CN218731522U

CN218731522U - Battery lower casing device

Info

Publication number: CN218731522U
Application number: CN202222989667.1U
Authority: CN
Inventors: 洪泽鸿
Original assignee: Foshan Nanhai Fengli Battery Co ltd
Current assignee: Foshan Nanhai Fengli Battery Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a battery inferior valve device, including lower casing, the interior diapire fixedly connected with gasket of casing down, the interior diapire fixedly connected with anchorage bar of casing down, the outer fixed surface of anchorage bar is connected with soft rubber semicircle ball, the upper surface swing joint of anchorage bar has the battery module, the lower fixed surface of battery module is connected with the bottom plate. This lower battery casing device, through the anchorage bar, the movable block, spring and support sleeve's setting, aim at the anchorage bar with the draw-in groove and move down, thereby the anchorage bar moves in the draw-in groove and through the frictional force between the soft rubber semicircle ball increase the two, thereby loosen the movable block of both sides and the spring extension drives the support sleeve and removes and pass the locating hole at the dead lever surface, it is fixed with it to twist the both sides support sleeve's surface with the nut at last, the mode that adopts the joint can be with the firm inside of fixing casing under of battery module, simple to operate and can firmly support battery module.

Description

Battery lower casing device

Technical Field

The utility model relates to the technical field of vehicles, in particular to battery inferior valve device.

Background

With the wide development of new energy application, the pure electric vehicle is also popular in the market. The overall performance of the pure electric vehicle mainly depends on the safety and stability of the battery system, for example, the installation stability of the battery module. In the running process of the pure electric vehicle, the battery module is vibrated to a certain extent due to bumping of a vehicle body or vibration of a motor, and if the battery module cannot be stably fixed, the battery module is easily broken off and short-circuited in a battery case.

The traditional battery case usually adopts the rivet nut to fix the battery module, and the rivet nut is firstly fixed on the bottom plate, and then the battery module is fixed on the rivet nut. However, in the process of fixing the battery module, the rivet nut is easily rotated on the bottom plate, so that the battery module cannot be stably fixed. Simultaneously, when the rivet nut takes place to rotate, can lead to whole battery case to do over again to lead to the battery case course of working to waste time and energy, the cost of manufacture increases. It is therefore necessary to provide a battery lower case device which is convenient for mounting the battery module and can stably support the battery module, and it is therefore necessary to design a battery lower case device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a battery inferior valve device can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a battery lower casing device, includes casing down, the interior diapire fixedly connected with gasket of casing down, the interior diapire fixedly connected with anchorage bar of casing down, the outer fixed surface of anchorage bar is connected with soft rubber semicircle ball, the upper surface swing joint of anchorage bar has the battery module, the lower fixed surface of battery module is connected with the bottom plate, the draw-in groove has been seted up to the lower surface of bottom plate, the battery module leans on the equal fixedly connected with installing frame in both sides down, the installing frame leans on the equal fixedly connected with fixed block of inner wall of well both sides, one side fixedly connected with dead lever of fixed block, the outer surface swing joint of dead lever has the spring, one side fixed connection of spring is in one side of fixed block, the opposite side fixedly connected with supporting sleeve of spring, the casing has seted up the locating hole near one side of supporting sleeve down, the supporting sleeve runs through in one side and the locating hole of installing frame, one side fixedly connected with movable block of supporting sleeve, one side surface threaded connection of supporting sleeve has the nut.

In order to make the purpose that reaches fixed battery module, as the utility model relates to a battery inferior valve device, the size of a dimension of anchorage bar and the size of a dimension looks adaptation of draw-in groove, the anchorage bar is swing joint with the draw-in groove, the inside diameter of support sleeve and the outside diameter looks adaptation of dead lever, the support sleeve is swing joint with the dead lever.

In order to make the purpose of connecting two movable blocks, as the utility model relates to a battery inferior valve device, the quantity of movable block is two, two spacing hole has all been seted up to the inner wall of movable block, the inner wall swing joint in spacing hole has the gag lever post, the gag lever post runs through in spacing hole, the first connecting sleeve of one side fixedly connected with of gag lever post.

In order to make the purpose that reaches fixed movable block, as the utility model relates to a battery inferior valve device, the second adapter sleeve has been cup jointed to the opposite side of gag lever post, fixedly connected with is connected soft area between second adapter sleeve and the first adapter sleeve.

In order to make to reach the purpose of strengthening casing bottom bearing capacity and avoiding casing deformation down, as the utility model relates to a battery inferior valve device, the cavity has been seted up between internal diapire of inferior valve and the lower surface, the welding of inner bottom wall equidistance of cavity has vertical stiffener, the inner wall equidistance of cavity has set firmly horizontal stiffener.

In order to make to reach the purpose of being convenient for install casing and lower casing, as the utility model relates to a battery inferior valve device, threaded hole has been seted up to the upper surface of casing down, the screw hole symmetry sets up the upper surface of casing under.

In order to make to reach the purpose of avoiding dust to enter into the internal portion of inferior valve from the support sleeve inside, conduct the utility model relates to a battery inferior valve device, the inner wall grafting that fixed block one side was kept away from to the support sleeve has sealed the jam.

In order to make the purpose of reaching the installation of being convenient for and dismantling sealed jam, conduct the utility model relates to a battery inferior valve device, one side fixedly connected with pull ring of sealed jam.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through the draw-in groove, the anchorage bar, the movable block, a nut, spring and support sleeve's setting, aim at the anchorage bar with the draw-in groove and move down, thereby the anchorage bar moves in the draw-in groove and through the frictional force between the two of the soft rubber semicircle ball increase that its surface set up, then loosen the movable block of the inside both sides of installing frame, thereby the spring extends and drives the support sleeve and remove and pass the locating hole at the surface of dead lever, it can be fixed with the support sleeve to twist the both sides support sleeve's surface with the nut at last, the mode of adoption joint can be with the firm inside of fixing casing under of battery module, simple to operate and can firmly support battery module.

2. The utility model discloses in, through vertical stiffener, horizontal stiffener, the setting of casing and sealed jam down, vertical stiffener is perpendicular setting with horizontal stiffener, the bearing capacity of casing bottom can be strengthened down and the casing can be avoided warping down in vertical stiffener and the setting of horizontal stiffener, and then can stabilize the support battery module, the size of a dimension of sealed jam and the size of a dimension looks adaptation of support sleeve inner wall, thereby insert the damage that the internal portion of casing caused the part under dust can be avoided entering into from the inside of support sleeve to sealed jam, thereby play sealed effect.

Drawings

Fig. 1 is a schematic front view of a battery lower case device according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a threaded hole of a battery lower case device according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a second connecting sleeve of a battery lower case device according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a soft rubber semi-sphere of a battery lower case device according to embodiment 1 of the present invention;

fig. 5 is a schematic view of a spring structure of a battery lower case device according to embodiment 1 of the present invention;

fig. 6 is a schematic view of a cavity structure of a battery lower case device according to embodiment 1 of the present invention;

fig. 7 is an installation schematic view of the pull ring structure of embodiment 2 of the present invention.

In the figure: 1. a lower housing; 2. a gasket; 3. a fastening rod; 4. a soft rubber semi-sphere; 5. a battery module; 6. a base plate; 7. a card slot; 8. installing a frame; 9. a fixed block; 10. fixing the rod; 11. a spring; 12. a support sleeve; 13. positioning holes; 14. a moving block; 15. a nut; 16. a limiting hole; 17. a limiting rod; 18. a first connecting sleeve; 19. a second connecting sleeve; 20. connecting a soft belt; 21. a cavity; 22. a longitudinal stiffener; 23. a transverse stiffener; 24. a threaded hole; 25. sealing and blocking; 26. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 to 6, a battery lower casing device comprises a lower casing 1, a gasket 2 is fixedly connected to an inner bottom wall of the lower casing 1, a fastening rod 3 is fixedly connected to the inner bottom wall of the lower casing 1, a soft rubber semi-sphere 4 is fixedly connected to an outer surface of the fastening rod 3, a battery module 5 is movably connected to an upper surface of the fastening rod 3, a bottom plate 6 is fixedly connected to a lower surface of the battery module 5, a clamping groove 7 is formed in the lower surface of the bottom plate 6, mounting frames 8 are fixedly connected to two sides of the battery module 5, fixing blocks 9 are fixedly connected to inner walls of the mounting frames 8 near the two sides, a fixing rod 10 is fixedly connected to one side of each fixing block 9, and a spring 11 is movably connected to the outer surface of each fixing rod 10;

in this embodiment, one side of the spring 11 is fixedly connected to one side of the fixing block 9, the other side of the spring 11 is fixedly connected to the supporting sleeve 12, one side of the lower casing 1 close to the supporting sleeve 12 is provided with a positioning hole 13, the supporting sleeve 12 penetrates through one side of the mounting frame 8 and the positioning hole 13, one side of the supporting sleeve 12 is fixedly connected to the moving block 14, and one side of the supporting sleeve 12 is connected to the nut 15 through a thread.

During the specific use, the height that a plurality of battery module 5 can be guaranteed in the setting of gasket 2 is unanimous, need be with the interior diapire of the independent battery module 5 installation of a plurality of fixed casing 1 down, align anchorage bar 3 downstream with draw-in groove 7 that bottom plate 6 lower surface was seted up, thereby anchorage bar 3 moves in draw-in groove 7 and is connected with battery module 5, and thereby can increase the frictional force between draw-in groove 7 and the anchorage bar 3 through the soft rubber semicircle ball 4 that its surface set up and fix battery module 5 in casing 1 down firmly, then loosen the movable block 14 of the inside both sides of installing frame 8, thereby spring 11 extends and drives supporting sleeve 12 and remove and pass locating hole 13 at the surface of dead lever 10, it can be fixed supporting sleeve 12 to twist nut 15 to the surface of both sides supporting sleeve 12 at last, thereby fix battery module 5 in casing 1's inside firmly, simple to operate and can firmly support battery module 5.

In this embodiment, the size of fastening rod 3 and the size of draw-in groove 7 are the looks adaptation, and fastening rod 3 is swing joint with draw-in groove 7, and the inside diameter of support sleeve 12 and the outside diameter looks adaptation of dead lever 10, support sleeve 12 are swing joint with dead lever 10.

During the specific use, thereby the size of dimension of anchorage bar 3 and the size of dimension looks adaptation of draw-in groove 7 can be fixed battery module 5 at the inner diapire of casing 1 down, the inside diameter of support sleeve 12 and the outside diameter looks adaptation of dead lever 10 to support sleeve 12 can move at the surface of dead lever 10.

In this embodiment, the number of the moving blocks 14 is two, the two moving blocks 14 are movably connected inside the mounting frame 8 and symmetrically arranged, the inner walls of the two moving blocks 14 are provided with limiting holes 16, the inner walls of the limiting holes 16 are movably connected with limiting rods 17, the limiting rods 17 penetrate through the limiting holes 16, and one sides of the limiting rods 17 are fixedly connected with first connecting sleeves 18.

When the device is used specifically, the first connecting sleeve 18 and the limiting rod 17 are arranged, the first connecting sleeve 18 can play a role in supporting and fixing the limiting rod 17 on the inner wall of the limiting hole 16, and the limiting rod 17 can play a role in connecting the two moving blocks 14.

In this embodiment, the other side of the limiting rod 17 is sleeved with a second connecting sleeve 19, and a connecting soft belt 20 is fixedly connected between the second connecting sleeve 19 and the first connecting sleeve 18.

When the mounting device is used specifically, the second connecting sleeve 19 and the soft connecting belt 20 are installed and arranged, when the moving blocks 14 on two sides need to be connected and fixed, the moving blocks 14 on two sides are moved to one side of the fixing block 9 by two hands, the moving block 14 drives the supporting sleeve 12 to move inwards on the outer surface of the fixing rod 10, so that the spring 11 is squeezed and compressed, after the moving block 14 is moved to a certain position, the limiting rod 17 is inserted from one side of the limiting hole 16, then the second connecting sleeve 19 is sleeved on one side of the limiting rod 17, so that the two moving blocks 14 are connected and fixed, and the supporting sleeve 12 is fixed inside the mounting frame 8.

In this embodiment, a cavity 21 is formed between the bottom wall and the lower surface of the lower shell 1, longitudinal reinforcing rods 22 are welded to the inner bottom wall of the cavity 21 at equal intervals, and transverse reinforcing rods 23 are fixedly arranged on the inner wall of the cavity 21 at equal intervals.

During the specific use, the installation sets up cavity 21, vertical stiffener 22 and horizontal stiffener 23, and vertical stiffener 22 is perpendicular setting with horizontal stiffener 23, and the bearing capacity of casing 1 bottom can be strengthened down in the setting of vertical stiffener 22 and horizontal stiffener 23 to can stabilize support battery module 5, and can avoid casing 1 to warp down.

In this embodiment, a screw hole 24 is opened on the upper surface of the lower case 1, and the screw hole 24 is symmetrically disposed on the upper surface of the lower case 1.

During the specific use, the installation sets up screw hole 24, will go up the casing and place casing 1's upper surface down, will go up the screw hole 24 of casing and the screw hole 24 of casing 1 upper surface down corresponding, then twist into casing and casing 1's screw hole 24 inside with the screw to it is fixed with casing 1 looks equipment down, easy to assemble and dismantlement to go up the casing.

In the present exemplary embodiment, a sealing plug 25 is plugged into the inner wall of the support sleeve 12 on the side facing away from the fastening block 9.

During the specific use, the installation sets up sealed 25 that blocks up, and the size of a dimension of sealed 25 blocks up and the size of a dimension looks adaptation of support sleeve 12 inner wall to sealed 25 that blocks up can play sealed effect, avoids dust to enter into the inside damage that causes the part of casing 1 down from the inside of support sleeve 12.

The working principle is as follows: the gasket 2 is arranged to ensure that the heights of the plurality of battery modules 5 are consistent, when the plurality of independent battery modules 5 are required to be installed and fixed on the inner bottom wall of the lower shell 1, the movable blocks 14 on two sides in the initial state installation frame 8 are fixedly connected together through the connecting soft belt 20, the limiting rod 17 and the second connecting sleeve 19, the clamping groove 7 formed in the lower surface of the bottom plate 6 fixedly connected to the lower surface of the battery module 5 is aligned with the fastening rod 3 to move downwards in the first step, so that the fastening rod 3 moves into the clamping groove 7 to be connected with the battery module 5, the friction force between the clamping groove 7 and the fastening rod 3 can be increased through the soft rubber semi-spherical ball 4 arranged on the outer surface of the soft rubber semi-spherical ball 4, so that the battery module 5 is stably fixed in the lower shell 1, in the second step, the second connecting sleeve 19 is taken down from the outer surface on one side of the limiting rod 17, then the first connecting sleeve 18 drives the limiting rod 17 to move towards the outside of the limiting hole 16 through the connecting soft belt 20, so that the movable blocks 14 on two sides are not fixed together, the spring 11 extends to drive the supporting sleeve 12 to move on the outer surface of the fixed rod 10 and pass through the positioning hole 13, and the positioning hole 15, and the movable blocks 14 can be firmly fixed on the outer surface of the battery module 5, and the fixed sleeve 12, and the battery module can be firmly fixed on the inner bottom shell 1, and the fixed sleeve 12, and the battery module 5 can be conveniently and the fixed on the inner bottom shell 1.

Example 2

As shown in fig. 7, the distinguishing features of this embodiment that distinguish embodiment 1 are: a pull ring 26 is fixedly connected to one side of the sealing plug 25.

When the sealing plug is used specifically, the pull ring 26 is arranged, the pull ring 26 is pulled to drive the sealing plug 25 to move outwards on the inner wall of the supporting sleeve 12, and therefore the sealing plug 25 can be taken out, cleaned and replaced.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, but only by the description of the above embodiments and the description, without departing from the spirit and scope of the present invention, the present invention can also have various changes and modifications, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A battery lower case device comprising a lower case (1), characterized in that: the inner bottom wall of the lower shell (1) is fixedly connected with a gasket (2), the inner bottom wall of the lower shell (1) is fixedly connected with a fastening rod (3), the outer surface of the fastening rod (3) is fixedly connected with a soft rubber semi-sphere (4), the upper surface of the fastening rod (3) is movably connected with a battery module (5), the lower surface of the battery module (5) is fixedly connected with a bottom plate (6), the lower surface of the bottom plate (6) is provided with a clamping groove (7), two sides of the battery module (5) close to the lower part are both fixedly connected with an installation frame (8), the inner walls of the installation frame (8) close to the middle parts are both fixedly connected with fixing blocks (9), one side of each fixing block (9) is fixedly connected with a fixing rod (10), and the outer surface of each fixing rod (10) is movably connected with a spring (11);

one side of the spring (11) is fixedly connected to one side of the fixing block (9), the other side of the spring (11) is fixedly connected with a supporting sleeve (12), one side, close to the supporting sleeve (12), of the lower shell (1) is provided with a positioning hole (13), the supporting sleeve (12) penetrates through one side of the mounting frame (8) and the positioning hole (13), one side of the supporting sleeve (12) is fixedly connected with a moving block (14), and the outer surface of one side of the supporting sleeve (12) is in threaded connection with a nut (15).

2. A battery lower case device according to claim 1, wherein: the size of a dimension of anchorage bar (3) and the size of a dimension looks adaptation of draw-in groove (7), anchorage bar (3) are swing joint with draw-in groove (7), the internal diameter of support sleeve (12) and the external diameter looks adaptation of dead lever (10), support sleeve (12) are swing joint with dead lever (10).

3. A battery lower case device according to claim 2, wherein: the number of the moving blocks (14) is two, the two moving blocks (14) are movably connected inside the mounting frame (8) and are symmetrically arranged, limiting holes (16) are formed in the inner walls of the two moving blocks (14), limiting rods (17) are movably connected to the inner walls of the limiting holes (16), the limiting rods (17) penetrate through the limiting holes (16), and first connecting sleeves (18) are fixedly connected to one sides of the limiting rods (17).

4. A battery lower case device according to claim 3, wherein: and a second connecting sleeve (19) is sleeved on the other side of the limiting rod (17), and a connecting soft belt (20) is fixedly connected between the second connecting sleeve (19) and the first connecting sleeve (18).

5. A battery lower case device according to claim 1, wherein: cavity (21) have been seted up between diapire and the lower surface in lower casing (1), the welding of inner diapire equidistance of cavity (21) has vertical stiffener (22), the inner wall equidistance of cavity (21) has set firmly horizontal stiffener (23).

6. A battery lower case device according to claim 1, wherein: the upper surface of the lower shell (1) is provided with threaded holes (24), and the threaded holes (24) are symmetrically arranged on the upper surface of the lower shell (1).

7. A battery lower case device according to claim 1, wherein: and a sealing plug (25) is inserted into the inner wall of one side of the supporting sleeve (12) far away from the fixing block (9).

8. A battery lower case device according to claim 7, wherein: and one side of the sealing plug (25) is fixedly connected with a pull ring (26).