CN213026336U

CN213026336U - Battery box and electric vehicle

Info

Publication number: CN213026336U
Application number: CN202021548861.0U
Authority: CN
Inventors: 周环羽; 李治国; 高延颖; 陈鹏
Original assignee: Yadea Technology Group Co Ltd
Current assignee: Yadea Technology Group Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-20
Anticipated expiration: 2030-07-30

Abstract

The utility model provides a battery case and electric motor car relates to electric motor car technical field. The battery box comprises a box body, a battery cavity is arranged in the box body, a battery is arranged in the battery cavity, and a cavity opening of the battery cavity is communicated with the outside of the box body; the mounting ring frame is provided with a mounting opening, the box body is arranged at the mounting opening of the mounting ring frame and connected with the mounting ring frame, and the mounting ring frame is connected with a frame of the electric vehicle; the cover body is arranged at the cavity opening and can cover the cavity opening, and one end of the cover body is hinged with the box body through a plastic hinge structure; and the locking structure is arranged on the cover body, and the other end of the cover body can be locked or unlocked with the locking structure. The utility model provides an electric motor car includes foretell battery case.

Description

Battery box and electric vehicle

Technical Field

The utility model relates to an electric motor car technical field especially relates to a battery case and electric motor car.

Background

The electric motor car adopts the lithium cell as the driving source, installs the lithium cell on the frame of electric motor car for being convenient for, sets up the battery case among the prior art on the frame of electric motor car, and the battery case is used for settling the lithium cell to the realization is to the installation of lithium cell. However, current battery case adopts the hinge of iron to realize the articulated between lid and the box body, and iron hinge structure has that the deformation volume is big, the cooperation precision is low, the lid easily rocks, poor stability and easy corrosion's shortcoming, leads to the whole quality of battery case relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery case and electric motor car, the battery of the electric motor car of being convenient for change does benefit to the realization to the protection of battery, prolongs the life-span of battery, and the plastics hinge structure who adopts simultaneously has that the deformation volume is little, cooperation precision manuscript, lid are difficult for rocking, stability is higher, and can not take place the advantage of corrosion.

To achieve the purpose, the utility model adopts the following technical proposal:

an aspect of the utility model is to provide a battery box, include:

the battery box comprises a box body, a battery and a battery cover, wherein a battery cavity is formed in the box body, a battery is arranged in the battery cavity, and a cavity opening of the battery cavity is communicated with the outside of the box body;

the mounting ring frame is provided with a mounting opening, the box body is arranged at the mounting opening of the mounting ring frame and connected with the mounting ring frame, and the mounting ring frame is connected with a frame of the electric vehicle;

the cover body is arranged at the cavity opening and can cover the cavity opening, and one end of the cover body is hinged with the box body through a plastic hinge structure;

and the locking structure is arranged on the cover body, and the other end of the cover body can be locked or unlocked with the locking structure.

Optionally, the locking structure comprises:

the lock box is arranged on the outer side of the box body and is arranged at a position close to the cavity opening;

a latch hook mounted on the latch case;

the lock catch is installed at the other end of the cover body, the lock hook can be buckled with the lock catch, and when a key acts on the lock box, the lock hook can be loosened from the lock catch.

Optionally, the number of the lock hooks is at least two, and the lock catches are arranged in one-to-one correspondence with the lock hooks.

Optionally, the plastic hinge structure is disposed between one end of the cover and the box, and one end of the cover is rotatably connected to the box through the plastic hinge structure.

Optionally, the plastic hinge structure comprises:

the ring sleeve is arranged on one edge of the cavity opening;

the rotating shaft penetrates through the ring sleeve and is connected with the cover body, and the rotating shaft can rotate relative to the ring sleeve.

Optionally, the cover comprises:

one end of the inner cover is rotatably connected with the box body, and the other end of the inner cover can be locked or unlocked with the locking structure;

and the outer cover is arranged on one side of the inner cover, which is far away from the battery cavity, and is connected with the inner cover.

Optionally, the inner cup towards one side of enclosing cover is provided with many strengthening ribs, many the strengthening rib is cellular setting.

Optionally, a connecting piece is arranged on the periphery of the cavity opening, and the connecting piece is detachably connected with the side wall of the mounting opening.

Optionally, the battery case further comprises a sealing ring, the sealing ring is arranged between the cover body and the case body, and when the cover body covers the cavity opening, the sealing ring can seal a gap between the case body and the cover body.

The utility model discloses another aspect provides an electric motor car, including frame and foretell battery case, the battery case is installed on the frame.

The utility model has the advantages that:

the utility model provides a battery case includes box body, installation ring frame, lid and locking structure. A battery cavity is arranged in the box body, the battery is arranged in the battery cavity, and a cavity opening of the battery cavity is communicated with the outside of the box body. The mounting ring frame is provided with a mounting opening, the box body is arranged at the mounting opening of the mounting ring frame and connected with the mounting ring frame, and the mounting ring frame is connected with a frame of the electric vehicle. The cover body is arranged at the cavity opening and can cover the cavity opening, and one end of the cover body is rotatably connected with the box body. The locking structure is installed on the lid, and the other end of lid can lock or unblock with the locking structure. After the other end of the cover body is unlocked from the locking structure, the cover body can rotate relative to the box body to open the cavity opening, and the battery is placed in the battery cavity or taken out of the battery cavity, so that the battery of the electric vehicle can be replaced conveniently; after the other end and the locking structure locking of lid, the lid closes the chamber mouth lid to lock the battery in the battery chamber, and then realize the protection to the battery, the life-span of extension battery. In addition, the plastic hinge structure is adopted to replace an iron hinge structure adopted in the prior art, so that the problems that deformation caused by the adoption of the iron hinge structure is large, the matching precision is low, the cover body is easy to shake and poor in stability, and the cover body and the box body are easy to rust and fall off in the prior art can be solved.

Drawings

Fig. 1 is a schematic structural view illustrating a cover and a case body locked together after a battery is mounted in a battery case according to an embodiment of the present invention;

fig. 2 is an exploded view of fig. 1.

In the figure:

1. mounting a ring frame; 11. an installation port;

2. a box body; 21. a battery cavity; 221. a lock case; 222. a latch hook; 223. locking; 23. a plastic hinge structure; 231. sleeving a ring; 232. a rotating shaft; 24. a connecting member;

3. a cover body; 31. an outer cover; 32. an inner cover; 321. reinforcing ribs;

4. a seal ring;

5. a battery.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention.

Referring to fig. 1 and 2, an aspect of the present invention provides a battery box. The battery case includes box body 2, installation ring frame 1, lid 3 and locking structure. A battery cavity 21 is arranged in the box body 2, the battery 5 is arranged in the battery cavity 21, and a cavity opening of the battery cavity 21 is communicated with the outside of the box body 2. The mounting ring frame 1 is provided with a mounting opening 11, the box body 2 is arranged at the mounting opening 11 of the mounting ring frame 1 and connected with the mounting ring frame 1, and the mounting ring frame 1 is connected with a frame of the electric vehicle. The lid 3 sets up in accent department and can cover the accent, and the one end of lid 3 passes through plastics hinge structure 23 and articulates with box body 2. The locking structure is arranged on the cover body 3, the other end of the cover body 3 can be locked or unlocked with the locking structure, and after the other end of the cover body 3 is unlocked with the locking structure, the cover body 3 can rotate relative to the box body 2 to open the cavity opening, so that the battery 5 is arranged in the battery cavity 21 or the battery 5 is taken out of the battery cavity 21, and the battery 5 of the electric vehicle can be replaced conveniently; after the other end of the cover body 3 is locked with the locking structure, the cover body 3 covers the cavity opening to lock the battery 5 in the battery cavity 21, so that the battery 5 is protected, and the service life of the battery 5 is prolonged. In addition, the plastic hinge structure 23 is adopted to replace an iron hinge structure adopted in the prior art, so that the problems that deformation caused by the adoption of the iron hinge structure is large, the matching precision is low, the cover body is easy to shake and poor in stability, and the cover body 3 and the box body 2 are easy to rust and fall off in the prior art can be solved.

Optionally, the locking structure includes a lock case 221, a lock hook 222, and a lock catch 223. The lock case 221 is installed outside the case body 2 and disposed at a position close to the cavity opening. The latch hook 222 is mounted on the latch case 221. The latch 223 is installed at the other end of the cover 3, and the latch 222 can be engaged with the latch 223, and when a key is applied to the lock case 221, the latch 222 can be disengaged from the latch 223. Specifically, when the box 2 covers the cavity opening, the latch hook 222 on the box 2 is buckled with the latch 223 on the cover 3. When the cover 3 needs to be opened, a key is inserted into the lock box 221 to unlock the lock, so that the lock hook 222 and the lock catch 223 are released.

It should be noted that the engagement between the lock box 211 and the key and the locking hook 222 is prior art, as long as the key can pass through the lock box 211 and the locking hook 222 exerts a force to release the locking hook 222 from the locking buckle 223.

Optionally, in this embodiment, two locking hooks 222 are provided, and the locking latches 223 and the locking hooks 222 are arranged in a one-to-one correspondence manner, so as to improve the stability of locking between the box body 2 and the cover body 3.

Optionally, a plastic hinge structure 23 is disposed between one end of the cover 3 and the box 2, and one end of the cover 3 is rotatably connected to the box 2 through the plastic hinge structure 23.

In the present embodiment, the plastic hinge structure 23 includes a ring sleeve 231 and a rotation shaft 232. The ring sleeve 231 is installed at one edge of the cavity of the cover body 3, the rotating shaft 232 penetrates through the ring sleeve 231 and is connected with the cover body 3, and the rotating shaft 232 can rotate relative to the ring sleeve 231 so as to realize the rotating connection between one end of the cover body 3 and the box body 2.

Of course, in other embodiments, plastic hinge structure 23 may be a hinge, as long as one end of lid 3 can be rotatably connected to case 2.

Alternatively, the lid body 3 includes an inner lid 32 and an outer lid 31. One end of the inner cover 32 is rotatably connected to the case 2, and the other end can be locked or unlocked with the locking structure. The outer cover 31 is disposed on a side of the inner cover 32 remote from the battery chamber 21 and is connected to the inner cover 32. Specifically, one end of the inner lid 32 is coupled to the rotation shaft 232, and the latch 223 is mounted to the other end of the inner lid 32.

Optionally, a plurality of reinforcing ribs 321 are disposed on a side of the inner cover 32 facing the outer cover 31, and the plurality of reinforcing ribs 321 are disposed in a honeycomb shape. The strength of the lid body 3 is enhanced by providing the plurality of ribs 321 on the side of the inner lid 32 facing the outer lid 31, and the strength of the lid body 3 can be further enhanced by providing the plurality of ribs 321 in a honeycomb shape.

Optionally, a connecting piece 24 is arranged on the periphery of the cavity opening, and the connecting piece 24 is detachably connected with the side wall of the mounting opening 11 through a screw, so as to facilitate the assembly between the box body 2 and the mounting ring frame 1.

Optionally, the battery box further includes a sealing ring 4, the sealing ring 4 is disposed between the cover 3 and the box body 2, and when the cover 3 covers the cavity opening, the sealing ring 4 can seal the gap between the box body 2 and the cover 3, so as to prevent rainwater from flowing into the battery cavity 21 and damaging the battery 5.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A battery pack, comprising:

the battery box comprises a box body (2), wherein a battery cavity (21) is formed in the box body, a battery (5) is arranged in the battery cavity (21), and a cavity opening of the battery cavity (21) is communicated with the outside of the box body (2);

the mounting ring frame (1) is provided with a mounting opening (11), the box body (2) is arranged at the mounting opening (11) of the mounting ring frame (1) and is connected with the mounting ring frame (1), and the mounting ring frame (1) is connected with a frame of an electric vehicle;

the cover body (3) is arranged at the cavity opening and can cover the cavity opening, and one end of the cover body (3) is hinged with the box body (2) through a plastic hinge structure (23);

and the locking structure is arranged on the cover body (3), and the other end of the cover body (3) can be locked or unlocked with the locking structure.

2. A battery pack as claimed in claim 1, wherein said locking structure comprises:

a lock box (221) mounted outside the box body (2) and disposed at a position close to the cavity opening;

a latch hook (222) mounted on the latch case (221);

the lock catch (223) is installed at the other end of the cover body (3), the lock hook (222) can be buckled with the lock catch (223), and when a key acts on the lock box (221), the lock hook (222) can be loosened from the lock catch (223).

3. The battery box according to claim 2, wherein the locking hooks (222) are provided with at least two, and the locking latches (223) are provided in one-to-one correspondence with the locking hooks (222).

4. A battery compartment as claimed in claim 1, wherein said plastic hinge structure (23) is provided between one end of said cover (3) and said compartment (2), one end of said cover (3) being rotatably connected to said compartment (2) by said plastic hinge structure (23).

5. Battery compartment as in claim 4, characterized in that said plastic hinge structure (23) comprises:

a collar (231) mounted at an edge of the orifice;

and the rotating shaft (232) penetrates through the ring sleeve (231) and is connected with the cover body (3), and the rotating shaft (232) can rotate relative to the ring sleeve (231).

6. A battery compartment as claimed in claim 1, wherein the cover (3) comprises:

one end of the inner cover (32) is rotatably connected with the box body (2), and the other end of the inner cover can be locked or unlocked with the locking structure;

and the outer cover (31) is arranged on one side of the inner cover (32) far away from the battery cavity (21) and is connected with the inner cover (32).

7. A battery pack as claimed in claim 6, wherein a plurality of reinforcing ribs (321) are provided on a side of the inner lid (32) facing the outer lid (31), and the plurality of reinforcing ribs (321) are arranged in a honeycomb shape.

8. A battery case as defined in claim 1, wherein a connecting member (24) is provided on the peripheral side of said cavity opening, said connecting member (24) being detachably connected to the side wall of said mounting opening (11).

9. A battery compartment according to any of claims 1 to 8, further comprising a sealing ring (4), said sealing ring (4) being arranged between said cover (3) and said compartment (2), said sealing ring (4) being capable of sealing a gap between said compartment (2) and said cover (3) when said cover (3) closes said aperture.

10. An electric vehicle comprising a frame, characterized in that the electric vehicle further comprises a battery pack according to any one of claims 1-9, said battery pack being mounted on said frame.