CN2194330Y

CN2194330Y - Sitting force increasing speed bicycle

Info

Publication number: CN2194330Y
Application number: CN 94239089
Authority: CN
Inventors: 俞智才
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-22
Filing date: 1994-07-22
Publication date: 1995-04-12
Anticipated expiration: 2004-07-22

Abstract

The utility model relates to a sitting force increasing speed bicycle which utilizes that the downward impulsive force produced by self weight of the human body bumps continually as the auxiliary power when the bicycle is ridden. The utility model utilizes a lever mechanism, a one-way actuator and a fulcra on a saddle tube thereof to hinge the push rod. The lower fulcra of the push rod articulates the short arm of a stroking lever which is fixed on a tripod rest. The long arm of the stroking lever is connected with a one-way clutch nesting in suspense on the left shoulder of the back axle by a buffering pullback spring to generate forward accelerating force on the back wheel to achieve the purposes of riding-labour saving and agility.

Description

Sitting force increasing speed bicycle

The utility model relates to a kind of power speeding-up bike.

In order to utilize people's gravity to alleviate riding resistance, I applied for that the patent No. is 92108392.0 " Accelerater for bicycle drive by saddle sitting force " and had applied for that the patent No. is " recoil acceleration bicycle " two patents of 93225531.0 on April 13rd, 93 on April 29th, 92 in the prior art.Previous patent is only utilized the recoil about 30%; The patent in back will be destroyed the fixed sturcture of bicycle tripod, influence the intensity of car body, and reduction torsion spring has torsion little, and inconvenient shortcoming is installed.

The purpose of this utility model is to provide a kind of Stability Analysis of Structures, body weight degree of utilization height, seat power speeding-up bike easy to install and use.

In order to achieve the above object, the utility model adopts following technical proposals: referring to Fig. 1, saddle assigns on bicycle tripod by the elasticity seatpillar, the push rod of the articulated leptospira structure of last fulcrum of seatpillar, the lower fulcrum of push rod is hinged with the galianconism that expands the journey lever, expanding the journey lever is fixed on the spider, expand the long-armed of journey lever and be connected with an outstanding free-wheel clutch that is enclosed within on the shaft shoulder of a rear axle left side, between the clamping plate in the free-wheel clutch and its outer interlock dish of empty cover reset tension spring is housed by a buffering extension spring.

When jolting when riding, human body gravity is by saddle elasticity of compression seatpillar, saddle descends, by push rod to moving down, expansion journey lever is clockwise rotated, expansion journey lever is long-armed to be rotated counterclockwise by buffering extension spring pulling free-wheel clutch, rotates forward thereby drive bicycle rear, has produced the speedup effect of human body gravity.During to scend, by the elasticity seatpillar, saddle rises, to perform the preparation of speedup effect next time at human body.Reset tension spring can make clamping plate and interlock dish when saddle rises, and is returned to rapidly to make power-transfer clutch be in outstanding cover state, free-wheel clutch is resetted as cw do not produce resistance when rotating.It replaces three torsion spring effects in the original design, and it is more convenient that free-wheel clutch is installed.

The utility model is compared with original design, and it is stable to have body construction, body weight degree of utilization height, advantage such as easy to install.

The drawing explanation of accompanying drawing:

Fig. 1 is the structure principle chart of the utility model embodiment.

Fig. 2 is the structural representation of free-wheel clutch in the utility model embodiment.

Embodiment of the present utility model is: referring to Fig. 1, Fig. 2: (1) is saddle, (2) be the push rod of scalable length, (3) are to expand the journey lever, and (4) are the buffering extension springs, (5) be free-wheel clutch, (6) be tension spring, make free-wheel clutch when saddle rises, be returned to reference position, its pulling force is greater than reset tension spring (17), less than buffering extension spring (4).(10) G and buffering extension spring bonded assembly pulling chain, (12) be three lever pins, (13) are three levers, and (14) are three push rods, (15) be three pinch rollers, (16) be three and carve plate, (17) are reset tension springs, and (18) are three locating wheels, (19) be the garden clamping plate of two riveted joints, (20) be the interlock dish, (21) are reset chains, link to each other with tension spring.

Claims

1, a kind of power speeding-up bike, it is characterized in that saddle [1] is inserted on bicycle tripod [7] pipe by elasticity seatpillar [8], the articulated push rod of last fulcrum [2] of seatpillar [8], the push rod lower fulcrum is hinged with expansion journey lever [3] galianconism, expand the journey lever and be fixed on the spider, expand that the journey lever is long-armed to be passed through a buffering extension spring (4) and be connected with an outstanding free-wheel clutch (5) that is enclosed within on the left shaft shoulder of rear axle.

2, speeding-up bike according to claim 1 is characterized in that push rod ［ 2 ］ adopts leptospira structure.

3, speeding-up bike according to claim 1 is characterized in that clamping plate (19) and empty the overlapping between its outer interlock dish (20) in the free-wheel clutch ［ 5 ］ is equipped with reset tension spring (17).