CN209037763U - A kind of height-adjustable cycle frame - Google Patents

Abstract

The utility model discloses a kind of height-adjustable cycle frames, including direction adjusting rod, direction adjusting rod end is connected with preceding wheel sleeve, its front-wheel sleeve inner is provided with location hole, and positioning hole side wall is connected with locating rod, the front-wheel barrel end is connected with tie rod, the front-wheel fixation rack end is fixed with front-wheel cross bar, and front-wheel cross bar lateral wall is connected with front-wheel, the supporting beam top is connected with support base sleeve, its support base set medial wall of the tube is connected with support base shaft, and spring is fixed with inside support base shaft, the spring top is connected with buffer bar, and buffer bar top is equipped with bench, the supporting beam left side wall is connected with rear wheel support frame, thereafter wheeling supporting frame end is fixed with rear-wheel cross bar, and rear-wheel cross bar lateral wall is equipped with rear-wheel.The height-adjustable cycle frame uses height-adjustable cycle frame, substantially increases comfort level of the bicycle as the vehicles, while structure is simple, is convenient for marketing.

Description

A kind of height-adjustable cycle frame

Technical field

The utility model relates to technical field of bicycles, specially a kind of height-adjustable cycle frame.

Background technique

China is countries most using bicycle in the world, and bicycle is not only able to as the environmentally protective vehicles Energy-saving and emission-reduction, reduce the air pollution particle of motor vehicle emission, and the physique of the nation people can be improved, and country is mentioning always energetically Advocate

Still the lady's bicycle vehicle frame without beam is fixed the either in men's style bicycle of traditional bicycle, and vehicle frame is high Degree and length are not adjustable, and people of different heights is using a bicycle because vehicle frame is fixed, and different people is to voluntarily height There are different requirements, height and bicycle are mismatched, can be uncomfortable during riding.

Summary of the invention

The purpose of this utility model is to provide a kind of height-adjustable cycle frames, to solve in above-mentioned background technique Still the lady's bicycle vehicle frame without beam is fixed the either in men's style bicycle of the traditional bicycle proposed, height of chassis above ground It is not adjustable with length, for people of different heights using a bicycle because vehicle frame is fixed, different people has voluntarily height Difference requires, and height and bicycle are mismatched, can uncomfortable problem during riding.

To achieve the above object, the utility model provides the following technical solutions: a kind of height-adjustable cycle frame, packet Direction adjusting rod is included, direction adjusting rod end is connected with preceding wheel sleeve, and front-wheel sleeve inner is provided with location hole, and fixed Position hole inner sidewall is connected with locating rod, and the front-wheel barrel end is connected with tie rod, and tie rod end connects There is front-wheel fixation rack, the front-wheel fixation rack end is fixed with front-wheel cross bar, and front-wheel cross bar lateral wall is connected with front-wheel, described Tie rod left side wall is fixed with crossbeam, and beam-ends are connected with supporting beam, and supporting beam end is provided with foot pedal, institute It states supporting beam top and is connected with support base sleeve, support base set medial wall of the tube is connected with support base shaft, and support base shaft Inside is fixed with spring, and the spring top is connected with buffer bar, and buffer bar top is equipped with bench, the supporting beam left side Wall is connected with rear wheel support frame, and wheeling supporting frame end is fixed with rear-wheel cross bar thereafter, and rear-wheel cross bar lateral wall is equipped with rear-wheel.

Preferably, the outer diameter of the preceding wheel sleeve and the inner diameter size of tie rod are equal, and preceding wheel sleeve and front-wheel Connection type between connecting rod is to be slidably connected.

Preferably, the location hole is equidistantly distributed in front-wheel sleeve inner, and the volume of locating rod and location hole is equal Shape size mutually coincide, and the connection type between locating rod and location hole is to be slidably connected.

Preferably, the buffer bar and support base shaft are connected with each other by spring, and buffer bar passes through spring and support Seat shaft constitutes elastic connection structure.

Preferably, the outer diameter of the support base shaft and the inner diameter size of support base sleeve are equal, and support base shaft and Connection type between support base sleeve is to be slidably connected.

Compared with prior art, the utility model has the beneficial effects that the height-adjustable cycle frame is using height Adjustable cycle frame, substantially increases comfort level of the bicycle as the vehicles, while structure is simple, pushes away convenient for market Extensively.The outer diameter of preceding wheel sleeve and the inner diameter size of tie rod are equal, and the connection between preceding wheel sleeve and tie rod Mode is to be slidably connected, and is convenient for the height of user's adjusting direction adjusting rod by the preceding wheel sleeve and tie rod that are slidably connected Degree improves user's bicycle usage comfort, and location hole is equidistantly distributed in front-wheel sleeve inner, locating rod and location hole Volume equal shape size is mutually coincide, and the connection type between locating rod and location hole is to be slidably connected, and is connected by sliding The locating rod that connects and positioning pore structure are simple, convenient for user it is fixed before wheel sleeve, wheel sleeve glides and influences bicycle and makes before preventing With buffer bar and support base shaft are connected with each other by spring, and buffer bar constitutes elasticity even by spring and support base shaft Binding structure effectively reduces the vibration amplitude of bench by the buffer bar and support base shaft of elastic connection, so that bicycle Held stationary in driving process, the outer diameter of support base shaft and the inner diameter size of support base sleeve are equal, and support base shaft and Connection type between support base sleeve is to be slidably connected, and is convenient for using by the support base shaft and support base sleeve that are slidably connected Family adjusts bench height, further increases user's bicycle usage comfort, improves the competitiveness of product in market.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model front-wheel tube-in-tube structure schematic diagram；

Fig. 3 is the utility model support base pivot structure schematic diagram；

Fig. 4 is enlarged structure schematic diagram at A in the utility model Fig. 1.

In figure: 1, direction adjusting rod, 2, preceding wheel sleeve, 3, locating rod, 4, location hole, 5, tie rod, 6, front-wheel it is solid Determine frame, 7, front-wheel cross bar, 8, front-wheel, 9, crossbeam, 10, supporting beam, 11, foot pedal, 12, bench, 13, buffer bar, 14, spring, 15, support base shaft, 16, support base sleeve, 17, rear wheel support frame, 18, rear-wheel cross bar, 19, rear-wheel.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of height-adjustable cycle frame, including Direction adjusting rod 1,1 end of direction adjusting rod are connected with preceding wheel sleeve 2, and preceding wheel sleeve 2 is internally provided with location hole 4, and fixed 4 inner sidewall of position hole is connected with locating rod 3, and the outer diameter of preceding wheel sleeve 2 and the inner diameter size of tie rod 5 are equal, and preceding wheel case Connection type between cylinder 2 and tie rod 5 is to be slidably connected, and passes through the preceding wheel sleeve 2 and tie rod 5 being slidably connected The height of direction adjusting rod 1 is adjusted convenient for user, improves user's bicycle usage comfort, and location hole 4 is equidistantly distributed in preceding Inside wheel sleeve 2, the volume equal shape size of locating rod 3 and location hole 4 is mutually coincide, and locating rod 3 and location hole 4 it Between connection type be to be slidably connected, it is simple by the locating rod 3 and 4 structure of location hole that are slidably connected, convenient for user it is fixed before Wheel sleeve 2, wheel sleeve 2, which glides, before preventing influences bicycle use, and preceding 2 end of wheel sleeve is connected with tie rod 5, and front-wheel 5 end of connecting rod is connected with front-wheel fixation rack 6, and 6 end of front-wheel fixation rack is fixed with front-wheel cross bar 7, and 7 lateral wall of front-wheel cross bar It is connected with front-wheel 8,5 left side wall of tie rod is fixed with crossbeam 9, and 9 end of crossbeam is connected with supporting beam 10, and supporting beam 10 End is provided with foot pedal 11, and 10 top of supporting beam is connected with support base sleeve 16, and 16 inner sidewall of support base sleeve is connected with Support base shaft 15, and spring 14 is fixed with inside support base shaft 15, the outer diameter and support base sleeve 16 of support base shaft 15 Inner diameter size it is equal, and the connection type between support base shaft 15 and support base sleeve 16 be slidably connected, pass through sliding The support base shaft 15 and support base sleeve 16 of connection adjust 12 height of bench convenient for user, and further increasing user's bicycle makes With comfort level, the competitiveness of product in market is improved, 14 top of spring is connected with buffer bar 13, and 13 top of buffer bar is equipped with seat Stool 12, buffer bar 13 and support base shaft 15 are connected with each other by spring 14, and buffer bar 13 is turned by spring 14 and support base Axis 15 constitutes elastic connection structure, effectively reduces bench 12 by the buffer bar 13 and support base shaft 15 of elastic connection Vibration amplitude, so that held stationary during bicycle running, 10 left side wall of supporting beam is connected with rear wheel support frame 17, rear-wheel 17 end of support frame is fixed with rear-wheel cross bar 18, and 18 lateral wall of rear-wheel cross bar is equipped with rear-wheel 19.

Working principle: when using the height-adjustable cycle frame, first check in bicycle whether is each components Connect it is intact, after inspection user according to height pull locating rod 3 locating rod 3 is separated from each other with location hole 4, then draw It moves so that preceding wheel sleeve 2 and 5 relative displacement of tie rod make direction adjusting rod 1 adjust suitable height, direction adjusting rod 1 Direction adjusting rod 1 is fixed in locating rod 3 and the interconnection of location hole 4 again after height adjustment, direction adjusting rod 1 User pulls support base shaft 15 to make support base shaft 15 relative to 16 upper and lower displacement of support base sleeve again after fixation, Bench 12 is adjusted and arrives suitable height, again by locating rod 3 and location hole 4 to bench 12 after 12 height adjustment of bench Be fixed, user uses bicycle after bench 12 is fixed, during bicycle running due to road jolt so that Bicycle generates vibration, by the vibration of bicycle so that spring 14 is shunk between buffer bar 13 and support base shaft 15, leads to The contraction for crossing spring 14 reduces the vibration amplitude of bench 12, to improve user's usage comfort, here it is the height-adjustables The use process of cycle frame.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of height-adjustable cycle frame, including direction adjusting rod (1), it is characterised in that: the direction adjusting rod (1) End is connected with preceding wheel sleeve (2), and preceding wheel sleeve (2) is internally provided with location hole (4), and location hole (4) inner sidewall connects Have locating rod (3), preceding wheel sleeve (2) end is connected with tie rod (5), and tie rod (5) end is connected with Front-wheel fixation rack (6), front-wheel fixation rack (6) end are fixed with front-wheel cross bar (7), and front-wheel cross bar (7) lateral wall connects Having front-wheel (8), tie rod (5) left side wall is fixed with crossbeam (9), and crossbeam (9) end is connected with supporting beam (10), And supporting beam (10) end is provided with foot pedal (11), supporting beam (10) top is connected with support base sleeve (16), branch Support cover for seat cylinder (16) inner sidewall is connected with support base shaft (15), and is fixed with spring (14), institute inside support base shaft (15) It states spring (14) top to be connected with buffer bar (13), and buffer bar (13) top is equipped with bench (12), the supporting beam (10) Left side wall is connected with rear wheel support frame (17), and wheeling supporting frame (17) end is fixed with rear-wheel cross bar (18) thereafter, and rear-wheel cross bar (18) lateral wall is equipped with rear-wheel (19).

2. a kind of height-adjustable cycle frame according to claim 1, it is characterised in that: the preceding wheel sleeve (2) Outer diameter and tie rod (5) inner diameter size it is equal, and the connection side between preceding wheel sleeve (2) and tie rod (5) Formula is to be slidably connected.

3. a kind of height-adjustable cycle frame according to claim 1, it is characterised in that: described location hole (4) etc. Range distribution is internal in preceding wheel sleeve (2), and the volume equal shape size of locating rod (3) and location hole (4) is mutually coincide, and Connection type between locating rod (3) and location hole (4) is to be slidably connected.

4. a kind of height-adjustable cycle frame according to claim 1, it is characterised in that: the buffer bar (13) and Support base shaft (15) is connected with each other by spring (14), and buffer bar (13) passes through spring (14) and support base shaft (15) structure At elastic connection structure.

5. a kind of height-adjustable cycle frame according to claim 1, it is characterised in that: the support base shaft (15) inner diameter size of outer diameter and support base sleeve (16) is equal, and between support base shaft (15) and support base sleeve (16) Connection type be slidably connected.