CN101829422B

CN101829422B - Tri-wheel golf trolley

Info

Publication number: CN101829422B
Application number: CN 201010301158
Authority: CN
Inventors: 曹清林
Original assignee: Jiangsu University of Technology
Current assignee: JIANGSU XINGANG ENTERPRISE CO Ltd; Jiangsu University of Technology
Priority date: 2010-02-03
Filing date: 2010-02-03
Publication date: 2011-09-28
Anticipated expiration: 2030-02-03
Also published as: CN101829422A

Abstract

The invention discloses a hand-propelled tri-wheel golf trolley, which comprises a trolley body, a front wheel and two rear wheels, wherein the trolley body comprises a push rod, a middle rod and a front rod; two symmetric parallelogram mechanisms are arranged on the middle rod; each parallelogram mechanism comprises fixing elements, an angular element consisting of an upright plate and an inclined plate, and a front oscillating bar and a rear oscillating bar, which are hinged between the fixing elements and the inclined plate; two fixing elements are fixed on the front rod and form an included angle which is less than 120 degrees; rear wheel axles are fixed on an upright plate of the angular element; the two rear wheels are sleeved on two rear wheel axles through the central holes thereof respectively; a sliding sleeve is arranged on the middle rod; an upper connecting rod is hinged between the sliding sleeve and the push rod; lower connecting rods are hinged between the sliding sleeve and the front oscillating bars of the two parallelogram mechanisms respectively; the two lower connecting rods are symmetric; and a front wheel frame is fixed at the front end of the front rod and is connected with the front wheel. The hand-propelled tri-wheel golf trolley of the invention is simple in structure, convenient in folding and small in the size of the whole trolley after the trolley is folded.

Description

Three-wheel golf cart

Technical field

The present invention relates to three-wheel golf cart.

Background technology

In golf sports, club is the topmost device of this motion, puts and is the ball car with its means of transport that moves to another impact point from an impact point, also claims golf cart.On a complete golf cart, club generally places the ball bag, and the ball bag places on the vehicle frame of ball car and fastening, and the ball car also has other many auxiliary functions.Hand-push type three-wheel golf cart carries for convenience, can be designed to folding structure.The disclosed wheel of the utility model patent specification limit pipe foldable golf trolley of China Patent No. CN200820030984.8, adopt articulated folding mode, it comprises vehicle frame and is used to install the limit pipe of trailing wheel that the limit pipe is connected with vehicle frame by rotary folding mechanism.Between three wheels and the main structure of vehicle body is respectively articulated structure, when needing to fold, stop pin withdraws from the locking to lock slots, the limit pipe that wheel is installed rotates around rotating shaft, draw in to vehicle frame, after the limit pipe folded and puts in place, wheel can carry out the side direction turnover by fold mechanism, thereby realized the folding of car load.In the above-mentioned patent, a plurality of joints are set structurally, in folding process, it is folding just to finish car load through a plurality of actions, so there is the comparatively complicated and folding inconvenient deficiency of structure.The disclosed golf cart of utility model patent specification of China Patent No. CN 03206454.3, adopt the folding mode of spatial linkage formula, a component movement in the car load, realize the folding of main structure of vehicle body and two trailing wheels, again that front-wheel is folding, though folding more convenient than the ball car of articulated structure, adopt the space connecting-rod structural design and make complicated.

Summary of the invention

The objective of the invention is to propose a kind of simple in structure, folding convenient and folding after the little three-wheel golf cart of car load volume.

For achieving the above object, the present invention takes following technical scheme:

The present invention has vehicle body main body, front-wheel and two trailing wheels, is fixed with forecourt bag bracket and back ball bag bracket on the vehicle body main body; It is characterized in that: the vehicle body main body comprises push rod, king-rod and preceding bar, described push rod and king-rod are hinged, king-rod and preceding bar are hinged, on king-rod, be provided with the parallel-crank mechanism of two symmetries, the angle-shaped piece that described lanar four rod mechanism comprises fixture, be made of vertical panel and swash plate and be hinged on fixture and swash plate between front roll bar and back fork, two fixtures are fixed on the preceding bar and two fixtures have the angle of spending less than 120, be fixed with hind axle on the vertical panel of described angle-shaped piece, described two trailing wheels are enclosed within respectively on described two hind axles by centre bore separately; Described king-rod is provided with sliding sleeve, is hinged with connecting rod between sliding sleeve and the push rod, respectively is hinged with lower link between the front roll bar of sliding sleeve and two parallel-crank mechanisms, two lower link symmetries; The front end of preceding bar is fixed with front wheel carrier, and described front-wheel is connected with front wheel carrier.

Described front wheel carrier comprises connecting lever and rotation seat, and the front end of connecting lever is provided with the hole, and described rotation seat inserts in the hole of connecting lever the revolute pair that connects and composes with connecting lever, is fixed with front axle on the side of rotation seat, and front-wheel is enclosed within on the front axle by centre bore.

The present invention has following good effect:

1, vehicle body main body and two trailing wheels realize by mechanism's interlock and open that car load folds or opens only needs twice action just can finish folding convenient folding.

2, realizing folding and opening the mechanism that is adopted is parallel-crank mechanism, and simple in structure, easily manufactured, cost is low.

3, folding back car load is an approximate cube, does not wherein have unnecessary free space substantially, and the volume after folding is less, the volume minimum of needed packing case during the car load packing.

4, two slider mechanism realize the interlock of mechanism in the Different Plane by having a sliding sleeve, i.e. the transmission of motion and energy in the Different Plane has reached the function that usage space mechanism could realize.

Description of drawings

For the easier quilt of content of the present invention is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein below

It is open mode stereogram of the present invention that Fig. 1 beats;

Fig. 2 is and the reciprocal stereogram of Fig. 1;

Fig. 3 is the back apparent direction diagrammatic sketch of Fig. 1;

Fig. 4 is that trailing wheel connects diagrammatic sketch;

Fig. 5 is folding figure of the present invention.

The specific embodiment

Embodiment 1

See accompanying drawing, present embodiment has vehicle body main body, front-wheel 5 and two trailing wheels 6.The vehicle body main body comprises push rod 3, king-rod 2 and preceding bar 1, and push rod 3 and king-rod 2 are connected to form revolute pair by bearing pin, and king-rod 2 and preceding bar 1 are connected to form revolute pair by bearing pin, and respectively there is locking device two revolute pair junctions.In open mode, the vehicle body main body is slightly S-shaped.Front end at preceding bar 1 is fixed with front wheel carrier 4, is fixed with forecourt bag bracket 11 at the front end of preceding bar 1 or the rear end of front wheel carrier 4, is fixed with back ball bag bracket 12 on king-rod 2.

It is lanar four rod mechanism that the rear portion of described king-rod 2 is arranged with two parallel-crank mechanisms 7, the angle-shaped piece 7-4 that described parallel-crank mechanism 7 comprises fixture 7-1, be made of vertical panel 7-4-1 and swash plate 7-4-2 and be hinged on fixture 7-1 and swash plate 7-4-2 between front roll bar 7-2 and back fork 7-3.Forward and backward fork and fixture 7-1 be connected and forward and backward fork all constitutes revolute pair with being connected of swash plate 7-4-2.

Two fixture 7-1 are fixed on the king-rod 2 with the angle α symmetry less than 120 degree, and the angle α of present embodiment gets 90 degree, and the fixture 7-1 of two parallel-crank mechanisms 7 can link together, and is integral piece.

The vertical panel 7-4-1 of described angle-shaped piece 7-4 and the angle β of swash plate 7-4-2 are half of angle α between the fixture of two parallel-crank mechanisms 7.Be fixed with hind axle 7-5 on the vertical panel 7-4-1 of described angle-shaped piece 7-4, two trailing wheels 6 are enclosed within respectively by centre bore separately on the hind axle 7-5 of vertical panel 7-4-1 of two angle-shaped piece 7-4.

Described king-rod 2 is provided with sliding sleeve 8, is provided with connecting rod 9 between sliding sleeve 8 and the push rod 3, and the two ends of last connecting rod 9 are connected by bearing pin with described sliding sleeve 8, push rod 3 respectively, constitute first group of plane slider mechanism; Respectively be provided with lower link 10, two lower links 10 symmetries between the front roll bar 7-2 of sliding sleeve 8 and two parallel-crank mechanisms 7, the two ends of lower link 10 are connected with described sliding sleeve 8, front roll bar 7-2 by bearing pin respectively, constitute second group of plane slider mechanism.What above-mentioned two groups of plane slider mechanism were used is same sliding sleeve 8.

Described front wheel carrier 4 comprises connecting lever 4-1 and rotation seat 4-2, and connecting lever 4-1 is fixedlyed connected with preceding bar 1 upper end, and connecting lever 4-1 has a turnover, and the bottom is amesiality, makes front-wheel be in center position.The front end of connecting lever 4-1 is provided with the hole, and described rotation seat 4-2 inserts in the hole of connecting lever 4-1 the revolute pair that connects and composes with connecting lever, is fixed with front axle 4-3 on the side of rotation seat 4-2, and front-wheel 5 is enclosed within on the front axle 4-3 by centre bore.

Vertical cross-section by push rod 3, king-rod 2 and 1 three bar center lines of preceding bar is the vehicle body main surface, and the wheel face of two trailing wheels 6 is parallel with the vehicle body main surface.

When folding, bar 1 is motionless before keeping, and rotation seat 4-2 rotates 90 degree, drives front-wheel 5 and rotates 90 degree, makes its wheel face and the vertical (see figure 5) of vehicle body main surface.Push rod 3 is rotated (see figure 5) around bearing pin 3-1, simultaneously, king-rod 2 is rotated around bearing pin 2-1, when king-rod 2 rotates, sliding sleeve 8 is moved forward on king-rod 2 by last connecting rod 9.And two lower links 10 that are advanced through of sliding sleeve 8 drive two parallel-crank mechanisms, 7 deformation swing, and then make two trailing wheels press close to vehicle body main body both sides.Owing to be that same sliding sleeve drives 7 actions of two parallel-crank mechanisms, so the vehicle body main body open with the folding movement process in, open when having realized two trailing wheels with folding, two trailing wheels open with folding process in remain parallelly with the vehicle body main surface, folding back car load is an approximate cube.

Claims

1. a three-wheel golf cart has vehicle body main body, front-wheel (5) and two trailing wheels (6), is fixed with forecourt bag bracket (11) and back ball bag bracket (12) on the vehicle body main body; It is characterized in that: the vehicle body main body comprises push rod (3), king-rod (2) and preceding bar (1), described push rod (3) is hinged with king-rod (2), king-rod (2) is hinged with preceding bar (1), on king-rod (2), be provided with the parallel-crank mechanism (7) of two symmetries, described parallel-crank mechanism (7) comprises fixture (7-1), the angle-shaped piece (7-4) that constitutes by vertical panel (7-4-1) and swash plate (7-4-2) and be hinged on fixture (7-1) with swash plate (7-4-2) between front roll bar (7-2) and back fork (7-3), described fixture (7-1) is fixed on the king-rod (2) and two fixtures (7-1) have the angle (α) of spending less than 120, be fixed with hind axle (7-5) on the vertical panel (7-4-1) of described angle-shaped piece (7-4), described two trailing wheels (6) are enclosed within respectively on described two hind axles (7-5) by centre bore separately; Described king-rod (1) is provided with sliding sleeve (8), be hinged with connecting rod on (9) between sliding sleeve (8) and the push rod (3), respectively be hinged with lower link (10) between the front roll bar (7-2) of sliding sleeve (8) and two parallel-crank mechanisms (7), two lower links (10) symmetry; The front end of preceding bar (1) is fixed with front wheel carrier (4), described front-wheel (5) is connected with front wheel carrier (4), described front wheel carrier (4) comprises connecting lever (4-1) and rotation seat (4-2), the front end of connecting lever (4-1) is provided with the hole, described rotation seat (4-2) inserts in the hole of connecting lever (4-1) revolute pair that connects and composes with connecting lever, be fixed with front axle (4-3) on the side of rotation seat (4-2), front-wheel (5) is enclosed within on the front axle (4-3) by centre bore.