CN112622550A - Guide structure, vehicle suspension and vehicle - Google Patents
Guide structure, vehicle suspension and vehicle Download PDFInfo
- Publication number
- CN112622550A CN112622550A CN202011560417.5A CN202011560417A CN112622550A CN 112622550 A CN112622550 A CN 112622550A CN 202011560417 A CN202011560417 A CN 202011560417A CN 112622550 A CN112622550 A CN 112622550A
- Authority
- CN
- China
- Prior art keywords
- rolling
- shock absorber
- guide structure
- piston rod
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The application relates to the technical field of vehicles, in particular to a guide structure, a vehicle suspension and a vehicle. The guide structure comprises a rolling part and an installation part, wherein the rolling part is suitable for being in contact with a rod body of a piston rod of the shock absorber to form rolling friction and rotates around the axis of the rolling part under the action of the rolling friction when the piston rod reciprocates; the mounting part is connected with the rolling part and is suitable for being fixed on the upper part of the cylinder barrel of the shock absorber. This guide structure can effectively avoid the wearing and tearing of the sealing washer on shock absorber cylinder upper portion under the prerequisite that does not change shock absorber inner structure and suspension arrangement form, improves the life of shock absorber, and reduces the motion resistance of piston rod, makes its damping effect of shock absorber full play, improves whole car travelling comfort.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a guide structure, a vehicle suspension and a vehicle.
Background
The suspension is a general term for a force transmission connecting device between a frame and wheels, and is used for transmitting vertical counter force, longitudinal counter force and lateral force which are acted on the wheels by a road surface and moment caused by the counter force to the frame so as to ensure normal running of an automobile. The suspension generally includes a resilient member, a shock absorber, and a guide structure.
During the running of the vehicle, the elastic element vibrates due to the unevenness of the road surface, and the occupant is likely to feel uncomfortable with the continuous vibration. The damper can rapidly reduce the vibration of the elastic element. The working principle of the shock absorber is as follows: when the frame and the wheel do reciprocating relative motion and the piston reciprocates in the cylinder barrel, oil in the shock absorber shell repeatedly flows into another cavity from the cavity through narrow gaps. At the moment, the friction between the hole wall and the oil liquid and the friction in the liquid molecules form damping force to the vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy to be absorbed by the oil liquid and the shock absorber shell. The larger the damping force of the shock absorber, the faster the vibrations are eliminated. Of these, the macpherson suspension is the most common type of front suspension.
However, due to the action of lateral force, a sliding friction pair is formed between the piston rod of the shock absorber and the guide sealing ring at the upper end of the steel drum. When the shock absorber works, the friction pair generates friction force to hinder the piston rod from moving, the comfort of the whole vehicle is reduced, and the service life of the shock absorber is also reduced.
Currently, for macpherson suspension, the axis of the shock absorber is generally aligned with the steering axis of the wheel by adjusting the arrangement angle of a plane bearing at the upper end of the shock absorber in the industry, so as to prevent the shock absorber from bearing lateral force, or an annular guide structure is directly added in a shell of the shock absorber, so as to reduce the abrasion of a guide seal ring. The method directly adjusts the arrangement form of the shock absorber on the whole vehicle or the internal structure of the shock absorber, and has the disadvantages of large change amount, inflexibility and poor universality.
Therefore, the guide structure, the suspension and the vehicle which are simple in structure, strong in universality and small in change amount of the shock absorber are provided.
Disclosure of Invention
In view of this, the application provides a guide structure, vehicle suspension and vehicle, and this guide structure can effectively reduce the moving resistance of piston rod under the condition of not changing shock absorber inner structure or arrangement form, improves whole car travelling comfort.
Specifically, the method comprises the following technical scheme:
in a first aspect, the present application provides a guide structure comprising a rolling portion and a mounting portion,
the rolling part is suitable for being in contact with a rod body of a piston rod of the shock absorber to form rolling friction, and rotates around the axis of the rolling part under the action of the rolling friction when the piston rod reciprocates;
the mounting part is connected with the rolling part and is suitable for being fixed on the upper part of the cylinder barrel of the shock absorber.
Optionally, a rolling friction portion is a portion of the rolling portion that is in rolling friction with the piston rod, and a transverse contact line between the rolling friction portion and the piston rod is an arc shape that protrudes away from the piston rod.
Optionally, the radius of the arc is the same as the radius of the piston rod.
Optionally, the rolling part is of a roller structure, the roller structure can rotate around a central shaft rod of the roller structure, and the mounting part is connected with the central shaft rod of the roller structure.
Optionally, the rolling part comprises two rolling bearings, a rolling friction part and a central shaft rod,
the two rolling bearings are respectively arranged at two ends of the rolling friction part;
the central shaft rod penetrates through the two rolling bearings and the axle centers of the rolling friction parts and is connected with the two rolling bearing parts, and two ends of the central shaft rod are respectively connected with the installation parts.
Optionally, each rolling bearing comprises an outer ring, a rolling body and a cage,
the rolling bodies are uniformly distributed between the central shaft rod and the outer ring through the retainer and are in rolling friction with the outer ring;
the outer ring is connected with the rolling friction part.
Optionally, the mounting portion includes a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are connected to both ends of the central shaft of the rolling portion, respectively.
In a second aspect, the embodiments of the present application further provide a vehicle suspension, in which a shock absorber of the vehicle suspension is provided with the guide structure as described above.
In a third aspect, embodiments of the present application provide a vehicle, a suspension of which has a guide structure as described above.
Optionally, the guide structure is located between a wheel of the vehicle and a shock absorber.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
the guide structure that this application embodiment provided has roll portion and installation department, and the roll portion forms rolling friction with the pole body contact of piston rod to with the sealing function of sealing washer on the shock absorber cylinder and the functional decoupling who bears the yawing force, make the sealing washer only play sealed effect, and undertake the yawing force by guide structure, effectively avoid the sealing washer wearing and tearing, improve the life-span of shock absorber, and reduce the movement resistance of piston rod, promote whole car comfort level. Meanwhile, the guide structure is arranged on the upper portion of the cylinder barrel of the shock absorber through the mounting portion, the internal structure of the shock absorber and the arrangement form between the shock absorber and other parts do not need to be changed, the change amount of the vehicle suspension is small, the vehicle suspension can be realized for different vehicles, and the universality is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a prior art design of a shock absorber according to an embodiment of the present application.
Fig. 2 is a perspective view illustrating a guide structure and a shock absorber provided in an embodiment of the present application.
Fig. 3 is a schematic cross-sectional view illustrating a guide structure and a damper installed in cooperation according to an embodiment of the present application.
The reference numerals in the figures are denoted respectively by:
1-a piston rod, wherein the piston rod,
2-the rolling part is arranged on the upper surface of the roller,
21-rolling bearing, 211-outer ring, 212-rolling body, 213-cage,
22-rolling friction, 23-central shaft,
3-an installation part, wherein the installation part is provided with a mounting hole,
31-the first mounting plate or plates, and,
32-second mounting plate, 321-first curved side, 322-second curved side,
4-a cylinder barrel, wherein the cylinder barrel is provided with a cylinder barrel,
5-guiding the sealing ring.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms of orientation referred to in the embodiments of the present application, such as "upper", "lower", "side", and the like, are generally used with reference to the relative orientation between structures in the orientation shown in the drawings or the product being configured, and these terms of orientation are used only for the purpose of describing the structures and the relationships between the structures more clearly, and are not used for describing the absolute orientation. When the product is placed in different postures, the orientation may be changed, for example, "up" and "down" may be interchanged.
Unless defined otherwise, all technical terms used in the examples of the present application have the same meaning as commonly understood by one of ordinary skill in the art.
In order to make the technical solutions provided in the embodiments of the present application easier to understand, the basic structure of the shock absorber related to the present application will be described first.
The shock absorber that this application embodiment relates to includes cylinder, piston rod, piston and direction sealing washer.
When the vehicle runs on an uneven ground, the distance between the wheels of the vehicle and the frame can be changed continuously, so that the elastic element generates vibration, the state of the shock absorber is also switched between compression and stretching continuously, and the shock absorber is characterized in that a piston rod of the shock absorber drives a piston to reciprocate continuously in a cylinder barrel. In this process, the vibration damper is required to take up not only longitudinal forces but also lateral forces. In addition, the shock absorber is also required to bear lateral forces when the vehicle is turning, accelerating and decelerating.
Figure 1 shows a cross-sectional view of the upper portion of the cylinder of a prior art shock absorber. Referring to fig. 1, a guide seal 5 located in the upper part of the cylinder 4 of the shock absorber cooperates with the piston rod 1 to take up lateral forces. That is, the guide seal 5 performs a sealing function, and also functions to restrict the movement direction of the piston rod 1, thereby performing a guiding function.
Specifically, when the shock absorber bears the lateral force, the rod body of the piston rod 1 contacts with the guide sealing ring 5 at the upper part of the cylinder 4 to form a sliding friction pair. When the piston rod 1 reciprocates, the sliding friction pair brings resistance to the piston rod, so that the shock absorber cannot fully realize the shock absorbing function, and the comfort of passengers is reduced. Meanwhile, along with the continuous movement of the piston rod 1, the guide sealing ring 5 on the upper part of the cylinder barrel 4 is gradually abraded, the service lives of the guide sealing ring and the shock absorber are shortened, and the maintenance cost of the shock absorber and the vehicle suspension is improved.
The embodiment of the application provides a guide structure, and this guide structure can be with the guide function and the sealed function decoupling zero of direction sealing washer, makes the direction sealing washer only undertake sealed function, and undertakes the guide function by this guide structure, improves the life of direction sealing washer, and turns into rolling friction with sliding friction, reduces the motion resistance of piston rod.
In order to make the technical solutions and advantages of the present application clearer, the following will describe the embodiments of the present application in further detail with reference to the accompanying drawings.
In a first aspect, an embodiment of the present application provides a guide structure.
Fig. 2 is a perspective view illustrating a guide structure and a shock absorber provided in an embodiment of the present application.
Referring to fig. 2, the guide structure provided in the embodiment of the present application includes a rolling part 2 and a mounting part 3.
The rolling part 2 is suitable for contacting with the rod body of the piston rod 1 of the shock absorber to form rolling friction and rotates around the axis of the rolling part under the action of the rolling friction force when the piston rod 1 reciprocates.
The mounting portion 3 is connected to the rolling portion 2 and is adapted to be fixed to an upper portion of a cylinder 4 of the shock absorber.
The application provides a guide structure fixes on the cylinder upper portion of shock absorber through the installation department, need not to adjust the inner structure of shock absorber or the arrangement form between shock absorber and other parts, to different vehicle homoenergetic realization, the commonality is higher. Meanwhile, the rolling part of the guide structure is suitable for being in contact with the rod body of the piston rod of the shock absorber to form rolling friction, and the piston rod rotates around the axis of the piston rod under the action of the rolling friction force when the piston rod reciprocates, so that the sliding friction force between the piston rod and the guide sealing ring can be effectively reduced, the service life of the guide sealing ring is prolonged, the motion resistance of the piston rod is reduced, the shock absorption function of the shock absorber is fully realized, and the comfort of the whole vehicle is improved.
Optionally, with continued reference to fig. 2, the rolling friction portion 22 is a portion where the rolling friction portion 2 and the piston rod 1 are in rolling friction, and a transverse contact line of the rolling friction portion 22 and the piston rod 1 is an arc shape with a protruding direction away from the piston rod 1.
In implementation, the transverse contact line of the rolling friction part 22 and the piston rod 1 is an arc shape with the protruding direction away from the piston rod 1, so that the contact area of the rolling friction part 22 and the piston rod 1 is larger, the guide structure bears more lateral force, and a better guide effect is realized.
Optionally, the radius of the arc is the same as the radius of the piston rod.
In implementation, the transverse contact line of the rolling friction part and the piston rod is arc-shaped, the radius of the arc is the same as that of the piston rod, the rolling friction part and the piston rod can be tightly attached, abrasion of the guide sealing ring is further reduced, meanwhile, the rolling friction part effectively bears lateral force in different directions, and a better guide function is achieved.
In practical application of the present application, the rolling portion of the guiding structure may be any structure that can contact with the rod body of the piston rod to form rolling friction and rotate around its own axis under the action of the rolling friction when the piston rod reciprocates.
Here, two specific implementations of the rolling portion will be described to make the implementation of the rolling portion more clear to those skilled in the art.
First, the rolling part 2 is a roller structure.
Referring to fig. 2 and 3, the roller structure is rotatable about its central shaft 23, and the mounting portion 3 is connected to the central shaft 23 of the roller structure.
In implementation, the rolling part may be a roller structure, the roller structure may rotate around a central shaft rod, and the central shaft rod is connected with the mounting part, so that the roller structure is mounted on the upper part of the cylinder, forms rolling friction with the rod body of the piston rod, and rotates around the axis of the roller structure under the action of the rolling friction along with the reciprocating motion of the piston rod, thereby realizing the conversion of the sliding friction between the piston rod and the guide seal ring into the rolling friction between the piston rod and the roller structure. Through installing this gyro wheel structure, can effectively reduce the motion resistance of the piston rod of shock absorber, improve the damping effect of shock absorber, improve whole car travelling comfort.
Secondly, referring to fig. 2 and 3, the rolling part 2 includes two rolling bearings 21, a rolling friction part 22, and a central shaft 23.
The two rolling bearings 21 are respectively attached to both ends of the rolling friction portion 22.
The center shaft rod 23 passes through the axes of the two rolling bearings 21 and the rolling friction part 22, and is connected to the two rolling bearing parts 21, and both ends of the center shaft rod 23 are connected to the mounting parts 3, respectively.
In this embodiment, the rolling part may include two rolling bearings, a rolling friction part and a central shaft rod, the two rolling bearings are respectively installed at two ends of the rolling friction part, and the central shaft rod passes through the axes of the two rolling bearings and the rolling friction part and is connected with the two rolling bearing parts, so that the two rolling bearings provide support for the rolling friction part and ensure normal operation of the rolling part.
It should be noted that the rolling friction portion does not have a direct connection or contact relationship with the central shaft.
In practical application, when the rolling friction part rotates around the central shaft rod under the action of the rolling friction force between the rolling friction part and the piston rod, the two rolling bearings are driven to rotate around the central shaft rod. For the roller structure, the two rolling bearings can further reduce the friction force between the rolling part and the central shaft rod, so that the guide structure provided by the embodiment can effectively reduce the motion resistance of the piston rod while realizing the guide function, and the vibration reduction effect of the vibration absorber is improved.
Alternatively, each rolling bearing 21 includes an outer ring 211, rolling bodies 212, and a cage 213.
The rolling elements 212 are uniformly distributed between the central shaft 23 and the outer ring 211 by the cage 213, and are in rolling friction with the outer ring 211.
The outer race 211 is connected to the rolling friction portion 22.
In an implementation, each rolling bearing comprises an outer ring, rolling bodies and a cage. The retainer is a structure positioned on the outer wall of the shaft body of the central shaft and used for limiting the position of the rolling body. The rolling bodies are uniformly distributed between the central shaft rod and the outer ring under the limiting action of the retainer and are in rolling friction with the outer ring, so that the sliding friction between the outer ring and the central shaft rod is converted into the rolling friction.
Alternatively, the rolling elements may be either balls or rollers. When the height of the rolling bearing is small, balls may be selected as the rolling bodies. When the height of the rolling bearing is large, balls may be selected as the rolling bodies.
In practical applications, the present embodiment provides a guide structure in which rolling bearings at both ends of a rolling part include an outer ring, rolling elements, and a cage. The rolling element can convert the sliding friction of the outer ring and the central shaft rod into rolling friction, and the rolling resistance of the rolling part is reduced, so that the rolling resistance of the piston rod is reduced, and the vibration reduction effect of the vehicle vibration absorber is further improved.
Alternatively, the central shaft 23 inside the rolling section may also be located only at the axial center of the rolling bearing.
Specifically, in this embodiment, the central shaft rod 23 has two sections, which are respectively located at the axle centers of the two rolling bearings. Accordingly, the rolling friction portion may be a cylindrical body that is connected only to the outer ring of the rolling bearing 21 and has a hollow inside. In this embodiment, the rolling bearings at the two ends of the rolling friction part can also provide support for the rolling friction part, so as to realize the guiding function of the guiding structure.
On the basis of the above embodiments, those skilled in the art can obtain more guiding structures of different implementations, and these guiding structures all belong to the scope of protection claimed by the embodiments of the present application.
Alternatively, when the rolling part 2 includes two rolling bearings 21, a rolling friction part 22, and a central shaft 23, an integrated body of the central shaft, rolling bearing basic parts, and the rolling friction part may be formed in an integrally molded manner. Finally, other parts of the rolling bearing are installed together with the integrated body, and two ends of a central shaft rod of the rolling part are respectively connected with the installation part, so that the guide structure provided by the embodiment of the application is realized.
Or, the rolling friction part is sleeved on the central shaft rod in advance, components such as an outer ring, a rolling body and a retainer of the rolling bearing are prepared respectively, the retainer, the rolling body and the outer ring are assembled on the central shaft rod, and the rolling friction part and the outer ring of the rolling bearing are connected together in a welding mode and the like, so that the guide structure provided by the embodiment of the application is realized.
Alternatively, when the central shaft rod 23 inside the rolling part is only located at the axle center of the rolling bearing, the rolling bearings located at the two ends of the rolling friction part and the integrated body of the central shaft rod can be prepared respectively, and then the rolling friction part and the outer ring of the rolling bearing are connected together by welding or the like, so as to realize the guiding structure of the type.
It should be noted that, a person skilled in the art may choose the implementation manner and the preparation manner of the rolling part according to the actual circumstances, and the above embodiments do not limit the scope of protection of the present application.
Alternatively, each rolling bearing 21 may further include an outer ring 211, rolling bodies 212, a cage 213, and an inner ring (not shown in the drawings). Wherein, the central shaft rod passes through the inner ring and is fixedly connected with the inner ring. In the embodiment, the rolling bearing in the prior art can be directly installed with the central shaft rod, so that the guide structure can be realized.
Optionally, the length of the guiding structure is greater than a preset value. The length direction of the guide structure refers to the axial direction of the central shaft rod, and the preset value is determined according to the radius of the piston rod of the shock absorber, the stress analysis result of the shock absorber and the like, for example, the preset value can correspond to a length value required by the guide structure to effectively bear a lateral force (for example, 80% of the lateral force).
Alternatively, with continued reference to fig. 2, the mounting portion 3 includes a first mounting plate 31 and a second mounting plate 32, the first mounting plate 31 and the second mounting plate 32 being connected to both ends of the central shaft 23 of the rolling portion 2, respectively.
In implementation, the installation department includes first mounting panel and second mounting panel, and first mounting panel and second mounting panel link to each other with the both ends of center pin pole respectively. The first mounting plate and the second mounting plate are fixed on the upper portion of the cylinder barrel respectively, so that two ends of the rolling portion can be fixed, the rolling portion can bear lateral force, the motion resistance of the piston rod is reduced, and the vibration reduction effect of the vibration absorber is improved.
Optionally, the first mounting plate 31 and the second mounting plate 32 may be made of metal, and the first mounting plate 31 and the second mounting plate 32 are fixed to the upper portion of the cylinder respectively by welding.
The shape of the first mounting plate and the second mounting plate can be designed by the person skilled in the art according to the actual situation. Here, a shape design of the mounting plate is described as an example.
Optionally, the upper portions of the first mounting plate 31 and the second mounting plate 32 are respectively connected with two ends of the central shaft, the lower portions of the first mounting plate 31 and the second mounting plate 32 are fixed on the outer wall of the cylinder barrel in a welding manner, and the first mounting plate 31 and the second mounting plate 32 are symmetrically arranged and have the same shape. The following description will be given by taking only the second mounting plate 32 as an example.
Referring to fig. 2, the upper edge of the second mounting plate 32 is arc-shaped with a radius equal to or less than the radius of the central shaft 23. The upper portion of the second mounting plate 32 is parallel to the cross section of the central shaft and is connected to the end surface of the central shaft at the end far from the rolling friction portion, for example, by welding. The upper portion through setting up the second mounting panel is connected with the center pin pole with the direction of perpendicular center pin pole, can guarantee that this guide structure is less in the shared volume on the axial direction of roll portion, avoids this guide structure to cause great influence to the arrangement of suspension.
Optionally, the second mounting plate 32 has a first curved side 321 and a second curved side 322, respectively.
The first arc-shaped side 321 is a side located at the middle of the second mounting plate 32, which is a side close to the piston rod in the assembled state of the guide structure and the shock absorber. The first arc-shaped side 321 is located at the upper part and the lower part of the rolling part of the cylinder, and the protruding direction of the arc is a direction away from the upper surface of the cylinder. By arranging the second mounting plate 32 with the first arc-shaped side 321 in the middle, the rolling part can be ensured to be effectively contacted with the piston rod and effectively bear lateral force under the condition that the occupied volume of the rolling part is small.
The second arc-shaped side 322 is a side located on a lower portion of the second mounting plate 32, on a side away from the piston rod in an assembled state of the guide structure and the shock absorber. The side edge of the side of the second mounting plate 32, which is located at the lower part of the second mounting plate and is close to the piston rod in the assembled state of the guide structure and the shock absorber, is parallel to the central axis of the cylinder tube of the shock absorber, and is used for being fixed with the outer wall of the cylinder tube by welding or the like, and is referred to as a fixed side edge. The lower end of the first curved side 322 meets the fixed side at a point. One side of the lower portion of the second mounting plate, which is far away from the piston rod, is set to be a first arc-shaped side edge, so that the occupied volume of the guide structure can be minimized to the greatest extent, and the influence of the guide structure on the arrangement relation between the shock absorber and other components is avoided to the greatest extent.
To sum up, the guide structure that this application embodiment provided installs on shock absorber cylinder upper portion through the installation department, and the pole body contact formation rolling friction of roll portion and piston rod can effectively avoid the motion resistance that the direction sealing washer led to the fact the piston rod from the source, makes shock absorber full play damping effect. Meanwhile, the guide structure occupies a small volume, can be directly installed on the basis of the existing suspension system, cannot greatly influence the installation of the shock absorber and other parts, and has high universality.
In a second aspect, the embodiment of the present application further provides a vehicle suspension, in which the shock absorber of the vehicle suspension is provided with the guide structure as described above.
The guide structure can effectively bear lateral force, reduce the motion resistance of the piston rod of the shock absorber, fully exert the shock absorption function of the shock absorber and reduce the suspension hysteresis, so that the vehicle suspension provided with the guide structure has better shock absorption performance. Meanwhile, compared with the mode that the friction between the piston rod of the shock absorber and the guide sealing ring is reduced by adjusting the internal structure of the shock absorber or the arrangement form of the shock absorber and other components in the prior art, the vehicle suspension provided by the embodiment of the application only needs to arrange the guide structure on the upper part of the cylinder barrel of the shock absorber on the basis of the existing suspension system, so that the friction between the piston rod and the guide sealing ring can be effectively reduced, the motion resistance of the piston rod is reduced, and the optimization of the shock absorption performance of the suspension is realized at lower cost.
In a third aspect, embodiments of the present application further provide a vehicle, a suspension of which has the guiding structure as described above.
The utility model provides a be provided with as above in the suspension of vehicle the guide structure, this guide structure can effectively undertake the yawing force, reduces the motion resistance of the piston rod of shock absorber, improves the damping performance of suspension to the whole car travelling comfort that makes the vehicle that has this guide structure obtains promoting.
Optionally, the guide structure is located between a wheel of the vehicle and the shock absorber.
According to the force analysis of the Macpherson front suspension, when a vehicle runs on uneven ground, the wheel moves up and down relative to the vehicle body, and at the moment, the direction of a lateral force applied to a piston rod of the shock absorber is from the upper end of the shock absorber to the upper side of the wheel. In the embodiment, the guide structure is arranged between the wheels of the vehicle and the shock absorber, so that more lateral force can be borne by the guide structure, the motion resistance of the piston rod is reduced, and the shock absorption effect of the shock absorber is improved. Meanwhile, the guide structure can effectively avoid continuous abrasion of the guide sealing ring, and the service life of the guide sealing ring and the shock absorber is prolonged.
It should be noted that, in the embodiment of the present application, only the direction of the lateral force applied to the piston rod of the shock absorber when the vehicle runs on a rough road surface is considered, and the installation position of the guide structure is set according to the direction. In practice, when the vehicle accelerates, decelerates or turns, the shock absorber of the vehicle suspension may be subjected to lateral forces in different directions, and the guide structure may be arranged in different orientations in order to effectively realize the function of guiding the piston rod. For example, when the vehicle accelerates or decelerates, the direction of the lateral force received by the shock absorber may change to be parallel to the plane in which the front and rear wheels lie, and therefore the orientation of the guide structure may be adjusted so that the guide structure can take up the lateral force in the corresponding direction.
In some embodiments, the number of the guide structures can be adjusted, so that the guide structures are arranged in the directions which are possibly required to bear the lateral force, the motion resistance of the piston rod is effectively reduced, and the vibration reduction effect of the vibration absorber is improved.
In summary, the vehicle provided by the embodiment of the application has the suspension provided with the guide structure. The guide structure can convert the sliding friction between the piston rod of the shock absorber and the guide sealing ring into the sliding friction between the rolling part and the piston rod, effectively reduces the motion resistance of the piston rod of the shock absorber, and enables the overall comfort of a vehicle with the guide structure to be improved remarkably.
In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the present application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A guide structure, characterized in that the guide structure comprises a rolling part (2) and a mounting part (3),
the rolling part (2) is suitable for being in contact with a rod body of a piston rod (1) of the shock absorber to form rolling friction, and rotates around the axis of the rolling part under the action of the rolling friction when the piston rod (1) reciprocates;
the mounting part (3) is connected with the rolling part (2) and is suitable for being fixed on the upper part of a cylinder barrel (4) of the shock absorber.
2. The guide structure according to claim 1, wherein the rolling friction portion (22) is a portion where the rolling friction portion (2) is in rolling friction with the piston rod (1), and a transverse contact line of the rolling friction portion (22) with the piston rod (1) is an arc shape having a projecting direction away from the piston rod (1).
3. The guide structure of claim 2, wherein the radius of the arc is the same as the radius of the piston rod.
4. Guide structure according to claim 1, wherein the rolling part (2) is a roller structure rotatable around its central shaft (23), the mounting part (3) being connected with the central shaft (23) of the roller structure.
5. Guide structure according to claim 1, characterized in that the rolling part (2) comprises two rolling bearings (21), a rolling friction part (22) and a central shaft (23),
the two rolling bearings (21) are respectively arranged at two ends of the rolling friction part (22);
the central shaft rod (23) penetrates through the axle centers of the two rolling bearings (21) and the rolling friction part (22) and is connected with the two rolling bearing parts (21), and two ends of the central shaft rod (23) are respectively connected with the mounting part (3).
6. Guide structure according to claim 5, characterized in that each rolling bearing (21) comprises an outer ring (211), rolling bodies (212) and a cage (213),
the rolling bodies (212) are uniformly distributed between the central shaft rod (23) and the outer ring (211) through the retainer (213) and are in rolling friction with the outer ring (211);
the outer ring (211) is connected to the rolling friction part (22).
7. Guide structure according to claim 4 or 5, characterized in that the mounting part (3) comprises a first mounting plate (31) and a second mounting plate (32), the first mounting plate (31) and the second mounting plate (32) being connected to the two ends of the central shaft (23) of the rolling part (2), respectively.
8. A vehicle suspension characterized in that a shock absorber of the vehicle suspension is provided with a guide structure as claimed in any one of claims 1 to 7.
9. A vehicle, characterized in that a suspension of the vehicle has a guide structure according to any one of claims 1 to 7.
10. The vehicle of claim 9, characterized in that the guide structure is located between a wheel of the vehicle and a shock absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560417.5A CN112622550B (en) | 2020-12-25 | 2020-12-25 | Guide structure, vehicle suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560417.5A CN112622550B (en) | 2020-12-25 | 2020-12-25 | Guide structure, vehicle suspension and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112622550A true CN112622550A (en) | 2021-04-09 |
| CN112622550B CN112622550B (en) | 2022-08-12 |
Family
ID=75324786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011560417.5A Active CN112622550B (en) | 2020-12-25 | 2020-12-25 | Guide structure, vehicle suspension and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112622550B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954696A (en) * | 2022-06-14 | 2022-08-30 | 湖南泰豪系统工程研究院有限公司 | Vehicle-mounted shelter falling-back guiding and positioning mechanism |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050006868A1 (en) * | 2003-07-07 | 2005-01-13 | Ziech James F. | Control rod suspension with outboard shock |
| CN101029669A (en) * | 2007-03-31 | 2007-09-05 | 奇瑞汽车有限公司 | Variable damping shock absorber |
| CN101519026A (en) * | 2009-04-10 | 2009-09-02 | 重庆大学 | Vibration-damping and locking integrating device of chassis suspension fork of vehicle |
| EP2135756A1 (en) * | 2008-06-18 | 2009-12-23 | Audi AG | Suspension strut for wheel suspensions in motor vehicles |
| CN201545064U (en) * | 2009-10-30 | 2010-08-11 | 奇瑞汽车股份有限公司 | Front part structure of vehicle body |
| CN202656822U (en) * | 2012-04-20 | 2013-01-09 | 芜湖天佑汽车技术有限公司 | Novel traveler assembly for Macpherson suspension |
| CN102910045A (en) * | 2012-09-29 | 2013-02-06 | 万向钱潮股份有限公司 | Rectilinear translation type hanger bracket of integral type ball spline pair |
| CN102941787A (en) * | 2012-09-29 | 2013-02-27 | 万向钱潮股份有限公司 | Extension-type guide rod for integral ball spline pair |
| CN105216884A (en) * | 2015-11-10 | 2016-01-06 | 武汉理工大学 | A kind of slider guide type cab rear suspender |
| CN206120582U (en) * | 2016-05-23 | 2017-04-26 | 吴美萍 | Safe and stable stretcher for emergency ward |
| CN107296017A (en) * | 2017-06-20 | 2017-10-27 | 安徽省安国渔具有限公司 | It is a kind of to be easy to collect the slidingtype fishery for salvaging thing |
| US20180087595A1 (en) * | 2016-09-29 | 2018-03-29 | Dadco, Inc. | Overtravel relief assembly for a gas spring |
| CN108382459A (en) * | 2018-03-22 | 2018-08-10 | 清华大学 | A kind of front suspension knuckle assembly system |
| CN207902073U (en) * | 2018-01-02 | 2018-09-25 | 北京汽车股份有限公司 | Damper upper support structure and vehicle |
| CN111169245A (en) * | 2020-01-20 | 2020-05-19 | 王永生 | Independent universal moving wheel system |
| CN111559236A (en) * | 2020-05-26 | 2020-08-21 | 奇瑞商用车（安徽）有限公司 | Suspension mounting structure with guiding, positioning and compensating functions |
-
2020
- 2020-12-25 CN CN202011560417.5A patent/CN112622550B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050006868A1 (en) * | 2003-07-07 | 2005-01-13 | Ziech James F. | Control rod suspension with outboard shock |
| CN101029669A (en) * | 2007-03-31 | 2007-09-05 | 奇瑞汽车有限公司 | Variable damping shock absorber |
| EP2135756A1 (en) * | 2008-06-18 | 2009-12-23 | Audi AG | Suspension strut for wheel suspensions in motor vehicles |
| CN101519026A (en) * | 2009-04-10 | 2009-09-02 | 重庆大学 | Vibration-damping and locking integrating device of chassis suspension fork of vehicle |
| CN201545064U (en) * | 2009-10-30 | 2010-08-11 | 奇瑞汽车股份有限公司 | Front part structure of vehicle body |
| CN202656822U (en) * | 2012-04-20 | 2013-01-09 | 芜湖天佑汽车技术有限公司 | Novel traveler assembly for Macpherson suspension |
| CN102910045A (en) * | 2012-09-29 | 2013-02-06 | 万向钱潮股份有限公司 | Rectilinear translation type hanger bracket of integral type ball spline pair |
| CN102941787A (en) * | 2012-09-29 | 2013-02-27 | 万向钱潮股份有限公司 | Extension-type guide rod for integral ball spline pair |
| CN105216884A (en) * | 2015-11-10 | 2016-01-06 | 武汉理工大学 | A kind of slider guide type cab rear suspender |
| CN206120582U (en) * | 2016-05-23 | 2017-04-26 | 吴美萍 | Safe and stable stretcher for emergency ward |
| US20180087595A1 (en) * | 2016-09-29 | 2018-03-29 | Dadco, Inc. | Overtravel relief assembly for a gas spring |
| CN110050141A (en) * | 2016-09-29 | 2019-07-23 | 达德科公司 | The excess of stroke for gas spring discharges component |
| CN107296017A (en) * | 2017-06-20 | 2017-10-27 | 安徽省安国渔具有限公司 | It is a kind of to be easy to collect the slidingtype fishery for salvaging thing |
| CN207902073U (en) * | 2018-01-02 | 2018-09-25 | 北京汽车股份有限公司 | Damper upper support structure and vehicle |
| CN108382459A (en) * | 2018-03-22 | 2018-08-10 | 清华大学 | A kind of front suspension knuckle assembly system |
| CN111169245A (en) * | 2020-01-20 | 2020-05-19 | 王永生 | Independent universal moving wheel system |
| CN111559236A (en) * | 2020-05-26 | 2020-08-21 | 奇瑞商用车（安徽）有限公司 | Suspension mounting structure with guiding, positioning and compensating functions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954696A (en) * | 2022-06-14 | 2022-08-30 | 湖南泰豪系统工程研究院有限公司 | Vehicle-mounted shelter falling-back guiding and positioning mechanism |
| CN114954696B (en) * | 2022-06-14 | 2023-12-12 | 湖南泰豪系统工程研究院有限公司 | Vehicle-mounted shelter fall-back guiding and positioning mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112622550B (en) | 2022-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6968931B2 (en) | Shock absorber with guiding system | |
| US10981424B2 (en) | Suspension control arm with integrated resilient element | |
| CN103185068A (en) | Rubber metal bearing, trapezoid support and wheel strut for vehicle suspension | |
| CN112622550B (en) | Guide structure, vehicle suspension and vehicle | |
| CN102910045A (en) | Rectilinear translation type hanger bracket of integral type ball spline pair | |
| US4883288A (en) | Suspension strut with side load support | |
| CN212979852U (en) | Anti-torsion pull rod structure and automobile | |
| CN111993851A (en) | Automobile balance suspension | |
| CN217515301U (en) | All-terrain vehicle | |
| CN217435925U (en) | All-terrain vehicle | |
| US20110148066A1 (en) | Vehicle suspension, steering, damping and anti-roll system with linear wheel travel | |
| CN116118408A (en) | Bearing type suspension system and automobile | |
| JP2015123953A (en) | Axle radius rod attachment structure | |
| CN210760117U (en) | Five-link rear suspension and vehicle structure with same | |
| CN113968256A (en) | Bogie and rail vehicle | |
| JP2015123952A (en) | Trunnion bracket | |
| CN113968255B (en) | Bogie and rail vehicle | |
| CN110641566A (en) | Tracked vehicle suspension assembly and tracked vehicle | |
| CN112721563A (en) | Maintenance-free disconnected balance shaft assembly and balance suspension system | |
| CN217435928U (en) | All-terrain vehicle | |
| CN217515300U (en) | All-terrain vehicle | |
| CN212555720U (en) | Automobile balance suspension | |
| CN221023176U (en) | Automobile suspension | |
| KR102580457B1 (en) | an control apparatus of position for a vehicle | |
| CN220129901U (en) | Automobile damping chassis suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |