CN203111391U - Front-wheel-drive back-wheel-steering lying-type tricycle - Google Patents
Front-wheel-drive back-wheel-steering lying-type tricycle Download PDFInfo
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- CN203111391U CN203111391U CN 201320059532 CN201320059532U CN203111391U CN 203111391 U CN203111391 U CN 203111391U CN 201320059532 CN201320059532 CN 201320059532 CN 201320059532 U CN201320059532 U CN 201320059532U CN 203111391 U CN203111391 U CN 203111391U
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- vehicle frame
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Abstract
The utility model provides a front-wheel-drive back-wheel-steering lying-type tricycle which comprises a vehicle frame, a front wheel, two back wheels and a lying-type seat, wherein the front wheel is in power connection with a pedal device, the vehicle frame is connected with a steering handle in a pivot mode, the left side and the right side of the steering handle are respectively connected with the front end of a steering connecting rod in a pivot mode, the lengths of the two steering connecting rods are the same and the two steering connecting rods are arranged in parallel, rear ends of the two steering connecting rods are respectively connected with one end of a swinging rod in a pivot mode, and the other end of each swinging rod is fixedly connected with a fork of each back wheel. A front-wheel-drive structure is adopted, chains are needless, the whole structure is simplified, and the failure rate is reduced; the back-wheel-steering structure is adopted, steering force can be reduced, and operation is convenient; and the lying-type structure is adopted, a person does not feel tired even if riding for a long time, and riding comfort is improved.
Description
Technical field
The utility model relates to a kind of bicycle structure, particularly a kind of lying type three wheel bicycle structure that turns to behind the before driving that adopts.
Background technology
Existing three-wheel vehicle, the structure of generally adopt rear drive, precedingly turn to, sitting posture being ridden generally needs chain gear, often cause vehicle damage owing to coming off of chain, and existing three-wheel vehicle turns to effort, ride for a long time, very tired, be not suitable for travelling at a distance.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model is: turn to the lying type three wheel bicycle after a kind of before driving is provided, make it be fit to travelling of long-time long distance.
For achieving the above object, the technical solution adopted in the utility model is:
Turn to the lying type three wheel bicycle behind a kind of before driving, it comprises a vehicle frame, a front-wheel and two trailing wheels, it is characterized in that:
Described front-wheel is connected with foot pedal apparatus power;
Be articulated with steering handle on the described vehicle frame, the front end that each side articulates a Linkage steering of described steering handle, the length of two described Linkage steerings is identical and be arranged in parallel, the rear end of two described Linkage steerings respectively articulates an end of a fork, and each captives joint the other end of described fork with the car fork of a described trailing wheel;
The formula seat of fixedly lying on the described vehicle frame.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: the front end of the described formula seat of lying is connected with described vehicle frame by clamp, and the rear end is connected with described vehicle frame by two root architecture expansion links.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: seat and the chair back of the described formula seat of lying are made by resilient strip.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: the described formula seat of lying also has can regulate height and the headrest of luffing angle.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: described vehicle frame is made with oval thin-wall steel tube.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: fixedly there is cargo compartment at the rear portion of described vehicle frame.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: the diameter of described front-wheel is greater than the diameter of described trailing wheel.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: the axle skin of described front-wheel is hollow structure, the axle of described foot pedal apparatus passes from described axle skin, and be connected with described axle micromicro by bearing with relatively rotating, described axle skin is provided with external gear, the axle of described foot pedal apparatus is connected with the gear flywheel by overriding clutch, and described external gear is connected by change-speed box power with described gear flywheel, advances to drive described front-wheel rotation by described foot pedal apparatus.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: described change-speed box comprises a little axle that is parallel to the axle setting of described foot pedal apparatus, described little axle is connected in vehicle frame rotationally by bearing, one end of described little axle is provided with first intermediate gear with described external gear engagement, the other end be provided with can with second intermediate gear of described gear flywheel engagement.
Turn to the lying type three wheel bicycle behind the described before driving, wherein: described gear flywheel has the ladder flank of tooth, described second intermediate gear comprises low speed gear and the high speed gear that diameter is less that diameter is bigger, described low speed gear and high speed gear all can endwisely slip at described little axle, to select the low order flank engagement by described low speed gear and described gear flywheel, perhaps select the high-order flank engagement by described high speed gear and described gear flywheel.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: adopt the before driving structure, need not to arrange chain, make integral structure be simplified, fault rate reduces; Adopt the back steering structure, can reduce steering effort, be convenient to operation; The employing formula structure of lying, riding for a long time also can be tired, improves the comfort level of riding.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is birds-eye view of the present utility model;
Fig. 3 is the birds-eye view after the utility model is removed seat;
Fig. 4 is the cutaway view of the drive part of front-wheel;
Fig. 5 is right elevation of the present utility model.
Description of reference numerals: 1-spoke; The 2-front-wheel; 21-axle skin; The 22-external gear; The little axle of 23-; 24-first intermediate gear; The 25-low speed gear; The 26-high speed gear; The 27-pin; Mud cover before the 3-; The 4-foot pedal apparatus; The 41-axle; 42-gear flywheel; 5-front brake assembly; The 6-vehicle frame; The 7-steering handle; The 71-Linkage steering; The 72-fork; 73-car fork; The 8-formula seat of lying; The 81-clamp; The 82-headrest; The 83-resilient strip; 9-structure expansion link; The 10-cargo compartment; Mud cover behind the 11-; The 13-trailing wheel; The 14-spoke.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 5, be front view of the present utility model, birds-eye view and right elevation, after being provided, a kind of before driving turns to the lying type three wheel bicycle, it comprises 28 inches of a vehicle frame 6, large-sized front-wheel 2(such as diameters) and 12 inches of two undersized trailing wheel 13(such as diameters), wherein:
As Fig. 1, Fig. 3, shown in Figure 4, the axle skin 21 of described front-wheel 2 is hollow structure, the axle 41 of foot pedal apparatus 4 passes from described axle skin 21, and be connected rotatably with described axle skin 21 by bearing, described axle skin 21 is provided with external gear 22, the axle 41 of described foot pedal apparatus is connected with gear flywheel 42 by overriding clutch, and described external gear 22 is connected by change-speed box power with described gear flywheel 42, advances to rotate by the described front-wheel 2 of described foot pedal apparatus 4 drives.Wherein, described change-speed box comprises a little axle 23 that is parallel to the axle setting of described foot pedal apparatus, described little axle 23 is connected in vehicle frame 6 rotationally by bearing, the one end is provided with first intermediate gear 24 with the engagement of described external gear, the other end be provided with can with second intermediate gear of described gear flywheel engagement.In order to adjust converter speed ratio, in the present embodiment, described gear flywheel 42 has the ladder flank of tooth, described second intermediate gear then comprises low speed gear 25 and the high speed gear 26 that diameter is less that diameter is bigger, select by the low order flank engagement of described low speed gear 25 with described gear flywheel 42, perhaps by the high-order flank engagement of described high speed gear 26 with described gear flywheel 42, fixing with pin 27 then, can transmit the moment of torsion of different sizes, reach the purpose of speed change.
As Fig. 1, shown in Figure 5, pin in a vertical setting of described vehicle frame 6 usefulness is connected with steering handle 7, the front end that each side articulates a Linkage steering 71 of described steering handle 7, the length of two described Linkage steerings 71 is identical and be arranged in parallel, the rear end of two described Linkage steerings 71 respectively articulates an end of a fork 72, each pitches the other end of described fork 72 73 with the car of a trailing wheel 13 and captives joint, when rotating described steering handle 7, described connecting rod will drive described fork 72 around car fork 73 rotations of trailing wheel 13, thereby two trailing wheels of interlock 13 are done rotation synchronously, so that change the direct of travel of described tricycle.
Also be provided with the formula seat 8 of lying on the described vehicle frame 6, the front end of the described formula seat 8 of lying is connected with described vehicle frame 6 by clamp 81, the rear end is connected with described vehicle frame 6 by two root architecture expansion links 9, by regulating the front and back position of described clamp 81 on described vehicle frame 6, and by regulating the length of described structure expansion link 9, can regulate front and back position and the angle of inclination of the described formula seat 8 of lying.The seat of the formula of lying seat 8 and the chair back are made by high-intensity resilient strip 83, have the effect of comfortable damping, antifatigue.And the described formula seat 8 of lying also has can regulate height and the headrest 82 of luffing angle.
Wherein, also be provided with front brake assembly 5 on the described front-wheel 2, described front brake assembly 5 can be connected to brake on the described steering handle 7 last by brake cable, and this is prior art, does not repeat them here.
In addition, described vehicle frame 6 is made with oval thin-wall steel tube, and is simple in structure, easily manufactured; And fixedly there is cargo compartment 10 below that the rear portion of vehicle frame 6 is positioned at the described formula seat 8 of lying, can hold the required article of out on tours, and safety is convenient again.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (10)
1. turn to the lying type three wheel bicycle behind a before driving, it comprises a vehicle frame, a front-wheel and two trailing wheels, it is characterized in that:
Described front-wheel is connected with foot pedal apparatus power;
Be articulated with steering handle on the described vehicle frame, the front end that each side articulates a Linkage steering of described steering handle, the length of two described Linkage steerings is identical and be arranged in parallel, the rear end of two described Linkage steerings respectively articulates an end of a fork, and each captives joint the other end of described fork with the car fork of a described trailing wheel;
The formula seat of fixedly lying on the described vehicle frame.
2. turn to the lying type three wheel bicycle behind the before driving according to claim 1, it is characterized in that: the front end of the described formula seat of lying is connected with described vehicle frame by clamp, and the rear end is connected with described vehicle frame by two root architecture expansion links.
3. turn to the lying type three wheel bicycle behind the before driving according to claim 2, it is characterized in that: seat and the chair back of the described formula seat of lying are made by resilient strip.
4. turn to the lying type three wheel bicycle behind the before driving according to claim 2, it is characterized in that: the described formula seat of lying also has can regulate height and the headrest of luffing angle.
5. turn to the lying type three wheel bicycle behind the before driving according to claim 1, it is characterized in that: described vehicle frame is made with oval thin-wall steel tube.
6. turn to the lying type three wheel bicycle behind the before driving according to claim 1, it is characterized in that: fixedly there is cargo compartment at the rear portion of described vehicle frame.
7. turn to the lying type three wheel bicycle behind the before driving according to claim 1, it is characterized in that: the diameter of described front-wheel is greater than the diameter of described trailing wheel.
8. turn to the lying type three wheel bicycle behind the before driving according to claim 1, it is characterized in that: the axle skin of described front-wheel is hollow structure, the axle of described foot pedal apparatus passes from described axle skin, and be connected with described axle micromicro by bearing with relatively rotating, described axle skin is provided with external gear, the axle of described foot pedal apparatus is connected with the gear flywheel by overriding clutch, described external gear is connected by change-speed box power with described gear flywheel, advances to drive described front-wheel rotation by described foot pedal apparatus.
9. turn to the lying type three wheel bicycle behind the before driving according to claim 8, it is characterized in that: described change-speed box comprises a little axle that is parallel to the axle setting of described foot pedal apparatus, described little axle is connected in vehicle frame rotationally by bearing, one end of described little axle is provided with first intermediate gear with described external gear engagement, the other end be provided with can with second intermediate gear of described gear flywheel engagement.
10. turn to the lying type three wheel bicycle behind the before driving according to claim 9, it is characterized in that: described gear flywheel has the ladder flank of tooth, described second intermediate gear comprises low speed gear and the high speed gear that diameter is less that diameter is bigger, described low speed gear and high speed gear all can endwisely slip at described little axle, to select the low order flank engagement by described low speed gear and described gear flywheel, perhaps select the high-order flank engagement by described high speed gear and described gear flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320059532 CN203111391U (en) | 2013-02-01 | 2013-02-01 | Front-wheel-drive back-wheel-steering lying-type tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320059532 CN203111391U (en) | 2013-02-01 | 2013-02-01 | Front-wheel-drive back-wheel-steering lying-type tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111391U true CN203111391U (en) | 2013-08-07 |
Family
ID=48891761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320059532 Expired - Fee Related CN203111391U (en) | 2013-02-01 | 2013-02-01 | Front-wheel-drive back-wheel-steering lying-type tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203111391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143733A (en) * | 2015-04-23 | 2016-11-23 | 朱经纬 | There is the narrow tricycle away from dual wheels arranged side by side |
| CN107539403A (en) * | 2016-06-28 | 2018-01-05 | 吴扣宝 | Front-wheel drive three-wheel voluntarily recumbent bicycle |
| WO2022121795A1 (en) * | 2020-12-07 | 2022-06-16 | Geoparagon Trade Limited | Vehicle |
-
2013
- 2013-02-01 CN CN 201320059532 patent/CN203111391U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143733A (en) * | 2015-04-23 | 2016-11-23 | 朱经纬 | There is the narrow tricycle away from dual wheels arranged side by side |
| CN107539403A (en) * | 2016-06-28 | 2018-01-05 | 吴扣宝 | Front-wheel drive three-wheel voluntarily recumbent bicycle |
| WO2022121795A1 (en) * | 2020-12-07 | 2022-06-16 | Geoparagon Trade Limited | Vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140201 |