A steering wheel control system
By setting up fuel parts and oil injection nozzles inside the universal joint of the steering wheel control system and using protective cover to protect the fuel parts, the problems of unsmooth power transmission of the universal joint and lubricating oil leakage are solved, achieving more efficient steering wheel steering and higher driving safety.
Patent Information
- Application Number
- CN202421631072.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In the existing steering wheel control system, the universal joint can easily lead to poor power transmission during long-term use, which increases the steering wheel's steering difficulty. At the same time, the movable pull rod is easily affected by bumps and causes lubricant leakage, affecting driving safety.
A steering wheel control system is designed to inject lubricating oil into the cross shaft by setting up a refueling piece and an oil injection nozzle inside the universal joint, and the oil injection nozzle is closed with an oil seal. The protective cover is rotatably connected to the cross shaft to protect the refueling piece and avoid lubricating oil leakage.
It effectively solves the problems of unsmooth power transmission of universal joints and lubricating oil leakage, extends the service life of universal joints, and improves the convenience of steering wheel and driving safety.
Smart Images

Figure CN222713562U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steering wheel control, in particular to a steering wheel control system. Background Art
[0002] The steering wheel control system, also known as the driving controller or wheel controller, is a kind of automotive electronic equipment whose main function is to convert the steering wheel rotation operated by the driver into the driving direction of the vehicle.
[0003] Universal joints are required in automobile steering systems to change the direction of power transmission. However, during long-term use of the universal joints, especially when metal parts are used to connect the universal joints, power transmission may not be smooth, which may make steering the steering wheel difficult. The comparative document CN208897144U increases the potential energy of the lubricating oil at the bottom of the chute by arranging a chute, a nozzle and a spray hole inside the oil storage tank and limiting the shape of the chute so as to spray it from the nozzle and the spray hole to lubricate the first movable pin and the second movable pin. However, the movable pull rod is exposed to the outside and protrudes, and is easily displaced when the car is bumped during driving, thereby causing lubricating oil leakage and affecting the driving safety of the car. Utility Model Content
[0004] The purpose of the utility model is to provide a steering wheel control system to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a steering wheel control system, comprising a steering wheel, and further comprising:
[0006] A steering shaft is arranged outside the steering wheel, a universal joint is arranged outside the steering shaft, a steering gear is arranged outside the universal joint, and connecting sleeves for connecting equipment are arranged on both sides of the universal joint;
[0007] An oil filling piece is arranged inside the universal joint for filling oil, and a protective cover is arranged on the outer side of the universal joint to protect the oil filling piece.
[0008] Preferably, the universal joint comprises a universal joint fork, a cross shaft is arranged inside the universal joint fork, a needle roller is arranged outside the cross shaft, and a needle roller bearing sleeve is arranged outside the needle roller.
[0009] Preferably, the oiling member comprises an oiling nozzle arranged on the outside of the cross shaft, and an oil sealing cover is arranged on the outside of the oiling nozzle.
[0010] Preferably, the connecting sleeve is arranged on the outside of the universal joint fork, and a fixing bolt is arranged inside the connecting sleeve.
[0011] Preferably, a threaded sleeve is provided on the outer side of the protective cover, and a threaded wire is provided on the inner wall of the cross shaft.
[0012] Preferably, an oil seal ring is arranged on the outer side of the cross shaft, and the oil seal ring sleeve is arranged on the outer side of the needle roller.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] The utility model injects lubricating oil into the interior of the cross shaft through an oiling nozzle. After the filling is completed, the oiling nozzle is closed by an oil sealing cap, and then the threaded sleeve on the protective cover is rotatably connected to the threaded wire inside the cross shaft, so that the protective cover is installed on the cross shaft, and the oiling part is protected inside to prevent it from being damaged by collision and causing leakage of lubricating oil. The protective cover is flush with the outer side of the cross shaft and will not affect the normal use of the universal joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic diagram of the structure of the steering wheel control system provided by the utility model;
[0016] Figure 2 A schematic diagram of the connection structure of the universal joint and the connecting sleeve provided by the utility model;
[0017] Figure 3 A schematic diagram of the cross shaft structure provided by the utility model;
[0018] Figure 4 This is a schematic diagram of the universal joint structure provided by the utility model.
[0019] In the figure: 1. Steering wheel; 2. Steering shaft; 3. Universal joint; 301. Universal joint fork; 302. Cross shaft; 303. Needle roller; 304. Needle roller bearing sleeve; 4. Steering gear; 5. Refueling parts; 501. Oiling nozzle; 502. Oil seal cap; 6. Protective cover; 7. Thread; 8. Oil seal ring; 9. Connecting sleeve. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4As shown, a steering wheel control system includes a steering wheel 1, and also includes: a steering shaft 2 arranged on the outside of the steering wheel 1, the steering shaft 2 is installed on the outside of the steering wheel 1, and the steering shaft 2 can be driven to rotate by the steering wheel 1, a universal joint 3 is arranged on the outside of the steering shaft 2, a steering gear 4 is arranged on the outside of the universal joint 3, and the steering gear 4 is connected to the steering shaft 2 by using the universal joint 3; connecting sleeves 9 of connecting equipment are arranged on both sides of the universal joint 3, and the universal joint 3 is connected to the steering shaft 2 and the steering gear 4 by using the connecting sleeve 9; a refueling piece 5 for oiling is arranged inside the universal joint 3, and lubricating oil is added to the inside of the universal joint 3 by the refueling piece 5 to improve the working efficiency of the universal joint 3, and a protective cover 6 for protecting the refueling piece 5 is arranged on the outside of the universal joint 3, and the protective cover 6 is used to protect the refueling piece 5 to prevent it from being damaged and causing lubricating oil leakage.
[0022] The universal joint 3 includes a universal joint fork 301, a cross shaft 302 is arranged inside the universal joint fork 301, a needle roller 303 is arranged on the outer side of the cross shaft 302, the cross shaft 302 is connected to the universal joint fork 301 through the needle roller 303, a needle roller bearing sleeve 304 is arranged on the outer side of the needle roller 303, and the needle roller bearing sleeve 304 is installed on the outer side of the needle roller 303. The structure mentioned in the universal joint 3 in this application is only a part of it, which is the structure required to be used in this application, and the universal joint 3 is an existing mature technology, and its working principle will not be repeated here.
[0023] The oiling member 5 includes an oiling nozzle 501 disposed on the outside of the cross shaft 302, an oil sealing cap 502 is disposed on the outside of the oiling nozzle 501, and the oil sealing cap 502 is threadedly connected to the outside of the oiling nozzle 501 to strengthen the sealing of the oiling nozzle 501. The oiling nozzle 501 is welded in the groove of the cross shaft 302 and is not exposed to the outside, so as not to have any effect on the use of the universal joint 3. Lubricating oil can be added to the universal joint 3 through the oiling nozzle 501 to extend the service life of the universal joint 3.
[0024] The connecting sleeve 9 is arranged on the outside of the universal joint fork 301, and a fixing bolt is arranged inside the connecting sleeve 9. The connecting sleeve 9 is welded on the universal joint fork 301 and is used to connect and fix the universal joint fork 301 to the connecting shaft.
[0025] A threaded sleeve is provided on the outer side of the protective cover 6, and a threaded wire 7 is provided on the inner wall of the cross shaft 302. The threaded sleeve on the protective cover 6 is rotatably connected to the threaded wire 7 inside the cross shaft 302, so that the protective cover 6 is installed on the cross shaft 302, and the refueling part 5 is protected inside to prevent it from being damaged by collision and causing leakage of lubricating oil. The protective cover 6 is flush with the outer side of the cross shaft 302 and will not affect the normal use of the universal joint 3.
[0026] An oil seal ring 8 is provided on the outer side of the cross shaft 302, and the oil seal ring 8 is sleeved on the outer side of the needle roller 303. The cross shaft 302 is used to seal the connection between the needle roller 303 and the cross shaft 302 to prevent the lubricating oil from overflowing.
[0027] Working principle: When filling lubricating oil into the universal joint 3, open the oil seal cap 502 and inject lubricating oil into the inside of the cross shaft 302 through the oiling nozzle 501. After the filling is completed, close the oiling nozzle 501 with the oil seal cap 502, and then rotate the threaded sleeve on the protective cover 6 to connect it to the threaded wire 7 inside the cross shaft 302, so that the protective cover 6 is installed on the cross shaft 302 to protect the refueling part 5 inside to prevent it from being damaged by collision and causing leakage of lubricating oil. The protective cover 6 is flush with the outer side of the cross shaft 302 and will not affect the normal use of the universal joint 3.
[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A steering wheel control system, comprising a steering wheel (1), characterized in that: Also includes: A steering shaft (2) is arranged outside the steering wheel (1), a universal joint (3) is arranged outside the steering shaft (2), a steering gear (4) is arranged outside the universal joint (3), and connecting sleeves (9) of connecting equipment are arranged on both sides of the universal joint (3); An oil filling piece (5) for filling oil is arranged inside the universal joint (3), and a protective cover (6) for protecting the oil filling piece (5) is arranged on the outside of the universal joint (3).
2. A steering wheel control system according to claim 1, characterized in that: The universal joint (3) comprises a universal joint fork (301), a cross shaft (302) is arranged inside the universal joint fork (301), a needle roller (303) is arranged outside the cross shaft (302), and a needle roller bearing sleeve (304) is arranged outside the needle roller (303).
3. A steering wheel control system according to claim 2, characterized in that: The oiling member (5) comprises an oiling nozzle (501) arranged on the outside of the cross shaft (302), and an oil sealing cover (502) is arranged on the outside of the oiling nozzle (501).
4. A steering wheel control system according to claim 2, characterized in that: The connecting sleeve (9) is arranged on the outside of the universal joint fork (301), and a fixing bolt is arranged inside the connecting sleeve.
5. A steering wheel control system according to claim 2, characterized in that: A threaded sleeve is provided on the outer side of the protective cover (6), and a threaded filament (7) is provided on the inner wall of the cross shaft (302).
6. A steering wheel control system according to claim 2, characterized in that: An oil seal ring (8) is arranged on the outer side of the cross shaft (302), and the oil seal ring (8) is sleeved on the outer side of the needle roller (303).
Citation Information
Patent Citations
Rotation control system for steering wheel
CN208897144U