Movable pillow body, headrest, seat and vehicle

Abstract

The invention relates to the technical field of vehicles, in particular to a movable pillow body, a headrest, a seat and a vehicle. The movable pillow body provided by the invention is provided with the first connecting piece, and the first connecting piece is used for being connected with the rotating piece arranged on the mounting seat; the movable pillow body comprises a plane facing the mounting base, and the plane is perpendicular to the axis of the rotating part so that the plane can rotate around the axis of the rotating part; a supporting part is arranged on the side, away from the plane, of the movable pillow body and comprises a protruding part protruding in the direction away from the plane, and the two ends of the protruding part extend towards the two sides of the movable pillow body respectively. When adjustment is needed, the position of the supporting part can be changed by rotating the movable pillow body, so that the supporting part adapts to different positions such as the head or the neck.

Description

Technical Field

[0001] The present disclosure relates to the technical field of vehicles, and in particular to a movable pillow, a headrest, a seat and a vehicle. Background Art

[0002] The vehicle seat headrest is usually a device set up to improve the comfort of passengers and ensure the safety of passengers. The seat headrest can not only increase the comfort of passengers, but also provide a head support and rearward limit protection for passengers.

[0003] Occupants often need to use neck pillows to provide support for their necks when resting, while existing headrests can only support the occupants' heads and cannot improve the comfort of the occupants' necks, resulting in a poor rest experience for the occupants. Summary of the invention

[0004] In order to solve the above technical problems, the present disclosure provides a movable pillow body, a headrest, a seat and a vehicle.

[0005] A first aspect of the present disclosure provides a movable pillow body, wherein the movable pillow body is provided with a first connecting member, and the first connecting member is used to connect with a rotating member provided on a mounting seat;

[0006] The movable pillow body comprises a plane facing the mounting seat, wherein the plane is perpendicular to the axis of the rotating member so that the plane rotates around the axis of the rotating member;

[0007] A support portion is provided on a side of the movable pillow body away from the plane. The support portion includes a protrusion protruding in a direction away from the plane, and two ends of the protrusion extend to two sides of the movable pillow body respectively.

[0008] Furthermore, the movable pillow body comprises a support, a foam layer and a mask, the foam layer is connected to the support, and the mask is arranged on the foam layer and connected to the support;

[0009] The plane is formed on the support member, one end of the first connecting member is connected to the support member, and the other end is used to connect to the rotating member, and the protrusion is formed on the foaming layer.

[0010] Furthermore, the number of the supporting parts is one or more;

[0011] When there are multiple support parts, the multiple support parts are arranged in a ring shape.

[0012] A second aspect of the present disclosure provides a headrest, comprising:

[0013] A mounting base, used for connection with a seat;

[0014] The movable pillow body is the movable pillow body described in the first aspect.

[0015] Furthermore, the mounting seat is provided with a locking mechanism, and the locking mechanism includes a limiting member;

[0016] The rotating member is provided with a positioning member, the positioning member is arranged with a plurality of positioning parts, and the limiting member is movably matched with the positioning parts.

[0017] Furthermore, the locking mechanism also includes a connecting arm, an elastic member and an unlocking member;

[0018] The first end of the connecting arm is rotatably connected to the mounting seat, and the second end of the connecting arm is connected to the unlocking member;

[0019] The limiting member is arranged in the middle area of ​​the connecting arm;

[0020] One end of the elastic member is connected to the connecting arm, and the other end of the elastic member is connected to the mounting seat;

[0021] The positioning portion is a notch arranged on the peripheral side of the positioning member, and the limiting member is engaged with the notch.

[0022] Furthermore, the elastic member is connected to a region of the connecting arm away from the first end.

[0023] Furthermore, the mounting seat is provided with a guide hole, the guide hole is arc-shaped, and the limiting member is arranged in the guide hole.

[0024] Furthermore, the unlocking member includes a sleeve, a second connecting member, a fixing member and a button;

[0025] The button comprises a button seat and a buckle handle rotatably connected to the button seat;

[0026] The fixing member is connected to the mounting seat;

[0027] The sleeve and the fixing member are both sleeved on the second connecting member, one end of the sleeve is connected to the fixing member, and the other end is connected to the button seat;

[0028] One end of the second connecting member is connected to the connecting arm, and the other end is connected to the buckle.

[0029] Furthermore, the number of the positioning parts is two, and the two positioning parts are symmetrically arranged with respect to the rotating member.

[0030] A third aspect of the present disclosure provides a seat, comprising a seat frame and the headrest described in the second aspect;

[0031] The mounting seat is connected to the seat frame.

[0032] A fourth aspect of the present disclosure provides a vehicle, comprising the seat described in the third aspect.

[0033] Compared with the prior art, the technical solution provided by the embodiments of the present disclosure has the following advantages:

[0034] The movable pillow body provided by the embodiment of the present disclosure is provided with a first connecting member, and the first connecting member is used to connect with the rotating member arranged on the mounting seat; the movable pillow body includes a plane facing the mounting seat, and the plane is perpendicular to the axis of the rotating member so that the plane rotates around the axis of the rotating member, and a support portion is provided on the side of the movable pillow body away from the plane. When adjustment is required, the movable pillow body is driven to rotate, and the position of the support portion can be converted by rotating the movable pillow body, so that the support portion can adapt to different positions such as the head or neck. When the support portion is used as a headrest, the head of the occupant is supported by the support portion, which can meet the comfort of the occupant's head and ensure the safety of the occupant. When the support portion is used as a neck pillow, the neck of the occupant is supported by the support portion, which can improve the comfort of the occupant's neck and improve the comfort of the neck. The support portion includes a protruding portion protruding in a direction away from the plane, and the two ends of the protruding portion extend to the two sides of the movable pillow body respectively. When the protruding portion is used as a headrest, the head of the occupant is supported by the protruding portion, which can meet the comfort of the occupant's head and ensure the safety of the occupant. When the raised portion is used as a neck pillow, the raised portion supports the neck of the occupant, which can improve the comfort of the occupant's neck and improve the comfort of the neck. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0037] Figure 1 An exploded view of the headrest according to an embodiment of the present disclosure;

[0038] Figure 2 An exploded view of the headrest according to the embodiment of the present disclosure with the movable pillow body removed;

[0039] Figure 3 It is a front structural schematic diagram of the headrest according to the embodiment of the present disclosure with the movable pillow body removed;

[0040] Figure 4 It is a schematic diagram of the rear view structure of the headrest according to the embodiment of the present disclosure without the movable pillow body;

[0041] Figure 5 It is another rear view structural schematic diagram of the headrest according to the embodiment of the present disclosure without the movable pillow body;

[0042] Figure 6 is a cross-sectional view of the headrest according to the embodiment of the present disclosure;

[0043] Figure 7 It is a schematic diagram of the rear view structure of the headrest according to the embodiment of the present disclosure;

[0044] Figure 8 It is a schematic diagram of the structure of the connection between the mounting base of the headrest and the seat frame according to the embodiment of the present disclosure;

[0045] Fig. 9 It is a structural schematic diagram after the locking mechanism is unlocked;

[0046] Fig.10 It is a schematic diagram of the structure after the locking mechanism is locked;

[0047] Fig.11 It is a front view of the movable pillow body used as a neck pillow;

[0048] Fig.12 It is a side view of the movable pillow body used as a neck pillow;

[0049] Fig.13 It is a front view of the movable pillow body used as a headrest;

[0050] Fig.14 It is a side view of the movable pillow body used as a headrest;

[0051] Fig.15 It is a schematic diagram of the structure of the seat described in the embodiment of the present disclosure.

[0052] Figure numerals: 1. mounting seat; 11. guide hole; 2. movable pillow body; 21. support member; 22. foam layer; 23. mask; 24. support part; 3. rotating member; 31. bushing; 32. step bolt; 33. first connecting member; 34. positioning member; 341. positioning part; 35. bushing; 41. connecting arm; 42. elastic member; 43. limiting member; 44. unlocking member; 441. sleeve; 442. second connecting member; 443. fixing member; 444. button. DETAILED DESCRIPTION

[0053] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the scheme of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0054] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure, but the present disclosure may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present disclosure, rather than all of the embodiments.

[0055] Combination Figure 1 , Figure 6 , Fig.11 and Fig.12 As shown, the movable pillow body provided by the embodiment of the present disclosure has a first connecting member 33 provided on the movable pillow body 2, and the first connecting member 33 is used to connect with the rotating member 3 provided on the mounting seat 1; the movable pillow body 2 includes a plane facing the mounting seat 1, and the plane is perpendicular to the axis of the rotating member 3, so that the plane rotates around the axis of the rotating member 3, and a support portion 24 is provided on the side of the movable pillow body 2 away from the plane. When adjustment is required, the movable pillow body 2 is driven to rotate, and the position of the support portion 24 can be converted by rotating the movable pillow body 2, so that the support portion 24 can adapt to different positions such as the head or neck. When the support portion 24 is used as a headrest, the head of the occupant is supported by the support portion 24, which can meet the comfort of the occupant's head and ensure the safety of the occupant. When the support portion 24 is used as a neck pillow, the neck of the occupant is supported by the support portion 24, which can improve the comfort of the occupant's neck and improve the comfort of the neck.

[0056] In some specific embodiments, the support portion 24 includes a protrusion protruding in a direction away from the plane, and the two ends of the protrusion extend to the two sides of the movable pillow body 2 respectively. When the protrusion is used as a headrest, the protrusion supports the head of the occupant, which can meet the comfort of the occupant's head and ensure the safety of the occupant. When the protrusion is used as a neck pillow, the protrusion supports the neck of the occupant, which can improve the comfort of the occupant's neck and improve the comfort of the neck.

[0057] Optionally, a plurality of support portions 24 may form an integrated structure.

[0058] Optionally, the cross-section of the support portion 24 may be D-shaped. When the support portion supports the neck of the occupant, the comfort of the occupant's neck may be improved, thereby improving the comfort of the neck.

[0059] Optionally, the support portion may be a plurality of strip-shaped protrusions, and the plurality of strip-shaped protrusions are arranged in sequence from top to bottom and distributed adjacently, which can adapt to different positions of the head or neck, can fully meet the needs of the occupants, and improve the comfort of the occupants.

[0060] In some specific embodiments, the movable pillow body 2 includes a support member 21, a foam layer 22 and a mask 23, the foam layer 22 is connected to the support member 21, the mask 23 is covered on the foam layer 22 and connected to the support member 21; the plane is formed on the support member 21, and the convex part is formed on the foam layer 22. The support member 21 can support the weight of the head, and the foam layer 22 can be made of foam material, so that the movable pillow body 2 has a cushioning effect. The support member 21 can be plate-shaped and can be made of plastic.

[0061] In some specific embodiments, the support member 21 is provided with a first connecting member 33, one end of the first connecting member 33 is connected to the support member 21, and the other end is used to connect to the rotating member 3. When adjustment is required, the movable pillow body 2 is driven to rotate the movable pillow body 2 relative to the mounting seat 1, so that the position of the support portion 24 can be converted to adapt to different positions such as the head or neck. When the support portion 24 is used as a headrest, the support portion 24 supports the head of the occupant, which can meet the comfort of the occupant's head and ensure the safety of the occupant. When the support portion 24 is used as a neck pillow, the support portion 24 supports the neck of the occupant, which can improve the comfort of the occupant's neck and improve the comfort of the neck.

[0062] Combination Figure 1 , Figure 6 , Fig.11 , Fig.12 , Fig.13 , Fig.14 and Fig.15 As shown, the headrest provided by the embodiment of the present disclosure includes a mounting seat 1 and a movable pillow body 2; the mounting seat 1 is used to connect with the seat; the movable pillow body 2 includes a plane facing the mounting seat 1, the movable pillow body 2 is rotatably connected to the mounting seat 1, and the movable pillow body 2 rotates in the plane, so that the adjustment of the movable pillow body 2 can be realized, and the rotation angle of the movable pillow body 2 is not limited, which can fully meet the needs of the occupants and has strong practicality. Among them, a plurality of support parts 24 are provided on the side of the movable pillow body 2 away from the mounting seat 1, and the plurality of support parts 24 are arranged in a ring shape. When adjustment is required, the movable pillow body 2 is driven to rotate, and by rotating the movable pillow body 2, the position of the support part 24 can be converted, so that the support part 24 can adapt to different positions such as the head or neck. When the support part 24 is used as a headrest, the head of the occupant is supported by the support part 24, which can meet the comfort of the occupant's head and ensure the safety of the occupant. When the support part 24 is used as a neck pillow, the neck of the occupant is supported by the support part 24, which can improve the comfort of the occupant's neck and improve the comfort of the neck.

[0063] In some specific embodiments, the number of the support parts 24 is one or more; when the number of the support parts 24 is multiple, the support parts 24 can be two, three, four... multiple support parts 24 are arranged in a ring. Multiple support parts 24 can adapt to different positions of the head or neck, can fully meet the needs of the occupants, and improve the comfort of the occupants. When adjustment is needed, the movable pillow body 2 is driven to rotate. By rotating the movable pillow body 2, the position of the support part 24 can be converted so that the support part 24 can adapt to different positions such as the head or neck. Multiple support parts 24 can make it possible to find the position of supporting the neck when the movable pillow body 2 is rotated at a small angle.

[0064] The headrest provided by the embodiment of the present disclosure includes a mounting seat 1 and a movable pillow body 2, wherein the mounting seat 1 is used to connect to the seat, and the movable pillow body 2 is rotatably connected to the mounting seat 1; the movable pillow body 2 includes a plane facing the mounting seat 1, and the movable pillow body 2 is rotatably connected to the mounting seat 1, and the movable pillow body 2 rotates within the plane, so that the movable pillow body 2 can be adjusted, and the rotation angle of the movable pillow body 2 is not limited, which can fully meet the needs of the occupants and has strong practicality. Among them, one or more support parts are provided on the side of the movable pillow body 2 away from the mounting seat 1, and the multiple support parts are arranged in a ring shape.

[0065] In some specific embodiments, the movable pillow body 2 is connected to the mounting seat 1 through a rotating mechanism; the rotating mechanism includes a rotating member 3, and the rotating member 3 is rotatably connected to the mounting seat 1. The rotating member 3 is connected to a first connecting member 33, and the first connecting member 33 is connected to the movable pillow body 2. When adjustment is required, the movable pillow body 2 is driven to rotate relative to the mounting seat 1, so that the position of the support portion 24 can be converted to adapt to different positions such as the head or neck. When the support portion 24 is used as a headrest, the support portion 24 supports the head of the occupant, which can meet the comfort of the occupant's head and ensure the safety of the occupant. When the support portion 24 is used as a neck pillow, the support portion 24 supports the neck of the occupant, which can improve the comfort of the occupant's neck and improve the comfort of the neck.

[0066] Optionally, the rotating member 3 includes a step bolt 32 and a sleeve 31, the mounting seat 1 is provided with a mounting hole, and the step bolt 32 is rotatably arranged in the mounting hole. The sleeve 31 is fixedly connected to the step bolt 32. Optionally, the first connecting member 33 is fixedly connected to the sleeve 31. The first connecting member 33 can be plate-shaped, block-shaped, or bracket-shaped, as long as it can connect the movable pillow body 2 to the rotating member 3.

[0067] Combination Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 and Fig.10As shown, the mounting seat 1 is provided with a locking mechanism, and the locking mechanism includes a limiting member 43. The rotating member 3 is provided with a positioning member 34, and the positioning member 34 is arranged with a plurality of positioning portions 341. Optionally, the positioning member 34 is fixedly connected to the shaft sleeve 31; optionally, the rotating member 3 is fixedly connected to the step bolt 32. The limiting member 43 and the positioning portion 341 are movably matched. When adjustment is required, the movable pillow body 2 is driven to rotate, and the positioning member 34 can be driven to rotate by the rotation of the movable pillow body 2. The limiting member 43 is selectively engaged with the positioning portion 341, so that the movable pillow body 2 can be positioned at different positions, thereby improving the stability of the movable pillow body 2 to meet the needs of the occupants and improve the comfort of the occupants.

[0068] The limiting member 43 is engaged with the positioning portion 341 by snapping or plugging.

[0069] Optionally, the positioning member 34 is plate-shaped or disc-shaped. Optionally, the positioning portion 341 is a positioning hole provided on the positioning member 34, and the limiting member 43 is a protruding structure, which may be a positioning pin or a positioning column. When the positioning hole is rotated to a position relative to the limiting member 43, the limiting member 43 may be inserted into the corresponding positioning hole, so that the movable pillow body 2 can be positioned at different positions, which may improve the stability of the movable pillow body 2, meet the needs of the occupants, and improve the comfort of the occupants.

[0070] Optionally, the positioning portion 341 is a positioning hole set on the positioning member 34, and the limiting member 43 is a mechanical lock. When the positioning hole is rotated to a position relative to the mechanical lock, the lock tongue of the mechanical lock can be inserted into the corresponding positioning hole to position the movable pillow body 2 at different positions, which can improve the stability of the movable pillow body 2 to adapt to the needs of the occupants and improve the comfort of the occupants.

[0071] Optionally, the positioning portion 341 is a notch arranged on the circumferential side of the positioning member 34, and the limiting member 43 can be a positioning pin or a positioning column or other body structure, etc. The limiting member 43 can be engaged with the notch to position the movable pillow body 2 at different positions, which can improve the stability of the movable pillow body 2 to adapt to the needs of the occupants and improve the comfort of the occupants.

[0072] Combination Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the locking mechanism also includes a connecting arm 41, an elastic member 42 and an unlocking member 44; the first end of the connecting arm 41 is rotatably connected to the mounting seat 1, and the second end of the connecting arm 41 is connected to the unlocking member 44; the limiting member 43 is arranged in the middle area of ​​the connecting arm 41; one end of the elastic member 42 is connected to the connecting arm 41, and the other end of the elastic member 42 is connected to the mounting seat 1; the positioning portion 341 is a notch arranged on the peripheral side of the positioning member 34, and the limiting member 43 is engaged with the notch. When adjustment is required, the movable pillow body 2 is driven to rotate, and the rotation of the movable pillow body 2 can drive the positioning member 34 to rotate. The positioning member 34 is provided with a plurality of notches, and the limiting member 43 is engaged with the notch under the action of the pulling force of the elastic member 42, so as to realize the positioning of the movable pillow body 2 and improve the stability of the movable pillow body 2 to meet the needs of the occupant. When the position of the movable pillow body 2 needs to be adjusted, the second end of the connecting arm 41 is pulled by the unlocking member 44 to overcome the elastic force of the elastic member 42 so that the limiting member 43 is disengaged from the notch. After the limiting member 43 is disengaged from the notch, the movable pillow body 2 can be rotated to adjust the angle of the movable pillow body 2 to meet different needs of the occupant. The elastic member 42 can be a spring, or other elastic element or an element made of elastic material.

[0073] The unlocking member 44 is connected to one end of the rotational connection portion away from the connecting arm 41 and the mounting seat 1, which can increase the force arm and reduce the driving force, so that the connecting arm 41 can swing under a smaller pulling force.

[0074] In some specific embodiments, the elastic member 42 is connected to the area of ​​the connecting arm 41 away from the first end, so as to increase the moment generated by the elastic member 42 and improve the stability of the movable pillow body 2 after the stopper 43 is engaged with the notch.

[0075] In some specific implementations, the mounting seat 1 is provided with a guide hole 11, the guide hole 11 is arc-shaped, and the limiting member 43 is disposed in the guide hole 11, which can improve the stability of the headrest adjustment.

[0076] In some specific embodiments, the unlocking member 44 includes a sleeve 441, a second connecting member 442, a fixing member 443 and a button 444; the button 444 includes a button 444 seat and a buckle handle rotatably connected to the button 444 seat; the fixing member 443 is connected to the mounting seat 1; the sleeve 441 and the fixing member 443 are both sleeved on the second connecting member 442, one end of the sleeve 441 is connected to the fixing member 443, and the other end is connected to the button 444 seat; one end of the second connecting member 442 is connected to the connecting arm 41, and the other end is connected to the buckle handle.

[0077] The second connecting member 442 can move in the sleeve 441. When unlocking is required, by twisting the buckle handle, a pulling force can be applied to the second connecting member 442, so that the second connecting member 442 pulls the connecting arm 41, and the limiting member 43 is disengaged from the notch by pulling the connecting arm 41, so that unlocking can be achieved, so that the angle of the movable pillow body 2 can be adjusted by rotating the movable pillow body 2, which can meet the different needs of the occupants. The second connecting member 442 can be a cable or a steel wire.

[0078] In some specific embodiments, the number of the positioning parts 341 is two, and the two positioning parts 341 are symmetrically arranged about the rotating member 3. When the limiting member 43 cooperates with one of the positioning parts 341, the support part 24 corresponds to the head of the occupant, and when the limiting member 43 cooperates with the other positioning part 341, the support part 24 corresponds to the neck of the occupant, so that the movable pillow body 2 can be transformed from a headrest to a neck pillow after rotating 180°, and from a neck pillow to a headrest after rotating another 180°.

[0079] The seat provided in the embodiment of the present disclosure includes a seat frame and a headrest provided in the embodiment of the present disclosure; the mounting seat 1 is connected to the seat frame. Optionally, the mounting seat 1 is connected to the seat frame by welding.

[0080] In some specific implementations, the button 444 of the headrest is disposed on a side of the seat frame close to the mounting seat 1, and the handle of the headrest faces the outside of the seat frame for easy operation by the occupant.

[0081] The vehicle provided by the embodiment of the present disclosure includes the seat provided by the embodiment of the present disclosure. Since the vehicle provided by the embodiment of the present disclosure has the same advantages as the seat provided by the embodiment of the present disclosure or the headrest provided by the embodiment of the present disclosure, they will not be described in detail here.

[0082] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0083] The above are only specific embodiments of the present disclosure, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to these embodiments herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A movable pillow, characterized in that: The movable pillow body is provided with a first connecting member, and the first connecting member is used to connect with a rotating member arranged on the mounting seat; The movable pillow body comprises a plane facing the mounting seat, wherein the plane is perpendicular to the axis of the rotating member so that the plane rotates around the axis of the rotating member; A support portion is provided on a side of the movable pillow body away from the plane. The support portion includes a protrusion protruding in a direction away from the plane, and two ends of the protrusion extend to two sides of the movable pillow body respectively.

2. The movable pillow body according to claim 1, characterized in that: The movable pillow body comprises a support, a foam layer and a mask, wherein the foam layer is connected to the support, and the mask is arranged on the foam layer and connected to the support; The plane is formed on the support member, one end of the first connecting member is connected to the support member, and the other end is used to connect to the rotating member, and the protrusion is formed on the foaming layer.

3. The movable pillow according to claim 1 or 2, characterized in that: The number of the supporting parts is one or more; When there are multiple support parts, the multiple support parts are arranged in a ring shape.

4. A headrest, characterized in that: include: A mounting base, used for connection with a seat; The movable pillow body is the movable pillow body according to any one of claims 1 to 3.

5. The headrest according to claim 4, characterized in that: The mounting seat is provided with a locking mechanism, and the locking mechanism includes a limiting member; The rotating member is provided with a positioning member, the positioning member is arranged with a plurality of positioning parts, and the limiting member is movably matched with the positioning parts.

6. The headrest according to claim 5, characterized in that: The locking mechanism also includes a connecting arm, an elastic member and an unlocking member; The first end of the connecting arm is rotatably connected to the mounting seat, and the second end of the connecting arm is connected to the unlocking member; The limiting member is arranged in the middle area of ​​the connecting arm; One end of the elastic member is connected to the connecting arm, and the other end of the elastic member is connected to the mounting seat; The positioning portion is a notch arranged on the peripheral side of the positioning member, and the limiting member is engaged with the notch.

7. The headrest according to claim 6, characterized in that: The elastic member is connected to a region of the connecting arm away from the first end.

8. The headrest according to claim 6, characterized in that: The mounting seat is provided with a guide hole, the guide hole is arc-shaped, and the limiting member is arranged in the guide hole.

9. The headrest according to claim 6, characterized in that: The unlocking member includes a sleeve, a second connecting member, a fixing member and a button; The button comprises a button seat and a buckle handle rotatably connected to the button seat; The fixing member is connected to the mounting seat; The sleeve and the fixing member are both sleeved on the second connecting member, one end of the sleeve is connected to the fixing member, and the other end is connected to the button seat; One end of the second connecting member is connected to the connecting arm, and the other end is connected to the buckle.

10. The headrest according to any one of claims 5 to 9, characterized in that: The number of the positioning parts is two, and the two positioning parts are symmetrically arranged with respect to the rotating member.

11. A seat, characterized in that: comprising a seat frame and a headrest according to any one of claims 4 to 10; The mounting seat is connected to the seat frame.

12. A vehicle, characterized in that: Including the seat described in claim 11.

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