Expandable lifting platform

Abstract

The utility model relates to the technical field of extensible lifting platforms, and discloses an extensible lifting platform which comprises a square plate and a disc, sliding rails are fixedly connected to the left side and the right side of the top wall of the square plate, sliding blocks are slidably connected to the inner walls of the sliding rails, concave plates are fixedly connected to the tops of the sliding blocks, and the concave plates are fixedly connected to the left side and the right side of the top wall of the square plate. Telescopic columns are fixedly connected to the front side and the rear side of the top wall of the disc, convex plates are fixedly connected to the top walls of the telescopic columns, a long strip is fixedly connected to the bottom wall of the disc, second connecting columns are rotatably connected to the front end and the rear end of the long strip, a support is fixedly connected to the top walls of the second connecting columns, and a first connecting column is rotatably connected to the tail end of the support; the first connecting column is fixedly connected with the concave plate. According to the utility model, the rotary convex disc is rotated to drive the bracket below to expand, the bracket ejects the concave disc out, and then the telescopic column is arranged below, so that the convex disc can be adjusted to be as high as the concave disc, and the overall area is further expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of expandable lifting platforms, in particular to an expandable lifting platform. Background Art

[0002] The expandable lifting platform is an innovative device with broad application prospects in many fields. The height and area of the platform can be flexibly adjusted according to different work requirements.

[0003] When the platform needs to be raised, the lifting mechanism is activated to lift the platform body to the required height. If the platform area needs to be expanded, the expansion mechanism can be operated to expand the platform horizontally to meet different usage requirements.

[0004] The existing expandable lifting platform's extended functions require additional mechanical structures and drive devices, electric telescopic rods, and gear rack expansion components. The addition of these components makes the overall mechanical structure more complex and the probability of failure increases accordingly. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an expandable lifting platform, which aims to improve the problem in the prior art that an additional driving device is required and malfunctions are prone to occur.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an expandable lifting platform, including a square plate and a circular disc, the left and right sides of the top wall of the square plate are fixedly connected to sliding rails, the inner wall of the sliding rails is slidably connected to a slider, the top of the slider is fixedly connected to a concave plate, the front and rear sides of the top wall of the circular disc are fixedly connected to telescopic columns, the top wall of the telescopic column is fixedly connected to a convex plate, the bottom wall of the circular disc is fixedly connected to a long strip, the front and rear ends of the long strip are rotatably connected to connecting column 2, the top wall of connecting column 2 is fixedly connected to a bracket, the end of the bracket is rotatably connected to connecting column 1, the connecting column 1 is fixedly connected to the concave plate, the four corners of the square plate are fixedly connected to hollow blocks, the bottom wall of the square plate is fixedly connected to a lifting mechanism, and the lifting mechanism is used to adjust the height of the platform.

[0007] As a further description of the above technical solution:

[0008] The lifting mechanism includes a long plate, which is arranged on the lower side of the square plate, and a connecting plate is fixedly connected to the middle and upper side of the outer wall of the long plate, and the front side of the outer wall of the long plate is fixedly connected to the support plate, and the top wall of the support plate is fixedly connected to the motor, and the output end of the motor is fixedly connected to the worm. A hollow column is provided on the right side of the long plate, and the inner wall of the hollow column is rotatably connected to a threaded rod, and the middle part of the threaded rod is fixedly connected to a worm gear, and the worm gear is meshed with the worm, and the upper side of the outer wall of the threaded rod is threadedly connected to a cylinder.

[0009] As a further description of the above technical solution:

[0010] The front and rear sides of the top wall of the convex plate are both fixedly connected with circular plates, and the top of the circular plate is fixedly connected with a handle.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the handle is provided with an anti-slip sleeve, and the anti-slip sleeve is engaged with the handle.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the hollow block is fixedly connected with a connecting cylinder, and the outer side of the connecting cylinder is fixedly connected with a hook.

[0015] As a further description of the above technical solution:

[0016] The bottom wall of the square plate is fixedly connected with a box, and a closing plate is installed on the front side of the box.

[0017] As a further description of the above technical solution:

[0018] The inner wall of the hollow block is slidably connected to a table corner, and the bottom end of the table corner is fixedly connected to an anti-slip pad.

[0019] As a further description of the above technical solution:

[0020] The right side of the box is fixedly connected with a manipulator, and the manipulator is electrically connected to the motor.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, the bracket below is expanded by rotating the convex disc, and the bracket pushes out the concave disc. Then, a telescopic column is provided below to adjust the convex disc to the same height as the concave disc, thereby further expanding the overall area.

[0023] 2. In the present invention, a lifting mechanism is provided on the lower side of the square plate. By controlling the motor, the screw and the worm gear are driven to rotate, so that the threaded rod and the cylinder drive the upper square plate to rise and fall through the rotation of the thread, thereby realizing the lifting movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of an expandable lifting platform proposed in the present utility model;

[0025] Figure 2 This is a side view of an expandable lifting platform proposed in the utility model;

[0026] Figure 3 This is a partial structural breakdown diagram of an expandable lifting platform proposed in the utility model;

[0027] Figure 4 This is an exploded view of the local structure of an expandable lifting platform proposed in the utility model;

[0028] Figure 5 This is a disassembled diagram of the lifting mechanism of an expandable lifting platform proposed in the utility model.

[0029] Legend:

[0030] 1. Square plate; 2. Lifting mechanism; 201. Long plate; 202. Motor; 203. Worm; 204. Hollow column; 205. Threaded rod; 206. Worm gear; 207. Cylinder; 208. Connecting plate; 209. Support plate; 3. Sliding track; 4. Slider; 5. Concave plate; 6. Long strip; 7. Bracket; 8. Connecting column one; 9. Disc; 10. Telescopic column; 11. Convex plate; 12. Round plate; 13. Handle; 14. Anti-slip cover; 15. Hollow block; 16. Table corner; 17. Anti-slip pad; 18. Connecting cylinder; 19. Hook; 20. Closing plate; 21. Box; 22. Controller; 23. Connecting column two. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 、 Figure 3 and Figure 4The utility model provides an embodiment: an expandable lifting platform, including a square plate 1 and a disc 9, the left and right sides of the top wall of the square plate 1 are fixedly connected with sliding rails 3, the inner wall of the sliding rail 3 is slidably connected with a slider 4, the top of the slider 4 is fixedly connected with a concave plate 5, and the concave plate 5 achieves the effect of moving back and forth through the slider 4 and the sliding rail 3. Telescopic columns 10 are fixedly connected to the front and rear sides of the top wall of the disc 9, and the top wall of the telescopic column 10 is fixedly connected with a convex plate 11. The telescopic column 10 can adjust the convex plate 11 to a certain height. The bottom wall of the disc 9 is fixedly connected with a long strip 6, and the front and rear ends of the long strip 6 are rotatably connected to the connecting column 23, the top wall of the connecting column 23 is fixedly connected to the bracket 7, the end of the bracket 7 is rotatably connected to the connecting column 1 8, the connecting column 1 8 is fixedly connected to the concave plate 5, the concave plate 5 and the disc 9 are connected through the bracket 7, the four corners of the square plate 1 are fixedly connected to the hollow blocks 15, the bottom wall of the square plate 1 is fixedly connected to the lifting mechanism 2, the lifting mechanism 2 is used to adjust the height of the platform, the front and rear sides of the top wall of the convex plate 11 are fixedly connected to the circular plate 12, the top of the circular plate 12 is fixedly connected to the handle 13, the handle 13 can make the rotation operation more convenient, the outer wall of the handle 13 is provided with an anti-slip sleeve 14, the anti-slip sleeve 14 is engaged with the handle 13;

[0033] Specifically, when the expandable lifting platform is expanded, the convex plate 11 is first rotated. When the convex plate 11 starts to rotate, it will effectively drive the telescopic column 10 below it to rotate together. A disc 9 is tightly connected to the bottom of the telescopic column 10. This disc 9 has considerable stability. On the lower side of the disc 9, a long strip 6 is firmly fixedly connected. A connecting column 8 is provided on each side of the long strip 6. These connecting columns 8 are tightly connected to the bracket 7. The bracket 7 has a certain strength and supporting force. Its end is connected to the concave plate 5, and the lower side of the concave plate 5 is fixedly connected. Along the sliding track 3, when the long strip 6 rotates, it will forcefully drive the bracket 7 to gradually expand outward. Under the influence of the bracket 7, the concave plate 5 will also move outward. At the same time, due to the existence of the sliding track 3, the concave plate 5 will expand strictly in the direction of the track under its action. In this way, the expansion operation is successfully achieved, and the entire expansion process is relatively simple and convenient. A handle 13 is installed on the convex plate 11. The handle 13 can make the operation of rotating the convex plate 11 easier. The handle 13 is provided with an anti-slip cover 14, which can increase friction during rotation to prevent slipping.

[0034] Reference Figure 1 、 Figure 2 and Figure 5The lifting mechanism 2 includes a long plate 201, which is arranged on the lower side of the square plate 1. A connecting plate 208 is fixedly connected to the upper middle side of the outer wall of the long plate 201. A support plate 209 is fixedly connected to the front side of the outer wall of the long plate 201. The top wall of the support plate 209 is fixedly connected to the motor 202. The support plate 209 fixes the motor 202. The output end of the motor 202 is fixedly connected to the worm 203. A hollow column 204 is provided on the right side of the long plate 201. The inner wall of the hollow column 204 is rotatably connected to the threaded rod 205. The hollow column 204 fixes the threaded rod 2 05 is rotated and fixed, the middle part of the threaded rod 205 is fixedly connected to a worm gear 206, the worm gear 206 is meshed with the worm 203, the upper side of the outer wall of the threaded rod 205 is threadedly connected to a cylinder 207, and the cylinder 207 moves up and down through the rotation of the threaded rod 205, the outer wall of the hollow block 15 is fixedly connected to a connecting cylinder 18, and the outer side of the connecting cylinder 18 is fixedly connected to a hook 19, the bottom wall of the square plate 1 is fixedly connected to a box 21, and a closing plate 20 is installed on the front side of the box 21, and the closing plate 20 can open or close the box 21;

[0035] Specifically, when the expandable lifting platform is adjusted in height, it mainly relies on the lifting mechanism 2 to achieve this operation. First, the operator operates the manipulator 22 accordingly. When the manipulator 22 is started, the motor 202 starts to rotate, thereby effectively driving the worm 203 to rotate synchronously. Next to the worm 203, a hollow column 204 is set. The inner wall of the hollow column 204 is rotatably connected to the threaded rod 205, so that the threaded rod 205 can rotate flexibly therein. The middle part of the threaded rod 205 is firmly fixed to the worm gear 206, and the worm gear 206 and the worm 203 are meshed with each other. In this way, When the worm 203 rotates, it can drive the worm wheel 206 to rotate, thereby prompting the threaded rod 205 to rotate as well. The upper thread of the threaded rod 205 is connected to the cylinder 207. As the threaded rod 205 rotates, the cylinder 207 is further driven to move up and down. Since the cylinder 207 is fixedly connected to the square plate 1, the up and down movement of the cylinder 207 can drive the square plate 1 and the entire lifting platform to achieve an overall up and down movement. A hook 19 is installed on the outside of the hollow block 15, which can provide certain convenience during work. A box 21 is provided on the lower side of the square plate 1 to store certain items.

[0036] Reference Figure 1 and Figure 2 The inner wall of the hollow block 15 is slidably connected to a table corner 16, and the bottom end of the table corner 16 is fixedly connected to an anti-slip pad 17. The anti-slip pad 17 increases the stability of the table corner 16 to prevent sliding. The right side of the box 21 is fixedly connected to a controller 22, and the controller 22 is electrically connected to the motor 202;

[0037] Specifically, the inner wall of the hollow block 15 is slidably connected to the table corner 16, so that the table corner 16 can slide relatively smoothly inside the hollow block 15. The bottom end of the table corner 16 is firmly fixed to the anti-slip pad 17. This anti-slip pad 17 can effectively increase the friction between the table corner 16 and the ground, thereby improving the stability of the entire device. On the right side of the box 21, the manipulator 22 is fixedly connected. There is an electrical connection between this manipulator 22 and the motor 202, thereby realizing the operation of the entire lifting platform.

[0038] Working principle: When the expandable lifting platform is expanded, the convex plate 11 is rotated to drive the telescopic column 10 below to rotate. A disc 9 is connected at a height below the telescopic column 10. A long strip 6 is fixedly connected to the lower side of the disc 9. There is a connecting column 8 on each side of the long strip 6. The connecting column 8 is connected to the bracket 7, and the end of the bracket 7 is connected to the concave plate 5. The lower side of the concave plate 5 is fixedly connected to the sliding track 3. The rotation of the long strip 6 drives the bracket 7 to expand outward, so that the concave plate 5 moves outward under the influence of the bracket 7. At the same time, under the action of the sliding track 3, the concave plate 5 is expanded along the direction of the track, thereby achieving expansion;

[0039] When adjusting the height of the expandable lifting platform, it is adjusted through the lifting mechanism 2. First, operate the manipulator 22 to start the motor 202 to rotate, driving the worm 203 to rotate. Next to the worm 203, there is a hollow column 204. The inner wall of the hollow column 204 is rotatably connected to the threaded rod 205. The middle part of the threaded rod 205 is fixedly connected to the worm gear 206. The worm gear 206 is engaged with the worm 203, thereby driving the threaded rod 205 to rotate. The upper part of the threaded rod 205 is threadedly connected to the cylinder 207, which further drives the cylinder 207 to move up and down. The cylinder 207 is fixedly connected to the square plate 1, thereby realizing the overall up and down movement.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An expandable lifting platform, comprising a square plate (1) and a disc (9), characterized in that: The left and right sides of the top wall of the square plate (1) are fixedly connected to sliding rails (3), the inner wall of the sliding rail (3) is slidably connected to a slider (4), the top of the slider (4) is fixedly connected to a concave plate (5), the front and rear sides of the top wall of the disc (9) are fixedly connected to telescopic columns (10), the top wall of the telescopic columns (10) is fixedly connected to a convex plate (11), the bottom wall of the disc (9) is fixedly connected to a long strip (6), the front and rear ends of the long strip (6) are rotatably connected to a second connecting column (23), the top wall of the second connecting column (23) is fixedly connected to a bracket (7), the end of the bracket (7) is rotatably connected to a first connecting column (8), the first connecting column (8) is fixedly connected to the concave plate (5), the four corners of the square plate (1) are fixedly connected to hollow blocks (15), the bottom wall of the square plate (1) is fixedly connected to a lifting mechanism (2), and the lifting mechanism (2) is used to adjust the height of the platform.

2. The expandable lifting platform according to claim 1, characterized in that: The lifting mechanism (2) comprises a long plate (201), the long plate (201) being arranged on the lower side of the square plate (1), a connecting plate (208) being fixedly connected to the middle upper side of the outer wall of the long plate (201), a supporting plate (209) being fixedly connected to the front side of the outer wall of the long plate (201), a top wall of the supporting plate (209) being fixedly connected to a motor (202), an output end of the motor (202) being fixedly connected to a worm (203), a hollow column (204) being arranged on the right side of the long plate (201), a threaded rod (205) being rotatably connected to the inner wall of the hollow column (204), a worm wheel (206) being fixedly connected to the middle part of the threaded rod (205), the worm wheel (206) being meshedly connected to the worm (203), and a cylinder (207) being threadedly connected to the upper side of the outer wall of the threaded rod (205).

3. The expandable lifting platform according to claim 1, characterized in that: The front and rear sides of the top wall of the convex plate (11) are both fixedly connected to a circular plate (12), and the top of the circular plate (12) is fixedly connected to a handle (13).

4. The expandable lifting platform according to claim 3, characterized in that: The outer wall of the handle (13) is provided with an anti-slip sleeve (14), and the anti-slip sleeve (14) is engaged with the handle (13).

5. The expandable lifting platform according to claim 1, characterized in that: The outer wall of the hollow block (15) is fixedly connected with a connecting cylinder (18), and the outer side of the connecting cylinder (18) is fixedly connected with a hook (19).

6. The expandable lifting platform according to claim 1, characterized in that: The bottom wall of the square plate (1) is fixedly connected to a box (21), and a closing plate (20) is installed on the front side of the box (21).

7. The expandable lifting platform according to claim 1, characterized in that: The inner wall of the hollow block (15) is slidably connected to a table corner (16), and the bottom end of the table corner (16) is fixedly connected to an anti-slip pad (17).

8. The expandable lifting platform according to claim 6, characterized in that: A controller (22) is fixedly connected to the right side of the box (21), and the controller (22) is electrically connected to the motor (202).

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