CN2081362U

CN2081362U - Bicycle-fixed unit

Info

Publication number: CN2081362U
Application number: CN 90201184
Authority: CN
Inventors: 吴皎良
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-01-23
Filing date: 1990-01-23
Publication date: 1991-07-24

Abstract

The utility model discloses a bicycle-fixed unit, composed of a right and left communicated U-shaped rack arranged on a back wheel shaft, the right and left retractable legs with the upper end connected with a leg seat on the upper part of the U-shaped rack and length reaching the road surface as the adjusting point moving follow the U-shaped rack, the right and left guide plates with an empty slot for the U-shaped rack to come and go a streamline transition surface outward opened by the movement of the legs respectively fixed on the right and left ends of the back wheel shaft, a ratchet cover plate fixed to the left of the mean axis controlling the U-shaped rack travelling to the ground by being connected with a steel wire, a spring whose one end is fixed to the bicycle body and whose the other end is used for causing the U-shaped rack backward spring and reset and a resetting tension spring connected to the middle parts of the legs and middle upper part of the legs for causing the U-shaped rack backward spring and reset. The utility model can realize the purpose of fixing the bicycle at the time of parking.

Description

Bicycle-fixed unit

The utility model is the invention about the bicycle aspect.

Being used to of cycling has mode to be: single leg on the upper side during starting, single leg on the lower side during parking, at us is in the country of the main vehicle with bicycle, particularly in the wagon flow on and off duty of city, meet red, this traditional mode of riding tended to make troubles with dangerous to people when green light got on and off.

The purpose of this utility model is need not get off when a kind of parking is provided, and the people also sits onboard, and the pedal support for bicycle device that car can uprightly not fall, this stand for bicycle double as support is used.The utility model be take down on the bicycle original support need not, and use by about the U-shaped frame that is connected in two ends, the hind axle left and right sides that is communicated with; The upper end connects with the supporting leg bearing on U-shaped frame top, thus with U-shaped frame action, its length can touch the road surface for the retractable of adjustment about two supporting legs; Be separately fixed at two ends, the hind axle left and right sides, have the stream line pattern transition face that forces its external-open when the dead slot of coming in and going out when moving for the U-shaped frame and supporting leg move about two blocks of guide rail plates; Be fixed on axis left side, by the ratchet cover plate that steel wire connects and control U type frame moves earthward; One end is fixed on the car body, and the other end acts on U type frame and makes the spring of spring-go position thereafter; Be connected midleg and U-shaped frame middle and upper part usefulness so that behind the supporting leg extension spring of spring-go position form, thereby the purpose of deciding car when realizing stopping.

Appended scheme drawing has been set forth embodiment of the present utility model.

At two ends, the hind axle left and right sides, connect one piece by two nuts (2) that U-shaped frame (7) is rotated thereon and walking around the U-shaped frame (7) that the rear tyre periphery takes the shape of the letter U, the effect of U-shaped frame (7) is to opposite side with the transmission of power on the left of the car body.Lift up after being the bottom of U-shaped frame (7), promptly is in when deciding the car state when stand for bicycle, and the bottom of U-shaped frame (7) is in rear tyre periphery and the ground-surface angle space.

Two supporting leg bearings (4) in U-shaped frame (7) upper end are located, but with pin connecting two external-opens with in the supporting leg (3) that closes, there is a bridge-type stop (10) at the middle part of supporting leg (3), one side of bottom has row's downward teeth (12) of the age of a draught animal, opposite side has a chute (11), there is the big sleeve pipe (13) of spring (14) to be loaded on supporting leg (3) bottom in having and is free-running fit in supporting leg (3), there is steamboat (15) big sleeve pipe (13) lower end, the upper end of big sleeve pipe (13) is closed on mouth of pipe place and is correlated supporting leg (3) and have a side of teeth (12) that a wicket is arranged, the wicket place is provided with a ratchet (17), little spring (18) by its rear portion is pressed to them on teeth (12) of supporting leg (3) by window, opposite side has a slide block (16), seeing through tube wall cooperates with chute (11), big sleeve pipe (13) is gone up when sliding at supporting leg (3) can not be changed the orientation, guarantee ratchet (17) on the big sleeve pipe (13) corresponding all the time the teeth (12) on the supporting leg (3), between the bridge-type stop (10) of supporting leg (3) and the big sleeve pipe (13), also be with a small casing (19) and also be free-running fit with leg (3), small casing (19) has been located a grapple (20), the two ends, back of grapple (20) are the slope, small casing (19) inboard has a pull bar (21) to connect with the middle and upper part of U-shaped frame (7), and the middle part of supporting leg (3) has one can make and close the extension spring (8) that resets in the supporting leg (3) and connect with the middle and upper part of U-shaped frame (7).

At the two ends, the left and right sides of hind axle, fixing two blocks of guide rail plates (1) respectively, the guide rail plate forces the stream line pattern transition face of supporting leg (3) external-open when being provided with the dead slot of coming in and going out when supplying U-shaped frame (7) mobile and making supporting leg (3) mobile.

On two nuts (2) at two ends, the hind axle left and right sides, a spring (9) is respectively arranged, an end of spring (9) is fixed on the car body, and the other end acts on U-shaped frame (7), and its effect is U-shaped frame (7) to be popped up backward reset.

In the axis left side, be fixed with a ratchet cover plate (5), the inner disc of the ratchet cover plate (5) is fixed on the axis, one tooth mouth (22) is arranged on its circumference, outer dish is enclosed within on the inner disc, also has only a ratchet (23) on its circumference, has a steel wire (6) and the left side of U-shaped frame (7) to be linked together on the outer dish.In normally riding, inner disc rotates with pedal, because the characteristic of the unidirectional work done of the ratchet cover plate (5), at this moment the ratchet (23) on the outer dish is in along attitude, inoperative, outer dish is motionless, when needing to stop, falls pedal behind the brake, the inner disc counter-rotating, ratchet (23) on the outer dish snaps in the tooth mouth (22) of inner disc according to deadweight, at this moment, and outer dish, inner disc reverses with pedal, pulling steel wire (6) drives U-shaped frame (7) and moves forward downwards, thereby be with two supporting legs (3) also to move forward synchronously together downwards, U-shaped frame (7) is along the dead slot reach of guide rail plate (1), and two supporting legs then open to both sides while moving forward along the stream line pattern transition face of guide rail plate (1).Because stand for bicycle is under reset mode, U-shaped frame (7) is upspring at the car body rear, supporting leg (3) and U-shaped frame (7) are also together, small casing (19) on the supporting leg (3) is pushed to supporting leg (3) bottom by pull bar (21), be close together with big sleeve pipe (13), grapple (20) back on the small casing (19) makes it break away from teeth (12) on supporting leg (3) ratchet (17) jack-up on the big sleeve pipe (13) by the slope of next end, and grapple (20) is being grabbed the wicket forward position on the big sleeve pipe (13) simultaneously.So, when supporting leg (3) with U-shaped frame (7) and along the reach of the streamline contour transition face of guide rail plate (1) and while moving in the open process in both sides, space between supporting leg (3) and U-shaped frame (7) enlarges thereupon, but because the length of pull bar (21) is constant, the small casing (19) of cylinder lever connecting rod (21) only is forced to along supporting leg (3) and is being with on the big sleeve pipe (13) and is moving, when supporting leg (3) reach opens up into certain limit, small casing (19) is blocked by the bridge-type stop (10) on the supporting leg (3), grapple (20) back on the small casing (19) is leaned on the slope of a last end to enter bridge-type stop (10) and is depressed simultaneously, grapple (20) has been lifted up, big sleeve pipe (13) discharges, ratchet on it (17) is pressed to the teeth (12) of supporting leg (3) at once, big sleeve pipe (13) is under the effect of spring (14), glide rapidly, until touching ground, the ratchet (17) on the big sleeve pipe (13) has blocked the teeth (12) on the supporting leg (3), big sleeve pipe (13) can not bounce back, and decides the car action and finishes.Because two supporting legs (3) are to serve as to adjust point to come automatic compensation length to touch ground, so no matter road surface, bicycle both sides is flat, can guarantee that all vehicle body is upright.

When starting to walk again, unclamp brake, pedal pedal forward, preceding commentaries on classics along with the ratchet cover plate (5), U-shaped frame (7) is released, under the effect of spring (9), pop up backward, extension spring (8) is with inwardly drawing of supporting leg (3), space between supporting leg (3) and U-shaped frame (7) dwindles, and small casing (19) moves down along supporting leg (3) under the thrust of pull bar (21), last and big sleeve pipe (13) is nested together, grapple (20) back on the small casing (19) leans on the slope of next end with ratchet (17) jack-up on the big sleeve pipe (13), makes the teeth (12) on its disengaging supporting leg (3), and grapple (20) is being grabbed the wicket forward position on the big sleeve pipe (13) simultaneously, whole stand for bicycle is got back to reset mode again, gets ready for deciding car next time.

The ratchet cover plate (5) is designed to inner disc and has only teeth (22), and outer dish has only a ratchet (23), is that pedal all is poured on a changeless position when deciding car at every turn in order to make, that is: right pedal is in the front upper place so that when starting firmly conveniently.Also have an effect simultaneously, promptly when putting car stand for bicycle is done support, as long as with pin the left side pedal is played to last, pedal promptly forwards the top trippingly to, and then one steps on backward, is about to car and has propped up.

Pedal support for bicycle device in sum can make the mode of the riding generation radical change of being used to have, and makes people obtain to greatly facilitate and safety in riding.

Figure one: stand for bicycle is decided the back view of car state

Figure two: stand for bicycle is decided the lateral plan of car state

Figure three: guide rail plate birds-eye view

Figure four: leg structure figure

Figure five: ratchet cover plate constructional drawing

Claims

1, a kind of pedal support for bicycle device that has the support effect is characterized in that, its mainly by about the U-shaped frame (7) that is connected in two ends, the hind axle left and right sides that is communicated with; The upper end with the supporting leg bearing (4) on U-shaped frame (7) top thus connects with U-shaped frame (7) action, its length can touch the road surface for the retractable of adjustment about two supporting legs (3); Be separately fixed at the hind axle two ends, force when having the dead slot of coming in and going out when mobile and making supporting leg (3) mobile for U type frame (7) its external-open the streamline contour transition face about two blocks of guide rail plates (1); Be fixed on axis left side, by the ratchet cover plate (5) that steel wire (6) connects and control U-shaped frame (7) moves earthward; One end is fixed on the car body, and the other end acts on U-shaped frame (7) and makes the spring of spring-go position (9) thereafter; Be connected supporting leg (3) middle part and U-shaped frame (7) middle and upper part, with so that close stretch bending (8) composition that resets in the supporting leg (3).

2, according to the described pedal support for bicycle device of claim 1, the support body of the U-shaped frame (2) that is connected in two ends, the hind axle left and right sides that is communicated with about it is characterized in that, the periphery of walking around rear tyre takes the shape of the letter U, and lift up after being the bottom.Promptly be in when deciding the car state when stand for bicycle, the bottom of U-shaped frame (7) is in the periphery and the ground-surface angle gap of rear tyre.

3, according to the described pedal support for bicycle device of claim 1, the middle part of two supporting legs (3) is provided with a bridge-type stop (10) about it is characterized in that; One side of bottom has a chute (11), and the opposite side relative with chute (11) has row's downward teeth (12) of the age of a draught animal; In have the big sleeve pipe (13) of spring (14) to be loaded on supporting leg (3) bottom and supporting leg (3) is free-running fit; The upper end of big sleeve pipe (13) is closed on mouth of pipe place a wicket, and the fenestella place is provided with a ratchet (17), and the little spring (18) at ratchet (17) rear portion is pressed to ratchet (17) on the teeth (12) of supporting leg (3) by wicket; Big sleeve pipe (13) opposite side relative with window has a slide block (16), cooperates with chute (11) on the supporting leg (3) through tube wall; Be with small casing (19) between bridge-type stop (10) and the big sleeve pipe (13), be free-running fit with supporting leg (3), it is provided with a grapple (20), and the two ends, back of grapple (20) are the slope; The inboard of small casing (19) is connected with the middle and upper part of U-shaped frame (2) by pull bar (21).

4, according to the described pedal support for bicycle device of claim 1, the ratchet cover plate (5) that it is characterized in that being fixed on the axis left side is unidirectional work done mechanism, and has only a tooth mouth (22) on the circumference of its inner disc, has only a ratchet (23) on the circumference of outer dish.