CN216529462U

CN216529462U - Positive contact rod, vehicle charging connector and battery maintenance device

Info

Publication number: CN216529462U
Application number: CN202122853515.4U
Authority: CN
Inventors: 王雷; 邓磊; 欧启珍
Original assignee: Ecoflow Technology Ltd
Current assignee: Ecoflow Technology Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-13
Anticipated expiration: 2031-11-19

Abstract

The application belongs to the technical field of charging equipment, and in particular relates to a positive contact rod, a vehicle charging connector and a battery maintenance device. The positive contact rod comprises an electric connecting rod, a fixed seat, an elastic telescopic piece and a positive cap. The electric connecting rod is provided with an input end and an output end; the fixed seat is connected with the input end, and one end of the fixed seat is provided with an accommodating cavity; the elastic expansion piece is fixed in the accommodating cavity, and one end of the elastic expansion piece is positioned outside the accommodating cavity; the positive electrode cap is connected with the elastic telescopic piece, and the positive electrode cap is configured to be in sliding fit with the fixing seat along the telescopic direction of the elastic telescopic piece. Through making anodal cap along the flexible direction and the fixing base sliding fit of elastic expansion piece, also make the motion trail of anodal cap more regular like this, reduced the damage of anodal cap to elastic expansion piece when concertina movement, and then also improved the overall structure intensity and the use reliability of anodal feeler lever when receiving to collide with.

Description

Positive contact rod, vehicle charging connector and battery maintenance device

Technical Field

The application belongs to the technical field of charging equipment, and in particular relates to a positive contact rod, a vehicle charging connector and a battery maintenance device.

Background

In recent years, car charging connectors have been widely used because they can be plugged into a cigarette lighter interface to supply power and perform other extended functions. In the prior art, the positive contact end of the vehicle charging connector needs to be kept elastic so as to be stably contacted with the electrode of the vehicle charging opening. However, the positive contact end of the existing vehicle charging connector is usually connected with an internal device of the vehicle charging connector only by means of a spring, so that the positive contact end is easily separated from the spring and falls off when being violently collided.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a positive feeler lever, car charge joint and battery maintenance ware, can improve the structural reliability of positive feeler lever, prevents that positive feeler lever is impaired when receiving to collide with.

To achieve the above object, a first aspect: the embodiment of the application provides an anodal feeler lever is applied to car and fills the joint, includes electric connecting rod, fixing base, elastic expansion piece and positive pole cap. Wherein the electric connecting rod is provided with an input end and an output end; the fixed seat is connected with the input end, and one end of the fixed seat is provided with an accommodating cavity; the elastic expansion piece is fixed in the accommodating cavity, and one end of the elastic expansion piece is positioned outside the accommodating cavity; the positive electrode cap and the elastic telescopic piece are connected at one end outside the accommodating cavity, and the positive electrode cap is configured to be in sliding fit with the fixing seat along the telescopic direction of the elastic telescopic piece.

So, when the anodal feeler lever that this application embodiment provided was applied to car and fills the joint, when car fills the joint and pegs graft the cooperation with the cigar lighter interface, during the electrode butt contact of anodal cap and cigar lighter interface, just can realize the electrode elasticity butt with the cigar lighter interface through compression elasticity extensible member. And through setting up the fixing base, and make elastic expansion part holding in the holding intracavity of fixing base, just so improved elastic expansion part's assembly stability, also realized the preferred protection to elastic expansion part, and through making anodal cap edge elastic expansion part's flexible direction and fixing base sliding fit, also make anodal cap's movement track more regular like this, the damage to elastic expansion part when concertina movement has been reduced to anodal cap, and then the overall structure intensity and the use reliability of anodal feeler lever when receiving to collide with have also been improved.

Optionally, the fixing base comprises:

the main seat body is connected with the input end;

the cylindrical part is connected with the main seat body, the containing cavity is formed in the cylindrical part, and the outer wall of the cylindrical part is sleeved with the positive electrode cap.

Optionally, the barrel and the main housing are integrally formed.

Optionally, an assembly hole is formed in one end of the main seat body, which faces away from the cylindrical member, and the input end is inserted into the assembly hole and sealed with tin.

Optionally, the positive electrode cap has an assembly cavity, and one end of the elastic expansion piece outside the accommodating cavity is fixed in the assembly cavity.

Optionally, one end of the elastic expansion piece, which is positioned outside the accommodating cavity, is sealed in the assembling cavity;

or one end of the elastic expansion piece, which is positioned outside the accommodating cavity, is welded and connected with the inner wall of the assembling cavity.

Optionally, the outer wall of the positive electrode cap is formed with an annular convex structure.

Optionally, the output end is in a bent rod shape, and the tail end of the output end is formed with an insertion pin.

In a second aspect: the embodiment of the application further provides a vehicle charging connector, which comprises a shell, a negative electrode elastic sheet and the positive electrode contact rod, wherein the negative electrode elastic sheet and the positive electrode contact rod are partially arranged in the shell, the positive electrode contact rod is arranged in the shell, and the positive electrode cap of the positive electrode contact rod is exposed out of the end head of the shell.

The car that this application embodiment provided fills joint, owing to including foretell positive feeler lever, foretell positive feeler lever has better overall structure intensity and use reliability when receiving to collide with, so also makes the car that has above-mentioned positive feeler lever to fill the joint and has good contact reliability equally.

In a third aspect: the embodiment of the application further provides a battery maintenance device, including the shell, set up the main control board in the shell and foretell car fill the joint, the car fills to connect and the shell is connected, and the car fills in the output end of the electric connecting rod who connects stretches into the shell to with main control board electric connection, the car fills in the negative pole shell fragment that connects stretches into the shell, and with main control board electric connection.

The battery maintenance device provided by the embodiment of the application comprises the vehicle charging connector, and the vehicle charging connector still has good contact reliability when the positive contact rod of the vehicle charging connector is collided, so that the battery maintenance device comprising the vehicle charging connector has better use reliability.

Drawings

Fig. 1 is a schematic structural diagram of a battery maintenance device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of another angle of the battery maintenance device according to the embodiment of the present application;

fig. 3 is a schematic view illustrating an exploded structure of the battery maintenance device according to the embodiment of the present application shown in fig. 1;

FIG. 4 is a schematic structural diagram of a vehicle charging connector provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a positive contact bar according to an embodiment of the present disclosure;

fig. 6 is an exploded schematic view of a positive contact rod according to an embodiment of the present disclosure;

fig. 7 is a cross-sectional view of a positive contact bar provided in an embodiment of the present application;

fig. 8 is a schematic structural diagram of a positive electrode cap of a positive electrode contact rod according to an embodiment of the present application.

Description of reference numerals:

10-positive contact rod 11-electric connecting rod 12-fixed seat

13-elastic expansion piece 14-positive electrode cap 20-vehicle charging connector

21-shell 22-negative pole elastic sheet 23-avoidance opening

30-battery maintainer 31-shell 32-interface device

33-voltage change-over switch 34-main control board 111-input terminal

112-output terminal 113-plug pin 121-accommodating cavity

122-main seat body 123-barrel 124-assembly hole

141-assembly cavity 142-annular projection structure.

Detailed Description

The following detailed description of the present application will be made with reference to fig. 1 to 8, but it should be understood that the scope of the present application is not limited by the following detailed description.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

For the reader's understanding of the examples in this application, the following explanation is given for the proper nouns and acronyms appearing in this application:

and (3) vulcanization phenomenon: the sulfuration phenomenon is caused by the fact that a layer of white hard crystals are attached to the surface of a negative plate in the storage battery, and the white hard crystals are caused by repeated charging and discharging, too many charging frequencies, over-discharging and other factors.

Tin sealing: the method is a process of connecting two objects by adhering or filling molten tin metal to the joint of the two objects and solidifying the tin metal.

As shown in fig. 1 to 3, the present embodiment provides a positive electrode contact rod 10, a vehicle charging connector 20, and a battery maintenance device 30, which can improve the structural reliability of the positive electrode contact rod 10 and prevent the positive electrode contact rod 10 from being damaged when the positive electrode contact rod is collided.

The Battery Conditioner 30(Battery Conditioner) is also called a charger, a Battery regulator, a Battery monitor, or the like. It is generally designed for battery maintenance of yachts, airplanes and passenger cars. When the storage battery is in power shortage, an external power supply is needed to charge the storage battery, and in the process, the power supply is connected with the charging power supply and the battery, so that the battery is prevented from being vulcanized in the charging process.

In this embodiment, as shown in fig. 3, the positive contact rod 10 is applied to the vehicle charging connector 20, and the vehicle charging connector 20 can be applied to the battery maintenance device 30, so that the battery maintenance device 30 can be plugged and matched with the cigarette lighter interface of the energy storage power source through the vehicle charging connector 20, and further, the storage battery can be charged by using the cigarette lighter interface of the energy storage power source.

Specifically, in a first aspect, please refer to fig. 5 and 6, an embodiment of the present application provides a positive contact rod 10, which includes an electrical connection rod 11, a fixing seat 12, an elastic expansion piece 13, and a positive cap 14. Wherein, the electrical connection rod 11 is used for transmitting electrical signals, and the electrical connection rod 11 may be in a straight rod shape or a bent rod shape. The electrical connector bar 11 has an input terminal 111 and an output terminal 112, wherein the input terminal 111 is used for electrically connecting with the positive electrode cap 14, and the output terminal 112 is used for electrically connecting with the circuit board in the vehicle charging connector 20 or the main control board 34 in the battery maintenance device 30.

More specifically, the fixing base 12 is connected to the input end 111, and one end of the fixing base 12 is provided with an accommodating cavity 121; the elastic expansion piece 13 is fixed in the accommodating cavity 121. The elastic expansion piece 13 may be directly welded to the inner wall of the accommodating cavity 121, or may be fixed in the accommodating cavity 121 through a tin seal. One end of the elastic expansion piece 13 is located outside the accommodating cavity 121 and connected with the positive electrode cap 14, and the positive electrode cap 14 is configured to be in sliding fit with the fixed seat 12 along the expansion direction of the elastic expansion piece 13. This enables a better guidance of the direction of elastic expansion of the positive electrode cap 14.

The positive electrode trolley 10 provided in the embodiment of the present application is further explained as follows: when the anodal feeler lever 10 that this application embodiment provided is applied to car and fills joint 20, when car fills joint 20 and cigar lighter interface grafting cooperation, when the electrode butt contact of anodal cap 14 and cigar lighter interface, just can realize the electrode elasticity butt with the cigar lighter interface through compression elasticity extensible member 13. And through setting up fixing base 12, and make elastic expansion piece 13 holding in the holding chamber 121 of fixing base 12, so just improved elastic expansion piece 13's assembly stability, also realized the preferred protection to elastic expansion piece 13, and through making positive cap 14 along elastic expansion piece 13's flexible direction and fixing base 12 sliding fit, also make positive cap 14's movement track more regular like this, the damage to elastic expansion piece 13 when concertina movement of positive cap 14 has been reduced, and then the overall structure intensity and the use reliability of positive feeler lever 10 when receiving the clash have also been improved.

In other embodiments of the present application, as shown in fig. 6 and 7, the fixing base 12 includes a main base body 122 and a barrel 123. Wherein, the main base 122 is connected with the input terminal 111; the cylinder 123 is connected to the main seat 122, the receiving cavity 121 is formed in the cylinder 123, and the positive electrode cap 14 is sleeved on the outer wall of the cylinder 123.

Specifically, by making the fixing base 12 include the cylinder 123, the structural characteristics of the cylinder 123 can be utilized to naturally surround the inner wall of the cylinder 123 to form the accommodating cavity 121, so that the cost for forming the accommodating cavity 121 is also saved, and the overall manufacturing cost of the positive contact rod 10 is also saved. Meanwhile, the outer wall of the cylindrical part 123 is sleeved with the positive electrode cap 14, so that the cylindrical part 123 can form sliding fit with the positive electrode cap 14, and accurate guiding of the positive electrode cap 14 in the telescopic reciprocating motion process is achieved.

Alternatively, the main housing 122 and the input terminal 111 can be welded, fitted, or integrally formed with each other. Specifically, the main housing body 122 can be soldered to the input terminal 111, so that the main housing body 122 can be stably connected to the input terminal 111. The main body 122 and the input terminal 111 are engaged with each other, so that the fixing base 12 and the electrical connecting rod 11 can be easily assembled and disassembled.

For example, the main body 122 and the input terminal 111 may be formed by an integral casting process, which may improve the manufacturing efficiency of the positive electrode trolley 10 and also improve the connection strength and structural stability of the main body 122 and the input terminal 111.

In other embodiments of the present application, the barrel 123 and the main housing 122 are integrally formed. Specifically, by integrally molding the cylinder 123 and the main housing 122, it is possible to increase the connection strength of the main housing 122 and the cylinder 123 on the one hand. On the other hand, mass production of the fixing seat 12 can be realized, and the production cost of the fixing seat 12 is reduced.

Alternatively, the cylinder 123 and the main housing 122 may be formed in various manners, such as integral casting, integral stamping, and additive manufacturing. In this case, by integrally casting the cylinder 123 and the main housing 122, the manufacturing cost of the cylinder 123 and the main housing 122 can be saved while the cylinder 123 and the main housing 122 are manufactured in a large scale.

For example, for manufacturing convenience, the main housing 122 may have a cylindrical shape or a frustum shape, and the central axis of the main housing 122 and the cylinder 123 are coaxially disposed.

In other embodiments of the present application, as shown in fig. 7, a mounting hole 124 is opened at an end of the main seat 122 facing away from the cylinder 123, and the input terminal 111 is inserted into the mounting hole 124 and soldered. Specifically, by inserting and fitting the input terminal 111 and the assembly hole 124, the coarse positioning and the coarse assembly of the input terminal 111 and the main body 122 are firstly achieved, and the input terminal 111 is sealed in the assembly hole 124 by tin, so that the connection stability of the main body 122 and the electrical connection rod 11 is further improved.

Optionally, the assembly holes 124 are threaded holes, the input terminals 111 are threaded posts, and the threaded posts and the threaded holes are in threaded engagement, so that the input terminals 111 are soldered in the assembly holes 124 on the basis of the threaded engagement between the assembly holes 124 and the input terminals 111, thereby providing better connection stability between the main base 122 and the electrical connection rod 11.

In other embodiments of the present application, as shown in fig. 7 and 8, the positive electrode cap 14 is opened with a mounting cavity 141, and one end of the elastic expansion piece 13 outside the accommodating cavity 121 is fixed in the mounting cavity 141. Specifically, the assembly cavity 141 is opened in the positive electrode cap 14, so that one end of the elastic expansion piece 13 is accommodated in the assembly cavity 141 and can be covered and protected by the inner wall of the assembly cavity 141, thereby improving the safety of the elastic expansion piece 13, and the elastic expansion piece 13 and the positive electrode cap 14 have better connection stability by welding one end of the elastic expansion piece 13 to the inner wall of the assembly cavity 141.

In other embodiments of the present application, an end of the elastic expansion piece 13 outside the receiving cavity 121 is sealed in the assembling cavity 141. Specifically, as another implementation manner of connecting the positive electrode cap 14 and the elastic expansion piece 13, the elastic expansion piece 13 is sealed in the assembly cavity 141, so that on one hand, the elastic expansion piece 13 and the positive electrode cap 14 have better connection stability, on the other hand, the connection process of the elastic expansion piece 13 and the positive electrode cap 14 can be simplified, and the connection process cost of the elastic expansion piece 13 and the positive electrode cap 14 is saved.

Specifically, positive electrode cap 14 is cylindrical, the end of positive electrode cap 14 is hemispherical, and a contact plane is formed at the end of the end facing away from fixing base 12, so that positive electrode cap 14 and the electrode of the vehicle charging interface (cigarette lighter interface) can be in more sufficient contact.

In other embodiments of the present application, an end of the elastic expansion piece 13 located outside the receiving cavity 121 is welded to an inner wall of the assembling cavity 141. Specifically, as another connection mode of the elastic expansion piece 13 and the positive electrode cap 14, one end of the elastic expansion piece 13 may also be welded to the inner wall of the assembly cavity 141, so that the load of the elastic expansion piece 13 may be reduced, and the service life of the elastic expansion piece 13 may be prolonged.

The elastic bellows 13 may be a compression spring, for example.

In other embodiments of the present application, as shown in fig. 7 and 8, the outer wall of positive electrode cap 14 is formed with an annular raised structure 142. Specifically, the end of the housing 21 of the vehicle charging connector 20 is provided with a avoiding opening 23 for the positive electrode cap 14 to extend out, and when the positive electrode contact rod 10 is applied to the vehicle charging connector, the outer wall of the positive electrode cap 14 is formed with the annular protruding structure 142, the annular protruding structure 142 can abut against the inner wall of the housing 21 at the edge of the avoiding opening 23, so that the positive electrode cap 14 is limited relative to the housing 21.

In other embodiments of the present application, as shown in fig. 5 and 6, the output terminal 112 is in the shape of a bent rod, and the end of the output terminal 112 is formed with a plug pin 113. Specifically, by making the output terminal 112 have a bent rod shape, the insertion pin 113 at the output terminal 112 is conveniently inserted into and engaged with the circuit board inside the vehicle charging connector 20 or the circuit board inside the battery protector 30.

In a second aspect, please refer to fig. 3 and 4, an embodiment of the present application further provides a vehicle charging connector 20, which includes a housing 21, a negative electrode elastic sheet 22 partially disposed in the housing 21, and the positive electrode contact rod 10, wherein the positive electrode contact rod 10 is disposed in the housing 21, and the positive electrode cap 14 of the positive electrode contact rod 10 is exposed at an end of the housing 21.

The charging connector 20 provided by the embodiment of the application comprises the positive contact rod 10, and the positive contact rod 10 has better overall structural strength and use reliability when being collided, so that the charging connector 20 with the positive contact rod 10 also has good contact reliability.

In a third aspect, referring to fig. 1 to 3, an embodiment of the present application further provides a battery maintenance device 30, which includes a housing 31, a main control board 34 disposed in the housing 31, and the vehicle charging connector 20, wherein the vehicle charging connector 20 is connected to the housing 31, an output end 112 of an electrical connection rod 11 of the vehicle charging connector 20 extends into the housing 31 and is electrically connected to the main control board 34, and a negative electrode elastic piece 22 of the vehicle charging connector 20 extends into the housing 31 and is electrically connected to the main control board 34.

Specifically, the battery maintainer 30 is provided with a work indicator lamp. The opposite end of the battery maintainer 30 having the vehicle charging connector 20 is provided with an interface device 32, and the interface device 32 is used for connecting with a charging wire such as a charging wire or a vehicle charging wire. The lap joint line can lap joint in the positive negative pole of battery to realize charging for the battery. And the car charges the charging wire and then can tie in the cigarette ware interface and realize charging for the battery.

Illustratively, the interface device 32 may specifically be an XT60 jack, an XT60H jack, an XT30 jack, or the like.

Optionally, a voltage switch 33 is further integrated on the main control board 34 of the battery support 30 to correspond to the output voltage of 12V or 24V. When the voltage switch 33 is turned to the 12V position, the battery maintenance device 30 outputs a current to the 12V battery of the small-sized passenger vehicle. When the voltage switch 33 is turned to the 24V position, the battery maintenance device 30 can output a current to a 24V battery of a large bus, a forklift, or the like.

The battery maintenance device 30 provided in the embodiment of the present application includes the vehicle charging connector 20, and the vehicle charging connector 20 still has good contact reliability when the positive electrode contact rod 10 of the vehicle charging connector is knocked, so that the battery maintenance device 30 including the vehicle charging connector 20 has better use reliability.

The foregoing descriptions of specific exemplary embodiments of the present application have been presented for purposes of illustration and description. It is not intended to limit the application to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the present application and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the present application and various alternatives and modifications thereof. It is intended that the scope of the application be defined by the claims and their equivalents.

Claims

1. The utility model provides an anodal feeler lever is applied to car and fills joint, its characterized in that: the method comprises the following steps:

an electrical connection rod having an input end and an output end;

the fixed seat is connected with the input end, and one end of the fixed seat is provided with an accommodating cavity;

the elastic expansion piece is fixed in the accommodating cavity, and one end of the elastic expansion piece is positioned outside the accommodating cavity;

the positive electrode cap and the elastic telescopic piece are located at one end outside the accommodating cavity and are connected, and the positive electrode cap is configured to be matched with the fixing seat in a sliding mode along the telescopic direction of the elastic telescopic piece.

2. The positive trolley according to claim 1, wherein: the fixing base includes:

the main seat body is connected with the input end;

the cylindrical part is connected with the main seat body, the accommodating cavity is formed in the cylindrical part, and the outer wall of the cylindrical part is sleeved with the positive electrode cap.

3. The positive trolley according to claim 2, wherein: the cylindrical part and the main base body are integrally formed.

4. The positive trolley according to claim 2, wherein: the main seat body is provided with an assembling hole at one end back to the cylindrical part, and the input end is inserted and tin-sealed in the assembling hole.

5. The positive trolley according to claim 2, wherein: the positive electrode cap is provided with an assembly cavity, and one end of the elastic expansion piece, which is positioned outside the accommodating cavity, is fixed in the assembly cavity.

6. The positive trolley according to claim 5, wherein: one end of the elastic expansion piece, which is positioned outside the accommodating cavity, is sealed in the assembling cavity;

or one end of the elastic expansion piece, which is positioned outside the accommodating cavity, is welded with the inner wall of the assembling cavity.

7. The positive electrode trolley according to any one of claims 1 to 6, wherein: and an annular convex structure is formed on the outer wall of the positive electrode cap.

8. The positive electrode trolley according to any one of claims 1 to 6, wherein: the output end is bent rod-shaped, and the tail end of the output end is provided with an inserting pin.

9. The utility model provides a car fills joint, includes the casing and the part set up in negative pole shell fragment in the casing, its characterized in that: the vehicle-charging connector further comprises the positive contact rod of any one of claims 1 to 8, the positive contact rod is arranged in the shell, and a positive cap of the positive contact rod is exposed out of an end of the shell.

10. The utility model provides a battery maintenance ware, includes the shell and set up in main control board in the shell, its characterized in that: the battery maintenance device further comprises the vehicle charging connector according to claim 9, wherein the vehicle charging connector is connected with the housing, an output end of an electrical connecting rod of the vehicle charging connector extends into the housing and is electrically connected with the main control board, and a negative electrode elastic sheet of the vehicle charging connector extends into the housing and is electrically connected with the main control board.