Fixing clamp for motor loading

Abstract

The utility model discloses a fixing clamp used for motor loading, comprising a motor torsion load device, the lower end of which is provided with a fixing plate; the fixing clamp is installed below the fixing plate, a windshield wiper motor is installed below the fixing plate, and the swing end of the windshield wiper motor penetrates through the through groove of the fixing plate; and the transmission shaft is assembled and arranged at the swing end of the windshield wiper motor, and the other end of the transmission shaft penetrates through the fixing plate and is connected with an output shaft assembly of the motor torsion load device. According to the utility model, through the arrangement of the clamp, the wiper motor is firmly fixed on the torsion load, and the torque of the motor is stably transmitted to the torsion load.

Description

Technical Field

[0001] The utility model relates to a fixing fixture, in particular to a fixing fixture used for motor loading. Background Art

[0002] Various motors, as test samples, require stable torque during EMC testing to simulate actual operating conditions. However, securing these motors (especially wiper motors with coupling rockers) stably under torque loads is a challenge faced by every test laboratory. Because this challenge is unique to test laboratories, corresponding fixtures are unavailable on the market. Currently, cable ties and tape are commonly used for securing these motors, which are quite unreliable. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide a fixing fixture for loading a motor, so as to solve the problems existing in the background technology.

[0004] The fixing fixture for motor loading of the utility model is realized by the following technical solutions, including:

[0005] A motor torsion load device, wherein a fixing plate is installed at the lower end of the motor torsion load device;

[0006] A fixing fixture is installed below the fixing plate, and a wiper motor is installed below the fixing plate, and the swing end of the wiper motor is arranged through the through slot of the fixing plate;

[0007] The transmission shaft is assembled on the swing end of the wiper motor, and the other end of the transmission shaft passes through the fixed plate and is connected to the output shaft component of the motor torque load device.

[0008] As a preferred technical solution, the motor torque load device includes support rods arranged on all sides, a mounting top plate and a mounting middle plate;

[0009] The mounting top plate is fixed above the support rod, the mounting middle plate is arranged below the mounting top plate, and the mounting middle plate is fixed on the support rod;

[0010] A torsion load module is provided between the mounting top plate and the mounting middle plate, and an output end of the torsion load module passes through the mounting middle plate and is connected to the output shaft assembly.

[0011] As a preferred technical solution, the output shaft assembly includes an output upper shaft and an output lower shaft;

[0012] The output lower shaft guide is arranged inside the output upper shaft, and a guide groove is provided on the side of the output upper shaft. A locking screw corresponding to the guide groove is provided on the output lower shaft, which is tightened by the locking screw to adjust the extension length of the output lower shaft; a connecting block is provided at the lower end of the output lower shaft, and the connecting block is connected to the transmission shaft.

[0013] As an optimal technical solution, a groove is provided at the bottom of the drive shaft that matches the swing end of the wiper motor, and a connecting groove is provided at the upper end of the drive shaft. The connecting groove and the connecting block are fixed by locking screws, thereby realizing the connection between the upper end of the drive shaft and the output lower shaft.

[0014] As a preferred technical solution, a lead is provided on the mounting top plate of the motor torque load device, and the lead passes through the mounting top plate and is connected to the torque load module, thereby supplying power to the torque load module.

[0015] The beneficial effects of the utility model are:

[0016] The utility model fixes the wiper motor of this type firmly on the torsion load by setting the clamp, and transmits the torque of the motor to the torsion load stably.

[0017] The utility model combines the test characteristics of EMC, and the fixture adopts POM material instead of metal material, which avoids excessive electromagnetic wave reflection and ensures the accuracy of EMC testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

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

[0020] Figure 2 This is a schematic cross-sectional view of the utility model;

[0021] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0022] Description of reference numerals:

[0023] 1. Motor torque load device; 2. Fixing fixture; 3. Drive shaft; 4. Fixing plate; 5. Wiper motor; 6. Output shaft assembly; 7. Support rod; 8. Mounting top plate; 9. Mounting middle plate; 10. Torque load module; 11. Output upper shaft; 12. Output lower shaft; 13. Locking screw; 14. Guide groove; 15. Slot; 16. Connecting groove; 17. Connecting block. DETAILED DESCRIPTION

[0024] All features disclosed in this specification, or all steps in the disclosed methods or processes, except mutually exclusive features and / or steps, can be combined in any manner.

[0025] like Figure 1-Figure 3 As shown, the utility model is a fixing fixture for motor loading, comprising:

[0026] A motor torque loading device 1, wherein a fixing plate 4 is installed at the lower end of the motor torque loading device 1;

[0027] A fixing fixture 2 is installed below the fixing plate 4, and a wiper motor 5 is installed below the fixing plate 4, and the swing end of the wiper motor 5 is arranged through the through slot of the fixing plate 4;

[0028] The transmission shaft 3 is assembled on the swing end of the wiper motor 5 , and the other end of the transmission shaft 3 passes through the fixed plate 4 and is connected to the output shaft assembly 6 of the motor torque loading device 1 .

[0029] The motor torque load device 1 includes support rods 7, a mounting top plate 8 and a mounting middle plate 9 arranged on all sides.

[0030] The mounting top plate 8 is fixed above the support rod 7, the mounting middle plate 9 is arranged below the mounting top plate 8, and the mounting middle plate 9 is fixed on the support rod 7;

[0031] A torque load module 10 is provided between the mounting top plate 8 and the mounting middle plate 9 , and an output end of the torque load module 10 is provided through the mounting middle plate 9 and connected to the output shaft assembly 6 .

[0032] The output shaft assembly 6 includes an output upper shaft 11 and an output lower shaft 12;

[0033] The output lower shaft 12 is guided inside the output upper shaft 11, and a guide groove 14 is provided on the side of the output upper shaft 11. A locking screw 13 corresponding to the guide groove 14 is provided on the output lower shaft 12, and the locking screw 13 is tightened to adjust the extension length of the output lower shaft 12; a connecting block 17 is provided at the lower end of the output lower shaft 12, and the connecting block 17 is connected to the transmission shaft 3.

[0034] In order to realize the installation of the drive shaft, in this embodiment, a groove 15 is provided at the bottom of the drive shaft 3, which matches the swing end of the wiper motor 5, and a connecting groove 16 is provided at the upper end of the drive shaft 3. The connecting groove 16 and the connecting block 17 are fixed by locking screws, thereby realizing the connection between the upper end of the drive shaft 3 and the output lower shaft 12.

[0035] In addition, a lead is provided on the mounting top plate 8 of the motor torque load device 1 , and the lead passes through the mounting top plate 8 and is connected to the torque load module 10 , thereby supplying power to the torque load module 10 .

[0036] The fixing fixture 2 of the present invention adopts POM material instead of metal material, which avoids excessive electromagnetic wave reflection and ensures the accuracy of EMC testing.

[0037] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that do not require creative effort should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined in the claims.

Claims

1. A fixing fixture for motor loading, characterized in that: include: A motor torque loading device (1), wherein a fixing plate (4) is mounted on the lower end of the motor torque loading device (1); A fixing fixture (2), wherein the fixing fixture (2) is installed below the fixing plate (4), and a wiper motor (5) is installed below the fixing plate (4), and the swing end of the wiper motor (5) is arranged to pass through the through slot of the fixing plate (4); A transmission shaft (3) is mounted on the swing end of the wiper motor (5), and the other end of the transmission shaft (3) passes through the fixed plate (4) and is connected to the output shaft assembly (6) of the motor torque load device (1).

2. The fixing fixture (2) for motor loading according to claim 1, characterized in that: The motor torque load device (1) comprises support rods (7) arranged on all sides, a mounting top plate (8) and a mounting middle plate (9); The mounting top plate (8) is fixed above the support rod (7), the mounting middle plate (9) is arranged below the mounting top plate (8), and the mounting middle plate (9) is fixed on the support rod (7); A torsion load module (10) is provided between the mounting top plate (8) and the mounting middle plate (9), and an output end of the torsion load module (10) is provided through the mounting middle plate (9) and is connected to the output shaft assembly (6).

3. The fixing fixture (2) for motor loading according to claim 2, characterized in that: The output shaft assembly (6) includes an output upper shaft (11) and an output lower shaft (12); The output lower shaft (12) is guided and arranged inside the output upper shaft (11), and a guide groove (14) is arranged on the side of the output upper shaft (11); a locking screw (13) corresponding to the guide groove (14) is arranged on the output lower shaft (12); the extension length of the output lower shaft (12) is adjusted by locking the locking screw (13); a connecting block (17) is arranged at the lower end of the output lower shaft (12), and the connecting block (17) is connected to the transmission shaft (3).

4. The fixing fixture (2) for motor loading according to claim 1, characterized in that: The bottom of the transmission shaft (3) is provided with a slot (15) that matches the swing end of the wiper motor (5), and the upper end of the transmission shaft (3) is provided with a connecting slot (16). The connecting slot (16) and the connecting block (17) are fixed by locking screws, thereby realizing the connection between the upper end of the transmission shaft (3) and the output lower shaft (12).

5. The fixing fixture (2) for motor loading according to claim 1, characterized in that: A lead is provided on the mounting top plate (8) of the motor torque load device (1), and the lead passes through the mounting top plate (8) and is connected to the torque load module, thereby supplying power to the torque load module.

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