CN208868228U - Mountain bike is with vehicle air charging system - Google Patents

Abstract

The utility model relates to bicycle and its accessory related fieldss, and specifically a kind of mountain bike is with vehicle air charging system, it is intended to solve the technical problem of existing mountain bike inflation tonifying Qi inconvenience.Including the footrest component being mounted on axis, the gear shift flywheel being mounted on rear axle and the rear lower fork tube being connected between axis and rear axle, gear shift flywheel is sequentially connected by chain and footrest component, it further include the cam with gear shift flywheel unitary rotation, cam is mounted on rear axle by bearing；Rear lower fork tube is equipped with opening close to the end of rear axle to form cylinder block, venthole is equipped with close to the end of axis and be connected with appendix, the piston of leather cup shape is equipped in rear lower fork tube, piston and rear lower fork tube are provided with reset spring between the end of axis, piston is also fixed with the piston rod stretched out from opening, the outer end of piston rod is fixed with one end of the extension rod parallel with rear axle, the other end of extension rod is hinged with sheave, and the edge of cam installs in the slot of sheave.

Description

Mountain bike is with vehicle air charging system

Technical field

The utility model relates to bicycle and its accessory related fields, specifically a kind of mountain bike is inflated with vehicle and is filled It sets.

Background technique

With advances in technology with the development in epoch, the mode diversification that people go on a journey still is born in more than 100 The bicycle of recent model before year nevertheless suffers from liking for many people, especially advocates today of Green Travel, more people Select bicycle as trip basic mode.First bicycle invention is in the method for 18th century the seventies in the world State has successively carried out multiple improvement later, realize from heaviness to it is light and handy, from without driving to have driving, from wooden tire to filling Air filled tyre, from timber structure to steel construction, the revolutionary improvement for several times such as from single speed to speed change, greatly facilitate people go out Row, has also brought the infinite joy of life.Especially mountain bike has speed changing function, can be used for field or long-distance rides Row can provide usage experience more abundant to people.

Currently, people are to the approach that mountain bike is inflated, there are mainly two ways: spare tracheae inflation at home, or In roadside, bicycle overhaul stand or bicycle put after sale inflation.But for mountain bike, field is often operated in, and And be usually used in it is long-distance ride, easily there is midway the case where needing tonifying Qi, above-mentioned two inflation approach is all unable to satisfy needs.It grinds Study carefully and configure a kind of inflation system that mountain bike is included, this worries of mountain bike fan can be released.

Utility model content

The utility model aims to solve the problem that the technical problem of existing mountain bike inflation tonifying Qi inconvenience.For this purpose, this is practical It is novel to propose a kind of mountain bike with vehicle air charging system.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

Mountain bike is with vehicle air charging system, including the footrest component being mounted on axis, the speed change being mounted on rear axle Flywheel and the rear lower fork tube being connected between axis and rear axle, the gear shift flywheel are connected by chain and footrest component transmission It connects, further includes the cam with gear shift flywheel unitary rotation, the cam is mounted on rear axle by bearing；The rear lower fork tube leans on The end of nearly rear axle is equipped with opening forming cylinder block, being equipped with venthole close to the end of axis and being connected with appendix, under rear The piston of leather cup shape is equipped in breeches pipe, the piston and rear lower fork tube are provided with reset spring, institute between the end of axis It states piston and is also fixed with the piston rod stretched out from the opening, the outer end of the piston rod is fixed with the extension parallel with rear axle One end of bar, the other end of the extension rod are hinged with sheave, and the edge of the cam installs in the slot of the sheave.It is foot-operated Component rotation, drives central axis, and axis is rotated by chain-driving rear axle, and rear axle drives gear shift flywheel rotation, gear shift flywheel Band moving cam rotates, and since cam is connected with piston rod by sheave and extension rod, the rotation of cam can drive piston rod or so It moves back and forth, drive rod drives piston motion, to complete gas replenishment process.When specific inflation, by the end of appendix with need to fill The air inlet of air filled tyre is connected to, and using the original ratchet ratchet principle of bicycle, rotates backward footrest component, wheel will not turn It is dynamic, but chain, gear shift flywheel and cam can rotate, and can be inflated for front-wheel or rear-wheel.Here, the setting of extension rod is main To realize the axial dipole field of piston rod and cam, to reduce processing production difficulty when assembled.Here, rear lower fork tube is close The end of rear axle and the connection of rear axle can not interfere the movement of piston rod, can not interfere connecting for piston rod and cam, So what those skilled in the art were readily apparent that, the end of rear lower fork tube can be cut off to then outer wall and be fixed by the connecting rod The positions such as the beam of bicycle, or be mounted on rear axle using the forks piece fork for the edge for being located at rear lower fork tube.

The beneficial effects of the utility model are: the utility model provides a kind of mountain bike with vehicle air charging system, by The structures such as the existing footrest component of mountain bike, chain, gear shift flywheel add cam, work using rear lower fork tube as cylinder block The structures such as plug, piston rod, are inflated front-wheel or rear-wheel by rotating backward footrest component, utmostly depend on former mountainous region The structure of bicycle designs, and simple and reliable, cost is relatively low；And pass through speed change, the revolving speed of controllable cam, to adjust inflation Efficiency.

Detailed description of the invention

Fig. 1 is the mounting structure schematic diagram of the utility model；

Fig. 2 is the straight line gear state schematic diagram of the driving lever of the utility model；

Fig. 3 is the broken line gear state schematic diagram of the driving lever of the utility model；

Fig. 4 is the sheave and cam engagement structural schematic diagram of the utility model；

Fig. 5 is the utility model linkage structure schematic diagram.

Specific embodiment

Referring to Fig.1, Fig. 4 and Fig. 5, the mountain bike of the utility model is with vehicle air charging system, including is mounted on axis 1 Footrest component, the gear shift flywheel 3 being mounted on rear axle 2 and the rear lower fork tube 4 being connected between axis 1 and rear axle 2, the change Fast flywheel 3 is sequentially connected by chain and the footrest component, further includes the cam 5 with 3 unitary rotation of gear shift flywheel, described convex Wheel 5 is mounted on rear axle 2 by bearing；The rear lower fork tube 4 is equipped with opening close to the end of rear axle 2 to form cylinder block, lean on The end of nearly axis 1 is equipped with venthole and is connected with appendix 6, and the piston 7 of leather cup shape, the piston 7 are equipped in rear lower fork tube 4 Reset spring 8 is provided between the end of axis 1 with rear lower fork tube 4, the piston 7, which is also fixed with from the opening, to be stretched out Piston rod 9, the outer end of the piston rod 9 is fixed with one end of the extension rod 14 parallel with rear axle 2, the extension rod 14 The other end is hinged with sheave 11, and the edge of the cam 5 installs in the slot of the sheave 11.Footrest component rotates, in drive Axis 1 rotates, and axis 1 is rotated by chain-driving rear axle 2, and rear axle 2 drives gear shift flywheel 3 to rotate, and gear shift flywheel 3 is with moving cam 5 Rotation, since cam 5 is connected with the end of piston rod 9 by sheave and extension rod, the rotation of cam 5 can drive piston rod 9 left Right reciprocating motion, drive rod band piston 7 moves, to complete gas replenishment process.When specific inflation, by the end of appendix 6 with It needs the air inlet of pneumatic tire to be connected to, using the original ratchet ratchet principle of bicycle, rotates backward footrest component, wheel will not Rotation, but chain, gear shift flywheel 3 and cam 5 can rotate, and can be inflated for front-wheel or rear-wheel.Here, piston 7 uses skin Bowl-shape structure, as the principle of old-fashioned leather cup inflator, when pressing piston 7, the inner wall of cylinder block is close at the edge of leather cup, Make the space confined space of piston 7 and rear lower fork tube 4 between the end of axis 1, is inflated；When drawing piston 7, Under airflow function, leather cup edge is detached from the inner wall of cylinder block, and ambient atmosphere is full of entire cylinder block, and the space for keeping it internal is all Then atmospheric pressure is pressed piston 7 again, is inflated, so recycle.Here, rear lower fork tube 4 is offered close to the end of rear axle 2 Opening, piston rod 9 also need to abut the edge of cam 5 after stretching out from the opening, so what those skilled in the art were readily apparent that, under rear The end of the close rear axle 2 of breeches pipe 4 and the connection of rear axle can not interfere the movement of piston rod 9, can not interfere piston rod 9 With the abutting of cam 5, so rear lower fork tube 4 can end be fixed on other positions of bicycle, or using being located at rear lower fork tube 4 Outer peripheral forks piece fork is on rear axle 2.

Referring to Fig. 2 and Fig. 3, as a further improvement of the above technical scheme, the outer end of the piston rod 9, which is provided with, is dialled One end of bar 10, the driving lever 10 is connect with the outer end of piston rod 9, another end of the driving lever 10 and extension rod 14 are fixedly connected, and the driving lever 10 forms two kinds of gears of straight line and broken line by rotation and piston rod 9, driving lever 10 when straight line gear Outer end abut the outer edge of cam 5, the outer end of driving lever 10 is fixed on bicycle with de- with cam 5 when broken line gear From.Here, the conventional structure that multiple gears can be achieved of this field, such as driving lever can be used in the connection of driving lever 10 and piston rod 9 10 and piston rod 9 can intert a bolt jointly, adjust loose bolt to carry out the rotation of spanner, after being adjusted to required position, fasten spiral shell Bolt is realized and is fixed；Or driving lever 10 and piston rod 9 can be made to connect and more fastened, to ensure that driving lever 10 is positively retained at any rotation position It sets；Or driving lever 10 and piston rod 9 hingedly and by buckle lock.Here, the outer end of driving lever 10 is fixed when broken line gear The skill that the common those skilled in the art such as rope binding, buckle locking, magnet actuation are contemplated that can be used on bicycle Art means.

For the straightness for ensureing the reciprocating motion of piston rod 9, the rear lower fork tube 4 is combined with end cap close to the end of rear axle 2, The middle part for being provided with end cap, and the diameter being open is equal with the diameter of piston rod 9, is also provided on the end cap Stomata.Opening limitation 9 circular runout of piston rod, air hole are atmosphere to ensure region air pressure of the piston 7 close to 2 side of rear axle Pressure inflates the going on smoothly of function to ensure.

Preferably, it is relatively fixed to realize with cam 5 to be interspersed with a positioning pin jointly for the gear shift flywheel 3.Certainly, at it In his embodiment, welding, bolt, buckle, card slot etc. can also be used and realize the relatively fixed of gear shift flywheel 3 and cam 5.

It further, further include the wire clamp 12 being fixed on vehicle frame, the appendix 6 is installed on the wire clamp 12.No Used time is stuck in wire clamp 12, is needed in use, it is removed out of wire clamp 12.

Further, the end of the appendix 6 is connected with gas nozzle 13.

The above specific structure and dimension data are illustrated to the preferred embodiment of the utility model, but this reality It is not limited to the specific embodiments with novel creation, those skilled in the art are in the premise without prejudice to the spirit of the present invention Various equivalent deformation or replacement can be also made down, these equivalent deformations or replacement are all contained in the claim of this application and are limited In fixed range.

Claims (6)

1. mountain bike is with vehicle air charging system, including be mounted on axis (1) footrest component, be mounted on rear axle (2) Gear shift flywheel (3) and the rear lower fork tube (4) being connected between axis (1) and rear axle (2), the gear shift flywheel (3) pass through chain With the footrest component be sequentially connected, it is characterised in that: further include with the cam (5) of gear shift flywheel (3) unitary rotation, it is described convex Wheel (5) is mounted on rear axle (2) by bearing；The rear lower fork tube (4) is equipped with opening close to the end of rear axle (2) to form gas Cylinder body is equipped with venthole close to the end of axis (1) and is connected with appendix (6), and the work of leather cup shape is equipped in rear lower fork tube (4) It fills in (7), the piston (7) and rear lower fork tube (4) are provided with reset spring (8), the piston between the end of axis (1) (7) it is also fixed with the piston rod (9) stretched out from the opening, the outer end of the piston rod (9) is fixed with parallel with rear axle (2) Extension rod (14) one end, the other end of the extension rod (14) is hinged with sheave (11), and the edge of the cam (5) installs In the slot of the sheave (11).

2. mountain bike according to claim 1 is with vehicle air charging system, it is characterised in that: outside the piston rod (9) End is provided with driving lever (10), and an end of the driving lever (10) is connect with the outer end of piston rod (9), the driving lever (10) Another end be fixedly connected with extension rod (14), the driving lever (10) forms straight line and folding by rotation and piston rod (9) Two kinds of gears of line, the outer end of driving lever (10) abuts the outer edge of cam (5) when straight line gear, driving lever (10) when broken line gear Outer end is fixed on bicycle to be detached from cam (5).

3. mountain bike according to claim 1 or 2 is with vehicle air charging system, it is characterised in that: the rear lower fork tube (4) End cap, the middle part for being provided with end cap, and the diameter being open and piston rod (9) are combined with close to the end of rear axle (2) Diameter it is equal, be also provided with air hole on the end cap.

4. mountain bike according to claim 3 is with vehicle air charging system, it is characterised in that: the gear shift flywheel (3) with It is relatively fixed to realize that cam (5) is interspersed with a positioning pin jointly.

5. mountain bike according to claim 1 is with vehicle air charging system, it is characterised in that: further include being fixed on vehicle frame Wire clamp (12), the appendix (6) is installed on the wire clamp (12).

6. mountain bike according to claim 5 is with vehicle air charging system, it is characterised in that: the end of the appendix (6) Portion is connected with gas nozzle (13).