Height-adjustable light-weight backrest dining table board

Abstract

The utility model discloses a height-adjustable light-weight backrest dining table board which comprises a sliding seat and a backrest, the sliding seat is fixedly arranged on the back face of an aircraft seat in a screw locking mode, and a sliding structure is arranged on the sliding seat; the mounting back plate is fixed on the sliding structure, and a rotating structure is arranged at the lower end of the mounting back plate; the dining table plate main body is rotationally arranged on the mounting back plate through a rotating structure, and the dining table plate main body and the mounting back plate are rotationally limited through a limiting device; the extension plate is arranged in the movable groove of the dining table main body in a sliding mode, and an ejection structure used for keeping the integrity of the dining table plate main body is elastically arranged in the movable groove. The integrity of the dining table board main body is kept through the ejection structure, so that the table top is integrated; in addition, an oblique angle is arranged at the corresponding position of the extension plate and the ejection plate, so that the user can push back the extension plate conveniently, and the dining table plate body is flush with the extension plate.

Description

Technical Field

[0001] The utility model relates to a dining table board, in particular to a height-adjustable lightweight dining table board with a backrest. Background Art

[0002] Traditional dining tables on the back of airplane seats often lack flexibility and stability. On the one hand, the existing dining table structure is difficult to switch positions conveniently when dining and resting, which brings inconvenience to passengers. On the other hand, the dining table has poor stability during the process of lowering and retracting, and is prone to shaking, which affects the passenger experience. In addition, when the extension board of the dining table is pulled out, the extension board is not in the same plane as the tabletop, which affects its use; in addition, the height of the dining table cannot be adjusted in most cases, and cannot adapt to different groups of people. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a lightweight dining table board with adjustable height to solve the problems existing in the background technology.

[0004] The utility model is realized by the following technical schemes, including:

[0005] A sliding seat, which is fixed to the back of the aircraft seat by means of screws, and a sliding structure is provided on the sliding seat;

[0006] An installation back plate, wherein the installation back plate is fixed on the sliding structure, and a rotating structure is provided at the lower end of the installation back plate;

[0007] A dining table board body, wherein the dining table board body is rotatably arranged on the mounting back plate through a rotating structure, and the dining table board body and the mounting back plate are rotationally limited by a limiting device;

[0008] The extension plate is slidably arranged in the movable groove of the dining table body, and a ejection structure for maintaining the integrity of the dining table board body is elastically arranged in the movable groove.

[0009] As a preferred technical solution, the rotating structure includes a rotating shaft and a fixed block;

[0010] The rotating shaft is arranged on the dining table board body, the fixing block is arranged on the mounting back plate, and the dining table board body is rotatably arranged on the fixing block of the mounting back plate through the rotating shaft.

[0011] As a preferred technical solution, the limiting device includes a limiting rod rotatably arranged on the side of the mounting back plate and a limiting slide groove arranged on the side of the dining table board body;

[0012] A stopper is slidably arranged in the limiting slide groove, and the other end of the limiting rod is rotatably arranged on the stopper; when the dining table board body is lowered, the stopper is located at one end of the limiting slide groove; when the dining table body is retracted, the stopper is located at the other end of the limiting slide groove.

[0013] As a preferred technical solution, the ejection structure includes a mounting cavity and an ejection plate arranged at the bottom of the movable groove;

[0014] A guide block is arranged at the center of the installation cavity, and the ejection plate guide is arranged on the guide block; spring grooves are evenly arranged on the guide block, and springs are arranged in the spring grooves; positioning blocks corresponding to the springs are arranged under the ejection plate, and the other end of the spring is sleeved on the positioning block;

[0015] The sides of the installation cavity are all provided with limiting grooves, and the sides of the ejector plate are provided with limiting blocks corresponding to the limiting grooves; when the ejector plate is ejected, it is limited by the limiting grooves and the limiting blocks, so that the ejector plate is flush with the dining table board body and the extension board.

[0016] As a preferred technical solution, the sliding structure includes a movable groove arranged on the sliding seat and a sliding block arranged on the mounting back plate. The sliding block is located in the movable groove, thereby achieving a height adjustment effect; the sliding seat and the mounting back plate are also positioned by a slot structure.

[0017] As a preferred technical solution, the slot structure includes a plurality of jacks arranged on the sliding seat and an insert block inserted into the mounting back plate; the position between the sliding seat and the mounting back plate is adjusted by removing the insert block.

[0018] As a preferred technical solution, bevels are provided at corresponding positions of the extension plate and the ejection plate, so as to squeeze the ejection plate back into the installation cavity when the extension plate is pushed back.

[0019] As a preferred technical solution, a magnet is provided at the bottom of the dining table board body; the mounting back plate is made of metal, and when the dining table board body is folded, the dining table board body is magnetically adsorbed onto the mounting back plate.

[0020] The beneficial effects of the utility model are:

[0021] 1. The utility model realizes the rotation setting of the dining table board body through the rotating shaft and the fixing block, so that the dining table board can be conveniently switched between positions when dining and resting.

[0022] 2. The utility model ensures that the dining table board body is kept in a suitable position when being lowered and retracted by setting a limit device, thereby improving the stability of use.

[0023] 3. The utility model maintains the integrity of the main body of the dining table board through the ejection structure, so that the table top is integrated; in addition, the corresponding parts of the extension plate and the ejection plate are provided with an oblique angle, which is convenient for the user to push back the extension plate so that the main body of the dining table board is flush with the extension plate.

[0024] 4. The setting of the sliding structure and the slot structure of the utility model enables it to have the function of height adjustment and can adapt to different groups of people. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 It is a schematic diagram of a semi-expanded structure of the utility model;

[0028] Figure 3 It is a schematic diagram of the expanded structure of the utility model;

[0029] Figure 4 This is a cross-sectional view of the main body of the dining table board of the utility model;

[0030] Figure 5 This is a schematic diagram of the sliding seat structure of the utility model;

[0031] Figure 6 This is a schematic diagram of the installation back plate structure of the utility model.

[0032] Description of reference numerals:

[0033] 1. Install the back panel; 2. The main body of the dining table board; 3. The extension board; 4. The movable slot; 5. The rotating shaft; 6. The fixing block; 7. The limiting rod; 8. The limiting slide slot; 9. The stopper; 10. The installation cavity; 11. The ejector plate; 12. The guide block; 13. The spring slot; 14. The positioning block; 15. The limiting slot; 16. The limiting block; 17. The magnet. DETAILED DESCRIPTION

[0034] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0035] like Figure 1-Figure 4 As shown, the utility model is a height-adjustable lightweight dining table with backrest, comprising:

[0036] A sliding seat 19, wherein the sliding seat 19 is fixedly arranged on the back of the aircraft seat by means of screws, and a sliding structure is arranged on the sliding seat 19;

[0037] An installation back plate 1 is fixed on the sliding structure, and a rotating structure is provided at the lower end of the installation back plate 1;

[0038] A dining table board body 2, wherein the dining table board body 2 is rotatably disposed on the mounting back plate 1 through a rotating structure, and a limiting device is used to limit the rotation between the dining table board body 2 and the mounting back plate 1;

[0039] The extension plate 3 is slidably disposed in the first movable groove 4 of the dining table body, and a ejection structure for maintaining the integrity of the dining table board body 2 is elastically disposed in the first movable groove 4.

[0040] In addition, the rotating structure includes a rotating shaft 5 and a fixed block 6;

[0041] The rotating shaft 5 is arranged on the dining table board body 2 , the fixing block 6 is arranged on the mounting back plate 1 , and the dining table board body 2 is rotatably arranged on the fixing block 6 of the mounting back plate 1 via the rotating shaft 5 .

[0042] The limiting device includes a limiting rod 7 rotatably arranged on the side of the mounting back plate 1 and a limiting slide groove 8 arranged on the side of the dining table board body 2;

[0043] A stopper 9 is slidably arranged in the limiting slide groove 8, and the other end of the limiting rod 7 is rotatably arranged on the stopper 9; when the dining table board body 2 is lowered, the stopper 9 is located at one end of the limiting slide groove 8; when the dining table body is retracted, the stopper 9 is located at the other end of the limiting slide groove 8.

[0044] The ejection structure includes a mounting cavity 10 and an ejection plate 11 disposed at the bottom of the first movable groove 4;

[0045] A guide block 12 is provided at the center of the installation cavity 10, and the ejection plate 11 is guided and provided on the guide block 12; spring grooves 13 are evenly provided on the guide block 12, and springs are provided in the spring grooves 13; positioning blocks 14 corresponding to the springs are provided under the ejection plate 11, and the other end of the spring is sleeved on the positioning block 14;

[0046] The sides of the installation cavity 10 are each provided with a limiting groove 15, and the sides of the ejection plate 11 are provided with a limiting block 16 corresponding to the limiting groove 15; when the ejection plate 11 is ejected, it is limited by the limiting groove 15 and the limiting block 16, so that the ejection plate 11 is flush with the dining table board body 2 and the extension board 3.

[0047] like Figure 5-Figure 6The sliding structure shown includes a second movable groove 20 arranged on the sliding seat 19 and a sliding block 21 arranged on the mounting back plate. The sliding block 21 is located in the second movable groove 20, thereby achieving a height adjustment effect; the sliding seat 19 and the mounting back plate 1 are also positioned by a slot structure.

[0048] The slot structure includes a plurality of insertion holes 22 arranged on the sliding seat 19 and an insertion block 23 inserted into the mounting back plate 1; the position between the sliding seat 19 and the mounting back plate can be adjusted by removing the insertion block.

[0049] In addition, corresponding positions of the extension plate 3 and the ejection plate 11 are both provided with bevels, so as to squeeze the ejection plate 11 back into the installation cavity 10 when the extension plate 3 is pushed back.

[0050] In addition, a magnet 17 is provided at the bottom of the dining table board body 2; the mounting back plate 1 is made of metal, and when the dining table board body 2 is folded, the dining table board body 2 is magnetically adsorbed on the mounting back plate 1.

[0051] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A height-adjustable lightweight dining table with backrest, characterized in that: include: A sliding seat (19), wherein the sliding seat (19) is fixedly arranged on the back of the aircraft seat by means of screw locking, and a sliding structure is arranged on the sliding seat (19); A mounting back plate (1), wherein the mounting back plate (1) is fixed on the sliding structure, and a rotating structure is provided at the lower end of the mounting back plate (1); A dining table board main body (2), wherein the dining table board main body (2) is rotatably arranged on the mounting back plate (1) via a rotating structure, and the dining table board main body (2) and the mounting back plate (1) are rotationally limited via a limiting device; An extension plate (3) is slidably arranged in a first movable groove (4) of the dining table body, and a ejection structure for maintaining the integrity of the dining table board body (2) is elastically arranged in the first movable groove (4).

2. The height-adjustable lightweight dining table with backrest according to claim 1, characterized in that: The rotating structure comprises a rotating shaft (5) and a fixed block (6); The rotating shaft (5) is arranged on the dining table board body (2), the fixing block (6) is arranged on the mounting back plate (1), and the dining table board body (2) is rotatably arranged on the fixing block (6) of the mounting back plate (1) via the rotating shaft (5).

3. The height-adjustable lightweight dining table with backrest according to claim 1, characterized in that: The limiting device comprises a limiting rod (7) rotatably arranged on the side of the mounting back plate (1) and a limiting sliding groove (8) arranged on the side of the dining table plate body (2); A stopper (9) is slidably arranged in the limiting sliding groove (8), and the other end of the limiting rod (7) is rotatably arranged on the stopper (9).

4. The height-adjustable lightweight dining table with backrest according to claim 1, characterized in that: The ejection structure comprises a mounting cavity (10) and an ejection plate (11) arranged at the bottom of the first movable groove (4); A guide block (12) is arranged at the center of the installation cavity (10), and the ejection plate (11) is guided and arranged on the guide block (12); spring grooves (13) are evenly arranged on the guide block (12), and springs are arranged in the spring grooves (13); positioning blocks (14) corresponding to the springs are arranged below the ejection plate (11), and the other end of the spring is sleeved on the positioning block (14); The side surfaces of the installation cavity (10) are provided with limiting grooves (15), and the side surfaces of the ejection plate (11) are provided with limiting blocks (16) corresponding to the limiting grooves (15).

5. The height-adjustable lightweight dining table with backrest according to claim 1, characterized in that: The corresponding positions of the extension plate (3) and the ejection plate (11) are both provided with bevel angles, so that the ejection plate (11) can be squeezed back into the installation cavity (10) when the extension plate (3) is pushed back.

6. The height-adjustable lightweight dining table with backrest according to claim 1, characterized in that: The sliding structure comprises a second movable groove (20) arranged on the sliding seat (19) and a sliding block (21) arranged on the mounting back plate, wherein the sliding block (21) is located in the second movable groove (20), thereby achieving a height adjustment effect; the sliding seat (19) and the mounting back plate (1) are also positioned via a slot structure.

7. The height-adjustable lightweight dining table with backrest according to claim 6, characterized in that: The slot structure comprises a plurality of insertion holes (22) arranged on the sliding seat (19) and an insertion block (23) inserted into the mounting back plate (1); the position between the sliding seat (19) and the mounting back plate is adjusted by removing the insertion block.

8. The height-adjustable lightweight dining table with backrest according to claim 1, characterized in that: A magnet (17) is provided at the bottom of the dining table board body (2); and the mounting back plate (1) is made of metal.

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