CN203472914U

CN203472914U - Foldable-type trolley

Info

Publication number: CN203472914U
Application number: CN201320463790.8U
Authority: CN
Inventors: 谢醒东
Original assignee: NINGBO LIXIN TOUR PRODUCTS CO Ltd
Current assignee: NINGBO LIXIN TOUR PRODUCTS CO Ltd
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2014-03-12
Anticipated expiration: 2023-07-30

Abstract

The utility model discloses a foldable-type trolley which comprises a rectangular upper frame and a backwardly inclined U-shaped handrail tube, and is characterized by further comprising support tubes and an inclined U-shaped support frame, wherein two handrail tube arms of the handrail tube extend downwards to be respectively hinged to the corresponding side of the upper frame; the two support frame arms of the support frame extend upwards to be respectively hinged to the handrail tube arm on the corresponding side; the support tubes and the support frame arms are crossed and are hinged to the upper frame at the upper ends. The foldable-type trolley further comprises a front frame chassis and a back frame chassis which are arranged forwards and backwards at the bottom and hinged to each other; the two sides of the front part of the front chassis are hinged to the lower ends of the support frame arms of the support frame; the two sides of the back part of the back chassis are hinged to the lower ends of support tubes. The foldable-type trolley adopts a hinging structure as a whole, is convenient to fold, can be folded wholly by only exerting a force on the hinged positions as the front chassis and the back chassis are hinged to each other, and therefore has the advantages of simple structure, portability as a whole, very convenience in operation, relatively small size after being folded, and portability.

Description

A kind of foldable wheelbarrow

Technical field

The utility model relates to a kind of go-cart, especially a kind of folding go-cart.

Background technology

At present, supermarket, outdoor travel etc. need to be used hand barrow conventionally, and existing hand barrow is not folding mostly, has taken like this larger space, and it deposits and carry all inconvenient.

Also it is folding having some hand barrows, as the publication No. disclosed a kind of Foldable pushcart of Chinese patent application that is CN101850779A, comprise front frame, the back of the body frame, a pair of side frame and wheel, also comprise Dang Kuanghe bottom, top gear frame, when folding, need to top be kept off to frame by handle mentions to vertical state, then slowly put to front frame and junction, side frame bottom, by another handle, bottom being kept off to frame again rotates near to carrying on the back frame, minute side frame on both sides is rotated inwards, and front frame and the gathering of back of the body frame are tightly close together.

This foldable wheelbarrow, structure is comparatively complicated, and expansion and folding operation all have certain complexity and difficulties, use not very convenient.

Utility model content

Technical problem to be solved in the utility model is the problem for above-mentioned prior art, and a kind of foldable wheelbarrow is provided, simple in structure, folding convenient is light and handy, is easy to carry.

The utility model solves the problems of the technologies described above adopted technical scheme: a kind of foldable wheelbarrow, comprise rectangular upper ledge and the handrail tube of sweptback U-shaped, it is characterized in that, the carriage that also comprises the U-shaped of support tube and inclination, described handrail tube is hinged with described upper ledge respective side respectively to two handrail tube arms of downward-extension, two carriage arms of carriage extend upward rear hinged with the handrail tube arm of respective side respectively, and the arranged in a crossed manner and upper end of described support tube and carriage arm and upper ledge are hinged; The front and back that are also included in bottom arrange front chassis and the rear chassis of the shaped as frame being articulated and connected, and the carriage arm lower end of the front part sides of described front chassis and carriage is hinged, the both sides, rear portion of rear chassis and the lower hinge of support tube.

The end relative with rear chassis, described front chassis both sides has the first folded piece, and the end relative with front chassis, described rear chassis both sides has second folded piece hinged with the first folded piece, and thus, former and later two chassis are realized and being articulated and connected by folded piece.

Described front chassis and rear chassis are welded by square tube moulding heel wire netting, are formed for the chassis of storage.

The front end of described rear chassis is also connected to form framed structure by the hinged place of flexible connecting member and support tube and carriage, not extensible characteristic due to flexible connecting member, can be used as the inhibiting device that go-cart launches rear whole fold mechanism, guarantee the stable of framed structure, and involve chassis and make it to possess article load-carrying capacity.

Also comprise cardan wheel and roller, described cardan wheel is separately positioned on the front part sides below of carriage, and described roller is separately positioned on two end belows of support tube, can promote go-cart by handrail tube thus and move.

Also comprise flexible cloth, described flexible cloth is arranged between described upper ledge and front chassis, rear chassis and surrounds bicycle basket, can in bicycle basket, hold article.

Compared with prior art, the utility model has the advantage of: go-cart is whole is hinged structure, be convenient to fold, adopt the hinged mode in forward and backward chassis, only need can drive whole go-cart folding, simple in structure to the hinged place application of force, whole light, operation is very easy, and volume after folding is less, is easy to carry.

Accompanying drawing explanation

Fig. 1 is the structural representation of go-cart of the present utility model;

Fig. 2 is the folding process schematic diagram of go-cart of the present utility model;

Fig. 3 is the folded state schematic diagram of go-cart of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

Referring to Fig. 1, a kind of foldable wheelbarrow, comprises upper ledge 1, handrail tube 2, support tube 3 and carriage 4.

Upper ledge 1 is rectangular, handrail tube 2 is sweptback U-shaped, handrail tube 2 is hinged with upper ledge 1 respective side respectively to two handrail tube arms 21 of downward-extension, carriage 4 is the U-shaped of inclination equally, its angle of inclination is identical with handrail tube 2, hinged with handrail tube arm 21 ends of handrail tube 2 respective side respectively endways after two carriage arms 41 extend upward.Support tube 3 is arranged in a crossed manner with the arm of carriage 4, and hinged at infall, and the upper end of support tube 3 and upper ledge 1 are hinged.

Front chassis 5 and 6, two chassis of rear chassis of being also included in the front and back setting of bottom become shaped as frame heel wire netting to be welded by square tube.The end relative with rear chassis 6, front chassis 5 both sides is welded with the first folded piece 51, the end relative with front chassis 5, rear chassis 6 both sides is welded with the second folded piece 61, two folded pieces are the aspect of extending at fore-and-aft direction and parallel to each other, two folded pieces are articulated and connected, and are provided with packing ring 7 between the two.Carriage arm 41 lower ends of the front part sides of front chassis 5 and carriage 4 are hinged, the both sides, rear portion of rear chassis 6 and the lower hinge of support tube 3.The front end of rear chassis 6 can also pass through flexible connecting member 62, as rope, band, chain etc., is connected with the hinged place of carriage 4 with support tube 3, thereby forms framed structure.The front part sides below of carriage 4 is provided with cardan wheel 8, and two end belows of support tube 3, is respectively equipped with roller 9, between two of homonymy rollers 9, is not provided with synchronous connecting rod 91, thus, can promote go-cart and move.

Flexible cloth can be arranged between upper ledge 1 and front chassis 5, rear chassis 6, and surrounds bicycle basket, thereby transports for placing articles.

In the time of need to taking in go-cart, referring to Fig. 2, arrow is the direction of the application of force, can by pin, upwards play two chassis are upwards rotated in junction in the junction between former and later two chassis, relatively folding, because whole go-cart is for being articulated and connected, now upper ledge 1 rotates along the anticlockwise direction of Fig. 2, and drive handrail tube 2 hinged place relative and carriage 4 to rotate counterclockwise and press down, finally drive support tube 3 and carriage 4 also in its hinged place, to relatively rotate folding.Referring to Fig. 3, be the state of go-cart of the present utility model after folding, small volume, takes in and carries all very convenient.

The foregoing is only preferred implementation of the present utility model; it should be pointed out that for the ordinary skill in the art, do not departing under principle prerequisite of the present utility model; can also make various deformation and improvement, this also should be considered as protection domain of the present utility model.

Claims

1. a foldable wheelbarrow, the handrail tube (2) that comprises rectangular upper ledge (1) and sweptback U-shaped, it is characterized in that, the carriage (4) of the U-shaped that also comprises support tube (3) and tilt, described handrail tube (2) is hinged with described upper ledge (1) respective side respectively to two handrail tube arms (21) of downward-extension, two carriage arms (41) of carriage (4) extend upward rear hinged with the handrail tube arm (21) of respective side respectively, and the arranged in a crossed manner and upper end of described support tube (3) and carriage arm (41) and upper ledge (1) are hinged;

The front and back that are also included in bottom arrange front chassis (5) and the rear chassis (6) of the shaped as frame being articulated and connected, carriage arm (41) lower end of the front part sides of described front chassis (5) and carriage (4) is hinged, the lower hinge of the both sides, rear portion of rear chassis (6) and support tube (3).

2. foldable wheelbarrow as claimed in claim 1, it is characterized in that, the end relative with rear chassis (6), described front chassis (5) both sides has the first folded piece (51), and the end relative with front chassis (5), described rear chassis (6) both sides has second folded piece (61) hinged with the first folded piece (51).

3. foldable wheelbarrow as claimed in claim 2, is characterized in that, described front chassis (5) and rear chassis (6) are welded by square tube moulding heel wire netting.

4. the foldable wheelbarrow as described in any one in claim 1-3, is characterized in that, the front end of described rear chassis (6) is also connected to form framed structure by flexible connecting member (62) and the hinged place of support tube (3) and carriage (4).

5. the foldable wheelbarrow as described in any one in claim 1-3, it is characterized in that, also comprise cardan wheel (8) and roller (9), described cardan wheel (8) is separately positioned on the front part sides below of carriage (4), and described roller (9) is separately positioned on two end belows of support tube (3).

6. the foldable wheelbarrow as described in any one in claim 1-3, is characterized in that, also comprises flexible cloth, and described flexible cloth is arranged between described upper ledge (1) and front chassis (5), rear chassis (6) and surrounds bicycle basket.