Mechanism facilitating adjustment of aviation table board

Abstract

The utility model relates to the technical field of table board adjustment, in particular to a convenient aviation table board adjustment mechanism which comprises a mounting plate, a connecting plate is fixedly connected to the lower surface of the mounting plate, a lifting cylinder is fixedly connected to the lower surface of the connecting plate, a rotating cylinder is arranged on the outer surface of the lifting cylinder, and an arc-shaped groove is formed in the outer surface of the rotating cylinder; and the convex column is installed on the outer surface of the lifting cylinder, the convex column is matched with the arc-shaped groove, and a worm wheel is fixedly connected to the lower surface of the rotating cylinder. A worm gear can drive a rotating cylinder to rotate, so that a convex column can slide in an arc-shaped groove, a lifting cylinder can be driven to ascend, after the lifting cylinder ascends, a connecting plate is driven to ascend, the connecting plate can drive a mounting plate to adjust the height, and after the height is adjusted to a proper height, a motor body stops moving; therefore, through the self-locking effect of the worm and the worm gear, the whole mounting plate is stable after lifting.

Description

Technical Field

[0001] The utility model relates to the technical field of table board adjustment, in particular to an adjustment mechanism for an aviation table board. Background Art

[0002] Traditional airline table tops are just simple flat plates, and most of them cannot be adjusted during use.

[0003] In this regard, China applied for patent number: CN220124193U, which discloses a lifting and adjusting mechanism for a table top, which includes a fixed support sleeve fixed on the base, a lifting support sleeve sleeved in the fixed support sleeve, a support head assembly installed on the top of the lifting support sleeve and an electric push rod arranged in the fixed support sleeve; one end of the electric push rod is connected to the base through a limit assembly, and the other end is connected to the support head assembly. Both ends of the electric push rod can be quickly installed, and the installation is stable and firm. When the electric push rod is in motion, the stability of the extension and retraction of the lifting support sleeve is improved; in addition, guide assemblies are provided on the four circumferential surfaces of the lifting support sleeve, and the guide assemblies include a mounting frame fixed on the wall surface of the lifting support sleeve, and a guide wheel rotatably arranged on the mounting frame. The circumferential surface of the guide wheel contacts the inner wall of the fixed support sleeve. Under the guiding action of the guide wheel, the shaking amplitude of the lifting support sleeve during movement can be reduced, thereby improving the lifting and lowering stability of the table top.

[0004] However, when the whole aircraft is used, the table top cannot be limited after adjustment, so that the table top cannot be fixed when the whole aircraft vibrates, and the stability after the overall adjustment is poor. Therefore, it has become an urgent problem to be solved to perfect and improve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustment mechanism for an aviation table top, so as to solve the problem raised in the above-mentioned background technology that when the table top is used as a whole, it cannot be limited after adjustment, so that the table top cannot be fixed when the entire aircraft vibrates, resulting in poor stability after overall adjustment.

[0006] To achieve the above object, the utility model provides the following technical solutions: an adjustment mechanism for an aviation table, comprising a mounting plate, a connecting plate fixedly connected to the lower surface of the mounting plate, a lifting cylinder fixedly connected to the lower surface of the connecting plate, a rotating cylinder provided on the outer surface of the lifting cylinder, and an arc groove provided on the outer surface of the rotating cylinder;

[0007] A boss is installed on the outer surface of the lifting cylinder, the boss and the arc groove are adapted to each other, a worm wheel is fixedly connected to the lower surface of the rotating cylinder, a worm is provided on the right side surface of the worm wheel, a motor body is provided on the front surface of the worm, a mounting base is provided on the front surface of the motor body, and the motor body is mounted on the inner wall of the mounting base.

[0008] Preferably, a movable shaft is disposed on the front surface of the mounting plate, and an aviation table board body is disposed on the front surface of the movable shaft.

[0009] Preferably, the top surface of the aviation table board body is fixedly connected with limit blocks, and two groups of limit blocks are provided.

[0010] Preferably, a first side block is fixedly connected to the lower surface of the aviation table body, and a first mounting column is provided on the right side surface of the first side block.

[0011] Preferably, a first mounting sleeve is provided on the outer surface of the first mounting column, and a telescopic cylinder is provided on the lower surface of the first mounting sleeve.

[0012] Preferably, a second mounting sleeve is provided at one end of the telescopic cylinder away from the first mounting sleeve, a second mounting column is provided inside the second mounting sleeve, and a second side block is fixedly connected to the outer surface of the second mounting column.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The aviation table adjustment mechanism is convenient for use. Through the installation plate, connecting plate, lifting cylinder, rotating cylinder, arc groove, boss, worm wheel, worm, motor body and installation base, when the height of the installation plate needs to be adjusted, the motor body is started, and the worm is driven to rotate by the motor body, and the worm is meshed with the worm wheel, so that the worm wheel can drive the rotating cylinder to rotate, so that the boss will slide inside the arc groove, so as to drive the lifting cylinder to rise, and after the lifting cylinder rises, it drives the connecting plate to rise, and the connecting plate drives the installation plate to adjust the height, and after adjusting to the appropriate height, the motor body stops moving, so that through the self-locking effect of the worm and the worm wheel, the overall installation plate is relatively stable after being raised and lowered, which reflects the practicality of the design.

[0015] 2. The aviation table adjustment mechanism is convenient for use. Through the set movable shaft, the aviation table body, the limit block, the first side block, the first mounting column, the first mounting sleeve, the telescopic cylinder, the second mounting sleeve, the second mounting column and the second side block, when in use, the movable shaft can firstly drive the aviation table body to rotate, and then the limit block can be used to limit the top surface of the aviation table body. Then, when the limit block is opened and folded, the telescopic cylinder is extended and retracted. The telescopic cylinder is movably connected to the outer surfaces of the first mounting column and the second mounting column through the design of the first mounting sleeve and the second mounting sleeve. Therefore, after the telescopic cylinder is extended and retracted, the aviation table body can be opened and folded, and the operation speed is relatively fast, which reflects the functionality of the design. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the structure of the connecting plate and the motor body of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the installation base structure of the utility model;

[0019] Figure 4 It is a three-dimensional schematic diagram of the first side block and the second side block structure of the utility model.

[0020] In the figure: 1. mounting plate; 2. connecting plate; 3. lifting cylinder; 4. rotating cylinder; 5. arc groove; 6. boss; 7. worm gear; 8. worm; 9. motor body; 10. mounting base; 11. movable shaft; 12. aviation table body; 13. limit block; 14. first side block; 15. first mounting column; 16. first mounting sleeve; 17. telescopic cylinder; 18. second mounting sleeve; 19. second mounting column; 20. second side block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , an embodiment provided by the utility model:

[0023] A mechanism for adjusting an aviation table top. The lifting cylinder 3, worm gear 7, worm 8, motor body 9 and telescopic cylinder 17 used in the present application are all products that can be directly purchased on the market. Their principles and connection methods are all existing technologies well known to those skilled in the art, so they will not be repeated here. It includes a mounting plate 1, the lower surface of the mounting plate 1 is fixedly connected to a connecting plate 2, the lower surface of the connecting plate 2 is fixedly connected to a lifting cylinder 3, the outer surface of the lifting cylinder 3 is provided with a rotating cylinder 4, the outer surface of the rotating cylinder 4 is provided with an arc groove 5, the front surface of the mounting plate 1 is provided with a movable shaft 11, the front surface of the movable shaft 11 is provided with an aviation table top body 12, the top surface of the aviation table top body 12 is fixedly connected to a limiting block 13, the limiting block 13 is provided in two groups, the lower surface of the aviation table top body 12 is fixedly connected to a first side block 14, the right side surface of the first side block 14 is provided with a first mounting column 15, the A first mounting sleeve 16 is provided on the outer surface of a mounting column 15, a telescopic cylinder 17 is provided on the lower surface of the first mounting sleeve 16, a second mounting sleeve 18 is provided on the end of the telescopic cylinder 17 away from the first mounting sleeve 16, a second mounting column 19 is provided inside the second mounting sleeve 18, a second side block 20 is fixedly connected to the outer surface of the second mounting column 19, the aviation table board body 12 can be driven to rotate through the movable shaft 11, and then the top surface of the aviation table board body 12 can be limited by the limit block 13, and then when the limit block 13 is opened and folded, the telescopic cylinder 17 is extended and retracted, and the telescopic cylinder 17 is movably connected to the outer surfaces of the first mounting column 15 and the second mounting column 19 through the design of the first mounting sleeve 16 and the second mounting sleeve 18, so that the aviation table board body 12 can be opened and folded after the telescopic cylinder 17 is extended and retracted, and the operation speed is relatively fast;

[0024] The boss 6 is installed on the outer surface of the lifting cylinder 3, and the boss 6 and the arc groove 5 are adapted to each other. A worm gear 7 is fixedly connected to the lower surface of the rotating cylinder 4, and a worm 8 is provided on the right side surface of the worm gear 7. A motor body 9 is provided on the front surface of the worm 8, and a mounting base 10 is provided on the front surface of the motor body 9. The motor body 9 is installed on the inner wall of the mounting base 10. When it is necessary to adjust the height of the mounting plate 1, the motor body 9 is started, and the worm 8 is driven to rotate by the motor body 9, and the worm 8 is meshed with the worm wheel 7, so that the worm wheel 7 can drive the rotating cylinder 4 to rotate, so that the boss 6 will slide inside the arc groove 5, so as to drive the lifting cylinder 3 to rise, and after the lifting cylinder 3 rises, it drives the connecting plate 2 to rise, and the connecting plate 2 drives the mounting plate 1 to adjust the height, and after adjusting to the appropriate height, the motor body 9 stops moving, so that through the self-locking effect of the worm 8 and the worm wheel 7, the overall mounting plate 1 is relatively stable after lifting.

[0025] Working principle: When the staff uses the device, first connect the device to an external power supply to provide power support for the device. When the height of the mounting plate 1 needs to be adjusted, the motor body 9 is started to drive the worm 8 to rotate, and the worm 8 is meshed with the worm wheel 7, so that the worm wheel 7 can drive the rotating cylinder 4 to rotate, so that the protruding column 6 will slide inside the arc groove 5, so as to drive the lifting cylinder 3 to rise. After the lifting cylinder 3 rises, it drives the connecting plate 2 to rise, and the connecting plate 2 drives the mounting plate 1 to adjust the height. After adjusting to the appropriate height, the motor body 9 stops moving. Thus, through the self-locking effect of the worm 8 and the worm wheel 7, the aviation table board body 12 can be driven to rotate through the movable shaft 11, and then the top surface of the aviation table board body 12 can be limited by the limit block 13. Then, when the limit block 13 is opened and folded, the telescopic cylinder 17 is extended and retracted. The telescopic cylinder 17 is movably connected to the outer surfaces of the first mounting column 15 and the second mounting column 19 through the design of the first mounting sleeve 16 and the second mounting sleeve 18. After the telescopic cylinder 17 is extended and retracted, the aviation table board body 12 can be opened and folded, and the operation speed is relatively fast. The above is all the working principles of the utility model.

[0026] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. 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 mechanism for adjusting an aviation table, comprising a mounting plate (1), a connecting plate (2) fixedly connected to the lower surface of the mounting plate (1), a lifting cylinder (3) fixedly connected to the lower surface of the connecting plate (2), characterized in that: The outer surface of the lifting cylinder (3) is provided with a rotating cylinder (4), and the outer surface of the rotating cylinder (4) is provided with an arc groove (5); A boss (6) is mounted on the outer surface of the lifting cylinder (3), the boss (6) and the arc groove (5) are adapted to each other, a worm wheel (7) is fixedly connected to the lower surface of the rotating cylinder (4), a worm (8) is arranged on the right side surface of the worm wheel (7), a motor body (9) is arranged on the front surface of the worm (8), a mounting base (10) is arranged on the front surface of the motor body (9), and the motor body (9) is mounted on the inner wall of the mounting base (10).

2. The aviation table adjustment mechanism according to claim 1, characterized in that: The front surface of the mounting plate (1) is provided with a movable shaft (11), and the front surface of the movable shaft (11) is provided with an aviation table board body (12).

3. The aviation table adjustment mechanism according to claim 2, characterized in that: The top surface of the aviation table board body (12) is fixedly connected to a limiting block (13), and two groups of the limiting blocks (13) are provided.

4. The aviation table adjustment mechanism according to claim 2, characterized in that: The lower surface of the aviation table body (12) is fixedly connected to a first side block (14), and the right side surface of the first side block (14) is provided with a first mounting column (15).

5. The aviation table adjustment mechanism according to claim 4, characterized in that: The outer surface of the first mounting column (15) is provided with a first mounting sleeve (16), and the lower surface of the first mounting sleeve (16) is provided with a telescopic cylinder (17).

6. The aviation table adjustment mechanism according to claim 5, characterized in that: A second mounting sleeve (18) is arranged at one end of the telescopic cylinder (17) away from the first mounting sleeve (16); a second mounting column (19) is arranged inside the second mounting sleeve (18); and a second side block (20) is fixedly connected to the outer surface of the second mounting column (19).

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