CN203713467U - Back torsion beam assembly of automobile and automobile - Google Patents
Back torsion beam assembly of automobile and automobile Download PDFInfo
- Publication number
- CN203713467U CN203713467U CN201420077478.XU CN201420077478U CN203713467U CN 203713467 U CN203713467 U CN 203713467U CN 201420077478 U CN201420077478 U CN 201420077478U CN 203713467 U CN203713467 U CN 203713467U
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- Prior art keywords
- beam assembly
- plate
- torsion beam
- trailing arm
- crossbeam
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Abstract
The utility model discloses a back torsion beam assembly of an automobile. The back torsion beam assembly of the automobile comprises a cross beam (11), trailing arms (12) and spring pallets (13), wherein each trailing arm (12) comprises a steel plate winding drum with a winding gap and a weld joint (121) which is located in the winding gap and used for connecting two opposite sides of the steel plate winding drum. Each steel plate winding drum is made of steel plates through a winding procedure, the winding gap is formed between the two opposite sides of the steel plate winding drum after the winding is finished, then the steel plate winding drum is welded, a molten pool is formed in the winding gap during welding, and the weld joint is formed, so that the trailing arm is processed into a circumferentially closed cylindrical structure. Obviously, the trailing arms formed by the steel plate winding drums in the back torsion beam assembly have more uniform material crystalline phases, further, the yield strength of the trailing arms is higher, and the strength of the back torsion beam assembly is higher. The utility model further discloses the automobile.
Description
Technical field
The utility model relates to automotive suspension technical field, relates in particular to a kind of rear torsion beam assembly of automobile.The utility model also relates to a kind of automobile.
Background technology
Automotive suspension is the general name of the power transmission connecting device between vehicle frame (or self-supporting body) and vehicle bridge (or wheel), its Main Function is to alleviate the live load being transmitted by uneven road surface, ride comfort during with assurance running car, power (vertical power, longitudinal force and transverse force) and the torque (braking torque and reactive torque) of transfer function between wheel and vehicle frame (or vehicle body) simultaneously.
The critical component that the rear torsion beam assembly of automobile is torsion beam suspension system, it is mainly used in the bob of the left and right wheel of balance, keeps vehicle steady, and meanwhile, rear torsion beam total cost is held the effect of tool stabilizer rod, can improve the roll rate of vehicle.Traditional rear torsion beam assembly is mainly comprised of trailing arm, crossbeam, spring tray, hub support, shock absorber installing bracket, sleeve pipe and lining, and the connection mode between each parts generally adopts welding.Yet above-mentioned trailing arm is generally processed through cold roll forming by solid drawn pipe, and the material crystalline phase of solid drawn pipe is inhomogeneous, and its yield strength is less, causes the intensity of rear torsion beam assembly poor.
In addition, in above-mentioned rear torsion beam assembly, also there is following defect: crossbeam is by sheet metal component punch forming, and its torsional stiffness is relatively little; Spring tray also adopts sheet metal component punch forming, and it is welded and fixed after splicing with trailing arm and crossbeam, and the undercapacity after three connects, makes the bulk strength of spring tray poor.
Utility model content
The purpose of this utility model is to provide a kind of rear torsion beam assembly of automobile, and the intensity of this rear torsion beam assembly is higher.Another object of the present utility model is to provide a kind of automobile that comprises above-mentioned rear torsion beam assembly.
To achieve these goals, the utility model provides following technical scheme:
A rear torsion beam assembly for automobile, comprises crossbeam, trailing arm and spring tray, described trailing arm comprise have roll the steel plate reel in gap and be positioned at described in roll gap, to connect the weld seam of the relative dual-side of described steel plate reel.
Preferably, in above-mentioned rear torsion beam assembly, described weld seam side relative with described crossbeam on described trailing arm.
Preferably, in above-mentioned rear torsion beam assembly, the line of centers of described weld seam is arranged in the axial plane of described trailing arm.
Preferably, in above-mentioned rear torsion beam assembly, the bending segment of described trailing arm is provided with trailing arm brace panel, and the side away from described crossbeam on the inside face of described trailing arm brace panel and the outside face of described trailing arm is fitted.
Preferably, in above-mentioned rear torsion beam assembly, described crossbeam comprise the first plate, become with described the first plate the second plate that predetermined angle is connected and be connected in described the first plate and described the second plate between bending plate, on described spring tray, there is the reinforcement protuberance of fitting with the outside face of described bending plate, described reinforcement protuberance and described beam welding.
Preferably, in above-mentioned rear torsion beam assembly, also comprise crossbeam brace panel, the second side that there is the first side that fixes with described trailing arm on described crossbeam brace panel, fixes with described the first plate and with fixing the 3rd side of described the second plate, described second side and described the 3rd side all from described first side to the junction inclination of described the first plate and described the second plate.
Preferably, in above-mentioned rear torsion beam assembly, between described the first plate and described the second plate, be provided with torsion bar, two described trailing arms of described crossbeam both sides are passed respectively at the two ends of described torsion bar, and described torsion bar is connected with described the second plate with described the first plate by resonance piece, on described crossbeam brace panel, there is the hole of passing through of passing for described torsion bar.
Preferably, in above-mentioned rear torsion beam assembly, described torsion bar is hollow stem.
An automobile, comprises rear torsion beam assembly, and described rear torsion beam assembly is the rear torsion beam assembly described in above-mentioned any one.
In technique scheme, the utility model provides a kind of rear torsion beam assembly of automobile, it comprises crossbeam, trailing arm and spring tray, and trailing arm comprises having to roll the steel plate reel in gap and be positioned at and roll gap, with the weld seam of the relative dual-side of junction steel plate reel.Above-mentioned steel plate reel is processed through rolling operation by steel plate, after having rolled, between the relative dual-side of steel plate reel, form and roll gap, then steel plate reel is welded, during welding, will in rolling gap, form molten bath, and then formation weld seam, with this, trailing arm is processed as to the tubular structure of circumferential sealing.Obviously, than the content of introducing in background technology, in the rear torsion beam assembly that the utility model provides, the trailing arm that roll of steel plate cylinder forms has more uniform material crystalline phase, and its yield strength is larger, and the intensity of rear torsion beam assembly is higher.
Because above-mentioned rear torsion beam assembly has above-mentioned technique effect, the automobile that comprises this rear torsion beam assembly also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the utility model, for those of ordinary skills, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the rear torsion beam assembly that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the back view of rear torsion beam assembly shown in Fig. 1;
Fig. 3 be shown in Fig. 1 after the A-A of torsion beam assembly to cutaway view;
The structural representation of the trailing arm that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the front elevation of trailing arm shown in Fig. 4;
The structural representation of the trailing arm brace panel that Fig. 6 provides for the utility model embodiment;
Fig. 7 is that the B of trailing arm brace panel shown in Fig. 6 is to view;
Fig. 8 is that the C of trailing arm brace panel shown in Fig. 6 is to view.
Description of reference numerals:
11-crossbeam, 12-trailing arm, 121-weld seam, 13-spring tray, 14-hub support, 15-mounting bracket of shock absorber, 16-braking wire drawing support, 17-sleeve pipe, 18-lining, 19-trailing arm brace panel, 20-crossbeam brace panel, 21-stops up, 22-torsion bar, 23-resonance piece.
The specific embodiment
Core of the present utility model is to provide a kind of rear torsion beam assembly of automobile, and the intensity of this rear torsion beam assembly is higher.Another core of the present utility model is to provide a kind of automobile that comprises above-mentioned rear torsion beam assembly.
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is further detailed.
The rear torsion beam assembly of the automobile that as shown in Figure 1-2, the utility model embodiment provides comprises crossbeam 11, trailing arm 12, spring tray 13, hub support 14, mounting bracket of shock absorber 15, braking wire drawing support 16, sleeve pipe 17 and lining 18; Crossbeam 11 is by metal plate punching aftershaping, and its both sides all connect trailing arm 12, and one end of trailing arm 12 connects hub support 14, other end connector bushing 17, and this trailing arm 12 is tubular structure, it can adopt solid drawn pipe to process; Spring tray 13 is connected on crossbeam 11 and trailing arm 12, and it is for supporting the spring of buffering use, and this spring tray 13 welds after can splicing with crossbeam 11 and trailing arm 12; Hub support 14 and the rear welding of trailing arm 12 overlap joint, it,, for connecting rear torsion beam assembly and wheel, has the end face matching with wheel on it; Mounting bracket of shock absorber 15 is for bumper being installed on to rear torsion beam assembly, and it can overlap and weld with spring tray 13 and hub support 14; Braking wire drawing support 16 can be welded on crossbeam 11; Sleeve pipe 17 can overlap and weld with trailing arm 12, press-fits lining 18 in it, lining 18 and sleeve pipe 17 interference fit.It should be noted that, in above-mentioned each parts, remove crossbeam 11, other parts are all set to two groups about the cross-sectional plane of crossbeam 11, innovative approach as herein described can only be carried out for the structure of crossbeam 11 1 sides, also can carry out for the structure of crossbeam 11 both sides simultaneously.
One of key improvements of the present utility model is, trailing arm 12 comprises having to roll the steel plate reel in gap and be positioned at and roll gap, with the weld seam 121 of the relative dual-side of junction steel plate reel.Above-mentioned steel plate reel is processed through rolling operation by steel plate, after having rolled, between the relative dual-side of steel plate reel, form and roll gap, then steel plate reel is welded, during welding, will in rolling gap, form molten bath, and then form weld seam 121, with this, trailing arm 12 is processed as to the tubular structure of circumferential sealing.Certainly, the trailing arm 12 after welding also needs to carry out clod wash operation, so that the shape of trailing arm 12 meets structural requirement.Obviously, than the content of introducing in background technology, in the rear torsion beam assembly that the utility model provides, the trailing arm 12 that roll of steel plate cylinder forms has more uniform material crystalline phase, and its yield strength is larger, and the intensity of rear torsion beam assembly is higher.
While connecting trailing arm 12 with crossbeam 11, the position of weld seam 121 can arrange arbitrarily, but because the side being connected with crossbeam 11 on trailing arm 12 is stressed smaller, the utility model embodiment is when installing trailing arm 12, the position of weld seam 121 is adjusted to a side relative with crossbeam 11 on trailing arm 12, make stressed less when the work of rear torsion beam assembly of weld seam 121, and then extend the service life of this rear torsion beam assembly.Further, the line of centers of weld seam 121 is arranged on the axial plane (being the residing plane in axis of trailing arm 12) of trailing arm 12, so that processing trailing arm 12.
As shown in Figure 3, in a kind of specific embodiment, crossbeam 11 is roughly V-shaped, it comprise the first plate, become with the first plate the second plate that predetermined angle is connected and be connected in the first plate and the second plate between bending plate, on spring tray 13, there is the reinforcement protuberance of fitting with the outside face of bending plate, this reinforcement protuberance can be arcuate structure, and itself and crossbeam 11 weld.Spring fitting on spring tray 13 after, the application force acting on spring will be born by spring tray 13, because spring tray 13 is generally inclined relative to horizontal setting, therefore above-mentioned application force has the component that pulls spring tray 13, and this component may cause the disengaging of spring tray 13 and crossbeam 11; Above-mentioned reinforcement protuberance is for the connection between spring tray 13 and crossbeam 11 provides additional detent mechanism, this detent mechanism can overcome the pulling force between spring tray 13 and crossbeam 11, make crossbeam 11 to provide larger support strength to spring tray 13, be not easy separation between the two, and then after guaranteeing, torsion beam assembly is worked more reliably.
In view of crossbeam 11 has said structure, in order to improve the intensity of crossbeam 11 own, as shown in Figure 2, in the rear torsion beam assembly that the utility model embodiment provides, also comprise crossbeam brace panel 20, the second side that there is the first side that fixes with trailing arm 12 on this crossbeam brace panel 20, fixes with the first plate and with fixing the 3rd side of the second plate, second side and the 3rd side all from first side to the junction inclination of the first plate and the second plate.Above-mentioned crossbeam brace panel 20 is distributed in the end of crossbeam 11, and it is connected with trailing arm 12 with crossbeam 11 simultaneously, with this, when improving the intensity of crossbeam 11 own, improves the Joint strenght of crossbeam 11 and trailing arm 12; And crossbeam brace panel 20 extends to the opposite side of crossbeam 11 from a side of crossbeam 11, make the booster action of 20 pairs of crossbeams 11 of crossbeam brace panel there is larger protection face, crossbeam 11 stressed more even, torsional property during crossbeam 11 work is stronger.
Further, between above-mentioned the first plate and the second plate, be provided with torsion bar 22, this torsion bar 22 can be made by alloy steel material, two trailing arms 12 of crossbeam 11 both sides are passed respectively at its two ends, and torsion bar 22 is connected with the second plate with the first plate by resonance piece 23, on crossbeam brace panel 20, there is the hole of passing through of passing for torsion bar 22.Under this kind of structure, crossbeam 11 is connected two trailing arms 12 jointly with torsion bar 22, and the Joint strenght of whole rear torsion beam assembly is higher, improves the anti-torsional strength of whole rear torsion beam assembly simultaneously, for vehicle provides higher roll rate.Further, based on said structure, torsion bar 22 can be set to hollow stem, the opening part at torsion bar 22 two ends can arrange and stop up 21.Torsion bar 22 is set to hollow stem can be after raising in torsion beam assembly Joint strenght, the tooling cost of torsion beam assembly after reducing.Alternatively, resonance piece 23 can be connected in the middle part of crossbeam 11, i.e. the midway location place of torsion bar 22.
As shown in Fig. 6-8, in the rear torsion beam assembly that the utility model embodiment provides, the bending segment of trailing arm 12 is provided with trailing arm brace panel 19, and the side away from crossbeam 11 on the outside face of the inside face of this trailing arm brace panel 19 and trailing arm 12 is fitted.Because the bending segment of trailing arm 12 is strength weak district, and on this bending segment away from a side of crossbeam 11 stressed larger when the rear torsion beam assembly work, trailing arm brace panel 19 can improve the intensity of trailing arm 12, makes trailing arm 12 not be prone at work the situations such as crackle even ruptures.
Because above-mentioned rear torsion beam assembly has above-mentioned technique effect, the automobile that comprises this rear torsion beam assembly also should have corresponding technique effect, repeats no more herein.
Only by the mode of explanation, some one exemplary embodiment of the present utility model has been described above, undoubtedly, for those of ordinary skill in the art, in the situation that not departing from spirit and scope of the present utility model, can to described embodiment, revise by various mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claim protection domain.
Claims (9)
1. the rear torsion beam assembly of an automobile, comprise crossbeam (11), trailing arm (12) and spring tray (13), it is characterized in that, described trailing arm (12) comprise have roll the steel plate reel in gap and be positioned at described in roll gap, to connect the weld seam (121) of the relative dual-side of described steel plate reel.
2. rear torsion beam assembly according to claim 1, is characterized in that, described weld seam (121) is in the upper side relative with described crossbeam (11) of described trailing arm (12).
3. rear torsion beam assembly according to claim 2, is characterized in that, the line of centers of described weld seam (121) is arranged in the axial plane of described trailing arm (12).
4. rear torsion beam assembly according to claim 1, it is characterized in that, the bending segment of described trailing arm (12) is provided with trailing arm brace panel (19), and the side away from described crossbeam (11) on the outside face of the inside face of described trailing arm brace panel (19) and described trailing arm (12) is fitted.
5. according to the rear torsion beam assembly described in any one in claim 1-4, it is characterized in that, described crossbeam (11) comprise the first plate, become with described the first plate the second plate that predetermined angle is connected and be connected in described the first plate and described the second plate between bending plate, on described spring tray (13), there is the reinforcement protuberance of fitting with the outside face of described bending plate, described reinforcement protuberance and described crossbeam (11) welding.
6. rear torsion beam assembly according to claim 5, it is characterized in that, also comprise crossbeam brace panel (20), the second side that there is the first side that fixes with described trailing arm (12) on described crossbeam brace panel (20), fixes with described the first plate and with fixing the 3rd side of described the second plate, described second side and described the 3rd side all from described first side to the junction inclination of described the first plate and described the second plate.
7. rear torsion beam assembly according to claim 6, it is characterized in that, between described the first plate and described the second plate, be provided with torsion bar (22), two described trailing arms (12) of described crossbeam (11) both sides are passed respectively at the two ends of described torsion bar (22), and described torsion bar (22) is connected with described the second plate with described the first plate by resonance piece (23), on described crossbeam brace panel (20), there is the hole of passing through of passing for described torsion bar (22).
8. rear torsion beam assembly according to claim 7, is characterized in that, described torsion bar (22) is hollow stem.
9. an automobile, comprises rear torsion beam assembly, it is characterized in that, described rear torsion beam assembly is the rear torsion beam assembly described in any one in the claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077478.XU CN203713467U (en) | 2014-02-21 | 2014-02-21 | Back torsion beam assembly of automobile and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077478.XU CN203713467U (en) | 2014-02-21 | 2014-02-21 | Back torsion beam assembly of automobile and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713467U true CN203713467U (en) | 2014-07-16 |
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ID=51152656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077478.XU Expired - Fee Related CN203713467U (en) | 2014-02-21 | 2014-02-21 | Back torsion beam assembly of automobile and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228505A (en) * | 2014-09-16 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Longitudinal arm of torsion beam suspension frame and torsion beam suspension frame |
| CN111619302A (en) * | 2020-06-01 | 2020-09-04 | 奇瑞汽车股份有限公司 | Torsion beam structure of automobile |
-
2014
- 2014-02-21 CN CN201420077478.XU patent/CN203713467U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228505A (en) * | 2014-09-16 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Longitudinal arm of torsion beam suspension frame and torsion beam suspension frame |
| CN111619302A (en) * | 2020-06-01 | 2020-09-04 | 奇瑞汽车股份有限公司 | Torsion beam structure of automobile |
| CN111619302B (en) * | 2020-06-01 | 2022-06-10 | 奇瑞汽车股份有限公司 | Torsion beam structure of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |