Range-extending high-voltage wiring harness for new energy automobile

By adopting the design of wire harness fixing clamps and wrapping straps in the extended-range high-voltage wire harness for new energy vehicles, combined with the self-locking clamp and limit swing plate structure, the problems of wire harness wear and loose plugs are solved, the wire harness is fixed and the plug connection is tight, thereby improving safety.

CN223363527UActive Publication Date: 2025-09-19SUZHOU JIEYUAN PRECISION MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422734203.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-19
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Existing high-voltage wiring harnesses for extended-range new energy vehicles are prone to wiring harness wear and loose plugs during long-term use, leading to safety hazards and high-voltage electric sparks.

Method used

The wiring harness cells are arranged in a circular array around the central cell and fixed by wiring harness clamps and wrapping straps. Combined with the self-locking clamp and the limiting swing plate structure, the position of the wiring harness cells is ensured to be fixed, and the tightness of the plug connection is improved by the plug's fixed slot and locking rod structure.

Benefits of technology

It effectively prevents wiring harness and battery core entanglement and wear, enhances the tightness of plug connection, and avoids safety hazards and the occurrence of high-voltage electric sparks.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223363527U_ABST
    Figure CN223363527U_ABST
Patent Text Reader

Abstract

The utility model provides a range-extending high-voltage wire harness for a new energy automobile, belongs to the field of high-voltage wire harnesses, and aims to solve the problems that potential safety hazards exist in wire harness friction and joints are easy to loosen. The six wire harness battery cells are arranged around the central battery cell in an annular array, wire harness fixing clamps are clamped among the wire harness battery cells, front end plugs are inserted into the front ends of the wire harness battery cells, rear end plugs are inserted into the rear ends of the wire harness battery cells, self-locking hoops are installed in the side walls of the front end plugs and the rear end plugs, limiting swing pieces are hinged to the bottoms of the rear side walls of the rear end plugs, and the limiting swing pieces are hinged to the bottom of the rear side wall of each wire harness battery cell. A fixed plug pin is inserted into one side of the limiting swing sheet; according to the range-extending high-voltage wiring harness for the new energy automobile, the wiring harness fixing clamps are clamped between the battery cells of the wiring harness battery cells, so that the positions of the battery cells of the wiring harness battery cells are fixed through the wiring harness fixing clamps, winding of the battery cells of the wiring harness battery cells is avoided, mutual abrasion is prevented, the wiring harness battery cells are gathered through winding of the winding binding band, and the wiring harness battery cells are prevented from being damaged. And the wire harness cell is convenient to fix.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage wire harnesses, and in particular to a range-extended high-voltage wire harness for new energy vehicles. Background Art

[0002] The extended-range high-voltage wiring harness for new energy vehicles is a cable for internal power connections in new energy vehicles. It can be configured for internal and external wiring harness connections in electric vehicles according to different voltage levels. Existing extended-range high-voltage wiring harnesses usually gather the wiring harnesses and wrap them with tape. Under long-term use, the wiring harnesses will rub against each other in the tape, which can easily cause the wiring harnesses to wear. In particular, the high-voltage wiring harness used for range extension is prone to safety hazards, and the wiring harness plug will also become loose during connection, and gaps will appear between the parts, resulting in high-voltage electric sparks caused by friction. Utility Model Content

[0003] The purpose of the present utility model is to provide a high-voltage wire harness for extending the range of new energy vehicles, so as to solve the problem proposed in the above-mentioned background technology that the existing high-voltage wire harness for extending the range will rub against each other in the tape when used for a long time, causing the wire harness to be worn. In particular, the high-voltage wire harness for extending the range is prone to safety hazards, and the wire harness plug will also become loose during connection, resulting in the problem of high-voltage electric sparks.

[0004] The purpose and function of the utility model of the extended-range high-voltage wiring harness for new energy vehicles are achieved by the following specific technical means:

[0005] A range-extended high-voltage wiring harness for new energy vehicles, wherein the range-extended high-voltage wiring harness for new energy vehicles includes a wiring harness battery cell; six wiring harness battery cells are arranged in a circular array around a central battery cell, wiring harness fixing clips are clamped between the wiring harness battery cells, a front-end plug is plugged into the front end of the wiring harness battery cell, a rear-end plug is plugged into the rear end of the wiring harness battery cell, self-locking clamps are installed in the side walls of the front-end plug and the rear-end plug, a limit swing piece is hinged to the bottom of the rear side wall of the rear-end plug, and a fixing pin is plugged into one side of the limit swing piece.

[0006] Furthermore, six fixed wire grooves are opened in a circular array in the outer wall of the wire harness fixing clamp, and the middle of the wire harness fixing clamp and the fixed wire grooves are connected to the wire harness core, and the outer side of the wire harness core is spirally wrapped with a winding tape.

[0007] Furthermore, a wiring harness battery cell is inserted into the rear side wall of the front end plug, a front fixing slot is opened in the outer side wall of the front end plug, a self-locking clamp is clamped in the front fixing slot, the wiring harness battery cell passes through the front fixing slot, a connection slot is opened in the top of the front side wall of the front end plug, a rectangular fixing slot is opened at the bottom of the front side wall of the front end plug, and two locking holes are symmetrically opened in the rear side wall of the fixing slot.

[0008] Furthermore, a wiring harness cell and a rear fixed slot are inserted into the front side wall of the rear end plug, and the wiring harness cell passes through the rear fixed slot. A connecting plug is fixedly connected to the top of the rear side wall of the rear end plug, and the connecting plug is inserted into the connecting slot of the adjacent front end plug. A rectangular fixing block is fixedly installed on the bottom of the rear side wall of the rear end plug, and the fixing block is inserted into the fixing slot of the adjacent front end plug. Two locking rods are symmetrically installed on the rear side wall of the fixing block, and the locking rods pass through the locking holes connected to the rear side wall of the fixing slot.

[0009] Furthermore, a groove is provided in the locking rod at the bottom of the rear side wall of the rear end plug, and a hinge column is fixedly installed at the front end of the groove. A limit swing piece is connected to the hinge column, and a sliding connection hole is provided in the limit swing piece, which is rotatably connected to the hinge column.

[0010] Furthermore, a fixing pin is inserted into the bottom of one side of the sliding connection hole of the limiting swing piece, and a locking rod is connected through the top of the fixing pin. The rectangular block at the front end of the locking rod is clamped on the front side wall of the top of the fixing pin, and the rear end of the locking rod is threadedly connected to a nut.

[0011] The utility model provides a range-extended high-voltage wiring harness for new energy vehicles, which has the following beneficial effects:

[0012] 1. By clamping the wiring harness fixing clip between the battery cells of the wiring harness battery cells, the battery cell position of the wiring harness battery cells can be fixed by the wiring harness fixing clip to avoid the battery cells of the wiring harness battery cells from being entangled and prevent mutual wear. The wiring harness battery cells are gathered by winding the winding tape to facilitate the fixation of the wiring harness battery cells.

[0013] 2. By opening a rear fixing slot in the outer side wall of the rear end plug and adopting the same fixing operation as the front end plug, the rear end plug and the adjacent front end plug are connected, and the connecting slot of the front end plug and the connecting plug of the rear end plug are connected, and the fixing block is inserted into the fixing slot so that the locking rod passes through the locking hole and plays an auxiliary fixing effect. After the locking rod passes through the locking hole, the limit swing piece is pulled out from the rear end of the locking rod and rotated ninety degrees, so that the limit swing piece changes from a longitudinal state to a horizontal state, and then the fixing pin is inserted from the bottom of the limit swing piece into the gap between the sliding connection hole and the outer wall of the locking rod, and the locking rod is inserted into the top of the fixing pin to fix the fixing pin, thereby improving the tightness of the connection between the adjacent front end plug and the rear end plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model from the right front side axis view;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model from the left rear side;

[0016] Figure 3 This is a schematic diagram of the utility model's overall split right front side axial view;

[0017] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0018] Figure 5 This is a schematic diagram of the disassembled structure of the rear end plug, the limiting swing piece and the fixing pin of the utility model;

[0019] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure at point B.

[0020] In the figure, the corresponding relationship between component names and drawing numbers is as follows:

[0021] 1. Wiring harness core; 2. Wiring harness fixing clip; 201. Fixed wire slot; 3. Wrapping strap; 4. Front plug; 401. Front fixed slot; 402. Connection slot; 403. Fixed slot; 404. Locking jack; 5. Rear plug; 501. Rear fixed slot; 502. Connection plug; 503. Fixed plug block; 504. Locking rod; 505. Articulated column; 6. Self-locking clamp; 7. Limiting swing piece; 701. Sliding connection hole; 8. Fixed pin; 9. Locking rod. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0023] Example 1:

[0024] As attached Figure 1 To the attached Figure 6 As shown:

[0025] The utility model provides a range-extended high-voltage wiring harness for new energy vehicles, comprising: a wiring harness battery core 1; six wiring harness battery cores 1 are arranged in a ring array around a central battery core; a wiring harness fixing clip 2 is clamped between the wiring harness battery cores 1; a front end plug 4 is plugged into the front end of the wiring harness battery core 1; a rear end plug 5 is plugged into the rear end of the wiring harness battery core 1; a self-locking clamp 6 is installed in the side walls of the front end plug 4 and the rear end plug 5; a limit swing piece 7 is hingedly connected to the bottom of the rear side wall of the rear end plug 5; a fixing pin 8 is plugged into one side of the limit swing piece 7; a self-locking clamp 6 is installed in the side walls of the wiring harness fixing clip 2; a self-locking clamp 6 is installed in the side walls of the front end plug 4 and the rear end plug 5 ... The circular array is provided with six fixed wire grooves 201, and the wire harness battery cell 1 is connected to the middle of the wire harness fixing clamp 2 and the fixed wire groove 201. The outer side of the wire harness battery cell 1 is spirally wound with a winding tape 3. The specific function is to clamp the wire harness fixing clamp 2 between the battery cells of the wire harness battery cell 1 so as to fix the battery cell position of the wire harness battery cell 1 through the wire harness fixing clamp 2, avoid the battery cells of the wire harness battery cell 1 from being entangled, prevent mutual wear, and gather the wire harness battery cell 1 by winding the winding tape 3, so as to facilitate the fixation of the wire harness battery cell 1.

[0026] Among them, the wiring harness battery 1 is inserted into the rear side wall of the front end plug 4, a front fixing slot 401 is opened in the outer side wall of the front end plug 4, a self-locking hoop 6 is clamped in the front fixing slot 401, the wiring harness battery 1 passes through the front fixing slot 401, a connection slot 402 is opened in the top of the front side wall of the front end plug 4, a rectangular fixing slot 403 is opened at the bottom of the front side wall of the front end plug 4, and two locking holes 404 are symmetrically opened in the rear side wall of the fixing slot 403. The specific function is to open the front fixing slot 401 in the outer side wall of the front end plug 4, so that after the wiring harness battery 1 is connected to the rear end of the front end plug 4, the self-locking hoop 6 is connected in the front fixing slot 401 to apply locking force to the wiring harness battery 1, so as to avoid the problem of the wiring harness battery 1 and the front end plug 4 being detached during subsequent use.

[0027] Among them, the front side wall of the rear end plug 5 is plugged with a wiring harness core 1, a rear fixed slot 501, and the wiring harness core 1 passes through the rear fixed slot 501. The top of the rear side wall of the rear end plug 5 is fixedly connected with a connecting plug 502, and the connecting plug 502 is plugged into the connecting slot 402 of the adjacent front end plug 4. A rectangular fixed plug 503 is fixedly installed at the bottom of the rear side wall of the rear end plug 5, and the fixed plug 503 is plugged into the fixed slot 403 of the adjacent front end plug 4. Two locking rods 503 are symmetrically installed on the rear side wall of the fixed plug 503. 4. The locking rod 504 is connected to the locking hole 404 on the rear side wall of the fixing slot 403. Specifically, by opening a rear fixing slot 501 in the outer side wall of the rear end plug 5 and adopting the same fixing operation as the front end plug 4, the rear end plug 5 is connected to the adjacent front end plug 4, and by connecting the connecting slot 402 of the front end plug 4 and the connecting plug 502 of the rear end plug 5, and plugging the fixing block 503 into the fixing slot 403, the locking rod 504 passes through the locking hole 404 and plays an auxiliary fixing effect.

[0028] Among them, a groove is provided in the locking rod 504 at the bottom of the rear side wall of the rear end plug 5, and a hinge column 505 is fixedly installed at the front end of the groove. The hinge column 505 is connected to the limit swing piece 7, and a sliding connection hole 701 is provided in the limit swing piece 7. The sliding connection hole 701 is rotatably connected to the hinge column 505. A fixed pin 8 is inserted at the bottom of the sliding connection hole 701 of the limit swing piece 7. A locking rod 9 is connected to the top of the fixed pin 8 from front to back. The rectangular block at the front end of the locking rod 9 is clamped on the front side wall of the top of the fixed pin 8. The locking rod The rear end of 9 is threadedly connected with a nut. Its specific function is that after the locking rod 504 passes through the locking hole 404, the limiting swing piece 7 is pulled out from the rear end of the locking rod 504 and rotated ninety degrees, so that the limiting swing piece 7 changes from a longitudinal state to a transverse state, and then the fixing pin 8 is inserted from the bottom of the limiting swing piece 7 into the gap between the sliding connection hole 701 and the outer wall of the locking rod 504, and the locking rod 9 is inserted into the top of the fixing pin 8 to fix the fixing pin 8, thereby improving the tightness of the connection between the adjacent front end plug 4 and the rear end plug 5.

[0029] The specific usage and function of this embodiment are as follows:

[0030] When using the extended-range high-voltage wiring harness for new energy vehicles, the wiring harness fixing clip 2 is clamped between the battery cells of the wiring harness battery cell 1 so that the battery cell position of the wiring harness battery cell 1 can be fixed by the wiring harness fixing clip 2 to avoid the battery cells of the wiring harness battery cell 1 from being entangled and prevent mutual wear, and the wiring harness battery cell 1 is gathered by wrapping the wrapping band 3, and a front fixing slot 401 is opened in the outer wall of the front end plug 4 so that after the wiring harness battery cell 1 is connected to the rear end of the front end plug 4, a locking force is applied to the wiring harness battery cell 1 by connecting the self-locking clamp 6 in the front fixing slot 401, and a rear fixing slot 501 is opened in the outer wall of the rear end plug 5, and the same fixing operation as the front end plug 4 is adopted, and then the rear end plug 5 and the adjacent front end plug 4 are connected. The end plug 4 is connected by connecting the connecting slot 402 of the front end plug 4 and the connecting plug 502 of the rear end plug 5, and plugging the fixing block 503 into the fixing slot 403 so that the locking rod 504 passes through the locking hole 404 and plays an auxiliary fixing effect. After the locking rod 504 passes through the locking hole 404, the limiting swing piece 7 is pulled out from the rear end of the locking rod 504 and rotated ninety degrees, so that the limiting swing piece 7 changes from a longitudinal state to a horizontal state, and then the fixing pin 8 is inserted from the bottom of the limiting swing piece 7 into the gap between the sliding connection hole 701 and the outer wall of the locking rod 504, and the locking rod 9 is inserted into the top of the fixing pin 8 to fix the fixing pin 8, thereby improving the tightness of the connection between the adjacent front end plug 4 and the rear end plug 5.

[0031] Example 2:

[0032] By splitting the fixing block 503 at the bottom of the rear side wall of the rear end plug 5 into two parts and dividing the fixing slot 403 at the bottom of the front side wall of the front end plug 4 into two parts, the firmness of the connection between the fixing block 503 and the fixing slot 403 can be improved.

Claims

1. A high-voltage wiring harness for extended-range new energy vehicles, characterized by: The invention comprises a wiring harness core (1); six wiring harness cores (1) are arranged in a ring array around a central core; wiring harness fixing clips (2) are clamped between the wiring harness cores (1); a front end plug (4) is plugged into the front end of the wiring harness core (1); a rear end plug (5) is plugged into the rear end of the wiring harness core (1); self-locking clamps (6) are installed in the side walls of the front end plug (4) and the rear end plug (5); a limit swing piece (7) is hingedly connected to the bottom of the rear side wall of the rear end plug (5); and a fixing pin (8) is plugged into one side of the limit swing piece (7).

2. The range-extended high-voltage wiring harness for new energy vehicles according to claim 1, characterized in that: Six fixed wire grooves (201) are provided in a circular array in the outer wall of the wire harness fixing clamp (2), a wire harness core (1) is connected to the middle of the wire harness fixing clamp (2) and the fixed wire grooves (201), and a winding band (3) is spirally wound around the outer side of the wire harness core (1).

3. The range-extended high-voltage wiring harness for new energy vehicles according to claim 1, characterized in that: A wiring harness core (1) is inserted into the rear side wall of the front end plug (4), a front fixing slot (401) is provided in the outer side wall of the front end plug (4), a self-locking clamp (6) is clamped in the front fixing slot (401), the wiring harness core (1) passes through the front fixing slot (401), a connection slot (402) is provided in the top of the front side wall of the front end plug (4), a rectangular fixing slot (403) is provided in the bottom of the front side wall of the front end plug (4), and two locking holes (404) are symmetrically provided in the rear side wall of the fixing slot (403).

4. The range-extended high-voltage wiring harness for new energy vehicles according to claim 1, characterized in that: A wiring harness core (1) and a rear fixed slot (501) are inserted into the front side wall of the rear end plug (5), and the wiring harness core (1) passes through the rear fixed slot (501). A connecting plug (502) is fixedly connected to the top of the rear side wall of the rear end plug (5), and the connecting plug (502) is inserted into the connecting slot (402) of the adjacent front end plug (4). A rectangular fixing plug (503) is fixedly installed at the bottom of the rear side wall of the rear end plug (5), and the fixing plug (503) is inserted into the fixing slot (403) of the adjacent front end plug (4). Two locking rods (504) are symmetrically installed on the rear side wall of the fixing plug (503), and the locking rods (504) pass through and are connected to the locking jack (404) on the rear side wall of the fixing slot (403).

5. The range-extended high-voltage wiring harness for new energy vehicles according to claim 1, characterized in that: A groove is provided in the locking rod (504) at the bottom of the rear side wall of the rear end plug (5), a hinge column (505) is fixedly installed at the front end of the groove, a limit swing piece (7) is connected to the hinge column (505), a sliding connection hole (701) is provided in the limit swing piece (7), and the sliding connection hole (701) is rotatably connected to the hinge column (505).

6. The range-extended high-voltage wiring harness for new energy vehicles according to claim 1, characterized in that: A fixing pin (8) is inserted into the bottom of one side of the sliding connection hole (701) of the position-limiting swing piece (7), and a locking rod (9) is connected to the front and rear ends of the top of the fixing pin (8). The rectangular block at the front end of the locking rod (9) is clamped on the front side wall of the top end of the fixing pin (8), and the rear end of the locking rod (9) is threadedly connected to a nut.