Simple gathering cart

Abstract

The utility model discloses a simple gathering cart which comprises four stand pipes, idler wheels arranged at the bottoms of the stand pipes, three side folding frames and a bottom folding frame, the upper ends of the left side and the right side of each side folding frame are movably connected with the two stand pipes respectively, the lower ends of the left side and the right side of each side folding frame are connected with the stand pipes in a sliding mode, and each side folding frame comprises at least one X-shaped cross pipe; a pull rod is movably riveted on the two vertical pipes on the front side; the bottom folding frame comprises a center base and four bottom pipes, the inner ends of the four bottom pipes are movably riveted to the four corners of the center base, and the other ends of the four bottom pipes are movably riveted to the lower ends of the four vertical pipes. According to the simple gathering trolley, gathering of the X-shaped cross pipes is achieved by slidably connecting the side folding frames and the rear folding frame, the bottom folding frame is folded and gathered along the center base, the whole trolley can be folded to reduce the size, the height of the folded whole trolley is not increased after sliding blocks slide downwards, and storage is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the cart, and particularly relates to a simple and easy cart. BACKGROUND

[0002] The handcart is mainly used for short-distance transportation of goods and is mainly used in places where motor vehicles are inconvenient to drive. A cart disclosed in Chinese Patent No. CN221251293U comprises a foldable chassis, mounting racks arranged on the front and rear sides of the chassis, foldable side frames arranged between the mounting racks, and an extension frame comprising side rods and support rods arranged between the side rods. Although this cart can fold the side frames in the length direction, the width of the mounting racks does not change, and the volume after folding is still large, which is not conducive to transportation and storage. SUMMARY

[0003] The utility model aims at the defects of the prior art and provides a simple and easy cart.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: a simple and easy cart, comprising four vertical pipes, rollers arranged at the bottom of the vertical pipes, three side folding frames, and a bottom folding frame, the upper ends of the left and right sides of the side folding frame are movably connected with two vertical pipes, and the lower ends are slidably connected with the vertical pipes, the side folding frame comprises at least one X-cross pipe; a pull rod is movably riveted on the two vertical pipes on the front side; the bottom folding frame comprises a center seat and four bottom pipes movably riveted at the four corners of the center seat, and the other ends of the four bottom pipes are movably riveted with the lower ends of the four vertical pipes.

[0005] Further, a rear folding frame is slidably connected between the two vertical pipes on the rear side, and the rear folding frame comprises two movably riveted connecting pipes.

[0006] Further, a rear folding frame is slidably connected between the two vertical pipes on the rear side, and the rear folding frame has the same structure as the side folding frame on the front side.

[0007] Further, the sliding connection is realized by a sliding block slidably mounted on the vertical pipe.

[0008] Further, the rollers are inserted and mounted at the bottom of the vertical pipe, the two rollers on the front side are universal wheels, and the two rollers on the rear side are directional wheels.

[0009] Further, the bottom folding frame further comprises a U-shaped piece with a front end sealed, the inner end of the bottom pipe is embedded in the U-shaped piece and abuts against the front end face, and then the bottom pipe and the U-shaped piece are installed in the lower groove of the center seat and are movably riveted by rivets.

[0010] Further, the utility model further comprises an upper fixed seat and a lower fixed seat, which are installed at the upper and lower ends of the vertical pipe respectively, the upper end of the side folding frame is movably riveted with the upper fixed seat, and the outer end of the bottom pipe is movably riveted with the lower fixed seat.

[0011] Further, the pull rod comprises two lower tubes, an upper tube, a pull rod base and a handle, the upper tube passes through the pull rod base and can move up and down, the top of the upper tube is provided with the handle, the upper ends of the two lower tubes are symmetrically movably riveted on the pull rod base and can rotate left and right, the lower ends of the two lower tubes are movably riveted on the lower ends of the two vertical tubes on the front side and can rotate forward and backward.

[0012] Further, the upper tube is a telescopic tube, the telescopic tube comprises an outer tube, an inner tube, a sleeve embedded on the top of the outer tube and a ball installed on the lower end of the inner tube, the inner tube is placed in the outer tube through the sleeve, in the stretched state, the ball extends out of a limiting hole one on the lower end of the outer tube and a limiting hole two on the upper end of the outer tube, and the elastic sheet on the sleeve is located outside the outer tube corresponding to the position of the ball.

[0013] Further, the two sides of the sleeve are provided with protruding parts which pass through the mounting holes on the two sides of the top of the outer tube.

[0014] Further, the telescopic tube further comprises an inner tube plug embedded in the inner tube from the lower end, the ball is placed in the inner tube plug and extends out of a limiting hole three on the inner tube plug, and the inner tube plug and the inner tube are fixed through a screw.

[0015] By adopting the technical scheme, the simple and easy gathering cart has the following beneficial effects:

[0016] The simple and easy gathering cart realizes the gathering of the X-shaped cross pipe through the sliding connection of the side folding frame and the rear folding frame, the bottom folding frame is folded and gathered along the center base, so that each surface of the whole cart can be folded and the volume is reduced, the sliding block is lowered, the height of the whole cart after folding is not increased, and the storage is more convenient.

[0017] According to the height requirements of different users, the length of the pull rod can be flexibly adjusted, the lower end ball in the inner tube extends out of the outer tube, the inner tube is completely extended out of the outer tube to increase the length of the pull rod and is fixed, the lower end ball is unlocked by pressing the elastic sheet, the inner tube is completely inserted into the outer tube to shorten the length of the pull rod after the inner tube and the outer tube are unlocked.

[0018] The pull rod is provided with universal wheels, the angle can be flexibly adjusted during transportation and driving, and the use requirements such as rapid steering in a narrow space are better met. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of one angle of the first simple and easy gathering cart;

[0020] Figure 2 is a perspective view of another angle of the first simple and easy gathering cart;

[0021] Figure 3 is a schematic view of a pull rod structure;

[0022] Figure 4is a perspective view of a bottom folding frame;

[0023] Figure 5 is a perspective view of one angle of a second simple gathering cart.

[0024] In the figure: 1 stand pipe, 11 upper fixed seat, 12 lower fixed seat, 2 roller, 3 side folding frame, 31 X cross pipe, 4 pull rod, 41 lower pipe, 42 upper pipe, 43 pull rod seat, 44 handle, 45 connecting seat, 51 outer pipe, 51a limiting hole two, 51b mounting hole, 52 inner pipe, 52a limiting hole one, 53 pipe sleeve, 53a protruding part, 53b elastic sheet, 53c limiting groove, 54 elastic ball, 55 inner pipe plug, limiting hole three 55a, 56 outer pipe plug, 6 rear folding frame, 61 connecting pipe, 7 sliding block, 8 bottom folding frame, 81 center seat, 82 bottom pipe, 83 U-shaped piece, 83a protruding part, 83b sealing side wall, 9 rear folding frame. DETAILED DESCRIPTION

[0025] The specific scheme of the present application is further described in combination with the drawings, so that the technical scheme is more clear and understandable.

[0026] Example 1

[0027] As Figures 1-4 shown in the simple gathering cart, including four stand pipes 1 and rollers 2 arranged at the bottom of the stand pipes 1, three side folding frames 3 and a bottom folding frame 4, the upper ends of the left and right sides of the side folding frame 3 are movably connected with two stand pipes 2 respectively, and the lower ends are slidingly connected with the stand pipes 2, the side folding frame 3 comprises at least one X cross pipe 31; a pull rod 4 is movably riveted on the front two stand pipes 2; the bottom folding frame comprises a center seat 81 and four bottom pipes 82 movably riveted at the four corners of the center seat, and the other ends of the four bottom pipes are movably riveted with the lower ends of the four stand pipes 1. The side folding frames on the left and right sides are made of three X cross pipes 31 movably riveted, and the side folding frame on the front side is made of two X cross pipes 31 movably riveted.

[0028] A rear folding frame 6 is slidingly connected between the two rear stand pipes, and the rear folding frame 6 comprises two movably riveted connecting pipes 61.

[0029] The sliding connection is realized by a sliding block 7 slidingly installed on the stand pipe 1.

[0030] The rollers 2 are installed at the bottom of the stand pipes 1 by means of axle insertion or threaded connection, etc., the front two rollers are universal wheels, and the rear two rollers are directional wheels.

[0031] The bottom folding frame 8 further comprises a U-shaped piece 83, the inner end of the bottom pipe 82 is arranged in the U-shaped piece 83, and the bottom pipe 82 and the U-shaped piece 83 are installed in the lower groove of the center seat 81 and are riveted movably. In order to facilitate installation in place, the top surface of the U-shaped piece 83 is provided with a protruding part 83a matched with the top protrusion of the center seat, and the front end lower side of the U-shaped piece 83 is provided with a front end surface 83b. In the unfolded state, the bottom pipe 82 is directly and accurately fitted in place when embedded and installed with the front end surface 83b. When folded, the bottom pipe 82 rotates downward to the center seat 81.

[0032] Further comprising an upper fixed seat 11 and a lower fixed seat 12, which are respectively installed on the upper and lower ends of the stand pipe 1, and the upper end of the side folding frame 3 is movably riveted with the upper fixed seat 11, and the outer end of the bottom pipe 82 is movably riveted with the lower fixed seat 12.

[0033] The pull rod 4 comprises two lower pipes 41, an upper pipe 42, a pull rod seat 43 and a handle 44, the upper pipe 42 passes through the pull rod seat 43 and can move up and down, and the top of the upper pipe 42 is provided with the handle 44; the upper ends of the two lower pipes 41 are symmetrically movably riveted on the pull rod seat 43 and can rotate left and right, and the lower ends of the two lower pipes 41 are movably riveted on the lower ends of the two front stand pipes 1 and can rotate forward and backward.

[0034] The upper pipe 42 is a telescopic pipe, which comprises an outer pipe 51, an inner pipe 52 and a pipe sleeve 53 embedded and installed on the top of the outer pipe, a spring ball 54 installed on the lower end of the inner pipe, and the inner pipe is arranged in the outer pipe through the pipe sleeve; in the stretched state, the spring ball 54 extends out of the limiting hole one 52a of the inner pipe and the limiting hole two 51a of the upper end of the outer pipe; the spring piece 53b on the pipe sleeve is located on the outer side of the outer pipe corresponding to the position of the spring ball. Press the spring piece 53b to move the spring ball 54 into the pipe, and release the locking state of the inner pipe and the outer pipe.

[0035] The pipe sleeve 53 is provided with a limiting groove 53c, when the inner pipe 52 is pulled up to the lowermost end and contacts the pipe sleeve 53, the spring ball extending out of the limiting hole one 52a abuts against the limiting groove 53c, fixing the lower end of the inner pipe and the outer pipe, and limiting the maximum stroke of the upward movement of the inner pipe. When the inner pipe 52 is pulled down to be embedded in the outer pipe, the spring ball at the upper end of the inner pipe extends out of the limiting hole two 51a at the upper end of the outer pipe, fixing the upper end of the inner pipe and the outer pipe.

[0036] The pipe sleeve 53 is provided with a protruding part 53a on both sides, and the protruding part 53a passes through the mounting hole 51b on both sides of the top of the outer pipe 51.

[0037] Further comprising an inner pipe plug 55 embedded in the inner pipe 52 from the lower end, the spring ball 54 is arranged in the inner pipe plug 55 and extends out of the limiting hole three 55a on the inner pipe plug 55; the inner pipe plug 55 and the inner pipe 52 are fixed by screws, and the inner pipe 52 passes through the pipe sleeve and extends into the outer pipe together with the inner pipe plug 55.

[0038] The bottom of the outer tube 51 is also provided with an outer tube plug 56 fixed by screws. The outer tube 51 can move up and down through the through hole of the pull rod seat 43. The bottom size of the outer tube plug 56 is larger than the diameter of the through hole of the pull rod seat 43, which limits the maximum stroke of the outer tube 51 when pulled up.

[0039] The pull rod 4 also includes two connecting seats 45. The lower end of the connecting seat 45 is movably riveted to the lower fixed seat 12 and can rotate back and forth. The lower end of the lower tube 41 is movably riveted to the upper end of the connecting seat 45 and can rotate left and right.

[0040] Example 2

[0041] Unlike Example 1, as Figure 5 As shown, in the simple handcart of this embodiment, a rear folding frame 9 is slidably connected between the two rear uprights, and the structure of the rear folding frame is the same as that of the front side folding frame.

[0042] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A simple gather cart, characterized in that, It comprises four vertical pipes, three side folding frames and a bottom folding frame, the upper ends of the side folding frames are movably connected with the two vertical pipes on the left and right sides, and the lower ends are slidably connected with the vertical pipes, the side folding frame comprises at least one X-shaped pipe, and a pull rod is movably riveted on the two vertical pipes on the front side; The bottom folding frame comprises a center seat and four bottom pipes movably riveted on the four corners of the center seat, and the other ends of the four bottom pipes are movably riveted with the lower ends of the four vertical pipes; The pull rod comprises two lower pipes, an upper pipe, a pull rod seat and a handle, the upper pipe passes through the pull rod seat and can move up and down, the top of the upper pipe is provided with the handle, the upper ends of the two lower pipes are symmetrically movably riveted on the pull rod seat and can rotate left and right, and the lower ends of the two lower pipes are movably riveted on the lower ends of the two vertical pipes on the front side and can rotate forward and backward; The upper pipe is a telescopic pipe, which comprises an outer pipe, an inner pipe, a pipe sleeve embedded on the top of the outer pipe and a rubber ball installed on the lower end of the inner pipe, the inner pipe passes through the pipe sleeve and is arranged in the outer pipe; in the stretched state, the rubber ball extends out of the limiting hole one of the inner pipe and the limiting hole two of the upper end of the outer pipe; the elastic sheet on the pipe sleeve is located outside the outer pipe corresponding to the position of the rubber ball.

2. The compact gathering cart of claim 1, wherein, A rear folding frame is slidably connected between the two vertical pipes on the rear side, and the rear folding frame comprises two movably riveted connecting pipes. Alternatively, a rear folding frame is slidably connected between the two vertical pipes on the rear side, and the rear folding frame has the same structure as the side folding frame on the front side.

3. The compact gathering cart of claim 1 or 2, wherein, The sliding connection is realized by a sliding block slidably installed on the vertical pipe.

4. The compact gathering cart of claim 1, wherein, The rollers are inserted and installed at the bottom of the vertical pipe, the two rollers on the front side are universal wheels, and the two rollers on the rear side are directional wheels.

5. The compact gathering cart of claim 1, wherein, The bottom folding frame further comprises a U-shaped piece with a front end sealed, the inner end of the bottom pipe is embedded in the U-shaped piece and abuts against the front end surface, then the bottom pipe and the U-shaped piece are installed in the lower groove of the center seat and are movably riveted by rivets.

6. The compact gathering cart of claim 1, wherein, It further comprises an upper fixed seat and a lower fixed seat, which are installed on the upper and lower ends of the vertical pipe respectively, the upper end of the side folding frame is movably riveted with the upper fixed seat, and the outer end of the bottom pipe is movably riveted with the lower fixed seat.

7. The compact gathering cart of claim 1, wherein, The pipe sleeve is provided with a protruding part on both sides, and the protruding part passes through the mounting holes on both sides of the top of the outer pipe.

8. The compact gathering cart of claim 1 or 7, wherein, It further comprises an inner pipe plug embedded in the inner pipe from the lower end, the rubber ball is arranged in the inner pipe plug and extends out of the limiting hole three on the inner pipe plug, and the inner pipe plug and the inner pipe are fixed by screws.

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