CN204992064U - Batteries of electric vehicle connection socket - Google Patents

Abstract

The utility model relates to a battery connection socket for an electric vehicle, comprising a panel, a base fixing seat, a front base, a rear base, a back plate and a pin cover, the base fixing seat is provided with a through cavity, and the two sides of the cavity There are two axially arranged guide posts, the front base and the rear base are respectively installed at the front and rear of the cavity, the rear base is provided with through holes for pin sleeve installation, and the front base is provided with pin sleeves to accommodate Through hole, the pin sleeve is installed in the pin sleeve installation through hole and extends into the pin sleeve receiving through hole, the outer periphery of the base fixing seat has a radially protruding mounting plate, the panel and the back plate are connected, and the mounting plate It is arranged between the panel and the back panel, four tension springs are connected between the side of the mounting plate and the panel, and the front end and the rear end of the base fixing seat respectively protrude from the panel and the back panel. The utility model is firmly connected, each pin sleeve is insulated from each other, has good waterproof and dustproof effects, and improves safety and reliability.

Description

An electric vehicle battery connection socket

technical field

The utility model relates to the field of manufacturing electric vehicle battery components, in particular to an electric vehicle battery connection socket.

Background technique

In order to achieve the purpose of energy saving and emission reduction, the development of electric vehicles is relatively rapid at present. The power of electric vehicles is provided by lithium-ion battery packs. The packages are connected in series and parallel and installed in the battery box, and then the battery box is installed on the electric vehicle, and the electrical signal connector on the battery box is plugged with the electrical signal connector on the electric vehicle. At present, the structure of electrical signal connectors used in electric vehicle battery components is relatively common, and there are certain deficiencies in connection firmness, sealing and safety, etc., which affect the service life of electrical signal connectors and battery components, and also affect the life of electric vehicles. reliability.

Contents of the invention

The utility model mainly solves the problem that the electric signal connectors of the electric vehicle battery components are relatively common in structure, and there are certain deficiencies in connection firmness, sealing and safety, etc., which affect the service life of the electrical signal connectors and battery components. Technical issues that affect the reliability of electric vehicles; provide a battery connection socket for electric vehicles, which has an ingenious structure and firm connection, and each pin sleeve is insulated from each other to improve safety and reliability, thereby extending electrical signal connectors and sockets. The service life of battery components also improves the reliability of electric vehicles.

The utility model also solves the problem that the installation positions of the pins and pin sleeves of the electric signal connectors of the original electric vehicle battery components are generally fixed, and it is easy for the pins of the plug and the pin sleeves of the socket to be slightly misaligned, resulting in The socket and pins cannot be connected smoothly, and there are technical problems such as rigid positioning, inflexibility, and inconvenient use; provide a battery connection socket for electric vehicles, the installation position of the pin cover is not fixed, and can be fine-tuned, even if the plug The pins of the socket and the pin sleeves of the socket are slightly misaligned, and the pin sleeves on the socket and the pins on the plug can be smoothly and accurately connected through fine-tuning. It is flexible to use, convenient and reliable to connect.

The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions: the utility model comprises a panel, a base fixing seat, a front base, a rear base, a back plate and several pin sleeves, the base The middle of the fixed seat is provided with a cavity axially arranged and connected to the base fixed seat. The front base and the rear base are installed on the front and rear of the cavity respectively, and the rear The base is provided with pin sleeve installation through holes, and the front base is provided with pin sleeve receiving through holes corresponding to the described pin sleeve installation through holes, and the described pin sleeves are installed one by one. In the pin sleeve installation through hole, and the front end of the pin sleeve extends into the front base and is located in the pin sleeve receiving through hole, the outer periphery of the base fixing seat is provided with A radially protruding mounting plate, the panel is connected to the back plate, the mounting plate is arranged between the panel and the back plate, the front end and the rear end of the base fixing seat respectively protrude from the panel and the back plate. When in use, the panel faces the plug that matches the socket, the pin cover is plugged with the pins of the plug, and the pin cover on the side of the back panel is connected with the wire harness. The utility model has ingenious structure, firm connection, the pin sleeves are not exposed outside, they are all located in the receiving through holes of the pin sleeves, and each pin sleeve is insulated from each other, avoiding abnormal contact and short circuit, and greatly improving the safety of use sex and reliability.

Preferably, the base fixing seat is provided with two axially arranged guide columns, and the two guide columns are located on both sides of the front base and the rear base. When the socket and the plug are connected, the plug has a guide sleeve matching the guide column on the socket, the guide column extends into the guide sleeve, and the pin cover on the socket is inserted into the pin of the plug. The guide sleeve and the guide post play the role of guiding and positioning, making the insertion more accurate, and at the same time improving the firmness of the connection between the plug and the socket, ensuring that the electric vehicle is not easily detached due to vibration during driving.

Preferably, the front plane of the front base is provided with several pin sleeve protective sleeves, and the pin sleeve protective sleeves are correspondingly arranged at the openings of the pin sleeve receiving through holes one by one. The pin cover extends into the pin cover receiving through hole on the front base and is located in the pin cover protective cover, which is convenient for the pin cover on the socket and the pins on the plug to be mated, and is convenient for the guide column on the socket and the plug The guide sleeves on the top are plugged together.

As a preference, a hexagonal frame is provided on the front of the mounting plate of the base fixing seat to form the front end of the base fixing seat, and the pin cover protective cover and the guide post are located in the frame surrounded by a hexagonal frame. In the cavity; the back of the mounting plate of the base fixing seat is provided with a waist-shaped surrounding edge, the shape of the surrounding edge is consistent with the shape of the cavity in the base fixing seat and the surrounding edge is set in the hollow The mouth of the cavity, the rear end of the guide column is arranged in the concave part of the waist-shaped structure around the edge. The structure is ingenious and the layout is reasonable. When the socket and the plug are plugged together, the surrounding frame is buckled on the outer periphery of the plug housing to ensure that the connection between the two is firmer and not easy to loosen.

Preferably, the surrounding frame is provided with a sealing ring which is in close contact with the inner wall of the surrounding frame, and the sealing ring is adjacent to the mounting plate. When the socket and plug are connected, the sealing ring and the shell of the plug are closely connected, which not only plays a fastening role between the two, but also plays a good waterproof and dustproof effect.

As a preference, each of the four corners of the panel is connected to a tension spring mounting column perpendicular to the panel, the other end of the tension spring mounting column is connected to the back plate, and the side of the mounting plate is connected to four Two extension springs, the other end of the extension spring is sleeved on the extension spring installation column, and the four extension springs are symmetrically arranged in pairs with the axis of the mounting plate as the axis of symmetry. In this technical solution, the base fixing seat is not fixedly connected with the panel and the back plate, and the mounting plate on the base fixing seat is relatively fixedly limited in the cavity surrounded by the panel and the back plate due to the action of the tension spring. middle. Since the tension spring can be stretched, the up and down, left and right, and front and rear positions of the base fixing seat can be fine-tuned according to needs, and the use is very flexible. Therefore, even if the pins of the plug and the pin sleeves of the socket are slightly misaligned, it can be adjusted through fine-tuning. The pin cover on the socket and the pin on the plug are smoothly and accurately connected to ensure that the connection between the two is more convenient and reliable.

As a preference, the rear end of the front base is provided with a circle of radially protruding positioning bosses, the shoulders formed by the positioning bosses face forward, and the outer periphery of the rear base is provided with a circle of steps, the steps formed The shoulder faces backwards, and a circle of positioning shoulders is provided in the cavity of the base fixing seat, the positioning boss of the front base is offset against the positioning shoulder in the cavity, and the front plane of the rear base and the front base close to the rear plane of the base holder, the rear end of the base holder is provided with an annular base holder plate, the inner edge of the base holder plate protrudes from the cavity of the base holder and is pressed against the rear base on the steps of the seat. When installing, first install the front base from the rear end of the base fixing seat, the positioning boss of the front base and the positioning shoulder in the cavity are offset, and then install the rear base from the rear end of the base fixing seat, Make the front plane of the rear base close to the rear plane of the front base, and then install the base fixing plate on the back plane of the base fixing seat, and the base fixing plate presses the steps of the rear base to complete the front base and Fixing of the rear base. Easy to install and maintain.

As a preference, the left and right sides of the front base and the rear base are arc-shaped and concave, forming a waist-shaped structure of the front base and the rear base, and the pin sleeves of the front base accommodate through holes There are six, four of which are large holes, and the remaining two are small holes. Two small holes and one large hole form a group, and the two small holes and one large hole are distributed in an isosceles triangle structure, and the large hole is located at The top corner of the isosceles triangle, the two sets of pin sleeve receiving through holes are symmetrically located at the two ends of the waist structure of the front base; there are six pin sleeve installation through holes of the rear base, four of which are large holes, and the remaining two are small holes; there are six pin sleeves, four of which are thin pin sleeves, and the remaining two pin sleeves are thick pin sleeves, and the thin pin sleeves are located in the In the small hole, the thick pin is sleeved in the large hole. The technical scheme constitutes a six-core socket, four thin pin sleeves are connected to the communication signal line, and two thick pin sleeves are connected to the positive and negative poles of the electric vehicle engine, which are power supply input pin sleeves. The layout of the pin sleeve is reasonable, the structure is stable, and the appearance of the socket is beautiful.

Preferably, the rear plane of the rear base is provided with two protruding rings, and the two protruding rings are respectively provided at the openings of the two large holes in the through holes for installing the pin sleeves. The two thick pin sleeves are longer than the thin pin sleeves, and the protruding rings ensure that they can completely surround the thick pin sleeves, thereby improving safety and reliability.

As a preference, the rear end of the base fixing seat is provided with a wire harness protection plate, and the wire harness protection plate is provided with two through holes with circles, and the rear ends of the two thick pin sleeves are connected with hexagon nuts , the rear end of the hex nut is embedded in the through hole of the wire harness protective plate, and an annular gasket is provided between the circle on the through hole of the wire harness protective plate and the pin sleeve installation through hole of the rear base, and the wire harness The rear plane of the protective plate is provided with three partitions parallel to each other, the middle partition is arranged between the two through holes of the wire harness protective plate, and the remaining two partitions are respectively arranged outside the two through holes of the wire harness protective plate. The shape of the pin sleeve can be changed according to the needs of connecting the wiring harness on the electric vehicle. The connection method of the electric vehicle connecting wire harness in this technical solution is as follows: the connecting wire harness is wound on the pin sleeve, and then a hexagonal nut is screwed on the tail of the pin sleeve. Due to the relatively large size of the hexagonal nut, the risk of abnormal contact is increased, and the setting of the wire harness shield effectively avoids this risk. The partition in the middle plays the role of isolating the positive and negative poles to avoid short circuit due to abnormal contact between the two. The partitions on both sides protect the positive and negative poles of the output and prevent other objects from abnormally touching the two. Improve safety and reliability. When the pin sleeve adopts other shapes, the connecting wire harness and the pin sleeve are connected in other ways, and the wire harness protective plate, hexagon nut and ring seal can be unnecessary.

The beneficial effects of the utility model are: ingenious structure, firm connection, convenient installation and maintenance, the installation position of the pin cover can be fine-tuned, even if the pins of the plug and the pin cover of the socket are slightly misaligned, the socket can be adjusted by fine-tuning. The pin sleeves on the plug and the pins on the plug are smoothly and accurately docked, flexible to use, convenient and reliable to connect, and each pin sleeve is insulated from each other, and the pin sleeves, pin sleeves and other objects There will be no abnormal contact between them, which improves safety and reliability, and has good waterproof and dustproof effects, thereby prolonging the service life of sockets and battery components and improving the reliability of electric vehicles.

Description of drawings

Fig. 1 is a kind of three-dimensional structure schematic diagram of the front of the utility model.

Fig. 2 is a schematic diagram of a three-dimensional structure of the back of the utility model.

Fig. 3 is a schematic structural diagram of a front view of the back of the utility model.

Fig. 4 is a partially enlarged structural schematic diagram of the installation position of the tension spring in the utility model.

Fig. 5 is a three-dimensional exploded schematic diagram of the utility model facing upward.

Fig. 6 is a three-dimensional exploded schematic diagram of the utility model with its back facing upward.

In the figure 1. Panel, 2. Base fixing seat, 3. Front base, 4. Rear base, 5. Back panel, 6. Pin sleeve, 7. Pin sleeve installation through hole, 8. Pin sleeve Accommodating through holes, 9. Mounting plate, 10. Guide post, 11. Pin sleeve protective cover, 12. Surrounding frame, 13. Surrounding edge, 14. Sealing ring, 15. Tension spring mounting post, 16. Tension spring, 17 .Positioning boss, 18. Step, 19. Base fixing plate, 20. Protruding ring, 21. Harness protection plate, 22. Hex nut, 23. Ring gasket, 24. Partition plate.

detailed description

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment 1: An electric vehicle battery connection socket of this embodiment, as shown in Figure 1 and Figure 2, includes a panel 1, a base holder 2, a front base 3, a rear base 4, a back plate 5 and six 6 pin sets. In the middle of the base fixing seat 2, there is a cavity axially arranged and connected to the base fixing seat 2. The cavity is waist-shaped, and the left and right sides of the cavity are radially inwardly convex arc surfaces. The outer periphery of 2 has a radially protruding mounting plate 9, as shown in Figure 5, a hexagonal enclosure 12 is arranged on the front of the mounting plate 9, forming the front end of the base holder 2, and the back side of the mounting plate 9 has A surrounding edge 13 in a waist-shaped structure, the shape of the surrounding edge 13 is consistent with the shape of the cavity in the base holder 2 and the surrounding edge 13 surrounds the opening of the cavity. There is a border on the back of the panel 1, and a cavity is formed between the panel 1 and the back panel 5 after they are connected, and the mounting plate 9 is surrounded by the panel and the back panel in the cavity. Protrude from the panel 1 and the back panel 5 respectively. As shown in Figure 4, Figure 5 and Figure 6, the four corners of the panel 1 are respectively connected with a tension spring mounting column 15 perpendicular to the panel 1, and the other end of the tension spring mounting column 15 is connected with the back plate 5, and the mounting plate The side of 9 is connected with four extension springs 16, and the other end of extension spring 16 is enclosed within on the extension spring mounting post 15, and four extension springs 16 are symmetrically arranged in pairs with the axis of mounting plate 9 as the axis of symmetry. The front base 3 and the rear base 4 are respectively installed on the front and the rear of the cavity of the base holder 2, and the rear end of the front base 3 has a circle of radially protruding positioning bosses 17, and the positioning bosses 17 The formed shoulder is forward, and there is a circle of steps 18 on the periphery of the rear base 4, and the shoulder formed by the step 18 faces backwards, and a circle of positioning shoulders is arranged in the cavity of the base holder 2, and the positioning boss of the front base 3 17 and the positioning shoulder in the cavity, the front plane of the rear base 4 and the rear plane of the front base 3 are close to each other, and an annular base fixing plate 19 is installed on the periphery of the rear end of the base fixing seat 2, The inner edge of the base fixing plate 19 protrudes from the cavity of the base fixing seat 2 and presses on the step 18 of the rear base 4, so that the front base and the rear base are fixed in the base fixing seat. The rear base 4 has pin sleeve installation through holes 7, the front base 3 has pin sleeve receiving through holes 8 corresponding to the pin sleeve installation through holes 7, and the front plane of the front base 3 has six pin sleeves. The needle cover protective cover 11 and the pin cover protective cover 11 surround the opening of the pin cover receiving through hole 8 one by one, and the pin cover 6 is installed in the pin cover installation through hole 7 one by one, and the insertion The front end of the needle cover 6 passes through the pin cover receiving through hole of the front base 3 and is located in the pin cover protective cover 11 . The left and right sides of the front base 3 and the rear base 4 are curved and concave, forming the waist structure of the front base 3 and the rear base 4. There are six through holes 8 for the pin sleeves of the front base 3 , four of which are large holes, and the remaining two are small holes, two small holes and one large hole form a group, and the two small holes and one large hole are distributed into an isosceles triangle structure, and the large hole is located in the isosceles triangle The two sets of pin sleeve receiving through holes 8 are symmetrically located at the two ends of the waist structure of the front base 3; there are six pin sleeve mounting through holes 7 on the rear base 4, four of which are large holes , the remaining two are small holes; there are six pin sleeves 6, four of which are thin pin sleeves, and the remaining two pin sleeves 6 are thick pin sleeves, and the thin pin sleeves are set in the small holes , the thick pin fits in the big hole. There are two protruding rings 20 on the rear plane of the rear base 4, and the two protruding rings 20 respectively surround the openings of the two large holes in the through holes 7 for installing the pin sleeves. There are also two axially arranged guide posts 10 on the base holder 2, the two guide posts 10 are located on both sides of the front base 3 and the rear base 4, and the pin sleeve protective sleeve 11 and the guide post 10 are located on the base In the cavity surrounded by the surrounding frame 12 of the fixing seat, the rear end of the guide column 10 is located in the concave part of the waist-shaped structure of the surrounding edge 13 of the fixing seat of the base. The surrounding frame 12 is embedded with a sealing ring 14 which is in close contact with the inner wall of the surrounding frame 12 , and the sealing ring 14 is in close contact with the mounting plate 9 .

When in use, the rear end of the pin sleeve is connected to the connecting wire harness on the electric vehicle, four thin pin sleeves are connected to the signal line, and two thick pin sleeves are connected to the positive and negative poles of the electric vehicle engine, which are power input terminals. The panel faces the plug that matches the socket, the pin sleeve is connected with the pin of the plug, the guide post is connected with the guide sleeve of the plug, the frame of the base fixing seat is buckled on the outer periphery of the plug housing, the sealing ring and the plug The shell is tightly connected, which not only plays a fastening role between the two, but also plays a good waterproof and dustproof effect. Since the tension spring can be stretched, the up and down, left and right, and front and rear positions of the base fixing seat can be fine-tuned according to needs, and the use is very flexible. Therefore, even if the pins of the plug and the pin sleeves of the socket are slightly misaligned, it can be adjusted through fine-tuning. The pin cover on the socket and the pin on the plug are smoothly and accurately connected to ensure that the connection between the two is more convenient and reliable. The utility model has ingenious structure and firm connection. The pin sleeves are not exposed outside and are all located in the pin sleeve protective cover. The pin sleeves are insulated from each other to avoid abnormal contact and short circuit, and improve safety and reliability. Extending the service life of sockets, plugs and battery components also improves the reliability of electric vehicles.

Embodiment 2: An electric vehicle battery connection socket in this embodiment, a wire harness shield 21 is installed on the base fixing plate 19, and the front plane of the wire harness shield 21 has four supporting feet, and the four supporting feet are fixed to the base The board is fixed, and the wire harness protective plate 21 has two through holes with a circle. The circle protrudes from the front plane of the base fixing seat. The rear ends of the two thick pin sleeves are connected with hexagon nuts 22. The hexagon nuts 22 The rear end is embedded in the through hole of the wire harness protective plate 21, and the circle on the through hole of the wire harness protective plate 21 is offset against the two protruding rings 20 of the rear base 4, and a hexagonal Ring gasket 23. As shown in Figure 2 and Figure 3, the rear plane of the wire harness shield 21 is vertically connected with three partitions 24 parallel to each other, the middle partition 24 blocks between the two through holes of the wire harness shield 21, and the remaining two partitions The plates 24 respectively block the outer sides of the two through holes of the wire harness protective plate 21 , and the outer surfaces of the two partition plates are respectively connected with three triangular reinforcing support plates. All the other structures are with embodiment 1.

In this embodiment, the connecting wire harness of the electric vehicle is connected in the following manner: the connecting wire harness is wound on the pin sleeve, and then a hex nut is screwed on the tail of the pin sleeve. Due to the relatively large size of the hexagonal nut, the risk of abnormal contact is increased, and the setting of the wire harness shield effectively avoids this risk. The partition in the middle plays the role of isolating the positive and negative poles to avoid short circuit due to abnormal contact between the two. The partitions on both sides protect the positive and negative poles of the output and prevent other objects from abnormally touching the two. Improve safety and reliability.

Claims (8)

1. An electric vehicle battery connection socket, characterized in that it includes a panel (1), a base holder (2), a front base (3), a rear base (4), a back plate (5) and several pins Cover (6), the middle of the base fixing seat (2) is provided with a cavity axially arranged and penetrated through the base fixing seat (2), the front base (3), the rear base (4) Installed on the front and rear of the cavity respectively, the rear base (4) is provided with pin sleeve installation through holes (7), and the front base (3) is provided with The pin sleeve receiving through hole (8) corresponding to the pin sleeve installation through hole (7), the pin sleeve (6) is installed in the pin sleeve installation through hole one by one (7), and the front end of the pin cover (6) extends into the front base (3) and is located in the pin cover receiving through hole (8), and the base fixing seat (2 ) is provided with a radially protruding mounting plate (9), the panel (1) is connected to the back plate (5), and the mounting plate (9) is located between the panel (1) and the back plate (5) , the front end and the rear end of the base fixing seat (2) protrude from the panel (1) and the back panel (5) respectively. 2. A battery connection socket for electric vehicles according to claim 1, characterized in that the base fixing seat (2) is provided with two axially arranged guide posts (10), and the two guide posts (10 ) are located on both sides of the front base (3) and the rear base (4). 3. A battery connection socket for an electric vehicle according to claim 2, characterized in that the front plane of the front base (3) is provided with several pin sleeve protective sleeves (11), and the pin sleeve protective sleeves ( 11) Correspondingly set at the openings of the pin sleeve receiving through holes (8). 4. A battery connection socket for electric vehicles according to claim 3, characterized in that the front of the mounting plate (9) of the base fixing seat (2) is provided with a hexagonal surrounding frame (12 ), constituting the front end of the base fixing seat (2), the pin cover protective cover (11) and the guide column (10) are located in the cavity surrounded by the frame (12); the base fixing seat ( 2) The back of the mounting plate (9) is provided with a waist-shaped skirt (13), the shape of the skirt (13) is consistent with the shape of the cavity in the base holder (2) and the skirt (13) is arranged at the mouth of the cavity, and the rear end of the guide post (10) is arranged in the recess of the waist-shaped structure of the surrounding edge (13). 5. A battery connection socket for an electric vehicle according to claim 4, characterized in that a sealing ring (14) that is in close contact with the inner wall of the surrounding frame (12) is provided in the surrounding frame (12) to seal The ring (14) is next to said mounting plate (9). 6. An electric vehicle battery connection socket according to claim 1 or 2 or 3 or 4 or 5, characterized in that each of the four corners of the panel (1) is connected to a socket perpendicular to the panel (1). The extension spring installation column (15), the other end of the extension spring installation column (15) links to each other with the described backboard (5), and the side of the described installation plate (9) is connected with four extension springs (16), The other end of extension spring (16) is sleeved on the described extension spring mounting post (15), and four extension springs (16) are symmetrically arranged in pairs with the axis of mounting plate (9) as the axis of symmetry. 7. A battery connection socket for electric vehicles according to claim 1 or 2 or 3 or 4 or 5, characterized in that the left and right sides of the front base (3) and the rear base (4) are in the shape of The arc is concave, forming the waist-shaped structure of the front base (3) and the rear base (4). There are six through-holes (8) for the pin sleeves of the front base (3), four of which are is a large hole, and the other two are small holes, two small holes and one large hole form a group, and the two small holes and one large hole are distributed into an isosceles triangle structure, and the large hole is located at the vertex of the isosceles triangle, The two sets of pin sleeve receiving through holes (8) are symmetrically located at both ends of the waist-shaped structure of the front base (3); the pin sleeve installation through holes (7) of the rear base (4) have six , four of which are large holes, and the remaining two are small holes; there are six pin sleeves (6), of which four pin sleeves (6) are thin pin sleeves, and the remaining two pin sleeves ( 6) It is a thick pin sleeve, the thin pin sleeve is set in the small hole, and the thick pin sleeve is set in the large hole. 8. A battery connection socket for electric vehicles according to claim 7, characterized in that the rear end of the base holder (2) is provided with a wire harness protection plate (21), and the wire harness protection plate (21) is provided with Two through holes with circles, the rear ends of the two thick pin sleeves are connected with hex nuts (22), and the rear ends of the hex nuts (22) are embedded in the through holes of the wire harness protection plate (21) Among them, an annular gasket (23) is provided between the circle on the through hole of the wire harness protection plate (21) and the pin sleeve installation through hole (7) of the rear base (4), and the wire harness protection plate ( 21) The rear plane is provided with three parallel partitions (24), the middle partition (24) is set between the two through holes of the wire harness protective plate (21), and the remaining two partitions (24) are respectively set Outside the two through holes of the harness shield(21).