CN220465524U - Electric flat folding trolley - Google Patents

Abstract

The utility model discloses an electric flat folding trolley, which comprises a trolley frame assembly and a driving mechanism, wherein the trolley frame assembly comprises a front frame, a rear frame, two symmetrical side frames and a bottom frame, and rollers are respectively arranged at the bottoms of the front frame and the rear frame; the bottom frame comprises two frames with one end riveted, and the other end of the frame is respectively riveted with the front frame and the rear frame; the side frame comprises two flat pipes and a folding piece, one end of each flat pipe is riveted with the upper end of the folding piece, the other end of each flat pipe is riveted with the upper ends of the front frame and the rear frame, and the lower end of each folding piece is riveted with the lower ends of the front frame and the rear frame; the driving mechanism is arranged on the frame assembly and is connected with two rollers of the rear frame. By utilizing electric driving, the manpower consumption in the process of carrying and moving is reduced, and the objects can be pushed and pulled more easily.

Description

Electric flat folding trolley

Technical Field

The utility model belongs to the technical field of trolleys, and particularly relates to an electric flat folding trolley.

Background

The handcart is a kind of vehicle which is pushed and pulled by manpower to carry, and is mainly applied to some automobiles and other motor vehicles to transport various articles in places where the automobiles cannot be reached. Some common trolleys cannot be folded to occupy a larger placing place when not in use, and some trolleys can be folded to be folded and stored when not in use, so that the occupied space of the trolleys can be reduced. As disclosed in the patent with publication number CN219172432U, a folding cart comprises a front frame assembly and a rear frame assembly which are arranged at intervals, wherein the front frame assembly and the rear frame assembly are connected through a chassis folding assembly; the side frame folding assembly is symmetrically arranged on two sides of the underframe folding assembly and comprises a scissor rod group, the upper sides of two ends of the scissor rod group are respectively connected with the front frame assembly and the rear frame assembly in a sliding manner, and the lower sides of two ends of the scissor rod group are respectively hinged with the front frame assembly and the rear frame assembly. The handcart can be folded and stored, is convenient to store when not used, but is pushed by manpower in the whole process of carrying articles, and consumes more manpower.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and provides an electric flat folding trolley.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the electric flat folding trolley comprises a trolley frame assembly and a driving mechanism, wherein the trolley frame assembly comprises a front frame, a rear frame, two symmetrical side frames and a bottom frame, and rollers are respectively arranged at the bottoms of the front frame and the rear frame; the bottom frame comprises two frames with one end riveted, and the other end of the frame is respectively riveted with the front frame and the rear frame; the side frame comprises two flat pipes and a folding piece, one end of each flat pipe is riveted with the upper end of the folding piece, the other end of each flat pipe is riveted with the upper ends of the front frame and the rear frame, and the lower end of each folding piece is riveted with the lower ends of the front frame and the rear frame; the driving mechanism is arranged on the frame assembly and is connected with two rollers of the rear frame.

Further, the side frames further comprise bottom pipes arranged at the lower parts of the bottom frames, and the lower ends of the middle parts of the two side frames are riveted through the bottom pipes.

Further, the folding piece consists of an even number of X-shaped cross pipes, and the upper ends and the lower ends of two adjacent X-shaped cross pipes are hinged; the hinging part of the two X-shaped cross pipes positioned at the center is riveted with the bottom pipe.

Further, the driving mechanism comprises a storage battery, a motor and a connecting shaft which are sequentially connected, and the connecting shaft is connected with two rollers of the rear frame.

Further, the front frame and the rear frame comprise two vertical pipes, a lower transverse pipe, two upper connecting seats and two lower connecting seats, the upper connecting seats and the lower connecting seats are respectively arranged at the upper end and the lower end of the vertical pipe, and the two ends of the lower transverse pipe are respectively riveted with the two lower connecting seats; the other ends of the two flat pipes in the side frames are respectively riveted with the upper connecting seats of the front frame and the rear frame, and the front end and the rear end of the bottom frame are respectively riveted with the lower connecting seats of the front frame and the rear frame.

Furthermore, the front frame also comprises an upper transverse tube, two ends of which are respectively riveted with the two upper connecting seats, and the storage battery is arranged between the upper transverse tube and a vertical tube.

Further, a roller is arranged at the bottom of the vertical pipe.

Still further, the back frame still includes keeps off frame and two connecting bands, the left and right sides of keeping off frame lower extreme is riveted with two lower connecting seats respectively, and the both ends of connecting band are connected with the riser upper end respectively the left and right sides of keeping off frame upper end.

Still further, keep off the frame and include two side tubes, two back violently manage, two upward fixing bases, two downward fixing bases and by the articulated crossing member that forms of two tubes, upward fixing base, downward fixing base are installed respectively to every side tube upper end, and downward fixing base is riveted with crossing member lower extreme portion, the lower connecting seat of back frame, crossing member upper end and back violently manage one end and articulate, back violently manage the other end and upward fixing base riveting.

Furthermore, the upper end of the side pipe is provided with a fixing piece, and the fixing piece is provided with a clamping groove matched with the vertical pipe.

Further, the novel front frame comprises a handle assembly, and the handle assembly is rotatably connected with the front frame.

By adopting the technical scheme of the utility model, the beneficial effects of the utility model are as follows: by utilizing electric driving, the manpower consumption in the process of carrying and moving is reduced, and the objects can be pushed and pulled more easily; the rear door is designed, so that the rear door can be used for carrying slender articles, the inclination angle of the articles in the vehicle is reduced, the contact area of the articles is increased by placing the rear frame upside down, and the carrying is more convenient and quicker; the frame assembly can be quickly folded and stored, so that the occupied area when the frame assembly is not used is reduced.

Drawings

FIG. 1 is a perspective view of a rear view angle of an electric flat folding cart;

FIG. 2 is a perspective view of a front view angle of an electric flat folding cart;

FIG. 3 is a schematic view of a side frame of an electric flat-fold cart;

FIG. 4 is a schematic view of the rear frame of an electric flat-fold cart;

fig. 5 is a split view of a cloth cover mounted on an electric flat folding cart.

In the figure: the front frame, the vertical pipe, the upper transverse pipe, the lower transverse pipe, the upper connecting seat, the storage battery, the 6 motor, the 17 connecting shaft, the lower connecting seat, the 2 rear frame, the 21 baffle frame, the 211 side pipe, the 212 rear transverse pipe, the 213 upper fixing seat, the 214 lower fixing seat, the 215 cross piece, the 22 connecting belt, the 23 fixing piece, the 231 clamping groove, the 3 side frame, the 31X cross pipe, the 32 hinging piece, the 33 flat pipe, the 34 bottom pipe, the 4 bottom frame, the 41 frame, the 5 roller, the 6 handle, the 61 handle, the 62 upper pipe, the 63 pull rod connecting piece, the 64 lower pipe, the 65 pipe joint, the 7 trailer cloth bag, the 71 rear side surface and the 72 installation part.

Detailed Description

The specific embodiments of the specific scheme of the utility model are further described with reference to the accompanying drawings, so that the technical scheme is clearer and more obvious.

As shown in fig. 1-5, an electric flat folding cart comprises a frame assembly and a driving mechanism, wherein the frame assembly comprises a front frame 1, a rear frame 2, two symmetrical side frames 3 and a bottom frame 4, and rollers 5 are respectively arranged at the bottoms of the front frame 1 and the rear frame 2. The bottom frame 4 shown therein comprises two frames 41 with one end riveted, and the other end of the frames 41 is respectively riveted with the front frame 1 and the rear frame 2; the side frame 3 comprises two flat pipes 33 and a folding piece, one end of each flat pipe 33 is riveted with the upper end of the folding piece, the other end is riveted with the upper end of the front frame 1 and the upper end of the rear frame 2, and the lower end of the folding piece is riveted with the lower end of the front frame 1 and the lower end of the rear frame 2; the driving mechanism is arranged on the frame assembly and connected with the two rollers 5 of the rear frame 2, and drives the two rollers 5 of the rear frame 2 to roll so as to provide power for the movement of the whole cart.

The side frames 3 further comprise bottom pipes 34 arranged at the lower parts of the bottom frames 4, and the lower ends of the middle parts of the two side frames 3 are riveted through the bottom pipes 34. The folding piece consists of an even number of X-shaped cross pipes 31, and the upper ends and the lower ends of two adjacent X-shaped cross pipes 31 are hinged; the hinge portions of the two X-cross tubes 31 located at the center are riveted with the bottom tube 34. Each X-cross tube 31 is riveted from two tubes. Because the underframe 42 adopts a crisscross fixed structure of the transverse pipes and the vertical pipes, folding and storage can be realized by only lifting the underframe 34 below the middle parts of the two underframes upwards during folding, the centers of the two frames 41 are driven to move upwards to be folded, the unfolding state is changed into the folding state, and the upward movement of the connection of the middle parts of the two X-shaped cross pipes is driven. The front frame 1 and the rear frame 2 are close to the center direction, and the side frames 3 are folded, so that the flat folding and storage of the cart are realized.

The driving mechanism comprises a storage battery 15, a motor 16 and a connecting shaft 17 which are sequentially connected, and the connecting shaft 17 is connected with the two rollers 5 of the rear frame 2.

The front frame 1 and the rear frame 2 comprise two vertical pipes 11, a lower transverse pipe 12, two upper connecting seats 14 and two lower connecting seats 15, wherein the upper end and the lower end of the vertical pipe 11 are respectively provided with the upper connecting seats 14 and the lower connecting seats 15, and the two ends of the lower transverse pipe 12 are respectively riveted with the two lower connecting seats 15; the other ends of the two flat pipes 33 in the side frame 3 are respectively riveted with the upper connecting seats 14 of the front frame 1 and the rear frame 2, and the front end and the rear end of the bottom frame 4 are respectively riveted with the lower connecting seats 18 of the front frame 1 and the rear frame 2.

The front frame 1 further comprises an upper transverse tube 12 with two ends respectively riveted with the two upper connecting seats 14, the storage battery 15 is fixedly arranged between the upper transverse tube 12 and the vertical tube 1, the storage battery 15 is electrically connected with the motor 16 through electric wires, and the electric wires are distributed along the outer side tubes of the vertical tube 1 and the bottom frame 4 from the position of the storage battery until being connected to the motor. The roller 5 of the present embodiment is arranged at the bottom of the riser 11.

The rear frame 2 further comprises a baffle frame 21 and two connecting bands 22, wherein the left side and the right side of the lower end of the baffle frame 21 are respectively riveted with the two lower connecting seats, and the two ends of each connecting band 22 are respectively connected with the upper end of the vertical pipe and the left side and the right side of the upper end of the baffle frame. An adjusting buckle can be arranged on the connecting belt 22, and the baffle rack 21 can be opened to the rear side at different angles relative to the vertical pipe 11 by adjusting the length of the connecting belt.

The baffle rack 21 comprises two side pipes 211, two rear transverse pipes 212, two upper fixing seats 213, two lower fixing seats 214 and a cross piece 212 formed by riveting the two pipes, wherein the upper end part of each side pipe 211 is respectively provided with the upper fixing seat 213 and the lower fixing seat 214, the lower fixing seat 214 is riveted with the lower end part of the cross piece 212 and the lower connecting seat of the rear frame 2, the upper end part of the cross piece 212 is hinged with one end of the rear transverse pipe 212, and the other end of the rear transverse pipe 212 is riveted with the upper fixing seat 213.

The upper end of the side pipe 211 is provided with a fixing piece 23, and the fixing piece 23 is provided with a clamping groove 231 matched with the vertical pipe 1. When the baffle rack 21 is turned to be parallel to the vertical pipe 11, namely, when the rear frame 1 is in a closed state, the vertical pipe 1 on the rear frame 2 is clamped into the clamping groove 231, and the upper end of the baffle rack 21 is fixed on the vertical pipe 1 through the fixing piece 23.

The hinge joint of the side frame 3 and the baffle frame 21 of the embodiment is realized by adopting a hinge joint 32, and the hinge joint 32 comprises a left connecting piece and a right connecting piece which are symmetrical in structure; the structure of the left connecting piece and the right connecting piece comprises a round riveting part and a square inserting part, the left connecting piece is riveted with the two riveting parts of the right connecting piece, and the inserting part is inserted into a corresponding pipe and fixed by fasteners such as screws. The two rivets of each hinge 32 are thus able to rotate relative to each other, thus enabling rotation between the corresponding two tubes.

The front frame 1 is also provided with a handle assembly 6, and the handle assembly 6 is rotatably connected with the front frame 1. Specifically, the front frame 1 is rotatably connected with two lower connecting seats 18, and the rotation direction is the front-back direction. The handle assembly 6 comprises a handle 61, an upper pipe 62, a pull rod connecting piece 63, two lower pipes 64 and two pipe joints 65, wherein the handle 61 and the pull rod connecting piece 63 are respectively arranged at two ends of the upper pipe 62, the upper pipe 62 is in sliding connection with the pull rod connecting piece 63, the upper ends of the two lower pipes 64 are riveted on the left side and the right side of the pull rod connecting piece 63, and the lower ends of the two lower pipes 64 are riveted with the front side surface of the lower connecting seat 18 through the pipe joints 65. When not in use, the upper tube 62 slides downwards to shorten the length of the handle assembly, and the whole handle assembly is rotationally attached to the front frame 1.

The rivets involved in this embodiment are all movable rivets, and the two rivets are rotatable.

The frame assembly is also provided with a trailer cloth bag 7, and four sides are respectively detachably connected with the front frame 1, the rear frame 2 and the two side frames 3. The rear side 71 of the trailer cloth bag 7 can be folded, and the upper edge of the rear side 71 is detachably connected with two rear transverse pipes 212 on the baffle frame 21. The trailer cloth bag 7 has no top surface, and the front side surface is fixed on the upper transverse tube 12 of the front frame by a turnover magic tape and the like. The side surface can be fixed without, or a plurality of fixing parts 72 can be arranged, the fixing parts on two sides are fixed on the flat tube 33 by using magic tapes, and the fixing part in the middle part is fixed at the hinging part in the side bracket 3 by using a mounting opening with a lower opening. Because the frame assembly comprises a plurality of tubular parts, the clearance is great between the parts, can place jumbo size article, but tiny article can not place, can break away from in the hand-towing vehicle removal in-process and drop out, consequently in order to be convenient for place tiny article, set up a detachable trailer sack 7 on the frame assembly, be convenient for later stage use dismantles the washing.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The electric flat folding cart is characterized by comprising a frame assembly and a driving mechanism, wherein the frame assembly comprises a front frame, a rear frame, two symmetrical side frames and a bottom frame, and rollers are respectively arranged at the bottoms of the front frame and the rear frame;

the bottom frame comprises two frames with one end riveted, and the other end of the frame is respectively riveted with the front frame and the rear frame;

the side frame comprises two flat pipes and a folding piece, one end of each flat pipe is riveted with the upper end of the folding piece, the other end of each flat pipe is riveted with the upper ends of the front frame and the rear frame, and the lower end of each folding piece is riveted with the lower ends of the front frame and the rear frame;

the driving mechanism is arranged on the frame assembly and is connected with two rollers of the rear frame.

2. The electric flat-folding cart according to claim 1, wherein the side frames further comprise bottom pipes arranged at the lower parts of the bottom frames, and the lower ends of the middle parts of the two side frames are riveted through the bottom pipes.

3. The electric flat-fold cart according to claim 2, wherein the folding member is composed of an even number of X-intersecting pipes, and upper and lower ends of two adjacent X-intersecting pipes are hinged; the hinging part of the two X-shaped cross pipes positioned at the center is riveted with the bottom pipe.

4. The electric flat-fold cart of any one of claims 1-3, wherein the drive mechanism comprises a battery, a motor, and a connecting shaft connected in sequence, the connecting shaft being connected with two rollers of the rear frame.

5. The electric flat-folding cart according to claim 4, wherein the front frame and the rear frame comprise two vertical pipes, a lower transverse pipe, two upper connecting seats and two lower connecting seats, the upper end and the lower end of the vertical pipe are respectively provided with the upper connecting seats and the lower connecting seats, and the two ends of the lower transverse pipe are respectively riveted with the two lower connecting seats;

the other ends of the two flat pipes in the side frames are respectively riveted with the upper connecting seats of the front frame and the rear frame, and the front end and the rear end of the bottom frame are respectively riveted with the lower connecting seats of the front frame and the rear frame.

6. The electric flat-folding cart according to claim 5, wherein the front frame further comprises an upper cross tube with two ends respectively riveted with two upper connection seats, and the storage battery is installed between the upper cross tube and a vertical tube;

or the bottom of the vertical pipe is provided with a roller.

7. The electric flat-folding cart according to claim 5, wherein the rear frame further comprises a baffle frame and two connecting belts, the left side and the right side of the lower end of the baffle frame are respectively riveted with the two lower connecting seats, and the two ends of the connecting belts are respectively connected with the upper end of the vertical pipe and the left side and the right side of the upper end of the baffle frame.

8. The electric flat folding cart according to claim 7, wherein the baffle frame comprises two side pipes, two rear transverse pipes, two upper fixing seats, two lower fixing seats and a cross piece formed by hinging the two pipes, the upper end part of each side pipe is respectively provided with the upper fixing seat and the lower fixing seat, the lower fixing seat is riveted with the lower end part of the cross piece and the lower connecting seat of the rear frame, the upper end part of the cross piece is hinged with one end of the rear transverse pipe, and the other end of the rear transverse pipe is riveted with the upper fixing seat.

9. The electric flat-folding cart according to claim 8, wherein the upper end of the side pipe is provided with a fixing member, and the fixing member is provided with a clamping groove adapted to the vertical pipe.

10. The electric flat-fold cart of claim 1, further comprising a handle assembly rotatably coupled to the front frame.