CN214776589U

CN214776589U - Aviation seat framework with cushioning function

Info

Publication number: CN214776589U
Application number: CN202120874357.8U
Authority: CN
Inventors: 侯卫东
Original assignee: Shenzhen Shouzheng Aviation Industry Co ltd
Current assignee: Shenzhen Shouzheng Aviation Industry Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-19
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an aviation seat framework with cushioning function, which comprises a backrest part and a cushion part, wherein the backrest part and the cushion part are movably connected together through a bolt piece, the backrest part comprises a backrest framework, a cushioning plate and a connecting strip, the backrest framework is in a U-shaped structure and is provided with two mutually parallel fixing rods and a connecting rod for connecting the fixing rods; the bradyseism board pass through the buffering strip with the dead lever activity links to each other, and the buffering strip includes first buffering strip and second buffering strip, and first buffering strip and second buffering strip set up respectively on the upper portion and the lower part position of bradyseism board, and the both ends of connecting rod are fixed on two dead levers, the utility model discloses be provided with buffer at the back of seat to can effectively reduce the impact force, utilize simple structure just can realize the protection to astronaut, improved stability when reduce cost.

Description

Aviation seat framework with cushioning function

Technical Field

The invention relates to the field of aviation seats, in particular to an aviation seat framework with a cushioning function.

Background

Along with the rapid development of aerospace industry, the requirement on spacecraft parts is higher and higher, meanwhile, the life safety of astronauts is guaranteed to be more important, in the landing impact of manned spacecraft, a seat buffer system has important significance on the protection of astronauts, the landing is the final step of manned space activities and is also the final sign of success or failure of manned space missions, the stable descending speed of a returning capsule entering an atmosphere layer after being decelerated by a parachute is about 6-8 m/s, the returning capsule can generate larger impact overload when landing at the speed, and damage is possibly caused to the astronauts, therefore, a landing buffer mechanism needs to be installed to absorb the energy of the returning capsule when landing, the technology of the aerospace seat buffer system is gradually mature, but the problems of higher cost, unstable performance, lower service life and the like still exist, therefore, the aerospace seat buffer system has reasonable structure and simple use, the aviation seat buffering energy-absorbing device with low cost, stable performance and long service life becomes the key point of the design.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned technique, the utility model provides an aviation seat skeleton with bradyseism function is provided with buffer at the back of seat to can effectively reduce the impact force, utilize simple structure just can realize the protection to astronaut, improved stability when reduce cost.

In order to achieve the purpose, the utility model provides an aviation seat framework with a cushioning function, which comprises a backrest part and a cushion part, wherein the backrest part and the cushion part are movably connected together through a bolt piece, the backrest part comprises a backrest framework, a cushioning plate and a connecting strip, the backrest framework is in a U-shaped structure and is provided with two mutually parallel fixed rods and a connecting rod for connecting the fixed rods; the damping plate is movably connected with the fixing rods through the damping strips, the damping strips comprise first damping strips and second damping strips, the first damping strips and the second damping strips are arranged on the upper portion and the lower portion of the damping plate respectively, and two ends of the connecting rod are fixed on the two fixing rods.

Preferably, the shock absorption plate is arranged in parallel with the fixed rod, the front part of the shock absorption plate faces the cushion part, the rear part of the shock absorption plate is provided with a plurality of bayonets and lugs, and the bayonets and the lugs are not on the same straight line; the first buffer strip and the second buffer strip penetrate through the bayonets or are wound around the bumps, and the fixing of the shock absorption plate is achieved.

Preferably, the fixing rod is provided with a sleeve, and both ends of the first buffer strip are inserted into the sleeve and rotate in the sleeve by a certain angle.

Preferably, the fixing rod is further provided with a rotating part, the rotating part comprises a spring and a rotating block, the rotating block is movably connected to the fixing rod, a through hole is formed in one side of the rotating block, one end of the spring is buckled in the through hole, the other end of the spring is connected with the fixing rod, and the second buffer strip is buckled in the through hole and connected with the rotating part.

Preferably, the connecting strip is arranged between the shock absorption plate and the connecting rod, and a plurality of bending parts are arranged on the connecting strip.

Preferably, a support strip for placing the pillow is further arranged in the middle of the connecting rod.

Preferably, the bolt piece comprises a bolt plate and an adjusting knob, two ends of the bolt plate are connected with the fixing frame, and the adjusting knob is arranged at the outer position of the fixing rod and connected with the bolt plate to control the bolt plate to rotate.

Preferably, the cushion part comprises a supporting seat and a plurality of bearing strips, the bearing strips are arranged at the middle position of the supporting seat and are made of elastic steel.

The utility model has the advantages that: compared with the prior art, the utility model provides an aviation seat skeleton with bradyseism function through setting up buffer at back portion to reach the effect of buffering energy-absorbing, at first be provided with the bradyseism board, the cooperation buffering strip is realized supporting astronaut's back, then the buffering strip can carry out certain angular rotation, like this when the bradyseism board receives the impact, thereby the buffering strip accessible rotates and reduces the impact force to the bradyseism board, reaches the effect of bradyseism of subtracting.

Drawings

FIG. 1 is a main structure view of the present invention;

fig. 2 is a front view of the backrest of the present invention;

fig. 3 is a rear view of the backrest of the present invention.

The main element symbols are as follows:

1. back rest 2, cushion part 3, latch member 110, fixing rod 111, sleeve 112 and rotary member

113. Spring 114, rotating block 120, connecting rod 130, connecting strip 131, bending part 140 and shock absorption plate

150. The first buffer strip 160, the second buffer strip 21, the support seat 22, the receiving strip 31, the adjusting knob 32 and the latch plate.

Detailed Description

In order to more clearly describe the present invention, the present invention and embodiments are further described below with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides an aviation seat frame with a cushioning function, which comprises a backrest part 1 and a cushion part 2, wherein the backrest part 1 and the cushion part 2 are movably connected together through a bolt piece 3, the backrest part 1 comprises a backrest frame, a cushioning plate 140 and a connecting strip 130, the backrest frame is in a U-shaped structure and is provided with two parallel fixing rods 110 and a connecting rod 120 for connecting the fixing rods 110; the shock absorption plate 140 is movably connected with the fixing rods 110 through buffer strips, each buffer strip comprises a first buffer strip 150 and a second buffer strip 160, the first buffer strip 150 and the second buffer strip 160 are respectively arranged at the upper part and the lower part of the shock absorption plate 140, and two ends of the connecting rod 120 are fixed on the two fixing rods 110. The back cushion is applied to the aircraft, and as is well known, in the process of ascending or descending of the aircraft, the back of a person is always attached to the backrest part under the action of inertia, so that the requirement on the comfort and the cushioning of the backrest part is high; in specific application, the bradyseism board is bilayer structure, including two bradyseism baffles that are parallel to each other, adopts the spring to connect between two bradyseism baffles, and all the other space positions are filled with the foam-rubber cushion, just so can more step-by-step reinforcing bradyseism ability, and when the bradyseism board received the impact force, certain bradyseism effect can be played to spring and foam-rubber cushion between the bradyseism baffle, and the rotation of cooperation buffering strip to reach better bradyseism effect.

In order to realize the scheme, the shock absorption plate 140 is arranged in parallel with the fixed rod 110, the front part of the shock absorption plate 140 faces the cushion part 2, and the rear part of the shock absorption plate 140 is provided with a plurality of bayonets and lugs which are not on the same straight line; the first and

second cushioning strips

150 and 160 pass through the bayonet or the winding protrusion to fix the cushioning plate 140. In the embodiment, the rear part of the shock absorption plate is provided with the convex block and the bayonet, so that the comfort of the front part can be effectively enhanced; thereby first buffering strip and second buffering strip are provided with the arc region of a plurality of differences and insert to bayonet socket or twine the lug, can effectively fix the bradyseism board like this for buffering strip and bradyseism board can not take place to shift at the motion in-process.

The fixing rod 110 is provided with a sleeve 111, and both ends of the first buffer strip 150 are inserted into the sleeve 111 to rotate at a certain angle in the sleeve 111. The fixing rod 110 is further provided with a rotating part 112, the rotating part 112 comprises a spring 113 and a rotating block 114, the rotating block 114 is movably connected to the fixing rod 110, a through hole is formed in one side of the rotating block 114, one end of the spring 113 is buckled in the through hole, the other end of the spring 113 is connected with the fixing rod 110, and a second buffer strip 160 is buckled in the through hole and connected with the rotating part 112. In this embodiment, when the bradyseism board receives the impact, the bradyseism board can take place the displacement of certain degree, and first buffering strip can take place the rotation of certain angle because telescopic existence, certain angle's selection also takes place for the rotating member simultaneously, stretch to the spring simultaneously, then the spring resumes deformation, drive the rotating member and take place the reseing of certain degree, though can't resume to the position before receiving the impact, but because the effect of the rotation of first buffering strip and rotating member, thereby the conversion has been carried out to some effort, the effect of energy-absorbing has been reached, and the effect of buffering has been reached in the reseing of spring.

The connection bar 130 is disposed between the shock absorbing plate 140 and the connection rod 120, and the connection bar 130 is provided with a plurality of bent portions 131. A support bar 121 for placing a pillow is further arranged in the middle of the connecting rod 120. In this embodiment, be provided with the flexion, can be provided with neck protector at the flexion, and the existence of flexion makes neck protector can not take place to shift, and compares in the direct structure, and flexion compressive resistance effect is better, and the position of support bar sets up the pillow to give the better experience of user.

The bolt piece 3 comprises a bolt plate 32 and an adjusting knob 31, two ends of the bolt plate 32 are connected with the fixing frame 110, the adjusting knob 31 is arranged at the outer position of the fixing rod 110 and connected with the bolt plate 32 to control the bolt plate 32 to rotate, in the specific embodiment, the adjusting knob is meshed with one end of the fixing rod, so that the fixing rod can move through rotation of the adjusting knob, rotation of the backrest part is effectively achieved, and a user can adjust the position of the backrest part according to requirements.

The cushion part 2 comprises a supporting seat 21 and a plurality of supporting strips 22, the supporting strips 22 are arranged at the middle position of the supporting seat 21, and the supporting strips 22 are made of elastic steel.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. The aviation seat framework with the cushioning function is characterized by comprising a backrest part and a cushion part, wherein the backrest part and the cushion part are movably connected together through a bolt piece; the damping plate is movably connected with the fixing rods through the damping strips, the damping strips comprise first damping strips and second damping strips, the first damping strips and the second damping strips are arranged on the upper portion and the lower portion of the damping plate respectively, and two ends of the connecting rod are fixed on the two fixing rods.

2. The aircraft seat framework with the cushioning function as claimed in claim 1, wherein the cushioning plate is arranged in parallel with the fixing rod, the front part of the cushioning plate faces the cushion part, and the rear part of the cushioning plate is provided with a plurality of bayonets and projections which are not on the same straight line; the first buffer strip and the second buffer strip penetrate through the bayonets or are wound around the bumps, and the fixing of the shock absorption plate is achieved.

3. The aircraft seat framework with the cushioning function as claimed in claim 1, wherein a sleeve is provided on the fixing rod, and both ends of the first cushioning strip are inserted into the sleeve to rotate in the sleeve at a certain angle.

4. The aircraft seat framework with the cushioning function as claimed in claim 1, wherein the fixing rod is further provided with a rotating member, the rotating member comprises a spring and a rotating block, the rotating block is movably connected to the fixing rod, one side of the rotating block is provided with a through hole, one end of the spring is buckled in the through hole, the other end of the spring is connected with the fixing rod, and the second cushioning strip is buckled in the through hole and connected with the rotating member.

5. The aircraft seat framework with cushioning function of claim 1, wherein said connecting strip is disposed between the cushioning plate and the connecting rod, and a plurality of bending portions are disposed on said connecting strip.

6. The aircraft seat framework with the cushioning function as claimed in claim 1, wherein a support bar for placing a pillow is further disposed at the middle position of the connecting rod.

7. The aircraft seat framework with the cushioning function of claim 1, wherein the latch member comprises a latch plate and an adjusting knob, two ends of the latch plate are connected with the fixing frame, and the adjusting knob is arranged at an outer position of the fixing rod and connected with the latch plate to control the latch plate to rotate.

8. The aircraft seat framework with the cushioning function according to claim 1, wherein the cushion part comprises a plurality of supporting seats and a plurality of receiving strips, the receiving strips are arranged in the middle of the supporting seats, and the receiving strips are made of elastic steel.