CN207208307U - More gear hand driven bicycles that a kind of chair control rope traction turns to - Google Patents

Abstract

The utility model relates to a multi-gear hand bicycle in which a seat controls wire rope traction and steering, and relates to a hand bicycle. General bicycle turns handlebar by both hands thereby drives front-wheel to rotate and realizes steering, and entertainment is relatively poor. The utility model comprises a car body, a front wheel of a car, a rear wheel of a car, a seat, a hand crank, a speed regulating transmission mechanism, a steering mechanism, a pedal brake device and a pedal, and the steering mechanism includes a seat for controlling steering. , the steering column, the steering wire rope, the steering wheel frame connected with the steering wire rope, the front wheel is arranged under the steering wheel frame, the lower end of the steering column and the upper end of the steering wheel frame are respectively provided with a connecting rod connected horizontally with the wire rope, There are 2 groups of wire ropes, which are respectively connected to the left end and the right end of the connecting rod. The technical scheme uses the steering device controlled by the seat to facilitate the steering operation, and through the steering operation, it can effectively exercise the waist and hips, improve the flexibility and muscle strength of the waist and hips, and achieve both exercise and entertainment.

Description

A multi-gear hand bicycle with seat control and wire rope traction steering

technical field

The utility model relates to a hand-operated bicycle, in particular to a multi-gear hand-operated bicycle in which a seat controls steel wire rope traction and steering.

Background technique

The general principle of bicycle steering is to turn the handlebars with both hands to drive the front wheels to turn, which is more convenient for riding instead of walking, but it is less entertaining. The moving part is the arm, and it is difficult to perform steering operations on other parts of the body. exercise.

Utility model content

The technical problem to be solved and the technical task proposed by the utility model are to perfect and improve the existing technical solutions, and to provide a multi-gear hand bicycle in which the seat controls the wire rope traction and steering, so as to realize the flexible application and Exercise for the purpose. For this reason, the utility model takes the following technical solutions.

The invention relates to a multi-gear hand-operated bicycle in which the seat is controlled by wire rope traction and steering. , a hand crank for generating hand power, a speed-regulating transmission mechanism for speed regulation and transmission, a steering mechanism for steering, a foot-operated brake device and a foot pedal, and the steering mechanism includes The seat for controlling the steering, the vertical steering column connected under the seat, the steering wire rope connected with the steering column, and the steering wheel frame connected with the steering wire rope, the front wheels of the car are arranged under the steering wheel frame, and the The lower end of the steering column and the upper end of the steering wheel frame are each provided with a first connecting rod transversely connected to the steel wire rope, and the steel wire ropes are in two groups, respectively connected to the left end and the right end of the first connecting rod. The steering wheel frame and the steering column are rotatably connected to the vehicle body; the speed regulating transmission mechanism includes a sun gear fixedly connected to the vehicle body, a planetary gear meshed with the sun gear and disengaged forward or backward, The sun gear is a partial gear, the planetary gear is connected with the axle of the rear wheel through the transmission assembly, and the lower end of the hand crank is fixedly connected with a second connecting rod, and the second connecting rod is connected with the planetary gear. The central axis of the wheel is connected through a bearing, and the lower end of the second connecting rod is connected with the axle of the rear wheel through a one-way bearing, and the rear wheel is connected with the axle through a one-way bearing; the lower end of the second connecting rod is fixed A reversing pole is connected, and the lower end of the reversing pole is connected with a reversing wheel. The reversing wheel is connected to the fixed shaft at the lower end of the reversing pole through a one-way clutch. The distance from the outer end of the reversing wheel to the axle center of the rear wheel is It is larger than the radius of the rear wheel, so that when the planetary wheel is out of engagement with the sun gear, the reverse wheel replaces the rear wheel and touches the ground. The planetary transmission mechanism through gear transmission and chain transmission not only meets the requirements of large transmission ratio, but also designs the fixed sun gear as a partial gear. When the planetary gear is disengaged from the sun gear, the hand crank can pass through the first connection The rod directly drives the rear axle for low speed forward. The conversion of the back and forth swing of the hand crank into the one-way rotation of the axle is realized through the one-way bearing. The inner hole of the first connecting rod is connected with the outer ring of the one-way bearing, and the axle is connected with the inner ring of the one-way bearing. Movement conversion; swing back to a certain angle through the first connecting rod, and the reversing support rod connected with the first connecting rod will lift the entire rear wheel of the car to a certain height and leave the ground, because the reversing wheel is equipped with a one-way bearing , Therefore, at this time, the hand crank swings back and forth, and the entire car body is pulled backward through the one-way locking function of the reversing wheel, thereby realizing the reversing movement. The steering assembly driven by the wire rope through the rotation of the seat can realize the steering stably and conveniently, and realize the exercise of the waist and buttocks.

As a further improvement and supplement to the above technical solution, the utility model also includes the following additional technical features.

The steering wheel frame includes a frame body and a connecting shaft vertically connected to the middle of the upper part of the frame body. The lower end of the steering column and the upper end of the connecting shaft are provided with horizontal connecting holes and fixing holes perpendicular to the connecting holes. The first connecting rod passes through the connecting hole and the middle part of the first connecting rod is aligned with the fixing hole, and the bolt is screwed into the fixing hole to fix the first connecting rod. The connection structure between the steering wheel frame and the steering column is stable and firm, and the connection of the steel wire rope can be realized conveniently through the first connecting rod.

The lower end of the steering column, the wire rope, the first connecting rod and the connecting shaft are all arranged in the vehicle body. By arranging the main structural parts of the steering in the car body, the safety is increased, and the appearance is more concise and beautiful.

Both ends of the first connecting rod are provided with symmetrical rope holes, and the two ends of the steel wire rope are tightly connected to the rope holes through rope buckles. Through the two steel wire ropes arranged symmetrically on the left and right, during the steering operation, the steel wire ropes can be tightened when moving forward and backward, so as to realize the steering transmission.

The middle part of each wire rope is provided with a tensioner for adjusting the tension state of the wire rope. The tensioner is convenient to adjust the tension of the wire rope, making the steering more precise and stable.

There are totally 2 described front wheels, which are symmetrically arranged on the bottom of the steering wheel frame. The two symmetrical front wheels can provide stable support for the car body when turning.

The lower part of the steering column is provided with a steering limiting device for preventing over-steering. Through the steering limit device, when the seat turns, the turning angle will not be too large due to excessive steering force, which improves the safety.

The steering limiting device includes a limiting bushing arranged on the top surface of the vehicle body and a transverse limiting rod arranged at the lower part of the steering column. A left-right symmetrical limit hole is provided on the side for limiting the rotation angle of the limit rod. The limit rod is fixedly connected to the lower part of the steering column, and the two ends of the limit rod are located in the limit hole. Through the rotation range of the limit lever, the steering limit is conveniently realized.

The two rear wheels are respectively provided with a set of mutually symmetrical speed-regulating transmission mechanisms. The sun gear of the speed-regulating transmission mechanism is arranged on the inside of the rear wheel, the second connecting rod is arranged on the outside of the rear wheel, and the transmission assembly is arranged on the second On the outside of the connecting rod, the sun gear is a tile-shaped partial gear with the tooth surface facing upwards. Through 2 sets of independent speed-regulating transmission mechanisms, it is convenient for two-handed independent operation, and the structure of the speed-regulating transmission mechanism is optimized to make the structure more compact and stable.

The connection angle range between the first connecting rod and the reversing pole is between 110 and 150 degrees. When the first connecting rod is vertically upward, the reversing pole faces the rear side of the rear wheel. Through the optimization of the connection angle range between the first connecting rod and the reversing strut, the reversing wheel will not touch the ground when driving at high speed and low speed, and only need to adjust a relatively small angle when reversing is required. Reverse the wheel and land on the ground.

Beneficial effects: the steering device controlled by the seat is convenient for steering operation, and through the steering operation, it can effectively exercise the waist and hips, improve the flexibility and muscle strength of the waist and hips, and effectively prevent lumbar protrusion and lumbar muscle strain and other diseases, exercise and entertainment.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the steering mechanism of the utility model.

Fig. 3 is a structural schematic diagram of the structure of the speed regulating transmission mechanism of the present invention.

In the figure: 1-car body; 2-front wheel; 3-seat; 4-hand crank; 5-rear wheel; 6-pedal brake device; 7-pedal; 8-limiting shaft Set; 9-wire rope; 10-tensioner; 11-limit rod; 12-connecting shaft; 13-steering wheel frame; 14-steering column; 15-first connecting rod; 16-reversing wheel; Rod; 18-second connecting rod; 19-axle; 20-sun gear; 21-planetary gear.

Detailed ways

The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings of the description.

As shown in Figure 1-2, a multi-gear hand bicycle with seat control wire rope traction and steering includes a car body 1, a front wheel 2 arranged at the front of the car body 1, and a wheel set at the rear of the car body 1. Car rear wheel 5, the seat 3 that is located at the top of the car body 1, the hand crank 4 for generating hand power, the speed regulating transmission mechanism for realizing speed regulation and transmission, the steering mechanism for realizing turning, the feet Pedal brake device 6 and pedal 7, steering mechanism includes seat 3 for controlling steering, vertical steering column 14 connected to seat 3 below, steering wire rope 9 connected with steering column 14, and steering wire rope 9 The connected steering wheel frame 13, the front wheel 2 is located under the steering wheel frame 13, the lower end of the steering column 14 and the upper end of the steering wheel frame 13 are respectively provided with a first connecting rod 15 connected with the steel wire rope 9 transversely, and the steel wire rope 9 in two groups, respectively connected to the left end and the right end of the first connecting rod 15, the steering wheel frame 13 and the steering column 14 are rotatably connected to the vehicle body 1.

As shown in Figure 3, the speed-adjusting transmission mechanism includes a sun gear 20 fixedly connected to the vehicle body 1, a planetary gear 21 that is meshed with the sun gear 20 and can be disengaged forward or backward. The sun gear 20 is a partial gear, and the planetary gear The wheel 21 is connected with the axle shaft 19 of the rear wheel 5 through the transmission assembly. The lower end of the hand crank 4 is fixedly connected with a second connecting rod 18. The second connecting rod 18 is connected with the central axis of the planetary wheel 21 through a bearing. The second connecting rod The lower end of 18 is connected with the axle shaft 19 of car rear wheel 5 by one-way bearing, and car rear wheel 5 is connected with axle shaft 19 by one-way bearing; The lower end is connected with a reversing wheel 16, which is connected to the fixed shaft at the lower end of the reversing pole 17 through a one-way clutch, and the distance from the outer end of the reversing wheel 16 to the center of the axle 19 of the rear wheel 5 is greater than the radius of the rear wheel 5 , to realize that when the planetary wheel 21 disengages from meshing with the sun wheel 20, the reverse wheel 16 replaces the rear wheel 5 to contact the ground. The planetary transmission mechanism through gear transmission and chain transmission not only meets the requirements of large transmission ratio, but also designs the fixed sun gear 20 as a partial gear. When the planetary gear 21 is disengaged from the sun gear 20, the hand crank 4 The rear axle is directly driven by the second connecting rod 18 to realize low speed forward. The back-and-forth swing of the hand crank 4 is converted into the one-way rotation of the axle 19 through a one-way bearing. The inner hole of the second connecting rod 18 is connected with the outer ring of the one-way bearing, and the axle 19 is connected with the inner ring of the one-way bearing. , can realize motion conversion; After the second connecting rod 18 is swung to a certain angle, the reversing strut 17 connected together with the second connecting rod 18 will lift the entire rear wheel 5 to a certain height and leave the ground. What adorned in the wheel 16 is one-way bearing, therefore, now hand crank 4 swings back and forth, by the locking function of reversing wheel 16 one-way, whole car body 1 is pulled backward, thereby realized reversing.

In order to realize a simple and firm steering connection structure, the steering wheel frame 13 includes a frame body, a connecting shaft 12 vertically connected to the middle of the upper part of the frame body, and the lower end of the steering column 14 and the upper end of the connecting shaft 12 are provided with transverse connecting holes and The connecting hole is vertical to the fixing hole, the first connecting rod 15 passes through the connecting hole and aligns with the fixing hole with the middle part of the first connecting rod 15, and the first connecting rod 15 is fixed by bolts screwed into the fixing hole. The connection structure between the steering wheel frame 13 and the steering column 14 is stable and firm, and the connection of the steel wire rope 9 can be realized conveniently through the first connecting rod 15 .

In order to improve safety, the lower end of the steering column 14 , the wire rope 9 , the first connecting rod 15 and the connecting shaft 12 are all arranged in the vehicle body 1 . By arranging the main structural parts of the steering in the car body 1, the safety is increased, and the appearance is more concise and beautiful.

In order to realize steering transmission, symmetrical rope holes are provided at both ends of the first connecting rod 15, and the two ends of the steel wire rope 9 are tightly connected to the rope holes through rope buckles. Through two tensioned steel wire ropes 9 symmetrically left and right, during steering operation, the steel wire ropes 9 can be tightened when moving back and forth, so as to realize steering transmission.

In order to facilitate the adjustment of the tension of the steel wire ropes 9 , a tensioner 10 for adjusting the tension state of the steel wire ropes 9 is provided in the middle of each steel wire rope 9 . The tensioner 10 is convenient for adjusting the tension of the wire rope 9, so that the steering is more precise and stable.

In order to provide stable support, there are 2 front wheels 2, symmetrically arranged below the steering wheel frame 13. The two symmetrical front wheels 2 can provide stable support for the vehicle body 1 when turning.

In order to prevent potential safety hazards caused by over-steering, the lower part of the steering column 14 is provided with a steering limiting device for preventing over-steering. Through the steering limiting device, when the seat 3 turns, the turning angle will not be too large due to excessive steering force, which improves safety.

In order to realize the simplification of the limiting structure, the steering limiting device includes a limiting bushing 8 arranged on the top surface of the vehicle body 1, a transverse limiting rod 11 arranged at the bottom of the steering column 14, and the limiting bushing 8 is fixedly connected to the vehicle body. body 1, both sides of the limit shaft sleeve 8 are provided with left and right symmetrical limit holes for limiting the rotation angle of the limit rod 11, the limit rod 11 is fixedly connected to the lower part of the steering column 14, and the two ends of the limit rod 11 are located at inside the limit hole. Through the rotation range of the limit rod 11, the limit structure is simple, and the steering limit can be realized conveniently.

When turning, the seat 3 is turned to by the twisting of the waist and hips, and the steering power is transmitted through the wire rope 9 to realize the turning of the front wheel 2.

In order to optimize the transmission structure and facilitate independent operation with two hands, the two rear wheels 5 are respectively provided with a set of mutually symmetrical speed-regulating transmission mechanisms. 18 is located at the outside of rear wheel 5, transmission assembly is located at the outside of second connecting rod 18, and sun gear 20 is the tile-shaped partial gear that tooth surface faces upwards. Through 2 sets of independent speed-regulating transmission mechanisms, it is convenient for two-handed independent operation, and the structure of the speed-regulating transmission mechanism is optimized to make the structure more compact and stable.

In order to ensure that the reversing wheel 16 does not touch the ground when driving, the connection angle between the second connecting rod 18 and the reversing strut 17 is 120 degrees. When the second connecting rod 18 is vertically upward, the reversing strut 17 faces the rear Wheel 5 rear side. Through the optimization of the connection angle range between the second connecting rod 18 and the reversing strut 17, the reversing wheel 16 will not touch the ground when traveling at high speed and low speed, and only needs to adjust a relatively small angle when reversing is required Just can realize reversing wheel 16 touch the ground.

The multi-gear hand bicycle with seat control wire rope traction and steering shown in Figures 1-3 above is a specific embodiment of the utility model, which has already reflected the substantive features and progress of the utility model, and can be used according to actual needs , under the enlightenment of the present utility model, equivalent modification of its shape, structure and other aspects are all within the scope of protection of this scheme.

Claims (10)

1. A multi-gear hand bicycle with seat control wire rope traction and steering, comprising a car body (1), a front wheel (2) arranged at the front of the car body (1), and a rear wheel arranged at the rear of the car body (1). The rear wheels (5) at the bottom of the car, the seat (3) on the upper part of the car body (1), the hand crank (4) used to generate hand power, and the speed-adjusting transmission mechanism for speed regulation and transmission . A steering mechanism for realizing steering, a pedal brake device (6) and a pedal (7), characterized in that: the steering mechanism includes a seat (3) for controlling steering, connected to the seat (3) The vertical steering column (14) below, the steering wire rope (9) connected to the steering column (14), the steering wheel frame (13) connected to the steering wire rope (9), and the front wheels (2 ) is located below the steering wheel frame (13), and the lower end of the steering column (14) and the upper end of the steering wheel frame (13) are respectively provided with a first connecting rod (15) connected transversely to the steel wire rope (9) ), the steel wire ropes (9) are in two groups, respectively connected to the left and right ends of the two first connecting rods (15), and the steering wheel frame (13) and the steering column (14) are rotatably connected to On the vehicle body (1); the speed-adjusting transmission mechanism includes a sun gear (20) fixedly connected to the vehicle body (1), a planetary gear meshed with the sun gear (20) and disengaged forward or backward (21), the sun gear (20) is a partial gear, the planetary gear (21) is connected with the axle (19) of the rear wheel (5) through a transmission assembly, and the hand crank (4) The lower end of the second connecting rod (18) is fixedly connected with the central shaft of the planetary wheel (21) through a bearing, and the lower end of the second connecting rod (18) is connected to the The axle (19) of the rear wheel (5) is connected, and the rear wheel (5) is connected with the axle (19) through a one-way bearing; the lower end of the second connecting rod (18) is fixedly connected with a reversing support Rod (17), the lower end of the reversing pole (17) is connected with the reversing wheel (16), and the reversing wheel (16) is connected to the fixed shaft set at the lower end of the reversing pole (17) through a one-way clutch. The distance from the outer end of the wheel (16) to the center of the axle (19) of the rear wheel (5) is greater than the radius of the rear wheel (5), so that when the planetary wheel (21) is out of engagement with the sun wheel (20), the reverse wheel (16) replaces the rear wheel (5) in contact with the ground. 2. A multi-gear hand bicycle with seat control and wire rope traction steering according to claim 1, characterized in that: the steering wheel frame (13) includes a frame body, which is vertically connected in the middle of the upper part of the frame body The connecting shaft (12), the lower end of the steering column (14) and the upper end of the connecting shaft (12) are provided with a transverse connecting hole and a fixing hole perpendicular to the connecting hole, and the first connecting rod (15 ) through the connecting hole and align the middle of the first connecting rod (15) with the fixing hole, and screw the bolt into the fixing hole to fix the first connecting rod (15). 3. A multi-gear hand bicycle with seat control and wire rope traction steering according to claim 2, characterized in that: the lower end of the steering column (14), the wire rope (9), the first connecting rod ( 15) and connecting shaft (12) are all located in the car body (1). 4. A multi-gear hand bicycle with seat control and wire rope traction and steering according to claim 3, characterized in that: the two ends of the first connecting rod (15) are provided with symmetrical rope holes, so that The two ends of above-mentioned wire rope (9) are tensioned and connected on the rope hole by rope buckle. 5. A multi-gear hand bicycle with seat control wire rope traction and steering according to claim 3, characterized in that: the middle part of each wire rope (9) is provided with a tensioner for adjusting the tension state of the wire rope (9). tightener (10). 6. A multi-gear hand bicycle with seat control and wire rope traction steering according to claim 1, characterized in that there are two front wheels (2) symmetrically arranged on the steering wheel frame (13) below. 7. A multi-gear hand bicycle with seat control and wire rope traction steering according to claim 3, characterized in that: the lower part of the steering column (14) is provided with a steering limiter for preventing over-steering . 8. A multi-gear hand bicycle with seat control and wire rope traction steering according to claim 7, characterized in that: said steering limiting device includes a limiting shaft arranged on the top surface of the vehicle body (1) sleeve (8), the horizontal limit rod (11) located at the lower part of the steering column (14), the limit sleeve (8) is fixed to the vehicle body (1), and the two limit sleeves (8) There are left and right symmetrical limit holes on the side for limiting the rotation angle of the limit rod (11). The limit rod (11) is fixedly connected to the lower part of the steering column (14). located in the limiting hole. 9. A multi-gear hand bicycle with seat control and wire rope traction and steering according to claim 1, characterized in that: the two rear wheels (5) are respectively equipped with a set of mutually symmetrical speed-regulating transmission mechanisms, and the adjustable The sun wheel (20) of the speed transmission mechanism is arranged on the inner side of the rear wheel (5), the second connecting rod (18) is arranged on the outer side of the rear wheel (5), and the transmission assembly is arranged on the second connecting rod (18). On the outside, the sun gear (20) is a tile-shaped partial gear with the tooth surface facing upwards. 10. A multi-gear hand bicycle with seat control and wire rope traction steering according to claim 9, characterized in that: the connection between the second connecting rod (18) and the reversing support rod (17) The included angle range is between 110 and 150 degrees. When the second connecting rod (18) is vertically upward, the reversing support rod (17) faces the rear side of the rear wheel (5).