CN216969246U - Control arm bush, control arm assembly and vehicle - Google Patents
Control arm bush, control arm assembly and vehicle Download PDFInfo
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- CN216969246U CN216969246U CN202220235001.4U CN202220235001U CN216969246U CN 216969246 U CN216969246 U CN 216969246U CN 202220235001 U CN202220235001 U CN 202220235001U CN 216969246 U CN216969246 U CN 216969246U
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- bushing
- control arm
- rigidity adjusting
- inner tube
- rigidity
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Abstract
The utility model discloses a control arm bushing, a control arm assembly and a vehicle, wherein the control arm bushing comprises: a liner inner tube; the bushing inner pipe is arranged in the bushing outer pipe, and the bushing outer pipe and the bushing inner pipe are arranged at intervals along the radial direction of the bushing inner pipe; the rigidity adjusting piece is arranged between the inner bushing pipe and the outer bushing pipe, a plurality of first rigidity adjusting grooves are formed in one axial end of the rigidity adjusting piece, and the first rigidity adjusting grooves are used for adjusting axial rigidity of the control arm bushing. According to the control arm bushing, the plurality of first rigidity adjusting grooves are formed in the shaft end of the rigidity adjusting piece, and after the control arm bushing is arranged on a control arm of a vehicle and connected with the transmission shaft, when the transmission shaft axially moves in a driving process, the first rigidity adjusting grooves can adjust the rigidity of the control arm bushing in the axial direction, so that the stability of the vehicle is improved.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a control arm bushing, a control arm assembly and a vehicle.
Background
In the related art, the control arm bushing is an important part for vehicle stability and smoothness, is generally installed between a control arm body and a vehicle frame and an auxiliary frame, has certain radial and axial rigidity, plays a role in transmitting force and torque, and attenuating and isolating road vibration, has an important influence on the stability and smoothness of the whole vehicle operation, and is a very key performance part. However, the existing control arm bushing has weak adjustment capability on axial rigidity, and influences the operation stability and smoothness of the vehicle.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, the utility model proposes a control arm bushing that makes it possible to adjust the axial stiffness and thus to improve the handling properties of the vehicle.
The utility model also provides a control arm assembly with the control arm bushing.
The utility model also provides a vehicle with the control arm assembly.
The control arm bushing according to the first aspect of the utility model includes: a bushing inner tube; the bushing inner pipe is arranged on the bushing outer pipe, and the bushing outer pipe and the bushing inner pipe are arranged at intervals along the radial direction of the bushing inner pipe; the rigidity adjusting piece is arranged between the inner bushing pipe and the outer bushing pipe, a plurality of first rigidity adjusting grooves are formed in one axial end of the rigidity adjusting piece, and the first rigidity adjusting grooves are used for adjusting the axial rigidity of the control arm bushing.
According to the control arm bushing disclosed by the embodiment of the utility model, the plurality of first rigidity adjusting grooves are formed at the shaft end of the rigidity adjusting part, so that after the control arm bushing is arranged on a control arm of a vehicle and is connected with the transmission shaft, in the driving process, when the transmission shaft axially moves, the first rigidity adjusting grooves can deform correspondingly along with the movement of the transmission shaft, so that the rigidity of the control arm bushing in the axial direction is adjusted, the axial displacement requirement of a finished vehicle suspension system is further met, and the stability of the vehicle is improved.
According to some embodiments of the present invention, each of the first rigidity adjusting grooves extends in a radial direction of the liner inner tube, and a plurality of the first rigidity adjusting grooves are arranged at regular intervals in a circumferential direction of the liner inner tube.
Further, the sectional area of the first rigidity adjusting groove is kept constant or increased in a direction along the radial direction of the liner inner tube and from the inside to the outside.
Further, while the sectional area of the first rigidity adjusting groove remains constant in the radial direction of the liner inner tube and in the inward-outward direction, the two side walls of the first rigidity adjusting groove in the circumferential direction of the liner inner tube are parallel to each other and are respectively parallel to a center line of the first rigidity adjusting groove, the center line passing through the center axis of the liner inner tube; when the sectional area of the first rigidity adjusting groove is increased in the radial direction of the bushing inner pipe and in the inward-outward direction, the planes of two side walls of the first rigidity adjusting groove in the circumferential direction of the bushing inner pipe pass through the central axis of the bushing inner pipe.
In some embodiments, one end of the rigidity adjusting member in the axial direction is formed with a second rigidity adjusting groove extending in a circumferential direction of the bushing inner tube, the second rigidity adjusting groove being for adjusting the radial rigidity of the control arm bushing, the second rigidity adjusting groove being located radially inward of the first rigidity adjusting groove and communicating with the first rigidity adjusting groove in a radial direction.
Further, the depth of the first rigidity adjusting groove in the axial direction of the bushing inner tube is smaller than the depth of the second rigidity adjusting groove in the axial direction of the bushing inner tube.
According to some embodiments of the utility model, the axial ends of the bushing inner tube and the stiffness adjuster are radially flush and extend beyond the axial end of the bushing outer tube.
According to some embodiments of the utility model, the control arm is formed with a bushing mounting hole, the control arm bushing is adapted to be disposed in the bushing mounting hole, one end of the bushing outer tube in the axial direction is formed with a limit flange extending outward in the radial direction of the bushing inner tube, and the limit flange abuts against a peripheral edge of an end of the bushing mounting hole when the control arm bushing is disposed in the bushing mounting hole.
A control arm assembly according to a second aspect of the utility model, comprising: the control arm comprises a control arm body, wherein a bushing mounting hole is formed in the control arm body; a control arm bushing for a vehicle according to the first aspect of the utility model, the control arm bushing being adapted to be provided to the bushing mounting hole.
According to the control arm assembly provided by the embodiment of the utility model, the control arm bushing provided by the embodiment is beneficial to improving the stability, smoothness and safety of the whole vehicle.
A vehicle according to a third aspect of the utility model includes: a control arm assembly according to the second aspect of the utility model.
According to the vehicle provided by the embodiment of the utility model, the control arm assembly is arranged, so that the stability, smoothness and safety of operation can be improved, and the use experience of a user can be improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic view of a control arm bushing according to an embodiment of the present invention;
reference numerals:
control arm bushing 100:
a lining inner tube 1, a lining outer tube 2, a limit flanging 21,
a rigidity adjusting member 3, a first rigidity adjusting groove 31, and a second rigidity adjusting groove 32.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
A control arm bushing 100 according to an embodiment of the first aspect of the utility model is described below with reference to fig. 1.
As shown in fig. 1, a control arm bushing 100 according to an embodiment of the first aspect of the present invention includes: the bushing inner tube 1, the bushing outer tube 2 and the rigidity adjusting piece 3.
Specifically, the liner inner tube 1 may be formed as a circular tube with both ends open, the liner outer tube 2 is provided outside the liner inner tube 1, the liner outer tube 2 and the liner inner tube 1 are provided at intervals radially inside and outside the liner inner tube 1, and the liner inner tube 1 and the liner outer tube 2 are coaxially provided. The rigidity adjusting piece 3 is arranged between the bushing inner tube 1 and the bushing outer tube 2, for example, the rigidity adjusting piece 3 can be a vulcanized rubber piece, a plurality of first rigidity adjusting grooves 31 are formed in one axial end of the rigidity adjusting piece 3, and the first rigidity adjusting grooves 31 can be used for adjusting the axial rigidity of the control arm bushing 100, so that after the control arm bushing 100 is arranged on a control arm of a vehicle and connected with a transmission shaft, when the transmission shaft axially moves, the first rigidity adjusting grooves 31 can deform correspondingly along with the movement of the transmission shaft, the rigidity of the control arm bushing 100 in the axial direction is adjusted, the control arm bushing 100 is prevented from being damaged, the axial displacement requirement of a finished vehicle suspension system is further met, and the stability of the vehicle is improved.
According to the control arm bushing 100 of the embodiment of the utility model, the plurality of first rigidity adjusting grooves 31 are arranged at the shaft end of the rigidity adjusting part 3, so that after the control arm bushing 100 is arranged on the control arm of the vehicle and is connected with the transmission shaft, when the transmission shaft axially moves in the driving process, the first rigidity adjusting grooves 31 can be correspondingly deformed along with the movement of the transmission shaft, so as to adjust the rigidity of the control arm bushing 100 in the axial direction, prevent the control arm bushing 100 from being damaged, better meet the axial displacement requirement of a finished vehicle suspension system, and improve the stability of the vehicle.
In some embodiments, the stiffness adjusting member 3 is a vulcanized rubber member, so that the stiffness adjusting member 3 has high stiffness and elasticity, thereby being beneficial to blocking vibration of the vehicle and further having stability.
According to some embodiments of the present invention, referring to fig. 1, each first stiffness adjustment groove 31 may extend in a radial direction of the bushing inner tube 1, and a plurality of first stiffness adjustment grooves 31 may be uniformly spaced in a circumferential direction of the bushing inner tube 1, so that, during a vehicle driving process, when a transmission shaft moves in an axial direction, the first stiffness adjustment grooves 31 may adjust a stiffness of the control arm bushing 100 in the axial direction, so as to meet an axial displacement requirement of a vehicle suspension system, thereby improving vehicle driving smoothness and controllability.
Further, in the radial direction of the bushing inner tube 1 and the direction from the inside to the outside, the sectional area of the first stiffness adjustment groove 31 may be kept constant, or the sectional area of the first stiffness adjustment groove 31 may be gradually increased, and of course, the configuration of the first stiffness adjustment groove 31 may be reasonably set according to actual needs, so that the stiffness change of the control arm bushing 100 may have better adaptability to the state change of the transmission shaft, so as to improve the stability of the vehicle.
Further, while the sectional area of the first rigidity adjusting groove 31 is kept constant in the radial direction of the liner inner tube 1 and in the inward-outward direction, both side walls of the first rigidity adjusting groove 31 in the circumferential direction of the liner inner tube 1 are parallel to each other and are respectively parallel to the center line of the first rigidity adjusting groove 31, the center line passing through the center axis of the liner inner tube 1. While the sectional area of the first rigidity adjusting groove 31 increases in the radial direction of the liner inner tube 1 and in the inward-outward direction, the planes of both side walls of the first rigidity adjusting groove 31 in the circumferential direction of the liner inner tube 1 pass through the center axis of the liner inner tube 1. Therefore, the rigidity adjusting piece 3 is beneficial to uniform stress in all directions, and the service life is prolonged.
In some embodiments, one end of the stiffness adjuster 3 in the axial direction is further formed with a second stiffness adjusting groove 32, the second stiffness adjusting groove 32 may extend in the circumferential direction of the bushing inner tube 1 and be formed in a circular ring shape, the second stiffness adjusting groove 32 may be used to adjust the radial stiffness of the control arm bushing 100, the second stiffness adjusting groove 32 is located inside the first stiffness adjusting groove in the radial direction, and the second stiffness adjusting groove 32 and the first stiffness adjusting groove 31 are communicated with each other in the radial direction, so that, during the running of the vehicle, when the transmission shaft vibrates in the radial direction, the second stiffness adjusting groove 32 enables the stiffness adjuster 3 to adapt to the vibration of the transmission shaft in any direction, and prevents the control arm bushing 100 from being damaged, and at the same time, the second stiffness adjusting groove 32 and the first stiffness adjusting groove 31 are matched with each other, so that the overall structural stiffness of the control arm bushing 100 can be further improved, thereby prolonging the service life of the device.
Further, referring to fig. 1, the depth of the first stiffness adjustment groove 31 in the axial direction of the bushing inner tube 1 is smaller than the depth of the second stiffness adjustment groove 32 in the axial direction of the bushing inner tube 1, so that the radial stiffness of the control arm bushing 100 is favorably adjusted, and meanwhile, the second stiffness adjustment groove 32 can also assist the first stiffness adjustment groove 31 in adjusting the axial stiffness curve of the control arm bushing 100, so as to improve the operating stability and smoothness of the vehicle.
According to some embodiments of the present invention, referring to fig. 1, the axial end of the liner inner tube 1 and the axial end of the stiffness adjusting member 3 are flush with each other in the radial direction and extend beyond the axial end of the liner outer tube 2, so that the structure is simpler and the manufacture and assembly are facilitated.
According to some embodiments of the present invention, referring to fig. 1, a bushing installation hole is formed on the control arm, and the control arm bushing 100 is suitable for being disposed in the bushing installation hole, for example, the control arm bushing 100 may be embedded in the bushing installation hole, one end of the bushing outer tube 2 in the axial direction is formed with a limit flange 21 extending outward in the radial direction of the bushing inner tube 1, when the control arm bushing 100 is disposed in the bushing installation hole, the limit flange 21 abuts against the circumferential edge of the shaft end of the bushing installation hole, so that by disposing the limit flange 21 at the shaft end of the bushing outer tube 2, when the transmission shaft moves in the axial direction, the limit flange 21 may cooperate with the control arm to limit the control arm bushing 100 in the axial direction, thereby preventing the control arm bushing 100 from coming out of the bushing installation hole, and improving the safety of the entire vehicle.
A control arm assembly according to an embodiment of the second aspect of the utility model is described below.
A control arm assembly according to a second aspect of the utility model, comprising: a control arm body (not shown) and a control arm bushing 100.
Wherein, a bushing mounting hole can be formed on the control arm body, and the bushing mounting hole can be formed into a round hole matched with the outer peripheral wall of the bushing outer tube 2; the control arm bushing 100 is the control arm bushing 100 for the vehicle according to the above embodiment, the control arm bushing 100 is adapted to be disposed in the bushing mounting hole, and after the control arm bushing 100 is assembled in the bushing mounting hole, the bushing outer tube 2 may be in interference fit with the bushing mounting hole, so as to improve the assembling stability of the control arm bushing 100 and the control arm body, and further improve the safety of the vehicle.
According to the control arm assembly provided by the embodiment of the utility model, the control arm bushing 100 provided by the embodiment is beneficial to improving the stability, smoothness and safety of the whole vehicle.
A vehicle according to an embodiment of the third aspect of the utility model is described below.
A vehicle according to a third aspect of the utility model includes: a control arm assembly according to the above described embodiment of the present invention.
According to the vehicle provided by the embodiment of the utility model, the control arm assembly is arranged, so that the stability and smoothness of operation can be improved, and the use experience of a user can be improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A control arm bushing, comprising:
a bushing inner tube;
the bushing inner pipe is arranged on the bushing outer pipe, and the bushing outer pipe and the bushing inner pipe are arranged at intervals along the radial direction of the bushing inner pipe;
the rigidity adjusting piece is arranged between the inner bushing pipe and the outer bushing pipe, a plurality of first rigidity adjusting grooves are formed in one axial end of the rigidity adjusting piece, and the first rigidity adjusting grooves are used for adjusting the axial rigidity of the control arm bushing.
2. The control arm bushing according to claim 1, wherein each of the first rigidity adjusting grooves extends in a radial direction of the bushing inner tube, and a plurality of the first rigidity adjusting grooves are arranged at regular intervals in a circumferential direction of the bushing inner tube.
3. The control arm bushing according to claim 2, wherein a sectional area of the first rigidity adjusting groove is kept constant or increased in a direction in a radial direction of the bushing inner tube and from the inside to the outside.
4. The control arm bushing according to claim 3, wherein, while a sectional area of the first rigidity adjusting groove remains constant in a radial direction of the bushing inner tube and in an inside-out direction, both side walls of the first rigidity adjusting groove in a circumferential direction of the bushing inner tube are parallel to each other and are respectively parallel to a center line of the first rigidity adjusting groove, the center line passing through a center axis of the bushing inner tube;
when the sectional area of the first rigidity adjusting groove is increased in the radial direction of the bushing inner pipe and in the inward-outward direction, the planes of two side walls of the first rigidity adjusting groove in the circumferential direction of the bushing inner pipe pass through the central axis of the bushing inner pipe.
5. The control arm bushing according to any one of claims 1 to 4, wherein one end of the rigidity adjusting member in the axial direction is formed with a second rigidity adjusting groove extending in a circumferential direction of the bushing inner tube, the second rigidity adjusting groove being used to adjust a radial rigidity of the control arm bushing, the second rigidity adjusting groove being located radially inward of the first rigidity adjusting groove and communicating with the first rigidity adjusting groove in a radial direction.
6. The control arm bushing of claim 5, wherein a depth of the first stiffness adjustment groove in an axial direction of the bushing inner tube is smaller than a depth of the second stiffness adjustment groove in the axial direction of the bushing inner tube.
7. The control arm bushing of claim 1 wherein axial ends of the bushing inner tube and the stiffness adjuster are radially flush and extend beyond axial ends of the bushing outer tube.
8. The control arm bushing of claim 1 wherein the control arm is formed with a bushing mounting hole, the control arm bushing adapted to be disposed in the bushing mounting hole,
and one end of the bushing outer pipe in the axial direction is provided with a limiting flange which extends outwards in the radial direction of the bushing inner pipe, and when the control arm bushing is arranged in the bushing mounting hole, the limiting flange is abutted against the periphery of the shaft end of the bushing mounting hole.
9. A control arm assembly, comprising:
the control arm comprises a control arm body, wherein a bushing mounting hole is formed in the control arm body;
a control arm bushing according to any one of claims 1-8, the control arm bushing being adapted to be disposed in the bushing mounting hole.
10. A vehicle, characterized by comprising: the control arm assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220235001.4U CN216969246U (en) | 2022-01-27 | 2022-01-27 | Control arm bush, control arm assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220235001.4U CN216969246U (en) | 2022-01-27 | 2022-01-27 | Control arm bush, control arm assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216969246U true CN216969246U (en) | 2022-07-15 |
Family
ID=82353543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220235001.4U Active CN216969246U (en) | 2022-01-27 | 2022-01-27 | Control arm bush, control arm assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216969246U (en) |
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2022
- 2022-01-27 CN CN202220235001.4U patent/CN216969246U/en active Active
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