High-compatibility flange plate structure for EPS electronic control unit test bench
By designing a high-compatibility flange structure suitable for multiple EPS electronic control units, the problem of lack of compatibility and versatility of the existing flange structure is solved, and higher convenience and economy are achieved.
Patent Information
- Application Number
- CN202421350143.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The existing flange structure lacks compatibility and versatility, and cannot be adapted to EPS electronic control units of different series and specifications, resulting in the laboratory needing to hold a large number of flanges to meet the testing needs, reducing convenience and economy.
A highly compatible flange structure is designed, including disc-shaped flanges, through holes, floral grooves, arc-shaped through grooves and uniform threaded holes. Through the design of these structures, it can be adapted to most commonly used The electrical control unit of the project.
Improves the compatibility and versatility of the flange, simplifies the operation of the electronic control unit bench test, reduces the operating costs of the laboratory, and improves space utilization.
Smart Images

Figure CN222458149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steering systems, in particular to a high-compatibility flange structure used for an EPS electronic control unit test bench. Background Art
[0002] The electronic control unit of the electric power steering system of the car is the core of the entire steering system, which is mainly composed of the motor and ECU. The testing, verification and calibration of this product on the bench is a necessary part of its development process. Its axial connection with the load motor requires a set of tooling, among which the flange structure that plays a role in fixing and positioning is very important.
[0003] The existing flange is usually designed for the mechanical structure of a certain EPS electronic control unit, such as Figure 1 , Figure 2 As shown, it is only applicable to a certain motor output terminal size and threaded hole distribution position, and lacks compatibility and versatility.
[0004] At present, due to the differences in the mechanical structures of different series of products such as EPS-dp and EPS-apa, as well as different specifications and suppliers of electronic control units, laboratories usually need to hold several or even dozens of flanges to meet daily testing needs. Holding a large number of flanges reduces the convenience and economy of testing. Summary of the invention
[0005] In order to overcome the deficiencies of the prior art, the utility model provides a high-compatibility flange structure for an EPS electronic control unit test bench, optimizes the existing flange structure so that it can adapt to the electronic control units of most currently commonly used projects, improves its compatibility and versatility, and improves the convenience and economy of the current electronic control unit bench test.
[0006] To achieve the above-mentioned purpose, a highly compatible flange structure for an EPS electronic control unit test bench is designed, including a flange, characterized in that: the flange is a disc-shaped structure, a through hole is provided in the middle of the flange, flower-shaped grooves are respectively provided on the front and rear end surfaces of the middle of the flange, and a plurality of arc-shaped through grooves are respectively provided on the outer edges of the flower-shaped grooves; and a plurality of threaded holes are evenly distributed on the flange.
[0007] There are three arc-shaped through grooves, and the three arc-shaped through grooves are evenly distributed on the outer circle side of the through hole.
[0008] Grooves are respectively arranged at the outer edges of the front and rear end surfaces of the flange.
[0009] The flange is connected to the motor via a plurality of bolts.
[0010] The end surface of the motor is provided with a plurality of first threaded holes of the motor, and a plurality of bolts penetrate the arc-shaped through grooves of the flange and are connected with the first threaded holes of the motor.
[0011] A plurality of second threaded holes of the motor are arranged on the outer side of the motor, and a plurality of bolts penetrate the arc-shaped through grooves of the flange and are connected with the second threaded holes of the motor.
[0012] Compared with the prior art, the utility model provides a high-compatibility flange structure for an EPS electronic control unit test bench, optimizes the existing flange structure so that it can adapt to the electronic control units of most commonly used projects, improves its compatibility and versatility, and improves the convenience and economy of current electronic control unit bench testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 , Figure 2 This is a schematic diagram of the existing flange structure.
[0014] Figure 3 This is a schematic diagram of the flange structure of the utility model.
[0015] Figure 4 This is the front view of the flange structure of the utility model.
[0016] Figure 5 This is a cross-sectional view of the flange structure of the utility model.
[0017] Figure 6 This is a schematic diagram of the connection between the flange structure of the utility model and the EPS-apa series products.
[0018] Figure 7 for Figure 6 Exploded diagram.
[0019] Figure 8 This is a schematic diagram of the connection between the flange structure of the utility model and the EPS-dp series products.
[0020] Fig. 9 for Figure 8 Exploded diagram. DETAILED DESCRIPTION
[0021] The utility model is further described below with reference to the accompanying drawings.
[0022] like Figures 3 to 5 As shown, the flange 1 is a disc-shaped structure, with a through hole 1.1 in the middle of the flange 1, flower-shaped grooves are respectively provided on the front and rear end surfaces in the middle of the flange 1, and a plurality of arc-shaped through grooves 1.2 are respectively provided on the outer edges of the flower-shaped grooves; a plurality of threaded holes 1.3 are evenly distributed on the flange 1.
[0023] There are three arc-shaped through grooves 1.2, and the three arc-shaped through grooves 1.2 are evenly distributed on the outer circumference side of the through hole 1.1.
[0024] Grooves 1.4 are respectively provided at the outer edges of the front and rear end surfaces of the flange 1.
[0025] The flange 1 is connected to the motor 2 via a plurality of bolts 3 .
[0026] The end surface of the motor 2 is provided with a plurality of motor first threaded holes 2.1, and a plurality of bolts 3 pass through the arc-shaped through grooves 1.2 of the flange 1 and are connected with the motor first threaded holes 2.1.
[0027] A plurality of motor second threaded holes 2.2 are disposed on the outer side of the motor 2, and a plurality of bolts 3 penetrate through the arc-shaped through grooves 1.2 of the flange 1 and are connected to the motor second threaded holes 2.2.
[0028] The utility model has a through hole 1.1 and a flower-shaped groove on the flange to replace Figure 1 , Figure 2 The center hole is compatible with both series of products; it is replaced by a three-section arc groove 1.2 Figure 2 The three through holes shown are to be compatible with the EPS-apa series of products with threaded holes distributed at different positions around the circumference for different projects.
[0029] Two pairs of threaded holes 1.3 of different sizes and 180 degrees of center symmetry are opened on the flange to be compatible with two products of different projects of the EPS-dp series.
[0030] For EPS-apa series products, such as Figure 6 , Figure 7 As shown, the bolt 3 is connected to the motor first threaded hole 2.1 on the motor 2 through the arc-shaped through groove 1.2 on the flange 1 and clamped on the bottom plane of the middle flower-shaped groove of the flange 1. A gasket of appropriate size can be used to make the clamping stable and reliable; the boss on the upper end face of the motor 2 is clearance-matched with the through hole 1.1 on the flange 1.
[0031] For EPS-dp series products, such as Figure 8 , Fig. 9 As shown, the flange 1 is connected to the lug on the motor 2 by means of bolts 3, that is, the bolts 3 pass through the second threaded holes 2.2 on the lug and are connected to the threaded holes 1.3 on the flange 1; the boss on the motor 2 is clearance-matched with the three-section arc-shaped through grooves 1.2 on the flange 1.
[0032] Compared with the original single structure, the utility model has better compatibility and versatility; compared with the operation of the original structure that requires one-to-one correspondence between threaded holes, the utility model improves convenience; reduces the operating cost of the laboratory; and improves the space utilization rate of the laboratory.
Claims
1. A high-compatibility flange structure for an EPS electronic control unit test bench, comprising a flange, characterized in that: The flange (1) is a disc-shaped structure. A through hole (1.1) is provided in the middle of the flange (1). Flower-shaped grooves are provided on the front and rear end surfaces of the middle of the flange (1). A plurality of arc-shaped through grooves (1.2) are provided on the outer edges of the flower-shaped grooves. A plurality of threaded holes (1.3) are evenly distributed on the flange (1).
2. The high-compatibility flange structure for an EPS electronic control unit test bench according to claim 1, characterized in that: There are three arc-shaped through grooves (1.2), and the three arc-shaped through grooves (1.2) are evenly distributed on the outer circumferential side of the through hole (1.1).
3. The high-compatibility flange structure for an EPS electronic control unit test bench according to claim 1, characterized in that: Grooves (1.4) are respectively provided at the outer edges of the front and rear end surfaces of the flange (1).
4. The high-compatibility flange structure for an EPS electronic control unit test bench according to claim 1, characterized in that: The flange (1) is connected to the motor (2) via a plurality of bolts (3).
5. The high-compatibility flange structure for an EPS electronic control unit test bench according to claim 4, characterized in that: The end surface of the motor (2) is provided with a plurality of motor first threaded holes (2.1), and a plurality of bolts (3) penetrate the arc-shaped through grooves (1.2) of the flange (1) and are connected to the motor first threaded holes (2.1).
6. The high-compatibility flange structure for an EPS electronic control unit test bench according to claim 4, characterized in that: A plurality of motor second threaded holes (2.2) are provided on the outer side of the motor (2), and a plurality of bolts (3) penetrate the arc-shaped through grooves (1.2) of the flange (1) and are connected to the motor second threaded holes (2.2).