CN2178678Y

CN2178678Y - Horizontal tricycle

Info

Publication number: CN2178678Y
Application number: CN94203783U
Authority: CN
Inventors: 孟祥永
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-02-19
Filing date: 1994-02-19
Publication date: 1994-10-05
Anticipated expiration: 2004-02-19

Abstract

The utility model provides a horizontal tricycle. In the utility model, a chair is fixed on a back longitudinal beam which is connected with a centre shaft pipe frame, and the chair is provided with a back rest with a back rake. A handle bar is connected and extended to the position corresponding to the chair through a drive rod and a universal joint. The drive rod is positioned through a coupling rod which is fixed on an oblique beam, which causes the back of the upper body of the rider to be positioned on the saddle of the tricycle. When the tricycle is driven forcibly by the feet forwards, the palm holding is comfortable.

Description

Horizontal tricycle

The utility model relates to a kind of three-wheel vehicle, relates in particular to a kind of horizontal three-wheel vehicle.

The three-wheel vehicle of widespread use at present, when riding generally all be downwards firmly drive wheels advance, this firmly the method drive efficiency is not high, and because vehicle seat is higher, makes the center of gravity of car load higher, causes stability low.In order to overcome this shortcoming, some vehicle seats occur and reduce, and make the car that pin exerts oneself drive wheels to advance forward when riding, such car is owing to firmly drive efficiency raising forward, so can improve the speed per hour of car.But this class car does not all solve the position relation of handlebar and vehicle seat well at present, handlebar is also on the original position of leaning on front-wheel into, and vehicle seat has significantly reduced height substantially from original and handlebar on a horizon, ride such car control handlebar, hand will do one's utmost to protract, and is very uncomfortable.

The purpose of this utility model is to improve the deficiency of prior art, and a kind of horizontal three-wheel vehicle is provided, and cyclist's upper body can be swung back on vehicle seat, when firmly the high efficiency drive car moves ahead or turns forward, and can the comfortable handlebar of controlling freely.

The purpose of this utility model is achieved in that

1, vehicle seats is fixed on on the joining floor side member of car axis pipe support, thereby has reduced the vertical dimension of vehicle seat; On vehicle seats, be provided with the backrest that an inclination angle is arranged backward, make the people can by bike the time, adopt the mode of riding of comfortable upper body layback.

2, connect with an end of a drive link by a universal-joint in the upper end of the front fork mandrel of former three-wheel vehicle, the other end of drive link connects firmly handlebar;

3, connect firmly a L shaped pitman rotationally on skew girder of vehicle frame, its minor face is against on the cant beam, and the free end on its long limit connects firmly by an articulated mounting and drive link, and articulated mounting can slide along drive link.Can on skew girder of vehicle frame, connect firmly a bearing, connect firmly a bearing pin on the bearing, connect firmly L shaped pitman on the bearing pin, connect firmly a bearing on the free end on its long limit, connect firmly a bearing pin on the bearing, connect firmly an end of a minor axis on the bearing pin rotationally, the other end of minor axis and a sleeve connect firmly, and sleeve is enclosed within on the drive link slidably.

Connecting firmly so not only can be around the rotational of front fork mandrel at the handlebar on the drive link and adjust outside the direction and left and right turning of car, can also rotate in the plane, wheel place of advancing forward by a bearing pin in the cross bearing pin of universal-joint.L shaped pitman rotates around the bearing pin that links with it, pass through minor axis, sleeve drives drive link and drives the drive link hypsokinesis that is associated with handlebar around a bearing pin of universal-joint, when the minor face of L shaped pitman contacts with cant beam, pitman and drive link location, the position that handlebar just is in face upward the cyclist who leans against on the vehicle seat cosily to hold and controls car, when the cyclist gets on or off the bus, to push away on handlebar and the drive link, by universal-joint and sleeve drive link is holded up, thereby the neutral gear between handlebar and the vehicle seat is increased.

For the different demands of the cyclist that adapts to different heights, brachium handlebar position when riding, the length of drive link and hypsokinesis angle can be regulated, the adjustable included angle of vehicle seat and horizontal direction.

In order to prevent that handlebar drive link and pitman from scraping in use or greasy dirt is ridden the people, establish an outer cover, drive link and pitman ladle cover are got up, outer cover is fixed on drive link and the pitman, does not influence its motion.

When driving this horizontal three-wheel vehicle, the cyclist faces upward and leans against vehicle seat, and is comfortable, control handlebar freely, in the time will turning round, rotates handlebar, makes drive link turn over an angle, and by universal-joint, front fork also turns over an angle, finishes the task of change of direction.

The horizontal three-wheel vehicle that the utility model provides, the posture of riding that makes people is from reaching forward or uprightly changing into and face upward the posture of lying on the back that leans against lazyback, the BI handlebar makes riding of pin is exerted oneself forward when lying on the back high efficiency drive car more comfortable, reduce tired, compare the ability of continuing that increased with original three-wheel vehicle, just behind the same long road that travels, the physical demands amount reduces, the distance that can continue to travel increases, and the further performance of people's potential also can corresponding raising road speed; Vehicle seat reduces, and roadability is improved, and pin can land easily simultaneously, pedals ground forward and can produce enough antagonistic forces car is retreated, and just therefore sits onboard to retreat and to do 360 ° revolution about can be deftly.This high efficiency walking-replacing tool is applicable to and comprises everyone of the elderly.

The BI handle bar structure of the horizontal three-wheel vehicle that the utility model provides is useful on the bicycle equally, also should belong to the scope that the utility model is protected.

The utility model is described in further detail with embodiment below by accompanying drawing.

Fig. 1: the utility model structural front view;

The birds-eye view of Fig. 2: Fig. 1;

Amplify the part of Fig. 3: Fig. 1, cutaway view;

Fig. 4: drive link connects semisectional view;

Fig. 5: pitman and cant beam connect firmly partial perspective view;

Fig. 6: the utility model running condition reference diagram;

Fig. 7: adjustable diameter and screw adjusting saddle part sectional view;

The left view of Fig. 8: Fig. 7;

Embodiment:

As shown in Figure 3, an affixed universal coupling 2 Hooke's coupling 2-1 on the mandrel of three-wheel vehicle front fork 1, the end welding of another Hooke's coupling 2-2 and one section short cylinder 3.As shown in Figure 4, be shaped on a cross recess 3-1 on the cylindrical wall of short cylinder 3, along open-minded to the other end of short cylinder with the groove of its parallel axes direction; Drive link 4 is a pipe, radially opens a through hole 4-1 who runs through the both sides tube wall at the one end; This end of drive link 4 is inserted in the short cylinder 3 along axis direction, in the through hole of drive link 4, be installed with a set pin 5, it is inserted in the groove end that leans on universal-joint one side on the short cylinder wall among the cross recess 3-1 with the groove of parallel axes simultaneously, the groove width of groove end and set pin 5 are complementary, and the groove width at other place of cross recessed is all less than the corresponding size in set pin 5 cross sections, therefore, an end and the short cylinder 3 with drive link 4 links up.Establish an axle sleeve 6 in the outside of short cylinder 3 and the overlapping section of connecting firmly of drive link, one screw is arranged on the wall of axle sleeve 6, be screwed in it that tightening screw 7 is pressed in short cylinder 3 with the perpendicular barrel of cross recess on, the groove width with parallel axes is narrowed down, connecting between short cylinder 3 and the drive link 4 is more reliable.

Cover one slider tube 8 vertically welds a minor axis 9 with it on its barrel on drive link, and the free end of minor axis 9 is radially opened a through hole that runs through the two side, wears a rotational pin 10 in the through hole, and the two ends of rotational pin 10 are fixed on the bearing 11.Bearing 11 is welded on the end of long limit 12-1 of L shaped pitman 12, and L shaped pitman 12 also claims wedge 12-2 to form by long limit 12-1 and minor face, and long limit and wedge and an axle sleeve 13 weld.Be installed with rotational pin 14 in the axle sleeve 13, the two ends of rotational pin 14 are fixed on the both sides ledge of cradle 15, and the trough floor of bearing 15 is welded on the cant beam 16 of three-wheel vehicle.The bottom surface of wedge 12-2 contacts with the bottom land of bearing 15, and makes the drive link location by the long limit 12-1 of pitman.If will upwards push away the end that is associated with slider tube of drive link, drive link and pitman respectively among the universal-joint cross pin pin and rotational pin 14 rotate, the trough floor of bearing 15 is left in the bottom surface of wedge simultaneously.On wedge 12-2, make a call to a tapped through hole, screw in one in it from top to bottom parallactic angle degree set screw 17.

Radially open a through hole 4-2 who runs through the both sides tube wall at the other end of drive link, be installed with a set pin 18 in it, cover one handlebar connects an end of cylinder 19 on this end, open a cross recess 19-1 on this end barrel, wherein with the groove of drive link 4 parallel axes directions in that to connect drive link one side open-minded, the well width unanimity of this direction, be complementary with the size of set pin, the set pin 18 that in the through hole 4-1 of drive link 4, is installed with, be inserted in simultaneously in the groove wide among the cross recess 19-1, the outside that connects the overlapping connection of cylinder at drive link 4 with handlebar is with an axle sleeve 20, and Qi Bishang has a screw, is screwed into a tightening screw 21 in the hole, its be pressed in that handlebar connects cylinder 19 with the perpendicular barrel of equal-width groove on, this groove width narrows down, and connects firmly and make drive link 4 connect cylinder 19 with handlebar, connects the other end welding tractor of cylinder 19 22 at handlebar.

With the joining floor side member 24 of the axis pipe support of three-wheel vehicle on fix an aero seat 23.

The position of handlebar can be realized by the angle α that regulates drive link fixed position and horizontal direction: with parallactic angle degree set screw 17 is revolved inward on the wedge 12-2, screw 17 is lifted one's head Duan Yuechang in the wedge another side, the angle β of long limit 12-1 of pitman and horizontal direction is increased, the angle α of the drive link that links with it by slider tube 8 increases simultaneously, handlebar leaves seat 24, oppositely regulate parallactic angle degree set screw 17, the drive link 4 and the angle α of horizontal direction are reduced, and handlebar is then near seat 23.

The position of handlebar also can be realized by the relative position of regulating drive link 4 and handlebar connection cylinder: unclamp tightening screw 21, handlebar connects cylinder 19 and can move forward and backward along the drive link axis direction by groove wide among the cross recess 19-1, when when the drive link direction moves, handlebar is away from seat 23, when reversing sense moved, handlebar was near seat 23, behind overregulate, again screw tightening screw 21, handlebar promptly is fixed on the desired location.

Below aero seat, establish a screw-drive mechanism, can realize the adjusting of chair angle: as an end of welding one nut 25 on the lower surface of Fig. 7, seat shown in Figure 8, the one end welding of the other end of nut and a connecting rod 26, the other end of connecting rod 26 is hinged with the seat support 28 that is connected with floor side member by bearing pin 27, seat support 28 stretches out an affixed bar 29 in addition, and its rod end and seat form hinge-coupled.Revolve a screw rod 30 on the nut 25, an end of screw rod is inserted in bracket groove 31 1 stomidiums, and the other end of bracket groove 31 is established a removable baffle plate 32, and the other end of screw rod props up on removable baffle plate, and removable baffle plate and bracket groove are fastening with two bolts 33.

When rotary screw 30, nut 25 moves forward along screw rod, and connecting rod vertically gets up and lifts on the end with seat, and seat rotates around the hinge-point that affixed bar rod end and seat form, and chair surface is faced upward; When contra rotating screw 30, chair surface falls until level.

On drive link and pitman, can establish an outer cover that makes it to be capped 34, as shown in Figure 6.

Claims

1, a kind of horizontal three-wheel vehicle is characterized in that: vehicle seats is fixed on on the joining floor side member of car axis pipe support, is provided with the backrest that an inclination angle is arranged backward on vehicle seats; Upper end at the front fork mandrel of former three-wheel vehicle connects with an end of a drive link by a universal-joint, and the other end of drive link connects firmly handlebar; Connect firmly rotationally on skew girder of vehicle frame-L shaped pitman, its minor face is against on the cant beam, and the free end on its long limit connects firmly by an articulated mounting and drive link, and articulated mounting can slide along drive link.

2, horizontal three-wheel vehicle according to claim 1, it is characterized in that: an affixed universal coupling Hooke's coupling on the mandrel of three-wheel vehicle front fork, the one end welding of another Hooke's coupling and one section short cylinder, be shaped on a cross recess on the cylindrical wall of short cylinder, along open-minded to the other end of short cylinder with the groove of its parallel axes direction; Drive link is a pipe, radially opens a through hole that runs through the both sides tube wall at the one end; This end of drive link is inserted in the short cylinder along axis direction, in the through hole of drive link, be installed with a set pin, it is inserted in the groove end that leans on universal-joint one side on the short cylinder wall in the cross recess with the groove of parallel axes simultaneously, the groove width and the set pin of groove end are complementary, and the groove width at other place of cross recessed is all less than the corresponding size in set pin cross section.

3, horizontal three-wheel vehicle according to claim 2 is characterized in that: an axle sleeve is established in the outside in short cylinder and the overlapping section of connecting firmly of drive link, and a screw is arranged on the wall of axle sleeve, be screwed in it that tightening screw is pressed in short cylinder with the perpendicular barrel of cross recess on.

4, horizontal three-wheel vehicle according to claim 1, it is characterized in that: the through hole that runs through the both sides tube wall of radially opening at the other end of drive link is installed with a set pin in it, cover one handlebar connects an end of cylinder on this end, open a cross recess on this end barrel, wherein with the groove of drive link 4 parallel axes directions in that to connect drive link one side open-minded, the well width unanimity of this direction, be complementary with the size of set pin, the set pin that in the through hole of drive link, is installed with, be inserted in simultaneously in the groove wide in the cross recess, the outside that connects the overlapping connection of cylinder at drive link with handlebar is with an axle sleeve, one screw is arranged on its wall, be screwed into a tightening screw in it, its be pressed in that handlebar connects cylinder with the perpendicular barrel of equal-width groove on.

5, horizontal three-wheel vehicle according to claim 1, it is characterized in that: on skew girder of vehicle frame, connect firmly a bearing, connect firmly a bearing pin on the bearing, be installed with an axle sleeve on the bearing pin, the long limit of L shaped pitman and minor face are that wedge is welded on the axle sleeve, connect firmly a bearing on the free end on its long limit, connect firmly a bearing pin on the bearing, connect firmly an end of a minor axis on the bearing pin rotationally, the other end of minor axis and a sleeve connect firmly, and sleeve is enclosed within on the drive link slidably.

6, horizontal three-wheel vehicle according to claim 1 is characterized in that: make a call to a tapped through hole on wedge, screw in one in it from top to bottom parallactic angle degree set screw.

7, horizontal three-wheel vehicle according to claim 1, it is characterized in that: an end of welding one nut on the lower surface of seat, the one end welding of the other end of nut and a connecting rod, the other end of connecting rod is hinged with the seat support that is connected with floor side member by bearing pin, seat support stretches out an affixed bar in addition, its rod end and seat form hinge-coupled, revolve a screw rod on the nut, one end of screw rod is inserted in bracket groove one stomidium, the other end of bracket groove is established a removable baffle plate, the other end of screw rod props up on removable baffle plate, and removable baffle plate and bracket groove are with two bolted.