Anti-collision steering column shield

Abstract

The utility model discloses an anti-collision steering column shield which comprises a lower shield body and an upper shield body, the upper shield body is arranged on one side of the lower shield body, two sets of hollow shafts are installed in the lower shield body, two sets of sliding blocks are installed in the hollow shafts in a sliding mode, and the sliding blocks extend to the outer portions of the hollow shafts. And rotating arms are installed on the side walls of the sliding blocks correspondingly, linkage shafts are installed at the ends, close to the sliding blocks, of the rotating arms correspondingly, the rotating arms are movably connected with the sliding blocks through the linkage shafts, hinge shafts are installed at the ends, away from the sliding blocks, of the rotating arms correspondingly, and supporting plates are arranged outside the hollow shafts correspondingly. According to the utility model, not only are convenient connection and fixation and convenient linkage for weakening collision impact realized, but also the shield can be conveniently and quickly connected and disassembled, and energy absorption protection in various modes can be carried out when a user is collided, and the convenience of disassembly and assembly and the safety during use are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steering column shields, in particular to an anti-collision steering column shield. Background Art

[0002] The steering column, commonly known as the steering column, is an important part of the automobile steering system. It is a tubular shell connected to the car body and equipped with a steering shaft. It is mainly responsible for controlling the direction of travel of the car, transmitting steering torque, and absorbing energy when the car collides. The design of the steering column must meet the driver's comfort requirements, so it can usually be adjusted up and down and forward and backward. The design of the steering column also needs to take into account the safety performance of the car, such as absorbing energy during a collision to reduce damage to the driver. In order to better use the steering column, an anti-collision steering column guard is proposed.

[0003] For example, a steering column shield disclosed in the authorization announcement number CN208881891U includes an upper shield and a lower shield, wherein the upper shield and the lower shield are combined to form a chamber, wherein the upper part of the steering column assembly is located in the chamber, wherein the upper end of the steering column assembly is connected to the steering wheel, wherein the upper shield is located on the upper side of the lower shield, wherein an energy absorbing protection plate and a protection metal plate are provided on the inner wall of the lower shield, wherein the energy absorbing protection plate is located between the protection metal plate and the inner wall of the lower shield;

[0004] Although it realizes a steering column guard that can prevent the driver's legs and knees from being hit forward and injured when the car collides;

[0005] However, the problem that the existing steering column guard is not conducive to convenient connection and fixation and convenient linkage to reduce collision impact during use, is not conducive to rapid connection and disassembly of the guard and various energy absorption protection for the user when a collision occurs, affects the convenience of disassembly and assembly and the safety during use. Summary of the invention

[0006] The purpose of the utility model is to provide an anti-collision steering column shield to solve the problem proposed in the above-mentioned background technology that the steering column shield is not convenient for convenient connection and fixation and convenient linkage to reduce collision impact, is not conducive to rapid connection and disassembly of the shield and various energy absorption protection for the user when a collision occurs, which affects the convenience of disassembly and safety during use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-collision steering column guard, comprising a lower guard and an upper guard, an upper guard is arranged on one side of the lower guard, two groups of hollow shafts are installed inside the lower guard, two groups of sliding blocks are slidably installed inside the hollow shaft, and the sliding blocks extend to the outside of the hollow shaft, rotating arms are installed on the side walls of the sliding blocks, linkage shafts are installed at the ends of the rotating arms close to the sliding blocks, and the rotating arms are movably connected to the sliding blocks through the linkage shafts, hinge shafts are installed at the ends of the rotating arms away from the sliding blocks, support plates are arranged outside the hollow shafts, and the support plates are movably connected to the rotating arms through the hinge shafts, shock absorbers are installed at the upper and lower ends of the hollow shaft, and the shock absorbers are connected to the sliding blocks, a protective plate is arranged outside the lower guard, and the protective plate is connected to the support plate, a clamp strip is arranged outside the upper guard, energy-absorbing cotton is installed inside the lower guard above the hollow shaft, and a support pipe is installed inside the upper guard.

[0008] Preferably, a support block is installed on the inner wall of the clamp strip, a support ring is arranged outside the clamp strip, and the support ring is connected to the support block.

[0009] Preferably, a plurality of groups of locking grooves with equal spacing are installed on the surface of the clamp strip, a worm is movably installed inside the support ring, and the worm and the locking groove are meshed with each other.

[0010] Preferably, a threaded block is installed inside the support tube, a threaded rod is installed inside the threaded block, and the threaded rod is threadably connected to the threaded block.

[0011] Preferably, three groups of connecting arms are installed on the side wall of the support tube, and movable shafts are installed at one end of the connecting arms close to the support tube, and the connecting arms are movably connected to the support tube through the movable shafts.

[0012] Preferably, a push block is movably mounted on one end of the threaded rod, and three groups of claws are mounted on the side wall of the push block.

[0013] Preferably, a clamping shaft is installed at one end of the clamping claw close to the push block, and the clamping claw is movably connected to the push block through the clamping shaft, and a clamping block is installed on the side wall of the clamping claw.

[0014] Preferably, a pin is installed at one end of the connecting arm away from the supporting tube, and the connecting arm is movably connected to the claw through the pin.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the steering column guard shield not only realizes convenient connection and fixation and convenient linkage to reduce collision impact, facilitates the rapid connection and disassembly of the guard shield and provides energy absorption protection for the user in various ways when a collision occurs, but also improves the convenience of disassembly and assembly and the safety during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the clamp strip of the utility model;

[0018] Figure 3 It is a schematic diagram of a top cross-sectional structure of a support ring of the utility model;

[0019] Figure 4 It is a side cross-sectional structural schematic diagram of the lower shield of the utility model;

[0020] Figure 5 It is a front view cross-sectional structural diagram of the hollow shaft of the utility model;

[0021] Figure 6 It is a partial side cross-sectional structural schematic diagram of the upper protective cover of the utility model.

[0022] In the figure: 1. lower guard; 2. upper guard; 3. clamp strip; 4. protective plate; 5. energy absorbing cotton; 6. hollow shaft; 7. clamp block; 8. support plate; 9. sliding block; 10. shock absorber; 11. linkage shaft; 12. rotating arm; 13. hinged shaft; 14. support ring; 15. support block; 16. worm; 17. locking groove; 18. threaded rod; 19. support tube; 20. threaded block; 21. connecting arm; 22. claw; 23. push block; 24. clamp shaft; 25. movable shaft; 26. pin shaft. DETAILED DESCRIPTION

[0023] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0024] See also Figure 1-6The utility model provides an embodiment: an anti-collision steering column shield, comprising a lower shield 1 and an upper shield 2, the upper shield 2 is arranged on one side of the lower shield 1, two sets of hollow shafts 6 are installed inside the lower shield 1, two sets of sliding blocks 9 are slidably installed inside the hollow shafts 6, and the sliding blocks 9 extend to the outside of the hollow shafts 6, and rotating arms 12 are installed on the side walls of the sliding blocks 9, and the ends of the rotating arms 12 close to the sliding blocks 9 are installed with linkage shafts 11, and the rotating arms 12 are movably connected with the sliding blocks 9 through the linkage shafts 11, and the rotating arms 1 2, a hinge shaft 13 is installed at one end away from the sliding block 9, a support plate 8 is installed outside the hollow shaft 6, and the support plate 8 is movably connected to the rotating arm 12 through the hinge shaft 13, shock absorbers 10 are installed at both upper and lower ends of the hollow shaft 6, and the shock absorber 10 is connected to the sliding block 9, a protective plate 4 is installed outside the lower shield 1, and the protective plate 4 is connected to the support plate 8, a clamp strip 3 is installed outside the upper shield 2, an energy absorbing cotton 5 is installed inside the lower shield 1 above the hollow shaft 6, and a support pipe 19 is installed inside the upper shield 2;

[0025] First, put the lower guard 1 and the upper guard 2 onto the surface of the steering column, wind the clamp strip 3 onto the surface of the lower guard 1 and the upper guard 2, and pass one end of the clamp strip 3 through the gap between the support block 15 and the support ring 14 to move the locking groove 17 to the position of the support ring 14, rotate the worm 16, and under the mutual engagement of the worm 16 and the locking groove 17, the worm 16 drives the clamp strip 3 to move through the locking groove 17 to tighten the clamp strip 3, thereby tightening the lower guard 1 and the upper guard 2 to facilitate their fixation, rotate the threaded rod 18, and under the threaded connection between the threaded rod 18 and the threaded block 20, the threaded rod 18 is The support tube 19 moves inside, and under the active connection between the push block 23 and the threaded rod 18, the push block 23 is driven by the threaded rod 18 to move, and the push block 23 drives the claw 22 to rotate through the clamping shaft 24. Under the active support of the connecting arm 21, the claw 22 rotates with the pin shaft 26 as the axis. At the same time, under the support of the support tube 19, the connecting arm 21 rotates with the active shaft 25 as the axis, and the clamping block 7 is driven by the clamping claw 22 to move, so that the clamping block 7 is clamped into the lower shield 1, so as to further strengthen the connection between the lower shield 1 and the upper shield 2, thereby realizing convenient connection and fixing, facilitating the rapid connection and disassembly of the shield, and improving the convenience of disassembly and assembly;

[0026] A support block 15 is installed on the inner wall of the clamp strip 3, a support ring 14 is arranged outside the clamp strip 3, and the support ring 14 is connected to the support block 15, a plurality of groups of locking grooves 17 with equal spacing are installed on the surface of the clamp strip 3, a worm 16 is movably installed inside the support ring 14, and the worm 16 and the locking groove 17 are meshed with each other;

[0027] A threaded block 20 is installed inside the support tube 19, a threaded rod 18 is installed inside the threaded block 20, and the threaded rod 18 is threadedly connected to the threaded block 20;

[0028] Three groups of connecting arms 21 are installed on the side wall of the support tube 19. The ends of the connecting arms 21 close to the support tube 19 are all installed with movable shafts 25, and the connecting arms 21 are movably connected to the support tube 19 through the movable shafts 25. A push block 23 is movably installed at one end of the threaded rod 18, and three groups of claws 22 are installed on the side wall of the push block 23.

[0029] A clamping shaft 24 is installed at one end of the clamping claw 22 close to the push block 23, and the clamping claw 22 is movably connected to the push block 23 through the clamping shaft 24, and a clamping block 7 is installed on the side wall of the clamping claw 22;

[0030] A pin 26 is installed at one end of the connecting arm 21 away from the supporting tube 19, and the connecting arm 21 is movably connected to the claw 22 through the pin 26;

[0031] When a collision occurs, the protective plate 4 first contacts the user, and the protective plate 4 is squeezed by external force, and the protective plate 4 drives the support plate 8 to move, and the support plate 8 drives the rotating arm 12 to rotate through the hinge shaft 13, and the rotating arm 12 drives the sliding block 9 to slide inside the hollow shaft 6 through the linkage shaft 11, so that the sliding block 9 contacts the shock absorber 10, and the shock absorber 10 damps the sliding block 9 to prevent the user from being subjected to rigid impact when the car collides, so as to reduce the damage to the user. At the same time, the energy-absorbing cotton 5 can also absorb the energy generated by the collision, so as to further reduce the impact on the user, thereby realizing convenient linkage to reduce the impact of the collision, facilitating various energy absorption protection methods for the user when a collision occurs, and improving the safety of use.

[0032] Working principle: first, put the lower guard 1 and the upper guard 2 onto the surface of the steering column, wrap the clamp strip 3 around the surface of the lower guard 1 and the upper guard 2, and pass one end of the clamp strip 3 through the gap between the support block 15 and the support ring 14 to move the locking groove 17 to the position of the support ring 14, rotate the worm 16, and under the mutual engagement of the worm 16 and the locking groove 17, the worm 16 drives the clamp strip 3 to move through the locking groove 17 to tighten the clamp strip 3, thereby tightening the lower guard 1 and the upper guard 2 to facilitate their fixation, rotate the threaded rod 18, under the threaded connection between the threaded rod 18 and the threaded block 20, the threaded rod 18 moves inside the support tube 19, under the active connection between the push block 23 and the threaded rod 18, the threaded rod 18 drives the push block 23 to move, and the push block 23 drives the claw 22 to rotate through the clamp shaft 24, and under the active support of the connecting arm 21, the claw 22 uses the pin 26 as the axis. Rotate, and at the same time, under the support of the support tube 19, the connecting arm 21 rotates with the movable shaft 25 as the axis, and the clamping claw 22 drives the clamping block 7 to move, so that the clamping block 7 is stuck in the lower shield 1 to further strengthen the connection between the lower shield 1 and the upper shield 2. When a collision occurs, the protective plate 4 first contacts the user, and the protective plate 4 is squeezed by external force. The protective plate 4 drives the support plate 8 to move, and the support plate 8 drives the rotating arm 12 to rotate through the hinge shaft 13. The rotating arm 12 drives the sliding block 9 to slide inside the hollow shaft 6 through the linkage shaft 11, so that the sliding block 9 contacts the shock absorber 10, and the shock absorber 10 is used to damp the sliding block 9 to prevent the user from being subjected to rigid impact when the car collides, so as to reduce the damage to the user. At the same time, the energy-absorbing cotton 5 can also absorb the energy generated by the collision, so as to further reduce the impact on the user, so as to complete the use of the anti-collision steering column guard.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A collision-proof steering column shield, comprising a lower shield (1) and an upper shield (2), characterized in that: An upper shield (2) is provided on one side of the lower shield (1), two groups of hollow shafts (6) are installed inside the lower shield (1), two groups of sliding blocks (9) are slidably installed inside the hollow shafts (6), and the sliding blocks (9) extend to the outside of the hollow shafts (6), and a rotating arm (12) is installed on the side wall of the sliding block (9), and a linkage shaft (11) is installed at one end of the rotating arm (12) close to the sliding block (9), and the rotating arm (12) is movably connected to the sliding block (9) through the linkage shaft (11), and a hinge shaft (13) is installed at one end of the rotating arm (12) away from the sliding block (9). The hollow shaft (6) is provided with a support plate (8) on the outside, and the support plate (8) is movably connected to the rotating arm (12) via a hinge shaft (13); shock absorbers (10) are installed at both upper and lower ends of the hollow shaft (6), and the shock absorbers (10) are connected to the sliding block (9); a protective plate (4) is provided on the outside of the lower shield (1), and the protective plate (4) is connected to the support plate (8); a clamp strip (3) is provided on the outside of the upper shield (2); energy absorbing cotton (5) is installed inside the lower shield (1) above the hollow shaft (6); and a support tube (19) is installed inside the upper shield (2).

2. The anti-collision steering column shield according to claim 1, characterized in that: A support block (15) is mounted on the inner wall of the clamp strip (3), a support ring (14) is arranged on the outside of the clamp strip (3), and the support ring (14) is connected to the support block (15).

3. The anti-collision steering column shield according to claim 2, characterized in that: The surface of the clamp strip (3) is provided with a plurality of locking grooves (17) at equal intervals, and a worm (16) is movably installed inside the support ring (14), and the worm (16) and the locking grooves (17) are meshed with each other.

4. The anti-collision steering column shield according to claim 1, characterized in that: A threaded block (20) is installed inside the support tube (19), a threaded rod (18) is installed inside the threaded block (20), and the threaded rod (18) is threadedly connected to the threaded block (20).

5. The anti-collision steering column shield according to claim 1, characterized in that: Three groups of connecting arms (21) are installed on the side wall of the support tube (19), and a movable shaft (25) is installed on one end of the connecting arms (21) close to the support tube (19), and the connecting arms (21) are movably connected to the support tube (19) via the movable shaft (25).

6. The anti-collision steering column shield according to claim 4, characterized in that: A push block (23) is movably mounted on one end of the threaded rod (18), and three groups of claws (22) are mounted on the side wall of the push block (23).

7. The anti-collision steering column shield according to claim 6, characterized in that: A clamping shaft (24) is installed at one end of the clamping claw (22) close to the push block (23), and the clamping claw (22) is movably connected to the push block (23) via the clamping shaft (24), and a clamping block (7) is installed on the side wall of the clamping claw (22).

8. The anti-collision steering column shield according to claim 5, characterized in that: A pin shaft (26) is installed at one end of the connecting arm (21) away from the supporting tube (19), and the connecting arm (21) is movably connected to the claw (22) via the pin shaft (26).

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