CN210984999U - High-voltage connector and vehicle with same - Google Patents

Abstract

The utility model discloses a high pressure connector and vehicle that has it, high pressure connector includes: the plastic-coated shell comprises a metal part and a plastic-coated part, and the plastic-coated part is coated on the metal part; the cable penetrates through the plastic-coated shell, and the metal part is in compression joint with the cable; a terminal connected to the cable and located outside the plastic-covered housing. According to the utility model discloses high voltage connector is non-shielded connector, and has advantages such as with low costs, light in weight, corrosion resistance and oxidation resistance are strong.

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

With the future development trend of new energy vehicles, cost reduction and light weight become the research and development requirements at the present stage. Wire nose connector is as common connector in the high-voltage line, and its casing adopts the metal material, and the processing mode adopts the machine to add, and not only the cost is higher, and the quality is heavier moreover, can't satisfy the demand of cost reduction and lightweight. In addition, metals have poor corrosion resistance and oxidation resistance.

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 is a non-shielded connector and has the advantages of low cost, light weight, and strong corrosion resistance and oxidation resistance.

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

According to the utility model discloses a first aspect of the embodiment provides a high-pressure connector, high-pressure connector includes: the plastic-coated shell comprises a metal part and a plastic-coated part, and the plastic-coated part is coated on the metal part; the cable penetrates through the plastic-coated shell, and the metal part is in compression joint with the cable; a terminal connected to the cable and located outside the plastic-covered housing.

According to the utility model discloses high voltage connector is non-shielded connector, and has advantages such as with low costs, light in weight, corrosion resistance and oxidation resistance are strong.

According to some specific examples of the utility model, the package mould the part with the metal part is followed the package moulds the axial distribution of casing, the metal part for the package moulds the part more adjacent the terminal.

Furthermore, one end of the metal part, facing the plastic-coated part, is provided with a connecting ring, the connecting ring is coated in the plastic-coated part, and the connecting ring is provided with a groove extending along the circumferential direction of the connecting ring.

According to some specific examples of the utility model, the inner peripheral surface that the part was moulded to the package is equipped with a plurality ofly subtracts gluey groove, every subtract gluey groove edge the package moulds the axial extension of part, and is a plurality of subtract gluey groove edge the package moulds the circumference interval setting of part.

According to some specific examples of the utility model, the outer peripheral face of partly is moulded to the package is equipped with the spacing post of a plurality of mistake proofings, the spacing post of mistake proofings cooperates the mistake proofing groove on the block terminal box.

According to some embodiments of the utility model, the cable includes along its radial conductor and the insulating cover of establishing by interior outer cover in proper order, the metal part with insulating cover with the conductor crimping, the conductor with the terminal is connected.

According to some embodiments of the present invention, the high voltage connector further comprises: the tail sealing ring is sleeved on the outer side of the cable, and the tail sealing ring is assembled in the plastic coating part.

Further, the high voltage connector further comprises: the outer peripheral face of the plastic-coated part is provided with a clamping groove, the end cover is provided with a clamping jaw, the clamping jaw is clamped in the clamping groove so as to install the end cover on the plastic-coated part, back to one end of the terminal, and the end cover stops the tail sealing ring on the plastic-coated part in the axial direction.

Further, the tail sealing ring extends out of the end cover along the length direction of the cable.

According to some embodiments of the present invention, the high voltage connector further comprises: the outer peripheral face of the plastic-coated part is provided with an annular groove extending along the circumferential direction of the plastic-coated part, and the self-lubricating sealing ring is assembled in the annular groove.

According to the utility model discloses a some embodiments, the terminal is equipped with two at least copper bar connecting holes, the copper bar connecting hole is followed the length direction interval of terminal sets up.

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 advantages such as with low costs, light in weight, high-pressure connection are reliable.

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 cross-sectional view of an over-molded housing of a high-voltage connector according to an embodiment of the invention.

Fig. 5 is a schematic diagram of the arrangement of the error-proof limiting column of the high-voltage connector according to the embodiment of the present invention.

Fig. 6 is an assembly schematic diagram of a high voltage connector and a distribution box according to an embodiment of the present invention.

Reference numerals:

a high-voltage connector 1, a distribution box body 2,

The plastic-coated shell 100, the metal part 110, the plastic-coated part 120, the connecting ring 141, the groove 142, the glue reducing groove 143, the mistake proofing limit column 161, the mistake proofing groove 162, the ring groove 170,

A cable 200, a conductor 210, an insulating sheath 220,

A terminal 300, a copper bar connecting hole 310,

A tail sealing ring 400,

End cap 500, clamping groove 510, clamping claw 520,

Self-lubricating seal 700.

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", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are intended to facilitate the description of the present invention and to simplify the description, but do not 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 therefore should not be construed as limiting the present invention.

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

The high-voltage connector 1 according to an embodiment of the present invention is described below with reference to the drawings, and the high-voltage connector 1 may be used for a vehicle, for example, assembled with a distribution box case 2 in the vehicle.

As shown in fig. 1 to 4, a high-voltage connector 1 according to an embodiment of the present invention includes a plastic-coated housing 100, a cable 200, and a terminal 300.

The plastic-coated shell 100 is of a plastic-coated structure, the plastic-coated shell 100 comprises a metal part 110 and a plastic-coated part 120, and the plastic-coated part 120 is coated on the metal part 110. The cable 200 is inserted into the plastic-coated housing 100, for example, through the plastic-coated housing 100 in the axial direction (front-rear direction) of the plastic-coated housing 100, and the metal portion 110 is crimped with the cable 200. The terminal 300 is connected to the cable 200 and located outside the plastic-covered housing 100, for example, the terminal 300 is located in front of the plastic-covered housing 100.

According to the embodiment of the present invention, the high voltage connector 1 is a non-shielded connector, and those skilled in the art can understand that the non-shielded connector means that the connector does not have an additional structure to shield the magnetic field of the cable 200, for example, the outer peripheral surface of the metal part 110 does not have a structure such as a shielding crimping ring and a spring, and accordingly, the cable 200 adopts a non-shielded cable, and the metal part 110 is directly crimped with the non-shielded cable. The unshielded connector can be applied to working conditions with low shielding requirements.

Moreover, the plastic-coated shell 100 adopting the plastic-coated structure has lower cost and lighter weight compared with a metal shell in the related art, and the chemical reagent resistance and the oxidation resistance can be effectively improved due to the plastic-coated material, so that the service life of the high-voltage connector 1 is prolonged, and the reliability of high-voltage connection is ensured.

Therefore, the high-voltage connector 1 according to the embodiment of the present invention is a non-shielded connector, and has the advantages of low cost, light weight, strong corrosion resistance and oxidation resistance, etc.

In some specific examples of the present invention, as shown in fig. 1 to 3, the plastic-coated housing 100 includes a metal part 110 and a plastic-coated part 120, the metal part 110 may be made of an aluminum alloy material, and the plastic-coated part 120 may be made of a plastic material.

The metal part 110 may be a metal part formed by machining, and the plastic-coated part 120 is coated on the metal part 110. Specifically, the plastic coated portion 120 and the metal portion 110 are distributed along the axial direction of the plastic coated housing 100, and the metal portion 110 is more adjacent to the terminal 300 than the plastic coated portion 120, that is, the metal portion 110 and the plastic coated portion 120 are sequentially distributed along the front-rear direction.

Alternatively, as shown in fig. 4, one end (rear end) of the metal part 110 facing the plastic covered part 120 is configured with a connecting ring 141, the connecting ring 141 is wrapped in the plastic covered part 120, the connecting ring 141 is provided with a groove 142 extending along the circumferential direction thereof, for example, the groove 142 may extend on the outer circumferential surface of the connecting ring 141 along the circumferential direction of the connecting ring 141, and the groove 142 is also filled with the plastic covered part 120, thereby enhancing the connection strength of the plastic covered part 120 and the metal part 110.

Further, as shown in fig. 4, the inner circumferential surface of the plastic coated portion 120 is provided with a plurality of glue reducing grooves 143, each glue reducing groove 143 extends in the axial direction of the plastic coated portion 120, and the plurality of glue reducing grooves 143 are arranged at intervals in the circumferential direction of the plastic coated portion 120.

So, the package is moulded part 120 and metal part 110 and is moulded the mode through the package and realize connecting, moulds part 120 through the package and increases the groove 143 of adding the glue, can not only increase the intensity that the package moulded part 120, can also reduce the shrink defect because of the inhomogeneous shrink defect that leads to of wall thickness in the injection moulding process.

In some embodiments of the present invention, as shown in fig. 1-3, the high-voltage connector 1 further includes a tail sealing ring 400, the tail sealing ring 400 is sleeved on the outer side of the cable 200, and the tail sealing ring 400 is assembled in the plastic-covered portion 120 to achieve sealing. The surface of the tail sealing ring 400 contacting the plastic-coated portion 120 and the surface contacting the cable 200 are respectively provided with ribs which are arranged along the axial direction of the tail sealing ring 400 to improve the sealing effect.

As shown in fig. 1 to 3, the high-voltage connector 1 further includes an end cap 500, a clamping groove 510 is formed on an outer circumferential surface of the plastic-coated portion 120, the end cap 500 is provided with a clamping claw 520, the clamping claw 520 is clamped in the clamping groove 510, so that the end cap 500 is mounted at an end (i.e., a rear end) of the plastic-coated portion 120 facing away from the terminal 300, the end cap 500 stops the tail sealing ring 400 in an axial direction of the plastic-coated portion 120, the tail sealing ring 400 can be stopped forward on a rib formed between the glue reducing grooves 143, and thus, a position of the tail sealing ring 400 in the axial direction is fixed, and the end cap 500 can prevent the end.

For example, the locking groove 510 may extend along the circumferential direction of the plastic coated portion 120, and the end cap 500 may be provided with two locking claws 520, where the two locking claws 520 are arranged opposite to each other in the radial direction of the end cap 500, for example, distributed up and down.

Further, as shown in fig. 1 and 3, the tail seal ring 400 extends out of the end cap 500 along the length of the cable 200, i.e., the tail seal ring 400 extends back out of the end cap 500. Thus, the twisting of the cable 200 is absorbed by the extended tail seal ring 400, and the vibration is prevented from being transmitted to the inside of the high-voltage connector 1, so that the sealing effect is prevented from being affected, and the sealing reliability is ensured. In addition, the tail sealing ring 400 extends to the outside of the end cover 500, so that the gap between the cable 200 and the end cover 500 can be reduced, the gap between the tail sealing ring 400 and the cable 200 is prevented from being increased due to large violent movement of the cable 200, and the sealing reliability is further improved.

In some embodiments of the present invention, as shown in fig. 3, the cable 200 includes a conductor 210 and an insulating sleeve 220 sequentially sleeved from inside to outside along the radial direction of the cable 200, the cable 200 is not provided with a shielding sleeve, a non-shielding cable is formed, the front end of the insulating sleeve 220 is stripped, the conductor 210 is exposed to be welded with the terminal 300, and the front end of the metal part 110, the insulating sleeve 220 and the conductor 210 are connected by crimping.

In some specific examples of the present invention, as shown in fig. 1 to 4, the high-voltage connector 1 further includes a self-lubricating seal ring 700, the self-lubricating seal ring 700 may be an O-ring, the outer peripheral surface of the plastic-coated portion 120 is provided with a ring groove 170 extending along the circumferential direction thereof, the self-lubricating seal ring 700 is assembled to the ring groove 170, the self-lubricating seal ring 700 is located in the front of the clamping groove 510 in the axial direction of the plastic-coated portion 120, and the gap between the plastic-coated portion 120 and the distribution box body 2 is sealed.

Like this, adopt self-lubricating sealing ring 700, under the condition that reaches protection level (for example IP67), need not additionally to scribble lubricating oil, reduce cost, raise the efficiency, and the cost is lower. In addition, the self-lubricating sealing ring 700 has proper tensile quantity and compression quantity, so that the self-lubricating sealing ring 700 is not easy to fall off in the process of trial assembly and transportation of the high-pressure connector 1.

In some specific examples of the present invention, as shown in fig. 1 to fig. 4 and fig. 5, the outer peripheral surface of the plastic-coated portion 120 is provided with a plurality of error-proofing spacing pillars 161, the error-proofing spacing pillars 161 are fitted in the error-proofing grooves 162 on the distribution box body 2, and the error-proofing spacing pillars 161 are axially located between the self-lubricating seal ring 700 and the clamping groove 510 of the plastic-coated portion 120. Therefore, the high-voltage connector 1 can be prevented from being reversely assembled, and the reliability and the safety of the assembly of the high-voltage connector 1 are ensured; in addition, the rotation of the high-voltage connector 1 can be avoided, so that the electric core of the cable 200 is prevented from being welded with the terminal 300 due to the rotation of the high-voltage connector 1, and the connection stability is improved.

Fig. 5 shows an example in which two error-proofing position-limiting columns 161 are provided on the outer peripheral surface of the plastic-coated portion 120, one error-proofing position-limiting column 161 is provided on the upper surface of the plastic-coated portion 120, and the other error-proofing position-limiting column 161 is provided on the side surface of the plastic-coated portion 120. of course, the positions of the two error-proofing position-limiting columns 161 in the circumferential direction of the plastic-coated portion 120 may be set according to practical situations, the central angles α corresponding to the two error-proofing position-limiting columns 161 may be 30 °, 60 °, 90 °, 120 °, 150 ° or 180 °, and the error-proofing grooves 162 are provided at corresponding positions of the distribution box body 2.

In some specific examples of the present invention, as shown in fig. 1 and fig. 6, the terminal 300 is connected to the cable 200 by crimping, the terminal 300 is provided with at least two copper bar connecting holes 310, the copper bar connecting holes 310 are arranged along the length direction of the terminal 300, and the terminal 300 is connected to the copper bar in the distribution box body 2 through at least two fasteners (such as bolts or screws) fitted in the copper bar connecting holes 310.

The drawing shows an example that the terminal 300 is provided with two copper bar connecting holes 310, so that the pulling-out force of the cable 200 can be increased, the outer diameter of the plastic-coated part 120 and the outer diameter of the end cover 500 are increased, the cable 200 is tightly attached to the distribution box body 2, the horizontal swing of the cable 200 is prevented, and the purpose that no additional bolt is required to be installed between the distribution box body 2 and the high-voltage connector 1 is achieved.

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 end cover 500 is sleeved into the cable 200, the tail sealing ring 400 is sleeved into the cable 200, the self-lubricating sealing ring 700 is installed in the groove 170 of the plastic-coated part 120 in an interference connection mode, then the plastic-coated shell 100 is installed into the cable 200, the front end of the metal part 210 is in compression joint by using a compression joint jig to be firmly fixed on the insulating sleeve 220 of the cable 200, the front end of the insulating sleeve 220 of the cable 200 is stripped, the conductor 210 with a proper distance is exposed, welding with the terminal 300 is met, the terminal 300 and the conductor 210 are fused together, and the current transmission function is achieved. And then the tail sealing ring 400 is arranged in the plastic-coated shell 100 to realize tail sealing, and finally the end cover 500 is clamped in the plastic-coated shell 100 to prevent the tail sealing ring 400 from falling off.

According to the utility model discloses high voltage connector 1, can compatible various line footpath cable 200 (for example 10 flat, 25 flat, 35 flat, 50 flat, 70 flat etc.), to the cable 200 in different line footpaths, the synchronous change package moulds the inside through-hole of casing 100 the size can.

A vehicle according to an embodiment of the present invention is described below.

According to the utility model discloses vehicle includes according to the utility model discloses high-pressure connector 1 of above-mentioned embodiment.

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 with low costs, light in weight, high pressure connection are reliable.

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 (10)

1. A high voltage connector, comprising:

the plastic-coated shell comprises a metal part and a plastic-coated part, and the plastic-coated part is coated on the metal part;

the cable penetrates through the plastic-coated shell, and the metal part is in compression joint with the cable;

a terminal connected to the cable and located outside the plastic-covered housing.

2. The high-voltage connector according to claim 1, wherein the cable includes a conductor and an insulating sleeve which are sequentially sleeved from inside to outside along a radial direction of the cable, the metal portion is in pressure contact with the insulating sleeve and the conductor, and the conductor is connected with the terminal;

the plastic-coated part and the metal part are distributed along the axial direction of the plastic-coated shell, and the metal part is more adjacent to the terminal relative to the plastic-coated part.

3. The high-voltage connector as claimed in claim 2, wherein an end of the metal part facing the over-moulded part is configured with a connection ring which is encapsulated in the over-moulded part, the connection ring being provided with a groove extending circumferentially thereof.

4. The high-voltage connector as claimed in claim 1, wherein the plastic-coated portion has a plurality of glue-reducing grooves formed in an inner peripheral surface thereof, each glue-reducing groove extending in an axial direction of the plastic-coated portion, and the plurality of glue-reducing grooves are spaced apart from each other in a circumferential direction of the plastic-coated portion.

5. The high-voltage connector as claimed in claim 1, wherein the plastic-coated portion has a plurality of error-proof posts on its outer periphery, and the error-proof posts are fitted in the error-proof grooves on the box body of the distribution box.

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

the tail sealing ring is sleeved on the outer side of the cable, and the tail sealing ring is assembled in the plastic coating part.

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

the outer peripheral surface of the plastic-coated part is provided with a clamping groove, the end cover is provided with a clamping jaw, the clamping jaw is clamped in the clamping groove so as to install the end cover at one end of the plastic-coated part, which is back to the terminal, and the end cover stops the tail sealing ring in the axial direction of the plastic-coated part;

the tail sealing ring extends out of the end cover along the length direction of the cable.

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

the outer peripheral face of the plastic-coated part is provided with an annular groove extending along the circumferential direction of the plastic-coated part, and the self-lubricating sealing ring is assembled in the annular groove.

9. The high voltage connector as claimed in any one of claims 1 to 5, wherein said terminal is provided with at least two copper bar connection holes, said copper bar connection holes being spaced apart along the length of said terminal.

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

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