Trolley

Abstract

The utility model belongs to the technical field of trolleys, and particularly relates to a trolley, which comprises a foldable trolley body and a base arranged at the bottom of the trolley body, the trolley body comprises a front trolley body and a rear trolley body, the base comprises a first base and a second base, one end of the first base is hinged to one end of the second base, and the other end of the first base is hinged to the other end of the second base. The other end of the first base and the other end of the second base are hinged to the vehicle body, the supporting rod is hinged to the front vehicle body and the rear vehicle body, the first base and the second base each comprise a square end and a triangular end, the ends of the two triangular ends are hinged to form a hinged end, and the hinged ends are arranged on the supporting rod. The square end is hinged to the vehicle body; a reinforcing rod is transversely fixed between the square end and the triangular end. The trolley is firm in base structure and high in supporting strength.

Description

Technical Field

[0001] The utility model belongs to the technical field of trolleys, and particularly relates to a handcart. Background Art

[0002] As a tool for transporting on-site materials in industrial production and for people's tourism and shopping, the handcart brings great convenience to production and life.

[0003] The bottoms of many folding handcarts on the market are of conventional folding structures. For example, a telescopic and gathering handcart disclosed in a Chinese patent with the publication number of CN220130156 U has a chassis including a central seat and four bottom tubes. One end of each of the four bottom tubes is riveted to the four corners of the central base, and the other end of each bottom tube is riveted to four lower fixed seats. Lifting the central seat drives the four bottom tubes to gather, realizing the folding of the chassis. Although this technical solution can achieve folding, in actual use, the base has no support and is prone to sagging downward, and it is not easy to fold after sagging.

[0004] Therefore, a handcart with a strong base structure and not easy to sag is needed. Content of the Utility Model

[0005] In order to overcome the defects in the prior art, the purpose of the utility model is to provide a handcart with a strong base structure and high support strength.

[0006] The purpose of the utility model is achieved as follows:

[0007] A handcart includes a foldable body and a base provided at the bottom of the body. The body includes a front body and a rear body. The base includes a first base and a second base. One end of the first base and the second base is hinged, and the other end of the first base and the second base is hinged to the body. It also includes a support rod hinged to the front body and the rear body. The first base and the second base both include a square end and a triangular end. The ends of the two triangular ends are hinged to form a hinge end, and the hinge end is placed on the support rod, and the square end is hinged to the body; a reinforcing rod is horizontally fixed between the square end and the triangular end.

[0008] It is further set that: the reinforcing rod is close to the bottom of the triangular end; the ratio of the length of the square end to the length of the triangular end is 2:1 to 1:2.

[0009] It is further set that: the first base and the second base are both formed by bending two rods. The end of the triangular end extends outward to form a connecting part, and each connecting part is hinged to each other through a hinge shaft.

[0010] It is further set that: the connecting part of the first base is located outside the connecting part of the second base.

[0011] Further set as: The vehicle body further includes a left vehicle body and a right vehicle body. Two support frames are fixed to the bottom of the left vehicle body, and wheels are installed on the support frames; the support frames are arranged in the middle of the left vehicle body.

[0012] Further set as: The support frame includes two fixing pieces, and one ends of the two fixing pieces are fixedly welded to the left vehicle body.

[0013] Further set as: Front wheels are respectively arranged at the front and rear ends of the right vehicle body, and the two front wheels are located outside the support frame.

[0014] Further set as: The front wheels are universal wheels.

[0015] Further set as: Both the front vehicle body and the rear vehicle body include a first connecting rod hinged to one end of the left vehicle body and a second connecting rod hinged to one end of the right vehicle body. The first connecting rod and the second connecting rod are cross - arranged. The other end of the first connecting rod is hinged to the right vehicle body through a third connecting rod, and the other end of the second connecting rod is hinged to the left vehicle body through a fourth connecting rod.

[0016] Further set as: The support rod is hinged at the cross - position of the first connecting rod and the second connecting rod.

[0017] The beneficial effects of the present utility model compared with the prior art are as follows:

[0018] By arranging a support rod at the hinged end of the first base and the second base, the support rod forms a supporting effect on the base, thereby increasing the structural strength of the base after unfolding, avoiding the base from sagging downward during use, increasing the structural strength of the entire base. At the same time, by arranging a reinforcing rod, the gap between the first base and the second base is smaller, making the structure more stable.

[0019] By welding fixing pieces in the middle of the left vehicle body, it is convenient for production and installation of wheels, and the welded fixing pieces have good stability, are not easy to fall off, and have a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the structural schematic diagram of the present utility model Figure 1 ;

[0021] Figure 2 is the structural schematic diagram of the present utility model Figure 2 ;

[0022] Figure 3 is the top view of the present utility model;

[0023] Figure 4 is the partial structure explosion schematic diagram of the present utility model;

[0024] Figure 5 is the present utility model Figure 2Enlarged view of part A in

[0025] Meanings of the reference numerals in the figure:

[0026] 11 - Front vehicle body; 12 - Rear vehicle body; 13 - Left vehicle body; 14 - Right vehicle body; 15 - First connecting rod

[0027] 16 - Second connecting rod; 17 - Third connecting rod; 18 - Fourth connecting rod; 21 - First base; 22 - Second base

[0028] 23 - Square end; 24 - Triangular end; 25 - Hinged end; 26 - Connecting part; 3 - Support rod; 4 - Hinge shaft

[0029] 5 - Reinforcing rod; 6 - Support frame; 61 - Fixed plate; 7 - Wheel; 8 - Front wheel; 9 - Pull rod Specific implementation mode

[0030] The following further describes the present utility model with specific embodiments in conjunction with the accompanying drawings:

[0031] See Figures 1 to 5 As shown, a trolley includes a foldable vehicle body and a base provided at the bottom of the vehicle body. In order to facilitate the folding of the vehicle body, the vehicle body includes a front vehicle body 11, a rear vehicle body 12, a left vehicle body 13, and a right vehicle body 14. The front vehicle body 11 and the rear vehicle body 12 both include a first connecting rod 15 hinged to the left vehicle body 13 at one end and a second connecting rod 16 hinged to the right vehicle body 14 at one end. The first connecting rod 15 and the second connecting rod 16 are cross - arranged. The other end of the first connecting rod 15 is hinged to the right vehicle body 14 through a third connecting rod 17, and the other end of the second connecting rod 16 is hinged to the left vehicle body 13 through a fourth connecting rod 18.

[0032] The base includes a first base 21 and a second base 22. One end of the first base 21 and the second base 22 is hinged. The other ends of the first base 21 and the second base 22 are hinged to the vehicle body. It also includes a support rod 3 hinged to the front vehicle body 11 and the rear vehicle body 12. The first base 21 and the second base 22 both include a square end 23 and a triangular end 24. The ends of the two triangular ends 24 are hinged to form a hinged end 25. The hinged end 25 is placed on the support rod 3. The square end 23 is hinged to the vehicle body. The two triangular ends 24 are in an "X" shape; the support rod 3 is hinged at the cross - position of the first connecting rod 15 and the second connecting rod 16. The support rod 3 is in a "U" shape. The two ends of the support rod 3 are respectively hinged to any one of the first connecting rod 15 or the second connecting rod 16 on both sides.

[0033] When the current vehicle body 11 and the rear vehicle body 12 approach each other, the first connecting rod 15 and the second connecting rod 16 drive the third connecting rod 17 and the fourth connecting rod 18 to move upward. At the same time, the support rod 3 is driven to move upward, so that the support rod 3 drives the upper hinge end 25 to move upward, and the first base 21 and the second base 22 can be driven to fold upward together; alternatively, the first base 21 and the second base 22 can move upward first, thereby driving the front vehicle body 11 and the rear vehicle body 12 to approach each other.

[0034] A reinforcing rod 5 is horizontally fixed between the square end 23 and the triangular end 24; the end of the square end 23 and the cross bar of the front vehicle body 11 or the rear vehicle body 12 form a rectangular area, or the reinforcing rod 5, the rods on both sides and the cross bar of the front vehicle body 11 or the rear vehicle body 12 form a rectangular area to form the square end 23. A support rod 3 is provided at the hinge end 25 of the first base 21 and the second base 22, so that the support rod 3 forms a supporting effect on the base, thereby increasing the structural strength of the base after unfolding, avoiding the base from sagging downward during use, increasing the structural strength of the entire base. At the same time, the reinforcing rod 5 is provided so that the gap between the first base 21 and the second base 22 is smaller, making the structure more stable.

[0035] In this embodiment, the reinforcing rod 5 is close to the bottom of the triangular end 24, which can be understood as: the reinforcing rod 5 is provided at the bottom of the triangular end 24, or: the reinforcing rod 5 is provided below the bottom of the triangular end 24; at the same time, the ratio of the length of the square end 23 to the length of the triangular end 24 is 2:1 to 1:2. The ratio of the length of the square end 23 to the length of the triangular end 24 can be 2:1, or 1:1, or 1:2; in this embodiment, 1:1 is preferably used, so that the entire base can be more evenly divided by the reinforcing rod 5 and the support rod 3, making the base more stable.

[0036] In this embodiment, both the first base 21 and the second base 22 are formed by bending two rods, and the rods are made of stainless steel; the end of the triangular end 24 extends outward to form a connecting portion 26, and each connecting portion 26 is hinged to each other through a hinge shaft 4. Specifically, one end of each rod is bent inward, and a section is reserved at the end of the rod to form a connecting portion 26. The connecting portion 26 of one triangular end 24 forms an opening, and the connecting portion 26 of the other triangular end 24 abuts against it. The two connecting portions 26 are inserted in a pair so that the connecting portion 26 of the first base 21 is located outside the connecting portion 26 of the second base 22, and the four connecting portions 26 abut against each other, and the hinge shaft 4 is horizontally passed through the connecting portion 26; at the same time, when the base is in the unfolded state, the hinge shaft 4 is located above the support rod 3.

[0037] Two support frames 6 are fixed to the bottom of the left vehicle body 13, and wheels 7 are installed on the support frames 6; the support frames 6 are provided in the middle of the left vehicle body 13.

[0038] Meanwhile, the support frame 6 includes two fixing pieces 61. One ends of the two fixing pieces 61 are both fixedly welded to the left vehicle body 13, which is convenient for production and installation of the wheels. Moreover, the welded fixing pieces 61 have good stability, are not easily detached, have a long service life, and also reduce the production cost. Only the fixing pieces 61 and the wheels 7 are needed. Compared with the detachable wheel frame in the prior art, there is no need to separately set an installation opening for installing the wheel frame, nor a detachable wheel frame with a complex structure; in this embodiment, the two support frames 6 are relatively close, so that the two wheels on the two support frames 6 form two-point support.

[0039] Front wheels 8 are respectively arranged at the front and rear ends of the right vehicle body 14. The two front wheels 8 are located outside the support frame 6, so that the two front wheels 8 and the two wheels on the support frame 6 can form four-point support, which is more stable when standing still and being pushed.

[0040] The front wheels 8 are universal wheels, which are convenient for the user to turn. A pull rod 9 is also hingedly installed on the right vehicle body 14, and the user moves the trolley through the pull rod 9.

[0041] In this embodiment, the trolley can also be sleeved with a cloth cover outside the vehicle body, so that the base forms a supporting effect on the cloth cover, and the items in the cloth cover are not easily dropped during transportation; and the base is divided into four areas by the two side reinforcing rods 5 and the middle support rod 3, making the supporting effect of the whole base better.

[0042] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A trolley, comprising a foldable body and a base arranged at the bottom of the body, the body comprising a front body (11) and a rear body (12), the base comprising a first base (21) and a second base (22), one end of the first base (21) and the second base (22) being hinged to each other, and the other end of the first base (21) and the second base (22) being hinged to the body, characterized in that: It also includes a support rod (3) hinged to the front vehicle body (11) and the rear vehicle body (12); the first base (21) and the second base (22) both include a square end (23) and a triangular end (24); the ends of the two triangular ends (24) are hinged to form a hinged end (25); the hinged end (25) is placed on the support rod (3); the square end (23) is hinged to the vehicle body; a reinforcing rod (5) is transversely fixed between the square end (23) and the triangular end (24).

2. A trolley according to claim 1, characterized in that: The reinforcing rod (5) is close to the bottom of the triangular end (24); the ratio of the length of the square end (23) to the length of the triangular end (24) is 2:1 to 1:

2.

3. A trolley according to claim 1, characterized in that: The first base (21) and the second base (22) are both formed by bending two rods, and the ends of the triangular ends (24) extend outwards to form connecting parts (26), and each connecting part (26) is hinged to each other via a hinge shaft (4).

4. A trolley according to claim 3, characterized in that: The connection portion (26) of the first base (21) is located outside the connection portion (26) of the second base (22).

5. A trolley according to claim 1 or 2 or 3 or 4, characterized in that: The vehicle body further comprises a left vehicle body (13) and a right vehicle body (14); two support frames (6) are fixed to the bottom of the left vehicle body (13); wheels (7) are mounted on the support frames (6); and the support frames (6) are arranged in the middle of the left vehicle body (13).

6. A trolley according to claim 5, characterized in that: The support frame (6) comprises two fixing plates (61), one end of each of the two fixing plates (61) being welded and fixed to the left vehicle body (13).

7. A trolley according to claim 5, characterized in that: Front wheels (8) are respectively arranged at the front and rear ends of the right vehicle body (14), and the two front wheels (8) are located outside the support frame (6).

8. A trolley according to claim 7, characterized in that: The front wheels (8) are universal wheels.

9. A trolley according to claim 5, characterized in that: The front vehicle body (11) and the rear vehicle body (12) each include a connecting rod 1 (15) having one end hinged to the left vehicle body (13), and a connecting rod 2 (16) having one end hinged to the right vehicle body (14). The connecting rod 1 (15) and the connecting rod 2 (16) are arranged crosswise, the other end of the connecting rod 1 (15) is hinged to the right vehicle body (14) via a connecting rod 3 (17), and the other end of the connecting rod 2 (16) is hinged to the left vehicle body (13) via a connecting rod 4 (18).

10. A trolley according to claim 9, characterized in that: The support rod (3) is hinged at the intersection of the first connecting rod (15) and the second connecting rod (16).

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