Aero seat framework with adjustable backrest angle

Abstract

The utility model relates to the technical field of seats, in particular to an aero seat framework with an adjustable backrest angle. Comprising a supporting base, a cushion body is arranged above the supporting base, a backrest main rod is arranged at the upper end of the supporting base, a first back cushion is arranged above the cushion body, a second back cushion is arranged above the cushion body, and a first adjuster is arranged at the upper end of the outer wall of one side of the backrest main rod; a second adjustor is arranged at the lower end of the same side wall of the backrest main rod, an arm-chair headrest is arranged above the cushion main body, a third adjustor is arranged above the cushion main body, a damping spring is arranged in the supporting base, a connecting panel is arranged in the supporting base in a sliding and attached mode, and the connecting panel is connected with the cushion main body in a sliding and attached mode. A limiting groove is formed in the top of the cushion main body, and a protective pad is arranged on the surface of the cushion main body. According to the embodiment, the effect of improving the practicability of equipment is achieved while the backrest can be adjusted in a partitioned mode.

Description

An aircraft seat frame with adjustable backrest angle Technical Field

[0001] This utility model belongs to the field of seat technology, and specifically relates to an aircraft seat frame with an adjustable backrest angle. Background Technology

[0002] In the remanufacturing process of aircraft seats, a basic frame is required. Production staff then add accessories to improve the aircraft seats based on the frame. The backrest angle adjustment of general aircraft seats is relatively rigid, usually divided into several angle levels, which cannot meet the needs of consumers.

[0003] A search revealed that in the prior art, Chinese Patent Publication No. CN220281675U, authorized on January 2, 2024, discloses a novel lightweight aviation seat frame, including a base, a seat cushion disposed on the base, an electrically controlled backrest disposed on the left side of the seat cushion, an armrest fixedly connected to one side of the seat cushion, and a processing assembly disposed on the upper part of the base. The processing assembly includes an adjustment mechanism disposed on the top of the electrically controlled backrest. A shock-absorbing mechanism is disposed inside the base. The headrest is rotatably connected to the electrically controlled backrest via a pivot. A torsion spring is sleeved on the outer wall of the pivot. A first spring is sleeved on the outer wall of a telescopic column. The telescopic column is slidably connected to a fixed plate via the first spring. A second spring is sleeved on the outer wall of a cylinder. The top of the damper is fixedly connected to a connecting column. The connecting column is slidably connected to the base via the cylinder.

[0004] However, the device still has the following drawbacks: Although the above embodiments solve the problem that the backrest of existing devices cannot be adjusted to accommodate the consumer's head position, thus making the consumer more comfortable, the device cannot further adjust the backrest, and prolonged use of the backrest will still cause discomfort to the user. Summary of the Invention

[0005] To address the aforementioned issues, this utility model provides an aircraft seat frame with an adjustable backrest angle, comprising a support base, a seat cushion body above the support base, a backrest main rod at the upper end of the support base, a first back cushion above the seat cushion body, a second back cushion above the seat cushion body, and a first adjuster at the upper end of one outer wall of the backrest main rod.

[0006] A second adjuster is provided at the lower end of the same side wall of the backrest main rod, a headrest is provided above the seat cushion body, a third adjuster is provided above the seat cushion body, a shock-absorbing spring is provided inside the support base, a connecting panel is slidably fitted inside the support base, a limiting groove is provided on the top of the seat cushion body, and a protective pad is provided on the surface of the seat cushion body.

[0007] Furthermore, several sets of connecting rods are provided above the support base. These sets of connecting rods are arranged in an L-shape, and one end of each set of connecting rods is connected to the opposite side walls of the seat cushion body. Two sets of seat handles are provided above the support base.

[0008] Furthermore, one set of the seat handles is connected to the top of two sets of connecting rods, and the bottom end of another set of seat handles is connected to the top of a set of connecting rods. A backrest adjuster is provided above the support base, one end of the backrest adjuster is connected to a set of seat handles, and one end of the seat handle is provided with a control button.

[0009] Furthermore, a connecting rod is provided through the bottom end of the main backrest rod, and the main backrest rod and the seat cushion body are rotatably connected through the connecting rod, and one end of the connecting rod is connected to the backrest angle adjuster.

[0010] Furthermore, both the first back pad and the second back pad are located inside the main backrest rod, and both the first back pad and the second back pad are rotatably connected to the inner wall of the main backrest rod. The first adjuster is connected to the first back pad, and the second adjuster is connected to the second back pad.

[0011] Furthermore, two sets of rectangular plates are symmetrically arranged above the main body of the seat cushion. Both sets of rectangular plates are located at the top of the backrest main rod. The headrest is located between the two sets of rectangular plates, and a radio is embedded inside the headrest.

[0012] Furthermore, a protective shell is provided above the main body of the seat cushion, the protective shell is connected to a set of rectangular plates, and the third adjuster is located inside the protective shell.

[0013] Furthermore, the headrest of the chair is rotatably connected to the two sets of rectangular plates via a third adjuster. A movable door is embedded in one side wall of the support base. The interior of the support base is a hollow structure. The bottom of the connecting panel is elastically connected to the top of the shock-absorbing spring, and the top of the connecting panel is connected to the seat cushion body. The protective pad is embedded inside the limiting groove.

[0014] The beneficial effects of this utility model are:

[0015] 1. The first backrest is connected to the first backrest via the first adjuster, and the second backrest is connected to the second backrest via the second adjuster. The user can adjust the first backrest and the second backrest separately. The headrest is rotatably connected to the two sets of rectangular plates via the third adjuster. The user can adjust the angle of the headrest via the third adjuster. Since the third adjuster is located inside the protective shell, it can prevent passengers behind from moving the third adjuster, thus improving the convenience of using the equipment. It can adjust the backrest in sections while improving the practicality of the equipment.

[0016] 2. By pressing and holding the control button to control the backrest angle adjuster, the backrest angle adjuster drives the connecting rod to rotate, which in turn drives the backrest main rod to adjust the angle. The connecting panel is slidably fitted inside the support base. The bottom of the connecting panel is elastically connected to the top of the shock-absorbing spring. When the user sits on the main body of the cushion, the main body of the cushion moves the connecting panel down due to gravity. The protective pad improves the comfort of the device while also enhancing its stability.

[0017] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description, claims, and drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 shows a schematic diagram of the structure according to an embodiment of the present invention;

[0020] Figure 2 shows a schematic diagram of the backrest main rod structure according to an embodiment of the present invention;

[0021] Figure 3 shows a schematic diagram of the main structure of the seat cushion according to an embodiment of the present invention.

[0022] In the diagram: 1. Support base; 2. Seat cushion body; 3. Connecting support rod; 4. Seat handle; 5. Backrest angle adjuster; 6. Control button; 7. Backrest main rod; 8. Connecting rod; 9. First backrest cushion; 10. Second backrest cushion; 11. First adjuster; 12. Second adjuster; 13. Rectangular plate; 14. Chair headrest; 15. Radio; 16. Protective shell; 17. Third adjuster; 18. Sliding door; 19. Shock-absorbing spring; 20. Connecting panel; 21. Limiting groove; 22. Protective pad. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] This utility model provides an aircraft seat frame with an adjustable backrest angle, including a support base 1; for example, as shown in Figures 1-3.

[0025] A seat cushion body 2 is provided above the support base 1. Several sets of connecting rods 3 are provided above the support base 1. The several sets of connecting rods 3 are arranged in an L-shape, and one end of each set of connecting rods 3 is connected to the opposite side walls of the seat cushion body 2. Two sets of seat handles 4 are provided above the support base 1. One set of seat handles 4 is connected to the top of the two sets of connecting rods 3, and the bottom end of the other set of seat handles 4 is connected to the top of the set of connecting rods 3.

[0026] A backrest adjuster 5 is provided above the support base 1. One end of the backrest adjuster 5 is connected to a set of seat handles 4, and one end of the seat handles 4 is provided with a control button 6. A backrest main rod 7 is provided at the upper end of the support base 1. A connecting rod 8 is provided through the bottom end of the backrest main rod 7. The backrest main rod 7 and the seat cushion body 2 are rotatably connected through the connecting rod 8, and one end of the connecting rod 8 is connected to the backrest adjuster 5. A first back cushion 9 is provided above the seat cushion body 2.

[0027] Specifically, a backrest angle adjuster 5 is provided above the support base 1. When in use, the user controls the backrest angle adjuster 5 by pressing the control button 6, thereby driving the connecting rod 8 to rotate through the backrest angle adjuster 5, so that the rotation of the connecting rod 8 drives the backrest main rod 7 to adjust the angle.

[0028] A second back cushion 10 is provided above the main body of the seat cushion 2. Both the first back cushion 9 and the second back cushion 10 are located inside the main backrest 7, and both the first back cushion 9 and the second back cushion 10 are rotatably connected to the inner wall of the main backrest 7. A first adjuster 11 is provided at the upper end of one side outer wall of the main backrest 7, and a second adjuster 12 is provided at the lower end of the same side wall of the main backrest 7. The first adjuster 11 is connected to the first back cushion 9, and the second adjuster 12 is connected to the second back cushion 10.

[0029] Specifically, the first adjuster 11 is connected to the first back pad 9, and the second adjuster 12 is connected to the second back pad 10. The user can adjust the first back pad 9 and the second back pad 10 respectively. The entire surface of the device is covered with fabric, which can limit the rotation angle of the first back pad 9 and the second back pad 10, so as not to affect the user's normal use.

[0030] Two sets of rectangular plates 13 are symmetrically arranged above the main body of the seat cushion 2. Both sets of rectangular plates 13 are located at the top of the backrest main rod 7. A headrest 14 is provided above the main body of the seat cushion 2. The headrest 14 is located between the two sets of rectangular plates 13, and a radio 15 is embedded inside the headrest 14. A protective shell 16 is provided above the main body of the seat cushion 2. The protective shell 16 is connected to one set of rectangular plates 13. A third adjuster 17 is provided above the main body of the seat cushion 2. The third adjuster 17 is located inside the protective shell 16.

[0031] Specifically, the headrest 14 of the chair is rotatably connected to the two sets of rectangular plates 13 via a third adjuster 17. The user can adjust the angle of the headrest 14 via the third adjuster 17. Since the third adjuster 17 is located inside the protective shell 16, it can prevent passengers behind from moving the third adjuster 17, thus improving the ease of use of the equipment.

[0032] The headrest 14 of the chair is rotatably connected to the two sets of rectangular plates 13 through a third adjuster 17. A movable door 18 is embedded in one side wall of the support base 1. The interior of the support base 1 is a cavity structure. A shock-absorbing spring 19 is provided inside the support base 1. A connecting panel 20 is slidably attached inside the support base 1. The bottom of the connecting panel 20 is elastically connected to the top of the shock-absorbing spring 19, and the top of the connecting panel 20 is connected to the seat cushion body 2.

[0033] The top of the seat cushion body 2 is provided with a limiting groove 21, and the surface of the seat cushion body 2 is provided with a protective pad 22, which is embedded in the limiting groove 21.

[0034] Specifically, a connecting panel 20 is slidably fitted inside the support base 1. The bottom of the connecting panel 20 is elastically connected to the top of the shock-absorbing spring 19. When the user sits on the seat body 2, the seat body 2 moves the connecting panel 20 downward due to gravity, thereby pressing the shock-absorbing spring 19. When the aircraft encounters turbulence, the shock-absorbing spring 19 can reduce the turbulence and make the user more comfortable.

[0035] The working principle of the adjustable backrest angle aircraft seat frame proposed in this embodiment is as follows:

[0036] When in use, the user controls the backrest angle adjuster 5 by pressing and holding the control button 6, which in turn drives the connecting rod 8 to rotate, thereby adjusting the angle of the backrest main rod 7.

[0037] The first back pad 9 is connected to the first adjuster 11, and the second back pad 10 is connected to the second adjuster 12, so that the user can adjust the first back pad 9 and the second back pad 10 respectively.

[0038] The headrest 14 of the chair is rotatably connected to the two sets of rectangular plates 13 via the third adjuster 17, and the user can adjust the angle of the headrest 14 of the chair via the third adjuster 17.

[0039] Since the third regulator 17 is located inside the protective housing 16, it can prevent passengers behind from activating the third regulator 17, thus improving the ease of use of the equipment.

[0040] A connecting panel 20 is provided inside the support base 1 and slides in contact with it. The bottom of the connecting panel 20 is elastically connected to the top of the shock-absorbing spring 19. When the user sits on the seat body 2, the seat body 2 moves the connecting panel 20 downward due to gravity.

[0041] This compresses the damping spring 19, which can reduce turbulence when the aircraft encounters it, making the user more comfortable.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An aircraft seat frame with adjustable backrest angle, comprising a support base (1), characterized in that: A seat cushion body (2) is provided above the support base (1). A backrest main rod (7) is provided at the upper end of the support base (1). A first back cushion (9) is provided above the seat cushion body (2). A second back cushion (10) is provided above the seat cushion body (2). A first adjuster (11) is provided at the upper end of one side outer wall of the backrest main rod (7). A second adjuster (12) is provided at the lower end of the same side wall of the backrest main rod (7). A chair headrest (14) is provided above the seat cushion body (2). A third adjuster (17) is provided above the seat cushion body (2). A shock-absorbing spring (19) is provided inside the support base (1). A connecting panel (20) is slidably fitted inside the support base (1). A limiting groove (21) is opened at the top of the seat cushion body (2). A protective pad (22) is provided on the surface of the seat cushion body (2).

2. The adjustable backrest angle aircraft seat frame according to claim 1, characterized in that: The support base (1) is provided with several sets of connecting rods (3) above it. The several sets of connecting rods (3) are arranged in an L-shaped structure, and one end of each set of connecting rods (3) is connected to the opposite side walls of the seat body (2). The support base (1) is provided with two sets of seat handles (4) above it.

3. The adjustable backrest angle aircraft seat frame according to claim 2, characterized in that: One set of seat handles (4) is connected to the top of two sets of connecting rods (3), and the bottom end of another set of seat handles (4) is connected to the top of a set of connecting rods (3). A backrest adjuster (5) is provided above the support base (1). One end of the backrest adjuster (5) is connected to a set of seat handles (4), and one end of the seat handles (4) is provided with a control button (6).

4. The adjustable backrest angle aircraft seat frame according to claim 3, characterized in that: The bottom end of the backrest main rod (7) is provided with a connecting rod (8). The backrest main rod (7) and the seat cushion body (2) are rotatably connected through the connecting rod (8), and one end of the connecting rod (8) is connected to the backrest angle adjuster (5).

5. The adjustable backrest angle aircraft seat frame according to claim 1, characterized in that: The first back pad (9) and the second back pad (10) are both located inside the backrest main rod (7), and the first back pad (9) and the second back pad (10) are rotatably connected to the inner wall of the backrest main rod (7). The first adjuster (11) is connected to the first back pad (9), and the second adjuster (12) is connected to the second back pad (10).

6. The adjustable backrest angle aircraft seat frame according to claim 2, characterized in that: Two sets of rectangular plates (13) are symmetrically arranged above the main body of the seat cushion (2). Both sets of rectangular plates (13) are located at the top of the backrest main rod (7). The headrest (14) is located between the two sets of rectangular plates (13), and a radio (15) is embedded inside the headrest (14).

7. The adjustable backrest angle aircraft seat frame according to claim 6, characterized in that: The seat cushion body (2) is provided with a protective shell (16) on top. The protective shell (16) is connected to a set of rectangular plates (13). The third adjuster (17) is located inside the protective shell (16).

8. The adjustable backrest angle aircraft seat frame according to claim 1, characterized in that: The headrest (14) of the chair is rotatably connected to the two sets of rectangular plates (13) through the third adjuster (17). A movable door (18) is embedded in one side wall of the support base (1). The interior of the support base (1) is a cavity structure. The bottom of the connecting panel (20) is elastically connected to the top of the shock-absorbing spring (19), and the top of the connecting panel (20) is connected to the seat cushion body (2). The protective pad (22) is embedded in the limiting groove (21).

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