CN2470213Y - Collapsible hand cart - Google Patents

Abstract

The utility model relates to a foldable trolley, comprising an upper syphon, a lower siphon, an upper beam, a lower transverse tubule, a frame body, bended arms, a wheel frame, a wheel, a connecting rod, a bucket, a limiting block and a positioning block. The bucket is arranged at one side of the frame body and is hinged at the bottom of the two bended arms of the frame body; the wheel is moveably connected at the lower parts of the bended arms at the other side of the frame body; the bucket is provided with a fixed gear wheel in the vertical direction; the wheel is provided with a gear wheel in the horizontal direction at the place near the lower parts of the bended arms; the two gear wheels mesh with each other and work together to fold or unfold the bucket and the wheel at the same time. The unfolding action is done by the upper bended arm and the lower bended arm which are pulled and controlled by the connecting rod. Simple in structure, the utility model is convenient to carry and convenient to use.

Description

A kind of Foldable pushcart

The utility model relates to a kind of hand barrow, especially a kind of Foldable pushcart.

Existing hand barrow all is made up of pushing hands, vehicle frame and wheel, and wheel is contained in below the vehicle frame, and pushing hands is contained in above the vehicle frame and is high together with people's waist, and structure is all fairly simple, and general volume is bigger, carries inconvenience.Some Foldable pushcart only is that pushing hands is folded in the vehicle frame, and its operation is not very convenient with carrying the same.

The purpose of this utility model is the problem at above-mentioned existence, and a kind of Foldable pushcart is provided.

The utility model is made up of last bend pipe, following bend pipe, entablatrance, lower transverse tubule, support body, curved boom, wheel carrier, wheel, connecting rod, car shovel, limiting stopper and locating piece.Car shovel two ends are articulated in support body two curved booms bottom, and car shovel two ends vertical direction respectively is provided with a fixed gear wheel, are that fulcrum is done 90 ° of rotations with support body two curved booms.Wheel is socketed in the curved boom lower end by wheel carrier, and respectively is provided with a gear in the horizontal direction, coincide with car teeth wheel, and when the car shovel rotated, the two gear driven wheels arm of going for a stroll rotated.A limiting stopper is set below wheel and the curved boom contact position, and the car shovel is provided with a locating piece below the two ends, opens when car shovels, and when the drive wheel was flared to mode of operation, limiting stopper contacted with locating piece and blocks mutually, and wheel can not and be worked to the both sides rotation.During installation, the car shovel is positioned at support body on one side, and wheel then is positioned at the support body another side.Last bend pipe and following bend pipe be arranged in parallel, wherein go up bend pipe movable and following bend pipe socket by joint, can be along the upper and lower slip of bend pipe down.Following bend pipe lower end is provided with a lower transverse tubule, the lower transverse tubule middle part is provided with a connecting rod, connecting rod is that small one and large one two pipe box connects and forms, tubule is inserted in the bassoon, scalable, tubule is terminal to be connected with car shovel middle part, when last bend pipe is upwards mentioned, can drive the car shovel by connecting rod and rotate along following bend pipe upward movement.In the middle of the cross sill of following bend pipe, be provided with a cover locking device, form by institutes such as spring, slide bar and buttons, the button both sides have the skewed slot of two symmetries, the pin of slide bar is embedded in the skewed slot, button is upward movement under the effect of spring, slide bar is released to the right left respectively, there is a projection slide bar and last bend pipe contact position, projection is inserted and is gone up in the cooresponding hole of bend pipe, and bend pipe can not upper and lowerly be slided, and only presses the button, the pin of slide bar springs in the skewed slot, projection is left the hole of bend pipe, the upper and lower slip of last bend pipe ability, thus can finish a series of action.The utility model will be further described below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of the utility model when folding.

Fig. 2 is the utility model disassemble side view of the state.

Among the figure, the 1st, last bend pipe, the 2nd, following bend pipe, the 3rd, entablatrance, the 4th, lower transverse tubule, the 5th, support body, the 6th, curved boom, the 7th, wheel carrier, the 8th, wheel, the 9th, connecting rod, the 10th, car shovel, the 11st, limiting stopper, the 12nd, locating piece, the 13rd, spring, the 14th, slide bar, the 15th, pin, the 16th, projection, the 17, the 18th, gear, the 19th, button.Car shovels curved boom 6 bottoms that 10 two ends are articulated in support body 5, and car shovels 10 two ends vertical direction and respectively is provided with a fixed gear wheel 17, and car shovel 10 can two curved booms, 6 bottoms be that fulcrum is done 90 ° of rotations.Wheel 8 is socketed in curved boom 6 lower ends by wheel carrier 7, and is provided with a gear 18 in the horizontal direction, shovels 10 gears 17 with car and coincide, when car shovel 10 rotates, because the rotation of two gears drives wheel 8 arm 6 rotations of going for a stroll.Wheel 8 is provided with a limiting stopper 11 below curved boom 6 contact positions, car shovels and a locating piece 12 is set below 10 two ends, when car shovel 10 opens, when driving wheel 8 and being flared to mode of operation, limiting stopper 11 contacts and blocks mutually with locating piece 12, and wheel 8 can not and be worked to the both sides rotation.During installation, car shovel 10 is positioned at support body 5 on one side, and wheel 8 then is positioned at support body 5 another sides.Last bend pipe 1 and following bend pipe 2 be arranged in parallel, wherein go up bend pipe 1 movable and following bend pipe 2 sockets by joint, can be along bend pipe 2 upper and lower slips down.Following bend pipe 2 lower ends are provided with a lower transverse tubule 4, lower transverse tubule 4 middle parts are provided with a connecting rod 9, connecting rod 9 is that small one and large one two pipe box connects and forms, tubule is inserted in the bassoon, scalable, connecting rod 9 ends shovel 10 middle parts with car and are connected, when last bend pipe 1 is upwards mentioned, can drive cars shovel 10 by connecting rod 9 and rotate along following bend pipe 2 upward movements.In the middle of the entablatrance 3 of following bend pipe 2, be provided with cover locking devices, by spring 13, institutes such as slide bar 14 and button 19 form, button 19 both sides have the skewed slot of two symmetries, the pin 15 of slide bar 14 is embedded in the skewed slot, button 19 is upward movement under the effect of spring 13, slide bar 14 is released to the right left respectively, slide bar 14 has a projection 16 with last bend pipe 1 contact position, projection 16 is inserted and is gone up in the bend pipe 1 cooresponding hole, bend pipe 1 can not be gone up, lower slider, only press the button 19, the pin 15 of slide bar 14 springs in the skewed slot, and projection 16 is left the hole of bend pipe 1, on last bend pipe 1 ability, lower slider, like this, press the button 19, when bend pipe 1 is upwards slided, driving car shovel 10 by connecting rod 9 rotates, car shovel 10 is by gear 17,18 mutual actions and wheel 8 is opened, limiting stopper 11 and locating piece 12 block mutually, and hand barrow can be in running order; Otherwise, press the button 19, will go up bend pipe 1 to lower slider, simultaneously car shovel 10 is folded back original position, then wheel 8 is folding simultaneously, and the utility model is simple in structure, and it is all very easy that operation is carried.

Claims (4)

1, a kind of Foldable pushcart, formed by last bend pipe, following bend pipe, entablatrance, lower transverse tubule, support body, curved boom, wheel carrier, wheel, connecting rod, car shovel, limiting stopper and locating piece, it is characterized in that the car shovel is positioned at support body one side and is articulated in support body two curved booms bottom, car shovel two ends are provided with a fixed gear wheel in vertical direction; The movable another side that is connected in support body curved boom lower end and is in support body of wheel, and respectively be provided with a gear in the horizontal direction, coincideing with said gear contacts; Last bend pipe is socketed in down on the bend pipe by joint is movable, and at the joint two ends lower transverse tubule is set, and the lower transverse tubule midway location is provided with a connecting rod and is connected with car shovel middle part.

2, Foldable pushcart according to claim 1, it is characterized in that being provided with a cover in the described bend pipe down forms latching device by institutes such as spring, slide bar and buttons, the button both sides have the skewed slot of two symmetries, and slide bar one end is provided with a pin, and the other end is provided with a projection.

3, Foldable pushcart according to claim 1 and 2 is characterized in that described connecting rod is to connect the telescopic pipe that forms by small one and large one two pipe box.

4, Foldable pushcart according to claim 1 is characterized in that respectively being provided with a locating piece below the described car shovel two ends, respectively is provided with a limiting stopper under wheel and the curved boom junction, and locating piece is corresponding with limiting stopper.

Images