Side protection devices and vehicles

Abstract

This invention relates to a side protection device and a vehicle. The side protection device includes: at least one first connecting member, one end of which is connected to the outer surface of a longitudinal beam; an adjusting member having a plurality of adjusting holes spaced apart along a first direction, the adjusting member being connected to the other end of the first connecting member via any one of the adjusting holes; a second connecting member detachably connected to the side of the adjusting member opposite to the first connecting member; and a side protection body connected to the second connecting member and located on the side of the second connecting member opposite to the adjusting member. The aforementioned side protection device, by providing multiple adjusting holes, allows for connection to the longitudinal beam via different adjusting holes depending on the vehicle model, thereby ensuring that the ground clearance of the side protection body meets usage requirements, improving the versatility of the side protection device, and saving production costs. The detachable connection between the second connecting member and the adjusting member allows the side protection body to be separated from the vehicle by disassembling the second connecting member, facilitating the maintenance of the entire vehicle's side component assembly.

Description

Technical Field

[0001] This invention relates to the field of vehicle side protection technology, and in particular to a side protection device and a vehicle. Background Technology

[0002] To prevent pedestrians from accidentally falling into the side of vehicles and being run over by the wheels, resulting in injury, side protection devices or devices providing the same protective function are generally installed on the sides of medium and heavy-duty commercial vehicles. Currently, there are two main types of side protection devices for commercial vehicles: one is made of molded plastic parts, and the other is made of welded metal tubing. Both types of side protection devices have a fixed structure and their height cannot be adjusted. However, the ground clearance of the chassis varies among different models of commercial vehicles. To ensure that the ground clearance of the side protection devices meets the usage requirements, specific side protection devices need to be developed for each model of commercial vehicle, which increases production costs. Furthermore, due to the fixed structure, the side protection devices are not easy to disassemble, affecting the ease of maintenance of the entire vehicle's side component assembly. Summary of the Invention

[0003] Therefore, it is necessary to provide a side protection device and vehicle, wherein the height of the side protection device relative to the ground is adjustable and it is easy to disassemble.

[0004] According to one aspect of this application, a side protection device is provided, connected to the outer side of a longitudinal beam of a vehicle, the side protection device comprising:

[0005] At least one first connector, one end of each first connector being connected to the outer surface of the longitudinal beam;

[0006] An adjusting member is provided with a plurality of adjusting holes spaced apart along a first direction, and the adjusting member is connected to the other end of the first connecting member by means of any one of the adjusting holes;

[0007] The second connector is detachably connected to the side of the adjusting member opposite to the first connector; and

[0008] The side protection body is connected to the second connector and is located on the side of the second connector away from the adjusting member.

[0009] The aforementioned side protection device, by providing multiple adjustment holes at intervals along the first direction on the adjustment member, can be connected to the longitudinal beam through different adjustment holes according to the vehicle model, so that the ground clearance of the side protection body meets the usage requirements, thereby improving the versatility of the side protection device and saving production costs; the side protection device is connected to the vehicle's longitudinal beam through a first connector, the first connector is connected to the adjustment member, the side protection body is connected to a second connector, and the second connector is detachably connected to the adjustment member, so that the side protection body can be separated from the vehicle by disassembling the second connector, thereby facilitating the maintenance of the entire vehicle side component assembly.

[0010] In one embodiment, the side protection device further includes a locking mechanism located on the side of the adjusting member opposite to the first connecting member, for locking the second connecting member and the adjusting member.

[0011] In one embodiment, the second connector is provided with a first locking member, and a gap is formed between the first locking member and the second connector;

[0012] The adjusting member is provided with a receiving groove for accommodating the first locking member, and the locking mechanism is configured to extend into the gap to lock the first locking member in the receiving groove.

[0013] In one embodiment, the locking mechanism includes:

[0014] The mounting component is installed on the side of the adjusting component opposite to the first connecting component; and

[0015] A second locking member is movably inserted into the mounting member along the first direction, the second locking member being configured to extend into the gap to lock the first locking member in the receiving groove.

[0016] In one embodiment, the locking mechanism further includes a limiting member that passes through the second locking member;

[0017] The mounting component is provided with a limiting groove that cooperates with the limiting component to restrict the movement of the second locking component in the first direction.

[0018] In one embodiment, the locking mechanism further includes a reset member connected between the second locking member and the mounting member;

[0019] The reset member is configured to drive the second locking member to move along the first direction toward the receiving groove, so that the limiting member engages with the limiting groove.

[0020] In one embodiment, the reset element is a spring.

[0021] In one embodiment, the limiting element is a locking pin.

[0022] In one embodiment, the side protection device further includes a rotating structure, the rotating structure including a mating member disposed on the adjusting member and a rotating shaft disposed at one end of the second connecting member;

[0023] The rotating structure has a first state and a second state;

[0024] When the rotating structure is in the first state, the rotating shaft is rotatably connected to the mating member so that the second connecting member is connected to the adjusting member; when the rotating structure is in the second state, the rotating shaft is separated from the mating member so that the second connecting member is separated from the adjusting member.

[0025] The rotation axis of the rotating shaft is perpendicular to the first direction.

[0026] According to another aspect of this application, a vehicle is provided, including a longitudinal beam and two side protection devices as described in any of the above embodiments;

[0027] The longitudinal beam includes two outer sides arranged opposite each other along a second direction, wherein one of the side protection devices is connected to one of the outer sides of the longitudinal beam, and the other side protection device is connected to the other outer side of the longitudinal beam;

[0028] The second direction is perpendicular to the first direction. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the assembly of the side protection device and the longitudinal beam in one embodiment of this application;

[0030] Figure 2 This is a schematic diagram of the side protection device in one embodiment of this application;

[0031] Figure 3 This is a schematic diagram of the structure of the side protection device after the side protection body is removed in one embodiment of this application;

[0032] Figure 4 This is a schematic diagram of the structure in one embodiment of this application where the second connecting member and the adjusting member are not locked.

[0033] Figure 5 For this application Figure 3 A side view diagram.

[0034] Explanation of icon numbers:

[0035] 10. Side protection device; 11. First connecting piece; 12. Adjusting piece; 121. Adjusting hole; 122. Receiving groove; 13. Second connecting piece; 131. First locking piece; 14. Side protection body; 15. Locking mechanism; 151. Mounting piece; 152. Second locking piece; 153. Limiting piece; 154. Resetting piece; 16. Rotating structure; 161. Fitting piece; 162. Rotating shaft; 17. Transition bracket; 20. Longitudinal beam; 21. Outer surface; X: First direction; Y: Second direction; Z: Third direction. Detailed Implementation

[0036] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] In the description of this invention, it should be understood that the 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 used only for the convenience of describing this invention and simplifying the description, and do not 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 this invention.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0039] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., 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, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0041] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0042] Figure 1 This is a schematic diagram of the assembly of the side protection device and the longitudinal beam in one embodiment of this application; Figure 2 This is a schematic diagram of the side protection device in one embodiment of this application; Figure 3 This is a schematic diagram of the structure of the side protection device after the side protection body is removed in one embodiment of this application; Figure 4 This is a schematic diagram of the structure in one embodiment of this application where the second connecting member and the adjusting member are not locked. Figure 5 For this application Figure 3 A side view diagram.

[0043] See Figure 1 and combined Figure 5 This application provides a side protection device 10, which is connected to the outer side surface 21 of the longitudinal beam 20 of a vehicle. The side protection device 10 includes at least one first connector 11, an adjusting member 12, a second connector 13, and a side protection body 14. One end of each first connector 11 is connected to the outer side surface 21 of the longitudinal beam 20. The adjusting member 12 is provided with an adjusting hole 121 connected to the first connector 11. The second connector 13 is detachably connected to the adjusting member 12. The side protection body 14 is connected to the second connector 13.

[0044] Thus, by providing multiple adjustment holes 121 at intervals along the first direction on the adjustment member 12, it is possible to connect to the longitudinal beam 20 with different adjustment holes 121 according to the vehicle model, so that the ground clearance of the side protection body 14 meets the usage requirements, thereby improving the versatility of the side protection device 10 and saving production costs; the side protection device 10 is connected to the longitudinal beam 20 of the vehicle through the first connecting member 11, the first connecting member 11 is connected to the adjustment member 12, the side protection body 14 is connected to the second connecting member 13, and the second connecting member 13 is detachably connected to the adjustment member 12, so that the side protection body 14 can be separated from the vehicle by disassembling the second connecting member 13, thereby facilitating the maintenance of the entire vehicle side component assembly.

[0045] See Figures 1 to 4The first connector 11 has a first connecting hole (not shown in the figure) at one end, and the outer surface 21 of the longitudinal beam 20 of the vehicle has a second connecting hole (not shown in the figure) corresponding to the first connecting hole. Fasteners pass through the first and second connecting holes to connect the first connector 11 and the longitudinal beam 20. Optionally, the fastener is a bolt. It is understood that multiple first connecting holes and multiple second connecting holes can be provided to securely connect the first connector 11 to the longitudinal beam 20. Of course, the first connector 11 and the longitudinal beam 20 can also be connected by other connection structures, which are not limited here.

[0046] Thus, by providing the first connector 11, the side protection device 10 can be connected to the longitudinal beam 20 via the first connector 11. Furthermore, in this application, the first connector 11 and the longitudinal beam 20 are connected by detachable fasteners, which also facilitates the subsequent disassembly and replacement of the side protection device 10, making the operation simple.

[0047] See Figure 1 In some embodiments, the side protection device 10 is along a third direction (see...). Figure 1 Two first connectors 11 are provided at intervals (as indicated by the Z direction in the diagram), one of which is along the second direction (see...). Figure 1 One end of the side protective body 14 (in the Y direction, as indicated in the diagram) opposite to the longitudinal beam 20 is connected to one end in the third direction, and the other end of the side protective body 14 (in the second direction, opposite to the longitudinal beam 20) is connected to the other end in the third direction. It is understood that the specific shape of the first connecting member 11 is not limited to that shown in the appendix to this application. Figures 1 to 5 The shape shown is sufficient to conceal the connection requirements; furthermore, the first connector 11 can be spaced three, four, five, etc. along a third direction, without further limitation.

[0048] Thus, by setting multiple first connectors 11, the stability of the connection between the side protection body 14 and the longitudinal beam 20 is improved.

[0049] See Figure 1 In some embodiments, the side protection device 10 further includes a transition bracket 17, which is connected between the first connector 11 and the adjusting member 12. It is understood that the transition bracket 17 can be connected to the first connector 11 and the adjusting member 12 via fasteners or other connecting structures. It should be noted that the transition bracket 17 is provided between the first connector 11 and the adjusting member 12 to meet the space arrangement requirements of the vehicle.

[0050] See Figure 1 , Figure 3-5 The adjusting member 12 is roughly C-shaped, with one end of the adjusting member 12 along the first direction (see...). Figure 5Multiple adjustment holes 121 are provided at intervals (as indicated by the X direction). The adjustment member 12 is connected to the end of the first connecting member 11 away from the longitudinal beam 20 in the second direction via any one of the adjustment holes 121. It can be understood that the shape and number of adjustment holes 121 can be selected as needed, and the adjustment member 12 and the first connecting member 11 can be connected by fasteners (e.g., bolts).

[0051] Thus, by providing multiple adjustment holes 121 on the adjustment member 12, the appropriate adjustment hole 121 can be selected according to the vehicle model to connect the adjustment member 12 and the first connecting member 11, thereby ensuring that the ground clearance of the side protection body 14 meets the usage requirements, which is beneficial to improving the versatility of the side protection device 10 and saving production costs.

[0052] See Figure 3 and Figure 4 The second connector 13 is generally C-shaped and is detachably connected to the adjusting member 12 on the side opposite to the first connector 11 along the second direction. In this way, the second connector 13 can be separated from the adjusting member 12 when needed, thereby removing the side protection body 14.

[0053] See Figure 1 and Figure 2 The side protection body 14 extends along a third direction and is connected to the second connector 13, located on the side of the second connector 13 opposite to the adjusting member 12 along a second direction. Thus, by providing the side protection body 14, pedestrians are prevented from accidentally falling onto the side of the vehicle and being pulled under the wheels, causing injury.

[0054] See Figures 3 to 5 In some embodiments, the side protection device 10 further includes a locking mechanism 15, which is located on the side of the adjusting member 12 away from the first connecting member 11, and is used to lock the second connecting member 13 and the adjusting member 12.

[0055] Furthermore, a first locking member 131 is provided at one end of the second connector 13 along the first direction, and a gap is formed between the first locking member 131 and the second connector 13 (not shown in the figure); the adjusting member 12 is provided with a receiving groove 122 for accommodating the first locking member 131, and the locking mechanism 15 is configured to extend into the gap to lock the first locking member 131 in the receiving groove 122.

[0056] Thus, by setting up a locking mechanism 15 and a first locking member 131, and extending the locking mechanism 15 into the gap formed between the first locking member 131 and the second connecting member 13, the first locking member 131 can be locked in the receiving groove 122 provided by the adjusting member 12, thereby locking the adjusting member 12 and the second connecting member 13.

[0057] See Figures 3 to 5In some embodiments, the locking mechanism 15 includes a mounting member 151 and a second locking member 152. The mounting member 151 is generally F-shaped and is mounted on the side of the adjusting member 12 opposite to the first connecting member 11 along the second direction. The mounting member 151 has a mounting hole (not shown) extending through it along the first direction. The second locking member 152 is movably inserted into the mounting member 151 along the first direction via the mounting hole. The second locking member 152 is configured to extend into the gap to lock the first locking member 131 in the receiving groove 122. It is understood that the mounting member 151 can be connected to the adjusting member 12 by fasteners such as bolts, or by other connection structures.

[0058] See Figure 3 and Figure 4 In some embodiments, the locking mechanism 15 further includes a limiting member 153, which passes through the second locking member 152; the mounting member 151 is provided with a limiting groove (not shown in the figure) that cooperates with the limiting member 153, for limiting the movement of the second locking member 152 in the first direction. Optionally, the limiting member 153 is a locking pin. Thus, by providing the limiting member 153 and the limiting groove, the movement of the second locking member 152 in the first direction is limited.

[0059] It should be noted that the limiting member 153 is not always located in the limiting groove. The second locking member 152 can be operated by the operator to move the second locking member 152 away from the limiting groove along the first direction. At this time, under the action of external force, the second locking member 152 will drive the limiting member 153 to disengage from the limiting groove.

[0060] See Figures 3 to 5 In some embodiments, the locking mechanism 15 further includes a reset member 154, which is connected between the second locking member 152 and the mounting member 151. That is, one end of the reset member 154 is connected to the second locking member 152, and the other end of the reset member 154 is connected to the mounting member 151. The reset member 154 is configured to drive the second locking member 152 to move in a first direction toward the receiving groove 122, so that the limiting member 153 engages with the limiting groove. Optionally, the reset member 154 is a reset spring, which is sleeved on the second locking member 152. It is understandable that when the reset member 154 is a reset spring, after the operator moves the second locking member 152 away from the limiting groove in the first direction, the reset spring is stretched. When the operator releases it, since the mounting member 151 is connected to the adjusting member 12 through the fastener, the deformation restoring force of the reset spring can drive the second locking member 152 to move in the first direction towards the receiving groove 122, so that the limiting member 153 cooperates with the limiting groove.

[0061] Thus, by providing a reset member 154, which is connected between the mounting member 151 and the second locking member 152, the deformation restoring force of the reset member 154 can cause the second locking member 152 to move in the first direction toward the receiving groove 122 after the operator releases it, so that the limiting member 153 engages with the limiting groove.

[0062] See Figure 3 and Figure 4 In some embodiments, the side protection device 10 further includes a rotating structure 16. The rotating structure 16 includes a mating member disposed on the adjusting member 12 and a rotating shaft 162 disposed at one end of the second connecting member 13. The rotating shaft 162 is cylindrical, and the mating member has an inner arc surface that mates with the outer circumferential surface of the rotating shaft 162. The rotating structure 16 has a first state and a second state. In the first state, the rotating structure 16 is rotatably connected to the mating member, so that the second connecting member 13 is connected to the adjusting member 12. In the second state, the rotating structure 16 is separated from the mating member, so that the second connecting member 13 is separated from the adjusting member 12. The rotation axis line of the rotating shaft 162 is perpendicular to the first direction, that is, the rotation axis line of the rotating shaft 162 is parallel to the third direction.

[0063] Thus, by providing a rotating structure 16, which has a first state in which the second connecting member 13 is connected to the adjusting member 12 and a second state in which the second connecting member 13 is separated from the adjusting member 12, the installation and disassembly of the adjusting member 12 and the second connecting member 13 are facilitated, thereby facilitating the installation and disassembly of the side protection body 14 and the longitudinal beam 20.

[0064] To facilitate understanding, the installation and disassembly steps of the side protection device 10 will be briefly explained.

[0065] Installation steps for side protection device 10:

[0066] The first connector 11 is connected to the outer surface 21 of the longitudinal beam 20; if there are multiple first connectors 11, they are connected to the longitudinal beam 20 in sequence.

[0067] Adjusting member 12 is connected to first connecting member 11;

[0068] The second connecting member 13 is connected to the adjusting member 12; the rotating shaft 162 and the mating member are connected so that the second connecting member 13 and the adjusting member 12 are connected; the operator moves the second locking member 152 in the first direction away from the limiting groove, while the second connecting member 13 rotates towards the side closer to the adjusting member 12 by means of the rotating structure 16 until the first locking member 131 is located in the receiving groove 122, and then the second locking member 152 is released. The second locking member 152 moves in the first direction towards the receiving groove 122 under the drive of the reset member 154 so that the limiting member 153 is engaged with the limiting groove;

[0069] The side protection body 14 is connected to the second connector 13.

[0070] It should be noted that the installation of the side protection device 10 does not necessarily have to follow the above installation steps. For example, the first connecting piece 11 and the adjusting piece 12 can be connected first, and then the first connecting piece 11 and the adjusting piece 12 can be connected to the longitudinal beam 20 as a combination. Similar installation sequences are acceptable and will not be elaborated here.

[0071] In contrast to the installation steps, the disassembly steps of the side protection device 10 mainly involve: first unlocking the first locking member 131, and then disassembling the rotating shaft 162 and the mating member to separate the adjusting member 12 and the second connecting member 13, thereby realizing the disassembly of the side protection body 14.

[0072] This application also provides a vehicle including a longitudinal beam 20 and two side protection devices 10 in any of the above embodiments. The longitudinal beam 20 extends longitudinally along a third direction and includes two outer surfaces 21 disposed opposite each other along a second direction. One side protection device 10 is connected to one of the outer surfaces 21 of the longitudinal beam 20, and the other side protection device 10 is connected to the other outer surface 21 of the longitudinal beam 20. The second direction is perpendicular to the first direction.

[0073] Thus, by installing a side protection device 10 on each of the two outer sides 21 of the longitudinal beam 20, pedestrians can be prevented from accidentally falling into the sides of the vehicle and being caught under the wheels, causing injury.

[0074] In summary, this application provides a side protection device 10 and a vehicle. By providing a side protection device 10 on each of the two outer sides 21 of the vehicle's longitudinal beam 20 arranged opposite each other along a second direction, pedestrians are prevented from being run over by the wheels. By providing multiple adjustment holes 121 at intervals along a first direction on the adjustment member 12, it is possible to connect to the longitudinal beam 20 with different adjustment holes 121 according to the vehicle model, so that the ground clearance of the side protection body 14 meets the usage requirements, thereby improving the versatility of the side protection device 10 and saving production costs. The side protection device 10 is connected to the vehicle's longitudinal beam 20 through a first connecting member 11, which is connected to the adjustment member 12. The side protection body 14 is connected to a second connecting member 13, and the second connecting member 13 is detachably connected to the adjustment member 12. Thus, the side protection body 14 can be separated from the vehicle by removing the second connecting member 13, thereby facilitating the maintenance of the entire vehicle's side component assembly.

[0075] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0076] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A side protection device, connected to the outer side of a vehicle's longitudinal beam, characterized in that, The side protection device includes: At least one first connector, one end of each first connector being connected to the outer surface of the longitudinal beam; An adjusting member is provided with a plurality of adjusting holes spaced apart along a first direction, and the adjusting member is connected to the other end of the first connecting member by means of any one of the adjusting holes; The second connector is detachably connected to the side of the adjusting member opposite to the first connector; and The side protection body is connected to the second connector and is located on the side of the second connector away from the adjusting member; A locking mechanism is provided on the side of the adjusting member opposite to the first connecting member, for locking the second connecting member and the adjusting member; the second connecting member is provided with a first locking member, and a gap is formed between the first locking member and the second connecting member; the adjusting member is provided with a receiving groove for accommodating the first locking member, and the locking mechanism is configured to extend into the gap to lock the first locking member in the receiving groove; A rotating structure includes a mating member disposed on the adjusting member and a rotating shaft disposed at one end of the second connecting member; the rotating structure has a first state and a second state; in the first state, the rotating shaft is rotatably connected to the mating member so that the second connecting member is connected to the adjusting member; in the second state, the rotating structure is separated from the mating member so that the second connecting member is separated from the adjusting member; The mounting component is installed on the side of the adjusting component opposite to the first connecting component; A second locking member is movably inserted into the mounting member along the first direction, the second locking member being configured to extend into the gap to lock the first locking member in the receiving groove; A limiting member is provided, which passes through the second locking member; the mounting member is provided with a limiting groove that cooperates with the limiting member to restrict the movement of the second locking member in the first direction; A reset member is connected between the second locking member and the mounting member; the reset member is configured to drive the second locking member to move along the first direction toward the receiving groove, so that the limiting member engages with the limiting groove. The rotation axis of the rotating shaft is perpendicular to the first direction.

2. The side protection device according to claim 1, characterized in that, The reset element is a spring.

3. The side protection device according to claim 1, characterized in that, The limiting component is a locking pin.

4. A vehicle, characterized in that, Includes a longitudinal beam and two side guards as described in any one of claims 1-3; The longitudinal beam includes two outer sides arranged opposite each other along a second direction, wherein one of the side protection devices is connected to one of the outer sides of the longitudinal beam, and the other side protection device is connected to the other outer side of the longitudinal beam; The second direction is perpendicular to the first direction.

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