Grounding middle plate with novel structure
By designing a new structure grounding midplane, and using the sliding connection between the ground terminal mount and the power terminal mount, the problems of inconvenience of grounding wire and poor grounding effect in the prior art are solved, and the effects of convenient grounding and noise reduction are achieved.
Patent Information
- Application Number
- CN202422336057.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The grounding wires of existing DC motors are inconvenient and not strong, resulting in poor grounding effect and are easily disturbed by external electronics and generate noise.
A new structure grounding medium plate is designed, including a mid plate frame, an electrical terminal mounting frame and a grounding terminal mounting frame. By slidingly installing the grounding terminal main body and the electrical terminal main body, convenient connection is achieved and grounding effect is improved.
It improves the convenience and grounding effect of grounding wire connection, reduces external electronic interference from the motor, reduces noise, and improves the appearance of the motor.
Smart Images
Figure CN223194561U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor middle plates, in particular to a grounded middle plate with a new structure. Background Art
[0002] The motor mid-plate is used for external leads or terminals in the motor. Usually, terminals are used or the carbon brush assembly with pre-riveted leads is directly installed into the mid-plate. It is mainly used for power supply to the rotor.
[0003] However, most existing DC motor grounding wires are welded directly to the housing surface. This is time-consuming, labor-intensive, inconvenient, and weak. This poor grounding makes the motor susceptible to external electronic interference, resulting in high motor noise. Therefore, those skilled in the art have proposed a novel grounding midplane structure to address the issues raised in the background art. Utility Model Content
[0004] The purpose of the present invention is to provide a grounding mid-plate with a new structure to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A new structure grounding middle plate includes a middle plate frame, a power terminal mounting frame and a power terminal slot, wherein the power terminal mounting frame is located at the outer end position of the middle plate frame, and the power terminal slot is located at the inner side position of the power terminal mounting frame. The outer end of the middle plate frame is provided with a grounding terminal mounting frame, and the inner side of the grounding terminal mounting frame is provided with a grounding terminal slot. The upper side of the middle plate frame is adjacent to the power terminal mounting frame. An alignment column is provided, and an alignment hole is provided on the outer side of the middle plate frame. The upper side of the middle plate frame is provided with a middle plate hole. The inner side of the middle plate hole is provided with an elastic arm mounting groove near the power terminal mounting frame. The grounding terminal body is installed inside the grounding terminal slot.
[0007] As a further solution of the present invention: a power terminal body is installed inside the power terminal slot, a spring arm body is provided at the lower end of the power terminal body, and a carbon brush is installed inside the spring arm body.
[0008] As a further solution of the present invention: two power terminal mounting frames are provided, and the two power terminal mounting frames are correspondingly arranged at the outer end positions of the middle plate frame; two grounding terminal mounting frames are provided, and the two grounding terminal mounting frames are correspondingly installed at the outer end positions of the middle plate frame.
[0009] As a further solution of the present invention: there are two alignment posts, which are correspondingly installed at the upper two ends of the middle plate frame; there are two alignment holes, which are correspondingly opened at the outer side of the middle plate frame.
[0010] As a further solution of the present invention: the upper end of the grounding terminal body slides at an inner position of the grounding terminal slot, and the grounding terminal body is installed at an inner position of the grounding terminal mounting frame through the grounding terminal slot.
[0011] As a further solution of the present invention: the upper end of the power terminal body slides at the internal position of the power terminal slot, the power terminal body is installed at the internal position of the power terminal mounting frame through the power terminal slot, and the outer end of the elastic arm body is located at the internal position of the elastic arm mounting groove.
[0012] As a further solution of the present invention: the output end of the carbon brush is connected to the input end of the elastic arm body, and the output end of the elastic arm body is connected to the input end of the power terminal body.
[0013] Compared with the prior art, the beneficial effects of the present invention are: a new structure grounding middle plate of the present invention is installed with a grounding terminal body through a grounding terminal mounting frame, which is used to connect the ground wire, making the connection of the ground wire stronger, improving the convenience of grounding wire connection, improving the grounding effect, and enabling the motor to better prevent external electronic interference. When interference is reduced, motor noise can also be reduced, thereby improving the beauty and refinement of the overall appearance of the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A plan view of a new structural grounding mid-plate;
[0015] Figure 2 This is a schematic diagram of the structure of a new grounding mid-plate;
[0016] Figure 3 The assembly plan of a new structure grounding mid-plate;
[0017] Figure 4 This is a schematic diagram of the assembly structure of a new structure grounding midplane.
[0018] In the figure: 1. Middle plate frame; 2. Power terminal mounting bracket; 3. Power terminal slot; 4. Grounding terminal mounting bracket; 5. Grounding terminal slot; 6. Alignment column; 7. Alignment hole; 8. Middle plate hole; 9. Spring arm mounting slot; 10. Grounding terminal body; 11. Power terminal body; 12. Spring arm body; 13. Carbon brush. DETAILED DESCRIPTION
[0019] See also Figures 1 to 4In the embodiment of the present invention, a new structure grounding middle plate includes a middle plate frame 1, a power terminal mounting frame 2 and a power terminal slot 3. The power terminal mounting frame 2 is located at the outer end position of the middle plate frame 1, and the power terminal slot 3 is located at the inner side position of the power terminal mounting frame 2. The outer end of the middle plate frame 1 is provided with a grounding terminal mounting frame 4, and the inner side of the grounding terminal mounting frame 4 is provided with a grounding terminal slot 5. The upper side of the middle plate frame 1 is adjacent to the power terminal mounting frame 2 and is provided with an alignment column 6. The outer side of the middle plate frame 1 is provided with an alignment hole 7, the upper side of the middle plate frame 1 is provided with a middle plate hole 8, and the inner side of the middle plate hole 8 is adjacent to the power terminal mounting frame 2 and is provided with an elastic arm mounting groove 9. The grounding terminal main body 10 is installed inside the grounding terminal slot 5. There are two power terminal mounting frames 2, and the two power terminal mounting frames 2 are correspondingly arranged at the outer end position of the middle plate frame 1. There are two grounding terminal mounting frames 4, which are correspondingly installed at the outer end positions of the middle plate frame 1, two alignment columns 6 are provided, and the two alignment columns 6 are correspondingly installed at the two end positions of the upper side of the middle plate frame 1, two alignment holes 7 are provided, and the two alignment holes 7 are correspondingly opened at the outer position of the middle plate frame 1, and the upper end of the grounding terminal body 10 slides at the internal position of the grounding terminal slot 5, and the grounding terminal body 10 is installed at the internal position of the grounding terminal mounting frame 4 through the grounding terminal slot 5. First, insert the grounding terminal body 10 into the interior of the grounding terminal mounting frame 4 through the grounding terminal slot 5, and fix the middle plate frame 1 to the motor housing through the elastic arm mounting groove 9 and the alignment hole 7, and connect the connecting wire to the upper end of the grounding terminal body 10. During use, the current on the motor is grounded through the grounding terminal body 10.
[0020] exist Figure 3 、 4 Middle: The terminal body 11 is installed inside the terminal slot 3, and the lower end of the terminal body 11 is provided with an elastic arm body 12. The inner side of the elastic arm body 12 is provided with a carbon brush 13. The upper end of the terminal body 11 slides in the inner position of the terminal slot 3. The terminal body 11 is installed in the inner position of the terminal mounting frame 2 through the terminal slot 3. The outer end of the elastic arm body 12 is located in the inner position of the elastic arm mounting groove 9. The output end of the carbon brush 13 intersects with the input end of the elastic arm body 12. The output end of the elastic arm body 12 is connected with the input end of the power terminal body 11. The power terminal body 11 is inserted into the inside of the power terminal mounting frame 2 through the power terminal slot 3. The outer end of the elastic arm body 12 is inserted into the inside of the elastic arm mounting groove 9. The middle plate frame 1 is clamped on the motor housing through the elastic arm mounting groove 9 and the alignment hole 7 and fixed. The carbon brush 13 is located on the outside of the rotor shaft. Connect the power line to the upper end of the power terminal body 11. Then, start using it. During use, the power terminal body 11 supplies power to the motor.
[0021] The working principle of the present invention is: first, the grounding terminal body 10 is inserted into the inside of the grounding terminal mounting frame 4 through the grounding terminal slot 5, the power terminal body 11 is inserted into the inside of the power terminal mounting frame 2 through the power terminal slot 3, the outer end of the elastic arm body 12 is inserted into the inside of the elastic arm mounting groove 9, the middle plate frame 1 is clamped on the motor housing through the elastic arm mounting groove 9 and the alignment hole 7 and fixed, the carbon brush 13 is located on the outside of the rotor shaft, the connecting wire is connected to the upper end of the grounding terminal body 10, and the power supply line is connected to the upper end of the power terminal body 11, and then, start using it. During use, the power terminal body 11 supplies power to the motor, and the current on the motor is grounded through the grounding terminal body 10.
[0022] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A new structure grounding middle plate, comprising a middle plate frame (1), a power terminal mounting frame (2) and a power terminal slot (3), wherein the power terminal mounting frame (2) is located at the outer end of the middle plate frame (1), and the power terminal slot (3) is located at the inner side of the power terminal mounting frame (2), characterized in that: The outer end of the middle plate frame (1) is provided with a grounding terminal mounting frame (4), the inner side of the grounding terminal mounting frame (4) is provided with a grounding terminal slot (5), the upper side of the middle plate frame (1) is provided with an alignment column (6) adjacent to the position of the power terminal mounting frame (2), the outer side of the middle plate frame (1) is provided with an alignment hole (7), the upper side of the middle plate frame (1) is provided with a middle plate hole (8), the inner side of the middle plate hole (8) is provided with an elastic arm mounting groove (9) adjacent to the position of the power terminal mounting frame (2), and the grounding terminal main body (10) is installed inside the grounding terminal slot (5).
2. A new structure grounding mid-plate according to claim 1, characterized in that: A power terminal body (11) is installed inside the power terminal slot (3), an elastic arm body (12) is provided at the lower end of the power terminal body (11), and a carbon brush (13) is installed inside the elastic arm body (12).
3. The new structure grounding mid-plate according to claim 1 is characterized in that: Two power terminal mounting frames (2) are provided, and the two power terminal mounting frames (2) are correspondingly provided at the outer end positions of the middle plate frame (1); two grounding terminal mounting frames (4) are provided, and the two grounding terminal mounting frames (4) are correspondingly provided at the outer end positions of the middle plate frame (1).
4. The novel structure grounding mid-plate according to claim 1, characterized in that: There are two alignment posts (6), which are correspondingly mounted at both ends of the upper side of the middle plate frame (1). There are two alignment holes (7), which are correspondingly opened at the outer sides of the middle plate frame (1).
5. The new structure grounding mid-plate according to claim 1 is characterized in that: The upper end of the grounding terminal body (10) slides at an inner position of the grounding terminal slot (5), and the grounding terminal body (10) is installed at an inner position of the grounding terminal mounting frame (4) through the grounding terminal slot (5).
6. The new structure grounding mid-plate according to claim 2, characterized in that: The upper end of the power terminal body (11) slides at an internal position of the power terminal slot (3), the power terminal body (11) is installed at an internal position of the power terminal mounting frame (2) through the power terminal slot (3), and the outer end of the elastic arm body (12) is located at an internal position of the elastic arm mounting groove (9).
7. The novel structure grounding mid-plate according to claim 2, characterized in that: The output end of the carbon brush (13) is connected to the input end of the elastic arm body (12), and the output end of the elastic arm body (12) is connected to the input end of the power terminal body (11).