CN219436046U

CN219436046U - Laminated battery box structure for engineering machinery

Info

Publication number: CN219436046U
Application number: CN202320360740.0U
Authority: CN
Inventors: 国春成; 张锐; 代为彬; 邱德波; 陈方明
Original assignee: Bureton Technology Co ltd
Current assignee: Bureton Technology Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-28
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a laminated battery box structure for engineering machinery, and belongs to the technical field of power battery boxes. The box comprises a first box body, a second box body and a third box body which are sequentially connected from top to bottom, wherein the first box body, the second box body and the third box body are formed by encircling a first side plate, a second side plate, a third side plate and a fourth side plate, edges of the first side plate, the second side plate, the third side plate and the fourth side plate extend outwards to form a bending edge, and the bending edges which are contacted in the first box body, the second box body and the third box body are fixedly connected; the first side plate is inwards sunken to form a cavity, and a heating plug-in unit, a water pipe fixing plate, a straight-head single-core transition plug-in unit, a 90-degree elbow single-core transition plug-in unit, a low-voltage plug-in unit and a gram head are arranged in the cavity. The wiring can be conveniently carried out, wiring difficulty and complexity are reduced, the whole structure is simple, the installation is fixed with the nut through the first bolt on the bending edge, and the installation and the disassembly are easy to operate. And be equipped with sealed pad between the limit of bending, can be better seal the whole, protect battery safety.

Description

Laminated battery box structure for engineering machinery

Technical Field

The utility model belongs to the technical field of power battery boxes, and particularly relates to a laminated battery box structure for engineering machinery.

Background

With the popularization of new energy automobiles, the importance of a battery system occupying nearly half of the price of an electric automobile is self-evident. The battery system has complex structural design, and not only considers the whole test strength, but also considers the weight reduction of the battery system, and further reduces the mass production difficulty so as to reduce the cost. Currently, battery systems are relatively low in capacity and relatively expensive, in part because of the complex structural design of the case. The structural design of the battery system box body is determined by the enveloping space of the whole vehicle battery pack and the manufacturing process of the box body. Along with popularization of integrated design concepts of a vehicle body and a battery system, the enveloping space of the battery pack is more regular, and the shape of the battery box body is more square.

At present, sheet metal parts are generally selected for commonly used battery boxes, the sheet metal parts are welded to form a space for accommodating batteries, and reinforcing ribs are further arranged in the middle of some sheet metal boxes for enhancing the overall strength. There are the following problems: 1. the space utilization rate is low: the battery box body is arranged that space utilization is low, can't realize high continuation of journey version electric quantity combination and battery multilayer support design: 2. the bracket is complex in design and inconvenient to install; 3. the maintenance is inconvenient: the battery box has long maintenance time and difficult maintenance; 4. the circuit of the outer tube of the box body is complex: the arrangement of the pipe lines is more, the trend is complex, and the cost is directly increased.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the problems of inconvenient installation and maintenance and complex installation of a pipe line caused by complex structure of the existing box body.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model discloses a laminated battery box structure for engineering machinery, which comprises a first box body, a second box body and a third box body which are sequentially connected from top to bottom, wherein the first box body, the second box body and the third box body are formed by encircling a side plate I, a side plate II, a side plate III and a side plate IV, the edges of the side plate I, the side plate II, the side plate III and the side plate IV extend outwards to form a bending edge, and the bending edges which are contacted in the first box body, the second box body and the third box body are fixedly connected; the side plate I is inwards sunken to form a cavity, and a heating plug-in unit, a water pipe fixing plate, a straight-head single-core transition plug-in unit, a 90-degree elbow single-core transition plug-in unit, a low-voltage plug-in unit and a gram head are arranged in the cavity.

Preferably, the upper and lower side walls of the cavity of the first side plate are respectively provided with a male end quick-change plug and a female groove quick-change socket, and the male end quick-change plugs and the female groove quick-change sockets of the adjacent box bodies are matched.

Preferably, a straight-head quick plug and a 90-degree elbow quick plug are further arranged in the cavity.

Preferably, the bending edges of the first box body, the second box body and the third box body, which are contacted with each other, are fixed with nuts through bolts I.

Preferably, the bottom plate is fixedly connected with the bottom of the box body III, and the first side plate, the second side plate, the third side plate and the fourth side plate are provided with peripheral reinforcing plates and lifting plates.

Preferably, the upper end of the first box body is fixed with a box cover through a second bolt, and a handle is arranged on the box cover.

Preferably, the side walls of the first box body, the second box body and the third box body in the same direction are provided with water inlet pipe ports, and the opposite side walls are provided with pressure release valves.

Preferably, a sealing gasket is arranged between the bending edges of the first box body, the second box body and the third box body, which are in contact with each other, the nut is a rivet nut with a boss, the sealing gasket is fixed through the nut, and the ratio of the thickness of the sealing gasket to the thickness of the boss is 2:1-1.5:1.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the utility model relates to a laminated battery box structure for engineering machinery, which comprises a first box body, a second box body and a third box body which are sequentially connected from top to bottom, wherein the first box body, the second box body and the third box body are formed by surrounding a first side plate, a second side plate, a third side plate and a fourth side plate, the edges of the first side plate, the second side plate, the third side plate and the fourth side plate extend outwards to form a bending edge, and the bending edges which are contacted in the first box body, the second box body and the third box body are fixedly connected; the first side plate is inwards sunken to form a cavity, and a heating plug-in unit, a water pipe fixing plate, a straight-head single-core transition plug-in unit, a 90-degree elbow single-core transition plug-in unit, a low-voltage plug-in unit and a gram head are arranged in the cavity. The wiring can be conveniently carried out, wiring difficulty and complexity are reduced, the whole structure is simple, the installation is fixed with the nut through the first bolt on the bending edge, and the installation and the disassembly are easy to operate. And be equipped with sealed pad between the limit of bending, can be better seal the whole, protect battery safety.

Drawings

FIG. 1 is a schematic view showing the overall structure of a laminated battery box structure for construction machinery according to the present utility model

FIG. 2 is a schematic view of the structure of any of the cases of the present utility model;

FIG. 3 is a partial schematic view of a crimping edge of the present utility model.

Reference numerals in the schematic drawings illustrate:

1. a bottom plate; 2. a first side plate; 3. a second side plate; 4. a side plate III; 5. a side plate IV; 6. a sealing gasket; 7. a hanging plate; 8. a peripheral reinforcing plate; 9. a first box body; 10. a second box body; 11. a third box body; 12. a case cover; 13. a first bolt; 14. a second bolt; 15. a nut; 21. a pressure release valve; 22. a handle; 23. heating the insert; 24. a male end quick-change plug; 25. a water pipe fixing plate; 26. female slot quick-change socket; 27. a straight-head single-core transition plug-in; 28. 90-degree elbow single-core transition plug-in; 29. a 90-degree elbow quick plug; 30. a straight quick plug; 31. a low pressure insert; 32. glabra head.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1-3, a laminated battery box structure for engineering machinery of the embodiment includes a first box 9, a second box 10 and a third box 11 sequentially connected from top to bottom, wherein the first box 9, the second box 10 and the third box 11 are formed by surrounding a first side plate 2, a second side plate 3, a third side plate 4 and a fourth side plate 5, edges of the first side plate 2, the second side plate 3, the third side plate 4 and the fourth side plate 5 extend outwards to form a bending edge, and the bending edges which are in contact in the first box 9, the second box 10 and the third box 11 are fixedly connected; the side plate I2 is inwards sunken to form a cavity, and a heating plug-in unit 23, a water pipe fixing plate 25, a straight-head single-core transition plug-in unit 27, a 90-degree elbow single-core transition plug-in unit 28, a low-pressure plug-in unit 31 and a gram head 32 are arranged in the cavity. The upper and lower side walls of the cavity of the side plate I2 are respectively provided with a male end quick-change plug 24 and a female groove quick-change socket 26, and the male end quick-change plug 24 and the female groove quick-change socket 26 of the adjacent box bodies are matched. A straight quick plug 30 and a 90-degree elbow quick plug 29 are also arranged in the cavity. The wiring can be conveniently carried out, wiring difficulty and complexity are reduced, the whole structure is simple, the first bolt 13 and the nut 15 on the bending edge are fixed, and the mounting and the dismounting are easy to operate. And be equipped with sealed 6 between the limit of bending, can be better seal the whole, protect battery safety.

The male end quick-change plug 24 and the female slot quick-change socket 26 comprise a battery positive line, a battery negative line, a heating wire harness, a shell protection grounding wire harness and a low-voltage wire harness, and can have different error floating amounts in three directions of XYZ axes; the wire harness length between the box bodies is routed, so that the wire harness length is optimized, and the low-voltage and heating plug-in components are externally arranged, so that after-sales maintenance and detection are facilitated.

The bending edges which are in contact with each other in the first box body 9, the second box body 10 and the third box body 11 are fixed with a nut 15 through a first bolt 13. The bottom of the third box 11 is fixedly connected with a bottom plate 1. The upper end of the first box body 9 is fixed with a box cover 12 through a second bolt 14. The upper and lower parts are sealed and fixed through the bottom plate 1 and the box cover 12, and the box cover 12 is provided with a handle 22 which is convenient to move. The space utilization rate of the battery is improved by about 40% by adopting the design; after the utilization rate of the battery space is improved, a battery system with more electric quantity can be combined in a limited space, so that the cruising ability of the vehicle is improved; and on the premise of a certain electric quantity, the occupied space of the laminated battery system is smaller, the center of gravity of the whole vehicle is reduced by about 20%, and the cruising ability of the vehicle is indirectly improved.

The water inlet pipe ports are arranged on the side walls of the first box body 9, the second box body 10 and the third box body 11 in the same direction, and the pressure release valves 21 are arranged on the opposite side walls to design the positive electrode port and the negative electrode port of the battery to the same side and the same direction, so that wiring of the wire harness between the upper box body and the lower box body is facilitated, and the length of the wire harness is optimized; the water inlet and outlet ports of the water pipe are designed to be on the same side and in the same direction, so that the wiring of the water pipe between the upper box body and the lower box body is convenient, and the length of the water pipe is optimized; the waterway and the circuit are designed on two sides, and the directions of the waterway and the circuit are not interfered with each other.

The side plates I2, II 3, III 4 and IV 5 are provided with a peripheral reinforcing plate 8 and a lifting plate 7, and the lifting plate 7 is used for hanging a travelling crane hook. The peripheral reinforcement plate 8 can further enhance the overall stability and firmness. Corresponding lines and pipelines of the first box 9, the second box 10 and the third box 11 are sequentially connected in series.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A lamination battery box structure that engineering machine tool used, its characterized in that: the novel multifunctional box comprises a first box body (9), a second box body (10) and a third box body (11) which are sequentially connected from top to bottom, wherein the first box body (9), the second box body (10) and the third box body (11) are formed by surrounding a first side plate (2), a second side plate (3), a third side plate (4) and a fourth side plate (5), edges of the first side plate (2), the second side plate (3), the third side plate (4) and the fourth side plate (5) extend outwards to form a bending edge, and the bending edges which are contacted in the first box body (9), the second box body (10) and the third box body (11) are fixedly connected; the side plate I (2) is inwards sunken to form a cavity, and a heating plug-in unit (23), a water pipe fixing plate (25), a straight-head single-core transition plug-in unit (27), a 90-degree elbow single-core transition plug-in unit (28), a low-voltage plug-in unit (31) and a gram head (32) are arranged in the cavity.

2. The laminated battery box structure for construction machinery according to claim 1, wherein: the upper side wall and the lower side wall of the cavity of the side plate I (2) are respectively provided with a male end quick-change plug (24) and a female groove quick-change socket (26), and the male end quick-change plug (24) and the female groove quick-change socket (26) of the adjacent box bodies are matched.

3. The laminated battery box structure for construction machinery according to claim 2, wherein: a straight-head quick plug (30) and a 90-degree elbow quick plug (29) are further arranged in the cavity.

4. The laminated battery box structure for construction machinery according to claim 1, wherein: the bending edges which are contacted in the first box body (9), the second box body (10) and the third box body (11) are fixed with the nuts (15) through the first bolts (13).

5. The laminated battery box structure for construction machinery according to claim 1, wherein: the bottom of the box body III (11) is fixedly connected with a bottom plate (1), and a peripheral reinforcing plate (8) and a lifting plate (7) are arranged on the side plate I (2), the side plate II (3), the side plate III (4) and the side plate IV (5).

6. The laminated battery box structure for construction machinery according to claim 1, wherein: the upper end of the first box body (9) is fixed with a box cover (12) through a second bolt (14), and a handle (22) is arranged on the box cover (12).

7. The laminated battery box structure for construction machinery according to claim 1, wherein: the water inlet pipe ports are arranged on the side walls of the first box body (9), the second box body (10) and the third box body (11) in the same direction, and the pressure release valves (21) are arranged on the opposite side walls.

8. The laminated battery box structure for construction machinery according to claim 4, wherein: the novel box comprises a first box body (9), a second box body (10) and a third box body (11), wherein sealing gaskets (6) are arranged between the contact bending edges of the first box body, the second box body and the third box body, the nut (15) is a rivet nut with a boss, the sealing gaskets (6) are fixed through the nut (15), and the ratio of the thickness of the sealing gaskets (6) to the thickness of the boss is 2:1-1.5:1.