CN210806161U

CN210806161U - High-voltage connector and vehicle with same

Info

Publication number: CN210806161U
Application number: CN201922121455.XU
Authority: CN
Inventors: 黄星星; 全金龙; 袁野; 潘东洋
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-06-19
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a high pressure connector and vehicle that has it, high pressure connector includes: a flange housing having a wire passing hole; the cable penetrates through the wire passing hole; a terminal connected to the cable and located outside the flange housing; the flange shell is provided with a limiting claw, and the limiting claw is formed at one end, far away from the terminal, of the wire passing hole and is arranged around the cable. According to the utility model discloses high-pressure connector has advantages such as assembly process is simple, with low costs.

Description

High-voltage connector and vehicle with same

Technical Field

The utility model belongs to the technical field of the high-pressure connection technique and specifically relates to a high-pressure connector and have vehicle of high-pressure connector.

Background

In the high-voltage connector in the related art, the end cover is usually assembled at the rear end of the flange shell independently, the end cover is connected with the flange shell through the buckle, a structure matched with the buckle needs to be added on the flange shell, the end cover is sleeved into a cable during assembly, the end cover with the cable is pushed forwards and clamped with the flange shell, and the design of the end cover structure is complex in assembly and increases cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a high voltage connector, which has the advantages of simple assembling process and low cost.

The utility model discloses still provide a vehicle that has above-mentioned high voltage connector.

According to the utility model discloses an embodiment of first aspect provides a high voltage connector, high voltage connector includes: a flange housing having a wire passing hole; the cable penetrates through the wire passing hole; a terminal connected to the cable and located outside the flange housing; the flange shell is provided with a limiting claw, and the limiting claw is formed at one end, far away from the terminal, of the wire passing hole and is arranged around the cable.

According to the utility model discloses high-pressure connector has advantages such as assembly process is simple, with low costs.

According to some embodiments of the utility model, spacing claw is a plurality of, and is a plurality of spacing claw follows the circumference interval of crossing the line hole set up in cross the internal perisporium of line hole.

Further, the width of each limiting claw is gradually reduced from the flange shell to the direction of the cable.

Furthermore, fillets are respectively formed at two sides of one end, far away from the flange shell, of each limiting claw in the axial direction of the wire passing hole.

According to some embodiments of the present invention, the high voltage connector further comprises: the cable sealing ring is sleeved on the outer side of the cable and located in the wire passing hole, and the cable sealing ring stops at the limiting claw in the direction far away from the terminal.

Furthermore, the inner peripheral surface and the outer peripheral surface of the cable sealing ring are respectively provided with a plurality of ribs, and the plurality of ribs are arranged along the axial direction of the cable sealing ring.

According to some specific examples of the invention, the high voltage connector further comprises: the shielding connecting ring is sleeved on the outer side of the cable and is positioned in the wire passing hole; the shielding compression joint ring is sleeved on the outer side of the shielding connection ring and is positioned in the wire passing hole; the shielding connecting ring and the shielding crimping ring are stopped at the cable sealing ring in the direction away from the terminal.

Furthermore, the cable comprises a wire core, an insulating sleeve, a shielding sleeve and a sheath which are sequentially sleeved from inside to outside along the radial direction of the cable, wherein the shielding sleeve is turned outwards to a position between the shielding crimping ring and the shielding connecting ring in the direction far away from the terminal.

Furthermore, the end of the shielding crimp ring facing the terminal is configured with a flange, and the flange is stopped at the end face of the flange housing facing the terminal.

Furthermore, the end face, facing the terminal, of the flange shell is provided with a sinking groove, the sinking groove is arranged around the wire passing hole, and the outward turned edge is matched with the sinking groove.

According to some specific examples of the present invention, the terminal includes weld part and connecting portion, connecting portion has two clamping jaws, two clamping jaw centre gripping the insulating cover of cable just staggers the setting in the length direction of cable, the sinle silk with the weld part welding.

According to some embodiments of the present invention, the high voltage connector further comprises: the orientation of flange casing the terminal end face structure has the annular, the annular centers on cross the wire hole setting, the casing seal ring assemble in the annular.

According to some embodiments of the utility model, the cable is the aluminium cable, the flange casing is the plastic casing.

According to some embodiments of the present invention, the flange housing has a plurality of the wire through holes, the cables are inserted into the plurality of the wire through holes in a one-to-one correspondence, and the terminals are connected to the plurality of the cables in a plurality of the one-to-one correspondence; each wire passing hole is far away from one end of the terminal and is provided with the limiting claw, and the limiting claws are arranged around the corresponding cables.

According to an embodiment of the second aspect of the present invention a vehicle is proposed, which comprises a high voltage connector according to an embodiment of the first aspect of the present invention.

According to the utility model discloses vehicle, through utilizing according to the utility model discloses an embodiment of first aspect high-pressure connector, have assembly efficiency height, advantage such as with low costs.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a high-voltage connector according to an embodiment of the present invention.

Fig. 2 is an exploded view of a high voltage connector according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a high-voltage connector according to an embodiment of the present invention.

Fig. 4 is a front view of a flange housing of a high-voltage connector according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of a flange housing of a high-pressure connector according to an embodiment of the present invention.

Reference numerals:

a high-voltage connector 1,

A flange shell 100, a wire through hole 110, a limiting claw 120, a round corner 121, a sink groove 130,

A cable 200, a wire core 210, an insulating sleeve 220, a shielding sleeve 230, a sheath 240,

Terminal 300, soldering part 310, connecting part 320, clamping jaw 321,

A cable sealing ring 400, a rib 410,

A shielding connecting ring 500,

A shielding crimping ring 600, an outer flange 610,

A housing seal ring 700, and a ring groove 710.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, "a plurality" means two or more.

The high-voltage connector 1 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1 to 5, a high voltage connector 1 according to an embodiment of the present invention includes a flange housing 100, a cable 200, and a terminal 300.

The flange housing 100 has a wire through hole 110, and the wire through hole 110 may penetrate the flange housing 100 in an axial direction (front-rear direction) of the flange housing 100. The cable 200 is inserted through the wire passing hole 110. The terminal 300 is connected to the cable 200 and is located outside the flange housing 100, for example, in front of the flange housing 100.

The flange housing 100 is configured with a limiting claw 120, the limiting claw 120 may be integrally formed with the flange housing 100, the limiting claw 120 is formed at one end of the wire passing hole 110 far away from the terminal 300, that is, at the rear end of the wire passing hole 110, and the limiting claw 120 is disposed around the cable 200 to fix the cable 200.

According to the utility model discloses high-pressure connector 1, through construct spacing claw 120 on flange casing 100, spacing claw 120 sets up around cable 200, can play the fixed action to cable 200, prevents that cable 200 from rocking. Therefore, an end cover in the related art can be omitted, the number of parts is reduced, the assembly process is simplified, the assembly tolerance between the parts is eliminated, and the cost is reduced. In addition, the integral structure can improve the stability of the integral structure, and the waterproof and airtight grade is improved, for example, the grade of IP68 can be effectively achieved.

Therefore, the high-voltage connector 1 according to the embodiment of the present invention has the advantages of simple assembling process, low cost, etc.

The cable 200 may be an aluminum cable, and the flange housing 100 may be a plastic housing. In the case of the same current carrying, the weight of the aluminum cable is two thirds of that of the copper cable, the cost is two thirds of that of the copper cable, and the flange housing 100 is of a plastic structure, thereby achieving the weight reduction and the cost reduction of the high-voltage connector 1.

In some embodiments of the present invention, as shown in fig. 4, each of the limiting claws 120 in the wire passing hole 110 is plural, the plurality of limiting claws 120 are disposed on the inner peripheral wall of the wire passing hole 110 along the circumferential interval of the wire passing hole 110, and the plurality of limiting claws 120 can fix the cable 200 to prevent the cable 200 from swinging, and the plurality of limiting claws 120 are disposed at intervals to facilitate the cable 200 to pass through.

Further, as shown in fig. 4, the width of each of the holding claws 120 is gradually reduced from the flange housing 100 to the cable 200, that is, the holding claws 120 may have a substantially fan shape as viewed from the front-rear direction, whereby the shape surrounded by the plurality of holding claws 120 is adapted to the shape of the cable 200, thereby more stably fixing the cable 200.

Furthermore, as shown in fig. 5, the end of each limiting claw 120, which is far away from the flange housing 100, is configured with rounded corners 121 on both sides in the axial direction of the wire passing hole 110, that is, the front and rear sides of the end of each limiting claw 120, which is far away from the flange housing 100, are rounded off, so that the cable 200 can be more smoothly threaded through, and the cable 200 is prevented from being scratched by the limiting claws 120.

In some embodiments of the present invention, as shown in fig. 1-3, the high-voltage connector 1 further includes a cable sealing ring 400, the cable sealing ring 400 is sleeved on the outside of the cable 200 and is located in the wire passing hole 110, the cable sealing ring 400 is stopped at the limiting claw 120 in the direction away from the terminal 300, i.e. the rear end of the cable sealing ring 400 is stopped by the limiting claw 120, the cable sealing ring 400 can play the sealing effects of water-proof and the like, and the limiting claw 120 provides axial limitation for the cable sealing ring 400, so as to prevent the cable sealing ring 400 from being separated backwards.

Further, as shown in fig. 2 and 3, the inner circumferential surface and the outer circumferential surface of the cable sealing ring 400 are respectively provided with a plurality of ribs 410, each rib 410 extends in the circumferential direction of the cable sealing ring 400, and the plurality of ribs 410 on the same surface are arranged in the axial direction of the cable sealing ring 400. Among them, the plurality of beads 410 on the outer circumferential surface of the cable grommet 400 are in contact with the inner circumferential wall of the wire passing hole 110, and the plurality of beads 410 on the inner circumferential surface of the cable grommet 400 are in contact with the outer circumferential surface of the cable 200, whereby the waterproof sealing property can be further improved.

In some specific examples of the present invention, as shown in fig. 1 to 3, the high-voltage connector 1 further includes a shield connection ring 500 and a shield crimp ring 600.

The shielding connection ring 500 is sleeved outside the cable 200 and located in the wire passing hole 110. The shielding crimp ring 600 is sleeved on the outer side of the shielding connection ring 500 and located in the wire passing hole 110. The shield connection ring 500 and the shield crimp ring 600 are stopped by the cable sealing ring 400 in a direction away from the terminal 300, that is, the rear ends of the shield crimp ring 600 and the shield connection ring 500 are stopped by the cable sealing ring 400.

Further, the cable 200 includes a wire core 210, an insulating sleeve 220, a shielding sleeve 230 and a sheath 240, which are sequentially sleeved from inside to outside along a radial direction of the cable, and the shielding sleeve 230 is turned outwards (backwards) to a direction away from the terminal 300 between the shielding crimp ring 600 and the shielding connection ring 500.

Specifically, the internal diameter of shielding go-between 500 and the diameter adaptation of cable 200, the internal diameter of shielding crimping ring 600 matches with the external diameter of shielding go-between 500, shielding go-between 500 cover locate cable 200 on the sheath 240, turn over behind the shield cover 230 of cable 200 front end to behind the outer peripheral face of shielding go-between 500, shielding crimping ring 600 cover locate on shield cover 230, shielding crimping ring 600 and shielding go-between 500 rear end face parallel and level, carry out the crimping behind the parallel and level.

In addition, the rear ends of the shielding crimping ring 600 and the shielding connecting ring 500 are abutted against the front end of the cable sealing ring 400 to achieve the axial limiting effect, so that the structure is simplified, and the cost is reduced.

In some specific examples of the present invention, as shown in fig. 1 to 3, one end (front end) of the shielding crimp ring 600 facing the terminal 300 is configured with a flanging 610, the flanging 610 may extend along the circumferential direction of the shielding crimp ring 600 to form a whole circumference, the flanging 610 may also be arranged along the circumferential direction of the shielding crimp ring 600 at equal intervals, and the flanging 610 stops at the end surface (i.e., the front end surface) of the flange housing 100 facing the terminal 300. Like this, shield crimping ring 600 has realized that the axial is spacing on the one hand, and on the other hand when tensile cable 200, tensile stress mainly acts on shield sleeve 230 and shield connecting ring 500 to the tensile stress that acts on sinle silk 210 has been reduced, and then the tensile resistance of high voltage connector 1 has been promoted.

Further, the end face (front end face) of the flange housing 100 facing the terminal 300 is provided with the sunken groove 130, the sunken groove 130 is arranged around the wire hole 110, and the flanging 610 is matched with the sunken groove 130, so that the assembly face parallel and level of the flange housing 100 and a device to be assembled (such as a distribution box) are ensured, the flange housing 100 is tightly connected with the outer wall of the distribution box, and the flanging 610 of the shielding crimping ring 600 is in shielding connection with the distribution box, so that the shielding performance of the cable 200 is improved.

In some specific examples of the present invention, as shown in fig. 1 to 3, the terminal 300 includes a welding portion 310 and a connecting portion 320, the connecting portion 320 has two clamping jaws 321, the two clamping jaws 321 clamp the insulating sheath 220 of the cable 200, the two clamping jaws 321 can be staggered along the length direction of the cable 200, and the wire core 210 is welded to the welding portion 310.

Specifically, the terminal 300 is made of red copper, the surface is plated with silver, excellent electrical contact performance is guaranteed, and the terminal 300 is connected with a copper bar in a distribution box body through a through hole in the front end.

The core 210 of the cable 200 is welded with the welding part 310 into a whole through ultrasonic welding, the welding electric contact reliability is high, and the cost of the shielding aluminum cable is lower than that of the shielding copper cable under the same current-carrying capacity. The connecting portion 320 has two clamping jaws 321 arranged in a staggered manner, the insulating sleeve 220 of the cable 200 is arranged in a channel formed by the two clamping jaws 321 in a penetrating manner, and the two clamping jaws 321 are crimped onto the outer surface of the insulating sleeve 220 through a crimping jig, so that the clamping jaws 321 and the insulating sleeve 220 are fixedly connected, and the damage to a welding part caused by pulling the cable 200 is effectively prevented.

In some embodiments of the present invention, as shown in fig. 1-3, the high-voltage connector 1 further includes a shell sealing ring 700, the end surface (front end surface) of the flange shell 100 facing the terminal 300 is configured with a ring groove 710, the ring groove 710 is disposed around the wire hole 110, the shell sealing ring 700 is assembled on the ring groove 710, and the combination of the shell sealing ring 700 and the cable sealing ring 400 makes the high-voltage connector 1 have good waterproof performance.

In some specific examples of the present invention, as shown in fig. 1 to 3, the flange housing 100 has a plurality of wire passing holes 110, the plurality of wire passing holes 110 may be spaced apart from each other in the left-right direction, the plurality of wire passing holes 110 are penetrated by the cables 200 in a plurality of and one-to-one correspondence, and the terminals 300 are connected to the plurality of cables 200 in a plurality of and one-to-one correspondence.

Wherein, one end of each wire through hole 110 far away from the terminal 300 is provided with a limiting claw 120, and the limiting claw 120 is arranged around the corresponding cable 200.

It will be understood by those skilled in the art that, according to the number of cables 200, a corresponding number of cable sealing rings 400, shield connection rings 500, and shield crimp rings 600 may be provided, and the annular groove 710 on the front surface of the flange housing 100 may be disposed around a plurality of wire passing holes 110, so that one housing sealing ring 700 may be used.

The two-core structure of the cable 200 is shown in the drawings, but the cable 200 may be provided in more multi-core structures according to actual requirements.

The following describes, by way of example, an assembly process of the high-voltage connector 1 according to an embodiment of the present invention.

Firstly, the cable 200 is inserted into the wire passing hole 110 of the flange shell 100, then the cable sealing ring 400 is inserted into the cable 200, then the shielding connecting ring 500 and the shielding crimping ring 600 are inserted into the cable 200, the crimping jig is used for crimping the shielding crimping ring 600 and the shielding connecting ring 500 onto the shielding sleeve 230 of the cable 200, the front end of the shielding sleeve 230 is stripped to a proper distance of the wire core 210, the welding terminal 300 is met, the terminal 300 and the wire core 210 of the cable 200 are fused together, and the current transmission function is realized. The shell sealing ring 700 is mounted on the end face annular groove 710 of the flange shell 100, and finally the welded cable 200 is pulled back along the axial direction until the cable sealing ring 400 reaches the limiting claw 120 of the flange shell 100.

According to the utility model discloses high-voltage connector 1, shielding aluminum wire or copper line that can compatible multiple line footpath can be used to high-pressure pencil platforms such as new forms of energy passenger car, bus, truck and use.

A vehicle according to an embodiment of the present invention is described below, the vehicle including the high-voltage connector 1 according to the above-described embodiment of the present invention.

According to the utility model discloses vehicle, through utilizing according to the utility model discloses the high-pressure connector 1 of above-mentioned embodiment has advantages such as assembly efficiency height, with low costs.

Other configurations and operations of vehicles according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "particular embodiment," "particular example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A high voltage connector, comprising:

a flange housing having a wire passing hole;

the cable penetrates through the wire passing hole;

a terminal connected to the cable and located outside the flange housing;

the flange shell is provided with a limiting claw, and the limiting claw is formed at one end, far away from the terminal, of the wire passing hole and is arranged around the cable.

2. The high-voltage connector according to claim 1, wherein the plurality of limiting claws are arranged on the inner peripheral wall of the wire passing hole at intervals along the circumferential direction of the wire passing hole.

3. The high-voltage connector as claimed in claim 2, wherein a width of each of the retaining claws gradually decreases in a direction from the flange housing to the cable.

4. The high-voltage connector as claimed in claim 2, wherein one end of each of the limiting claws, which is away from the flange housing, is configured with rounded corners on both sides in the axial direction of the wire passing hole.

5. The high voltage connector as claimed in any one of claims 1-4, further comprising:

the cable sealing ring is sleeved on the outer side of the cable and positioned in the wire passing hole, and the cable sealing ring stops at the limiting claw towards the direction far away from the terminal;

the inner peripheral surface and the outer peripheral surface of the cable sealing ring are respectively provided with a plurality of ribs, and the plurality of ribs are arranged along the axial direction of the cable sealing ring.

6. The high voltage connector of claim 5, further comprising:

the shielding connecting ring is sleeved on the outer side of the cable and is positioned in the wire passing hole;

the shielding compression joint ring is sleeved on the outer side of the shielding connection ring and is positioned in the wire passing hole;

the shielding connecting ring and the shielding crimping ring are stopped at the cable sealing ring in the direction away from the terminal;

one end of the shielding compression joint ring, which faces the terminal, is provided with an outward flange, and the outward flange is stopped at the end face, which faces the terminal, of the flange shell;

the end face, facing the terminal, of the flange shell is provided with a sinking groove, the sinking groove is arranged around the wire passing hole, and the outward flanging is matched with the sinking groove.

7. The high-voltage connector as claimed in claim 6, wherein the cable comprises a wire core, an insulating sleeve, a shielding sleeve and a sheath, which are sequentially sleeved from inside to outside along a radial direction of the cable, and the shielding sleeve is turned outwards to a position between the shielding crimp ring and the shielding connection ring in a direction away from the terminal.

8. The high-voltage connector according to claim 7, wherein the terminal comprises a welding portion and a connecting portion, the connecting portion has two clamping jaws, the two clamping jaws clamp the insulating sleeve of the cable and are arranged in a staggered manner in the length direction of the cable, and the wire core is welded to the welding portion.

9. The high voltage connector as claimed in any one of claims 1-4, further comprising:

the orientation of flange casing the terminal end face structure has the annular, the annular centers on cross the wire hole setting, the casing seal ring assemble in the annular.

10. A vehicle, characterized in that it comprises a high-voltage connector according to any one of claims 1-9.