CN2178205Y

CN2178205Y - Prop stand for bicycle

Info

Publication number: CN2178205Y
Application number: CN 92204364
Authority: CN
Inventors: 段毅聪
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-03-12
Filing date: 1992-03-12
Publication date: 1994-09-28
Anticipated expiration: 2002-03-12

Abstract

The utility model relates to a prop stand for a bicycle, and a leg which is fixed at a flat-topped ridge of the bicycle depends on an operating lever and a handle to be driven to fold and support through a wire rope. Two support points on the leg form a stable triangle with the support point of a front wheel or a back wheel of the bicycle, which causes a person who rides the bicycle to keep the bicycle steady without getting off or supporting ground with a toe tip when the person who rides the bicycle is in pause time. The utility model has the advantages of big support strength, simple structure, reasonableness, convenient manufacture and strong practicability.

Description

Prop stand for bicycle

The utility model relates to a kind of later-model multipurpose bicycle parking bracket.

Present employed cycle rack, no matter which kind of is, though it is simple in structure, their use is limited to very much, function singleness, and support strength is little, and flexible type damages, when people often need to suspend on crowded highway by bike, the cyclist must in time prop up ground with tiptoe or get off, keeping the stabilized conditions of people, car, otherwise just take place easily that overturning thrustes into and wait traffic accident, especially every day in a large number cumbersome, unnecessary bicycles up and down brought immeasurable worry to people.

The purpose of this utility model overcomes the deficiencies in the prior art part exactly, provide a kind of support strength height, rational in infrastructure, simple, easy to make, applicability is strong, when being used for need suspending by bike, the cyclist need not prop up ground or get off and just can keep the later-model multipurpose bicycle parking bracket of stably standing with tiptoe.

Principle of work of the present utility model mainly is the mechanical balance principle that the force becomes face.During holding state, no matter the people takes back onboard or takes over, the strong point of the strong point of two wheels of support and the front and back wheel of bicycle can both form a stable triangle, and the people does not fall in about 20 degree of offset from perpendicular onboard, gives a kind of good sense of security of people.

The utility model mainly partly is made up of supporting mechanism, operating mechanism, holding structure etc., and wherein, supporting mechanism is a base portion, and all the other are accessory constituent.

Below in conjunction with accompanying drawing its structure is specifically described:

Fig. 1 is the back view of the utility model supporting mechanism;

Fig. 2 is the lateral plan of the utility model supporting mechanism;

Fig. 3 is the utility model operating mechanism, the scheme drawing of holding structure;

Fig. 4 looks up sketch for supporting leg in the utility model supporting mechanism when rounding state;

Fig. 5 is the backsight sketch of supporting leg when holding state in the utility model supporting mechanism;

For supporting mechanism, bracing frame 1 is one-time formed integral structure, its material can be selected malleable iron or engineering plastics for use, have two screws 27 in two upper ends of bracing frame 1, and line of centers symmetry with bracing frame 1, and respectively with adjusting screw(rod) 3, setting nut 7 fuses, adjusting screw(rod) 3 upper ends are a homalocephalus shape, have two holes and be used for fixing flat-topped ridge card 6, flat-topped ridge card 6 can be fixed together, like this with the flat-topped ridge 26 of bicycle, adjusting screw(rod) 3 can be connected with various bicycle flat-topped ridges, can be according to stepless the heightening of needs of using height.

A spring-hanging board 28 arranged in that the back upside of bracing frame 1 is protruding, be connected with an end of extension spring 4, have two cell bodies 29 that are mutually 100 ° ± 5 ° of angles in two lower ends of bracing frame 1, and respectively with the line of centers symmetry of bracing frame 1, and wherein the direction of an open end becomes 50 ° ± 2.5 ° with the line of centers of bracing frame 1, on cell body 29, have through-core hole 30, one end of supporting leg 2 is fused by through-core hole 30 and cell body 29 with bolt of rear end plate 8, the other end at supporting leg 2 has steamboat 5, have solid rubber on the steamboat 5, spring cotter 12 is fixed on the supporting leg 2 and with the other end of extension spring 4 and is connected.In Fig. 2,3, sleeve pipe is arranged outside the steel rope 10, one end is fixed on the semiaxis 18 of control lever 13, the other end passes the spacing card 17 of separated time in proper order, guide piece 9, be fixed in the supporting leg 2 with jackscrew 11 at last, an end of guide piece 9 is fixed on the downside of bracing frame 1 with bolt of rear end plate 8, and the other end of guide piece 9 has the sleeve pipe that a hole is used for fixing steel rope 10.For operating mechanism, stretcher 31 is arranged behind control lever 13, its control lever 13 middle and lower parts have a hole, with axle bolt 15, cant beam fixed card 14 is fixed on the root upside position of bicycle cant beam 32 with control lever 13, in the front end activity riveting of control lever 13 semiaxis 18 is arranged, its axle is gone up porose, be connected with steel rope 10, like this, supporting mechanism and operating mechanism can be linked to be an interlocking system by steel rope 10.In the utility model, adjusting screw(rod) 3, control lever 13, supporting leg 2 adopt materials such as malleable iron or engineering plastics once to cast respectively and form.

After applying application force on the stretcher 31 at control lever 13, supporting leg 2 is stressed, forwards holding state along the cell body on the bracing frame 1 29 to by original rounding state.(can be referring to accompanying

drawing

4,5, wherein, Fig. 4 represents that supporting leg 2 looks up sketch when rounding state, Fig. 5 represents the backsight sketch of supporting leg 2 when holding state, the angle of its supporting leg 2 when gathering and holding state is respectively 20 ° ± 5 ° angles and 100 ° ± 5 ° angles, in an embodiment, the angle between its supporting leg 2 can be selected 20 ° of angles and 100 ° of angles respectively for use).At this moment, spacing between two steamboats 5 also changes to maximum by minimum, and is same, when supporting leg 2 changes rounding state into by holding state, spacing between two steamboats 5 on the supporting leg 2 also becomes minimum by maximum, and it takes up space when rounding state can to save supporting leg 2 like this.For holding structure: jack 19 and torsion spring 21 are placed on the middle part of separated time line position card 17 respectively, use cant beam fixed card 14 respectively, bolt 16 is fixed on the downside of cant beam 32, wherein, the lower end of jack 19 is fixed with the lower end of steel rope 25 again, the upper end is the little circular arc that a radian and semiaxis 18 match, and just in time semiaxis 18 can be blocked when contacting with semiaxis 18.Torsion spring 21 has the effect of downward bounce-back, and the one end is fixed on the spacing card 17 of separated time, and the other end is fixed on the upside of jack 19; The spacing card 20 of cant beam is fixed between cant beam 32 upper ends and the cant beam fixed card 14, has an aperture on it, is used for fixing the sleeve end of steel cable silk 25, plays spacing effect; Deposit locator card 23 and be fixed on the position of the exceedingly high screw 22 of bicycle, its side has a movably positioning groove, miniature lever 24 is arranged in the groove, have a hole in the opposite side bottom of depositing locator card 23, aperture is passed in the upper end of steel rope 25, be connected and fixed with an end of miniature lever 24, become an interlocking system at last.

The utility model is to realize like this.Referring to accompanying drawing, the mutual alignment relation by each parts connects them successively, is installed in the positions such as flat-topped ridge, cant beam and exceedingly high screw of bicycle then respectively.

With the pedal 31 on the foot-operated control lever 13 down, pulling force transmits by steel rope 10, and guide piece 9 break-ins make supporting leg 2 forward holding state downwards to by rounding state, and when pin during from pedal 31, supporting leg 2 automatically resets to rounding state under the effect of extension spring 4.When depositing bicycle, with foot-operated control lever 13 down, upwards loosening simultaneously miniature lever 24, external force disappear, and jack 19 rotates under the rebound effect of extension spring 21, until blocking semiaxis 18.Can keep the stabilized conditions of bracing frame 1 when supporting like this, reach the purpose of depositing bicycle.

When needing to start, again with foot-operated firmly control lever 13, moving down miniature lever 24 simultaneously resets it, steel rope 25 transmission pulling force, overcome the bounce of torsion spring 21, jack 19 disengaging semiaxis 18 are upwards rotated reset, pin breaks away from control lever 13, and supporting leg 2 automatically resets to rounding state under the effect of extension spring 4.

Need not change the parts of present bicycle, can on bicycle, load onto this support, it both inherited bicycle simply, gently make, practical characteristics, have simultaneously original support of replacement to deposit bicycle again, at red light or when stopping arbitrarily as required and characteristics such as need not get off.This support intensity is big, is difficult for deformed damaged, and when load-carrying reached more than 200 kilogram, the cyclist still can stop freely.

Claims

1, multipurpose bicycle parking bracket belongs to bicycle accessory, and it comprises the bracing frame 1 that is fixedly linked with bicycle, with the bracing frame 1 hinged supporting leg that links 2, the elastomeric element that links with bracing frame 1 and supporting leg 2, and the parts that are connected and fixed of each parts is characterized in that:

1), the two ends up and down of bracing frame 1 have screw 27 and cell body 29, bracing frame 1 is fixed on the bicycle flat-topped ridge 26 by screw rod 3, flat-topped ridge card 6, supporting leg 2 connects with bracing frame 1 activity by cell body 29;

2), control lever 13 is by cant beam fixed card 14 and 32 fastening connections of bicycle cant beam, an end of steel rope 10 is fixed on the control lever 13, the other end is respectively by the spacing card 17 of separated time, guide piece 9 then is fixed on the supporting leg 2 with jackscrew 11;

3), an end of jack 19 and torsion spring 21 is fixed on the downside of cant beam 32 respectively with cant beam fixed card 14, bolt 16, the spacing card 20 of cant beam is fixed between cant beam 32 upper ends and the cant beam fixed card 14, depositing locator card 23 is fixed on the exceedingly high screw 22 of bicycle, one end of steel rope 25 is fixed on the jack 19, the other end by the spacing card 20 of cant beam, deposit locator card 23 and connect with handle 24 in its groove.

2, parking bracket according to claim 1 is characterized in that: the back upside at bracing frame 1 has a spring-hanging board 28, and an end of extension spring 4 connects with spring-hanging board 28, and the other end connects with spring cotter 12 on the supporting leg 2.

3, parking bracket according to claim 1, it is characterized in that: the open end of two screws 27 of bracing frame 1 upper end and two cell bodies 29 of lower end respectively with the line of centers symmetry of bracing frame 1, and the open end direction of two cell bodies 29 is mutually 100 ° ± 5 ° angles, and wherein the line of centers of the direction of an open end and bracing frame 1 is mutually 50 ° ± 2.5 ° angles.

4, parking bracket according to claim 1, it is characterized in that: an end of control lever 13 has tread plate 31, the other end is a semiaxis 18, and an end of guide piece 9 is fixed on the downside of bracing frame 1 by bolt 8, and the other end has a hole with the fixing outer tube of steel rope 10.

5, according to claim 1,4 described parking brackets, it is characterized in that: the upper end of jack 19 is little circular arcs that a radian and semiaxis 18 match, and an end of torsion spring 21 is fixed on the jack 19.

6, according to claim 1,3 described parking brackets, it is characterized in that: the supporting leg 2 on the bracing frame 1 is when its holding state, and the angle between two supporting legs 2 is 100 ° ± 5 ° angles, and when its rounding state, the angle between two supporting legs 2 is 20 ° ± 5 ° angles.