CN210082855U - Torsion beam suspension and vehicle - Google Patents
Torsion beam suspension and vehicle Download PDFInfo
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- CN210082855U CN210082855U CN201920966317.9U CN201920966317U CN210082855U CN 210082855 U CN210082855 U CN 210082855U CN 201920966317 U CN201920966317 U CN 201920966317U CN 210082855 U CN210082855 U CN 210082855U
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- torsion bar
- torsion
- shaft sleeve
- bushing
- fastening member
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Abstract
The utility model provides a torsion beam suspension and vehicle relates to vehicle engineering technical field, the utility model provides a torsion beam suspension, include: the cross beam, the shaft sleeve assembly and the torsion bar; the axle sleeve subassembly is connected with the crossbeam, and the torsion bar is inserted and is located in the axle sleeve subassembly, and the torsion bar can be dismantled with the axle sleeve subassembly and be connected, the utility model provides a torsion beam suspension has alleviated the technical problem that the torsion bar is not convenient for change among the prior art, and convenient to detach and change torsion bar are favorable to improving and operate steady smooth-going performance timing efficiency.
Description
Technical Field
The utility model belongs to the technical field of the vehicle engineering technique and specifically relates to a torsion beam suspension and vehicle is related to.
Background
Operation stability adjustment is needed before vehicle mass production, different parts need to be replaced in the adjustment process, and optimal stability and smoothness performance is achieved through part combination. For the rear suspension system, torsion bars of torsion beams with different diameters are required to be matched for adjusting the roll stiffness of the rear suspension, and the whole torsion beam is required to be replaced for replacing the torsion bars with different radial sizes, so that not only is the adjustment operation inconvenient, but also the trial-manufacturing cost of the vehicle is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a torsion beam suspension and vehicle to alleviate the technical problem that the torsion bar that exists is not convenient for change among the prior art.
In a first aspect, the present invention provides a torsion beam suspension, including: the cross beam, the shaft sleeve assembly and the torsion bar; the shaft sleeve assembly is connected with the cross beam, the torsion bar is inserted in the shaft sleeve assembly, and the torsion bar is detachably connected with the shaft sleeve assembly.
With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the bushing assembly includes: the first shaft sleeve and the second shaft sleeve are coaxial, and the cross beam is connected between the first shaft sleeve and the second shaft sleeve; the torsion bar is inserted in the first shaft sleeve and the second shaft sleeve, and a connecting piece for axially limiting the torsion bar is arranged at the end part of the torsion bar.
With reference to the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein the connecting member includes: a first fastener and a second fastener; the first fastening piece is connected to one end of the torsion bar, the second fastening piece is connected to the other end of the torsion bar, and the first shaft sleeve and the second shaft sleeve are located between the first fastening piece and the second fastening piece.
In combination with the second possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the first fastener and the second fastener are respectively in threaded fit with the torsion bar, the first fastener abuts against the first shaft sleeve, and the second fastener abuts against the second shaft sleeve.
In combination with the second possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the first fastening member and the second fastening member are both provided with a protruding portion and a groove circumferentially surrounding the protruding portion; the shaft sleeve assembly is inserted in the groove, the connecting piece is in threaded fit with the shaft sleeve assembly, and the protruding portion abuts against the torsion bar.
With reference to the first possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the first shaft sleeve and the second shaft sleeve are both configured as spline shaft sleeves.
With reference to the fifth possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the torsion bar includes: a main shaft section and a spline shaft section; the main shaft section and the spline shaft section are coaxial and integrally formed, and the spline shaft section is used for being matched with the first shaft sleeve and the second shaft sleeve respectively.
In combination with the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the cross beam is provided with a holding cavity running through along the length direction, and the torsion bar is inserted in the holding cavity.
In combination with the first possible implementation manner of the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the first longitudinal beam is connected to one end of the cross beam, the second longitudinal beam is connected to the other end of the cross beam, the first shaft sleeve is connected to the first longitudinal beam, and the second shaft sleeve is connected to the second longitudinal beam.
In a second aspect, the present invention provides a vehicle, comprising a torsion beam suspension provided by the first aspect.
The embodiment of the utility model provides a following beneficial effect has been brought: adopt axle sleeve subassembly and crossbeam to be connected, the torsion bar is inserted and is located the axle sleeve subassembly, and the mode that the torsion bar can be dismantled with the axle sleeve subassembly and be connected can be dismantled through torsion bar and axle sleeve subassembly to convenient to detach and change torsion bar are favorable to improving and operate steady ride comfort performance timing efficiency.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a torsion beam suspension according to an embodiment of the present invention;
fig. 2 is a first schematic view of a shaft sleeve assembly, a torsion bar and a connection part of a torsion beam suspension according to an embodiment of the present invention;
fig. 3 is a schematic view of a second joint of a bushing assembly, a torsion bar and a connecting member of a torsion beam suspension according to an embodiment of the present invention;
fig. 4 is a first schematic torsion bar diagram of a torsion beam suspension according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a torsion bar of a torsion beam suspension according to an embodiment of the present invention;
fig. 6 is a schematic view of a connecting member of a torsion beam suspension according to an embodiment of the present invention.
Icon: 1-a cross beam; 2-a sleeve assembly; 21-a first sleeve; 22-second shaft sleeve; 3-torsion bar; 31-a main shaft section; 32-splined shaft section; 33-a threaded shaft section; 4-a connector; 41-a first fastener; 42-a second fastener; 401-a boss; 402-grooves; 5-a first stringer; 6-second longitudinal beam.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a torsion beam suspension, including: the cross beam 1, the shaft sleeve assembly 2 and the torsion bar 3; the shaft sleeve component 2 is connected with the cross beam 1, the torsion bar 3 is inserted in the shaft sleeve component 2, and the torsion bar 3 is detachably connected with the shaft sleeve component 2.
Specifically, the torsion bar 3 is connected with the shaft sleeve assembly 2 through the shaft end bolt, and the torsion bar 3 can be drawn out along the axial direction of the shaft sleeve assembly 2 by disassembling the shaft end bolt, so that the disassembly and replacement of the torsion bar 3 are realized. Or, the torsion bar 3 and the shaft sleeve component 2 are provided with pin holes which run through along the radial direction, the torsion bar 3 is sleeved on the shaft sleeve component 2, and the pin rod is inserted into the pin holes so as to realize the detachable connection of the shaft sleeve component 2 and the torsion bar 3.
It should be noted that, the cross beam 1 and the axle sleeve assembly 2 are welded and fixed, when the torsion bar 3 is connected with the axle sleeve assembly 2 through a key or a pin, the torsion bar 3 can be used for bearing torsion force, and then the cross beam 1 is reinforced through the torsion bar 3, the rigidity of the torsion beam suspension can be adjusted by replacing the torsion bars 3 with different radial dimensions, and therefore the torsion bar 3 adaptive to the vehicle performance can be selected through adaptation.
In the embodiment of the present invention, the bushing assembly 2 includes: the beam comprises a first shaft sleeve 21 and a second shaft sleeve 22, wherein the first shaft sleeve 21 and the second shaft sleeve 22 are coaxial, and the beam 1 is connected between the first shaft sleeve 21 and the second shaft sleeve 22; the torsion bar 3 is inserted in the first shaft sleeve 21 and the second shaft sleeve 22, and the end of the torsion bar 3 is provided with a connecting piece 4 for axially limiting the torsion bar 3.
As shown in fig. 1, a first shaft sleeve 21 is fixedly connected to one end of the cross beam 1, and a second shaft sleeve 22 is fixedly connected to the other end of the cross beam 1; the torsion bar 3 is inserted into the first shaft sleeve 21 and the second shaft sleeve 22; the connecting element 4 is configured as a shaft end nut or a snap ring, and two shaft end nuts or snap rings are connected to two ends of the torsion bar 3 in a one-to-one correspondence, so that the axial position limitation of the torsion bar 3, the first shaft sleeve 21 and the second shaft sleeve 22 can be realized through the two shaft end nuts or snap rings. Alternatively, the connection member 4 is connected to the first bushing 21 and the second bushing 22, respectively, and the connection member 4 abuts against the torsion bar 3, so that the axial movement of the torsion bar 3 is restricted by the connection member 4.
Further, the connecting member 4 includes: first fastening member 41 and second fastening member 42; the first fastening member 41 is attached to one end of the torsion bar 3, the second fastening member 42 is attached to the other end of the torsion bar 3, and the first boss 21 and the second boss 22 are located between the first fastening member 41 and the second fastening member 42.
Specifically, the first fastening member 41 and the second fastening member 42 each include a shaft end nut or a snap ring, the first fastening member 41 is connected to one end of the torsion bar 3, the first fastening member 41 abuts against one side of the first bushing 21 away from the second bushing 22, the second fastening member 42 is connected to the other end of the torsion bar 3, and the second fastening member 42 abuts against one side of the second bushing 22 away from the first bushing 21; alternatively, the first fastening member 41 and the second fastening member 42 each include a cover body, the first fastening member 41 is threadedly engaged with the first bushing 21 and abuts against one end of the torsion bar 3, and the second fastening member 42 is threadedly engaged with the second bushing 22 and abuts against the other end of the torsion bar 3. The first fastening member 41 and the second fastening member 42 restrict the axial movement of the torsion bar 3, thereby preventing the torsion bar 3 from falling off from the bushing assembly 2; the torsion bar 3 can be drawn out along the axial direction of the shaft sleeve assembly 2 by disassembling the first fastening piece 41 and the second fastening piece 42, so that the torsion bars 3 with different radial dimensions can be replaced, and the adjustment of the vehicle operation stability and smoothness can be realized.
Further, the first bushing 21 is connected to the torsion bar 3 through a key, and the second bushing 22 is connected to the torsion bar 3 through a key.
Specifically, the first sleeve 21 and the second sleeve 22 are both configured as spline sleeves. Both ends of the torsion bar 3 are respectively matched with the first shaft sleeve 21 and the second shaft sleeve 22, so that the torsion between the first shaft sleeve 21 and the second shaft sleeve 22 can be transmitted to the torsion bar 3, and the cross beam 1 is reinforced by the torsion bar 3.
As shown in fig. 5, the torsion bar 3 includes: a main shaft section 31 and a spline shaft section 32; the main shaft section 31 and the spline shaft section 32 are coaxial and integrally formed, and the spline shaft section 32 is adapted to the first shaft sleeve 21 and the second shaft sleeve 22 respectively.
Specifically, two spline shaft sections 32 are provided, the main shaft section 31 is connected between the two spline shaft sections 32, when the torsion bar 3 is inserted into the bushing assembly 2, one spline shaft section 32 is connected in the first bushing 21 in a matching manner, and the other spline shaft section 32 is connected in the second bushing 22 in a matching manner. By exchanging torsion bars 3 of different radial dimensions, the torsional rigidity between the first bushing 21 and the second bushing 22 can be adjusted.
It should be noted that, the radial dimension of the main shaft section 31 is smaller than the radial dimension of the spline shaft section 32, and the torsion bars 3 with different radial dimensions of the main shaft section 31 are replaced, so that the torsion bars 3 with different torsion resistance and rotation resistance are selected, and the stability and smoothness of the vehicle are compared through tests, and the torsion bars 3 adapted to the vehicle performance can be selected and matched.
Further, the cross beam 1 is provided with an accommodating cavity penetrating along the length direction, and the torsion bar 3 is inserted into the accommodating cavity.
Specifically, the cross beam 1 comprises a metal pipe, a first shaft sleeve 21 is connected to one end of the metal pipe in a welded mode, a second shaft sleeve 22 is connected to the other end of the metal pipe in a welded mode, the torsion bar 3 penetrates through an accommodating cavity of the metal pipe, one end of the torsion bar 3 is inserted into the first shaft sleeve 21, and the other end of the torsion bar 3 is inserted into the second shaft sleeve 22; alternatively, the cross beam 1 comprises a sheet metal part, which is stamped to form a groove, with the groove as the receiving cavity. The torsion bar 3 is located in the accommodating cavity, so that the structural compactness of the torsion beam suspension is improved.
As shown in fig. 1, one end of the cross beam 1 is connected to the first longitudinal beam 5, the other end of the cross beam 1 is connected to the second longitudinal beam 6, the first bushing 21 is connected to the first longitudinal beam 5, and the second bushing 22 is connected to the second longitudinal beam 6.
Specifically, the cross beam 1 is welded between the first longitudinal beam 5 and the second longitudinal beam 6, and in the running process of the vehicle, the pressure applied to the first longitudinal beam 5 and the pressure applied to the second longitudinal beam 6 have a difference, so that the cross beam 1 bears the torsion action. The first shaft sleeve 21 is connected with the first longitudinal beam 5 in a welding mode, the second shaft sleeve 22 is connected with the second longitudinal beam 6 in a welding mode, the cross beam 1 is reinforced through the torsion bars 3 inserted into the first shaft sleeve 21 and the second shaft sleeve 22, and therefore the rigidity of the torsion beam suspension can be adjusted through replacing the torsion bars 3 with different radial sizes.
Example two
As shown in fig. 1, 2 and 4, according to the first embodiment, in the present embodiment, the first fastening member 41 and the second fastening member 42 are respectively screwed with the torsion bar 3, the first fastening member 41 abuts against the first bushing 21, and the second fastening member 42 abuts against the second bushing 22.
Specifically, both ends of the torsion bar 3 are provided with threads, that is, the torsion bar 3 comprises a main shaft section 31 and two threaded shaft sections 33, the main shaft section 31 and the threaded shaft sections 33 are always coaxial, and the main shaft section 31 is connected between the two threaded shaft sections 33; the first fastening member 41 is connected to one end of the torsion bar 3 in a matching manner, the second fastening member 42 is connected to the other end of the torsion bar 3 in a matching manner, the first fastening member 41 abuts against one side of the first shaft sleeve 21, which is far away from the second shaft sleeve 22, and the second fastening member 42 abuts against one side of the second shaft sleeve 22, which is far away from the first shaft sleeve 21, so that the axial movement of the torsion bar 3 is limited.
EXAMPLE III
As shown in fig. 1, 3, 5 and 6, according to the first embodiment, the first fastening member 41 and the second fastening member 42 are each provided with a protrusion 401 and a groove 402 circumferentially surrounding the protrusion 401; the bushing assembly 2 is inserted into the groove 402, the connecting member 4 is in threaded engagement with the bushing assembly 2, and the protrusion 401 abuts against the torsion bar 3.
Specifically, the outer side wall of the groove 402 is provided with threads, the first shaft sleeve 21 is connected with the first fastening member 41 in a matching manner, and the second shaft sleeve 22 is connected with the second fastening member 42 in a matching manner. The boss portion 401 of the first fastening member 41 is inserted into the first boss 21 and abuts against one end of the torsion bar 3; the boss portion 401 of the second fastening member 42 is inserted into the second boss 22 and abuts the other end of the torsion bar 3.
Example four
The embodiment of the utility model provides a vehicle, including the torsion beam suspension that embodiment one provided.
As shown in fig. 1, the torsion beam suspension is configured as a rear suspension of a vehicle, during the running of the vehicle, a difference exists between pressures applied to a first longitudinal beam 5 and a second longitudinal beam 6, a cross beam 1 is reinforced by a torsion bar 3 inserted into a first shaft sleeve 21 and a second shaft sleeve 22, the first shaft sleeve 21 and the second shaft sleeve 22 are respectively connected with the torsion bar 3 in a key mode, when the vehicle rolls, the torsion bar 3 twists around an axis, and the rolling stiffness of the vehicle can be adjusted by replacing the torsion bars 3 with different radial dimensions, so that the stability and smoothness of the vehicle can be adjusted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A torsion beam suspension, comprising: the device comprises a cross beam (1), a shaft sleeve assembly (2) and a torsion bar (3);
the shaft sleeve assembly (2) is connected with the cross beam (1), the torsion bar (3) is inserted in the shaft sleeve assembly (2), and the torsion bar (3) is detachably connected with the shaft sleeve assembly (2).
2. The torsion beam suspension according to claim 1, wherein the boss assembly (2) comprises: a first bushing (21) and a second bushing (22), said first bushing (21) being coaxial with said second bushing (22), said cross member (1) being connected between said first bushing (21) and said second bushing (22);
the torsion bar (3) is inserted into the first shaft sleeve (21) and the second shaft sleeve (22), and a connecting piece (4) used for axially limiting the torsion bar (3) is arranged at the end part of the torsion bar (3).
3. Torsion beam suspension according to claim 2, wherein the connection (4) comprises: a first fastening member (41) and a second fastening member (42);
the first fastening member (41) is connected to one end of the torsion bar (3), the second fastening member (42) is connected to the other end of the torsion bar (3), and the first bushing (21) and the second bushing (22) are located between the first fastening member (41) and the second fastening member (42).
4. Torsion beam suspension according to claim 3, wherein the first fastener (41) and the second fastener (42) are each threadedly engaged with the torsion bar (3), the first fastener (41) abutting the first bushing (21) and the second fastener (42) abutting the second bushing (22).
5. The torsion beam suspension according to claim 3, wherein the first fastener (41) and the second fastener (42) are each provided with a boss (401) and a groove (402) circumferentially surrounding the boss (401);
the shaft sleeve component (2) is inserted into the groove (402), the connecting piece (4) is in threaded fit with the shaft sleeve component (2), and the protruding portion (401) abuts against the torsion bar (3).
6. Torsion beam suspension according to claim 2, wherein the first bushing (21) and the second bushing (22) are each configured as spline bushings.
7. Torsion beam suspension according to claim 6, wherein the torsion bar (3) comprises: a main shaft section (31) and a spline shaft section (32);
the main shaft section (31) and the spline shaft section (32) are coaxial and are integrally formed, and the spline shaft section (32) is used for being matched with the first shaft sleeve (21) and the second shaft sleeve (22) respectively.
8. Torsion beam suspension according to claim 1, wherein the cross beam (1) is provided with a receiving cavity running through in the length direction, the torsion bar (3) being inserted in the receiving cavity.
9. Torsion beam suspension according to claim 2, wherein one end of the cross beam (1) is connected to a first longitudinal beam (5), the other end of the cross beam (1) is connected to a second longitudinal beam (6), the first bushing (21) is connected to the first longitudinal beam (5), and the second bushing (22) is connected to the second longitudinal beam (6).
10. A vehicle characterized in that it comprises a torsion beam suspension according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966317.9U CN210082855U (en) | 2019-06-25 | 2019-06-25 | Torsion beam suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966317.9U CN210082855U (en) | 2019-06-25 | 2019-06-25 | Torsion beam suspension and vehicle |
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| Publication Number | Publication Date |
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| CN210082855U true CN210082855U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920966317.9U Active CN210082855U (en) | 2019-06-25 | 2019-06-25 | Torsion beam suspension and vehicle |
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| CN (1) | CN210082855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348115A (en) * | 2022-02-17 | 2022-04-15 | 一汽解放汽车有限公司 | Variable-rigidity cross beam and frame assembly |
-
2019
- 2019-06-25 CN CN201920966317.9U patent/CN210082855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348115A (en) * | 2022-02-17 | 2022-04-15 | 一汽解放汽车有限公司 | Variable-rigidity cross beam and frame assembly |
| CN114348115B (en) * | 2022-02-17 | 2023-04-25 | 一汽解放汽车有限公司 | Rigidity-variable beam and frame assembly |
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