A waterproof new energy electric vehicle battery box replacement connector

Abstract

The present invention discloses a waterproof new energy electric vehicle battery box power-changing connector, which aims to solve the technical problem that the connection of the existing electric vehicle power-changing connector lacks waterproof facilities, which will enter the inside of the plug along the terminal, affect the transmission of electricity, and even cause the contact point to heat up, resulting in abnormal phenomena such as electrical connection failure or burning. The battery box power-changing connector includes a socket and a plug that matches it, and the socket is provided with a male plug assembly for contacting and matching with the female jack assembly of the plug. The present invention provides a first waterproof sealing ring, a waterproof boss, and a second waterproof sealing ring, so that after the socket and the plug are locked by the fixing assembly, the second waterproof sealing ring on the waterproof boss is tightly matched with the inner wall of the mounting groove, and the first waterproof sealing ring on the right side of the connecting column is in close contact with the inner wall of the mounting groove, thereby improving the waterproof sealing ability of the connection, and effectively avoiding damage to the power-changing connector caused by external reasons.

Description

Technical Field

[0001] The present invention belongs to the technical field of electric vehicle charging and battery replacement, and specifically relates to a battery box battery replacement connector for a waterproof new energy electric vehicle. Background Art

[0002] In recent years, with the increasingly tight energy supply, as well as the advantages of short electricity replenishment time and low purchase cost, electric vehicles have become more and more popular among users, making new energy vehicles gradually become a research and development hotspot, especially the research and development of key technologies of new energy vehicle power systems such as batteries has received key support. New energy vehicles are equipped with battery boxes, which are charged through battery replacement connectors.

[0003] The electric vehicle battery swap connector is an important component of the quick-swap battery system. It is a special connector used to achieve quick electrical connection and separation between the entire vehicle and the quick-swap battery system. It is mainly composed of a vehicle-end electrical connection device, a battery-end electrical connection device and related cables. During use, the electrodes between the electrical connector on the battery end and the electrical connector on the vehicle end need to always maintain contact to ensure power output. Due to the lack of waterproof facilities at the connection between the plug and socket, water will enter the plug through the terminal and affect the transmission of electricity, and even cause the contact point to heat up, resulting in abnormal phenomena such as electrical connection failure or burning. Summary of the invention

[0004] (1) Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a waterproof battery box power exchange connector for new energy electric vehicles. The battery box power exchange connector is intended to solve the technical problem that the connection of the existing electric vehicle power exchange connector lacks waterproof facilities, which will enter the inside of the plug along the terminal and affect the transmission of electricity, and even cause the contact point to heat up, resulting in abnormal phenomena such as electrical connection failure or burning.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the present invention provides a waterproof new energy electric vehicle battery box replacement connector, which includes a socket and a plug matching therewith, the socket is provided with a male end plug assembly for contacting and matching with the female end jack assembly of the plug, the socket includes a first wire, a socket panel and a connecting column, a slot is provided on the right side of the connecting column, the male end plug assembly is arranged inside the slot, a first waterproof sealing ring is installed on the right side of the connecting column, a waterproof boss is fixedly connected to the right outer surface of the connecting column, a second waterproof sealing ring is installed on the outer surface of the waterproof boss, the plug includes a second wire and a plug shell, an installation groove is provided on the left side of the plug shell, a guide cylinder is fixedly connected to the inside of the installation groove, the female end jack assembly is arranged inside the guide cylinder, and fixing components are provided on the upper and lower sides of the plug shell, and the fixing components are used for fastening the plug shell and the socket panel.

[0008] Preferably, the male plug assembly comprises a plurality of communication pins and two power pins installed inside the slot, and both the communication pins and the power pins are electrically connected to the first wire.

[0009] Furthermore, the female end jack assembly includes a plurality of communication jacks and two elastic clips installed inside the guide cylinder, the elastic clips are fixedly connected inside with contacts, and an adjustment assembly is arranged on the outside of the elastic clips, and the adjustment assembly is used to adjust the elasticity of the elastic clips.

[0010] Furthermore, a guide boss is fixedly connected to the upper surface of the guide cylinder, and a guide groove matched with the guide boss is formed on the inner top wall of the slot.

[0011] Furthermore, the outer surface of the waterproof boss is the same size as the inner wall of the installation groove, and the outer surface of the guide cylinder is the same size as the inner wall of the slot.

[0012] Furthermore, the elastic clip includes a base and a plurality of elastic sheets fixedly connected to the base, the contact is fixedly connected to one end of the elastic sheet away from the base, the adjustment assembly includes a movable plate sleeved on the outer surface of the elastic sheet, the inner wall of the guide cylinder is rotatably connected to a screw rod, the screw rod passes through the movable plate and is fixedly connected to a knob, the screw rod is threadedly connected to the movable plate, and a movable protrusion in contact with the elastic sheet is installed on the movable plate.

[0013] Furthermore, the movable plate is slidably connected to the inside of the guide cylinder, a through hole corresponding to the communication jack is opened on the upper side of the movable plate, and a locking nut is threadedly connected to the outer surface of the screw rod and located on the front side of the movable plate.

[0014] Furthermore, two circular holes are provided on the movable plate, and a plurality of cavities are provided inside the movable plate and along the circumference of the circular holes. One end of the movable protrusion is located inside the cavity and is fixedly connected to the movable block, and a spring is installed between the movable block and the inner wall of the cavity.

[0015] Furthermore, the fixing assembly includes a fixing seat fixedly connected to the upper and lower sides of the plug shell, the interior of the fixing seat is elastically rotatably connected to a pressure plate, the left side of the pressure plate is fixedly connected to a card block, and the upper and lower sides of the socket panel are provided with card slots corresponding to the card block.

[0016] Furthermore, the fixing seat is of U-shaped structure, the front and rear sides of the pressure plate are fixedly connected with pins, the other end of the pin is rotatably connected to the inner wall of the fixing seat, and the outer surface of the pin is sleeved with a torsion spring.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In the above scheme, by providing an adjustment component on the outside of the elastic clip, when the power pin is in loose contact with the elastic clip, the socket is separated from the plug, and then the locking nut is loosened. Then the tool is used to turn the knob to drive the screw to rotate. During the rotation, the screw can drive the movable plate and the movable protrusion to move to the left, thereby changing the elastic deformation position of the elastic sheet. When the power pin is inserted into the elastic clip, the elastic sheet on the elastic clip is elastically deformed around the movable protrusion. The restoring force of the elastic sheet and the spring makes the contact better and more closely contact with the power pin, thereby avoiding the increase in contact resistance caused by the deformation of the elastic sheet and improving the service life of the power exchange connector.

[0020] In the above scheme, by setting the first waterproof sealing ring, the waterproof boss and the second waterproof sealing ring to cooperate with each other, after the socket and the plug are locked by the fixing assembly, the second waterproof sealing ring on the waterproof boss is tightly matched with the inner wall of the mounting groove, and the first waterproof sealing ring on the right side of the connecting column is in close contact with the inner wall of the mounting groove, thereby improving the waterproof sealing ability of the connection and effectively avoiding damage to the power exchange connector due to external reasons. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural diagram of a battery box power replacement connector for a waterproof new energy electric vehicle;

[0022] Figure 2 It is a front view structural diagram of a battery box power replacement connector for a waterproof new energy electric vehicle;

[0023] Figure 3 It is a top view structural diagram of a battery box power replacement connector for a waterproof new energy electric vehicle;

[0024] Figure 4 For waterproof new energy electric vehicle battery box replacement connector Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 5 A schematic diagram of the three-dimensional structure of a socket of a battery box power replacement connector for a waterproof new energy electric vehicle;

[0026] Figure 6 It is a right view structural diagram of the socket of the battery box power replacement connector of a waterproof new energy electric vehicle;

[0027] Figure 7 It is a front view structural diagram of the socket of the battery box power replacement connector of a waterproof new energy electric vehicle;

[0028] Figure 8 A schematic diagram of the three-dimensional structure of a plug of a battery box power replacement connector for a waterproof new energy electric vehicle;

[0029] Fig. 9 For waterproof new energy electric vehicle battery box replacement connector Figure 8 A schematic diagram of the enlarged structure at B in the middle;

[0030] Fig.10 It is a left-side structural schematic diagram of the plug of the battery box power replacement connector of a waterproof new energy electric vehicle;

[0031] Fig.11 This is a schematic diagram of the structure of the elastic card connector of the battery box replacement connector of a waterproof new energy electric vehicle.

[0032] The marks in the attached drawings are: 1, first wire; 2, socket panel; 3, connecting column; 4, slot; 5, first waterproof sealing ring; 6, waterproof boss; 7, second waterproof sealing ring; 8, second wire; 9, plug shell; 10, mounting groove; 11, guide cylinder; 12, fixing component; 13, communication pin; 14, power pin; 15, communication jack; 16, elastic card connector; 17, contact; 18, adjustment component; 401, guide groove; 1101, Guide boss; 1201, fixed seat; 1202, pressure plate; 1203, block; 1204, slot; 1205, pin; 1206, torsion spring; 1601, base; 1602, elastic sheet; 1801, movable plate; 1802, screw rod; 1803, knob; 1804, movable boss; 1805, through hole; 1806, locking nut; 1807, round hole; 1808, cavity; 1809, movable block; 1810, spring. DETAILED DESCRIPTION

[0033] This specific implementation is a waterproof new energy electric vehicle battery box replacement connector, and its structural diagram is as follows Figure 1-Figure 11 As shown, the battery box power replacement connector includes a socket and a plug that cooperates therewith, and the socket is provided with a male end plug component for contacting and cooperating with the female end jack component of the plug;

[0034] The socket comprises a first wire 1, a socket panel 2 and a connecting column 3, a slot 4 is provided on the right side of the connecting column 3, a male plug assembly is arranged inside the slot 4, a first waterproof sealing ring 5 is installed on the right side of the connecting column 3, a waterproof boss 6 is fixedly connected to the outer surface of the right side of the connecting column 3, and a second waterproof sealing ring 7 is installed on the outer surface of the waterproof boss 6;

[0035] The plug includes a second wire 8 and a plug shell 9. A mounting groove 10 is provided on the left side of the plug shell 9. A guide cylinder 11 is fixedly connected to the inside of the mounting groove 10. The female end jack assembly is arranged inside the guide cylinder 11. Fixed assemblies 12 are provided on the upper and lower sides of the plug shell 9. The fixed assemblies 12 are used for fastening the plug shell 9 to the socket panel 2.

[0036] like Figure 1 , Figure 3 , Figure 5 and Figure 8 As shown, in this embodiment, the male end plug assembly includes a plurality of communication pins 13 and two power pins 14 installed inside the slot 4, and the communication pins 13 and the power pins 14 are both electrically connected to the first wire 1. The female end jack assembly includes a plurality of communication jacks 15 and two elastic clips 16 installed inside the guide cylinder 11. The inside of the elastic clip 16 is fixedly connected with a contact 17, and the outside of the elastic clip 16 is provided with an adjustment assembly 18. The adjustment assembly 18 is used to adjust the elasticity of the elastic clip 16. When in use, the communication pin 13 is inserted into the inside of the communication jack 15, and the power pin 14 is inserted into the inside of the elastic clip 16 to realize the electrical connection between the socket and the plug.

[0037] like Figure 5 and Figure 8 As shown, in this embodiment, a guide boss 1101 is fixedly connected to the upper surface of the guide cylinder 11, and a guide groove 401 adapted to the guide boss 1101 is formed on the inner top wall of the slot 4. The guide boss 1101 cooperates with the guide groove 401 to prevent reverse insertion, thereby improving safety.

[0038] like Figure 1-8 As shown, in this embodiment, the outer surface of the waterproof boss 6 is the same size as the inner wall of the mounting groove 10, and the outer surface of the guide cylinder 11 is the same size as the inner wall of the slot 4, so that the socket and the plug are plugged together, the guide cylinder 11 is inserted into the interior of the slot 4, and the second waterproof sealing ring 7 on the waterproof boss 6 is tightly matched with the inner wall of the mounting groove 10.

[0039] like Figure 3 , Figure 4 and Fig.11As shown, in this embodiment, the elastic clamping member 16 includes a base 1601 and a plurality of elastic sheets 1602 fixedly connected to the base 1601, the contact 17 is fixedly connected to one end of the elastic sheet 1602 away from the base 1601, the adjustment component 18 includes a movable plate 1801 sleeved on the outer surface of the elastic sheet 1602, the inner wall of the guide cylinder 11 is rotatably connected to a screw rod 1802, the screw rod 1802 passes through the movable plate 1801 and is fixedly connected to a knob 1803, the screw rod 1802 is threadedly connected to the movable plate 1801, and a movable protrusion 1804 in contact with the elastic sheet 1602 is installed on the movable plate 1801. When the power pin 14 is inserted When the elastic clip 16 is inserted into the interior of the elastic clip 16, the elastic sheet 1602 on the elastic clip 16 is elastically deformed around the root of the base 1601 during this process, and the contact 17 is in close contact with the power pin 14 through the restoring force of the elastic sheet 1602. When the power pin 14 is in loose contact with the elastic clip 16, the socket is separated from the plug, and then the locking nut 1806 is loosened, and then the knob 1803 is turned with a tool to drive the screw 1802 to rotate. The screw 1802 can drive the movable plate 1801 and the movable protrusion 1804 to move to the left during the rotation, and can be adjusted repeatedly to change the elastic deformation position of the elastic sheet 1602.

[0040] like Figure 3 , Figure 4 and Figure 8 As shown, in this embodiment, the movable plate 1801 is slidably connected to the inside of the guide cylinder 11, and a through hole 1805 corresponding to the communication jack 15 is opened on the upper side of the movable plate 1801. The outer surface of the screw rod 1802 and the front surface of the movable plate 1801 are threadedly connected with a locking nut 1806, and the rotation of the screw rod 1802 is fixed by the locking nut 1806 to prevent the screw rod 1802 from rotating at will.

[0041] like Figure 8-10 As shown, in this embodiment, two circular holes 1807 are provided on the movable plate 1801, and a plurality of cavities 1808 are provided inside the movable plate 1801 and along the circumference of the circular holes 1807. One end of the movable protrusion 1804 is located inside the cavity 1808 and is fixedly connected to a movable block 1809. A spring 1810 is installed between the movable block 1809 and the inner wall of the cavity 1808, so that the contact 17 can be better in close contact with the power pin 14 through the restoring force of the elastic sheet 1602 and the spring 1810.

[0042] like Figure 8 and Fig. 9As shown, in this embodiment, the fixing assembly 12 includes a fixing seat 1201 fixedly connected to the upper and lower sides of the plug housing 9, the fixing seat 1201 is elastically rotatably connected to a pressure plate 1202 inside, a card block 1203 is fixedly connected to the left side of the pressure plate 1202, and a card slot 1204 corresponding to the card block 1203 is opened on the upper and lower sides of the socket panel 2. The fixing seat 1201 has a U-shaped structure, and the front and rear sides of the pressure plate 1202 are fixedly connected to a pin shaft 1205. The pin shaft 120 The other end of 5 is rotatably connected to the inner wall of the fixing seat 1201, and the outer surface of the pin shaft 1205 is sleeved with a torsion spring 1206. When in use, the pressing plate 1202 is pressed to rotate around the pin shaft 1205 and compress the torsion spring 1206. After the socket and the plug are plugged in place, the pressing plate 1202 is released, and the restoring force of the torsion spring 1206 causes the pressing plate 1202 to rotate around the pin shaft 1205 and reset, so that the card block 1203 is carded in the card slot 1204 on the socket panel 2, thereby completing the locking of the socket and the plug.

[0043] The technical solution provided by the present invention is that when in use, the pressure plate 1202 is pressed to rotate around the pin shaft 1205 and compress the torsion spring 1206, and then the socket and the plug are plugged together. At this time, the guide boss 1101 cooperates with the guide groove 401 to prevent reverse insertion, so that the guide cylinder 11 is inserted into the interior of the slot 4, and the second waterproof sealing ring 7 on the waterproof boss 6 is tightly matched with the inner wall of the installation groove 10, until the communication pin 13 is inserted into the interior of the communication jack 15, and the power pin 14 is inserted into the interior of the elastic clip 16. During this process, the elastic sheet 1602 on the elastic clip 16 is elastically deformed around the root of the base 1601, and the contact 17 is closely contacted with the power pin 14 through the restoring force of the elastic sheet 1602. When the power pin 14 is in loose contact with the elastic clip 16, the socket and the plug are separated, and then the locking nut 1806 is loosened, and then the knob 18 is turned with a tool. 03 drives the screw rod 1802 to rotate. During the rotation, the screw rod 1802 can drive the movable plate 1801 and the movable protrusion 1804 to move to the left, thereby changing the elastic deformation position of the elastic sheet 1602. When the power pin 14 is inserted into the elastic clamp 16, the elastic sheet 1602 on the elastic clamp 16 is elastically deformed around the movable protrusion 1804. Through the restoring force of the elastic sheet 1602 and the spring 1810, the contact 17 is better in close contact with the power pin 14, thereby improving the service life of the power replacement connector. Finally, release the pressing plate 1202, and the restoring force of the torsion spring 1206 causes the pressing plate 1202 to rotate and reset around the pin shaft 1205, so that the block 1203 is clamped in the slot 1204 on the socket panel 2, completing the locking of the socket and the plug. At this time, the first waterproof sealing ring 5 on the right side of the connecting column 3 is in close contact with the inner wall of the mounting groove 10.

[0044] All technical features in this embodiment can be freely combined according to actual needs.

[0045] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention may also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A battery box replacement connector for a waterproof new energy electric vehicle, the battery box replacement connector comprising a socket and a plug matched therewith, the socket being provided with a male end plug assembly for contacting and matching with the female end jack assembly of the plug, characterized in that: The socket comprises a first wire (1), a socket panel (2) and a connecting column (3); a slot (4) is provided on the right side of the connecting column (3); the male plug assembly is arranged inside the slot (4); a first waterproof sealing ring (5) is installed on the right side of the connecting column (3); a waterproof boss (6) is fixedly connected to the outer surface of the right side of the connecting column (3); and a second waterproof sealing ring (7) is installed on the outer surface of the waterproof boss (6); The plug comprises a second wire (8) and a plug shell (9); a mounting groove (10) is provided on the left side of the plug shell (9); a guide cylinder (11) is fixedly connected to the inside of the mounting groove (10); the female end jack assembly is arranged inside the guide cylinder (11); fixing assemblies (12) are provided on both the upper and lower sides of the plug shell (9); the fixing assemblies (12) are used for fastening the plug shell (9) to the socket panel (2); The female end jack assembly comprises a plurality of communication jacks (15) and two elastic clamping parts (16) installed inside the guide cylinder (11), the interior of the elastic clamping parts (16) being fixedly connected with a contact (17), and an adjustment assembly (18) being arranged on the outside of the elastic clamping parts (16), and the adjustment assembly (18) being used to adjust the elasticity of the elastic clamping parts (16); The elastic clamping member (16) comprises a base (1601) and a plurality of elastic sheets (1602) fixedly connected to the base (1601); the contact (17) is fixedly connected to one end of the elastic sheet (1602) away from the base (1601); the adjustment assembly (18) comprises a movable plate (1801) sleeved on the outer surface of the elastic sheet (1602); the inner wall of the guide cylinder (11) is rotatably connected to a screw rod (1802); the screw rod (1802) passes through the movable plate (1801) and is fixedly connected to a knob (1803); the screw rod (1802) is threadedly connected to the movable plate (1801); and a movable protrusion (1804) in contact with the elastic sheet (1602) is installed on the movable plate (1801).

2. The battery box replacement connector of the waterproof new energy electric vehicle according to claim 1 is characterized in that: The male end plug assembly comprises a plurality of communication pins (13) and two power pins (14) installed inside the slot (4); the communication pins (13) and the power pins (14) are both electrically connected to the first wire (1).

3. The battery box replacement connector of the waterproof new energy electric vehicle according to claim 1 is characterized in that: A guide boss (1101) is fixedly connected to the upper surface of the guide cylinder (11), and a guide groove (401) adapted to the guide boss (1101) is formed on the inner top wall of the slot (4).

4. The battery box replacement connector of the waterproof new energy electric vehicle according to claim 3 is characterized in that: The outer surface of the waterproof boss (6) is the same size as the inner wall of the mounting groove (10), and the outer surface of the guide cylinder (11) is the same size as the inner wall of the slot (4).

5. The battery box replacement connector of the waterproof new energy electric vehicle according to claim 1, characterized in that: The movable plate (1801) is slidably connected to the inside of the guide cylinder (11); a through hole (1805) corresponding to the communication jack (15) is provided on the upper side of the movable plate (1801); a locking nut (1806) is threadedly connected to the outer surface of the screw rod (1802) and located on the front side of the movable plate (1801).

6. The battery box replacement connector of the waterproof new energy electric vehicle according to claim 1, characterized in that: The movable plate (1801) is provided with two circular holes (1807), a plurality of cavities (1808) are provided inside the movable plate (1801) and along the circumference of the circular holes (1807), one end of the movable protrusion (1804) is located inside the cavity (1808) and is fixedly connected to a movable block (1809), and a spring (1810) is installed between the movable block (1809) and the inner wall of the cavity (1808).

7. The battery box replacement connector of the waterproof new energy electric vehicle according to claim 1, characterized in that: The fixing assembly (12) comprises a fixing seat (1201) fixedly connected to the upper and lower sides of the plug housing (9); a pressure plate (1202) is elastically rotatably connected inside the fixing seat (1201); a card block (1203) is fixedly connected to the left side of the pressure plate (1202); and card slots (1204) corresponding to the card block (1203) are provided on the upper and lower sides of the socket panel (2).

8. The battery box replacement connector of the waterproof new energy electric vehicle according to claim 7 is characterized in that: The fixing seat (1201) has a U-shaped structure, and the front and rear sides of the pressure plate (1202) are fixedly connected with a pin shaft (1205), the other end of the pin shaft (1205) is rotatably connected to the inner wall of the fixing seat (1201), and the outer surface of the pin shaft (1205) is sleeved with a torsion spring (1206).

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