CN101758844B

CN101758844B - Novel handcart

Info

Publication number: CN101758844B
Application number: CN 201010120882
Authority: CN
Inventors: 刘加良
Original assignee: China Railway Construction Group Co Ltd
Current assignee: China Railway Construction Group Co Ltd
Priority date: 2010-03-09
Filing date: 2010-03-09
Publication date: 2013-09-18
Anticipated expiration: 2030-03-09
Also published as: CN101758844A

Abstract

The invention relates to a novel handcart which comprises a handcart body, a hopper and two handlebars, wherein one end of the handcart body is connected with the two handlebars, and the ends of the two handlebars are connected with a cross beam vertical to the two handlebars; the two handlebars are respectively fixed by the two ends of the cross beam; the other end of the handcart body is connected with an auxiliary board; the top surface of the handcart body is provided with the hopper, and the bottom surface thereof is connected with two groups of supporting seats by hinges at the positions close to the two handlebars; each supporting seat comprises a sleeve and a lifting seat which can be telescopic and are matched with each other; two rear wheels are arranged at one end of the bottomsurface of the handcart body close to the handlebars, and are fixed on the bottom surface of the handcart body by rear forks; and two front wheels are arranged on the bottom surface of the auxiliary board at the front end of the handcart body, and are fixed on the bottom surface of the handcart body by front forks. The novel handcart has the advantages that the handcart not only runs on steps of a building, but also on a flat road and a ramp, thus being a brand new whole integrating two running structures. Furthermore, the novel handcart is simple and flexible in operation as well as stable and safe in running.

Description

Novel handcart

Technical field

The present invention relates to a kind of novel handcart.

Background technology

As everyone knows, hand barrow has a lot of dissimilar structures, haply, hand barrow has a container that can use to receive and carry the article of some quantity, also having simultaneously at least one wheel is to bear container and allow container can move (for example step) from the teeth outwards, also has hand barrow also to have at least one car handle and can allow the user hold to use then strength promotion container and wheel to the place that will arrive.In addition, hand barrow also has one or more foot rest usually, and this foot rest can prop up hand barrow on the surface of certain, is supporting container and is allowing hand barrow observe fixing position from the teeth outwards.

Hand barrow is described as a kind of interior a kind of instrument of carrying the weight class goods of short range that is used for, one hand barrow partly is made up of hopper, vehicle frame, car body etc., hopper and vehicle frame are the skeleton that is welded into angle steel substantially, respectively side plate, base plate, front and back side plate are welded in respectively on the skeleton of hopper again, be welded with attaching parts on the vehicle frame, with threaded connectors such as bolt, nuts the shaft-cup plate is compressed axletree on vehicle frame, hopper and vehicle frame burn-on respectively hinge axis and hinge sleeve form hinged.Utilize the hand barrow of the above-mentioned type to transport article, not only laborsaving but also convenient, but lower and do not have to transport article with hand barrow under the situation of elevator and just take time and effort very much at floor, overthrow hand barrow through regular meeting because of discontinuity equalization.

Summary of the invention

The purpose of this invention is to provide a kind of novel handcart, both can travel on ladder step of building, can travel on level road, the ramp again, it is brand-new whole, simple to operate, flexible to be that two kinds of structures of travelling unite two into one, and operates steadily, safety.

The objective of the invention is to be achieved through the following technical solutions: a kind of novel handcart, comprise car body, hopper and two handlebars, one end of described car body connects two handlebars, the end of two handlebars is connected with and described two crossbeams that handlebar is vertical, each fixes a handle two ends of crossbeam, one end of crossbeam is provided with control button near the grip, the other end of described car body connects accessory plate, the end face of car body is provided with hopper, the bottom surface of car body respectively connects one group of bearing near two handlebar places by hinge, wherein hinge is provided with spring, connect by synchro between two groups of bearings, bearing is made of sleeve and elevating bracket scalable and that cooperatively interact, end near handlebar on the car body is provided with another accessory plate, the bottom surface of accessory plate has groove, the projection at groove and described bearing top cooperatively interacts, be connected by spring between bearing and the accessory plate, the car body bottom surface is provided with two trailing wheels near an end of handlebar, two trailing wheels are fixed in the bottom surface of car body by back vent, the side of car body is provided with the adjustment screw near the accessory plate place, the bottom surface of car body front end accessory plate is provided with two front-wheels, two front-wheels are fixed in the bottom surface of car body by front fork, two front-wheels connect by transverse axis, be provided with self-locking device near two front fork places on the transverse axis, self-locking device is by main wheel, flower wheel, adjusting knurl and column constitute, flower wheel and adjusting knurl are individually fixed in the both sides of main wheel, column is fixed in the side of front fork, the gear at column middle part and the gear of flower wheel edge are connected with a joggle, flower wheel is provided with bumping post, and bumping post is resisted against on the column.

Beneficial effect of the present invention is: both can travel on ladder step of building, can travel on level road, the ramp again, it is brand-new whole, simple to operate, flexible to be that two kinds of structures of travelling unite two into one, and operates steadily, safety.

Description of drawings

Below with reference to the accompanying drawings to the detailed description of the invention.

Fig. 1 is the structural representation of the described novel handcart of the embodiment of the invention; Fig. 2 gets structural representation when bearing is inapplicable in the described novel handcart of the embodiment of the invention; Fig. 3 is the connection structure scheme drawing of two front-wheels in the described novel handcart of the embodiment of the invention; Fig. 4 is the structural representation of bearing in the described novel handcart of the embodiment of the invention; Fig. 5 is the structure for amplifying scheme drawing at A place among Fig. 2.

Among the figure: 1, car body; 2, hopper; 3, handlebar; 4, crossbeam; 5, handle; 6, accessory plate; 7, hinge; 8, bearing; 9, sleeve; 10, elevating bracket; 11, front-wheel; 12, trailing wheel; 13, front fork; 14, back vent; 15, transverse axis; 16, self-locking device; 17, main wheel; 18, flower wheel; 19, adjusting knurl; 20, column; 21, bumping post; 22, control button; 23, accessory plate; 24, groove; 25, projection; 26, synchro; 27, adjust screw.

The specific embodiment

Shown in Fig. 1-5, the described a kind of novel handcart of the embodiment of the invention, comprise car body 1, hopper 2 and two handlebars 3, one end of described car body 1 connects two handlebars 3, the end of two handlebars 3 is connected with the crossbeam 4 vertical with described two handlebars 3, each fixes a handle 5 two ends of crossbeam 4, one end of crossbeam 4 is provided with control button 22 near handle 5 places, the other end of described car body 1 connects accessory plate 6, the end face of car body 1 is provided with hopper 2, the bottom surface of car body 1 respectively connects one group of bearing 8 near two handlebar 3 places by hinge 7, wherein hinge 7 is provided with spring, connect by synchro 26 between two groups of bearings 8, bearing 8 is made of sleeve 9 and elevating bracket 10 scalable and that cooperatively interact, end near handlebar 3 on the car body 1 is provided with another accessory plate 23, the bottom surface of accessory plate 23 has groove 24, groove 24 cooperatively interacts with the projection 25 at described bearing 8 tops, be connected by spring between bearing 8 and the accessory plate 23, car body 1 bottom surface is provided with two trailing wheels 12 near an end of handlebar 3, two trailing wheels 12 are fixed in the bottom surface of car body 1 by back vent 14, the side of car body 1 is provided with near accessory plate 6 places and adjusts screw 27, the bottom surface of car body 1 front end accessory plate 6 is provided with two front-wheels 11, two front-wheels 11 are fixed in the bottom surface of car body 1 by front fork 13, two front-wheels 11 connect by transverse axis 15, be provided with self-locking device 16 near two front fork 11 places on the transverse axis 15, self-locking device 16 is by main wheel 17, flower wheel 18, adjusting knurl 19 and column 20 constitute, flower wheel 18 and adjusting knurl 19 are individually fixed in the both sides of main wheel 17, column 20 is fixed in the side of front fork 13, the gear of the gear at column 20 middle parts and flower wheel 18 edges is connected with a joggle, flower wheel 18 is provided with bumping post 21, and bumping post 21 is resisted against on the column 20.

During concrete the use, travel on level road, ramp, car body 1 bottom surface is mentioned near two groups of bearings 8 at handlebar 3 places, groove 24 and projection 25 are cooperatively interacted, can prevent effectively that bearing 8 from dropping, regulate adjusting knurl 19, bumping post 21 is resisted against on the column 20, have only main wheel 17 and front-wheel 11 to rotate simultaneously, even retreat, the bumping post 21 on the flower wheel 18 can not be resisted against on the column 20; When stair travel, regulate adjusting knurl 19, make flower wheel 18, main wheel 17 and front-wheel 11 rotate simultaneously, press control button 22, put down two groups of bearings 8, according to the height of stair the height of bearing 8 is regulated, the bottom surface of bearing 8 is resisted against on the bottom surface, both hands are held handle 5, delay unloading downwards 3, make car body 1 front end lift the height that exceeds step, push ahead hand barrow again, front-wheel 11 is shifted onto on the step, at this moment, front-wheel 11 can rotate backward, and drives flower wheel 18 and rotates backward, bumping post 21 on the flower wheel 18 is resisted against on the column 20, make to rotate to stop, preventing and treating because of stressed making hand barrow to lower slider inadequately effectively, when the width of stair changes, can adjust screw 27 by rotating, regulate the distance between front-wheel 11 and the trailing wheel 12, reach the suitableeest distance, reduce the power that consumes in the process of going upstairs, simple to operate, flexibly, operate steadily, safety.

Claims

1. novel handcart, comprise car body (1), hopper (2) and two handlebars (3), it is characterized in that: an end of described car body (1) connects two handlebars (3), the end of two handlebars (3) is connected with the crossbeam (4) vertical with described two handlebars (3), each fixes a handle (5) two ends of crossbeam (4), one end of crossbeam (4) locates to be provided with control button (22) near handle (5), the other end of described car body (1) connects accessory plate (6), the end face of car body (1) is provided with hopper (2), car body (1) bottom surface is provided with two trailing wheels (12) near an end of described two handlebars (3), two trailing wheels (12) are fixed in the bottom surface of car body (1) by back vent (14), adjustment screw (27) is located to be provided with near accessory plate (6) in the side of car body (1), the bottom surface that car body (1) front end is positioned at accessory plate (6) is provided with two front-wheels (11), two front-wheels (11) are fixed in the bottom surface of car body (1) by front fork (13), two front-wheels (11) connect by transverse axis (15), transverse axis (15) is gone up near two front forks (11) and is located to be provided with self-locking device (16), described self-locking device (16) is by main wheel (17), flower wheel (18), adjusting knurl (19) and column (20) constitute, flower wheel (18) and adjusting knurl (19) are individually fixed in the both sides of main wheel (17), column (20) is fixed in the side of front fork (13), the gear at column (20) middle part and the gear of flower wheel (18) edge are connected with a joggle, flower wheel (18) is provided with bumping post (21), and bumping post (21) is resisted against on the column (20).

2. novel handcart according to claim 1, it is characterized in that: the bottom surface of described car body (1) is located respectively to connect one group of bearing (8) by hinge (7) near two handlebars (3), wherein hinge (7) is provided with spring, connect by synchro (26) between two groups of bearings (8), bearing (8) is made of sleeve (9) and elevating bracket (10) scalable and that cooperatively interact.

3. novel handcart according to claim 2, it is characterized in that: the end that car body (1) is gone up near handlebar (3) is provided with another accessory plate (23), the bottom surface of accessory plate (23) has groove (24), the projection (25) at groove (24) and described bearing (8) top cooperatively interacts, and is connected by described spring between bearing (8) and the accessory plate (23).