CN205609846U - Lee chul sub,Lim kun taek,Lee sang hee - Google Patents

Abstract

High voltage connector. It solves the problems of poor sealing performance and complex structure of the existing high-voltage connectors. It includes a main body, the main body is provided with a first sealing ring and a second sealing device for being sleeved on the electric wire, the main body is provided with a positioning hole for the power supply line to pass through, and the first sealing ring is located in the positioning hole The rear side of the back side, the first sealing ring is attached to the inner wall of the main body, the second sealing device is located in front of the positioning hole, and the second sealing device includes a second sealing ring used to be sleeved on the wire and used to prevent A limiting device for the second sealing ring to slide out, the second sealing ring is attached to the inner wall of the main body, and a back cover for preventing the first sealing ring from falling is provided behind the first sealing ring, and the back cover is connected to the main body Detachable connection. The high-voltage connector of the utility model adopts double sealing, has good sealing performance and simple structure.

Description

High voltage connector

technical field

The utility model relates to the field of connectors, in particular to a high-voltage connector.

Background technique

A connector is a functional element that connects and disconnects a circuit by means of an electrical signal or mechanical force, and is used to transmit electrical signals or electronic energy. Divided according to its versatility and related technical standards: a. military connector; b. medical connector; c. automotive connector; d. mobile phone connector; e. computer connector; f. radio frequency connector; g. Fiber optic connector; h. Heavy duty connector. The utility model mainly introduces high-voltage connectors. The general requirements for such connectors are: 1. Stable contact resistance; 2. Long service life and aging resistance; 3. Mechanical toughness; 4. The installation and operation of the connector should be convenient; 5. Good engagement and separation 6. Waterproof, dustproof, oil-proof; 7. Small size, light weight, high density. The high-voltage connectors on the market have a very complex structure with good sealing performance, and it is troublesome to assemble; while the high-voltage connectors with simple structure are often not well-sealed, and they are prone to failure when used in a humid environment with large temperature differences for a long time. short. Therefore, it is necessary to design a high-voltage connector with good sealing performance and simple structure.

Utility model content

In order to overcome the shortcomings of the background technology, the utility model provides a high-voltage connector, which solves the problems of poor sealing performance and complex structure of the existing high-voltage connector.

The technical scheme adopted in the utility model:

A high-voltage connector includes a main body and electric wires. The main body is provided with a first sealing ring and a second sealing device for being sleeved on the electric wires. The main body is provided with a positioning hole for the power supply wire to pass through. The first The sealing ring is located on the rear side of the positioning hole, the first sealing ring is attached to the inner wall of the main body, the second sealing device is located in front of the positioning hole, and the second sealing device includes a second sealing ring for being sleeved on the electric wire ring and a limiting device for preventing the second sealing ring from slipping out, the second sealing ring is attached to the inner wall of the main body, and a rear cover is provided behind the first sealing ring to prevent the first sealing ring from falling off, so The rear cover is detachably connected to the main body.

As a further improvement of the utility model, the main body is provided with a pressing mechanism for being sleeved on the outer layer of the electric wire to compress the shielding layer, and the pressing mechanism includes a pressing piece and a first gasket, The tail part of the pressing part is sleeved on the first gasket, the top end is against the inner wall of the main body, the tail part is against the first gasket, and the first sealing ring is arranged between the first gasket and the back cover.

As a further improvement of the utility model, the first gasket includes a horizontal part and a vertical part for being sleeved on the electric wire, the horizontal part is against the side of the first sealing ring, and the tail part of the pressing part is Hexagonal, sleeved on the vertical part and against the horizontal part, the head of the pressing part is an annular claw piece, against the inner wall of the main body and the lower surface of the positioning hole.

As a further improvement of the utility model, the limiting device includes a second gasket and a limiting piece, one side of the second sealing ring is against the upper surface of the positioning hole, and the other side is against the second gasket , the limiting piece is located on the second gasket, the inner wall of the main body is provided with a limiting groove corresponding to the position of the limiting piece, and the limiting piece is engaged with the limiting groove.

As a further improvement of the utility model, the limiting piece is a metal buckle made of spring steel.

As a further improvement of the present utility model, the main body is engaged with the rear cover, the outer wall of the main body is provided with a locking block, and the rear cover is provided with a locking slot corresponding to the locking block.

As a further improvement of the utility model, a plurality of annular grooves are provided on the outer wall and the inner wall of the first sealing ring and the outer wall and the inner wall of the second sealing ring.

As a further improvement of the utility model, the first sealing ring and the second sealing ring are made of oil-resistant silicone rubber.

As a further improvement of the utility model, a high-voltage joint is provided on the electric wire, and a waterproof rubber ring is provided between the high-voltage joint and the electric wire.

As a further improvement of the utility model, the main body is provided with a plurality of mounting holes for connecting and fixing with the host, and the main body is provided with a sealing groove, and a sealing ring for sealing with the host is provided in the sealing groove.

The beneficial effects of the utility model are: the high-voltage connector of the utility model has two sealing rings at the front and the rear, and the first sealing ring and the second sealing ring are attached to the inner wall of the main body, and have an interference fit with the wire to be assembled, and the sealing performance is good , In order to further enhance the sealing performance, add a back cover on the back side of the first sealing ring to prevent the first sealing ring from falling off; the second sealing ring is provided with a limit device to prevent the second sealing ring from moving. The high-voltage connector of the utility model adopts double sealing, and the sealing performance is better, and the back cover and the main body are detachably connected, the structure is simple, and the disassembly and assembly are very convenient.

Description of drawings

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

Fig. 2 is a schematic cross-sectional view of A-A of the embodiment of the utility model.

Fig. 3 is a schematic structural view of the internal parts of the high-voltage connector according to the embodiment of the present invention.

Fig. 4 is an enlarged view of place B of the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a high voltage connector according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of the pressing part of the embodiment of the present invention when it is not assembled.

Fig. 7 is a structural schematic view of the assembly of the pressing part of the embodiment of the present invention.

detailed description

Below in conjunction with accompanying drawing, the utility model embodiment is further described:

The high-voltage connector includes a main body 1, the main body 1 is provided with a first sealing ring 2 and a second sealing device 4 for being sleeved on the electric wire 7, and the main body 1 is provided with a positioning hole through which the power supply wire 7 passes 11. The first sealing ring 2 is located on the rear side of the positioning hole 11, the first sealing ring 2 is attached to the inner wall of the main body 1, the second sealing device 4 is located in front of the positioning hole 11, and the second sealing device 4 includes a second sealing ring 41 for being sleeved on the electric wire 7 and a limiting device 42 for preventing the second sealing ring 41 from slipping out, the second sealing ring 41 is attached to the inner wall of the main body 1, and the first A rear cover 3 is provided behind the first sealing ring 2 to prevent the first sealing ring 2 from falling, and the rear cover 3 is detachably connected to the main body 1 . The high-voltage connector has two front and rear sealing rings, and the first sealing ring and the second sealing ring are attached to the inner wall of the main body, and have an interference fit with the wires to be assembled. The sealing performance is good. In order to further enhance the sealing performance, the first sealing ring A back cover is added to the rear side to prevent the first sealing ring from falling off; a limit device is provided on the second sealing ring to prevent the second sealing ring from moving. The high-voltage connector of the utility model adopts double sealing, and the sealing performance is better, and the back cover and the main body are detachably connected, the structure is simple, and the disassembly and assembly are very convenient.

Described electric wire 7 comprises conductor 71, insulating layer 72, shielding layer 73, sheath 74, and shielding layer is made of metal material, is sleeved on the insulating layer, and its effect is to prevent high voltage, low voltage, high frequency, electric wave, magnetic field Interference, the sheath is set outside the shielding layer to play a protective role, and the main body 1 is provided with a compression mechanism 21 for being sleeved on the outer layer of the wire to compress the shielding layer 73 of the wire. The compression mechanism 21 It includes a pressing piece 22 and a first gasket 23, the tail portion 221 of the pressing piece 22 is sleeved on the first gasket 23, the top end 222 is against the inner wall of the main body 1, and the tail portion 221 is against the first gasket 23, so The pressing part is made of heat-resistant metal material and has certain elasticity. The main body is made of aluminum alloy material. The contact between the pressing part and the inner wall of the main body can play the role of grounding. The first sealing ring 2 is set at the Between a spacer 23 and the back cover 3 .

Since the first sealing ring is located on the rear side of the first gasket and is in contact with the first gasket, the first gasket 23 includes a horizontal part 231 and a vertical part sleeved on the electric wire in order to make the first sealing ring evenly stressed. 232, the transverse part 231 is against the side of the first sealing ring 2, the tail part 221 of the pressing part 22 is circular when it is not assembled, which is convenient for assembly. In order to further compress the shielding layer, the pressing part is sleeved on After the vertical part 232 is pressed against the horizontal part 231, the tail part is pressed into a hexagonal shape by a hydraulic press. The head 222 of the pressing part 22 is an annular claw, which is against the inner wall of the main body 1 and the lower surface of the positioning hole 11. There are at least 10 claws on the head, and at least 20 contact points with the inner wall of the main body, which greatly enhances the environmental vibration resistance of the product.

The limiting device 42 includes a second gasket 43 and a limiting piece 44. One side of the second sealing ring 41 abuts against the upper surface of the positioning hole 11, and the other side abuts against the second gasket 43. The limiting piece 44 is located on the second gasket 43 , and the inner wall of the main body 1 is provided with a limiting slot 12 corresponding to the position of the limiting piece 44 , and the limiting piece 44 is engaged with the limiting groove 12 . The function of the position limiting device is to limit the movement of the second sealing ring. When assembling, the second sealing ring is sleeved on the electric wire and squeezed into the main body, and then the gasket is sleeved on the electric wire and placed on the second sealing ring. Then snap the limit piece into the limit slot to fix the washer. The function of the gasket is to prevent the second sealing ring from being worn by the spacer.

The spacer 44 is a metal buckle made of spring steel and has a certain degree of elasticity. When assembling, the spacer is squeezed in the middle and placed on the gasket, and when the spacer is flush with the spacer, loosen the spacer. Open the limit piece so that it snaps into the limit slot.

The main body 1 is engaged with the rear cover 3 , the outer wall of the main body 1 is provided with a locking block 13 , and the rear cover 3 is provided with a locking slot 31 corresponding to the locking block 13 . In order to facilitate snapping in, the outside of the block is inclined. The snap-on structure makes installation easier. The back cover is made of nylon PA66-GF30 material, which has high mechanical strength, good fatigue resistance, good self-extinguishing property, good electrical insulation, safer and longer service life.

A plurality of annular grooves 5 are provided on the outer wall and the inner wall of the first sealing ring 2 and the outer wall and the inner wall of the second sealing ring 41 . The annular groove is in close contact with the inner wall of the main body and the electric wires, and such a structure can make the product more waterproof and airtight.

The first sealing ring 2 and the second sealing ring 41 are made of oil-resistant silicone rubber, which have good sealing performance and high temperature resistance.

A high-voltage connector 6 is provided on the wire, and a waterproof rubber ring 61 is provided on the high-voltage connector 6 . The high-voltage joints are copper joints with good electrical conductivity, and the waterproof rubber ring can further improve the waterproof sealing performance of the product.

The main body 1 is provided with a plurality of installation holes 14 for connecting and fixing with the host. The multi-point installation makes the connection between the main body and the host more compact and stable. In order to ensure the tightness between the main body and the host, the main body 1 is provided with a sealing groove 15, and the sealing groove 15 is provided with a sealing ring 16 for sealing with the host. The sealing ring 16 is a special-shaped sealing ring, which adapts to the shape of the main body and the main engine, and has better sealing performance.

Notes to all technical personnel: Although the utility model has been described according to the above-mentioned specific embodiments, the inventive idea of the utility model is not limited to this utility model, and any modification using the inventive idea will be included in the protection scope of the patent right Inside.

Claims (10)

1. A high-voltage connector, comprising a main body (1), characterized in that: the main body (1) is provided with a first sealing ring (2) and a second sealing device ( 4), the main body (1) is provided with a positioning hole (11) through which the power supply line (7) passes, the first sealing ring (2) is located on the rear side of the positioning hole (11), the first sealing ring The ring (2) is attached to the inner wall of the main body (1), the second sealing device (4) is located in front of the positioning hole (11), and the second sealing device (4) includes a The second sealing ring (41) and the limit device (42) used to prevent the second sealing ring (41) from slipping out, the second sealing ring (41) is attached to the inner wall of the main body (1), the first A rear cover (3) for preventing the first sealing ring (2) from falling is provided behind the sealing ring (2), and the rear cover (3) is detachably connected with the main body (1). 2. The high-voltage connector according to claim 1, characterized in that, the main body (1) is provided with a pressing mechanism ( 21), the pressing mechanism (21) includes a pressing piece (22) and a first gasket (23), and the tail (221) of the pressing piece (22) is sleeved on the first gasket (23) The head (222) is against the inner wall of the main body (1), and the tail (221) is against the first gasket (23). The first sealing ring (2) is set between the first gasket (23) and the back cover (3) Between. 3. The high-voltage connector according to claim 2, characterized in that, the first gasket (23) includes a horizontal part (231) and a vertical part (232) sleeved on the electric wire, and the horizontal part (231) Against the side of the first sealing ring (2), the tail part (221) of the pressing part (22) is hexagonal, sleeved on the vertical part (232) and against the horizontal part (231), the The head (222) of the pressing member (22) is an annular claw piece, which abuts against the inner wall of the main body (1) and the lower surface of the positioning hole (11). 4. The high-voltage connector according to claim 1, characterized in that, the limiting device (42) includes a second gasket (43) and a limiting piece (44), and the second sealing ring (41) One side is against the upper surface of the positioning hole (11), and the other side is against the second gasket (43), the limit piece (44) is located on the second gasket (43), and the inner wall of the main body (1) A limit slot (12) is provided at a position corresponding to the limit piece (44), and the limit piece (44) is engaged with the limit groove (12). 5. The high-voltage connector according to claim 4, characterized in that, the limiting piece (44) is a metal buckle made of spring steel. 6. The high-voltage connector according to claim 1, characterized in that, the main body (1) is engaged with the rear cover (3), and the outer wall of the main body (1) is provided with a locking block (13), so The rear cover (3) is provided with a card slot (31) corresponding to the card block (13). 7. The high-voltage connector according to claim 1, characterized in that, the outer wall and inner wall of the first sealing ring (2) and the outer wall and inner wall of the second sealing ring (41) are provided with multiple an annular groove (5). 8. The high-voltage connector according to claim 1, characterized in that, the first sealing ring (2) and the second sealing ring (41) are made of oil-resistant silicone rubber. 9. The high-voltage connector according to claim 1, characterized in that a high-voltage connector (6) is provided on the wire, and a waterproof rubber ring (61) is provided on the high-voltage connector (6). 10. The high-voltage connector according to claim 1, characterized in that, the main body (1) is provided with multiple installation holes (14) for connecting and fixing with the host, and the main body (1) is provided with a sealing groove (15), the sealing groove (15) is provided with a sealing ring (16) for sealing with the host.