Transport trolley with folding function

Abstract

This utility model discloses a folding transport trolley, which includes a bidirectional threaded rod. One end of the bidirectional threaded rod is fixedly connected to a rotating disk. A first limiting block is rotatably connected to the outer surface of the end of the bidirectional threaded rod near the rotating disk. A second limiting post is fixedly connected to the lower surface of the first limiting block. Two first sliding posts are slidably connected to the two ends inside the second limiting post. This utility model utilizes the bidirectional threaded rod to perform threaded transmission with the first and second fixed blocks respectively, driving the first and second fixed blocks to move towards the middle position. At this time, the first and second connecting rods rotate around the connection point with the connecting block, pushing the two support frames to move to both sides, so that the two first sliding posts and the two second sliding posts slide inside the second and first limiting posts respectively, thereby adjusting the width of the device to adapt to use in reserved channels of various widths.

Description

Technical Field

[0001] This utility model relates to a transport trolley, specifically a transport trolley with a folding function. Background Technology

[0002] In agricultural planting, especially in the cultivation of edible fungi, in order to obtain a larger planting area, the reserved walking passages are usually relatively narrow, which requires the tools used to be wide enough to accommodate the reserved passages.

[0003] However, existing transport trolleys are usually of a fixed width, so different widths of trolleys need to be prepared to cope with reserved roads of different widths. This greatly increases the user's cost, thus leading to the proposal of transport trolleys with folding function. Utility Model Content

[0004] To address the shortcomings of existing technologies where trolleys are typically of a fixed width, thus requiring the preparation of trolleys of different widths to meet the needs of use on reserved roads of varying widths, which greatly increases the user's operating costs, this utility model provides a transport trolley with a folding function.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model relates to a folding transport trolley, comprising a bidirectional threaded rod. One end of the bidirectional threaded rod is fixedly connected to a rotating disk. A first limiting block is rotatably connected to the outer surface of the end of the bidirectional threaded rod near the rotating disk. A second limiting post is fixedly connected to the lower surface of the first limiting block. Two first sliding pillars are slidably connected to the two ends of the interior of the second limiting post. A second limiting block is rotatably connected to the outer surface of the end of the bidirectional threaded rod away from the first limiting block. A first limiting post is fixedly connected to the lower surface of the second limiting block. Two second sliding pillars are slidably connected to the interior of the first limiting post. A wheel is fixedly connected to one end of each of the two second sliding pillars. The outer surfaces of the two second sliding pillars are evenly distributed... The two supports are rotatably connected to the outer surfaces of the two first sliding columns at the ends of the two supports away from the second sliding column. A connecting block is fixedly connected to one side of each of the two supports. A first fixing block is threadedly connected to the outer surface of one end of the bidirectional threaded rod. Two first connecting rods are rotatably connected inside the first fixing block. The ends of the two first connecting rods away from the first fixing block are rotatably connected to the interior of the connecting block. A second fixing block is threadedly connected to the outer surface of the other end of the bidirectional threaded rod. Two second connecting rods are rotatably connected inside the second fixing block. The ends of the two second connecting rods away from the second fixing block are rotatably connected to the interior of the two connecting blocks.

[0007] As a preferred embodiment of this utility model, a connecting rod is fixedly connected to the upper surface of the second limiting block, and a plurality of limiting sleeves arranged linearly are fixedly connected to the upper surface of the connecting rod.

[0008] As a preferred embodiment of this utility model, each of the two support frames is fixedly connected to one side with a plurality of linearly arranged sliding rods.

[0009] As a preferred embodiment of this utility model, the outer surface of the slide rod is slidably connected to the inner wall of the limiting sleeve.

[0010] As a preferred technical solution of this utility model, a handle is fixedly connected to the upper surface of the limiting sleeve on the left side.

[0011] As a preferred embodiment of this utility model, each of the two support frames is provided with a caster wheel on the lower surface of one end.

[0012] The beneficial effects of this utility model are as follows: This folding transport trolley first rotates the rotating disk, which drives the bidirectional threaded rod to rotate. The bidirectional threaded rod rotates under the limiting action of the first limiting block and the second limiting block, and respectively engages in threaded transmission with the first fixed block and the second fixed block, driving the first fixed block and the second fixed block to move towards the middle position. At this time, the first connecting rod and the second connecting rod rotate around the connection point with the connecting block, pushing the two support frames to move to both sides, so that the two first sliding columns and the two second sliding columns slide inside the second limiting column and the first limiting column respectively, thereby adjusting the width of the device to adapt to the use of the device in reserved channels of various widths. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0014] Figure 1 This is a schematic diagram of the structure of the folding transport trolley of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the folding transport trolley connecting rod of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the first fixing block of the folding transport trolley of this utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the folding-function transport trolley limiting sleeve of this utility model;

[0018] Figure 5This utility model is a transport trolley with a folding function. Figure 2 A schematic diagram of the structure at point A in the middle.

[0019] In the diagram: 1. First sliding column; 2. Support frame; 3. Limiting sleeve; 4. Handle; 5. Rotating disc; 6. First limiting block; 7. Caster wheel; 8. Connecting block; 9. First connecting rod; 10. Second connecting rod; 11. Bidirectional threaded rod; 12. First limiting post; 13. First fixing block; 14. Second fixing block; 15. Second limiting block; 16. Connecting rod; 17. Wheel; 18. Second sliding column; 19. Sliding rod; 20. Second limiting post. Detailed Implementation

[0020] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0021] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the present invention relates to a folding transport trolley, comprising a bidirectional threaded rod 11, one end of which is fixedly connected to a rotating disk 5. A first limiting block 6 is rotatably connected to the outer surface of the end of the bidirectional threaded rod 11 near the rotating disk 5. A second limiting post 20 is fixedly connected to the lower surface of the first limiting block 6. Two first sliding posts 1 are slidably connected to the two ends inside the second limiting post 20. A second limiting block 15 is rotatably connected to the outer surface of the end of the bidirectional threaded rod 11 away from the first limiting block 6. The lower surface of the second limiting block 15 is fixedly connected to the first limiting block 6. A first limiting post 12 is fixedly connected, and two second sliding posts 18 are slidably connected inside the first limiting post 12. A wheel 17 is fixedly connected to one end of each of the two second sliding posts 18. A support frame 2 is rotatably connected to the outer surface of each of the two second sliding posts 18. The interior of the end of each support frame 2 away from the second sliding post 18 is rotatably connected to the outer surface of each of the two first sliding posts 18. A connecting block 8 is fixedly connected to one side of each of the two support frames 2. A first fixing block 13 is threadedly connected to the outer surface of one end of a bidirectional threaded rod 11. The fixed block 13 has two first connecting rods 9 internally rotatably connected. The ends of the two first connecting rods 9 away from the first fixed block 13 are rotatably connected to the interior of the connecting block 8. The outer surface of the other end of the bidirectional threaded rod 11 is threadedly connected to a second fixed block 14. The interior of the second fixed block 14 has two second connecting rods 10 internally rotatably connected. The ends of the two second connecting rods 10 away from the second fixed block 14 are rotatably connected to the interior of the two connecting blocks 8. By rotating the rotating disk 5, the bidirectional threaded rod 11 rotates under the limiting action of the first limiting block 6 and the second limiting block 15. At this time, the first fixed block 13 and the second fixed block 14 perform threaded transmission on the surface of the bidirectional threaded rod 11, causing the first fixed block 13 and the second fixed block 14 to move towards the middle position. The first connecting rod 9 rotates around the connection point with the connecting block 8, causing the two support frames 2 to move away from each other. This pushes the two second sliding columns 18 and the two first sliding columns 1 to slide inside the first limiting column 12 and the second limiting column 20 respectively, thereby widening the width of the device to accommodate reserved channels of different widths for cargo transfer.

[0022] The upper surface of the second limiting block 15 is fixedly connected to a connecting rod 16, and the upper surface of the connecting rod 16 is fixedly connected to a plurality of linearly arranged limiting sleeves 3. The limiting sleeves 3 serve to limit the connection between the two sliding rods 19.

[0023] Among them, each of the two support frames 2 has a number of linearly arranged sliding rods 19 fixedly connected to one side, which serve to support and connect the second sliding column 18.

[0024] The outer surface of the slide rod 19 is slidably connected to the inner wall of the limiting sleeve 3, and the slide rod 19 serves to support the position of the connecting limiting sleeve 3.

[0025] The upper surface of the left limiting sleeve 3 is fixedly connected to a handle 4, which facilitates the control of the movement direction of the device.

[0026] Among them, the lower surface of one end of each of the two support frames 2 is provided with casters 7, which facilitate the movement of the device.

[0027] During operation, the rotating disk 5 is first rotated, which drives the bidirectional threaded rod 11 to rotate. The first fixing block 13 and the second fixing block 14, which are threadedly connected to the surface of the bidirectional threaded rod 11, are threadedly driven, causing the first fixing block 13 and the second fixing block 14 to move closer to each other. Then, the first connecting rod 9 and the second connecting rod 10 are driven to rotate around the connecting block 8, pushing the two support frames 2 away from each other. This causes the two second sliding columns 18 to slide to both ends inside the first limiting column 12, allowing the device to adjust its width according to the width of the reserved road. At the same time, under the limiting action of the connecting rod 16, the two sliding rods 19 inside the limiting sleeve 3 slide to both sides under the drive of the two support frames 2, which increases the load-bearing area of ​​the device.

[0028] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A transport trolley with a folding function, comprising a bidirectional threaded rod (11), characterized in that, One end of the bidirectional threaded rod (11) is fixedly connected to a rotating disk (5). A first limiting block (6) is rotatably connected to the outer surface of the end of the bidirectional threaded rod (11) near the rotating disk (5). A second limiting post (20) is fixedly connected to the lower surface of the first limiting block (6). Two first sliding posts (1) are slidably connected to the two ends inside the second limiting post (20). A second limiting block (15) is rotatably connected to the outer surface of the end of the bidirectional threaded rod (11) away from the first limiting block (6). A first limiting post (12) is fixedly connected to the lower surface of the second limiting block (15). Two second sliding posts (18) are slidably connected to the inside of the first limiting post (12). A wheel (17) is fixedly connected to one end of each of the two second sliding posts (18). A support frame (2) is rotatably connected to the outer surface of each of the two second sliding posts (18). The interior of the two support frames (2) at the ends away from the second sliding column (18) is rotatably connected to the outer surfaces of the two first sliding columns (1). A connecting block (8) is fixedly connected to one side of each of the two support frames (2). A first fixing block (13) is threadedly connected to the outer surface of one end of the bidirectional threaded rod (11). Two first connecting rods (9) are rotatably connected inside the first fixing block (13). The ends of the two first connecting rods (9) away from the first fixing block (13) are rotatably connected to the interior of the connecting block (8). A second fixing block (14) is threadedly connected to the outer surface of the other end of the bidirectional threaded rod (11). Two second connecting rods (10) are rotatably connected inside the second fixing block (14). The ends of the two second connecting rods (10) away from the second fixing block (14) are rotatably connected to the interior of the two connecting blocks (8).

2. The transport trolley with folding function according to claim 1, characterized in that, The upper surface of the second limiting block (15) is fixedly connected to a connecting rod (16), and the upper surface of the connecting rod (16) is fixedly connected to a plurality of limiting sleeves (3) arranged in a linear pattern.

3. The transport trolley with folding function according to claim 1, characterized in that, Each of the two support frames (2) has a number of linearly arranged slide rods (19) fixedly connected to one side.

4. The transport trolley with folding function according to claim 3, characterized in that, The outer surface of the slide rod (19) is slidably connected to the inner wall of the limiting sleeve (3).

5. The transport trolley with folding function according to claim 4, characterized in that, A handle (4) is fixedly connected to the upper surface of the limiting sleeve (3) on the left.

6. The transport trolley with folding function according to claim 1, characterized in that, The lower surface of one end of each of the two support frames (2) is provided with casters (7).

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