Steering gear shell compatible with drive-by-wire, redundant and non-redundant sensors
By designing a steering gear housing that is compatible with both drive-by-wire and redundant and non-redundant sensors, the problem of requiring three sets of molds in existing technologies has been solved, resulting in a significant reduction in housing mold development costs and an improvement in production economics.
Patent Information
- Application Number
- CN202520421424.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-12
AI Technical Summary
In the existing technology, the electric power steering gear housing requires the design of three sets of molds for different types of sensors, resulting in high development costs and long development cycles.
Design a steering gear housing compatible with drive-by-wire, redundant and non-redundant sensors. By setting multiple anti-rotation structures and snap-fit mounting slots inside the housing, a single housing mold can be adapted to accommodate three types of sensors.
This significantly reduced the cost of shell mold development, saving more than 60% of the mold opening cost, and improved the borrowing ability and production economy between projects.
Smart Images
Figure CN223720995U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a steering system technical field, concretely is a kind of steering gear housing that can be compatible with line control, redundancy, non-redundant sensor. BACKGROUND
[0002] A set of housing molds in electric power-assisted lower steering gear is generally adapted to one type sensor, and the sensor is arranged in the housing. When a vehicle model needs three types of EPS configurations (line control, redundancy, non-redundancy), three types of sensors are generally selected, and because the sensor design principles are different, their shapes, sizes and connection modes with the housing are different. Therefore, three different steering gear structure designs are generally required, three sets of housing molds are needed, the labor and manufacturing costs are large, and the EPS development and test verification period is long. SUMMARY
[0003] The utility model provides a kind of steering gear housing that can be compatible with line control, redundancy, non-redundant sensor to overcome the deficiency of prior art, avoid the development of three sets of housing molds for different steering gear configurations of a vehicle model, and a set of housing scheme can be compatible with line control, redundancy and non-redundant sensor schemes, thereby saving housing mold development costs and achieving good economic benefits.
[0004] To achieve the above object, a steering gear housing that can be compatible with line control, redundancy and non-redundant sensor is designed, which comprises a steering gear housing, characterized in that: a line control sensor anti-rotation structure is connected to one side of the interior of the steering gear housing, and the top of the line control sensor anti-rotation structure is connected to a redundancy sensor anti-rotation structure; a non-redundant sensor anti-rotation structure is connected to the other side of the interior of the steering gear housing; and a wire harness mounting hole is provided on the steering gear housing on one side of the line control sensor anti-rotation structure.
[0005] The line control sensor anti-rotation structure is a U-shaped module structure; the bottom of the line control sensor anti-rotation structure is connected to the inner bottom surface of the steering gear housing, the arc closed end of the line control sensor anti-rotation structure is connected to the inner side surface of the steering gear housing, and a line control sensor buckle mounting groove is provided on the inner side surface at the opening of the line control sensor anti-rotation structure.
[0006] The line control sensor buckle mounting groove is located on the upper inner side of the opening of the line control sensor anti-rotation structure, and the line control sensor buckle mounting groove is an L-shaped square groove structure.
[0007] The redundancy sensor anti-rotation structure is a U-shaped module structure; the bottom of the redundancy sensor anti-rotation structure is connected to the top of the line control sensor anti-rotation structure, the arc closed end of the redundancy sensor anti-rotation structure is connected to the inner side surface of the steering gear housing, and a redundancy sensor buckle mounting groove is provided on the inner side surface at the opening of the redundancy sensor anti-rotation structure.
[0008] The redundant sensor buckle mounting groove is located at the inner upper position of the opening of the redundant sensor anti-rotation structure, and is an arc-shaped groove structure.
[0009] The opening width of the redundant sensor anti-rotation structure is consistent with the opening width of the drive-by-wire sensor anti-rotation structure, the opening depth of the redundant sensor anti-rotation structure is smaller than the opening depth of the drive-by-wire sensor anti-rotation structure, and the top of the redundant sensor anti-rotation structure is lower than the top opening of the steering machine shell.
[0010] The non-redundant sensor anti-rotation structure is composed of two rectangular modules, the bottom of the rectangular module is connected with the inner bottom surface of the steering machine shell, the back surface of the rectangular module is connected with the inner surface of the steering machine shell, and a redundant sensor avoiding groove is arranged at the upper front surface of the rectangular module.
[0011] Compared with the prior art, the steering machine shell can be compatible with drive-by-wire, redundant and non-redundant sensors, the development of three sets of shell molds for different steering machines of one vehicle model is avoided, one set of shell scheme can be compatible with drive-by-wire, redundant and non-redundant sensor schemes, thereby the shell mold development cost is saved, and good economic benefits are obtained.
[0012] The steering machine shell only needs to develop one set of shell mold, can be compatible with drive-by-wire, redundant and non-redundant sensor schemes, is platformized, has strong borrowing between projects, reduces the shell mold development cost, and after the service life of one set of shell mold ends, the production cost is lower than that of separately opening three sets of shell molds, production economy is better, and the shell mold opening cost of a single EPS project is reduced by more than 60%. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic view of the cooperation of the existing redundant sensor and the shell.
[0014] Figure 2 It is a structural schematic view of the shell of the utility model.
[0015] Figure 3 It is an enlarged schematic view of the drive-by-wire sensor anti-rotation structure and the redundant sensor anti-rotation structure in the shell of the utility model.
[0016] Figure 4 It is a schematic view of the cooperation of the shell and the drive-by-wire sensor.
[0017] Figure 5 It is a schematic view of the cooperation of the shell and the redundant sensor.
[0018] Figure 6 It is an enlarged schematic view of the non-redundant sensor anti-rotation structure in the shell of the utility model.
[0019] Figure 7The shell is matched with a non-redundant sensor. DETAILED DESCRIPTION
[0020] The utility model makes further explanation below according to the drawing.
[0021] As Figure 2 Shown, a kind of steering gear shell that can be compatible with drive-by-wire, redundancy, non-redundant sensor, including steering gear shell, located drive-by-wire sensor anti-rotation structure 2 in steering gear shell 1 inside one side connection, the top of drive-by-wire sensor anti-rotation structure 2 is connected with redundancy sensor anti-rotation structure 3;Located non-redundant sensor anti-rotation structure 4 in steering gear shell 1 inside other side connection;Drive-by-wire sensor anti-rotation structure 2 side of steering gear shell 1 is equipped with wire harness mounting hole 5.
[0022] As Figure 3 Shown, drive-by-wire sensor anti-rotation structure 2 is U-shaped module structure;The bottom of drive-by-wire sensor anti-rotation structure 2 is connected with the inside bottom surface of steering gear shell 1, the arc closed end of drive-by-wire sensor anti-rotation structure 2 is connected with the inside surface of steering gear shell 1, and wire harness buckle mounting groove 2-1 is arranged on the inside surface at the opening of drive-by-wire sensor anti-rotation structure 2.
[0023] Drive-by-wire sensor buckle mounting groove 2-1 is located on the upper position of the inside at the opening of drive-by-wire sensor anti-rotation structure 2, and drive-by-wire sensor buckle mounting groove 2-1 is L-shaped square groove structure.
[0024] As Figure 4 Shown, when installing drive-by-wire sensor 6, drive-by-wire sensor buckle 6-1 is clamped at drive-by-wire sensor buckle mounting groove 2-1 of drive-by-wire sensor anti-rotation structure 2, to limit the rotation of the shell of drive-by-wire sensor 6.
[0025] As Figure 3 Shown, redundancy sensor anti-rotation structure 3 is U-shaped module structure;The bottom of redundancy sensor anti-rotation structure 3 is connected with the top of drive-by-wire sensor anti-rotation structure 2, the arc closed end of redundancy sensor anti-rotation structure 3 is connected with the inside surface of steering gear shell 1, and redundancy sensor buckle mounting groove 3-1 is arranged on the inside surface at the opening of redundancy sensor anti-rotation structure 3.
[0026] Redundancy sensor buckle mounting groove 3-1 is located on the upper position of the inside at the opening of redundancy sensor anti-rotation structure 3, and redundancy sensor buckle mounting groove 3-1 is arc groove structure.
[0027] The opening width of redundancy sensor anti-rotation structure 3 is consistent with the opening width of drive-by-wire sensor anti-rotation structure 2, the opening depth of redundancy sensor anti-rotation structure 3 is less than the opening depth of drive-by-wire sensor anti-rotation structure 2;And the top of redundancy sensor anti-rotation structure 3 is lower than the top opening of steering gear shell 1.
[0028] As Figure 5 As shown in the installation of redundant sensor 8, redundant sensor buckle 8-1 is buckled at redundant sensor buckle installation slot 3-1 of redundant sensor anti-rotation structure 3, and rotation of redundant sensor 8 shell is limited.
[0029] As Figure 6 As shown, non-redundant sensor anti-rotation structure 4 is composed of two rectangular modules 4-1, the bottom of rectangular module 4-1 is connected with the inside bottom surface of steering machine shell 1, the back of rectangular module 4-1 is connected with the inside surface of steering machine shell 1, and redundant sensor avoiding slot 4-2 is arranged on the front upper part of rectangular module 4-1.
[0030] As Figure 7 As shown in the installation of non-redundant sensor 9, non-redundant sensor buckle 9-1 is buckled at non-redundant sensor buckle installation slot 4-1 of non-redundant sensor anti-rotation structure 4, and rotation of non-redundant sensor buckle 9-1 shell is limited.
[0031] Wire harness assembly 7 of drive-by-wire sensor 6, redundant sensor 8 and non-redundant sensor 9 is assembled through wire harness installation hole 5 of steering machine shell 1.
[0032] The steering machine shell structure designed by the utility model only needs to develop a set of shell mold, and can adapt to three kinds of sensor schemes of drive-by-wire, redundancy and non-redundancy, is designed in a platform mode, has strong borrowing between projects, reduces shell mold development cost, after the service life of a set of shell mold ends, the cost of making a copy mold is lower than that of opening three sets of shell molds alone, production economy is better, and the shell mold opening cost of a single EPS project is reduced by more than 60%.
Claims
1. A steering gear housing that can be compatible with drive-by-wire, redundant, non-redundant sensors, comprising a steering gear housing, characterized by: A line control sensor anti-rotation structure (2) is connected to one side of the inside of the steering machine shell (1), and the top of the line control sensor anti-rotation structure (2) is connected to a redundant sensor anti-rotation structure (3); a non-redundant sensor anti-rotation structure (4) is connected to the other side of the inside of the steering machine shell (1); and a wire harness mounting hole (5) is arranged on the steering machine shell (1) on one side of the line control sensor anti-rotation structure (2).
2. The steering gear housing compatible with drive-by-wire, redundant, non-redundant sensors according to claim 1, characterized in that: The line control sensor anti-rotation structure (2) is a U-shaped module structure; the bottom of the line control sensor anti-rotation structure (2) is connected to the inside bottom surface of the steering machine shell (1), the arc closed end of the line control sensor anti-rotation structure (2) is connected to the inside surface of the steering machine shell (1), and a line control sensor buckle mounting groove (2-1) is arranged on the inside surface at the opening of the line control sensor anti-rotation structure (2).
3. The steering gear housing compatible with drive-by-wire, redundant, non-redundant sensors according to claim 2, characterized in that: The line control sensor buckle mounting groove (2-1) is located on the upper part of the inside at the opening of the line control sensor anti-rotation structure (2), and the line control sensor buckle mounting groove (2-1) is an L-shaped square groove structure.
4. The steering gear housing compatible with drive-by-wire, redundant, non-redundant sensors according to claim 1, characterized in that: The redundant sensor anti-rotation structure (3) is a U-shaped module structure; the bottom of the redundant sensor anti-rotation structure (3) is connected to the top of the line control sensor anti-rotation structure (2), the arc closed end of the redundant sensor anti-rotation structure (3) is connected to the inside surface of the steering machine shell (1), and a redundant sensor buckle mounting groove (3-1) is arranged on the inside surface at the opening of the redundant sensor anti-rotation structure (3).
5. The steering gear housing compatible with drive-by-wire, redundant, non-redundant sensors according to claim 4, characterized in that: The redundant sensor buckle mounting groove (3-1) is located on the upper part of the inside at the opening of the redundant sensor anti-rotation structure (3), and the redundant sensor buckle mounting groove (3-1) is an arc groove structure.
6. The steering gear housing compatible with drive-by-wire, redundant, non-redundant sensors according to claim 4 or 5, characterized in that: The opening width of the redundant sensor anti-rotation structure (3) is consistent with the opening width of the line control sensor anti-rotation structure (2), the opening depth of the redundant sensor anti-rotation structure (3) is smaller than the opening depth of the line control sensor anti-rotation structure (2); and the top of the redundant sensor anti-rotation structure (3) is lower than the top opening of the steering machine shell (1).
7. The steering gear housing compatible with drive-by-wire, redundant, non-redundant sensors according to claim 1, wherein: The non-redundant sensor anti-rotation structure (4) is composed of two rectangular modules (4-1), the bottom of the rectangular module (4-1) is connected to the inside bottom surface of the steering machine shell (1), the back surface of the rectangular module (4-1) is connected to the inside surface of the steering machine shell (1), and a redundant sensor avoiding groove (4-2) is arranged on the front surface of the rectangular module (4-1).