Double-layer trolley

Abstract

The utility model discloses a double-layer trolley which comprises a bottom plate, four moving wheels are fixedly connected to the bottom of the bottom plate, the four moving wheels are all universal wheels capable of being braked, lower guardrails are fixedly connected to the two sides of the top of the bottom plate, a vertical plate is fixedly connected to the side wall of the bottom plate, and the vertical plate is fixedly connected to the side wall of the bottom plate. Two connecting plates are fixedly connected to the side wall of the upper end of the vertical plate, a push rod is fixedly connected between the two connecting plates, two mounting plates are fixedly connected to the left side wall of the upper end of the vertical plate, a placing plate is rotatably connected between the two mounting plates through a rotating shaft, and a supporting plate is fixedly connected to the left side wall of the vertical plate. The bottom of the placing plate abuts against the side wall of the top of the supporting plate. Under the mutual cooperation of the hook, the push rod, the supporting rod, the placing plate and other components, the placing plate can be overturned and lifted, so that the placing plate is prevented from influencing the loading and unloading efficiency of objects on the lower-layer bottom plate, the operation is simple, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of trolleys, in particular to a double-layer trolley. Background Art

[0002] A trolley is a transport vehicle that is pushed and pulled by manpower. Although the material handling technology of trolleys continues to develop, trolleys are still used as an indispensable transport tool. They are very convenient for transporting lighter items over short distances and are widely used in material handling industries such as factories, office buildings, libraries, hotels, catering, logistics and transportation. Especially for the logistics and transportation industry, trolleys can greatly improve the convenience of cargo transportation.

[0003] For example, Chinese patent publication number CN220374558U discloses a double-layered trolley for logistics, wherein a lower storage platform is arranged above the plate frame of the trolley frame, an upper storage platform is sleeved on the outer side of the arm rods of the two sets of guide brackets, a blocking rod mechanism is installed at both the front and rear positions above the plate frame of the upper storage platform, and two sets of hoop rope mechanisms are installed in a symmetrical form on the front and rear sides of the plate frame of the upper storage platform. The utility model has a double cargo carrying characteristic by utilizing the double platform setting of the lower storage platform and the upper storage platform.

[0004] However, in the above solution, when placing items on the trolley, it is inconvenient to flip and lift the upper storage board, which affects the efficiency of loading and unloading items due to the obstruction of the upper storage table, and the convenience is not high. Utility Model Content

[0005] The utility model provides a double-layer trolley to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The camshaft is an angular trackchair of the embodiment of the present invention and is a pair of trackchairs which are adapted to move along the camshaft and to move along the trackchair to move along the trackchair.

[0008] As a further improvement of the technical solution: the supporting reinforcement device includes four support rods, and the four support rods are rotatably connected to the bottom side wall of the placement plate through a rotating shaft. The four support rods are arranged in groups of two on both sides of the bottom of the placement plate. Two sockets are provided on the tops of the two lower guardrails, and the bottoms of the four support rods are respectively located in the four sockets. Support rings are fixedly connected to the outer ring side walls of the four support rods, and the four support rings are respectively against the top side walls of the two lower guardrails. Four magnets are provided at the bottom of the placement plate, and the four support rods are made of iron material.

[0009] As a further improvement of the present technical solution: the two limiting devices include four pull ropes, and the four pull ropes are respectively fixedly connected to the side walls at both ends of the top of the two baffles, one end of the four pull ropes are fixedly connected to a hanging ring, and one end of the two lower guardrails and the top of the two upper guardrails are fixedly connected to an L-shaped hanging rod, and the four hanging rings are respectively mounted on the outer ring side walls of the four L-shaped hanging rods.

[0010] As a further improvement of the technical solution: the four pull ropes are all arranged with steel wire ropes.

[0011] As a further improvement of the technical solution: a strap is provided on the top of the upper guardrail, one end of the strap is fixedly connected to a hook, and the hook is adapted to the push rod.

[0012] As a further improvement of the technical solution: a rubber pad is provided on the side wall of the outer ring of the push rod.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the device can flip and lift the placement plate through the mutual cooperation of the hook, push rod, support rod, placement plate and other components, thereby avoiding the placement plate affecting the loading and unloading efficiency of items on the lower bottom plate. The operation is simple and the practicality is high.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of a double-layer trolley proposed by the utility model;

[0017] Figure 2 This is a schematic structural diagram of a double-layer trolley proposed by the utility model after the front placement plate is lifted;

[0018] Figure 3 for Figure 1 Schematic diagram of the locally enlarged structure of A in the middle.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Bottom plate; 2. Moving wheel; 3. Support rod; 4. Socket; 5. Baffle; 6. L-shaped hanging rod; 7. Upper guardrail; 8. Placement plate; 9. Magnet; 10. Binding strap; 11. Hook; 12. Mounting plate; 13. Connecting plate; 14. Push rod; 15. Support plate; 16. Vertical plate; 17. Lower guardrail; 18. Pull rope; 19. Hanging ring; 20. Support ring. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0022] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] See also Figure 1-3In the embodiment of the utility model, a double-layer trolley includes a bottom plate 1, four moving wheels 2 are fixedly connected to the bottom of the bottom plate 1, and the four moving wheels 2 are all set with brakeable universal wheels. Lower guardrails 17 are fixedly connected to both sides of the top of the bottom plate 1, and the side walls of the bottom plate 1 are fixedly connected to vertical plates 16. The upper side walls of the vertical plates 16 are fixedly connected to two connecting plates 13, and a push rod 14 is fixedly connected between the two connecting plates 13. Two mounting plates 12 are fixedly connected to the left side wall of the upper end of the vertical plates 16, and a placement plate 8 is rotatably connected between the two mounting plates 12 through a rotating shaft. The left side wall of the vertical plates 16 is fixedly connected to a supporting plate 15, and the bottom of the placement plate 8 is against the top side wall of the supporting plate 15. Upper guardrails 7 are fixedly connected to both sides of the top of the placement plate 8. A supporting reinforcement device is provided at the bottom of the placement plate 8, and baffles 5 are rotatably connected to the left sides of the bottom plate 1 and the top of the placement plate 8, and limit devices are provided on the tops of the two baffles 5.

[0025] See also Figure 1-3 The supporting and reinforcing device includes four supporting rods 3, which are rotatably connected to the bottom side walls of the placement plate 8 through a rotating shaft. The four supporting rods 3 are arranged in groups of two on both sides of the bottom of the placement plate 8. Two plug holes 4 are provided on the tops of the two lower guardrails 17. The bottoms of the four supporting rods 3 are respectively located in the four plug holes 4. Support rings 20 are fixedly connected to the outer ring side walls of the four supporting rods 3. The four support rings 20 are respectively against the top side walls of the two lower guardrails 17. Four magnets 9 are provided at the bottom of the placement plate 8. The four supporting rods 3 are all made of iron material. The placement plate 8 is rotated to insert the four threes into the four plug holes 4, so that the placement plate 8 is supported and reinforced by the four supporting rods 3, thereby improving the stability of the placement plate 8 and shielding the objects on the top of the bottom plate 1.

[0026] See also Figure 1-3 The two limiting devices include four pull ropes 18, and the four pull ropes 18 are respectively fixedly connected to the side walls at both ends of the top of the two baffles 5. One end of the four pull ropes 18 is fixedly connected to a hanging ring 19. One end of the top of the two lower guardrails 17 and the two upper guardrails 7 is fixedly connected to an L-shaped hanging rod 6. The four hanging rings 19 are respectively sleeved on the outer ring side walls of the four L-shaped hanging rods 6. By sleeved the hanging rings 19 on the outer ring side walls of the L-shaped hanging rods 6, the baffle 5 can be limited and fixed.

[0027] See also Figure 1-3 The four pull ropes 18 are all made of steel wire ropes, which increases the strength of the pull ropes 18 and improves the service life of the pull ropes 18.

[0028] See also Figure 1-2A strap 10 is provided on the top of the upper guardrail 7, and a hook 11 is fixedly connected to one end of the strap 10. The hook 11 is adapted to the push rod 14. When the placement plate 8 is rotated and lifted, the hook 11 can be hooked on the outer ring side wall of the push rod 14, thereby limiting the placement plate 8 and preventing the placement plate 8 from rotating automatically.

[0029] See also Figure 1 A rubber pad is provided on the side wall of the outer ring of the push rod 14, and the comfort when pushing the push rod 14 can be improved by providing the rubber pad.

[0030] The working principle of the utility model is as follows: when it is necessary to place an item on the trolley, the hanging ring 19 is lifted up to make the hanging ring 19 detach from the outer ring side wall of the L-shaped hanging rod 6, the baffle plate 5 can be rotated to open the baffle plate 5, and then the placement plate 8 is rotated, the placement plate 8 drives the four support rods 3 to move, so that the four support rods 3 are detached from the four insertion holes 4, and the side wall of the placement plate 8 is pressed against the side wall of the vertical plate 16, so that the placement plate 8 is inclined, and the support rods 3 can be adsorbed and fixed by the provided magnet 9, so that the placement plate 8 is rotated and lifted, so that it is convenient to place the item on the top of the bottom plate 1, and then Hooking the hook 11 on the outer ring side wall of the push rod 14 can limit the placement plate 8, thereby preventing the placement plate 8 from rotating by itself. After the placement on the top of the base plate 1 is completed, the hook 11 is removed, and the four support rods 3 are rotated to make the four support rods 3 separate from the side walls of the magnet 9, and then the placement plate 8 is rotated, and the four threes are inserted into the four sockets 4, so that the placement plate 8 is supported and reinforced by the four support rods 3, thereby improving the stability of the placement plate 8, and can also cover the objects on the top of the base plate 1, and then by opening the baffle 5 on the top of the placement plate 8, the objects can be placed on the top of the placement plate 8.

[0031] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A double-layer trolley, comprising a bottom plate (1), characterized in that: The bottom of the base plate (1) is fixedly connected to four moving wheels (2), and the four moving wheels (2) are all brakeable universal wheels. The top of the base plate (1) is fixedly connected to lower guardrails (17) on both sides. The side wall of the base plate (1) is fixedly connected to a vertical plate (16). The upper side wall of the vertical plate (16) is fixedly connected to two connecting plates (13). A push rod (14) is fixedly connected between the two connecting plates (13). The upper left side wall of the vertical plate (16) is fixedly connected to two mounting plates (12). A placement plate (8) is rotatably connected between the two mounting plates (12) via a rotating shaft, a support plate (15) is fixedly connected to the left side wall of the vertical plate (16), the bottom of the placement plate (8) abuts against the top side wall of the support plate (15), upper guardrails (7) are fixedly connected to both sides of the top of the placement plate (8), a supporting reinforcement device is provided at the bottom of the placement plate (8), and baffles (5) are rotatably connected to the left side of the bottom plate (1) and the top of the placement plate (8), and limiting devices are provided on the tops of the two baffles (5).

2. A double-layer trolley according to claim 1, characterized in that: The support reinforcement device comprises four support rods (3), the four support rods (3) are rotatably connected to the bottom side wall of the placement plate (8) through a rotating shaft, the four support rods (3) are arranged in groups of two on both sides of the bottom of the placement plate (8), the tops of the two lower guardrails (17) are provided with two insertion holes (4), the bottoms of the four support rods (3) are respectively located in the four insertion holes (4), the outer ring side walls of the four support rods (3) are fixedly connected with support rings (20), the four support rings (20) are respectively against the top side walls of the two lower guardrails (17), four magnets (9) are arranged at the bottom of the placement plate (8), and the four support rods (3) are all made of iron material.

3. A double-layer trolley according to claim 1, characterized in that: The two limiting devices include four pull ropes (18), the four pull ropes (18) are respectively fixedly connected to the side walls at both ends of the top of the two baffles (5), one end of the four pull ropes (18) is fixedly connected to a hanging ring (19), one end of the top of the two lower guardrails (17) and the two upper guardrails (7) is fixedly connected to an L-shaped hanging rod (6), and the four hanging rings (19) are respectively sleeved on the outer ring side walls of the four L-shaped hanging rods (6).

4. A double-layer trolley according to claim 3, characterized in that: The four pull ropes (18) are all made of steel wire ropes.

5. A double-layer trolley according to claim 1, characterized in that: A binding strap (10) is provided on the top of the upper guardrail (7), one end of the binding strap (10) is fixedly connected to a hook (11), and the hook (11) is compatible with the push rod (14).

6. A double-layer trolley according to claim 1, characterized in that: A rubber pad is provided on the outer ring side wall of the push rod (14).

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