A high-voltage wire harness connector for new energy vehicles

Abstract

The present invention relates to the field of wire harness fixing technology, and in particular to a high-voltage wire harness connector for new energy vehicles. The existing connector is not stable enough after connection. When the sub-end and the female end need to be separated, the disassembly is not convenient and labor-saving enough, and it is easy to twist during separation, thereby damaging the port of the connector. A high-voltage wire harness connector for new energy vehicles includes two connecting cylinders, etc.; three grooves are provided on the two side planes of the connecting cylinder, and the two connecting cylinders are respectively fixedly connected with a connecting sub-end and a connecting female end, and the surface of the connecting sub-end is provided with a plurality of strip grooves, and the connecting sub-end is provided with two square grooves. The line is inserted into the card slot on the card block through the inclined card block, and then the toggle frame moves horizontally for a distance to contact the upper surface of the inclined card block, and the inclined card block is limited, so that the connecting sub-end and the connecting female end are more stable after connection.

Description

Technical Field

[0001] The present invention relates to the technical field of wire harness fixing, and particularly to a high-voltage wire harness connector for new energy vehicles. Background Art

[0002] An automotive high-voltage wire harness connector is a connection component designed specifically for the high-voltage electrical system of new energy vehicles and is also a core component to ensure the reliability and safety of the high-voltage system. Its structure is generally divided into two parts: a sub-end and a female end. After wiring the sub-end and the female end respectively, they can be connected to achieve the connection between wire harnesses.

[0003] However, after the existing connectors are connected, they are not stable enough. When it is necessary to separate the sub-end and the female end, the disassembly is not convenient and labor-saving, and it is easy to twist during separation, thus damaging the ports of the connectors. Summary of the Invention

[0004] Aiming to overcome the disadvantages mentioned in the background art, the present invention provides a high-voltage wire harness connector for new energy vehicles that makes the connector more stable after connection, more convenient and labor-saving during disassembly, and not easy to twist during separation.

[0005] The technical solution is as follows: A high-voltage wire harness connector for new energy vehicles includes two connecting cylinders. Three grooves are opened on both side planes of each connecting cylinder. A connecting sub-end and a connecting female end are respectively and fixedly connected to the two connecting cylinders. A number of strip-shaped grooves are opened on the surface of the connecting sub-end, and two square grooves are opened on the connecting sub-end. Two straight grooves are opened on the inner wall of the connecting female end. An adjustable mechanism is provided on both connecting cylinders. The adjustable mechanism is used to adjust the wiring angle according to the wiring environment. A limiting mechanism is provided on the connecting sub-end. The limiting mechanism is connected to the connecting female end. The limiting mechanism is used to maintain the stability of the connection after the connecting sub-end contacts and connects with the connecting female end.

[0006] Further, the adjustable mechanism includes four swinging arms. Two swinging arms form a group. The two groups of swinging arms are respectively rotatably connected to the two connecting cylinders. A fixed frame is fixedly connected between the two swinging arms in each group. A number of through holes are opened in the fixed frame. A round-headed clamping rod is slidably connected to each swinging arm. One end of the round-headed clamping rod is located in one of the grooves on the connecting cylinder. A compression spring is connected between the round-headed clamping rod and the swinging arm. A number of fastening screws are threadedly connected to each fixed frame. A number of spring rings are fixedly connected to the side of each fixed frame. A number of bent conductive plates and straight conductive plates are fixedly connected to one side of the connecting sub-end and the connecting female end. The straight conductive plates and the bent conductive plates are both connected to the connecting cylinder.

[0007] Further, the limiting mechanism includes two support platforms, both of the two support platforms are fixedly connected to the female connection end, a toggle frame is slidably connected between the two support platforms, two magnet blocks are fixedly connected to one side of the toggle frame, two clamping blocks are fixedly connected to the female connection end, a clamping groove is formed on the clamping block, a support inclined plate is fixedly connected to the male connection end, two spring pieces are fixedly connected to one side of the support inclined plate, inclined surface clamping blocks are fixedly connected to the ends of the two spring pieces away from the support inclined plate, iron plates are fixedly connected to each of the inclined surface clamping blocks, and a connection toggle plate is fixedly connected between the two inclined surface clamping blocks.

[0008] Further, a quick-release mechanism is further included. The quick-release mechanism is arranged on the female connection end and is used to make the separation between the male connection end and the female connection end more convenient. The quick-release mechanism includes two support rods, both of the two support rods are fixedly connected to the female connection end, a rotating roller is rotatably connected between the two support rods, a support block is fixedly connected to the female connection end, a wheel frame is rotatably connected to the support block, a plurality of strip-shaped protrusions are arranged on the wheel frame, two side rods are fixedly connected to the lower part of the toggle frame, resistance blocks are fixedly connected to the ends of the two side rods close to the wheel frame, a bevel gear is fixedly connected to the rotating shaft of the rotating roller, a toothed disc is fixedly connected to one side of the wheel frame, the toothed disc is meshed with the bevel gear, and a nut is fixedly connected to the side of the rotating roller away from the bevel gear.

[0009] Further, a direct-pulling mechanism is further included. The direct-pulling mechanism is arranged on the male connection end and is used to horizontally separate the two terminals. The direct-pulling mechanism includes two piston cylinders, both of the two piston cylinders are fixedly connected to the male connection end, piston rods are slidably connected to the two piston cylinders, a return spring is connected between the piston rod and the piston cylinder, a pressure-bearing frame is fixedly connected between the two piston rods, strip-shaped air bags are fixedly connected to the bottoms of the two square grooves on the male connection end, and a connecting pipe is fixedly connected between the strip-shaped air bag and the piston cylinder.

[0010] The beneficial effects are as follows: 1. The inclined surface clamping block will be first clamped into the clamping groove on the clamping block, and then after the toggle frame moves horizontally for a certain distance, it will contact the upper surface of the inclined surface clamping block to limit the inclined surface clamping block, so that the connection between the male connection end and the female connection end is more stable after connection.

[0011] 2. In a real - world scenario, since the connection time between the male connector end and the female connector end is too long and too tight, it is difficult to separate the male connector end and the female connector end. When separating the male connector end and the female connector end, the operator first makes the toggle frame stop limiting the inclined - plane block, and the inclined - plane block stop limiting the clamping block. Then, the rotating roller is rotated. When the rotating roller rotates, it drives the gear disk to rotate together through the bevel gear. When the gear disk rotates, it drives the wheel frame to rotate together. When the wheel frame rotates, through the cooperation of the strip - shaped protrusion and the strip - shaped groove, the male connector end is pushed out of the female connector end. When it is difficult to rotate the rotating roller by hand, a wrench can be used to rotate the nut, thereby driving the rotating roller to rotate. This makes it more convenient and labor - saving to separate the male connector end and the female connector end.

[0012] 3. When the pressure - bearing frame is squeezed by other objects, the return spring is compressed. When the pressure - bearing frame is squeezed and moves downward, it drives the piston rod to move downward. When the piston rod moves downward, the air in the piston cylinder is squeezed into the strip - shaped airbag. Then, the strip - shaped airbag expands. After expansion, a part of the strip - shaped airbag is squeezed into the straight groove on the inner wall of the female connector end. Then, a part of the expanded strip - shaped airbag is in the square groove on the male connector end, and a part is in the straight groove on the inner wall of the female connector end. Then, the greater the squeezing force on the pressure - bearing frame, the greater the downward movement distance of the pressure - bearing frame, and the greater the downward movement distance of the piston rod driven by it, making the expansion degree of the strip - shaped airbag greater. When the expansion degree of the strip - shaped airbag becomes larger, it squeezes the inner wall of the square groove on the male connector end and the inner wall of the straight groove on the inner wall of the female connector end, and increases the friction force therewith, enabling the two parts of the connector to actively improve the stability when being squeezed and not being easily separated. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three - dimensional structure diagram of the present invention.

[0014] Figure 2 is a three - dimensional structure diagram of the adjustable mechanism of the present invention.

[0015] Figure 3 is a separated three - dimensional structure diagram of the adjustable mechanism of the present invention.

[0016] Figure 4 is a separated three - dimensional structure diagram of the connecting cylinder and the round - head clamping rod of the present invention.

[0017] Figure 5 is a three - dimensional structure diagram of the limiting mechanism of the present invention.

[0018] Figure 6 is a three - dimensional structure diagram of the quick - release mechanism of the present invention.

[0019] Figure 7 is of the present invention Figure 6 is an enlarged three - dimensional structure diagram of part A in

[0020] Figure 8 It is a three-dimensional structural schematic diagram of the direct-pull mechanism of the present invention.

[0021] Figure 9 It is a schematic diagram of the cross-sectional three-dimensional structure of the connecting female end of the present invention.

[0022] Figure 10 It is a partial three-dimensional structural schematic diagram of the straight-drawing mechanism of the present invention.

[0023] Figure 11 It is a schematic diagram of the separated three-dimensional structure of the direct-pull mechanism of the present invention.

[0024] The names and serial numbers of the parts in the figure are: 1_connecting cylinder, 2_connecting sub-end, 3_connecting female end, 41_swinging support arm, 42_fixing frame, 43_round head clamping rod, 44_pressure spring, 45_fastening screw, 46_spring ring, 47_bent conductive plate, 48_straight conductive plate, 51_support table, 52_switching frame, 53_magnet block, 54_blocking block, 55_support inclined plate, 56_spring sheet, 57_inclined clamping block, 58_iron plate, 59_connecting dial plate, 61_support rod, 62_rotating roller, 63_support block, 64_wheel frame, 65_side rod, 66_resistance block, 67_bevel gear, 68_toothed disc, 69_nut, 71_piston cylinder, 72_piston rod, 73_reset spring, 74_pressure frame, 75_strip airbag, 76_connecting pipe. DETAILED DESCRIPTION

[0025] The technical solution of the present invention is further described below in conjunction with the accompanying drawings.

[0026] Example 1

[0027] A high voltage wiring harness connector for new energy vehicles, such as Figures 1-11 As shown, it includes two connecting tubes 1, three grooves are opened on the two side planes of the connecting tubes 1, and the two connecting tubes 1 are respectively fixedly connected with a connecting sub-end 2 and a connecting female end 3, and a plurality of strip grooves are opened on the surface of the connecting sub-end 2, two square grooves are opened on the connecting sub-end 2, and two straight grooves are opened on the inner wall of the connecting female end 3. Adjustable mechanisms are provided on the two connecting tubes 1, and the adjustable mechanisms are used to adjust the wiring angle according to the wiring environment. A limiting mechanism is provided on the connecting sub-end 2, and the limiting mechanism is connected to the connecting female end 3. The limiting mechanism is used to maintain the stability of the connection after the connecting sub-end 2 and the connecting female end 3 are in contact and connected.

[0028] The adjustable mechanism includes four swing arms 41, two of the swing arms 41 form a group, and the two groups of swing arms 41 are rotatably connected to the two connecting tubes 1 respectively, and a fixing frame 42 is fixedly connected between the two swing arms 41 of each group, and the fixing frame 42 has a plurality of through holes, and each of the swing arms 41 is slidably connected to a round head clamping rod 43, one end of the round head clamping rod 43 is located in one of the grooves on the connecting tube 1, and a pressure spring 44 is connected between the round head clamping rod 43 and the swing arm 41, and each of the fixing frames 42 is threadedly connected to a plurality of fastening screws 45, and each of the fixing frames 42 is fixedly connected to a plurality of spring rings 46 on the side, and a plurality of bent conductive plates 47 and a straight conductive plate 48 are fixedly connected to one side of the connecting sub-end 2 and the connecting female end 3, and the straight conductive plate 48 and the bent conductive plate 47 are both connected to the connecting tube 1.

[0029] The limiting mechanism includes two support platforms 51, and the two support platforms 51 are fixedly connected to the connecting female end 3. A toggle frame 52 is slidably connected between the two support platforms 51, and two magnet blocks 53 are fixedly connected to one side of the toggle frame 52. Two positioning blocks 54 are fixedly connected to the connecting female end 3, and a positioning block 54 is provided with a slot. A supporting inclined plate 55 is fixedly connected to the connecting sub-end 2, and two spring sheets 56 are fixedly connected to one side of the supporting inclined plate 55. The ends of the two spring sheets 56 away from the supporting inclined plate 55 are fixedly connected to an inclined surface block 57, and each of the inclined surface blocks 57 is fixedly connected to an iron plate 58. A connecting toggle plate 59 is fixedly connected between the two inclined surface blocks 57.

[0030] The connector is composed of two parts, the sub-end and the female end. The operator first connects the wire harness to the sub-end and the female end respectively, and then connects the two parts together to achieve connectivity between the wire harnesses. In actual work, the operator first needs to pass the wire harness through the spring ring 46, insert it into the fixing frame 42, and make the front end of the wire harness contact with the straight conductive plate 48. Then the operator tightens each fastening screw 45 so that the fastening screw 45 squeezes the wire harness in the fixing frame 42 to complete the fixation of the wire harness. Since the straight conductive plate 48 and the bent conductive plate 47 are both connected to the connecting sub-end 2 and the connecting female end 3, the wire harness is also electrically connected to the connecting sub-end 2 and the connecting female end 3. In the wiring harness connection work of new energy vehicles, due to the different spatial environment inside the car, the wiring harness needs to be bent to fit the surface of the internal structure of the car. Then the operator can pull up the round head clamp rod 43 before wiring, and make the fixing frame 42 rotate 90°, and then put down the round head clamp rod 43, so that the round head clamp rod 43 is stuck in another groove, and then the operator can connect the wires. Since the fixing frame 42 rotates 90°, after the operator connects the wires, the front end of the wire harness contacts the bent conductive plate 47. In this way, by rotating the fixing frame 42, the wiring angle is different, which can make the wiring harness connection more convenient in a narrow environment. After the wiring is completed, the operator connects the sub-terminal 2 is horizontally aligned with the connecting female end 3, and the connecting sub-end 2 is horizontally inserted into the connecting female end 3. When the connecting sub-end 2 is horizontally inserted into the connecting female end 3, the inclined card block 57 will be stuck in the card slot on the card block 54, and the connecting sub-end 2 and the connecting female end 3 are limited. When the connecting sub-end 2 is horizontally inserted into the connecting female end 3, the distance between the magnet block 53 and the iron plate 58 is continuously reduced. After the inclined card block 57 is stuck in the card slot on the card block 54, the magnet block 53 will move horizontally for a distance toward the direction close to the iron plate 58 under the action of magnetic force, and the magnet block 53 will eventually attract the iron plate 58. The horizontal movement of the magnet block 53 will drive the toggle frame 52 to move horizontally together. After a certain distance, the toggle frame 52 will contact the upper surface of the inclined surface block 57 after moving horizontally for a certain distance, so that the toggle frame 52 can limit the inclined surface block 57, so that the connection between the connecting sub-end 2 and the connecting female end 3 is more stable. When the connecting sub-end 2 and the connecting female end 3 need to be disassembled and separated, the operator only needs to push the toggle frame 52 to separate the iron plate 58 from the magnet block 53, and the toggle frame 52 is no longer in the limiting inclined surface block 57, and then toggle the connection dial plate 59 to drive the inclined surface block 57 to swing upward, and the spring sheet 56 is deformed, so that the inclined surface block 57 is separated from the positioning block 54, and then the connecting sub-end 2 and the connecting female end 3 are horizontally separated.

[0031] Example 2

[0032] On the basis of Example 1, Figures 6-7As shown, a quick-release mechanism is also included, which is arranged on the connecting female end 3. The quick-release mechanism is used to make the separation between the connecting sub-end 2 and the connecting female end 3 more convenient. The quick-release mechanism includes two support rods 61, and the two support rods 61 are fixedly connected to the connecting female end 3. A rotating roller 62 is rotatably connected between the two support rods 61. A supporting block 63 is fixedly connected to the connecting female end 3, and a wheel frame 64 is rotatably connected to the supporting block 63. A plurality of strip-shaped protrusions are provided on the wheel frame 64. Two side rods 65 are fixedly connected to the lower part of the toggle frame 52, and resistance blocks 66 are fixedly connected to one end of the two side rods 65 close to the wheel frame 64. A bevel gear 67 is fixedly connected to the rotating shaft of the rotating roller 62, and a toothed disc 68 is fixedly connected to one side of the wheel frame 64, and the toothed disc 68 meshes with the bevel gear 67. A nut 69 is fixedly connected to the side of the rotating roller 62 away from the bevel gear 67.

[0033] At first, after the connecting sub-end 2 and the connecting female end 3 are connected, the strip protrusion on the wheel frame 64 will cooperate with the strip groove on the connecting sub-end 2, and the toggle frame 52 will move horizontally for a distance together with the magnet block 53, and the toggle frame 52 will also drive the side rod 65 and the resistance block 66 to move horizontally for a distance, so that the resistance block 66 squeezes the side of the wheel frame 64 to prevent the wheel frame 64 from rotating. In a real situation, since the connecting sub-end 2 and the connecting female end 3 are connected for too long and too tightly, it is difficult to separate the connecting sub-end 2 and the connecting female end 3. When separating the connecting sub-end 2 and the connecting female end 3, the operator The operator first makes the toggle frame 52 no longer limit the inclined surface block 57, and the inclined surface block 57 no longer limits the blocking block 54, and then rotates the rotating roller 62. The rotation of the rotating roller 62 will drive the toothed disc 68 to rotate together through the bevel gear 67, and the rotation of the toothed disc 68 will drive the wheel frame 64 to rotate together. The rotation of the wheel frame 64 will push the connecting sub-end 2 out of the connecting female end 3 through the cooperation of the strip protrusion and the strip groove. When it is difficult to rotate the rotating roller 62 by hand, the nut 69 can be turned with a wrench to drive the rotating roller 62 to rotate, which makes it more convenient and labor-saving to separate the connecting sub-end 2 and the connecting female end 3.

[0034] Example 3

[0035] On the basis of Example 2, Figures 8-11As shown in the figure, it further includes a direct-pulling mechanism, which is arranged on the connecting sub-end 2 and is used to horizontally separate the two terminals. The direct-pulling mechanism includes two piston cylinders 71, both of the two piston cylinders 71 are fixedly connected to the connecting sub-end 2, and piston rods 72 are slidably connected to both of the two piston cylinders 71. A return spring 73 is connected between the piston rod 72 and the piston cylinder 71. A pressure-bearing frame 74 is fixedly connected between the two piston rods 72. Bar-shaped air bags 75 are fixedly connected to the bottoms of the two square grooves on the connecting sub-end 2. A connecting pipe 76 is fixedly connected between the bar-shaped air bag 75 and the piston cylinder 71.

[0036] After the connecting sub-end 2 is horizontally inserted into the connecting female end 3, when the pressure-bearing frame 74 is squeezed by other objects, the return spring 73 is compressed. The pressure-bearing frame 74 is squeezed and moves downward, which will drive the piston rod 72 to move downward. The piston rod 72 moving downward will squeeze the air in the piston cylinder 71 into the bar-shaped air bag 75. Then the bar-shaped air bag 75 will expand. A part of the expanded bar-shaped air bag 75 will be squeezed into the straight groove on the inner wall of the connecting female end 3. Then a part of the expanded bar-shaped air bag 75 is in the square groove on the connecting sub-end 2, and a part is in the straight groove on the inner wall of the connecting female end 3. Then the greater the squeezing force on the pressure-bearing frame 74, the greater the downward movement distance of the pressure-bearing frame 74, and then the greater the downward movement distance of the piston rod 72 driven, making the expansion degree of the bar-shaped air bag 75 greater. The increase in the expansion degree of the bar-shaped air bag 75 will squeeze the inner wall of the square groove on the connecting sub-end 2 and the inner wall of the straight groove on the inner wall of the connecting female end 3, and increase the friction force therebetween, so that when the two parts of the connector are squeezed, the stability can be actively improved and it is not easy to separate.

[0037] The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A high-voltage wiring harness connector for new energy vehicles, characterized in that: The invention comprises two connecting tubes (1), three grooves are respectively formed on the two side planes of the connecting tubes (1), a connecting sub-end (2) and a connecting female end (3) are respectively fixedly connected to the two connecting tubes (1), a plurality of strip grooves are formed on the surface of the connecting sub-end (2), an adjustable mechanism is provided on the two connecting tubes (1), the adjustable mechanism is used to adjust the connection angle according to the connection environment, a limiting mechanism is provided on the connecting sub-end (2), the limiting mechanism is connected to the connecting female end (3), and the limiting mechanism is used to maintain the stability of the connection after the connecting sub-end (2) and the connecting female end (3) are in contact and connected; The limiting mechanism comprises two support platforms (51), the two support platforms (51) are fixedly connected to the connecting female end (3), a toggle frame (52) is slidably connected between the two support platforms (51), one side of the toggle frame (52) is fixedly connected to two magnet blocks (53), the connecting female end (3) is fixedly connected to two positioning blocks (54), the positioning blocks (54) are provided with a positioning groove, the connecting sub-end (2) is fixedly connected to a supporting inclined plate (55), one side of the supporting inclined plate (55) is fixedly connected to two spring sheets (56), the ends of the two spring sheets (56) away from the supporting inclined plate (55) are fixedly connected to an inclined surface block (57), each of the inclined surface blocks (57) is fixedly connected to an iron plate (58), and a connecting toggle plate (59) is fixedly connected between the two inclined surface blocks (57); The adjustable mechanism comprises four swing arms (41), two of the swing arms (41) forming a group, the two groups of swing arms (41) being rotatably connected to the two connecting tubes (1) respectively, a fixing frame (42) being fixedly connected between the two swing arms (41) of each group, the fixing frame (42) being provided with a plurality of through holes, each of the swing arms (41) being slidably connected to a round-head clamping rod (43), one end of the round-head clamping rod (43) being located in one of the grooves on the connecting tube (1) A pressure spring (44) is connected between the round-head clamping rod (43) and the swing arm (41); a plurality of fastening screws (45) are threadedly connected to each of the fixing frames (42); a plurality of spring rings (46) are fixedly connected to the side of each of the fixing frames (42); a plurality of bent conductive plates (47) and straight conductive plates (48) are fixedly connected to one side of the connecting sub-end (2) and the connecting female end (3); and the straight conductive plates (48) and the bent conductive plates (47) are both connected to the connecting tube (1).

2. A new energy vehicle high voltage wiring harness connector according to claim 1, characterized in that: The connecting sub-end (2) is provided with two square grooves, and the inner wall of the connecting female end (3) is provided with two straight grooves.

3. A new energy vehicle high voltage wiring harness connector according to claim 1, characterized in that: The invention also comprises a quick release mechanism, the quick release mechanism being arranged on the connecting female end (3), the quick release mechanism being used to make the separation between the connecting sub-end (2) and the connecting female end (3) more convenient, the quick release mechanism comprising two support rods (61), the two support rods (61) being fixedly connected to the connecting female end (3), a rotating roller (62) being rotatably connected between the two support rods (61), a supporting block (63) being fixedly connected to the connecting female end (3), and a rotating roller (62) being rotatably connected to the supporting block (63). The toggle frame (52) is connected to a wheel frame (64), the lower part of which is fixedly connected to two side rods (65), one end of each of the two side rods (65) close to the wheel frame (64) being fixedly connected to a resistance block (66), the rotating shaft of the rotating roller (62) being fixedly connected to a bevel gear (67), one side of the wheel frame (64) being fixedly connected to a toothed disc (68), the toothed disc (68) being meshed with the bevel gear (67), and the side of the rotating roller (62) away from the bevel gear (67) being fixedly connected to a nut (69).

4. A new energy vehicle high voltage wiring harness connector according to claim 3, characterized in that: The wheel frame (64) is provided with a plurality of strip-shaped protrusions.

5. A new energy vehicle high voltage wiring harness connector according to claim 3, characterized in that: The invention also comprises a straight-pull mechanism, which is arranged on the connecting sub-end (2) and is used to separate the two terminals horizontally. The straight-pull mechanism comprises two piston cylinders (71), which are fixedly connected to the connecting sub-end (2), and are slidably connected to piston rods (72). A return spring (73) is connected between the piston rods (72) and the piston cylinders (71), and a pressure frame (74) is fixedly connected between the two piston rods (72). The bottoms of the two square grooves on the connecting sub-end (2) are fixedly connected to strip air bags (75), and a connecting pipe (76) is fixedly connected between the strip air bags (75) and the piston cylinders (71).

Images