CN217374802U

CN217374802U - Damper and have its scooter

Info

Publication number: CN217374802U
Application number: CN202220884147.1U
Authority: CN
Inventors: 王猛; 许志友
Original assignee: Brightway Innovation Intelligent Technology Suzhou Co Ltd
Current assignee: Brightway Innovation Intelligent Technology Suzhou Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-06
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a damper and have its scooter, include: the rocker arm comprises a rocker arm main body and a mounting cylinder positioned at the end part of the rocker arm main body; the damping shaft penetrates through the mounting cylinder along the through direction of the mounting cylinder; the buffer rods penetrate through the mounting cylinder along the through direction of the mounting cylinder and are uniformly arranged on the outer peripheral side of the damping shaft in a surrounding manner; the mounting cylinder and the damping shaft are matched to extrude the buffer rod, and the buffer rod is driven to extend in the direction perpendicular to the extrusion direction. The damping mechanism of the utility model has compact structure, does not need larger movement stroke, and effectively reduces the installation space; the buffer rod has a large rigidity change interval, and can meet the requirements of different road surfaces.

Description

Damper and have its scooter

Technical Field

The utility model relates to a scooter, concretely relates to damper and have its scooter.

Background

Manpower or electric scooter because the tire size is less, and some wheels adopt solid child structure, make the shock attenuation effect of tire unobvious, and it is more violent to shake on the road surface of jolting. To improve comfort, a shock absorbing mechanism is typically provided between the wheel assembly and the frame. In the prior art, adopt spring damper usually, but spring damper receives its structural limitation, needs great movement stroke, consequently needs great installation space, and the development of scooter is more and more tending towards the miniaturization, and spring damper hardly satisfies its demand. In addition, spring damper produces the resilience force through compression spring, but the spring is tired easily after long-time the use, and the number of times of use is many, and the shock attenuation effect is just not good, and the spring exposes moreover, rusts easily after blowing and drenching with rain and damages, has the risk of driving.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that a damper and have its scooter is provided, damper installation space is little, and the damping performance is high.

In order to solve the technical problem, the utility model provides a damping mechanism, include: the rocker arm comprises a rocker arm main body and a mounting cylinder positioned at the end part of the rocker arm main body; the shock absorption shaft penetrates through the mounting cylinder along the through direction of the mounting cylinder; the buffer rods penetrate through the mounting cylinder along the through direction of the mounting cylinder and are uniformly arranged on the outer peripheral side of the damping shaft in a surrounding manner; the mounting cylinder and the damping shaft are matched to extrude the buffer rod, and the buffer rod is driven to extend in the direction perpendicular to the extrusion direction.

Furthermore, the shock absorption shaft comprises a shaft body and an installation sleeve sleeved outside the shaft body, and the installation sleeve is provided with a plurality of second abutting surfaces in one-to-one correspondence with the buffer rods.

Furthermore, the second abutting surface is concavely arranged towards the direction far away from the buffer rod to form an installation groove, and the installation groove is matched with the outer surface of the buffer rod and is used for positioning the buffer rod.

Furthermore, the mounting cylinder comprises a mounting hole, and a plurality of first abutting surfaces in one-to-one correspondence with the buffer rods are arranged in the mounting hole.

Furthermore, the mounting hole is formed by enclosing a plurality of inner faces, the number of the inner faces is consistent with that of the buffer rods, and the first abutting face is connected between every two adjacent inner faces.

Further, the first abutting surface is a plane.

Further, in a direction perpendicular to the pressing direction, a pressing gap is provided between the buffer rod and the mounting cylinder.

Further, the buffer rod is an arc rod and is made of elastic plastic or rubber.

Furthermore, the rocker arm further comprises two cover plate assemblies respectively covering two sides of the installation cylinder in the penetrating direction, and the damping shaft is rotatably supported on the cover plate assemblies and extends to the outside from the cover plate assemblies.

Furthermore, the utility model also provides a scooter, include: the aforementioned damper mechanism; the wheel assembly is connected with the damping shaft; and the frame is connected with the rocker arm main body.

The technical scheme provided by the utility model, following advantage has: the utility model discloses a set up rocking arm, damping shaft and buffering stick, the rocking arm is equipped with the installation section of thick bamboo, the damping shaft is worn to establish in the installation section of thick bamboo, a plurality of buffering sticks evenly enclose and establish in the periphery side of damping shaft, and be extruded between damping shaft and installation section of thick bamboo, thereby spacing damping shaft, buffering stick have great rigidity change interval, when the damping shaft receives vibrations, the damping shaft produces the rotation trend, and extrude the buffering stick, make it take place to deform, thereby produce the resilience force, reach the absorbing effect; after the buffer rod is arranged between the mounting cylinder and the damping shaft, the buffer rod extends in the direction vertical to the extrusion direction, so that the rigidity can be improved, the rigidity change interval in the direction vertical to the extrusion direction is increased, and the requirements of different road surfaces are met; the buffer rod is positioned in the mounting cylinder, so that the buffer rod is prevented from being exposed, and the service life of the buffer rod is prolonged; furthermore, the utility model discloses damper compact structure need not great movement stroke, has effectively reduced installation space.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the middle damping mechanism of the present invention.

Fig. 2 is an exploded schematic view of the middle damping mechanism of the present invention.

Fig. 3 is a schematic sectional view of the middle damping mechanism of the present invention.

Fig. 4 is a schematic structural view of the middle shock absorbing shaft of the present invention.

Fig. 5 is a schematic structural view of the middle scooter of the present invention.

Description of reference numerals:

100. a rocker arm; 10. a connecting portion; 11. a rocker arm body; 12. mounting the cylinder; 121. mounting holes; 122. a first abutting surface; 123. an inner face; 13. a cover plate assembly; 131. a cover plate; 132. a bearing; 133. avoiding holes; 134. a threaded fastener; 200. a shock-absorbing shaft; 21. a shaft body; 22. installing a sleeve; 221. a second abutting surface; 300. a buffer rod; 400. a wheel assembly; 500. a vehicle frame.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

Referring to fig. 1 and 5, a shock absorbing mechanism according to a preferred embodiment of the present invention is applied to a scooter in a schematic view. Indeed, in other scenarios, the shock absorbing mechanism may be applied to other types of ride instead vehicles. The damping mechanism is used for being received between the wheel assembly 400 and the frame 500 of the scooter so as to buffer and damp the vibration received by the wheel assembly 400 and ensure the stability of the frame 500.

Further, referring to fig. 1 to 4, the shock absorbing mechanism includes a swing arm 100, a shock absorbing shaft 200 mounted on the swing arm 100, and a buffer rod 300, wherein the swing arm 100 is used for connecting with a frame 500 of the scooter, the shock absorbing shaft 200 is used for connecting with a wheel assembly 400 of the scooter, and the buffer rod 300 is used for buffering the shock transmitted from the wheel assembly 400 to the shock absorbing shaft 200 so as to absorb the swing arm 100, thereby preventing the frame 500 from generating large shock and impact due to the driving of the wheel assembly 400 on the road surface.

Specifically, the rocker arm 100 includes a rocker arm body 11 and a mounting tube 12 at an end of the rocker arm body 11, the mounting tube 12 being used to mount the shock absorbing shaft 200 and the cushion rod 300. The end of the rocker arm body 11 remote from the mounting tube 12 is formed with a connecting portion 10, and the connecting portion 10 is used for connecting with the vehicle frame 500.

The mounting cylinder 12 includes a mounting hole 121 that receives the damper shaft 200 and the cushion rod 300, and the mounting hole 121 has a first abutting surface 122 for abutting against the cushion rod 300. The shock absorbing shaft 200 is inserted into the mounting hole 121 along the penetrating direction of the mounting hole 121, and a plurality of the shock absorbing rods 300 are inserted into the mounting hole 121 along the penetrating direction of the mounting hole 121 and uniformly surround the outer circumferential side of the shock absorbing shaft 200. Accordingly, there are a plurality of first abutting surfaces 122, and the first abutting surfaces correspond to the buffer rods 300 one by one. The mounting cylinder 12 and the shock-absorbing shaft 200 cooperate to extrude the buffer rods 300 and drive the buffer rods 300 to extend in a direction perpendicular to the extrusion direction, so that the shock-absorbing shaft 200 and the buffer rods 300 are fixedly mounted in the mounting cylinder 12. The first abutting surface 122 is preferably a plane to reduce the blocking of the buffer rod 300, thereby increasing the stiffness deformation range of the buffer rod 300.

In one embodiment, in order to improve the supporting strength of the mounting tube 12, the mounting hole 121 is formed by enclosing a plurality of inner surfaces 123, the number of the inner surfaces 123 is equal to the number of the buffer rods 300, a first abutting surface 122 is connected between two adjacent inner surfaces 123, and the first abutting surface 122 can support the mounting hole 121. Indeed, in other embodiments, the first abutting surface 122 may be eliminated, and the buffer rod 300 may be directly disposed on the inner surface 123.

Preferably, in the direction perpendicular to the extrusion direction, there is an extrusion gap between the buffer rod 300 and the mounting cylinder 12 to ensure that the buffer rod 300 has a large rigidity deformation interval, and at the same time, it is also suitable for replacing buffer rods 300 with different sizes, so that the damping rigidity of the assembly can be conveniently changed through characteristic adjustment, and the adaptability is improved.

By adopting the structure, the damping mechanism has compact structure, does not need larger movement stroke, and effectively reduces the installation space; buffering stick 300 has great rigidity change interval, and when the damping axle 200 received vibrations, damping axle 200 produced rotatory trend to extrude buffering stick 300, make it take place deformation, thereby produce the resilience force, reach absorbing effect, and buffering stick 300 is located installation section of thick bamboo 12, has avoided buffering stick 300 to expose, has improved buffering stick 300's life. In addition, the buffer rod 300 extends in the direction perpendicular to the extrusion direction, so that the rigidity can be improved, the rigidity change interval in the direction perpendicular to the extrusion direction is increased, and different road surface requirements are met.

In addition, the swing arm 100 further includes two cover assemblies 13 respectively covering both sides of the mounting cylinder 12 in the penetrating direction, and the shock-absorbing shaft 200 is rotatably supported on the cover assemblies 13 and has its end portion extended from the cover assemblies 13 to the outside.

The cover plate assembly 13 includes a cover plate 131 fixedly coupled to the mounting cylinder 12 and a bearing 132 mounted on the cover plate 131. A threaded fastener 134 is arranged between the cover plate 131 and the mounting cylinder 12 to realize fixed connection; or, the cover plate 131 and the mounting barrel 12 are both provided with a connecting structure to realize fixed connection, and the connecting structure may be a clamping structure or a threaded connecting structure. The cover plate 131 includes an avoiding hole 133 formed along a penetrating direction of the mounting cylinder 12, an outer ring of the bearing 132 is fixed to the avoiding hole 133, the damping shaft 200 is engaged with an inner ring of the bearing 132, and the damping shaft 200 may be supported by the cover plate assembly 13 to generate a rotation tendency.

Through setting up apron subassembly 13, it can support and fix a position damping axle 200 to in improving equipment precision and reliability, and also can seal the inside of an installation section of thick bamboo 12, thereby protection damping axle 200 and buffer rod 300 improve damper's shock attenuation life-span.

Further, the shock absorbing shaft 200 includes a shaft body 21 and a mounting sleeve 22 disposed outside the shaft body 21. The axle body 21 extends from both ends thereof to form the mounting tube 12 for connection with the wheel assembly 400. The mounting sleeve 22 has a plurality of second abutting surfaces 221 corresponding to the buffer rods 300 one by one, so as to abut against the plurality of buffer rods 300 respectively. Preferably, the second abutting surface 221 is recessed towards a direction away from the buffer rod 300 to form a mounting groove, and the mounting groove is adapted to the outer surface of the buffer rod 300, so that the buffer rod 300 can be positioned and the buffer rod 300 can be more reliably pressed when the shock absorbing shaft 200 is impacted. The second abutting surface 221 is disposed opposite to the first abutting surface 122 to cooperate with the extrusion buffer rod 300.

Further, the buffer rod 300 is an arc-shaped rod and made of resilient plastic or rubber, and when the buffer rod 300 is compressed, it can be well fixed between the mounting cylinder 12 and the shock-absorbing shaft 200. The bumper 300 is specifically a polyurethane rod, and has excellent impact resistance and stability to improve the service life. In the present embodiment, the specific number of the buffer rods 300 is four, and indeed, in other embodiments, the number of the buffer rods 300 may be increased or decreased as needed.

In addition, referring to fig. 5, the present invention further provides a scooter, comprising a wheel assembly 400, a frame 500 and the aforementioned damping mechanism, wherein the wheel assembly 400 is connected to two ends of the damping shaft 200, and the frame 500 is connected to the swing arm body 11.

The utility model discloses damper working process as follows: when the wheel assembly 400 receives the impact force, the impact force can be transmitted to the shock absorption shaft 200, the shock absorption shaft 200 is stressed to generate a rotating tendency, and then the shock absorption shaft is driven to extrude the buffer rod 300, the buffer rod 300 rebounds to the original position in a slow speed after the force is removed, the impact force transmitted to the buffer rod 300 is removed, the shock absorption and buffering effects are achieved, and the stability of the frame 500 is ensured.

To sum up, the utility model adopts the rocker arm to cooperate with the damping shaft and the buffer rod, so that the whole damping mechanism has a larger rigidity deformation interval, and when the damping shaft is in a condition of low angle stroke, the buffer rod has smaller rigidity, thereby meeting the shock-absorbing effect of the conventional road surface; when the shock absorption shaft is in a condition of severe jolt and the angle stroke of the shock absorption shaft is large, the motion of the buffer rod is blocked, and the rigidity is increased, so that the shock absorption effect of the obstacle road surface is met, and the influence on the comfort of the whole vehicle due to strong impact caused by bottom contact of the structure is avoided.

It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. Based on the embodiment of the utility model, ordinary technical personnel in this field can make other different forms of change or change under the prerequisite of not making creative work, all should belong to the scope of protection of the utility model.

Claims

1. A shock absorbing mechanism, comprising:

the rocker arm comprises a rocker arm main body and a mounting cylinder positioned at the end part of the rocker arm main body;

the shock absorption shaft penetrates through the mounting cylinder along the through direction of the mounting cylinder;

the buffer rods penetrate through the mounting cylinder along the through direction of the mounting cylinder and are uniformly arranged on the outer peripheral side of the damping shaft in a surrounding manner;

the mounting cylinder and the damping shaft are matched to extrude the buffer rod, and the buffer rod is driven to extend in the direction perpendicular to the extrusion direction.

2. The damping mechanism as claimed in claim 1, wherein the damping shaft includes a shaft body and a mounting sleeve disposed outside the shaft body, the mounting sleeve having a plurality of second abutting surfaces corresponding to the damping rods one to one.

3. The damper mechanism according to claim 2, wherein the second abutting surface is recessed in a direction away from the cushion rod to form a mounting groove adapted to an outer surface of the cushion rod for positioning the cushion rod.

4. The damping mechanism as claimed in claim 1 wherein the mounting cylinder includes a mounting hole having a plurality of first abutment surfaces therein in one-to-one correspondence with the damping rods.

5. The damping mechanism as claimed in claim 4 wherein the mounting hole is defined by a plurality of inner surfaces, the number of the inner surfaces is equal to the number of the damping rods, and the first abutting surface is connected between two adjacent inner surfaces.

6. The damper mechanism of claim 4, wherein the first abutment surface is planar.

7. The damper mechanism according to claim 1, wherein a compression gap is provided between the cushion rod and the mounting cylinder in a direction perpendicular to the compression direction.

8. The damper mechanism of claim 1, wherein the bumper bar is an arcuate bar and is made of resilient plastic or rubber.

9. The damper mechanism according to claim 1, wherein the rocker arm further includes two cover plate members respectively covering both sides in the penetrating direction of the mounting cylinder, and the damper shaft is rotatably supported on the cover plate members and extends from the cover plate members to the outside.

10. A scooter, comprising: a damper mechanism according to any one of claims 1 to 9;

a wheel assembly connected with the shock-absorbing shaft; and

and the frame is connected with the rocker arm main body.