CN213167738U

CN213167738U - Vehicle-mounted battery pack and mounting assembly thereof

Info

Publication number: CN213167738U
Application number: CN202022216115.8U
Authority: CN
Inventors: 何亚飞; 其他发明人请求不公开姓名
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-11
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a vehicle-mounted battery package and mounting assembly thereof. The utility model discloses a mounting component of a vehicle-mounted battery pack, which comprises a connecting column, wherein the connecting column is provided with a column body, a first connecting part and a second connecting part which are connected with the column body; the sleeve is provided with a first cylinder body sleeved on the second connecting part, a second cylinder body coaxially connected with the first cylinder body, and a supporting wall is annularly arranged on the outer side wall of the second cylinder body; the second cylinder extends towards the direction departing from the second connecting part; a sealing member provided on the support wall; the locking piece is detachably connected with the second cylinder, and at least part of the locking piece is arranged opposite to the supporting wall. Compared with the prior art, the volume of the mounting assembly is reduced, the space occupied by the battery pack is reduced, the weight of the mounting assembly is reduced, and the production cost is reduced.

Description

Vehicle-mounted battery pack and mounting assembly thereof

Technical Field

The utility model relates to a battery field, in particular to on-vehicle battery package and carry subassembly thereof.

Background

In recent years, the appearance of new energy automobiles plays a great role in promoting social development and environmental protection, and a power battery pack is a rechargeable battery, is a power source of the new energy automobiles, and is widely applied to the field of the new energy automobiles. The battery pack is provided with a bottom plate and a cover plate, the mounting assembly is connected with the bottom plate and the cover plate, the connecting piece penetrates through the mounting assembly to be connected with the automobile, and the battery pack is installed on the automobile. The mounting component comprises a connecting column and a locking piece, the connecting column penetrates through the battery pack, the locking piece locks the connecting column and a cover plate of the battery pack, in order to guarantee the sealing performance of the battery pack, a sealing ring needs to be placed at the connecting column and the cover plate in a butting mode, therefore, the pipe diameter of the connecting column is large, the side wall of the connecting column is thick, and the sealing ring can be placed at the top of the side wall to abut against the cover plate. Therefore, the whole volume of the hanging assembly is large, the hanging assembly is thick and heavy, the whole weight of the battery pack is increased, the production cost is high, more battery pack spaces are occupied, and when quantitative battery cores need to be placed in one battery pack, the size of the battery pack needs to be increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-vehicle battery package and carry subassembly thereof for carry subassembly volume reduces, and the space that occupies the battery package reduces, and carries subassembly weight reduction, reduction in production cost.

In order to solve the technical problem, an embodiment of the utility model provides a carry subassembly of on-vehicle battery package, include:

the connecting column is provided with a column body, a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are connected with the column body;

the sleeve is provided with a first cylinder body sleeved on the second connecting part, a second cylinder body coaxially connected with the first cylinder body, and a supporting wall is annularly arranged on the outer side wall of the second cylinder body; the second cylinder extends towards the direction departing from the second connecting part;

a seal disposed on the support wall;

the locking piece is detachably connected with the second cylinder, and at least part of the locking piece is opposite to the supporting wall.

The utility model discloses embodiment is for prior art, because first barrel cover is established on the second connecting portion, the lateral wall of second barrel is fitted with a contraceptive ring and is equipped with the support wall, and the sealing member setting lets the sealing member have the place to place on the support wall. And the sealing element is arranged through the sleeve, the diameter of the connecting column can be reduced, the sleeve is connected to the second connecting part, the whole volume of the mounting assembly is reduced, and more spaces for placing the battery cell are formed in the battery pack. Meanwhile, the weight of the mounting assembly is reduced, the total weight of the battery pack is reduced, and the production cost is reduced.

In one embodiment, the first cylinder is in threaded connection with the second connecting portion.

In one embodiment, the first cylinder is provided with an internal thread;

the second connecting part is provided with a butt joint part with an external thread and a sealing part coaxially connected with the butt joint part; the first cylinder is sleeved on the butt joint part and the sealing part.

In one embodiment, a sealing ring is arranged between the first cylinder and the sealing part.

In an embodiment, an annular groove for the sealing ring to be clamped is formed in an outer side wall of the sealing portion.

In one embodiment, the diameter of the sealing portion is smaller than the diameter of the abutment portion;

the inner wall of the first cylinder corresponding to the sealing part at least partially protrudes and extends towards the sealing part.

In one embodiment, the second cylinder is provided with internal threads, the locking member is provided with external threads, and the locking member is in threaded connection with the second cylinder.

In one embodiment, the outer wall of the retaining member is fitted with a cap end disposed opposite the support wall.

In an embodiment, the first cylinder and the second cylinder are prismatic cylinders.

In one embodiment, the mounting assembly further comprises: and the bottom plate locking piece is detachably connected with the first connecting part.

In an embodiment, the connecting column, the sleeve, the locking piece and the bottom plate locking piece are provided with through holes which are coaxially arranged and communicated.

An embodiment of the utility model provides an on-vehicle battery package, include: the shell is internally provided with an accommodating area; the shell is provided with a cover plate covering the accommodating area and a bottom plate arranged opposite to the cover plate;

the plurality of cross beams are arranged in the accommodating area and divide the accommodating area into a plurality of space spaces;

the plurality of battery cells are arranged in the spacing space; and the number of the first and second groups,

a plurality of mounting assemblies as described above; the connecting column penetrates through the cross beam, the sealing element is clamped between the supporting wall and the cover plate, and the part, opposite to the supporting wall, of the locking element is abutted against one side, away from the accommodating area, of the cover plate.

Drawings

FIG. 1 is a schematic structural diagram of an on-board battery pack according to a portion of the present invention;

FIG. 2 is a schematic view of the structure A-A of FIG. 1;

FIG. 3 is a schematic diagram of structure C of FIG. 2;

FIG. 4 is a schematic diagram of structure D of FIG. 2;

FIG. 5 is an exploded view of a mounting assembly in some embodiments of the invention;

FIG. 6 is a schematic structural diagram of a mounting assembly according to some embodiments of the present invention;

wherein, 1, a shell; 2. a cross beam; 11. a cover plate; 12. a base plate; 30. mounting the component; 3. connecting columns; 31. a cylinder; 32. a first connection portion; 33. a second connecting portion; 331. a docking portion; 332. a sealing part; 5. a locking member; 8. a sleeve; 81. a first cylinder; 82. a second cylinder; 83. a support wall; 34. a first pressure holding part; 35. a protruding member; 4. a bottom plate locking member; 41. a locking portion; 42. a first cap end; 7. a cold plate; 61. a first sealing ring; 62. a first sealing element; 64. a third sealing element; 63. a second sealing element; 65. a second sealing ring; 51. a second cap end; 91. a first groove; 92. a second groove; 93. an annular groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

Embodiments of the present invention are described below with reference to the drawings. As shown in fig. 1 and 2, the vehicle-mounted battery pack includes: shell 1, a plurality of crossbeam 2, a plurality of electricity core and a plurality of mount assembly 30. The housing 1 is provided with a receiving area therein, and the housing 1 has a cover plate 11 covering the receiving area and a bottom plate 12 disposed opposite to the cover plate 11. The crossbeam 2 is arranged in the accommodating area, and divides the accommodating area into a plurality of space spaces. The battery cell is arranged in the space, and the mounting assembly 30 penetrates through the beam 2 and is fixed with the cover plate 11 and the bottom plate 12. Specifically, the plurality of cross beams 2 are arranged, and some of the cross beams are arranged transversely and some of the cross beams are arranged longitudinally. The mounting assemblies 30 can be arranged on the cross beams 2 as required, and the mounting assemblies 30 can also be arranged on part of the cross beams 2.

As shown in fig. 2, 4, 5 and 6, mount assembly 30 includes: the connecting column 3, the sleeve 8, the second sealing member 63 and the locking member 5 are coaxially arranged, and the connecting column 3 and the sleeve 8 are coaxially arranged. The coupling post 3 has a cylindrical body 31, a first connecting portion 32 and a second connecting portion 33 connected to the cylindrical body 31. The sleeve 8 has a first cylinder 81 sleeved on the second connecting portion 33, a second cylinder 82 coaxially connected with the first cylinder 81, and a supporting wall 83 annularly arranged on the outer side wall of the second cylinder 82, and the second cylinder 82 extends towards the direction departing from the second connecting portion 33. The second sealing element 63 is arranged on the supporting wall 83, the second sealing element 63 is a sealing ring, a groove arranged around the axis of the sleeve 8 is formed in the supporting wall 83, and the sealing ring is embedded in the groove. The locking member 5 is detachably coupled to the second cylinder 82 and is at least partially disposed opposite the support wall 83. In the installation, the connecting column 3 penetrates through the cross beam 2, the first cylinder 81 is connected with the second connecting part 33, the first cylinder 81 is abutted against the cross beam 2, and the second cylinder 82 is higher than the connecting column 3. The cover plate 11 is covered on the accommodating area, the supporting wall 83 is abutted against one side of the cover plate 11 facing the accommodating area, and the second sealing element 63 is clamped between the supporting wall 83 and the cover plate 11, so that sealing between the supporting wall 83 and the cover plate 11 is realized, and foreign matters are prevented from permeating between the supporting wall 83 and the cover plate 11. The locking piece 5 is connected with the second cylinder 82, and the middle part of the locking piece 5 is supported against one side of the cover plate 11 departing from the accommodating area, so that the locking piece 5 and the second cylinder 82 are matched with the clamping column cover plate 11 to fix the connecting column 3 and the cover plate 11.

As can be easily seen from the above, since the first cylinder 81 is sleeved on the second connecting portion 33, the outer side wall of the second cylinder 82 is annularly provided with the supporting wall 83, and the second sealing element 63 is disposed on the supporting wall 83, so that the second sealing element 63 can have a place to be placed. And the second sealing element 63 is installed through the sleeve 8, the diameter of the connecting column 3 can be reduced, the sleeve 8 is connected to the second connecting portion 33, the whole volume of the mounting assembly 30 is reduced, and more spaces for placing the battery cell are formed in the battery pack. Meanwhile, the weight of the mounting assembly 30 is also reduced, the total weight of the battery pack is reduced, and the production cost is reduced.

Further, as shown in fig. 4, 5 and 6, the first cylinder 81 is screwed to the second connecting portion 33. Specifically, the first cylinder 81 is provided with an internal thread, the second connecting portion 33 is provided with a butting portion 331 provided with an external thread and a sealing portion 332 coaxially connected with the butting portion 331, and the first cylinder 81 is sleeved on the butting portion 331 and the sealing portion 332. It is understood that the first cylinder 81 and the second connecting portion 33 can be clamped.

As shown in fig. 4, 5, and 6, a second seal ring 65 is provided between the first cylindrical body 81 and the seal portion 332. An annular groove 93 for clamping the second sealing ring 65 is formed in the outer side wall of the sealing part 332. A seal is achieved between the sleeve 8 and the connecting column 3.

Further, as shown in fig. 4, 5 and 6, the diameter of the sealing portion 332 is smaller than that of the abutting portion 331, and the inner wall of the first cylinder 81 corresponding to the sealing portion 332 at least partially protrudes and extends toward the sealing portion 332. So that a better fit between the sleeve 8 and the connecting column 3 is obtained.

In addition, as shown in fig. 4, 5 and 6, the second cylinder 82 is provided with an internal thread, the locking member 5 is provided with an external thread, and the locking member 5 is threadedly coupled with the second cylinder 82. Thus, the locking member 5 is fixed to the second cylinder 82, and the portion of the locking member 5 opposite to the support wall 83 is pressed against the cover plate 11, so that the sleeve 8 and the cover plate 11 are locked together. It will be appreciated that the retaining member 5 could be internally threaded and the second cylinder 82 externally threaded.

Further, as shown in fig. 4, 5 and 6, the outer wall of the locking member 5 is annularly provided with a second cap end 51 opposite to the support wall 83. The second cap end 51 abuts against the cover plate 11 and is matched with the supporting wall 83 to clamp the cover plate 11.

Alternatively, as shown in fig. 4, 5 and 6, the first cylinder 81 and the second cylinder 82 are prism-shaped cylinders, that is, both the first cylinder 81 and the second cylinder 82 may be hexagonal prisms or pentagonal prisms. And the first cylinder 81, the second cylinder 82, and the support wall 83 may be integrally formed. The sleeve 8 can thus be rotated easily by means of the prismatic cylinder when the sleeve 8 is mounted on or removed from the connecting column 3.

As shown in fig. 2, 3, 5, and 6, mounting assembly 30 further includes: and a bottom plate locker 4 detachably coupled to the first coupling part 32. The base plate locking member 4 has a locking portion 41 detachably connected to the first connecting portion 32, and a first cap end 42 surrounding the locking portion 41, wherein the first cap end 42 abuts against a side of the base plate 12 away from the receiving area. And an internal thread is arranged in the first connecting part 32, an external thread is arranged on the locking part 41, and the first connecting part 32 is in threaded connection with the locking part 41. Thereby, the locking part 41 is fixed with the first connecting part 32, and the first cap end 42 is abutted with the bottom plate 12, so that the connecting column 3 is fixed with the bottom plate 12. It will be appreciated that the retaining portion 41 could be internally threaded and the first connecting portion 32 externally threaded to permit threaded connection of the floor retaining member 4 to the connecting column 3.

As shown in fig. 2 and 3, a first seal ring 61 is further provided between the first connecting portion 32 and the locking portion 41. The locking portion 41 is provided with a first groove 91, the first sealing ring 61 is clamped in the first groove 91, and the first sealing ring 61 enables the first connecting portion 32 and the locking portion 41 to be more tightly free from gaps.

Further, as shown in fig. 2, 3 and 6, the side of the bottom plate 12 facing the accommodating area is provided with a cold plate 7. The connecting column 3 further has a first pressing portion 34 disposed around the first connecting portion 32, and the first pressing portion 34 is at least partially embedded between the base plate 12 and the cold plate 7. Therefore, when the connecting column 3 is installed, the connecting column 3 is placed from top to bottom, the first pressing portion 34 is abutted to the bottom plate 12, and the cold plate 7 is pressed to the first connecting portion 32 of the column, so that the connecting column 3 is installed in the battery pack more stably.

Further, as shown in fig. 2 and 3, a first sealing element 62 is disposed between the first pressing portion 34 and the cold plate 7, a third sealing element 64 is disposed between the first pressing portion 34 and the bottom plate 12, the third sealing element 64 and the first sealing element 62 are sealing rings, the sealing rings are disposed around the axis of the connecting column 3, and a second groove 92 into which the sealing rings are embedded is disposed on the first pressing portion 34. Thereby realize sealed between spliced pole 3 and the bottom plate 12, place outside liquid impurity and permeate the battery package through the clearance between first pressure portion 34 and the bottom plate 12 for the leakproofness of battery package is better.

As shown in fig. 2, 3, and 5, a protruding member 35 that is fitted into the cross member 2 is provided at the joint between the first pressure holding portion 34 and the first connecting portion 32. Let have the butt between spliced pole 3 and the crossbeam 2 for the installation of spliced pole 3 is more stable.

While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

Claims

1. A mounting assembly for a vehicle-mounted battery pack, comprising:

a seal disposed on the support wall;

2. The mounting assembly of the vehicle-mounted battery pack according to claim 1, wherein the first cylinder is screwed to the second connecting portion.

3. The mounting assembly of the vehicle-mounted battery pack according to claim 2, wherein the first cylinder is provided with an internal thread;

4. The mounting assembly of the vehicle-mounted battery pack according to claim 3, wherein a seal ring is provided between the first cylinder and the sealing portion.

5. The mounting assembly of the vehicle-mounted battery pack according to claim 4, wherein an annular groove for the sealing ring to be clamped is formed in an outer side wall of the sealing portion.

6. The mounting assembly of the vehicle-mounted battery pack according to claim 5, wherein a diameter of the sealing portion is smaller than a diameter of the abutting portion;

7. The mounting assembly for the vehicle-mounted battery pack according to claim 1, wherein the second cylinder is provided with internal threads, the locking member is provided with external threads, and the locking member is in threaded connection with the second cylinder.

8. The mounting assembly for a vehicle-mounted battery pack according to claim 7, wherein a cap end is provided on an outer wall of the locking member to be opposed to the support wall.

9. The mounting assembly of the on-vehicle battery pack according to claim 1, wherein the first cylinder and the second cylinder are prismatic cylinders.

10. The mounting assembly of the vehicle-mounted battery pack according to claim 1, further comprising: and the bottom plate locking piece is detachably connected with the first connecting part.

11. The mounting assembly of the vehicle-mounted battery pack according to claim 10, wherein the connecting column, the sleeve, the locking member and the bottom plate locking member are provided with through holes which are coaxially arranged and communicated.

12. An on-vehicle battery pack, characterized by comprising: the shell is internally provided with an accommodating area; the shell is provided with a cover plate covering the accommodating area and a bottom plate arranged opposite to the cover plate;

a number of mounting assemblies according to any of claims 1-11; the connecting column penetrates through the cross beam, the sealing element is clamped between the supporting wall and the cover plate, and the part, opposite to the supporting wall, of the locking element is abutted against one side, away from the accommodating area, of the cover plate.