CN210866335U

CN210866335U - Lithium battery cover plate

Info

Publication number: CN210866335U
Application number: CN201922003688.XU
Authority: CN
Inventors: 王志勇
Original assignee: Yangzhou Qianyu Electric Co ltd
Current assignee: Yangzhou Qianyu Electric Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-26
Anticipated expiration: 2029-11-19

Abstract

The utility model provides a lithium battery cover plate. Lithium cell apron, including the bottom plate, the equal fixedly connected with auxiliary fixture in both sides at bottom plate top, two connecting device has been run through at auxiliary fixture's top, the spliced pole has all been run through in the both sides of bottom plate bottom, two the bottom that auxiliary fixture was all run through at the top of spliced pole just extends to two auxiliary fixture's inside, two the equal fixedly connected with contact block in bottom of spliced pole, the bottom fixedly connected with rubber circle of bottom plate, the bottom of bottom plate just is located the rear side fixedly connected with rubber pad of rubber circle. The utility model provides a lithium cell apron has connecting device's design, and such connecting device that just can change according to the demand of electric current size, can directly carry out the change of different thicknesses according to the contact lever on the electric quantity size with connecting device like this, and such just can reach controls the size of battery power supply volume through changing connecting device.

Description

Lithium battery cover plate

Technical Field

The utility model relates to a battery apron field especially relates to a lithium cell apron.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium battery becomes a mainstream at present along with the development of scientific technology.

At present the lithium cell all controls the size of the electric current that the lithium cell discharged through external controlling means when using, probably because the electric current size when battery self discharges is different with the electric current size when using in some times, even the electric current when using can not change like this, but still need link a device that can change the electric current size when using, but like this will increase use cost when the battery uses.

Therefore, it is necessary to provide a cover plate for a lithium battery to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium battery cover plate has solved the problem of the size of unable through apron direct control battery electric quantity.

For solving the technical problem, the utility model provides a lithium battery cover plate, including the bottom plate, the supplementary fixing device of the equal fixedly connected with in both sides at bottom plate top, two connecting device has been run through at supplementary fixing device's top, the spliced pole has all been run through to the both sides of bottom plate bottom, two the bottom that supplementary fixing device was all run through at the top of spliced pole just extends to two the inside of supplementary fixing device, two the equal fixedly connected with contact piece in bottom of spliced pole, the bottom fixedly connected with rubber circle of bottom plate, the bottom of bottom plate just is located the rear side fixedly connected with rubber pad of rubber circle.

Preferably, supplementary fixing device includes supplementary shell, the bottom of supplementary shell and the top fixed connection of bottom plate, the both sides of supplementary shell inner wall bottom all rotate and are connected with the rotor plate, two the top of the relative one side of rotor plate all rotates and is connected with the lagging, is provided with the sensing plate between the relative one side of two lagging, the bottom of supplementary shell is provided with flexible post, the top of flexible post and the bottom fixed connection of sensing plate, two the bottom of rotor plate all is provided with pressure spring, two pressure spring's bottom all with the bottom fixed connection of supplementary shell inner wall.

Preferably, the connection device includes a connection housing, a surface of which and a bottom of the auxiliary fixture penetrate a top of the auxiliary fixture and extend to an inside of the auxiliary fixture.

Preferably, the sliding plates are connected to two sides of the bottom of the inner wall of the connecting shell in a sliding mode, the two separated sides of the sliding plates are provided with limiting plates, the two separated sides of the limiting plates penetrate through the connecting shell and extend to the outside of the connecting shell, the connecting rods are rotatably connected to two sides of the top of the connecting shell, the bottom of each connecting rod is fixedly connected with a toothed block, the bottom of each toothed block penetrates through the sliding plate and extends to the inside of the sliding plate, toothed notches matched with the toothed blocks are formed in the two sliding plates, and the contact rod penetrates through the top of the connecting shell.

Preferably, a rotating button penetrates through the left side of the top of the connecting shell, and a clamping button ring is arranged on the left side of the top of the connecting shell and positioned on the surface of the rotating button.

Preferably, the surface of the two connecting rods is provided with an auxiliary gear, the surface of the contact rod is provided with a rotating gear, and the rotating gear is meshed with the two auxiliary gears.

Preferably, the two sides of the bottom plate are fixedly connected with connecting plates, the top of each connecting plate is fixedly connected with a resistance spring, and the top of each resistance spring is fixedly connected with a top plate.

Preferably, a supporting block is arranged between the opposite sides of the two auxiliary fixing devices, and the bottom of the supporting block is fixedly connected with the top of the bottom plate.

Compared with the prior art, the utility model provides a lithium cell apron has following beneficial effect:

the utility model provides a lithium battery cover plate, the design of a connecting device, which can change the connecting device according to the demand of current, so that the contact rod on the connecting device can be directly changed with different thicknesses according to the electric quantity, the power supply of the battery can be controlled by changing the connecting device, and meanwhile, when the connection between the electric wire and the connecting device is unstable, the connecting device can be changed to ensure the normal use of the battery, the design can increase the practicability of the device, the efficiency of the battery in use can be improved, the design of an auxiliary fixing device can better fix the connecting device through the auxiliary fixing device, and the pressure spring on the auxiliary fixing device is matched with a sleeve plate for use, the stability of the direct contact between a sensing plate and the contact rod can be increased, secondly, the limit plate on the connecting device can be pressed against the inner wall of the auxiliary shell, so that the stability of the connecting device fixed on the auxiliary fixing device is increased, the safety of the device in use is improved, the practicability of the device in use is improved, the design of the rubber pad and the rubber ring can reduce the friction force between the cover plate and the battery through the rubber pad and the rubber ring when the cover plate is connected with the battery, so that the battery can be prevented from being damaged due to overlarge pressure between the cover plate and the battery when the cover plate and the battery are installed, electric arcs are generated between the battery and the contact block when the battery is discharged, the rubber ring can prevent the electric arcs from being discharged, the safety of the battery in use is increased, on one hand, the safety of the battery is directly ensured, and the design of the support block can prevent the inner wall of the auxiliary fixing device from being bent when the connecting device is installed, the resistance spring on the connecting plate is used in cooperation with the top plate, so that the force generated when a part of screws are installed can be reduced when the cover plate and the battery are installed by the screws, the force for protecting the battery when the cover plate is installed can be increased, and the practicability of the cover plate is improved.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a lithium battery cover plate according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the rubber ring shown in FIG. 1;

FIG. 4 is a schematic view of the auxiliary fixture shown in FIG. 1;

FIG. 5 is a schematic view of the connection device shown in FIG. 1;

fig. 6 is a top view of the slide plate shown in fig. 5.

Reference numbers in the figures: 1. the device comprises a bottom plate, 2, an auxiliary fixing device, 3, a connecting device, 4, a contact block, 5, a rubber ring, 6, a rubber pad, 7, a connecting plate, 8, a resistance spring, 9, a top plate, 10, a supporting block, 11, a connecting column, 21, an auxiliary shell, 22, a rotating plate, 23, a sleeve plate, 24, a sensing plate, 25, a telescopic column, 26, a pressure spring, 301, a connecting shell, 302, a sliding plate, 303, a limiting plate, 304, a connecting rod, 305, a toothed block, 306, a rotating gear, 307, a contact rod, 308, a rotating button, 309, a clamping button ring, 310 and an auxiliary gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a lithium battery cover plate according to the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; FIG. 3 is a schematic structural view of the rubber ring shown in FIG. 1; FIG. 4 is a schematic view of the auxiliary fixture shown in FIG. 1; FIG. 5 is a schematic view of the connection device shown in FIG. 1; fig. 6 is a top view of the slide plate shown in fig. 5. The lithium battery cover plate comprises a bottom plate 1, auxiliary fixing devices 2 are fixedly connected with both sides of the top of the bottom plate 1, a connecting device 3 penetrates through the tops of the two auxiliary fixing devices 2, connecting columns 11 penetrate through two sides of the bottom plate 1, the connecting columns 11 are made of materials capable of conducting electricity, the tops of the two connecting columns 11 penetrate through the bottoms of the auxiliary fixing devices 2 and extend into the two auxiliary fixing devices 2, contact blocks 4 are fixedly connected to the bottoms of the two connecting columns 11, the contact block 4 can transmit electricity and is contacted with the positive electrode and the negative electrode on the battery, the bottom of the bottom plate 1 is fixedly connected with a rubber ring 5, the bottom of the bottom plate 1 is fixedly connected with a rubber pad 6 at the rear side of the rubber ring 5, the rubber pad 6 is located at the bottom of the bottom plate 1, and the rubber ring 5 is arranged at the bottom of the bottom plate 1 and wound around the bottom of the bottom plate 1 for a circle.

Supplementary fixing device 2 includes supplementary shell 21, the bottom of supplementary shell 21 and the top fixed connection of bottom plate 1, the both sides of supplementary shell 21 inner wall bottom are all rotated and are connected with rotor plate 22, two the top of the relative one side of rotor plate 22 is all rotated and is connected with lagging 23, is provided with sensing plate 24 between the relative one side of two lagging 23, sensing plate 24 can electrically conduct and inside lagging 23 can contract into sensing plate 24, the bottom of supplementary shell 21 is provided with flexible post 25, the top of flexible post 25 and sensing plate 24's bottom fixed connection, two the bottom of rotor plate 22 all is provided with pressure spring 26, two pressure spring 26's bottom all with the bottom fixed connection of supplementary shell 21 inner wall, flexible post 25 can electrically conduct.

The connection device 3 includes a connection housing 301, and a surface of the connection housing 301 and a bottom of the auxiliary fixture 2 penetrate through a top of the auxiliary fixture 2 and extend to an inside of the auxiliary fixture 2.

Sliding plates 302 are slidably connected to both sides of the bottom of the inner wall of the connecting shell 301, a limiting plate 303 is arranged on each side of the two sliding plates 302 away from each other, a limiting block for preventing the limiting plates 303 from sliding out too much is arranged on each limiting plate 303, each side of the two limiting plates 303 away from each other penetrates through the connecting shell 301 and extends to the outside of the connecting shell 301, connecting rods 304 are rotatably connected to both sides of the top of the connecting shell 301, toothed blocks 305 are fixedly connected to the bottoms of the two connecting rods 304, the bottoms of the two toothed blocks 305 penetrate through the sliding plates 302 and extend to the inside of the sliding plates 302, toothed notches matched with the toothed blocks 305 are formed in the two sliding plates 302, teeth are arranged on the toothed blocks 305, grooves matched with the teeth are formed in the toothed notches of the sliding plates 302 and engaged with the teeth, a contact rod 307 penetrates through the top of the connecting shell 301, the contact bar 307 is in contact with the sensor plate 24 and the contact bar 307 may be electrically conductive.

The rotating button 308 penetrates through the left side of the top of the connecting shell 301, a button ring 309 is arranged on the left side of the top of the connecting shell 301 and located on the surface of the rotating button 308, and the button ring 309 can clamp the column rotating button 308 to ensure that the rotating button 308 cannot rotate.

The surfaces of the two connecting rods 304 are provided with auxiliary gears 310, the surface of the contact rod 307 is provided with a rotating gear 306, and the rotating gear 306 is meshed with the two auxiliary gears 310.

The equal fixedly connected with connecting plate 7 in both sides of bottom plate 1, two the equal fixedly connected with resistance spring 8 in top of connecting plate 7, two the equal fixedly connected with roof 9 in top of resistance spring 8, the top and the bottom that just are located resistance spring 8 on same vertical line on connecting plate 7 and roof 9 are provided with the screw hole, the bottom of connecting plate 7 is provided with the soft board.

A supporting block 10 is arranged between the opposite sides of the two auxiliary fixing devices 2, and the bottom of the supporting block 10 is fixedly connected with the top of the bottom plate 1.

The utility model provides a lithium battery cover plate's theory of operation as follows:

firstly connecting a cover plate on a battery, contacting two contact blocks 4 on the cover plate with two electrodes on the battery, then fixing the cover plate on a connecting plate 7 by using screws, after fixing the cover plate on the lithium battery, fixedly connecting wires of a device needing power supply with contact rods 307 on two connecting devices 3 respectively, thus completing the connection between the device and the battery, when the contact points need to be replaced, firstly removing a clamping button ring 309, then rotating a rotating button 308, thus driving a toothed block 305 to rotate through a connecting rod 304 when the rotating button 308 rotates, simultaneously rotating two auxiliary gears 310 through a rotating gear 306 when the connecting rod 304 rotates, at the moment, two toothed blocks 305 will rotate inside a sliding plate 302, because the sliding plate 302 and the gears on the toothed blocks 305 exist between grooves, thus the sliding plate 302 will move left and right due to the rotation of the toothed blocks 305, at this moment, the limiting plate 303 also moves when the sliding plate 302 moves, so that the limiting plate 303 can be retracted into the connecting shell 301, in this way, the connecting device 3 can be taken out, then a new connecting device 3 is installed on the auxiliary fixing device 2, when the connecting device 3 is installed, the connecting device 3 firstly lowers the sensing plate 24, then the sensing plate 24 is pressed downwards, the rotating button 308 on the connecting device 3 is rotated to enable the limiting plate 303 to extend out to be clamped on the auxiliary shell 21, when the battery is powered, the current is firstly transmitted to the connecting column 11 through the contact block 4, then the current on the connecting column 11 is transmitted to the sensing plate 24 through the telescopic column 25, and because the sensing plate 24 is in contact with the contact rod 307, the contact rod can directly transmit the current to the wire connected to the connecting device 3.

the design of the connecting device 3 can change the connecting device according to the requirement of the current, so that the contact rod 307 on the connecting device 3 can be directly changed with different thicknesses according to the electric quantity, the battery power supply quantity can be controlled by changing the connecting device 3, and meanwhile, when the electric wire is connected with the connecting device 3 unstably, the connecting device 3 can be changed to ensure the normal use of the battery when the connecting point is burnt out by the current, the design of the auxiliary fixing device 2 can increase the practicability of the device, can improve the efficiency of the battery in use, can better fix the connecting device 3 by the auxiliary fixing device 2, and can increase the stability of the direct contact between the sensing plate 24 and the contact rod 307 by the matching of the pressure spring 26 on the auxiliary fixing device 2 and the sleeve plate 23, secondly, the limit plate 303 on the connecting device 3 can be pressed against the inner wall of the auxiliary shell 21, so that the stability of the connecting device 3 fixed on the auxiliary fixing device 2 is increased, the safety of the device in use is improved, the practicability of the device in use is improved, the rubber pad 6 and the rubber ring 5 are designed, so that when the cover plate is connected with the battery, the friction force between the cover plate and the battery can be reduced through the rubber pad 6 and the rubber ring 5, the battery can be prevented from being damaged due to overlarge pressure during installation between the cover plate and the battery, electric arcs are generated between the battery and the contact block 4 during discharging, the rubber ring 5 can prevent the electric arcs from being emitted, the safety of the battery in use is increased, the safety of the battery is directly ensured on one hand, and the design of the support block 10 is improved, the condition that the inner wall of the auxiliary fixing device 2 is bent when the connecting device 3 is installed can be prevented, the resistance spring 8 on the connecting plate 7 is matched with the top plate 9, the force generated when a part of screws are installed can be reduced when the cover plate and the battery are installed through the screws, the force for protecting the battery when the cover plate is installed can be increased, and the practicability of the cover plate is improved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A lithium battery cover plate comprises a bottom plate (1), and is characterized in that: the utility model discloses a bottom plate (1) is fixed on the bottom plate, and is characterized by including bottom plate (1) the top of both sides equal fixedly connected with auxiliary fixture (2), two connecting device (3) has been run through at the top of auxiliary fixture (2), the both sides of bottom plate (1) bottom have all run through spliced pole (11), two the bottom that auxiliary fixture (2) all run through at the top of spliced pole (11) just extends to two the inside of auxiliary fixture (2), two the equal fixedly connected with contact block (4) in bottom of spliced pole (11), the bottom fixedly connected with rubber circle (5) of bottom plate (1), the bottom of bottom plate (1) just is located the rear side fixedly connected with rubber pad (6) of rubber circle (5).

2. The lithium battery cover plate according to claim 1, wherein the auxiliary fixing device (2) comprises an auxiliary shell (21), the bottom of the auxiliary shell (21) is fixedly connected with the top of the bottom plate (1), two rotating plates (22) are rotatably connected to two sides of the bottom of the inner wall of the auxiliary shell (21), two sleeve plates (23) are rotatably connected to the top of one side, opposite to the rotating plates (22), of each sleeve plate (23), a sensing plate (24) is arranged between the two opposite sides of each sleeve plate (23), a telescopic column (25) is arranged at the bottom of the auxiliary shell (21), the top of each telescopic column (25) is fixedly connected with the bottom of the sensing plate (24), two pressure springs (26) are arranged at the bottoms of the rotating plates (22), and two bottoms of the pressure springs (26) are fixedly connected with the bottom of the inner wall of the auxiliary shell (21).

3. The lithium battery cover plate according to claim 1, wherein the connecting means (3) comprises a connecting shell (301), and a surface of the connecting shell (301) and a bottom of the auxiliary fixing means (2) penetrate through a top of the auxiliary fixing means (2) and extend to an inside of the auxiliary fixing means (2).

4. The lithium battery cover plate according to claim 3, wherein sliding plates (302) are slidably connected to two sides of the bottom of the inner wall of the connecting shell (301), a limiting plate (303) is arranged on each side of the two sliding plates (302) away from each other, each side of the two limiting plates (303) away from each other penetrates through the connecting shell (301) and extends to the outside of the connecting shell (301), the connecting shell is characterized in that connecting rods (304) are rotatably connected to two sides of the top of the connecting shell (301), two connecting rods (304) are fixedly connected to the bottoms of the connecting rods (304) respectively and fixedly connected with toothed blocks (305), the bottoms of the toothed blocks (305) respectively penetrate through the sliding plate (302) and extend to the inside of the sliding plate (302), two toothed notches matched with the toothed blocks (305) are formed in the sliding plate (302), and contact rods (307) penetrate through the top of the connecting shell (301).

5. The lithium battery cover plate according to claim 3, wherein a knob (308) penetrates through the left side of the top of the connecting shell (301), and a button ring (309) is arranged on the left side of the top of the connecting shell (301) and positioned on the surface of the knob (308).

6. The lithium battery cover plate as claimed in claim 4, wherein the surfaces of the two connection bars (304) are provided with auxiliary gears (310), the surface of the contact bar (307) is provided with a rotation gear (306), and the rotation gear (306) is engaged with the two auxiliary gears (310).

7. The lithium battery cover plate according to claim 1, wherein connecting plates (7) are fixedly connected to both sides of the bottom plate (1), resistance springs (8) are fixedly connected to the tops of the two connecting plates (7), and top plates (9) are fixedly connected to the tops of the two resistance springs (8).

8. The lithium battery cover plate according to claim 1, wherein a supporting block (10) is arranged between two opposite sides of the auxiliary fixing device (2), and the bottom of the supporting block (10) is fixedly connected with the top of the bottom plate (1).