CN217768628U - Battery tray, battery pack and vehicle - Google Patents

Abstract

The application relates to a battery tray, a battery pack and a vehicle. This battery tray includes tray body and first link, and tray body includes first lateral wall, and first lateral wall is the lateral wall of battery compartment, and first lateral wall length direction has the flexion. The first connecting frame comprises a first frame body and a first connecting piece, the first frame body comprises a connecting portion and a flanging portion with an included angle with the connecting portion, the flanging portion is arranged along the length direction of the first side wall and extends along with the bending of the bending portion, the flanging portion is connected to the tray body through the connecting portion, the first connecting piece is connected to the flanging portion, and the first connecting piece is used for connecting the vehicle body. The hemming portion can be conveniently connected with the vehicle body by forming an included angle between the hemming portion and the connecting portion. The flanging part is arranged along the length direction of the first side wall and extends along with the bending part in a bending mode, the flanging part can have the same curvature as the bending part, and when the flanging part is connected to a vehicle body with a radian through the first connecting piece, the first frame body can be stressed uniformly and is not easy to damage, and the flanging part has high reliability.

Description

Battery tray, battery pack and vehicle

Technical Field

The application relates to the technical field of batteries, in particular to a battery tray, a battery pack and a vehicle.

Background

With the rapid advance of environmental protection career, the new energy automobile industry is also rapidly developed. Among them, the driving mileage is one of the most concerned elements of the electric vehicle by the consumer, and the demand of the consumer for the driving mileage of the electric vehicle is increasing. And under the condition that the current energy density of the battery is certain, the endurance of the electric vehicle can be effectively improved only by increasing the capacity of the battery core.

In order to promote the tray and bear more electric cores, there is the scheme at present to prolong tray length, but the automobile body of vehicle because the influence of exterior structures such as wheel, longer tray need set up the exterior structure of flexion in order to adapt to the automobile body at anterior segment or end, and rethread connection structure connects the tray in the automobile body, nevertheless sets up connection structure at the flexion and very easily leads to the tray atress uneven and damage, and the reliability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a battery tray, a battery pack, and a vehicle having higher reliability.

A battery tray, comprising:

the tray body comprises a first side wall, the first side wall is a side wall of the battery compartment, and a bent part is arranged in the length direction of the first side wall; and

the first connecting frame comprises a first frame body and a first connecting piece, the first frame body comprises a connecting portion and a flanging portion with an included angle formed by the connecting portion, the flanging portion is arranged along the length direction of the first side wall and extends along the bending portion in a bending mode, the flanging portion is connected to the tray body through the connecting portion, the first connecting piece is connected to the flanging portion, and the first connecting piece is used for connecting the vehicle body.

It will be appreciated that the attachment of the hem portion to the vehicle body can be facilitated by angling the hem portion with the attachment portion. And with turn-ups portion along the length direction setting of first lateral wall and along with the crooked extension of flexion, then can make turn-ups portion can have the same camber with the flexion to when connecting in the automobile body that has the radian through first connecting piece, make first support body can the atress even and not fragile, have higher reliability.

In one embodiment, the first connecting member is integrally formed with the flange portion.

It can be understood that the reliability of the connection of the first connecting piece and the first frame body can be effectively ensured by integrally forming the first connecting piece on the flanging part.

In one embodiment, the tray body further comprises a bottom wall connected to the first side wall to enclose the battery compartment; and

the first frame body further comprises an extension portion, the connecting portion is connected to the first side wall, and the extension portion is bent and extended from the connecting portion and connected to the bottom wall.

It can be understood that, connect in the diapire of first lateral wall through the setting, then can bear the battery in vertical direction, promote the tray and bear the stability of battery, avoid the battery to drop in the tray by vertical direction. Through setting up the extension at first support body to connect extension buckle in the diapire, then can increase the connection face of first support body and battery tray, so that increase the hookup point (like welding point, riveting point etc.) between first support body and the tray body. Therefore, the connection strength of the first connecting frame and the tray body can be further ensured.

In one embodiment, the battery tray further includes a second side wall, the first side wall, the second side wall and the bottom wall enclose the battery compartment, and the first frame further includes a reinforcing portion extending from the extending portion to connect the second side wall.

It can be understood that the connection surface of the first frame body and the battery tray is further increased by arranging the reinforcing part, so that the connection strength of the first frame body and the battery tray is improved.

In one embodiment, the battery tray further comprises a second connecting frame, the second connecting frame comprises a second frame body and a second connecting piece, and the second connecting frame is connected to the tray body and/or the first frame body; and

the second connecting piece certainly the second support body orientation deviates from the lateral buckling of battery compartment extends, just the second connecting piece connect in first connecting piece.

It can be understood that the second connecting frame is arranged to improve the connecting strength of the first connecting frame and the tray body and enhance the capacity of the first connecting frame for bearing external force. The second connecting piece is connected with the first connecting piece, so that the strength of the first connecting piece can be effectively improved.

In one embodiment, the second frame body includes a matching portion connected to the connecting portion, and a bending portion extending from the matching portion and connected to the first connecting member.

It can be understood that the matching part is used for connecting the second frame body to the connecting part, and the bending part is arranged to increase the area of the connecting surface of the second frame body and the first frame body so as to ensure the reliability of the connection between the second frame body and the first frame body.

In one embodiment, the first connecting member has a first connecting position, the second connecting member has a second connecting position, and the first connecting position and the second connecting position are through holes allowing bolts to pass through, so as to connect to the vehicle body through the bolts passing through the through holes.

It can be understood that, because the through hole is easy to process, the first connecting position and the second connecting position are both arranged as the through hole, so that the production and processing cost can be effectively reduced. And the through holes are penetrated through by bolts to be connected with the vehicle body, so that the battery tray can be installed or detached on the vehicle body, and the battery tray can be maintained in the following process.

In one embodiment, the second connecting piece is provided with an arc-shaped surface, the arc-shaped surface is bent along with the flanging part, and the second connecting piece is connected to the first connecting piece through the arc-shaped surface.

It can be understood that, since the burring part extends with the bending of the bent part, and the first connecting member is integrally formed at the burring part. Therefore, the arc-shaped surface is arranged on the second connecting piece, so that the second connecting piece can be conveniently connected with the first connecting piece.

A battery pack comprises a battery and the tray, wherein the battery is arranged in the battery bin.

It can be understood that the reliability of connection between the battery pack and the vehicle body can be effectively improved by arranging the battery pack on the battery tray.

A vehicle, the vehicle includes the automobile body and above-mentioned tray, the tray is connected to the automobile body.

It can be understood that the vehicle can be provided with a battery of a larger capacity through the battery tray and has higher reliability by providing the above battery tray on the vehicle.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the description of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic illustration of a battery tray according to one embodiment of the present disclosure;

FIG. 2 is an enlarged view of the structure at A in the embodiment of FIG. 1;

fig. 3 is a schematic diagram of an exploded structure of a battery tray according to one embodiment of the present application;

FIG. 4 is an enlarged schematic view of the structure at B in the embodiment of FIG. 3;

FIG. 5 is a schematic illustration of a first linkage according to one embodiment of the present application;

fig. 6 is a schematic structural diagram of a second connecting frame according to one embodiment of the present application.

Reference numerals: 10. a tray body; 11. a first side wall; 111. a bending section; 12. a second side wall; 13. a bottom wall; 14. a battery compartment; 20. a first connecting frame; 21. a first frame body; 211. a connecting portion; 212. flanging part; 213. an extension portion; 214. a reinforcing portion; 22. a first connecting member; 221. a first connection site; 30. a second link frame; 31. a second frame body; 311. a fitting portion; 312. a bending section; 32. a second connecting member; 321. a second connection bit; 322. an arc-shaped surface; 40. a seal member; 50. a reinforcement; 51. a sleeve portion; 52. a boss portion; 100. a battery tray.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The use of the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like in the description of the present application is for purposes of illustration only and is not intended to represent the only embodiment.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of this application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, in order to provide a battery tray 100 according to the present invention, the battery tray 100 includes a tray body 10 and a first connecting frame 20. The tray body 10 includes a first sidewall 11, the first sidewall 11 is a sidewall of the battery compartment 14, and the first sidewall 11 has a bent portion 111 in a length direction. The first connecting frame 20 includes a first frame body 21 and a first connecting member 22, the first frame body 21 includes a connecting portion 211 and a flange portion 212 having an included angle with the connecting portion 211, the flange portion 212 is disposed along the length direction of the first side wall 11 and extends along the bending portion 111, the flange portion 212 is connected to the tray body 10 through the connecting portion 211, and the first connecting member 22 is connected to the flange portion 212.

It is understood that the tray body 10 can be coupled to a vehicle body (not shown) through the first coupling frame 20 by providing the first coupling frame 20. The first frame body 21 can be coupled to the side wall of the tray body 10 by the coupling portion 211, thereby achieving the coupling of the first coupling frame 20 to the battery tray 100.

As shown in fig. 1 to 4, the attachment of the burring 212 to the vehicle body can be facilitated by forming the burring 212 at an angle to the connecting portion 211. The flanging part 212 is disposed along the length direction of the first sidewall 11 and extends along with the bending part 111 in a bending manner, so that the flanging part 212 and the bending part 111 have the same curvature, and when the first connecting member 22 is connected to a vehicle body with a radian, the first frame body 21 can be uniformly stressed and is not easily damaged, and therefore, the reliability is high. Preferably, the first connector 22 is integrally formed with the cuff 212. By integrally forming the first connecting member 22 on the flanging portion 212, the reliability of the connection between the first connecting member 22 and the first frame body 21 can be effectively ensured.

Further, as shown in fig. 1 and 3, the tray body 10 further includes a bottom wall 13, the bottom wall 13 is connected to the first side wall 11, and the first side wall 11, the second side wall 12 and the bottom wall 13 jointly enclose a battery compartment 14. The first frame 21 further includes an extending portion 213, the connecting portion 211 is connected to the first sidewall 11, and the extending portion 213 is bent and extended from the connecting portion 211 and connected to the bottom wall 13.

Through the bottom wall 13 connected to the first side wall 11, a battery (not shown) can be supported in the vertical direction, so that the stability of the battery supported by the battery tray 100 is improved, and the battery is prevented from falling off from the tray in the vertical direction. By providing the extension portion 213 on the first frame 21 and bending the extension portion 213 to connect to the bottom wall 13, the area of the connection surface between the first frame 21 and the battery tray 100 can be increased, so as to increase the connection points (such as welding points, riveting points, etc.) between the first frame 21 and the tray body 10. The coupling strength of the first coupling frame 20 to the tray body 10 can be further secured. It is worth mentioning that the connection surface stated in the present application is a contact surface overlapped by connecting the two.

As shown in fig. 1 and 5, the battery tray 100 further includes a second side wall 12, the first side wall 11, the second side wall 12 and the bottom wall 13 enclose a battery compartment 14, and the first frame 21 further includes a reinforcing portion 214, and the reinforcing portion 214 is bent and extended from the extending portion 213 to connect with the second side wall 12. By providing the reinforcing part 214, the connection surface of the first frame body 21 and the battery tray 100 is further increased, so that the connection strength of the first frame body 21 and the battery tray 100 is improved.

Since the first side wall 11 and the second side wall 12 of the battery tray 100 jointly enclose the battery compartment 14, the first side wall 11 and the second side wall 12 form an included angle, so that the reinforcing part 214 formed by bending and extending the extending part 213 can be connected to the tray body 10 in another direction. In the present embodiment, the first connecting frame 20 connects the tray body 10 from three directions perpendicular to the first side wall 11, the second side wall 12 and the bottom wall 13, so that the first connecting frame 20 is stably connected to the tray body 10, even when the first connecting frame 20 is separated from the tray body 10 in one direction, connecting points (not shown) in the other two directions can still restrain the battery tray 100 to prevent the first connecting frame 20 from being separated from the tray body 10.

It is worth mentioning that the present invention is not limited to the specific form and number of the attachment sites. The number of the welding, riveting, bolt connection and the like can be selected according to actual needs and applicable scenes, and the corresponding number can be adaptively selected according to the actual needs.

As shown in fig. 2 to 6, the battery tray 100 further includes a second connecting frame 30, the second connecting frame 30 includes a second frame body 31 and a second connecting member 32, and the second connecting frame 30 is connected to the tray body 10 and/or the first frame body 21. The second connecting member 32 is bent and extended from the second frame body 31 to a side away from the battery compartment 14, and the second connecting member 32 is connected to the first connecting member 22. The second connecting frame 30 is arranged to enhance the connecting strength between the first connecting frame 20 and the tray body 10 and enhance the capability of the first connecting frame 20 to bear external force. By connecting the second connecting member 32 with the first connecting member 22, the strength of the first connecting member 22 can be effectively improved.

In the present embodiment, the second connecting frame 30 and the first frame 21 are riveted to the tray body 10 together, so that the three can be connected stably. In other embodiments, the second coupling frame 30 can be coupled to the first frame body 21 or the tray body 10. The utility model discloses do not do specific restriction to the concrete hookup location of second link 30 and connected mode, can select according to actual need adaptability. It is worth mentioning that the second connecting member 32 is bent and extended from the second frame body 31 toward a side away from the battery compartment 14 so as to expand the volume of the battery compartment 14.

Specifically, the second frame 31 includes a matching portion 311 and a bending portion 312, the matching portion 311 is connected to the connecting portion 211, the second connecting member 32 is bent from the matching portion 311 and extends and is connected to the first connecting member 22, and the bending portion 312 is bent from the matching portion 311 and extends and is connected to the extending portion 213. The engaging portion 311 is used to connect the second frame 31 to the connecting portion 211, and the bending portion 312 is used to increase the area of the connecting surface between the second frame 31 and the first frame 21, so as to ensure the reliability of the connection therebetween.

Preferably, the second link 32 has an arc-shaped surface 322, the arc-shaped surface 322 is curved with the flange part 212, and the second link 32 is connected to the first link 22 through the arc-shaped surface 322. Since the burring part 212 extends with the bending part 111, the first connecting member 22 is integrally formed with the burring part 212. Thus, an arcuate surface 322 is provided on the second link 32 to facilitate the connection of the second link 32 to the first link 22.

Further, as shown in fig. 4 to 6, the first connecting member 22 has a first connecting position 221, the second connecting member 32 has a second connecting position 321, and the first connecting position 221 and the second connecting position 321 are through holes allowing bolts to pass through, so as to be connected to the vehicle body through the through holes. In the present embodiment, since the through hole is easy to process, the first connection position 221 and the second connection position 321 are both configured as through holes, which can effectively reduce the production and processing costs. The battery tray 100 can be mounted on or removed from the vehicle body by inserting the bolts through the through holes to be connected to the vehicle body, so that the battery tray 100 can be maintained.

In other embodiments, can set up joint structure or welded structure with first connecting piece 22 and second connecting piece 32 in order to connect the automobile body, the utility model discloses do not do specific restriction to the mode that first connecting piece 22 and second connecting piece 32 connect in the automobile body, can select according to actual scene and needs adaptability.

It should be noted that the battery tray 100 further includes a sealing member 40, the sealing member 40 is disposed on the flange portion 212, the battery tray 100 further includes a reinforcing member 50, the reinforcing member 50 includes a sleeve portion 51 and a boss portion 52, the boss portion 52 is located at one end of the sleeve portion 51, the outer peripheral wall of the sleeve portion 51 is connected to the inner wall of the through hole, and the upper surface of the boss portion 52 and the sealing member 40 are located on the same plane. By providing the sealing member 40, the sealing effect is further improved, and the damage to the battery caused by the moisture entering the battery compartment 14 is avoided.

In this embodiment, the stiffener 50 is a rigid bushing. The outer peripheral wall of the sleeve portion 51 is welded to the inner wall of the through-holes in the first connector 22 and the second connector 32, thereby further increasing the reliability of connection between the first connector 22 and the second connector 32. By locating the upper surface of the boss portion 52 and the sealing member 40 on the same plane, the sealing member 40 can be attached to the vehicle body more closely when the first connecting member 22 is connected to the vehicle body, so that a better sealing effect can be obtained. It is worth mentioning that the boss portion 52 can also serve as a limit in the vertical direction, preventing the sealing member 40 from being compressed excessively by the vehicle body to cause a sealing failure.

The utility model also provides a battery package (not shown), including foretell battery and the above-mentioned battery tray 100 of battery, the battery is installed in battery compartment 14. By arranging the battery pack on the battery tray 100, the reliability of connection between the battery pack and the vehicle body can be effectively improved. It is worth mentioning that, compared with the battery tray 100 in the prior art, the battery tray 100 is easier to adapt to the vehicle body due to the arrangement of the bending portion 111, so that more battery cells can be arranged, and the vehicle using the battery pack has more endurance.

The utility model also provides a vehicle (not shown), the vehicle includes the automobile body and as above-mentioned battery tray 100, battery tray 100 connects in the automobile body. By providing the battery tray 100 on the vehicle, the vehicle can be provided with a battery with a larger capacity through the battery tray 100, and the reliability is higher.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. A battery tray, comprising:

the tray body (10) comprises a first side wall (11), the first side wall (11) is a side wall of a battery compartment (14), and a bent part (111) is arranged in the length direction of the first side wall (11); and

first link frame (20), including first support body (21) and first connecting piece (22), first support body (21) including connecting portion (211) and with connecting portion (211) have turn-ups portion (212) of contained angle, turn-ups portion (212) are followed the length direction setting of first lateral wall (11) just follows flexion (111) crooked extension, turn-ups portion (212) pass through connecting portion (211) connect in tray body (10), first connecting piece (22) connect in turn-ups portion (212), first connecting piece (22) are used for connecting the automobile body.

2. The battery tray according to claim 1, wherein the first connector (22) is integrally formed with the flange portion (212).

3. The battery tray according to any of claims 1 or 2, characterized in that the tray body (10) further comprises a bottom wall (13), the bottom wall (13) being connected to the first side wall (11) to enclose the battery compartment (14); and

the first frame body (21) further comprises an extending portion (213), the connecting portion (211) is connected to the first side wall (11), and the extending portion (213) is bent and extended from the connecting portion (211) and connected to the bottom wall (13).

4. The battery tray according to claim 3, further comprising a second side wall (12), wherein the first side wall (11), the second side wall (12) and the bottom wall (13) enclose the battery compartment (14), and wherein the first frame body (21) further comprises a reinforcing portion (214), and the reinforcing portion (214) extends from the extending portion (213) in a bending manner to connect with the second side wall (12).

5. The battery tray according to claim 3, further comprising a second connection frame (30), wherein the second connection frame (30) comprises a second frame body (31) and a second connecting piece (32), and the second connection frame (30) is connected to the tray body (10) and/or the first frame body (21); and

the second connecting piece (32) extends from the second frame body (31) towards the side bending away from the battery compartment (14), and the second connecting piece (32) is connected to the first connecting piece (22).

6. The battery tray according to claim 5, wherein the second frame body (31) comprises an engaging portion (311) and a bending portion (312), the engaging portion (311) is connected to the connecting portion (211), the second connecting member (32) extends from the engaging portion (311) and is connected to the first connecting member (22), and the bending portion (312) extends from the engaging portion (311) and is connected to the extending portion (213).

7. The battery tray as set forth in claim 5, wherein the first connecting member (22) is provided with a first connecting position (221), the second connecting member (32) is provided with a second connecting position (321), and the first connecting position (221) and the second connecting position (321) are through holes allowing bolts to pass through, so as to be connected to the vehicle body through the through holes.

8. The battery tray according to claim 5, wherein the second connecting member (32) has an arc-shaped face (322), the arc-shaped face (322) being curved with the burring (212), the second connecting member (32) being connected to the first connecting member (22) through the arc-shaped face (322).

9. A battery pack, characterized in that it comprises batteries and a battery tray according to any one of claims 1 to 8, said batteries being mounted in said battery compartment (14).

10. A vehicle characterized by comprising a vehicle body and a battery tray according to any one of claims 1 to 8, the battery tray being attached to the vehicle body.

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