Auxiliary tool for disassembling steering wheel of automobile
By designing an auxiliary tooling for disassembling automotive steering wheels, and utilizing tooling blocks and wing bolts, the problem of difficult steering wheel disassembly was solved, enabling a simple and safe disassembly process that protects the steering wheel and steering system.
Patent Information
- Application Number
- CN202422744813.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-11
AI Technical Summary
In existing technologies, steering wheels are difficult to disassemble, and conventional methods can easily damage the steering wheel and steering column, and the disassembly process is inconvenient.
An auxiliary tooling for disassembling an automotive steering wheel was designed. By setting up a tooling block, wing bolts, threaded seats, positioning bolts and other structures, the steering wheel and steering column spline can be detachably connected. The combination of big-head bolts and wing bolts simplifies the disassembly process and provides a protective function.
It enables simple disassembly of the steering wheel and steering column splines, avoiding damage to the steering wheel and steering structure, and making the disassembly process more convenient and safer.
Smart Images
Figure CN223520958U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steering wheel dismounting auxiliary tool technical field, concretely is a kind of automobile steering wheel dismounting auxiliary tool. BACKGROUND
[0002] Steering wheel is a kind of tool for driving car, its function is to change the force that driver acts on the edge of steering wheel into torque and then transmit to steering shaft, it can let driver control the direction of car, the connection mode of automobile steering wheel and steering column usually uses the form of spline combined taper surface.
[0003] The connection mode of steering wheel can provide enough steering force to steering system, while there is no suitable force point for steering wheel due to large matching force, so it is difficult for maintenance personnel to dismount it, and violent means is usually used to shake and knock steering wheel left and right to forcibly dismount, if motor bearing puller is used to assist dismounting, it is found that steering wheel outer circle is prone to deformation in varying degrees in use, and finally it still leads to steering wheel and steering column scrap, therefore, aiming at the above problems, a kind of automobile steering wheel dismounting auxiliary tool is provided. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of automobile steering wheel dismounting auxiliary tool to solve the problem of inconvenient dismounting of steering wheel.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of automobile steering wheel dismounting auxiliary tool, including steering wheel body and steering column spline, taper hole is opened in the middle of the steering wheel body, steering column spline is slidably connected in the taper hole opened by the steering wheel body, inner thread is arranged at the central position of the top end of the steering column spline, large head bolt is spirally connected in the inner thread, positioning hole is opened in one side of the steering wheel body, positioning bolt is penetrated in the positioning hole opened in one side of the steering wheel body, first gasket and second gasket are sleeved on the surface of the positioning bolt, tool block is arranged on the outer side of the positioning bolt, U-shaped groove is opened in the left and right sides of the tool block, inner hole is opened in the central position of the tool block, threaded seat is fixedly connected on the outer side of the top of the inner hole opened by the tool block, butterfly bolt is spirally connected in the threaded seat.
[0007] Preferably, the top end of the butterfly bolt extends to the outside of the threaded seat, and the bottom end of the butterfly bolt extends to the inside of the inner hole opened in the central position of the tool block.
[0008] Preferably, the two positioning bolts are arranged on the left and right sides of the butterfly bolt as a group, and the second gasket is arranged below the first gasket.
[0009] Preferably, the diameter of the butterfly bolt is greater than the inner diameter of the internal thread, and the length of the butterfly bolt is greater than the thickness of the taper hole, the tool block and the threaded seat.
[0010] Preferably, the tool block is provided with a protection assembly below, the protection assembly comprising a fixed plate, a rubber layer and a fixed rod, the fixed rod being fixedly connected in the tool block, one side of the fixed rod being fixedly connected with the fixed plate, and the outer side of the fixed plate being fixedly connected with the rubber layer, and the rubber layer being tightly attached to the tool block.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] In the utility model, the tool block, the U-shaped groove, the butterfly bolt, the threaded seat, the positioning bolt, the steering wheel body, the taper hole, the positioning hole, the internal thread, the steering column spline and the inner hole are arranged, when the steering wheel body needs to be disassembled, the user fixes the steering wheel body and the tool block through the positioning bolt, then holds the butterfly bolt and rotates it, after rotating to a suitable position, the steering column spline can be pushed out from the taper hole, so that the steering wheel body and the steering column spline are separated, the big head bolt is arranged, when the steering wheel is used, the big head bolt is penetrated through the taper hole at the middle position of the steering wheel body and is screwed and fixed with the internal thread of the steering column spline, at this time, rotating the steering wheel body can drive the steering column spline to rotate simultaneously, so that the direction of the automobile movement is adjusted, the protection assembly, the fixed plate, the rubber layer and the fixed rod are arranged, so that the tool block has the buffer clamping function when being installed, the connecting structure composed of a plurality of bolts is arranged on the top of the steering wheel body, so that the steering wheel body and the steering column spline are separated, compared with the forced disassembly or the disassembly mode assisted by the puller in the prior art, the disassembly process is simpler, and the steering wheel body and the steering structure are not easily damaged. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is an overall explosion structure schematic view of the utility model;
[0014] Figure 2 It is a tool block installation structure schematic view of the utility model;
[0015] Figure 3 It is a big head bolt installation structure schematic view of the utility model;
[0016] Figure 4 It is a tool block cross section structure schematic view of the utility model.
[0017] In the figure: 1, tool block; 2, U-shaped groove; 3, butterfly bolt; 4, threaded seat; 5, positioning bolt; 6, first gasket; 7, second gasket; 8, large head bolt; 9, steering wheel body; 10, conical surface hole; 11, positioning hole; 12, internal thread; 13, steering column spline; 14, inner hole; 15, protection assembly; 151, fixed plate; 152, rubber layer; 153, fixed rod. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0020] In addition, it should be noted that the use of the terms "first", "second" and the like to qualify parts is only intended to facilitate the distinction of the corresponding parts, and unless otherwise stated, the above terms have no special meaning, and therefore cannot be understood as limiting the scope of protection of the present application.
[0021] Please refer to Figures 1-4 The present application provides a technical solution:
[0022] The utility model provides an automobile steering wheel dismounting auxiliary frock, including steering wheel body 9 and steering column spline 13, the taper hole 10 is opened in the middle place of steering wheel body 9, the taper hole 10 that steering wheel body 9 opens is connected with the steering column spline 13 of sliding, the central position of steering column spline 13 top is equipped with internal thread 12, the internal thread 12 is helically connected with the head bolt 8, the one side of steering wheel body 9 is equipped with the positioning hole 11, the positioning bolt 5 is penetrated in the positioning hole 11 of the one side of steering wheel body 9, the surface of positioning bolt 5 is equipped with first gasket 6 and second gasket 7, and the frock block 1 is equipped with the U-shaped groove 2 in the left and right sides of frock block 1, and the inner hole 14 is equipped in the central position of frock block 1, and the threaded seat 4 is fixedly connected to the outside of the top of inner hole 14 of frock block 1, and the winged bolt 3 is helically connected in threaded seat 4, through the detachable connecting structure of a plurality of bolts set up to the top of steering wheel body 9, it is convenient for the separation of steering wheel body 9 and steering column spline 13, compared with forcibly dismounting or using the puller auxiliary dismounting mode in the prior art, this method is simpler in the dismounting process, and the steering wheel body 9 and steering structure are not easy to damage, through the protection assembly 15 set up below frock block 1, it has the protection effect when installing.
[0023] The top end of winged bolt 3 extends to the outside of threaded seat 4, the bottom end of winged bolt 3 extends to the inside of inner hole 14 in the central position of frock block 1, which facilitates the installation and rotation of winged bolt 3; the positioning bolt 5 is set on the left and right sides of winged bolt 3 in a group, the second gasket 7 is set below the first gasket 6, which facilitates the fixation of frock block 1; the diameter of winged bolt 3 is greater than the inner diameter of internal thread 12, and the length of winged bolt 3 is greater than the thickness of the taper hole 10 of steering wheel body 9, frock block 1 and threaded seat 4, so that the steering wheel body 9 can be separated from the steering column spline 13 when the winged bolt 3 rotates; the protection assembly 15 is arranged below the frock block 1, and the protection assembly 15 includes a fixed plate 151, a rubber layer 152 and a fixed rod 153, the fixed rod 153 is fixedly connected in the frock block 1, the fixed plate 151 is fixedly connected on one side of the fixed rod 153, and the rubber layer 152 is fixedly connected on the outside of the fixed plate 151, and the rubber layer 152 is tightly attached to the frock block 1, which facilitates the protection during the installation of the frock block 1.
[0024] Work flow: the steering wheel body 9 is placed in the appropriate position, that is, the user holds the steering wheel body 9 and is sleeved on the steering column spline 13, then the large head bolt 8 is inserted into the internal thread 12 at the top of the steering column spline 13 through the taper hole 10 in the middle of the steering wheel body 9, and is tightened, at this time the steering wheel body 9 is an integral whole with the steering column spline 13 through the large head bolt 8, and the steering column spline 13 is rotated by the steering wheel body 9, so as to adjust the direction of the automobile driving, when the steering wheel body 9 needs to be disassembled, the large head bolt 8 is first unscrewed from the inside of the internal thread 12, and then placed beside, the user holds the tool block 1 and moves to the top of the steering wheel body 9, the first gasket 6 and the second gasket 7 are sleeved on the outside of the positioning bolt 5, the positioning bolt 5 is inserted into the positioning hole 11 in the steering wheel body 9 through the inside of the U-shaped groove 2 on the left and right sides of the tool block 1, and two groups of positioning bolts 5 are connected with the tool block 1, at this time the tool block 1 and the steering wheel body 9 are an integral whole, and the protection assembly 15 is arranged between the tool block 1 and the steering wheel body 9, the rubber layer 152 increases the friction between the tool block 1 and the steering wheel body 9, so that they are not easy to move when being attached, and the elasticity of the rubber layer 152 itself pushes the tool block 1 away from the steering wheel body 9, so that the tool block 1 has a clamping function after being installed, the user rotates the butterfly bolt 3, the butterfly bolt 3 is rotated in the inside of the inner hole 14 of the tool block 1 due to the threaded connection between the butterfly bolt 3 and the threaded seat 4, one end of the butterfly bolt 3 extends to one end of the steering column spline 13, and the butterfly bolt 3 can push the steering column spline 13 out of the inside of the taper hole 10 in the rotating process, so that the steering wheel body 9 is separated from the steering column spline 13, through the detachable connecting structure composed of a plurality of bolts arranged on the top of the steering wheel body 9, the steering wheel body 9 and the steering column spline 13 are separated, compared with the existing technology of forcibly disassembling or using a puller to assist disassembling, the disassembling process is simpler, and the steering wheel body 9 and the steering structure are not easy to be damaged, the protection assembly 15 arranged below the tool block 1 has a protection effect when being installed.
[0025] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the existing technology. The machinery, parts and equipment adopt the conventional type in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail here.
[0026] 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 these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A steering wheel dismounting aid for a motor vehicle, comprising a steering wheel body (9) and a steering column spline (13), characterized in that: The cone hole (10) is arranged in the middle of the steering wheel body (9), the steering column spline (13) is slidably connected in the cone hole (10) of the steering wheel body (9), the inner thread (12) is arranged at the center position of the top end of the steering column spline (13), the king bolt (8) is screwedly connected in the inner thread (12), the positioning hole (11) is arranged on one side of the steering wheel body (9), the positioning bolt (5) penetrates through the positioning hole (11) arranged on one side of the steering wheel body (9), the first gasket (6) and the second gasket (7) are sleeved on the surface of the positioning bolt (5), the tool block (1) is arranged on the outer side of the positioning bolt (5), the U-shaped grooves (2) are arranged on the left and right sides of the tool block (1), the inner hole (14) is arranged at the center position of the tool block (1), the threaded seat (4) is fixedly connected on the outer side of the top of the inner hole (14) of the tool block (1), and the butterfly bolt (3) is screwedly connected in the threaded seat (4).
2. The auxiliary tool for disassembling a steering wheel of an automobile according to claim 1, characterized in that: The top end of the butterfly bolt (3) extends to the outside of the threaded seat (4), and the bottom end of the butterfly bolt (3) extends to the inside of the inner hole (14) arranged at the center position of the tool block (1).
3. The auxiliary tool for disassembling a steering wheel of an automobile according to claim 1, characterized in that: The positioning bolt (5) is arranged on the left and right sides of the butterfly bolt (3) in pairs, and the second gasket (7) is arranged below the first gasket (6).
4. The auxiliary tool for disassembling a steering wheel of an automobile according to claim 1, characterized in that: The diameter of the butterfly bolt (3) is greater than the inner diameter of the inner thread (12), and the length of the butterfly bolt (3) is greater than the thickness of the cone hole (10) of the steering wheel body (9), the tool block (1) and the threaded seat (4).
5. The auxiliary tool for disassembling a steering wheel of an automobile according to claim 1, characterized in that: The protection assembly (15) is arranged below the tool block (1), the protection assembly (15) comprises a fixed plate (151), a rubber layer (152) and a fixed rod (153), the fixed rod (153) is fixedly connected in the tool block (1), the fixed plate (151) is fixedly connected on one side of the fixed rod (153), the rubber layer (152) is fixedly connected on the outer side of the fixed plate (151), and the rubber layer (152) is tightly attached to the tool block (1).