CN219236851U - Headrest assembly, seat and vehicle - Google Patents

Abstract

The utility model provides a headrest assembly, a seat and a vehicle. Wherein, the headrest assembly includes: the headrest comprises a main part and a wing part, wherein the wing part is positioned at the front side of the main part and comprises a first side wing, a second side wing and a middle piece, and the first side wing and the second side wing are respectively positioned at the two lateral sides of the middle piece and are rotationally connected with the middle piece; the first driving component is used for driving the first side wing and the second side wing to turn over relative to the middle piece; the second driving component is used for driving the headrest to move up and down in the height direction, and the third driving component is used for driving the wing part to move back and forth relative to the base part in the thickness direction. So as to realize the functions of height adjustment, thickness adjustment and transverse support adjustment at the same time.

Description

Headrest assembly, seat and vehicle

Technical Field

The utility model relates to the technical field of headrest assemblies, seats and vehicles.

Background

The automobile headrest is a driving riding comfort configuration article and a safety protection article, and is used for supporting the head and the neck to a certain extent. Because the heights and sitting postures of all people are different, in order to adapt to the demands of different riders, the structure of the headrest is designed to be adjustable up and down and front and back. Meanwhile, when a passenger is resting, the headrest is required to provide support for the head, so that the influence on comfort level caused by head shaking is avoided.

Disclosure of Invention

An object of the present utility model is to provide a headrest assembly.

It is another object of the present utility model to provide a seat.

It is a further object of the present utility model to provide a vehicle.

A headrest assembly according to an aspect of the utility model includes: the headrest comprises a base part and a wing part, wherein the wing part is positioned at the front side of the base part, the wing part comprises a first side wing, a second side wing and a middle piece, and the first side wing and the second side wing are respectively positioned at the two lateral sides of the middle piece and are rotationally connected with the middle piece; the first driving assembly is connected with the wing part and used for driving the first side wing and the second side wing to turn over relative to the middle piece; the second driving assembly is connected to the base and used for driving the headrest to move up and down in the height direction; the middle piece is movably connected to the base through the third driving component, and the third driving component is used for driving the wing part to move back and forth in the thickness direction relative to the base.

The technical scheme of this application is through setting up second drive assembly, third drive assembly, realizes the altitude mixture control and the thickness adjustment of headrest to set up wing portion, first drive assembly, realize the horizontal support to the head, so the headrest subassembly of this embodiment has altitude mixture control, thickness adjustment and horizontal support's function concurrently, adjusts according to the demand of difference and provides good bearing to head and neck, has promoted use travelling comfort, security and convenience.

In one or more embodiments of the headrest assembly, the first driving assembly includes a first driving member and an output member, the first driving member drives the output member to rotate, the driving member is fixedly connected to the intermediate member, and the first side wing and the second side wing are fixedly connected to the output member.

In one or more embodiments of the headrest assembly, the second driving assembly includes a second driving member, a first transmission portion and a second transmission portion, the second transmission portion is connected to the first transmission portion, the second driving member is connected to the first transmission portion and drives the first transmission portion to rotate, the rotation motion of the first transmission portion is converted into the linear motion of the first transmission portion in the height direction relative to the second transmission portion, and the second driving member and the first transmission portion are fixedly connected to the base portion so as to drive the headrest to move up and down in the height direction.

In one or more embodiments of the headrest assembly, the third driving assembly includes a third driving member, a third transmission portion and a fourth transmission portion, the fourth transmission portion is connected to the third transmission portion, the third driving member is connected to the third transmission portion and drives the third transmission portion to rotate, the rotation motion of the third transmission portion is converted into the linear motion of the third transmission portion in the thickness direction relative to the fourth transmission portion, the third driving member is fixedly connected to the intermediate member, and the fourth transmission portion is fixedly connected to the base portion so as to drive the wing portion to move back and forth relative to the base portion in the thickness direction.

In one or more embodiments of the headrest assembly, the headrest assembly further comprises a support assembly, the support assembly comprises a support rod and a support beam, the support beam is fixedly connected to the upper end of the support rod, and the support assembly is used for connecting the headrest to a backrest of a seat; the upper end of the second transmission part is fixedly connected with the supporting beam.

In one or more embodiments of the headrest assembly, the base portion includes a first guide member, and the base portion is movably connected to the support bar through the first guide member, so that the headrest can move up and down in a height direction along the support bar.

In one or more embodiments of the headrest assembly, the base portion further includes a second guide member, the third driving assembly further includes a third guide member fixedly connected to the third guide member, one side of the third guide member is fixedly connected to the intermediate member, and the other side of the third guide member is connected to the second guide member, so as to guide the wing portion to move back and forth in the thickness direction with respect to the base portion.

In one or more embodiments of the headrest assembly, the first transmission portion includes a screw sleeve, and the second transmission portion includes a screw, the screw sleeve being fit over the screw; the third transmission part comprises a gear, the fourth transmission part comprises a gear groove, and the gear is meshed with the gear groove.

A seat according to another aspect of the present utility model includes a headrest assembly as described above and a backrest, a headrest of the headrest assembly being fixedly connected to the backrest through a support rod of a support assembly of the headrest assembly.

A vehicle according to yet another aspect of the utility model comprises a seat as described above.

Drawings

The above and other features, properties and advantages of the present utility model will become more apparent from the following description of the accompanying drawings and embodiments in which like reference numerals refer to like features throughout, it being noted that these drawings are given by way of example only, which are not drawn to scale and should not be construed to limit the true scope of the utility model, wherein:

FIG. 1 is a schematic view of a seat according to an embodiment;

FIG. 2 is a schematic structural view of a headrest assembly of an embodiment;

FIG. 3 is a schematic view of a wing portion of an embodiment;

FIG. 4 is a schematic view of the first and second side wings of the headrest assembly according to an embodiment;

FIG. 5 is a schematic view of a first side flap and a second side flap of a headrest assembly according to an embodiment;

FIG. 6 is a schematic view showing a structure in which a headrest of the headrest assembly of an embodiment is located at the lowermost position of a height adjustment stroke;

fig. 7 is a schematic structural view of another view of the headrest assembly of an embodiment.

Reference numerals:

1000-a seat, 200-a backrest;

100-a headrest assembly;

1-a headrest;

11-Ben section;

12-wings;

121-first side wing, 122-second side wing, 123-middle piece;

2-a first drive assembly;

21-a first driving member, 211-a first motor;

22-output piece, 221-rotating shaft;

3-a second drive assembly;

31-a second driving piece, 311-a second motor;

32-a first transmission part, 321-a screw sleeve;

33-second transmission part, 331-screw, 332-stop;

4-a third drive assembly;

41-a third driving member;

42-third transmission part, 421-gear;

43-fourth transmission part, 431-gear groove;

5-a support assembly;

51-supporting rods;

52-supporting beams;

61-first guide, 611-first guide hole;

62-second guide piece 621-second guide hole;

63-third guide, 631-guide block.

Detailed Description

Reference will now be made in detail to the various embodiments of the utility model, examples of which are illustrated in the accompanying drawings and described below. While the utility model will be described in conjunction with the exemplary embodiments, it will be appreciated that the present description is not intended to limit the utility model to those exemplary embodiments. On the contrary, the utility model is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the utility model as defined by the appended claims.

In the following description, directional or positional relationships indicated by "lateral," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," or other directional terms are based on the directional or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, rather than to indicate or imply that the devices or components referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Meanwhile, the present application uses specific words to describe embodiments of the present application. Reference to "one embodiment" and/or "an embodiment" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the present application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the present application may be combined as suitable.

With increasing demands for ride comfort and aesthetics of vehicles, there is a need for further improvements in seat headrest for vehicles.

Through intensive researches, the inventor of the application finds that the existing headrest does not have the function of simultaneously achieving the functions of up-and-down adjustment along the height direction, front-and-back adjustment along the thickness direction and supporting of the head on the left side and the right side in the transverse direction, and cannot meet the requirements of users.

Based on the above considerations, the inventor has conducted intensive studies and has designed a headrest assembly, through setting up second drive assembly, third drive assembly, realize the altitude mixture control and the thickness adjustment of headrest to set up wing portion, first drive assembly, realize the horizontal support to the head, so the headrest assembly of this embodiment has altitude mixture control, thickness adjustment and horizontal support's function concurrently, adjusts according to different demands and provides good bearing to head and neck, has promoted use travelling comfort, security and convenience.

Although the headrest assembly disclosed in the embodiments of the present application is suitable for an automobile to achieve the effect of improving the comfort and convenience of use, the headrest assembly is not limited thereto, and may be suitable for other application occasions of vehicles, such as heavy vehicles, rail trains, ships, and also may be suitable for fixed places, such as meeting places, auditoriums, movie theatres, and the like, if a seat can be used for the headrest assembly disclosed in the embodiments of the present application.

Referring to fig. 1-7, in one embodiment, a particular structure of a vehicle may include a seat 1000. The seat 1000 includes a backrest 200 and a headrest assembly 100 as described below, and the headrest 1 of the headrest assembly 100 is fixedly connected to the backrest 200 through the support rod 51 of the support assembly 5 of the headrest assembly 100, so that the headrest can be adjusted in height and thickness and can provide support for the head of a user during resting, thereby preventing the head from shaking, and improving the comfort and convenience of use.

Referring to fig. 2 in combination with fig. 3, in one embodiment, the headrest assembly 100 may be specifically configured to include a headrest 1, a first driving assembly 2, a second driving assembly 3, and a third driving assembly 4. The headrest 1 includes a base 11 and a wing 12, the wing 12 is located at the front side of the base 11, the wing 12 includes a first side wing 121, a second side wing 122 and a middle member 123, and the first side wing 121 and the second side wing 122 are located at two lateral sides of the middle member 123 and are rotatably connected to the middle member 123. The first driving assembly 2 is connected to the wing 12 and is used for driving the first side wing 121 and the second side wing 122 to fold and fold relative to the middle piece 123. The second driving unit 3 is connected to the base 11 for driving the headrest 1 to move up and down in the height direction. The intermediate member 123 is movably connected to the base 1 through a third driving assembly 4, and the third driving assembly 4 is used for driving the wing portion 12 to move back and forth in the thickness direction relative to the base 1.

The term "folded" means folded inwardly with respect to the intermediate member 123, so that the first side wing 121, the second side wing 122 and the intermediate member 123 form a surrounding space, and the user's head is supported and restrained in the lateral direction. In the embodiment shown in fig. 4 and 5, the first side wing 121 and the second side wing 122 shown in fig. 4 are in an unfolded state, and the first side wing 121 and the second side wing 122 shown in fig. 5 are in a folded state.

The meaning of the "height direction" herein and hereinafter refers to the height direction of sitting postures of passengers, and the headrest can be moved and adjusted up and down along the height direction so as to meet the height demands of different passengers; the term "thickness direction" as used herein and hereinafter means a direction substantially perpendicular to the contact surface of the headrest with the head of the occupant, that is, the direction in which the vehicle travels, and the wing portions are movable and adjustable relative to the base portion in the thickness direction, so as to achieve good fitting of the headrest with the heads of different occupants.

The beneficial effects of this embodiment lie in, through setting up second drive assembly, third drive assembly, realize the altitude mixture control and the thickness adjustment of headrest to set up wing portion, first drive assembly, realize the horizontal support to the head, so the headrest subassembly of this embodiment has altitude mixture control, thickness adjustment and horizontal support's function concurrently, adjusts according to the demand of difference and provides good bearing to head and neck, has promoted use travelling comfort, security and convenience.

Referring to fig. 3 to 5, in some embodiments, the specific structure of the first driving assembly 2 may include a first driving member 21 and an output member 22, where the first driving member 21 drives the output member 22 to rotate, the driving member 21 is fixedly connected to the middle member 123, and the first side wing 121 and the second side wing 122 are fixedly connected to the output member 22, so that the first driving member 21 drives the output member 22 to rotate to drive the first side wing 121 and the second side wing 122 to fold inwards relative to the middle member 123, which plays a role in supporting the head. The meaning of the "first driving member 21" herein refers to a member that provides a power source for turning over the side wings, and may include a motor, which is directly output to drive the side wings, or may be a combination of a motor and a gear assembly, where the output of the motor is output after being changed in speed by the gear assembly, which is not limited thereto. Specifically, in some embodiments, as shown in fig. 5, the first driving member 21 is a first motor 211, the two first motors 211 are respectively and fixedly connected to the left side and the right side of the middle member 123, the output member 22 is a rotating shaft 221, the two rotating shafts 221 respectively pass through one first motor 211 and are driven to rotate by the motors 211, and the first side wings 121 and the second side wings 122 are fixedly connected to two ends of the rotating shaft 221 in the height direction.

Referring to fig. 2 and fig. 6, in some embodiments, the specific structure of the second driving assembly 3 may include a second driving member 31, a first transmission portion 32 and a second transmission portion 33, where the second transmission portion 33 is connected to the first transmission portion 32, the second driving member 31 is connected to the first transmission portion 32 and drives the first transmission portion 32 to rotate, so as to convert the rotational movement of the first transmission portion 32 into the linear movement of the first transmission portion 32 in the height direction relative to the second transmission portion 33, and the second driving member 31 and the first transmission portion 32 are fixedly connected to the base 11 to drive the headrest 1 to move up and down in the height direction, and in the embodiment shown in fig. 2, the headrest 1 is located at the highest position of the height adjustment stroke, and in the embodiment shown in fig. 6, the headrest 1 is located at the lowest position of the height adjustment stroke. The term "second driving member 31" as used herein means a member for providing a power source for height adjustment of the headrest, and may include a motor, which is directly output to drive the headrest, or may be a combination of a motor and a gear assembly, and the output of the motor is output after being changed in speed by the gear assembly, which is not limited thereto.

Referring to fig. 2 and fig. 7, in some embodiments, the specific structure of the third driving assembly 4 may include a third driving member 41, a third transmission portion 42 and a fourth transmission portion 43, where the fourth transmission portion 43 is connected to the third transmission portion 42, the third driving member 41 is connected to the third transmission portion 42 and drives the third transmission portion 42 to rotate, so as to convert the rotational movement of the third transmission portion 42 into the linear movement of the third transmission portion 42 relative to the fourth transmission portion 43 in the thickness direction, the third driving member 41 is fixedly connected to the middle member 123, and the fourth transmission portion 43 is fixedly connected to the base portion 11 so as to drive the wing portion 12 to move back and forth relative to the base portion 11 in the thickness direction, thereby realizing the thickness adjusting function of the headrest. The third driving member 41 herein means a member for providing a power source for thickness adjustment of the headrest, and may include a motor, which is directly output to drive the headrest, or may be a combination of a motor and a gear assembly, and the output of the motor is output after being changed in speed by the gear assembly, which is not limited thereto.

Referring to fig. 1, 2 in conjunction with fig. 6 and 7, in some embodiments, the headrest assembly 100 may further include a support assembly 5, where the support assembly 5 includes a support rod 51 and a support beam 52, the support beam 52 is fixedly connected to an upper end of the support rod 51, and the support assembly 5 is used to connect the headrest 1 to a backrest 200 of the seat 1000; the upper end of the second transmission part 33 is fixedly connected to the support beam 52. Thus, the headrest assembly is supported, and the structure is more reliable.

Referring to fig. 6, in some embodiments, the headrest assembly 100 may further have a specific structure in which the base 11 includes a first guide 61, and the base 11 is movably connected to the support rod 51 through the first guide 61, so that the headrest 1 can move up and down in the height direction along the support rod 51. The guide is provided when the height of the headrest is adjusted, so that the structure is more reliable, and the headrest moves more stably. In the embodiment shown in fig. 6, the first guide member 61 is a first guide hole 611 formed on two lateral sides of the base 11, and the base 11 is respectively sleeved on the two support rods 51 through the first guide holes 61 and can move up and down along the support rods 51.

Referring to fig. 2 in combination with fig. 6 and 7, in some embodiments, the headrest assembly 100 may further have a specific structure in which the base 11 further includes a second guide 62, the third driving assembly 4 further includes a third guide 63, the third driving member 41 is fixedly connected to the third guide 63, one side of the third guide 63 is fixedly connected to the intermediate member 123, and the other side of the third guide 63 is connected to the second guide 62 to guide the wing portion 12 to move back and forth in the thickness direction with respect to the base 11. The headrest is provided with a guide when being adjusted in thickness, so that the structure is more reliable, and the headrest moves more stably. In the embodiment shown in fig. 7, the second guide member 62 is a plurality of second guide holes 621 formed in the base 11, the other side of the third guide member 63 is a plurality of guide blocks 631 protruding backward in the thickness direction, and the plurality of guide blocks 631 are respectively inserted into the corresponding second guide holes 621 and can move forward and backward in the thickness direction along the second guide holes 621.

With continued reference to fig. 2 and fig. 6 and 7, in some embodiments, the headrest assembly 100 may further have a specific structure that the first transmission portion 32 includes a screw sleeve 321, the second transmission portion 33 includes a screw 331, and the screw sleeve 321 is sleeved on the screw 331 in a matching manner; the third transmission portion 42 includes a gear 421, the fourth transmission portion 431 includes a gear groove 431, and the gear 421 is engaged with the gear groove 431. Specifically, in the embodiment shown in fig. 6 and 7, the screw sleeve 321 is screwed to the screw 331, the second driving member 31 is a second motor 311, the second motor 311 drives the screw sleeve 321 to move up and down along the screw 331 in the height direction, the gear 421 is engaged with the gear groove 431, the third driving member 41 is a third motor 411, and the third motor 411 drives the gear 421 to move back and forth along the gear groove 431 in the thickness direction, so as to convert the rotation motion into linear motion, and further drive the headrest 1 to perform height adjustment and thickness adjustment. It should be understood that the present embodiment only provides a solution of the second driving assembly and the third driving assembly, and is not limited thereto, and any structure capable of converting rotational motion into linear motion may be used, for example, a structure of an electric pump matching with a rack, or a structure of a first transmission portion and a second transmission portion with gears and gear grooves, and a structure of a third transmission portion and a fourth transmission portion with a screw sleeve and a screw.

Referring to the embodiment shown in fig. 1 to 7, the operation of the headrest assembly 100 described above is specifically as follows:

the middle piece 123 is fixedly connected with the first motor 211, and the first side wing 121 and the second side wing 122 are fixedly connected with the rotating shaft 221. After the power is on, the first motor 211 drives the rotating shaft 221 to rotate, and drives the first side wing 121 and the second side wing 122 to turn over relative to the middle piece 123, so that the function of transverse support adjustment is realized.

The second motor 311 is fixed on the base 11, the upper end of the screw 331 is fixedly connected to the supporting beam 52, the lower end of the screw 331 is provided with a stopper 332, and the height adjustment travel of the screw sleeve 321 is limited. After being electrified, the second motor 311 drives the screw sleeve 321 to rotate so as to drive the headrest 1 to move along the screw 4 along the height direction, thereby realizing the function of height adjustment.

The third motor 411 is fixed on the guide block 621, the guide block 621 is fixedly connected to the wing 12, the gear 421 is fixed on the output rod of the third motor 411, and the gear groove 431 is provided on the base 11. After the power is applied, the third motor 411 drives the gear 421 to rotate, and the gear 421 is meshed with the gear groove 431 to drive the guide block 621 to move in the thickness direction relative to the base 11, so as to drive the wing 12 to move in the thickness direction relative to the base 11, thereby realizing the function of thickness adjustment.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting, but rather to the utility model, as will occur to those skilled in the art, without departing from the spirit and scope of the utility model. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model fall within the protection scope defined by the claims of the present utility model.

Claims (10)

1. A headrest assembly (100), comprising:

the headrest (1) comprises a base (11) and a wing part (12), wherein the wing part (12) is positioned at the front side of the base (11), the wing part (12) comprises a first side wing (121), a second side wing (122) and a middle piece (123), and the first side wing (121) and the second side wing (122) are respectively positioned at two lateral sides of the middle piece (123) and are rotationally connected with the middle piece (123);

a first driving assembly (2) connected to the wing part (12) and used for driving the first side wing (121) and the second side wing (122) to be folded and folded relative to the middle piece (123);

a second driving assembly (3) connected to the base (11) for driving the headrest (1) to move up and down in the height direction;

the middle piece (123) is movably connected to the base (11) through the third driving assembly (4), and the third driving assembly (4) is used for driving the wing part (12) to move back and forth in the thickness direction relative to the base (11).

2. The headrest assembly (100) according to claim 1, wherein the first driving assembly (2) comprises a first driving member (21) and an output member (22), the first driving member (21) drives the output member (22) to rotate, the driving member (21) is fixedly connected to the intermediate member (123), and the first side wing (121) and the second side wing (122) are fixedly connected to the output member (22).

3. The headrest assembly (100) according to claim 1, wherein the second driving assembly (3) comprises a second driving member (31), a first transmission portion (32) and a second transmission portion (33), the second transmission portion (33) is connected to the first transmission portion (32), the second driving member (31) is connected to the first transmission portion (32) and drives the first transmission portion (32) to rotate, the rotation motion of the first transmission portion (32) is converted into the linear motion of the first transmission portion (32) in the height direction relative to the second transmission portion (33), and the second driving member (31) and the first transmission portion (32) are fixedly connected to the base portion (11) so as to drive the headrest (1) to move up and down in the height direction.

4. The headrest assembly (100) as claimed in claim 3, wherein the third driving assembly (4) includes a third driving member (41), a third transmission portion (42) and a fourth transmission portion (43), the fourth transmission portion (43) is connected to the third transmission portion (42), the third driving member (41) is connected to the third transmission portion (42) and drives the third transmission portion (42) to rotate, the rotational movement of the third transmission portion (42) is converted into the linear movement of the third transmission portion (42) in the thickness direction relative to the fourth transmission portion (43), the third driving member (41) is fixedly connected to the intermediate member (123), and the fourth transmission portion (43) is fixedly connected to the base portion (11) so as to drive the wing portion (12) to move forward and backward in the thickness direction relative to the base portion (11).

5. The headrest assembly (100) according to claim 3, wherein the headrest assembly (100) further comprises a support assembly (5), the support assembly (5) comprising a support bar (51) and a support beam (52), the support beam (52) being fixedly connected to an upper end of the support bar (51), the support assembly (5) being for connecting the headrest (1) to a backrest of a seat; the upper end of the second transmission part (33) is fixedly connected to the supporting beam (52).

6. The headrest assembly (100) as claimed in claim 5, wherein the base (11) includes a first guide (61), the base (11) being movably connected to the support rod (51) through the first guide (61) so that the headrest (1) can be moved up and down in a height direction along the support rod (51).

7. The headrest assembly as claimed in claim 4, wherein the base portion (11) further includes a second guide member (62), the third driving assembly (4) further includes a third guide member (63), the third driving member (41) is fixedly connected to the third guide member (63), one side of the third guide member (63) is fixedly connected to the intermediate member (123), and the other side of the third guide member (63) is connected to the second guide member (62) to guide the wing portion (12) to move back and forth in the thickness direction with respect to the base portion (11).

8. The headrest assembly (100) according to claim 4, wherein the first transmission portion (32) includes a screw sleeve (321), the second transmission portion (33) includes a screw (331), and the screw sleeve (321) is cooperatively sleeved on the screw (331); the third transmission part (42) comprises a gear (421), the fourth transmission part (43) comprises a gear groove (431), and the gear (421) is meshed with the gear groove (431).

9. A seat (1000) comprising a headrest assembly (100) as claimed in any one of claims 1 to 8 and a backrest (200), the headrest (1) of the headrest assembly (100) being fixedly connected to the backrest (200) by means of a support rod (51) of a support assembly (5) of the headrest assembly (100).

10. A vehicle comprising a seat (1000) according to claim 9.

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