CN211731559U - Rear auxiliary frame and vehicle - Google Patents
Rear auxiliary frame and vehicle Download PDFInfo
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- CN211731559U CN211731559U CN202020196438.2U CN202020196438U CN211731559U CN 211731559 U CN211731559 U CN 211731559U CN 202020196438 U CN202020196438 U CN 202020196438U CN 211731559 U CN211731559 U CN 211731559U
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- plate
- arm mounting
- control arm
- auxiliary frame
- subframe
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Abstract
The utility model relates to a rear auxiliary frame and a vehicle, the utility model discloses a rear auxiliary frame comprises two longitudinal beams, a front cross beam, a rear cross beam and a control arm installation unit, wherein, the front end and the rear end of each longitudinal beam are respectively provided with an extension part extending to the outer side of the rear auxiliary frame, each extension part is provided with an installation position, and the longitudinal beam is respectively provided with a connecting part extending to the inner side of the rear auxiliary frame adjacent to each extension part; the front cross beam and the rear cross beam are both tubular beam structures extending along the width direction of the rear auxiliary frame. The rear auxiliary frame of the utility model reduces the number of parts of the rear auxiliary frame compared with the rear auxiliary frame formed by stamping parts by adopting the tubular beam structure for the front beam and the rear beam; in addition, the connecting parts are arranged on the longitudinal beams, so that parts between the front and rear cross beams and the longitudinal beams can be conveniently formed, and the front and rear cross beams can be directly made of sectional materials, so that the cost of the rear auxiliary frame can be reduced compared with a rear auxiliary frame formed by hydraulic pipes.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to back sub vehicle frame. And simultaneously, the utility model discloses still relate to a vehicle that has this back sub vehicle frame.
Background
The auxiliary frame is a middle buffer body for connecting the vehicle body and the suspension, and the proportion relation between the comfort and the controllability of the vehicle can be adjusted by adjusting the rigidity of the suspension. The back sub vehicle frame among the prior art adopts punching press plate or hydraulic pressure pipe fitting welding to form usually, to the back sub vehicle frame that the punching press plate constitutes, it needs more stamping workpiece overlap joint lock to form, can need more mould and have more welding bead, greatly increased the cost. In the rear sub-frame formed by hydraulic pipes, although the number of welding beads is small, the cost of a hydraulic die and a hydraulic system is high during hydraulic forming, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a rear subframe, which has fewer parts and is low in cost.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a rear subframe, comprising:
longitudinal beams, which are two opposite to each other in the width direction of the rear subframe, are respectively provided with an extending part extending to the outer side of the rear subframe at the front end and the rear end of each longitudinal beam, are respectively provided with a mounting position on each extending part, are adjacent to each extending part, and are respectively provided with a connecting part extending to the inner side of the rear subframe;
the front cross beam and the rear cross beam are of tubular beam structures extending along the width direction of the rear auxiliary frame, the front cross beam is fixedly connected between the connecting parts on two sides of the front end of the longitudinal beam, and the rear cross beam is fixedly connected between the connecting parts on two sides of the rear end of the longitudinal beam;
and the control arm mounting units are arranged on the longitudinal beams respectively, are positioned at the intersection of the extension part at the front end and the connecting part, and comprise upper control arm mounting parts positioned at the upper parts of the longitudinal beams and lower control arm mounting parts positioned at the lower parts of the longitudinal beams.
Furthermore, go up the control arm installation department and include that the cross-section is "n" shape last control arm mounting panel, just last control arm mounting hole has been seted up on the control arm mounting panel.
Further, the lower control arm installation part comprises a front installation plate and a rear installation plate which are arranged oppositely, and is connected with the front installation plate and a connecting plate between the rear installation plates, and the front installation plate and the rear installation plate are correspondingly provided with lower control arm installation holes.
Further, a stabilizer bar mounting part is configured on the rear mounting plate.
Furthermore, two rear cross arm mounting brackets which are oppositely arranged are arranged on the rear cross beam, and a rear cross arm mounting part and a rear wheel wire harness adjusting part are constructed on the rear cross arm mounting brackets.
Further, the middle portion of the rear cross member has a bend to the rear of the rear sub frame with respect to both ends.
Furthermore, the rear wheel wire harness adjusting part comprises two cutting tongues which are oppositely arranged at two sides of the rear cross arm mounting hole, and the cutting tongues at two sides are oppositely arranged by a flat surface constructed on the cutting tongues.
Furthermore, each longitudinal beam is formed by fixedly connecting an upper longitudinal beam plate and a lower longitudinal beam plate in a buckling manner.
Furthermore, the rear end of the longitudinal beam upper plate is arranged in a protruding mode relative to the longitudinal beam lower plate, and a rear suspension lifting positioning hole is formed in the protruding position of the longitudinal beam upper plate.
Compared with the prior art, the utility model discloses following advantage has:
(1) the rear auxiliary frame of the utility model reduces the number of parts of the rear auxiliary frame compared with the rear auxiliary frame formed by stamping parts by adopting the tubular beam structure for the front beam and the rear beam; in addition, the connecting parts are arranged on the longitudinal beams, so that parts between the front and rear cross beams and the longitudinal beams can be conveniently formed, and the front and rear cross beams can be directly made of sectional materials, so that the cost of the rear auxiliary frame can be reduced compared with the rear auxiliary frame formed by hydraulic pipes, and the rear auxiliary frame has a better using effect.
(2) The section of the upper control arm mounting plate is n-shaped, so that the structural strength of the upper control arm mounting plate is improved, and the mounting stability of the upper control arm can be improved.
(3) The lower control arm installation part is composed of a front installation plate, a rear installation plate and a connecting plate, and is simple in structure, and meanwhile, the lower control arm installation part can have high structural strength.
(4) The rear mounting plate is provided with a stabilizer bar mounting part, so that the use effect of the rear auxiliary frame can be further improved.
(5) The rear wheel wiring harness adjusting part is constructed on the rear cross arm mounting bracket, so that the number of parts of the rear auxiliary frame can be reduced.
(6) The middle part of the rear cross beam is bent towards the rear part of the rear auxiliary frame, so that the structural strength of the rear cross beam is improved.
(7) The rear wheel wire harness adjusting part adopts a cutting tongue, so that the structure is simple, and the design and implementation are convenient.
(8) The longitudinal beam is formed by fixedly connecting an upper longitudinal beam plate and a lower longitudinal beam plate in a buckling manner, and the processing cost of the longitudinal beam is favorably reduced.
(9) Set up the rear overhang on the longeron upper plate and lift the locating hole, can further improve the result of use of back sub vehicle frame.
Another object of the present invention is to provide a vehicle, wherein the rear sub-frame is disposed on the vehicle.
Vehicle and above-mentioned back sub vehicle frame be the same for the beneficial effect that prior art has, no longer give unnecessary details here.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a rear subframe according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the rear subframe according to the embodiment of the present invention at another viewing angle;
fig. 3 is a schematic structural view of the rear subframe according to the embodiment of the present invention at another viewing angle;
fig. 4 is a schematic structural view of the rear subframe according to the embodiment of the present invention at another viewing angle;
fig. 5 is a schematic structural view of the rear subframe according to the embodiment of the present invention at another viewing angle;
description of reference numerals:
1-longitudinal beam, 101-extension part, 102-connecting part, 103-longitudinal beam upper plate, 104-longitudinal beam lower plate;
2-rear mounting plate, 201-stabilizer bar mounting hole;
3-lower control arm mounting hole, 4-front mounting plate and 5-mounting sleeve;
6-upper control arm mounting plate, 601-upper control arm mounting hole;
7-front beam, 8-rear suspension lifting positioning hole;
9-a rear cross arm mounting bracket, 901-a rear cross arm mounting hole and 902-a cutting tongue;
10-rear cross beam, 11-connecting plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The present embodiment relates to a rear subframe, which includes two longitudinal members 1, a front cross member 7, a rear cross member 10, and a control arm mounting unit in an integrated structure, as shown in fig. 1 and 2. Wherein, two longerons 1 are in the width direction of back sub vehicle frame opposition each other, and for reducing processing cost and whole weight, the longeron 1 of this embodiment is inside hollow to it forms to link firmly with longeron hypoplastron 104 lock by the longeron upper plate 103 that the punching press formed. In addition, as shown in fig. 3, the rear end of the stringer upper plate 103 is disposed to protrude outward relative to the stringer lower plate 104, and a rear overhang positioning hole 8 is formed at the protruding position of the stringer upper plate 103.
As shown in fig. 1 and 2, the longitudinal beams 1 are respectively provided at the front and rear ends thereof with extension portions 101 extending to the outside of the rear subframe, and the extension portions 101 at the two ends are respectively provided with mounting locations for connection to the vehicle body. The installation position of this embodiment is specifically for inlaying installation sleeve 5 of adorning in being fixed in longeron 1, and the both ends of installation sleeve 5 are evagination setting for longeron 1, and its concrete structure is similar with prior art. As shown in fig. 1, adjacent to the extending portions 101, connecting portions 102 extending toward the inner side of the rear subframe are formed on the side members 1 so as to be connected to the front cross member 7 and the rear cross member 10, respectively.
As shown in fig. 1 and 2, in order to reduce the manufacturing cost, the front cross member 7 and the rear cross member 10 of the present embodiment are both of a tubular beam structure extending in the width direction of the rear subframe, and in order to further reduce the cost, the front cross member 7 and the rear cross member 10 are preferably made of tubular pipes. The front beam 7 is fixedly connected between the two side connecting parts 102 at the front end of the longitudinal beam 1, and the rear beam 10 is fixedly connected between the two side connecting parts 102 at the rear end of the longitudinal beam 1. In addition, to improve the use effect, as shown in fig. 1, two rear arm mounting brackets 9 are provided on the rear cross member 10 in an opposed arrangement, and a rear arm mounting portion and a rear wheel harness adjusting portion are configured on the rear arm mounting brackets 9.
At this time, in order to improve the mounting effect of the rear cross arm, as shown in fig. 2, the middle portion of the rear cross member 10 has a bend rearward of the rear sub frame with respect to both ends, whereby the structural strength of the rear cross member 10 can be improved. In order to achieve both structural strength and processing cost of the rear arm mounting bracket 9, the rear arm mounting bracket 9 of the present embodiment is specifically configured to have a "U" -shaped plate-like structure. As shown in fig. 1 and 2, the rear crossbar mounting portion is a rear crossbar mounting hole 901 disposed through the rear crossbar mounting bracket 9, and the rear wheel harness adjustment portion includes two cutting tongues 902 disposed opposite to each other on both sides of the rear crossbar mounting hole 901, and the cutting tongues 902 on both sides are disposed opposite to each other by a flat surface formed on the rear crossbar mounting portion.
As shown in fig. 1 and 2, the control arm mounting units are respectively disposed on the longitudinal beams 1, and the control arm mounting portion on each longitudinal beam 1 is located at the intersection of the extending portion 101 and the connecting portion 102 at the front end, so that the mounting strength of the control arm can be improved. As shown in fig. 4 and 5, the control arm attachment part of the present embodiment specifically includes an upper control arm attachment part located at an upper portion of the side member 1 and a lower control arm attachment part located at a lower portion of the side member 1.
As shown in fig. 4, in order to improve the structural strength, the upper control arm mounting part specifically includes an upper control arm mounting plate 6 having an "n" shaped cross section. Furthermore, the two sides of the upper control arm mounting plate 6 are respectively provided with outward flanges, so that the structural strength of the upper control arm mounting plate 6 can be improved, the connection with the longitudinal beam 1 is facilitated, and the connection length with the longitudinal beam 1 can be increased. In addition, for the convenience of manufacturing, the upper control arm mounting portion of the present embodiment is specifically an upper control arm mounting hole that penetrates the upper control arm mounting plate 6. The upper control arm mounting hole 601 is specifically a slotted hole, so that camber of the rear wheel of the whole vehicle can be conveniently adjusted. In addition, corresponding to the upper control arm mounting hole 601, the two sides of the upper control arm mounting plate 6 are respectively and fixedly connected with a reinforcing plate, so that the mounting strength of the upper control arm can be improved.
As shown in fig. 4 and 5, the lower control arm mounting part specifically includes a front mounting plate 4 and a rear mounting plate 2 which are oppositely arranged, and a connecting plate 11 connected between the front mounting plate 4 and the rear mounting plate 2, and lower control arm mounting holes 3 are correspondingly provided on the front mounting plate 4 and the rear mounting plate 2. Wherein, for improving structural strength, the edges of the front mounting plate 4 and the rear mounting plate 2 are both formed with flanges turned over to the side back to the connecting plate 11. Furthermore, at the position of the lower control arm mounting hole 3, the front mounting plate 4 and the rear mounting plate 2 are respectively provided with a convex part protruding towards one side of the connecting plate 11, so that the structural strength of the front mounting plate 4 and the rear mounting plate 2 can be enhanced. In addition, in order to facilitate the installation of the lower control arm, a nut is fixedly connected to one side of the rear mounting plate 2, which is back to the front mounting plate 4, corresponding to the lower control arm mounting hole 3.
In addition, in order to further enhance the use effect of the rear subframe, a stabilizer bar mounting portion is further configured on the rear mounting plate 2. As shown in fig. 4 and 5, the stabilizer bar mounting portion is specifically a stabilizer bar mounting hole 201 opened in the rear mounting plate 2, and the stabilizer bar mounting holes 201 are specifically two that are provided at intervals in the height direction of the rear subframe. In addition, in order to improve the mounting strength of the stabilizer bar, a protrusion is formed on the rear mounting plate 2 at the position of the stabilizer bar mounting hole 201 to the side facing away from the front mounting plate 4. In addition, in order to facilitate the installation of the stabilizer bar, a nut is fixedly connected to the side of the rear mounting plate 2 facing the front mounting plate 4 corresponding to each stabilizer bar mounting hole 201.
Based on above overall description, the back sub vehicle frame of this embodiment is made through adopting the tubular section with front beam 7 and rear beam 10 to and longeron 1 is linked firmly by the longeron upper plate 103 and the longeron hypoplastron 104 lock of punching press and forms, and for current structure, it is not only that the part quantity is less, and the cost is also lower, and this back sub vehicle frame can provide the installation position for a plurality of spare parts simultaneously, thereby makes this back sub vehicle frame have better result of use.
In addition, this embodiment still relates to a vehicle that has above-mentioned back sub frame, based on the above-mentioned advantage of back sub frame, can reduce the spare part quantity and the processing cost of this vehicle to make this vehicle have better result of use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rear subframe characterized by comprising:
longitudinal beams (1) which are two opposite to each other in the width direction of the rear subframe, wherein extending portions (101) extending towards the outer side of the rear subframe are respectively formed at the front end and the rear end of each longitudinal beam (1), mounting positions are respectively arranged on each extending portion (101), connecting portions (102) extending towards the inner side of the rear subframe are respectively formed on the longitudinal beams (1) and are adjacent to each extending portion (101);
the front cross beam (7) and the rear cross beam (10) are of tubular beam structures extending along the width direction of the rear auxiliary frame, the front cross beam (7) is fixedly connected between the connecting parts (102) on two sides of the front end of the longitudinal beam (1), and the rear cross beam (10) is fixedly connected between the connecting parts (102) on two sides of the rear end of the longitudinal beam (1);
the control arm mounting units are arranged on the longitudinal beams (1) respectively, located at the intersection of the extension part (101) at the front end and the connecting part (102) and comprise upper control arm mounting parts located at the upper parts of the longitudinal beams (1) and lower control arm mounting parts located at the lower parts of the longitudinal beams (1).
2. The rear subframe of claim 1 wherein: the upper control arm mounting part comprises an upper control arm mounting plate (6) with an n-shaped section, and an upper control arm mounting hole (601) is formed in the upper control arm mounting plate (6).
3. The rear subframe of claim 1 wherein: the lower control arm installation part comprises a front installation plate (4) and a rear installation plate (2) which are arranged oppositely, and is connected with the front installation plate (4) and a connecting plate (11) between the rear installation plates (2), and the front installation plate (4) and the rear installation plates (2) are correspondingly provided with lower control arm installation holes (3).
4. The rear subframe of claim 3 wherein: a stabilizer bar mounting part is formed on the rear mounting plate (2).
5. The rear subframe of claim 1 wherein: two rear cross arm mounting brackets (9) which are oppositely arranged are arranged on the rear cross beam (10), and a rear cross arm mounting part and a rear wheel wire harness adjusting part are constructed on the rear cross arm mounting brackets (9).
6. The rear subframe of claim 5 wherein: the middle part of the rear cross member (10) has a bend toward the rear of the rear sub frame with respect to both ends.
7. The rear subframe of claim 5 wherein: the rear cross arm mounting part is a rear cross arm mounting hole (901) formed in the rear cross arm mounting bracket (9), the rear wheel wire harness adjusting part comprises two cutting tongues (902) which are oppositely arranged on two sides of the rear cross arm mounting hole (901), and the cutting tongues (902) on two sides are oppositely arranged by a flat surface formed on the cutting tongues.
8. The rear subframe according to any one of claims 1 to 7 wherein: each longitudinal beam (1) is formed by fixedly connecting an upper longitudinal beam plate (103) and a lower longitudinal beam plate (104) in a buckling manner.
9. The rear subframe of claim 8 wherein: the rear end of the longitudinal beam upper plate (103) is arranged in a protruding mode relative to the longitudinal beam lower plate (104), and a rear suspension lifting positioning hole (8) is formed in the protruding position of the longitudinal beam upper plate (103).
10. A vehicle, characterized in that: the vehicle is provided with a rear sub-frame as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020196438.2U CN211731559U (en) | 2020-02-21 | 2020-02-21 | Rear auxiliary frame and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020196438.2U CN211731559U (en) | 2020-02-21 | 2020-02-21 | Rear auxiliary frame and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211731559U true CN211731559U (en) | 2020-10-23 |
Family
ID=72876794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020196438.2U Active CN211731559U (en) | 2020-02-21 | 2020-02-21 | Rear auxiliary frame and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211731559U (en) |
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2020
- 2020-02-21 CN CN202020196438.2U patent/CN211731559U/en active Active
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