Wear-resistant power-assisted steering gear blade

By introducing limiting components and magnetically connected blade designs into the power steering blades, the problems of blade wear and low maintenance efficiency are solved, achieving wear resistance and quick replacement of the blades, ensuring the normal operation and efficient maintenance of the power steering system.

CN224107412UActive Publication Date: 2026-04-10ZHEJIANG SOUTHWEST TOOLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing power steering blades wear out severely after long-term use, resulting in gaps between the blades and the stator, which affects the normal operation of the power steering. At the same time, the bolt installation process during maintenance is time-consuming and labor-intensive, requires tools, and is inefficient.

Method used

A wear-resistant power steering blade is designed. By setting a limiting component and a magnetically connected blade assembly on the rotor, the blade can be quickly replaced and fixed using a limiting spring and a magnetic adsorption block, reducing wear and simplifying the maintenance process.

Benefits of technology

It effectively reduces blade wear, ensures the normal operation of the power steering system, and enables tool-less quick blade replacement through magnetic connection, improving maintenance efficiency and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steering gear blades, in particular to a wear-resistant power-assisted steering gear blade which comprises a steering gear pump body, and a stator is arranged on the inner wall of the steering gear pump body. Thrust is applied to the top plate through the limiting spring, so that the top plate receives the thrust to transversely move towards one side, the top plate further applies thrust to the inner blade, the inner blade moves outwards on the inner wall of the mounting groove, and then the inner blade drives the outer blade to be attached to the surface of the stator. The outer blades are inserted into the limiting sliding grooves through the limiting sliding blocks, the limiting sliding grooves limit the outer blades, when the outer blades are completely inserted into and pulled out of the outer walls of the inner blades, the magnetic fixing blocks and the magnetic adsorption blocks of the outer blades can generate magnetic fixation, and then the blade assembly is inserted into the inner walls of the mounting grooves; wherein the outer blades and the inner blades are limited through the mounting grooves, the blades are easy to maintain and replace, other instruments are not needed, and more time and labor are saved when the blades are maintained on a large scale.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diverter vane, concretely is a wear -resisting power assisted steering gear vane. BACKGROUND

[0002] With the development of automobile industry, the improvement of people's comfort, safety requirement, the performance of automobile hydraulic steering system also puts forward higher requirement, now the automobile steering assist pump mainly comprises pump body, stator, rotor, vane, oil distribution disc, pump shaft, back cover etc., in the process of steering, needs through the rotor to drive the vane rotation, thereby pushes the oil to the stator and carries out the oiling, thereby drives the steering gear to work and completes the steering work of vehicle;

[0003] The existing power assisted steering gear vane will cause serious wear of the vane during long-term use, thereby causing a gap between the vane and the stator, so that the cavities cannot be completely separated, which will cause the problem that the power assisted steering gear cannot operate normally. For example, the prior art represented by the power assisted steering gear vane (publication number: CN217898173U) has the following problems: the installation groove is formed on both sides of the inner vane, and then the outer vane is arranged inside the two installation grooves. The screw is fixed through the first screw hole and the second screw hole in sequence, so that the single vane is divided into two parts, so that when the steering gear vane is severely worn and needs to be replaced, the personnel only need to replace the outer vane of the vane, and the inner vane is retained, so that the vane main body part material is retained, the resource consumption of replacing the vane is reduced, the use cost of the vane is reduced, and the problem of the prior art is effectively solved. However, its structure still needs to be improved, which is as follows:

[0004] In this scheme, the outer vane is arranged inside the two installation grooves, and the screw is fixed through the first screw hole and the second screw hole in sequence. Since the number of vanes is large, the screw installation process replacement step is time-consuming and laborious, and the screwdriver needs to be used for installation, which will cause low maintenance efficiency and poor practicability. Therefore, a wear-resistant power assisted steering gear vane is needed to improve the above problems. UTILITY MODEL CONTENTS

[0005] In order to solve the problem of low maintenance efficiency and poor practicability caused by the screw installation process replacement step when the power assisted steering gear vane is maintained and replaced, the utility model provides a wear-resistant power assisted steering gear vane to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a wear -resisting power assisted steering vane, including the vane pump body, be provided with the stator on the inner wall of vane pump body, one side of stator and located the inner wall of vane pump body rotates and is connected with the rotating shaft, the outer wall of rotating shaft is provided with the rotor, wherein the rotor is located in the inner chamber of stator, the outer wall of rotor is annular and is provided with the installation groove, one side of installation groove and located the inner wall of rotor is provided with the limiting slot, wherein limiting slot and installation groove are the intercommunication structure, the inner wall of limiting slot is provided with the limiting assembly, one side of limiting assembly and located the inner wall of installation groove is provided with the vane assembly.

[0008] As the preferred scheme of the utility model, the limiting assembly includes a mounting sleeve, the mounting sleeve is embeddedly installed on the inner wall of the limiting slot, wherein the mounting sleeve is provided with multiple groups and is respectively located on the inner wall of the limiting slot.

[0009] As the preferred scheme of the utility model, the inner wall of the mounting sleeve is provided with a limiting spring, one end of the limiting spring is provided with a top plate, the limiting spring is provided with multiple groups and is respectively located on the outer wall of the top plate.

[0010] As the preferred scheme of the utility model, the vane assembly includes an inner vane, the inner vane is plug-in connected on the inner wall of the installation groove, wherein the cross section of the inner vane is convex structure, the outer wall of the inner vane is symmetrically provided with a limiting sliding groove, the limiting sliding groove is plug-in installed with a limiting sliding block, one side of the limiting sliding groove and located on the outer wall of the inner vane is embeddedly installed with a magnetic adsorption block.

[0011] As the preferred scheme of the utility model, the outer wall of the limiting sliding block is provided with an outer vane, wherein the limiting sliding block is provided with multiple groups and is respectively located on the inner wall of the outer vane, and the connection mode of the outer vane and the inner vane is plug-in connection, the cross section of the outer vane is concave structure.

[0012] As the preferred scheme of the utility model, one side of the limiting sliding block and located on the inner wall of the outer vane is embeddedly installed with a magnetic fixing block, wherein the connection mode of the magnetic fixing block and the magnetic adsorption block is magnetic connection.

[0013] As the preferred scheme of the utility model, the installation groove is provided with multiple groups and is respectively located on the outer wall of the rotor, the limiting slot is provided with multiple groups and is respectively located on the inner wall of the rotor, the mounting sleeve is located on one side of the installation groove, and the top plate is located on one side of the inner vane.

[0014] As the preferred scheme of the utility model, the inner vane is provided with multiple groups and is respectively located on the inner wall of the installation groove, the connection mode of the installation groove and the inner vane is sliding connection, and the outer vane is located in the inner chamber of the installation groove, and the magnetic fixing block is located directly below the magnetic adsorption block.

[0015] Compared with the prior art, the utility model discloses a limiting assembly is arranged in the wear -resisting power assisted steering vane, can realize the extrusion of vane to the lateral, when the device long -time use wear, because the limiting spring is to the top plate and is pushed, will make the top plate receive the lateral movement of the push of one side, and then make the top plate push the inner vane, make the inner vane move to the outside on the inner wall of installation groove, and then make the inner vane drive the outer vane to adhere to the surface of stator, thereby solve the wear of vane is serious, and then make the gap between vane and stator, make the cavity between can not completely cut off, can lead to the problem of power assisted steering vane can not normally run.

[0016] The utility model discloses a vane assembly is arranged in the wear -resisting power assisted steering vane, can realize the quick replacement installation of outer vane, the new outer vane is inserted into the limiting sliding slot through the limiting sliding block, wherein the limiting sliding slot is limited to the outer vane, when the outer vane is completely inserted in the outer wall of inner vane, will make the magnetic fixed block and magnetic adsorption block of outer vane produce magnetic fixation, then insert the vane assembly on the inner wall of installation groove, wherein the installation groove is limited to the outer vane and inner vane, and the maintenance of vane is simple, need not to borrow other instruments, face the maintenance of large quantities of vane, be more time -saving and labor -saving, thereby solve the problem of the number of vane is more, when maintaining, the time -consuming and labor -intensive of bolt installation process replacement step, also need the installation of screwdriver, can lead to the low efficiency of maintenance, and the practicability is poor. DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the rotor structure schematic view of the utility model;

[0019] Figure 3 It is the rotor analytic structure schematic view of the utility model;

[0020] Figure 4 It is the vane assembly expansion structure schematic view of the utility model;

[0021] Figure 5 It is the A structure amplification schematic view of the utility model Figure 4 .

[0022] In the drawing: 1, the steering vane pump body;2, stator;3, the rotating shaft;4, rotor;5, installation groove;6, limiting groove;7, limiting assembly;701, installation sleeve;702, limiting spring;703, top plate;8, vane assembly;801, inner vane;802, limiting sliding slot;803, limiting sliding block;804, magnetic adsorption block;805, outer vane;806, magnetic fixed block. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. 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 of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Embodiment: Please refer to Figures 1-5 The wear-resistant power steering vane shown in the figure, including the steering pump body 1, the inner wall of the steering pump body 1 is provided with the stator 2, the stator 2 is rotatably connected with the rotating shaft 3 on one side and located on the inner wall of the steering pump body 1, the outer wall of the rotating shaft 3 is provided with the rotor 4, wherein the rotor 4 is located in the inner cavity of the stator 2, the outer wall of the rotor 4 is annularly provided with the installation groove 5, the limit groove 6 is provided on one side of the inner wall of the rotor 4, wherein the limit groove 6 and the installation groove 5 are in communication structure, the limit assembly 7 is arranged on the inner wall of the limit groove 6, the vane assembly 8 is arranged on one side of the inner wall of the installation groove 5.

[0025] In this embodiment, specific reference is made to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The limit assembly 7 includes the mounting sleeve 701, the mounting sleeve 701 is embeddedly installed on the inner wall of the limit groove 6, wherein the mounting sleeve 701 is provided with multiple groups and is located on the inner wall of the limit groove 6, the limit spring 702 is arranged on the inner wall of the mounting sleeve 701, one end of the limit spring 702 is provided with the top plate 703, the limit spring 702 is provided with multiple groups and is located on the outer wall of the top plate 703.

[0026] In this embodiment, specific reference is made to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The blade assembly 8 comprises an inner blade 801 which is plug-connected to the inner wall of the mounting groove 5, wherein the cross section of the inner blade 801 is convex structure, a limiting sliding groove 802 is symmetrically arranged on the outer wall of the inner blade 801, a limiting sliding block 803 is plug-connected to the inner wall of the limiting sliding groove 802, a magnetic adsorption block 804 is inlaidly arranged on one side of the limiting sliding groove 802 and located on the outer wall of the inner blade 801, and the outer blade 805 is arranged on the outer wall of the limiting sliding block 803, wherein the limiting sliding block 803 is provided with a plurality of groups and is respectively located on the inner wall of the outer blade 805, the connection mode of the outer blade 805 and the inner blade 801 is plug connection, the cross section of the outer blade 805 is concave structure, and the magnetic fixing block 806 is inlaidly arranged on one side of the limiting sliding block 803 and located on the inner wall of the outer blade 805, wherein the connection mode of the magnetic fixing block 806 and the magnetic adsorption block 804 is magnetic connection.

[0027] Wherein, the mounting groove 5 is provided with a plurality of groups and is respectively located on the outer wall of the rotor 4, the limiting groove 6 is provided with a plurality of groups and is respectively located on the inner wall of the rotor 4, the mounting sleeve 701 is located on one side of the mounting groove 5, the top plate 703 is located on one side of the inner blade 801, the inner blade 801 is provided with a plurality of groups and is respectively located on the inner wall of the mounting groove 5, the connection mode of the mounting groove 5 and the inner blade 801 is sliding connection, and the outer blade 805 is located in the inner cavity of the mounting groove 5, and the magnetic fixing block 806 is located directly below the magnetic adsorption block 804.

[0028] When the wear-resistant power steering vane works, the mounting sleeve 701 is inlaidly arranged on the inner wall of the limiting groove 6, wherein the mounting sleeve 701 is provided with a plurality of groups and is respectively located on the inner wall of the limiting groove 6, the limiting spring 702 is arranged on the inner wall of the mounting sleeve 701, one end of the limiting spring 702 is provided with the top plate 703, the limiting spring 702 is provided with a plurality of groups and is respectively located on the outer wall of the top plate 703, and when the rotating shaft 3 drives the rotor 4 to rotate, the rotor 4 drives the blade assembly 8 to rotate, wherein the blade assembly 8 is attached to the inner wall of the stator 2, when the device is used for a long time, due to the pushing force of the limiting spring 702 on the top plate 703, the top plate 703 moves laterally on one side under the pushing force, and then the top plate 703 applies a pushing force to the inner blade 801, so that the inner blade 801 moves outward on the inner wall of the mounting groove 5, and then the inner blade 801 drives the outer blade 805 to attach to the surface of the stator 2, thereby solving the problem that the blade is seriously worn, and then the gap between the blade and the stator is generated, so that the cavities cannot be completely separated, which causes the power steering vane to not work normally;

[0029] The outer wall of the inner blade 801 is symmetrically provided with a limiting sliding groove 802, the inner wall of the limiting sliding groove 802 is provided with a limiting sliding block 803 which is plug-in installed, one side of the limiting sliding groove 802 and located on the outer wall of the inner blade 801 is inlaid with a magnetic adsorption block 804, and the outer wall of the limiting sliding block 803 is provided with an outer blade 805, wherein the limiting sliding block 803 is provided with multiple groups and is located on the inner wall of the outer blade 805, when the device is replaced, only the outer blade 805 needs to be pulled, which can drive the limiting sliding block 803 to move outward, so that the limiting sliding block 803 slides outward on the inner wall of the limiting sliding groove 802, and the new outer blade 805 is inserted into the limiting sliding groove 802 through the limiting sliding block 803, wherein the limiting sliding groove 802 limits the outer blade 805, when the outer blade 805 is completely plug-in installed on the outer wall of the inner blade 801, the magnetic fixing block 806 of the outer blade 805 and the magnetic adsorption block 804 are magnetically fixed, then the blade assembly 8 is inserted into the inner wall of the mounting groove 5, wherein the mounting groove 5 limits the outer blade 805 and the inner blade 801, the maintenance and replacement of the blade are simple, and other instruments are not needed, when a large number of blades are maintained, time and labor are saved, thereby solving the problems that when the number of blades is large, the bolt installation process is time-consuming and laborious, and a screwdriver needs to be used for installation, which leads to low maintenance efficiency and poor practicability.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wear resistant power steering vane comprising a vane pump body (1) characterised in that: The inner wall of the diverter pump body (1) is provided with a stator (2), one side of the stator (2) and located on the inner wall of the diverter pump body (1) is rotatably connected with a rotating shaft (3), the outer wall of the rotating shaft (3) is provided with a rotor (4), wherein the rotor (4) is located in the inner cavity of the stator (2), the outer wall of the rotor (4) is annularly provided with a mounting groove (5), one side of the mounting groove (5) and located on the inner wall of the rotor (4) is provided with a limiting groove (6), wherein the limiting groove (6) and the mounting groove (5) are in communication structure, the inner wall of the limiting groove (6) is provided with a limiting assembly (7), one side of the limiting assembly (7) and located on the inner wall of the mounting groove (5) is provided with a blade assembly (8).

2. A wear resistant power steering vane as defined in claim 1, characterized in that: The limiting assembly (7) comprises a mounting sleeve (701), the mounting sleeve (701) is embeddedly installed on the inner wall of the limiting groove (6), wherein the mounting sleeve (701) is provided with a plurality of groups and is respectively located on the inner wall of the limiting groove (6).

3. A wear resistant power steering vane according to claim 2, wherein: The inner wall of the mounting sleeve (701) is provided with a limiting spring (702), one end of the limiting spring (702) is provided with a top plate (703), the limiting spring (702) is provided with a plurality of groups and is respectively located on the outer wall of the top plate (703).

4. A wear resistant power steering vane according to claim 3, wherein: The blade assembly (8) comprises an inner blade (801), the inner blade (801) is plug-in connected to the inner wall of the mounting groove (5), wherein the cross section of the inner blade (801) is convex structure, the outer wall of the inner blade (801) is symmetrically provided with a limiting sliding groove (802), the limiting sliding groove (802) is plug-in installed with a limiting sliding block (803) on the inner wall, the limiting sliding groove (802) is embeddedly installed with a magnetic adsorption block (804) on one side and the outer wall of the inner blade (801).

5. A wear resistant power steering vane according to claim 4, wherein: The outer wall of the limiting sliding block (803) is provided with an outer blade (805), wherein the limiting sliding block (803) is provided with a plurality of groups and is respectively located on the inner wall of the outer blade (805), and the connection mode of the outer blade (805) and the inner blade (801) is plug-in connection, the cross section of the outer blade (805) is concave structure.

6. A wear resistant power steering vane according to claim 5, wherein: One side of the limiting sliding block (803) and located on the inner wall of the outer blade (805) is embeddedly installed with a magnetic fixing block (806), wherein the connection mode of the magnetic fixing block (806) and the magnetic adsorption block (804) is magnetic connection.

7. A wear resistant power steering vane according to claim 6, characterised in that: The mounting groove (5) is provided with a plurality of groups and is respectively located on the outer wall of the rotor (4), the limiting groove (6) is provided with a plurality of groups and is respectively located on the inner wall of the rotor (4), the mounting sleeve (701) is located on one side of the mounting groove (5), and the top plate (703) is located on one side of the inner blade (801).

8. A wear resistant power steering vane according to claim 7, characterised in that: The inner blade (801) is provided with a plurality of groups and is respectively located on the inner wall of the mounting groove (5), the connection mode of the mounting groove (5) and the inner blade (801) is sliding connection, and the outer blade (805) is located in the inner cavity of the mounting groove (5), the magnetic fixing block (806) is located directly below the magnetic adsorption block (804).

Citation Information

Patent Citations

  • Wear-resistant power-assisted steering gear blade

    CN217898173U