CN218548952U - Socket and connector - Google Patents

Abstract

An embodiment of the present disclosure provides a socket and a connector, which are applied to a moving body, the socket including: the bottom plate is suitable for being fixedly connected with the moving body; a floating socket for connecting a power plug and a terminal of an electric device; the bottom plate elastically supports the floating socket, a plurality of sleeve bodies are arranged on the side part of the floating socket, and a first fastener hole is formed in each sleeve body and is suitable for a fastener to penetrate through to be connected with the bottom plate; a gap is formed between the fastener and the first fastener hole; the end of the first fastener hole includes a chamfered mouth having a first chamfered structure to receive a second chamfered structure of the head of the fastener with a gap therebetween. The socket and the connector provided by the embodiment of the disclosure have simple structures, save space and can meet the requirement of accurate alignment during installation and replacement of the battery on the moving body.

Description

Socket and connector

Technical Field

The present disclosure relates to the field of electrical connection technologies, and in particular, to a socket and a connector.

Background

The connector is used for electrically connecting the power supply terminal with the power utilization terminal so as to transmit current or signals. Connectors typically include a plug and a receptacle that mate with each other. With the development of new energy technologies and the electric vehicle industry, the yield and demand of electric vehicles have increased year by year, and connectors need to be configured in the electric vehicles to ensure that the batteries supply power to the vehicles.

The connector that different electric motor cars used is different, for example the connector of installation on electric heavy-duty vehicle, because heavy-duty vehicle is bulky, and the power consumption is also great, and the great weight of battery volume is heavier, often reaches the weight about 2 tons. The battery is connected with the plug of the connector, and the socket of the connector is arranged on the frame. When battery power uses totally, need to change the battery, when changing the battery, the plug of battery side is difficult once accurate counterpoint with the socket of car frame side, consequently reserves certain float volume in order to adjust in needs to plug and socket can pass through the accurate counterpoint of connector when guaranteeing to change the battery, in order to accomplish the battery and change, guarantees that battery current stably carries the heavy-duty car.

The connector that electronic heavy-duty car used, including floating shell and fixed casing usually, be equipped with the unsteady of four circumference springs assurance connector in the floating shell outside, be equipped with four vertical springs simultaneously and guarantee vertically to float, because the floating shell outside is located to the spring to still need the shell to cover the spring and with sealed waterproof, increased the volume of connector on the whole, need reserve sufficient space when using and hold the connector, and the connector structure is comparatively complicated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the existing floating connector is complex in structure and large in volume, an embodiment of the present disclosure provides a socket, which is suitable for being applied to a moving body, and includes: the bottom plate is suitable for being fixedly connected with the moving body; a floating socket for connecting a power plug and a terminal of an electric device; the bottom plate elastically supports the floating socket, a plurality of sleeve bodies are arranged on the side part of the floating socket, and a first fastener hole is formed in each sleeve body and is suitable for a fastener to penetrate through to be connected with the bottom plate; a gap is formed between the fastener and the first fastener hole; the end of the first fastener hole includes a chamfered mouth having a first chamfered structure to receive a second chamfered structure of the fastener head with a gap therebetween.

In some embodiments, the base plate elastically supports the floating socket by a first elastic member, the first elastic member including: the first end is fixedly connected with the bottom plate; the fastener is suitable for penetrating through the first elastic piece and the tail part of the fastener is fixed on the bottom plate.

In some embodiments, the first elastic member includes a second end, the socket includes a gasket located between the sheath body and the first elastic member, and the second end of the first elastic member is adapted to support the sheath body through the gasket; the gasket is provided with a second fastener hole corresponding to the position of the first fastener hole in the sleeve body, so that the fastener can penetrate through the second fastener hole and the first fastener hole.

In some embodiments, the socket is further provided with a plurality of sets of elastic components, the bottom of each elastic component is abutted with the corresponding gasket, and the elastic components are suitable for reducing the friction force between the floating socket and the corresponding gasket during the movement of the floating socket relative to the base plate.

In some embodiments, each set of said elastic elements comprises: the gasket comprises a second elastic piece and a ball fixed at one end of the second elastic piece, wherein the ball is suitable for abutting against the gasket, and the other end of the second elastic piece is fixedly connected to the sleeve body.

In some embodiments, the periphery of the first fastener hole is provided with a plurality of elastic cavities for respectively accommodating the elastic components.

In some embodiments, the second chamfer formation of the head of the fastener is in the shape of an inverted cone.

In some embodiments, the floating receptacle is provided with guide sleeves on its sides adapted to cooperate with guide pins of a plug for positioning when the plug is electrically connected to the receptacle.

In some embodiments, the floating receptacle includes a first mating portion adapted to receive a power terminal and a second mating portion adapted to receive a power terminal, the first and second mating portions being integrally connected; the first matching part is cylindrical in outline, and the sleeve body is arranged on the outer wall of the first matching part.

In some embodiments, the second mating portion includes a plurality of receptacles adapted to receive the power terminals, the receptacles having seals disposed therein.

In some embodiments, an end cover is disposed at one end of the plurality of insertion holes close to the bottom plate, and the end cover is provided with a plurality of holes, and the shape of the plurality of holes is matched with the shape of the insertion holes of the second matching part.

In some embodiments, a plurality of the sleeves are uniformly arranged.

Embodiments of the present disclosure also provide a connector, including the socket of any one of the preceding claims, further including a plug adapted to be inserted into the socket when electrically connected; the plug comprises a plug main body which is suitable for being inserted into the socket when the plug is plugged into the socket, and a sealing element is arranged on the outer side of the plug main body and is suitable for sealing and preventing water after the plug is plugged into and matched with the socket.

In some embodiments, the plug further comprises: terminal fixed part, with grafting main part body coupling includes: a plurality of terminal receptacles adapted to receive power terminals, said terminal receptacles having seals therein; the battery is characterized in that end covers are arranged at one ends, close to the battery, of the terminal jacks, a plurality of holes are formed in the end covers, and the shapes of the holes are matched with those of the terminal jacks.

In some embodiments, the plug further comprises guide pins, provided on the outer side of the plug body of the plug, adapted to cooperate with guide sleeves of the socket to define the mutual position of the plug and the socket when the plug is in plugging cooperation with the socket.

Compared with the prior art, the technical scheme of the embodiment of the disclosure has the following beneficial effects:

the side part of the floating socket in the embodiment of the disclosure is provided with a plurality of sleeve bodies, each sleeve body is internally provided with a first fastener hole, a fastener is suitable for penetrating through and connecting with the bottom plate, the end part of each first fastener hole comprises a chamfer opening, and each chamfer opening is provided with a first chamfer structure and a second chamfer structure which is suitable for accommodating the head part of the fastener; a gap is formed between the first chamfer structure and the second chamfer structure, and a gap is formed between the first fastener hole and the fastener, and the gap provides a space for the floating socket to move relative to the fastener.

The socket that this disclosed embodiment provided includes bottom plate and unsteady socket, the bottom plate passes through first elastic component elastic support the socket that floats, the first end of first elastic component with bottom plate fixed connection, the second end of first elastic component passes through the gasket and supports the cover body makes in order to provide the floating space through the flexible of first elastic component the socket that floats relative institute bottom displacement.

The socket in the embodiment of the disclosure is further provided with a plurality of groups of elastic assemblies, each group of elastic assemblies comprises a second elastic part and a ball fixed at one end of the second elastic part, the other end of the second elastic part is fixed on the sleeve body, the ball is abutted against the gasket, and friction force between the sleeve body and the gasket generated in the floating process can be reduced through the arrangement of the elastic assemblies.

The socket in the embodiment of the disclosure realizes the floating function through the cooperation of the second chamfer structure of the fastener of the first elastic part and the first chamfer structure in the cover body of the floating socket, only four first elastic parts are needed, and the shell is not needed to be arranged, and the outline of the first matching part is cylindrical, the cover body and the guide sleeve are arranged on the outer cylindrical wall, and the outline of the bottom plate is rectangular, compared with the design of eight springs and two shells in the prior art, the embodiment of the disclosure provides a simpler socket structure and saves more space.

Drawings

Other features and advantages of the present disclosure will be better understood by the following detailed description of alternative embodiments, taken in conjunction with the accompanying drawings, in which like characters represent the same or similar parts, and in which:

fig. 1 shows a schematic cross-sectional structure of a socket according to an embodiment of the present disclosure;

FIG. 2 shows a schematic structural diagram of a spring assembly according to an embodiment of the present disclosure;

fig. 3 shows a perspective view of a receptacle according to an embodiment of the present disclosure;

FIG. 4 shows a schematic structural view of an end cap according to an embodiment of the disclosure;

fig. 5 shows a perspective view of a connector according to an embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present disclosure, and are not to be construed as limiting the present disclosure.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. In the description of the present disclosure, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present disclosure and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present disclosure.

The moving body such as an electric automobile uses a battery as a power source, when the electric quantity of the battery is used up, the automobile can be stopped for charging, the battery can also be replaced, and the replaced battery is charged again. Electric or hybrid heavy-duty vehicles are increasingly popular, heavy-duty vehicles are used for transportation, and replacement of batteries can guarantee transportation efficiency compared with parking and charging. The electric or hybrid heavy-duty vehicle has the advantages that the size and the weight are both large, the battery is large in size and the weight is about 2 tons, the vehicle is difficult to be directly and accurately aligned with the vehicle frame in the battery replacement process, the vehicle frame and the battery are electrically connected through the connector, meanwhile, the connector has a floating function, and the battery has a floating space in the installation process to find an accurate installation position.

In order to meet the requirements for installation and replacement of a battery of a moving body, especially a heavy-duty vehicle, embodiments of the present disclosure provide a socket and a connector, which are suitable for being applied to the moving body, and the socket is described in detail below with reference to fig. 1 to 4.

Referring to fig. 1, fig. 1 shows a schematic cross-sectional structure of a socket according to an embodiment of the present disclosure. The socket 1 includes a floating socket 11 and a bottom plate 12, the bottom plate 12 is adapted to be fixedly connected with a moving body, the floating socket 11 is used for connecting a power plug with a terminal of an electric device, and the floating socket 11 is elastically supported by the bottom plate 12.

The floating socket 11 is provided with a plurality of sleeve bodies 15 at the side part, the sleeve bodies 15 are suitable for being fixedly connected with the floating socket 11, each sleeve body 15 is provided with a first fastener hole 151, a fastener 13 is suitable for being connected with the bottom plate 12 through the first fastener hole 151, and a gap is formed between the fastener 13 and the first fastener hole 151, so that the fastener 13 and the first fastener hole 151 can be displaced relatively in the gap. The end of the first fastener hole 151 includes a chamfered mouth 152, the chamfered mouth 152 having a first chamfered configuration to receive the second chamfered configuration 131 of the head of the fastener 13. A gap is provided between the first chamfered structure of the chamfered opening 152 and the second chamfered structure 131 of the head of the fastener 13 so that the first chamfered structure of the chamfered opening 152 and the second chamfered structure 131 of the fastener 13 can be relatively displaced within the gap. The clearance between the fastening member 13 and the first fastening member hole 151 and the clearance between the first chamfer structure of the chamfer opening 152 and the second chamfer structure 131 of the fastening member 13 together form a floating space, so that the floating socket 11 and the bottom plate 12 can be relatively displaced in the floating space when floating.

In some embodiments, the second chamfered structure 131 of the head of the fastener 13 is shaped as an inverted cone having a conical bottom surface with a diameter greater than the size of the first fastener hole 151 in the jacket 15. The first chamfer structure of the chamfer opening 152 comprises an inclined surface having an inclination angle corresponding to the inclination angle of the conical taper of the second chamfer structure 131 of the head of the fastener 13.

In some embodiments, floating receptacle 11 may float relative to base 12 in a transverse plane over a circular range of 0-8 mm radius centered at the center of fastener 13.

Referring to fig. 1, the socket 1 includes a gasket 16, the gasket 16 is fixedly connected to the floating socket 11, the gasket 16 is located between the sleeve body 15 and the first elastic member 14, has a gap with the sleeve body 15, and contacts the second end of the first elastic member 14 so that the second end supports the sleeve body 15 through the gasket 16. The washer 16 has a second fastener hole 161 formed therein corresponding to the first fastener hole 151 in the case body 15 for the fastener 13 to pass therethrough.

When the socket is not in use, the spacer 16 is placed on the second end of the first resilient member 14, and the first resilient member 14 is placed in compression by the weight of the spacer 16. When the socket and the plug are installed and aligned, the socket is subjected to the force of the plug and is transmitted to the sleeve body 15, the sleeve body 15 is subjected to the force, and a floating space is formed by a gap between the fastening piece 13 and the first fastening piece hole 151 of the sleeve body, a gap between the first chamfer structure of the chamfer opening 152 and the second chamfer structure 131 of the fastening piece 13 and elastic expansion of the first elastic piece 14, so that the sleeve body 15 fixedly connected to the floating socket 11 is displaced relative to the fastening piece 13 fixedly connected to the bottom plate 12, the floating of the floating socket 11 relative to the bottom plate 12 is realized, and a required space is provided for the alignment of the socket and the plug.

In some embodiments, the plurality of covering bodies 15 are uniformly arranged, and each covering body 15 is spaced from the adjacent covering body 15 by the same distance, so that the covering bodies 15 and the first elastic members 14 are stressed more uniformly when the floating socket 11 floats relative to the bottom plate 12.

In some embodiments, there are 4 sleeves 15 evenly disposed on the sides of the floating socket 11. The number of the corresponding fastening members 13 is 4, and the number of the first elastic members 14 is 4.

In some embodiments, floating receptacle 11 floats in the longitudinal direction relative to base 12 in a range of 0 to 10mm.

In some embodiments, the first resilient member 14 is a spring, and the second end of the first resilient member 14 has an inner diameter no less than the diameter of the second fastener hole 161 of the spacer 16.

In some embodiments, the fasteners 13 are bolts.

Referring to fig. 1 and 2, fig. 2 shows a schematic structural view of a spring assembly according to an embodiment of the present disclosure. The socket 1 is further provided with a plurality of sets of elastic members 17 for absorbing shock. Each set of elastic elements 17 includes a second elastic member 171 and a ball 172, and the ball 172 is correspondingly disposed at one end of the second elastic member 171 close to the pad 16 and abuts against the pad 16. The other end of the second elastic member 171 is fixedly connected to the sheath body 15.

With continued reference to FIG. 2, the first fastener hole 151 in the sheath body 15 is provided with a plurality of elastic cavities 153 at the periphery thereof for respectively accommodating the elastic members 17. The second elastic member 171 is disposed in the elastic cavity 153, a part of the ball 172 is disposed in the elastic cavity 153, and the rest of the ball 172 is located in the gap between the sheath 15 and the gasket 16. In normal use, the second elastic member 171 is in a compressed state, and the gasket 16 indirectly supports the sleeve body 15 through the balls 172, so as to reduce the friction force between the gasket 16 and the sleeve body 15 during use and increase the service life of the socket.

In some embodiments, it is preferable that the balls 172 roll against the second elastic member 171 to further reduce the friction between the gasket 16 and the case body 15 during the floating process.

In some embodiments, it is preferable that the balls 172 be made of an elastic material to better reduce the friction between the pad 16 and the cover 15 during the floating process.

In some embodiments, the elastic elements 17 are uniformly disposed on the periphery of the first fastening hole 151 of the sheath body 15. In some embodiments, a total of 8 sets of elastic elements 17 are uniformly disposed on the periphery of the first fastener hole 151 of the sheath body 15 to more uniformly reduce the friction.

Referring to fig. 3, fig. 3 illustrates a perspective view of a receptacle according to an embodiment of the present disclosure. The side of the floating socket 11 is provided with a guide sleeve 18, when the plug is electrically connected with the socket 1, the guide sleeve 18 is suitable for accommodating the guide pin of the plug and is matched with the guide pin so as to be positioned and guided to be inserted, the guide sleeve 18 receives the force of the guide pin and transmits the force to the sleeve body 15, the sleeve body 15 is enabled to displace in the floating space, and the sleeve body 15 drives the floating socket 11 to move, so that the accurate alignment of the plug and the socket 1 is facilitated. In some embodiments, there may be more than one guide sleeve 18.

In some embodiments, floating receptacle 11 includes a first mating portion 111 and a second mating portion 112. The first mating portion 111 is adapted to receive a terminal of a power source or a battery, and the second mating portion 112 is adapted to receive a power terminal. The first fitting portion 111 is integrally connected with the second fitting portion 112.

In some embodiments, the first fitting portion 111 has a cylindrical shape, the sleeve body 15 is disposed on an outer wall of the first fitting portion 111, and the guide sleeve 18 is disposed on the outer wall of the first fitting portion 111. The cylindrical first fitting portion 111 is advantageous in reducing the overall size of the floating socket 11 with the sleeve body 15 and the guide sleeve 18, and is also more advantageous in sealing due to the absence of corners.

In some embodiments, there are 2 guide sleeves 18 on the outer wall of the cylindrical first matching part 111, 4 sleeve bodies 15 are uniformly arranged on the outer wall of the first matching part 111 at the same time, each guide sleeve 18 is arranged between adjacent sleeve bodies 15, the sleeve bodies 15 accommodate the heads of the fasteners 13, and the tails of the fasteners 13 are fixed at four corners of the rectangular bottom plate 12, so that the arrangement of the first matching part 111, the sleeve bodies 15 and the guide sleeves 18 is compact, thereby saving the volume of the socket 1.

In some embodiments, the second mating portion 112 includes a plurality of insertion holes 1121 adapted to receive the power terminals and the terminal fittings, and a sealing member is disposed on an inner wall of an opening of each insertion hole 1121. An end cover 1122 is disposed at one end of the insertion hole 1121 close to the bottom plate 12, and a plurality of holes are disposed on the end cover 1122, and the shape and size of the holes are matched with those of the insertion hole 1121 of the second matching portion 112. During the installation of the floating socket 11, the power utilization terminal and the accessory are inserted into the insertion hole 1121 of the second fitting portion 112 through the end cover 1122, and the end cover 1122 covers the opening of the insertion hole 1121 and abuts against the sealing member provided on the inner wall of the opening of the insertion hole 1121, so as to fix the terminal and the accessory and realize the waterproof sealing.

In some embodiments, the receptacle 1121 is circular, the aperture in the end cap 1122 should be circular, and the seal provided on the inner wall of the aperture of the receptacle 1121 is a sealing ring.

Referring to fig. 4, fig. 4 shows a schematic structural view of an end cap according to an embodiment of the present disclosure. The end cap 1122 is integrally formed, and directly covers the insertion hole 1121 of the second fitting portion 112 during installation, thereby facilitating use.

Embodiments of the present disclosure also provide a connector, which is explained in detail below with reference to fig. 5. Referring to fig. 5, fig. 5 illustrates a perspective view of a connector according to an embodiment of the present disclosure. The connector comprises a socket 1 according to any one of the preceding claims, and further comprises a plug 2, the plug 2 being adapted to be inserted into the socket 1 upon electrical connection.

The plug 2 comprises a plug body 21, and when the plug is plugged with the socket, the plug body 21 is inserted into the first matching part 111 of the socket 1, and the shape of the plug body 21 is matched with that of the first matching part 111. The plug body 21 is provided on its outside with a seal 22 to ensure cleanliness and water-tightness after plug-in mating.

In some embodiments, the contour of the first mating portion 111 and the contour of the plug body 21 are cylindrical, and the circular mating end surface is beneficial to improve the sealing performance between the plug 2 and the socket 1 and the alignment between the plug 2 and the socket 1 during the mating process. The sealing member 22 is provided on the outer wall of the first fitting portion 111 correspondingly to a packing. When the plug 2 is in plug fit with the socket 1, the plug main body 21 enters the first fitting portion 111, and meanwhile the plug main body 21 and the first fitting portion 111 are sealed without dead angles by the sealing ring, so that waterproof and dustproof effects are achieved.

Referring to fig. 5, the plug 2 further comprises a terminal fixing portion 24 integrally connected to the plug body 21 and adapted to receive the power terminal and its accessories. The terminal fixing portion 24 includes a plurality of terminal insertion holes 241 adapted to receive the power source terminals and their accessories, and the inner wall of the bore of each terminal insertion hole 241 is provided with a sealing member. The orifice of the terminal insertion hole 241 is provided with an end cap 242, and the end cap 242 is provided with a plurality of holes, the shape and size of which are matched with the shape and size of the terminal insertion hole 241, so that the terminal insertion hole 241 can be covered and the sealing element of the inner wall of the orifice of the terminal insertion hole 241 is abutted to realize the sealing and water-proof of the terminal fixing part 24.

In some embodiments, the terminal insertion hole 241 is circular, the hole of the end cap 242 is circular, and the sealing element disposed on the inner wall of the hole of the terminal insertion hole 241 is a sealing ring.

In some embodiments, the end cap 242 is integrally formed, and directly covers the insertion hole 241 of the terminal fixing portion 24 during installation and is fixed by a fastener, so that the assembly process is reduced, and the application is convenient.

With continued reference to fig. 5, the plug 2 further includes a guiding pin 23 disposed outside the plug body 21, when the plug 2 is in plug-in fit with the receptacle 1, the guiding pin 23 of the plug 2 facilitates the plug-in fit of the plug 2 and the receptacle 1 by applying a force to the guiding sleeve 18, a gap between the first chamfered structure of the chamfered opening 152 and the second chamfered structure 131 of the head of the fastening member 13, and a gap between the fastening member 13 and the first fastening member hole 151 provide a floating space for the stressed sleeve body 15, and the first elastic member 14 is compressed by the force to provide a longitudinal floating space for the sleeve body 15, so as to ensure that the floating space exists in the precise alignment of the plug 2 and the receptacle 1, and to realize electrical connection after the alignment is completed.

The foregoing is considered as illustrative of exemplary embodiments, which have been used to illustrate the principles of the disclosure, and not to limit the scope of the disclosure. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these changes and modifications are also within the scope of the disclosure.

Claims (15)

1. A socket adapted for use with a moving body, comprising:

the bottom plate is suitable for being fixedly connected with the moving body;

a floating socket for connecting a power plug and a terminal of an electric device;

the bottom plate elastically supports the floating socket, a plurality of sleeve bodies are arranged on the side part of the floating socket, and a first fastener hole is formed in each sleeve body and is suitable for a fastener to penetrate through to be connected with the bottom plate;

a gap is formed between the fastener and the first fastener hole;

the end of the first fastener hole includes a chamfered mouth having a first chamfered structure to receive a second chamfered structure of the head of the fastener with a gap therebetween.

2. The socket of claim 1, wherein the floating socket is elastically supported by the bottom plate by a first elastic member, the first elastic member comprising:

the first end is fixedly connected with the bottom plate;

the fastener is suitable for penetrating through the first elastic piece and the tail part of the fastener is fixed on the bottom plate.

3. The socket of claim 2, wherein the first resilient member includes a second end, the socket including a spacer positioned between the housing and the first resilient member, the second end of the first resilient member being adapted to support the housing via the spacer;

the gasket is provided with a second fastener hole corresponding to the position of the first fastener hole in the sleeve body, so that the fastener can penetrate through the second fastener hole and the first fastener hole.

4. A socket according to claim 3, wherein a plurality of sets of spring assemblies are provided, the spring assemblies having bottoms abutting the pads and being adapted to reduce friction between the floating socket and the pads during movement of the floating socket relative to the base plate.

5. The receptacle of claim 4, wherein each set of said spring assemblies comprises:

the gasket comprises a second elastic piece and a ball fixed at one end of the second elastic piece, wherein the ball is suitable for abutting against the gasket, and the other end of the second elastic piece is fixedly connected to the sleeve body.

6. The receptacle of claim 5 wherein said first fastener hole is peripherally provided with a plurality of resilient cavities for respectively receiving said resilient members.

7. The socket of any one of claims 1-6 wherein the second chamfered structure of the head of the fastener is in the shape of an inverted cone.

8. A socket according to any one of claims 1 to 6, wherein the sides of the floating socket are provided with guide sleeves adapted to cooperate with guide pins of a plug for positioning when the plug is electrically connected to the socket.

9. The receptacle of any one of claims 1-6, wherein the floating receptacle comprises a first mating portion adapted to receive a power terminal and a second mating portion adapted to receive a power terminal, the first and second mating portions being integrally connected;

the first matching part is cylindrical in outline, and the sleeve body is arranged on the outer wall of the first matching part.

10. The receptacle of claim 9 wherein said second mating portion includes a plurality of receptacles adapted to receive electrical terminals, said receptacles having seals disposed therein.

11. The receptacle of claim 10, wherein an end of the plurality of receptacles proximate the bottom plate is provided with an end cap, the end cap being provided with a plurality of apertures having a shape that matches a shape of the receptacles of the second mating portion.

12. The socket of claim 11, wherein the plurality of sleeves are uniformly disposed.

13. A connector comprising the receptacle of any one of claims 1-12, further comprising: a plug adapted to be inserted into the socket when electrically connected; the plug comprises a plug main body which is suitable for being inserted into the socket when the plug is plugged into the socket, and a sealing element is arranged on the outer side of the plug main body and is suitable for sealing and preventing water after the plug is plugged into and matched with the socket.

14. The connector of claim 13, wherein the plug further comprises:

terminal fixed part, with grafting main part body coupling includes: a plurality of terminal receptacles adapted to receive power terminals, the terminal receptacles having seals disposed therein;

the battery is characterized in that end covers are arranged at one ends, close to the battery, of the terminal jacks, a plurality of holes are formed in the end covers, and the shapes of the holes are matched with those of the terminal jacks.

15. A connector according to claim 13 or 14, wherein the plug further comprises guide pins, provided on the outside of the plug body of the plug, adapted to cooperate with guide sleeves of the socket to define the mutual position of the plug and the socket when the plug is in plugging cooperation with the socket.

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