CN215059112U

CN215059112U - Electric bicycle buffer mechanism

Info

Publication number: CN215059112U
Application number: CN202023130745.XU
Authority: CN
Inventors: 褚叶晨
Original assignee: Wuxi Mojian Electric Vehicle Co ltd
Current assignee: Wuxi Mojian Electric Vehicle Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-12-07
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an electric bicycle buffer gear, including oil storage cylinder, semicircular sealing ring, oil storage cylinder's inside bottom fixed mounting is provided with the bottom valve, oil storage cylinder's inside bottom fixed connection is provided with the supporting seat, the upper end fixed connection of supporting seat is provided with the damping bottom spring, oil storage cylinder's upper end fixed connection is provided with the guide holder, the intermediate position department activity cover of guide holder is equipped with the piston rod, the upper end fixed mounting of guide holder is provided with the oil blanket. The utility model discloses a movable groove is seted up in the bottom of dustproof dustcoat to be provided with side reset spring, movable block and semi-circular sealing ring, carry out the piston when taking place to strike the piston rod and remove, when dustproof dustcoat takes place to remove, semi-circular sealing ring can remove at an oil storage cylinder section of thick bamboo equally, and side reset spring can carry out the side extrusion to semi-circular sealing ring through the movable block spacing, can strengthen the dustproof effect of dustproof dustcoat.

Description

Electric bicycle buffer mechanism

Technical Field

The utility model relates to a buffer gear technical field specifically is an electric bicycle buffer gear.

Background

The buffer mechanism is used for inhibiting the vibration when the spring absorbs the shock and rebounds and the impact from the road surface, and is widely used for automobiles to accelerate the attenuation of the vibration of the frame and the automobile body so as to improve the driving smoothness of the automobiles. When the vehicle passes through an uneven road surface, although the shock absorption spring can filter the vibration of the road surface, the spring can still do reciprocating motion, the shock absorber is used for inhibiting the spring from jumping, the shock is generated due to the fact that an elastic element is impacted in a suspension system, in order to improve the running smoothness of the vehicle, the shock absorber is installed in parallel with the elastic element in the suspension, in order to attenuate the shock, most of the shock absorbers adopted in the suspension system are hydraulic shock absorbers, the working principle of the shock absorber is that when the vehicle frame (or a vehicle body) and an axle vibrate and then move relatively, a piston in the shock absorber moves up and down, and oil in a shock absorber cavity repeatedly flows into the other cavity from one cavity through different pores.

The existing buffering mechanism of the electric bicycle has the following defects: most of the existing buffering mechanisms of the electric bicycles are dustproof through dust covers, when a piston rod moves, a large gap is reserved between the dust covers and an oil storage cylinder barrel all the time, the gaps at the bottoms of the dust covers cannot be well dustproof and sealed, and the buffering effect of the buffering mechanisms can be influenced by long-term use of dust and impurities; in addition, at present, the shock absorber is only buffered by liquid oil and gas, and when the shock is too large, the piston rod is easy to collide with the shock absorber, and the oil storage cylinder barrel can be damaged and deformed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric bicycle buffer gear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a buffering mechanism of an electric bicycle comprises an oil storage cylinder barrel and a semicircular sealing ring, wherein a bottom valve is fixedly arranged at the bottom inside the oil storage cylinder barrel, a supporting seat is fixedly connected and arranged at the bottom inside the oil storage cylinder barrel, a damping bottom spring is fixedly connected and arranged at the upper end of the supporting seat, a guide seat is fixedly connected and arranged at the upper end of the oil storage cylinder barrel, a piston rod is movably sleeved at the middle position of the guide seat, an oil seal is fixedly arranged at the upper end of the guide seat, a second piston valve is arranged at the middle position inside the oil storage cylinder barrel, a first piston valve is arranged at the lower end of the second piston valve, the second piston valve and the first piston valve are both fixedly connected with the piston rod, a dustproof outer cover is fixedly sleeved at the upper end of the piston rod, movable grooves are formed in the left side and the right side of the lower end of the dustproof outer cover, and side reset springs are fixedly connected and arranged in the movable grooves, the oil storage cylinder is characterized in that a movable block is fixedly connected to one end, close to the oil storage cylinder, of the side reset spring, two semicircular sealing rings are arranged, the semicircular sealing rings are movably sleeved between the oil storage cylinder and the dustproof outer cover, and the movable block is fixedly connected with the semicircular sealing rings.

Preferably, the inner diameter of the semicircular sealing ring is the same as the outer diameter of the oil storage cylinder.

Preferably, the inner side of the semicircular sealing ring is provided with a wear-resistant coating.

Preferably, the bottom mounting ring is fixedly connected to the lower end of the outer side of the oil storage cylinder barrel.

Preferably, the upper end of the piston rod is fixedly connected with an upper mounting ring.

Preferably, the diameter of the dustproof outer cover is larger than that of the oil storage cylinder barrel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the movable groove in the bottom of dustproof dustcoat to be provided with side reset spring, movable block and semicircular sealing ring, when taking place to strike the piston rod and carry out the piston and move, when the dustproof dustcoat takes place to move, semicircular sealing ring can move at the oil storage cylinder section of thick bamboo equally, and side reset spring can carry out the side extrusion spacing to semicircular sealing ring through the movable block, can strengthen the dustproof effect of dustproof dustcoat;

2. the utility model discloses still be provided with supporting seat and damping bottom spring simultaneously, supporting seat and damping bottom spring all set up in the bottom of oil storage cylinder, and when the piston rod took place great degree displacement, damping bottom spring can carry out the bearing in the bottom, can strengthen the buffering effect, avoids the piston rod to bump, has simple structure, convenient to use, excellent in use effect's advantage.

Drawings

Fig. 1 is a schematic view of the overall structure of a buffering mechanism of an electric bicycle of the present invention;

FIG. 2 is an enlarged view of the structure of part A in FIG. 1;

fig. 3 is the cross-sectional structure of the dustproof cover and the oil storage cylinder of the buffering mechanism of the electric bicycle.

In the figure: 1. an oil storage cylinder barrel; 2. a dust-proof housing; 3. a guide seat; 4. oil sealing; 5. a piston rod; 6. a second piston valve; 7. a first piston valve; 8. a shock absorbing bottom spring; 9. a bottom mounting ring; 10. a bottom valve; 11. a supporting seat; 12. a side return spring; 13. a semicircular sealing ring; 14. a moving block; 15. a movable groove.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a buffering mechanism of an electric bicycle comprises an oil storage cylinder barrel 1 and a semicircular sealing ring 13, wherein a bottom valve 10 is fixedly arranged at the bottom inside the oil storage cylinder barrel 1, a supporting seat 11 is fixedly connected to the bottom inside the oil storage cylinder barrel 1, a damping bottom spring 8 is fixedly connected to the upper end of the supporting seat 11, a guide seat 3 is fixedly connected to the upper end of the oil storage cylinder barrel 1, a piston rod 5 is movably sleeved at the middle position of the guide seat 3, an oil seal 4 is fixedly arranged at the upper end of the guide seat 3, a second piston valve 6 is arranged at the middle position inside the oil storage cylinder barrel 1, a first piston valve 7 is arranged at the lower end of the second piston valve 6, the second piston valve 6 and the first piston valve 7 are both fixedly connected with the piston rod 5, a dustproof outer cover 2 is fixedly sleeved at the upper end of the piston rod 5, and movable grooves 15 are respectively formed in the left side and the right side of the lower end of the dustproof outer cover 2, the oil storage cylinder is characterized in that a side reset spring 12 is fixedly connected in the movable groove 15, a movable block 14 is fixedly connected to one end, close to the oil storage cylinder 1, of the side reset spring 12, two semicircular sealing rings 13 are arranged, the semicircular sealing rings 13 are movably sleeved between the oil storage cylinder 1 and the dustproof outer cover 2, and the movable block 14 is fixedly connected with the semicircular sealing rings 13.

The inside diameter of semicircle sealing ring 13 is the same with the external diameter of oil storage cylinder 1, can ensure that semicircle sealing ring 13 full play sealing action, the inboard of semicircle sealing ring 13 is provided with wear-resistant coating, and the wear-resistant coating that sets up can play wear-resistant role, the outside lower extreme fixed connection of oil storage cylinder 1 is provided with end collar 9, and the end collar 9 of setting can be convenient for install fixedly, the upper end fixed connection of piston rod 5 is provided with the collar, and the last collar of setting can be convenient for install fixedly the upper end, the diameter of dustproof dustcoat 2 is greater than the diameter of oil storage cylinder 1, can ensure that dustproof dustcoat 2 prevents dust to oil storage cylinder 1.

The working principle is as follows: the utility model discloses a through set up movable groove 15 in dustproof dustcoat 2's bottom, and be provided with side reset spring 12, movable block 14 and semi-circular sealing ring 13, carry out the piston when taking place to strike piston rod 5 and remove, dustproof dustcoat 2 takes place when removing, semi-circular sealing ring 13 can remove at oil storage cylinder section of thick bamboo 1, and side reset spring 12 can carry out the side direction extrusion spacing to semi-circular sealing ring 13 through movable block 14, can strengthen dustproof effect of dustproof dustcoat 2, still be provided with supporting seat 11 and shock attenuation end spring 8 simultaneously, supporting seat 11 and shock attenuation end spring 8 all set up the bottom at oil storage cylinder section of thick bamboo 1, when piston rod 5 takes place great degree displacement, shock attenuation end spring 8 can carry out the bearing in the bottom, can strengthen the buffering effect, avoid piston rod 5 to collide, and has simple structure, high durability and convenient use, the advantage that excellent in use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric bicycle buffer gear, includes oil storage cylinder (1), semicircle sealing ring (13), its characterized in that: a bottom valve (10) is fixedly arranged at the bottom inside the oil storage cylinder barrel (1), a supporting seat (11) is fixedly connected and arranged at the bottom inside the oil storage cylinder barrel (1), a damping bottom spring (8) is fixedly connected and arranged at the upper end of the supporting seat (11), a guide seat (3) is fixedly connected and arranged at the upper end of the oil storage cylinder barrel (1), a piston rod (5) is movably sleeved at the middle position of the guide seat (3), an oil seal (4) is fixedly arranged at the upper end of the guide seat (3), a second piston valve (6) is arranged at the middle position inside the oil storage cylinder barrel (1), a first piston valve (7) is arranged at the lower end of the second piston valve (6), the second piston valve (6) and the first piston valve (7) are both fixedly connected with the piston rod (5), a dustproof outer cover (2) is fixedly sleeved at the upper end of the piston rod (5), the oil storage cylinder is characterized in that movable grooves (15) are formed in the left side and the right side of the lower end of the dustproof outer cover (2), the movable grooves (15) are fixedly connected with the inner portion of each movable groove (15), side reset springs (12) are fixedly connected with one ends, close to the oil storage cylinder barrel (1), of the side reset springs (12) and provided with movable blocks (14), the semicircular sealing rings (13) are arranged in two numbers, the semicircular sealing rings (13) are movably sleeved between the oil storage cylinder barrel (1) and the dustproof outer cover (2), and the movable blocks (14) are fixedly connected with the semicircular sealing rings (13).

2. The electric bicycle cushion mechanism of claim 1, wherein: the inner diameter of the semicircular sealing ring (13) is the same as the outer diameter of the oil storage cylinder barrel (1).

3. The electric bicycle cushion mechanism of claim 1, wherein: and the inner side of the semicircular sealing ring (13) is provided with a wear-resistant coating.

4. The electric bicycle cushion mechanism of claim 1, wherein: the lower end of the outer side of the oil storage cylinder barrel (1) is fixedly connected with a bottom mounting ring (9).

5. The electric bicycle cushion mechanism of claim 1, wherein: the upper end of the piston rod (5) is fixedly connected with an upper mounting ring.

6. The electric bicycle cushion mechanism of claim 1, wherein: the diameter of the dustproof outer cover (2) is larger than that of the oil storage cylinder barrel (1).