Connecting shaft for automobile steering wheel

Abstract

The utility model relates to the technical field of connecting shafts of steering wheels, and discloses a connecting shaft for an automobile steering wheel, which comprises a rotating shaft group and universal joint groups, the universal joint groups are assembled on two sides of the rotating shaft group, a first assembling mechanism and a second assembling mechanism are assembled between the rotating shaft group and the universal joint groups, the first assembling mechanism comprises a sleeve, and the sleeve is sleeved on the rotating shaft group. A sliding sleeve is slidably connected to the outer portion of the sleeve, a first spring is connected between the sliding sleeve and the sleeve, and cross-shaped clamping arms are evenly distributed in the sleeve. According to the connecting shaft for the automobile steering wheel, the problem that when the universal joint set is damaged, the rotating shaft set and the universal joint set need to be integrally replaced, and consequently economic losses are caused is solved, meanwhile, through the additionally-arranged second assembling mechanism, when the first assembling mechanism is connected with the connecting shaft, the connecting position of the first assembling mechanism and the second assembling mechanism is automatically lubricated, and the assembling efficiency is improved. Therefore, the problem that the joint of the first assembling mechanism and the second assembling mechanism is rusted and cannot be disassembled is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the connecting shaft of steering wheel, specifically a connecting shaft for automobile steering wheel. BACKGROUND

[0002] The automobile steering wheel is an important device for the driver to operate the driving direction of the automobile, and its design and function are crucial to the safety and comfort of driving.

[0003] The automobile steering wheel is mainly composed of a steering column, a steering shaft, a steering wheel shell, an airbag and a control part, wherein the steering shaft is used for controlling the steering of the control shaft connecting the automobile tires, the steering shaft as a connecting shaft is convenient for the movement of the control shaft at different angles, and then a universal joint is externally installed to facilitate the up-down adjustment of the steering wheel, but the connection between the universal joint and the control shaft of the steering shaft is prone to damage after long-term use, which results in the replacement of the whole steering shaft, thereby causing economic losses, and the complete disassembly and maintenance of the steering shaft increase the maintenance time of the automobile. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a connecting shaft for automobile steering wheel to solve the technical problems of the above-mentioned whole steering shaft needing to be replaced together, thereby causing economic losses, and the complete disassembly and maintenance of the steering shaft increase the maintenance time of the automobile.

[0006] (II) Technical solutions

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a connecting shaft for automobile steering wheel, comprising: a rotating shaft group and a universal joint group, and the universal joint group is assembled on both sides of the rotating shaft group, a first assembly mechanism and a second assembly mechanism are assembled between the rotating shaft group and the universal joint group, the first assembly mechanism comprises a sleeve, a sliding sleeve is connected to the outside of the sleeve, a first spring is connected between the sliding sleeve and the sleeve, cross clamping arms are uniformly arranged in the inside of the sleeve, and a containing groove is formed in the inside of the sliding sleeve.

[0008] The second assembly mechanism comprises a plug rod, and the plug rod is uniformly provided with a clamping groove on the outside, and is connected with the sleeve through sliding.

[0009] Preferably, an oil groove is formed in the inside of the plug rod, a piston rod is connected to the inside of the oil groove through sliding, second springs are uniformly arranged between the oil groove and the piston rod, the inside of the oil groove can store lubricating oil, the piston rod can move up and down to squeeze out the lubricating oil in the inside of the oil groove, and the second springs are used to drive the piston rod to move back after movement.

[0010] Preferably, the outside of the oil tank is uniformly provided with one-way valve pipes, the left side of the oil tank is uniformly provided with oil inlets, and the inside of the oil tank is uniformly provided with oil outlets.

[0011] Preferably, the outside of the first assembly mechanism is sleeved with a limiting sleeve, and the limiting sleeve is connected with the first spring; the limiting sleeve and the sliding sleeve are connected with a rubber sleeve, and the limiting sleeve is used for supporting the sliding sleeve, and the rubber sleeve is used for protecting the first spring.

[0012] Preferably, the inside of the sleeve is uniformly provided with square grooves, and the square grooves are connected with the cross-shaped clamping arms.

[0013] Preferably, the cross-shaped clamping arm comprises a cross-shaped arm, the cross-shaped arm and the slotted hole are connected with a spring, and the end of the cross-shaped arm away from the containing groove is designed as an inclined surface; the cross-shaped clamping arm can be resisted by the sliding rod to move upward, and the cross-shaped clamping arm can be limited by the sliding sleeve.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a connecting shaft for automobile steering wheel has the following beneficial effects:

[0016] When the universal joint group needs to be disassembled, the first assembly mechanism and the second assembly mechanism are added, the assembly between the universal joint group and the rotating shaft group is quickly completed, the problem that the steps are complicated when the universal joint group is disassembled when the rotating shaft group is damaged is avoided, the problem that the economic loss caused by the integral replacement of the rotating shaft group and the universal joint group when the universal joint group is damaged is avoided, and the connection between the first assembly mechanism and the second assembly mechanism is lubricated automatically, thereby avoiding the problem that the first assembly mechanism and the second assembly mechanism cannot be disassembled due to rust. DETAILED DESCRIPTION

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is a connection schematic view of the first assembly mechanism and the second assembly mechanism of the utility model;

[0019] Figure 3 It is a partial sectional view of the first assembly mechanism and the second assembly mechanism of the utility model;

[0020] Figure 4 It is the first assembly mechanism partial section view of the utility model;

[0021] Figure 5 It is the second assembly mechanism partial section view of the utility model.

[0022] In the figure: 1, rotating shaft group; 2, universal joint group; 3, first assembly mechanism; 31, sleeve; 32, containing groove; 33, sliding sleeve; 34, first spring; 35, limiting sleeve; 36, rubber sleeve; 37, cross clamping arm; 4, second assembly mechanism; 41, inserting rod; 42, clamping groove; 43, oil groove; 44, piston rod; 45, second spring; 46, one-way valve pipe; 47, oil inlet; 48, oil outlet. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] The utility model provides a kind of technical scheme, please refer to Figure 1 And Figure 2 A connecting shaft for automobile steering wheel, comprising: rotating shaft group 1 and universal joint group 2, and universal joint group 2 is assembled on both sides of rotating shaft group 1, first assembly mechanism 3 and second assembly mechanism 4 are assembled between rotating shaft group 1 and universal joint group 2, first assembly mechanism 3 includes sleeve 31, sliding sleeve 33 is connected outside sleeve 31, and first spring 34 is connected between sliding sleeve 33 and sleeve 31, cross clamping arm 37 is evenly arranged in the inside of sleeve 31, containing groove 32 is opened in the inside of sliding sleeve 33.

[0025] Please refer to Figure 3 And Figure 4 Second assembly mechanism 4 includes inserting rod 41, clamping groove 42 is evenly arranged outside inserting rod 41, and inserting rod 41 is slidably connected between sleeve 31, rotating shaft group 1 is the connecting shaft for automobile steering wheel commonly used in prior art, universal joint group 2 is the universal connection product commonly used in prior art, sleeve 31 can accommodate inserting rod 41, containing groove 32 can support cross clamping arm 37, sliding sleeve 33 can drive and limit cross clamping arm 37, rubber sleeve 36 can support and drive sliding sleeve 33, cross clamping arm 37 can limit the movement of second assembly mechanism 4.

[0026] The inside of the plug rod 41 is provided with an oil groove 43, the inside of the oil groove 43 is slidably connected with a piston rod 44, and the oil groove 43 and the piston rod 44 are uniformly provided with a second spring 45, the inside of the oil groove 43 can store lubricating oil, the piston rod 44 can move up and down to extrude the lubricating oil in the inside of the oil groove 43, the second spring 45 is used to drive the piston rod 44 to move back after movement, the outside of the oil groove 43 is uniformly provided with a one-way valve pipe 46, the left side of the oil groove 43 is uniformly provided with an oil inlet 47, the inside of the oil groove 43 is uniformly provided with an oil outlet 48, the one-way valve pipe 46 can only intake air in one direction and cannot exhaust air, the one-way valve pipe 46 is a common one-way valve product in the prior art, the oil outlet 48 is used to discharge the lubricating oil in the inside of the oil groove 43 between the first assembly mechanism 3 and the second assembly mechanism 4, the plug rod 41 can be inserted into the inside of the sleeve 31, the oil groove 43 can limit the plug rod 41 in cooperation with the cross clamping arm 37, the oil inlet 47 is a common one-way oil inlet pipe in the prior art, which can only intake oil in one direction and cannot discharge oil.

[0027] Please refer to Figure 5 The outside of the first assembly mechanism 3 is sleeved with a limiting sleeve 35, and the limiting sleeve 35 is connected with the first spring 34, a rubber sleeve 36 is connected between the limiting sleeve 35 and the sliding sleeve 33, the limiting sleeve 35 is used to support the sliding sleeve 33, and the rubber sleeve 36 is used to protect the first spring 34, the inside of the sleeve 31 is uniformly provided with a square groove, the square groove is connected with the cross clamping arm 37, the square groove is used to accommodate and assemble the cross clamping arm 37, the cross clamping arm 37 comprises a cross arm, a spring is connected between the cross arm and the slot, and the end of the cross arm away from the accommodating groove 32 is designed as an inclined surface, the cross clamping arm 37 can be moved upward by the sliding plug rod 41 through the inclined surface design at the bottom, and the cross clamping arm 37 can be limited by the sliding sleeve 33.

[0028] The scheme is first assembled with the rotating shaft group 1, and the universal joint group 2 is assembled with the direction control system of the automobile, when any one of the universal joint groups 2 on both sides of the rotating shaft group 1 is damaged, the sliding sleeve 33 is driven to release the limitation of the cross clamping arm 37, at this time, the cross clamping arm 37 is moved out from the inside of the clamping groove 42, thereby releasing the connection between the first assembly mechanism 3 and the second assembly mechanism 4, a new universal joint group 2 is installed, the plug rod 41 is inserted into the inside of the sleeve 31, the sliding sleeve 33 is returned, and then the cross clamping arm 37 is clamped into the inside of the clamping groove 42, the assembly of the first assembly mechanism 3 and the second assembly mechanism 4 is completed, at the same time, the sleeve 31 moves the piston rod 44 to press out the lubricating oil in the plug rod 41, the lubricating oil is discharged through the oil outlet 48 and enters between the first assembly mechanism 3 and the second assembly mechanism 4 for lubrication, thereby improving the connection fluency between the first assembly mechanism 3 and the second assembly mechanism 4, and avoiding rusting of the connection between the first assembly mechanism 3 and the second assembly mechanism 4 to cause disassembly;

[0029] When the universal joint set 2 needs to be disassembled, the first assembling mechanism 3 and the second assembling mechanism 4 are added to quickly complete the assembly between the universal joint set 2 and the rotating shaft set 1, avoid the problem of complicated steps when the universal joint set 2 is disassembled from the rotating shaft set 1, avoid the problem of economic loss caused by the integral replacement of the rotating shaft set 1 and the universal joint set 2 when the universal joint set 2 is damaged, and the second assembling mechanism 4 is added to automatically lubricate the connection between the first assembling mechanism 3 and the second assembling mechanism 4 when the first assembling mechanism 3 is connected to the second assembling mechanism 4, thereby avoiding the problem of rusting of the connection between the first assembling mechanism 3 and the second assembling mechanism 4, which causes the disassembly to be impossible.

[0030] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A connecting shaft for an automobile steering wheel, comprising: A rotating shaft assembly (1) and a universal joint assembly (2), wherein the universal joint assembly (2) is mounted on both sides of the rotating shaft assembly (1), characterized in that: a first assembly mechanism (3) and a second assembly mechanism (4) are assembled between the rotating shaft assembly (1) and the universal joint assembly (2), the first assembly mechanism (3) includes a sleeve (31), a sliding sleeve (33) is slidably connected to the outside of the sleeve (31), and a first spring (34) is connected between the sliding sleeve (33) and the sleeve (31), a cross-shaped retaining arm (37) is evenly distributed inside the sleeve (31), and a receiving groove (32) is opened inside the sliding sleeve (33); The second assembly mechanism (4) includes a plug rod (41), the outside of which is evenly provided with slots (42), and the plug rod (41) is slidably connected to the sleeve (31).

2. A connecting shaft for an automobile steering wheel according to claim 1, characterized in that: The insert rod (41) has an oil groove (43) inside, and a piston rod (44) is slidably connected inside the oil groove (43). A second spring (45) is evenly distributed between the oil groove (43) and the piston rod (44).

3. A connecting shaft for an automobile steering wheel according to claim 2, characterized in that: One-way valve pipes (46) are evenly distributed on the outside of the oil tank (43), oil inlets (47) are evenly distributed on the left side of the oil tank (43), and oil outlets (48) are evenly distributed inside the oil tank (43).

4. A connecting shaft for an automobile steering wheel according to claim 1, characterized in that: The first assembly mechanism (3) is externally fitted with a limiting sleeve (35), and the limiting sleeve (35) is connected to the first spring (34). A rubber sleeve (36) is connected between the limiting sleeve (35) and the sliding sleeve (33).

5. A connecting shaft for an automobile steering wheel according to claim 1, characterized in that: The sleeve (31) is provided with square grooves evenly distributed inside, and the square grooves are connected to the cross arm (37).

6. A connecting shaft for an automobile steering wheel according to claim 5, characterized in that: The cross arm (37) includes a cross arm, and a spring is connected between the cross arm and the slot. The end of the cross arm away from the receiving slot (32) is designed with a bevel.

Images