CN211208812U

CN211208812U - High-voltage connection device and vehicle with same

Info

Publication number: CN211208812U
Application number: CN201922455107.6U
Authority: CN
Inventors: 姜明明; 袁野; 全金龙; 康海东; 王昊天
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-07
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a high pressure connecting device and vehicle that has it, high pressure connecting device includes first connector, first connector includes: a first housing; the cable is connected with a terminal, and the cable and the terminal are arranged in the first shell in a penetrating mode; the shielding assembly is sleeved outside the cable and the first shell and connected with the first shell. According to the utility model discloses high-pressure connecting device can realize shielding magnetic field function, and has structure and simple process, advantage such as the broken risk is little with low costs, cable's line skin pressure.

Description

High-voltage connection device 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 connecting device and have high-pressure connecting device's vehicle is related to.

Background

In order to achieve the function of shielding magnetic fields, a shielding cable is generally used in the related art, that is, a shielding sleeve is added in the cable, and a crimp ring and a connection ring are matched to achieve shielding. Specifically, in the production process, the steps of wire stripping, shielding wire stroking, crimping and the like are required, the shielding sleeve is turned outwards to be between the connecting ring and the crimping ring, and then the shielding sleeve is connected with the reed after being crimped to conduct shielding, so that the structure and the process are complex, the cost is high, and the risk of wire skin crushing of the cable is high.

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 utility model is to provide a high-pressure connecting device, this high-pressure connecting device can realize shielding magnetic field function, and has structure and simple process, with low costs, the broken risk advantage such as little of line skin pressure of cable.

The utility model discloses still provide a vehicle that has above-mentioned high-pressure connecting device.

According to the utility model discloses an embodiment of first aspect provides a high-pressure connecting device, high-pressure connecting device includes: a first housing; the cable is connected with a terminal, and the cable and the terminal are arranged in the first shell in a penetrating mode; the shielding assembly is sleeved outside the cable and the first shell and connected with the first shell.

According to the utility model discloses high-pressure connecting device can realize shielding magnetic field function, and has structure and simple process, advantage such as the broken risk is little with low costs, cable's line skin pressure.

According to some embodiments of the invention, the shielding component comprises: the shielding net is sleeved outside the first shell and the cable; the crimping ring is sleeved outside the first shell, and the shielding net is crimped on the first shell through the crimping ring.

According to some specific examples of the present invention, the first housing comprises: the shielding net is sleeved outside the first metal shell, and the crimping ring is sleeved outside the first metal and crimps the shielding net to the first metal shell; the first insulating inner shell is arranged in the first metal outer shell, and the cable and the terminal are arranged in the first insulating inner shell in a penetrating mode.

Furthermore, the outer peripheral surface of the first metal shell is provided with a ring groove extending along the circumferential direction of the first metal shell, and the shielding net is pressed and connected in the ring groove by the pressing and connecting ring.

Further, the first connector further includes: the cable sealing ring is sleeved outside the cable and located in the first metal outer shell, and the first insulating inner shell is located on one side, facing the terminal, of the cable sealing ring.

Further, the first connector further includes: the end cover is detachably arranged on the first metal outer shell and is positioned on one side, back to the first insulating inner shell, of the cable sealing ring.

Further, the outer peripheral face of the first metal shell is provided with a sinking groove, a clamping table is arranged in the sinking groove, the end cover is provided with a clamping jaw, and the clamping jaw is matched with the sinking groove and clamped with the clamping table.

Further, the first connector further includes: the protective sleeve is sleeved outside the first metal shell, the crimping ring and the shielding net, the shielding net extends out of the protective sleeve in the direction away from the terminal, and waterproof ribs extending along the circumferential direction of the protective sleeve are arranged on the inner circumferential surface of the protective sleeve.

According to some embodiments of the invention, the high voltage connection device further comprises a second connector, the second connector comprising: the second metal shell is connected with the first metal shell; the second insulating inner shell is arranged in the second metal outer shell; and the contact pin penetrates through the second insulating inner shell and is inserted into the terminal.

Furthermore, the outer peripheral surface of the first metal shell is provided with a first mounting lug, the outer peripheral surface of the second metal shell is provided with a second mounting lug, and the first mounting lug is connected with the second mounting lug through a threaded fastener.

Furthermore, a reed is arranged on the outer peripheral surface of the second metal shell, one end of the second metal shell, which faces the first metal shell, is inserted into the first metal shell, and the reed is positioned between the second metal shell and the first metal shell.

Furthermore, a shell sealing ring is sleeved outside the second metal shell, one end, facing the first metal shell, of the second metal shell is inserted into the first metal shell, and the shell sealing ring is located between the second metal shell and the first metal shell.

Furthermore, the first insulating inner shell is inserted into the second insulating inner shell, the first insulating inner shell is provided with a guide rib, the second insulating inner shell is provided with a guide groove, and the guide rib is matched with the guide groove.

Furthermore, one end of the contact pin, which is far away from the terminal, is provided with a bending part, the bending part is provided with a connecting hole, and the bending part is provided with a nut corresponding to the connecting hole.

Further, the nut is riveted to the bent portion.

Further, the nut is arranged on one side, facing the terminal, of the bent portion, an accommodating groove is formed in the end face, facing away from the first insulating inner shell, of the second insulating inner shell, the nut is located in the accommodating groove, and the shape of the accommodating groove is matched with that of the nut.

Furthermore, an end face of the second metal shell facing away from the first metal shell is provided with an end sealing ring extending along the circumferential direction of the end sealing ring.

Furthermore, the cables are multiple, each cable is connected with the terminal, the shielding assembly is sleeved outside the cables, and the contact pins are multiple and are correspondingly inserted into the terminals one by one.

According to some embodiments of the utility model, the cable is the aluminium cable, the cable with the terminal passes through ultrasonic bonding and links to each other.

According to the utility model discloses an embodiment of second aspect provides a vehicle, the vehicle includes according to the embodiment of the first aspect of the utility model the high pressure connecting device.

According to the utility model discloses vehicle, through utilizing according to the utility model discloses an embodiment of first aspect high-pressure connecting device, have advantages such as magnetic field shielding performance is reliable, structure and simple process, 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 connection device according to an embodiment of the present invention.

Fig. 2 is an assembly schematic diagram of a high-voltage connection according to an embodiment of the present invention.

Fig. 3 is an exploded view of a high voltage connection according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a high-voltage connection according to an embodiment of the invention.

Reference numerals:

high-voltage connector 1, first connector 2, second connector 3,

A first housing 100, a first metal outer shell 110, a first inner insulating shell 120, a ring groove 111,

A cable 200,

A terminal 300,

Shield assembly 400, shield mesh 410, crimp ring 420, and,

Cable seal 510, end cap 520, sink 521, clamp 522, clamp 523, sheath 530,

The second metal outer shell 610, the second insulating inner shell 620, the pin 630, the connecting screw 631, the copper bar 632, the first mounting ear 611, the second mounting ear 612, the threaded fastener 613, the assembling screw 614, the spring leaf 640, the outer shell sealing ring 650, the guide rib 621, the bent portion 631, the connecting hole 632, the nut 633, the receiving groove 634 and the end sealing ring 660.

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 "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. "plurality" means two or more.

The following describes according to the utility model discloses high-pressure connecting device 1 with reference to the drawing, and high-pressure connecting device 1 can be connected the copper cable of multiple specification line footpath, aluminium cable in order to carry out heavy current transmission, is applicable to all kinds of new energy automobile.

As shown in fig. 1 to 4, a high voltage connection device 1 according to an embodiment of the present invention includes a first connector 2, and the first connector 2 includes a first housing 100, a cable 200, a terminal 300, and a shield assembly 400. It should be understood that the cross-sectional view of fig. 4 is not a cross-sectional view taken in one plane in order to facilitate illustration of more cross-sectional structures.

The terminal 300 is connected to the cable 200, and the cable 200 and the terminal 300 are inserted into the first housing 100. The shielding assembly 400 is sleeved outside the cable 200 and the first casing 100, and the shielding assembly 400 is connected to the first casing 100.

According to the utility model discloses high-voltage connection device 1, through setting up shielding assembly 400, and establish shielding assembly 400 cover outside first casing 100 and cable 200, and link to each other with first casing 100, when realizing shielding magnetic field, not only saved parts such as go-between among the correlation technique, can reduce spare part quantity, reduce the spare part contact point, improve contact stability, and cable 200 can adopt non-shielding cable, namely cable 200 can not include the housing, can save the wire stripping like this, rub with the fingers process steps such as shielded wire, the technology is simplified, the convenience of assembly has been improved, and the production cost is reduced.

Therefore, according to the utility model discloses high-pressure connecting device 1 can realize shielding magnetic field function, and has structure and simple process, advantage such as the broken risk is little with low costs, the line skin of cable.

In some embodiments of the present invention, as shown in fig. 3 and 4, the shielding assembly 400 includes a shielding mesh 410 and a crimp ring 420.

The shielding net 410 is sleeved outside the first housing 100 and the cable 200. Outside first casing 100 was located to crimping ring 420 cover, crimping ring 420 crimping in first casing 100 with shielding net 410, realized shielding net 410 and first casing 100 be connected fixedly and switch on, shielding subassembly 400 passes through first casing 100 and whole car zero potential point contact, reaches the magnetic field shielding effect of cable 200.

Wherein, the cable 200 may be an aluminum cable, the terminal 300 may be a copper terminal, and the cable 200 and the terminal 300 are connected by ultrasonic welding. Compared with copper materials, the aluminum conductor raw material is more beneficial to obtaining, lower in cost, small in density and light in weight. In addition, as a core of the connector, the aluminum conductor of the cable 200 is connected with the terminal 300 without a conventional crimping method, and the aluminum conductor of the cable 200 is welded with the terminal 300 after surface treatment by using an ultrasonic welding technology, so that the connection stability of a connection part can be greatly improved, the resistance value of a contact part can be reduced, and heat generation can be reduced.

In some specific examples of the present invention, as shown in fig. 3 and 4, the first casing 100 includes a first metal outer shell 110 and a first insulating inner shell 120.

The shielding mesh 410 is sleeved outside the first metal shell 110, and the crimping ring 420 is sleeved outside the first metal shell 110 and crimps the shielding mesh 410 to the first metal shell 110. The first inner insulating housing 120 may be a plastic part, the first inner insulating housing 120 is disposed in the first metal outer housing 110, and may be axially positioned by steps, buckles, and other structures, and the cable 200 and the terminal 300 are disposed through the first inner insulating housing 120.

Further, as shown in fig. 3, the outer circumferential surface of the first metal shell 110 is provided with a ring groove 111, the ring groove 111 extends along the circumferential direction of the first metal shell 110, and the crimping ring 420 crimps the shielding mesh 410 in the ring groove 111, thereby improving the stability of the shielding assembly 400 in the axial direction of the first metal shell 110.

In some specific examples of the present invention, as shown in fig. 3 and 4, the first connector 2 further includes a cable sealing ring 510.

The cable sealing ring 510 is sleeved outside the cable 200 and located in the first metal outer shell 110, the first insulating inner shell 120 is located on one side of the cable sealing ring 510, which faces the terminal 300, the cable sealing ring 510 can seal a gap between the cable 200 and the first metal outer shell 110, so that a waterproof effect is achieved, and the cable sealing ring 510 is stopped by the first insulating inner shell 120 in the direction towards the terminal 300 and is limited.

Further, the first connector 2 further includes an end cap 520.

The end cap 520 is detachably mounted on an end of the first metal outer shell 110 far away from the terminal 300, the end cap 520 is located on a side of the cable sealing ring 510 facing away from the first inner insulating shell 120, and the cable sealing ring 510 is stopped by the end cap 520 in a direction far away from the terminal 300, so as to prevent the cable sealing ring 510 from falling out of the first metal outer shell 110.

Specifically, as shown in fig. 3, a sunken groove 521 is formed in the outer circumferential surface of the first metal housing 110, a locking platform 522 is arranged in the sunken groove 521, a locking claw 523 is arranged on the end cover 520, and the locking claw 523 is engaged with the sunken groove 521 and is locked with the locking platform 522, so that the end cover 520 and the first metal housing 110 can be detachably connected, and the assembly and disassembly are convenient.

In order to improve the connection reliability, a plurality of claws 523, for example, two opposite claws in the radial direction of the end cover 520, may be disposed on the end cover 520, and the same number of sunken grooves 521 and locking platforms 522 are correspondingly disposed to be matched with the sunken grooves. In addition, a fool-proof structure may be provided to prevent the end cap 520 from being installed upside down.

Further, as shown in fig. 1, 3 and 4, the first connector 2 further includes a sheath 530.

Sheath 530 can be the rubber spare, first metal casing 110 is located to sheath 530 cover, crimping ring 420 and shielding net 410 are outer, sheath 530 can shelter from heavy groove 521, ka tai 522 and jack catch 523, shielding net 410 stretches out sheath 530 to the direction of keeping away from terminal 300, the inner peripheral surface of sheath 530 is equipped with along the waterproof muscle (not shown in the figure) of its circumference extension, waterproof muscle can be for a plurality of and arrange along the axial of sheath 530, can make high-pressure connecting device 1 arrangement on whole car have better environmental suitability from this, improve the general degree of environment, better assurance sealing performance.

In some embodiments of the present invention, as shown in fig. 1-4, the high voltage connection device 1 further includes a second connector 3, the second connector 3 can be installed on a controller, a distribution box, and the like, and the first connector 2 and the second connector 3 are butted to realize large current transmission.

Specifically, the second connector 3 includes a second metal outer shell 610, a second insulating inner shell 620, and pins 630.

The second metal housing 610 is connected to the first metal housing 110, and the shielding assembly 400 is connected to the zero potential point of the entire vehicle sequentially through the first metal housing 110 and the second metal housing 610, so that shielding conduction is achieved. The second inner insulating housing 620 may be a plastic part, and the second inner insulating housing 620 is disposed in the second metal outer housing 610 and may be axially positioned by a step, a snap, and the like. The plug pin 630 is inserted into the terminal 300 through the second insulating inner housing 620, so as to electrically communicate with the cable 200, thereby transmitting a large current.

In some specific examples of the present invention, as shown in fig. 3 and 4, the outer peripheral surface of the first metal shell 110 is provided with a first mounting ear 611, the outer peripheral surface of the second metal shell 610 is provided with a second mounting ear 612, and the first mounting ear 611 and the second mounting ear 612 are connected by a threaded fastener 613 (e.g., a bolt or a screw). Thus, the first metal shell 110 and the second metal shell 610 are mounted using one threaded fastener 613, which reduces the risk of thread slip failure during threading.

As shown in fig. 3 and 4, the first inner insulating housing 120 is inserted into the second inner insulating housing 620, the first inner insulating housing 120 is provided with a guide rib 621, the second inner insulating housing 620 is provided with a guide groove (not shown), and the guide rib 621 is fitted into the guide groove, so that the insertion stability of the first inner insulating housing 120 and the second inner insulating housing 620 is improved, the assembly cycle is reduced, and the assembly quality is ensured.

Further, as shown in fig. 3 and 4, the outer circumferential surface of the second metal shell 610 is provided with a spring piece 640, for example, the outer circumferential surface of the second metal shell 610 is provided with a slot in which the spring piece 640 is arranged. One end of the second metal housing 610 facing the first metal housing 110 is inserted into the first metal housing 110, and the reed 640 is located between the second metal housing 610 and the first metal housing 110, so that the first metal housing 110 and the second metal housing 610 are tightly conducted, the stability of shielding a magnetic field is improved, and the electromagnetic compatibility (emc) performance of the whole vehicle is improved.

Further, as shown in fig. 3 and 4, a housing seal 650 is sleeved outside the second metal housing 610, the housing seal 650 is located on a side of the spring plate 640 away from the first metal housing 110, and the housing seal 650 is located between the second metal housing 610 and the first metal housing 110 to improve the sealing and waterproof performance between the first metal housing 110 and the second metal housing 610.

In some embodiments of the present invention, as shown in fig. 3 and fig. 4, one end of the pin 630, which is away from the terminal 300, is configured with a bending portion 631, the bending portion 631 can be bent by 90 °, the bending portion 631 is provided with a connecting hole 632, and the bending portion 631 is provided with a nut 633 corresponding to the connecting hole 632.

Specifically, as shown in fig. 2, the second metal shell 610 of the second connector 3 can be mounted to a device such as a controller or a distribution box by two assembly screws 614, a copper bar 632 in the controller or the distribution box is connected to a bent portion 631 of the pin 630 by a connection screw 631, and the connection screw 631 passes through a connection hole 632 of the bent portion 631 and is engaged with a nut 633. By providing the nut 633 at the bent portion 631 of the contact pin 630, space in the controller or the distribution box can be saved.

Optionally, the nut 633 is riveted to the bent portion 631, so that the assembly tolerance is reduced, and the stability of the assembly is improved.

Further, the nut 633 is disposed on one side of the bent portion 631 facing the terminal 300, the end surface of the second inner insulating housing 620 facing away from the first inner insulating housing 120 is provided with the receiving groove 634, the nut 633 is disposed in the receiving groove 634, the shape of the receiving groove 634 matches with that of the nut 633 (for example, a hexagon), so that the nut 633 is prevented from occupying extra space, and the anti-rotation function is achieved, and the receiving groove 634 can be provided with an internal thread matching with the nut 633, and the connecting screw 631 is simultaneously matched with the internal thread of the receiving groove 634, so as to further improve the reliability of connection.

In some specific examples of the present invention, as shown in fig. 3 and 4, the end surface of the second metal shell 610 facing away from the first metal shell 110 is provided with an end sealing ring 660 extending along the circumferential direction thereof, and the end sealing ring 660 can seal the gap between the second metal shell 610 and the controller or the distribution box, thereby improving the waterproof sealing performance.

In some embodiments of the present invention, as shown in fig. 1-4, the cables 200 are multiple and each cable 200 is connected with a terminal 300, the shielding assembly 400 is sleeved outside the multiple cables 200, and the pins 630 are multiple and are plugged into the multiple terminals 300 in a one-to-one manner. The two-core structure of the cable 200 is shown in the drawing, but more than two multi-core structures may be provided according to actual requirements.

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

First, describing the assembling process of the second connector 3, the pins 630 are inserted into the second inner insulating housing 620, the second inner insulating housing 620 is fitted into the second metal outer housing 610, the spring pieces 640 are fitted into the second metal outer housing 610, the outer housing seal 650 is fitted into the second metal outer housing 610, and the end seal 660 is fitted into the end face of the second metal outer housing 610.

Next, describing the assembly process of the first connector 2, after the cable sealing ring 510, the end cap 520, the shielding assembly 400, and the sheath 530 are inserted through the cable 200, the cable 200 and the terminal 300 are welded by an ultrasonic instrument, the above assembled components are inserted through the first metal outer shell 110 and then are installed into the first inner insulating shell 120, the cable sealing ring 510 is installed into the first metal outer shell 110, the end cap 520 is fastened, the shielding assembly 400 is crimped with the second metal outer shell 610, and the threaded fastener 613 is locked.

A vehicle according to an embodiment of the present invention is described below, the vehicle including the high-voltage connection device 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 connecting device 1 of above-mentioned embodiment has advantages such as magnetic field shielding performance is reliable, structure and simple process, 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 connection arrangement comprising a first connector, the first connector comprising:

a first housing;

the cable is connected with a terminal, and the cable and the terminal are arranged in the first shell in a penetrating mode;

the shielding assembly is sleeved outside the cable and the first shell and connected with the first shell.

2. The high voltage connection arrangement of claim 1, wherein the shield assembly comprises:

the shielding net is sleeved outside the first shell and the cable;

the crimping ring is sleeved outside the first shell, and the shielding net is crimped on the first shell through the crimping ring.

3. The high-voltage connection arrangement according to claim 2, wherein the first housing comprises:

the shielding net is sleeved outside the first metal shell, and the crimping ring is sleeved outside the first metal and crimps the shielding net to the first metal shell;

the first insulating inner shell is arranged in the first metal outer shell, and the cable and the terminal are arranged in the first insulating inner shell in a penetrating mode.

4. The high-pressure connection according to claim 3, wherein the outer peripheral surface of the first metal shell is provided with a ring groove extending along a circumferential direction thereof, and the crimp ring crimps the shield mesh in the ring groove.

5. The high voltage connection of claim 3, wherein the first connector further comprises:

the cable sealing ring is sleeved outside the cable and located in the first metal outer shell, and the first insulating inner shell is located on one side, facing the terminal, of the cable sealing ring.

6. The high voltage connection of claim 5, wherein the first connector further comprises:

the end cover is detachably arranged on the first metal outer shell and is positioned on one side, back to the first insulating inner shell, of the cable sealing ring.

7. The high-voltage connection device as claimed in claim 6, wherein the first metal shell has a sunken groove on its outer circumference, a clamping table is disposed in the sunken groove, and the end cap has a clamping jaw engaged with the sunken groove and clamped with the clamping table.

8. The high voltage connection of claim 3, wherein the first connector further comprises:

the protective sleeve is sleeved outside the first metal shell, the crimping ring and the shielding net, the shielding net extends out of the protective sleeve in the direction away from the terminal, and waterproof ribs extending along the circumferential direction of the protective sleeve are arranged on the inner circumferential surface of the protective sleeve.

9. The high voltage connection arrangement according to any one of claims 3-8, further comprising a second connector comprising:

the second metal shell is connected with the first metal shell;

the second insulating inner shell is arranged in the second metal outer shell;

and the contact pin penetrates through the second insulating inner shell and is inserted into the terminal.

10. The high-voltage connection arrangement according to claim 9, wherein the first metal shell has a first mounting lug on an outer peripheral surface thereof, and the second metal shell has a second mounting lug on an outer peripheral surface thereof, the first and second mounting lugs being connected by a threaded fastener.

11. The high-voltage connection according to claim 9, wherein a spring is provided on an outer peripheral surface of the second metal shell, an end of the second metal shell facing the first metal shell is inserted into the first metal shell, and the spring is located between the second metal shell and the first metal shell.

12. The high-pressure connection according to claim 9, characterized in that a housing seal is provided around the second metal housing, the end of the second metal housing facing the first metal housing being inserted into the first metal housing and the housing seal being located between the second metal housing and the first metal housing.

13. The high-voltage connection according to claim 9, wherein the first inner insulating housing is inserted into the second inner insulating housing, the first inner insulating housing is provided with guide ribs, the second inner insulating housing is provided with guide grooves, and the guide ribs are fitted into the guide grooves.

14. The high-voltage connection device as claimed in claim 9, wherein the end of the pin away from the terminal is configured with a bent portion, the bent portion is provided with a connection hole, and the bent portion is provided with a nut corresponding to the connection hole.

15. The high pressure connection of claim 14, wherein the nut is riveted to the bend.

16. The high voltage connection device according to claim 14, wherein the nut is disposed on a side of the bent portion facing the terminal, an end surface of the second inner insulating housing facing away from the first inner insulating housing is provided with a receiving groove, the nut is located in the receiving groove, and a shape of the receiving groove is adapted to a shape of the nut.

17. The high-pressure connection according to claim 9, characterized in that the end face of the second metal shell facing away from the first metal shell is provided with an end seal extending circumferentially thereof.

18. The high voltage connection device of claim 9, wherein the number of cables is plural, each cable is connected with the terminal, the shielding assembly is sleeved outside the plural cables, and the number of pins is plural and is plugged in the plural terminals in a one-to-one correspondence manner.

19. The high voltage connection of claim 1, wherein the cable is an aluminum cable and the cable is connected to the terminal by ultrasonic welding.

20. A vehicle, characterized by comprising a high-voltage connection according to any one of claims 1-19.