CN222611174U - Handcart - Google Patents

Abstract

The utility model discloses a handcart, which relates to the technical field of trolleys and comprises a bottom barrier support and a middle plastic connecting piece, wherein the middle plastic connecting piece is arranged between the two bottom barrier supports, a corner bottom support piece is arranged at the corner of the outer end of the bottom barrier support, a brake universal wheel is arranged at the lower end of the corner bottom support piece, a handcart upright rod is arranged at the upper end of the corner bottom support piece, and a corner top connecting piece is arranged at the upper end of the handcart upright rod. According to the utility model, the reinforced bottom support structure is arranged, so that when articles are stored, the two middle plastic connecting pieces are effectively connected and reinforced through the reinforced bottom support, the bottom bearing force can be effectively enhanced, the carrying capacity of the articles can be improved, and the reinforced bottom support can reduce the gap between the two bottom barrier supports, so that the articles are not easy to fall from the reinforced bottom support structure, and the articles are more convenient to carry.

Description

Handcart

Technical Field

The utility model relates to the technical field of trolleys, in particular to a trolley.

Background

With the continuous improvement of the living standard of people, outdoor activities such as outing and picnic are favored by more and more people, and because the outing and picnic require a plurality of foods and tools, the trolley is needed when the outdoor activities are carried, and the outdoor activities are convenient for people to carry and use.

Through searching, chinese patent publication No. CN215752510U discloses a novel campsite vehicle, which relates to the technical field of campsite vehicles. The novel bicycle comprises a first right-angle connecting piece, a second right-angle connecting piece, a third right-angle connecting piece, a fourth right-angle connecting piece, a first middle connecting piece, a second middle connecting piece, a first oblique angle connecting piece, a second oblique angle connecting piece, a third oblique angle connecting piece, a fourth oblique angle connecting piece, a first five-groove connecting piece, a second five-groove connecting piece, a supporting telescopic pipe, a first four-groove connecting piece, a second four-groove connecting piece, a supporting straight pipe, a flat supporting pipe, a supporting bent pipe, a connecting lug seat, a handlebar assembly, a universal wheel and a fixed wheel, wherein the first right-angle connecting piece is connected with the first five-groove connecting piece through the flat supporting pipe.

However, when the device is used for placing articles, the bottom lacks a reinforcing structure for connection due to accumulation of the articles, so that the whole bearing capacity is weak, a larger gap is formed in the middle of the device, and no barrier is arranged, and therefore, when the spacer is placed and the articles are placed in the device, the problem that the placed articles are easy to press the spacer downwards and deform is solved.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides the handcart, when articles are stored, the two middle plastic connecting pieces are effectively connected and reinforced through the reinforced bottom support, so that the whole bearing capacity can be improved, more articles can be conveniently placed for carrying, and the reinforced bottom support can reduce the gap between the two bottom barrier supports, so that the articles are not easy to fall from the handcart, and the carrying of the articles is more convenient.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a handcart, includes bottom separation support and middle plastic connector, two be provided with middle plastic connector between the bottom separation support, the outer end corner of bottom separation support is provided with corner bottom support, corner bottom support's lower extreme is provided with the universal wheel of taking the brake, corner bottom support's upper end is provided with the shallow pole setting, the upper end of shallow pole setting is provided with corner top connector, front and back homonymy be located corner bottom support on being provided with back cross support between the corner top connector, control homonymy be provided with outside folding support on being located corner bottom support between the corner top connector, corner top connector and middle plastic connector pass through inboard rotation support swing joint, two middle plastic connector's upper end is provided with strengthens bottom support, front end two be provided with between the corner bottom support and carry pull rod mechanism.

According to the technical scheme, when the portable bicycle is carried, a person holds the carrying pull rod mechanisms on the two corner bottom supporting pieces at the front end, so that the portable bicycle can be pulled to carry, the corner bottom supporting pieces can be pulled to walk due to the brake universal wheels at the lower ends, and when the articles are stored, the two middle plastic connecting pieces are effectively connected and reinforced through the reinforced bottom supporting pieces, so that the overall bearing capacity is effectively improved, more articles can be placed for carrying, the portable bicycle is more convenient when the articles are carried, and the corner top connecting pieces, the inner side rotating support, the front and rear cross support, the outer side folding support, the bottom blocking support, the connection between the corner bottom supporting pieces and the middle plastic connecting pieces are integrally and movably connected, so that the portable bicycle can be effectively folded and stored.

The portable pull rod mechanism comprises a concave block with a pin shaft, a D-shaped grab handle, a middle sleeve plate, a first rotating plate, a connecting piece rotating shaft rod, an anti-falling baffle column and a pull rod mechanism shell, wherein the middle sleeve plate is arranged in the middle of the interior of the pull rod mechanism shell, the D-shaped grab handle is arranged at the upper end of the middle sleeve plate, the anti-falling baffle column is arranged on the middle sleeve plate on the outer side of the pull rod mechanism shell, the first rotating plate is movably arranged at the inner sides of the two ends of the pull rod mechanism shell through pin shafts, the concave block with the pin shaft is movably arranged at the outer end of the first rotating plate through the pin shaft, the connecting piece rotating shaft rod is arranged at the outer end of the concave block with the pin shaft, and the concave block with the pin shaft is connected to a corner bottom supporting piece through the connecting piece rotating shaft rod.

By adopting the technical scheme, the portable pull rod mechanism is convenient for people to hold and carry due to the structure of the portable pull rod mechanism.

The utility model further provides that the corner bottom support comprises a pull rod limiting concave plate, a double-head screw hole column, a first positioning concave block, a second positioning concave block, a third positioning concave block and a locking screw, wherein the locking screw is arranged at the inner side of the double-head screw hole column, the pull rod limiting concave plate, the third positioning concave block, the second positioning concave block and the first positioning concave block are sequentially arranged at the outer side of the circumference of the double-head screw hole column clockwise, the lower end of the double-head screw hole column is connected to a universal wheel with a brake, the upper end of the double-head screw hole column is connected to a vertical rod of a cart through the locking screw, the third positioning concave block is connected to a front-rear cross support, the second positioning concave block is connected to a bottom blocking support, and the first positioning concave block is connected to an outer side folding support.

By the technical scheme, the corner bottom supporting piece is convenient to position and use due to the structure of the corner bottom supporting piece.

The bottom blocking support is further arranged to comprise a first pin shaft, a double-hole arm plate, a cross sleeve block and a second pin shaft, the inner sides of four corners of the lower end of the cross sleeve block are provided with the double-hole arm plate, the cross sleeve block and the double-hole arm plate are movably connected through the second pin shaft, and the outer end of the double-hole arm plate is provided with the first pin shaft.

By the technical scheme, the bottom blocking support structure is convenient for placing and using.

The middle plastic connecting piece comprises a positioning block shell, a bottom supporting sleeve hole, an inner baffle sleeve hole and a baffle plate frame sleeve hole, wherein the bottom supporting sleeve hole is arranged in the middle of the upper end of the positioning block shell, the baffle plate frame sleeve hole is arranged on the positioning block shell at the outer side of the bottom supporting sleeve hole, the inner baffle plate sleeve hole is arranged on the positioning block shell at the outer side of the baffle plate frame sleeve hole, the positioning block shell is connected to a reinforced bottom support through the bottom supporting sleeve hole, the positioning block shell is connected to an inner side rotating support through the inner baffle plate sleeve hole, and the positioning block shell is connected to a bottom blocking support through the baffle plate frame sleeve hole.

By the technical scheme, the middle plastic connecting piece is convenient to use in a middle connection mode due to the structure of the middle plastic connecting piece.

The reinforced bottom support is further arranged to comprise a belt shaft rod type shell, reinforced support rods and reinforced rod pin shafts, wherein the reinforced support rods are movably connected in the bottom grooves of the belt shaft rod type shell through shaft rods, the reinforced rod pin shafts are arranged on two sides of the outer ends of the reinforced support rods, and the reinforced rod pin shafts are connected to the middle plastic connecting piece.

By the technical scheme, the bottom supporting structure is reinforced, so that the support is convenient to pull and use, is convenient to block and use, and effectively improves the overall bearing capacity.

The folding support comprises an outer rotating plate, rotating ends, connecting pins and rotating convex columns, wherein the rotating ends are arranged at two ends of the connecting pins, the outer rotating plate is arranged outside the rotating ends, the rotating convex columns are arranged at the outer ends of the outer rotating plate, and the outer rotating plate is connected to the corner bottom support piece through the rotating convex columns.

By adopting the technical scheme, the lateral side is convenient to block and use due to the folding supporting structure at the outer side.

The utility model further provides that the corner top connecting piece comprises a round right-angle shell, a first rotating sleeve groove, a second rotating sleeve groove and a locking bolt, wherein the locking bolt is arranged on the inner side of the round right-angle shell, the first rotating sleeve groove is arranged on the inner side of the lower end of the round right-angle shell, the second rotating sleeve groove is arranged on the round right-angle shell on the outer side of the first rotating sleeve groove, the round right-angle shell is connected to a trolley upright rod through the locking bolt, the round right-angle shell is connected to the inner side rotating support through a pin shaft in the second rotating sleeve groove, and the round right-angle shell is connected to the front-rear cross support through the pin shaft in the first rotating sleeve groove.

By the technical scheme, the corner top connecting piece is convenient to position and use due to the structure of the corner top connecting piece.

The utility model further provides that the front-back cross support comprises a first cross plate, an assembly pin shaft and a second cross plate, wherein the first cross plate and the second cross plate are arranged at two ends of the assembly pin shaft in a crossing way, the upper end of the second cross plate is connected to the corner bottom support piece, the upper end of the first cross plate is connected to the corner bottom support piece, the lower end of the first cross plate is connected to the corner top connecting piece, and the lower end of the second cross plate is connected to the corner top connecting piece.

By the technical scheme, the front and rear cross supporting structure can be used in a blocking way.

The utility model is further arranged that the trolley vertical rod comprises an inner supporting rod and a positioning sleeve rod, wherein the inner supporting rod is arranged in the positioning sleeve rod and is connected to the corner top connecting piece, and the positioning sleeve rod is connected to the corner bottom supporting piece.

According to the technical scheme, the trolley vertical rod structure can be used in a telescopic supporting mode, and can be telescopic when being folded.

The beneficial effects of the utility model are as follows:

1. through being provided with the strengthening bottom sprag structure to when depositing article, strengthen through strengthening bottom sprag effective connection between two middle plastics connecting pieces, can effectively strengthen bottom bearing capacity, thereby can improve article carrying capacity, and strengthen the clearance between bottom sprag can reduce two bottom separation supports, thereby article is difficult for falling therefrom, makes when carrying article more convenient.

2. Through being provided with and strengthening bottom sprag structure, be convenient for block like this and carry, strengthen the reinforcing support bar of bottom sprag through the stiffener round pin axle of outer end both sides, thereby can be on middle plastics connecting piece spacing rotation folding, can effectively connect through taking axostylus axostyle I-shaped shell between two reinforcing support bars, make can folding rotation, and take axostylus axostyle I-shaped shell can effectively block and strengthen the bracing piece when expanding, thereby strengthen the bracing piece and can place between two middle plastics connecting pieces, effectively strengthen the connection like this, thereby effectively strengthen bottom bearing capacity, be convenient for place more article and carry the use.

Drawings

Fig. 1 is a schematic perspective view of a cart according to the present utility model;

Fig. 2 is a schematic structural view of a carrying pull rod mechanism of a cart according to the present utility model;

FIG. 3 is a schematic view of a corner bottom support structure of a cart according to the present utility model;

FIG. 4 is a schematic view of a bottom barrier support structure of a cart according to the present utility model;

FIG. 5 is a schematic view of an intermediate plastic connector for a cart according to the present utility model;

FIG. 6 is a schematic view of a reinforced bottom support structure of a cart according to the present utility model;

FIG. 7 is a schematic view of an outside folding support structure of a cart according to the present utility model;

FIG. 8 is a schematic view of a corner top connector of a cart according to the present utility model;

FIG. 9 is a schematic view of a front-rear cross support structure of a cart according to the present utility model;

Fig. 10 is a schematic diagram of a vertical rod structure of a cart according to the present utility model.

1, Corner top connector; 12, rounding a right-angle shell; 13, a first rotating sleeve groove; 14, a second rotating sleeve groove, 15, a locking bolt, 2, an inner rotating support, 81, an inner supporting rod, 82, a positioning sleeve rod, 3, a front-back cross support, 31, a first cross plate, 32, an assembling pin, 33, a second cross plate, 4, a universal wheel with a brake, 5, an outer folding support, 51, an outer rotating plate, 52, a rotating end, 53, a connecting pin, 54, a rotating convex column, 6, a reinforcing bottom support, 61, a shaft rod type shell, 62, a reinforcing supporting rod, 63, a reinforcing rod pin, 7, a bottom blocking support, 71, a first pin, 72, a double-hole arm plate, 73, a cross sleeve block, 74, a second pin, 8, a vertical rod, 9, a carrying pull rod mechanism, 91, a pin concave block, 92, a D-shaped grab handle, 93, a middle sleeve plate, 94, a first rotating plate, 95, a connecting piece rotating shaft, 96, a retaining column, 97, a pull rod mechanism shell, 10, a bottom supporting member, 101, a pull rod limiting concave plate, 102, 103, a first positioning block 104, a second concave block, 105, a corner sleeve block, a positioning sleeve block, 11, a middle sleeve plate, a positioning sleeve block, a positioning block, a plastic shell, a positioning sleeve block, a 11, a middle sleeve block, a locking sleeve block, a positioning sleeve, and a plastic sleeve 112.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

Referring to fig. 1-10, a cart comprises a bottom barrier support 7 and a middle plastic connecting piece 11, wherein a middle plastic connecting piece 11 is arranged between the two bottom barrier supports 7, a corner bottom support 10 is arranged at the corner of the outer end of the bottom barrier support 7, a reinforced bottom support 6 is arranged at the lower end of the corner bottom support 10, a universal wheel 4 with a brake is arranged at the lower end of the corner bottom support 10, a cart upright rod 8 is arranged at the upper end of the corner bottom support 10, a corner top connecting piece 1 is arranged at the upper end of the cart upright rod 8, a front cross support 3 and a rear cross support 3 are arranged between the front corner top support and the rear corner top connecting piece 1 and the middle plastic connecting piece 1 and are arranged on the corner bottom support 10, the corner top connecting piece 1 and the middle plastic connecting piece 11 are movably connected through an inner side rotary support 2, a carrying pull rod mechanism 9 is arranged between the two corner bottom supports 10 at the upper ends of the middle plastic connecting piece 11, and a carrying pull rod mechanism 9 is arranged at the front end of the two corner bottom supports 10 in use, so that the carrying rod mechanism 9 on the front corner bottom support 10 can be pulled, the carrying support can be pulled, the lower end of the carrying support 10 can be further simultaneously, the carrying support can be more rotatably connected through the universal wheels 4 and the inner side rotary support 2, the side can be more rotatably connected through the inner side rotary support 2, the inner side of the corner support 5 can be more than the corner support 5, the whole can be more conveniently connected through the inner side of the corner support 10, and the side can be more than the whole can be more conveniently and connected through the rotary support 3, and can be simultaneously and more conveniently and connected through the rotary support 2, and can be conveniently and effectively and connected through the rotary support and can be folded and easily and connected and can be folded and by the whole, the bottom barrier supports 7, corner bottom supports 10 and intermediate plastic connectors 11 are integrally and movably connected so as to be effectively folded and stored.

Specifically, carry pull rod mechanism 9 including taking round pin axle concave piece 91, D type grab handle 92, middle sleeve plate 93, first rotating plate 94, connecting piece rotating shaft 95, anticreep baffle post 96 and pull rod mechanism shell 97, the inside centre of pull rod mechanism shell 97 is provided with middle sleeve plate 93, the upper end of middle sleeve plate 93 is provided with D type grab handle 92, the outside of pull rod mechanism shell 97 is located middle sleeve plate 93 and is provided with anticreep baffle post 96, the both ends inboard of pull rod mechanism shell 97 is provided with first rotating plate 94 through the round pin axle activity, the outer end of first rotating plate 94 is provided with taking round pin axle concave piece 91 through the round pin axle activity, the outer end of taking round pin axle concave piece 91 is provided with connecting piece rotating shaft 95, take round pin axle concave piece 91 through connecting piece rotating shaft 95 connection on corner bottom support piece 10, the taking round pin axle concave piece 91 of pull rod mechanism 9 can swing joint on corner bottom support piece 10, so can rotate when pulling, thereby the whole carrying angle that changes, when pulling, hold middle sleeve plate 92 through the round pin axle activity, can make and pull rod 92, can take off the end in order to avoid the tie rod mechanism to take off in the middle of the tie rod mechanism through the tie rod through the round pin axle, the tie rod is in the tie rod 92, thereby can be in order to prevent falling from the outer end of the tie rod mechanism, and prevent from taking off the tie rod 92, when the tie rod mechanism, and the tie rod mechanism is in the tie down, and the tie rod mechanism, and has been changed.

Specifically, corner bottom support 10 includes pull rod spacing concave plate 101, double-end screw post 102, first location concave block 103, second location concave block 104, third location concave block 105 and locking screw 106, the inboard of double-end screw post 102 is provided with locking screw 106, the circumference outside of double-end screw post 102 has set gradually pull rod spacing concave plate 101 clockwise, third location concave block 105, second location concave block 104 and first location concave block 103, the lower extreme of double-end screw post 102 is connected on taking brake universal wheel 4, the upper end of double-end screw post 102 passes through locking screw 106 to be connected on shallow pole setting 8, third location concave block 105 is connected on back cross support 3, second location concave block 104 is connected on bottom separation support 7, first location concave block 103 is connected on outside folding support 5, the double-end screw post 102 lower extreme of corner bottom support 10 is connected on taking brake universal wheel 4, so be convenient for remove, and the upper end of double-end screw post 102 passes through locking screw 106 to be connected on shallow pole setting 8 for shallow pole setting 8 is convenient for support to place, third location concave block 105 is connected on back cross support 3, folding support 7 is connected on folding support 7, thereby can take in movable connection on the folding support 7.

Specifically, the bottom separation support 7 includes first round pin axle 71, diplopore arm board 72, cross cover piece 73 and second round pin axle 74, four corner inboard of lower extreme of cross cover piece 73 is provided with diplopore arm board 72, cross cover piece 73 and diplopore arm board 72 pass through second round pin axle 74 swing joint, the outer end of diplopore arm board 72 is provided with first round pin axle 71, the cross cover piece 73 of bottom separation support 7 is because of inboard second round pin axle 74 for diplopore arm board 72 can the activity is placed, can fold like this accomodate, and the outer end of diplopore arm board 72 can be with outside swing joint through first round pin axle 71, thereby can fold accomodate the use.

Specifically, the middle plastic connecting piece 11 includes a positioning block shell 111, a bottom support sleeve hole 112, an inner baffle sleeve hole 113 and a baffle frame sleeve hole 114, the bottom support sleeve hole 112 is arranged in the middle of the upper end of the positioning block shell 111, the baffle frame sleeve hole 114 is arranged on the positioning block shell 111 at the outer side of the bottom support sleeve hole 112, the inner baffle sleeve hole 113 is arranged on the positioning block shell 111 at the outer side of the baffle frame sleeve hole 114, the positioning block shell 111 is connected to the reinforced bottom support 6 through the bottom support sleeve hole 112, the positioning block shell 111 is connected to the reinforced bottom support 7 through the baffle frame sleeve hole 114, the positioning block shell 111 of the middle plastic connecting piece 11 is connected to the reinforced bottom support 6 through the bottom support sleeve hole 112, so that the reinforced bottom support 6 is convenient to install, place and use, the positioning block shell 111 is movably connected to the reinforced bottom support 6 through the inner baffle sleeve hole 113, and the positioning block shell 111 is movably connected to the bottom support 7 through the baffle frame sleeve hole 114.

Specifically, the reinforced bottom support 6 includes a belt shaft rod type shell 61, a reinforced support rod 62 and a reinforced rod pin 63, the reinforced support rod 62 is movably connected in a bottom groove of the belt shaft rod type shell 61 through a shaft rod, two sides of the outer end of the reinforced support rod 62 are provided with the reinforced rod pin 63, the reinforced rod pin 63 is connected to the middle plastic connecting piece 11, the reinforced support rod 62 of the reinforced bottom support 6 is folded through the reinforced rod pin 63 on two sides of the outer end, so that the middle plastic connecting piece 11 can be limited and rotated, the two reinforced support rods 62 can be effectively connected through the belt shaft rod type shell 61, so that the belt shaft rod type shell 61 can be folded and rotated, and the reinforced support rod 62 can be placed between the two middle plastic connecting pieces 11 during unfolding, so that the connection is effectively reinforced, the bottom bearing capacity is effectively enhanced, and more objects can be conveniently placed for carrying and using.

Specifically, the outer folding support 5 includes an outer rotating plate 51, a rotating end 52, a connecting pin 53 and a rotating convex column 54, the rotating end 52 is provided at two ends of the connecting pin 53, the outer rotating plate 51 is provided at the outer side of the rotating end 52, the rotating convex column 54 is provided at the outer end of the outer rotating plate 51, the outer rotating plate 51 is connected to the corner bottom support 10 through the rotating convex column 54, the outer rotating plate 51 of the outer folding support 5 is movably connected to the corner bottom support 10 through the rotating convex column 54, so that the folding can be performed, and the rotating end 52 is movably connected through the connecting pin 53, so that the folding can be performed.

Specifically, the corner top connector 1 includes a rounded right-angle shell 12, a first rotating sleeve 13, a second rotating sleeve 14 and a locking bolt 15, the locking bolt 15 is disposed on the inner side of the rounded right-angle shell 12, the first rotating sleeve 13 is disposed on the inner side of the lower end of the rounded right-angle shell 12, the second rotating sleeve 14 is disposed on the rounded right-angle shell 12 on the outer side of the first rotating sleeve 13, the rounded right-angle shell 12 is connected to the cart upright 8 through the locking bolt 15, the rounded right-angle shell 12 is connected to the inner side rotating support 2 through the inner pin of the second rotating sleeve 14, the rounded right-angle shell 12 is connected to the front and rear cross supports 3 through the inner pin of the first rotating sleeve 13, the rounded right-angle shell 12 of the corner top connector 1 is connected to the cart upright 8 through the locking bolt 15, so as to be installed and placed correspondingly, the rounded right-angle shell 12 is connected to the inner side rotating support 2 through the inner pin of the second rotating sleeve 13, and the rounded right-angle shell 12 is connected to the front and rear cross supports 3 through the inner pin of the first rotating sleeve 13, so as to be folded and stored.

Specifically, the front-rear cross brace 3 includes a first cross plate 31, an assembly pin 32 and a second cross plate 33, both ends of the assembly pin 32 are provided with the first cross plate 31 and the second cross plate 33 in a crossing manner, the upper end of the second cross plate 33 is connected to the corner bottom support 10, the upper end of the first cross plate 31 is connected to the corner bottom support 10, the lower end of the first cross plate 31 is connected to the corner top connection 1, the lower end of the second cross plate 33 is connected to the corner top connection 1, the upper end of the second cross plate 33 of the front-rear cross brace 3 is movably connected to the corner bottom support 10, the upper end of the first cross plate 31 is movably connected to the corner bottom support 10, the lower end of the first cross plate 31 is movably connected to the corner top connection 1, and the lower end of the second cross plate 33 is movably connected to the corner top connection 1, and the first cross plate 31 and the second cross plate 33 are movably connected to the corner top connection 1 through the assembly pin 32, so that the front-rear cross brace 3 can be accommodated for use.

Specifically, the cart upright 8 comprises an inner support rod 81 and a positioning sleeve rod 82, the inner support rod 81 is arranged in the positioning sleeve rod 82, the inner support rod 81 is connected to the corner top connecting piece 1, the positioning sleeve rod 82 is connected to the corner bottom supporting piece 10, the inner support rod 81 of the cart upright 8 is connected to the corner top connecting piece 1, and the positioning sleeve rod 82 is connected to the corner bottom supporting piece 10, so that the cart upright 8 can be supported, and the inner support rod 81 and the positioning sleeve rod 82 are sleeved with each other, so that the cart upright 8 can be used in a telescopic supporting manner when being folded.

The portable folding portable storage device has the advantages that when the portable folding portable storage device is used, a person holds the carrying pull rod mechanisms 9 on the two corner bottom supports 10 at the front end, so that the person can pull and carry, when carrying, the corner bottom supports 10 can pull and walk due to the brake universal wheels 4 at the lower end, and when storing articles, the two middle plastic connecting pieces 11 are effectively connected and reinforced through the reinforced bottom supports 6, so that the overall bearing capacity is effectively improved, more articles can be placed and carried, the articles can be carried more conveniently, and the corner top connecting pieces 1, the inner side rotating supports 2, the front and rear cross supports 3, the outer side folding supports 5, the bottom blocking supports 7, the connection between the corner bottom supports 10 and the middle plastic connecting pieces 11 can be integrally movably connected, and therefore the portable folding portable storage device can be effectively folded and stored.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. The utility model provides a handcart, includes bottom separation support (7) and middle plastic connector (11), its characterized in that, two be provided with middle plastic connector (11) between bottom separation support (7), the outer end corner of bottom separation support (7) is provided with corner bottom support (10), the lower extreme of corner bottom support (10) is provided with and takes brake universal wheel (4), the upper end of corner bottom support (10) is provided with shallow pole setting (8), the upper end of shallow pole setting (8) is provided with corner top connecting piece (1), front and back homonymy be located corner bottom support (10) between corner top connecting piece (1) and be provided with front and back cross support (3), control homonymy be located corner bottom support (10) between corner top connecting piece (1) and fold support (5) in the outside, corner top connecting piece (1) and middle plastic connector (11) are through inboard rotation support (2) swing joint, two the upper end of middle plastic connector (11) is provided with strengthening bottom (6), two carry corner mechanism (9) between corner bottom support (10).

2. The trolley according to claim 1, wherein the carrying pull rod mechanism (9) comprises a concave block (91) with a pin shaft, a D-shaped grab handle (92), an intermediate sleeve plate (93), a first rotating plate (94), a connecting piece rotating shaft lever (95), a falling-preventing baffle column (96) and a pull rod mechanism shell (97), the intermediate sleeve plate (93) is arranged in the middle of the interior of the pull rod mechanism shell (97), the D-shaped grab handle (92) is arranged at the upper end of the intermediate sleeve plate (93), the falling-preventing baffle column (96) is arranged on the intermediate sleeve plate (93) at the outer side of the pull rod mechanism shell (97), the first rotating plate (94) is arranged at the inner sides of the two ends of the pull rod mechanism shell (97) through pin shafts, the concave block (91) with the pin shaft is arranged at the outer end of the first rotating plate (94) through pin shafts, the connecting piece rotating shaft lever (95) is arranged at the outer end of the concave block (91) with the pin shaft, and the concave block (91) with the pin shaft is connected to the corner supporting piece (10) through the connecting piece rotating shaft (95).

3. The trolley according to claim 1, wherein the corner bottom support (10) comprises a pull rod limiting concave plate (101), a double-head screw hole column (102), a first positioning concave block (103), a second positioning concave block (104), a third positioning concave block (105) and a locking screw (106), the locking screw (106) is arranged on the inner side of the double-head screw hole column (102), the pull rod limiting concave plate (101), the third positioning concave block (105), the second positioning concave block (104) and the first positioning concave block (103) are sequentially arranged on the outer side of the circumference of the double-head screw hole column (102) clockwise, the lower end of the double-head screw hole column (102) is connected to a universal wheel (4) with a brake, the upper end of the double-head screw hole column (102) is connected to a trolley upright (8) through the locking screw (106), the third positioning concave block (105) is connected to a front-back cross support (3), the second positioning concave block (104) is connected to a bottom blocking support (7), and the first positioning concave block (103) is connected to a folding support (5) on the outer side.

4. A trolley according to claim 1, wherein the bottom barrier support (7) comprises a first pin (71), a double-hole arm plate (72), a cross sleeve block (73) and a second pin (74), the double-hole arm plate (72) is arranged on the inner side of four corners of the lower end of the cross sleeve block (73), the cross sleeve block (73) and the double-hole arm plate (72) are movably connected through the second pin (74), and the first pin (71) is arranged at the outer end of the double-hole arm plate (72).

5. A trolley according to claim 1, wherein the intermediate plastic connector (11) comprises a positioning block housing (111), a bottom support sleeve hole (112), an inner baffle sleeve hole (113) and a baffle plate frame sleeve hole (114), the bottom support sleeve hole (112) is arranged in the middle of the upper end of the positioning block housing (111), the baffle plate frame sleeve hole (114) is arranged on the positioning block housing (111) on the outer side of the bottom support sleeve hole (112), the inner baffle plate sleeve hole (113) is arranged on the positioning block housing (111) on the outer side of the baffle plate frame sleeve hole (114), the positioning block housing (111) is connected to the reinforced bottom support (6) through the bottom support sleeve hole (112), the positioning block housing (111) is connected to the inner side rotary support (2) through the inner baffle plate sleeve hole (113), and the positioning block housing (111) is connected to the bottom blocking support (7) through the baffle plate frame sleeve hole (114).

6. A trolley according to claim 1, characterized in that the reinforcing bottom support (6) comprises a belt shaft i-shaped shell (61), reinforcing support rods (62) and reinforcing rod pins (63), wherein the reinforcing support rods (62) are movably connected in the bottom grooves of the belt shaft i-shaped shell (61) through shaft rods, the reinforcing rod pins (63) are arranged on two sides of the outer ends of the reinforcing support rods (62), and the reinforcing rod pins (63) are connected to the middle plastic connecting piece (11).

7. A trolley according to claim 1, characterized in that the outer folding support (5) comprises an outer rotating plate (51), a rotating end (52), a connecting pin (53) and a rotating boss (54), the rotating end (52) is provided at both ends of the connecting pin (53), the outer rotating plate (51) is provided outside the rotating end (52), the rotating boss (54) is provided at the outer end of the outer rotating plate (51), and the outer rotating plate (51) is connected to the corner bottom support (10) through the rotating boss (54).

8. A trolley according to claim 1, characterized in that the corner top connection (1) comprises a rounded right angle shell (12), a first rotating socket (13), a second rotating socket (14) and a locking bolt (15), the inner side of the rounded right angle shell (12) is provided with the locking bolt (15), the inner side of the lower end of the rounded right angle shell (12) is provided with the first rotating socket (13), the outer side of the first rotating socket (13) is provided with the second rotating socket (14) on the rounded right angle shell (12), the rounded right angle shell (12) is connected on the trolley pole (8) through the locking bolt (15), the rounded right angle shell (12) is connected on the inner side rotating support (2) through the inner pin of the second rotating socket (14), and the rounded right angle shell (12) is connected on the front and rear cross supports (3) through the inner pin of the first rotating socket (13).

9. A trolley according to claim 1, characterized in that the front-rear cross support (3) comprises a first cross plate (31), an assembly pin (32) and a second cross plate (33), the two ends of the assembly pin (32) are provided with the first cross plate (31) and the second cross plate (33) in a crossing manner, the upper end of the second cross plate (33) is connected to the corner bottom support (10), the upper end of the first cross plate (31) is connected to the corner bottom support (10), the lower end of the first cross plate (31) is connected to the corner top connector (1), and the lower end of the second cross plate (33) is connected to the corner top connector (1).

10. A trolley according to claim 1, characterized in that the trolley pole (8) comprises an inner support bar (81) and a positioning loop bar (82), the positioning loop bar (82) being internally provided with the inner support bar (81), the inner support bar (81) being connected to the corner top connection (1), the positioning loop bar (82) being connected to the corner bottom support (10).