CN215752844U - Front suspension of motor tricycle - Google Patents
Front suspension of motor tricycle Download PDFInfo
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- CN215752844U CN215752844U CN202121749296.9U CN202121749296U CN215752844U CN 215752844 U CN215752844 U CN 215752844U CN 202121749296 U CN202121749296 U CN 202121749296U CN 215752844 U CN215752844 U CN 215752844U
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Abstract
The utility model relates to a front suspension of a three-wheeled motorcycle, which comprises two parallel front shock absorbers, wherein a mounting plate is connected between cylinder bodies of the two front shock absorbers, a dowel bar is arranged between the mounting plate and a frame, the front end of the dowel bar can be transversely and longitudinally rotatably connected to the middle position of the mounting plate, the rear end of the dowel bar is rotatably connected with the frame, and a rotating shaft for rotary connection extends along the left and right directions of the frame. According to the utility model, the connecting strength of the front shock absorber and the frame is enhanced by the dowel bar, the dowel bar can resist the forward and backward component force generated when part of the front suspension is deformed, and the possibility of deformation and damage of the joint of the steering rod and the steering sleeve is reduced; the two ends of the dowel bar are respectively connected with the front shock absorber and the frame in a rotating mode, so that high-frequency impact force on the front shock absorber can be reduced, loss of the front shock absorber is reduced, and driving comfort and stability are improved.
Description
Technical Field
The utility model belongs to the technical field of motorcycle front suspension structures, and particularly relates to a front suspension of a three-wheeled motorcycle.
Background
The front suspension of a motorcycle functions to transmit forces and moments acting between wheels and a frame, and to cushion impact force transmitted from an uneven road surface to the frame or a body and to attenuate vibration caused thereby, so as to ensure smooth driving of an automobile.
At present, a front suspension of a motorcycle mainly comprises a front shock absorber, an upper connecting plate and a lower connecting plate, wherein the tail ends of cylinder bodies of the two front shock absorbers are rotatably connected with a front wheel of the motorcycle, the upper connecting plate and the lower connecting plate are respectively provided with two mounting holes matched with piston rods of the shock absorbers, the piston rods of the shock absorbers penetrate through the mounting holes of the lower connecting plate and are fixedly connected with the mounting holes of the lower connecting plate, a circle of concave mounting groove is generally arranged at the position, close to the tail ends, outside the piston rods of the shock absorbers and is used for being fixedly connected with the mounting holes of the upper connecting plate, a steering rod is connected between the upper connecting plate and the lower connecting plate and is positioned in a steering sleeve at the front end of a frame of the motorcycle so as to realize the rotary connection of the front suspension and the frame, and a handle is connected on the upper connecting plate and is used for controlling the steering of the motorcycle; chinese patent cn201880024318.x is related to two-wheeled vehicles.
However, the front suspension of the motorcycle described above has the following problems: 1) the front and rear direction component force generated when the front suspension is deformed is large, so that the connection part of the steering rod and the steering sleeve is easily deformed and damaged; 2) the shock absorber in the front suspension frame bears larger high-frequency impact force from braking force, driving force and road surface, so that the piston and the sealing device of the shock absorber are seriously abraded, the fatigue life of the shock absorber is shorter, and the riding comfort is poorer; 3) when the vehicle brakes, the front suspension has weaker anti-nodding capability, and the running stability and comfort of the vehicle are poorer.
The transportation of the motor tricycle and the large and medium-sized agricultural motor tricycles occupies a large market in cities and villages in China, and the problems of the front suspension are particularly obvious in the motor tricycle due to the fact that the load capacity of the transportation of the motor tricycle and the large and medium-sized agricultural motor tricycles is large, and the load transferred to the front suspension during braking is also large, so that the loss of the motor tricycle is serious, the production cost in the countryside is increased, and the front suspension of the motor tricycle needs to be optimized to reduce the problems of the front suspension.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a front suspension of a three-wheeled motorcycle, solve the problems of serious abrasion of a shock absorber and weak anti-nod capability of the front suspension of the existing three-wheeled motorcycle and achieve the effects of prolonging the service life of the shock absorber and improving the running stability and comfort.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a front suspension of a motor tricycle comprises two parallel front shock absorbers, piston rods of the two front shock absorbers are positioned in mounting holes of a lower connecting plate and are fixedly connected with the lower connecting plate, a steering rod is connected to the lower connecting plate and is positioned in a steering sleeve at the front end of a frame; an installation plate is arranged between the cylinder bodies of the two front shock absorbers, and two ends of the installation plate are respectively connected with the cylinder bodies of the two front shock absorbers;
still include the dowel steel, the dowel steel is located between mounting panel and the frame, but the front end of dowel steel transversely with vertical rotation connect in the positive intermediate position of mounting panel, the rear end of dowel steel and the frame part rotation connection in mounting panel rear and this rotation connect the pivot of usefulness and extend along the left and right sides direction of frame.
In the utility model, the mounting plate connects the two front shock absorbers into a whole, so that the actions of the two front shock absorbers are more coordinated; the dowel bar is additionally arranged between the frame and the mounting plate, so that the connection strength of the front shock absorber and the frame is enhanced, the fore-and-aft component force generated when the front suspension is deformed can be resisted by the dowel bar, and the possibility of deformation and damage of the joint of the steering rod and the steering sleeve is reduced; the two ends of the dowel bar are respectively connected with the front shock absorber and the frame in a rotating manner, so that the high-frequency impact force on the front shock absorber can be reduced, the loss to the front shock absorber is reduced, the service life of the front shock absorber is prolonged, and meanwhile, the anti-nodding capability of the front suspension is improved, so that the driving comfort and stability are improved; the front end of the dowel bar is connected with the middle of the mounting plate, so that the front end of the dowel bar is positioned on the steering axis, and the interference of the dowel bar on the steering of the motor tricycle can be avoided.
Further, the transverse and longitudinal rotatable connection is a spherical hinge or a universal joint cross hinge.
Therefore, the front end of the dowel bar is more flexibly connected with the mounting plate in a rotating way, and the interference of the dowel bar to the steering of the motor tricycle can be avoided.
Furthermore, an elastic rubber sleeve is sleeved between the rear end of the dowel bar and the rotating shaft.
Therefore, the rear end of the dowel bar is prevented from being rigidly connected with the rotating shaft, the flexibility of the connection between the dowel bar and the frame is improved, and the interference of the dowel bar on the steering of the motor tricycle is avoided.
Furthermore, the frame part behind the mounting plate is a cradle cross beam between the lower cradle left beam and the lower cradle right beam.
Therefore, a steering part is conveniently installed on the cradle cross beam to realize the rotating connection of the dowel bar and the frame, wherein the cradle cross beam is arranged between the lower cradle left beam and the lower cradle right beam of the frame and is in a conventional frame shape, and the power assembly structure of the CN 210822602U-electric cross-country motorcycle can be seen.
Furthermore, a circle of concave mounting grooves are formed in the positions, close to the tail ends, of the piston rods of the front shock absorbers, the positions, corresponding to the mounting grooves, of the piston rods of the two front shock absorbers are located in the mounting holes of the lower connecting plate, and a shock absorbing structure is arranged between the mounting grooves and the mounting holes of the lower connecting plate;
the shock absorbing structure comprises an annular upper pressure plate and an annular lower pressure plate, the upper pressure plate and the lower pressure plate are both sleeved on the piston rod of the front shock absorber and correspond to the mounting groove, the upper pressure plate is positioned above the lower connecting plate, and the lower connecting plate is positioned between the upper pressure plate and the lower pressure plate;
the outer diameters of the upper pressing plate and the lower pressing plate are larger than the diameter of the mounting hole of the lower connecting plate, the upper surface of the upper pressing plate is abutted to the side wall corresponding to the mounting groove, the lower surface of the upper pressing plate is abutted to the upper surface of the lower connecting plate, the lower surface of the lower pressing plate is abutted to the side wall corresponding to the mounting groove, and an elastic rubber pad is clamped between the lower pressing plate and the lower connecting plate.
Therefore, when the front shock absorber is subjected to high-frequency impact force, the elastic rubber pad in the shock absorbing structure can further absorb the vibration, the piston rod of the front shock absorber can slightly float up and down in the mounting hole of the lower connecting plate, the vibration cannot be directly transmitted to the upper connecting plate and the handle, and the driving stability and the driving comfort are improved.
Furthermore, the middle position of the upper pressure plate is provided with a downward annular protrusion I, and the lower end of the annular protrusion I is abutted to the lower pressure plate.
Like this, form rigid connection between top board and the holding down plate, make shock absorber structure more reliable and stable, avoid the relative motion of top board and holding down plate, reduce shock absorber structure self wearing and tearing, improve shock absorber structure's life.
Furthermore, the middle position of the elastic rubber pad is provided with an upward annular bulge II, the upper end of the annular bulge II is abutted to the upper pressing plate, and the outer wall of the annular bulge II is abutted to the inner wall of the mounting hole.
Therefore, rigid collision between the front shock absorber and the inner wall of the mounting hole is avoided, and the stability of the shock absorbing structure is improved.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the mounting plate connects the two front shock absorbers into a whole, so that the actions of the two front shock absorbers are more coordinated, and the driving stability and comfort are improved.
2. According to the utility model, the dowel bar strengthens the connection strength of the front shock absorber and the frame, and reduces the possibility of deformation and damage of the connection part of the steering rod and the steering sleeve; two ends of the dowel bar are respectively connected with the front shock absorber and the frame in a rotating mode, so that high-frequency impact force on the front shock absorber can be reduced, and the anti-nodding capability of the front suspension is improved.
3. In the utility model, the shock absorbing structure can further absorb the vibration of the front shock absorber, reduce the vibration transmitted to the upper connecting plate and the handle and improve the driving stability and comfort.
Drawings
FIG. 1 is a front view of a front suspension of a three-wheeled motorcycle according to an embodiment;
FIG. 2 is a right side view of a front suspension of a three-wheeled motorcycle of the embodiment;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
the front shock absorber comprises a front shock absorber 1, a front wheel 2, a mounting plate 3, a dowel steel 4, a U-shaped block 5, a rotating shaft 6, an upper pressing plate 7, a lower pressing plate 8, an elastic rubber pad 9, a spring 10, a steering rod 11, a frame 12 and a lower connecting plate 13.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, a front suspension of a motor tricycle comprises two parallel front shock absorbers 1, wherein the tail ends of cylinder bodies of the two front shock absorbers 1 are rotatably connected with a front wheel 2, a mounting plate 3 is arranged between the cylinder bodies of the two front shock absorbers 1 and above the front wheel 2, and two ends of the mounting plate 3 are respectively and vertically and fixedly connected with the cylinder bodies of the two front shock absorbers 1;
a dowel bar 4 is arranged between the mounting plate 3 and the frame 12, the front end of the dowel bar 4 is hinged with the spherical surface at the right middle position of the mounting plate 3, the rear end of the dowel bar 4 is rotationally connected with the frame part behind the mounting plate 3, and a rotating shaft 6 for rotational connection extends along the left and right directions of the frame; in practice, the frame part behind the mounting plate is a cradle cross beam (not shown in the figure) between the left beam and the right beam of the lower cradle.
The appearance shape and the rigidity characteristic of the dowel bar 4 can be changed in various ways according to the vehicle condition, and the positions connected with the two ends have different positions according to related performance design indexes.
Referring to fig. 2 and 3, in this embodiment, in order to realize the rotational connection between the dowel bar 4 and the frame 12, a rotating member is disposed at the rear end of the dowel bar 4, the rotating member includes a rotating shaft 6 and a U-shaped block 5, the rear end of the dowel bar 4 is located in the U-shaped area of the U-shaped block 5, the rotating shaft 6 penetrates through the rear end of the dowel bar 4 and is rotationally connected to two side walls of the U-shaped block 5, an elastic rubber sleeve (not shown in the figure) is further sleeved between the rear end of the dowel bar 4 and the rotating shaft 6, and one side of the U-shaped block 5 away from the dowel bar 4 is welded to the frame 12 (specifically, a cradle cross beam).
Referring to fig. 2 and 4, a circle of concave mounting grooves are formed in the positions, close to the tail ends, of the piston rods of the front shock absorbers 1, the positions, corresponding to the mounting grooves, of the piston rods of the two front shock absorbers 1 are located in the mounting holes of the lower connecting plate 13, and a shock absorbing structure is arranged between the mounting grooves and the mounting holes of the lower connecting plate 13;
the shock absorbing structure comprises an annular upper pressure plate 7 and an annular lower pressure plate 8, the upper pressure plate 7 and the lower pressure plate 8 are both sleeved on the piston rod of the front shock absorber 1 at positions corresponding to the mounting grooves, the upper pressure plate 7 is positioned above the lower connecting plate 13, and the lower connecting plate 13 is positioned between the upper pressure plate 7 and the lower pressure plate 8;
the external diameters of upper plate 7 and lower clamp plate 8 all are greater than the diameter of the mounting hole of lower yoke plate 13, the upper surface of upper plate 7 with the lateral wall butt of mounting groove, the lower surface of upper plate 7 and the upper surface butt of lower yoke plate 13, the lower surface of lower clamp plate 8 with the lateral wall butt of mounting groove presss from both sides between lower clamp plate 8 and the lower yoke plate 13 and is equipped with elastic rubber pad 9.
The middle position of the upper pressure plate 7 is provided with a downward annular bulge I, and the lower end of the annular bulge I is abutted to the lower pressure plate 8; the upper pressure plate 7 and the lower pressure plate 8 are rigidly connected, in this embodiment, the lower pressure plate 8 replaces an upper spring retainer ring of the front shock absorber 1 to abut against a spring 10 sleeved on the front shock absorber 1.
The middle position of the elastic rubber pad 9 is provided with an upward annular bulge II, the upper end of the annular bulge II is abutted with the upper pressing plate 7, and the outer wall of the annular bulge II is abutted with the inner wall of the mounting hole.
In practice, an upper yoke plate (not shown in the figure) is further arranged above the lower yoke plate 13, a steering rod 11 is connected between the upper yoke plate and the lower yoke plate 13, the steering rod 11 is located in a steering sleeve (not shown in the figure) at the front end of the frame 12 to realize the rotating connection of the front suspension and the frame 12, and a handle (not shown in the figure) is connected to the upper yoke plate and used for controlling the steering of the motorcycle.
The utility model improves the current front suspension of the motorcycle, better solves the problems of the current front suspension of the motorcycle, increases little manufacturing cost of the original motorcycle, increases the travel distance of the shock absorber of the front suspension of the motorcycle, reduces the maintenance cost of the front suspension of the motorcycle, improves the driving comfort and stability and has stronger practicability.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A front suspension of a motor tricycle comprises two parallel front shock absorbers, piston rods of the two front shock absorbers are positioned in mounting holes of a lower connecting plate and are fixedly connected with the lower connecting plate, a steering rod is connected to the lower connecting plate and is positioned in a steering sleeve at the front end of a frame; the method is characterized in that: an installation plate is arranged between the cylinder bodies of the two front shock absorbers, and two ends of the installation plate are respectively connected with the cylinder bodies of the two front shock absorbers;
still include the dowel steel, the dowel steel is located between mounting panel and the frame, but the front end of dowel steel transversely with vertical rotation connect in the positive intermediate position of mounting panel, the rear end of dowel steel and the frame part rotation connection in mounting panel rear and this rotation connect the pivot of usefulness and extend along the left and right sides direction of frame.
2. A motor tricycle front suspension as claimed in claim 1, wherein: the connection capable of transversely and longitudinally rotating is a spherical hinge or a cross universal joint hinge.
3. A motor tricycle front suspension as claimed in claim 1, wherein: an elastic rubber sleeve is sleeved between the rear end of the dowel bar and the rotating shaft.
4. A motor tricycle front suspension as claimed in claim 1, wherein: the frame part behind the mounting plate is a cradle cross beam between a lower cradle left beam and a lower cradle right beam.
5. A motor tricycle front suspension as claimed in claim 1, wherein: a circle of concave mounting grooves are formed in the positions, close to the tail ends, of piston rods of the front shock absorbers, the positions, corresponding to the mounting grooves, of the piston rods of the two front shock absorbers are located in the mounting holes of the lower connecting plate, and a shock absorption structure is arranged between the mounting grooves and the mounting holes of the lower connecting plate;
the shock absorbing structure comprises an annular upper pressure plate and an annular lower pressure plate, the upper pressure plate and the lower pressure plate are both sleeved on the piston rod of the front shock absorber and correspond to the mounting groove, the upper pressure plate is positioned above the lower connecting plate, and the lower connecting plate is positioned between the upper pressure plate and the lower pressure plate;
the outer diameters of the upper pressing plate and the lower pressing plate are larger than the diameter of the mounting hole of the lower connecting plate, the upper surface of the upper pressing plate is abutted against the side wall of the corresponding mounting groove, the lower surface of the upper pressing plate is abutted against the upper surface of the lower connecting plate, the lower surface of the lower pressing plate is abutted against the side wall of the corresponding mounting groove, and an elastic rubber pad is clamped between the lower pressing plate and the lower connecting plate.
6. A motor tricycle front suspension according to claim 5, characterised in that: the middle position of top board has decurrent annular bulge I, the lower extreme and the holding down plate butt of annular bulge I.
7. A motor tricycle front suspension according to claim 6, characterised in that: the middle position of the elastic rubber pad is provided with an upward annular bulge II, the upper end of the annular bulge II is abutted to the upper pressing plate, and the outer wall of the annular bulge II is abutted to the inner wall of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749296.9U CN215752844U (en) | 2021-07-29 | 2021-07-29 | Front suspension of motor tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749296.9U CN215752844U (en) | 2021-07-29 | 2021-07-29 | Front suspension of motor tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215752844U true CN215752844U (en) | 2022-02-08 |
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ID=80108174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121749296.9U Active CN215752844U (en) | 2021-07-29 | 2021-07-29 | Front suspension of motor tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215752844U (en) |
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2021
- 2021-07-29 CN CN202121749296.9U patent/CN215752844U/en active Active
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