CN212099208U

CN212099208U - Sliding telescopic bicycle

Info

Publication number: CN212099208U
Application number: CN202020636395.5U
Authority: CN
Inventors: 周岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-08
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a sliding type telescopic bicycle, which relates to the technical field of bicycles and comprises a cross beam, wherein the front end of the cross beam is fixedly provided with a bicycle front fork, the upper end of the bicycle front fork is fixedly provided with a handlebar, the utility model increases the clearance between a moving block and the cross beam by arranging a convex slide block and a concave slide rail sliding fit mode between the cross beam and the moving block, so that the moving block can not scratch the paint surface on the cross beam when the cross beam slides, the length of a bicycle body can be shortened by the sliding of the moving block and the cross beam, the user can conveniently store and retract the bicycle, a limit structure adopts a mode of inserting a lifting rod and a through hole, the moving block is limited on the cross beam, the stability of a saddle is increased, the height of a seat is adjusted by drawing the lifting rod, and under the condition of not bearing larger transverse and, and through setting up a plurality of through-holes, can adjust comfortable position according to user's stature.

Description

Sliding telescopic bicycle

Technical Field

The utility model relates to a bicycle technical field specifically is a slidingtype concertina type bicycle.

Background

Bicycles, also known as bicycles or bicycles, are usually two-wheeled small land vehicles, which are environment-friendly vehicles powered by pedaling after people ride on the bicycle.

The traditional bicycle frame is formed by welding and connecting the traditional bicycle frame in a welding mode. The whole frame is fixed and can not be adjusted, the length can not be adjusted, the height of a rider can not exceed the design range of the bicycle, otherwise, too high or too low riders feel uncomfortable, the occupied space can not be reduced when the bicycle is folded and unfolded, and further the folding and unfolding of the bicycle are difficult, for example, in a practical novel patent named as a frame length adjusting structure and a bicycle with the patent number of CN201220333419.5, a sliding guide cylinder, a sliding connecting pipe and a locking structure are designed, the length of the frame can be adjusted, the rider can ride the bicycle more comfortably by matching the requirements of the rider, the sliding connecting pipe can move more smoothly by adopting an aluminum alloy sliding sleeve, meanwhile, the clamping part can also prevent the sliding connecting pipe from being too large in the sliding guide cylinder, the sliding sleeve is more wear-resistant by using the aluminum alloy, the service life of the sliding sleeve is prolonged, and the V-shaped brake is safer and more reliable than a common brake device, long service life's bicycle, but current bicycle is when adjusting, leads slide cartridge, sliding connection pipe slip in-process can hang the lacquer painting of leading slide cartridge surface to influence the holistic pleasing to the eye of bicycle, and only through the spacing branch mode of screw with sliding connection pipe locking safety inadequately, when riding passerby and using the bicycle, the sliding connection pipe is moved around taking place very easily, and then causes the threat to riding passerby life safety.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a slidingtype concertina type bicycle has solved current bicycle when adjusting, leads slide cartridge, the sliding connection pipe slides the in-process and can hang the lacquer painting of leading slide cartridge surface to influence the holistic pleasing to the eye of bicycle, and only through the spacing minute mode of screw with sliding connection pipe locking safety inadequately, when riding passerby and using the bicycle, the string moves around sliding connection pipe takes place very easily, and then causes the technical problem of threat to riding passerby life safety.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a slidingtype concertina type bicycle, includes the crossbeam, crossbeam front end fixed mounting has bicycle front fork, bicycle front fork upper end fixed mounting has the handlebar, movable mounting has the front wheel on the bicycle front fork other end, the cover is equipped with the movable block on the crossbeam, movable block and crossbeam sliding connection, fixed mounting has bicycle rear fork on the lateral wall face of movable block lower extreme, movable mounting has the rear wheel on the bicycle rear fork, install the pedal under the movable block on the wall, the pedal passes through chain drive with the rear wheel and is connected, fixed mounting has the saddle on the wall on the movable block, be equipped with limit structure between saddle and the crossbeam.

Preferably, the limiting structure comprises a through hole, the through hole is formed in the upper wall surface of the cross beam, a hollow column is fixedly mounted on the moving block, a seat tube is inserted into the hollow column, the seat is fixedly mounted at the upper end of the seat tube, the seat tube penetrates through the moving block, a locking screw is mounted between the hollow column and the seat tube, and the seat tube is inserted into the through hole.

Preferably, the cross section of the cross beam is in an I-shaped structure, and the through hole is formed in the upper wall surface of the horizontal beam of the I-shaped structure of the cross beam.

Preferably, the number of the through holes is at least four.

Preferably, the diameter of the through hole is larger than that of the seat tube.

Preferably, the four corners of the cross beam are respectively and fixedly provided with a sliding block, the four corners of the inner wall surface of the moving block are respectively provided with a sliding groove, and the moving block is slidably mounted on the sliding block on the cross beam through the sliding grooves.

Preferably, a bicycle basket is fixedly mounted at the front end of a handlebar on the front bicycle fork.

Preferably, the handlebar is sleeved with an anti-skid rubber sleeve.

Advantageous effects

The utility model provides a sliding telescopic bicycle, which solves the technical problems that when the existing bicycle is adjusted, the paint surface on the surface of a sliding cylinder can be scraped off in the sliding process of the sliding cylinder and the sliding connecting pipe, thereby affecting the integral beauty of the bicycle, and the sliding connecting pipe is not locked safely enough only by a screw limiting mode, when a rider uses the bicycle, the sliding connecting pipe is easy to move back and forth, thereby threatening the life safety of the rider, the utility model increases the clearance between a moving block and a cross beam by arranging a sliding fit mode of a convex slider and a concave sliding rail between the cross beam and the moving block, so that the moving block can not scratch the paint surface on the cross beam when the cross beam slides, the sliding block and the cross beam can also shorten the length of a bicycle body, thereby facilitating the user to receive and release and store, and the limiting structure adopts a mode of inserting a seat pipe and a through hole, the moving block is limited on the cross beam, the stability of the saddle is improved, the height of the seat is adjusted through the drawing seat tube, the moving block is stable on the cross beam under the condition of no large transverse and longitudinal shearing force, and the comfortable position can be adjusted according to the stature of a user by arranging a plurality of through holes.

Drawings

Fig. 1 is a schematic view of a front view structure of a sliding telescopic bicycle.

Fig. 2 is a schematic diagram of a limiting structure of the sliding telescopic bicycle of the present invention.

Fig. 3 is a schematic top view of a limiting structure of the sliding telescopic bicycle of the present invention.

In the figure: 1-a cross beam; 2-bicycle front forks; 3-a handlebar; 4-front wheels; 5-moving block; 6-bicycle rear fork; 7-rear wheel; 8-pedaling; 9-vehicle seat; 10-a through hole; 11-a hollow column; 12-a seat tube; 13-locking screws; 14-a slide block; 15-a chute; 16-a basket; 17-antiskid gum cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sliding type telescopic bicycle comprises a cross beam 1, wherein a bicycle front fork 2 is fixedly installed at the front end of the cross beam 1, a handlebar 3 is fixedly installed at the upper end of the bicycle front fork 2, a front wheel 4 is movably installed at the other end of the bicycle front fork 2, a movable block 5 is sleeved on the cross beam 1, the movable block 5 is in sliding connection with the cross beam 1, a bicycle rear fork 6 is fixedly installed on the side wall surface of the lower end of the movable block 5, a rear wheel 7 is movably installed on the bicycle rear fork 6, pedals 8 are installed on the lower wall surface of the movable block 5, the pedals 8 are connected with the rear wheel 7 through chain transmission, a saddle 9 is fixedly installed on the upper wall surface of the movable block 5, a limiting structure is arranged between the saddle 9 and the cross beam 1 and comprises a through hole 10, the through hole 10 is formed in the upper wall surface of the cross beam 1, and a hollow column 11 is, the bicycle saddle is characterized in that a seat tube 12 is inserted into a hollow column 11, a saddle 9 is fixedly mounted at the upper end of the seat tube 12, the seat tube 12 penetrates through a moving block 5, locking screws 13 are mounted between the hollow column 11 and the seat tube 12, the seat tube 12 is inserted into through holes 10, the cross section of the cross beam 1 is in an I-shaped structure, the through holes 10 are formed in the upper wall surface of a horizontal beam of the I-shaped structure of the cross beam 1, the number of the through holes 10 is at least four, the diameter of each through hole 10 is larger than that of the seat tube 12, sliders 14 are fixedly mounted at four corners of the cross beam 1 respectively, sliding grooves 15 are formed in four corners of the inner wall surface of the moving block 5 respectively, the moving block 5 is slidably mounted on the sliders 14 on the cross beam 1 through the sliding grooves 15, a bicycle basket 16 is fixedly mounted at the front end of.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as can be seen from the attached figures 1-3 of the specification, when in use, the pedals 8 are in transmission connection with the rear wheel 7 in a chain and gear matching mode, when a user adjusts, the user opens the locking screws 13, the locking screws 13 adopt eccentric screws to apply upward pulling force to the saddle 9, so that the seat tube 12 is indirectly drawn out from the hollow column 11, at the moment, the seat tube 12 is separated from the through hole 10, the moving block 6 is adjusted, the moving block 6 moves along the path of the sliding block 14 on the cross beam 1 under the action of the sliding chute 15, when the seat tube 12 moves to a proper position of the user, the seat tube 12 is descended and inserted into the corresponding matched through hole 10, at least four through holes 10 are provided, so that the proper positions of different users are met, the longest descending path of the seat tube 12 does not contact with the pedals 8, thereby preventing the seat tube 12 from obstructing the user from pedaling the pedals 8, at the moment, the user, at the moment, the seat tube 12 is limited in the through hole 10, the moving block 5 is further limited on the cross beam 1 indirectly, the adjustment is completed, and the limiting plate is installed at the tail end of the cross beam 1 to prevent the moving block 5 from moving out of the cross beam 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. A sliding telescopic bicycle, which comprises a cross beam (1), wherein a bicycle front fork (2) is fixedly arranged at the front end of the cross beam (1), a handlebar (3) is fixedly arranged at the upper end of the front fork (2) of the bicycle, a front wheel (4) is movably arranged at the other end of the front fork (2) of the bicycle, it is characterized in that the beam (1) is sleeved with a moving block (5), the moving block (5) is connected with the beam (1) in a sliding way, a bicycle rear fork (6) is fixedly arranged on the side wall surface at the lower end of the moving block (5), a rear wheel (7) is movably arranged on the bicycle rear fork (6), pedals (8) are arranged on the lower wall surface of the moving block (5), the pedals (8) are in transmission connection with the rear wheel (7) through chains, a saddle (9) is mounted on the upper wall surface of the moving block (5), and a limiting structure is arranged between the saddle (9) and the cross beam (1).

2. The sliding telescopic bicycle according to claim 1, wherein the limiting structure comprises a through hole (10), the through hole (10) is arranged on the upper wall surface of the cross beam (1), the moving block (5) is fixedly provided with a hollow column (11), a seat tube (12) is inserted into the hollow column (11), the seat (9) is fixedly arranged at the upper end of the seat tube (12), the seat tube (12) penetrates through the moving block (5), a locking screw (13) is arranged between the hollow column (11) and the seat tube (12), and the seat tube (12) is inserted into the through hole (10).

3. The sliding telescopic bicycle according to claim 2, wherein the cross beam (1) has an i-shaped cross section, and the through hole (10) is formed in the upper wall surface of the i-shaped horizontal beam of the cross beam (1).

4. A sliding telescopic bicycle according to claim 3, wherein the number of said through holes (10) is at least four.

5. A sliding telescopic bicycle according to claim 2, wherein the diameter of the through hole (10) is larger than the diameter of the seat tube (12).

6. The sliding telescopic bicycle according to claim 1, wherein the four corners of the cross beam (1) are respectively and fixedly provided with a sliding block (14), the four corners of the inner wall surface of the moving block (5) are respectively provided with a sliding groove (15), and the moving block (5) is slidably arranged on the sliding block (14) on the cross beam (1) through the sliding grooves (15).

7. A sliding telescopic bicycle according to claim 1, wherein a basket (16) is fixedly mounted to the front fork (2) of the bicycle at the front end of the handlebar (3).

8. The sliding telescopic bicycle of claim 1, wherein the handlebar (3) is sleeved with an anti-slip rubber sleeve (17).