CN210555339U

CN210555339U - Scooter with front wheels having automatic correcting and braking functions

Info

Publication number: CN210555339U
Application number: CN201921560856.9U
Authority: CN
Inventors: 陈鸿凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-05-19
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to a scooter with front wheels having automatic correcting and braking functions, which comprises a frame main body, wherein the rear end of the frame main body is pivoted with a rear wheel bracket, the rear wheel bracket is connected with two rear wheels, the frame main body is also connected with a cushion bracket, the top of the cushion bracket is connected with a cushion, the front end of the frame main body is connected with a front wheel bracket, the front wheel bracket inclines relative to the ground, a handlebar bracket is connected above the front wheel bracket, the front wheel bracket is connected with two front wheels, the structural design that the double front wheel structure and the front wheel bracket incline 12-15 degrees relative to the ground is utilized, when the rotation angle of the front wheels is smaller than 90 degrees, one front wheel is attached to the ground, the other front wheel is suspended, and the suspended front wheel drives the handlebar bracket and the front wheel bracket to rotate and return through the action of gravity after the external force is; when the front wheel rotates by 90 degrees, the front wheel and the rear wheel are mutually vertical and generate larger friction force with the ground, so that the rotation of the rear wheel is limited, the rear wheel cannot advance or retreat, and the purpose of braking is achieved.

Description

Scooter with front wheels having automatic correcting and braking functions

Technical Field

The utility model relates to a scooter technical field indicates a scooter that front wheel possesses automatic returning and brake function especially.

Background

The sliding trolley does not have transmission structures such as pedals, fluted discs and chains, the pedals are used for pedaling the ground to generate reaction force to drive the sliding trolley to move forwards, balance sense and coordination of a user can be trained, the existing sliding trolley needs to be placed on a handlebar support to control the advancing direction all the time, fatigue is easily kept for a long time, the existing sliding trolley generally needs to be additionally provided with a brake device to realize a brake function, and once the brake device breaks down, accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a front wheel possesses automatic returning and brake function's smooth walking car, simple structure improves the overall stability, utilizes the front wheel can realize automatic returning and brake function, convenient operation.

In order to achieve the above object, the utility model adopts the following technical scheme: a scooter with front wheels having automatic correcting and braking functions comprises a frame main body, a rear wheel bracket is pivoted at the rear end of the frame main body, the rear wheel bracket is connected with two rear wheels, the frame main body is also connected with a cushion bracket, the top of the cushion bracket is connected with a cushion, the front end of the frame main body is connected with a front wheel bracket which inclines relative to the ground, the front wheel support top is connected with the handlebar support, front wheel leg joint has two front wheels, and the exogenic action is on the handlebar support, and the handlebar support drives one of them front wheel when front wheel support pivoted angle is less than 90 and pastes ground, and another front wheel is unsettled, and unsettled front wheel drives front wheel support and handlebar support rotation return under the action of gravity after removing the exogenic action, and when the handlebar support driven front wheel support rotated 90, front wheel and rear wheel mutually perpendicular, the rear wheel can't rotate.

In addition, the head tube (front wheel bracket) of the scooter on the market is vertical to the ground, and the inclination angle of the front wheel bracket is preferably 12-15 °. Therefore, the handlebar support is turned to enable the handlebar tube to rotate by a certain angle, a certain front wheel is attached to the ground, a certain front wheel is suspended, the front wheel and the rear wheel are perpendicular to each other, and the rear wheel cannot rotate, so that braking is achieved.

Preferably, the bicycle frame further comprises a connecting support, the connecting support is U-shaped, and the opening end of the connecting support is pivoted with the bicycle frame main body through a connecting rod.

Preferably, still include the subassembly of folding up, the subassembly of folding up includes locking plate and locking piece, and two locking plates are established respectively in the both sides of linking bridge and its both ends are connected with linking bridge and rear wheel support linkage respectively.

Preferably, the locking plate is provided with a clamping groove matched with the locking block.

Preferably, the frame main part includes the automobile body part, both ends are connected with the siphunculus respectively around the automobile body part, the front wheel support is at first siphunculus internal rotation, the cushion support is worn to establish in the second siphunculus.

Preferably, a cushion height adjusting assembly is arranged at the joint of the cushion bracket and the frame main body.

Preferably, a handlebar support height adjusting assembly is arranged at the joint of the handlebar support and the front wheel support.

The beneficial effects of the utility model reside in that:

1. the utility model has simple structure, and the whole stability is greatly improved by adopting a four-wheel structure;

2. by utilizing the structure design of the double front wheels and the structure design that the front wheel bracket is inclined at 12-15 degrees relative to the ground, when the rotation angle of the front wheels is smaller than 90 degrees, one front wheel is attached to the ground, the other front wheel is suspended, and the suspended front wheel drives the handlebar bracket and the front wheel bracket to rotate and return under the action of gravity after the external force is removed, so that the automatic correction of the front wheels is realized, the stable forward movement is kept, a user does not need to put both hands on the handlebar bracket all the time to control the direction, and the use is more convenient;

3. when the front wheel rotates 90 degrees, the front wheel and the rear wheel are perpendicular to each other and generate large friction force with the ground, so that the rear wheel is limited to rotate, the rear wheel cannot advance or retreat, the purpose of braking is achieved, a brake device does not need to be additionally arranged, the integral structure is simplified, and the operation is convenient.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an explosion structure diagram of the present invention.

Fig. 3 is a perspective view of the frame body.

Fig. 4 is a first schematic view of the present invention.

Fig. 5 is a second schematic view of the present invention.

Fig. 6 is a schematic view of the braking state of the present invention.

Fig. 7 is an enlarged view of fig. 1 at a.

Description of reference numerals: 1. a frame main body; 11. a vehicle body portion; 12. a first through pipe; 13. a second pipe; 2. a rear wheel support; 3. a handlebar support; 4. a front wheel bracket; 5. a cushion bracket; 6. connecting a bracket; 7. a rear wheel; 8. a front wheel; 9. a cushion; 10. a folding assembly; 101. a locking plate; 102. a locking block; 20. a cushion height adjustment assembly; 30. handlebar support height-adjusting subassembly.

Detailed Description

Referring to fig. 1-7, the present invention relates to a scooter with a front wheel 8 having an automatic return and brake function, comprising a frame body 1, wherein the frame body 1 comprises a body part 11, the body part 11 is parallelogram-shaped, the front end of the body part 11 is connected with a first through pipe 12, the first through pipe 12 is inclined at 12-15 degrees relative to the ground, the rear end of the body part 11 is connected with a second through pipe 13, the body part 11 is pivoted with a rear wheel 7 support 2, the rear wheel 7 support 2 is connected with the body part 11 through a rotating rod, the end of the rear wheel 7 support 2 is provided with a rotating rod, the two ends of the rotating rod are respectively connected with a rear wheel 7, the second through pipe 13 is provided with a cushion support 5, the top of the cushion support 5 is detachably provided with a cushion 9, the cushion support 5 is connected with a height adjusting assembly 20, the cushion height adjusting assembly 20 comprises a locking ring, an adjusting screw and a fastening piece, the locking ring is sleeved at the joint of the cushion support 5 and the second through pipe 13, the diameter of the locking ring is increased through the adjusting screw to enable the cushion support 5 to move in the second through pipe 13 to change the height of the cushion 9, the diameter of the locking ring is reduced through the adjusting screw to fasten the positions of the cushion support 5 and the second through pipe 13 so as to fix the cushion 9, the adjusting screw can be locked by rotating the fastening piece to limit the rotation of the adjusting screw, the handlebar support 3 and the front wheel support 4 are arranged in the first through pipe 12 in a penetrating mode, the handlebar support 3 can movably penetrate in the front wheel support 4 and is fixedly connected through the handlebar support height adjusting assembly 30, the handlebar support height adjusting assembly 30 comprises the locking ring, the adjusting screw and the fastening piece, the sleeve is sleeved at the joint of the handlebar support 3 and the front wheel support 4, the handlebar support 3 moves in the front wheel 8 to change The height of the seat cushion 9 is fixed by fastening the handlebar support 3 and the front wheel support 4 through the diameter of the locking ring which is reduced by the adjusting screw, the adjusting screw can be locked by rotating the fastening piece to limit the rotation of the adjusting screw, the handlebar support 3 and the front wheel support 4 are arranged in the first through pipe 12 in a penetrating way, so that the handlebar support 3 and the front wheel support 4 are also arranged in an inclined way at 12-15 degrees relative to the ground, a rotating rod is arranged at the tail end of the front wheel support 4 in a penetrating way, the two ends of the rotating rod are respectively connected with a front wheel 8, when the handlebar support 3 drives the front wheel support 4 to rotate leftwards or rightwards by an angle smaller than 90 degrees, one front wheel 8 is attached to the ground, the other front wheel 8 is suspended (as shown in figures 4 and 5), the front wheel 8 which is suspended after the external force is removed drives the front wheel support 4 and the handlebar support 3 to rotate under the action of gravity, the front wheel is automatically returned, the front wheel 8 and the rear wheel 7 are perpendicular to each other (as shown in fig. 6), and the rear wheel 7 cannot rotate, so that braking is realized.

Preferably, still include linking bridge 6, linking bridge 6 is "U" shape, linking bridge 6 has alternated rear wheel 7 support 2 and frame body and its open end and passes through the connecting rod and the pin joint of frame main part 1, the both sides of linking bridge 6 are equipped with respectively and fold up subassembly 10, it includes locking plate 101 and locking piece 102 to fold up subassembly 10, locking piece 102 inlays the lateral surface of establishing at linking bridge 6, the both ends of locking plate 101 respectively with linking bridge 6 and rear wheel 7 support 2 swing joint, locking plate 101 is equipped with the draw-in groove with locking piece 102 adaptation.

When the bicycle is folded, the handlebar support 3 is firstly rotated one hundred eighty degrees to enable the handlebar support 3 to be close to the seat cushion, the bicycle frame main body 1 is moved due to the change of the angle of the handlebar support 3, the connecting support 6 is driven to move, the support 2 of the rear wheel 7 is driven to move through the locking plate 101, and therefore the front wheel 8 and the rear wheel 7 are drawn together and folded towards the seat cushion 9, and the folding action is completed.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides a front wheel possesses automatic smooth walking car of reforming with brake function, includes the frame main part, the rear end pin joint of frame main part has the rear wheel support, the rear wheel leg joint has two rear wheels, the frame main part still is connected with the cushion support, the top of cushion support is connected with cushion, its characterized in that: the front end of the frame main body is connected with a front wheel support, the front wheel support inclines relative to the ground, a handlebar support is connected above the front wheel support, and the front wheel support is connected with two front wheels.

2. The scooter with the front wheel having the automatic return and brake function according to claim 1, wherein: the inclination angle of the front wheel bracket is 12-15 degrees.

3. The scooter with the front wheel having the automatic return and brake function according to claim 1, wherein: the bicycle frame further comprises a connecting support, the connecting support is U-shaped, and the opening end of the connecting support is pivoted with the bicycle frame main body through a connecting rod.

4. The scooter with the front wheel having the automatic return and brake functions as claimed in claim 1 or 3, wherein: the folding device is characterized by further comprising a folding assembly, wherein the folding assembly comprises locking plates and locking blocks, the two locking plates are respectively arranged on two sides of the connecting support, and two ends of the two locking plates are respectively in linkage connection with the connecting support and the rear wheel support.

5. The scooter with the front wheel having the automatic return and brake function as claimed in claim 4, wherein: the locking plate is provided with a clamping groove matched with the locking block.

6. The scooter with the front wheel having the automatic return and brake function according to claim 1, wherein: the frame main part includes the automobile body part, both ends are connected with the siphunculus respectively around the automobile body part, the front wheel support is at first siphunculus internal rotation, the cushion support is worn to establish in the second siphunculus.

7. The scooter with the front wheel having the automatic return and brake function according to claim 1, wherein: the cushion support is provided with a cushion height adjusting assembly at the joint of the cushion support and the frame main body.

8. The scooter with the front wheel having the automatic return and brake function according to claim 1, wherein: and a handlebar support height adjusting assembly is arranged at the joint of the handlebar support and the front wheel support.