High-speed rail seat framework supporting and adjusting structure

Abstract

The utility model discloses a high-speed rail seat framework supporting and adjusting structure, which belongs to the technical field of high-speed rail seats and comprises a cushion plate and a backrest plate, and one side of the cushion plate is rotatably matched with the bottom of the backrest plate. The angle adjusting device further comprises an angle adjusting assembly, the angle adjusting assembly comprises two air cylinders, rotating frames are fixedly installed at the telescopic ends of the air cylinders, the rotating frames are in rotating fit with first connecting plates, and the first connecting plates are fixedly installed on the movable base. The device further comprises a limiting assembly, the limiting assembly comprises a lead screw, and a movable base is installed on the surface of the lead screw. The angle adjusting assembly is arranged, the structure is simple, convenience and practicability are achieved, the angle of the backrest plate can be adjusted, fatigue and sedentariness caused by sedentariness of passengers are relieved, a steward can limit the angle adjusting range of the backrest plate through the limiting assembly, and the practicability is high. The passenger is prevented from excessively adjusting the angle of the backrest to influence other passengers in the passenger flow peak period.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed rail seats, in particular to a high-speed rail seat frame support adjustment structure. Background Art

[0002] High-speed rail refers to high-speed rail. In my country, high-speed rail refers to passenger train dedicated railways built in China with a designed running speed of more than 250km / h and an initial operating speed of more than 200km / h. Due to the advantages of high-speed rail such as fast speed, high safety, high comfort, environmental protection and energy saving, and high punctuality, more and more people now choose high-speed rail for travel. With the improvement of people's living standards, the requirements for high-speed rail seats are gradually increasing. High-speed rail seats are designed to provide passengers with a comfortable riding experience. They usually adopt ergonomic principles to ensure that passengers feel comfortable during long rides. The seat materials are usually durable and easy to clean, and common ones are fabrics and leather.

[0003] After searching, in the prior art, Chinese Patent Publication No.: CN220314989U discloses an adjustable high-speed rail seat frame. The utility model includes a support seat, a bottom plate connected to the top of the support seat, a backrest is arranged on the top of the bottom plate, a cushion is arranged on the front of the backrest, and a rotating component is arranged between the backrest and the bottom plate, which is used to adjust the position of the backrest. This adjustable high-speed rail seat frame can adjust the angle of the backrest by providing a rotating component, so that the side of the backrest with the massage block can be flexibly adjusted, so that the backrest can be suitable for different passengers and ensure the passengers' riding experience. It is also provided with a detachable cover and cushion to cover the backrest to prevent the backrest from being easily soiled and difficult to clean. It is also provided with a round hair layer and a thorny hair layer to fix the position of the cushion to prevent the cushion from moving.

[0004] But this device still has the following defects:

[0005] High-speed rail carriages have a high space utilization rate and the distance between seats is limited. During peak passenger flow periods, there are many passengers in the carriage. When the front passengers adjust their seat backs, it may affect the back passengers, thus affecting each other's riding experience. This device does not solve this problem. Utility Model Content

[0006] The purpose of the utility model is to provide a high-speed rail seat frame support adjustment structure. By setting an angle adjustment component, the angle of the backrest board can be adjusted. In conjunction with the limit component, the crew can limit the range of the backrest angle adjustment to avoid excessive adjustment of the backrest angle by passengers during peak passenger flow periods, thereby solving the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A high-speed rail seat frame support adjustment structure, comprising a seat cushion plate and a backrest plate, wherein one side of the seat cushion plate is rotatably matched with the bottom of the backrest plate;

[0009] It also includes an angle adjustment component, which includes two groups of cylinders, and a rotating frame is fixedly installed on the telescopic end of the cylinder, and the rotating frame is rotatably matched with the first connecting plate, and the first connecting plate is fixedly installed on the moving seat;

[0010] It also includes a limiting component, which includes a screw rod, and a moving seat is installed on the surface of the screw rod.

[0011] Preferably, a first connecting seat is fixedly installed on one side of the seat cushion plate, and a second connecting seat is fixedly installed on the bottom of the backrest plate.

[0012] Preferably, rotating shafts are fixedly mounted on both sides of the second connecting seat, and the rotating shafts are rotatably matched with the first connecting seat.

[0013] Preferably, the cylinder is arranged on both sides of the cushion plate, and a second connecting plate is fixedly installed on the bottom of the cylinder, and the second connecting plate is rotatably matched with the fixing rod.

[0014] Preferably, the fixing rod is fixedly mounted on a mounting plate, and the mounting plate is fixedly mounted on both sides of the cushion plate.

[0015] Preferably, both ends of the screw rod are rotatably mounted on a mounting seat, the mounting seat is fixedly mounted on both sides of the backrest plate, the bottom of the screw rod is transmission-matched with the output end of the motor, and the motor is fixedly mounted on the bottom of the mounting seat.

[0016] Preferably, a connecting rod is provided on one side of the screw rod, both ends of the connecting rod are fixedly mounted on a mounting seat, and the connecting rod is slidably matched with the movable seat.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model has a simple structure, is convenient and practical, and can adjust the angle of the backrest board by setting an angle adjustment component, so as to relieve passengers from fatigue caused by sitting for a long time. By setting a limit component, the flight attendant can limit the range of the backrest board angle adjustment, so as to avoid the influence of passengers excessively adjusting the backrest angle on other passengers during peak passenger flow periods. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0021] Figure 3 for Figure 1 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. seat cushion plate; 2. backrest plate; 3. cylinder; 4. rotating frame; 5. first connecting plate; 6. moving seat; 7. screw rod; 8. first connecting seat; 9. second connecting seat; 10. rotating shaft; 11. second connecting plate; 12. fixing rod; 13. mounting plate; 14. mounting seat; 15. motor; 16. connecting rod. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figures 1 to 3 , the utility model provides a technical solution:

[0025] A high-speed rail seat frame support and adjustment structure includes a seat cushion plate 1 and a backrest plate 2. One side of the seat cushion plate 1 is rotatably matched with the bottom of the backrest plate 2. A first connecting seat 8 is fixedly installed on one side of the seat cushion plate 1, and a second connecting seat 9 is fixedly installed on the bottom of the backrest plate 2. A rotating shaft 10 is fixedly installed on both sides of the second connecting seat 9. The rotating shaft 10 is rotatably matched with the first connecting seat 8. By arranging the first connecting seat 8 and the second connecting seat 9 to cooperate with the rotating shaft 10, the backrest plate 2 can be rotated around the rotating shaft 10, so that the angle of the backrest plate 2 can be adjusted.

[0026] The angle adjustment component includes two groups of cylinders 3, the telescopic end of the cylinder 3 is fixedly installed with a rotating frame 4, the rotating frame 4 is rotatably matched with the first connecting plate 5, the first connecting plate 5 is fixedly installed on the moving seat 6, the cylinder 3 is arranged on both sides of the cushion plate 1, and the bottom of the cylinder 3 is fixedly installed with a second connecting plate 11, the second connecting plate 11 is rotatably matched with the fixing rod 12, the fixing rod 12 is fixedly installed on the mounting plate 13, and the mounting plate 13 is fixedly installed on both sides of the cushion plate 1. By arranging the cylinder 3, the angle of the backrest plate 2 can be adjusted by the rotating frame 4, the first connecting plate 5 and the moving seat 6, so as to improve the comfort of the passengers, and by arranging the rotating frame 4, the first connecting plate 5 and the second connecting plate 11, when the angle of the backrest plate 2 changes, the cylinder 3 can be driven to change the angle accordingly, so that the angle of the backrest plate 2 can be adjusted smoothly.

[0027] The support frame 12 is provided with a plurality of connecting rods 14, and the connecting rods 14 are provided with a plurality of connecting rods 16. The connecting rods 16 are provided with a plurality of connecting rods 17, and the connecting rods 17 are provided with a plurality of connecting rods 18. The connecting rods 16 are provided with a plurality of connecting rods 19, and the plurality of connecting rods 19 are provided with a plurality of connecting rods 11. The connecting rods 16 are provided with a plurality of connecting rods 18, and the plurality of connecting rods 19 are provided with a plurality of connecting rods 11.

[0028] During specific use, the device is installed at a designated position. When the angle of the backrest board 2 needs to be adjusted, the cylinder 3 is started to control the telescopic end of the cylinder 3 to extend and retract. The telescopic end of the cylinder 3 pushes the backrest board 2 to rotate around the rotating shaft 10 through structures such as the rotating frame 4, the first connecting plate 5 and the movable seat 6, thereby changing the angle of the backrest board 2; when the flight attendant needs to limit the adjustment angle of the backrest board 2, the motor 15 is turned on to control the telescopic end of the motor 15 to rotate, thereby driving the screw rod 7 to rotate. At the same time, the cylinder 3 is started to control the telescopic end of the cylinder 3 to extend, so that the movable seat 6 moves to the top of the screw rod 7. At this time, the angle adjustment range of the backrest board 2 is limited to the minimum.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed rail seat frame support adjustment structure, characterized in that: It comprises a seat cushion plate (1) and a backrest plate (2), wherein one side of the seat cushion plate (1) is rotatably matched with the bottom of the backrest plate (2); It also includes an angle adjustment component, the angle adjustment component includes two groups of cylinders (3), the telescopic ends of the cylinders (3) are fixedly mounted with a rotating frame (4), the rotating frame (4) is rotatably matched with a first connecting plate (5), and the first connecting plate (5) is fixedly mounted on a moving seat (6); It also comprises a position limiting assembly, the position limiting assembly comprising a screw rod (7), and a movable seat (6) is mounted on the surface of the screw rod (7).

2. A high-speed rail seat frame support adjustment structure according to claim 1, characterized in that A first connecting seat (8) is fixedly mounted on one side of the seat cushion plate (1), and a second connecting seat (9) is fixedly mounted on the bottom of the backrest plate (2).

3. A high-speed rail seat frame support adjustment structure according to claim 2, characterized in that: Rotating shafts (10) are fixedly mounted on both sides of the second connecting seat (9), and the rotating shafts (10) are rotatably matched with the first connecting seat (8).

4. The high-speed rail seat frame support adjustment structure according to claim 1, characterized in that: The cylinder (3) is arranged on both sides of the cushion plate (1), and a second connecting plate (11) is fixedly mounted on the bottom of the cylinder (3), and the second connecting plate (11) is rotatably matched with a fixing rod (12).

5. The high-speed rail seat frame support adjustment structure according to claim 4 is characterized in that: The fixing rod (12) is fixedly mounted on a mounting plate (13), and the mounting plate (13) is fixedly mounted on both sides of the cushion plate (1).

6. The high-speed rail seat frame support adjustment structure according to claim 1, characterized in that: The two ends of the screw rod (7) are rotatably mounted on a mounting seat (14), the mounting seat (14) is fixedly mounted on two sides of the backrest plate (2), the bottom of the screw rod (7) is transmission-matched with the output end of the motor (15), and the motor (15) is fixedly mounted on the bottom of the mounting seat (14).

7. The high-speed rail seat frame support adjustment structure according to claim 6, characterized in that: A connecting rod (16) is provided on one side of the screw rod (7), and both ends of the connecting rod (16) are fixedly mounted on the mounting seat (14). The connecting rod (16) is slidably matched with the movable seat (6).

Images