires at most two adjustments to adjust the space occupied by the position adjustment mechanism 100 to match the installation space. By setting the first direction X to be perpendicular to the second direction Y, the adjustment efficiency of the first adjustment device 10 and the second adjustment device 30 is improved.

[0061] In the embodiments of this application, such as Figure 3 As shown, the first adjusting device 10 includes two support rods 101 arranged opposite each other and a crossbar 102 disposed between the two support rods 101. The crossbar 102 is used to install the part 40 to be installed, and the distance between the two support rods 101 is adjustable. By setting two support rods 101 and adjusting the position between the two support rods 101, the space occupied by the two support rods 101 can be adjusted. The crossbar 102 enhances the stability of the entire structure and provides a stable installation position for the part 40 to be installed.

[0062] In embodiments of this application, the first adjusting device 10 further includes a base 103 and a sliding device 104. The sliding device 104 includes at least one sliding part 105, which is slidably connected to the base 103; wherein, the two support rods 101 are a first support rod 106 and a second support rod 107, respectively, and the first support rod 106 is disposed on the sliding part 105.

[0063] In the above structure, the stability of the first adjustment device 10 can be improved by setting the base 103, and the sliding device 104 can realize the sliding of the support rod 101 to adapt to the interior space of vehicles with different widths.

[0064] In some optional embodiments, the sliding device 104 further includes a second sliding portion 105 (not shown in the figure), which is slidably connected to the base 103, and a second support rod 107 is disposed on the second sliding portion 105. In the above structure, the provision of the second sliding portion 105 enables the movement of the second support rod 107, thereby improving the convenience of adjustment of the first adjusting device 10.

[0065] In embodiments of this application, the sliding device 104 further includes a fixing part 108 fixedly connected to the base 103, and a second support rod 107 is disposed on the fixing part 108. In the above technical solution, one end of the sliding device 104 is fixed by setting the fixing part 108, and the second support rod 107 is disposed on the fixing part 108 to improve the stability of the installation. In embodiments of this application, the fixing part 108 includes two fixing blocks 109 disposed opposite to each other on the base 103, and the second support rod 107 is disposed between the two fixing blocks 109 and connected to the two fixing blocks 109. Specifically, the fixing block 109 can be a plate-shaped structure, and the fixing block 109 has a mounting part with a large cross-sectional area. The mounting part is connected to the base 103, thus improving the stability of the installation of the fixing block 109. The fixing block 109 also has a connecting part with a small cross-sectional area, which is connected to the second support rod 107, thereby reducing the restriction on the range of motion of the second support rod 107. The two fixing blocks 109 can be configured to have the same structure and be arranged parallel to each other.

[0066] The position of the second support rod 107 is fixed by setting the fixing block 109. At the same time, the second support rod 107 is positioned between the two fixing blocks 109, which can limit the range of motion of the second support rod 107 and improve the stability of the installation of the second support rod 107.

[0067] In the embodiments of this application, such as Figure 3 as well as Figure 4 As shown, the base 103 is provided with a slide rail 110 extending from the first support rod 106 toward the second support rod 107. The sliding part 105 includes a sliding block 111, which has a groove that matches the slide rail 110. The sliding block 111 can move along the slide rail 110. The sliding part 105 is used to connect the first support rod 106, and the slide rail 110 can guide the movement trajectory of the first support rod 106.

[0068] In the above technical solution, the speed at which the first support rod 106 moves relative to the second support rod 107 is increased by setting the slide rail 110, and the stability of the first support rod 106 during movement is enhanced.

[0069] In the embodiments of this application, there are two slide rails 110, which are arranged parallel to each other on the base 103. By setting two parallel slide rails 110, the sliding trajectory of the slider 111 is effectively controlled, and the accuracy of position adjustment is improved.

[0070] In the embodiments of this application, a connecting rod 112 is provided between the fixed part 108 and the sliding part 105. One end of the connecting rod 112 connected to the sliding block 111 is provided with an external thread, and the sliding block 111 is threadedly connected to the connecting rod 112. In the above embodiments, by setting the connecting rod 112, the distance and speed of the movement of the second support rod 107 are controlled, thereby improving the accuracy of the position adjustment of the second support rod 107.

[0071] In the embodiments of this application, a rotating handle 113 is connected to the end of the connecting rod 112 away from the sliding block 111. By providing the rotating handle 113, it is easier to operate the rotation of the connecting rod 112 more effectively and precisely, thereby effectively improving the efficiency of the movement of the first support rod 106.

[0072] In some alternative embodiments, a pull rod (not shown) is further provided between the fixed part 108 and the sliding part 105. One end of the pull rod is connected to the sliding part 105, and the other end of the pull rod passes through the fixed part 108 and is slidably connected to the fixed part 108. By applying a pulling force to the pull rod, the movement of the sliding part 105 relative to the fixed part 108 can be controlled. The above-described device has a simple structure and is highly operable.

[0073] In the embodiments of this application, please refer to the references. Figure 1 as well as Figure 4 A through-type movable groove 114 is provided on the crossbar 102. The length direction of the movable groove 114 extends along the axial direction of the crossbar 102. The end of the first support rod 106 passes through the movable groove 114 and is slidably connected to the crossbar 102. In the above technical solution, by providing the movable groove 114, the friction of the sliding of the first support rod 106 relative to the crossbar 102 is reduced, thereby improving the convenience and efficiency of adjusting the position of the first support rod 106.

[0074] In the embodiments of this application, such as Figure 5 As shown, the second adjustment device 30 includes a telescopic device 301 disposed between the crossbar 102 and the support rod 101. The telescopic device 301 is used to adjust the distance between the crossbar 102 and the support rod 101. By providing the telescopic device 301, the size adjustment of the position adjustment structure in the second direction Y is realized.

[0075] In the embodiments of this application, please refer to the references. Figure 3The telescopic device 301 includes a first telescopic rod 302 and a second telescopic rod 303. The first telescopic rod 302 is disposed between the first support rod 106 and the crossbar 102, and the first telescopic rod 302 is movable relative to the first support rod 106 along the axial direction of the first support rod 106. The second telescopic rod 303 is disposed between the second support rod 107 and the crossbar 102, and the second telescopic rod 303 is movable relative to the second support rod 107 along the axial direction of the second support rod 107. Specifically, the end face of the first support rod 106 facing the crossbar 102 is recessed to form a first recess, one end of the first telescopic rod 302 extends into the first recess and moves along the axial direction of the first support rod 106. The end face of the second support rod 107 facing the crossbar 102 is recessed to form a second recess, one end of the second telescopic rod 303 extends into the second recess and moves along the axial direction of the second support rod 107.

[0076] The above-mentioned technical solution adjusts the distance between the crossbar 102 and the base 103 by setting the first telescopic rod 302 and the second telescopic rod 303. The structure is simple and easy to operate, while ensuring the stability of the component 40 to be installed on the crossbar 102.

[0077] In the embodiments of this application, the angle adjustment device 20 includes a first rotating shaft 201 and a second rotating shaft 202. The first support rod 106 and the sliding block 111 are rotatably connected via the first rotating shaft 201, and the second support rod 107 and the fixing block 109 are rotatably connected via the second rotating shaft 202. By setting the first rotating shaft 201 and the second rotating shaft 202, the first support rod 106 and the second support rod 107 are rotated relative to the base 103 at a certain angle, thereby achieving angle adjustment of the installation position of the component 40 to be installed.

[0078] In the embodiments of this application, the axis of the first rotating shaft 201 and the axis of the second rotating shaft 202 are located on the same straight line, or the axes of the first rotating shaft 201 and the second rotating shaft 202 are parallel to each other. Specifically, having the axes of the first rotating shaft 201 and the second rotating shaft 202 on the same straight line ensures that the heights of the first rotating shaft 201 and the second rotating shaft 202 are equal, and that the first rotating shaft 201 rotates in the same direction as the second rotating shaft 202. Having the axes of the first rotating shaft 201 and the second rotating shaft 202 parallel to each other ensures that the rotation directions of the first rotating shaft 201 and the second rotating shaft 202 are the same, while also improving the flexibility of the rotation directions of the first rotating shaft 201 and the second rotating shaft 202.

[0079] In the above structure, the synchronicity of the rotation of the first rotating shaft 201 and the second rotating shaft 202 is ensured, as well as the stability of the structure of the first support rod 106, the second support rod 107 and the crossbar 102, and the controllability of the rotation angle.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A position adjustment mechanism, disposed in a vehicle, said position adjustment mechanism being used to adjust the position of a vehicle braking control device, wherein, The braking control device is connected to the vehicle's brake support rod, and the downward movement of the brake support rod is controlled by the rotation of the braking control device. The position adjustment mechanism includes: The first adjusting device is movable and retractable along a first direction, including a first support rod and a second support rod arranged opposite to each other, and a crossbar disposed between the first support rod and the second support rod. The distance between the first support rod and the second support rod is adjustable. The crossbar is used to install the braking control device. The first adjusting device includes a base and a sliding device. The sliding device includes a sliding part and a fixed part. The sliding part is slidably connected to the base. The first support rod is disposed on the sliding part. The fixed part is fixedly connected to the base. The second support rod is disposed on the fixed part. An angle adjustment device is connected to and rotatably connected to the first adjustment device, including a first rotating shaft and a second rotating shaft. The first support rod is rotatably connected to the sliding block through the first rotating shaft, and the second support rod is rotatably connected to the fixed part through the second rotating shaft. The axis of the first rotating shaft and the axis of the second rotating shaft are on the same straight line or parallel to each other. The base is provided with a slide rail extending from the first support rod toward the second support rod. The sliding part includes the sliding block, which has a groove that matches the slide rail. The sliding block can move along the slide rail.

2. The position adjustment mechanism according to claim 1, wherein, The position adjustment mechanism further includes a second adjustment device configured to be movable along a second direction, which intersects with the first direction.

3. The position adjustment mechanism according to claim 1, wherein, The fixing part includes two fixing blocks disposed opposite each other on the base, and the second support rod is disposed between the two fixing blocks and connected to the two fixing blocks.

4. The position adjustment mechanism according to claim 3, wherein, The base is provided with a slide rail extending from the first support rod toward the second support rod. The sliding part includes a sliding block, and the sliding block is provided with a sliding groove that matches the slide rail. The sliding block can move along the slide rail.

5. The position adjustment mechanism according to any one of claims 1 to 4, wherein, The crossbar has a through-hole movable groove, the length of which extends along the axial direction of the crossbar, and the end of the first support rod passes through the movable groove and is slidably connected to the crossbar.

6. The position adjustment mechanism according to claim 2, wherein, The second adjusting device includes a telescopic device disposed between the crossbar and the support rod.

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