Applicable to body frame of products on the same platform and automobile having the body frame

Abstract

The present invention provides a body frame and automobile suitable for products on the same platform, wherein the body frame comprises: a first adjustment bracket assembly, arranged at the front end of the body frame, for supporting and fixing the front subframe of the body frame; a second adjustment bracket assembly, arranged at the body end of the body frame, for supporting and fixing the rear subframe of the body frame; a seat mechanical installation assembly, arranged in the middle area of ​​the body frame, for supporting and fixing the seat frame of the body frame; for different vehicle models, the first adjustment bracket assembly, the second adjustment bracket assembly, and the seat mechanical installation assembly are adjusted in the installation direction to the installation heights that match the front subframe, the rear subframe, and the seat frame of different vehicle models, respectively. The body frame provided by the present invention is suitable for MAS platform models, covering SUVs, sedans, MPVs, and other models, reducing the development cost of products on the same platform, shortening the development cycle of platform frame components, and making the automobile platform more expansible and more lightweight.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle body development, and relates to a vehicle body frame, in particular to a vehicle body frame suitable for products on the same platform and a car having the vehicle body frame. Background Art

[0002] Battery electric vehicles (BEV) refer to vehicles that use an onboard power source as a motive force, use an electric motor to drive the wheels, and comply with all requirements of road traffic and safety regulations.

[0003] At present, domestic manufacturers often use benchmark methods to reverse engineer sedans, SUVs and MPVs separately and conduct verification separately, which increases the development cost of products on the same platform (sedans, SUVs and MPVs), prolongs the development cycle of platform architecture components, and makes it even more impossible to achieve platform standardization for multiple vehicle models.

[0004] Therefore, how to provide a body frame suitable for products on the same platform and a car with the body frame to solve the defects of the existing technology that the automobile platform increases the development cost of products on the same platform, prolongs the development cycle of platform framework components, and cannot achieve platform standardization of multiple automobile models, has become a technical problem that needs to be urgently solved by technical personnel in this field. Summary of the invention

[0005] In view of the shortcomings of the prior art mentioned above, an object of the present invention is to provide a body frame suitable for products on the same platform and a car having the body frame, so as to solve the problem in the prior art that the automobile platform increases the development cost of products on the same platform, prolongs the development cycle of platform frame components, and cannot achieve platform standardization of multiple automobile models.

[0006] To achieve the above-mentioned purpose and other related purposes, the present invention provides a body frame suitable for products on the same platform on one hand, and the body frame suitable for products on the same platform includes: a first adjustment bracket assembly, arranged at the front end of the body frame, for supporting and fixing the front subframe of the body frame; a second adjustment bracket assembly, arranged at the body end of the body frame, for supporting and fixing the rear subframe of the body frame; a seat mechanical installation assembly, arranged in the middle area of ​​the body frame, for supporting and fixing the seat frame of the body frame; wherein, for different vehicle models, the first adjustment bracket assembly, the second adjustment bracket assembly, and the seat mechanical installation assembly are adjusted in the installation direction to installation heights that match the front subframe, rear subframe and seat frame of different vehicle models, respectively.

[0007] In one embodiment of the present invention, the vehicle body frame further comprises a center floor assembly disposed at the center floor of the vehicle body frame; the center floor assembly is used to adjust the lateral length in the lateral direction to match the center floor of different vehicle models so as to adjust the wheelbase of the vehicle body frame.

[0008] In one embodiment of the present invention, the first adjustment bracket assembly includes: a first mounting seat of the front sub-frame, a second mounting seat of the front sub-frame, a third mounting seat of the front sub-frame and a fourth mounting seat of the front sub-frame; the first mounting seat of the front sub-frame and the second mounting seat of the front sub-frame are arranged on a first base, the third mounting seat of the front sub-frame and the fourth mounting seat of the front sub-frame are arranged on a second base, and the first base and the second base are respectively located on both sides of the front sub-frame; wherein the first mounting seat of the front sub-frame and the second mounting seat of the front sub-frame are respectively located with the third mounting seat of the front sub-frame and the fourth mounting seat of the front sub-frame on both sides of the front sub-frame; the first mounting seat of the front sub-frame and the second mounting seat of the front sub-frame are respectively located at one end and the other end of the same side of the front sub-frame to support and fix one side of the front sub-frame; the third mounting seat of the front sub-frame and the fourth mounting seat of the front sub-frame are respectively located at one end and the other end of the same other side of the front sub-frame to support and fix the other side of the front sub-frame; wherein the first mounting seat of the front sub-frame, the second mounting seat of the front sub-frame, the third mounting seat of the front sub-frame and the fourth mounting seat of the front sub-frame are adjusted to installation heights respectively matching the front sub-frames of different vehicle models, and the front sub-frame is fixed by a fixing member.

[0009] In one embodiment of the present invention, the first base and the second base are hung on the vehicle body frame via a connecting beam.

[0010] In one embodiment of the present invention, the first adjustment bracket assembly also includes elastic struts respectively located on both sides of the front sub-frame, the fixed ends of the elastic struts are used to support the steering knuckles of the vehicle body frame, and the elastic ends thereof are supported on the front sub-frame to support the bouncing of the vehicle body tires; the steering knuckles are respectively fixed on the first base and the second base.

[0011] In one embodiment of the present invention, a swing arm having one end pivotally connected to the steering knuckle is further disposed on the elastic support to bear the steering torque and transmit the steering force to the steering knuckle.

[0012] In one embodiment of the present invention, the second adjustment bracket assembly includes a first mounting seat of the rear sub-frame, a second mounting seat of the rear sub-frame, a third mounting seat of the rear sub-frame and a fourth mounting seat of the rear sub-frame; wherein the first mounting seat of the rear sub-frame, the second mounting seat of the rear sub-frame and the third mounting seat of the rear sub-frame and the fourth mounting seat of the rear sub-frame are respectively located on both sides of the rear sub-frame and are fixed on the side beams at the vehicle body ends; the first mounting seat of the rear sub-frame and the second mounting seat of the rear sub-frame are respectively located on the rear sub-frame One end and the other end of the same side of the frame to support and fix one side of the rear sub-frame; the third mounting seat of the rear sub-frame and the fourth mounting seat of the rear sub-frame are respectively located at one end and the other end of the same other side of the rear sub-frame to support and fix the other side of the rear sub-frame; wherein the first mounting seat of the rear sub-frame, the second mounting seat of the rear sub-frame, the third mounting seat of the rear sub-frame and the fourth mounting seat of the rear sub-frame are adjusted in the mounting direction to mounting heights respectively matching the rear sub-frames of different vehicle models, and the rear sub-frame is fixed by a fixing member.

[0013] In one embodiment of the present invention, the second adjustment bracket assembly further includes a first longitudinal arm bracket and a second longitudinal arm bracket, wherein the first longitudinal arm bracket and the second longitudinal arm bracket are respectively located on both sides of the rear frame and are respectively used to support the chassis longitudinal arms located on both sides of the vehicle body end.

[0014] In one embodiment of the present invention, the seat mechanical mounting assembly includes: a driver's seat frame mounting seat, used to support the driver's seat and adjusted in the mounting direction to a mounting height matching the driver's seat frame of different vehicle models; a passenger seat frame mounting seat, used to support the passenger seat frame and adjusted in the mounting direction to a mounting height matching the passenger seat frame of different vehicle models.

[0015] Another aspect of the present invention provides an automobile, comprising the vehicle body frame applicable to products on the same platform.

[0016] As described above, the body frame applicable to products on the same platform and the automobile having the body frame of the present invention have the following beneficial effects:

[0017] The vehicle body frame provided by the present invention is suitable for MAS platform series vehicles, covering SUVs, sedans, MPVs and other models, reducing the development cost of products on the same platform, shortening the development cycle of platform architecture components, and realizing platform universal design for a variety of vehicle models, making the vehicle platform more expandable and more lightweight. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the vehicle body frame of the present invention which is applicable to products on the same platform.

[0019] Figure 2 Shown is a three-dimensional schematic diagram of the first adjustment bracket assembly of the present invention.

[0020] Figure 3 Shown is a top view schematic diagram of a seat mechanical mounting assembly and a center floor assembly of the present invention.

[0021] Figure 4 Shown is a three-dimensional structural schematic diagram of the second adjustment bracket assembly of the present invention.

[0022] Component number description

[0023] 1Applicable to the body frame of the same platform products

[0024] 11First adjustment bracket assembly

[0025] 12 Seat mechanical installation assembly

[0026] 13 floor assembly

[0027] 14 Second adjustment bracket assembly

[0028] 15 Steering knuckle

[0029] 16 Swing arm

[0030] 17 Side beam

[0031] 111 The first mounting bracket of the front subframe

[0032] 112 Second mounting bracket for front subframe

[0033] 113 Third mounting bracket for front subframe

[0034] 114 Fourth mounting bracket for front subframe

[0035] 115 elastic support

[0036] 116 First Base

[0037] 117 Second Base

[0038] 121 Driver seat frame mounting seat

[0039] 122 Co-pilot seat frame mounting seat

[0040] 141 The first mounting bracket of the rear subframe

[0041] 142 Second mounting bracket for rear subframe

[0042] 143 Third mounting bracket for rear subframe

[0043] 144 Fourth mounting bracket for rear subframe

[0044] 145 first trailing arm bracket

[0045] 146 Second trailing arm bracket DETAILED DESCRIPTION

[0046] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0047] See also Figures 1 to 4 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0048] Example

[0049] This embodiment provides a body frame applicable to products on the same platform, and the body frame applicable to products on the same platform includes:

[0050] A first adjustment bracket assembly is provided at the front end of the vehicle body frame and is used to support and fix the front subframe of the vehicle body frame;

[0051] A second adjustment bracket assembly is provided at the vehicle body end of the vehicle body frame and is used to support and fix the rear subframe of the vehicle body frame;

[0052] A seat mechanical mounting assembly, disposed in the middle region of the vehicle body frame, for supporting and fixing the seat frame of the vehicle body frame;

[0053] Among them, for different vehicle models, the first adjustment bracket assembly, the second adjustment bracket assembly, and the seat mechanical mounting assembly are adjusted in the installation direction to installation heights that match the front subframe, rear subframe, and seat frame of different vehicle models.

[0054] The following will describe in detail the body frame applicable to the same platform product provided by this embodiment with reference to the drawings. Figure 1 , which is a three-dimensional structural diagram of the body frame applicable to products on the same platform. Figure 1As shown, the vehicle body frame 1 applicable to products on the same platform includes a first adjustment bracket assembly 11 , a seat mechanical mounting assembly 12 , a middle floor assembly 13 and a second adjustment bracket assembly 14 .

[0055] The first adjustment bracket assembly 11 is arranged at the front end of the vehicle body frame 1, and is used to support and fix the front subframe of the vehicle body frame 1. For different vehicle models, there is no need to change the front subframe. The first adjustment bracket assembly 11 is adjusted in the longitudinal direction (in the Z direction in this example) to match the installation height (Z-direction height) of the front subframe of different vehicle models, so as to achieve Z-direction adjustment of the height vehicle model. In this embodiment, the first adjustment bracket assembly 11 can achieve an adjustable range of the front subframe in the Z direction of -40mm to 0.

[0056] See also Figure 2 , which is a schematic diagram of the three-dimensional structure of the first adjustment bracket assembly. Figure 2 As shown, the first adjustment bracket assembly 11 includes a first mounting seat 111 of the front subframe (in this embodiment, the first mounting seat 111 of the front subframe is also called a right front mounting seat of the front subframe), a second mounting seat 112 of the front subframe (in this embodiment, the second mounting seat 112 of the front subframe is also called a right rear mounting seat of the front subframe), a third mounting seat 113 of the front subframe (in this embodiment, the third mounting seat 113 of the front subframe is also called a left front mounting seat of the front subframe), a fourth mounting seat 114 of the front subframe (in this embodiment, the fourth mounting seat 114 of the front subframe is also called a left rear mounting seat of the front subframe) and an elastic support 115. The first mounting seat 111 of the front subframe and the second mounting seat 112 of the front subframe are arranged on the first base 116, the third mounting seat 113 of the front subframe and the fourth mounting seat 114 of the front subframe are arranged on the second base 117, and the first base 116 and the second base 117 are respectively located on both sides of the front subframe. The first base 116 and the second base 117 are hung on the body frame 1 through a connecting beam.

[0057] The first mounting seat 111 of the front subframe and the second mounting seat 112 of the front subframe are respectively located at the front end and the vehicle body end of the right side of the front subframe to support and fix the right side of the front subframe.

[0058] The third mounting seat 113 of the front sub-frame and the fourth mounting seat 114 of the front sub-frame are respectively located at the front end and the body end of the left side of the front sub-frame to support and fix the left side of the front sub-frame.

[0059] Among them, the first mounting seat of the front subframe, the second mounting seat of the front subframe, the third mounting seat of the front subframe and the fourth mounting seat of the front subframe are adjusted to mounting heights respectively matching the front subframes of different vehicle models, and the front subframe is fixed by a fixing member.

[0060] The elastic support 115 is located on both sides of the front sub-frame. Figure 2 The fixed end of the elastic support 115 is used to support the steering knuckle 15 of the vehicle body frame 1, and its elastic end is supported on the front subframe to support the bouncing of the vehicle body tire. The steering knuckle 15 is fixed to the first base 116 and the second base 117 respectively. A swing arm 16 pivotally connected to the steering knuckle 15 is also provided at one end of the elastic support 115 to bear the steering torque and transmit the steering force to the steering knuckle 15.

[0061] After the front subframe is installed, the seat mechanical mounting assembly 12 disposed in the middle area of ​​the vehicle body frame 1 for supporting and fixing the seat frame of the vehicle body frame 1 will be described below. Figure 3 , showing a top view of the seat mechanical installation assembly and the center floor assembly. Figure 3 As shown, the seat mechanical mounting assembly 12 includes: a driver's seat frame mounting seat 121 and a passenger seat frame mounting seat 122 .

[0062] In this embodiment, there are four driver seat frame mounting seats 121 respectively located below the end corners of the driver seat frame, which are used to support the driver seat and are adjusted in the installation direction (Z direction) to a mounting height that matches the driver seat frames of different vehicle models. In this embodiment, the driver seat frame mounting seats 121 can achieve an adjustable range of -70mm to 0 in the Z direction of the driver seat frame.

[0063] In this embodiment, there are four passenger seat frame mounting seats 122 respectively located below the end corners of the passenger seat frame, which are used to support the passenger seat frame and adjust the installation height in the installation direction (Z direction) to match the passenger seat frames of different models. In this embodiment, the passenger seat frame mounting seat 122 can achieve an adjustable range of -70mm to 0 in the Z direction for the passenger seat frame of the same platform.

[0064] After the seats are installed, a middle floor assembly 13 (see FIG. 1 ) is installed in the middle area of ​​the vehicle body frame 1 to adjust the lateral (X-direction) length of the middle floor to match the middle floor of different vehicle models. Figure 3 ) to adjust the wheelbase of the vehicle body frame. In this embodiment, the center floor assembly 13 can achieve an adjustable range of -100mm to +100mm in the X direction for the wheelbase of the same platform.

[0065] Finally, in order not to change the rear frame of different models, the second adjustment bracket assembly 14 is arranged at the body end of the body frame to achieve height adjustment of the rear frame of different models in the installation direction (Z direction). Figure 4, which is a schematic diagram of the three-dimensional structure of the second adjustment bracket assembly. Figure 4 As shown, the second adjustment bracket assembly 14 includes a first mounting seat 141 of the rear subframe, a second mounting seat 142 of the rear subframe, a third mounting seat 143 of the rear subframe, a fourth mounting seat 144 of the rear subframe, a first longitudinal arm bracket 145 and a second longitudinal arm bracket 146.

[0066] The first mounting seat 141 of the rear subframe, the second mounting seat 142 of the rear subframe, the third mounting seat 143 of the rear subframe, and the fourth mounting seat 144 of the rear subframe are respectively located on both sides of the rear subframe and fixed to the side beam 17 of the body end of the body frame 1.

[0067] Continue reading Figure 4 The first mounting seat 141 of the rear sub-frame and the second mounting seat 142 of the rear sub-frame are respectively located at one end and the other end of the same side (left side) of the rear sub-frame to support and fix one side (left side) of the rear sub-frame;

[0068] The third mounting seat 143 of the rear sub-frame and the fourth mounting seat 144 of the rear sub-frame are respectively located at one end and the other end of the same other side (right side) of the rear sub-frame to support and fix the other side of the rear sub-frame;

[0069] The first mounting seat 141 of the rear subframe, the second mounting seat 142 of the rear subframe, the third mounting seat 143 of the rear subframe and the fourth mounting seat 144 of the rear subframe are adjusted in the mounting direction (Z direction) to the mounting heights (Z direction heights) that match the rear subframes of different vehicle models, and the rear subframes are fixed by fixing members. In this embodiment, the second adjustment bracket assembly 14 can achieve an adjustable range of -40mm to 0 in the Z direction for the same platform vehicle model.

[0070] The first longitudinal arm bracket 145 and the second longitudinal arm bracket 146 respectively located on both sides of the rear frame are used to support the chassis longitudinal arms located on both sides of the vehicle body end.

[0071] In this embodiment, the vehicle body frame is an aluminum alloy profile frame.

[0072] This embodiment also provides a car, which includes the above-mentioned body frame applicable to products on the same platform.

[0073] In summary, the vehicle body frame provided by the present invention is suitable for MAS platform series models, covering SUV, sedan and MPV models, etc., reducing the development cost of products on the same platform, shortening the development cycle of platform frame components, realizing the platform universal design of various automobile models, making the automobile platform more expandable and more lightweight. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0074] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A body frame suitable for products on the same platform, characterized in that; The body frame applicable to the same platform products includes: A first adjustment bracket assembly is provided at the front end of the vehicle body frame and is used to support and fix the front subframe of the vehicle body frame; A second adjustment bracket assembly is provided at the vehicle body end of the vehicle body frame and is used to support and fix the rear subframe of the vehicle body frame; A seat mechanical mounting assembly, disposed in the middle region of the vehicle body frame, for supporting and fixing the seat frame of the vehicle body frame; Wherein, for different vehicle models, the first adjustment bracket assembly, the second adjustment bracket assembly, and the seat mechanical mounting assembly are adjusted in the mounting direction to mounting heights that match the front subframe, rear subframe, and seat frame of different vehicle models respectively; wherein, the second adjustment bracket assembly includes a first mounting seat of the rear subframe, a second mounting seat of the rear subframe, a third mounting seat of the rear subframe, and a fourth mounting seat of the rear subframe; wherein, the first mounting seat of the rear subframe, the second mounting seat of the rear subframe, and the third mounting seat of the rear subframe, and the fourth mounting seat of the rear subframe are respectively located on both sides of the rear subframe, and are fixed on the side beams at the vehicle body end; the first mounting seat of the rear subframe and the second mounting seat of the rear subframe are respectively located on the same side of the rear subframe. One end and the other end of the side to support and fix one side of the rear subframe; the third mounting seat of the rear subframe and the fourth mounting seat of the rear subframe are respectively located at one end and the other end of the same other side of the rear subframe to support and fix the other side of the rear subframe; wherein the first mounting seat of the rear subframe, the second mounting seat of the rear subframe, the third mounting seat of the rear subframe and the fourth mounting seat of the rear subframe are adjusted in the mounting direction to be respectively matched with the rear subframes of different vehicle models. The rear subframe is fixed by a fixing member; the second adjustment bracket assembly also includes a first longitudinal arm bracket and a second longitudinal arm bracket, which are respectively located on both sides of the rear subframe and are respectively used to support the chassis longitudinal arms located on both sides of the vehicle body end; The vehicle body frame further comprises a middle floor assembly disposed at the middle floor of the vehicle body frame; the middle floor assembly is used to adjust the lateral length in the lateral direction to match the middle floor of different vehicle models, so as to adjust the wheelbase of the vehicle body frame; The first adjustment bracket assembly includes: a first mounting seat of the front sub-frame, a second mounting seat of the front sub-frame, a third mounting seat of the front sub-frame, and a fourth mounting seat of the front sub-frame; the first mounting seat of the front sub-frame and the second mounting seat of the front sub-frame are arranged on a first base, the third mounting seat of the front sub-frame and the fourth mounting seat of the front sub-frame are arranged on a second base, and the first base and the second base are respectively located on both sides of the front sub-frame; Wherein, the first mounting seat of the front sub-frame and the second mounting seat of the front sub-frame are respectively located on both sides of the front sub-frame as well as the third mounting seat of the front sub-frame and the fourth mounting seat of the front sub-frame; The first mounting seat of the front sub-frame and the second mounting seat of the front sub-frame are respectively located at one end and the other end of the same side of the front sub-frame to support and fix one side of the front sub-frame; The third mounting seat of the front sub-frame and the fourth mounting seat of the front sub-frame are respectively located at one end and the other end of the same other side of the front sub-frame to support and fix the other side of the front sub-frame; The first mounting seat of the front subframe, the second mounting seat of the front subframe, the third mounting seat of the front subframe and the fourth mounting seat of the front subframe are adjusted to mounting heights respectively matching the front subframes of different vehicle models, and the front subframe is fixed by a fixing member; The first base and the second base are hung on the vehicle body frame via a connecting beam.

2. The vehicle body frame applicable to products on the same platform according to claim 1, characterized in that: The first adjustment bracket assembly also includes elastic struts respectively located on both sides of the front subframe, the fixed ends of the elastic struts are used to support the steering knuckles of the vehicle body frame, and the elastic ends thereof are supported on the front subframe to support the bouncing of the vehicle body tires; the steering knuckles are respectively fixed on the first base and the second base.

3. The vehicle body frame applicable to products on the same platform according to claim 2, characterized in that: The elastic support is also provided with a swing arm with one end pivotally connected to the steering knuckle to bear the steering torque and transmit the steering force to the steering knuckle.

4. The vehicle body frame applicable to products on the same platform according to claim 1, characterized in that: The seat mechanical installation assembly comprises: A driver seat frame mounting seat, used to support the driver seat and to be adjusted in the mounting direction to a mounting height matching the driver seat frames of different vehicle models; The front passenger seat frame mounting seat is used to support the front passenger seat frame and is adjusted in the mounting direction to an installation height that matches the front passenger seat frames of different vehicle models.

5. A car, characterized in that: It comprises a vehicle body frame applicable to products on the same platform as described in any one of claims 1 to 4.

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