CN220306593U

CN220306593U - Energy storage connector

Info

Publication number: CN220306593U
Application number: CN202321895676.2U
Authority: CN
Inventors: 林晓光; 汪会华; 京志华
Original assignee: Zhejiang Shitu Electrical Co ltd
Current assignee: Zhejiang Shitu Electrical Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-01-05
Anticipated expiration: 2033-07-18

Abstract

The application relates to an energy storage connector, and relates to the technical field of energy storage connectors, which comprises a plug shell and a tail cover, wherein the plug shell is fixedly connected with the tail cover; the tail cover is internally provided with a placing cavity and a sealing assembly positioned in the placing cavity, the sealing assembly comprises an adjustable sealing ring, a limiting sleeve and a plurality of gaskets, two side surfaces of the adjustable sealing ring are respectively abutted with the limiting sleeve and the gaskets, an annular groove is formed in the peripheral surface of the adjustable sealing ring around the axis of the peripheral surface of the adjustable sealing ring, the side surface of the gasket, which is far away from the adjustable sealing ring, is abutted with the inner wall of the tail cover, and the end part, which is far away from the adjustable sealing ring, of the limiting sleeve is abutted with the end part, which is close to the tail cover, of the plug shell; according to the cable sealing device, through the arrangement of the sealing assembly, the sealing of cables with different sizes can be realized without changing sealing rings with different sizes; and the size of the adjustable sealing ring is consistent, so that the energy storage connector and cables with different sizes can be conveniently assembled by workers, and the assembly efficiency of the cables and the energy storage connector is improved.

Description

Energy storage connector

Technical Field

The application relates to the technical field of energy storage connectors, in particular to an energy storage connector.

Background

The energy storage connector is a component used for connecting energy storage equipment such as a battery or a super capacitor and electronic equipment, and can realize high-efficiency energy transmission and rapid charge and discharge when the equipment is charged or discharged. The energy storage connector is mainly applied to the fields of new energy automobiles, wind power and solar power generation equipment, intelligent home, intelligent wearable equipment and the like, and becomes one of key technologies indispensable in the era of electrodynamic and intelligent.

In the related art, an energy storage connector comprises a plug shell and a tail cover, wherein the plug shell is in threaded fit with the tail cover, and a connecting hole for inserting a cable is formed in the end part of the tail cover, which is far away from the plug shell; and install the sealing washer on the inner wall of connecting hole, wherein the outer peripheral face of sealing washer supports tightly with the inner wall of connecting hole, and the inner wall of sealing washer supports tightly with the outer peripheral face of cable to this avoids external steam or impurity to enter into the energy storage connector inside through the clearance between cable and the connecting hole inner wall.

But the diameters of the connecting wires of the energy storage connectors of different types are different, the cables with different diameters need to be provided with sealing rings with different specifications, and the factory needs to set up an additional production line to process the sealing rings with different sizes, so that the cost is higher; and when the energy storage connector is connected with the cable, the staff needs to apply sealing rings with different specifications on the corresponding energy storage connector, which is complicated, so that the efficiency of the staff in assembling the energy storage connector and the cable is lower.

Disclosure of Invention

The purpose of the present application is to provide an energy storage connector, which solves the problem that in the above related art, for cables with different diameters and sizes, sealing rings with different specifications need to be adopted, so that the cost is high; and when the energy storage connector is connected with the cable, the staff needs to apply sealing rings with different specifications on the corresponding energy storage connector, so that the problem that the assembly efficiency of the energy storage connector and the cable is low is caused.

The energy storage connector provided by the application adopts the following technical scheme:

an energy storage connector comprises a plug shell and a tail cover, wherein the plug shell is fixedly connected with the tail cover; the inside of tail-hood is provided with places the chamber and is located the seal assembly of placing the intracavity portion, seal assembly includes adjustable sealing washer, spacing sleeve and a plurality of packing ring, the both sides face of adjustable sealing washer respectively with spacing sleeve and packing ring butt, annular groove has been seted up around self axis to the outer peripheral face of adjustable sealing washer, the side that adjustable sealing washer was kept away from to the packing ring is tight with the inner wall butt of tail-hood, the tip that adjustable sealing washer was kept away from to spacing sleeve and the tip butt that plug casing is close to the tail-hood.

By adopting the technical scheme, when the diameter size of the cable connected with the energy storage connector is smaller, the installation number of the gaskets is increased on the basis of the original structure, after the tail cover and the plug shell are assembled, the gaskets and the limiting sleeves respectively squeeze the two side surfaces of the adjustable sealing ring to ensure that the inner wall of the adjustable sealing ring contracts towards the direction close to the axis of the adjustable sealing ring, so that the inner diameter size of the adjustable sealing ring is reduced, the cable with smaller diameter size can be used, and the sealing ring with different sizes can be suitable for sealing cables with different sizes without changing the sealing ring with different sizes; therefore, sealing rings with different specifications are not needed, and the processing cost is reduced; meanwhile, as the sizes of the adjustable sealing rings are consistent, the energy storage connector and cables with different sizes are also convenient for workers to assemble, and the assembly efficiency of the cables and the energy storage connector is improved.

Optionally, the cross section of the annular groove is circular arc.

Through adopting above-mentioned technical scheme, compare in the cross-section shape for square annular groove, circular arc annular groove is more easy to process, and annular groove cross-section shape can reduce the stress concentration degree of adjustable sealing washer for the arc simultaneously, improves the withstand voltage performance of adjustable sealing washer.

Optionally, the inner diameter of the limit sleeve and the inner diameter of the gasket are not smaller than the inner diameter of the adjustable sealing ring.

Through adopting above-mentioned technical scheme, when the cable inserts and places intracavity portion and energy storage connector internal connection, because the internal diameter size of spacing sleeve and packing ring is not less than the internal diameter size of adjustable sealing washer, only make the inner wall of adjustable sealing washer support tightly with the outer peripheral face of cable to this reduces the influence when the external connection cable of internal diameter size of spacing sleeve and packing ring.

Optionally, a clamping assembly for fixing the socket is arranged in the plug shell, the clamping assembly comprises a pressing piece, an elastic piece and a fixing piece, and a mounting cavity for placing the clamping assembly is formed in the plug shell; a limiting block is arranged on the pressing piece, a limiting groove for inserting the limiting block is formed in the inner wall of the mounting cavity, and two ends of the elastic piece are respectively abutted with the pressing piece and the fixing piece; the elastic piece is in a compressed state, the fixing piece is fixedly connected with the inner wall of the mounting cavity, and the elastic piece extrudes the pressing piece to enable a part of the pressing piece to protrude out of the mounting cavity; the clamping block is arranged on the outer side face of the pressing piece, a clamping groove for the clamping block to penetrate through and slide is formed in the inner wall of the installation cavity, and part of the clamping block protrudes out of the clamping groove and is simultaneously inserted into the positioning groove on the socket.

By adopting the technical scheme, when the socket is spliced with the plug shell, the part of the clamping block protruding out of the clamping groove is inserted into the positioning groove on the socket; when the socket and the socket shell are required to be separated, the finger of a user presses the pressing piece downwards and presses the elastic piece, so that the clamping block on the pressing piece is driven to be separated from the positioning groove on the socket, the socket and the plug shell can be separated, and then the clamping block moves to the original position under the action of the elastic piece; therefore, the assembling stability of the socket and the plug shell is improved.

Optionally, a plurality of anti-slip grooves are arranged on the surface of the pressing piece protruding out of the installation cavity.

Through adopting above-mentioned technical scheme, when the finger of user pushes down the button, reduce the possibility that the relative slip appears in user's finger and button surface, increase the friction between finger and the button surface.

Optionally, the elastic component is reset spring, reset spring's both ends respectively with the push piece and mounting butt.

Through adopting above-mentioned technical scheme, the elastic component is reset spring, and reset spring's both ends respectively with the push piece and mounting butt, after the user pushes down the push piece, can make the push piece reset under reset spring's effect.

Optionally, the side of mounting near reset spring is fixed and is provided with the locating pin, reset spring cover is established at the outer peripheral face of locating pin.

Through adopting above-mentioned technical scheme, when reset spring installs in the installation intracavity portion, through the setting of locating pin, inserts the outer peripheral face of locating pin with reset spring's one end to this stability of assembling of improvement reset spring and mounting.

Optionally, a fixing groove for placing the return spring is formed in the side surface, close to the return spring, of the pressing piece.

Through adopting above-mentioned technical scheme, when reset spring installs at the installation intracavity portion, through the setting of fixed slot, keep away from the tip of mounting with reset spring and insert the inside of fixed slot to this stability of assembling that improves reset spring and press the piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through seal assembly's setting, when the cable diameter size that energy storage connector is connected is less, increase the installation quantity of packing ring on original basis, after tail-hood and plug casing equipment finishes, because the increase of packing ring quantity, packing ring and spacing sleeve extrude the both sides face of adjustable sealing washer respectively, make adjustable sealing washer inner wall shrink to the direction that is close to self axis, with this internal diameter size that reduces adjustable sealing washer, make it can use the cable that the diameter size is less, with this sealing washer that does not need to change different sizes just can be applicable to the sealing of different size cables.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of an exploded structure embodying a seal assembly in accordance with an embodiment of the present application;

FIG. 3 is a schematic view in partial cross-section of an embodiment of the present application embodying a seal assembly mounting fit;

FIG. 4 is a schematic diagram of an exploded structure of a clamping assembly embodying an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of an embodiment of the present application embodying a snap-fit assembly;

fig. 6 is a schematic structural diagram of the embodiment of the present application when the clamping block is embodied to protrude out of the clamping groove;

fig. 7 is a schematic view of a structure of a grip on a pressing member according to an embodiment of the present application.

In the figure, 1, a plug housing; 11. a mounting cavity; 111. a limit groove; 112. a clamping groove; 2. a tail cover; 21. a placement cavity; 3. a seal assembly; 31. an adjustable seal ring; 311. an annular groove; 32. a limit sleeve; 33. a gasket; 4. a clamping assembly; 41. a pressing member; 411. a limiting block; 412. a clamping block; 413. an anti-skid groove; 414. a fixing groove; 42. an elastic member; 421. a return spring; 43. a fixing member; 431. and (5) positioning pins.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Examples:

referring to fig. 1 and 2, an energy storage connector includes a plug housing 1 and a tail cap 2, the plug housing 1 is in threaded connection with the tail cap 2, and a sealing assembly 3 for improving the sealing waterproof performance of the energy storage connector is arranged in the tail cap 2.

Referring to fig. 3, the inside of the tail cap 2 is provided with a placement cavity 21 communicating with the outside, and an external cable is inserted into the inside of the placement cavity 21 and connected with the inside of the energy storage connector; through seal assembly 3's setting, reduce external steam or dust and enter into the energy storage connector inside from placing the clearance between chamber 21 inner wall and the cable outer peripheral face to this dustproof and waterproof performance that improves the energy storage connector.

Referring to fig. 2 and 3, the sealing assembly 3 includes an adjustable sealing ring 31, a limiting sleeve 32 and a plurality of gaskets 33, wherein the adjustable sealing ring 31 and the plurality of gaskets 33 are made of rubber, and the limiting sleeve 32 is made of hard plastic or hardware; an annular groove 311 is formed on the outer peripheral surface of the adjustable sealing ring 31 around the axis thereof; after the plug housing 1, the sealing assembly 3 and the tail cover 2 are assembled, two side surfaces of the adjustable sealing ring 31 are respectively abutted with the limiting sleeve 32 and the gasket 33, wherein the side surface of the gasket 33 away from the adjustable sealing ring 31 is abutted with the inner wall of the tail cover 2, and the end part of the limiting sleeve 32 away from the adjustable sealing ring 31 is abutted with one end of the plug housing 1, so that the assembly of the sealing assembly 3 is realized.

Referring to fig. 3, when the diameter size of the cable to which the energy storage connector is connected is small, the inner diameter size of the adjustable sealing ring 31 can be adjusted by increasing the number of washers 33; after the tail cap 2 and the plug housing 1 are assembled, due to the increase of the number of the washers 33, the washers 33 and the limit sleeves 32 respectively squeeze the two sides of the adjustable sealing ring 31, so that the inner wall of the adjustable sealing ring 31 contracts in a direction close to the axis of the adjustable sealing ring 31, and the inner diameter size of the adjustable sealing ring 31 is reduced, so that a cable with smaller diameter size can be used.

Referring to fig. 3, the cross-sectional shape of the annular groove 311 is circular arc, and compared with the annular groove 311 with square cross-sectional shape, the circular arc-shaped annular groove 311 is easier to process, and meanwhile, the circular arc-shaped cross-sectional shape of the annular groove 311 can reduce the stress concentration degree of the adjustable sealing ring 31 and improve the pressure resistance of the adjustable sealing ring 31. The inner diameter sizes of the gasket 33 and the limiting sleeve 32 are not smaller than the inner diameter size of the adjustable sealing ring 31, so that the influence of the inner diameter sizes of the limiting sleeve 32 and the gasket 33 on the connection of an external connection cable and an energy storage connector is reduced.

Referring to fig. 4 and 5, the plug housing 1 is internally provided with a clamping assembly 4, and when the socket is in plug-in fit with the plug housing 1, stability of the plug housing 1 when in plug-in connection with the socket is enhanced by the clamping assembly 4. The clamping assembly 4 comprises a pressing piece 41, an elastic piece 42 and a fixing piece 43, a mounting cavity 11 for placing the clamping assembly 4 is formed in the plug shell 1, and openings on two sides of the mounting cavity 11 are communicated with the outside; wherein the elastic member 42 is a return spring 421 in a compressed state, when the pressing member 41, the return spring 421 and the fixing member 43 are installed in the installation cavity 11, two ends of the return spring 421 are respectively abutted to the pressing member 41 and the fixing member 43, and the fixing member 43 is fixedly connected with one side opening of the installation cavity 11.

Referring to fig. 4 and 5, a stopper 411 is fixedly provided at opposite positions on the outer circumferential surface of the pressing member 41, the entire contour of the stopper 411 is in the shape of a hook, a stopper slot 111 into which the two stoppers 411 are inserted and slide is provided on the inner wall of the installation cavity 11, and the pressing member 41 is prevented from being separated from the opening of the installation cavity 11 under the extrusion of the restoring spring 421 in a compressed state by the cooperation of the stopper 411 and the stopper slot 111.

Referring to fig. 4 and 6, after the clip assembly 4 is mounted, a part of the pressing piece 41 protrudes out of the mounting cavity 11 under the pressing of the return spring 421; the outer side surface of the pressing piece 41 is provided with a clamping block 412, the outline shape of the clamping block 412 is arc-shaped, the inner wall of the installation cavity 11 is provided with a clamping groove 112 for the clamping block 412 to penetrate and slide, a part of the clamping block 412 extends to the outer side surface of the clamping groove 112, and meanwhile, the outer peripheral surface of the socket is provided with a positioning groove for inserting the protruding part of the clamping block 412.

Referring to fig. 4 and 5, when the socket is plugged with the plug housing 1, the protruding portion of the latch 412 is inserted into the positioning groove on the socket, thereby improving the assembling stability of the socket and the plug housing 1; when the socket and the socket housing need to be separated, the finger of the user presses the pressing piece 41 downwards, so as to drive the clamping block 412 on the pressing piece 41 to be separated from the positioning groove on the socket, and the socket and the plug housing 1 can be separated.

Referring to fig. 7, a plurality of anti-slip grooves 413 are provided on the outer surface of the pressing member 41 protruding from the mounting cavity 11, so that when the pressing member 41 is pressed downward by the user's finger, the possibility of the relative sliding between the user's finger and the outer surface of the pressing member 41 is reduced, and the friction between the finger and the outer surface of the pressing member 41 is increased.

Referring to fig. 5, a positioning pin 431 is fixedly provided on a side surface of the fixing member 43 adjacent to the return spring 421, and the return spring 421 is sleeved on an outer circumferential surface of the positioning pin 431; the side surface of the pressing piece 41, which is close to the reset spring 421, is provided with a fixed groove 414 for the reset spring 421 to be placed in; by the cooperation of the positioning pin 431 and the fixing groove 414, the installation stability of the return spring 421 located in the installation cavity 11 is improved.

The implementation principle of the embodiment of the application is as follows:

when the diameter of the cable connected with the energy storage connector is smaller, the number of the gaskets 33 is increased, after the tail cover 2 and the plug shell 1 are assembled, the gaskets 33 and the limiting sleeves 32 respectively squeeze the two sides of the adjustable sealing ring 31 due to the increase of the number of the gaskets 33, so that the inner wall of the adjustable sealing ring 31 is contracted towards the direction close to the axis of the adjustable sealing ring 31, the inner diameter of the adjustable sealing ring 31 is reduced, and the adjustable sealing ring 31 can be suitable for the cable with smaller diameter;

when the socket is plugged into the plug housing 1, the protruding part of the clamping block 412 on the pressing piece 41 is inserted into the positioning groove on the socket, so that the assembly stability of the socket and the plug housing 1 is improved; when the socket and the socket housing need to be separated, the finger of the user presses the pressing piece 41 downwards, so as to drive the clamping block 412 on the pressing piece 41 to be separated from the positioning groove on the socket, and the socket and the plug housing 1 can be separated.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An energy storage connector comprises a plug shell (1) and a tail cover (2), wherein the plug shell (1) is fixedly connected with the tail cover (2);

the novel tail cover is characterized in that a placing cavity (21) and a sealing assembly (3) positioned inside the placing cavity (21) are arranged inside the tail cover (2), the sealing assembly (3) comprises an adjustable sealing ring (31), a limiting sleeve (32) and a plurality of gaskets (33), two side faces of the adjustable sealing ring (31) are respectively abutted to the limiting sleeve (32) and the gaskets (33), an annular groove (311) is formed in the outer peripheral face of the adjustable sealing ring (31) around the axis of the self, the side face, away from the adjustable sealing ring (31), of the gaskets (33) is abutted to the inner wall of the tail cover (2), and the end portion, away from the adjustable sealing ring (31), of the limiting sleeve (32) is abutted to the end portion, close to the tail cover (2), of the plug shell (1).

2. An energy storage connector according to claim 1, wherein the cross-sectional shape of the annular recess (311) is circular arc.

3. An energy storing connector according to claim 1, wherein the inner diameter of both the limit sleeve (32) and the gasket (33) is not smaller than the inner diameter of the adjustable sealing ring (31).

4. The energy storage connector as claimed in claim 1, wherein a clamping assembly (4) for fixing the socket is arranged in the plug housing (1), the clamping assembly (4) comprises a pressing piece (41), an elastic piece (42) and a fixing piece (43), and a mounting cavity (11) for placing the clamping assembly (4) is formed in the plug housing (1); a limiting block (411) is arranged on the pressing piece (41), a limiting groove (111) for inserting the limiting block (411) is formed in the inner wall of the mounting cavity (11), and two ends of the elastic piece (42) are respectively abutted against the pressing piece (41) and the fixing piece (43);

the elastic piece (42) is in a compressed state, the fixing piece (43) is fixedly connected with the inner wall of the installation cavity (11), and the elastic piece (42) presses the pressing piece (41) to enable a part of the pressing piece (41) to protrude out of the installation cavity (11); the outer side surface of the pressing piece (41) is provided with a clamping block (412), the inner wall of the installation cavity (11) is provided with a clamping groove (112) for the clamping block (412) to penetrate through and slide, and a part of the clamping block (412) protrudes out of the inside of the clamping groove (112) and is simultaneously inserted into a positioning groove on the socket.

5. An energy storage connector as claimed in claim 4, characterized in that the surface of the pressing member (41) protruding from the mounting cavity (11) is provided with anti-slip grooves (413).

6. The energy storage connector as claimed in claim 4, wherein the elastic member (42) is a return spring (421), and both ends of the return spring (421) are respectively abutted against the pressing member (41) and the fixing member (43).

7. The energy storage connector as claimed in claim 6, wherein the fixing member (43) is fixedly provided with a positioning pin (431) near a side surface of the return spring (421), and the return spring (421) is sleeved on an outer circumferential surface of the positioning pin (431).

8. The energy storage connector as claimed in claim 7, wherein a fixing groove (414) into which the return spring (421) is inserted is formed in a side surface of the pressing member (41) adjacent to the return spring (421).