CN114426062A - Sub vehicle frame welding assembly and vehicle - Google Patents

Sub vehicle frame welding assembly and vehicle Download PDF

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Publication number
CN114426062A
CN114426062A CN202210121984.3A CN202210121984A CN114426062A CN 114426062 A CN114426062 A CN 114426062A CN 202210121984 A CN202210121984 A CN 202210121984A CN 114426062 A CN114426062 A CN 114426062A
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CN
China
Prior art keywords
main body
boss
mounting hole
subframe
mounting
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Pending
Application number
CN202210121984.3A
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Chinese (zh)
Inventor
周浩泽
赵群
杨展
程林
宋东奇
王存峰
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Chery Automobile Co Ltd
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Chery Automobile Co Ltd
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Publication date
Application filed by Chery Automobile Co Ltd filed Critical Chery Automobile Co Ltd
Priority to CN202210121984.3A priority Critical patent/CN114426062A/en
Publication of CN114426062A publication Critical patent/CN114426062A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D27/00Connections between superstructure or understructure sub-units
    • B62D27/02Connections between superstructure or understructure sub-units rigid
    • B62D27/023Assembly of structural joints

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The application discloses sub vehicle frame welding assembly and vehicle belongs to vehicle technical field. The auxiliary frame welding assembly comprises an auxiliary frame upper body, an auxiliary frame lower body and two bent arms; the auxiliary frame upper body is provided with a first main body part and a plurality of first flanges, and the first main body part is provided with a first bulge; the auxiliary frame lower body is provided with a second main body part and a plurality of second flanges, the second main body part is provided with a second boss, and the position of the second boss corresponds to the position of the first boss; every first turn-ups welds with second turn-ups or second main part respectively, and every second turn-ups welds with first turn-ups or first main part respectively, and two bent arms of the bottom of first bellying and the bottom welding of second bellying all are connected with first main part, and are located the both ends of first main part, and two bent arms are used for being connected with the automobile body. Adopt this application, can still improve sub vehicle frame welding assembly's rigidity and mode when make full use of the idle space of inner chamber.

Description

Sub vehicle frame welding assembly and vehicle
Technical Field
The application relates to the technical field of vehicles, in particular to an auxiliary frame welding assembly and a vehicle.
Background
The auxiliary frame welding assembly is an important component of the frame and provides mounting points for parts such as a steering engine, a stabilizer bar, a transmitter suspension and a control arm. Usually, sub vehicle frame welding assembly includes body and two curved arms under body, the sub vehicle frame on the sub vehicle frame, and body lock welding back can form the rectangle inner chamber under body and the sub vehicle frame on the sub vehicle frame between the body, and this rectangle inner chamber can be used for holding spare part under body and the sub vehicle frame. However, in the rectangular cavity, the main portion for accommodating the components is mainly located near the edge, and therefore, a large space is not reasonably used in the middle portion.
With the increase of the requirements for the rigidity and the mode of the subframe welding assembly, generally, a worker can increase the rigidity and the mode of the subframe welding assembly by increasing the distance between the subframe upper body and the subframe lower body (i.e., increasing the height of the section of the rectangular cavity).
However, the above-mentioned method of increasing the distance also causes the welded sub-frame assembly to occupy more space that is not properly used.
Disclosure of Invention
The embodiment of the application provides a sub vehicle frame welding assembly and a vehicle, can solve the technical problem that exists in the correlation technique, the technical scheme of sub vehicle frame welding assembly and vehicle is as follows:
on one hand, the embodiment of the application provides an auxiliary frame welding assembly which comprises an auxiliary frame upper body, an auxiliary frame lower body and two bent arms;
the auxiliary frame upper body is provided with a first main body part and a plurality of first flanges which are positioned at the edge of the first main body part and face the auxiliary frame lower body direction, the first main body part is provided with a first bulge part, and the bulge direction of the first bulge part is the direction facing the auxiliary frame lower body;
the auxiliary frame lower body is provided with a second main body part and a plurality of second flanges which are positioned at the edge of the second main body part and face the direction of the auxiliary frame upper body, the second main body part is provided with a second bulge part, the bulge direction of the second bulge part is the direction facing the auxiliary frame upper body, and the position of the second bulge part corresponds to the position of the first bulge part;
each first flanging is welded with the second flanging or the second main body part respectively, each second flanging is welded with the first flanging or the first main body part respectively, and the bottom of the first bulge is welded with the bottom of the second bulge;
the first main body part, the second main body part, the first flanging and the second flanging enclose an inner cavity;
the two bent arms are connected with the first main body part and located at two ends of the first main body part, and the two bent arms are used for being connected with a vehicle body.
In a possible implementation manner, the bottom of the first protruding part is provided with a first through hole, and the bottom of the second protruding part is provided with a second through hole;
the position of the first through hole corresponds to the position of the second through hole, and the part of the bottom of the first bulge, which is positioned at the edge of the first through hole, is welded with the part of the bottom of the second bulge, which is positioned at the edge of the second through hole.
In one possible implementation, the first body portion further has a third boss, and the second body portion further has a fourth boss;
the protruding direction of the third protruding portion is towards the direction of the body under the auxiliary frame, and the protruding direction of the fourth protruding portion is towards the direction of the body on the auxiliary frame.
In a possible implementation manner, the third protruding portion has a protruding height smaller than that of the first protruding portion, and the fourth protruding portion has a protruding height smaller than that of the second protruding portion.
In one possible implementation, the first body portion further has two first mounting holes, and the second body portion further has two second mounting holes;
the two first mounting holes are positioned at two opposite ends of the first main body part, the two second mounting holes are positioned at two opposite ends of the second main body part, and the position of each first mounting hole corresponds to the position of one second mounting hole;
the two first mounting holes and the two second mounting holes are used for fixedly mounting two control arms.
In one possible implementation, the first body portion further has a plurality of third mounting holes, and the second body portion further has a plurality of fourth mounting holes;
the position of each third mounting hole corresponds to the position of one fourth mounting hole;
the plurality of third mounting holes and the plurality of fourth mounting holes are used for fixedly mounting a steering gear.
In one possible implementation, the first body portion further has a fifth mounting hole, and the second body portion further has a sixth mounting hole;
the position of the fifth mounting hole corresponds to the position of the sixth mounting hole;
the fifth mounting hole and the sixth mounting hole are used for fixedly mounting an engine mount.
In one possible implementation, the first body portion further has a plurality of seventh mounting holes;
the seventh mounting holes are used for fixedly mounting the stabilizer bar.
In one possible implementation, the two bent arms are welded to the first body portion.
In another aspect, embodiments of the present application provide a vehicle including a subframe welding assembly according to any one of the above.
The technical scheme provided by the embodiment of the application at least comprises the following beneficial effects:
the embodiment of the application provides a sub vehicle frame welding assembly, and this sub vehicle frame welding assembly includes body and two curved arms under body, the sub vehicle frame on the sub vehicle frame. The body has first main part and a plurality of first turn-ups on the sub vehicle frame, and first main part has first bellying, and the direction of the arch of first bellying is the direction towards sub vehicle frame body down. The subframe lower body is provided with a second main body part and a plurality of second flanges, the second main body part is provided with a second bulge part, and the bulge direction of the second bulge part is towards the direction of the subframe upper body. Each first flanging is welded with the second flanging or the second main body part respectively, each second flanging is welded with the first flanging or the first main body part respectively, and the bottom of the first bulge is welded with the bottom of the second bulge. Adopt this application, can be through the welding between first bellying and the second bellying, when make full use of the idle space of inner chamber, still improved sub vehicle frame welding assembly's rigidity and mode.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a subframe welding assembly according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a subframe welding assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of a subframe welding assembly according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of an upper body of a subframe according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a subframe lower body according to an embodiment of the present disclosure.
Description of the drawings
1. An auxiliary frame upper body;
11. a first body portion; 12. a first flanging;
111. a first boss portion; 112. a third boss portion; 113. a first mounting hole; 114. a third mounting hole; 115. a fifth mounting hole; 116. a seventh mounting hole;
1111. a first through hole;
2. a subframe lower body;
21. a second body portion; 22. second flanging;
211. a second boss portion; 212. a fourth boss; 213. a second mounting hole; 214. a fourth mounting hole; 215. a sixth mounting hole;
2111. a second through hole;
3. and (4) bending the arm.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The embodiment of the application provides a subframe welding assembly, and referring to fig. 1, 2 and 3, the subframe welding assembly comprises an upper subframe body 1, a lower subframe body 2 and two bent arms 3.
The sub-frame upper body 1 and the sub-frame lower body 2 can be used for bearing parts such as a suspension, for example, mounting points can be provided for parts such as a control arm, a steering gear, an engine mount and a stabilizer bar, and the parts can be mounted on a vehicle body through the sub-frame upper body 1 and the sub-frame lower body 2.
Two bent arms 3 are fixedly connected to the upper surface of the body 1 on the auxiliary frame and are respectively located at two opposite ends of the body 1 on the auxiliary frame. And the two bent arms 3 are used for fixedly connecting the auxiliary frame welding assembly with a vehicle body.
The body 2 is in the same place through welded connection lock under body 1 and the sub vehicle frame on the sub vehicle frame, forms the inner chamber between the two. Spare part can fixed connection on sub vehicle frame welding assembly, and the cavity of body 1 and sub vehicle frame under the body 2 shape can be used for holding the spare part of connection at sub vehicle frame welding assembly, places the space for it provides.
For promoting sub vehicle frame welding assembly's rigidity and mode, body 2 has carried out corresponding setting under body 1 and the sub vehicle frame on the sub vehicle frame this application embodiment, below, body 2 and curved boom 3 carry out more detailed introduction under body 1, the sub vehicle frame respectively on the sub vehicle frame:
sub-frame upper body 1
The body 1 on the auxiliary frame can be an integrated structure and can be formed by stamping a sheet metal part. The subframe upper body 1 has a first main body portion 11 and a plurality of first flanges 12 located at the edges of the first main body portion 11 in the direction toward the subframe lower body 2.
The first body portion 11 has a rectangular configuration with an outwardly projecting formation at each of the four corners of the rectangular configuration. The specific structure of the first body portion 11 may be configured accordingly according to requirements, and this is not limited in this embodiment of the application.
The technical staff can set up corresponding first turn-ups 12 in the border position department of first main part 11 as required, can have a certain distance between the adjacent first turn-ups 12 in position, also can interconnect, can carry out corresponding setting according to particular case, and this application embodiment does not do the restriction to the quantity and the concrete position of first turn-ups 12.
The first main body portion 11 has a first protruding portion 111, and the protruding direction of the first protruding portion 111 is a direction toward the subframe lower body 2. The first boss 111 may be stamped and formed. In the embodiment of the present application, the shape of the first protruding portion 111 may be a rectangle, and of course, other shapes may also be used, and the corresponding arrangement may be performed according to specific situations, which is not limited in the embodiment of the present application.
Subframe lower body 2
The sub-frame lower body 2 can be an integrally formed structure and can be formed by stamping a sheet metal part. The subframe lower body 2 has a second main body portion 21 and a plurality of second flanges 22 located at the edge of the second main body portion 21 in the direction toward the subframe upper body 1.
Opposite the first body portion 11, the second body portion 21 may also have a rectangular configuration with an outwardly projecting formation disposed at each of the four corners of the rectangular configuration. Generally, the structure and shape of the second body portion 21 corresponds to the structure and shape of the first body portion 11. The specific structure of the second body portion 21 may be configured accordingly according to the requirement, which is not limited in this embodiment of the application.
The technical staff can set up corresponding second turn-ups 22 in the border position department of second main part 21 as required, can have a certain distance between the adjacent second turn-ups 22 in position, also can interconnect, can carry out corresponding setting according to particular case, and this application embodiment does not do the restriction to the quantity and the concrete position of second turn-ups 22.
The second main body portion 21 has a second protruding portion 211, the protruding direction of the second protruding portion 211 is a direction toward the sub frame upper body 1, and the position of the second protruding portion 211 corresponds to the position of the first protruding portion 111. The second protrusion 211 may be stamped and formed. In the embodiment of the present application, the shape of the second protrusion 211 may also be rectangular, and of course, other shapes may also be used, and the second protrusion may be correspondingly disposed according to specific situations, which is not limited in the embodiment of the present application.
Bent arm 3
The two bent arms 3 are connected with the first main body part 11 and located at two ends of the first main body part 11, and the two bent arms 3 are used for being connected with a vehicle body.
In a possible implementation manner, the two curved arms are located at two ends of the same side of the first main body portion 11, and of course, the two curved arms may be correspondingly arranged according to specific requirements, which is not limited in the embodiment of the present application.
The auxiliary frame welding assembly can be fixedly connected with a vehicle body through two bent arms 3.
In a possible implementation, the other two bent arms 3 can be welded to the first body portion 11.
Connection between subframe upper body 1 and subframe lower body 2
Each first flange 12 is welded to the second flange 22 or the second body portion 21, respectively, and each second flange 22 is welded to the first flange 12 or the first body portion 11, respectively.
In the implementation, in the plurality of first flanges 12 and the plurality of second flanges 22, the first flanges 12 and the second flanges 22 may have positions corresponding to each other, the first flanges 12 may also have positions not corresponding to the positions of all the second flanges 22, and similarly, the second flanges 22 may also have positions not corresponding to the positions of all the first flanges 12, and a technician may set the second flanges according to a requirement, which is not limited in the embodiment of the present application.
For the first flange 12 and the second flange 22 corresponding to each other in position, the first flange 12 and the second flange 22 may be welded when the subframe upper body 1 and the subframe lower body 2 are connected.
For the first flanges 12 whose positions do not correspond to the positions of all the second flanges 22, when the subframe upper body 1 and the subframe lower body 2 are connected, the first flanges 12 may be welded to the second main body portion 21, for example, the first flanges 12 may be welded to the upper surface of the second main body portion 21 (the surface of the subframe lower body 2 on the side close to the subframe upper body 1).
For the second flanges 22 whose positions do not correspond to the positions of all the first flanges 12, when the subframe upper body 1 and the subframe lower body 2 are connected, the second flanges 22 may be welded to the first main body portion 11, for example, the second flanges 22 may be welded to the lower surface of the first main body portion 11 (the surface of the subframe upper body 1 on the side close to the subframe lower body 2).
In this way, the subframe upper body 1 and the subframe lower body 2 can be welded together, and the first main body portion 11, the second main body portion 21, the first flange 12 and the second flange 22 can enclose an inner cavity.
The cavity may be used to provide space for components attached to the welded subframe assembly, but typically most of the components are attached to the welded subframe assembly at the edge locations, i.e., the edge locations of the first and second body portions 11 and 21, so that the space in the center of the cavity is left unused and is not fully utilized.
On the basis of the above connection, in order to improve the rigidity and the mode of the subframe welding assembly and simultaneously fully utilize the space in the inner cavity, in the embodiment of the present application, the bottom of the first protruding portion 111 may be welded to the bottom of the second protruding portion 211.
The bottom of first bellying 111 and the bottom of second bellying 211 all can be planar structure, and when first turn-ups 11 and second main part 21 or second turn-ups 22 welded connection, and second turn-ups 22 and first main part 11 or first turn-ups 12 welded connection, the bottom of first bellying 111 can be with the bottom welded connection of second bellying 211 to when make full use of the idle space in the inner chamber, the rigidity and the mode of sub vehicle frame welding assembly have been promoted.
In one possible implementation, the bottom of the first protrusion 111 has a first through hole 1111, and the bottom of the second protrusion 211 has a second through hole 2111. The position of the first through hole 1111 corresponds to the position of the second through hole 2111.
When the subframe upper body 1 and the subframe lower body 2 are connected, the portion of the bottom of the first boss 111 located at the edge of the first through hole 1111 and the portion of the bottom of the second boss 211 located at the edge of the second through hole 2111 may be welded, so that the rigidity and the mode of the subframe welding assembly may be improved, and the effect of reducing weight may be achieved.
The shape of the first through hole 1111 and the shape of the second through hole 2111 may be the same or different, and this embodiment of the present application is not limited thereto. The shape of the first through hole 1111 and the shape of the second through hole 2111 may be any reasonable shape, which is not limited in the embodiment of the present application.
In order to further improve the rigidity and the mode of the auxiliary vehicle welding assembly, the auxiliary vehicle frame upper body 1 and the auxiliary vehicle frame lower body 2 in the embodiment of the application can also have the following structures:
the first body portion 11 also has a third boss 112 (which may also be referred to as a bead) and the second body portion 21 also has a fourth boss 212 (which may also be referred to as a bead).
In one possible implementation, in order to improve the rigidity and the mode of the subframe upper body 1 and fully utilize the empty space in the cavity, the protruding direction of the third protruding portion 112 may be set to be a direction toward the subframe lower body 2. Similarly, in order to improve the rigidity and the mode of the subframe lower body 2 and to fully utilize the empty space in the cavity, the protruding direction of the fourth protruding portion 212 may be set to be toward the subframe upper body 1.
It is to be understood that the third boss 112 and the fourth boss 212 may be provided at positions that do not affect the mounting of the parts.
The first body portion 11 may have one or more third protrusions 112, and the second body portion 21 may have one or more fourth protrusions 212, and the number and the positions of the third protrusions 112 and the number and the positions of the fourth protrusions 212 are not limited in the embodiments of the present application.
In a possible implementation manner, the height of the third protruding portion 112 is smaller than that of the first protruding portion 111, and the height of the fourth protruding portion 212 is smaller than that of the second protruding portion 211, so that when the sub-frame upper body 1 and the sub-frame lower body 2 are welded together, a certain distance is provided between the bottom of the third protruding portion 112 and the bottom of the fourth protruding portion 212, and contact interference between the bottom of the third protruding portion 112 and the bottom of the fourth protruding portion 212 is avoided.
Referring now to fig. 4 and 5, the connection arrangement between the various components and the subframe welding assembly will be described in more detail:
connection of control arms
The first body portion 11 also has two first mounting holes 113 and the second body portion 21 also has two second mounting holes 213.
Two first mounting holes 113 are located at opposite ends of the first body portion 11, two second mounting holes 213 are located at opposite ends of the second body portion 21, and the position of each first mounting hole 113 corresponds to the position of one second mounting hole 213. The two first mounting holes 113 and the two second mounting holes 213 are used to fixedly mount the two control arms.
In practice, when the subframe upper body 1 and the subframe lower body 2 are welded together, the position of each first mounting hole 113 corresponds to the position of one second mounting hole 213, and two sets of first mounting holes 113 and second mounting holes 213 are formed, the positions of which correspond to each other.
The first mounting hole 113 and the second mounting hole 213 of each set are used for fixedly mounting a control arm, and a technician can pass screws through the first mounting hole 113, the second mounting hole 213 and the mounting holes arranged on the control arm, so as to connect the control arm with the sub-frame upper body 1 and the sub-frame lower body 2.
The size and the position of the aperture of the first mounting hole 113 and the size and the position of the aperture of the second mounting hole 213 may be set by a technician according to requirements, which is not limited in the embodiment of the present application.
Connection of steering gear
The first body portion 11 also has a plurality of third mounting holes 114 and the second body portion 21 also has a plurality of fourth mounting holes 214. The position of each third mounting hole 114 corresponds to the position of one fourth mounting hole 214. The third plurality of mounting holes 114 and the fourth plurality of mounting holes 214 are used to fixedly mount the steering gear.
In practice, when the subframe upper body 1 and the subframe lower body 2 are welded together, each third mounting hole 114 is located at a position corresponding to a position of one fourth mounting hole 214, and a plurality of sets of third mounting holes 114 and fourth mounting holes 214 are formed at positions corresponding to each other.
The position of the third mounting hole 114 and the position of the fourth mounting hole 214 of each group correspond to the position of one mounting hole on the steering gear, and technicians can pass screws through the third mounting hole 114, the fourth mounting hole 214 and the mounting holes arranged on the steering gear, so that the steering gear is connected with the sub-frame upper body 1 and the sub-frame lower body 2.
The size and the position of the aperture of the third mounting hole 114 and the size and the position of the aperture of the fourth mounting hole 214 can be set by a technician according to requirements, which is not limited in the embodiment of the present application.
Connection of engine mount
The first body portion 11 also has a fifth mounting hole 115 and the second body portion 21 also has a sixth mounting hole 215.
The position of the fifth mounting hole 115 corresponds to the position of the sixth mounting hole 215. The fifth mounting hole 115 and the sixth mounting hole 215 are used to fixedly mount the engine mount.
In practice, the positions of the fifth mounting hole 115 and the sixth mounting hole 215 correspond when the subframe upper body 1 and the subframe lower body 2 are welded together. When the engine mount is installed, the mounting holes on the engine mount can be correspondingly placed with the fifth mounting hole 115 and the sixth mounting hole 215, and technicians can pass screws through the fifth mounting hole 115, the sixth mounting hole 215 and the mounting holes formed in the engine mount, so that the engine mount and the subframe upper body 1 and the subframe lower body 2 are connected together.
The size and the position of the aperture of the fifth mounting hole 115 and the size and the position of the aperture of the sixth mounting hole 215 may be set by a technician according to requirements, which is not limited in the embodiment of the present application.
Connection of stabilizer bar
The first body portion 11 also has a plurality of seventh mounting holes 116. The seventh mounting holes 116 are used to fixedly mount the stabilizer bar.
When installing the stabilizer bar, can correspond the mounting hole on the stabilizer bar and place with seventh mounting hole 116, the technical staff can pass the mounting hole that sets up on seventh mounting hole 116 and the stabilizer bar with the screw to body 1 links together on stabilizer bar and the sub vehicle frame.
The size and the position of the aperture of the seventh mounting hole 116 can be set by a skilled person according to requirements, which is not limited in the embodiment of the present application.
The embodiment of the application also provides a vehicle, and the vehicle comprises any one of the auxiliary frame welding assemblies.
The technical scheme provided by the embodiment of the application at least comprises the following beneficial effects:
the embodiment of the application provides a sub vehicle frame welding assembly, and this sub vehicle frame welding assembly includes body 2 and two curved arms 3 under body 1, the sub vehicle frame on the sub vehicle frame. The subframe upper body 1 has a first main body portion 11 and a plurality of first flanges 12, the first main body portion 11 has a first convex portion 111, and the convex direction of the first convex portion 111 is a direction toward the subframe lower body 2. The subframe lower body 2 has a second main body portion 21 and a plurality of second flanges 22, the second main body portion 21 has a second convex portion 211, and the convex direction of the second convex portion 211 is a direction toward the subframe upper body 1. Each first flange 12 is welded to the second flange 22 or the second body portion 21, respectively, each second flange 22 is welded to the first flange 12 or the first body portion 11, respectively, and the bottom of the first boss 111 is welded to the bottom of the second boss 211. By adopting the welding method, the welding between the first protruding part 111 and the second protruding part 211 can be realized, the idle space of the inner cavity is fully utilized, and meanwhile, the rigidity and the mode of the auxiliary frame welding assembly are also improved.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. An auxiliary frame welding assembly is characterized by comprising an auxiliary frame upper body (1), an auxiliary frame lower body (2) and two bent arms (3);
the auxiliary frame upper body (1) is provided with a first main body part (11) and a plurality of first flanging (12) which are positioned at the edge of the first main body part (11) and face the auxiliary frame lower body (2), the first main body part (11) is provided with a first bulge (111), and the bulge direction of the first bulge (111) faces the auxiliary frame lower body (2);
the auxiliary frame lower body (2) is provided with a second main body part (21) and a plurality of second flanging (22) which are positioned at the edge of the second main body part (21) and face the auxiliary frame upper body (1), the second main body part (21) is provided with a second bulge (211), the bulge direction of the second bulge (211) faces the auxiliary frame upper body (1), and the position of the second bulge (211) corresponds to the position of the first bulge (111);
each first flanging (12) is welded with the second flanging (22) or the second main body part (21), each second flanging (22) is welded with the first flanging (12) or the first main body part (11), and the bottom of the first bulge (111) is welded with the bottom of the second bulge (211);
the first main body part (11), the second main body part (21), the first flanging (12) and the second flanging (22) enclose an inner cavity;
the two bent arms (3) are connected with the first main body part (11) and located at two ends of the first main body part (11), and the two bent arms (3) are used for being connected with a vehicle body.
2. The subframe welding assembly of claim 1 wherein the bottom of said first boss (111) has a first through hole (1111) and the bottom of said second boss (211) has a second through hole (2111);
the position of the first through hole (1111) corresponds to the position of the second through hole (2111), and a portion of the bottom of the first boss (111) located at the edge of the first through hole (1111) is welded to a portion of the bottom of the second boss (211) located at the edge of the second through hole (2111).
3. The subframe weld assembly of claim 2 wherein the first body portion (11) further has a third boss (112) and the second body portion (21) further has a fourth boss (212);
the protruding direction of the third protruding portion (112) is towards the direction of the sub-frame lower body (2), and the protruding direction of the fourth protruding portion (212) is towards the direction of the sub-frame upper body (1).
4. The subframe weld assembly of claim 3 wherein the third boss (112) has a boss height less than the boss height of the first boss (111) and the fourth boss (212) has a boss height less than the boss height of the second boss (211).
5. The subframe weld assembly of claim 1 wherein the first body portion (11) further has two first mounting holes (113) and the second body portion (21) further has two second mounting holes (213);
two first mounting holes (113) are positioned at two opposite ends of the first main body part (11), two second mounting holes (213) are positioned at two opposite ends of the second main body part (21), and the position of each first mounting hole (113) corresponds to the position of one second mounting hole (213);
the two first mounting holes (113) and the two second mounting holes (213) are used for fixedly mounting two control arms.
6. The subframe weld assembly of claim 1 wherein the first body portion (11) further has a third plurality of mounting holes (114) and the second body portion (21) further has a fourth plurality of mounting holes (214);
the position of each third mounting hole (114) corresponds to the position of one fourth mounting hole (214);
the third plurality of mounting holes (114) and the fourth plurality of mounting holes (214) are used for fixedly mounting a steering gear.
7. The subframe weld assembly of claim 1 wherein said first body portion (11) further has a fifth mounting hole (115) and said second body portion (21) further has a sixth mounting hole (215);
the position of the fifth mounting hole (115) corresponds to the position of the sixth mounting hole (215);
the fifth mounting hole (115) and the sixth mounting hole (215) are used for fixedly mounting an engine mount.
8. The subframe weld assembly of claim 1 wherein the first body portion (11) further has a plurality of seventh mounting holes (116);
the seventh mounting holes (116) are used for fixedly mounting the stabilizer bar.
9. The sub-frame welding assembly according to claim 1, wherein said two bent arms (3) are welded to said first body portion (11).
10. A vehicle comprising the sub-frame weld assembly of any one of claims 1 to 9.
CN202210121984.3A 2022-02-09 2022-02-09 Sub vehicle frame welding assembly and vehicle Pending CN114426062A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004203274A (en) * 2002-12-26 2004-07-22 Toyota Motor Corp Front body structure of vehicle
US20160152272A1 (en) * 2013-07-11 2016-06-02 F-Tech Inc. Subframe for vehicle
CN105857399A (en) * 2016-06-27 2016-08-17 奇瑞汽车股份有限公司 Automotive front auxiliary frame structure
CN206704299U (en) * 2017-03-17 2017-12-05 乐视汽车(北京)有限公司 Subframe and the electric automobile using the subframe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004203274A (en) * 2002-12-26 2004-07-22 Toyota Motor Corp Front body structure of vehicle
US20160152272A1 (en) * 2013-07-11 2016-06-02 F-Tech Inc. Subframe for vehicle
CN105857399A (en) * 2016-06-27 2016-08-17 奇瑞汽车股份有限公司 Automotive front auxiliary frame structure
CN206704299U (en) * 2017-03-17 2017-12-05 乐视汽车(北京)有限公司 Subframe and the electric automobile using the subframe

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