Seat waist rest for large-load airplane

Abstract

The invention relates to the technical field of waist rests, and discloses a seat waist rest for a large-load aircraft, comprising: a support member capable of elastically deforming, the support member having a clamping surface and a support surface, the support surface of the support member being used for abutting the waist of a pilot; the shell is used for being installed on a seat. At least one mounting part is arranged on the shell, the clamping surface of the supporting piece is detachably connected with the mounting part after being elastically deformed, and the supporting piece is slidably arranged on the mounting part in the height direction; according to the invention, the shell is mounted on the seat, the mounting part is arranged on the shell, and the supporting piece is in clamping connection with the mounting part after elastic deformation, so that the supporting piece slides on the mounting part along the height direction to adjust the height, and meanwhile, the supporting piece with elastic deformation does not influence a pilot when the seat is ejected.

Description

Technical Field

[0001] The present invention relates to the technical field of lumbar supports, and particularly to a seat lumbar support for large-load aircraft. Background Art

[0002] When performing flight missions, pilots often need to maintain a sitting posture in the cockpit for a long time. A long sitting posture is likely to cause muscle fatigue and discomfort in the lumbar and dorsal regions. A lumbar support can provide necessary support and relieve the pressure on the lumbar and dorsal regions.

[0003] In the prior art, the method of fixing the lumbar support to the flight seat is usually adopted. However, this method is not convenient for adjusting the lumbar support up and down in the height direction of the seat. This results in that the pilot cannot adjust the lumbar support according to personal body type and comfort requirements, limiting the adaptability of the lumbar support to different pilots and thus increasing the fatigue during flight. In addition, the massage structure or lumbar support structure installed inside the car seat cannot be directly applied to the flight equipment because these structures include components such as bolts and sliding blocks, which may pose a threat to the safety of the pilot during seat ejection. Summary of the Invention

[0004] In view of this, the present invention provides a seat lumbar support for large-load aircraft to solve the problem that the lumbar support structure in the existing design cannot meet the height adjustment and avoid affecting the pilot during seat ejection when applied to the seat of large-load aircraft.

[0005] The present invention provides a seat lumbar support for large-load aircraft, including: a support member, which can elastically deform, the support member has a clamping surface and a support surface, and the support surface of the support member is used for the pilot's waist to lean against;

[0006] a housing, which is used to be installed on the seat;

[0007] at least one installation portion is provided on the housing, after the clamping surface of the support member elastically deforms, it is detachably connected to the installation portion, and the support member is slidably arranged on the installation portion in the height direction.

[0008] The housing is installed on the seat, and the installation portion is provided on the housing. After the support member elastically deforms, it is clamped and connected to the installation portion, abandoning the structure of using a hard slider in the related art. This enables the support member to slide and adjust the height in the height direction on the installation portion. At the same time, because the support member with elastic deformation will not affect the pilot during seat ejection, personalized adjustment of the pilot's waist support is realized, greatly improving the comfort and safety during long-term flight.

[0009] In an optional embodiment, the support member includes a first support portion and a second support portion. A support surface is provided on the first support portion, and the second support portion is vertically disposed on a side of the first support portion away from the support surface.

[0010] By providing the first support portion and the second support portion, the first support portion is used to support the pilot's waist, and at the same time, the second support portion is used to be clamped with the mounting portion. When the first support portion is perpendicular to the second support portion, the support surface of the first support portion can effectively support the waist. When the pilot adjusts the height of the support member, the second support portion can slide along the height direction in the mounting portion.

[0011] In an optional embodiment, the first support portion is provided with at least a first recessed portion that is recessed inward on the support surface. When the pilot leans on the first support portion, the first recessed portion accommodates the pilot's spine.

[0012] By providing the first recessed portion on the first support portion of the support member, when the pilot leans on the support member, the waist and back part abuts against the support surface of the first support member, and the spine is located in the first recessed portion, so that the pilot's waist and spine can be more comfortable, reducing the pressure on the pilot's waist and back during long flights.

[0013] In an optional embodiment, the mounting portion is a mounting groove provided on the housing, and the clamping surface of the support member is clamped into the mounting groove.

[0014] The clamping surface of the support member can be clamped to two opposite side walls of the mounting groove. During installation, the support member is elastically compressed by force and placed into the mounting groove. The clamping surface fits tightly with the side walls to ensure the stability of the support member. When the height of the support member needs to be adjusted, the support member is slid along the extending direction of the mounting groove, making the adjustment of the support member more convenient.

[0015] In an optional embodiment, a clamping member is provided at an end of the second support portion away from the first support portion. The clamping member passes through the mounting groove and is clamped and connected to the back plate.

[0016] When the second support portion is clamped into the mounting groove, the clamping member of the second support portion passes through the mounting groove and is clamped to the housing, thereby increasing the clamping firmness between the support member and the housing.

[0017] In an optional embodiment, the housing includes a back plate and a mounting shell. The back plate is detachably connected to the mounting shell. The mounting portion is provided on the back plate, and the mounting shell has an avoidance groove for avoiding the support member.

[0018] By setting the housing as a detachable back plate and a mounting shell, the support member is mounted on the back plate, and a part of the support member is located in the avoidance groove, ensuring that when the support member slides on the mounting portion, it can also slide freely in the avoidance groove.

[0019] In an alternative embodiment, a clamping device for clamping both sides of the pilot's waist is provided on one side of the housing facing the support member.

[0020] The clamping device is adjusted by rotation to closely fit the pilot's waist, providing additional support and further reducing the fatigue during long flights.

[0021] In an alternative embodiment, the clamping device includes: a first rotating member and a second rotating member symmetrically and spaced apart, a pressure member is provided between the first ends of the first rotating member and the second rotating member, and both ends of the pressure member are respectively connected to the first ends of the first rotating member and the second rotating member, and the second ends of the first rotating member and the second rotating member are rotatably connected to the housing;

[0022] When the pilot leans against the pressure member, the pressure member moves towards the housing, driving the first ends of the first rotating member and the second rotating member to move closer to each other, thereby clamping the pilot's waist.

[0023] By providing the first rotating member and the second rotating member, when the pilot leans against the support member, when the pilot is in a high-load flight state, the pilot exerts a force on the pressure at the waist position. At this time, the pressure member is stressed and moves towards one side of the housing, driving the first ends of the first rotating member and the second rotating member to move towards each other, thereby clamping the pilot's waist position.

[0024] In an alternative embodiment, the pressure member has an elastic deformation force, and the pressure member has a force that drives the first ends of the first rotating member and the second rotating member away from each other.

[0025] When the pressure member has an elastic deformation force, when the pilot relaxes and leans, the pressure member recovers its deformation, driving the ends of the rotating members away, and the waist clamping force decreases, improving comfort.

[0026] In an alternative embodiment, a through groove for avoiding the support member is provided on the pressure member.

[0027] The through groove allows the support member to move within the through groove of the pressure member, avoiding the influence of the pressure member on the movement of the support member. Description of the Drawings

[0028] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0029] Figure 1 The front view of a seat lumbar support for a large-load aircraft according to an embodiment of the present invention;

[0030] Figure 2 is Figure 1 The rear view of the seat lumbar support shown;

[0031] Figure 3 is Figure 1 The perspective view of the seat lumbar support shown;

[0032] Figure 4 is Figure 1 The exploded view of the seat lumbar support shown;

[0033] Figure 5 is Figure 4 The exploded view of the seat lumbar support from the other side perspective in

[0034] Figure 6 The cross-sectional view of another seat lumbar support according to an embodiment of the present invention.

[0035] Explanation of the reference numerals:

[0036] 1. Support member; 2. Clamping surface; 3. Support surface; 4. First support portion; 5. Second support portion; 6. First recessed portion; 7. Installation groove; 8. Clamping member; 9. Back plate; 10. Installation shell; 11. First rotating member; 12. Second rotating member; 13. Pressure member; 14. Through groove. Specific embodiments

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0038] Embodiment 1

[0039] In the current field of aviation technology, it is common to fix the lumbar support to the flight seat to provide support for the pilot's waist. However, this method has a significant limitation, that is, the lumbar support is fixed to the seat by straps. Although the height can be adjusted on the seat, it is not conducive to adjusting the lumbar support during flight. During flight, the pilot needs to adjust the height of both the lumbar support and the straps simultaneously, which greatly increases the difficulty of adjustment. Because if only the height of the lumbar support is adjusted and the height of the straps is not adjusted synchronously, the lumbar support is likely to return to its previous height after long-term use. It is inconvenient for the pilot to adjust the position of the lumbar support during flight, which greatly limits the adaptability of the lumbar support to different pilots. As a result, during a long flight, the pilot may feel more fatigued. In addition, massage structures or lumbar support structures originally designed for the interior of car seats cannot be directly applied to flight equipment. Because these structures usually contain hard components such as bolts, and these components may fall off in the event of an emergency seat ejection, posing a potential threat to the safety of the pilot.

[0040] The following will describe the embodiments of the present invention in conjunction with Figures 1 to 6 , and describe the embodiments of the present invention.

[0041] According to an embodiment of the present invention, on the one hand, a seat lumbar support for a large-load aircraft is provided, including: a support member 1 and a housing. The support member 1 is used for the person to lean on and support, and the housing is used to fix the support member 1 to the seat. The support member 1 can elastically deform, and the support member 1 has a clamping surface 2 and a support surface 3. The support surface 3 of the support member 1 is used for the pilot's waist to lean against; the housing is used to be installed on the seat. At least one installation part is provided on the housing. After the clamping surface 2 of the support member 1 elastically deforms, it is detachably connected to the installation part, and the support member 1 is slidably arranged on the installation part in the height direction.

[0042] During installation, align the clamping surface 2 of the support member 1 with the installation part of the housing. By applying force to compress the clamping surface 2 of the support member 1, align and install it with the installation part of the housing. When the support member 1 is released, the support member 1 returns to its natural state due to its elastic deformation ability. At this time, the clamping surface 2 of the support member 1 abuts and is fixed to the installation part. Through this design, the pilot can adjust the position of the lumbar support up and down according to his own needs. When the height needs to be adjusted, only need to slightly compress the support member 1 and slide it to the appropriate position, and then release it to fix, realizing height adjustment.

[0043] The housing is installed on the seat, and an installation part is provided on the housing. After the support member 1 elastically deforms, it is clamped and connected to the installation part, abandoning the structure of using a hard slider in the related technology. When the support member 1 slides and adjusts the height along the height direction on the installation part, because the support member 1 with elastic deformation will not affect the pilot during seat ejection, realizing personalized adjustment of the support for the pilot's waist, and greatly improving the comfort and safety during long flights.

[0044] Specifically, the support member 1 is connected to the seat through the clamping surface 2. The support member 1 is made of PU material with a hardness of Shore C18 degrees. The PU material has good elasticity. The finished product uses imported water-based sprayed skin material, which is soft, fireproof, non-toxic, odorless, and antibacterial. The surface is coated with nano antibacterial material and is a kind of liquid skin (the liquid skin is a hyperbranched polylysine material, which has both high-efficiency antibacterial and wound-healing promotion functions, and has no pungent smell or stinging sensation. The characteristic of the liquid skin is that it can use any color, can be closely combined with the EVA material lumbar support and the support part, is similar to the human skin, and is also called silicone skin), which can kill 99.9% of germs. The pilot can manually adjust the support height to meet personal needs. Ventilation holes are provided on both sides of the support member 1 to enhance air circulation and reduce the back temperature. In addition, the support member can also be set to EVA, and the hardness can be set to C15 or C21 degrees.

[0045] As shown in the figure, in this embodiment, the support member 1 includes: a first support part 4 and a second support part 5. A support surface 3 is provided on the first support part 4, and the second support part 5 is vertically provided on the side of the first support part 4 away from the support surface 3. The first support part 4 is of a columnar structure and is horizontally arranged. The second support part 5 is horizontally extended outward vertically on the side of the first support part 4 away from the support surface 3. A clamping surface 2 is provided on the second support part 5. During installation, the second support part 5 is aligned with the installation part on the housing, and the connection is achieved through the elastic deformation of the clamping surface 2 to ensure stability. It should be noted that, as an alternative implementation method, the first support part 4 can be set as a plate-like structure and arranged vertically, and the second support part 5 is vertically provided on the end surface of the first support part 4.

[0046] As shown in the figure, in this embodiment, the first support part 4 is at least provided with an inwardly concave first recess 6 on the support surface 3. The first recess 6 is used to accommodate the pilot's spine when the pilot leans on the first support part 4. Specifically, the first recess 6 is an annular groove and is located at the middle position in the length direction of the first support part 4. When the pilot's spine is located in the first recess 6, the positions on both sides of the first recess 6 support the muscles of the human spine, increasing the comfort of the pilot. By providing the first recess 6 on the first support part 4 of the support member 1, when the pilot leans on the support member 1, the waist and back part abuts against the support surface 3 of the first support member 1, and the spine is located in the first recess 6, making the pilot's waist and spine more comfortable and reducing the pressure on the pilot's waist and back during long flights. It should be noted that, as an alternative implementation method, the first recess 6 can also be not provided, and the support member 1 can still support the waist. It should be noted that, as an alternative implementation method, the first recess 6 can also not be set as an annular groove, and the first recess 6 can also be only provided on the support surface 3.

[0047] As shown in the figure, in this embodiment, the installation part is an installation groove 7 provided on the housing, and the clamping surface 2 of the support member 1 is clamped into the installation groove 7. In this embodiment, the installation groove 7 is a long through groove, the installation groove 7 is arranged in the vertical direction, and the two opposite surfaces of the second support portion 5 are clamping surfaces 2, and the two clamping surfaces 2 are respectively clamped with the two vertical inner side surfaces of the installation groove 7. It should be noted that, as an alternative embodiment, the installation part may not be set as a groove, but two protrusions may extend horizontally outward from the side end surface of the housing, and the protrusions are arranged at intervals. The protrusions are vertically arranged in a long strip shape, and an installation part for clamping the support member 1 is formed between the two protrusions, and the support member 1 is clamped into the installation part between the protrusions, and it can also realize the up and down sliding in the height direction.

[0048] The clamping surface 2 of the support member 1 can be clamped to the two opposite side walls of the installation groove 7. During installation, the support member 1 is elastically compressed by force, and it is placed into the installation groove 7, and the clamping surface 2 is closely attached to the side wall to ensure the stability of the support member 1. When the height of the support member 1 needs to be adjusted, the support member 1 is slid along the extension direction of the installation groove 7, making the adjustment of the support member 1 more convenient.

[0049] Embodiment Two

[0050] Some contents of Embodiment Two are the same as those of Embodiment One and will not be elaborated below. The following are different structural features.

[0051] As shown in the figure, in this embodiment, a clamping member 8 is provided at the end of the second support portion 5 away from the first support portion 4, and the clamping member 8 is clamped and connected to the housing after passing through the installation groove 7. The shape of the clamping member 8 is a dovetail shape, and the width of the clamping member 8 gradually decreases when extending outward from the end of the second support portion 5, and the width of the clamping member 8 at the connection with the first support portion 4 is greater than the width of the first support portion 4. When the support member 1 needs to be installed, the clamping member 8 is inserted into the installation groove 7, and its dovetail shape is used to realize self-locking to ensure that the support member 1 will not loosen during flight. When adjusting the height, only slide along the groove, and the clamping member 8 automatically adapts to the new position, and the operation is simple and efficient. When it needs to be disassembled, due to the elastic deformation force of the clamping member 8 and the support member 1, the clamping member 8 is compressed so that its width is less than the width of the installation groove 7, and the support member 1 can be taken out. The design of the clamping member 8 not only improves the stability of the support member 1, but also greatly simplifies the installation and disassembly process. It should be noted that, as an alternative embodiment, the clamping member 8 may not be provided, and the second support portion 5 can be clamped into the installation groove 7 to also realize the clamping of the support portion.

[0052] When the second support portion 5 is clamped into the installation groove 7, the clamping member 8 of the second support portion 5 is clamped to the housing after passing through the installation groove 7, thereby increasing the clamping firmness between the support member 1 and the housing.

[0053] As shown in the figure, in this embodiment, the housing includes a back panel 9 and a mounting shell 10. The back panel 9 is detachably connected to the mounting shell 10. Winding tapes are provided on the left and right sides of the mounting shell 10, and Velcro is provided on the winding tapes. After the back panel 9 is abutted against the mounting shell 10, the Velcro on the winding tape on one side of the mounting shell 10 bypasses the back panel 9 and is fixed to the Velcro on the winding tape on the other side. The winding tapes and Velcro are used to fix the back panel 9 and the mounting shell 10 because when the aircraft is catapulted, the back panel 9 and the mounting shell 10 need to be separated to avoid affecting the safety of the pilot. An installation part is provided on the back panel 9, and the mounting shell 10 has an avoidance groove for avoiding the support member 1. The avoidance groove is for avoiding the movement of the support member 1. The avoidance groove penetrates through the installation groove 7. The avoidance groove is a rectangular groove, and the width of the avoidance groove is greater than the thickness of the support member 1 to ensure that the support member 1 is not hindered during the sliding process. The height of the avoidance groove is higher than the height of the installation groove 7 to make the height adjustment of the support member 1 smoother. It should be noted that as an alternative implementation, the back panel 9 and the mounting shell 10 can also be snap-fixed in the form of male and female snap fasteners.

[0054] Specifically, the back panel 9 is made of a high-strength and lightweight composite material to ensure support without adding extra burden. The back panel 9 has a planar design, and the left and right sides are slightly warped towards the person to fit the curvature of the lumbar support and form a wrap. A plurality of openings are provided on the back panel 9 for ventilation and for facilitating fixation to the seat. The back panel 9 can be fixed to the seat by passing a winding tape through the openings and tying the back panel 9 to the seat. Additionally, the housing can also be fixed without using winding tapes. The housing is placed on the seat, and when a person leans on the housing, the housing is fixed.

[0055] By setting the housing as a detachable back panel 9 and mounting shell 10, the support member 1 is mounted on the back panel 9, and a part of the support member 1 is located in the avoidance groove to ensure that the support member 1 can freely slide in the avoidance groove when sliding on the installation part.

[0056] As shown in the figure, in this embodiment, a clamping device for clamping the two sides of the pilot's waist is provided on one side of the housing facing the support member 1. When the pilot sits on the chair, the clamping device can clamp the two sides of the pilot's waist and provide additional support when under large loads, wrapping the waist position of the pilot. It should be noted that as an alternative implementation, the clamping device can also be not provided, and the support member 1 can still achieve the support effect on the pilot's waist.

[0057] As shown in the figure, in this embodiment, the clamping device includes: a first rotating member 11 and a second rotating member 12 are symmetrically spaced apart, a pressure member 13 is arranged between the first end of the first rotating member 11 and the first end of the second rotating member 12, the pressure member 13 is located between the first support portion 4 of the support member 1 and the mounting shell 10, the two ends of the pressure member 13 are respectively connected to the first end of the first rotating member 11 and the first end of the second rotating member 12, and the second ends of the first rotating member 11 and the second rotating member 12 are rotatably connected to the shell. It should be noted that, as a replaceable embodiment, two pressure members 13 can be provided, one end of the pressure member 13 is rotatably connected to the first support portion 4 of the support member 1, and the other end is connected to the first rotating member 11 or the second rotating member 12. When the support member 1 is squeezed, the elastic deformation of the support member 1 drives the pressure member 13 to move, thereby driving the first rotating member 11 or the second rotating member 12 to be clamped.

[0058] When in use, the pilot sits on the seat, and the pilot's back first abuts against the support member 1, which supports the pilot's back. When the pilot continues to apply force, the pilot's force acts on the pressure member 13, causing the pressure member 13 to move toward the housing, driving the first rotating member 11 and the second rotating member 12 to rotate, that is, the first end of the first rotating member 11 and the first end of the second rotating member 12 move toward each other, and then the first rotating member 11 and the second rotating member 12 clamp the pilot's waist.

[0059] Specifically, the first rotating member 11 and the second rotating member 12 are arc-shaped with the opening facing the side of the person. The arc-shaped first rotating member 11 and the second rotating member 12 have a higher clamping degree on the waist. The arc-shaped design fits the curve of the human body and has better wrapping, further improving comfort.

[0060] By providing the first rotating member 11 and the second rotating member 12, when the pilot leans on the support member 1, when the pilot is in a high-load flight state, the pilot's waist position exerts pressure, and at this time the pressure member 13 is forced to move toward one side of the shell, driving the first end of the first rotating member 11 and the first end of the second rotating member 12 to move toward each other, thereby clamping the pilot's waist position.

[0061] As shown in the figure, in this embodiment, the pressure member 13 has an elastic deformation force, and the pressure member 13 has a force that drives the first ends of the first rotating member 11 and the second rotating member 12 away from each other. When the pilot relaxes, the pressure member 13 recovers its deformation, and the first rotating member 11 and the second rotating member 12 return to their initial states under the action of the pressure member 13. At this time, there is no contact between the first rotating member 11 and the second rotating member 12 and the pilot. When the pilot applies force again, the pressure member 13 is re-loaded, driving the rotating members to clamp the waist, ensuring stable support in different flight states and improving flight safety and comfort. When the pressure member 13 has an elastic deformation force, when the pilot relaxes and leans against it, the pressure member 13 recovers its deformation, driving the ends of the first rotating member 11 and the second rotating member 12 away from each other, and the clamping force on the waist decreases. Specifically, the pressure member 13 is an elastic thin steel sheet. It should be noted that as an alternative implementation, the pressure member 13 may not have an elastic deformation force, and two springs may be respectively provided between the first rotating member 11, the second rotating member 12 and the mounting shell 10. The springs have a force that drives the first end of the first rotating member 11 and the first end of the second rotating member 12 to move towards the housing, that is, the springs have a tensile force.

[0062] As shown in the figure, in this embodiment, a through groove 14 for avoiding the support member 1 is provided on the pressure member 13. The shape of the through groove 14 is the same as the shape of the mounting groove 7, which facilitates the movement of the support member 1 in the height direction. The through groove 14 can allow the support member 1 to move within the through groove 14 of the pressure member 13, avoiding the influence of the pressure member 13 on the movement of the support member 1. It should be noted that as an alternative implementation, the pressure member 13 may not be provided with the through groove 14, and the pressure member 13 may be provided in two, which are symmetrically arranged on both sides of the support member 1 respectively, and the avoidance of the support member 1 can also be achieved.

[0063] The installation method of the seat lumbar support for large-load aircraft: A plurality of openings are provided on the back plate 9. The back plate 9 and the mounting shell 10 are fixed by a winding belt. The first rotating member 11 and the second rotating member 12 are respectively rotatably provided on the left and right sides of the mounting shell 10. The shapes of the first rotating member 11 and the second rotating member 12 are arc-shaped. The first end of the first rotating member 11 is connected to the first end of the second rotating member 12 by a pressure member 13. There is a certain gap between the pressure member 13 and the mounting shell 10, which facilitates the movement of the pressure member 13 when it is subjected to force. The support member 1 includes: a first support portion 4 and a second support portion 5. The first support portion 4 is horizontally arranged, and the second support portion 5 is vertically arranged on the side of the first support portion 4 facing the housing. A clamping member 8 is provided at the end of the second support portion 5. The clamping member 8 is in the shape of a dovetail. After the support member 1 is installed in the mounting groove 7, the clamping member 8 of the support member 1 fits tightly with the mounting groove 7 to ensure that the support member 1 is stable and does not move. There is a gap between the first support portion 4 of the support member 1 and the housing.

[0064] Working principle of the seat lumbar support for large-load aircraft: After the pilot sits on the chair, the back leans against the support member 1. The support surface 3 of the support member 1 contacts the back, and the spinal part contacts the first recess 6 of the support member 1. When the pilot continues to apply pressure, the pressure member 13 is compressed, driving the first rotating member 11 and the second rotating member 12 to clamp inward, further conforming to the pilot's waist curve and enhancing the support effect. As the pressure is released, the pressure member 13 gradually returns to its original state, and the rotating members loosen accordingly, ensuring that the pilot's waist is effectively relaxed and supported during long flights, and improving the overall riding experience.

[0065] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A seat lumbar support for a large-load aircraft, characterized in that Comprising: A support member (1), the support member (1) being elastically deformable, the support member (1) having a clamping surface (2) and a support surface (3), the support surface (3) of the support member (1) being for the pilot's waist to rest against; A housing for mounting to a seat; A mounting portion, at least one being provided on the housing, the clamping surface (2) of the support member (1) being detachably connected to the mounting portion after elastic deformation, and the support member (1) being slidably provided on the mounting portion in the height direction.

2. The seat lumbar support for a large-load aircraft according to claim 1, characterized in that The support member (1) includes: a first support portion (4) and a second support portion (5), the first support portion (4) being provided with the support surface (3), and the second support portion (5) being vertically provided on a side of the first support portion (4) away from the support surface (3).

3. The seat lumbar support for large-load aircraft according to claim 2, characterized in that, The first support portion (4) is at least provided with an inwardly recessed first recess portion (6) on the support surface (3), and when the pilot leans against the first support portion (4), the first recess portion (6) accommodates the pilot's spine.

4. The seat lumbar support for large-load aircraft according to claim 2, characterized in that, The mounting portion is a mounting groove (7) provided on the housing, and the clamping surface (2) of the support member (1) is clamped into the mounting groove (7).

5. The seat lumbar support for large-load aircraft according to claim 4, characterized in that, A clamping member (8) is provided at an end of the second support portion (5) away from the first support portion (4), and the clamping member (8) is clamped and connected to the housing after passing through the mounting groove (7).

6. The seat lumbar support for large-load aircraft according to claim 1, characterized in that, The housing includes: a back plate (9) and a mounting shell (10), the back plate (9) being detachably connected to the mounting shell (10), the mounting portion being provided on the back plate (9), and the mounting shell (10) having an avoidance groove for avoiding the support member (1).

7. The seat lumbar support for large-load aircraft according to any one of claims 1-6, characterized in that A clamping device for clamping both sides of the pilot's waist is provided on a side of the housing facing the support member (1).

8. The seat lumbar support for large-load aircraft according to claim 7, characterized in that, The clamping device includes: a first rotating member (11) and a second rotating member (12) symmetrically and spaced apart, a pressure member (13) being provided between a first end of the first rotating member (11) and a first end of the second rotating member (12), two ends of the pressure member (13) being respectively connected to the first end of the first rotating member (11) and the first end of the second rotating member (12), and second ends of the first rotating member (11) and the second rotating member (12) being rotatably connected to the housing; When the pilot leans against the pressure member (13), the pressure member (13) moves towards the housing, driving the first ends of the first rotating member (11) and the second rotating member (12) to approach each other, thereby clamping the pilot's waist.

9. The seat lumbar support for large-load aircraft according to claim 8, characterized in that, The pressure member (13) has an elastic deformation force, and the pressure member (13) has a force for driving the first ends of the first rotating member (11) and the second rotating member (12) to move away from each other.

10. The seat lumbar support for large-load aircraft according to claim 8, characterized in that, A through groove (14) for avoiding the support member (1) is provided on the pressure member (13).

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