CN2895209Y

CN2895209Y - Reclining tricycle

Info

Publication number: CN2895209Y
Application number: CNU200620024388XU
Authority: CN
Inventors: 张树立
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-10
Filing date: 2006-05-10
Publication date: 2007-05-02
Anticipated expiration: 2016-05-10

Abstract

A recumbent tricycle comprises a vehicle frame, two rear wheels, a front wheel, a front wheel frame, a chain, a driving chain wheel, a driven chain wheel and handlebars, wherein the two rear wheels are arranged at the rear axle bracket of the vehicle frame through the vehicle axle, characterized in that the vehicle frame is composed of a longitudinal beam and a transverse rear axle bracket, while the front wheel frame is arranged at the vehicle frame through the inclined shaft sleeve in the front of the longitudinal beam and the saddle is arranged on the longitudinal beam and is also provided with a backrest frame that shows a Omega shape. The lower part of the backrest frame is connected with the saddle, while a backrest is arranged at the backrest frame; the front wheel frame is a tripod that is composed of an inclined pipe, a bottom fork and a protective fork bar, while an inclined shaft sleeve of the vehicle frame is inserted into the upper part of the inclined pipe of the front wheel frame and a middle shaft sleeve is arranged at the fixation position of the inclined pipe of the front wheel frame and the bottom fork. A middle shaft is arranged in the middle shaft sleeve, while the driving chain wheel and the crank shaft of the pedal are fastened to the middle shaft; the front wheel is arranged in front of the bottom fork, while the driven chain wheel is arranged at the wheel axle of the front wheel. The utility model is applicable to the disabled people who are hard to stand up for going out or taking exercise.

Description

The three-wheel vehicle of reclining

Technical field

The utility model relates to a kind of three-wheel vehicle.

Background technology

Existing three-wheel vehicle generally be rear drive and also can only sitting by bike, body has disabledly needs recumbency people by bike be not easy to use.

Summary of the invention

In order to overcome the above-mentioned deficiency of existing three-wheel vehicle, the three-wheel vehicle that the utility model provides a kind of energy recumbency to ride.

The utility model comprises vehicle frame, two rear wheels, front vehicle wheel, front wheel carrier, vehicle seat, chain, drive sprocket, driven sprocket and handlebar, two rear wheels are installed in the rear axle support of vehicle frame by axletree, chain is installed on drive sprocket and the driven sprocket, front wheel carrier is installed in the front end of vehicle frame, front vehicle wheel is installed in front wheel carrier, handlebar is installed in before the vehicle frame and is plugged into the upper end of front wheel carrier, vehicle seat is installed in vehicle frame, it is characterized in that: said vehicle frame by from after curved up forward longitudinal beam and horizontal rear axle support be fixed together and constitute, overlook T-shaped, front wheel carrier is installed in the vehicle frame front end by the inclined shaft cover that is fixed on the longitudinal beam front end, vehicle seat is propped up by spring perch and spring and a mouthful downward U-shaped that chucking is solid to be constituted together, spring perch has a dull and stereotyped and mouthful downward U-shaped clamp, dull and stereotyped and U-shaped clamp is fixed as one, in the stage casing of longitudinal beam some cross through hole are arranged, vehicle seat is installed in longitudinal beam by U-shaped Zhi Kayu U-shaped clamp with the cross through hole that fastener is horizontally through longitudinal beam, vehicle seat also is installed with back rest, back rest is Ω shape, the lower end and the vehicle seat of back rest link together, and at back rest backrest are installed.Said front wheel carrier is for by inclined tube and chain stay and protect fork arm and spider that pole constitutes, the inclined shaft cover of vehicle frame is inserted in the inclined tube upper end of front wheel carrier, at the inclined tube of front wheel carrier and the bearing of chain stay bottom bracket axle is arranged, pole is connected in bottom bracket axle and protects between the fork arm, axis is installed in bottom bracket axle, and the crank shaft of drive sprocket and stretcher is fastened on axis.Front vehicle wheel is installed in the front end of chain stay, and driven sprocket is installed in the axletree of front vehicle wheel.

Above-mentioned three-wheel vehicle, it is characterized in that also being installed with tilt and hood frame, hood frame is made of longitudinal extension bar and the arc cross bar that is installed in the expansion link two ends, hood frame is H shape in the horizontal direction, tilt covers on the hood frame, at the expansion link of hood frame the strut bar of embowment is installed, the lower end of strut bar is fixed on back rest.

Above-mentioned three-wheel vehicle is characterized in that: said expansion link is plugged into extra heavy pipe by tubule and is tightened together by adapter sleeve and constitute, and adapter sleeve is made of collet pipe and the two ends screwed pipe by thread connection, and the internal diameter of collet Guan Yiduan is greater than the internal diameter of the other end.

In order to increase the stationarity of three-wheel vehicle, the rear axle support of this three-wheel vehicle laterally is an obtuse angle shape, and the axletree of two rear wheels is inclined upwardly.Make the distance between the wheel rim of latter two wheel up-narrow and down-wide.

Above-mentioned three-wheel vehicle is characterized in that: above front vehicle wheel cross-sectional plane being installed is the front shroud of arc.

The utility model is taked said structure, adopts the front vehicle wheel drive configuration, and the people is reclining can ride to drive and travelling, and being suitable for body has deformity to be difficult to upright people out or take exercises use.Tilt is installed to be convenient to keep the sun off.

Description of drawings

Fig. 1 is the outside drawing of this three-wheel vehicle embodiment one.

Fig. 2 is the partial top view with the corresponding rear portion of Fig. 1.

Fig. 3 is and the corresponding partial left side view of Fig. 1.

Fig. 4 is the back view of vehicle seat.

Fig. 5 is the upward view of tilt and hood frame.

Fig. 6 is the central structure figure of expansion link.

Fig. 7 is a strut bar and the figure that connects of expansion link.

Fig. 8 is a cross bar and the figure that connects of expansion link.

Fig. 9 is the outside drawing of this three-wheel vehicle embodiment two.

Fig. 4, Fig. 5, the relative Fig. 1 with Fig. 8 of Fig. 6, Fig. 7 amplify.Among the above-mentioned figure:

1, tilt 2, strut bar 3, back rest 4, rear wheel 5, axletree

6, longitudinal beam 7, backrest 8, spring 9, vehicle frame 10, vehicle seat

11, handlebar 12, handlebar threeway 13, handlebar knee 14, handlebar intubate

15, protect fork arm 16, inclined shaft cover 17, pole 18, bottom bracket axle 19, front vehicle wheel

20, axletree 21, driven sprocket 22, chain stay 23, axis 24, crank shaft

25, drive sprocket 26, chain 27, inclined tube 28, front wheel carrier 29, longitudinal beam bending section

30, bolt 31, U-shaped prop up card 32, spring perch 33, bolt 34, through hole

35, rear axle support 36, firm screw 37, flat board 38, tightening screw 39, U-shaped clamp

40, cross bar 41, mounting board 42, cloth cover 43, hood frame 44, expansion link

45, tubule 46, mounting board 47, firm bolt 48, adapter sleeve 49, extra heavy pipe

50, cross bar 51, collet pipe 52, screwed pipe 53, screwed pipe

54, bolt 55, pole 56, front shroud

The specific embodiment

Below in conjunction with the specific embodiment of embodiment and this three-wheel vehicle of description of drawings thereof, but the specific embodiment of this three-wheel vehicle is not limited to following embodiment.

Fig. 1, the three-wheel vehicle that Fig. 2 and Fig. 3 describe comprises vehicle frame 9, two rear wheels 4, front vehicle wheel 19, front wheel carrier 28, vehicle seat 10, chain 26, drive sprocket 25, driven sprocket 21 and handlebar 11, two rear wheels 4 are installed in the rear axle support 35 of vehicle frame 9 by axletree 5, chain 26 is installed on drive sprocket 25 and the driven sprocket 21, front wheel carrier 28 is installed in the front end of vehicle frame 9, front vehicle wheel 19 is installed in front wheel carrier 28, handlebar 11 is installed in before the vehicle frame 9 and is plugged into the upper end of front wheel carrier 28, vehicle seat 10 is installed in vehicle frame 9, it is characterized in that: said vehicle frame 9 by from after curved up forward longitudinal beam 6 be fixed together with horizontal rear axle support 35 and constitute, overlook T-shapedly, front wheel carrier 28 is installed in the front end of vehicle frame 9 by the inclined shaft cover 16 that is fixed on longitudinal beam 6 front ends.Vehicle seat 10 props up card 31 by spring perch 32 and two springs 8 and a mouthful downward U-shaped and tightens together and constitute, spring perch 32 have one dull and stereotyped 37 with a mouthful downward U-shaped clamp 39, dull and stereotyped 37 and U-shaped clamp 39 be fixed as one, referring to Fig. 4.Seven cross through hole such as through hole 34 are arranged in the stage casing of longitudinal beam 6, vehicle seat 10 props up card 31 by U-shaped and is installed in longitudinal beam 6 with U-shaped clamp 39 usefulness bolts 30 with the cross through hole 34 that bolt 33 is horizontally through longitudinal beam 6, vehicle seat 10 also is installed with back rest 3, back rest 3 is Ω shape, the lower end of back rest 3 and vehicle seat 10 link together, and at back rest 3 backrest 7 are installed.Said front wheel carrier 28 is mainly by inclined tube 27 and chain stay 22 and protect fork arm 15 and spider that pole 17 constitutes, the inclined shaft cover 16 of vehicle frame 9 is inserted in inclined tube 27 upper ends of front wheel carrier 28, at the inclined tube 27 of front wheel carrier 28 and the bearing of chain stay 22 bottom bracket axle 18 is arranged, the two ends of pole 17 are connected in to be protected between fork arm 15 and the bottom bracket axle 18, axis 23 is installed in bottom bracket axle 18, and drive sprocket 25 is fastened on axis 23 with the crank shaft 24 of stretcher.Front vehicle wheel 19 is installed in the front end of chain stay 22, and driven sprocket 21 is installed in the axletree 20 of front vehicle wheel 19.The rear axle support 35 of present embodiment is an obtuse angle shape laterally, and the axletree 5 of two rear wheels 4 is inclined upwardly, and becomes 5 ° of angles with level, makes the distance between the wheel rim of two rear wheels 4 up-narrow and down-wide.Vehicle frame behind the also available straight-bar equates the distance between the wheel rim of two rear wheels 4 up and down.

Present embodiment also is installed with tilt 1 and hood frame 43, hood frame 43 is made of longitudinal extension bar 44 and the cross bar 40 and the cross bar 50 that are installed in expansion link 44 two ends, hood frame 43 is H shape in the horizontal direction, referring to Fig. 5, tilt 1 covers on the hood frame 43, the expansion link 44 of hood frame 43 is installed with the strut bar 2 of embowment by mounting board 46, sees Fig. 7, and the lower end of strut bar 2 is fixed on back rest 3.The expansion link 44 of present embodiment is plugged into extra heavy pipe 49 by tubule 45 and is tightened together by adapter sleeve 48 and constitute, referring to Fig. 6, adapter sleeve 48 is made of with screwed pipe 53 three collet pipes 51 and the two ends screwed pipe 52 by thread connection, the internal diameter of three collet pipe 51 1 ends is greater than the internal diameter of the other end, and big or small internal diameter is clamped extra heavy pipe 49 and tubule 45 respectively.Cross bar 40 is installed in an end of tubule 45 by binding bolt 54 and mounting board 41, referring to Fig. 8.

The embodiment two of this three-wheel vehicle sees Fig. 9, and it is that the installation cross-sectional plane is the front shroud 56 of arc above the front vehicle wheel 19 of three-wheel vehicle embodiment one.

Claims

1, a kind of three-wheel vehicle of reclining, it comprises vehicle frame, two rear wheels, front vehicle wheel, front wheel carrier, vehicle seat, chain, drive sprocket, driven sprocket and handlebar, two rear wheels are installed in the rear axle support of vehicle frame by axletree, chain is installed on drive sprocket and the driven sprocket, front wheel carrier is installed in the front end of vehicle frame, front vehicle wheel is installed in front wheel carrier, handlebar is installed in before the vehicle frame and is plugged into the upper end of front wheel carrier, vehicle seat is installed in vehicle frame, it is characterized in that: said vehicle frame by from after curved up forward longitudinal beam and horizontal rear axle support be fixed together and constitute, overlook T-shaped, front wheel carrier is installed in the vehicle frame front end by the inclined shaft cover that is fixed on the longitudinal beam front end, vehicle seat is propped up by spring perch and spring and a mouthful downward U-shaped that chucking is solid to be constituted together, spring perch has a dull and stereotyped and mouthful downward U-shaped clamp, dull and stereotyped and U-shaped clamp is fixed as one, in the stage casing of longitudinal beam some cross through hole are arranged, vehicle seat is installed in longitudinal beam by U-shaped Zhi Kayu U-shaped clamp with the cross through hole that fastener is horizontally through longitudinal beam, vehicle seat also is installed with back rest, back rest is Ω shape, the lower end and the vehicle seat of back rest link together, and at back rest backrest are installed.Said front wheel carrier is for by inclined tube and chain stay and protect fork arm and spider that pole constitutes, the inclined shaft cover of vehicle frame is inserted in the inclined tube upper end of front wheel carrier, at the inclined tube of front wheel carrier and the bearing of chain stay bottom bracket axle is arranged, pole is connected in bottom bracket axle and protects between the fork arm, axis is installed in bottom bracket axle, and the crank shaft of drive sprocket and stretcher is fastened on axis.Front vehicle wheel is installed in the front end of chain stay, and driven sprocket is installed in the axletree of front vehicle wheel.

2, three-wheel vehicle according to claim 1, it is characterized in that: tilt and hood frame also are installed, hood frame is made of longitudinal extension bar and the arc cross bar that is installed in the expansion link two ends, hood frame is H shape in the horizontal direction, tilt covers on the hood frame, at the expansion link of hood frame the strut bar of embowment is installed, the lower end of strut bar is fixed on back rest.

3, three-wheel vehicle according to claim 2, it is characterized in that: said expansion link is plugged into extra heavy pipe by tubule and is tightened together by adapter sleeve and constitute, adapter sleeve is made of collet pipe and the two ends screwed pipe by thread connection, and the internal diameter of collet Guan Yiduan is greater than the internal diameter of the other end.

4, according to claim 1,2 or 3 described three-wheel vehicles, it is characterized in that: rear axle support is laterally for obtuse angle shape, and the axletree of two rear wheels is inclined upwardly, and makes the distance between the wheel rim of two rear wheels up-narrow and down-wide.

5, according to claim 1,2 or 3 described three-wheel vehicles, it is characterized in that: above front vehicle wheel cross-sectional plane being installed is the front shroud of arc.