CN218929182U - Battery pack mounting structure and vehicle - Google Patents

Abstract

The utility model discloses a battery pack installation structure and a vehicle with the same. The battery pack installation structure includes a threshold beam and a connecting beam. The connecting beam extends along the front and rear directions and is stacked with the threshold beam. , and the connecting beam is connected to the door sill beam, and the connecting beam is configured to connect the battery pack so as to install the battery pack on the door sill beam. By applying the above technical solution, the battery pack can be installed on the sill beam, improving the flexibility and stability of assembly.

Description

Battery pack installation structure and vehicle

technical field

The utility model relates to the technical field of automobiles, in particular to a battery pack installation structure and a vehicle with the installation structure.

Background technique

Electric vehicles have gradually replaced traditional fuel vehicles and become the mainstream models in the market. As the main power output of the battery pack, the location and form of the layout are particularly important. How to choose a reasonable installation point for the battery pack on the vehicle body without affecting the power transmission channel of the vehicle body has become an underbody key aspect of design.

In related technologies, EV models generally maximize the size of the battery pack in the left and right directions in order to ensure the maximum battery life. Usually, the battery pack can be directly installed into the cavity structure of the door sill beam with bolts; when the vehicle is an SUV model, the battery pack installation surface There is a drop between the upper and lower directions of the door sill beam, and the battery pack does not match the body door sill beam, resulting in the failure of the battery pack to be installed.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present utility model is to provide a battery pack installation structure, which can install the battery pack on the sill beam and improve the flexibility and stability of assembly.

Another object of the present utility model is to provide a vehicle, which includes the aforementioned installation structure of the battery pack.

The installation structure of the battery pack according to the embodiment of the utility model includes a sill beam and a connecting beam, the connecting beam extends along the front and rear directions, and is stacked with the sill beam, and the connecting beam is connected to the sill beam, The connecting beam is configured to connect the battery pack to install the battery pack on the door sill beam.

According to the installation structure of the battery pack in the embodiment of the present invention, the battery pack can be installed on the sill beam by setting the connecting beam, thereby improving the flexibility and stability of assembly.

In addition, the installation structure of the battery pack according to the above-mentioned embodiments of the present invention may also have the following additional technical features:

In some examples of the present utility model, the connecting beam is laminated and connected to the lower side of the door sill beam.

In some examples of the present utility model, a pre-hanging structure is provided on the connecting beam, and the connecting beam is hooked to the threshold beam through the pre-hanging structure.

In some examples of the present utility model, the pre-hanging structure includes a hook, and a hanging hole is provided on the threshold beam, and the hook is suitable for being inserted into the hanging hole from bottom to top, and hooked to the threshold on the beam.

In some examples of the present invention, the hooks are provided at the front and rear ends of the connecting beam, and a plurality of hanging holes respectively corresponding to the hooks are provided on the sill beam.

In some examples of the present utility model, the connecting beam includes a first connecting part and a second connecting part, the first connecting part and the second connecting part are stacked up and down and connected, and the threshold beam and the The first connection part is connected by bolts, and the second connection part is connected with the battery pack by bolts.

In some examples of the present invention, a plurality of first installation holes are arranged at intervals on the first connecting portion, and the bolts are adapted to pass through the first installation holes to be connected to the door sill beam.

In some examples of the present utility model, the second connecting part is provided with a plurality of relief holes, and the relief holes are arranged vertically corresponding to the first installation hole, and the diameter of the relief holes is larger than the Describe the diameter of the first mounting hole.

In some examples of the present invention, a plurality of second mounting holes are arranged at intervals on the second connecting portion, and the bolts are adapted to pass through the second mounting holes to be connected to the battery pack.

In some examples of the present utility model, the first connecting part is in the shape of a "U" with one end open, and the second connecting part covers the open end of the first connecting part so that the first connecting part A cavity is formed between the second connection part and the second connection part.

In some examples of the present invention, the first connection part and the second connection part are connected by welding.

In some examples of the present invention, the connecting beam is an integral structure.

The vehicle according to the embodiment of the present utility model includes the aforementioned installation structure of the battery pack.

According to the vehicle of the embodiment of the present utility model, the flexibility and stability of battery pack assembly can be improved by applying the aforementioned battery pack installation structure to the vehicle.

Description of drawings

Fig. 1 is a schematic diagram of a partial structure of a vehicle in some embodiments of the present invention.

Fig. 2 is the sectional view of A-A direction in Fig. 1;

Fig. 3 is a partial structural sectional view of a vehicle in some embodiments of the present invention;

Fig. 4 is the sectional view of B-B direction in Fig. 3;

Fig. 5 is an enlarged view at circle B in Fig. 4;

Fig. 6 is the sectional view of C-C direction in Fig. 3;

Figure 7 is an enlarged view at circle C in Figure 6;

Fig. 8 is a sectional view of the D-D direction in Fig. 3;

Fig. 9 is an enlarged view at circle D in Fig. 8;

Fig. 10 is a schematic structural view of connecting beams in some embodiments of the present invention;

Fig. 11 is a bottom view of the connecting beam in some embodiments of the present invention;

Fig. 12 is a partial structure of the installation structure in some embodiments of the present invention (showing the assembly method of the second hook part and the second via hole);

Fig. 13 is a partial structure of the installation structure in some embodiments of the present invention (showing the assembly method of the first hook part and the first via hole);

Fig. 14 is a partial structure of the installation structure in some embodiments of the present invention (showing the assembled state of the second hook part and the second via hole);

Fig. 15 is a partial structure of the installation structure in some embodiments of the present invention (showing the assembled state of the first hook portion and the first via hole).

Reference signs:

100. Vehicle; 10. Connecting beam; 13. Hook; 131. First hook; 1311. First connector; 1312. First branch; 132. Second hook; 1321. Second connector; 1322. No. Two branches; 141, the first via hole; 1411, the first matching hole; 1412, the second matching hole; 142, the second via hole; 11, the first connection part; 101, the first installation hole; 111, the convex part; 12. The second connection part; 103. The relief hole; 102. The second installation hole; 15. The bolt; 110. The cavity; 20. The sill beam; 30. The battery pack.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

1 to 15, the installation structure of the battery pack according to the embodiment of the present invention includes a sill beam 20 and a connecting beam 10. The connecting beam 10 extends along the front and rear directions and is stacked with the sill beam 20. The door sill beams 20 are connected, and the connecting beam 10 is configured to connect the battery pack 30 so as to install the battery pack 30 on the door sill beam 20 . That is to say, by setting the connecting beam 10 between the threshold beam 20 and the battery pack 30, the connecting beam 10 is respectively connected with the threshold beam 20 and the battery pack 30, so that the battery pack 30 can be easily installed on the threshold beam 20, especially in the When there is a height difference between the sill beam 20 and the installation surface of the battery pack 30 , the connecting beam 10 can improve the compactness of assembly and help improve the structural stability.

According to the installation structure of the battery pack in the embodiment of the present invention, by setting the connecting beam 10, the battery pack 30 can be installed on the sill beam 20, which improves the flexibility and stability of assembly.

Referring to FIG. 3 , in some embodiments of the present invention, the connecting beam 10 is stacked and connected to the lower side of the sill beam 20 , which can improve the stability of the connection between the connecting beam 10 and the sill beam 20 , and the connecting beam 10 is connected to the sill beam 20 The lower side can shorten the distance between the lower side of the sill beam 20 and the battery pack 30 , which is convenient for assembling the battery pack 30 .

Referring to FIG. 10 , in some embodiments of the present invention, a pre-hanging structure is provided on the connecting beam 10 , and the connecting beam 10 is hooked to the threshold beam 20 through the pre-hanging structure, which can facilitate the assembly of the connecting beam 10 . The pre-hanging structure can also have the effect of pre-positioning, which provides convenience for subsequent assembly operations.

2 and 10, in some embodiments of the present utility model, the pre-hanging structure includes a hook 13, a hanging hole is provided on the sill beam 20, and the hook 13 is suitable for inserting into the hanging hole from bottom to top, and hooked on On the sill beam 20, it can be easily assembled, and the structure is simple and easy to manufacture.

In some embodiments of the present invention, the front and rear ends of the connecting beam 10 are provided with hooks 13, and the sill beam 20 is provided with a plurality of hanging holes corresponding to the hooks 13 respectively, which can be convenient for hooking and improve the positioning effect. It is convenient to further assemble the threshold beam 20 and the connecting beam 10 .

12 and 13, in some embodiments of the present invention, the hook 13 includes a first hook portion 131 and a second hook portion 132 with different shapes, and the hanging holes include a first through hole 141 and a second through hole with different shapes. In the hole 142 , the first hook portion 131 is adapted to pass through the first through hole 141 to hang on the door sill beam 20 , and the second hook portion 132 is suitable to pass through the second through hole 142 to hang on the door sill beam 20 .

Specifically, referring to FIG. 13 and FIG. 15 , the first hook portion 131 includes a first connecting piece 1311 and a first branch 1312 , the first connecting piece 1311 is connected to one end of the connecting beam 10 , and the first branch 1312 is connected to the first connecting piece 1311 and extend along the left-right direction, thus, in the up-down direction, the width dimension of the first branch part 1312 is larger than the width dimension of the first connecting part 1311, so that the first branch part 1312 and the first connecting part 1311 form a "T" shape The structure is suitable for being connected with the door sill beam 20 . The first via hole 141 includes a first matching hole 1411 and a second matching hole 1422 that communicate with each other, wherein the width dimension of the first matching hole 1411 is smaller than the width dimension of the second matching hole 1412, and the width dimension of the first matching hole 1411 Not less than the width dimension of the first connector 1311, so that the first connector 1311 can pass through the first fitting hole 1411, thus, the first fitting hole 1411 and the second fitting hole 1422 form a "T" shape structure, to Suitable for matching with the first hook part 131 . When assembling, first the first branch 1312 passes through the second matching hole 1412 in the up-down direction, and then moves the connecting beam 10 so that the first branch 1312 moves toward the first matching hole 1411, and the first connecting piece 1311 passes through the first matching hole 1411 , the left and right ends of the first branch portion 1312 are hooked to both sides of the first matching hole 1411 , so that the first through hole 141 can limit the position of the first hook portion 131 .

12 and 14, the second hook 132 includes a second connecting piece 1321 and a second branch 1322, the second connecting piece 1321 is connected to the other end of the connecting beam 10, and the upper end of the second connecting piece 1321 is connected to the second branch 1322, the second branch 1322 first extends upwards and then forwards, forming an "L" shape. The second via hole 142 is square, and the size of the second via hole 142 is not smaller than the size of the second branch portion 1322 extending forward, so that the second branch portion 1322 can pass through the second via hole 142 . During assembly, the second branch 1322 first passes through the second via hole 142 in the up-down direction, and then the connecting beam 10 is moved so that the "L"-shaped second branch 1322 is hooked on one side edge of the second via hole 142 to The second via hole 142 can limit the second hook portion 132 .

More specifically, referring to FIGS. 12 to 15 , the connecting beam 10 has a first position and a second position, and the connecting beam 10 is movable between the first position and the second position. When the connecting beam 10 is in the first position, the first branch 1312 of the first hook 131 passes through the second fitting hole 1422 of the first through hole 141 , and the second branch 1322 of the second hook 132 passes through the second through hole 142 , when the connecting beam 10 moves from the first position to the second position, the first branch 1312 moves from the second matching hole 1422 to the first matching hole 1421, so that the left and right ends of the first branch 1312 can be hooked on the first matching hole 1421 (that is, hooked on the sill beam 20); at the same time, the second branch 1322 moves to the edge of the second through hole 142, so that one side of the second branch 1322 and the second through hole The edge of 142 abuts, and the other side is hung on the door sill beam 20 .

Referring to Fig. 5 and Fig. 10, in some embodiments of the present invention, the connecting beam 10 includes a first connecting part 11 and a second connecting part 12, and the first connecting part 11 and the second connecting part 12 are stacked up and down and connected, The door sill beam 20 is connected to the first connecting part 11 through bolts 15, and the second connecting part 12 is connected to the battery pack 30 through bolts 15. Thus, the first connecting part 11 and the second connecting part 12 which are stacked up and down can connect the door sill beam 20 and the battery pack 30 are connected up and down, which is beneficial to eliminate the height difference between the sill beam 20 and the battery pack 30, and the connection through the bolt 15 can improve the stability of assembly. In combination with the foregoing, the connecting beam 10 can be hung on the sill beam 20 through the pre-hanging structure, so as to realize the pre-positioning of the connecting beam 10 , which is convenient for the operator to connect the bolts 15 , which is beneficial to simplify the assembly operation.

Further, referring to FIG. 10 , in some embodiments of the present invention, the first connecting portion 11 is provided with a plurality of first mounting holes 101 at intervals, and the bolts 15 are adapted to pass through the first mounting holes 101 to connect with the sill beam 20 , so as to fixedly connect the first connecting portion 11 to the rocker beam 20 .

Referring to FIG. 11 , in some embodiments of the present invention, the second connecting portion 12 is provided with a plurality of relief holes 103 , and the relief holes 103 and the first mounting hole 101 are arranged correspondingly up and down. The diameter of the relief holes 103 Larger than the diameter of the first installation hole 101 , the relief hole 103 can facilitate the bolt 15 to pass through the first installation hole 101 from bottom to top, which is convenient for assembly.

Referring to FIG. 11 , in some embodiments of the present invention, the second connecting portion 12 is provided with a plurality of second mounting holes 102 at intervals, and the bolts 15 are adapted to pass through the second mounting holes 102 to connect with the battery pack 30 so as to The second connecting portion 12 is fixedly connected to the battery pack 30 .

Furthermore, the number of the first mounting holes 101 is greater than the number of the second mounting holes 102 , which can improve the stability of the connection between the battery pack 30 and the door sill beam 20 , which is beneficial to improve the assembly stability of the battery pack 30 .

In some embodiments of the present utility model, the first installation hole 101 and the second installation hole 102 are arranged in a staggered manner, which can provide a space for the arrangement of the relief hole 103, and can make it possible to closely arrange multiple The connecting piece is beneficial to improve the structural strength and prevent the connecting beam 10 from being deformed.

According to the installation structure of the battery pack according to the embodiment of the present invention, Fig. 4 and Fig. 5 show a schematic diagram of the assembly of the second connecting part 12 and the battery pack 30, wherein the diameter d2 of the bolt 15 passing through the installation hole of the battery pack 30 is larger than that of the first 2. The diameter d1 of the mounting hole 102; Fig. 6 and Fig. 7 show the assembly diagrams of the first connecting portion 11 and the threshold beam 20, wherein the diameter d4 of the first mounting hole 101 of the bolt 15 is larger than the diameter d4 passing through the mounting hole of the threshold beam 20 diameter d3. Further, the connecting beam 10 also includes positioning holes for improving the installation stability, and Fig. 8 and Fig. 9 show the diameters of the mounting positioning holes of the connecting beam 10, wherein d5 and d6 are equal. For example, according to the installation structure of the battery pack according to a specific embodiment of the present invention, d1 can be 13 mm, d2 can be 17 mm, d3 can be 13 mm, d4 can be 11 mm, and d5 and d6 can be 11 mm . It should be noted that the utility model is mainly described by taking the above parameters as an example, but this is not a limitation to the scope of protection of the utility model, that is to say, the size of the multiple mounting holes can be adjusted according to the actual situation.

Optionally, the bolts 15 can be hexagonal flange bolts 15. In this way, the diameters of the first mounting hole 101 and the second mounting hole 102 can be increased to facilitate quick assembly, and the anti-loosening effect can also be improved to ensure connection stability. .

10, in some embodiments of the present utility model, the first connecting part 11 is a "U" shape with one end open, and the second connecting part 12 covers the open end of the first connecting part 11, so that the first connecting part A cavity 110 is formed between 11 and the second connecting portion 12, whereby a part of the plurality of bolts 15 can be accommodated in the cavity 110, which is beneficial to saving space and improving the overall arrangement effect. In addition, the cavity 110 can also have the effect of absorbing energy and buffering when the installation structure is impacted, which is beneficial to improving the stability of the structure.

More specifically, the first connecting part 11 includes a board main body and side boards, wherein the board main body extends along the front-to-back direction, and the side boards are connected to the left and right ends of the board main body and extend downwards, wherein the board main body is provided with a plurality of The convex part 111, the convex part 111 can configure the main body of the plate in an uneven form, which is beneficial to improve the structural strength, and the first installation hole 101 is provided on the convex part 111. Wherein, the hooks 13 are arranged at the front and rear ends of the board main body.

In some embodiments of the present invention, the first connection part 11 and the second connection part 12 are connected by welding, for example, by carbon dioxide shielded welding, which is beneficial to improve the stability of the connection.

Optionally, the connecting beam 10 may also be an integral structure, which is convenient for processing and manufacturing.

The vehicle 100 according to the embodiment of the present invention includes the aforementioned battery pack installation structure, and by applying the aforementioned battery pack installation structure to the vehicle 100 , the flexibility and stability of battery pack 30 assembly can be improved.

The installation structure of the battery pack according to a specific embodiment of the present invention will be described below with reference to the accompanying drawings.

The installation structure of the battery pack according to the embodiment of the utility model includes a threshold beam 20 and a connecting beam 10, wherein the connecting beam 10 includes a first connecting part 11 and a second connecting part 12, and the first connecting part 11 and the second connecting part 12 It is formed by carbon dioxide shielded welding, and by setting the connecting beam 10 between the door sill beam 20 and the battery pack 30, the installation problem of the battery pack 30 and the vehicle body door sill beam 20 can be solved.

Specifically, the connecting beam 10 includes a pre-hanging structure, and the pre-hanging structure includes a first hook portion 131 and a second hook portion 132 arranged at the front and rear ends of the first connecting portion 11. The first hook portion 131 and the second hook portion 132 have shapes Different, and the first hook portion 131 and the second hook portion 132 are suitable for being hooked into corresponding hanging holes on the door sill beam 20, so that the assembly workshop can complete assembly by one person.

Combining Figure 12 and Figure 15, when assembling, align the pre-hanging structure of the connecting beam 10 with the hanging hole of the threshold beam 20 from the initial position along the left-right direction and the front-rear direction, and lift the connecting beam 10 up and down to the threshold beam 20. Push the connecting beam 10 forward along the front and back direction after the surface is joined, so that the hook 13 of the pre-hanging structure can be hung into the corresponding hanging hole. Screw connection.

4 to 9, the connecting beam 10 is connected to the sill beam 20 through seven M10 hexagonal flange surface mounting bolts 15, one of which is the installation positioning hole of the connecting beam 10, and the diameter of the positioning hole is 11 mm, and the remaining six The diameter of the first mounting hole 101 is 13 mm.

Further, the battery pack 30 is connected to the second connecting portion 12 through four M12 and one M8 hexagonal flange mounting bolts 15, and the diameters of the mounting holes of the battery pack 30 are all 17 mm.

According to the installation structure of the battery pack in the embodiment of the present invention, the installation problem of the battery pack 30 and the vehicle body sill beam 20 can be solved by connecting the connecting beam 10 stacked and connected between the sill beam 20 and the battery pack 30 . At the same time, after the mounting bolts 15 of the battery pack 30 are broken, the connecting beam 10 can be directly replaced without replacing the sill beam 20 , which can realize quick replacement of the battery pack 30 and reduce maintenance costs.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "Bottom", "Inner", "Outer", "Radial", "Circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; may be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediary, and may be an internal communication between two elements or an interactive relationship between two elements, unless otherwise stated Clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature through an intermediary indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations of the present invention, and those skilled in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (11)

1. A battery pack installation structure, characterized in that it includes a threshold beam and a connecting beam, the connecting beam extends along the front-rear direction, and is stacked with the threshold beam, and the connecting beam is connected to the threshold beam , the connecting beam is configured to connect the battery pack, so as to install the battery pack on the door sill beam. 2 . The installation structure of the battery pack according to claim 1 , wherein the connecting beam is stacked and connected to the lower side of the door sill beam. 3 . 3 . The installation structure of the battery pack according to claim 2 , wherein a pre-hanging structure is provided on the connecting beam, and the connecting beam is hooked to the sill beam through the pre-hanging structure. 4 . 4. The installation structure of the battery pack according to claim 3, wherein the pre-hanging structure includes a hook, the sill beam is provided with a hanging hole, and the hook is suitable for being inserted into the hanging hook from bottom to top. hole, and hooked to the sill beam. 5. The installation structure of the battery pack according to claim 4, wherein the hooks are provided at the front and rear ends of the connecting beam, and the sill beams are provided with multiple hooks respectively corresponding to the hooks. a hanging hole. 6. The installation structure of the battery pack according to claim 1, wherein the connecting beam comprises a first connecting part and a second connecting part, and the first connecting part and the second connecting part are stacked up and down and connected together, the threshold beam is connected to the first connection part by bolts, and the second connection part is connected to the battery pack by bolts. 7. The installation structure of the battery pack according to claim 6, wherein a plurality of first installation holes are arranged at intervals on the first connecting part, and the bolts are adapted to pass through the first installation holes and the first installation holes. The sill beams are connected. 8. The installation structure of the battery pack according to claim 7, wherein the second connection part is provided with a plurality of relief holes, and the relief holes and the first installation hole are arranged correspondingly up and down , the diameter of the relief hole is larger than the diameter of the first installation hole. 9. The installation structure of the battery pack according to claim 6, wherein a plurality of second installation holes are arranged at intervals on the second connection part, and the bolts are adapted to pass through the second installation holes and the second installation holes. The battery pack is connected. 10. The installation structure of the battery pack according to any one of claims 6-9, characterized in that, The first connecting part is in the shape of a "U" with one end open, and the second connecting part covers the open end of the first connecting part so as to be between the first connecting part and the second connecting part. constructing a cavity; and/or The first connection part and the second connection part are connected by welding; and/or The connecting beam is an integral structure. 11. A vehicle, characterized by comprising the battery pack installation structure according to any one of claims 1-10.

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