CN115534783A

CN115534783A - Headrest structure and vehicle

Info

Publication number: CN115534783A
Application number: CN202211228917.8A
Authority: CN
Inventors: 陈伟; 邓冲; 丁召
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-30

Abstract

The invention provides a headrest structure and a vehicle, wherein the headrest structure comprises a headrest assembly, a neck support assembly, a first adjusting mechanism and a second adjusting mechanism, wherein the neck support assembly comprises a neck support body and neck support side wings; the neck brace side wings are rotatably connected to the two sides of the neck brace body through a second adjusting mechanism, and the second adjusting mechanism is used for adjusting the angle of the neck brace side wings relative to the neck brace body during overturning; the neck brace body is connected with the headrest assembly through a first adjusting mechanism, and the first adjusting mechanism is used for adjusting the relative position of the neck brace body and the headrest assembly in the length direction of the vehicle and/or adjusting the overturning angle of the neck brace body by taking the width direction of the vehicle as the axis. The headrest structure of the invention integrates the neck support structure which can be adjusted in multiple directions, thereby not only improving the driving comfort, but also having wide application range.

Description

Headrest structure and vehicle

Technical Field

The invention relates to the technical field of automobiles, in particular to a headrest structure and a vehicle.

Background

With the deep popularization of automobiles and the improvement of living standard, the requirements of people on the functions, the use scenes and the comfort level of the automobiles are higher and higher. Among them, the car seat is receiving much attention as an important part integrating functions, safety, comfort, and beauty.

The existing automobile seat mainly comprises a seat cushion, a backrest and a headrest, wherein the headrest and the backrest are usually relatively fixed or only have a telescopic connection relationship, so that the headrest can only support the head of a driver or a passenger, the stress on the neck cannot be effectively relieved, and the comfort of the driver or the passenger during driving or sleeping is easy to cause.

Disclosure of Invention

The invention solves the problems that: how to improve the comfort of the driver and passengers during the driving process or when the driver and the passengers have a rest and sleep.

In order to solve the above problems, the present invention provides a headrest structure, which comprises a headrest assembly, a neck brace assembly, a first adjusting mechanism and a second adjusting mechanism, wherein the neck brace assembly comprises a neck brace body and neck brace side wings;

the neck brace side wings are rotatably connected to two sides of the neck brace body through the second adjusting mechanism, and the second adjusting mechanism is used for adjusting the angles of the neck brace side wings when the neck brace side wings are turned relative to the neck brace body;

the neck brace body passes through first adjustment mechanism with the headrest assembly is connected, first adjustment mechanism is used for adjusting the neck brace body with the relative position of headrest assembly on vehicle length direction, and/or be used for adjusting the turnover angle that the neck brace body used vehicle width direction as the axis.

Optionally, the first adjusting mechanism includes a first adjusting member, the first adjusting member includes a driving assembly, an adjusting rod, a first mounting bracket and a second mounting bracket, and one end of the adjusting rod is connected to the driving assembly, and the other end of the adjusting rod is connected to the second mounting bracket, the first mounting bracket is connected to the headrest assembly, the second mounting bracket is connected to the neck brace body, and the driving assembly is disposed on the first mounting bracket and used for driving the adjusting rod to translate along the length direction of the vehicle.

Optionally, the driving assembly includes a motor, a transmission shaft, a gear box and a guide sleeve fixed on the first mounting bracket, the guide sleeve is sleeved on the adjusting rod and is slidably connected with the adjusting rod, the gear box is fixed on the first mounting bracket, one end of the adjusting rod, which is far away from the second mounting bracket, is connected to the motor, the transmission shaft is parallel to the adjusting rod, one end of the transmission shaft is in driving connection with the motor, the other end of the transmission shaft penetrates through the gear box, and the gear box is used for driving the transmission shaft to move through the rotating power of the transmission shaft.

Optionally, the first adjusting component further includes a limiting bracket, the adjusting rod is connected to the motor through the limiting bracket, and the limiting bracket is used for abutting against one end of the guide sleeve, which is far away from the second mounting bracket.

Optionally, the first adjusting component further includes a bushing disposed in the guide sleeve and connected to the guide sleeve, the bushing is sleeved on the adjusting rod, and the guide sleeve is sleeved on the bushing.

Optionally, the number of the adjusting rods is two, and the two adjusting rods are symmetrically arranged on two sides of the gear box and are respectively connected with two ends of the limiting support.

Optionally, the first adjusting mechanism further comprises a second adjusting component, the neck brace body is rotatably connected to the second mounting bracket through the second adjusting component, and the second adjusting component is used for adjusting the turning angle of the neck brace body with the vehicle width direction as an axis.

Optionally, the second adjustment mechanism and/or the second adjustment component is a damped hinge.

Optionally, the headrest assembly comprises a headrest body, a fixing rod and an adjusting component, the neck support body and the neck support flank are located below the headrest body, the headrest body and the first adjusting mechanism are detachably connected to the fixing rod respectively, and the adjusting component is connected to the fixing rod and used for adjusting the lifting displacement of the fixing rod.

In order to solve the above problem, the present invention also provides a vehicle including the headrest structure as described above.

Compared with the prior art, the invention has the following beneficial effects:

the neck support assembly is arranged on the headrest assembly, so that a neck support structure is integrated on the seat headrest, the neck of a driver and passengers can be supported, and the driving comfort is improved; and, can connect the neck brace body on the headrest assembly through first adjustment mechanism, so that the neck brace assembly can the back-and-forth movement and/or overturn from top to bottom when integrated on the headrest assembly, simultaneously, still can connect the neck brace flank on the neck brace body through the rotation of second adjustment mechanism, so that the neck brace flank can overturn foldingly, be convenient for wrap up the support to driver and crew's neck, so, in order to realize the multi-direction regulatory function of neck brace assembly, make the neck brace assembly can carry out the regulation of different selections to different driver and crew, thereby laminate driver and crew's neck more, be convenient for carry out effective support to driver and crew's neck when driver and crew normally takes or sleep rest, and then can satisfy the user demand of various crowds and various scenes, the commonality of headrest structure has been promoted effectively.

Drawings

FIG. 1 is a schematic structural view of a headrest structure according to an embodiment of the invention;

FIG. 2 is a schematic top view of a headrest structure according to an embodiment of the invention;

FIG. 3 is a schematic view of the arrangement of the second adjustment mechanism, the first adjustment member and the second adjustment member in the headrest structure in the embodiment of the invention;

FIG. 4 is a schematic view showing the arrangement of a first regulating member in the embodiment of the present invention;

FIG. 5 is a schematic side view of a first adjustment member arranged in accordance with an embodiment of the invention;

FIG. 6 is a side view of a headrest structure in an initial state according to an embodiment of the invention;

FIG. 7 is a side elevational view of the neck brace assembly as adjusted forwardly in accordance with an embodiment of the present invention;

FIG. 8 is a side elevational view of the neck brace assembly shown in an inverted orientation in accordance with an embodiment of the present invention;

fig. 9 is a top view of an embodiment of the neck brace assembly of the present invention with the neck brace side flaps folded inwardly.

Description of reference numerals:

1. a headrest assembly; 11. a headrest body; 12. fixing the rod; 2. a neck brace assembly; 21. a neck brace body; 211. a middle neck brace cover plate; 22. neck brace side wings; 221. a left flank; 2211. a left flank cover plate; 222. a right flank; 2221. a right flank cover plate; 3. a second adjustment mechanism; 4. a first adjustment member; 41. a drive assembly; 411. a motor; 412. a drive shaft; 413. a gear case; 414. a guide sleeve; 42. adjusting a rod; 43. a first mounting bracket; 44. a second mounting bracket; 45. a limiting bracket; 46. a fixing plate; 5. and a third adjusting member.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

The Z-axis in the drawings indicates a vertical direction, i.e., an up-down position, and a forward direction of the Z-axis (i.e., an arrow direction of the Z-axis) indicates an upward direction and a reverse direction of the Z-axis indicates a downward direction; the Y-axis in the drawing represents the horizontal direction and is designated as the left-right position, and the forward direction of the Y-axis represents the left side and the reverse direction of the Y-axis represents the right side; the X-axis in the drawings is represented as a front-rear position, with the forward direction of the X-axis representing the front side and the reverse direction of the X-axis representing the rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.

Referring to fig. 1 to 3, an embodiment of the present invention provides a headrest structure, including a headrest assembly 1, a neck brace assembly 2, a first adjusting mechanism and a second adjusting mechanism 3, where the neck brace assembly 2 includes a neck brace body 21 and neck brace side wings 22; the neck brace side wings 22 are rotatably connected to two sides of the neck brace body 21 through second adjusting mechanisms 3, and the second adjusting mechanisms 3 are used for adjusting the angles of the neck brace side wings 22 when the neck brace body 21 is turned over; the neck brace body 21 is connected with the headrest assembly 1 through a first adjusting mechanism, and the first adjusting mechanism is used for adjusting the relative position of the neck brace body 21 and the headrest assembly 1 in the length direction of the vehicle and/or adjusting the overturning angle of the neck brace body 21 by taking the width direction of the vehicle as an axis.

The vehicle width direction means the Y-axis direction in fig. 1, 3, and 4, and the left-right direction, and the vehicle length direction means the X-axis direction in the drawings, and the vehicle traveling direction, and the front-rear direction.

Specifically, in the neck brace assembly 2, the neck brace body 21 is generally used for supporting the neck of a driver and the neck brace side wings 22 are generally positioned at two sides of the neck of the driver, and meanwhile, the neck brace side wings 22, the second adjusting mechanism 3, the neck brace body 21, the first adjusting mechanism and the headrest assembly 1 are connected in sequence; the neck brace body 21 and the neck brace side wings 22 are connected in a rotating manner through the second adjusting mechanism 3, and the rotating shaft of the second adjusting mechanism 3 is approximately located in the vertical direction, and in practice, the second adjusting mechanism usually deviates from the vertical direction by a certain angle, so that the neck brace side wings 22 can be turned and folded around the rotating connection, the neck brace body 21 is connected to the headrest assembly 1 through the first adjusting mechanism, the first adjusting mechanism is used for adjusting the front and back positions of the neck brace body 21 relative to the headrest assembly 1, and/or is used for adjusting the turning angle of the neck brace body 21 with the vehicle width direction as the axis, in this embodiment, the first adjusting mechanism is used for explaining the example that the front and back positions of the neck brace body 21 can be adjusted, and the angle of the neck brace body 21 can be adjusted to be turned up and down. In use, the neck brace assembly 2 can be adjusted forwardly for support by a seated occupant using the first adjustment mechanism, as shown in fig. 6 and 7; for the driver and the passenger who need to wrap and support the neck, the second adjusting mechanism 3 can be used for turning and folding the neck support side wings 22, as shown in fig. 9, so that the neck support side wings 22 are attached to the side faces of the neck; the neck brace assembly 2 can be adjusted by a first adjustment mechanism to flip up and down, as shown in fig. 8, to fit the neck brace assembly 2 closely to the neck, for the difference in the curves of the neck of the occupant, wherein the centerline in fig. 8 represents the initial position of the neck brace assembly 2 when it is not flipped up.

In the embodiment, the neck support assembly 2 is arranged on the headrest assembly 1, so that the neck support structure is integrated on the seat headrest, the neck of a driver can be supported, and the driving comfort is improved; and, can connect the neck brace body 21 on the headrest assembly 1 through first adjustment mechanism, so that the neck brace assembly 2 can the back-and-forth movement and/or overturn from top to bottom when integrated on the headrest assembly 1, simultaneously, still can rotate the neck brace flank 22 and connect on the neck brace body 21 through second adjustment mechanism 3, so that the neck brace flank 22 can overturn foldingly, be convenient for wrap up the support to driver's passenger's neck, so as to realize the multi-direction regulatory function of neck brace assembly 2, make the neck brace assembly 2 can carry out the regulation of different selections to different driver and passenger, thereby laminate driver and passenger's neck more, be convenient for effectively support driver and passenger's neck when driver and passenger normally takes or sleep and have a rest, and then can satisfy the user demand of various crowds and various scenes, promote the commonality of headrest structure effectively.

Further, as shown in fig. 2 and 4, the neck brace side wings 22 include a left side wing 221 and a right side wing 222, and the left side wing 221 and the right side wing 222 are respectively located on both sides of the neck brace body 21 in the vehicle width direction and are respectively rotatably connected to the neck brace body 21 by the second adjustment mechanism 3.

In this embodiment, the left wing 221 and the right wing 222 are respectively disposed on the left side and the right side of the neck brace body 21, and the left wing 221 and the right wing 222 are respectively rotatably connected to the neck brace body 21 through the second adjusting mechanism 3, wherein the rotation axis direction is a vertical direction or is substantially parallel to the vertical direction. The neck brace side wings 22 on one side or two sides can be conveniently selected and adjusted by the driver and the passengers according to the needs of the driver and the passengers, so that the neck can be wrapped and supported.

Further, the neck brace body 21 mainly includes a middle face mask, a middle decorative plate and a middle neck brace cover plate 211, the left side wing 221 mainly includes a left face mask, a left decorative plate and a left side wing cover plate 2211, the right side wing 222 mainly includes a right face mask, a right decorative plate and a right side wing cover plate 2221, wherein, the left side wing cover plate 2211 is connected with the middle neck brace cover plate 211 through the second adjusting mechanism 3 rotation, the right side wing cover plate 2221 is connected with the middle neck brace cover plate 211 through the second adjusting mechanism 3 rotation, the middle neck brace cover plate 211 is connected with the second mounting bracket 44 in the first adjusting part 4 through the second adjusting part 5 introduced later.

Optionally, as shown in fig. 1 and 4, the headrest assembly 1 includes a headrest body 11, a fixing rod 12 and an adjusting component, the neck collar body 21 and the neck collar side wings 22 are located below the headrest body 11, the headrest body 11 and the first adjusting mechanism are detachably connected to the fixing rod 12, and the adjusting component is used for adjusting the lifting displacement of the fixing rod 12.

Specifically, the headrest assembly 1 is generally provided with two right and left fixing rods 12, and the headrest body 11 is generally inserted on the top of the seat back through the fixing rods 12. The adjusting component can be an adjusting hole which is arranged on the fixing rod 12 at intervals and is used for being clamped with a buckle structure at the top of the seat back, so that the fixing rod 12 can be adjusted up and down in a manual mode to adjust the height of the headrest assembly 1, and the adjusting component can also be a telescopic cylinder structure connected with the fixing rod 12, so that the height of the headrest assembly 1 can be automatically adjusted by utilizing the telescopic motion of the telescopic cylinder structure. In use, the neck brace assembly 2 can be adjusted downwardly with the head restraint assembly 1 for a lower occupant and the neck brace assembly 2 can be adjusted upwardly with the head restraint assembly 1 for a higher occupant.

In this embodiment, the accessible can be dismantled first adjustment mechanism and fix on dead lever 12 to the neck brace assembly 2 that will connect on first adjustment mechanism forms with headrest assembly 1 and is connected, makes neck brace assembly 2 can adjust from top to bottom along with headrest assembly 1 together, so that neck brace assembly 2 can provide effective support to the neck of the driver and passenger of different heights, thereby has further improved neck brace assembly 2's application scope.

Optionally, as shown in fig. 3, the first adjusting mechanism includes a first adjusting component 4, the first adjusting component 4 includes a driving assembly 41, an adjusting rod 42, a first mounting bracket 43 and a second mounting bracket 44, the adjusting rod 42 is configured to be disposed along a length direction of the vehicle, one end of the adjusting rod 42 is connected to the driving assembly 41, the other end of the adjusting rod is connected to the second mounting bracket 44, the first mounting bracket 43 is connected to the headrest assembly 1, the second mounting bracket 44 is connected to the neck brace body 21, and the driving assembly 41 is disposed on the first mounting bracket 43 and is configured to drive the adjusting rod 42 to translate along the length direction of the vehicle.

Specifically, the first mounting bracket 43 is disposed generally horizontally above the second mounting bracket 44, and the left and right ends of the first mounting bracket 43 are respectively fixed to the left and right fixing rods 12 of the headrest assembly 1, and the second mounting bracket 44 is disposed generally vertically in front of the first mounting bracket 43. The driving assembly 41 may adopt a structure composed of a motor 411, a transmission shaft 412, a gear box 413, a guide sleeve 414 and the like, which is described later, or may adopt a worm gear structure or a gear rack structure to cooperate with a driving motor, or may adopt a ball screw structure to cooperate with a driving motor to realize the translational movement of the adjustment rod 42 along the length direction of the vehicle.

In this embodiment, the driving component 41 is adopted to drive the adjusting rod 42 to move back and forth to drive the neck brace body 21 and even the neck brace assembly 2 to move back and forth, so as to realize the back and forth adjustment of the neck brace assembly 2, meanwhile, the first mounting bracket 43 is arranged, and the first mounting bracket 43 is connected with the headrest assembly 1, so as to realize the connection between the first adjusting component 4 and the headrest assembly 1, and the driving component 41 is provided with a mounting position, and the second mounting bracket 44 is arranged, so as to connect the second mounting bracket 44 with the neck brace body 21, so as to realize the connection between the first adjusting mechanism and the neck brace body 21.

Further, the first adjustment member 4 further includes a fixing plate 46, the fixing plate 46 is generally welded to the fixing rod 12 of the headrest assembly 1, and the first mounting bracket 43 is generally mounted on the fixing plate 46 by a fastener such as a bolt for easy mounting and dismounting.

Alternatively, as shown in fig. 3 and 4, the driving assembly 41 includes a motor 411, a transmission shaft 412, a gear box 413, and a guide sleeve 414 fixed on the first mounting bracket 43, the guide sleeve 414 is sleeved on the adjusting rod 42 and slidably connected with the adjusting rod 42, the gear box 413 is fixed on the first mounting bracket 43, one end of the adjusting rod 42, which is far away from the second mounting bracket 44, is connected to the motor 411, the transmission shaft 412 is arranged parallel to the adjusting rod 42, one end of the transmission shaft 412 is drivingly connected with the motor 411, and the other end of the transmission shaft 412 passes through the gear box 413, and the gear box 413 is configured to drive the transmission shaft 412 to move by the rotation power of the transmission shaft 412.

Specifically, the transmission shaft 412 may be a worm, and accordingly, a worm wheel meshed with the worm is disposed in the gear box 413, and the worm wheel is axially limited, that is, the worm wheel can only rotate but cannot move axially, the transmission shaft 412 may also be a screw rod or a lead screw, and accordingly, a nut connected with the screw rod or the lead screw and a thread is disposed in the gear box 413, and the nut is fixed in the gear box 413 and cannot rotate nor move; the transmission shaft 412 may be a motor shaft of the motor 411, or may be a shaft structure drivingly connected to the motor shaft of the motor 411 through a coupling.

In this embodiment, the motor 411 drives the transmission shaft 412 to rotate, the gear box 413 drives the transmission shaft 412 to rotate and move axially along the transmission shaft 412 by using the rotation power of the transmission shaft 412, and under the restriction action of the guide sleeve 414 and the adjusting rod 42, the motor 411 cannot rotate along with the transmission shaft 412 but moves axially along the transmission shaft 412, so as to drive the adjusting rod 42 to slide back and forth along the guide sleeve 414, at this time, the guide sleeve 414 can also guide the back and forth movement of the adjusting rod 42, and further drive the second mounting bracket 44 and the neck brace body 21 connected to the second mounting bracket 44 to move back and forth, so as to realize the back and forth adjustment of the neck brace assembly 2. In addition, when the adjusting rod 42 moves backward together with the motor 411 to the position where the second mounting bracket 44 abuts against the front end of the guide sleeve 414, the adjusting rod 42 stops moving backward, and at this time, the neck brace assembly 2 moves backward to the initial position, so that the cooperation between the second mounting bracket 44 and the guide sleeve 414 can limit the neck brace assembly 2 when moving backward.

Optionally, as shown in fig. 3 and 4, the first adjusting component 4 further includes a limiting bracket 45, the adjusting rod 42 is connected to the motor 411 through the limiting bracket 45, and the limiting bracket 45 is configured to abut against an end of the guide sleeve 414 far away from the second mounting bracket 44.

In this embodiment, in the process that the adjusting rod 42 moves forward along with the motor 411, when the adjusting rod 42 moves to the position-limiting bracket 45 and abuts against the rear end of the guide sleeve 414, the adjusting rod 42 stops moving forward, and at this time, the neck brace assembly 2 is adjusted forward to the maximum displacement position, so as to realize the position-limiting effect of the position-limiting bracket 45 on the forward movement of the neck brace assembly 2.

Optionally, the first adjusting component 4 further includes a bushing disposed in the guide sleeve 414 and connected to the guide sleeve 414, the bushing is sleeved on the adjusting rod 42, and the guide sleeve 414 is sleeved on the bushing.

In this embodiment, the bush is usually made of materials such as soft metal, rubber, nylon and non-metal polymer, can bear vibration, friction, corrosion and the like, and can avoid the direct contact friction with the hard guide sleeve 414 of the adjusting rod 42, thereby protecting the adjusting rod 42, and meanwhile, the bush is convenient to replace after being damaged, and is low in cost.

Alternatively, as shown in fig. 3 and 4, two adjusting rods 42 are provided, and the two adjusting rods 42 are symmetrically arranged on two sides of the gear box 413 and are respectively connected to two ends of the limiting bracket 45.

Therefore, two adjusting rods 42 are symmetrically arranged to push the neck support assembly 2 to move forwards or pull the neck support assembly 2 to move backwards, so that the stability of the neck support assembly 2 in moving forwards and backwards can be guaranteed.

Optionally, as shown in fig. 3 and 4, the first adjusting mechanism further includes a second adjusting member 5, the neck brace body 21 is rotatably connected to the second mounting bracket 44 through the second adjusting member 5, and the second adjusting member 5 is used for adjusting the turning angle of the neck brace body 21 with the vehicle width direction as an axis.

Specifically, the neck brace assembly 2 and the headrest assembly 1 are hollow structures with cavities, the second adjusting mechanism 3 is arranged in the cavity of the neck brace assembly 2, most of the components of the first adjusting component 4 are positioned in the cavity of the headrest assembly 1, and the second adjusting component 5 is positioned in the outer space of the neck brace assembly 2 and the headrest body 11.

In this embodiment, the accessible sets up the second regulating part 5 that is used for adjusting the upset angle that neck brace body 21 used vehicle width direction as the axis to be connected second regulating part 5 and the second installing support 44 of first regulating part 4, in order to realize the upper and lower upset of neck brace assembly 2 and adjust, moreover, the in-process that neck brace assembly 2 moved around just can realize overturning from top to bottom, makes the multi-direction regulation of neck brace assembly 2 more nimble.

Optionally, as shown in conjunction with fig. 3 and 5, the second adjustment mechanism 3 and/or the second adjustment member 5 is a damped hinge.

Therefore, the adjustment of the vertical turning angle of the neck brace assembly 2 or the adjustment of the folding angle of the neck brace side wings 22 can be realized by utilizing the limiting function of the damping hinge, so that the operation is convenient, and the structure is simple.

Another embodiment of the present invention provides a vehicle including the headrest structure described above.

The vehicle in this embodiment includes a seat with a headrest structure mounted on top of a seat back. In addition, the beneficial effects of the vehicle in this embodiment with respect to the prior art are the same as the above-mentioned headrest structure, and are not described herein again.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications are intended to fall within the scope of the invention.

Claims

1. The headrest structure is characterized by comprising a headrest assembly (1), a neck support assembly (2), a first adjusting mechanism and a second adjusting mechanism (3), wherein the neck support assembly (2) comprises a neck support body (21) and neck support side wings (22);

the neck brace side wings (22) are rotatably connected to two sides of the neck brace body (21) through the second adjusting mechanism (3), and the second adjusting mechanism (3) is used for adjusting the angle of the neck brace side wings (22) relative to the neck brace body (21) during overturning;

the neck collar body (21) passes through first adjustment mechanism with headrest assembly (1) is connected, first adjustment mechanism is used for adjusting neck collar body (21) with headrest assembly (1) is in the ascending relative position of vehicle length direction, and/or is used for adjusting the upset angle that neck collar body (21) used vehicle width direction as the axis.

2. The headrest structure according to claim 1, characterized in that the first adjustment mechanism comprises a first adjustment member (4), the first adjustment member (4) comprises a driving assembly (41), an adjustment rod (42), a first mounting bracket (43) and a second mounting bracket (44), one end of the adjustment rod (42) is connected with the driving assembly (41), the other end is connected with the second mounting bracket (44), the first mounting bracket (43) is connected with the headrest assembly (1), the second mounting bracket (44) is connected with the neck brace body (21), and the driving assembly (41) is arranged on the first mounting bracket (43) and is used for driving the adjustment rod (42) to translate along the length direction of the vehicle.

3. The headrest structure according to claim 2, wherein the driving assembly (41) includes a motor (411), a transmission shaft (412), a gear box (413) and a guide sleeve (414) fixed on the first mounting bracket (43), the guide sleeve (414) is sleeved on the adjusting rod (42) and is slidably connected with the adjusting rod (42), the gear box (413) is fixed on the first mounting bracket (43), one end of the adjusting rod (42) far away from the second mounting bracket (44) is connected to the motor (311), the transmission shaft (412) is arranged in parallel with the adjusting rod (42), one end of the transmission shaft (412) is drivingly connected with the motor (411), and the other end of the transmission shaft passes through the gear box (413), and the gear box (413) is used for driving the transmission shaft (412) to move by the rotating power of the transmission shaft (412).

4. The headrest structure according to claim 3, characterized in that said first adjustment means (4) further comprises a limit bracket (45), said adjustment lever (42) being connected to said motor (411) through said limit bracket (45), said limit bracket (45) being adapted to abut against an end of said guide sleeve (414) remote from said second mounting bracket (44).

5. The headrest structure according to claim 3, characterized in that said first adjustment means (4) further comprises a bushing disposed inside said guide sleeve (414) and connected to said guide sleeve (414), said bushing being disposed on said adjustment lever (42), said guide sleeve (414) being disposed on said bushing.

6. The headrest structure according to claim 4, characterized in that the number of the adjusting rods (42) is two, and the two adjusting rods (42) are symmetrically arranged on two sides of the gear box (413) and are respectively connected with two ends of the limiting bracket (45).

7. The headrest structure according to claim 2, characterized in that the first adjustment mechanism further includes a second adjustment member (5), the neck collar body (21) being rotatably connected to the second mounting bracket (44) through the second adjustment member (5), the second adjustment member (5) being for adjusting a turning angle of the neck collar body (21) about the vehicle width direction as an axis.

8. Headrest structure according to claim 7, characterized in that said second adjustment mechanism (3) and/or said second adjustment part (5) is a damped hinge.

9. The headrest structure according to claim 1, characterized in that the headrest assembly (1) comprises a headrest body (11), a fixing rod (12) and an adjustment assembly, the collar body (21) and the collar side wings (22) are located below the headrest body (11), and the headrest body (11) and the first adjustment mechanism are detachably connected to the fixing rod (12), respectively, and the adjustment assembly is connected to the fixing rod (12) and is used for adjusting the lifting displacement of the fixing rod (12).

10. A vehicle comprising a headrest structure according to any one of claims 1 to 9.