CN207712150U - Lightweight structure of front auxiliary frame - Google Patents
Lightweight structure of front auxiliary frame Download PDFInfo
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- CN207712150U CN207712150U CN201721791225.9U CN201721791225U CN207712150U CN 207712150 U CN207712150 U CN 207712150U CN 201721791225 U CN201721791225 U CN 201721791225U CN 207712150 U CN207712150 U CN 207712150U
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- upper plate
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Abstract
The utility model is related to a kind of lightweight structure of front auxiliary frame, belong to the technical field of Automobile Design and Manufacturing.The lightweight structure of front auxiliary frame of the utility model, the structure of front auxiliary frame main body only includes beam welding assembly, left side beam welding assembly, the right beam welding assembly three parts, it views from above total integral in concave character type, left and right sides is respectively bolted using 3 points with chassis runner, keep component count less under the conditions of ensureing Constrained mode, structure is simpler, and mold and material cost are lower.
Description
Technical field
The utility model is related to the technical fields of Automobile Design and Manufacturing, and more specifically, the utility model is related to one kind
Lightweight structure of front auxiliary frame.
Background technology
Fig. 1 shows that A0 and A grades of passenger cars in the prior art often use structure of front auxiliary frame (ingot beam, butterfly pair vehicle
Frame), subframe main body is viewed from above in I-shaped, upper and lower plate fastening welding, one larger cavity of formation, and front curved boom uses
Tubing or metal plate fasten welding structure, are welded respectively with upper and lower plates after being inserted into subframe welding main body.It is in the prior art this
There are following technical problems for structure of front auxiliary frame：
1) crossbeam is upper and lower plates fastening structure, and the developed area of plate is larger, therefore die cost is high, and blanking area compares
Greatly, plate leftover pieces generate more, reduce utilization rate；
2) section of beam is wider, is unfavorable for electronic vehicle and hybrid electric vehicle arranges electronic rack-and-pinion assisted steering system (R-
EPS) and double pinion electric booster steering device (DP-EPS) needs pair in addition to arrange traditional combustion engine vehicle gas exhaust piping
Vehicle frame locally avoids, and inside generally requires increase reinforcing plate, makes structure more complexity and increases weight.
Utility model content
In order to solve above-mentioned technical problem in the prior art, before a kind of lightweight
Auxiliary frame structure.
A kind of lightweight structure of front auxiliary frame, including beam welding assembly, left side beam welding assembly and right side bar welding are total
The both sides of the beam welding assembly are symmetrically welded at, the left side beam welding assembly and the right beam welding assembly, it is special
Sign is：The agent structure of the beam welding assembly is formed by upper plate and lower plate soldering, and the left side beam welding assembly
It is formed by upper plate and lower plate soldering with the agent structure of the right beam welding assembly.
Wherein, the beam welding assembly includes pacifying before crossbeam upper plate, crossbeam lower plate, crossbeam upper outer end casing, swing arm
Fill screwed pipe, steering gear installation screwed pipe, swing arm front lining mounting assist support and reinforcing plate；The crossbeam upper plate is in width side
To both sides bend downward and to form flange and the crossbeam upper plate is made to form the slot formed by the flange of top panel and both sides
Type structure；The crossbeam lower plate is that plate stamping presses bending structure, and crossbeam lower plate is stamped and formed out curved upwards at the both ends of length direction
End is rolled over, the crossbeam upper plate is stamped and formed out and the matched bending end of crossbeam lower plate upwards at the both ends of length direction；Institute
Crossbeam lower plate is stated to be fastened in the trench structure of the crossbeam upper plate and weld；The crossbeam upper outer end casing is arranged described
Between crossbeam upper plate and the bending end of crossbeam lower plate, the centre bore of the crossbeam upper outer end casing is curved with the crossbeam upper plate
Setting through-hole on the plate of folding the upper surface of end, the crossbeam lower plate bending end on the through-hole that is arranged it is coaxial, and the crossbeam top
The upper surface and lower face of the outer tube inner wall and crossbeam lower plate with the upper surface of the bending end of crossbeam upper plate plate respectively
Bending end inner wall be bonded and weld；Two of bending end that screwed pipe is arranged in the crossbeam upper plate are installed to turn over before the swing arm
Between side, the cross rail outer flange is formed with round platform, and there is through-hole at round platform center；And through-hole is provided on interior side flanging, it is described
The front end face that screwed pipe is installed before swing arm is bonded with the round platform and boxing；The rear end face that screwed pipe is installed before the swing arm passes through
The outer wall boxing of through-hole and interior side flanging；The through-hole that the centre bore and the outer side flanging of screwed pipe are installed before the swing arm is same
Axis；The swing arm front lining mounting assist support is welded in the outside wall surface of the outer side flanging, and the swing arm front lining
The through-hole of via and the outer side flanging on mounting assist support is coaxial；It is welded with reinforcement below the mounting assist support
Plate, the outside wall surface overlap joint welding at the edge of the reinforcing plate and the outer side flanging；The upper surface of crossbeam upper plate plate is adjacent to institute
It states and is provided with through-hole at bending end, it is tapped in steering gear installation screwed pipe, the hole of the screwed pipe in through-hole；The spiral shell
The outer wall of the upper surface of the flange face of line pipe and crossbeam upper plate plate is bonded boxing；The lower end of the screwed pipe passes through crossbeam lower plate
Hole the crossbeam lower plate outer wall surface boxing.
Wherein, crossbeam upper plate is symmetrically formed bending end at the both ends of length direction；The crossbeam lower plate is in length direction
Both ends be symmetrically formed bending end；And screwed pipe is installed, spiral shell is installed in steering gear before the crossbeam upper outer end casing, swing arm
Line pipe and swing arm front lining mounting assist support are symmetrically disposed in the left and right sides of the beam welding assembly.
Wherein, under the upper surface of bending end of the crossbeam upper outer end casing and crossbeam upper plate plate and the crossbeam
Plate is mutually perpendicular to below the bending end of plate.
Wherein, screwed pipe is installed to be mutually perpendicular to the round table surface on the outer side flanging of the crossbeam upper plate before the swing arm.
Wherein, the left side beam welding assembly and the right beam welding assembly are welded on the outer of side flanging in the crossbeam upper plate
On wall.
Wherein, multiple lightening holes are offered in the crossbeam lower plate.
Wherein, the left side beam welding assembly is formed by left side beam upper plate and left side beam lower plate soldering；On the left side beam
Setting is there are two intermediate casing between plate and the middle part of left side beam lower plate, the top and bottom of the intermediate casing respectively with it is described
Left side beam upper plate and the fitting of the inner wall of left side beam lower plate and boxing at one end；And in the left side beam upper plate and left side beam lower plate
On offer coaxial with the centre bore of intermediate casing swing arm back bush holder installation via；The left side beam upper plate and a left side
Setting is there are two aft end sleeve between the rear end of side bar lower plate, the top and bottom of the intermediate casing respectively with the left side beam
Upper plate and the fitting of the inner wall of left side beam lower plate and boxing at one end；And it is opened up on the left side beam upper plate and left side beam lower plate
There is the subframe mounting hole coaxial with the centre bore of the intermediate casing.
Wherein, the right beam welding assembly structure and left side beam welding assembly are symmetrical, but bosom casing is accordingly left
It is right general.
The lightweight structure of front auxiliary frame of the utility model has the advantages that：
The lightweight structure of front auxiliary frame main body only three parts of the utility model, it is in concave character type to view from above always integral,
Left and right sides is respectively bolted using 3 points with chassis runner, keeps component count less under the conditions of ensureing Constrained mode, structure is more
Simply, mold and material cost are lower.
Description of the drawings
Fig. 1 is that A0 and A grades of passenger cars of the prior art often use the structural schematic diagram of structure of front auxiliary frame.
Fig. 2 is the disassemblying structure schematic diagram (front) of the lightweight structure of front auxiliary frame of embodiment 1.
Fig. 3 is the disassemblying structure schematic diagram (back side) of the lightweight structure of front auxiliary frame of embodiment 1.
Fig. 4 is the assembling structure schematic diagram (front) of the lightweight structure of front auxiliary frame of embodiment 1.
Fig. 5 is the assembling structure schematic diagram (back side) of the lightweight structure of front auxiliary frame of embodiment 1.
Fig. 6 is the welded section schematic diagram (first view) of side bar inner sleeve.
Fig. 7 is the welded section schematic diagram (the second view) of crossbeam inner sleeve.
Fig. 8 is the assembling structure schematic diagram of lightweight structure of front auxiliary frame and bottom arm bush after-poppet, stable bar cramp.
Specific implementation mode
Lightweight structure of front auxiliary frame described in the utility model is further explained below with reference to specific embodiment
It states, to help those skilled in the art to the design of the utility model of the utility model, that technical solution has is more complete, accurate and deep
The understanding entered.
Embodiment 1
The lightweight structure of front auxiliary frame of the present embodiment, including beam welding assembly 1000, left side beam welding assembly 2000
With the right beam welding assembly 3000, wherein the left side beam welding assembly 2000 and the right beam welding assembly are symmetrically welded on institute
State the both sides of beam welding assembly 1000.
As illustrated in figs. 2-7, the beam welding assembly 1000 includes upper plate 1100, lower plate 1200, crossbeam upper outer end set
Screwed pipe 1300, steering gear installation screwed pipe 1500,1600 and of swing arm front lining mounting assist support are installed before pipe 1400, swing arm
Reinforcing plate 1700.The upper plate 1100 bends downward to form flange in the both sides of width direction, and the whole upper plate 1100 is in slot
Type structure；Lower plate 1200 is that plate stamping presses bending structure, lower plate 1200 to be stamped and formed out bending end upwards at the both ends of length direction,
And the upper plate 1100 is stamped and formed out and the matched bending end of the lower plate upwards at the both ends of length direction；The lower plate
Between plate 1100 and the bending end of lower plate 1200, and the centre bore of the crossbeam upper outer end casing 1400 and the upper plate
The through-hole 1210 being arranged on the bending end of the through-hole 1110, the lower plate 1200 that are arranged on 1100 bending end is coaxial, end face
1411, it 1412 is bonded with lower face 1112, upper face 1212 respectively, and locally welds.Screwed pipe 1300 is installed to set before the swing arm
It sets between two flange of the bending end of the upper plate 1100, in the centre bore 1320 that screwed pipe 1300 is installed before the swing arm
It is tapped, and 1100 one of flange of upper plate is formed with round platform 1122, centrally disposed through-hole 1120；And upper plate 1100 is another
Through-hole 1130 is provided on one flange, the front end face 1322 that screwed pipe 1300 is installed before the swing arm is bonded with round table surface 1122
And boxing；1300 rear end of casing passes through through-hole 1130 and the outer wall boxing with another flange；The centre bore 1320 with it is described
Through-hole 1120 is coaxial.The swing arm front lining mounting assist support 1600 is welded in the outside wall surface 1121 near through-hole 1120,
And the via 1620 and through-hole 1120 on swing arm front lining mounting assist support 1600 are coaxial；Welding below mounting assist support
There are reinforcing plate 1700, edge and 1121 overlap joint welding of outside wall surface of the reinforcing plate 1700.1100 upper surface of crossbeam upper plate
1101 are provided with through-hole 1140 at the bending end, inside wear steering gear installation screwed pipe 1500, the hole 1540 of screwed pipe 1500
It is interior tapped；The flange face 1501 of screwed pipe 1500 is bonded boxing with the upper surface 1101 of upper plate；The lower end of screwed pipe 1500
Across the hole of lower plate 1,200 1240 lower plate outer wall surface boxing.
By taking left side beam welding assembly 2000 as an example, left side beam welding assembly 2000 is by upper plate 2100,2200 soldering structure of lower plate
At.Upper and lower plate hole 2110,2120,2210,2220 is that swing arm back bush holder installs via, is provided between upper plate and lower plate
Two identical casings 2300, casing upper and lower end face 2303,2305 are bonded with upper and lower plates inner surface 2103,2205 respectively, casing
2300 lower ends and 2200 boxing of lower plate.2000 rear portion of left side beam welding assembly be subframe mounting hole 2130,2140,2230,
2240, there are two identical casing 2400,2400 lower end of casing and 2200 rings of lower plate for setting between upper and lower plates inner surface 2104,2205
Weldering.Right side bar welding total 3000 is bilateral symmetry with left side beam welding assembly 2000.
Aluminium alloy or plank and tubing welding structure can be used in bush of swing arm after-poppet, as shown in figure 8, back bush bracket clamp
On left side beam welding assembly outer surface 2101,2206, stabilizer bar bushing clip can be installed thereon, shared mounting hole 2110,
2120,2210,2220, it is connected using bolt and nut.
The structure of front auxiliary frame component count of the present embodiment is few, and main body is divided into beam welding assembly, left side beam welding assembly
And the right beam welding assembly three parts, in addition installation point left and right sides is respectively welded with mounting assist support before the swing arm of beam welding assembly
And lower part reinforcing plate.Subframe welding assembly is in integrally concave character type, left and right sides respectively use at 3 points and chassis runner be bolted with
Ensure that Constrained mode is met the requirements.Can be that electric booster steering device and exhaust are reserved more since subframe does not have rear cross
Big arrangement space.New auxiliary frame structure is simpler, can mitigate weight and reduce mold and material cost.The structure of the present embodiment
It is simpler to greatly simplify the new auxiliary frame structure of butterfly, weight can be mitigated and reduce mold and material cost.The knot of the present embodiment
Structure greatlies simplify butterfly-type structure of front auxiliary frame, mitigates weight and cost, can be adapted for Future Development A0 and A grades of cars,
The vehicles platform such as SUV.
For the ordinary skill in the art, specific embodiment has only carried out exemplary retouch to the utility model
It states, it is clear that the utility model specific implementation is not subject to the restrictions described above, as long as using the methodology of the utility model
The improvement of the various unsubstantialities carried out with technical solution, or it is not improved that the design of the utility model and technical solution is direct
Applied to other occasions, it both is within the protection scope of the present invention.
Claims (10)
1. a kind of lightweight structure of front auxiliary frame, including beam welding assembly, left side beam welding assembly and the right beam welding assembly,
The left side beam welding assembly and the right beam welding assembly are symmetrically welded on the both sides of the beam welding assembly, and feature exists
In：The agent structure of the beam welding assembly is formed by upper plate and lower plate soldering, and the left side beam welding assembly and the right side
The agent structure of side bar welding assembly is formed by upper plate and lower plate soldering.
2. lightweight structure of front auxiliary frame according to claim 1, it is characterised in that：The beam welding assembly includes cross
Screwed pipe, steering gear installation screwed pipe, swing arm front lining are installed before beam upper plate, crossbeam lower plate, crossbeam upper outer end casing, swing arm
Mounting assist support and reinforcing plate；The crossbeam upper plate bends downward to form flange and so that the cross in the both sides of width direction
Beam upper plate forms the trench structure formed by the flange of top panel and both sides；The crossbeam lower plate is plate stamping backfin kinking
Structure, crossbeam lower plate are stamped and formed out bending end upwards at the both ends of length direction, the crossbeam upper plate the both ends of length direction to
On be stamped and formed out and the matched bending end of crossbeam lower plate；The crossbeam lower plate is fastened on the groove profile knot of the crossbeam upper plate
In structure and weld；The crossbeam upper outer end casing is arranged between the crossbeam upper plate and the bending end of crossbeam lower plate, described
Setting through-hole, the crossbeam lower plate on the upper surface of the centre bore of crossbeam upper outer end casing and the bending end of the crossbeam upper plate plate
Bending end on the through-hole that is arranged it is coaxial, and the upper surface of crossbeam top outer tube and lower face respectively with the cross
The inner wall of the upper surface of the bending end of beam upper plate plate and the bending end inner wall of crossbeam lower plate are bonded and weld；It is installed before the swing arm
Screwed pipe is arranged between two flange of the bending end of the crossbeam upper plate, and the cross rail outer flange is formed with round platform, circle
There is through-hole at platform center；And through-hole is provided on interior side flanging, the front end face and the round platform that screwed pipe is installed before the swing arm paste
Merge boxing；The rear end face that screwed pipe is installed before the swing arm passes through the outer wall boxing of through-hole and interior side flanging；Before the swing arm
The through-hole for installing the centre bore and the outer side flanging of screwed pipe is coaxial；The swing arm front lining mounting assist support is welded on institute
In the outside wall surface for stating outer side flanging, and the via on the swing arm front lining mounting assist support and the outer side flanging is logical
Hole is coaxial；It is welded with reinforcing plate, the outer wall at the edge of the reinforcing plate and the outer side flanging below the mounting assist support
Face overlap joint welding；The upper surface of crossbeam upper plate plate is provided with through-hole at the bending end, passes through steering gear to install in through-hole
Screwed pipe, it is tapped in the hole of the screwed pipe；Outside the upper surface of the flange face of the screwed pipe and the crossbeam upper plate plate
Wall is bonded boxing；The lower end of the screwed pipe passes through the hole of crossbeam lower plate in the outer wall surface boxing of the crossbeam lower plate.
3. lightweight structure of front auxiliary frame according to claim 2, it is characterised in that：Crossbeam upper plate in length direction two
End is symmetrically formed bending end；The crossbeam lower plate is symmetrically formed bending end at the both ends of length direction.
4. lightweight structure of front auxiliary frame according to claim 3, it is characterised in that：The crossbeam upper outer end casing,
Screwed pipe, steering gear installation screwed pipe and swing arm front lining mounting assist support are installed before swing arm and reinforcing plate is symmetrically arranged
In the left and right sides of the beam welding assembly.
5. lightweight structure of front auxiliary frame according to claim 2, it is characterised in that：The crossbeam upper outer end casing with
Plate is mutually perpendicular to below the upper surface of the bending end of crossbeam upper plate plate and the bending end of the crossbeam lower plate.
6. lightweight structure of front auxiliary frame according to claim 2, it is characterised in that：Before the swing arm install screwed pipe with
Round table surface on the outer side flanging of the crossbeam upper plate is mutually perpendicular to.
7. lightweight structure of front auxiliary frame according to claim 2, it is characterised in that：The left side beam welding assembly and the right side
Side bar welding assembly is welded in the crossbeam upper plate on the outer wall of side flanging.
8. lightweight structure of front auxiliary frame according to claim 2, it is characterised in that：It is offered in the crossbeam lower plate more
A lightening hole.
9. lightweight structure of front auxiliary frame according to claim 5, it is characterised in that：The left side beam welding assembly is by a left side
Side bar upper plate and left side beam lower plate soldering form；Setting is there are two between the left side beam upper plate and the middle part of left side beam lower plate
Between casing, the top and bottom of the intermediate casing be bonded respectively with the inner wall of the left side beam upper plate and left side beam lower plate and
One end boxing；And it is offered on the left side beam upper plate and left side beam lower plate coaxial with the centre bore of the intermediate casing
Swing arm back bush holder installs via；There are two rear end caps for setting between the left side beam upper plate and the rear end of left side beam lower plate
Pipe, the top and bottom of the intermediate casing are bonded with the inner wall of the left side beam upper plate and left side beam lower plate and at one end respectively
Boxing；And offer the secondary vehicle coaxial with the centre bore of the intermediate casing on the left side beam upper plate and left side beam lower plate
Frame mounting hole.
10. lightweight structure of front auxiliary frame according to claim 9, it is characterised in that：The right beam welding assembly by
The right beam upper plate and the right beam lower plate soldering form；The right beam upper plate and the right beam lower plate respectively with left side beam upper plate and a left side
Side bar lower plate is symmetrical, and the casing that centre is respectively set is then left-right universal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791225.9U CN207712150U (en) | 2017-12-15 | 2017-12-15 | Lightweight structure of front auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791225.9U CN207712150U (en) | 2017-12-15 | 2017-12-15 | Lightweight structure of front auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207712150U true CN207712150U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721791225.9U Active CN207712150U (en) | 2017-12-15 | 2017-12-15 | Lightweight structure of front auxiliary frame |
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| CN (1) | CN207712150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985411A (en) * | 2017-12-15 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Lightweight structure of front auxiliary frame |
-
2017
- 2017-12-15 CN CN201721791225.9U patent/CN207712150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985411A (en) * | 2017-12-15 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Lightweight structure of front auxiliary frame |
| CN107985411B (en) * | 2017-12-15 | 2024-03-08 | 阿尔特汽车技术股份有限公司 | Light front auxiliary frame structure |
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