CN211442570U

CN211442570U - Bicycle for beginners to ride

Info

Publication number: CN211442570U
Application number: CN201921670050.5U
Authority: CN
Inventors: 喻凭跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-09-08
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a supply bicycle that beginner ridden, include the frame, cup joint seatpad and handlebar on the frame, the welding of one side outer wall of frame has the back vent, and the welding of the opposite side outer wall of frame has the front fork, the one end that the frame was kept away from to the back vent is connected with the shaft, first rear wheel and second rear wheel have been cup jointed to the shaft outer wall, and first rear wheel top is equipped with the back brake, the bearing has been cup jointed to one side that the shaft outer wall is on a parallel with first rear wheel, and the welding of bearing outer wall has the gear, the gear is connected with the chain wheel through chain drive, the one end that the frame was kept away from to the front fork is connected with the front wheel, and the front wheel top is equipped with the front. The utility model discloses a two rear wheels and auxiliary wheel structure have sufficient stability, when the beginner sat on the bicycle for the first time, can avoid controlling the phenomenon that does not do well the handlebar and fall down because of fear, and seatpad department has still set up the backup plate of supplementary beginner's regulation position of sitting, reduces the fatigue that the user produced when riding.

Description

Bicycle for beginners to ride

Technical Field

The utility model relates to a quick-witted vehicle field especially relates to a bicycle that supplies beginner to ride.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. However, riding a bicycle requires practice to be just driven, and most beginners have fear psychology to riding for the first time or learning the bicycle for the first time, because its focus is unstable, because the beginners ride after and take place to fall down because of uncontrollable focus, so lead to that the beginners are reluctant to learn and learn slowly, need one kind at present to make the focus of bicycle more stable, can help the beginners to improve the learner-driven effect, and can make the bicycle that the beginners can accelerate the learner-driven progress solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bicycle for a beginner to ride.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bicycle for a beginner to ride comprises a frame, a seat cushion and a handlebar, wherein the seat cushion and the handlebar are sleeved on the frame, a rear fork is welded on the outer wall of one side of the frame, a front fork is welded on the outer wall of the other side of the frame, one end, far away from the frame, of the rear fork is connected with a wheel shaft, the outer wall of the wheel shaft is sleeved with a first rear wheel and a second rear wheel, a rear brake is arranged at the top of the first rear wheel, a bearing is sleeved on one side, parallel to the first rear wheel, of the outer wall of the wheel shaft, a gear is welded on the outer wall of the bearing, the gear is connected with a chain wheel through chain transmission, one end, far away from the frame, of the front fork is connected with a front wheel, a front brake is arranged at the top of the front wheel, auxiliary wheels are arranged on two sides of the front wheel, a spring is further connected between the auxiliary wheels, the tail end of, and the bottom of the seat cushion is provided with a locking buckle.

Preferably, the lifting chain is provided with a knob at the handle bar.

Preferably, the outer tyres of the first rear wheel, the second rear wheel and the front wheel are provided with corresponding semicircular anti-skid bulges.

Preferably, the outer wall of the seat tube at the bottom of the seat cushion is provided with corresponding height scales.

Preferably, the seat tube at the bottom of the seat cushion forms sliding fit with the frame, and the seat cushion forms fastening fit with the frame through the locking buckle.

Preferably, the effective gear number of the chain wheel is 4-5 times of the effective gear number of the gears.

The utility model has the advantages that:

1. this supply bicycle that beginner ridden, when using, because the rear wheel is equipped with two wheels, and the front wheel both sides are equipped with the auxiliary wheel, so the beginner just begins when practising, can avoid leading to controlling the phenomenon that the handlebar fell down because of fearing, can give the psychological of beginner a safety for the progress of study.

2. The backup plate of seatpad rear design can assist the beginner to adjust the position of sitting of oneself, because a good position of sitting can make be difficult to produce fatigue when riding for a long time, and the auxiliary wheel that the front wheel both sides set up, after the beginner has mastered the skill of handle, can rotate the knob, mention the auxiliary wheel, just so can further study by bike, and the effective gear number of chain wheel is more than the effective gear number of gear, can help the beginner to reduce physical demands, conveniently ride.

Drawings

Fig. 1 is a front view of the overall structure of a bicycle for a beginner to ride;

fig. 2 is a side view of the overall structure of a bicycle for a beginner to ride;

fig. 3 is the utility model provides an auxiliary wheel structure sketch map of bicycle that supplies beginner to ride.

In the figure: the bicycle comprises a frame 1, a rear fork 2, a front fork 3, a seat cushion 4, a handlebar 5, a wheel shaft 6, a first rear wheel 7, a second rear wheel 8, a rear brake 9, a gear 10, a chain wheel 11, a front wheel 12, a front brake 13, an auxiliary wheel 14, a lifting chain 15, a knob 16, a backup plate 17 and a locking buckle 18.

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.

Referring to fig. 1-3, a bicycle for a beginner to ride comprises a frame 1, a seat cushion 4 and a handlebar 5, wherein the seat cushion 4 and the handlebar 5 are sleeved on the frame 1, a rear fork 2 is welded on the outer wall of one side of the frame 1, a front fork 3 is welded on the outer wall of the other side of the frame 1, a wheel shaft 6 is connected with one end of the rear fork 2, which is far away from the frame 1, a first rear wheel 7 and a second rear wheel 8 are sleeved on the outer wall of the wheel shaft 6, a rear brake 9 is arranged on the top of the first rear wheel 7, a bearing is sleeved on one side of the outer wall of the wheel shaft 6, which is parallel to the first rear wheel 7, a gear 10 is welded on the outer wall of the bearing, the gear 10 is connected with a chain wheel 11 through chain transmission, the effective gear number of the chain wheel 11 is 4-5 times of the effective gear number of the gear 10, one end of the front fork 3, which is far, and front wheel 12 top is equipped with preceding floodgate 13, front wheel 12 both sides all are equipped with auxiliary wheel 14, still be connected with a spring between auxiliary wheel 14 and the front wheel 12, and the spring end-to-end connection on the auxiliary wheel 14 has lifting chain 15, lifting chain 15 end sets up in handlebar 5 department, lifting chain 15 is equipped with knob 16 in handlebar 5 department, 4 one side outer wall of seatpad is connected with backup plate 17, 4 bottom seat outside of seatpad pipe walls are equipped with corresponding height scale, and 4 bottoms of seatpad are equipped with locking buckle 18, 4 bottom seat pipes of seatpad form sliding fit with frame 1, and seatpad 4 forms fastening fit through locking buckle 18 with frame 1.

The working principle is as follows: when the bicycle is used by a beginner, firstly, the height of the seat cushion 4 and the ground is adjusted according to the height of the beginner, the feet of the beginner can contact the ground when the seat cushion 4 is arranged, the beginner can ride the seat cushion 4 after the adjustment is finished, the handlebar 5 is held by two hands to adjust the direction, the chain wheel 11 is stepped to drive the rear wheel to rotate, the rear wheel adopts a double-wheel structure, certain stability is realized, the bicycle is not easy to fall down, the auxiliary wheels 14 are arranged on two sides of the front wheel 12, the adjustment of the direction of the user can be helped, the phenomenon that the handlebar 5 cannot be controlled due to overstrain when the bicycle is ridden for the first time is avoided, the control direction is backwards when the beginner, the knob 16 can be rotated by the beginner, the auxiliary wheels 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bicycle for a beginner to ride comprises a frame (1), a seat cushion (4) sleeved on the frame (1) and a handlebar (5), and is characterized in that a rear fork (2) is welded on the outer wall of one side of the frame (1), a front fork (3) is welded on the outer wall of the other side of the frame (1), one end, far away from the frame (1), of the rear fork (2) is connected with a wheel shaft (6), a first rear wheel (7) and a second rear wheel (8) are sleeved on the outer wall of the wheel shaft (6), a rear brake (9) is arranged at the top of the first rear wheel (7), a bearing is sleeved on one side, parallel to the first rear wheel (7), of the outer wall of the wheel shaft (6), a gear (10) is welded on the outer wall of the bearing, the gear (10) is connected with a chain wheel (11) through chain transmission, one end, far away from the frame (1), of the front fork (3) is connected with a front wheel (12), and a front brake, front wheel (12) both sides all are equipped with auxiliary wheel (14), still be connected with a spring between auxiliary wheel (14) and front wheel (12), and the spring end-to-end connection on auxiliary wheel (14) has lifting chain (15), lifting chain (15) end sets up in handlebar (5) department, seatpad (4) one side outer wall connection has backup plate (17), and seatpad (4) bottom is equipped with locking knot (18).

2. Bicycle for beginners to ride according to claim 1, characterized in that said lifting chain (15) is provided with a knob (16) at the handlebar (5).

3. Bicycle for beginners to ride according to claim 1, wherein the outer covers of said first rear wheel (7), second rear wheel (8) and front wheel (12) are provided with corresponding semicircular anti-skid protrusions.

4. The bicycle for beginners to ride according to claim 1, wherein the outer wall of the seat tube at the bottom of the seat cushion (4) is provided with corresponding height scales.

5. A bicycle for beginners to ride according to claim 1, wherein the seat tube at the bottom of the seat cushion (4) forms a sliding fit with the frame (1), and the seat cushion (4) forms a fastening fit with the frame (1) through a locking buckle (18).

6. Bicycle for beginners to ride according to claim 1, characterized in that the effective number of gears of said chain wheel (11) is 4-5 times the effective number of gears (10).