CN2131779Y

CN2131779Y - Comfortable bicycle

Info

Publication number: CN2131779Y
Application number: CN92202254U
Authority: CN
Inventors: 蓝英
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-02-10
Filing date: 1992-02-10
Publication date: 1993-05-05
Anticipated expiration: 2002-02-10

Abstract

The utility model relates to a comfortable bicycle which comprises a dynamic force accepting part, a transmission part, a working part, a steering device and a brake device. According to the utility model, foot steps are arranged above a connecting rod; both feet of a rider alternately pedal the foot steps forwards to make a pedal rod swing back and forth above the connecting rod, and the left and the right foot steps drive an intermediate wheel by a crank connecting rod; a driven wheel is arranged on the side face of a rear wheel, and is coaxially and fixedly connected with the rear wheel; the intermediate wheel is connected with the driven wheel by the meshing engagement of a chain or gears; a saddle is arranged above a position near a middle transmission wheel, which makes the height of the entire bicycle lower. A rider can ride the bicycle by reclining on the saddle, and the ride of the bicycle is labor-saving and is mastered easily.

Description

Comfortable bicycle

The utility model relates to a kind of manually driven vehicle, more specifically, relates to a kind of comfortable bicycle.

Current commonly used bicycle is a kind of bicycle, and it comprises that power accepts part, and this part mainly comprises left and right sides pedal, left and right sides crank; Running part, this part mainly comprise intermediate drive wheel and flower wheel, and described intermediate drive wheel drives described flower wheel and rotates; Working portion, this part mainly comprises front and back wheel etc., described trailing wheel side is connecting flower wheel, drives trailing wheel by described flower wheel and rotates; Support section, this part comprise bicycle frame device and the vehicle seat of fixing on it, described bicycle frame device couples together the bearing seat of front and back wheel axle and intermediate drive wheel rigidly, also has steering hardware and brake gear.But the shortcoming of this class bicycle is comfortable inadequately, and for some people, the technology by bike of this class car of learning and mastering has certain difficulty.Someone had once designed tricycle, and the technology by bike of grasping this class car is more or less freely.If on this vehicle seat, add backrest also can make take advantage of the seat more comfortable.But the power of this bicycle is to rely on people's both feet to step on to pedal pedal to make circular movement, and therefore, the action of both feet is effort relatively also.

The purpose of this utility model is the above-mentioned shortcoming that overcomes prior art, provides a kind of and is easy to grasp, laborsaving and safe comfortable bicycle.

In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of comfortable bicycle, and comprising: power is accepted part, and this part mainly comprises left and right sides pedal, left and right sides crank; Running part, this part mainly comprise intermediate drive wheel and flower wheel, and described intermediate drive wheel drives described flower wheel and rotates; Working portion, this part mainly comprise front and back wheel and attached shaft skin thereof, spoke, rim, tire etc., and described trailing wheel side is connecting flower wheel, are rotated by described driven drive trailing wheel; Support section, this part mainly comprise bicycle frame device and the vehicle seat of fixing on it, described bicycle frame device couples together the bearing seat of front wheel bar and hind axle and intermediate drive wheel rigidly; Also have connecting device and brake gear, according to the utility model, described power is accepted part and is also comprised left and right sides connecting rod, they link to each other with pivot with left and right sides pedal respectively, and the other end of described connecting rod links to each other with pivot with described crank respectively, the other end of crank then is separately fixed on the axle of intermediate drive wheel, the circumference of intermediate drive wheel is provided with the well-distributed tooth, the circumference of flower wheel is provided with the tooth that well-distributed quantity is lacked than the number of teeth on the intermediate drive wheel, be connected with suitable mode between middle flower wheel and the flower wheel, flower wheel is then being captiveed joint coaxially with trailing wheel, described pedal part is arranged on the top of connecting rod, cyclist's both feet are alternately before pedaled pedal, and pedal rod is swung back and forth above described connecting rod, drive the intermediate drive wheel and rotate, thus, the drive trailing wheel rotates, thereby makes the motion forward or backward of car load do, and this setup of described pedal part makes the distance of front and back wheel approaching.Described vehicle seat partly is arranged on the top near the intermediate drive wheel, and the height of car load is reduced.

Best, described intermediate drive wheel is a hinge wheel, and described flower wheel is a minor sprocket, and they couple together by chain.Perhaps, described intermediate drive wheel is a big gear wheel, and described flower wheel is a miniature gears, and the tooth of described big miniature gears is meshing.

Described vehicle seat is preferably the soft seat of a band backrest.

Best, described front-wheel has two, and described trailing wheel is one to two.

Best, described steering hardware comprises the joystick that is located at vehicle seat both sides tops, and they link to each other with pitman arm on the steering swivel that is located at the front-wheel inboard by pull bar.Described pull bar pulling pitman arm makes wheel steering.

Best, described front-wheel also is provided with and turns to leading shoot casterangle and leaning angle, camber angle, toe-in and intermediate rod steering trapezium.

Describe embodiment of the present utility model in detail below by accompanying drawing, in the accompanying drawing:

Fig. 1 is the transparent view of an embodiment of comfortable bicycle of the present utility model;

Fig. 2 is the lateral plan of comfortable self-moving vehicle of the present utility model shown in Figure 1;

Fig. 3 is the crank connecting link among another embodiment of the present utility model and the sketch of gear train assembly, a kind of four-wheel vehicle shown in the figure;

Fig. 4 is the crank connecting link among the embodiment of the present utility model shown in Figure 1 and the sketch of sprocket drive system, a kind of three-wheel vehicle shown in the figure;

Fig. 5 is the crank connecting link of Fig. 3 and the transparent view of gear train assembly;

Fig. 6 illustrates the cam angle of front wheel among the another embodiment of the present utility model;

Fig. 7 illustrates the kingpin tilt among the another embodiment of the present utility model;

Fig. 8 illustrates the toe-in of the front-wheel among the another embodiment of the present utility model;

Fig. 9 illustrates the kingpin caster among the another embodiment of the present utility model.

Fig. 1 and Fig. 2 show an embodiment of the present utility model, and this is a kind of preceding two-wheeled, the back one three-wheel vehicle of taking turns.The power of the comfortable bicycle of the present utility model shown in this embodiment is accepted part and is mainly comprised left and right sides pedal 3, left and right sides connecting rod 2 and left and right sides crank 4.Wherein left and right sides connecting rod 2 is connected with left and right sides pedal 3 with pivot respectively, and the other end of described connecting rod 2 links to each other with described crank 4 usefulness pivots respectively.Pedal part 3a is arranged on the top of connecting rod 2, and cyclist's both feet are alternately before pedaled pedal, and pedal rod 3b is swung back and forth above described connecting rod, drives the intermediate drive wheel and rotates.Drive trailing wheel thus and rotate, thereby make the motion forward or backward of car load do, this setup of described pedal part makes the distance of front and back wheel approaching.And running part (Fig. 1,4) mainly comprises 13 and flower wheels 12 of an intermediate drive wheel.In this embodiment, described intermediate drive wheel 13 is hinge wheels 13, be provided with the well-distributed tooth on the circumference of this sprocket wheel 13, and flower wheel is a minor sprocket 12, on the circumference of this minor sprocket, be provided with well-distributed, the tooth that quantity is lacked than the number of teeth on the hinge wheel 10.These two big minor sprockets couple together with chain, and their ratio of number of teeth is transmitting ratio.The crank 4 that power is accepted part respectively has an end to be fixed on the axle 13a of intermediate drive wheel 13.

In this embodiment, its working portion comprises two front-wheels 8 and a trailing wheel 5.Front and back wheel can promptly comprise parts such as a skin, spoke, rim and tire with common car wheel structure.For rigidity and the circularity that improves wheel, can strengthen spoke or adopt punching press wheel hub or cast aluminum wheel.The flower wheel 12 that is connecting driving device in the side of trailing wheel 5 drives trailing wheel 5 by this flower wheel 12 and rotates.Different with ordinary bicycle, the flower wheel of bicycle of the present utility model is not to be connected on the trailing wheel by free gear, but directly is fixed on the side of trailing wheel coaxially.Rotate before and after rotating and can making trailing wheel the front and back of flower wheel like this.

As shown in Figure 1, the support section of the bicycle of the present utility model vehicle seat 1 that comprises bicycle frame device 9 and on bicycle frame device 9, fixing.Bicycle frame device 9 couples together the bearing seat 13b of front wheel bar 11 and hind axle 12a and intermediate drive wheel rigidly.Passenger of the present utility model partly crouches on vehicle seat and adopts the small size wheel, therefore, compares with ordinary bicycle, and the car load height of bicycle of the present utility model is lower.As shown in Figure 1, described vehicle seat 1 can be the soft chair of a band backrest.The cyclist can lie and lean against on the vehicle seat by bike, and is pleasant.In addition, can install light vehicle body 6 additional on vehicle seat, the transparent material of organism glass and so on can be installed in the front and back of this vehicle body, makes the cyclist can see the traffic conditions of fore-and-aft direction clearly.Owing to install light vehicle body additional, make the cyclist avoid exposing to the sun and rain.

Comfortable bicycle of the present utility model also is provided with steering hardware, and this mechanism mainly comprises joystick 7, pull bar 7 ' and steering swivel 14.The pull bar 7 that is being connected with joystick 7 ' link to each other by the pitman arm 15 on the steering swivel of pivot coupling device (not shown) and the installing of front-wheel side.Pitman arm 15 by on pull bar 7 ' pulling steering swivel 14 can make front-wheel 8 turn to.

Handle light and driving stability in order to make, front-wheel 8 also can be provided with and turn to leading shoot casterangle e, leaning angle b, cam angle of front wheel a, prenex d-c(Fig. 6-9), above-mentioned angle is not more than 10 degree, also is provided with intermediate rod steering trapezium (Fig. 1).Arrow is depicted as the working direction of car among the figure.

Comfortable bicycle of the present utility model also comprises brake gear.The for example available brake gear that rises commonly used of this brake gear.Holding with a firm grip by the cyclist is located at brake lever on the joystick 7, tension lock silk, and handle be located at before and after the brake shoe of (or axle side) among wheel shaft 8a, the 12a, and prevent the rotation of wheel.

Another embodiment of comfortable bicycle of the present utility model shown in Fig. 5 only shows the back lower place of this car among the figure, clipped can be referring to Fig. 1, and the principal diagram of this driving system is in Fig. 3.In this embodiment, working portion comprises two front-wheels 8 and two trailing wheels 5.And running part is a gear system.Wherein, intermediate drive wheel be a big gear wheel 13 ' and flower wheel be a miniature gears 12 ', the tooth of these two big miniature gearss is being meshing with each other, and also can change the three-wheel vehicle among the embodiment shown in Figure 1 certainly into and adopt crank one link gear transmission.And also can change the four-wheel vehicle in embodiment illustrated in fig. 5 into, adopt the crank connecting link chain sprocket drive.

To detailed description of the present utility model, can understand that the advantage of comfortable bicycle of the present utility model is by above-mentioned: back and forth promote the pedal motion before and after (1) cyclist's both feet, it is laborsaving to make circular movement than both feet promotion pedal; (2) cyclist can sit or face upward and lie on the car chair, and can use the soft seat of band backrest, takes very comfortable; (3) can adorn light vehicle body on the vehicle seat, can protect the cyclist to avoid exposing to the sun and rain; (4) pedal is arranged on front axle and slightly locates on the front, can shorten the length of vehicle body; (5) cancelled free gear, and relied on crank connecting link to drive the intermediate drive wheel, driven the flower wheel of with the trailing wheel direct connection again, car load not only can move ahead and also can move backward.

Though the utility model is illustrated in conjunction with the embodiment of three-wheel, four-wheel vehicle and gear transmission and chain commentaries on classics transmission, those skilled in the art will appreciate that of the present utility model is that principle also can be used other type substantially; As three-wheel vehicle of cart and a front-wheel, two trailing wheels etc.Also should be included in the protection domain of the present utility model at modification and remodeling that the utility model scope has been done.

Claims

1, a kind of comfortable bicycle comprises:

Power is accepted part, mainly comprises left and right sides pedal (3), left and right sides crank (4);

Running part mainly comprises intermediate drive wheel (13), and flower wheel (12), and described intermediate drive wheel drives described flower wheel and rotates;

Working portion mainly comprises front and back wheel (8,5) and attached axle skin thereof, spoke, rim, tire etc., and described trailing wheel (5) side is connecting flower wheel (12) and driving trailing wheel (5) by described flower wheel (12) and rotate;

Support section, the vehicle seat (1) that mainly comprises bicycle frame device (9) and on it, fixing, described bicycle frame device (9) couples together the bearing seat (13b) of front wheel bar (11) and hind axle (12a) and intermediate drive wheel (13) rigidly; Also have

Steering hardware and brake gear,

It is characterized in that:

Described power is accepted part and is also comprised left and right sides connecting rod (2), they link to each other with pivot with left and right sides pedal (3) respectively, and the other end of described connecting rod (2) links to each other with described crank (4) respectively, the other end of crank (4) then is separately fixed on the axle (13a) of intermediate drive wheel (13), the circumference of intermediate drive wheel (13) is provided with the well-distributed tooth, the circumference of flower wheel (12) is provided with the tooth that well-distributed quantity will be lacked than the number of teeth on the intermediate drive wheel (13), be connected with suitable mode between intermediate drive wheel and the flower wheel, flower wheel is then being captiveed joint coaxially with trailing wheel;

Described pedal part (3) is arranged on the top of connecting rod (2), cyclist's both feet are alternately before pedaled pedal, pedal rod (3b) is swung back and forth in the top of described connecting rod (2), driving the intermediate drive wheel rotates, thus, the drive trailing wheel rotates, thereby makes the motion forward or backward of car load do, and this setup of described pedal part makes the distance of front and back wheel approaching;

Described vehicle seat part (1) is arranged on the top near intermediate drive wheel (13), because the passenger partly crouches on the seat and adopt the small size wheel to make the height of car load lower.

2, according to the bicycle of claim 1, it is characterized in that described intermediate drive wheel (13) is a hinge wheel, and described flower wheel (12) is a minor sprocket, they couple together by chain.

3, according to the bicycle of claim 1, it is characterized in that described intermediate drive wheel (13) is a big gear wheel (13 '), described flower wheel (12) is a miniature gears (12 '), the tooth of described big miniature gears is meshing.

4,, it is characterized in that described vehicle seat is the soft seat of a band backrest according to each bicycle in the claim 1 to 3.

5, according to each bicycle in the claim 1 to 3, it is characterized in that two of described front-wheel (8) quantity, and the quantity of trailing wheel (5) is one.

6, according to each bicycle in the claim 1 to 3, it is characterized in that described front-wheel (8) quantity is two, described trailing wheel (5) quantity is two.

7, according to each bicycle in the claim 1 to 3, it is characterized in that described steering hardware comprises the joystick (7) that is located at the vehicle seat both sides, they link to each other by the pitman arm (15) on pull bar (7 ') steering swivel (14) inboard with being located at front-wheel (8), and described pull bar (7 ') spurs pitman arm (15) and makes front-wheel steering.

8,, it is characterized in that described front-wheel (8) also is provided with to turn to leading shoot casterangle (e) and leaning angle (b), camber angle (a), prenex (d-c) and intermediate rod steering trapezium according to each bicycle in the claim 1 to 3.