Waterproof new energy automobile connector

Abstract

The invention relates to the technical field of automobile connectors, in particular to a waterproof new energy automobile connector which comprises an outer shell, and a connecting wire is installed on one side of the outer shell in a conducting mode. According to the waterproof new energy automobile connector, when the outdoor temperature is high, the power transmission heat of the connecting wire is increased, and the heat is transferred to the interior of one side of the liquid injection cavity through the heat conduction copper plate, so that the heat expansion and cold contraction liquid in the liquid injection cavity is heated and expanded, and the limiting sealing block on one side is extruded to move; through cooperation of an oil guide pipe and a first one-way valve, maintenance oil in one side of a liquid injection cavity is extruded into a plurality of limiting spray heads, finally, the maintenance oil uniformly drips on the surface of a sealing ring through the limiting spray heads, and the maintenance oil can be automatically smeared on the surface of the sealing ring to maintain the sealing ring when the sealing ring is used at high temperature; the flexibility and the anti-aging capability of the rubber are improved, so that the aging of the sealing ring is delayed, the overall sealing use effect is ensured, and the replacement frequency of the sealing ring is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive connectors, and particularly to a waterproof new energy vehicle connector. Background Art

[0002] Inside vehicles such as automobiles, among the connectors used for connecting electrical components, in order to prevent water from entering the connector, a waterproof connector with a sealing member is sometimes used. The sealing member is formed of a rubber or other shaped body and has an insertion hole into which the connector terminal can be inserted. A waterproof connector is formed by inserting a terminal wire with a connector terminal connected to the end of the wire into the insertion hole of the sealing member housed in the connector housing.

[0003] The waterproof sealing member in existing automotive connectors is generally a rubber sealing ring. When the vehicle is used outdoors, the wiring harness connector is exposed to the outdoor high-temperature environment for a long time. After the sealing ring inside the wiring harness connector is used for a period of time, the external high temperature will cause the rubber sealing ring to become hard and brittle, resulting in aging, and ultimately leading to a decline in the sealing and waterproof performance. Summary of the Invention

[0004] The purpose of the present invention is to provide a waterproof new energy vehicle connector to solve the problem that after the sealing ring inside the wiring harness connector is used for a period of time, the external high temperature will cause the rubber sealing ring to become hard and brittle, resulting in aging, and ultimately leading to a decline in the sealing and waterproof performance as mentioned in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A waterproof new energy vehicle connector, including an outer housing, on one side of the outer housing, a connecting wire is conductively installed, in the middle position on the other side of the outer housing, a connecting head is fixed, and an inner conductor is installed inside the connecting head, and one end of the inner conductor is electrically connected to one end of the connecting wire. A sealing ring is sleeved through the outside of the connecting head close to the connecting wire; a limiting mechanism is arranged between the connecting head and the sealing ring; an oiling mechanism is arranged inside one side of the outer housing, and the function of the oiling mechanism is to automatically apply maintenance oil on the surface of the sealing ring; a sealing mechanism is arranged outside one side of the outer housing close to the sealing ring.

[0006] Further, the limiting mechanism includes a limiting ring and a limiting groove. The limiting ring is fixedly installed through the outer wall of the connecting head close to the outer housing, and a limiting groove is embedded around the middle position of the outside of the limiting ring. One side outer surface of the sealing ring is abutted and clamped inside one side of the limiting groove.

[0007] Further, the limiting mechanism further includes a limiting nozzle. The limiting nozzles are installed around the outer part of the top end of the limiting ring near the sealing ring at equal angles, and the limiting nozzles are arranged in an arc shape.

[0008] Further, the oiling mechanism includes an oil storage cavity, a liquid injection cavity and a limiting seal block. An oil storage cavity is preset in the inner part of one side of the outer shell in an embedded manner. A liquid injection cavity is preset in the inner part of the outer shell near the oil storage cavity in an embedded manner. A limiting seal block is installed in the liquid injection cavity in a sliding and sealing manner.

[0009] Further, the oiling mechanism further includes a heat-conducting copper plate, an oil guide pipe and a check valve I. A heat-conducting copper plate is installed through the inner part of the liquid injection cavity near the limiting seal block. One end of the heat-conducting copper plate is wrapped and attached to the outer part of one side of the connecting wire. A thermally expandable and contractible liquid is filled in the inner part of the liquid injection cavity near the heat-conducting copper plate. An oil guide pipe is installed through and communicated with the inner wall of the liquid injection cavity far from the heat-conducting copper plate. A check valve I is installed through and communicated with the inner part of the oil guide pipe near the liquid injection cavity.

[0010] Further, the oiling mechanism further includes an oil inlet pipe and a check valve II. The input ends of the limiting nozzles are respectively connected and communicated with the output end of the oil guide pipe through branch pipes. An oil inlet pipe is installed through and communicated with the inner part of the liquid injection cavity near the oil guide pipe. A check valve II is installed through and communicated with the inner part of the oil inlet pipe near the liquid injection cavity. One end of the oil inlet pipe is installed through and communicated with the inner part of one side of the oil storage cavity.

[0011] Further, the oiling mechanism further includes a contact spring, an oil injection port and a sealing plug. A contact spring is fixed to the outer part of the limiting seal block far from the heat-conducting copper plate, and the other end of the contact spring is installed in the inner wall of one side of the liquid injection cavity in an embedded manner. An oil injection port is installed through and communicated between the inner part of one side of the oil storage cavity and the outer part of one side of the outer shell. A sealing plug is installed at the input end of the oil injection port.

[0012] Further, the sealing mechanism includes a limiting groove, a gas collecting cavity and a contact ring. An annular limiting groove is preset in the inner part of the outer shell near the sealing ring. An annular gas collecting cavity is preset in the middle position of the bottom wall of the limiting groove. A contact ring is installed in the annular gas collecting cavity in a sliding and sealing manner.

[0013] Further, the sealing mechanism further includes an air guide pipe and an expansion air bag. A plurality of groups of air guide pipes are installed through and symmetrically around the bottom wall of the annular gas collecting cavity at equal angles. Expansion air bags are respectively preset in an embedded and surrounding and fitting manner on the two inner walls of the annular limiting groove, and the output ends of two symmetrically installed air guide pipes in a group are respectively connected and communicated with the inner part of one side of the corresponding expansion air bag.

[0014] Furthermore, the sealing mechanism also includes a return spring, and a plurality of return springs are installed around the bottom wall of the annular air collecting cavity at equal angles, and the top ends of the return springs are fixedly installed on the bottom wall of the abutment ring.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. When the outdoor temperature is high, the heat of the connecting wire itself increases. At this time, the heat is transferred to the inside of one side of the injection cavity through the heat-conducting copper plate, so that the thermal expansion and contraction liquid inside the injection cavity expands due to heat, thereby squeezing the limit seal block on one side to move, and cooperating with the conduction of the oil guide pipe and the one-way valve, so as to squeeze the maintenance oil inside one side of the injection cavity into multiple limit nozzles, and finally drip the maintenance oil evenly on the surface of the sealing ring through several limit nozzles, so that the maintenance oil can be automatically applied to the surface of the sealing ring for maintenance when used at high temperature, thereby increasing the softness and anti-aging ability of the rubber, thereby delaying the aging of the sealing ring, ensuring the overall sealing effect, reducing the replacement frequency of the sealing ring, and being convenient to use; 2. During use, the setting of the limiting ring and the limiting card slot can ensure that the sealing ring can be more stable during installation, and the accuracy of the installation position can be ensured. At the same time, the setting of several arc-shaped limiting nozzles installed around the top of the sealing ring at equal angles near the limiting ring can prevent the sealing ring from shaking up and down or escaping from the limiting card slot when the inner wall of the external port contacts and moves with the outer wall of the sealing ring during the process of plugging and disassembling the connector with the external port, thereby ensuring the subsequent sealing and waterproof effect of the sealing ring, and the overall use effect is good; 3. When the external port is plugged into the connector, when the plug-in end of the external port contacts the contact ring inside the limit groove and continues to move for plugging, the contact ring will move toward the inside of the air collecting chamber, so that the contact ring squeezes the gas inside the air collecting chamber into the expansion airbags on the inner walls on both sides of the limit groove, so that the expansion airbags on both sides expand synchronously and contact and seal with the inner wall and outer wall of the opening end of the external port, so that the connector as a whole has a secondary sealing effect, and the overall waterproof sealing effect is better. At the same time, when the external port and the connector are disassembled and moved back, the reset spring drives the contact ring to rebound, thereby drawing back the gas inside the expansion airbag, so that the outer wall of the expansion airbag will not fit tightly to the surface of the external port when it is pulled out, thereby reducing friction damage and extending the service life of the expansion airbag. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the connector structure of the present invention; Figure 2 It is a schematic diagram of the overall partial cross-sectional three-dimensional structure of the present invention; Figure 3Schematic three-dimensional structure diagram of the limit mechanism and the connector of the present invention; Figure 4 For the present invention Figure 3 Schematic enlarged structure diagram at position A in the present invention; Figure 5 Schematic front view structure diagram of the seal ring and the limit ring installation of the present invention; Figure 6 Schematic three-dimensional structure diagram of the oiling mechanism and the outer housing installation of the present invention; Figure 7 For the present invention Figure 6 Schematic enlarged structure diagram at position B in the present invention; Figure 8 Schematic three-dimensional structure diagram of the oil inlet pipe and the check valve II installation of the present invention; Figure 9 Schematic partial cross-sectional three-dimensional structure diagram of the sealing mechanism and the outer housing installation of the present invention; Figure 10 For the present invention Figure 9 Schematic enlarged structure diagram at position C in the present invention; Figure 11 Schematic demonstration diagram of the connector and the external port insertion of the present invention.

[0017] In the figure: 1. Outer housing; 2. Connecting wire; 3. Connector; 4. Inner conductor; 5. Seal ring; 6. Limit mechanism; 601. Limit ring; 602. Limit card slot; 603. Limit spray head; 7. Oiling mechanism; 701. Oil storage cavity; 702. Liquid injection cavity; 703. Heat-conducting copper plate; 704. Limit sealing block; 705. Oil guide pipe; 706. Check valve I; 707. Oil inlet pipe; 708. Check valve II; 709. Resisting spring; 7010. Oil injection port; 7011. Sealing plug; 8. Sealing mechanism; 801. Limit groove; 802. Gas collection cavity; 803. Resisting ring; 804. Air guide pipe; 805. Expansion airbag; 806. Return spring. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figure 1-11, the present invention provides a technical solution: a waterproof new energy vehicle connector, including a housing 1, a connecting wire 2 is conductively installed on one side of the housing 1, a connector 3 is fixed at the middle position on the other side of the housing 1, and an inner conductor 4 is installed inside the connector 3, and one end of the inner conductor 4 is electrically connected to one end of the connecting wire 2. A sealing ring 5 is sleeved through the outside of one side of the connector 3 close to the connecting wire 2; a limiting mechanism 6 is arranged between the connector 3 and the sealing ring 5; an oiling mechanism 7 is arranged inside one side of the housing 1, and the function of the oiling mechanism 7 is to automatically apply maintenance oil on the surface of the sealing ring 5; a sealing mechanism 8 is arranged outside one side of the housing 1 close to the sealing ring 5.

[0020] In this embodiment, the waterproof new energy vehicle connector mainly includes a housing 1, a connector 3, a limiting mechanism 6, an oiling mechanism 7 and a sealing mechanism 8. Among them, when the waterproof new energy vehicle connector provided by this solution is actually used, first align this connector with the external connection port to be plugged in outside, and then perform the plugging. During the plugging process, through the setting of the sealing ring 5, the plugging gap between the two is sealed. When the plugging is completed, through the triggering operation of the sealing mechanism 8, the inner wall and the outer wall of the open end of the external connection port are secondarily abutted and sealed, so that the overall waterproof and sealing effect is better. During the plugging process, through the setting of the limiting mechanism 6, the installation stability of the sealing ring 5 can be ensured, and it is ensured that the sealing ring 5 will not be misaligned or taken out and lost during the plugging process, and the overall use effect is good.

[0021] When the outdoor temperature is relatively high, at this time, the heat generated by the connecting wire 2 during power transmission increases. At this time, through the automatic triggering of the oiling mechanism 7 by heat, the maintenance oil can be automatically applied on the surface of the sealing ring 5 during high-temperature use for maintenance, so as to increase the softness and anti-aging ability of the rubber, thereby delaying the aging of the sealing ring 5, ensuring the overall sealing use effect, reducing the replacement frequency of the sealing ring 5, and the overall use is convenient.

[0022] In some embodiments, the limiting mechanism 6 includes a limiting ring 601 and a limiting groove 602. The limiting ring 601 is fixedly installed through the outer wall of one side of the connector 3 close to the housing 1. The limiting groove 602 is embedded and arranged around the middle position of the outside of the limiting ring 601. One side outer surface of the sealing ring 5 is abutted and installed inside one side of the limiting groove 602; the limiting mechanism 6 further includes a limiting nozzle 603. The limiting nozzles 603 are installed around the top of the limiting ring 601 close to the sealing ring 5 at equal angles, and the limiting nozzles 603 are arranged in an arc shape.

[0023] Combined with Figure 2 、 Figure 3 and Figure 4As shown, when the device is plugged in and used, through the settings of the limit ring 601 and the limit card slot 602, it can ensure that the sealing ring 5 is more stable during installation and ensure the accuracy of the installation position.

[0024] At the same time, during use, through the setting of a number of arc-shaped limit spray nozzles 603 installed around the top of the sealing ring 5 at equal angles by the limit ring 601, when the connector is plugged and unplugged with an external port, it can prevent the inner wall of the external port from contacting and rubbing against the outer wall of the sealing ring 5 during movement, which may drive the sealing ring 5 to shake or tilt up and down or break away from the inside of the limit card slot 602, resulting in the misalignment or loss of the position of the sealing ring 5. Figure 5 As shown, thus ensuring the subsequent sealing and waterproof effect of the sealing ring 5, and the overall use effect is good.

[0025] In some embodiments, the oiling mechanism 7 includes an oil storage chamber 701, a liquid injection chamber 702, and a limit sealing block 704. An oil storage chamber 701 is embedded and preset inside one side of the outer housing 1, and a liquid injection chamber 702 is embedded and preset inside the outer housing 1 close to the oil storage chamber 701. A limit sealing block 704 is slidably and sealingly installed inside the liquid injection chamber 702; the oiling mechanism 7 further includes a heat-conducting copper plate 703, an oil guide pipe 705, and a one-way valve 706. A heat-conducting copper plate 703 is installed through the inside of the liquid injection chamber 702 close to the limit sealing block 704. One end of the heat-conducting copper plate 703 is wrapped and attached to the outside of one side of the connecting wire 2. A thermally expandable and contractible liquid is filled inside the liquid injection chamber 702 close to the heat-conducting copper plate 703. An oil guide pipe 705 is installed through and communicated with the inner wall of the liquid injection chamber 702 far from the heat-conducting copper plate 703. A one-way valve 706 is installed through and communicated with the inside of the oil guide pipe 705 close to the liquid injection chamber 702; the oiling mechanism 7 further includes an oil inlet pipe 707 and a one-way valve 708. The input ends of the limit spray nozzles 603 are all connected and communicated with the output end of the oil guide pipe 705 through branch pipes. An oil inlet pipe 707 is installed through and communicated with the inside of the liquid injection chamber 702 close to the oil guide pipe 705. A one-way valve 708 is installed through and communicated with the inside of the oil inlet pipe 707 close to the liquid injection chamber 702. One end of the oil inlet pipe 707 is installed through and communicated with the inside of one side of the oil storage chamber 701.

[0026] Combined with Figure 6 、 Figure 7 and Figure 8As shown, when the outdoor temperature of the connector is high, the heat of the connecting wire 2 itself is increased. At this time, the heat generated by the connecting wire 2 itself is transferred to the inside of one side of the injection cavity 702 through the heat-conducting copper plate 703, so that the thermal expansion and contraction liquid inside the injection cavity 702 expands due to the heat, thereby squeezing the limiting sealing block 704 on one side to move, thereby squeezing the maintenance oil originally sucked into the injection cavity 702 into the inside of the one-way valve 706 and the oil guide pipe 705, and through the conduction installation of the oil guide pipe 705 and the limiting nozzle 603, the maintenance oil inside one side of the injection cavity 702 is squeezed into multiple limiting nozzles 603, and finally the maintenance oil is evenly dripped on the surface of the sealing ring 5 through the multiple limiting nozzles 603, so that the maintenance oil can be automatically applied to the surface of the sealing ring 5 for maintenance when used at high temperature, thereby increasing the softness and anti-aging ability of the rubber, thereby delaying the aging of the sealing ring 5, ensuring the overall sealing effect, reducing the replacement frequency of the sealing ring 5, and the overall use is convenient.

[0027] In some embodiments, the oiling mechanism 7 also includes a resistance spring 709, an oil filling port 7010 and a sealing plug 7011. A resistance spring 709 is fixed to the outside of the side of the limiting sealing block 704 away from the heat-conducting copper plate 703, and the other end of the resistance spring 709 is embedded on the inner wall of one side of the liquid injection cavity 702. The oil filling port 7010 is installed through the inside of one side of the oil storage cavity 701 and the outside of one side of the outer shell 1, and the input end of the oil filling port 7010 is installed with a sealing plug 7011.

[0028] Combination Figure 7 and Figure 8 As shown, when the outside temperature drops, the thermal expansion and contraction liquid inside the injection chamber 702 begins to cool down and contract, and cooperates with the rebound reset of the resistance spring 709, thereby driving the limit seal block 704 to start moving back. During the moving back process, the limit seal block 704 is installed through the oil inlet pipe 707 and the one-way valve 708, so that the maintenance oil previously stored in the oil storage chamber 701 is sucked into one side of the injection chamber 702, ensuring that it can be triggered for secondary extrusion and use later. The whole device can automatically extrude and apply the maintenance oil and suck it for standby use, and the overall use effect is good. At the same time, when the device is repaired, the sealing plug 7011 on one side can be opened, and the maintenance oil can be stored in the oil storage chamber 701 through the oil filling port 7010. The operation is simple and convenient to use.

[0029] At the same time, by setting the one-way valve 1 706 and the one-way valve 2 708, the limit seal block 704 will not squeeze the maintenance oil inside the injection chamber 702 into the oil storage chamber 701 when it is squeezed and moved. At the same time, it can also ensure that the limit seal block 704 will not suck the stored oil inside the oil guide pipe 705 when it moves back for absorption, thereby ensuring the overall operation stability.

[0030] In some embodiments, the sealing mechanism 8 includes a limiting groove 801, an air collecting cavity 802 and a resistance ring 803. An annular limiting groove 801 is embedded in the inner part of the outer shell 1 close to the sealing ring 5, and an annular air collecting cavity 802 is embedded in the middle position of the bottom wall of the limiting groove 801. The internal sliding seal of the annular air collecting cavity 802 is installed with a resistance ring 803; the sealing mechanism 8 also includes an air guide tube 804 and an expansion air bag 805. Several groups of air guide tubes 804 are symmetrically installed at equal angles on the bottom wall of the annular air collecting cavity 802. Expansion air bags 805 are embedded and fitted on the inner walls on both sides of the annular limiting groove 801, and the output ends of a group of two symmetrically installed air guide tubes 804 are respectively connected to the inside of one side of the expansion air bag 805 on the corresponding side.

[0031] Combination Figure 9 and Figure 10 As shown, when the external port plug-in end contacts the abutment ring 803 inside the limiting groove 801 and continues to move for plugging, the abutment ring 803 will be abutted by the external port plug-in end and will move toward the inside of the gas collecting cavity 802, so that the abutment ring 803 squeezes the gas inside the gas collecting cavity 802 into the inside of the air guide tube 804, and the gas is squeezed into the expansion airbags 805 on the inner walls of both sides of the limiting groove 801 through the conduction of the air guide tube 804. Figure 11 As shown, the expansion airbags 805 on both sides expand synchronously and contact and seal with the inner wall and outer wall of the opening end of the external port, so that the connector as a whole has a secondary sealing effect, making the overall waterproof sealing effect better.

[0032] In some embodiments, the sealing mechanism 8 further includes a return spring 806 , and a plurality of return springs 806 are installed at equal angles around the bottom wall of the annular air collecting cavity 802 , and the top ends of the return springs 806 are fixedly mounted on the bottom wall of the abutment ring 803 .

[0033] Combination Figure 10 and Figure 11 As shown, when the external port and the connector are disassembled and moved back, the resistance ring 803 is no longer resisted by the plug-in end of the external port and begins to move back. At this time, the return spring 806 drives the resistance ring 803 to start rebounding, thereby drawing the internal gas of the expansion airbag 805 back to the inside of the annular air collecting chamber 802, so that the outer wall of the expansion airbag 805 will not fit tightly to the surface of the external port when the external port and the connector are disassembled and pulled out, thereby reducing friction damage and extending the service life of the expansion airbag 805.

[0034] All the standard parts used in the present invention can be purchased from the market. The special-shaped parts can be customized according to the descriptions in the specification and the attached drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof new energy vehicle connector, comprising a housing (1), characterized in that: One side of the outer housing (1) is conductively installed with a connecting wire (2). A connector (3) is fixed at the middle position on the other side of the outer housing (1). An inner conductor (4) is installed inside the connector (3). One end of the inner conductor (4) is electrically connected to one end of the connecting wire (2). A sealing ring (5) is sleeved through the outside of one side of the connector (3) close to the connecting wire (2). A limiting mechanism (6) is arranged between the connector (3) and the sealing ring (5). An oiling mechanism (7) is arranged inside one side of the outer housing (1). The function of the oiling mechanism (7) is to automatically apply maintenance oil on the surface of the sealing ring (5). A sealing mechanism (8) is arranged outside one side of the outer housing (1) close to the sealing ring (5).

2. The waterproof new energy vehicle connector according to claim 1, characterized in that: The limiting mechanism (6) includes a limiting ring (601) and a limiting groove (602). The limiting ring (601) is fixedly installed through the outer wall of one side of the connector (3) close to the outer housing (1). The limiting groove (602) is embedded and arranged around the middle position of the outside of the limiting ring (601). One side outer surface of the sealing ring (5) is abutted and clamped inside one side of the limiting groove (602).

3. The waterproof new energy vehicle connector according to claim 2, wherein: The limiting mechanism (6) further includes a limiting nozzle (603). The limiting nozzles (603) are installed around the outside of the top end of the limiting ring (601) close to the sealing ring (5) at equal angles, and the limiting nozzles (603) are arranged in an arc shape.

4. The waterproof new energy vehicle connector according to claim 3, characterized in that: The oiling mechanism (7) includes an oil storage cavity (701), a liquid injection cavity (702) and a limiting sealing block (704). The oil storage cavity (701) is preset and embedded inside one side of the outer housing (1). The liquid injection cavity (702) is preset and embedded inside one side of the outer housing (1) close to the oil storage cavity (701). The limiting sealing block (704) is slidably and sealingly installed inside the liquid injection cavity (702).

5. The waterproof new energy vehicle connector according to claim 4, wherein: The oiling mechanism (7) further includes a heat-conducting copper plate (703), an oil guide pipe (705) and a one-way valve I (706). The heat-conducting copper plate (703) is installed through the inside of one side of the liquid injection cavity (702) close to the limiting sealing block (704). One end of the heat-conducting copper plate (703) is wrapped and attached to the outside of one side of the connecting wire (2). The liquid injection cavity (702) is filled with a thermally expandable and contractible liquid inside the side close to the heat-conducting copper plate (703). The oil guide pipe (705) is installed through and communicated with the inner wall of the side of the liquid injection cavity (702) far from the heat-conducting copper plate (703). The one-way valve I (706) is installed through and communicated with the inside of the side of the oil guide pipe (705) close to the liquid injection cavity (702).

6. The waterproof new energy vehicle connector according to claim 5, characterized in that: The oiling mechanism (7) further includes an oil inlet pipe (707) and a check valve II (708). The input ends of the limit nozzles (603) are all connected and communicated with the output end of the oil guide pipe (705) through branch pipes. An oil inlet pipe (707) is installed through and communicated inside the side of the liquid injection cavity (702) close to the oil guide pipe (705). A check valve II (708) is installed through and communicated inside the side of the oil inlet pipe (707) close to the liquid injection cavity (702). One end of the oil inlet pipe (707) is installed through and communicated inside the side of the oil storage cavity (701).

7. The waterproof new energy vehicle connector according to claim 6, wherein: The oiling mechanism (7) further includes a contact spring (709), an oil filling port (7010) and a sealing plug (7011). A contact spring (709) is fixed to the outer side of the limit sealing block (704) away from the heat conducting copper plate (703), and the other end of the contact spring (709) is embedded and installed on the inner wall of one side of the liquid injection cavity (702). An oil filling port (7010) is installed through and communicated between the inner side of one side of the oil storage cavity (701) and the outer side of the outer shell (1). A sealing plug (7011) is installed at the input end of the oil filling port (7010).

8. A waterproof new energy vehicle connector according to claim 1, characterized in that: The sealing mechanism (8) includes a limit groove (801), a gas collecting cavity (802) and a contact ring (803). An annular limit groove (801) is embedded and arranged inside the side of the outer shell (1) close to the sealing ring (5). An annular gas collecting cavity (802) is embedded and arranged at the middle position of the bottom wall of the limit groove (801). A contact ring (803) is installed in a sliding and sealing manner inside the annular gas collecting cavity (802).

9. The waterproof new energy vehicle connector according to claim 8, wherein: The sealing mechanism (8) further includes an air guide pipe (804) and an expansion air bag (805). A number of groups of air guide pipes (804) are symmetrically installed through and around the bottom wall of the annular gas collecting cavity (802) at equal angles. Expansion air bags (805) are embedded and arranged around and in contact with the inner walls on both sides of the annular limit groove (801), and the output ends of two symmetrically installed air guide pipes (804) in a group are respectively connected and communicated with the inside of one side of the corresponding expansion air bag (805).

10. A waterproof new energy vehicle connector according to claim 9, characterized in that: The sealing mechanism (8) further includes a return spring (806). A number of return springs (806) are installed around the bottom wall of the annular gas collecting cavity (802) at equal angles, and the tops of the return springs (806) are fixedly installed with the bottom wall of the contact ring (803).

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