CN218257859U - Side-unlocked seat headrest - Google Patents

Abstract

The utility model provides a seat headrest with side unlocking, the unlocking structure comprises an unlocking plate which is arranged inside the headrest body and can be manually switched between a locking state and an unlocking state, the unlocking plate is provided with a through hole for a headrest rod to pass through, a locking block which can be in splicing fit with a locking groove is arranged on the inner wall of the through hole, and an operation hole for manually operating the unlocking plate is arranged at the side of the headrest body; the bottom of the unlocking plate is elastically connected with the headrest body through a transversely arranged first spring, and the bottom of the unlocking plate is provided with a damping protrusion which is convexly arranged and is abutted against the headrest body. The unlocking plate of the utility model has simple structure and easy processing and manufacturing; and the unlocking plate is suspended except that the bottom is connected with the headrest body through the first spring and the damping protrusion is abutted against the headrest body through the top, the contact area between the unlocking plate and the headrest body is small, and the friction resistance for moving the unlocking plate is small, so that the unlocking of the headrest body is easy.

Description

Side-unlocked seat headrest

Technical Field

The utility model belongs to the seat headrest field, concretely relates to seat headrest of side unblock.

Background

A seat headrest (hereinafter, simply referred to as a headrest) is generally provided at an upper portion of a seat back, and an occupant of the seat rests the headrest on the headrest to improve head comfort. In order to adapt to different requirements of different passengers on the height of the headrest, the headrest is generally made into a structure with adjustable height, specifically, the headrest is installed on an automobile seat through a headrest rod, and a body of the headrest can vertically move on the headrest rod so as to adjust the height of the headrest body. The height-adjustable headrest comprises a common headrest with the height manually adjusted by a person and an electric headrest with a headrest body driven by a driving mechanism to vertically move, and the common headrest is low in price and is used in many automobiles.

A plurality of locking grooves are formed in the headrest rod of the common headrest at intervals along the height direction, an unlocking structure connected with the locking grooves in the headrest rod is arranged in the headrest body, and the headrest body and the headrest rod are fastened through connection of the unlocking structure and the locking grooves. When the height of the common headrest is adjusted, the unlocking structure is operated by operating the button on the side of the headrest body, so that the unlocking plate of the unlocking structure is separated from the lock groove on the headrest rod, the headrest body is unlocked, and then the headrest body can be vertically moved on the headrest rod to adjust the height of the headrest body. However, the existing unlocking plate has a complex structure and is difficult to process and manufacture; and the friction resistance is big when the unlocking plate moves for the unblock of headrest body is comparatively hard.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing a seat headrest of side unblock.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the seat headrest with the side unlocking function comprises a headrest rod and a headrest body, wherein the headrest body is arranged on the seat through the headrest rod, the height of the headrest body can be vertically adjusted on the headrest rod, the headrest rod is provided with a plurality of locking grooves which are arranged at intervals along the height direction of the headrest rod, and an unlocking structure which can be connected with the locking grooves is arranged in the headrest body; the unlocking structure comprises an unlocking plate arranged in the accommodating space inside the headrest body, the unlocking plate can be manually switched between a locking state and an unlocking state, the unlocking plate is provided with a through hole for the headrest rod to pass through, a locking block capable of being in plug-in fit with the locking groove is arranged on the inner wall of the through hole, and an operation hole for manually operating the unlocking plate is formed in the side edge of the headrest body; the unlocking plate is transversely and suspendedly arranged inside the headrest body, the bottom/top of the unlocking plate is elastically connected with the headrest body through a transversely arranged first spring, and the top/bottom of the unlocking plate is provided with a damping protrusion which is convexly arranged and is abutted to the headrest body.

In the technical scheme, the unlocking plate is simple in structure and easy to process and manufacture; besides, the bottom of the unlocking plate is connected with the headrest body through the first spring, the top of the unlocking plate is abutted against the headrest body through the damping protrusion, the unlocking plate is suspended, and the contact area of the unlocking plate and the headrest body is small. The utility model discloses an operation hole promotes the unlocking plate and overcomes the elasticity of first spring and the bellied resistance of damping and when moving left, compares prior art, and the frictional resistance that the unlocking plate of this scheme removed is little for the unblock of headrest body is comparatively light.

In a preferred embodiment of the present invention, the unlocking plate has a vertically disposed abutting portion located inside the headrest body, and a button capable of being intermittently pressed by the abutting portion is installed in the operation hole.

Among the above-mentioned technical scheme, make the unlocking board move with the unblock through pressing the button, the staff need not to stretch into the operation hole and operates the unlocking board from this, and it is more convenient to operate.

The utility model discloses an in the preferred embodiment, the rigid coupling has the button frame in the handle hole, and the button is installed in the button frame, and the button passes through second spring and button frame elastic connection.

Among the above-mentioned technical scheme, unlocking plate and button set up independent first spring and second spring respectively, and unlocking plate resets under the effect of first spring, and the button resets under the effect of second spring, and unlocking plate and the mutual noninterference that resets of button, the reliability is higher.

In a preferred embodiment of the present invention, the damping protrusion is a damping arm having one end fixedly connected to the unlocking plate and the other end being a free end; and/or the damping protrusion is an elastic protrusion.

Among the above-mentioned technical scheme, damping arm and elastic bulge's form all can make the damping arch have elasticity, improves tolerance nature, reduces the processing degree of difficulty of the protruding size of damping, guarantees that the damping arch can just can install with headrest body butt all the time, and the unlocking plate can not rock from top to bottom when producing slight sliding resistance and feeling.

The utility model discloses an in the preferred embodiment, it is protruding that the unlocking plate front side also is equipped with the damping, and the front side and the rear side of unlocking plate still are equipped with the direction arch, and the bellied protrusion height of damping of front side is greater than the direction arch.

Among the above-mentioned technical scheme, protruding and the direction of rear side is protruding through the damping that sets up the front side, makes the unlocking plate can not rock from beginning to end on the one hand, and the other hand plays the guide effect to the slip of unlocking plate.

In another preferred embodiment of the present invention, the headrest body has a mechanism front shell and a mechanism rear shell fastened to the mechanism front shell, the unlocking plate and the upper portion of the headrest rod are installed in the accommodating space formed by the mechanism front shell and the mechanism rear shell, and the damping protrusion abuts against the mechanism front shell and/or the mechanism rear shell.

In the utility model discloses an in another kind of preferred embodiment, the headrest pole is for falling "U" font structure, including two montants and the horizontal pole of connecting two montants, the horizontal pole is located headrest body inside, and inside two montant parts were located headrest body, all set up the locked groove on two montant kept away from the outer wall of handle hole.

In the technical scheme, the headrest body is connected with the seat through the two vertical rods, and the headrest body is also connected with the two vertical rods, so that the connection between the headrest rod and the seat and the connection between the headrest rod and the headrest body are firmer; and two montants pass through the horizontal pole and connect as an organic wholely, improve structural strength.

The utility model discloses an among another kind of preferred embodiment, the inside rigid coupling of headrest body has two sliding sleeves of the vertical setting that correspond with two montants, the montant insert in the sliding sleeve and with the vertical sliding connection of sliding sleeve.

Among the above-mentioned technical scheme, the vertical sliding connection of montant of sliding sleeve and headrest pole, the sliding sleeve plays the guide effect, can avoid the headrest body to rock on the headrest pole, makes the headrest body more firm with being connected of headrest pole.

The utility model discloses an in another kind of preferred embodiment, the headrest body includes that the headrest is anterior and the headrest rear portion, headrest pole, unlocking plate and handle hole are established at the headrest rear portion, the headrest is anterior including anterior skeleton, the anterior foam of nested outside anterior skeleton, and wrap up the anterior face cover of anterior foam, anterior skeleton includes the supporting seat and is located the flank of supporting seat left and right sides, the flank passes through the damping axle and is connected with the supporting seat rotation, the junction that anterior foam corresponds flank and supporting seat has the groove of stepping down that runs through the setting along the headrest direction of height.

In the technical scheme, when the angle of the front part of the headrest needs to be adjusted, people rotate the two side wings forwards or backwards to a proper angle, so that the two sides of the front foam are turned forwards or backwards along the abdicating groove, the shape of the pillow surface of the front part of the headrest is adjusted, and the use comfort is improved; and set up the groove of stepping down on the foam of front portion, when adjusting the anterior angle of headrest, have sufficient space of stepping down, reduce the extrusion of front portion foam each other and the fold of turning over a department, guarantee the resilience of front portion foam. The utility model discloses a headrest front portion has two flanks, can prevent effectively that the passenger from leading to the head to heel because of turning, the condition of bruising even.

In another preferred embodiment of the present invention, the headrest front portion further includes a side flap, the front end of the side flap has a clamping edge, the back of the side flap has a groove cooperating with the clamping edge, and the edge of the front cover is fixed in the groove of the side flap through the clamping edge of the side flap.

In the technical scheme, the side wing cover plate can cover the closing opening of the front face mask, so that the appearance is more attractive; on the other hand, the structure of the back of the side wing which is fussy can be covered.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a side view schematically showing a structure of a seat headrest according to an embodiment of the present application.

Fig. 2 is a front side three-dimensional structural view of the headrest rear portion in the embodiment of the present application.

Fig. 3 is a schematic view with the front cover of the mechanism of fig. 2 removed.

Fig. 4 isbase:Sub>A partial cross-sectional view ofbase:Sub>A-base:Sub>A in fig. 1.

Fig. 5 is a schematic perspective view of an unlocking plate in the embodiment of the present application.

Fig. 6 is a schematic front view of an unlocking plate in the embodiment of the present application.

Fig. 7 is an exploded schematic view of a seat headrest according to an embodiment of the present application.

Reference numerals in the drawings of the specification include: the headrest comprises a headrest body 100, a headrest front part 200, a front skeleton 210, a supporting seat 211, a side wing 212, a damping shaft 213, a front foam 220, an abdicating groove 221, a front cover 230, a side wing cover plate 240, a headrest rear part 300, a mechanism front shell 310, a mechanism rear shell 320, a sliding sleeve 330, a rear foam 340, an operation hole 341, a rear cover 350, a headrest rod 400, a cross rod 410, a vertical rod 420, a locking groove 421, an unlocking plate 500, a through hole 510, a locking block 511, a damping protrusion 520, an abutting part 530, a spring mounting seat 540, a first spring 550, a button 600, a button frame 610 and a second spring 620.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The utility model provides a seat headrest (be called headrest for short) of side unblock, as shown in fig. 1-3, in a preferred embodiment, this headrest includes headrest pole 400 and headrest body 100, and headrest body 100 passes through headrest pole 400 and installs on the seat, and headrest body 100 can be on headrest pole 400 vertical height-adjusting. In this embodiment, the headrest body 100 includes a headrest front portion 200 and a headrest rear portion 300, the headrest front portion 200 and the headrest rear portion 300 are fixed by clipping or are connected by bolts, and the headrest rods 400 are connected to the headrest rear portion 300. The headrest rod 400 is of an inverted U-shaped structure and comprises two vertical rods 420 and a cross rod 410 connected with the two vertical rods 420, wherein the cross rod 410 is located inside the headrest body 100, and the two vertical rods 420 are partially located inside the headrest body 100.

As shown in fig. 2 to 4, the two vertical rods 420 of the headrest rod 400 are respectively provided with a plurality of locking grooves 421 spaced along the height direction thereof, and the locking grooves 421 on the two vertical rods 420 are oriented in the same direction. The headrest body 100 is provided therein with an unlocking structure capable of being simultaneously connected to the locking grooves 421 of the two vertical rods 420. Specifically, the unlocking structure includes an unlocking plate 500 provided in the accommodating space inside the headrest body 100, the unlocking plate 500 is made of plastic or metal, and the unlocking plate 500 can be manually switched between the locked state and the unlocked state. The unlocking plate 500 has two through holes 510 for the two vertical rods 420 of the headrest rod 400 to pass through, and the inner walls of the two through holes 510 are respectively provided with a locking block 511 capable of being transversely inserted into and matched with the locking groove 421 on the corresponding vertical rod 420. The side of the headrest body 100 has an operation hole 341 for manually operating the unlocking plate 500, and the two vertical rods 420 are provided with a locking groove 421 on the outer wall away from the operation hole 341, as shown in fig. 4, so that the unlocking plate 500 is moved leftward through the operation hole 341 to unlock the headrest body 100.

As shown in fig. 4-6, in the present invention, the unlocking plate 500 is transversely and suspendedly disposed inside the headrest body 100, the bottom of the unlocking plate 500 is elastically connected to the headrest body 100 through the transversely disposed first springs 550, the number of the first springs 550 is two, and the two first springs 550 are disposed at intervals along the length direction of the unlocking plate 500; the unlocking plate 500 has a damping protrusion 520 protruding from the top thereof and abutting against the headrest body 100, and the damping protrusion 520 is an arc-shaped protrusion. Of course, the first spring 550 may be provided at the top of the unlocking plate 500 and the damping protrusion 520 may be provided at the bottom of the unlocking plate 500.

By adopting the technical scheme, in a normal state, under the action of the elastic force of the first spring 550, the two lock blocks 511 on the unlocking plate 500 are respectively inserted into the lock grooves 421 of the two vertical rods 420, so that the headrest body 100 is locked, and the headrest body 100 cannot vertically move relative to the headrest rod 400. When the height of the headrest body 100 needs to be adjusted, the unlocking plate 500 is pushed leftward (leftward and rightward in fig. 4) through the operation hole 341 by a hand of a person to overcome the elastic force of the first spring 550 and the resistance of the damping protrusion 520, so that the unlocking plate 500 moves leftward, the locking block 511 is disengaged from the locking groove 421 by the leftward movement of the unlocking plate 500, and the headrest body 100 is unlocked. Then, the headrest body 100 can be vertically moved on the vertical rods 420 of the headrest rod 400 to a proper height, and then the unlocking plate 500 is released, and under the action of the first spring 550, the unlocking plate 500 moves to the right, and the locking pieces 511 on the unlocking plate 500 are inserted into the locking grooves 421 of the vertical rods 420, thereby completing the locking of the headrest body 100.

The unlocking plate 500 of the present embodiment is not connected to the headrest body 100 through the two first springs 550 at the bottom, and the top is abutted to the headrest body 100 through one damping protrusion 520, and the unlocking plate 500 is suspended in the vertical direction, so that the contact area between the unlocking plate 500 and the headrest body 100 is small, the frictional resistance to the movement of the unlocking plate 500 is reduced, and the unlocking of the headrest body 100 is easy.

It should be noted that, after the unlocking plate 500 is released, the unlocking plate 500 moves rightward without clamping the locking piece 511 into the locking slot 421, but abuts against the outer wall of the vertical rod 420, at this time, under the self-weight of the headrest body 100, the headrest body 100 moves downward, and under the elastic force of the first spring 550, the locking piece 511 of the unlocking plate 500 is inserted into the locking slot 421 immediately below the same.

As shown in fig. 3, 4, 6 and 7, in another preferred embodiment, the unlocking plate 500 has a vertically disposed abutting portion 530 on the right side inside the headrest body 100, and a button 600 capable of abutting the abutting portion 530 is mounted in the operation hole 341. Preferably, a button frame 610 is fixed in the operation hole 341, the button 600 is laterally slidably connected in the button frame 610, and the button 600 is elastically connected to the button frame 610 by a second spring 620.

When a person needs to adjust the height of the headrest body 100, the button 600 is pressed to move the unlocking plate 500 leftward to unlock the headrest body 100, and after the headrest body 100 is adjusted to an appropriate height, the button 600 is released and the unlocking plate 500 is moved rightward to complete the locking of the headrest body 100.

As shown in fig. 2, 3 and 7, in another preferred embodiment, the headrest rear portion 300 of the headrest body 100 has a mechanism front case 310 and a mechanism rear case 320 that is snap-fitted to the mechanism front case 310, and both the mechanism front case 310 and the mechanism rear case 320 are made of plastic and are bolt-fastened together. The unlocking plate 500 and the upper portion of the headrest rod 400 are installed in the accommodating space formed by the mechanism front shell 310 and the mechanism rear shell 320, and the damping protrusion 520 abuts against the mechanism front shell 310 and/or the mechanism rear shell 320, for example, the damping protrusion 520 at the top of the unlocking plate 500 abuts against the mechanism front shell 310.

In another preferred embodiment, as shown in fig. 4, 6 and 7, two spring mounting seats 540 are spaced at the bottom of the unlocking plate 500, the left side of the spring mounting seat 540 is provided with a guide post extending leftwards, two first springs 550 are respectively mounted on the spring mounting seats 540 and sleeved outside the guide post, the right ends of the first springs 550 are fixedly connected with the spring mounting seats 540, and the left ends of the first springs 550 are fixedly connected with the mechanism front shell 310 of the headrest body 100.

In another preferred embodiment, as shown in fig. 4 and 5, the damping protrusion 520 is a damping arm whose left end is fixedly connected to the unlocking plate 500 and whose right end is a free end, and the damping protrusion 520 is preferably an elastic protrusion. Further preferably, the front side of the unlocking plate 500 is also provided with two damping protrusions 520 arranged at intervals along the length direction thereof, the front side and the rear side of the unlocking plate 500 are also provided with guide protrusions, the guide protrusions are arc-shaped protrusions, and the protrusion height of the damping protrusion 520 at the front side is greater than that of the guide protrusions. The two damping projections 520 on the front side of the unlocking plate 500 abut against the mechanism front case 310, and the two guide projections on the rear side of the unlocking plate 500 abut against the mechanism rear case 320.

As shown in fig. 3 and 7, in another preferred embodiment, two sliding sleeves 330, which are vertically disposed and correspond to the two vertical rods 420, are fixedly connected to the inside of the headrest body 100, and the vertical rods 420 are inserted into the sliding sleeves 330 and vertically slidably connected to the sliding sleeves 330. The sliding sleeve 330 is fixedly connected to the mechanism rear case 320, the sliding sleeve 330 is located above the unlocking plate 500, and the sliding sleeve 330 is located in the accommodating space formed by the mechanism front case 310 and the mechanism rear case 320.

In another preferred embodiment, as shown in fig. 3 and 7, the headrest rear portion 300 further includes a rear foam 340, a rear cover 350 fixedly coupled to the rear foam 340, and a rear cover 350 for covering the rear foam 340 and the rear cover 350, the mechanism front case 310 and the mechanism rear case 320 are installed in the rear foam 340, the operation hole 341 is located at a side of the rear foam 340, and the button 600 is installed on the rear foam 340.

In another preferred embodiment, as shown in fig. 7, the headrest front portion 200 includes a front frame 210 made of plastic, a front foam 220 nested outside the front frame 210, and a front cover 230 covering the front foam 220. The front frame 210 includes a support base 211 and two side wings 212 located at the left and right sides of the support base 211, and the side wings 212 are rotatably connected to the support base 211 through a damping shaft 213. The front foam 220 has a corresponding shoulder 212 and the support seat 111 at the connection position with a through groove 221 along the headrest height direction, the groove 221 is arranged on the front surface, the upper surface and the lower surface of the front foam 220, and the front cover 230 is also recessed corresponding to the groove 221.

When the angle of the headrest front portion 200 needs to be adjusted, a person rotates the two side wings 212 of the front portion framework 210 forward to a proper angle, and under the action of the damping shaft 213, the front portion framework 210 keeps the state, so that the two sides of the front portion foam 220 are turned over forward, the shape of the pillow surface of the headrest front portion 200 is adjusted, and the use comfort is improved; moreover, the utility model discloses a headrest front portion 200 has two flanks 212, can prevent effectively that the passenger from leading to the head to heel because of turning, the condition of bruising even.

In another preferred embodiment, as shown in fig. 7, the headrest front portion 200 further includes two side wing covers 240 made of plastic, and the two side wing covers 240 are disposed corresponding to the two side wings. The front face mask 230 wraps the front foam 220 from front to back and covers the sides of the front skeleton 210, and the edges of the front face mask 230 are compressed by the side flap cover plates 240, so that the front face mask 230 is fixed. Of course, elastic cords may be provided at the mouth of the front mask 230 to fix the front mask 230.

In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The seat headrest unlocked from the side surface comprises a headrest rod and a headrest body, wherein the headrest body is arranged on a seat through the headrest rod, the height of the headrest body can be vertically adjusted on the headrest rod, the headrest rod is provided with a plurality of locking grooves which are arranged at intervals along the height direction of the headrest rod, and an unlocking structure which can be connected with the locking grooves is arranged in the headrest body; the headrest structure is characterized by comprising an unlocking plate arranged in an accommodating space in the headrest body, wherein the unlocking plate can be manually switched between a locking state and an unlocking state, the unlocking plate is provided with a through hole for the headrest rod to pass through, the inner wall of the through hole is provided with a locking block which can be in plug-in fit with the locking groove, and the side of the headrest body is provided with an operation hole for manually operating the unlocking plate;

the unlocking plate is transversely and unsettledly arranged inside the headrest body, the bottom/top of the unlocking plate is elastically connected with the headrest body through a transversely arranged first spring, and the top/bottom of the unlocking plate is provided with a convex arrangement and a damping bulge abutted against the headrest body.

2. The laterally unlocked seat headrest of claim 1, wherein the unlocking plate has a vertically disposed abutment portion located inside the headrest body, and a button intermittently engageable with the abutment portion is mounted in the operating aperture.

3. The laterally unlocked seat headrest according to claim 2, wherein a button frame is fixedly secured to the operation hole, the button is installed in the button frame, and the button is elastically connected to the button frame by a second spring.

4. The laterally unlocked seat headrest of claim 1, wherein the damping projection is a damping arm secured at one end to the unlocking plate and at the other end being a free end;

and/or the damping protrusion is an elastic protrusion.

5. The laterally unlocked seat headrest according to claim 4, wherein the unlocking plate front side is also provided with said damping protrusions, and the front and rear sides of the unlocking plate are further provided with guide protrusions, the front damping protrusions having a protrusion height greater than that of the guide protrusions.

6. The laterally unlocked seat headrest according to claim 1, wherein the headrest body has a mechanism front shell and a mechanism rear shell fastened to the mechanism front shell, the unlocking plate and the upper portion of the headrest rod are installed in an accommodating space formed by the mechanism front shell and the mechanism rear shell, and the damping protrusions are abutted against the mechanism front shell and/or the mechanism rear shell.

7. The laterally unlocked seat headrest according to any one of claims 1-6, wherein the headrest rod is of an inverted "U" shaped structure and comprises two vertical rods and a cross rod connecting the two vertical rods, the cross rod is located inside the headrest body, the two vertical rods are partially located inside the headrest body, and the locking grooves are formed in the outer walls of the two vertical rods, which are far away from the operation hole.

8. The laterally unlocked seat headrest of claim 7, wherein two vertically disposed sliding sleeves corresponding to the two vertical rods are fixedly connected to the inside of the headrest body, and the vertical rods are inserted into the sliding sleeves and vertically slidably connected with the sliding sleeves.

9. The laterally unlocked seat headrest according to any one of claims 1 to 6, wherein the headrest body includes a headrest front portion and a headrest rear portion, the headrest rod, the unlocking plate and the operation hole are provided at the headrest rear portion, the headrest front portion includes a front frame, a front foam nested outside the front frame, and a front cover wrapping the front foam, the front frame includes a support seat and side wings located at left and right sides of the support seat, the side wings are rotatably connected with the support seat through a damping shaft, and a connection portion of the front foam corresponding to the side wings and the support seat has a recess penetrating and provided in a height direction of the headrest.

10. The laterally unlocked seat headrest of claim 9, wherein the headrest front portion further comprises a side wing cover plate, the front end of the side wing cover plate has a clamping edge, the back surface of the side wing has a groove snap-fitted with the clamping edge, and the edge of the front cover is fixed in the groove of the side wing through the clamping edge of the side wing cover plate.

Images