CN219115564U - Auxiliary frame and vehicle - Google Patents

Auxiliary frame and vehicle Download PDF

Info

Publication number
CN219115564U
CN219115564U CN202223352058.1U CN202223352058U CN219115564U CN 219115564 U CN219115564 U CN 219115564U CN 202223352058 U CN202223352058 U CN 202223352058U CN 219115564 U CN219115564 U CN 219115564U
Authority
CN
China
Prior art keywords
side beam
connecting piece
mounting
extension
assembly
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
CN202223352058.1U
Other languages
Chinese (zh)
Inventor
王雷
高海龙
和冀垚
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.)
IAT Automobile Technology Co Ltd
Original Assignee
IAT Automobile Technology 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 IAT Automobile Technology Co Ltd filed Critical IAT Automobile Technology Co Ltd
Priority to CN202223352058.1U priority Critical patent/CN219115564U/en
Application granted granted Critical
Publication of CN219115564U publication Critical patent/CN219115564U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Body Structure For Vehicles (AREA)

Abstract

The utility model provides an auxiliary frame and a vehicle, and belongs to the field of vehicle manufacturing, wherein the auxiliary frame comprises a first cross beam, a second cross beam, a first longitudinal beam assembly and a second longitudinal beam assembly, and the first longitudinal beam assembly and the second longitudinal beam assembly are arranged at intervals and are connected with the first cross beam and the second cross beam; the first longitudinal beam assembly comprises a first connecting piece, a second connecting piece and an adjusting assembly, the adjusting assembly is arranged between the first connecting piece and the second connecting piece, the adjusting assembly comprises a first side beam and a second side beam, and the first side beam is sleeved on the second side beam and connected with the second side beam; the first connecting piece is connected to the first cross beam and the first side beam, and the second connecting piece is connected to the second cross beam and the second side beam. The technical problems that in the prior art, when a front auxiliary frame side beam collides, the side beam bends, and the collapsing energy absorption performance is poor are solved.

Description

Auxiliary frame and vehicle
Technical Field
The utility model relates to the field of vehicle manufacturing, in particular to a subframe and a vehicle.
Background
The front subframe is a very important component in a chassis part system, is mainly connected with parts such as a vehicle body, an engine suspension, a suspension and the like, and can reduce the transmission of excitation such as vibration and noise on a road surface to the vehicle body. The front auxiliary frame can improve the rigidity of the frame (the vehicle body) so as to obtain better stability and comfort of the whole vehicle.
Currently, in order to increase the battery pack capacity, it is often necessary to arrange the battery pack as forward as possible. However, this arrangement results in a reduced longitudinal distance between the subframe and the battery pack. In order to protect the battery pack, the rear end of the front subframe cannot be moved rearward at the time of a vehicle collision to protect the battery pack. Therefore, the strength and rigidity of the connection of the rear end of the front sub frame to the vehicle body must be enhanced.
In order to increase the connection strength and rigidity, in the prior art, as shown in fig. 1, an existing front auxiliary frame is provided, the side beam of the existing front auxiliary frame is arched, the rigidity in the X direction of the side beam is reduced, and a certain protection effect can be achieved on a battery pack.
However, in the prior art, when the side beam of the front auxiliary frame collides, the side beam can bend, so that the collapse energy absorption performance is poor.
Based on this, the present utility model has been made.
Disclosure of Invention
The utility model provides an auxiliary frame and a vehicle, which are used for solving the technical problems that in the prior art, when a front auxiliary frame side beam collides, the side beam can be bent, and the collapse energy absorption performance is poor.
According to a first aspect of the present utility model, there is provided a subframe comprising: the first longitudinal beam assembly and the second longitudinal beam assembly are arranged at intervals and are connected with the first transverse beam and the second transverse beam; the first longitudinal beam assembly comprises a first connecting piece, a second connecting piece and an adjusting assembly, the adjusting assembly is arranged between the first connecting piece and the second connecting piece, the adjusting assembly comprises a first side beam and a second side beam, and the first side beam is sleeved on the second side beam and connected with the second side beam; the first connecting piece is connected to the first cross beam and the first side beam, and the second connecting piece is connected to the second cross beam and the second side beam.
Specifically, in this application, first longeron subassembly and second longeron subassembly interval set up and all connect in first crossbeam and second crossbeam to constitute a "mouthful" font structure, can the battery package after the sub vehicle frame of furthest protection installation. The first side beam assembly comprises a first connecting piece, a second connecting piece and an adjusting assembly, the adjusting assembly is provided with a first side beam and a second side beam, the first side beam is sleeved on the second side beam and is connected with the second side beam, the first connecting piece is respectively welded with the first cross beam and the first side beam, the second connecting piece is respectively welded with the second cross beam and the second side beam, when a front collision or a small overlap collision occurs on a vehicle, the first side beam is stressed at first, when the connection between the first side beam and the second side beam is damaged, the first side beam is stressed to retreat backwards, namely, slides backwards along an axis, and the extrusion force on the rear part of the auxiliary frame, namely, the second connecting piece can be reduced; and the first side beam and the second side beam are sleeved, so that certain friction force can be generated during movement, and collision capacity is absorbed in a friction force acting mode. The technical problems that in the prior art, when a front auxiliary frame side beam collides, the side beam bends, and the collapsing energy absorption performance is poor are solved.
Preferably, the first connecting piece comprises a first middle hole, and the first middle hole is of a hollow cavity structure; one end of the first side beam is accommodated in the first middle hole and connected with the first middle hole, and the other end of the first side beam is sleeved on the second side beam and connected with the second side beam.
The first connector includes a first central bore. The first middle hole is of a hollow cavity structure, one end of the first side beam is welded in the hollow cavity structure, and the other end of the first side beam is sleeved and welded on the second side beam. Through the mode that sets up like this, can receive the collision in the vehicle, connect between first connecting piece and the first boundary beam and be destroyed to reduce the extrusion force to first connecting piece, and then reduce the extrusion force of first connecting piece to the second connecting piece.
Preferably, the first connecting piece further comprises a first extension part and a second extension part, and the first extension part and the second extension part respectively protrude out of a corresponding side wall of the first accommodating part; the first extension portion is provided with first mounting hole, and the second extension portion is provided with the second mounting hole, and first mounting hole and second mounting hole are used for being connected with pedestrian's shank protection crossbeam.
The two opposite side walls of the first middle hole are respectively provided with a first extension part and a second extension part; the first extension part is provided with a first mounting hole, and the second extension part is provided with a second mounting hole. Wherein, first mounting hole and second mounting hole are used for connecting pedestrian's shank protection crossbeam. Through the mode of setting like this, can play certain guard action to the pedestrian.
Preferably, the first connecting piece further comprises a third extending part, the third extending part is connected to the top wall of the first accommodating part and protrudes out of the side wall, the third extending part and the second extending part protrude out of the direction of the side wall, and the third extending part, the second extending part and the corresponding side wall together enclose a mounting groove; the first cross beam is mounted in the mounting groove and connected with the first connecting piece.
The first connecting piece still includes the third extension, and the third extension sets up on the roof of first acceping portion, and outstanding in the lateral wall of first mesopore, and third extension and second extension all outstanding in the direction of lateral wall to enclose into a mounting groove between messenger's third extension and the second extension, can make first crossbeam fixed connection in the mounting groove, the complex installation environment of adaptation vehicle, through the mode of setting up like this, can a large amount of save installation space.
Preferably, the first connecting piece further comprises a first connecting portion connected to the top wall of the first middle hole and protruding out of the first middle hole, and the first connecting portion is provided with a third mounting hole.
The first connecting piece further comprises a first connecting part, the first connecting part is arranged on the top wall of the first middle hole and protrudes out of the side wall of the first middle hole, and the direction of the first connecting part protruding out of the side wall of the first middle hole is the same as the direction of the first extending part protruding out of the corresponding side wall; a third mounting hole is provided in the first connecting portion for mounting the sub-frame to the vehicle body.
Preferably, the second connecting piece comprises a main body part, a first mounting part and a second mounting part, and the first mounting part and the second mounting part protrude from the main body part; one end of the second side beam is accommodated in the first side beam, and the other end of the second side beam is installed on the first installation part and connected with the first installation part; the second cross beam is mounted on the second mounting portion and connected with the second mounting portion.
The second connecting piece comprises a main body part, a first mounting part and a second mounting part. The first mounting part and the second mounting part are both protruded out of the side wall of the main body part, one end of the second side beam is contained in the first side beam, the other end of the second side beam is mounted on the first mounting part and connected with the first mounting part, the second cross beam is mounted on the second mounting part and connected with the second mounting part, in such a way, the connection between the second connecting piece and the second cross beam can be ensured to be more stable, and in addition, when a vehicle collides, the collision energy transmitted by the second side beam backwards is reduced, so that the battery pack is protected.
Preferably, the second connecting piece further comprises two fourth extending portions, the two fourth extending portions protrude from the main body portion and are arranged at intervals, and the fourth extending portions are used for being connected with the lower control arm.
Two fourth extension parts are arranged on the side wall of the second connecting piece opposite to the second mounting part, protrude out of the main body part respectively, are arranged at intervals, and are suitable for mounting other parts (such as a lower control arm) of the vehicle.
Preferably, the subframe further comprises a mounting bracket connected to the first connector and the first side rail.
The auxiliary frame also comprises a mounting bracket which is welded with the first connecting piece and the first side beam respectively, and plays a certain role in strengthening the auxiliary frame, so that the sliding of the vehicle is greatly ensured to be destroyed by the welding part of the first side beam and the second side beam after the collision.
Preferably, the mounting bracket includes: a first riser and a second riser; the first wing plate and the second wing plate are fixedly connected with the first vertical plate respectively; the second vertical plate is fixedly connected with the second wing plate; the second vertical plate is fixedly connected with the first side beam; the first vertical plate is fixedly connected with the first side beam and the first connecting piece.
The mounting bracket includes: the first riser, the second riser, the first pterygoid lamina and the second pterygoid lamina. Wherein, first riser is vertical to be placed, and first pterygoid lamina and second pterygoid lamina extend outside to the sub vehicle frame along equidirectional respectively to make first pterygoid lamina and second pterygoid lamina and first riser enclose into a slot-like structure, second riser and first pterygoid lamina fixed connection, second riser and first boundary beam fixed connection, first riser and first boundary beam and first connecting piece fixed connection. By means of this arrangement, the mounting bracket can be better adapted to the mounting of other components of the vehicle (control arm bushing) and can also be ensured to be more stably fixed on the first connecting piece and the first side rail.
According to a second aspect of the present utility model there is provided a vehicle comprising a subframe of the first aspect described above.
The auxiliary frame is installed in a vehicle, the first middle hole, the first side beam and the second side beam which are sequentially sleeved through the auxiliary frame can ensure that the vehicle slides backwards along the axial direction when in collision, so that collision energy is absorbed, the impact force of the second side beam is reduced, that is, the first side beam absorbs the collision energy in a mode of doing work through pipe extrusion circumferential direction, axial crumple deformation and friction force between pipes when sliding along the axial direction, and the impact force of the second side beam is reduced.
In summary, this application establishes the relation through the cover between first boundary beam and the second boundary beam, can be when the vehicle bumps, first boundary beam is along axial backward slip to absorb collision energy, make the impact force of second boundary beam reduce, that is to say, the impact energy is absorbed to the mode that accessible tubular product crowded swell circumference, axial crumple deformation and the friction force acting between tubular product when first boundary beam slides along the axial, thereby reduces the impact force of second boundary beam. The technical problems that in the prior art, when a front auxiliary frame side beam collides, the side beam bends, and the collapsing energy absorption performance is poor are solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a subframe according to the prior art;
fig. 2 is a schematic structural diagram of an auxiliary frame according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an auxiliary frame according to an embodiment of the present utility model
FIG. 4 is an exploded view of an auxiliary frame according to an embodiment of the present utility model;
FIG. 5 is a schematic structural view of an auxiliary frame according to one embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a subframe according to another embodiment of the present utility model; and
fig. 7 is a schematic structural diagram of a subframe according to another embodiment of the present utility model.
In the above figures, the list of components represented by the various numbers is as follows:
1. a first stringer assembly; 2. a second stringer assembly; 3. a first cross beam; 4. a second cross beam; 5. a mounting bracket;
11. a first connector; 12. a second connector; 13. an adjustment assembly;
131. a first side rail; 132. a second side rail;
111. a first mesopore; 112. a first extension; 113. a second extension; 114. a third extension; 115. a first connection portion;
101. a first mounting hole; 102. a second mounting hole; 103. a third mounting hole;
121. a main body portion; 122. a first mounting portion; 123. a second mounting portion; 124. a fourth extension; 51. a first riser; 52. a second riser; 53. a first wing plate; 54. and a second wing plate.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Referring to fig. 2-7, in one embodiment, the present utility model provides a subframe comprising: a first cross member 3, a second cross member 4, a first rail assembly 1 and a second rail assembly 2. The first longitudinal beam assembly 1 and the second longitudinal beam assembly 2 are arranged at intervals and are connected to the first cross beam 3 and the second cross beam 4, so that a 'mouth' -shaped structure is formed, and a battery pack mounted behind the auxiliary frame can be protected to the greatest extent. The first longitudinal beam assembly 1 comprises a first connecting piece 11, a second connecting piece 12 and an adjusting assembly 13, wherein the adjusting assembly 13 comprises a first side beam 131 and a second side beam 132, the first side beam 131 is sleeved on the second side beam 132 and is connected with the second side beam 132, the first connecting piece 11 is respectively welded with the first cross beam 3 and the first side beam 131, the second connecting piece 12 is respectively welded with the second cross beam 4 and the second side beam 132, when a front collision or a small overlap collision occurs on a vehicle, the first side beam 131 is stressed first, and when the connection between the first side beam 131 and the second side beam 132 is broken, the first side beam 131 is stressed to be retracted backwards, namely, to slide backwards along an axis, so that the extrusion force on the rear part of the auxiliary frame, namely, the second connecting piece 12, can be reduced; in addition, the first side beam 131 and the second side beam 132 are sleeved, so that a certain friction force can be generated during movement, and the collision capacity can be absorbed by the friction force acting mode. The technical problems that in the prior art, when a front auxiliary frame side beam collides, the side beam bends, and the collapsing energy absorption performance is poor are solved.
In an alternative embodiment, the top wall, bottom wall, and side walls of the second side rail 132 are respectively attached to the top wall, bottom wall, and side walls of the first side rail 131.
In an alternative embodiment, the first stringer assembly 1 and the second stringer assembly 2 are identical in construction; the first beam 3 is identical in structure to the second beam 4.
In some more preferred embodiments, the first connector 11 includes a first central aperture 111. The first middle hole 111 is a hollow cavity structure, and one end of the first side beam 131 can be welded in the hollow cavity structure, and the other end of the first side beam 131 is sleeved and welded on the second side beam 132. By this means, the connection between the first link 11 and the first side member 131 can be broken when the vehicle is involved in a collision, and the pressing force on the first link 11 can be reduced, and the pressing force on the second link 12 by the first link 11 can be reduced.
In an alternative embodiment, the first middle hole 111 may have a rectangular cavity structure, the first side beam 131 may have a rectangular cavity structure, and the second side beam 132 may have a rectangular cavity structure.
In some more preferred embodiments, a first extension 112 and a second extension 113 are respectively provided on two opposite sidewalls of the first middle hole 111; the first extension 112 is provided with a first mounting hole 101, and the second extension 113 is provided with a second mounting hole 102. Wherein, the first mounting hole 101 and the second mounting hole 102 are used for connecting the pedestrian calf protection crossbeam. Through the mode of setting like this, can play certain guard action to the pedestrian.
In an alternative embodiment, the first extension 112 has a cylindrical structure, the second extension 113 has a square structure, the first mounting hole 101 is formed in a middle portion of the first extension 112, and the second mounting hole 102 is formed in a middle portion of the second extension 113.
In an alternative embodiment, the second extension 113 is disposed at a middle portion of one of the sidewalls of the first middle hole 111, and the first extension 112 is disposed at a position where the other sidewall opposite to the first middle hole 111 is connected to the bottom wall.
In some more preferred embodiments, the first connecting member 11 further includes a third extension portion 114, where the third extension portion 114 is disposed on the top wall of the first middle hole 111 and protrudes from the side wall of the first middle hole 111, and the direction in which the third extension portion 114 protrudes from the side wall is the same as the direction in which the second extension portion 113 protrudes from the side wall, so that a mounting groove is defined between the third extension portion 114 and the second extension portion 113, so that the first beam 3 is fixedly connected in the mounting groove and adapted to the complex mounting environment of the vehicle, and by this arrangement, a great amount of mounting space can be saved.
In an alternative embodiment, the third extension 114 includes two upright plates protruding upward and a transverse plate disposed horizontally, the two upright plates being spaced apart in the Y-direction on the transverse plate to form a recess.
It should be noted that, the X direction refers to the X axis direction of the whole vehicle coordinate system of the vehicle in the prior art, that is, the direction from the head to the tail of the vehicle, the Y direction refers to the Y axis direction of the whole vehicle coordinate system of the vehicle in the prior art, that is, the vehicle width direction, and the Z direction refers to the Z axis direction of the whole vehicle coordinate system of the vehicle in the prior art, that is, the height direction of the vehicle.
In an alternative embodiment, the top wall of the second extension 113 is planar, that is, it is sufficient that the bottom wall of the first beam 3 is mounted on the top wall of the second extension 113.
In an alternative embodiment, the first cross member 3 is a rectangular cavity structure.
In some more preferred embodiments, the first connecting piece 11 further includes a first connecting portion 115, where the first connecting portion 115 is disposed on the top wall of the first middle hole 111 and protrudes from the side wall of the first middle hole 111, and the direction in which the first connecting portion 115 protrudes from the side wall of the first middle hole 111 is the same as the direction in which the first extending portion 112 protrudes from the corresponding side wall; a third mounting hole 103 is provided in the first connecting portion 115 for mounting the sub-frame to the vehicle body.
In an alternative embodiment, the side wall of the first connecting portion 115 is provided with a plurality of through holes, and a connecting wall with a plurality of holes is provided between the first connecting portion 115 and the third extending portion 114, so that the weight of the whole auxiliary frame can be effectively reduced.
In a preferred embodiment, the second connector 12 includes a body portion 121, a first mounting portion 122, and a second mounting portion 123. The first mounting portion 122 and the second mounting portion 123 protrude from the side wall of the main body portion 121, one end of the second side beam 132 is received in the first side beam 131, the other end of the second side beam 132 is mounted on the first mounting portion 122 and connected with the first mounting portion 122, the second cross beam 4 is mounted on the second mounting portion 123 and connected with the second mounting portion 123, by means of the arrangement, the connection between the second connecting piece 12 and the second cross beam 4 can be ensured to be more stable, and in addition, when a vehicle collides, collision energy transmitted by the second side beam 132 backwards is reduced, so that a battery pack is protected.
In an alternative embodiment, the first mounting portion 122 encloses a first open channel structure with the body portion 121 and is in a "U" shaped structure; the second mounting portion 123 encloses a second open channel structure with the body portion 121 and is a "rectangular" channel structure.
In a preferred embodiment, two fourth extension portions 124 are provided on the side wall of the second connecting member 12 opposite to the second mounting portion 123, the fourth extension portions 124 respectively protruding from the main body portion 121 and being spaced apart to be adapted to the mounting of other parts of the vehicle, such as the lower control arm.
In an alternative embodiment, the fourth extension 124 is provided with two corresponding connecting channels for connecting the lower control arm.
In a preferred embodiment, the auxiliary frame further comprises a mounting bracket 5, and the mounting bracket 5 is welded with the first connecting piece 11 and the first side beam 131 respectively, so that a certain reinforcing effect can be achieved on the auxiliary frame, and the fact that sliding is damaged by the welding position of the first side beam 131 and the second side beam 132 after the vehicle collides is guaranteed to a great extent.
In some more preferred embodiments, the mounting bracket 5 comprises: a first riser 51, a second riser 52, a first wing 53, and a second wing 54. The first vertical plate 51 is vertically disposed, and the first wing plate 53 and the second wing plate 54 extend to the outside of the subframe along the same direction, so that the first wing plate 53, the second wing plate 54 and the first vertical plate 51 enclose a groove-shaped structure, the second vertical plate 52 is fixedly connected with the second wing plate 54, the second vertical plate 52 is fixedly connected with the first side beam 131, and the first vertical plate 51 is fixedly connected with the first side beam 131 and the first connecting piece 11. By this arrangement, the mounting bracket 5 can be more stably fixed to the first link 11 and the first side sill 131, while being more suitable for mounting other parts (control arm bushing) of the vehicle.
In an alternative embodiment, control arm bushing mounting holes are formed in the corresponding positions of the first wing plate 53 and the second wing plate 54.
In a preferred embodiment, the auxiliary frame is installed in a vehicle, and the first middle hole 111, the first side beam 131 and the second side beam 132 sleeved in sequence through the auxiliary frame can ensure that the first side beam slides backwards along the axial direction when the vehicle collides, so as to absorb the collision energy, so that the impact force of the second side beam 132 is reduced, that is, the first side beam 131 can absorb the collision energy in a mode of doing work through the pipe expansion circumferential direction, the axial collapse deformation and the friction force between pipes when sliding along the axial direction, thereby reducing the impact force of the second side beam 132.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The auxiliary frame is characterized by comprising a first cross beam, a second cross beam, a first longitudinal beam assembly and a second longitudinal beam assembly, wherein the first longitudinal beam assembly and the second longitudinal beam assembly are arranged at intervals and are connected with the first cross beam and the second cross beam;
the first longitudinal beam assembly comprises a first connecting piece, a second connecting piece and an adjusting assembly, the adjusting assembly is arranged between the first connecting piece and the second connecting piece, the adjusting assembly comprises a first side beam and a second side beam, and the first side beam is sleeved on the second side beam and is connected with the second side beam;
the first connecting piece is connected with the first cross beam and the first side beam, and the second connecting piece is connected with the second cross beam and the second side beam.
2. The subframe according to claim 1, wherein,
the first connecting piece comprises a first middle hole, and the first middle hole is of a hollow cavity structure;
one end of the first side beam is accommodated in the first middle hole and connected with the first middle hole, and the other end of the first side beam is sleeved on the second side beam and connected with the second side beam.
3. The subframe according to claim 2, wherein,
the first connecting piece further comprises a first extension part and a second extension part, and the first extension part and the second extension part respectively protrude out of a corresponding side wall of the first middle hole;
the first extension portion is provided with first mounting hole, the second extension portion is provided with the second mounting hole, first mounting hole with the second mounting hole is used for being connected with pedestrian's shank protection crossbeam.
4. The subframe of claim 3 wherein said first connector further comprises a third extension connected to the top wall of said first central bore and protruding from said side wall, said third extension and said second extension both protruding in the direction of said side wall, and said third extension together with said second extension and corresponding side wall enclosing a mounting slot;
the first cross beam is installed in the installation groove and connected with the first connecting piece.
5. The subframe of claim 2 wherein the first connector further comprises a first connector portion connected to the top wall of the first central bore and protruding from the first central bore, and wherein the first connector portion is provided with a third mounting hole.
6. The subframe according to claim 1, wherein,
the second connecting piece comprises a main body part, a first mounting part and a second mounting part, wherein the first mounting part and the second mounting part protrude out of the main body part;
one end of the second side beam is contained in the first side beam, and the other end of the second side beam is mounted on the first mounting part and connected with the first mounting part;
the second cross beam is mounted on the second mounting portion and connected with the second mounting portion.
7. The subframe of claim 6 wherein said second connector further comprises two fourth extensions, both of said extensions projecting from said main body portion and being spaced apart, said extensions being adapted for connection to a lower control arm.
8. The subframe of claim 1 further comprising a mounting bracket connected to the first connector and the first side rail.
9. The subframe of claim 8 wherein said mounting bracket comprises: a first riser and a second riser; and
the first wing plate and the second wing plate are respectively fixedly connected with the first vertical plate;
the second vertical plate is fixedly connected with the second wing plate;
the second vertical plate is fixedly connected with the first side beam;
the first vertical plate is fixedly connected with the first side beam and the first connecting piece.
10. A vehicle comprising a subframe according to any one of claims 1 to 9.
CN202223352058.1U 2022-12-14 2022-12-14 Auxiliary frame and vehicle Active CN219115564U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223352058.1U CN219115564U (en) 2022-12-14 2022-12-14 Auxiliary frame and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223352058.1U CN219115564U (en) 2022-12-14 2022-12-14 Auxiliary frame and vehicle

Publications (1)

Publication Number Publication Date
CN219115564U true CN219115564U (en) 2023-06-02

Family

ID=86524742

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223352058.1U Active CN219115564U (en) 2022-12-14 2022-12-14 Auxiliary frame and vehicle

Country Status (1)

Country Link
CN (1) CN219115564U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115257931A (en) * 2022-07-14 2022-11-01 一汽奔腾轿车有限公司 Integrated cross-shaped inner high-pressure forming energy absorption box structure of auxiliary frame of electric vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115257931A (en) * 2022-07-14 2022-11-01 一汽奔腾轿车有限公司 Integrated cross-shaped inner high-pressure forming energy absorption box structure of auxiliary frame of electric vehicle
CN115257931B (en) * 2022-07-14 2024-05-10 一汽奔腾轿车有限公司 Integrated cross-shaped internal high-pressure forming energy absorption box structure of electric vehicle auxiliary frame

Similar Documents

Publication Publication Date Title
CN219115564U (en) Auxiliary frame and vehicle
JP6440737B2 (en) Body bumper structure
CN210971298U (en) Vehicle threshold roof beam assembly and vehicle
JP2019151130A (en) Vehicle impact absorption structure
EP1437291B1 (en) Front structure of vehicle
KR101006052B1 (en) A bumper beam unit for vehicles
KR100932672B1 (en) Bumper Beam Unit for Vehicle
CN211731575U (en) Side wall structure and vehicle
CN209757260U (en) auxiliary frame structure of passenger car
CN114132383B (en) Floor assembly for electric vehicle
CN217073966U (en) Rear suspension device
CN212373488U (en) Auxiliary frame longitudinal beam, auxiliary frame and vehicle
CN210912613U (en) Front auxiliary frame with energy absorption function and automobile
CN221367208U (en) Threshold reinforcing plate assembly for automobile
CN219339563U (en) Car body side wall assembly and car
CN221293782U (en) Front auxiliary frame and vehicle
CN217146150U (en) Front auxiliary frame assembly and vehicle
CN221041380U (en) Box side beam, battery pack and vehicle
CN219382612U (en) Front structure of vehicle body and vehicle provided with same
CN221498173U (en) Auxiliary frame and vehicle
CN117096521A (en) Battery protection device and electric vehicle
CN118701176A (en) Auxiliary frame of vehicle and vehicle
CN219115554U (en) Front auxiliary frame mounting structure and vehicle
CN217994366U (en) Battery package anticollision subassembly and vehicle
CN219406618U (en) Vehicle front structure and vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant