Steering system dustproof components and vehicles

Abstract

This utility model discloses a dustproof component for a steering system and a vehicle, relating to the field of steering system technology. The dustproof component includes: a dustproof seat with a mounting cavity having an mounting opening for mounting a steering intermediate shaft, the steering intermediate shaft passing through the dustproof seat; and a buffer structure disposed in the mounting cavity and abutting against the cavity wall. The technical solution of this utility model reduces abnormal noise from the dustproof seat.

Description

Technical Field

[0001] This utility model relates to the field of steering system technology, and in particular to a dustproof steering system component and vehicle. Background Technology

[0002] In a vehicle's steering system, the intermediate shaft is a crucial transmission component connecting the steering wheel (located in the driver's cabin) and the steering gear (located in the engine compartment), responsible for transmitting the driver's steering torque to the steering actuators. Because the intermediate shaft needs to penetrate the firewall or partition of the driver's cabin, a dust cover is typically installed at the penetration point. The main function of the dust cover is to provide a dynamic seal, preventing dust, mud, and impurities from the external environment from entering the driver's cabin. It also effectively blocks noise and heat from the engine compartment from being transmitted to the driver's cabin, and contributes to the overall vehicle's waterproofing and dustproofing. However, in actual use, the dust cover is prone to producing abnormal noises. Utility Model Content

[0003] The main purpose of this invention is to provide a dustproof component for a steering system and a vehicle, which aims to reduce abnormal noise from the dust cover.

[0004] To achieve the above objectives, this utility model provides a dustproof component for a steering system, the dustproof component for a steering system comprising:

[0005] A dustproof base, wherein the dustproof base has a mounting cavity with a mounting opening for mounting a steering intermediate shaft, the steering intermediate shaft passing through the dustproof base; and

[0006] A buffer structure is provided in the mounting cavity and abuts against the cavity wall.

[0007] In one embodiment, the buffer structure is arranged in a ring around the circumference of the mounting cavity.

[0008] In one embodiment, the buffer structure is positioned close to the mounting port.

[0009] In one embodiment, the buffer structure is bonded to the cavity wall of the mounting cavity; and / or, the buffer structure is configured as an elastic element.

[0010] In one embodiment, the steering system dustproof assembly further includes a quick-connect structure for connecting the dustproof seat and the vehicle floor.

[0011] In one embodiment, the quick-connect structure includes a plug rod and a sleeve that engages with the plug rod. The plug rod is located on the vehicle floor, and the sleeve is located on the dustproof seat. The sleeve and the plug rod are interference-fitted.

[0012] In one embodiment, the dust cover includes:

[0013] The base body is provided with the mounting port and the mounting cavity;

[0014] A mounting base plate is connected to the base body and is located at the end of the base body away from the mounting opening; the mounting base plate extends circumferentially along the base body.

[0015] A sealing part is provided on the side surface of the mounting base plate facing away from the seat.

[0016] In one embodiment, the sealing portion is configured as a flexible boss; the flexible boss extends in a spiral shape, or the flexible boss extends in a ring shape and is coaxially provided in multiple forms.

[0017] In one embodiment, the steering system dustproof assembly further includes a clamping member, which is sleeved on the outer periphery of the seat and located on the side of the mounting base plate opposite to the sealing portion, and the clamping member is used to connect to the vehicle floor.

[0018] In one embodiment, the steering system dustproof assembly further includes a positioning structure disposed between the mounting base plate and the clamping member.

[0019] In one embodiment, the positioning structure includes a positioning boss and a positioning hole that mates with the positioning boss, the mounting base plate is provided with the positioning boss, and the clamping member is provided with the positioning hole.

[0020] In one embodiment, the seat body includes a bearing housing, a seat cylinder, a top plate, and a partition plate. The top plate is disposed at the top end of the seat cylinder and has the mounting opening. The bearing housing is disposed at the mounting opening and extends into the interior of the seat cylinder. The partition plate is disposed inside the seat cylinder and connects the inner wall of the seat cylinder and the bearing housing. The partition plate, the top plate, and the seat cylinder form the mounting cavity.

[0021] The top plate and / or the partition plate are provided with at least one bent portion.

[0022] To achieve the above objectives, this utility model provides a vehicle comprising a driver's cab, a vehicle body floor disposed in the driver's cab, a steering intermediate shaft, and the aforementioned steering system dustproof assembly. The dustproof assembly is fixedly connected to the vehicle body floor, and the steering intermediate shaft passes through the vehicle body floor and the dustproof assembly.

[0023] The technical solution of this application, through the provision of a dustproof seat, provides a sealing effect, preventing dust and impurities from the external environment from entering the cockpit. Furthermore, a needle roller bearing can be installed at the mounting opening of the dustproof seat, improving the smoothness of the steering intermediate shaft's rotation and providing axial and radial dual support, further enhancing its smoothness. During the operation of the steering intermediate shaft, the dustproof seat is prone to deformation due to torque transmission and vibration, leading to abnormal noise. This application, by incorporating a buffer structure within the mounting cavity of the dustproof seat, effectively absorbs and suppresses the deformation of the dustproof seat caused by the rotation or vibration of the steering intermediate shaft, attenuating the vibration energy transmitted by the steering intermediate shaft, effectively reducing the probability of abnormal noise from the dustproof seat, improving the quietness and comfort of the cockpit, and simultaneously reducing fatigue damage to surrounding connecting components caused by vibration. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0025] Figure 1 This is an exploded structural diagram of an embodiment of the dustproof component of the steering system of this utility model;

[0026] Figure 2 This is a cross-sectional structural schematic diagram of an embodiment of the dustproof component of the steering system of this utility model;

[0027] Figure 3 This is a schematic diagram of another angle of an embodiment of the dustproof component of the steering system of this utility model;

[0028] Figure 4 This is a schematic diagram of another embodiment of the dustproof component of the steering system of this utility model;

[0029] Figure 5 This is a cross-sectional structural schematic diagram of another embodiment of the dustproof component of the steering system of this utility model.

[0030] Explanation of icon numbers:

[0031] 100. Dustproof seat; 110. Mounting cavity; 120. Seat body; 121. Bearing seat; 122. Seat sleeve; 123. Top plate; 124. Partition plate; 125. Bending part; 130. Mounting base plate; 140. Sealing part; 200. Needle roller bearing; 300. Buffer structure; 400. Quick-connect structure; 410. Insert rod; 420. Insert sleeve; 500. Clamping part; 600. Positioning structure; 610. Positioning boss; 620. Positioning hole; 700. Steering intermediate shaft; 800. Body floor.

[0032] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0033] 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 embodiments of the present utility model.

[0034] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0035] Furthermore, in the embodiments of this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of the embodiments of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean 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 embodiment of the invention according to the specific circumstances.

[0037] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the protection scope claimed by the embodiments of this utility model.

[0038] Dust covers are used in vehicle steering systems, primarily to provide a dynamic seal, preventing dust, mud, and impurities from the external environment from entering the cab through gaps in the floor and intermediate shaft. They also effectively block noise and heat from the engine compartment from reaching the cab, and contribute to overall vehicle waterproofing and dustproofing. However, in actual use, dust covers are prone to producing abnormal noises.

[0039] In view of this, the present invention provides a dustproof component for a steering system and a vehicle. By setting a buffer structure in the mounting cavity of the dustproof seat, the deformation of the dustproof seat caused by the rotation or vibration of the steering intermediate shaft can be effectively absorbed and suppressed, the vibration energy transmitted by the steering intermediate shaft can be attenuated, the probability of abnormal noise from the dustproof seat can be effectively reduced, the quietness and comfort of the cockpit can be improved, and the fatigue damage of vibration to the surrounding connecting parts can be reduced.

[0040] To better understand the above technical solution, the following detailed explanation is provided in conjunction with the accompanying drawings.

[0041] like Figure 1 and Figure 2 As shown in the figure, this utility model embodiment proposes a dustproof component for a steering system, the dustproof component for a steering system comprising:

[0042] A dustproof seat 100 is provided, which has a mounting cavity 110 with a mounting opening. The dustproof seat 100 can be fixed to the vehicle floor 800 of the cab. The mounting opening is used to install a steering intermediate shaft 700. It is understood that the steering intermediate shaft 700 extends from the mounting opening into the mounting cavity 110 and passes through the mounting cavity 110 and the vehicle floor 800.

[0043] Optionally, the dustproof assembly of the steering system includes a needle roller bearing 200, which is disposed at the mounting port and extends into the mounting cavity 110. The needle roller bearing 200 is used to mount a steering intermediate shaft 700, which passes through the needle roller bearing 200.

[0044] Furthermore, the dustproof component of the steering system also includes a buffer structure 300, which is disposed in the mounting cavity 110 and is used to abut against the cavity wall of the mounting cavity 110.

[0045] In the technical solution adopted in this embodiment, the dustproof seat 100 provides a sealing effect, preventing dust, impurities, and other contaminants from the external environment from entering the cockpit. Furthermore, the needle roller bearing 200 installed at the mounting opening of the dustproof seat 100 improves the smoothness of rotation of the steering intermediate shaft 700 and provides both axial and radial support, further enhancing the smoothness of rotation of the steering intermediate shaft 700.

[0046] During operation, the steering system experiences minor vibrations and impacts on the steering intermediate shaft 700 due to uneven road surfaces, steering operations, or vehicle vibrations. These vibrations are transmitted to the dust cover 100, causing resonance or slapping sounds. The buffer structure 300 absorbs this vibration energy, reducing rigid collisions between structures and thus lowering noise and improving cabin quietness and comfort. Simultaneously, it prevents direct contact between the steering intermediate shaft 700 and the cavity wall of the mounting cavity 110, reducing localized friction and abnormal noise, further enhancing quietness and comfort. Furthermore, the buffer structure 300, filling the mounting cavity 110, provides support for the dust cover 100, preventing localized collapse or wrinkling under external forces and thus suppressing deformation.

[0047] Optionally, the buffer structure 300 is arranged in a circle around the circumference of the mounting cavity. It is understood that the buffer structure 300 is arranged around the steering intermediate shaft 700, thus forming a "support ring" that can provide uniform buffering force in the circumference of the dustproof seat 100, thereby improving the noise reduction and vibration damping effect.

[0048] Optionally, the buffer structure 300 is positioned close to the mounting port. Since the mounting port is used to mount the steering intermediate shaft 700, the area near the mounting port experiences greater vibration. Positioning the buffer structure 300 close to the mounting port allows for immediate absorption of impact energy, effectively reducing abnormal noise.

[0049] Optionally, the buffer structure 300 and the cavity wall of the mounting cavity 110 are bonded and fixed together, so that the buffer structure 300 can be easily and conveniently fixed inside the mounting cavity 110.

[0050] Optionally, the buffer structure 300 is configured as an elastic element, which can be at least one of sponge and rubber. Specifically, sponge or rubber materials have excellent buffering and vibration absorption properties, and can absorb the deformation stress and vibration energy generated by motion during the rotation or deflection of the steering intermediate shaft 700, reducing abnormal noise from the dust cover 100. Moreover, sponge and rubber themselves have a certain degree of sealing, which can prevent dust, moisture and other impurities from entering the steering system while absorbing deformation, thereby improving the sealing performance of the overall structure. Of course, in other embodiments, it can also be a coil spring, wave spring, etc., which is not limited here.

[0051] In one embodiment of this utility model, reference is made to Figure 1 and Figure 4 The steering system dustproof assembly also includes a quick-connect structure 400 for connecting the dustproof seat 100 and the vehicle floor 800. This allows for quick connection and fixation between the dustproof seat 100 and the vehicle floor 800, eliminating the need for complex tools or multiple fasteners. Installation can be completed through a simple plug-in action, significantly improving vehicle assembly efficiency and reducing manual operation difficulty and assembly time costs.

[0052] In one embodiment of this utility model, reference is made to Figure 5 The quick-connect structure 400 includes a plug rod 410 and a sleeve 420 that is plugged into the plug rod 410. The plug rod 410 is located on the vehicle floor 800, and the sleeve 420 is located on the dustproof seat 100. The sleeve 420 and the plug rod 410 are interference-fitted.

[0053] Specifically, the quick-connect structure 400 includes a plug rod 410 and a sleeve 420. The plug rod 410 is mounted on the vehicle floor 800, and the sleeve 420 is mounted on the dust cover 100, with the socket of the sleeve 420 facing the vehicle floor 800. During installation, the socket of the sleeve 420 is aligned with the plug rod 410, and then pressed down firmly to connect the plug rod 410 and the sleeve 420 together, thereby fixing the dust cover 100 to the vehicle floor 800. Optionally, the inner diameter of the sleeve 420 is smaller than the outer diameter of the plug rod 410, which allows for an interference fit between the sleeve 420 and the plug rod 410, improving the reliability of the fixation. In addition, mounting the plug rod 410 on the vehicle floor 800 reduces the overall height of the dust cover 100, meeting the requirements of a compact design.

[0054] In other embodiments, the outer circumferential surface of the insertion rod 410 is provided with a threaded structure, which can increase the friction between the insertion rod 410 and the sleeve 420, further improving the stability of the connection between the insertion rod 410 and the sleeve 420. Of course, in other embodiments, a threaded structure can also be provided on the inner circumferential surface of the sleeve 420, which can also increase the friction.

[0055] In one embodiment of this utility model, reference is made to Figures 1 to 3 The dustproof seat 100 includes:

[0056] The base 120 is provided with the mounting port and the mounting cavity 110;

[0057] A mounting base plate 130 is connected to the base body 120 and is located at the end of the base body 120 away from the mounting opening. The mounting base plate 130 extends circumferentially along the base body 120.

[0058] A sealing part 140 is provided on the side surface of the mounting base plate 130 facing away from the seat body 120.

[0059] Specifically, the dust cover 100 includes a seat body 120, a mounting base plate 130, and a sealing part 140. The seat body 120, as the main structure of the entire dust cover 100, is used for the steering intermediate shaft 700 to pass through, and can be cylindrical, cuboid, or irregularly shaped; no limitation is made here. The mounting base plate 130 is located at the bottom of the seat body 120 and protrudes circumferentially along the seat body 120, thereby increasing the contact area between the dust cover 100 and the vehicle floor 800 and improving the reliability of the connection. Optionally, the mounting base plate 130 and the seat body 120 are integrally formed, resulting in a more reliable structure. The sealing part 140 is located on the surface of the mounting base plate 130 facing away from the seat body 120, which can improve the sealing performance between the mounting base plate 130 and the vehicle floor 800. Optionally, the sealing part 140 can be a sealing ring, which can be adhered to the mounting base plate 130 or partially embedded in the mounting base plate 130; no limitation is made here. In other implementations, the base 120 and the mounting plate 130 can be assembled separately.

[0060] In one embodiment of this utility model, the sealing part 140 is configured as a flexible boss. The flexible boss is elastic. When the mounting base plate 130 and the vehicle floor 800 are connected and fixed, the flexible boss, because it protrudes from the mounting base plate 130, will be compressed and deformed by the locking force between the vehicle floor 800 and the dust cover 100, thereby improving the sealing performance of the connection between the vehicle floor 800 and the mounting base plate 130. Optionally, the flexible boss can be made of rubber or plastic. In one embodiment, the flexible boss and the mounting base plate 130 are integrally injection molded; the flexible boss extends in a spiral shape, or the flexible boss extends in a ring shape and multiple flexible bosses are coaxially arranged, thus forming a multiple sealing structure in the radial direction of the seat 120, further improving the sealing reliability.

[0061] In one embodiment of this utility model, reference is made to Figure 1 , Figure 4 as well as Figure 5The steering system dustproof assembly also includes a clamping member 500. The clamping member 500 is sleeved on the outer periphery of the seat 120 and located on the side of the mounting base plate 130 facing away from the sealing part 140. The clamping member 500 is used to connect the vehicle floor 800. Specifically, when the dustproof seat 100 and the vehicle floor 800 are locked, the clamping member 500 slides down to abut against the mounting base plate 130, and then the clamping member 500 and the mounting base plate 130 are locked and fixed by a locking structure. Due to the limited strength of the mounting base plate 130, the locking force between the vehicle floor 800 and the mounting base plate 130 can easily cause the mounting base plate 130 to crack. Therefore, in this embodiment, a clamping member 500 is provided, which abuts against the upper surface of the mounting base plate 130. The locking structure passes through the clamping member 500 and the mounting base plate 130 and locks to the vehicle floor 800. The clamping member 500 and the mounting base plate 130 are superimposed and cooperate, resulting in a stronger overall structure that can better withstand the locking force of the locking structure and reduce the risk of cracking. Optionally, the clamping member 500 and the seat 120 are slidably connected, or they can be separate components; this is not limited here. In one embodiment, the clamping member 500 is a pressure plate, and its shape can be circular, triangular, cylindrical, or other irregular shapes; this is also not limited.

[0062] In one embodiment, the quick-connect structure 400 has a sleeve 420 disposed on the clamping member 500, and a clearance hole is provided on the mounting base plate 130, which is aligned with the socket of the sleeve 420. During installation, the insertion rod 410 passes through the clearance hole and is inserted into the sleeve 420.

[0063] In one embodiment of this utility model, reference is made to Figure 1 The dustproof steering system component further includes a positioning structure 600, which is disposed between the mounting base plate 130 and the clamping member 500. This allows for positioning during installation, improving installation accuracy.

[0064] In one embodiment of this utility model, reference is made to Figure 1 The positioning structure 600 includes a positioning boss 610 and a positioning hole 620 that mates with the positioning boss 610. The mounting base plate 130 is provided with the positioning boss 610, and the clamping member 500 is provided with the positioning hole 620. Thus, the positioning boss 610 and the positioning hole 620 mate, enabling precise assembly without additional positioning fixtures or auxiliary tools, simplifying the assembly process and reducing assembly time and labor costs.

[0065] In one embodiment of this utility model, reference is made to Figure 2The seat 120 includes a bearing housing 121, a seat cylinder 122, a top plate 123, and a partition plate 124. The top plate 123 is located at the top of the seat cylinder 122 and has the mounting opening. The bearing housing 121 is located at the mounting opening and extends into the interior of the seat cylinder 122. The partition plate 124 is located inside the seat cylinder 122 and connects the inner wall of the seat cylinder 122 and the bearing housing 121. The partition plate 124, the top plate 123, and the seat cylinder 122 form the mounting cavity 110. Optionally, the bearing housing 121, the seat cylinder 122, the top plate 123, and the partition plate 124 are integrally formed, and the needle roller bearing 200 is mounted on the bearing housing 121 through the mounting opening. The bearing housing 121 and the needle roller bearing 200 are interference-fitted, which can improve the reliability of the needle roller bearing 200's fixation. Optionally, the bearing housing 121, the housing 122, the top plate 123, and the partition plate 124 can be assembled separately.

[0066] The top plate 123 and / or the partition plate 124 are provided with at least one bent portion 125. This improves the structural rigidity and bending resistance of the top plate 123 or the partition plate 124, reduces the deformation of the seat 120 during the rotation of the steering intermediate shaft 700, and further reduces the probability of abnormal noise. Optionally, one, two, or more bent portions 125 may be provided, which is not limited here. In one embodiment, the bent portion 125 is arc-shaped, which can better distribute stress and prevent cracking.

[0067] To achieve the above objectives, this utility model provides a vehicle comprising a driver's cab, a vehicle body floor 800 disposed in the driver's cab, a steering intermediate shaft 700, and the aforementioned steering system dustproof components. The steering intermediate shaft 700 passes through the vehicle body floor 800 and is disposed in the needle roller bearing 200. The dustproof seat 100 and the vehicle body floor 800 are fixedly connected.

[0068] Specifically, the specific structure of the dustproof component of the steering system is as described in the above embodiments. Since the vehicle adopts all the technical solutions of the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be elaborated here.

[0069] The above description is merely an exemplary embodiment of the present utility model and does not limit the scope of protection of the present utility model embodiments. Any equivalent structural transformations made under the technical concept of the present utility model using the description and drawings of the present utility model embodiments, or direct / indirect applications in other related technical fields, are included within the scope of protection of the present utility model embodiments.

Claims

1. A dustproof component for a steering system, characterized in that, The dustproof components of the steering system include: A dustproof base, wherein the dustproof base has a mounting cavity with a mounting opening for mounting a steering intermediate shaft, the steering intermediate shaft passing through the dustproof base; and A buffer structure is provided in the mounting cavity and abuts against the cavity wall.

2. The dustproof steering system component as described in claim 1, characterized in that, The buffer structure is arranged in a ring around the circumference of the mounting cavity.

3. The dustproof steering system component as described in claim 1, characterized in that, The buffer structure is positioned close to the mounting port.

4. The dustproof steering system component as described in any one of claims 1 to 3, characterized in that, The buffer structure is bonded and fixed to the cavity wall of the mounting cavity; and / or, the buffer structure is configured as an elastic element.

5. The dustproof steering system component as described in claim 1, characterized in that, The steering system dustproof assembly also includes a quick-connect structure for connecting the dustproof seat and the vehicle floor; The quick-connect structure includes a plug rod and a sleeve that engages with the plug rod. The plug rod is located on the vehicle floor, and the sleeve is located on the dustproof seat. The sleeve and the plug rod are interference-fitted.

6. The dustproof steering system component as described in claim 1, characterized in that, The dustproof seat includes: The base body is provided with the mounting port and the mounting cavity; A mounting base plate is connected to the base body and is located at the end of the base body away from the mounting opening; the mounting base plate extends circumferentially along the base body. A sealing part is provided on the side surface of the mounting base plate facing away from the seat.

7. The dustproof steering system component as described in claim 6, characterized in that, The sealing part is configured as a flexible boss; the flexible boss extends in a spiral shape, or the flexible boss extends in a ring shape and multiple flexible bosses are coaxially arranged.

8. The dustproof steering system component as described in claim 6, characterized in that, The dustproof component of the steering system also includes a clamping member, which is sleeved on the outer periphery of the seat and located on the side of the mounting base plate opposite to the sealing part. The clamping member is used to connect to the vehicle floor.

9. The dustproof steering system component as described in claim 8, characterized in that, The dustproof component of the steering system also includes a positioning structure, which is disposed between the mounting base plate and the clamping member; The positioning structure includes a positioning boss and a positioning hole that mates with the positioning boss. The mounting base plate is provided with the positioning boss, and the clamping member is provided with the positioning hole.

10. The dustproof steering system assembly as claimed in claim 6, characterized in that, The seat body includes a bearing housing, a seat cylinder, a top plate, and a partition plate. The top plate is located at the top of the seat cylinder and has the mounting opening. The bearing housing is located at the mounting opening and extends into the interior of the seat cylinder. The partition plate is located inside the seat cylinder and connects the inner wall of the seat cylinder and the bearing housing. The partition plate, the top plate, and the seat cylinder form the mounting cavity. The top plate and / or the partition plate are provided with at least one bent portion.

11. A vehicle, characterized in that, The vehicle includes a cab, a body floor disposed in the cab, a steering intermediate shaft, and a steering system dustproof assembly as described in any one of claims 1 to 10, wherein the dustproof seat and the body floor are fixedly connected, and the steering intermediate shaft passes through the dustproof seat and the body floor.

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