CN218702874U - Headrest assembly, seat and vehicle - Google Patents

Abstract

The utility model provides a headrest subassembly, seat and vehicle. The headrest comprises a body, a first side wing and a second side wing, wherein the first side wing and the second side wing are respectively positioned on two transverse sides of the body and are rotatably connected to the body, so that the first side wing and the second side wing are folded relative to the body; the transmission mechanism comprises a first transmission part and a second transmission part, the first transmission part is fixedly connected to the body, and the second transmission part is connected to the first transmission part; the driving mechanism is connected with the second transmission part and drives the second transmission part to rotate, and the rotary motion of the second transmission part is converted into the linear motion of the first transmission part so as to drive the headrest to move in the longitudinal direction relative to the driving mechanism; wherein, the headrest provides an accommodation space, and actuating mechanism is located accommodation space. So as to improve the use comfort.

Description

Headrest assembly, seat and vehicle

Technical Field

The utility model relates to a headrest subassembly, seat and vehicle's technical field.

Background

The automobile headrest is a comfortable riding configuration article and a safety protection article, and supports the head and the neck to a certain extent. Because each person is different in height and sitting posture, the headrest is required to be designed to be adjustable in height so as to meet the requirements of different passengers. Meanwhile, when the passengers rest, the head of the passengers needs to be supported by the headrest, and the comfort level is prevented from being influenced by head shaking.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a headrest subassembly.

Another object of the present invention is to provide a seat.

It is yet another object of the present invention to provide a vehicle.

According to an aspect of the present invention, a headrest assembly includes: the headrest comprises a body, a first side wing and a second side wing, wherein the first side wing and the second side wing are respectively positioned on two transverse sides of the body and are rotatably connected to the body, so that the first side wing and the second side wing can be folded relative to the body; the transmission mechanism comprises a first transmission part and a second transmission part, the first transmission part is fixedly connected to the body, and the second transmission part is connected to the first transmission part; the driving mechanism is connected with the second transmission part and drives the second transmission part to rotate, and the rotary motion of the second transmission part is converted into the linear motion of the first transmission part so as to drive the headrest to move in the longitudinal direction relative to the driving mechanism; the headrest provides an accommodating space, and the driving mechanism is located in the accommodating space.

The utility model provides a technical scheme is through setting up drive mechanism, actuating mechanism, realizes the vertical altitude mixture control of automation of headrest to setting up first flank, second flank, realizing the horizontal support to the head, the headrest subassembly of this embodiment has the function of automatic vertical altitude mixture control and horizontal support concurrently, adjusts according to the demand of difference and provides good bearing to head and neck, has promoted and has used travelling comfort, security and convenience. Simultaneously, actuating mechanism and drive mechanism all hold in the accommodation space that the headrest provided, so make compact structure, save space, improve the suitability of headrest, be connected with the seat back and need not to occupy the space of back, both can be applied to the seat of split type headrest back design, also can be applied to the seat of integral type headrest back design.

In one or more embodiments of the headrest assembly, the headrest assembly comprises a first state configuration, a second state configuration: in the first state configuration, the drive mechanism is located at an upper portion of the accommodating space in a longitudinal direction; in the second state configuration, the drive mechanism is located at a lower portion of the accommodating space in the longitudinal direction; wherein the headrest is displaced in a longitudinal direction upwardly from the first state configuration to the second state configuration.

In one or more embodiments of the headrest assembly, the headrest assembly further comprises a guide mechanism, the guide mechanism comprises a first matching portion and a second matching portion, the first matching portion can move along the second matching portion in the longitudinal direction, the first matching portion is fixedly connected to the body, the driving mechanism is fixedly connected to the second matching portion, and the second matching portion is used for being fixedly connected to a backrest of a seat.

In one or more embodiments of the headrest assembly, the first transmission portion includes a screw, the second transmission portion includes a screw sleeve, and the screw sleeve is sleeved on the screw.

In one or more embodiments of the headrest assembly, the first engagement portion includes a guide rail, and the second engagement portion includes a guide bar along which the guide rail moves in a longitudinal direction.

In one or more embodiments of the headrest assembly, the second engagement portion further comprises a cover plate, the guide slot and the drive mechanism are fixedly connected to the cover plate, and the cover plate is configured to be fixedly connected to the backrest.

In one or more embodiments of the headrest assembly, the first and second side wings are rotatably connected to the body by a damping shaft.

According to another aspect of the present invention, a seat comprises a headrest assembly and a backrest as described above, wherein the headrest of the headrest assembly is connected to the backrest through the second fitting portion of the guiding mechanism of the headrest assembly.

In one or more embodiments of the seat, the headrest is disposed on a front side of the backrest.

A vehicle according to a further aspect of the invention comprises a seat as described above.

Drawings

The above and other features, nature and advantages of the present invention will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings in which like reference characters refer to like features throughout, it being noted that the drawings are given by way of example only and are not to scale, and should not be taken as limiting the scope of the invention which is actually claimed, in which:

FIG. 1A is a schematic structural view of a body and a first mating portion according to an embodiment;

FIG. 1B is a schematic structural diagram of a driving mechanism, a transmission mechanism and a second matching portion according to an embodiment;

FIG. 1C is a schematic structural diagram of a body, a transmission mechanism, and a driving mechanism according to an embodiment;

FIG. 2A is a schematic view of a first state configuration of a headrest assembly according to an embodiment;

FIG. 2B is a schematic diagram of a second state configuration of the headrest assembly according to an embodiment;

FIG. 3A is a schematic view of a first wing and a second wing of an embodiment in an unfolded configuration;

FIG. 3B is a schematic view of the first wing and the second wing folded according to an embodiment;

FIG. 4A is a schematic view of a headrest assembly (without the first and second side wings) according to an embodiment;

FIG. 4B isbase:Sub>A cross-sectional view taken along section A-A of the headrest assembly (without the first and second side wings) shown in FIG. 4A;

fig. 5 is a schematic structural diagram of a seat according to an embodiment.

Reference numerals:

100-a headrest assembly;

1-headrest;

11-a body;

121-a first side wing, 122-a second side wing;

131-the upper part of the receiving space, 132-the lower part of the receiving space;

10-a transmission mechanism;

101-a first transmission part, 101' -a screw rod;

102-a second transmission, 102' -a screw sleeve;

20-a drive mechanism;

30-a guide mechanism;

31-a first mating portion, 31' -rail;

32-second mating part, 32' -bar, 302-cover plate, 321-lower end of second mating part;

4-a damping shaft;

5. 6-bolt;

200-backrest, 2001-front side of backrest, 2002-top end of backrest;

1000-seat.

Detailed Description

Reference will now be made in detail to the various embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below. While the present invention will be described in conjunction with the exemplary embodiments, it will be appreciated that this description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention 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 invention as defined by the appended claims.

In the description that follows, references to "lateral," "longitudinal," "up," "down," or other directional terms indicate an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings, merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or component must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Also, this application uses specific language to describe embodiments of the application. Reference to "one embodiment" and/or "an embodiment" means that a feature, structure, or characteristic described in connection with at least one embodiment of the application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.

As the demand for the ride comfort and the aesthetic appearance of vehicles has been increased, there is a need for further improvement of seat headrests for vehicles.

The inventor of the application finds through intensive research that the existing headrest does not have the function of simultaneously adjusting the height up and down and supporting the head at the left side and the right side transversely, and cannot meet the requirements of users. In addition, automotive interior product's renewal, integral type headrest back design is more and more favored by the user, and present headrest is mostly connected in backrest's top through the headrest pole, split type headrest back promptly, and the headrest pole exposes outside, and this kind of structure no longer is applicable to integral type headrest back.

Based on above consideration, the inventor has designed a headrest subassembly through deep research, through setting up drive mechanism, actuating mechanism, realizes the vertical altitude mixture control of automation of headrest to set up first flank, second flank, realize the horizontal support to the head, the headrest subassembly of this embodiment has the vertical altitude mixture control of automation concurrently and the function of horizontal support, adjusts according to the demand of difference and provides good bearing to head and neck, has promoted and has used travelling comfort, security and convenience. Simultaneously, actuating mechanism and drive mechanism all hold in the accommodation space that the headrest provided, so make compact structure, save space, improve the suitability of headrest, be connected with the seat back and need not to occupy the space of back, both can be applied to the seat of split type headrest back design, also can be applied to the seat of integral type headrest back design.

Although the headrest assembly disclosed in the embodiment of the present application is suitable for an automobile to achieve the effects of improving the comfort and convenience of use, the present invention is not limited thereto, and may be applied to other applications of transportation vehicles, such as heavy vehicles, railroad trains, and ships, or may be applied to fixed places, such as meeting places, auditoriums, movie theaters, and the like, as long as the headrest assembly disclosed in the embodiment of the present application can be applied to a seat.

Referring to fig. 1A-5, in one embodiment, a specific structure of a vehicle may be, including, 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 connected to the backrest 200 through the second fitting portion 32 of the guide mechanism 30 of the headrest assembly 100, so that the height of the headrest can be adjusted in the longitudinal direction and support can be provided for the head of a user during the resting process of the user, head sloshing is prevented, and the use comfort and convenience are improved.

Referring to fig. 5, in some embodiments, the seat 1000 may have a specific structure in which the headrest 1 is disposed on the front side 2001 of the backrest 200. The "front side 2001" specifically refers to a side of the backrest 200 that fits to the back of the user, and is different from the top end 2002 of the backrest 200, for example, a headrest with a headrest rod is generally disposed at the top end 2002 of the backrest 200, and the headrest 1 of the present embodiment can be applied to an integrated headrest backrest, providing good support for the head and neck of the user, improving the comfort, safety and convenience of the user using the integrated headrest backrest, and at the same time, only the headrest of the headrest assembly can be seen by the user, improving the aesthetic appearance and the high-grade feeling of the interior.

Referring to fig. 1A to 3B, in one embodiment, the headrest assembly 100 may include a headrest 1, a transmission mechanism 10, and a driving mechanism 20. The headrest 1 includes a body 11, a first side 121 and a second side 122, wherein the first side 121 and the second side 122 are respectively located on two lateral sides of the body 11 and rotatably connected to the body 11, so that the first side 121 and the second side 122 are folded relative to the body 11. The transmission mechanism 10 includes a first transmission portion 101 and a second transmission portion 102, the first transmission portion 101 is fixedly connected to the body 11, and particularly, as shown in fig. 1C, the first transmission portion 101 is fixedly connected to the body 11 at two longitudinal ends by bolts 5, but not limited thereto. The second transmission part 102 is connected to the first transmission part 101. The driving mechanism 20 is connected to the second transmission part 102 and drives the second transmission part 102 to rotate, so as to convert the rotational motion of the second transmission part 102 into the linear motion of the first transmission part 101, and drive the headrest 1 to move in the longitudinal direction relative to the driving mechanism 20. Wherein the headrest 1 provides an accommodation space in which the drive mechanism 20 is located.

The term "fold-over" means to fold inward relative to the body 11, so that the first side wing 121, the second side wing 122 and the body 11 form an encircling space for laterally spacing and supporting the head of the user. Specifically, as shown in fig. 3A and 3B, the first side flap 121 and the second side flap 122 shown in fig. 3A are in an unfolded state, and the first side flap 121 and the second side flap 122 shown in fig. 3B are in a folded state.

The term "driving mechanism 20" as used herein means a component providing a power source for the longitudinal movement of the headrest, and may include a motor, which is directly driven by the output of the motor, or a combination of the motor and a gear assembly, and the output of the motor is changed in speed by the gear assembly, which is not limited to this. In the embodiment shown in fig. 1A to 1C, the drive mechanism 20 is a motor.

The term "accommodation space" herein means a space defined within the longitudinal height range of the body 11, as distinguished from the driving mechanism 20 provided at the top or bottom end of the body 11, as in the embodiment shown in fig. 1C to 2B, the headrest 1 and the driving mechanism 20 are relatively displaced, and the displacement range is always within the height range of the body 11 itself.

The beneficial effect of this embodiment lies in, through setting up drive mechanism, actuating mechanism, realizes the vertical altitude mixture control of automation of headrest to setting up first flank, second flank, realizing the horizontal support to the head, the headrest subassembly of this embodiment has the vertical altitude mixture control of automation concurrently and transversely supports the function, adjusts according to the demand of difference and provides good bearing to head and neck, has promoted and has used travelling comfort, security and convenience. Meanwhile, the driving mechanism and the transmission mechanism are all accommodated in the accommodating space provided by the headrest, so that the structure is compact, the space is saved, the adaptability of the headrest is improved, the seat backrest is connected with the seat backrest without occupying the space of the backrest, and the seat backrest can be applied to seats designed by split type headrest backrests and seats designed by integrated type headrest backrests.

Referring to fig. 2A in conjunction with fig. 2B, in some embodiments, the particular configuration of the headrest assembly 100 may be to include a first state configuration 1001 and a second state configuration 1002. In the first state configuration 1001, the drive mechanism 20 is located in the upper portion 131 of the receiving space in the longitudinal direction. In the second configuration 1002, the drive mechanism 20 is longitudinally located in the lower portion 132 of the receiving space. In this case, the headrest 1 is displaced in the longitudinal direction upward from the first state configuration 1001 to the second state configuration 1002. So set up and make actuating mechanism be located the upper portion of headrest at initial position, make structural arrangement compacter, the headrest subassembly of being convenient for is connected with the back, practices thrift installation space, avoids the headrest subassembly of headrest subassembly and back junction too big, promotes the aesthetic property.

Referring to fig. 1A to 1C in conjunction with fig. 5, in some embodiments, the headrest assembly 100 may further include a guide mechanism 30, the guide mechanism 30 includes a first matching portion 31 and a second matching portion 32, the first matching portion 31 is capable of moving in a longitudinal direction along the second matching portion 32, the first matching portion 31 is fixedly connected to the body 11, the driving mechanism 20 is fixedly connected to the second matching portion 32, and the second matching portion 32 is configured to be fixedly connected to the backrest 200 of the seat 1000. The arrangement provides guidance for the movement of the headrest relative to the drive mechanism, which makes the structure more reliable and movement more stable. Specifically, in the embodiment shown in fig. 1A to 1C and 5, the first engaging portion 31 is integrally formed with the body 11, the driving mechanism 20 is fixedly connected to the second engaging portion 32 by the bolt 6, and the lower end 321 of the second engaging portion 32 is fixedly connected to the backrest 200.

Referring to fig. 1C, in some embodiments, the specific structure of the transmission mechanism 10 may be that the first transmission part 101 includes a lead screw 101', the second transmission part 102 includes a lead screw sleeve 102', and the lead screw sleeve 102 'is sleeved on the lead screw 101'. Specifically, the screw rod sleeve 102' is in threaded connection with the screw rod 101', and the driving mechanism 20 drives the screw rod sleeve 102' to rotate to drive the screw rod 101' to longitudinally move relative to the screw rod sleeve 102', so that the rotary motion is converted into linear motion. It should be understood that the present embodiment only provides one solution of the transmission mechanism 10, and is not limited thereto, as long as the transmission mechanism is capable of converting a rotational motion into a linear motion, and for example, the transmission mechanism may be a structure in which an electric pump is engaged with a rack.

Referring to fig. 4A in conjunction with fig. 4B, in some embodiments, the specific structure of the guide mechanism 30 may be that the first mating portion 31 includes a guide rail 31', the second mating portion 32 includes a guide bar 32', and the guide rail 31 'moves in the longitudinal direction along the guide bar 32'. The term "guide rail 31 'and guide bar 32' here means that in the embodiment shown in fig. 4A and 4B, the guide rail 31 'of the first mating portion 31 is in a groove structure, the guide bar 32' of the second mating portion 32 is in a protrusion structure, and the guide bar 32 'is located in the guide rail 31', and it can be understood that the positions of the guide rail 31 'and the guide bar 32' can be interchanged, that is, the first mating portion 31 is in a protrusion structure, and the second mating portion 32 is in a groove structure. The structure is simple and reliable, and the manufacture is convenient. In other embodiments, the guiding mechanism 30 may also be a combination of a sliding rail and a pulley, and the structure of the guiding mechanism 30 is not limited as long as it can play a guiding role and be applied to the headrest assembly of this embodiment.

Referring to fig. 1B in conjunction with fig. 4A and 4B, in some embodiments, the second mating portion 32 may further include a cover plate 302. The bar 32', the actuator 20 is fixedly attached to the cover plate 302, and the cover plate 302 is adapted to be fixedly attached to the backrest 200. The cover plate 302 is arranged to cover the driving mechanism 20 and the transmission mechanism 10, so that the headrest assembly 100 is conveniently connected to the backrest 200 while the protection effect is achieved, the whole headrest assembly is supported, and the structure is more reliable. In some embodiments, as shown in FIG. 1B, the bar 32' is integrally formed with the cover plate 302, and the driving mechanism 20 is fixedly attached to the cover plate 302 by bolts 6.

Referring to fig. 3A in conjunction with fig. 3B, in some embodiments, the headrest 1 may have a specific structure in which the first and second side wings 121 and 122 are rotatably connected to the body 11 by the damping shaft 4. The term "damping shaft 4" means that a damper is provided in the rotating shaft, so that the rotating shaft itself has a damping force, and when the rotating shaft rotates without an external force, it is ensured that the components connected to the rotating shaft are kept at the rotated position, for example, in the embodiment shown in fig. 3A and 3B, the user applies a force to fold the first wing 121 and the second wing 122 shown in fig. 3A to the required position shown in fig. 3B, and stops applying the force, and under the action of the damping force of the damping shaft 4 itself, the first wing 121 and the second wing 122 are kept at the required position and can provide support for the head of the user. In some embodiments, the minimum force applied to the first and second side wings 121 and 122 to rotate the damping shaft 4 ranges from 30N to 50N, i.e. if the first and second side wings 121 and 122 are to be rotated around the damping shaft 4, at least 30N to 50N of force is used to fold the first and second side wings 121 and 122, so that when the first and second side wings 121 and 122 are folded, the user does not need to exert any force, and when the folding is stopped, the first and second side wings 121 and 122 stay at the desired positions and provide support for the head. The above-mentioned range of minimum force for folding the first side wing and the second side wing is a preferable range obtained by the inventor after long-term practice, but not limited thereto.

Referring to the embodiment shown in fig. 1A to 5, the operation of the headrest assembly 100 is as follows:

when the driving mechanism 20 is started to rotate forwards, the screw rod sleeve 102' is driven to rotate forwards, and the screw rod 101' in threaded connection with the screw rod sleeve 102' drives the headrest 1 to move upwards together. When the control drive mechanism 20 rotates reversely, the screw rod sleeve 102 'is driven to rotate reversely, and the screw rod 101' drives the headrest 1 to move downwards together. The two ends of the screw rod 101' are fixedly connected to the body 11 of the headrest 1 through bolts 5, and the bolts 5 simultaneously play a role in limiting the longitudinal displacement of the headrest 1.

For the adjustment of the first side wing 121 and the second side wing 122 of the headrest 1, the user applies a force of 40N-50N to turn the first side wing 121 and the second side wing 122 inwards around the damping shaft 4, the force application is stopped, and the first side wing 121 and the second side wing 122 are kept at the required positions and provide support for the head.

In some embodiments, the material of the body 11 and the guide rail 31' is plastic, so that the structure is light, the manufacturing is convenient, and the cost is saved.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention, all without departing from the content of the technical solution of the present invention, fall within the scope of protection defined by the claims of the present invention.

Claims (10)

1. A headrest assembly (100), comprising:

the headrest (1) comprises a body (11), a first side wing (121) and a second side wing (122), wherein the first side wing (121) and the second side wing (122) are respectively located on two transverse sides of the body (11) and are rotatably connected to the body (11) so that the first side wing (121) and the second side wing (122) can be turned over relative to the body (11);

the transmission mechanism (10) comprises a first transmission part (101) and a second transmission part (102), the first transmission part (101) is fixedly connected to the body (11), and the second transmission part (102) is connected to the first transmission part (101);

the driving mechanism (20) is connected to the second transmission part (102) and drives the second transmission part (102) to rotate, and the rotary motion of the second transmission part (102) is converted into the linear motion of the first transmission part (101) so as to drive the headrest (1) to move in the longitudinal direction relative to the driving mechanism (20);

wherein the headrest (1) provides an accommodating space, and the driving mechanism (20) is positioned in the accommodating space.

2. The headrest assembly (100) of claim 1, characterized in that the headrest assembly (100) comprises a first state structure (1001), a second state structure (1002):

in the first state configuration (1001), the drive mechanism (20) is located in an upper portion (131) of the receiving space in a longitudinal direction;

in the second state configuration (1002), the drive mechanism (20) is located longitudinally at a lower portion (132) of the receiving space;

wherein the headrest (1) is displaced in a longitudinal direction upwards from the first state configuration (1001) to the second state configuration (1002).

3. The headrest assembly (100) according to claim 1, further comprising a guiding mechanism (30), wherein the guiding mechanism (30) comprises a first engaging portion (31), a second engaging portion (32), wherein the first engaging portion (31) is longitudinally movable along the second engaging portion (32), the first engaging portion (31) is fixedly connected to the body (11), the driving mechanism (20) is fixedly connected to the second engaging portion (32), and the second engaging portion (32) is configured to be fixedly connected to a backrest (200) of a seat (1000).

4. The headrest assembly (100) according to claim 1, characterized in that the first transmission portion (101) comprises a lead screw (101 '), the second transmission portion (102) comprises a lead screw sleeve (102'), the lead screw sleeve (102 ') being sleeved to the lead screw (101').

5. The headrest assembly (100) of claim 3, characterized in that the first engagement portion (31) comprises a guide rail (31 '), the second engagement portion (32) comprises a bar (32'), the guide rail (31 ') moving longitudinally along the bar (32').

6. The headrest assembly (100) of claim 5, characterized in that the second engagement portion (32) further comprises a cover plate (302), the guide bar (32'), the drive mechanism (20) being fixedly connected to the cover plate (302), the cover plate (302) being adapted to be fixedly connected to the backrest (200).

7. Headrest assembly (100) according to claim 1, characterized in that said first lateral wing (121), said second lateral wing (122) are rotatably connected to said body (11) by means of a damping shaft (4).

8. A seat (1000) comprising a headrest assembly (100) according to any of claims 1 to 7 and a backrest (200), the headrest (1) of the headrest assembly (100) being connected to the backrest (200) by means of the second engagement portion (32) of the guide mechanism (30) of the headrest assembly (100).

9. The seat (1000) according to claim 8, wherein the headrest (1) is provided at a front side (2001) of the backrest (200).

10. A vehicle, characterized in that it comprises a seat (1000) according to claim 8 or 9.

Images