Clamping device for EPS controller circuit board test

Abstract

The utility model discloses a clamping device used for EPS controller circuit board testing, and relates to the technical field of circuit board clamping, the device comprises a pedestal, a motor protection housing and a motor, one side of the pedestal is provided with a protection assembly used for protecting a driving device; a supporting assembly used for supporting the circuit device is arranged at the inner bottom of the base. A driving assembly used for driving the clamping device is arranged in the motor protection shell. The driving assembly comprises a motor, the motor is installed in a motor protection shell and located on one side of the base, the driving end of the motor is fixedly connected with a two-way lead screw, the outer wall of the two-way lead screw is in threaded connection with a limiting plate, the bottom of the limiting plate is fixedly connected with a first sliding groove, and a sliding block is arranged at the inner bottom of the base. The first sliding groove is in sliding connection with the sliding block. According to the circuit board clamping device, a circuit board to be tested can be conveniently and rapidly clamped, and the circuit board clamping device can be suitable for clamping different circuit boards.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board clamping technical field, specifically a kind of clamping device for EPS controller circuit board test. BACKGROUND

[0002] Electric power steering system (EPS) is a kind of power steering system relying on motor to provide auxiliary torque, its characteristics are with good return, system structure is compact and simple, installation operation is simple, and required installation space is small.EPS system can obtain optimal return by adjusting the software of controller, to improve the stability and comfort of automobile control.EPS controller is usually composed of controller, torque sensor, motor assembly and speed reducer, these components can be configured to the gear shaft of steering device, realize small and light and easily integrated installation characteristics;

[0003] At present, most of the EPS controller circuit boards on the market are fixed by welding method, which can effectively fix the circuit board, but when the circuit board needs to be replaced and repaired due to failure, it will bring great trouble to the workers, which is time-consuming and laborious.

[0004] Based on this, a clamping device for EPS controller circuit board test is provided, which can eliminate the disadvantages of existing devices. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of clamping device for EPS controller circuit board test to solve the problems in the background art.

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

[0007] A kind of clamping device for EPS controller circuit board test, including base, motor protection shell and motor, the side of the base is equipped with the protection component for driving device protection;

[0008] The inner bottom of the base is provided with support assembly for circuit device support;

[0009] The inside of the motor protection shell is provided with driving assembly for clamping device driving;

[0010] Driving assembly includes motor, the motor is installed in the inside of motor protection shell and located at the side of base, the driving end of the motor is fixedly connected with bidirectional screw rod, the outer wall of the bidirectional screw rod is threadedly connected with limit plate, the bottom of the limit plate is fixedly connected with sliding block, the inner bottom of the base is provided with first sliding groove, the sliding block and first sliding groove are in sliding connection, the side of the limit plate is provided with limit assembly for circuit device limiting.

[0011] On the basis of the above technical solutions, the utility model further provides the following optional technical solutions.

[0012] In an alternative: The support assembly includes a fixed leg, the fixed leg is fixedly connected in the inner bottom of the base, the top of the fixed leg is fixedly connected with the connecting shell, the inside of the connecting shell is equipped with the dismounting assembly convenient for the dismounting of the circuit device.

[0013] In an alternative: The dismounting assembly includes a spring, the spring is fixedly connected in the inner bottom of the connecting shell, the number of the spring is four, and the four springs are evenly distributed around the bottom of the connecting shell.

[0014] In an alternative: The limiting assembly includes a fixed block, the fixed block is fixedly connected on one side of the limiting plate, the top of the fixed block is installed with a micro stepping motor, the output end of the micro stepping motor is fixedly connected with a threaded rod, the outer wall of the threaded rod is threadedly connected with a lifting plate, a lead screw is also installed in the inside of the lifting plate close to the threaded rod, one side of the lifting plate is fixedly connected with a sliding block, the outer wall of the sliding block is provided with a second sliding groove in the inner wall of the limiting plate, the bottom of the lifting plate is installed with a circuit board in the inner bottom of the fixed block, and the sliding block and the second sliding groove are in sliding connection.

[0015] In an alternative: The number of the limiting plate and the limiting assembly is two and is symmetrically installed in the middle line of the circuit board.

[0016] Compared with the prior art, the utility model has the advantages as follows:

[0017] 1、The utility model discloses a motor drives bidirectional screw rod, two limiting plates are driven by the bidirectional screw rod, the sliding block is driven by the limiting plate, and the limiting plate is positioned by the mutual cooperation of the sliding block and the first sliding groove, so that the rotation of the limiting plate is avoided, and the function of clamping the circuit board is realized.

[0018] 2、The utility model discloses a micro stepping motor drives threaded rod, lifting plate is driven by the threaded rod, and the lifting plate is positioned by the lead screw, sliding block and second limiting groove, so that the thickness of the circuit board can be effectively adjusted and fixed. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the schematic diagram of the three-dimensional installation structure of the utility model.

[0020] Figure 2 It is the schematic diagram of the section installation structure of the utility model.

[0021] Figure 3 It is the schematic diagram of the driving assembly installation structure of the utility model.

[0022] Figure 4The spring mounting structure schematic view of the utility model.

[0023] Figure 5 The sliding block and the second sliding groove mounting structure schematic view of the utility model.

[0024] Mark annotation: 1, base; 2, motor protection shell; 3, bidirectional screw rod; 4, circuit board; 5, fixed block; 6, micro stepping motor; 7, lifting plate; 8, connecting shell; 9, limiting plate; 10, first sliding groove; 11, motor; 12, sliding block; 13, spring; 14, fixed leg; 15, sliding block; 16, second sliding groove; 17, screw rod; 18, threaded rod. DETAILED DESCRIPTION

[0025] In order to make the utility model purposes, technical scheme and advantages more clearly, the following is connected with the drawings and examples, and the utility model is further described in detail.

[0026] In one embodiment, as shown in Figures 1-5 A clamping device for EPS controller circuit board test, including base 1, motor protection shell 2 and motor 11, the inside of motor protection shell 2 is equipped with the drive assembly for the drive of clamping device, drive assembly includes motor 11, the motor 11 is installed in the inside of motor protection shell 2 and is located at the side of base 1, the drive end of motor 11 is fixedly connected with bidirectional screw rod 3, the outer wall of bidirectional screw rod 3 is threadedly connected with limiting plate 9, the bottom of limiting plate 9 is fixedly connected with sliding block 12, the inner bottom of base 1 is equipped with first sliding groove 10, sliding block 12 and first sliding groove 10 are slidingly connected, the bidirectional screw rod 3 is driven by motor 11, the two limiting plates 9 are driven by bidirectional screw rod 3, the sliding block 12 is driven by limiting plate 9, limiting plate 9 is positioned by the mutual cooperation of sliding block 12 and first sliding groove 10, to avoid the rotation of limiting plate 9, realize the function of clamping circuit board 4,

[0027] In one embodiment, as shown in Figure 4 The inner bottom of base 1 is equipped with the support assembly for the support of circuit device, the support assembly includes fixed leg 14, the fixed leg 14 is fixedly connected in the inner bottom of base 1, the top of fixed leg 14 is fixedly connected with connecting shell 8, the circuit board 4 can be installed more stably by fixed leg 14 and connecting shell 8, and the function of protecting spring can be realized simultaneously,

[0028] In one embodiment, as shown in Figure 4As shown, the inside of the connecting shell 8 is provided with a disassembly assembly for facilitating the disassembly of the circuit device; the disassembly assembly includes a spring 13, which is fixedly connected to the inner bottom of the connecting shell 8; the number of the spring 13 is four, which is evenly distributed around the bottom of the connecting shell 8; when disassembly is needed, the resilience of the four springs can effectively pop out the circuit board 4, avoiding rusting and sticking due to long-term contact between the circuit board 4 and the connecting shell 8, which makes it difficult to take out.

[0029] In one embodiment, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , one side of the limiting plate 9 is provided with a limiting assembly for limiting the circuit device; the limiting assembly includes a fixed block 5, which is fixedly connected to one side of the limiting plate 9, and a micro stepping motor 6 is installed on the top of the fixed block 5, the output end of the micro stepping motor 6 is fixedly connected with a threaded rod 18, the outer wall of the threaded rod 18 is threadedly connected with a lifting plate 7, and a lead screw 17 is also installed inside the lifting plate 7 close to the threaded rod 18, one side of the lifting plate 7 is fixedly connected with a sliding block 15, the outer wall of the sliding block 15 is provided with a second sliding groove 16 in the inner wall of the limiting plate 9, and the bottom of the lifting plate 7 is installed with a circuit board 4 in the inner bottom of the fixed block 5; the micro stepping motor 6 drives the threaded rod 18, the threaded rod 18 drives the lifting plate 7, and the lifting plate 7 is limited by the lead screw 17, the sliding block 15 and the second limiting groove 16, which can effectively adjust and fix the circuit board of different thicknesses, and the sliding block 15 and the second sliding groove 16 are in sliding connection; through the sliding connection between the sliding block 15 and the sliding groove 16, the limiting plate 9 can be effectively limited, avoiding the turning of the lifting plate 7;

[0030] In one embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the number of the limiting plate 9 and the limiting assembly is two and the middle line of the circuit board 4 is symmetrically installed; the two limiting plates 9 and the two limiting assemblies can better clamp the circuit board 4, avoiding the movement caused by external factors.

[0031] The above embodiment discloses a clamping device for testing the circuit board of the EPS controller, wherein when in use, the motor 11 is started to drive the bidirectional screw rod 3 to rotate, the two limiting plates 9 are driven to move by the bidirectional screw rod 3, the limiting plates 9 are limited by the cooperation of the sliding block 12 and the first sliding groove 10, so that the rotation of the limiting plates 9 is avoided, when the appropriate position is adjusted, the micro stepping motor is started to drive the threaded rod 18 by the micro stepping motor 6, the lifting plate 7 is driven by the threaded rod 18, the lifting plate 7 is limited by the screw rod 17, the sliding block 15 and the second limiting groove 16, the circuit board 4 with different thicknesses is adjusted, the installation is completed by the lifting plate 7 driving the spring 13, and the circuit board 4 can be disassembled in the same way.

[0032] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A clamping device for EPS controller circuit board testing comprising a base (1), a motor protection casing (2) and a motor (11), characterized in that, One side of the base (1) is provided with a protection assembly for protecting the driving device; The inner bottom of the base (1) is provided with a support assembly for supporting the circuit device; The inside of the motor protection shell (2) is provided with a driving assembly for driving the clamping device; The driving assembly comprises a motor (11) mounted inside the motor protection shell (2) on one side of the base (1), and the driving end of the motor (11) is fixedly connected with a bidirectional screw rod (3), the outer wall of the bidirectional screw rod (3) is threadedly connected with a limiting plate (9), the bottom of the limiting plate (9) is fixedly connected with a sliding block (12), the inner bottom of the base (1) is provided with a first sliding groove (10), the sliding block (12) and the first sliding groove (10) are in sliding connection, and one side of the limiting plate (9) is provided with a limiting assembly for limiting the circuit device.

2. The clamping device for testing the circuit board of the EPS controller according to claim 1, wherein, The support assembly comprises a fixed leg (14) fixedly connected to the inner bottom of the base (1), and the top of the fixed leg (14) is fixedly connected with a connecting shell (8), and the inside of the connecting shell (8) is provided with a dismounting assembly for facilitating dismounting of the circuit device.

3. A clamping device for testing of EPS controller circuit boards according to claim 2, characterized in that The dismounting assembly comprises a spring (13) fixedly connected to the inner bottom of the connecting shell (8), and the number of the spring (13) is four, which are uniformly distributed around the bottom of the connecting shell (8).

4. The clamping device for testing the EPS controller circuit board according to claim 1, wherein, The limiting assembly comprises a fixed block (5) fixedly connected to one side of the limiting plate (9), and the top of the fixed block (5) is provided with a micro stepping motor (6), the output end of the micro stepping motor (6) is fixedly connected with a threaded rod (18), the outer wall of the threaded rod (18) is threadedly connected with a lifting plate (7), and a lead screw (17) is also mounted inside the lifting plate (7) close to the threaded rod (18), one side of the lifting plate (7) is fixedly connected with a sliding block (15), the outer wall of the sliding block (15) is provided with a second sliding groove (16) in the inner wall of the limiting plate (9), and the bottom of the lifting plate (7) is provided with a circuit board (4) mounted in the inner bottom of the fixed block (5), and the sliding block (15) and the second sliding groove (16) are in sliding connection.

5. The clamping device for testing the EPS controller circuit board according to claim 1, wherein, The number of the limiting plate (9) and the limiting assembly is two, and the circuit board (4) is symmetrically mounted in the middle line.

Images