CN218839564U

CN218839564U - Automobile steering wheel capable of being rapidly disassembled

Info

Publication number: CN218839564U
Application number: CN202320258888.3U
Authority: CN
Inventors: 姜十万
Original assignee: Chongqing Creation Vocational College
Current assignee: Chongqing Creation Vocational College
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-04-11
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a but quick automobile steering wheel who dismantles belongs to automobile steering wheel and dismantles technical field, including steering wheel subassembly, transmission shaft and fixed subassembly, the transmission shaft includes first transmission shaft and secondary drive axle, first transmission shaft with steering wheel subassembly fixed connection, the secondary drive shaft is connected with the car steering subassembly, with the help of between first transmission shaft and the secondary drive axle fixed subassembly fixed connection, be equipped with spacing subassembly on the secondary drive axle in order to avoid first transmission shaft rotates relatively. The utility model discloses make steering wheel subassembly and transmission shaft remain stable and be connected to it is simple and convenient to dismantle, can not harm steering wheel subassembly.

Description

Automobile steering wheel capable of being rapidly disassembled

Technical Field

The utility model belongs to the technical field of the car steering wheel is dismantled, concretely relates to car steering wheel that can dismantle fast.

Background

The automobile universal disc is one part of an automobile reversing system and is an important part for controlling automobile steering. Therefore, when the automobile leaves the factory, the torque of the steering wheel is often required to be tested, so that the steering wheel can be used more safely.

In the actual test, the steering wheel is typically secured to the steering column by pressing. When the steering wheel needs to be detached from the steering column, the current common adopted method is as follows: firstly, a hammer is used for knocking the steering wheel to loosen the steering wheel and the steering column, and then the steering wheel is taken down from the steering column. The disassembly mode is time-consuming and labor-consuming, the disassembly and assembly efficiency is low, and the cortex on the surface of the steering wheel can be scraped to damage the appearance of the steering wheel. Especially, when the hammer is used for striking with excessive force or uneven force, the steering wheel can be deformed, so that the steering wheel cannot be used any more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car steering wheel that can dismantle fast to solve present steering wheel generally through the extrusion fastening on the steering column, the dismantlement mode is not only wasted time and energy, and the dismouting is inefficient, but also can scrape the cortex on colored steering wheel surface, destroys the outward appearance of steering wheel, still can cause the steering wheel to warp, makes the problem that the steering wheel can't be used again.

The utility model provides a but quick automobile steering wheel who dismantles, includes steering wheel subassembly, transmission shaft and fixed subassembly, the transmission shaft includes first transmission shaft and secondary drive axle, first transmission shaft with steering wheel subassembly fixed connection, the secondary drive axle turns to the subassembly with the car and is connected, with the help of between first transmission shaft and the secondary drive axle fixed subassembly fixed connection, be equipped with spacing subassembly on the secondary drive axle in order to avoid first transmission shaft rotates relatively.

Preferably, fixed subassembly includes bulge, spacing portion, spacing groove and slot, annular dog, the tip fixedly connected with of first transmission shaft the bulge just the bilateral symmetry fixedly connected with of bulge spacing portion, second transmission shaft end division have with the slot that the bulge corresponds just coaxial fixedly connected with in the slot annular dog, the inner wall symmetry of annular dog open have with the spacing groove that spacing portion corresponds, annular dog with leave the rotation cavity between the interior bottom of slot, the bulge inserts in the slot just spacing portion moves along the spacing groove in the rotation cavity, rotate first transmission shaft makes spacing portion and spacing groove dislocation.

Preferably, the limiting assembly comprises a limiting sleeve, a wedge block, a through hole and a wedge groove, the wedge groove is formed in the surface of the limiting portion, the through hole corresponding to the wedge groove is formed in the surface of the second transmission shaft, the wedge block is inserted into the wedge groove of the limiting portion after dislocation along the through hole, and the surface of the second transmission shaft is engaged with the limiting sleeve through threads and the inner wall of the limiting sleeve is abutted to the surface of the wedge block.

Preferably, the surface of second transmission shaft is equipped with the external screw thread just the external screw thread is established the below of through-hole, limit sleeve's inner wall is equipped with the internal thread, its top is located after limit sleeve meshing is fixed the top of through-hole.

Preferably, the inner bottom of the rotating cavity is fixedly connected with a pressing plate through a spring, the pressing plate presses the bottom of the protruding portion, an inflatable airbag is further arranged inside the slot, an inflation opening of the inflatable airbag extends to the surface of the second transmission shaft, and the inflatable airbag is tightly attached to the surface of the protruding portion after being inflated.

The utility model discloses a have following advantage:

the utility model discloses insert the bulge of first transmission shaft in the slot of secondary drive axle, spacing portion moves to rotating cavity along the spacing groove in, rotate first transmission shaft makes spacing portion and spacing groove dislocation, utilize spacing portion and annular dog to inject the axial motion of spacing portion, make first transmission shaft and secondary drive axle keep axial connection, then utilize the wedge to insert the wedge inslot on spacing surface, utilize the motion of spacing sleeve restriction wedge, and then utilize the rotation of the spacing portion of wedge restriction, make first transmission shaft and secondary drive axle keep circumferential connection, avoid first transmission shaft to take place relative rotation, the rotation of steering wheel subassembly can be better drive the secondary drive axle and rotate like this, during the dismantlement, only need detach spacing sleeve, the wedge, then rotate first transmission shaft and make spacing portion and spacing groove align, can extract the bulge, make steering wheel subassembly and transmission shaft break away from, it is also comparatively simple and convenient to break away from the process. The utility model discloses make steering wheel subassembly and transmission shaft remain stable and be connected to it is simple and convenient to dismantle, can not harm steering wheel subassembly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure shown in fig. 1 at a.

Fig. 3 is a schematic view of an internal structure of the second driving shaft having the structure shown in fig. 1.

The labels in the figures are:

1. a drive shaft; 10. a first drive shaft; 11. a second drive shaft;

2. a fixing assembly; 20. a projection; 21. a slot; 22. a limiting part; 23. an annular stop block; 24. a limiting groove; 25. rotating the cavity; 26. pressing a plate; 27. a spring; 28. inflatable air bag

3. A limiting component; 30. a limiting sleeve; 31. a wedge block; 32. a through hole; 33. a wedge-shaped groove;

4. a steering wheel assembly.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention by those skilled in the art.

As shown in fig. 1-3, the utility model provides a but quick automobile steering wheel who dismantles, including steering wheel subassembly 4, transmission shaft 1 and fixed subassembly 2, transmission shaft 1 includes first transmission shaft 10 and second transmission shaft 11, first transmission shaft 10 with steering wheel subassembly 4 fixed connection, second transmission shaft 11 is connected with the car steering subassembly, with the help of between first transmission shaft 10 and the second transmission shaft 11 fixed subassembly 2 fixed connection, be equipped with spacing subassembly 3 on the second transmission shaft 11 in order to avoid first transmission shaft 10 rotates relatively.

Fixed subassembly 2 includes bulge 20, spacing portion 22, spacing groove 24 and slot 21, annular stop 23, the tip fixedly connected with of first transmission shaft 10 bulge 20 just the bilateral symmetry fixedly connected with of bulge 20

spacing portion

22, 11 tip of secondary drive shaft open have with the slot 21 that bulge 20 corresponds just coaxial fixedly connected with in the slot 21 annular stop 23, the inner wall symmetry of annular stop 23 open have with the spacing groove 24 that spacing portion 22 corresponds, annular stop 23 with leave rotation cavity 25 between the interior bottom of slot 21, bulge 20 inserts in the slot 21 just spacing portion 22 moves along spacing groove 24 in rotating cavity 25, rotate first transmission shaft 10 makes spacing portion 22 and spacing groove 24 dislocation.

The effect of fixed subassembly 2 is that first transmission shaft 10 and second transmission shaft 11 are connected, avoid both to break away from, it is spacing to realize the axial, avoid steering wheel subassembly 4 to break away from transmission shaft 1 in the pivoted, during the installation, at first insert in slot 21 with bulge 20, bulge 20 is the cylinder type structure, the external diameter of bulge 20 equals with annular dog 23's internal diameter, and slot 21 is isometric with the bulge, so long as spacing portion 22 aims at spacing groove 24 and just can make spacing portion 22 move to rotating cavity 25 in, then rotate first transmission shaft 10 and just can make spacing portion 22 and spacing groove 24 take place the dislocation, realize axial connection, because stopping of annular dog 23, can avoid first transmission shaft 10 directly to be pulled out second transmission shaft 11, break away from with second transmission shaft 11 mutually.

Spacing subassembly 3 includes spacing sleeve 30, wedge 31, through-hole 32 and wedge 33, open on the surface of spacing portion 22 has wedge 33, the surface of second transmission shaft 11 has been seted up the through-hole 32 that wedge 33 corresponds, wedge 31 inserts spacing portion 22 after the dislocation along through-hole 32 in the wedge 33, the surface of second transmission shaft 11 has through threaded engagement spacing sleeve 30 just the inner wall of spacing sleeve 30 is contradicted and is in the surface of wedge 31. The outer surface of the second transmission shaft 11 is provided with an external thread, the external thread is arranged below the through hole 32, the inner wall of the limiting sleeve 30 is provided with an internal thread, and the top of the limiting sleeve 30 is positioned above the through hole 32 after being meshed and fixed.

Because the steering wheel assembly 4 needs to rotate around the transmission shaft 1 when working normally, so as to avoid that the limiting portion 22 moves into the limiting groove 24 when the steering wheel assembly 4 rotates, the limiting assembly 3 is arranged, after the limiting portion 22 and the limiting groove 24 are dislocated by rotating the first transmission shaft 10, the position of the limiting portion 22 can be approximately seen from the through hole 32, when the limiting portion 22 is aligned with the through hole 32, the wedge block 31 is inserted into the slot 21 from the outer side of the second transmission shaft 11, the wedge block 31 is inserted into the wedge groove 33, so that when the first transmission shaft 10 rotates, the limiting portion 22 can be clamped by the wedge block 31, the relative rotation between the limiting portion 22 and the second transmission shaft 11 can be avoided, after the wedge block 31 is inserted, the limiting sleeve 30 is engaged with the outer thread, the top of the limiting sleeve 30 is positioned above the through hole 32 after being engaged and fixed, so that the limiting sleeve 30 can completely cover the wedge block 31, and the inner wall of the limiting sleeve 30 abuts against the surface of the wedge block 31, the wedge block 31 can be abutted against the surface of the limiting sleeve 31, the limiting sleeve 31 can be prevented from being disengaged, the limiting sleeve 22 and the limiting sleeve is kept in a stable state with the first transmission shaft 22, and the first transmission shaft is realized.

The inner bottom of the rotating cavity 25 is fixedly connected with a pressure plate 26 through a spring 27, the pressure plate 26 presses the bottom of the protruding part 20, an inflatable air bag 28 is further arranged inside the slot 21, an inflation opening of the inflatable air bag 28 extends to the surface of the second transmission shaft 11, and the inflatable air bag 28 is tightly attached to the surface of the protruding part 20 after being inflated

The pressing plate 26 is used for tightly abutting against the protruding portion 20, so that the limiting portion 22 can be tightly abutted against one side of the annular stop block 23, the protruding portion 20 is kept fixed, the inflatable air bag 28 is used for protecting the protruding portion 20, vibration of the protruding portion 20 is reduced, and excessive vibration of the protruding portion 20 caused by the fact that the steering wheel assembly 4 rotates too fast is avoided.

The steering wheel assembly comprises a steering disc, fixing rods and a central control seat, the central control seat is arranged in the middle of the steering disc, the edge of the central control seat is fixedly connected with the fixing rods, the fixing rods are fixed on the inner wall of the steering disc, and one end of the first transmission shaft is fixedly connected with one side of the central control seat.

The steering wheel component is composed of an existing steering wheel, the steering disc is used for being held by hands, the control component is arranged inside the central control seat and used for being connected with facilities in the automobile, and the fixing rod is used for fixing the central control seat.

The working principle is as follows: the fixing component 2 is used for connecting the first transmission shaft 10 and the second transmission shaft 11 to prevent the first transmission shaft 10 and the second transmission shaft 11 from being separated from each other, so that axial spacing is realized, and the steering wheel assembly 4 is prevented from being separated from the transmission shaft 1 in rotation, during installation, the bulge part 20 is firstly inserted into the slot 21, the bulge part 20 is of a cylindrical structure, the outer diameter of the bulge part 20 is equal to the inner diameter of the annular stop block 23, and the slot 21 is equal to the bulge part, so that the limit part 22 can move into the rotation cavity 25 as long as the limit part 22 is aligned with the limit groove 24, then the limit part 22 and the limit groove 24 can be dislocated by rotating the first transmission shaft 10 to realize axial connection, because the annular stop block 23 can prevent the first transmission shaft 10 from being directly pulled out of the second transmission shaft 11 to be separated from the second transmission shaft 11, because the steering wheel assembly 4 needs to rotate around the transmission shaft 1 in normal operation, therefore, in order to avoid the situation that the limiting part 22 moves into the limiting groove 24 when the steering wheel assembly 4 rotates, the limiting assembly 3 is arranged, after the limiting part 22 and the limiting groove 24 are dislocated by rotating the first transmission shaft 10, the position of the limiting part 22 can be approximately seen from the through hole 32, when the limiting part 22 is aligned with the through hole 32, the wedge block 31 is inserted into the slot 21 from the outer side of the second transmission shaft 11, the wedge block 31 is inserted into the wedge groove 33, so that when the first transmission shaft 10 rotates, the limiting part 22 can be clamped by the wedge block 31 to avoid the relative rotation of the limiting part 22 and the second transmission shaft 11, after the wedge block 31 is inserted, the limiting sleeve 30 is rotated, the limiting sleeve 30 is engaged at the outer thread, the top of the limiting sleeve 30 is positioned above the through hole 32 after being engaged and fixed, so that the limiting sleeve 30 can completely cover the wedge block 31, and the inner wall of the limiting sleeve 30 is abutted against the surface of the wedge block 31, so that the wedge block 31 can be abutted tightly, the wedge block 31 is prevented from being loosened, and the wedge block and the limiting part 22 are kept in a stable state, so that the circumferential fixation of the first transmission shaft 10 is realized.

The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial modifications of the inventive concept and technical solutions of the present invention or direct application of the inventive concept and technical solutions to other applications without modification are within the scope of the present invention.

Claims

1. The utility model provides a car steering wheel that can dismantle fast which characterized in that: including steering wheel subassembly (4), transmission shaft (1) and fixed subassembly (2), transmission shaft (1) includes first transmission shaft (10) and secondary drive axle (11), first transmission shaft (10) with steering wheel subassembly (4) fixed connection, secondary drive axle (11) turn to the subassembly with the car and are connected, with the help of between first transmission shaft (10) and secondary drive axle (11) fixed subassembly (2) fixed connection, be equipped with spacing subassembly (3) on secondary drive axle (11) in order to avoid first transmission shaft (10) relative rotation.

2. A quick release vehicle steering wheel, according to claim 1, wherein: the fixing component (2) comprises a protruding portion (20), a limiting portion (22), a limiting groove (24), a slot (21) and an annular stop block (23), the end portion of the first transmission shaft (10) is fixedly connected with the protruding portion (20) and the two sides of the protruding portion (20) are symmetrically and fixedly connected with the limiting portion (22), the end portion of the second transmission shaft (11) is provided with the slot (21) corresponding to the protruding portion (20) and the annular stop block (23) coaxially and fixedly connected in the slot (21), the inner wall of the annular stop block (23) is symmetrically provided with the limiting groove (24) corresponding to the limiting portion (22), a rotating cavity (25) is reserved between the annular stop block (23) and the inner bottom portion of the slot (21), the protruding portion (20) is inserted into the slot (21) and the limiting portion (22) moves into the rotating cavity (25) along the limiting groove (24), and the first transmission shaft (10) is rotated to enable the limiting portion (22) and the limiting groove (24) to be staggered.

3. A quick release vehicle steering wheel, according to claim 2, wherein: spacing subassembly (3) are including spacing sleeve (30), wedge (31), through-hole (32) and wedge groove (33), open on the surface of spacing portion (22) has wedge groove (33), the surface of second transmission shaft (11) has been seted up through-hole (32) that wedge groove (33) correspond, wedge (31) insert spacing portion (22) after the dislocation along through-hole (32) in wedge groove (33), the surface of second transmission shaft (11) has through threaded engagement spacing sleeve (30) just the inner wall of spacing sleeve (30) is contradicted the surface of wedge (31).

4. A quickly detachable steering wheel for a vehicle according to claim 3, wherein: the outer surface of the second transmission shaft (11) is provided with an external thread, the external thread is arranged below the through hole (32), the inner wall of the limiting sleeve (30) is provided with an internal thread, and the top of the limiting sleeve (30) is positioned above the through hole (32) after being meshed and fixed.

5. A quick release vehicle steering wheel, according to claim 4, wherein: the inner bottom of the rotating cavity (25) is fixedly connected with a pressing plate (26) through a spring (27), the pressing plate (26) is pressed at the bottom of the protruding portion (20), an inflating air bag (28) is further arranged inside the inserting groove (21), an inflating opening of the inflating air bag (28) extends to the surface of the second transmission shaft (11), and the inflating air bag (28) is tightly attached to the surface of the protruding portion (20) after being inflated.