CN2279286Y

CN2279286Y - Hand cart providing for travelling up or down stairs

Info

Publication number: CN2279286Y
Application number: CN 96245469
Authority: CN
Inventors: 李铁根
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-11-01
Filing date: 1996-11-01
Publication date: 1998-04-22
Anticipated expiration: 2006-11-01

Abstract

The utility model relates to a hand buggy, particularly a buggy mainly used for conveying articles upstairs and downstairs. The utility model comprises a buggy plate, a front wheel frame, a draw rod, a bottom axle wheel and an axle leading wheel; a front and a rear wheels are planet wheels with more than three satellite wheels which are distributed in an equiangular way; the rear wheel is pivoted on a steering rod, and is movably connected with the front wheel frame by a connecting rod. The utility model has the advantages of simple structure, flexible and free push, pull and steering, smooth and laborsaving interfloor operation, convenient use, etc.

Description

Stairs clambing handcart

The utility model relates to a kind of hand buggy, especially is mainly used in the dolly of upper and lower building carrying article.

Often need the carrying article in daily life.For laborsaving, people use dolly.General dolly uses on the level land only, can not stair activity, obstacle detouring hinders.Chinese patent CN2224138Y discloses a kind of hand buggy of going upstairs, its by a plurality of wheels arranged side by side and overlapping take turns with and wheel, overlapping form constitute running gear, improved ability by stair.But use still inconvenient, turn to dumb, time-consuming, effort.

The purpose of this utility model provides a kind of easy to use, and is laborsaving, turns to stairs clambing handcart flexibly.

For achieving the above object, the utility model comprises sweep, front wheel carrier, pull bar, flexibly connect between front wheel carrier and the sweep, bridge wheel carrier and access bridge wheel carrier at the bottom of sweep and front wheel carrier below have two respectively, end bridge wheel and access bridge wheel are biserial respectively and are staggered on end bridge wheel carrier and access bridge wheel carrier, front wheel carrier and sweep below are respectively equipped with front-wheel and trailing wheel, front and rear wheel is the satellite gear with the satellite wheel that is the isogonism distribution more than three, for example tri-star wheel or four stars wheel promptly has three or four wheels that satellite is taken turns.Trailing wheel is articulated in the deflecting bar head end, deflecting bar middle part is connected with pin with hind axle on being fixed on end bridge wheel carrier, be connected with connecting rod between deflecting bar other end and the front wheel carrier, when car turns round, front wheel carrier rotates and drives trailing wheel by connecting rod and turns to simultaneously rapidly, has solved the problem that the narrow steering angle disaster of corridor is turned.Be connected with the front tension bar seat on the front wheel carrier, pull bar passes and can be fixed in the front tension bar seat.Also can be provided with the post-tensioning pole socket under the sweep, pull bar can not pass the front tension bar seat and snap in the post-tensioning pole socket when car did not use, and saved floor area.Rod head is provided with handle, also is provided with hook on the handle.Handle can be according to human body height adjustment length, and hook can hang on the bicycle rack, by bicycle traction walking.

The utlity model has simple in structurely, push-and-pull turns to flexibly, goes up downstairs steadily, and is laborsaving, uses advantages such as very convenient.

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the right elevation of Fig. 2.

As shown in the figure, the utility model comprises sweep 2, front wheel carrier 1, pull bar 10, the straight pin of front wheel carrier passes sweep and blocks with back-up ring 14, make between front wheel carrier and the sweep and flexibly connect, bridge wheel carrier 7 and access bridge wheel carrier 15 at the bottom of sweep and front wheel carrier below have two respectively, end bridge wheel 16 and access bridge wheel 17 are biserial respectively and are staggered on end bridge wheel carrier and access bridge wheel carrier, front wheel carrier and sweep below are respectively equipped with front-wheel 3 and trailing wheel 4, before, trailing wheel is respectively tri-star wheel and four stars wheel, trailing wheel is articulated in deflecting bar 5 head end, deflecting bar middle part is connected with hind axle 6 usefulness pins on being fixed on end bridge wheel carrier, be connected with connecting rod 8 between deflecting bar and the front wheel carrier, be connected with front tension bar seat 9 on the front wheel carrier, the front tension bar seat is two pipes that intersect vertically, one pipe is enclosed within on the axle that is fixed in front wheel carrier, is installed with pull bar in another pipe and can pins pull bar.The sweep lower rear is provided with post-tensioning pole socket 11, and pull bar can pass the front tension bar seat and snap in the post-tensioning pole socket.Adopt the connecting mode between similar bayonet-coupled bulb head and the lamp socket between pull bar and the forward and backward draw-bar seat, radially be provided with the similar bayonet-coupled bulb head of a straight pin on the pull bar, draw-bar seat is provided with the similar lamp socket of ＂ L ＂ shape bayonet socket, can snap in easily between pull bar and the draw-bar seat like this to pin and withdraw from.Rod head is a handle 12, also is provided with hook 13 on the handle.

Claims

1, a kind of stairs clambing handcart, comprise sweep, front wheel carrier, pull bar, flexibly connect between front wheel carrier and the sweep, bridge wheel carrier and access bridge wheel carrier at the bottom of sweep and front wheel carrier below have two respectively, end bridge wheel and access bridge wheel are biserial respectively and are staggered on end bridge wheel carrier and access bridge wheel carrier, it is characterized in that: front wheel carrier (1) and sweep (2) below are respectively equipped with front-wheel (3) and trailing wheel (4), and front and rear wheel is the satellite gear with the satellite wheel that is the isogonism distribution more than three; Trailing wheel is articulated on deflecting bar (5) head end, and deflecting bar middle part is connected with pin with hind axle (6) on being fixed on end bridge wheel carrier, is connected with connecting rod (8) between deflecting bar other end and the front wheel carrier; Be connected with front tension bar seat (9) on the front wheel carrier, pull bar (10) passes the front tension bar seat.

2, stairs clambing handcart according to claim 1 is characterized in that: front and rear wheel (3,4) is tri-star wheel or four stars wheel.

3, stairs clambing handcart according to claim 1 is characterized in that: sweep (2) also has a post-tensioning pole socket (11) down, and pull bar (10) can pass front tension bar seat (9) and snap in the post-tensioning pole socket.

4, stairs clambing handcart according to claim 1 is characterized in that: pull bar (10) head is provided with handle (12), also is provided with hook (13) on the handle.