Material trolley with folding structure

Abstract

The utility model relates to the technical field of material trolleys, and discloses a material trolley with a folding structure, which comprises a bottom plate, a fixing block and a rotating column, the upper surface of the bottom plate is fixedly connected with a hollow plate, the outer wall of the hollow plate is fixedly connected with a U-shaped block, a circular groove is formed in the U-shaped block, and the rotating column is fixedly connected with the fixing block. And the outer wall of the fixing block is fixedly connected to the inner wall of the circular groove, a cross-shaped clamping groove is formed in one end of the rotating column, a sliding column is slidably connected to the interior of the fixing block, and a moving block is fixedly connected to the outer wall of the sliding column. According to the storage device, the storage plate is unfolded from a folded state to a used state, and then the sliding columns are not pulled any more, so that the springs in a contracted state rebound and reset to push the moving blocks to drive the cross clamping blocks to slide into the inner walls of the cross clamping grooves, the rotating columns are limited, and then the storage plate is limited; the space layout can be flexibly adjusted according to the actual shape, size and number of the materials, and the space utilization rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to material car technical field especially material trolley with folding structure. BACKGROUND

[0002] The material trolley with folding structure is a transport tool innovatively designed on the basis of the traditional material transport trolley, and its main feature is that the body structure adopts a foldable design mode.

[0003] The material trolley in the prior art has the folding function but lacks flexibility, and it is difficult to adaptively adjust the space according to the actual shape, size and quantity of the material, the space utilization efficiency is not high, and the overall efficiency and economy of the material transportation and storage are affected. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a material trolley with folding structure, which aims at improving the problems in the prior art that lack flexibility, it is difficult to adaptively adjust the space according to the actual shape, size and quantity of the material, the space utilization efficiency is not high, and the overall efficiency and economy of the material transportation and storage are affected.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The material trolley with folding structure comprises a bottom plate, a fixed block and a rotating column, the upper surface of the bottom plate is fixedly connected with a hollow plate, the outer wall of the hollow plate is fixedly connected with a U-shaped block, the inside of the U-shaped block is provided with a circular groove, the outer wall of the fixed block is fixedly connected with the inner wall of the circular groove, one end of the rotating column is provided with a cross-shaped clamping groove, the inside of the fixed block is slidably connected with a sliding column, the outer wall of the sliding column is fixedly connected with a moving block, the outer wall of the moving block is slidably connected with the inner wall of the circular groove, the end of the moving block away from the sliding column is fixedly connected with a cross-shaped clamping block, the outer wall of the cross-shaped clamping block is slidably connected with the inner wall of the cross-shaped clamping groove, the outer wall of the sliding column is slidably connected with a spring, one end of the spring is fixedly connected with the end of the moving block away from the cross-shaped clamping block, the other end of the spring is fixedly connected with the end of the fixed block close to the moving block, the outer wall of the rotating column is fixedly connected with a placing plate, and the inner wall of the U-shaped block is provided with a limiting assembly.

[0007] Preferably, the limiting assembly comprises a limiting block one, an outer wall of the limiting block one is fixedly connected to an inner wall of the U-shaped block, an inner portion of the limiting block one is rotatably connected to a limiting ring one, and an inner wall of the limiting ring one is fixedly connected to an outer wall of the rotating column.

[0008] Preferably, an inner wall of the hollow plate is slidably connected to an adjusting plate, an upper surface of the adjusting plate is fixedly connected to a fixed plate, and an outer wall of the fixed plate is fixedly connected to an internally-threaded block.

[0009] Preferably, an outer wall of the fixed plate is fixedly connected to a handle.

[0010] Preferably, an outer wall of the fixed plate is fixedly connected to a handle.

[0011] Preferably, an inner portion of the bottom plate is rotatably connected to a worm, and an outer wall of the worm is fixedly connected to a hand wheel.

[0012] Preferably, an outer wall of the worm is meshingly connected to a worm wheel, an inner wall of the worm wheel is fixedly connected to a lead screw, an outer wall of the lead screw is rotatably connected to an inner portion of the bottom plate, an outer wall of the lead screw is rotatably connected to an inner portion of the internally-threaded block, and an outer wall of the lead screw is fixedly connected to a limiting circular block.

[0013] Preferably, an outer wall of the hollow plate is fixedly connected to a limiting block two, an inner portion of the limiting block two is rotatably connected to a limiting ring two, and an inner wall of the limiting ring two is fixedly connected to an outer wall of the lead screw.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, the placing plate is unfolded from the folded state to the state of use, then the slide column is not pulled any more, the spring in the contracted state is reset to push the moving block to drive the cross clamping block to slide into the inner wall of the cross clamping groove to limit the rotating column and then limit the placing plate, and the space layout can be flexibly adjusted according to the actual shape, size and quantity of the materials, and the space utilization rate is improved.

[0016] 2. In the utility model, the lead screw is rotated in the inner portion of the internally-threaded block to drive the internally-threaded block to move upwards, then the internally-threaded block drives the adjusting plate to slide on the inner wall of the hollow plate through the fixed plate to move upwards, and the effect of adjusting the use height is achieved, the loading and unloading height of different materials can be adapted, multi-layer loading and unloading and storage are facilitated, and the operation convenience is improved. DRAWINGS

[0017] Figure 1 It is a perspective view of the material trolley with the folding structure provided by the utility model;

[0018] Figure 2 It is a U-shaped block internal structure sectional view of the material trolley with the folding structure provided by the utility model;

[0019] Figure 3 This is a partial structural diagram of the cross-shaped locking block of the material cart with a folding structure proposed in this utility model;

[0020] Figure 4 This is a cross-sectional view of the internal structure of the limiting block 2 of the material trolley with a foldable structure proposed in this utility model.

[0021] Figure 5 This is a partial structural diagram of the fixing plate of the material cart with a foldable structure proposed in this utility model.

[0022] Legend:

[0023] 1. Base plate; 2. Hollow plate; 3. U-shaped block; 4. Rotating column; 5. Cross slot; 6. Circular groove; 7. Fixing block; 8. Moving block; 9. Cross block; 10. Sliding column; 11. Spring; 12. Placement plate; 13. Limiting block one; 14. Limiting ring one; 15. Adjusting plate; 16. Fixing plate; 17. Handle; 18. Moving wheel; 19. Handwheel; 20. Worm gear; 21. Worm wheel; 22. Lead screw; 23. Internal thread block; 24. Limiting block two; 25. Limiting ring two; 26. Limiting circular block. Detailed Implementation

[0024] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] Reference Figure 1 - Figure 3The utility model provides a kind of embodiment: material trolley with folding structure, including bottom plate 1, fixed block 7 and rotating column 4, the upper surface of bottom plate 1 is fixedly connected with hollow plate 2, the outer wall of hollow plate 2 is fixedly connected with U-shaped block 3, the inside of U-shaped block 3 is equipped with round groove 6, the outer wall of fixed block 7 is fixedly connected in the inner wall of round groove 6, one end of rotating column 4 is equipped with cross slot 5, the inside of fixed block 7 is slidably connected with slide column 10, the outer wall of slide column 10 is fixedly connected with moving block 8, the outer wall of moving block 8 is slidably connected in the inner wall of round groove 6, the end of moving block 8 away from slide column 10 is fixedly connected with cross block 9, the outer wall of cross block 9 is slidably connected in the inner wall of cross slot 5, the outer wall of slide column 10 is slidably connected with spring 11, one end of spring 11 is fixedly connected in the end of moving block 8 away from cross block 9, the other end of spring 11 is fixedly connected in the end of fixed block 7 close to moving block 8, the outer wall of rotating column 4 is fixedly connected with placing plate 12, the inner wall of U-shaped block 3 is provided with limiting assembly;Limiting assembly includes limit block one 13, the outer wall of limit block one 13 is fixedly connected in the inner wall of U-shaped block 3, the inside of limit block one 13 is rotatably connected with limit ring one 14, the inner wall of limit ring one 14 is fixedly connected in the outer wall of rotating column 4;

[0026] Specifically, the hollow plate 2 can be fixed by the bottom plate 1, the U-shaped block 3 can be fixed by the hollow plate 2, and the cross block 9 and the rotating column 4 can be matched to ensure that the placing plate 12 can only rotate by 90 degrees, thereby ensuring the stability of the placing plate 12 in the folded and unfolded states, the spring 11 can push the moving block 8 and the cross block 9, and the spring 11 can also reset the cross block 9, when the placing plate 12 is not adjusted, the spring 11 continuously pushes the moving block 8 and the cross block 9 to be clamped in the inner wall of the cross slot 5, after the adjustment of the placing plate 12 is completed, the spring 11 in the retracted state rebounds to reset the moving block 8 and the cross block 9 to be clamped in the inner wall of the cross slot 5 opened at one end of the rotating column 4, the placing plate 12 is limited and fixed by limiting the rotating column 4, the placing plate 12 is used to place materials, and the rotating column 4 is limited by the limiting assembly, during the rotation of the rotating column 4 driven by the placing plate 12, the limit ring one 14 is rotated in the limit block one 13, and the rotating column 4 cannot be displaced during rotation.

[0027] Refer to Figure 4 The inner wall of the hollow plate 2 is slidably connected with an adjusting plate 15, the upper surface of the adjusting plate 15 is fixedly connected with a fixed plate 16, and the outer wall of the fixed plate 16 is fixedly connected with an internal thread block 23.

[0028] Specifically, the hollow plate 2 can provide an adjusted space for the adjusting plate 15, the adjusting plate 15 can play a fixing role on the fixed plate 16, and the fixed plate 16 can play a fixing role on the inner threaded block 23.

[0029] With reference to Figure 4 , the outer wall of the fixed plate 16 is fixedly connected with a handle 17; and the outer wall of the bottom plate 1 is rotatably connected with a moving wheel 18.

[0030] Specifically, the handle 17 and the moving wheel 18 can play a moving role on the bottom plate 1.

[0031] With reference to Figure 1 and Figure 4 , the inner part of the bottom plate 1 is rotatably connected with a worm 20, and the outer wall of the worm 20 is fixedly connected with a hand wheel 19; the outer wall of the worm 20 is meshingly connected with a worm gear 21, the inner wall of the worm gear 21 is fixedly connected with a lead screw 22, the outer wall of the lead screw 22 is rotatably connected in the inner part of the bottom plate 1, the outer wall of the lead screw 22 is rotatably connected in the inner part of the inner threaded block 23, and the outer wall of the lead screw 22 is fixedly connected with a limiting circular block 26; the outer wall of the hollow plate 2 is fixedly connected with a limiting block two 24, the inner part of the limiting block two 24 is rotatably connected with a limiting ring two 25, and the inner wall of the limiting ring two 25 is fixedly connected with the outer wall of the lead screw 22.

[0032] Specifically, the hand wheel 19 can play a rotating role on the worm 20, rotating the hand wheel 19 can promote the worm 20 to rotate in the inner part of the bottom plate 1, the worm 20 rotation can play a rotating role on the lead screw 22, the worm 20 rotation can drive the worm gear 21 to rotate and in turn make the lead screw 22 rotate in the inner part of the bottom plate 1 and the inner threaded block 23, the limiting ring two 25 and the limiting block two 24 can play a limiting role on the movement of the lead screw 22, when the lead screw 22 rotates, the lead screw 22 can drive the limiting ring two 25 to rotate in the inner part of the limiting block two 24, which can prevent the lead screw 22 from displacement during rotation, the rotation of the lead screw 22 can play a role in moving the fixed plate 16 upwards, the lead screw 22 rotates in the inner part of the inner threaded block 23 in turn makes the fixed plate 16 drive the adjusting plate 15 to move upwards and slide on the inner wall of the hollow plate 2, through the cooperation between the worm 20 and the worm gear 21, the height adjustment of the fixed plate 16 can have a certain self-locking property, that is, only the worm 20 can rotate to drive the worm gear 21 to rotate, but the worm gear 21 cannot drive the worm 20 to rotate, which can ensure the stability during use.

[0033] Working principle: in use, pull the slide post 10 to make the slide post 10 slide in the fixed block 7 and drive the moving block 8 to move outward, in the process of moving outward, the moving block 8 will slide in the inner wall of the U-shaped block 3 and drive the cross clamping block 9 to slide out from the cross clamping slot 5 in the end of the rotating column 4, at the same time, the spring 11 slides in the outer wall of the slide post 10 and is forced to contract, when the cross clamping block 9 slides out from the cross clamping slot 5, the placing plate 12 can be rotated by 90 degrees, so that the placing plate 12 is unfolded from the folded state to the used state, then the slide post 10 is not pulled any more, so that the spring 11 in the contracted state rebounds to reset and push the moving block 8 to drive the cross clamping block 9 to slide into the inner wall of the cross clamping slot 5 to limit the rotating column 4 and then limit the placing plate 12, the space layout can be flexibly adjusted according to the actual shape, size and quantity of the materials, the space utilization is improved, when the height used needs to be adjusted, the hand wheel 19 can be rotated, the hand wheel 19 rotates to drive the worm 20 to rotate in the inner wall of the bottom plate 1 and drive the worm wheel 21 to rotate, the worm wheel 21 rotates to drive the lead screw 22 to rotate in the bottom plate 1 and the inner threaded block 23 at the same time, and drive the limiting ring two 25 to rotate in the limiting block two 24, when the lead screw 22 rotates in the inner threaded block 23, the inner threaded block 23 is driven to move upward, so that the inner threaded block 23 drives the adjusting plate 15 to slide in the inner wall of the hollow plate 2 through the fixed plate 16 and moves upward, so as to achieve the effect of adjusting the height used, the loading and unloading height of different materials can be adapted, multi-layer loading and unloading and storage are facilitated, and the operation convenience is improved.

[0034] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A material trolley with a foldable structure, comprising a base plate (1), a fixing block (7) and a rotating column (4), characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a hollow plate (2), the outer wall of the hollow plate (2) is fixedly connected with a U-shaped block (3), the inside of the U-shaped block (3) is provided with a circular groove (6), the outer wall of the fixed block (7) is fixedly connected with the inner wall of the circular groove (6), one end of the rotating column (4) is provided with a cross-shaped clamping groove (5), the inside of the fixed block (7) is slidably connected with a sliding column (10), the outer wall of the sliding column (10) is fixedly connected with a moving block (8), the outer wall of the moving block (8) is slidably connected with the inner wall of the circular groove (6), the end of the moving block (8) away from the sliding column (10) is fixedly connected with a cross-shaped clamping block (9), the outer wall of the cross-shaped clamping block (9) is slidably connected with the inner wall of the cross-shaped clamping groove (5), the outer wall of the sliding column (10) is slidably connected with a spring (11), one end of the spring (11) is fixedly connected with the end of the moving block (8) away from the cross-shaped clamping block (9), the other end of the spring (11) is fixedly connected with the end of the fixed block (7) close to the moving block (8), the outer wall of the rotating column (4) is fixedly connected with a placing plate (12), the inner wall of the U-shaped block (3) is provided with a limiting assembly.

2. The material cart having a foldable structure of claim 1, wherein: The limiting assembly comprises a limiting block one (13), the outer wall of the limiting block one (13) is fixedly connected with the inner wall of the U-shaped block (3), the inside of the limiting block one (13) is rotatably connected with a limiting ring one (14), the inner wall of the limiting ring one (14) is fixedly connected with the outer wall of the rotating column (4).

3. The material cart having a foldable structure of claim 1, wherein: The inner wall of the hollow plate (2) is slidably connected with an adjusting plate (15), the upper surface of the adjusting plate (15) is fixedly connected with a fixed plate (16), the outer wall of the fixed plate (16) is fixedly connected with an internal thread block (23).

4. The material cart having a foldable structure of claim 3, wherein: The outer wall of the fixed plate (16) is fixedly connected with a handle (17).

5. The material cart having a foldable structure of claim 1, wherein: The outer wall of the bottom plate (1) is rotatably connected with a moving wheel (18).

6. The material cart having a foldable structure of claim 1, wherein: The inside of the bottom plate (1) is rotatably connected with a worm (20), the outer wall of the worm (20) is fixedly connected with a hand wheel (19).

7. The material cart having a foldable structure of claim 6, wherein: The outer wall of the worm (20) is meshingly connected with a worm wheel (21), the inner wall of the worm wheel (21) is fixedly connected with a lead screw (22), the outer wall of the lead screw (22) is rotatably connected with the inside of the bottom plate (1), the outer wall of the lead screw (22) is rotatably connected with the inside of the internal thread block (23), the outer wall of the lead screw (22) is fixedly connected with a limiting circular block (26).

8. The material cart having a foldable structure of claim 1, wherein: The outer wall of the hollow plate (2) is fixedly connected with a limiting block two (24), the inside of the limiting block two (24) is rotatably connected with a limiting ring two (25), the inner wall of the limiting ring two (25) is fixedly connected with the outer wall of the lead screw (22).

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