Motor wire harness fixing structure

Abstract

The utility model relates to a motor wire harness fixing structure, which belongs to the technical field of motors used for new energy vehicles, is arranged at a cable fixing head of a wire outlet end of a three-phase wire of a motor, and comprises a fixing assembly and a wire pressing assembly, the bottom of the support is arranged at the bottom of a cable fixing head of a wire outlet end of a three-phase wire of a motor, the wire pressing assembly comprises a wire clamping plate and a waved plate, the wire clamping plate is arranged at the top of the support, the waved plate is integrally formed at the top of the wire clamping plate, and the bottom end of the support is fixedly connected to the bottom of the cable fixing head. The circle center of a hole formed by the waved plate and the circle center of the cable fixing head are located on the same horizontal line. According to the motor wire harness fixing device, the motor wire harness can be fixed through a simple structure, and the motor wire harness is not prone to being bent.

Description

Technical Field

[0001] The present application relates to the technical field of motors used in new energy vehicles, and in particular to a motor wiring harness fixing structure. Background Art

[0002] As a highly efficient and energy-saving electric motor, new energy motors have received extensive attention and application in recent years. Due to factors such as assembly structure and layout space, new energy vehicles mostly need to use motor harness fixing structures to fix the harness in order to prevent the three-phase wires from bending.

[0003] At present, the components of the existing motor harness fixing structure are generally manufactured through a casting process to complete the structure of the motor harness before being put into use.

[0004] However, the casting process usually requires making a mold first, and after the mold is made, there are multiple steps such as melting, pouring, and cooling, which leads to high production costs and complex manufacturing, thereby increasing the overall production cost of the motor. Utility Model Content

[0005] In order to address the deficiencies in the prior art, the present application provides a motor wiring harness fixing structure, which can fix the motor wiring harness using a simple structure and prevent the motor wiring harness from being easily bent.

[0006] The present application provides a motor harness fixing structure adopting the following technical solution:

[0007] A motor harness fixing structure is arranged at a cable fixing head at the outlet end of a three-phase line of a motor. A motor harness fixing structure comprises a fixing component and a wire pressing component. The fixing component comprises a bracket. The bottom of the bracket is arranged at the bottom of the cable fixing head at the outlet end of the three-phase line of the motor. The wire pressing component comprises a wire clamping plate and a wave plate. The wire clamping plate is arranged at the top of the bracket. The wave plate is integrally formed at the top of the wire clamping plate. The bottom end of the bracket is fixedly connected to the bottom of the cable fixing head. The center of the hole formed by the wave plate and the center of the cable fixing head are located on the same horizontal line.

[0008] By adopting the above technical scheme, in order to achieve the middle part of the motor harness after it comes out to be on the same horizontal line with the center of the cable fixing head, so as to achieve the effect of being not easy to bend, the motor harness passes through the hole of the corrugated plate, the bracket supports the motor harness, the clamping plate performs preliminary fixation on both sides of the motor harness, and the corrugated plate fixes the top of the motor harness again, so that the center of the hole formed by the corrugated plate is concentric with the center of the cable fixing head, thereby reducing the possibility of bending.

[0009] The present application further provides: the fixing assembly also includes an end cover, the end cover is arranged at the top of the bracket, and first screw holes are opened at both ends of the end cover, and first nuts are fixedly connected to the bottom of the first screw holes at both ends of the end cover, and the two ends of the clamping plate are fixedly connected to the first screw threadedly connected through the second screw hole, and the first screw and the first nut are threadedly connected.

[0010] By adopting the above technical solution, the first nut is welded to the end cover, which is convenient for the subsequent assembly of other components and improves the efficiency of assembly. The first screw can be installed or removed from the end cover, which is convenient for replacing the specifications of the clamping plate and the corrugated plate, so that the number and size of the wire holes of the corrugated plate are compatible with the number and size of the outlet wires.

[0011] The present application further provides: the fixing assembly also includes a connecting plate, the connecting plate is integrally formed at both ends of the bottom of the bracket, the connecting plate is threadedly connected with a fixing bolt, and one end of the fixing bolt is threadedly connected to the bottom of the cable fixing head at the outlet end of the three-phase line of the motor.

[0012] By adopting the above technical solution, the bracket integrally formed with the connecting plate can be installed or removed at any position on the bottom of the cable fixing head of the outlet end of any motor three-phase line by means of fixing bolts, thereby improving the flexibility of installation and being adaptable to the height requirements of the outlet ends of various motors on the outer surface of the motor.

[0013] The present application further provides that: the fixing assembly also includes a spiral fixing piece, one end of the spiral fixing piece is arranged at two ends of the bracket, and the other ends of the two spiral fixing pieces are respectively arranged at two ends of the end cover.

[0014] By adopting the above technical solution, the spiral surface of the spiral fixing piece can enhance the load-bearing capacity and tensile strength of the turning point between the bracket and the end cover, making the structure more stable and strong and reducing the occurrence of bending.

[0015] The present application further provides that: the vertical straight-line distance between one end of the bracket located on the connecting plate and one side of the output terminal of the motor is smaller than the vertical straight-line distance between one end of the bracket located on the end cover and one side of the output terminal of the motor.

[0016] By adopting the above technical solution, a certain distance is formed between the wire clamping plate and the corrugated plate on the top of the bracket and the cable fixing head, thereby increasing the protection range of the motor wiring harness from the cable fixing head to the fixing position of the wire clamping plate and the corrugated plate, making it difficult for the motor wiring harness at the outlet end to be bent, and a triangle is formed between the vertical side of the bracket and the outlet end of the motor and the motor wiring harness, thereby improving the stability of the structure.

[0017] The present application further provides that: the bottom wall of the corrugated plate is away from the top of the end cover.

[0018] By adopting the above technical solution, the contact area between the bottom wall of the corrugated plate and the top of the end cover can be reduced, thereby reducing the possibility of damage to the corrugated plate and the end cover due to friction and collision caused by the vibration of the motor. In addition, the contact area between the corrugated plate and the motor wiring harness is reduced, which can reduce the damage to the motor wiring harness caused by the vibration of the motor.

[0019] The present application further provides that: the bracket, spiral fixing piece and end cover are integrally formed, and the wire pressing assembly and fixing assembly are made of plastic material.

[0020] By adopting the above technical solution, the bending process can be used for integral pressing and forming, which reduces the steps of making the production mold and simplifies the production method.

[0021] The present application further provides that: the material of the fixing component and the wire pressing component is a plastic material with a thickness of 0.5-6mm and a width of 5-30mm.

[0022] By adopting the above technical solution, the force requirements of the bending equipment for forming and pressing the fixing components and the wire pressing components can be reduced, and the generation of waste in the process of producing the fixing components and the wire pressing components can also be reduced.

[0023] In summary, this application has the following beneficial effects:

[0024] 1. This application uses a bracket to support the motor wiring harness, a wire clamp to initially fix the two sides of the motor wiring harness, and a corrugated plate to fix the top of the motor wiring harness again, so that the center of the hole formed by the corrugated plate is concentric with the center of the outlet cable fixing head, thereby achieving that the middle part of the motor wiring harness after the outlet is on the same horizontal line with the center of the cable fixing head, and it is difficult to bend.

[0025] 2. In the present application, when producing the fixing components and the wire crimping components, the bending process is used to press the fixing components and the wire crimping components into one piece, which reduces the steps of making the production mold, simplifies the production method, and reduces the force requirements of the bending equipment for forming and pressing the fixing components and the wire crimping components, thereby reducing the generation of waste in the process of producing the fixing components and the wire crimping components. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the front structure of the present application connected to the motor.

[0027] Figure 2 It is a schematic diagram of the overall front structure of this application.

[0028] Figure 3 It is a side structural diagram of the motor connection of this application.

[0029] Figure 4 It is a schematic diagram of the overall side structure of this application.

[0030] Figure numerals: 1. fixing assembly; 10. bracket; 11. end cover; 12. first nut; 13. connecting plate; 14. fixing bolt; 15. spiral fixing piece; 16. first screw rod; 2. wire pressing assembly; 20. wire clamping plate; 21. corrugated plate; 3. cable fixing head. DETAILED DESCRIPTION

[0031] The following is combined with Figures 1 to 4 This application is described in further detail.

[0032] refer to Figures 1 to 3 In this embodiment, a motor harness fixing structure is arranged at a cable fixing head 3 at the outlet end of the motor three-phase line. A motor harness fixing structure includes a fixing component 1 and a wire pressing component 2. The fixing component 1 includes a bracket 10. The bottom of the bracket 10 is arranged at the bottom of the cable fixing head 3 at the outlet end of the motor three-phase line. The bracket 10 supports the motor harness. The wire pressing component 2 includes a clamping plate 20 and a wave plate 21. The clamping plate 20 is arranged at the top of the bracket 10. The wave plate 21 is integrally formed at the top of the clamping plate 20. The bottom end of the bracket 10 is fixedly connected to the bottom of the cable fixing head 3. The clamping plate 20 is After the preliminary fixation of both sides of the motor harness, the corrugated plate 21 fixes the top of the motor harness again. Since the center of the hole formed by the corrugated plate 21 and the center of the cable fixing head 3 are on the same horizontal line, when the motor harness passes through the hole formed by the corrugated plate 21, the cable fixing head 3 is located between the outlet end of the motor three-phase line and the wire crimping assembly 2. The center of the hole formed by the corrugated plate 21 is concentric with the center of the outlet cable fixing head 3, so that the extension direction of the motor harness can be on the same straight line as the center of the hole formed by the corrugated plate 21 and the center of the outlet cable fixing head 3, so as to avoid bending as much as possible.

[0033] Furthermore, the fixing assembly 1 also includes an end cover 11, which is arranged on the top of the bracket 10, and has first screw holes at both ends of the end cover 11. The two ends of the end cover 11 are located at the bottom of the first screw holes and are fixedly connected with first nuts 12, and the two ends of the clamping plate 20 are fixedly connected with first screw rods 16 threadedly connected through second screw holes. The first screw rods 16 and the first nut 12 are threadedly connected. Preferably, the first nut 12 is welded to the end cover 11, so that the first nut 12 and the end cover 11 become one and are not easy to separate. When the clamping plate 20 needs to be installed or removed, the first screw rod can be directly rotated. 16 is sufficient, which is convenient for the subsequent assembly of other parts, improves the efficiency of assembly, and can also reduce the possibility of the first nut 12 being lost due to falling off the end cover 11; the first screw 16 can be installed or removed from the end cover 11, which is convenient for replacing the specifications of the clamping plate 20 and the wave plate 21. Specifically, when the number of wires is n, the number of wire holes of the wave plate 21 is n, and when the wire diameter is φAmm, the wire hole diameter of the wave plate 21 is φAmm, thereby achieving the number and size of the wire holes of the wave plate 21 to match the number and size of the replaced outgoing wires.

[0034] Furthermore, the fixing assembly 1 also includes a connecting plate 13, which is integrally formed at both ends of the bottom of the bracket 10. The connecting plate 13 is threadedly connected with a fixing bolt 14, and one end of the fixing bolt 14 is threadedly connected to the bottom of the cable fixing head 3 of the outlet end of the three-phase line of the motor. By rotating the fixing bolt 14 located on the connecting plate 13, the bracket 10 integrally formed with the connecting plate 13 can be adapted to be installed or removed at any position on the bottom of the cable fixing head 3 of the outlet end of any three-phase line of the motor, and can be replaced to improve the flexibility of installation. When the height of the outlet end of various motors located on the outer surface of the motor changes, the bracket 10 can be removed for position replacement.

[0035] refer to Figures 2 to 4 In this embodiment, the fixing assembly 1 also includes a spiral fixing member 15, one end of the spiral fixing member 15 is fixedly connected to the two ends of the bracket 10, and the vertical straight-line distance between the end of the bracket 10 located on the connecting plate 13 and the one side of the output terminal of the motor is smaller than the vertical straight-line distance between the end of the bracket 10 located on the end cover 11 and the one side of the output terminal of the motor. Specifically, taking the one side of the output terminal of the motor as the reference plane, in order to make the top of the one side of the output terminal of the motor of the bracket 10 fixed parallel to the reference plane, the spiral fixing member 15 needs to be bent to connect the two. Compared with the right-angle connector, the spiral surface of the spiral fixing member 15 of the bracket 10 reduces the concentration of stress, thereby enhancing the bearing capacity and tensile strength of the turning point of the bracket 10 and the end cover 11, and avoiding the bending of the connector between the bracket 10 and the end cover 11 as much as possible.

[0036] In addition, the top of the inclined bracket 10 is away from the top of the outlet terminal of the motor, so the wire clamping plate 20 and the corrugated plate 21 on the top of the bracket 10 are pulled away from the cable fixing head 3 by the bracket 10, and then the length of the part from the cable fixing head 3 to the wire clamping plate 20 and the corrugated plate 21 is increased, thereby increasing the protection range, making it difficult for the part from the cable fixing head 3 to the wire clamping plate 20 and the corrugated plate 21 to be bent, and a stable triangular structure is formed between the bracket 10, the vertical side of one side of the outlet terminal of the motor and the motor harness, and the formed structure is more difficult to be destroyed.

[0037] refer to Figure 1 and Figure 2 In this embodiment, the bottom wall of the wave plate 21 is away from the top of the end cover 11, so as to avoid the possibility of friction and collision between the wave plate 21 and the end cover 11 due to the vibration of the motor, thereby causing damage. The wave plate 21 has a smooth bending structure at the turning point of each hole through which the motor wiring harness is inserted, so that not only the contact area between the motor wiring harness and the inner side of the wave plate 21 is reduced, but the smooth bending structure can also reduce the stress concentration of the wave plate 21 at the bending point, thereby reducing the damage to the motor wiring harness and the wave plate 21 caused by the vibration of the motor.

[0038] Furthermore, the bracket 10, the spiral fixing part 15 and the end cover 11 are integrally formed, and the wire crimping component 2 and the fixing component 1 are made of a plastic material. The plastic material has a certain hardness, and the integrally formed wire crimping component 2 and the fixing component 1 can be integrally pressed and formed using a bending process, which reduces the steps of making a production mold and simplifies the production method. In this embodiment, the plastic material is selected as a metal material, and in another embodiment, the plastic material is selected as a plastic material.

[0039] Furthermore, the material of the fixing component 1 and the wire crimping component 2 is a plastic material with a thickness of 0.5-6mm and a width of 5-30mm, so that the force required for the bending equipment to form and press the fixing component 1 and the wire crimping component 2 can be reduced, and the generation of waste in the production process can be reduced. In this embodiment, the material thickness of the fixing material and the wire crimping material is 2mm and the width is 20mm.

[0040] The implementation principle of the embodiment of the present application is: the connecting plate 13 is threadedly connected to the bottom of the cable fixing head 3 of the outlet end of the motor three-phase line through the fixing bolt 14, and then the motor wiring harness is passed through the hole formed by the wave plate 21, and the wire pressing plate is threadedly connected to the first nut 12 on the top of the end cover 11 through the first screw 16 to complete the fixation of the motor wiring harness.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A motor harness fixing structure, characterized in that: A motor harness fixing structure is arranged at a cable fixing head (3) at the outlet end of a three-phase line of a motor, comprising a fixing component (1) and a wire pressing component (2), wherein the fixing component (1) comprises a bracket (10), the bottom of the bracket (10) is arranged at the bottom of the cable fixing head (3) at the outlet end of the three-phase line of the motor, the wire pressing component (2) comprises a wire clamping plate (20) and a wave plate (21), the wire clamping plate (20) is arranged at the top of the bracket (10), the wave plate (21) is integrally formed at the top of the wire clamping plate (20), the bottom end of the bracket (10) is fixedly connected to the bottom of the cable fixing head (3), and the center of a hole formed by the wave plate (21) and the center of the cable fixing head (3) are located on the same horizontal line.

2. A motor harness fixing structure according to claim 1, characterized in that: The fixing assembly (1) further comprises an end cover (11), wherein the end cover (11) is arranged on the top of the bracket (10), and first screw holes are formed at both ends of the end cover (11), and first nuts (12) are fixedly connected at both ends of the end cover (11) at the bottom of the first screw holes, and first screw rods (16) are fixedly connected at both ends of the clamping plate (20) through second screw holes, and the first screw rods (16) and the first nut (12) are threadedly connected.

3. A motor harness fixing structure according to claim 2, characterized in that: The fixing assembly (1) further comprises a connecting plate (13), wherein the connecting plate (13) is integrally formed at both ends of the bottom of the bracket (10), the connecting plate (13) is threadedly connected with a fixing bolt (14), and one end of the fixing bolt (14) is threadedly connected to the bottom of a cable fixing head (3) at the outlet end of the motor three-phase line.

4. A motor harness fixing structure according to claim 3, characterized in that: The fixing assembly (1) further comprises a spiral fixing member (15), one end of which is arranged at two ends of the bracket (10), and the other ends of the two spiral fixing members (15) are respectively arranged at two ends of the end cover (11).

5. The motor harness fixing structure according to claim 3, characterized in that: The vertical straight-line distance between one end of the bracket (10) located on the connecting plate (13) and one side of the output terminal of the motor is smaller than the vertical straight-line distance between one end of the bracket (10) located on the end cover (11) and one side of the output terminal of the motor.

6. The motor harness fixing structure according to claim 1, characterized in that: The bottom wall of the corrugated plate (21) is away from the top of the end cover (11).

7. A motor harness fixing structure according to claim 4, characterized in that: The bracket (10), the spiral fixing member (15) and the end cover (11) are integrally formed, and the wire pressing assembly (2) and the fixing assembly (1) are made of a plastic material.

8. A motor harness fixing structure according to claim 7, characterized in that: The fixing component (1) and the wire pressing component (2) are made of a plastic material with a thickness of 0.5-6 mm and a width of 5-30 mm.

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