CN201268323Y

CN201268323Y - Foldable barrow

Info

Publication number: CN201268323Y
Application number: CNU2008200803611U
Authority: CN
Inventors: 张健
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-30
Filing date: 2008-04-30
Publication date: 2009-07-08
Anticipated expiration: 2018-04-30

Abstract

The utility model relates to a folding cart which comprises a support body and a base capable of being folded towards the support body direction, wherein wheels are arranged on the base, the support body comprises at least two mutually parallel pull rods capable of longitudinally stretching, a folding connecting rod is also arranged between the pull rods of the support body, and a pivot is arranged at the folding part of the connecting rod. The utility model has the advantages that the cart can be folded into a small size with reduced length and width so as to occupy small space and be portable, and the support body and the base can adopt hollow structures to have light weight; after the cart is extended, supports exist between the base and the support body and between the folding cart and the pull rods so as to stabilize the structure, and a base support is arranged at the lower part of the base so that the extended cart can keep stable without turnover.

Description

A kind of Collapsible cart

Technical field

The utility model relates to a kind of hand barrow, particularly relate to a kind of simple in structure, be easy to transport the Collapsible cart that carries.

Background technology

In the current prior art, go-cart comprises two side stands and is used to connect the tranverse connecting rod of two side stands, bottom bracket, be arranged at the wheel on the bottom bracket, go-cart can be folding with instant packed and carry at above-below direction, but this go-cart can't be laterally folded, and horizontal size does not change before and after car load is folding, width is bigger than normal, is unfavorable for transporting and carrying.

The utility model content

Technical problem to be solved in the utility model is, overcome the defective of above-mentioned prior art and provide a kind of simple in structure, volume after folding obviously diminishes, be easy to transport the Collapsible cart that carries.

For achieving the above object, the utility model is taked following design plan:

A kind of Collapsible cart of the present utility model, comprise support body and can be to the folding base of support body direction, base is provided with wheel, but described support body comprises the pull bar of at least two longitudinal extensions that are parallel to each other, between the pull bar of described support body, also be provided with collapsible pipe link, be provided with pivot in the burst of described pipe link.

Preferably, described base also comprises at least two base supports that are parallel to each other, and also is provided with collapsible pipe link between the described base support, and the burst of pipe link is provided with pivot.Further, the top of described support body is provided with the folded pipe link of fold-down, and the folded pipe link of described fold-down is the handle of hand barrow.And described handle below also is provided with at least two pipe links, and is connected by pivot link between the pivot of adjacent pipe link.

Preferably, described base also is provided with at least two pipe links, and is connected by pivot link between the pivot of adjacent pipe link.

In addition, on described pivot, be provided with the buckle switch.Also be provided with return springs between described pipe link and support body and/or the base.Bottom at described support body also is provided with the rope bayonet unit.End at described base is provided with base support, is connected by hinge structure between this base support and the base.

Because it is laterally folded that Collapsible cart of the present utility model can be undertaken by the pivot structure of collapsible pipe link, therefore make to the utlity model has following advantage:

1) can be folded into the very structure of small size, length and width all diminish, and it is little to take up room, and is easy to carry;

2) support body and base can adopt hollow structure, and be in light weight;

3) after hand barrow is opened, between base and the support body, upholder is arranged all between the pull bar of support body, structure is firm;

4) base support is arranged at the base bottom, and hand barrow is opened when placing, and can not topple over by held stationary.

Description of drawings

Fig. 1 is a Collapsible cart of the present utility model constructional drawing when launching;

Fig. 2 is that Collapsible cart of the present utility model has folded scheme drawing fully;

Fig. 3 is the pivot structure enlarged drawing on the handle pipe link;

Fig. 4 is the pivot structure enlarged drawing on support body and/or the base.

The specific embodiment

Referring to Fig. 1～Fig. 4, the preferred embodiment of a kind of Collapsible cart of the utility model shown in it, comprise support body 1 and can be to the folding base 2 of support body direction, when needs are used the hand barrow bearing article, base 2 separated with support body 1 open, when need not use hand barrow, that base 2 is folding to the direction of support body 1, just can pack up hand barrow, this folding mode is conspicuous to those skilled in the art.Preferably, base 2 is provided with wheel 20, in this preferred embodiment, but described support body 1 comprises the pull bar 3 of at least two longitudinal extensions that are parallel to each other, the stretching structure of pull bar 3 also is that those skilled in the art are known, can realize at least twice stretching, in the utility model, between the pull bar 3 of described support body 1, also be provided with collapsible pipe link 4, burst at described pipe link 4 is provided with pivot 5, as shown in Fig. 3 and Fig. 4, pipe link 4 is divided into two parts by pivot 5, be rotationally connected mutually by pivot 5 between the two-part pipe link 4, preferably, two parts pipe link 4 that links to each other by pivot 5 is all to same direction folding retractable, and on described pivot 5, be provided with buckle switch 5, when pipe link 4 was stretched out to the horizontal cross bar structure fully, can be fixed by buckle switch 7 was horizontal state, thereby further provided steadiness for support body 1; Also can when pipe link 4 folding contractions, pipe link 4 be fixed as folding state by buckle switch 7.Pivot 5 of the present utility model can be various pivot structures of the prior art, for example, junction between two parts pipe link 4 is coaxial rotating structure or is provided with pitch wheel in pivot 5 inside that this knows the one of ordinary skilled in the art.In this preferred embodiment, can only on support body 1, be provided with the pipe link 4 that links to each other by pivot 5.And this moment, base can include only rod shaped structure or other the easy frame structures that is connected with the two ends of support body 1.

Further referring to Fig. 2, preferably, described base 2 also comprises at least two base supports that are parallel to each other 6, also is provided with collapsible pipe link 4 between the described base support 6, and the burst of pipe link 4 is provided with pivot 5.Like this, support body 1 and base 2 just can be realized folding function (as shown in Figure 2) of shrinking simultaneously, can dwindle the size of hand barrow after folding greatly, are convenient to transport and carry.

Referring to Fig. 1 and Fig. 3, more preferably, the top of described support body 1 is provided with the folded pipe link of fold-down, and the folded pipe link of described fold-down is the handle 8 of hand barrow.Also be provided with buckle switch 7 on the handle 8.Preferably, simultaneously, described handle 8 belows also are provided with at least two pipe links 4, and are connected by pivot link 51 between the pivot 5 of adjacent pipe link 4 and are one, are convenient to synergy.Like this, when contraction is folding, handle 8 downwards (among the figure 1 in below) is folding, and two pipe links 4 at support body 1 middle part up or down (among Fig. 1 above or below) folding, in order to make two parts can not collide, can design, make handle 8 and be in two different planes with the pipe link 4 of below.This kind structure make support body 1 part of the present utility model shrink can be compact more after folding, taking up room can be littler, as shown in Figure 2.

Equally, as mentioned above, described base 2 also can be provided with at least two pipe links 4, and is connected by pivot link 51 between the pivot 5 of adjacent pipe link 4.Also can realize folding for base 2 like this, and, base can further be improved in the back by pivot 5 and pivot link 51 stability and fastness opened.

In addition, also be provided with return springs 9 between described pipe link 4 and support body 1 and/or the base 2.This return springs 9 can be spring or resilient metal member or other rubber-like structure and material, its can give pipe link 4 contraction, foldingly provide a power with directional tagging.

Preferably, also be provided with rope bayonet unit 10 in the bottom of described support body 1.When on the level land, using hand barrow, can or promote hand barrow by handle 8 direct pulls, just can deliver article, and when running into the step that longer distance is arranged (as Railway station, building stair), can be strapped in the upper end of rope (not shown) on the handle 8, and the lower end of rope is strapped on the described rope bayonet unit 10, so just, can hand barrow be communicated with its article that carry portable, simply together shoulders, when striding across obstacle or step, move hand barrow being put down pulling or promote hand barrow.Certainly, can be provided with on the described rope bayonet unit 10 and various rope be played the buckle structure of fixing or release action, this knows those skilled in the art.

In addition, be provided with base support 21, be connected by hinge structure between this base support 21 and the base 2 in the end of described base 2.So just, can make hand barrow base 2 can by form between support 21 and the wheel 20 one can horizontal positioned the plane, prevent from the article landing of being carried from further to have improved stability of the present utility model and practicality.

Obviously, those of ordinary skill in the art can constitute various types of folding simple and easy transport establishments or other foldable structures with a kind of Collapsible cart of the present utility model.

The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the utility model scope; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.

Claims

1, a kind of Collapsible cart, comprise support body (1) and can be to the folding base (2) of support body direction, base (2) is provided with wheel (20), it is characterized in that: described support body (1) but comprise the pull bar (3) of at least two longitudinal extensions that are parallel to each other, between the pull bar (3) of described support body (1), also be provided with collapsible pipe link (4), be provided with pivot (5) in the burst of described pipe link (4).

2, Collapsible cart according to claim 1, it is characterized in that: described base (2) also comprises at least two base supports that are parallel to each other (6), also be provided with collapsible pipe link (4) between the described base support (6), the burst of pipe link (4) is provided with pivot (5).

3, Collapsible cart according to claim 2 is characterized in that: the top of described support body (1) is provided with the folded pipe link of fold-down, and the folded pipe link of described fold-down is the handle (8) of hand barrow.

4, Collapsible cart according to claim 3 is characterized in that: described handle (8) below also is provided with at least two pipe links (4), and is connected by pivot link (51) between the pivot (5) of adjacent pipe link (4).

5, Collapsible cart according to claim 2 is characterized in that: described base (2) also is provided with at least two pipe links (4), and is connected by pivot link (51) between the pivot (5) of adjacent pipe link (4).

6, Collapsible cart according to claim 1 is characterized in that: be provided with buckle switch (7) on described pivot (5).

7, Collapsible cart according to claim 1 is characterized in that: also be provided with return springs (9) between described pipe link (4) and support body (1) and/or the base (2).

8, Collapsible cart according to claim 1 is characterized in that: also be provided with rope bayonet unit (10) in the bottom of described support body (1).

9, Collapsible cart according to claim 1 is characterized in that: be provided with base support (21) in the end of described base (2), be connected by hinge structure between this base support (21) and the base (2).