CN220924502U

CN220924502U - Aviation seat headrest

Info

Publication number: CN220924502U
Application number: CN202322927752.XU
Authority: CN
Inventors: 王思平; 王中华; 张先云; 张造诣; 韦中钟; 龚豪; 李文霄; 宋华忠; 郭文娟
Original assignee: Xiangyang Jinhualian Aviation Technology Co ltd
Current assignee: Xiangyang Jinhualian Aviation Technology Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-05-10
Anticipated expiration: 2033-10-31

Abstract

The utility model belongs to the technical field of aviation seats, and discloses an aviation seat headrest, which comprises a pillow pad, a folding pillow plate and a rear cover, wherein the pillow pad is fixedly arranged on the folding pillow plate; according to the utility model, the bending mechanism is arranged on the back of the folding pillow plate, so that the two sides of the pillow pad of the headrest can be bent and tilted towards the middle part, and the head and the neck of a passenger are effectively supported during sleeping of the passenger, so that injuries to the head and neck of the passenger caused by factors such as shaking of a vehicle body are prevented, discomfort such as neck ache after sleeping caused by sleeping of the passenger is effectively solved, and the overall comfort performance of the aviation seat is effectively improved.

Description

Aviation seat headrest

Technical Field

The utility model relates to the technical field of aviation seats, in particular to an aviation seat headrest.

Background

The seat headrest plays a role in supporting and protecting the head of an occupant. The existing aircraft seat headrest has the functions of height adjustment and angle adjustment or both. However, during travel, especially long travel, passengers often need to rest at a nap, and the current aircraft seat head rest is supported behind the brain in a plane, after the passengers are asleep, the passengers cannot well support the heads of the passengers, and discomfort such as neck ache and the like are easily caused after the passengers wake up, so that the comfort performance of the aircraft seat is greatly affected.

Disclosure of utility model

The utility model aims to provide an aviation seat headrest, which effectively solves the problems existing in the prior art.

The utility model is realized in the following way:

The aviation seat headrest comprises a pillow pad, a folding pillow plate and a rear cover, wherein the pillow pad is fixedly arranged on the front surface of the folding pillow plate, the rear cover is fixedly arranged on the back surface of the folding pillow plate, the folding pillow plate comprises a main plate and two side plates, the two side plates are hinged to the left side and the right side of the main plate, and a bending mechanism is arranged on the back surface of the folding pillow plate;

The bending mechanism comprises a main shaft, the main shaft is rotationally connected to the center of the back of the main board, an adjusting gear and a second bevel gear are sequentially and fixedly connected to the surface of the main shaft, a first bevel gear is meshed with one side of the second bevel gear, the first bevel gear is fixedly installed at the bottom end of an adjusting rod, a top end bearing of the adjusting rod is connected to the top of a rear cover, the top of the adjusting rod penetrates through the top of the rear cover and is fixedly connected with an adjusting and positioning device, an upper rack and a lower rack are respectively meshed with the top and the bottom of the adjusting gear, the upper rack and the lower rack are respectively in sliding connection with the insides of two sliding grooves, the sliding grooves are fixedly installed on the back of the main board, a fixing rod is fixedly connected between the top and the bottom of the inner wall of the rear cover and is positioned at the left side and the right side of the adjusting rod, the middle position of the fixing rod is hinged with one end of the curved rod, the other end of the curved rod is hinged with two hinge posts, the two hinge posts are respectively fixedly connected to the back of the rear side of the rear cover, the right end of the upper rack and the left end of the lower rack are respectively meshed with the two ends of the curved rod, and the two ends of the curved rod are respectively close to the two ends of the curved rod are hinged.

In one embodiment of the utility model, the adjusting and positioning device comprises a rotating block, the rotating block is fixedly connected to the top of the adjusting rod, a sliding cylinder, a return spring, a first plane gear and a second plane gear are sleeved outside the adjusting rod from top to bottom in sequence, the sliding cylinder is connected to the outside of the rotating block in a sliding mode, the first plane gear is fixedly connected to the bottom of the sliding cylinder, the second plane gear is fixedly connected to the top of the rear cover, the first plane gear is clamped with the second plane gear, and the return spring is fixedly connected between the bottom of the rotating block and the top of the first plane gear.

In one embodiment of the utility model, at least one protruding block is fixedly connected to the peripheral surface of the rotating block, at least one groove is formed in the periphery of the inner wall of the sliding cylinder, and the protruding block is connected to the inside of the corresponding groove in a sliding manner.

In one embodiment of the utility model, the peripheral surface of the sliding cylinder is provided with anti-skid patterns.

In one embodiment of the utility model, lifting rods are arranged on the left side and the right side of the bottom of the rear cover, and the two lifting rods are inserted into the lifting device of the chair back.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the bending mechanism is arranged on the back of the folding pillow plate, so that the two sides of the pillow pad of the headrest can be bent and tilted towards the middle part, and the head and the neck of a passenger are effectively supported during sleeping of the passenger, so that injuries to the head and neck of the passenger caused by factors such as shaking of a vehicle body are prevented, discomfort such as neck ache after sleeping caused by sleeping of the passenger is effectively solved, and the overall comfort performance of the aviation seat is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a three-dimensional exploded structure of the present utility model;

FIG. 2 is a schematic perspective view of the bending mechanism;

FIG. 3 is a schematic plan view of the present utility model in a bent state;

FIG. 4 is a schematic perspective exploded view of an adjustment positioning device;

FIG. 5 is a schematic view showing a three-dimensional structure in a daily state according to the present utility model;

fig. 6 is a schematic perspective view of the bending state of the present utility model.

Reference numerals illustrate: 1. a pillow; 2. folding the pillow plate; 21. a side plate; 22. a main board; 3. a rear cover; 4. a bending mechanism; 41. a hinge post; 42. a curved bar; 43. a push-pull rod; 44. a fixed rod; 45. a first bevel gear; 46. an adjusting rod; 47. a chute; 48. an adjusting gear; 49. a main shaft; 410. a second bevel gear; 411. a rack is arranged; 412. a lower rack; 5. adjusting the positioning device; 51. a rotating block; 511. a bump; 52. a return spring; 53. a slide cylinder; 531. a groove; 54. a first face gear; 55. and a second face gear.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples

Referring to fig. 1 to 6, the utility model provides an aviation seat headrest, which comprises a pillow 1, a folding pillow plate 2 and a back cover 3, wherein the pillow 1 is fixedly arranged on the front surface of the folding pillow plate 2, the back cover 3 is fixedly arranged on the back surface of the folding pillow plate 2, the folding pillow plate 2 comprises a main plate 22 and two side plates 21, the two side plates 21 are hinged on the left side and the right side of the main plate 22, and a bending mechanism 4 is arranged on the back surface of the folding pillow plate 2;

The bending mechanism 4 comprises a main shaft 49, the main shaft 49 is rotationally connected to the center of the back surface of the main plate 22, an adjusting gear 48 and a second bevel gear 410 are sequentially and fixedly connected to the surface of the main shaft 49, a first bevel gear 45 is meshed with one side of the second bevel gear 410, the first bevel gear 45 is fixedly arranged at the bottom end of the adjusting rod 46, the top end of the adjusting rod 46 is connected to the top of the rear cover 3 through a bearing, the top of the adjusting rod is fixedly connected with the adjusting positioning device 5 through the top of the rear cover 3, an upper rack 411 and a lower rack 412 are respectively meshed with the top and the bottom of the adjusting gear 48, the upper rack 411 and the lower rack 412 are respectively and slidably connected to the inside of the two sliding grooves 47, the sliding grooves 47 are fixedly arranged on the back surface of the main plate 22, fixing rods 44 are fixedly connected to the left and right sides of the adjusting rod 46 between the top and the bottom of the inner wall of the rear cover 3, the middle position of the fixing rods 44 is hinged with one ends of the curved rods 42, the other ends of the curved rods 42 are respectively hinged with the two hinge posts 41, the two hinge posts 41 are respectively fixedly connected to the back surfaces of the two side plates 21, the right ends of the upper rack 411 and the left ends of the lower rack 412 are respectively hinged with one ends of the two curved rods 43, and the two ends of the two curved rods 43 are respectively hinged to the two curved rods 42.

Specifically, through setting up bending mechanism 4 in the folding pillow plate 2 back department of this headrest, passenger's accessible rotation adjusts positioner 5, thereby drive regulation pole 46 and first bevel gear 45 and rotate simultaneously, thereby drive second bevel gear 410 through first bevel gear 45 and rotate, thereby drive main shaft 49 and adjusting gear 48 and rotate, thereby drive the upper rack 411 and lower rack 412 that meshes with adjusting gear 48 slide in spout 47, thereby pull two push-and-pull rods 43 motion respectively through upper rack 411 and lower rack 412 and drive two curved bars 42 and rotate with two dead levers 44 respectively as the origin, thereby draw folding pillow plate 2 both sides board 21 to take with the articulated department of mainboard 22 to rotate as the origin, thereby make both sides board 21 to the front direction bending of mainboard 22, thereby make pillow 1 crooked in "concave" font structure, fix through adjusting positioner 5 after the regulation, passenger's when using this headrest to carry out the nap, passenger's head is carried out to his head to the pillow 1 of passenger that can be stood through bending, thereby effectively prevent after a little a period of time, the neck ache condition appears in the back, thereby the aviation comfort of seat has effectively improved.

In one embodiment of the present utility model, further, the adjusting and positioning device 5 includes a rotating block 51, the rotating block 51 is fixedly connected to the top of the adjusting rod 46, a sliding cylinder 53, a return spring 52, a first planar gear 54 and a second planar gear 55 are sleeved outside the adjusting rod 46 from top to bottom in sequence, the sliding cylinder 53 is slidably connected to the outside of the rotating block 51, the first planar gear 54 is fixedly connected to the bottom of the sliding cylinder 53, the second planar gear 55 is fixedly connected to the top of the rear cover 3, the first planar gear 54 is clamped with the second planar gear 55, and the return spring 52 is fixedly connected between the bottom of the rotating block 51 and the top of the first planar gear 54.

In one embodiment of the present utility model, further, at least one protrusion 511 is fixedly connected to the peripheral surface of the rotating block 51, at least one groove 531 is formed around the inner wall of the sliding barrel 53, and the protrusion 511 is slidably connected to the inside of the corresponding groove 531.

Specifically, for the convenience adjust bending mechanism 4, and make this head lean on and can keep fixed after bending, through setting up adjusting positioning device 5 to realize, through setting up a rotatory piece 51 at the top of adjusting lever 46, through the outside cover at rotatory piece 51 establishes a slide drum 53, set up at least one recess 531 along vertical at the inner wall around slide drum 53, and set up at least one lug 511 around rotatory piece 51 that corresponds the complex, and make lug 511 slide in recess 531 inside, make slide drum 53 only can slide in the rotatory piece 51 outside along vertical direction, can not take place to rotate with it, in this embodiment, for the more smooth and easy stability that makes slide drum 53 slide, set up the cooperation of three sets of lugs 511 and recess 531, simultaneously also make the passenger rotate the rotatory piece 51 of better drive together when rotating slide drum 53, simultaneously through the bottom fixed connection first face gear 54 at slide drum 53, and through the adjusting lever 46 outside and lie in between rotatory piece 51 and first face gear 54, and set up a reset spring 52 at the fixed face gear 54 department at the back cover 3 top and correspond first face gear 54, make slide drum 53 slide, thereby can rotate the second face gear 55 on the side of lift up and take place to rotate the second face gear 55, thereby make the slide drum 53 rotate, can make the whole adjustment mechanism can be adjusted through the second face gear 55, and the passenger can make the passenger rotate the slide drum 53, thereby the whole is bent, can be adjusted, and can be rotated, and can be adjusted through the second plane gear 53, and can be rotated, thereby, the whole is bent, and can be bent.

In one embodiment of the present utility model, further, the circumference surface of the sliding tube 53 is provided with anti-skid patterns, and by providing the circumference of the sliding tube 53 with anti-skid patterns, passengers cannot easily slip and can better rotate the sliding tube 53 when holding and lifting the sliding tube 53, so that the adjustment of the headrest is very easy and convenient.

In one embodiment of the utility model, further, lifting rods are arranged on the left side and the right side of the bottom of the rear cover 3, and the two lifting rods are inserted into the lifting device of the chair back, so that passengers with different heights can adapt to the use by adjusting the height of the headrest, and the comfort level of the aero chair is improved.

The working principle of the aviation seat headrest is as follows: the passenger separates first face gear 54 and second face gear 55 through holding and pulling slide drum 53, rotates slide drum 53 afterwards, adjusts folding mechanism 4 through driving rotatory piece 51 and regulation pole 46, and after the adjustment perk of pillow 1 reaches passenger's satisfaction, releases slide drum 53, slide drum 53 resets because the effect of reset spring 52, makes first face gear 54 and second face gear 55 joint again to fix bending mechanism 4, accomplish the regulation work of this headrest.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an aviation seat headrest, includes pillow (1), folding pillow board (2) and back cover (3), pillow (1) fixed mounting in the front of folding pillow board (2), back cover (3) fixed mounting in the back of folding pillow board (2), characterized in that, folding pillow board (2) include a mainboard (22) and two curb plates (21), two curb plates (21) hinge in the left and right sides of mainboard (22), the back of folding pillow board (2) is provided with bending mechanism (4);

The bending mechanism (4) comprises a main shaft (49), the main shaft (49) is rotationally connected to the center of the back surface of the main plate (22), an adjusting gear (48) and a second bevel gear (410) are sequentially and fixedly connected to the surface of the main shaft (49), a first bevel gear (45) is meshed with one side of the second bevel gear (410), the first bevel gear (45) is fixedly arranged at the bottom end of an adjusting rod (46), the top end bearing of the adjusting rod (46) is connected to the top of the rear cover (3), the top of the adjusting rod passes through the top of the rear cover (3) and is fixedly connected with an adjusting and positioning device (5), an upper rack (411) and a lower rack (412) are meshed with the top and the bottom of the adjusting gear (48), the upper rack (411) and the lower rack (412) are respectively and slidably connected to the inside two sliding grooves (47), the sliding grooves (47) are fixedly arranged on the back surface of the main plate (22), the top and the bottom of the inner wall of the rear cover (3) are fixedly connected to the bottom of the adjusting rod (46), the top of the adjusting rod (46) is fixedly connected to the middle parts (44) at the left and right sides of the adjusting rod (46), two ends of the two fixed rods (42) are fixedly connected to the two articulated posts (41) respectively, one end of the two articulated posts (41) respectively, the right end of the upper rack (411) and the left end of the lower rack (412) are respectively hinged with one ends of two push-pull rods (43), and the other ends of the two push-pull rods (43) are respectively hinged with the parts, close to the middle parts, of the two curved rods (42).

2. The aircraft seat headrest according to claim 1, wherein the adjusting and positioning device (5) comprises a rotating block (51), the rotating block (51) is fixedly connected to the top of the adjusting rod (46), a sliding cylinder (53), a return spring (52), a first plane gear (54) and a second plane gear (55) are sequentially sleeved outside the adjusting rod (46) from top to bottom, the sliding cylinder (53) is slidably connected to the outside of the rotating block (51), the first plane gear (54) is fixedly connected to the bottom of the sliding cylinder (53), the second plane gear (55) is fixedly connected to the top of the rear cover (3), and the first plane gear (54) is clamped with the second plane gear (55), and the return spring (52) is fixedly connected between the bottom of the rotating block (51) and the top of the first plane gear (54).

3. The aircraft seat headrest according to claim 2, wherein at least one protruding block (511) is fixedly connected to the peripheral surface of the rotating block (51), at least one groove (531) is formed around the inner wall of the sliding barrel (53), and the protruding block (511) is slidably connected to the inside of the corresponding groove (531).

4. An aero-seat headrest according to claim 3, characterized in that the peripheral surface of the slide cylinder (53) is provided with anti-slip patterns.

5. The aircraft seat headrest according to claim 4, wherein lifting rods are arranged on the left side and the right side of the bottom of the rear cover (3), and the two lifting rods are inserted into lifting devices of the seat back.