CN210510106U

CN210510106U - Rear shock-absorbing device for motorcycle

Info

Publication number: CN210510106U
Application number: CN201921248422.5U
Authority: CN
Inventors: 王嵌; 黄琥
Original assignee: Chongqing Fuego Power Co ltd
Current assignee: Chongqing Fuego Power Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-12
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a rear shock absorption device for a motorcycle, which comprises a cylinder body, a first limit plate, a bolt, a connecting frame and a second limit plate, a pressure cylinder is fixed in the cylinder body, a piston rod is movably arranged in the pressure cylinder, a spring is fixed between a first circular plate at the bottom end of the piston rod and a second circular plate on the cylinder body, the top end of the cylinder body and the lower surface of the first circular plate are both fixed with a bracket, the bracket is provided with a second screw hole, the two sides of the bracket are both provided with second limiting holes, the bracket is clamped with the connecting frame, the two sides of the connecting frame are respectively provided with a first screw hole and a first limiting hole, and limiting rods are fixed on the opposite sides of the first limiting plate and the second limiting plate, the limiting rods penetrate through the first limiting holes and are inserted into the second limiting holes, and the bolts penetrate through the first limiting plates and are screwed into the first screw holes and the second screw holes. The utility model has the advantages of strengthen the fixed of bumper shock absorber and motorcycle junction, alleviate the burden of bolt.

Description

Rear shock-absorbing device for motorcycle

Technical Field

The utility model relates to a shock attenuation technical field behind the motorcycle specifically is a rear shock absorber for motorcycle.

Background

The shock absorber is used for inhibiting the shock when the spring rebounds after absorbing shock and the impact from the road surface, and is widely applied to various vehicles. When the spring passes through an uneven road surface, the shock-absorbing spring can filter the shock of the road surface, the spring can also do reciprocating motion, and the shock absorber is used for inhibiting the spring from jumping.

Two ends of a shock absorber generally used for a motorcycle are fixed on the motorcycle through bolts, the connection part of the shock absorber and the motorcycle is fixed through the bolts, all acting force generated when the motorcycle runs acts on the bolts at the connection part of the shock absorber and the motorcycle, and the bolt load is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back damping device for motorcycle possesses the fixed of strengthening bumper shock absorber and motorcycle junction, alleviates the advantage of the burden of bolt, on produced effort all acted on the bolt of bumper shock absorber and motorcycle junction when having solved the motorcycle and travel, the big problem of bolt load.

In order to achieve the above object, the utility model provides a following technical scheme: a rear shock absorption device for a motorcycle comprises a cylinder body, a first limiting plate, a bolt, a connecting frame and a second limiting plate, wherein a pressure cylinder is fixed inside the cylinder body, a piston rod is movably installed in the pressure cylinder and extends out of the bottom end of the pressure cylinder, a first circular plate is fixed at the bottom end of the piston rod, a second circular plate is sleeved on the cylinder body, a spring is fixed between the upper surface of the first circular plate and the lower surface of the second circular plate, a bracket is fixed at the top end of the cylinder body and the lower surface of the first circular plate, a second screw hole is formed in the bracket, second limiting holes are formed in two sides of the bracket, the bracket is clamped with the connecting frame, a first screw hole and a first limiting hole are respectively formed in two sides of the connecting frame, a limiting rod is fixed on one side, opposite to the first limiting plate and the second limiting plate, the limiting rod penetrates through the first limiting hole and is, the bolt passes through first limiting plate and screws into in first screw and the second screw, and bolt one end passes second limiting plate screw thread and installs the nut.

Preferably, the first circular plate, the piston rod, the spring, the pressure cylinder, the cylinder body and the second circular plate form a damper.

Preferably, the piston rod passes through the spring, and the spring is not fixed with the piston rod.

Preferably, the first limiting hole is aligned with the second limiting hole, and the first screw hole is aligned with the second screw hole.

Preferably, the opposite sides of the first limiting plate and the second limiting plate are respectively attached to the two sides of the connecting frame.

Preferably, a first round hole is formed in one side of the first limiting plate, a second round hole is formed in the other side of the first limiting plate, the first round hole is communicated with the second round hole, the aperture of the first round hole is larger than that of the second round hole, a third round hole is formed in the second limiting plate, the bolt is matched with the first round hole, the second round hole and the third round hole, and a screw head on the bolt is located in the first round hole.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model achieves the effect of strengthening the fixation of the shock absorber and the motorcycle joint and reducing the burden of the bolt by arranging the first limiting plate, the limiting rod and the second limiting plate, when the shock absorber is installed, the bracket is butted with the connecting frame on the motorcycle, the second screw hole on the bracket is aligned with the first screw hole on the connecting frame, at the moment, the second limiting hole on the bracket is aligned with the first limiting hole on the connecting frame, the limiting rods on the first limiting plate and the second limiting plate are respectively inserted into the first limiting hole from the two sides of the connecting frame, the limiting rod passes through the first limiting hole and is inserted into the second limiting hole, the first limiting plate and the second limiting plate are respectively jointed with the two sides of the connecting frame, the bolt passes through the first round hole and the second round hole on the first limiting plate, the bolt is screwed into the first screw hole and the second screw hole, the third round hole on the second limiting plate is passed to the one end of bolt, the nut is installed to the one end screw thread of bolt, the nut is laminated with the second limiting plate, thereby with first limiting plate, the second limiting plate, link and support are fixed, the motorcycle is when going, the vibrations power that comes by the ground transmission acts on the bumper shock absorber, the support bears certain effort with the bolt of link junction, the gag lever post on first limiting plate and the second limiting plate is supplementary fixed to link and support this moment, the gag lever post can share the power of being used in bolt department, alleviate the burden of bolt.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the utility model at a;

fig. 3 is a schematic diagram of a first limiting plate structure of the present invention;

fig. 4 is a schematic diagram of a second limiting plate structure of the present invention;

FIG. 5 is a schematic cross-sectional view of the connecting frame of the present invention;

fig. 6 is a schematic side view of the bracket of the present invention.

In the figure: 1. a first circular plate; 2. a piston rod; 3. a spring; 4. a pressure cylinder; 5. a cylinder body; 6. a second circular plate; 7. a first limit plate; 8. a bolt; 9. a limiting rod; 10. a connecting frame; 11. a support; 12. a second limiting plate; 13. a nut; 14. a first circular hole; 15. a second circular hole; 16. a third circular hole; 17. a first limit hole; 18. a first screw hole; 19. a second screw hole; 20. a second limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides an embodiment: a rear shock absorber for a motorcycle comprises a cylinder body 5, a first limit plate 7, a bolt 8, a connecting frame 10 and a second limit plate 12, wherein a pressure cylinder 4 is fixed inside the cylinder body 5, a piston rod 2 is movably installed inside the pressure cylinder 4, the piston rod 2 extends out of the bottom end of the pressure cylinder 4, a first circular plate 1 is fixed at the bottom end of the piston rod 2, a second circular plate 6 is sleeved on the cylinder body 5, a spring 3 is fixed between the upper surface of the first circular plate 1 and the lower surface of the second circular plate 6, the piston rod 2 penetrates through the spring 3, the spring 3 is not fixed with the piston rod 2, the first circular plate 1, the piston rod 2, the spring 3, the pressure cylinder 4, the cylinder body 5 and the second circular plate 6 form a shock absorber, when relative motion occurs due to vibration between a motorcycle frame and an axle, the piston rod 2 in the shock absorber moves up and down, oil in the cylinder 5 repeatedly flows into another, at the moment, the friction between the hole wall and the oil and the internal friction vibration between oil molecules form damping force, so that the vibration energy of the motorcycle is converted into oil heat energy, and then the oil heat energy is absorbed by the shock absorber and is emitted into the atmosphere.

The top end of the cylinder body 5 and the lower surface of the first circular plate 1 are both fixed with a bracket 11, the bracket 11 is provided with a second screw hole 19, both sides of the bracket 11 are both provided with a second limit hole 20, the connecting frame 10 is arranged on the motorcycle, when the shock absorber is arranged, the bracket 11 is clamped with the connecting frame 10, both sides of the connecting frame 10 are respectively provided with a first screw hole 18 and a first limit hole 17, the first limit hole 17 is aligned with the second limit hole 20, the first screw hole 18 is aligned with the second screw hole 19, one side of the first limit plate 7 opposite to the second limit plate 12 is fixed with a limit rod 9, the limit rods 9 on the first limit plate 7 and the second limit plate 12 are respectively inserted into the first limit hole 17 from both sides of the connecting frame 10, the limit rod 9 passes through the first limit hole 17 to be inserted into the second limit hole 20, the limit rod 9 is matched with the first limit hole 17 and the second limit hole 20, one side of the first limit plate 7 opposite to the second limit plate 12 is respectively attached to both sides of, the first limiting plate 7 and the second limiting plate 12 are respectively fixed with the connecting frame 10. First round hole 14 has been seted up to first limiting plate 7 one side, second round hole 15 has been seted up to first limiting plate 7 opposite side, first round hole 14 and second round hole 15 intercommunication, and first round hole 14 aperture is greater than second round hole 15 aperture, first round hole 14 and second round hole 15 correspond with first screw 18 and second screw 19, bolt 8 passes from first round hole 14 and second round hole 15 on first limiting plate 7, bolt 8 passes first limiting plate 7 and screws into in first screw 18 and the second screw 19, the spiral shell head on the bolt 8 is located first round hole 14, the spiral shell head location on the bolt 8 is in first round hole 14, it is spacing to bolt 8. And a third round hole 16 is formed in the second limiting plate 12, and the bolt 8 is matched with the first round hole 14, the second round hole 15 and the third round hole 16. One end of the bolt 8 penetrates through a third round hole 16 in the second limiting plate 12, one end of the bolt 8 penetrates through the second limiting plate 12 and is provided with a nut 13 in a threaded mode, and the nut 13 is attached to the second limiting plate 12, so that the first limiting plate 7, the second limiting plate 12, the connecting frame 10 and the support 11 are fixed. When the motorcycle runs, the vibration force transmitted from the ground acts on the shock absorber, the bolt 8 at the joint of the bracket 11 and the connecting frame 10 bears certain acting force, the limiting rods 9 on the first limiting plate 7 and the second limiting plate 12 assist in fixing the connecting frame 10 and the bracket 11, and the limiting rods 9 can share the force acting on the bolt 8 to reduce the burden of the bolt 8.

The working principle is as follows: support 11 and link 10 butt joint, inject the gag lever post 9 on first limiting plate 7 and the second limiting plate 12 into first spacing hole 17 and second spacing hole 20 from the both sides of link 10, bolt 8 passes from first round hole 14 and second round hole 15 on the first limiting plate 7 and screws into in first screw 18 and the second screw 19, the third round hole 16 on the second limiting plate 12 is passed to the one end of bolt 8, screw into nut 13, when traveling, the shaking force that comes by ground transmission acts on the bumper shock absorber, support 11 bears certain effort with the bolt 8 of link 10 junction, the gag lever post 9 on first limiting plate 7 and the second limiting plate 12 is supplementary to link 10 and support 11 fixed this moment, gag lever post 9 can share the power that acts on bolt 8 department.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rear shock absorber that motorcycle was used, includes cylinder body (5), first limiting plate (7), bolt (8), link (10) and second limiting plate (12), its characterized in that: the pressure cylinder (4) is fixed inside the cylinder body (5), a piston rod (2) is movably mounted in the pressure cylinder (4), the piston rod (2) extends out of the bottom end of the pressure cylinder (4), a first circular plate (1) is fixed at the bottom end of the piston rod (2), a second circular plate (6) is sleeved on the cylinder body (5), a spring (3) is fixed between the upper surface of the first circular plate (1) and the lower surface of the second circular plate (6), a support (11) is fixed at the top end of the cylinder body (5) and the lower surface of the first circular plate (1), a second screw hole (19) is formed in the support (11), second limiting holes (20) are formed in two sides of the support (11), the support (11) is connected with a connecting frame (10) in a clamping manner, a first screw hole (18) and a first limiting hole (17) are formed in two sides of the connecting frame (10), a limiting rod (9) is fixed on one side of the first limiting plate (7) and the second limiting plate (12), the limiting rod (9) penetrates through the first limiting hole (17) to be inserted into the second limiting hole (20), the bolt (8) penetrates through the first limiting plate (7) to be screwed into the first screw hole (18) and the second screw hole (19), and one end of the bolt (8) penetrates through the second limiting plate (12) and is provided with the nut (13) in a threaded mode.

2. A rear shock absorbing device for a motorcycle according to claim 1, wherein: the shock absorber is composed of the first circular plate (1), the piston rod (2), the spring (3), the pressure cylinder (4), the cylinder body (5) and the second circular plate (6).

3. A rear shock absorbing device for a motorcycle according to claim 1, wherein: the piston rod (2) penetrates through the spring (3), and the spring (3) and the piston rod (2) are not fixed.

4. A rear shock absorbing device for a motorcycle according to claim 1, wherein: the first limiting hole (17) is aligned with the second limiting hole (20), and the first screw hole (18) is aligned with the second screw hole (19).

5. A rear shock absorbing device for a motorcycle according to claim 1, wherein: the opposite sides of the first limiting plate (7) and the second limiting plate (12) are respectively attached to the two sides of the connecting frame (10).

6. A rear shock absorbing device for a motorcycle according to claim 1, wherein: first round hole (14) have been seted up to first limiting plate (7) one side, second round hole (15) have been seted up to first limiting plate (7) opposite side, first round hole (14) and second round hole (15) intercommunication, and first round hole (14) aperture is greater than second round hole (15) aperture, third round hole (16) have been seted up on second limiting plate (12), bolt (8) and first round hole (14), second round hole (15) and third round hole (16) phase-match, the spiral shell head on bolt (8) is located first round hole (14).