CN219180910U - Switching charging connector suitable for different voltage platforms - Google Patents

Abstract

The utility model relates to a switching charging connector suitable for different voltage platforms, which comprises a vehicle body 36V charging female seat, an adapter and a 48V male plug of a charging end, wherein the front end of the adapter is matched with a female seat of the vehicle body 36V charging female seat, the rear end of the adapter is matched with a male head of the 48V male plug of the charging end, the adapter comprises a shell, a front terminal and a rear terminal, the front terminal is arranged in front of the shell, the front terminal can be inserted into the female seat of the vehicle body 36V charging female seat, the rear terminal is arranged behind the shell, the rear terminal can be inserted into the male head of the 48V male plug of the charging end, and the front terminal and the rear terminal are electrically connected through a wire.

Description

Switching charging connector suitable for different voltage platforms

Technical Field

The utility model relates to the field of connectors, in particular to a switching charging connector suitable for different voltage platforms.

Background

The charging connector for the electric vehicle on the market mainly comprises a charging connector for a 36V voltage platform and a charging connector for a 48V voltage platform, and the male plug and the female socket of the two types of charging connectors are different in size, so that the two types of charging connectors cannot be mixed for use, and for manufacturers, if the 48V male plug can be used for the 36V charging female socket, a lot of unnecessary production procedures can be reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the technical problem to be solved by the utility model is how to realize compatibility of different voltage platforms, and the specific technical scheme is as follows:

the utility model provides a switching charging connector suitable for different voltage platforms, includes automobile body 36V female seat, adapter and the public plug of charging end 48V that charges, and adapter front end cooperatees with the female seat mouth of automobile body 36V female seat that charges, and the adapter rear end cooperatees with the public head mouth of the public plug of charging end 48V.

As a preferable scheme of the utility model, the adapter comprises a shell, a front terminal and a rear terminal, wherein the front terminal is arranged in front of the shell, the front terminal can be inserted into a female seat opening of a 36V charging female seat of a vehicle body, the rear terminal is arranged behind the shell, the rear terminal can be inserted into a male head opening of a 48V male plug of a charging end, and the front terminal and the rear terminal are electrically connected through a wire.

As a preferable scheme of the utility model, the front terminal comprises a front insulating column, a front outer conductive column, a front inner conductive column, a front insulator and a front center pin, wherein the front outer conductive column is sleeved outside the front insulating column, a limit step is arranged behind the front insulating column, the front outer conductive column abuts against the limit step, the front inner conductive column is sleeved inside the front insulating column, the front ends of the front insulating column, the front outer conductive column and the front inner conductive column extend out of the front of the shell, the front insulator is sleeved inside the front inner conductive column, the front center pin is arranged in the center of the front insulator, and the front center pin is separated from the inner walls of the front insulating column and the front inner conductive column to form a first cavity.

As a preferable scheme of the utility model, a second cavity is arranged at the rear of the shell, a rear terminal is arranged in the second cavity, the rear terminal comprises a rear insulating column, a rear outer conductive column, a rear inner conductive column, a rear insulator and a rear center pin, the rear outer conductive column is sleeved outside the rear insulating column, a limit step is arranged at the rear of the rear insulating column, the rear outer conductive column abuts against the limit step, the inner wall of the second cavity is separated from the rear insulating column and the rear outer conductive column, the rear inner conductive column is sleeved inside the rear insulating column, the rear insulator is sleeved inside the rear inner conductive column, the rear center pin is arranged in the center of the rear insulator, and the rear center pin is separated from the rear insulating column and the inner wall of the rear inner conductive column to form a third cavity.

As a preferable scheme of the utility model, the vehicle body 36V charging female seat comprises a fixed base, a female central needle, a female first elastic piece and a female second elastic piece, wherein the fixed base is provided with a mounting hole, a fourth cavity is arranged in the fixed base, the front of the fourth cavity is open, a cylinder is arranged in the fourth cavity, the inner diameter of the fourth cavity is larger than the outer diameter of the cylinder, a needle hole is arranged in the front of the cylinder, the female central needle is arranged in the cylinder, the female central needle is of a hollow structure, the fourth cavity, the cylinder and the female central needle are coaxially arranged, a female first elastic piece placing groove and a female second elastic piece placing groove are arranged in the fixed base, the female first elastic piece placing groove is positioned on the left side of the cylinder, the female first elastic piece is positioned in the female first elastic piece placing groove, the bent part of the female first elastic piece stretches into the fourth cavity, the female second elastic piece placing groove is positioned on the right side of the cylinder, and the bent part of the female second elastic piece stretches into the fourth cavity.

As a preferable scheme of the utility model, the charging end 48V male plug comprises a plug, a male central needle, a male first elastic piece and a male second elastic piece, wherein a fifth cavity is arranged in the plug, an opening is formed in the front of the fifth cavity, a cylinder is arranged in the fifth cavity, the inner diameter of the fifth cavity is larger than the outer diameter of the cylinder, a needle hole is formed in the front of the cylinder, the male central needle is arranged in the cylinder, the male central needle is of a hollow structure, the fifth cavity, the cylinder and the male central needle are coaxially arranged, a male first elastic piece placing groove and a male second elastic piece placing groove are arranged in the plug, the male first elastic piece placing groove is positioned on the left side of the cylinder, the male first elastic piece is positioned in the male first elastic piece placing groove, the bending part of the male first elastic piece stretches into the fifth cavity, the male second elastic piece placing groove is positioned on the right side of the cylinder, and the bending part of the male second elastic piece stretches into the fifth cavity.

The beneficial effects are that: the adapter charging connector suitable for different voltage platforms has the advantages that the 36V charging female seat of the vehicle body is electrically connected with the 48V male plug of the charging end through the adapter, the compatibility and the applicability of the 36V and 48V different voltage platforms are realized, and the use requirement is met.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of another aspect of the present utility model;

FIG. 3 is an exploded view of the adapter of the present utility model;

fig. 4 is a structural cross-sectional view of the front terminal of the present utility model;

fig. 5 is an exploded view of the 36V charging cradle of the vehicle body of the present utility model;

fig. 6 is a structural sectional view of the 36V charging cradle of the vehicle body of the present utility model;

FIG. 7 is a block diagram of the front terminal of the present utility model mated with a 36V charging cradle of the vehicle body;

fig. 8 is a structural cross-sectional view of the rear terminal of the present utility model;

FIG. 9 is an exploded view of the 48V male plug of the charging end of the present utility model;

FIG. 10 is a cross-sectional view of the structure of the 48V male plug of the charging terminal of the present utility model;

fig. 11 is a block diagram of the rear terminal of the present utility model mated with a 48V male plug at the charging end.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the accompanying drawings:

in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 and 2, a switching charging connector suitable for different voltage platforms comprises a vehicle body 36V charging female socket 1, a switching head 2 and a charging end 48V male plug 3, wherein the vehicle body 36V charging female socket 1 is arranged on a vehicle battery of an electric vehicle to directly charge the battery, the front end of the switching head 2 is matched with a female socket of the vehicle body 36V charging female socket 1, the rear end of the switching head 2 is matched with a male socket of the charging end 48V male plug 3, and the charging end 48V male plug 3 is arranged in a power adapter to be electrically connected with the plug.

As shown in fig. 3, the adapter 2 includes a housing 21, a front terminal 22 and a rear terminal 23, the housing 21 is made of an insulating material, the front terminal 22 is installed in front of the housing 21, the front terminal 22 can be inserted into a female socket of the vehicle body 36V charging female socket 1, the rear terminal 23 is installed behind the housing 21, the rear terminal 23 can be inserted into a male socket of the charging end 48V male plug 3, the front terminal 22 and the rear terminal 23 are electrically connected by a wire, and the wire is connected by welding.

As shown in fig. 4, the front terminal 22 includes a front insulating column 221, a front outer conductive column 222, a front inner conductive column 223, a front insulator 224 and a front center pin 225, the front outer conductive column 222 is sleeved outside the front insulating column 221, a limit step is provided behind the front insulating column 221, the front outer conductive column 222 props against the limit step, the front inner conductive column 223 is sleeved inside the front insulating column 221, the front ends of the front outer conductive column 221, the front outer conductive column 222 and the front inner conductive column 223 extend out from the front of the shell 21, the front insulator 224 is sleeved inside the front inner conductive column 223, the front center pin 225 is mounted at the center of the front insulator 224, the front center pin 225 is of a solid structure, the front center pin 225 is separated from the inner walls of the front insulating column 224 and the front inner conductive column 223 to form a first cavity 226, and the front insulating column 221 is provided with a horn mouth so as to be conveniently inserted into the 36V charging socket 1 of the vehicle body.

As shown in fig. 5 and 6, the vehicle body 36V charging master socket 1 includes a fixed base 11, a master center pin 12, a master first elastic sheet 13 and a master second elastic sheet 14, the fixed base 11 is provided with a mounting hole 15, the fixed base 11 penetrates into the mounting hole 15 through a screw to be mounted on the vehicle body, a fourth cavity 16 is arranged in the fixed base 11, an opening in front of the fourth cavity 16 is convenient for inserting a front terminal 22, a cylinder 17 is arranged in the fourth cavity 16, the inner diameter of the fourth cavity 16 is larger than the outer diameter of the cylinder 17, a pinhole is arranged above the cylinder 17, the pinhole is used for inserting a front center pin 225, the master center pin 12 is mounted in the cylinder 17, the master center pin 12 is in a hollow structure, the master center pin 12 is formed by a plurality of elastic clamping sheets which are bent inwards, the plurality of elastic clamping sheets are arrayed around the circumference of the central shaft, after the current center pin 225 is inserted into the master center pin 12, the elastic clamping sheets clamp the front center pin 225, the fourth cavity 16, the cylinder 17 and the master center pin 12 are coaxially arranged, a master first elastic sheet placing groove 18 and a master second elastic sheet placing groove 19 are arranged in the fixed base 11, the first elastic sheet placing groove 18 and the master center pin 19 are arranged in the left side of the cylinder 17, and a master center pin 12 is located in the second elastic sheet placing groove 19, the master center pin 12 is located in the second elastic sheet placing groove 19, and the master center pin is located in the second elastic sheet placing groove and the master center pin 12, and the master center pin is located in the master center hole and the master center pin 12, and the master center pin is located in the master center and the master center 11, and the master center 11.

As shown in fig. 7, when the front terminal 22 is inserted into the vehicle body 36V charging socket 1, the front insulating column 221, the front outer conductive column 222, and the front inner conductive column 223 enter the fourth chamber 16, the cylinder 17 enters the first chamber 226, the front center pin 225 is inserted into the female center pin 12, the female first elastic sheet 13 elastically presses the outer wall of the front outer conductive column 222, the female second elastic sheet 14 elastically presses the inner wall of the front inner conductive column 223, and the front center pin 225, the female center pin 12, the female first elastic sheet 13, the front outer conductive column, the female second elastic sheet 14, and the front inner conductive column 223 are all made of metal materials, thereby realizing transmission of electricity and signals, being not easy to disengage, having a plugging force of 10-30N, and a plugging life of 5000 times.

As shown in fig. 8, a second chamber 24 is disposed at the rear of the housing 21, the rear terminal 23 is mounted in the second chamber 24, the rear terminal 23 includes a rear insulating column 231, a rear outer conductive column 232, a rear inner conductive column 233, a rear insulator 234 and a rear center pin 235, the rear outer conductive column 232 is sleeved outside the rear insulating column 231, a limit step is disposed at the rear of the rear insulating column 231, the rear outer conductive column 232 abuts against the limit step, the inner wall of the second chamber 24 is spaced from the rear insulating column 231 and the rear outer conductive column 232, the rear inner conductive column 233 is sleeved inside the rear insulating column 231, the rear insulator 234 is sleeved inside the rear inner conductive column 233, the rear center pin 235 is mounted at the center of the rear insulator 234, the rear center pin 235 is in a solid structure, the rear outer conductive column 232, the rear inner conductive column 233 and the rear center pin 235 are spaced from the inner wall of the rear inner insulating column 234 to form a third chamber 236, and the front inner conductive column 223 and the front center pin 225 are connected (not shown) by wire welding.

As shown in fig. 9 and 10, the charging end 48V male plug 3 includes a plug 31, a male central needle 32, a male first elastic sheet 33 and a male second elastic sheet 34, a fifth chamber 35 is disposed in the plug 31, an opening is formed in front of the fifth chamber 35, a cylinder 36 is disposed in the fifth chamber 35, an inner diameter of the fifth chamber 35 is larger than an outer diameter of the cylinder 36, a pinhole is disposed in front of the cylinder 36, a rear central needle 235 is inserted into the pinhole, the male central needle 32 is mounted in the cylinder 36, the male central needle 32 is in a hollow structure, the male central needle 32 is composed of a plurality of elastic clamping sheets, the elastic clamping sheets are bent and contracted inwards, the elastic clamping sheets are arranged around a circumference of the central shaft, after the rear central needle 235 is inserted into the male central needle 32, the elastic clamping sheets clamp the rear central needle 235, the fifth chamber 35, the cylinder 36 and the male central needle 32 are coaxially disposed, a male first elastic sheet placing groove 37 and a male second elastic sheet placing groove 38 are disposed in the plug 31, the male first elastic sheet 33 is disposed on the left side of the cylinder 36, the male elastic sheet 33 is disposed in the first placing groove 37, a bent portion of the male elastic sheet 33 is disposed in the second elastic sheet placing groove 34 is disposed in the second bending portion of the cylinder 34, and is disposed in the second bending portion of the male elastic sheet 35 is disposed in the second bending portion of the second elastic sheet placing groove 34.

As shown in fig. 11, when the rear terminal 23 is inserted into the charging end 48V male plug 3, the plug 31 is inserted into the second chamber 24, the rear insulating column 231, the rear outer conductive column 232, and the rear inner conductive column 233 enter the fifth chamber 35, the cylinder 36 enters the third chamber 236, the rear center pin 235 enters the male center pin 32, the male first elastic piece 33 elastically presses the outer wall of the rear outer conductive column 232, the male second elastic piece 34 elastically presses the inner wall of the rear inner conductive column 233, and the rear center pin 235, the male center pin 32, the male first elastic piece 33, the rear outer conductive column 232, the male second elastic piece 34, and the rear inner conductive column 233 are all made of metal materials, thereby realizing transmission of electric power and signals.

While the utility model has been described in detail in connection with specific preferred embodiments, it is not to be construed as limited to the specific embodiments of the utility model, but rather as a matter of course, it will be understood by those skilled in the art that various modifications and substitutions can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. Switching charging connector suitable for different voltage platforms, its characterized in that: the electric vehicle comprises a vehicle body 36V charging female seat, an adapter and a charging end 48V male plug, wherein the front end of the adapter is matched with a female seat of the vehicle body 36V charging female seat, and the rear end of the adapter is matched with a male head of the charging end 48V male plug.

2. A transfer charging connector for use with different voltage platforms as claimed in claim 1, wherein: the adapter comprises a shell, a front terminal and a rear terminal, wherein the front terminal is arranged in front of the shell, the front terminal can be inserted into a female seat opening of a 36V charging female seat of a vehicle body, the rear terminal is arranged behind the shell, the rear terminal can be inserted into a male opening of a 48V charging end male plug, and electric connection is realized between the front terminal and the rear terminal through a wire.

3. A transfer charging connector adapted for use with different voltage platforms as claimed in claim 2, wherein: the front terminal comprises a front insulating column, a front outer conductive column, a front inner conductive column, a front insulator and a front center pin, wherein the front outer conductive column is sleeved outside the front insulating column, a limit step is arranged behind the front insulating column, the front outer conductive column abuts against the limit step, the front inner conductive column is sleeved inside the front insulating column, the front end of the front insulating column, the front outer conductive column and the front inner conductive column extend out of the front of the shell, the front insulator is sleeved inside the front inner conductive column, the front center pin is arranged in the center of the front insulator, and the front center pin is separated from the inner walls of the front insulating column and the front inner conductive column to form a first cavity.

4. A transfer charging connector adapted for use with different voltage platforms as claimed in claim 2, wherein: the shell rear is equipped with the second cavity, the rear terminal is installed in the second cavity, the rear terminal includes back insulating column, back outer conductive column, back inner conductive column, back insulator and back center needle, back insulating column outside suit back outer conductive column, back insulating column rear is equipped with spacing step, back outer conductive column withstands spacing step, second cavity inner wall separates with back insulating column, back outer conductive column, back insulating column inboard suit back inner conductive column, back inner conductive column inboard suit back insulator, back insulator center department installs back center needle, back center needle and back insulating column, back inner conductive column inner wall separates and forms the third cavity.

5. A transfer charging connector for use with different voltage platforms as claimed in claim 1, wherein: the automobile body 36V female seat that charges includes unable adjustment base, female center needle, female first shell fragment and female second shell fragment, unable adjustment base is equipped with the mounting hole, be equipped with the fourth cavity in the unable adjustment base, fourth cavity the place ahead opening, be equipped with the cylinder in the fourth cavity, the internal diameter of fourth cavity is greater than the external diameter of cylinder, the cylinder the place ahead is equipped with the pinhole, female center needle of installation in the cylinder, female center needle is hollow structure, the fourth cavity, the cylinder, female center needle coaxial setting, be equipped with female first shell fragment standing groove and female second shell fragment standing groove in the unable adjustment base, female first shell fragment standing groove is located the cylinder left side, female first shell fragment is located female first shell fragment standing groove, female first shell fragment's bending portion stretches into in the fourth cavity, female second shell fragment standing groove is located the cylinder right side, female second shell fragment is located female second shell fragment standing groove, female second shell fragment's bending portion stretches into in the fourth cavity.

6. A transfer charging connector for use with different voltage platforms as claimed in claim 1, wherein: the charging end 48V male plug comprises a plug, a male center needle, a male first elastic piece and a male second elastic piece, a fifth cavity is formed in the plug, an opening is formed in the front of the fifth cavity, a cylinder is arranged in the fifth cavity, the inner diameter of the fifth cavity is larger than the outer diameter of the cylinder, a needle hole is formed in the front of the cylinder, the male center needle is arranged in the cylinder, the male center needle is of a hollow structure, the fifth cavity, the cylinder and the male center needle are coaxially arranged, a male first elastic piece placing groove and a male second elastic piece placing groove are formed in the plug, the male first elastic piece placing groove is located on the left side of the cylinder, the male first elastic piece is located in the male first elastic piece placing groove, the bending portion of the male first elastic piece stretches into the fifth cavity, the male second elastic piece placing groove is located on the right side of the cylinder, and the bending portion of the male second elastic piece stretches into the fifth cavity.

Images