Fixing support based on dynamic protection of wire harness connector

Abstract

The utility model relates to a fixing support based on dynamic protection of a wire harness connector, which is arranged at a wire outlet position of a power assembly connector and comprises a first wing plate and a second wing plate, and the first wing plate and the second wing plate are mutually bent to form a certain angle to wrap a corner of a power assembly. A first fixing hole fixed with the power assembly is formed in the first wing plate, and a second fixing hole fixed with the power assembly is formed in the second wing plate; a wire harness fixing mechanism used for fixing a connector outgoing wire harness is arranged at the top of the bent position between the first wing plate and the second wing plate. By additionally arranging the fixing support, the wire harness connector and the power assembly are restrained into a whole, the same-frequency working state is kept, and therefore the relative movement of the wire harness is adjusted to the rear section of an outgoing wire harness of the connector, the situation that in the running process, the connector is pulled by the relative movement of the wire harness, and consequently the connector is loosened or poor in contact is avoided, and the service life of the wire harness connector is prolonged. The service life of the connector is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power assembly system, concretely relates to a fixed support based on wire harness connector dynamic protection. BACKGROUND

[0002] At present, the wire harness connection of the power assembly to the battery pack assembly, one end of the wire harness is fixed on the power assembly through the connector, and the other end of the wire harness is connected to the battery pack assembly by the cable. The power assembly (including the motor and the speed reducer) belongs to the moving part, the connection of the cable is from the dynamic part to the static part, the relative movement in the middle is protected by the length of the cable, and the connection of the wire harness and the power assembly is only the static connection of the connector.

[0003] The static connection mode of the high-voltage wire harness and the power assembly, relative movement exists between the power assembly and the surrounding parts during the operation of the power assembly, which can cause the stretching or extrusion of the wire harness cable, the stretching of the cable can pull the fixed points at both ends of the wire harness, that is, the fixed connector of the wire harness and the power assembly is pulled, the mechanical connection and electrical connection stability of the connector are affected, the connector is disconnected or the electrical contact is poor, an electrical safety accident occurs, and there is a safety hazard. The design does not have dynamic fixing protection design for the connector and the wire harness. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the dynamic and static parts of the wire harness connection, the utility model provides a kind of fixed support based on wire harness connector dynamic protection, wire harness is fixedly constrained from the outlet end of equipment, guarantee the connection point of equipment and wire harness is in the same movement state, keep relatively static, avoid the poor contact caused by relative movement to connection point drag.

[0005] The technical scheme adopted by the utility model is: a kind of fixed support based on wire harness connector dynamic protection, characterized by: being arranged at the outlet position of power assembly connector, including first wing plate and second wing plate, the first wing plate and the second wing plate are bent at a certain angle and covered in the corner of power assembly;First fixed hole for fixing power assembly is arranged on the first wing plate, and second fixed hole for fixing power assembly is arranged on the second wing plate;The top of the bending part between the first wing plate and the second wing plate is provided with wire harness fixing mechanism for fixing the outlet wire harness of connector. Fixed support is designed based on the structure of connection equipment, wire harness arrangement and surrounding environment, the fixed support is fixed on the power assembly, and the cable of the outlet of the connector is fixed by the wire harness fixing point arranged on the fixed support.

[0006] As preferred, the first wing plate is arc-shaped from narrow to wide, which avoids the outlet wire harness above and provides a fixing point connected with the power assembly.

[0007] As preferred, the first fixing hole is arranged at the lower part of the first wing plate, providing a fixing point for connecting with the power assembly.

[0008] As preferred, the first wing plate is provided with a first low-voltage wire harness fixing hole at the lower part, providing a fixing point for the low-voltage wire harness.

[0009] As preferred, the second wing plate is provided with an upper-narrow-and-lower-wide arc transition, which on one hand avoids the wire harness above, and on the other hand provides a fixing point for connecting with the power assembly.

[0010] As preferred, the second fixing hole is arranged at the lower part of the second wing plate, providing a fixing point for connecting with the power assembly.

[0011] As preferred, the second wing plate is provided with a second low-voltage wire harness fixing hole at the lower part, providing a fixing point for the low-voltage wire harness.

[0012] As preferred, the lower part of the bending part between the first wing plate and the second wing plate is recessed, forming an avoiding area, which can better form a covering with the power assembly.

[0013] As preferred, the avoiding area is provided with a third low-voltage wire harness fixing hole, providing a fixing point for the low-voltage wire harness.

[0014] As preferred, the wire harness fixing mechanism comprises an anti-rotation bracket and a fixing bolt, one end of the wire harness buckle is fixed on the anti-rotation bracket, and the other end is fixed with the fixing bolt, providing a fixing point for the connector wire harness.

[0015] The utility model discloses the beneficial effects obtained are as follows: by increasing the fixing support of the utility model, the wire harness connector and the power assembly are constrained as a whole, the same frequency working state is kept, the wire harness relative motion is adjusted to the rear section of the connector wire cable, the relative motion of the wire harness during the driving process is avoided to pull the connector, the connector is caused to loosen or the contact is poor, or the service life of the connector is influenced, the electrical connection reliability and safety are improved, the dynamic protection is played to the wire harness connector. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the schematic diagram of the fixing support of the utility model installed on the engine assembly;

[0018] Figures 3-4 It is the connection schematic diagram of the fixing support and the connector wire harness;

[0019] Wherein: 1, the first wing plate; 11, the first fixed hole; 12, the first low pressure wire harness fixed hole; 2, the second wing plate; 21, the second fixed hole; 22, the second low pressure wire harness fixed hole; 3, the wire harness fixing mechanism; 31, the anti-rotation support; 32, the fixed bolt; 4, the avoidance area; 41, the third low pressure wire harness fixed hole; 5, the wire harness buckle; 01, the engine assembly; 02, the connector; 021, the connector outgoing wire harness; 03, the fixed support. DETAILED DESCRIPTION

[0020] The utility model makes further explanation in combination with the drawings and specific embodiment.

[0021] As Figures 1-4 shown, a kind of fixed support 03 based on wire harness connector dynamic protection of the utility model is arranged at the outgoing wire position of connector 02 of power assembly 01, including first wing plate 1 and second wing plate 2, first wing plate 1 and second wing plate 2 are bent to a certain angle and are covered in the corner of power assembly 01;First wing plate 1 is equipped with the first fixed hole 11 fixed with power assembly 01, and second wing plate 2 is equipped with the second fixed hole 21 fixed with power assembly 01;The top of bending place between first wing plate 1 and second wing plate 2 is equipped with wire harness fixing mechanism 3 for fixing connector outgoing wire harness 021.Fixed support 03 is designed based on the structure of connection equipment, wire harness arrangement, peripheral environment, fixed support 03 is fixed on power assembly 01, while wire harness fixing point is arranged on fixed support 03 to fix connector outgoing wire harness 021.

[0022] In the embodiment, first wing plate 1 is narrow on the top and wide on the bottom, which avoids connector outgoing wire harness 021 on the top and provides a fixing point connected with power assembly 01;First fixed hole 11 is arranged in the lower part of first wing plate 1, which provides a fixing point connected with power assembly;First wing plate 1 is equipped with the first low pressure wire harness fixed hole 12 in the lower part, which provides a fixing point connected with low pressure wire harness.

[0023] In the embodiment, second wing plate 2 is narrow on the top and wide on the bottom, which avoids connector outgoing wire harness 021 on the top and provides a fixing point connected with power assembly 01;Second fixed hole 21 is arranged in the lower part of second wing plate 2, which provides a fixing point connected with power assembly 01;Second wing plate 2 is equipped with the second low pressure wire harness fixed hole 22 in the lower part, which provides a fixing point connected with low pressure wire harness;The lower part of bending place between first wing plate 1 and second wing plate 2 is recessed, forming avoidance area 4, which can better form covering with power assembly 01;Avoidance area 4 is equipped with the third low pressure wire harness fixed hole 41, which provides a fixing point connected with low pressure wire harness.

[0024] In combination Figures 3-4As shown, in the embodiment, the wire harness fixing mechanism 3 comprises an anti-rotation bracket 31 and a fixing bolt 32, the wire harness buckle 021 is fixed at one end of the anti-rotation bracket 31 and the other end is fixed with the fixing bolt 32, thereby providing a fixing point for the connector outgoing wire harness 021.

[0025] The utility model discloses a fixed support 03 vibration fatigue endurance analysis, because fixed support 03 is fixed on speed reducer, will follow speed reducer same frequency vibration, produces the influence to fixed support 03 fatigue endurance strength, through the vibration curve of collection speed reducer, utilize CAE software to carry out vibration endurance simulation analysis, and the strength of support design satisfies the vibration endurance strength requirement.

[0026] The basic principle and main structural features of the utility model are shown and described above. The utility model is not limited by the above examples, and various changes and improvements can be made without departing from the spirit and scope of the utility model. These changes and improvements are within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixed support based on dynamic protection of a wiring harness connector, characterized in that: The first wing plate and the second wing plate are folded at an angle and wrapped around the corner of the power assembly at the outlet position of the power assembly connector, the first wing plate is provided with a first fixing hole for fixing the power assembly, the second wing plate is provided with a second fixing hole for fixing the power assembly, and the top of the folding part between the first wing plate and the second wing plate is provided with a wire harness fixing mechanism for fixing the wire harness of the connector outlet.

2. The fixed mount harness connector dynamic protection based on claim 1, wherein: The first wing plate is arc-shaped with the lower part being wider than the upper part.

3. The fixed mount harness connector dynamic protection based on claim 1, characterized in that: The first fixing hole is arranged at the lower part of the first wing plate.

4. The fixed mount harness connector dynamic protection based on claim 1, characterized in that: The lower part of the first wing plate is provided with a first low-voltage wire harness fixing hole.

5. The fixed mount harness connector dynamic protection based on claim 1, characterized in that: The second wing plate is arc-shaped with the lower part being wider than the upper part.

6. The fixed mount harness connector dynamic protection based on claim 1, characterized in that: The second fixing hole is arranged at the lower part of the second wing plate.

7. The fixed mount harness connector dynamic protection based on claim 1, characterized in that: The lower part of the second wing plate is provided with a second low-voltage wire harness fixing hole.

8. The fixed mount harness connector dynamic protection based on claim 1, characterized in that: The lower part of the folding part between the first wing plate and the second wing plate is recessed to form an avoiding area.

9. The fixed mount harness connector dynamic protection based on claim 8, wherein: The avoiding area is provided with a third low-voltage wire harness fixing hole.

10. The fixed mount harness connector dynamic protection based on claim 1, characterized in that: The wire harness fixing mechanism comprises an anti-rotation bracket and a fixing bolt, one end of the wire harness buckle is fixed on the anti-rotation bracket, and the other end is fixed with the fixing bolt.

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