CN201272376Y

CN201272376Y - Barrow

Info

Publication number: CN201272376Y
Application number: CNU2008201886147U
Authority: CN
Inventors: 苏瑞芬
Original assignee: GUANGZHOU SV MACHINERY EQUIPMENT CO Ltd
Current assignee: Guangzhou Xinxin Daily Products Co., Ltd.
Priority date: 2008-08-14
Filing date: 2008-08-14
Publication date: 2009-07-15
Anticipated expiration: 2018-08-14

Abstract

The utility model provides a trolley, comprising a pushing handle, a goods carrier and a wheel base. The pushing handle is provided with two columnar pipe handrails which are parallel with each other; the goods carrier comprises a bearing frame and a supporting plate; two sides of the bearing frame are two parallel bearing rods; and the supporting plate is vertically connected at the tail end of the bearing frame. The utility model is characterized in that the tail ends of the handrails of the pushing handle are connected with the bearing rods of the goods carrier by pulleys; the central parts of the two handrails are respectively and movably connected with the head ends of the two bearing rods by a supporting rod; the cross beam of the head end of the bearing frame is provided with a fastener; the wheel base is provided with a pair of coaxial main wheels and a pair of auxiliary wheels, which are movably connected by two parallel telescopic rods; a connecting rod of two supporting seats of the auxiliary wheels and the central parts of the bearing rods are movably connected by two supporting rods; and the central part of the connecting rod of the supporting seats of the auxiliary wheels is provided with a fastener. The trolley has simple structure, convenient operation, use and storage and various using methods.

Description

A kind of hand barrow

Technical field

The utility model relates to the human powered vehicle field, is specifically related to a kind of hand barrow.

Background technology

Hand barrow usually is used for the station as a kind of handbarrow that carries easily, harbour, and carry luggage in places such as warehouse, goods.General hand barrow is designed to a handgrip portion more, the handgrip subordinate connects a luggage carrier, the ball wheel is installed under the luggage carrier, this trolley structure is simple, cheap practical, be used widely socially, but general-duty hand barrow existence effect is single, can not satisfies the problems such as demand of the different goods of carrying.For saving manpower more, be more convenient for the heavy article of carrying large, people design various novel improved hand barrows, but wherein certain structures is too complicated, needs more preparation process before the use, the productive costs height.

Summary of the invention

It is a kind of simple in structure that the purpose of this utility model is to provide, and uses and deposit conveniently, saves manpower, and multiple occupation mode can satisfy the needs of carrying different goods and the hand barrow that can be applied to various places.

The purpose of this utility model realizes by following scheme:

A kind of hand barrow, comprise handle, luggage carrier and wheel bases, handle has two stylostome handrails parallel to each other, luggage carrier comprises carrier and supporting plate, the carrier both sides are two parallel carrier bars, supporting plate is vertically connected on the tail end of carrier, it is characterized in that: described two handrail ends are movably connected in the carrier bar chute by pulley, at least be connected and fixed by two crossbeam pipes between two handrails, two handrails middle part respectively flexibly connects with two carrier bar head ends respectively by a strut bar, two carrier bars are having at least two crossbeam pipes that they are connected near leading section, wherein crossbeam foremost is provided with fastener, described wheel bases has a pair of coaxial main wheel and a pair of secondary wheel, main axletree is connected the carrier afterbody by supporting seat, main axletree flexibly connects by two parallel expansion links with secondary wheel supporting seat, at least pass through a crossbeam pipe captive joint between the two outer telescopic pipes of expansion link, two secondary wheels flexibly connect by wheel propclip and secondary wheel supporting seat respectively, the pipe link of secondary wheel two supporting seats flexibly connects by the middle part of two strut bars and two carrier bars, and secondary wheel supporting seat pipe link middle part is provided with fastener.

As optimization, described fastener has leader and at least one spacing bayonet socket.

As optimization, there is a U type pipe at described carrier middle part, and the two ends of U type pipe are connected on the supporting plate, and U type pipe two outsides at least respectively are connected with two carrier bars respectively by a crossbeam pipe.

The utility model can become several states by telescopic folding, is used for satisfying different operatings needs:

When hand barrow of the present utility model folds running condition or deposits, the spacing bayonet socket of the fastener on the carrier bar crossbeam is buckled on the crossbeam by the handrail stem, the restriction handrail slides, the spacing bayonet socket of fastener on the secondary wheel supporting seat pipe link is buckled on the crossbeam of carrier bar, restriction base expansion link shrinks, handle, luggage carrier and wheel bases three partially folded being in the same place, has only main wheel kiss the earth, like this can be more laborsaving when unfairness ground handling article, hand barrow erected deposit, have only main wheel and supporting plate kiss the earth, significantly reduced the hand barrow floor area.

Hand barrow of the present utility model is when launching to use:

1. only the fastener on the carrier bar crossbeam is unclamped, the handrail end slides into carrier bar head end portion, two handrail strut bar pull-ups, again the fastener on the carrier bar crossbeam is buckled in two handrails by on the terminal crossbeam, fixing handle, at this moment hand barrow handle and luggage carrier and wheel bases have certain angle, become a L type horizontal sliding running condition, some have the article of specific (special) requirements to adapt to carrying, the article that make progress as some frangible needs.

2. only the fastener on the secondary wheel supporting seat pipe link is unclamped, the expansion link of wheel bases shrinks, strut bar on the pipe link of secondary wheel supporting seat draws back, secondary wheel is put down, the fastener on the secondary wheel supporting seat pipe link is buckled on the crossbeam pipe of two outer telescopic pipes, fixedly expansion link is a contraction state again, and at this moment hand barrow handle and luggage carrier and wheel bases have certain angle, become a ∠ type cant running condition, can carry some heavy or large items more effortlessly.

The utility model is compared with public hand barrow, not only simple in structure, manipulate and deposit conveniently, and has multiple occupation mode, the needs of the different goods of carrying can be satisfied and various places can be applied to, and the central structure characteristics of hand barrow carrier, reduced material and the cost of making carrier especially, alleviated the weight of hand barrow.

Description of drawings

Fig. 1 is the folding back of the utility model structural representation;

Structural representation when Fig. 2 uses for the utility model horizontal sliding;

Structural representation when Fig. 3 uses for the utility model cant.

Among the figure, 1, handle, 2, luggage carrier, 3, wheel bases, 4, handrail, 5, carrier, 6, supporting plate, 7, carrier bar, 8, U type pipe, 9, crossbeam pipe, 10, pulley, 11, chute, 12, strut bar, 13, fastener, 14, main wheel, 15, secondary wheel, 16, main axletree, 17, supporting seat, 18, secondary wheel supporting seat, 19, expansion link, 20, outer telescopic pipe, 21, propclip, 22, the supporting seat pipe link, 23, handle, 24, bayonet socket.

The specific embodiment

Be further described below in conjunction with the rack construction of accompanying drawing the utility model combination machine:

As 1, Fig. 2, shown in Figure 3, a kind of hand barrow, comprise handle 1, luggage carrier 2 and wheel bases 3, handle 1 has two stylostome handrails 4 parallel to each other, luggage carrier 2 comprises carrier 5 and supporting plate 6, carrier 5 both sides are two parallel carrier bars 7, supporting plate 6 is vertically connected on the tail end of carrier 5, there is a U type pipe 8 at carrier 5 middle parts, the two ends of U type pipe 8 are connected on the supporting

plate

6,8 liang of outsides of U type pipe respectively are connected with two carrier bars 7 by a crossbeam pipe 9, two handrail 4 ends are movably connected in carrier bar 7 chutes 11 by pulley 10, be connected and fixed by three crossbeam pipes 9 between two handrails 4, two handrails, 4 middle parts respectively flexibly connect with two carrier bars, 7 head ends respectively by a strut bar 12, two carrier bars 7 are having two crossbeam pipes 9 that they are connected near leading section, wherein crossbeam 9 foremost is provided with fastener 13, wheel bases 3 has a pair of coaxial main wheel 14 and a pair of secondary wheel 15, main axletree 16 is connected carrier 5 afterbodys by supporting seat 17, main axletree 16 flexibly connects by two parallel expansion links 19 with secondary wheel supporting seat 18, pass through three crossbeam pipe 9 captive joints between the two outer telescopic pipes 20 of expansion link 19, two secondary wheels 15 flexibly connect by wheel propclip 21 and secondary wheel supporting seat 18 respectively, the pipe link 22 of secondary wheel two supporting seats 18 flexibly connects by the middle part of two strut bars 12 and two carrier bars 7, secondary wheel supporting seat pipe link 22 middle parts are provided with fastener 13, and fastener 13 is provided with leader 23 and two spacing bayonet sockets 24.

As shown in Figure 1, when hand barrow folds running condition or deposits, fastener 13 on carrier bar 7 crossbeams 9 is buckled on the crossbeam 9 by handrail 4 stems, and restriction handrail 4 slides, and the fastener 13 on the secondary wheel supporting seat pipe link 22 is buckled on the crossbeam 9 of carrier bar 7, restriction base 3 expansion links 19 shrink, handle 1, luggage carrier 2 and wheel bases 3 three partially folded being in the same place have only main wheel 14 kiss the earths, hand barrow erected deposit, then have only main wheel 14 and supporting plate 6 kiss the earths.

Hand barrow of the present utility model is when launching to use:

As shown in Figure 2, fastener 13 on carrier bar 7 crossbeams 9 is unclamped, handrail 4 ends slide into carrier bar 7 head end portions, 12 pull-ups of two handrail strut bars, again the fastener 13 on carrier bar 7 crossbeams 9 is buckled in two handrails 4 by on the terminal crossbeam 9, fixedly handle 1, and at this moment hand barrow becomes a L type horizontal sliding running condition.

As shown in Figure 3, fastener 13 on the secondary wheel supporting seat pipe link 22 is unclamped, the expansion link 19 of wheel bases 3 shrinks, strut bar 12 on the pipe link 22 of secondary wheel supporting seat 18 draws back, secondary wheel 15 is put down, the fastener 13 on the secondary wheel supporting seat pipe link 22 is buckled on the crossbeam pipe 9 of two outer telescopic pipes 20, fixedly expansion link 19 is a contraction state again, and at this moment hand barrow becomes one " ∠ " type cant running condition.

Claims

1. hand barrow, comprise handle, luggage carrier and wheel bases, handle has two stylostome handrails parallel to each other, luggage carrier comprises carrier and supporting plate, the carrier both sides are two parallel carrier bars, supporting plate is vertically connected on the tail end of carrier, it is characterized in that: described two handrail ends are movably connected in the carrier bar chute by pulley, at least be connected and fixed by two crossbeam pipes between two handrails, the middle part of two handrails respectively flexibly connects with two carrier bar head ends respectively by a strut bar, two carrier bars are having at least two crossbeam pipes that they are connected near leading section, wherein crossbeam foremost is provided with fastener, described wheel bases has a pair of coaxial main wheel and a pair of secondary wheel, main axletree is connected the carrier afterbody by supporting seat, main axletree flexibly connects by two parallel expansion links with secondary wheel supporting seat, at least pass through a crossbeam pipe captive joint between the two outer telescopic pipes of expansion link, two secondary wheels flexibly connect by wheel propclip and secondary wheel supporting seat respectively, the pipe link of secondary wheel two supporting seats flexibly connects by the middle part of two strut bars and two carrier bars, and secondary wheel supporting seat pipe link middle part is provided with fastener.

2. a kind of hand barrow according to claim 1 is characterized in that: described fastener has leader and at least one spacing bayonet socket.

3. a kind of hand barrow according to claim 1 is characterized in that: there is a U type pipe at described carrier middle part, and the two ends of U type pipe are connected on the supporting plate, and U type pipe two outsides at least respectively are connected with two carrier bars respectively by a crossbeam pipe.