CN219795953U - Shock absorber, bicycle and motorcycle - Google Patents

Abstract

The utility model relates to the technical field of accessories of riding vehicles, in particular to a shock absorber, a bicycle and a motorcycle, wherein the shock absorber comprises a shock absorption spring and a body, the body comprises an oil storage handle pipe, a piston rod and a dustproof buffer piece, the oil storage handle pipe is provided with a sliding opening, the piston rod penetrates through the sliding opening, the oil storage handle pipe is sleeved on the piston rod, the dustproof buffer piece comprises a dustproof part and a buffer part, the dustproof part covers the sliding opening, the buffer part is sleeved on the piston rod, the dustproof part and the buffer part are integrally formed, and the wall thickness of the buffer part is larger than that of the dustproof part; the damping spring is sleeved on the body. Through setting up dustproof bolster in the sliding port position of oil storage handle pipe, when the piston rod stroke is compressed to the limit, can receive the buffering of dustproof bolster at first, avoid the piston rod upper end to directly cause the extrusion to oil storage handle pipe upper end, and then avoid oil storage handle pipe upper end to be crowded bad oil leak.

Description

Shock absorber, bicycle and motorcycle

[ field of technology ]

The utility model relates to the technical field of riding vehicle accessories, in particular to a shock absorber, a bicycle and a motorcycle.

[ background Art ]

With the continuous development of the technology of the shared electric vehicle, the requirements on the safety, comfort and stability of the shared electric vehicle are also continuously improved. The shock absorber is used as an important component in the shared electric vehicle; has great influence on the performance.

The shock absorber generally comprises a piston rod and an oil storage handle tube, and the piston rod can move in a telescopic mode relative to the oil storage handle tube during operation of the shock absorber. When the shock absorber is excessively pressed, the stroke of the piston rod is compressed to the limit, and at the moment, the piston rod and the oil storage handle tube have interference risks, so that the upper end of the oil storage handle tube is extruded and damaged to leak oil.

[ utility model ]

The utility model provides a shock absorber, a bicycle, a motorcycle and an automobile, which are used for solving the problem that the upper end of an oil storage handle pipe of the existing shock absorber is easy to be crushed and damaged.

The utility model provides a shock absorber, which comprises a shock absorption spring and a body, wherein the body comprises an oil storage handle pipe, a piston rod and a dustproof buffer piece, a sliding opening is formed in the oil storage handle pipe, the piston rod penetrates through the sliding opening, the oil storage handle pipe is sleeved on the piston rod, the dustproof buffer piece comprises a dustproof part and a buffer part, the dustproof part covers the sliding opening, the buffer part is sleeved on the piston rod, the dustproof part and the buffer part are integrally formed, and the wall thickness of the buffer part is larger than that of the dustproof part; the damping spring is sleeved on the body.

Preferably, the buffer portion and the dust-proof portion are each made of an elastic body made of an elastic material.

Preferably, the buffer part is provided with a through hole, the piston rod penetrates through the through hole, and the inner wall of the through hole is provided with an annular groove.

Preferably, the buffer portion is provided in a truncated cone shape on a side away from the dust-proof portion.

Preferably, one end of the oil storage handle pipe, which is close to the dustproof buffer piece, is defined as a bearing end, and the diameter of the buffer part is smaller than or equal to the diameter of the bearing end.

Preferably, the dust-proof portion diameter is smaller than the damper spring inner diameter.

Preferably, a containing groove is formed in one side, far away from the buffer part, of the dustproof part, the bearing end part is contained in the containing groove, and the diameter of the inner wall of the containing groove is smaller than that of the bearing end in a free state.

Preferably, a fastener is connected to one side of the piston rod away from the oil storage handle pipe, an oil storage bin is arranged at one end of the oil storage handle pipe away from the piston rod, and the distance between the buffer part and the fastener is smaller than the distance between the oil storage bin and the piston rod.

The technical problem to be solved by the utility model is also to provide a bicycle, which comprises a frame and any shock absorber, wherein the frame is connected with the shock absorber.

The technical problem to be solved by the utility model is also to provide a motorcycle, which comprises a motorcycle body and any shock absorber, wherein the motorcycle body is connected with the shock absorber.

Compared with the prior art, the shock absorber, the bicycle and the motorcycle have the following advantages:

1. the shock absorber comprises a shock absorption spring and a body, wherein the body comprises an oil storage handle pipe, a piston rod and a dustproof buffer part, a sliding opening is formed in the oil storage handle pipe, the piston rod penetrates through the sliding opening, the oil storage handle pipe is sleeved on the piston rod, the dustproof buffer part comprises a dustproof part and a buffer part, the dustproof part covers the sliding opening, the buffer part is sleeved on the piston rod, the dustproof part and the buffer part are integrally formed, and the wall thickness of the buffer part is larger than that of the dustproof part; the damping spring is sleeved on the body. Through setting up dustproof bolster in the sliding port position of oil storage handle pipe, when the piston rod stroke is compressed to the limit, can receive the buffering of dustproof bolster at first, avoid the piston rod upper end to directly cause the extrusion to oil storage handle pipe upper end, and then avoid oil storage handle pipe upper end to be crowded bad oil leak. In addition, the dustproof part and the buffer part are integrally structured, so that the dustproof buffer part is only required to be installed once during installation, the space occupied by the dustproof part and the buffer part is reduced, and the installation efficiency of the shock absorber is improved; the wall thickness of the buffer part is larger than that of the dustproof part, so that the buffer efficiency of the buffer part to the shock absorber can be improved.

2. The buffer part and the dust-proof part of the utility model are both elastic bodies made of elastic materials. The damping efficiency of the damper is further improved by matching with the damping spring.

3. The buffer part of the utility model is provided with a through hole, the piston rod penetrates through the through hole, and the inner wall of the through hole is provided with an annular groove. And a certain buffer space is reserved for the buffer part, so that damage caused by overlarge deformation of the buffer part is prevented.

4. The buffer part of the utility model is arranged at one side far away from the dustproof part in a round table shape. Saving materials.

5. The shock absorber provided by the utility model has the advantages that one end, close to the dustproof buffer piece, of the oil storage handle pipe is defined as the bearing end, the diameter of the buffer part is smaller than or equal to that of the bearing end, and when the buffer part bears pressure, the buffer part is used for buffering, so that the working efficiency of the buffer part is improved.

6. The diameter of the dustproof part is smaller than the inner diameter of the damping spring. The dust-proof part is prevented from interfering with the damping spring.

7. The dustproof part of the utility model is provided with a containing groove at one side far away from the buffer part, the bearing end part is contained in the containing groove, and the diameter of the inner wall of the containing groove is smaller than the diameter of the bearing end in a free state. When the dustproof part covers the sliding opening, the dustproof part is in a stretching state, has an elastic trend of recovering the original state, and improves the dustproof effect of the dustproof part.

8. A fastening piece is connected to one side, far away from an oil storage handle pipe, of a piston rod, an oil storage bin is arranged at one end, far away from the piston rod, of the oil storage handle pipe, and the distance between a buffer part and the fastening piece is smaller than the distance between the oil storage bin and the piston rod. The piston rod is prevented from interfering with the oil storage bin when the shock absorber works, so that the shock absorber is damaged.

9. The bicycle of the present utility model comprises a frame and a shock absorber as described above, the frame being connected to the shock absorber. The bicycle has the beneficial effects of the shock absorber, and the description thereof is omitted.

10. The motorcycle of the utility model comprises a vehicle body and a shock absorber as above, and the vehicle body is connected with the shock absorber. The motorcycle has the beneficial effects of the shock absorber and is not described in detail herein.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a cross-sectional view of a shock absorber provided in a first embodiment of the present utility model.

Fig. 2 is a schematic perspective view of a dust-proof buffer member of a shock absorber according to a first embodiment of the present utility model.

Fig. 3 is a sectional view of an oil storage handle tube of a shock absorber according to a first embodiment of the present utility model.

Fig. 4 is a cross-sectional view of a dust-proof cushion member of a shock absorber according to a first embodiment of the present utility model.

Fig. 5 is a block diagram of a bicycle provided in accordance with a second embodiment of the present utility model.

Fig. 6 is a block diagram of a motorcycle provided by a third embodiment of the present utility model.

The attached drawings are used for identifying and describing:

3. a motorcycle; 4. a bicycle; 5. a damper; 6. a damping spring; 7. a body;

31. a vehicle body; 41. a frame; 71. an oil storage handle tube; 72. a piston rod; 73. a dust-proof buffer member; 711. a sliding port; 712. an oil storage bin; 713. a carrying end; 721. a fastener; 731. a dust-proof part; 732. a buffer section;

7311. a receiving groove; 7321. a through hole; 7322. an annular groove.

[ detailed description ] of the utility model

The present utility model will be described in further detail with reference to the accompanying drawings and examples of implementation in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Referring to fig. 1-3, a first embodiment of the present utility model provides a shock absorber 5 including a shock absorbing spring 6 and a body 7, wherein the body 7 includes an oil storage handle tube 71, a piston rod 72 and a dust-proof buffer member 73, a sliding opening 711 is formed on the oil storage handle tube 71, the piston rod 72 passes through the sliding opening 711, the oil storage handle tube 71 is sleeved on the piston rod 72, the dust-proof buffer member 73 includes a dust-proof portion 731 and a buffer portion 732, the dust-proof portion 731 covers the sliding opening 711, the buffer portion 732 is sleeved on the piston rod 72, the dust-proof portion 731 and the buffer portion 732 are integrally formed, and the wall thickness of the buffer portion 732 is larger than that of the dust-proof portion 731; the damping spring 6 is sleeved on the body 7. By arranging the dustproof buffer member 73 at the sliding opening 711 of the oil storage handle tube 71, when the stroke of the piston rod 72 is compressed to the limit, the piston rod 72 is buffered by the dustproof buffer member 73 first, so that the upper end of the piston rod 72 is prevented from directly extruding the upper end of the oil storage handle tube 71, and further the upper end of the oil storage handle tube 71 is prevented from being extruded and damaged. In addition, the integral structure of the dustproof part 731 and the buffer part 732 makes the dustproof buffer part 73 only need to be installed once when being installed, reduces the space occupied by the dustproof part 731 and the buffer part 732, and improves the installation efficiency of the shock absorber 5; the thickness of the buffer portion 732 is larger than that of the dust-proof portion 731, so that the buffer efficiency of the buffer portion 732 to the damper 5 can be improved.

Further, the end surface defining the sliding port 711 is a reference surface, and the oil reservoir pipe 71 further includes an outer surface connected to the reference surface, and the dust-proof portion 731 covers the reference surface and a part of the outer surface.

It should be noted that the damper spring 6 is used to provide elastic potential energy for the damper 5 to improve the working efficiency of the damper 5.

Further, the buffer portion 732 and the dust-proof portion 731 are each made of an elastic material. The damper efficiency of the damper 5 is further improved by the cooperation of the damper springs 6.

Preferably, the material of the dust-proof damper 73 is preferably rubber.

Referring to fig. 1-4, the buffer portion 732 is provided with a through hole 7321, the piston rod 72 passes through the through hole 7321, and an annular groove 7322 is formed in an inner wall of the through hole 7321. A certain buffer space is provided for the buffer part 732, and damage caused by overlarge deformation of the buffer part 732 is prevented.

Further, the annular recess 7322 does not extend beyond the outer side of the buffer portion 732.

Further, the buffer portion 732 is provided in a truncated cone shape on a side away from the dust-proof portion 731. Saving materials.

Further, the end of the oil storage handle 71, which is close to the dust-proof buffer member 73, is defined as a bearing end 713, the diameter of the buffer portion 732 is smaller than or equal to the diameter of the bearing end 713, and when the buffer portion 732 bears pressure, the buffer portion 732 is used for buffering, so that the working efficiency of the buffer portion 732 is improved.

The buffer 732 is provided in a shape that is rotationally stretchable from a plan view about an axis of symmetry, and the diameter of the buffer 732 refers to the diameter of the outermost circle of the cross section of the buffer 732 in a plane perpendicular to the axis of symmetry. The bearing end 713 is provided with a cylindrical structure; the diameter of the buffer portion 732 is smaller than or equal to the diameter of the carrying end 713, i.e., the projection of the buffer portion 732 does not exceed the projection of the carrying end 713 under the parallel light irradiation of the shock absorber 5 perpendicular to the end face of the sliding port 711.

Further, the diameter of the dust-proof part 731 is smaller than the inner diameter of the damper spring 6. The dust-proof portion 731 is prevented from interfering with the damper spring 6.

The dust-proof portion 731 is provided in a shape that is rotatably stretched around a symmetry axis from a plan view, and the diameter of the dust-proof portion 731 is the diameter of the outermost circle of the cross section of the dust-proof portion 731 on a plane perpendicular to the symmetry axis.

Further, the dustproof portion 731 is provided with a receiving groove 7311 at a side far from the buffer portion 732, and the bearing end 713 is partially received in the receiving groove 7311, and the diameter of the inner wall of the receiving groove 7311 is smaller than the diameter of the bearing end 713 in a free state. When the dust-proof part 731 covers the sliding opening, the dust-proof part 731 is in a stretched state, and has an elastic tendency to return to its original state, thereby improving the dust-proof effect of the dust-proof part 731.

Further, a fastener 721 is connected to a side of the piston rod 72 away from the oil storage handle tube 71, an oil storage chamber 712 is provided at an end of the oil storage handle tube 71 away from the piston rod 72, and a distance between the buffer portion 732 and the fastener 721 is smaller than a distance between the oil storage chamber 712 and the piston rod 72. The piston rod 72 is prevented from interfering with the reservoir 712 during operation of the shock absorber 5, causing damage to the shock absorber 5.

It will be appreciated that when the fastener 721 abuts the buffer 732, there is also a distance between the piston rod 72 and the sump 712, preventing the piston rod 72 from interfering with the sump 712.

Referring to fig. 5, a second embodiment of the present utility model provides a bicycle 4, which includes a frame 41 and a shock absorber 5 of the first embodiment, wherein the frame 41 is connected to the shock absorber 5. The bicycle 4 has the beneficial effects of the shock absorber 5, which are not described in detail herein.

It will be appreciated that the bicycle 4 includes a human powered bicycle and an electric bicycle.

Referring to fig. 6, a third embodiment of the present utility model provides a motorcycle 3 including a vehicle body 31 and a damper 5 of the first embodiment, the vehicle body 31 being connected to the damper 5. The motorcycle 3 has the beneficial effects of the shock absorber 5, which are not described in detail herein.

Compared with the prior art, the shock absorber, the bicycle and the motorcycle have the following advantages:

1. the shock absorber comprises a shock absorption spring and a body, wherein the body comprises an oil storage handle pipe, a piston rod and a dustproof buffer part, a sliding opening is formed in the oil storage handle pipe, the piston rod penetrates through the sliding opening, the oil storage handle pipe is sleeved on the piston rod, the dustproof buffer part comprises a dustproof part and a buffer part, the dustproof part covers the sliding opening, the buffer part is sleeved on the piston rod, the dustproof part and the buffer part are integrally formed, and the wall thickness of the buffer part is larger than that of the dustproof part; the damping spring is sleeved on the body. Through setting up dustproof bolster in the sliding port position of oil storage handle pipe, when the piston rod stroke is compressed to the limit, can receive the buffering of dustproof bolster at first, avoid the piston rod upper end to directly cause the extrusion to oil storage handle pipe upper end, and then avoid oil storage handle pipe upper end to be crowded bad oil leak. In addition, the dustproof part and the buffer part are integrally structured, so that the dustproof buffer part is only required to be installed once during installation, the space occupied by the dustproof part and the buffer part is reduced, and the installation efficiency of the shock absorber is improved; the wall thickness of the buffer part is larger than that of the dustproof part, so that the buffer efficiency of the buffer part to the shock absorber can be improved.

2. The buffer part and the dust-proof part of the utility model are both elastic bodies made of elastic materials. The damping efficiency of the damper is further improved by matching with the damping spring.

3. The buffer part of the utility model is provided with a through hole, the piston rod penetrates through the through hole, and the inner wall of the through hole is provided with an annular groove. And a certain buffer space is reserved for the buffer part, so that damage caused by overlarge deformation of the buffer part is prevented.

4. The buffer part of the utility model is arranged at one side far away from the dustproof part in a round table shape. Saving materials.

5. The shock absorber provided by the utility model has the advantages that one end, close to the dustproof buffer piece, of the oil storage handle pipe is defined as the bearing end, the diameter of the buffer part is smaller than or equal to that of the bearing end, and when the buffer part bears pressure, the buffer part is used for buffering, so that the working efficiency of the buffer part is improved.

6. The diameter of the dustproof part is smaller than the inner diameter of the damping spring. The dust-proof part is prevented from interfering with the damping spring.

7. The dustproof part of the utility model is provided with a containing groove at one side far away from the buffer part, the bearing end part is contained in the containing groove, and the diameter of the inner wall of the containing groove is smaller than the diameter of the bearing end in a free state. When the dustproof part covers the sliding opening, the dustproof part is in a stretching state, has an elastic trend of recovering the original state, and improves the dustproof effect of the dustproof part.

8. A fastening piece is connected to one side, far away from an oil storage handle pipe, of a piston rod, an oil storage bin is arranged at one end, far away from the piston rod, of the oil storage handle pipe, and the distance between a buffer part and the fastening piece is smaller than the distance between the oil storage bin and the piston rod. The piston rod is prevented from interfering with the oil storage bin when the shock absorber works, so that the shock absorber is damaged.

9. The bicycle of the present utility model comprises a frame and a shock absorber as described above, the frame being connected to the shock absorber. The bicycle has the beneficial effects of the shock absorber, and the description thereof is omitted.

10. The motorcycle of the utility model comprises a vehicle body and a shock absorber as above, and the vehicle body is connected with the shock absorber. The motorcycle has the beneficial effects of the shock absorber and is not described in detail herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The shock absorber is characterized by comprising a shock absorption spring and a body, wherein the body comprises an oil storage handle pipe, a piston rod and a dustproof buffer piece, a sliding port is formed in the oil storage handle pipe, the piston rod penetrates through the sliding port, the oil storage handle pipe is sleeved on the piston rod, the dustproof buffer piece comprises a dustproof part and a buffer part, the dustproof part covers the sliding port, the buffer part is sleeved on the piston rod, the dustproof part and the buffer part are integrally formed, and the wall thickness of the buffer part is larger than that of the dustproof part; the damping spring is sleeved on the body.

2. The shock absorber of claim 1, wherein said cushioning portion and said dust-proof portion are each an elastomer of an elastic material.

3. The shock absorber of claim 1, wherein the buffer portion is provided with a through hole, the piston rod passes through the through hole, and an annular groove is formed in an inner wall of the through hole.

4. The damper according to claim 1, wherein the buffer portion is provided in a truncated cone shape on a side away from the dust-proof portion.

5. The shock absorber of claim 1, wherein an end of said oil storage handle tube adjacent said dust damper is defined as a load bearing end, and said damper portion has a diameter less than or equal to a diameter of said load bearing end.

6. The shock absorber of claim 4, wherein said dust guard diameter is less than said shock absorbing spring inner diameter.

7. The shock absorber of claim 5, wherein a receiving groove is formed in a side of the dust-proof portion away from the buffer portion, the bearing end portion is received in the receiving groove, and a diameter of an inner wall of the receiving groove is smaller than a diameter of the bearing end in a free state.

8. The shock absorber of claim 1, wherein a fastener is connected to a side of the piston rod away from the oil storage handle tube, an oil storage bin is arranged at one end of the oil storage handle tube away from the piston rod, and a distance between the buffer part and the fastener is smaller than a distance between the oil storage bin and the piston rod.

9. A bicycle comprising a frame and a shock absorber according to any one of claims 1 to 8, wherein the frame and the shock absorber are connected.

10. A motorcycle comprising a vehicle body and a shock absorber as claimed in any one of claims 1 to 8, said vehicle body and said shock absorber being connected.