CN215552507U - Torsion beam rear overhang support for installing battery - Google Patents

Torsion beam rear overhang support for installing battery Download PDF

Info

Publication number
CN215552507U
CN215552507U CN202121815290.7U CN202121815290U CN215552507U CN 215552507 U CN215552507 U CN 215552507U CN 202121815290 U CN202121815290 U CN 202121815290U CN 215552507 U CN215552507 U CN 215552507U
Authority
CN
China
Prior art keywords
plate
battery pack
torsion
flanging
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121815290.7U
Other languages
Chinese (zh)
Inventor
王巽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Automobile Group Co Ltd
Original Assignee
Guangzhou Automobile Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Automobile Group Co Ltd filed Critical Guangzhou Automobile Group Co Ltd
Priority to CN202121815290.7U priority Critical patent/CN215552507U/en
Application granted granted Critical
Publication of CN215552507U publication Critical patent/CN215552507U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a torsion beam rear overhang support for installing a battery, which comprises: the torsion beam supporting plate is provided with a surface matched with an arching area of a vehicle body longitudinal beam, a vehicle body connecting hole is formed in the surface, a first flanging surface and a second flanging surface are formed by flanging downwards from the surface, the first flanging surface and the second flanging surface are oppositely arranged, and torsion beam rear overhang mounting holes are formed in the first flanging surface and the second flanging surface; the battery pack outer plate comprises a battery pack mounting hole, the upper portion of the battery pack outer plate is fixedly connected with the second flanging surface, and the battery pack mounting hole is formed in the lower portion of the battery pack outer plate. The utility model can ensure that the X-direction edge of the battery pack can be positioned below the arched area of the vehicle body longitudinal beam, and the X-direction boundary designed by the battery pack is expanded.

Description

Torsion beam rear overhang support for installing battery
Technical Field
The utility model relates to the technical field of battery installation of electric automobiles, in particular to a torsion beam rear overhang support for installing a battery.
Background
Increasing the volume of the battery pack to increase the battery capacity is the most direct and effective method for improving the endurance mileage of the electric vehicle. However, when the battery pack is located at the rear of the vehicle body, as shown in fig. 1, since the vehicle body side member I tends to rise upward when approaching the rear axle, it is not possible to provide a reliable attachment point for the battery pack II, and therefore in most vehicle structures, such as a vehicle using a torsion beam rear overhang, the edge of the battery pack II is stopped at the position where the vehicle body side member I approaches the rear axle.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a torsion beam rear suspension bracket for mounting a battery, which can provide a reliable mounting point for a torsion beam rear suspension and a battery pack at the same time, and which can extend the boundary area of the battery pack in the X direction in the vehicle body coordinate system.
The utility model provides a torsion beam rear overhang support for installing a battery, which comprises:
the torsion beam supporting plate is provided with a surface matched with an arching area of a vehicle body longitudinal beam, a vehicle body connecting hole is formed in the surface, a first flanging surface and a second flanging surface are formed by flanging downwards from the surface, the first flanging surface and the second flanging surface are oppositely arranged, and torsion beam rear overhang mounting holes are formed in the first flanging surface and the second flanging surface;
the battery pack outer plate comprises a battery pack mounting hole, the upper portion of the battery pack outer plate is fixedly connected with the second flanging surface, and the battery pack mounting hole is formed in the lower portion of the battery pack outer plate.
Optionally, the second flanging surface is clamped between the outer plate of the battery pack and the first flanging surface, a first nut is welded on the outer plate of the battery pack, and the first nut and the mounting hole of the battery pack are arranged in alignment.
Optionally, a second nut is welded on the torsion beam support plate, the second nut is fixedly connected with the second flanging surface, and the second nut and the torsion beam rear overhang mounting hole on the second flanging surface are arranged in alignment.
Optionally, an avoiding portion is arranged on the outer plate of the battery pack and located near the second nut, and the avoiding portion is recessed towards a direction away from the second nut so as to provide a margin space for preventing damage to the outer plate of the battery pack when the fixing device penetrates through the second nut.
Optionally, the torsion beam structure further comprises a battery pack inner plate, the battery pack inner plate is arranged below the torsion beam support plate and located between the first flanging surface and the battery pack outer plate, the upper portion of the battery pack inner plate is fixedly connected with one side, far away from the battery pack outer plate, of the second flanging surface through welding, and the lower portion of the battery pack inner plate is fixedly connected with the battery pack outer plate through welding.
Optionally, the inner plate of the battery pack comprises a hollowed-out assembly space, the assembly space is located in the middle of the inner plate of the battery pack, and the assembly space enables the first flanging surface, the torsion beam rear overhang mounting holes on the second flanging surface, and the second nuts to be in a communicated state.
Optionally, the rear side of the inner plate of the battery pack is fixedly connected with the outer plate of the battery pack, so that an enclosing structure is formed between the inner plate of the battery pack and the outer plate of the battery pack.
Optionally, the battery pack further comprises an auxiliary support plate, one end of the auxiliary support plate is fixedly connected with the first flanging surface, and the other end of the auxiliary support plate is fixedly connected with the inner plate of the battery pack.
Optionally, the auxiliary supporting plate is L-shaped, and reinforcing ribs are arranged at corners of the auxiliary supporting plate.
Optionally, a positioning area is arranged on the upper surface of the torsion beam support plate, and a positioning hole is arranged in the positioning area.
In conclusion, the utility model has the following beneficial effects: the X-direction edge of the battery pack can be positioned below the arched area of the vehicle body longitudinal beam, and the X-direction boundary of the battery pack design is expanded.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view showing the relative positions of a battery pack and a vehicle body side member.
Fig. 2 is an assembly schematic view of a torsion beam rear suspension bracket and a torsion beam rear suspension provided in an embodiment of the present invention.
Fig. 3 is an exploded view of a torsion beam rear suspension bracket according to an embodiment of the present invention.
Fig. 4 is a schematic structural view (first angle) of a torsion beam rear overhang bracket according to an embodiment of the present invention.
Fig. 5 is a schematic structural view (second angle) of the torsion beam support plate in the embodiment of the present invention.
Fig. 6 is a schematic structural view (third angle) of the torsion beam support plate in the embodiment of the present invention.
Fig. 7 is a schematic structural view (fourth angle) of the torsion beam rear overhang bracket according to the embodiment of the present invention.
Fig. 8 is a schematic diagram illustrating a positional relationship between the outer plate of the battery pack and the second nut according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of an inner plate of a battery pack according to an embodiment of the present invention.
Description of the reference numerals
I, a vehicle body longitudinal beam and II, a battery pack;
1-torsion beam rear suspension, 11-crossbeam;
2-torsion beam rear suspension bracket, 21-torsion beam support plate, 211-first flanging surface, 212-second flanging surface, 213-positioning area, 214-positioning hole, 215-vehicle body connecting hole, 216-second nut, 217-torsion beam rear suspension mounting hole, 22-battery pack outer plate, 221-avoiding part, 222-battery pack mounting hole, 23-battery pack inner plate, 231-assembling space, 24-auxiliary support plate, 241-reinforcing rib and 25-first nut;
and 3, fixing the part.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
The terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
As shown in fig. 2, the present embodiment provides a torsion beam rear suspension bracket 2 for mounting a battery pack II, and the torsion beam rear suspension bracket 2 is suitable for a vehicle having a torsion beam rear suspension and can provide a reliable mounting point for the torsion beam rear suspension and the battery pack II at the same time.
As described above, the upper portion of the torsion beam rear suspension bracket 2 is fixedly connected to a vehicle body (not shown) through the fixing member 3, and the middle portion thereof has a torsion beam rear suspension mounting point. Specifically, the torsion beam rear suspension 1 has two forward-extending end portions on the left and right sides of the cross member 11, and the two end portions extend into the middle of the torsion beam rear suspension bracket 2 and are connected to the torsion beam rear suspension bracket 2.
Referring further to fig. 3 and 4, the torsion beam rear suspension bracket 2 includes a torsion beam support plate 21, a battery pack outer plate 22, a battery pack inner plate 23, and an auxiliary support plate 24. The torsion beam support plate 21 is positioned at the upper part of the torsion beam rear overhang support 2, and is provided with a surface which can be attached to an arched area of a vehicle body longitudinal beam I, and a downward turn-up is arranged on the periphery of the attached surface; on two sides of the vehicle body longitudinal beam I, the flanging comprises a first flanging surface 211 and a second flanging surface 212 which are opposite, the first flanging surface 211 is positioned on one side of the torsion beam support plate 21 far away from the center of the cross beam 11, the second flanging surface 212 is positioned on one side of the torsion beam support plate 21 close to the center of the cross beam 11, and the first flanging surface and the second flanging surface play a role in fixedly connecting with the torsion beam rear overhang 1.
As described above, the upper portion of the pack outer plate 22 is fixedly connected to the second turned-over surface 212 by welding, and the second turned-over surface 212 is located between the first turned-over surface 211 and the pack outer plate 22. A platform extending in the direction of the first flanging surface 211 is arranged at the lower part of the outer battery pack plate 22, namely at the other end far away from the welding position of the outer battery pack plate 22 and the second flanging surface 212, a battery pack mounting hole 222 for mounting a battery pack is arranged on the platform in a penetrating way, a first nut 25 is arranged on the periphery of the battery pack mounting hole 222, and the first nut 25 is fixedly connected with the outer battery pack plate 22 through welding.
In view of the above, the battery pack inner plate 23 is located between the first flanging surface 211 and the battery pack outer plate 22 below the torsion beam support plate 21, the upper portion of the battery pack inner plate is fixedly connected with one side, away from the battery pack outer plate 22, of the second flanging surface 212 by welding, the lower portion of the battery pack inner plate is fixedly connected with the battery pack outer plate 22 by welding, and a space is enclosed by the battery pack outer plate 22, so that the second flanging surface 212, the battery pack mounting hole 222 and the first nut 25 are all located in the space.
As described above, the auxiliary stay 24 is located on the side of the torsion beam rear suspension bracket 2 away from the cross member 11 in the left-right direction, that is, the outermost side of the entire torsion beam rear suspension bracket 2. The torsion beam support plate 21 is approximately L-shaped, one end of the torsion beam support plate is fixedly connected with one side, away from the cross beam 11, of the first flanging surface 211 of the torsion beam support plate 21 through welding, and the other end of the torsion beam support plate extends to the lower portion of the torsion beam support plate 21 and is fixedly connected with the battery pack inner plate 23 through welding.
Specifically, referring to fig. 5, the torsion beam support plate 21 has a shape similar to a cover due to the flanged structure. Four vehicle body connecting holes 215 are respectively formed at four corners of the top end of the torsion beam support plate 21, and are used for being matched with the fixing piece 3 to connect the torsion beam support plate 21 and the vehicle body longitudinal beam I. In addition, a positioning region 213 is provided on the top surface of the torsion beam support plate 21, the positioning region 213 being recessed in the upper surface of the torsion beam support plate 21 and protruding in the lower surface of the torsion beam support plate 21, and a positioning hole 214 being provided therein; the positioning area 213 and the positioning hole 214 form a shape similar to a corresponding area (not shown) on the body side member I, and the positioning area 213 is aligned with the positioning hole 214 and the corresponding area on the body side member I, so that the correct mounting position of the torsion beam rear suspension bracket 2 on the body side member I can be quickly determined, and the quick assembly between the whole torsion beam rear suspension bracket 2 and the body side member I is facilitated.
It should be noted that the corresponding region on the body side member I described herein may be an existing structure located in the arching region of the body side member I, or may be a corresponding feature region designed on the arching region of the body side member I specifically for positioning in cooperation with the torsion beam rear suspension bracket 2, which can be flexibly designed by those skilled in the art as needed. In the present embodiment, a projection capable of engaging with the positioning region 213 and the positioning hole 214 is provided on the side member I.
As mentioned above, with further reference to fig. 6 and 7, the first flanging surface 211 and the second flanging surface 212 of the torsion beam support plate 21 are respectively provided with torsion beam rear overhang mounting holes 217 penetrating through the first flanging surface 211 and the second flanging surface 212, and the torsion beam rear overhang mounting holes 217 on the first flanging surface 211 are aligned with the torsion beam rear overhang mounting holes 217 on the second flanging surface 212; on the second flanging surface 212, a second nut 216 is fixedly connected with the second flanging surface 212 through welding, and the second nut 216 is located in a space enclosed by the battery pack inner plate 23 and the battery pack outer plate 22 and is aligned with the torsion beam rear overhang mounting hole 217 on the second flanging surface 212.
As described above, when the torsion beam rear overhang bracket 2 and the torsion beam rear overhang 1 are assembled, the connection between the torsion beam rear overhang 1 and the torsion beam rear overhang bracket 2 can be completed only by sequentially passing the corresponding fixing device through the torsion beam rear overhang mounting hole 217 on the first flanging surface 211, the torsion beam rear overhang mounting hole 217 on the torsion beam rear overhang 1, the torsion beam rear overhang mounting hole 212 on the second flanging surface 212, and the second nut 216. And then, tightening the fixing device to fixedly connect the torsion beam rear suspension 1 and the torsion beam rear suspension bracket 2.
In view of the above, referring to fig. 8, an avoiding portion 221 is further disposed on the upper surface of the outer plate 22 of the battery pack, and the avoiding portion 221 is located near the second nut 216 and is formed by stamping the upper portion of the outer plate 22 of the battery pack from one side close to the first nut 25 to the other side of the outer plate 22 of the battery pack away from the first nut 25; on the side of the relief portion 211 facing the second nut 216, the relief portion 221 is recessed away from the second nut 216 to provide a margin space when a fixing device such as a bolt passes through the second nut 216, thereby preventing the outer plate 22 of the battery pack from being damaged during the process of installing the fixing device.
With reference to fig. 9, in the present embodiment, the inner plate 23 of the battery pack is approximately V-shaped, and the middle portion of the inner plate 23 of the battery pack has a hollow assembly space 231, and the assembly space 231 breaks the continuous boundary of the upper portion of the inner plate 23 of the battery pack, so that the upper portion of the inner plate 23 of the battery pack has two end portions separated from each other; the two end parts are fixedly connected with the second flanging surfaces 212 through welding respectively, the rear side edge of the battery pack inner plate 23 is fixedly connected with the battery pack outer plate 22 through welding, the welding area on the rear side of the battery pack inner plate 23 is connected with the lower part of the welding area and the welding area of the battery pack outer plate 22, and a stable enclosing structure similar to a box shape is formed between the battery pack outer plate 22 and the battery pack inner plate 23.
In view of the above, please refer back to fig. 3, a reinforcing rib 241 is further disposed at the corner of the middle portion of the L-shaped auxiliary support plate 24, and the reinforcing rib 241 is in a shape of a Chinese character 'hui', so that the supporting strength of the auxiliary support plate 24 can be improved.
In summary, the various assembly design objectives of the present invention are as follows:
1. the battery pack mounting hole 222 is matched with the first nut 25, so that a reliable mounting point can be provided for the battery pack II;
2. the assembly space 231 on the inner plate 23 of the battery pack enables the torsion beam rear overhang mounting holes 217 on the first flanging surface 211 and the second flanging surface 212 to be in an unobstructed communication state with the second nut 216, so that the torsion beam rear overhang 1 and the torsion beam rear overhang support 2 can be assembled conveniently; the box-like stable structure of approximation between battery package outer plate 22 and battery package inner plate 23 can ensure sufficient joint strength to help improving battery package mounting hole 222 and as the NVH (Noise, Vibration, Harshness, Noise, Vibration and sound Vibration roughness) performance of battery package II mounting point, the concrete principle is:
because the welding connection area of the battery pack inner plate 23 and the battery pack outer plate is limited, a spacing space exists between the battery pack outer plate 22 and the battery pack inner plate 23, and the box-shaped structure has a certain sectional area, when noise generated in the driving process passes through the box-shaped structure, a considerable part of energy of the noise is lost in the air.
3. The design of the auxiliary support plate can provide lateral support for the inner plate 23 of the battery pack, thereby indirectly improving the dynamic stiffness of the battery pack mounting hole 222.
Based on this, through setting up the torsion beam extension board 21 that can laminate with the automobile body longeron I hunch-up region, and can be with torsion beam rear overhang 1 fixed connection, and set up the battery package planking 22 that can provide the mounting point for battery package II below torsion beam extension board 21, the utility model makes the X of battery package II edge can be located the below of automobile body longeron I hunch-up region, has expanded the X of battery package II design and has moved to the border.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A torsion beam rear overhang support for installing a battery, comprising:
the torsion beam supporting plate (21) is provided with a surface matched with an arch area of a vehicle body longitudinal beam (I), a vehicle body connecting hole (215) is formed in the surface, a first flanging surface (211) and a second flanging surface (212) are formed by flanging downwards from the surface, the first flanging surface (211) and the second flanging surface (212) are oppositely arranged, and torsion beam rear overhang mounting holes (217) are formed in the first flanging surface (211) and the second flanging surface (212);
the battery pack outer plate (22) comprises a battery pack mounting hole (222), the upper part of the battery pack outer plate (22) is fixedly connected with the second flanging face (212), and the battery pack mounting hole (222) is formed in the lower part of the battery pack outer plate (22).
2. The torsion beam rear overhang support for mounting a battery according to claim 1, wherein the second flanging surface (212) is clamped between the outer battery pack plate (22) and the first flanging surface (211), a first nut (25) is welded on the outer battery pack plate (22), and the first nut (25) is aligned with the battery pack mounting hole (222).
3. The torsion beam rear overhang support for mounting a battery according to claim 2, wherein a second nut (216) is welded on the torsion beam support plate (21), the second nut (216) is fixedly connected with the second flanging surface (212), and the second nut (216) is aligned with the torsion beam rear overhang mounting hole (217) on the second flanging surface (212).
4. The torsion beam rear overhang support for mounting a battery according to claim 3, wherein a relief portion (221) is provided on the outer plate (22) of the battery pack, and the relief portion (221) is located near the second nut (216) and is recessed away from the second nut (216) to provide an allowance space for preventing damage to the outer plate (22) of the battery pack when a fixing device passes through the second nut (216).
5. The torsion beam rear overhang support for installing a battery according to claim 3, further comprising a battery pack inner plate (23), wherein the battery pack inner plate (23) is disposed below the torsion beam support plate (21) and located between the first flanging surface (211) and the battery pack outer plate (22), the upper portion of the battery pack inner plate is fixedly connected with one side, away from the battery pack outer plate (22), of the second flanging surface (212) by welding, and the lower portion of the battery pack inner plate is fixedly connected with the battery pack outer plate (22) by welding.
6. The torsion beam rear overhang support for installing a battery according to claim 5, wherein the battery pack inner plate (23) comprises a hollowed-out assembling space (231), the assembling space (231) is located in the middle of the battery pack inner plate (23), and the assembling space (231) enables the torsion beam rear overhang mounting hole (217) on the first flanging surface (211), the second flanging surface (212), and the second nut (216) to be in a communicating state.
7. The torsion beam rear overhang support for mounting a battery according to claim 5, wherein a rear side of the battery pack inner plate (23) is fixedly connected to the battery pack outer plate (22) so that an enclosing structure is formed between the battery pack inner plate (23) and the battery pack outer plate (22).
8. The torsion beam rear overhang support for mounting a battery according to claim 5, further comprising an auxiliary support plate (24), wherein one end of the auxiliary support plate (24) is fixedly connected to the first flanging surface (211), and the other end is fixedly connected to the battery pack inner plate (23).
9. The torsion beam rear overhang support for mounting a battery according to claim 8, wherein said auxiliary plate (24) has an L-shape, and a reinforcing rib (241) is provided at a corner of said auxiliary plate (24).
10. The torsion beam rear overhang support for mounting a battery according to claim 1, wherein the upper surface of said torsion beam support plate (21) is provided with a positioning region (213), and a positioning hole (214) is provided in said positioning region (213).
CN202121815290.7U 2021-08-04 2021-08-04 Torsion beam rear overhang support for installing battery Active CN215552507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121815290.7U CN215552507U (en) 2021-08-04 2021-08-04 Torsion beam rear overhang support for installing battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121815290.7U CN215552507U (en) 2021-08-04 2021-08-04 Torsion beam rear overhang support for installing battery

Publications (1)

Publication Number Publication Date
CN215552507U true CN215552507U (en) 2022-01-18

Family

ID=79832726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121815290.7U Active CN215552507U (en) 2021-08-04 2021-08-04 Torsion beam rear overhang support for installing battery

Country Status (1)

Country Link
CN (1) CN215552507U (en)

Similar Documents

Publication Publication Date Title
US6830289B2 (en) Front structure of vehicle
US10208847B1 (en) Structure of transmission mount
KR101543004B1 (en) Mounting unit for vehicle
CN215552507U (en) Torsion beam rear overhang support for installing battery
JP4168826B2 (en) Automotive engine mount structure
JP2005112175A (en) Front vehicle body structure for automobile
CN108100043B (en) Rear vehicle body structure
CN104029668A (en) Mounting structure of ESP (electronic stability program) control module of automobile
CN107867142B (en) Shock absorber mounting seat and vehicle
KR20190091850A (en) Battery Mounting Structure in Electric Vehicle of Frame Type with aluminium material
JP3506363B2 (en) Front side member extension
CN211494277U (en) Vehicle front combined support
CN215205073U (en) Suspension installation assembly, floor assembly and car
CN210101218U (en) Automobile rear lower control arm
CN212313265U (en) Power battery mounting bracket structure of electric automobile
CN211730963U (en) Rear shock absorber reinforcing plate structure and vehicle
JP3543624B2 (en) Car rear shock absorber tower structure
US20200144565A1 (en) Lower box body and battery box
CN214451361U (en) Ventilation hood assembly, vehicle body structure and vehicle
CN212171898U (en) Support piece of back door outer plate, back door assembly and vehicle
CN212991216U (en) Battery box and electric vehicle
CN211918302U (en) Trailing arm support assembly for vehicle
CN212401377U (en) Automobile rear longitudinal beam joint, rear longitudinal beam and automobile
CN210912630U (en) Wheel casing inner plate with shock absorber connecting function and vehicle
CN211442199U (en) Bracket component and vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant