CN107822365B

CN107822365B - Retractable and adjustable headrest

Info

Publication number: CN107822365B
Application number: CN201710891287.5A
Authority: CN
Inventors: 陈正明
Original assignee: Zhejiang Zhengmeng Leisure Products Co ltd
Current assignee: Zhejiang Zhengmeng Leisure Products Co ltd
Priority date: 2017-09-27
Filing date: 2017-09-27
Publication date: 2022-09-06
Anticipated expiration: 2037-09-27
Also published as: CN107822365A

Abstract

The invention relates to a headrest, in particular to a stowable and adjustable headrest. The method comprises the following steps: a headrest mounted on the headrest support plate; a base for supporting; the first regulator comprises a rotating bracket and a universal connecting rod, the universal connecting rod penetrates through the rotating bracket, the top of the universal connecting rod is in universal connection with a pad supporting plate, and the rotating bracket is connected to the base through a first base; the second regulator comprises a regulating rod and a regulating piece, and the regulating piece is positioned on the base; the top of the adjusting rod is connected with a cushion supporting plate through a universal connecting piece. The height of the front part and the rear part of the headrest and the front-back left-right inclination angle are adjusted through the first adjuster and the second adjuster, so that the effects of adjustability and wide application range are achieved.

Description

Retractable and adjustable headrest

Technical Field

The invention relates to a noon break pillow, in particular to a height and angle adjustable and storable and adjustable headrest.

Background

Due to the fact that the pace of work and life of people is accelerated, the demand of long-term business people or office people on the head cushion is increased. The head cushion is improved by different technologies along with the continuous improvement of the living standard of people. However, the head cushions on the market generally have the problem of single function, and because different users have different requirements for the head cushions, the head cushions which only show basic functions cannot meet the requirements of people.

For example, chinese patent application No. 201510408856.7 discloses a multifunctional intelligent afternoon nap pillow, which comprises an afternoon nap pillow, an earphone, an alarm clock, a hinge, a telescopic rod and a fixing device; the afternoon nap pillow is in a U shape attached to the face, and is divided into a left part and a right part from the middle position of the bottom to form an included angle; the hinge is positioned at the breaking position of the bottom of the afternoon nap pillow; the telescopic rod is positioned at the lower end of the hinge; the fixing device is connected to the lower end of the telescopic rod. The technical scheme solves the problems that the angle of the headrest cannot be changed and the height of the headrest cannot be adjusted, but the vertical U-shaped pillow is still not comfortable due to the limitation of the shape and the structure; in addition, the stability of the headrest cannot be guaranteed by a single telescopic rod, and the front-back inclination of the headrest cannot be adjusted.

Disclosure of Invention

In order to solve the above-mentioned technical problems, an embodiment of the present invention discloses a stowable adjustable headrest capable of adjusting the height of the front and rear portions of a headrest and the front, rear, left and right tilt angles. The specific technical scheme is as follows:

a stowable, adjustable headrest comprising: a headrest mounted on the headrest support plate; a base for supporting; the first regulator comprises a rotating bracket and a universal connecting rod, the universal connecting rod penetrates through the rotating bracket, the top of the universal connecting rod is in universal connection with a pad supporting plate, and the rotating bracket is connected to the base through a first base; the second regulator comprises a regulating rod and a regulating piece, and the regulating piece is positioned on the base; the top of the adjusting rod is connected with a joint pad supporting plate through a universal connecting piece. The height of the front part and the rear part of the headrest and the front-back left-right inclination angle are adjusted through the first adjuster and the second adjuster, so that the effects of adjustability and wide application range are achieved.

Furthermore, a second base is arranged on the base, and the adjusting piece is positioned on the second base. The position of the adjusting piece is relatively fixed, and the adjusting piece is adjusted, so that the adjusting rod can move up and down under the action of the adjusting piece, and the height is adjusted. Preferably, the adjusting piece is of an adjusting nut structure, the adjusting rod is a threaded rod, and the height of the threaded rod can be adjusted by rotating the adjusting nut.

Furthermore, the bottom of the adjusting rod is provided with a stop piece, so that the adjusting rod can extend out of the second base and cannot be separated from the second base. The adjusting rod is limited in the second base through the stop piece, and the adjusting rod is prevented from being separated from the base in the adjustment process of the noon break pillow.

Furthermore, the bottom of first base design has a plurality of base bayonets, through rotatory first base with base bayonet socket and design base bayonet socket on the base relative andor separation. Because universal connection between universal connecting rod and the connecting seat, first regulator can be relative 360 degrees rotations of headrest layer board, makes first base can dismantle through setting up the base bayonet socket to realize the folding of headrest.

Furthermore, the top of the adjusting rod is connected with a spherical head, the spherical head is connected with a universal connecting piece, and the universal connecting piece can swing left and right relative to the adjusting rod. The universal connection enables the front portion of the headrest supporting plate to incline left and right, and meanwhile the height and the angle of the rear portion of the headrest supporting plate are matched. In order to facilitate the folding of the headrest, the universal connecting piece is movably connected with the headrest supporting plate through a bolt, so that the headrest supporting plate can swing back and forth relative to the universal connecting piece.

Furthermore, the rotating bracket is sleeved on a pivot and is rotatably arranged on the first base through the pivot. Because the universal connecting rod sets up inside the runing rest, the runing rest can rotate and make the universal connecting rod can incline certain angle to the height or the angle of adjustment headrest layer board.

Furthermore, an adjusting button penetrates through the rotating bracket and the pivot and is positioned on the rotating bracket or the pivot through an adjusting spring, and a limiting key on the adjusting button can be clamped in a limiting groove on the universal connecting rod. And when the adjusting button is pressed, the limiting key is separated from the limiting groove, the headrest supporting plate moves up and down at the moment, the universal connecting rod moves up and down along with the headrest supporting plate, and the adjusting button is released at a proper position, so that the adjustment of the height of the headrest is completed.

Furthermore, the bottom of the base is provided with an elastic rope, the elastic rope in a natural state is contained in the cover plate, and the outer end of the elastic rope is connected with a pull buckle; the bottom of the headrest supporting plate is provided with a locking groove; when the headrest is folded, the pulling buckle can be buckled in the locking groove. The headrest can be locked in a folding state through the locking function of the elastic ropes, a stable structure is kept, and the headrest is not easy to movably deform.

Furthermore, an elastic pad is arranged between the adjusting rod and the spherical head. Through setting up the cushion, play the cushioning effect to the position control of headrest layer board, and reduce friction and sound in the adjustment process, travelling comfort when improving the headrest and using.

Preferably, the placing part is arranged on the upper part of the base, so that a user can place an arm conveniently, and the use experience of the user is optimized.

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

1. the foldable adjustable headrest has a simple structure and is convenient to fold, and the required accommodating space after folding is close to that of a common U-shaped headrest;

2. the height of the front part and the rear part of the headrest can be respectively adjusted by the retractable and adjustable headrest, so that the use requirements of different environments are met, and the use comfort is improved;

3. the foldable adjustable headrest can change the height and the longitudinal angle of the headrest, and can also adjust the transverse angle, namely the head of a user can rotate to change the stress direction in use, thereby further improving the comfort.

Drawings

FIG. 1 is a view of the embodiment of the present invention in the lowest position after deployment;

FIG. 2 is a view of the embodiment of the present invention in the highest position after deployment;

FIG. 3 is an overall exploded view of an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of the first regulator of FIG. 3;

FIG. 5 is an embodiment of the second regulator of FIG. 3;

FIG. 6 is another embodiment of a second regulator;

FIG. 7 is a view showing a folding process according to an embodiment of the present invention;

fig. 8 is a view showing a folded state of the embodiment of the present invention.

The labels in the figures are:

1-a head pad supporting plate, 12-a head pad, 13-a connecting seat, 14-a universal connecting piece, 15-a locking groove and 16-a bolt;

2-a first adjuster, 21-a first base, 22-a rotating bracket, 23-an adjusting button, 24-an adjusting spring, 25-a universal connecting rod, 251-a limiting groove, 26-a pivot, 27-a shaft cover, 28-a limiting sheet and 29-a base bayonet;

3-a second regulator, 31-a support rod, 32-a regulating rod, 321-a stop piece, 33-a regulating piece, 331-a groove, 332-an internal thread, 34-an elastic pad and 35-a spherical head;

4-base, 41-second base, 411-projection, 42-gasket, 43-laying part and 44-base bayonet;

5-elastic rope, 51-cover plate and 52-pull buckle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

In the present embodiment, "front" refers to the left direction in fig. 1, and "rear" refers to the right direction in fig. 1.

The embodiment of the invention discloses a foldable adjustable headrest capable of adjusting the height and the front-back inclination angle of a headrest.

As shown in fig. 1 to 3, the stowable, adjustable headrest includes: a headrest 12 mounted on the headrest supporting plate 1, a base 4 for supporting the accomodating adjustable headrest, and a first adjuster 2 rotatably provided on the base 4 and having a top portion to which the headrest supporting plate 1 is attached. And a second regulator 3 which is rotatably arranged on the base 4 and the top of which is connected with the pad supporting plate 1.

The headrest 12 adopts the soft headrest of cyclic annular C shape or U-shaped, and lower jaw department is the opening part, improves comfort level and gas permeability of using, and headrest 12 passes through the magic subsides to be fixed a position on the headrest layer board 1.

The base 4 is provided with a first base 21 and a second base 41 at front and rear positions, respectively, in this embodiment, the second base 41 and the base 4 are integrally formed, the first base 21 is fixed on the base 4 through a fastening device (a base bayonet 29 and a base bayonet 44), and the headrest supporting plate 1 is provided with a connecting seat 13 and a universal connecting piece 14 at positions corresponding to the first base 21 and the second base 41 of the base 4, respectively.

As shown in fig. 4, the first adjuster 2 includes a first base 21, a rotating bracket 22, and a universal connecting rod 25. The first base 21 is fastened on the base 4, a pivot 26 passes through the annular bracket on the first base 21, the rotating bracket 22 is sleeved on the pivot 26 and can be arranged on the first base 21 in a back-and-forth rotating mode through the pivot 26, and the outer end of the pivot 26 is positioned through a shaft cover 27.

An adjustment knob 23 extends transversely through the rotating bracket 22 and the pivot 26 and is positioned on the rotating bracket 22 by an adjustment spring 24. A universal connecting rod 25 is inserted through the center of the rotating bracket 22 in a direction perpendicular to the adjustment knob 23, i.e., the universal connecting rod 25 passes through both the pivot shaft 26 and the adjustment knob 23. The top of the universal connecting rod 25 is provided with a universal head, and the universal connecting rod is connected with a connecting seat 13 arranged below the cushion supporting plate 1. The universal connecting rod 25 is uniformly provided with a plurality of limiting grooves 231.

The limit key on the adjusting button 23 can be clamped in the limit groove 251 on the universal connecting rod 25. When the adjusting button is pressed, the limiting key is separated from the limiting groove 251, the rear part of the headrest supporting plate 1 moves up and down at the moment, the universal connecting rod 25 moves up and down along with the adjustment button, the adjusting button 23 is released at a proper position, and the limiting key is clamped into the limiting groove 251 again to complete the adjustment of the height of the rear part of the headrest 1.

In order to prevent the universal connecting rod 25 from being separated from the first adjuster 2 when moving upwards, a limiting piece 28 is arranged at the bottom of the universal connecting rod 25.

Because universal joint pole 25 sets up inside runing rest 22, runing rest 22 passes through first base 21 and connects on base 4, through rotating runing rest 22 promptly for universal joint pole 25 can incline certain angle around the front and back, thereby adjusts the height or the angle of headrest layer board 1. The universal connection of universal connecting rod 25 and connecting seat 13 makes headrest layer board 1 rear portion can the multi-angle slope, and the adjustment of the anterior second regulator 3 of cooperation headrest layer board 1 makes headrest 12 reach optimal use height and angle.

The second adjuster 3 is connected between the second base 41 and the universal joint 14.

As shown in fig. 5, the top of the second base 41 has an annular protrusion 411, the lower portion of the adjusting member 33 has a groove 331, and the groove 331 is snapped on the protrusion 411, so that the adjusting member 33 is positioned on the second base 41 and can rotate relatively without being separated from the base 4; the adjustment rod 32 passes through the adjustment member 33, and the internal thread 332 of the adjustment member 33 is closely fitted with the external thread of the adjustment rod 32. Since the position of the adjusting member 33 is relatively fixed, when the adjusting member 33 is rotated, the adjusting rod 32 moves up and down under the action of the screw thread, thereby realizing the height adjustment.

Specifically, the second adjuster 3 includes a rod 31, an adjusting lever 32, and an adjusting member 33. The adjusting rod 32 is arranged in the second base 41, the bottom of the adjusting rod 32 is integrally connected with the stop piece 321, the maximum diameter of the adjusting rod 32 is smaller than the diameter of the top opening of the second base 41, and the maximum diameter of the stop piece 321 is larger than the diameter of the top opening of the second base 41.

Preferably, a longitudinal long positioning slide may be disposed inside the second base 41, and the stop piece 321 corresponding to the positioning slide is engaged with the positioning slide, so that the adjusting rod 32 can extend upwards to the outside of the second base 41 without falling off the second base 41, and the ascending and descending processes of the adjusting rod 32 are more stable. The positioning slide way can be concave or convex, the structure of the opposite stop piece 321 is changed, and if the positioning slide way is concave, the structure of the stop piece 321 shown in fig. 3 or 5 can be adopted; if the positioning slide is convex, the stop member 321 may be annular and have openings corresponding to the positioning slide, and the openings are clamped on the positioning slide. So that the adjusting lever 32 will not rotate relative to the base 4 and will not fall off the second base 41.

In order to facilitate the installation of the adjusting rod, a supporting rod 31 is arranged inside the adjusting rod 32, and the bottom end of the supporting rod is connected with the adjusting rod 32 through a tapping screw, so that the supporting rod 31 and the adjusting rod 32 move synchronously; a spherical head 35 is connected at the top of the strut 31, and the spherical head 35 is connected with the universal connecting piece 13 through a bolt arranged in the front-back direction, so that the universal connecting piece 13 can rotate left and right relative to the base. In order to make the angular adjustment more stable, comfortable and possible to return, an elastic pad 34 is clamped between the rod 31 and the spherical head 35.

As shown in fig. 6, in another embodiment of the second adjuster 3, the stop member 321 may be designed as a separate structure from the adjusting rod 32, and the adjusting rod 32 is directly connected to the spherical head 35.

The elastic rope 5 is arranged at the bottom of the base 4, the elastic rope 5 in a natural state is contained in the cover plate 51, and the outer end of the elastic rope 5 is connected with the pull buckle 52; the bottom of the headrest supporting plate 1 is provided with a locking groove 15; the tab 52 can be snapped into the locking slot 15 when the headrest is in the folded state. Through the locking effect of the elastic rope 5, the headrest can be locked in a folding state, a stable structure is kept, and the headrest is not easy to movably deform.

In addition, in order to prevent the noon break pillow from sliding, a gasket 42 is provided at the bottom of the base 4 for preventing the noon break pillow from sliding. The placing part 43 is arranged on the upper part of the base 4 and between the first base 21 and the second base 41, which is convenient for a user to place an arm and optimizes the use feeling of the user. A handle or a hook can be arranged on the base 4, so that the lunch break pillow is convenient to carry.

The folding manner of this embodiment is shown in fig. 7 and 8:

the first base 21 is rotated to disengage the base catch 29 from the base catch 44, and the first actuator 2 is disengaged from the base 4.

The headrest supporting plate 1 is lifted to be in a vertical state by taking the bolt 16 for connecting the headrest supporting plate 1 and the universal connecting piece 14 as an axis, the headrest supporting plate 1 is rotated by 180 degrees by taking the adjusting rod 32 as an axis, and then the headrest supporting plate 1 is turned backwards to the position shown in fig. 7, so that folding is completed.

The pull button 52 is pulled out to go around the headrest 12, and the bayonet is locked in the locking groove 15 to lock the headrest after storage.

Fig. 6 shows that the headrest is not necessarily folded in the turning process, but only for understanding the folding process of the headrest, and the headrest support plate 1 does not need to be turned over to the position during actual folding, and can be folded in the vertical position.

The height of the front part and the rear part of the headrest 1 and the front-back left-right inclination angle are adjusted through the first adjuster 2 and the second adjuster 3, so that the effect of adjustability and wide application range is achieved. And through setting up base bayonet socket and base bayonet socket to and draw the knot, realize folding up of headrest, reduce the volume of headrest, save the storage space.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stowable adjustable headrest, comprising:

a headrest (12) mounted on the headrest support plate (1);

a base (4) for supporting;

the rotating support (22) is sleeved on the pivot (26) and can be arranged on the first base (21) in a front-back rotating mode through the pivot (26), the outer end of the pivot (26) is positioned through the shaft cover (27), the limiting key on the adjusting button (23) can be clamped in the limiting groove (251) on the universal connecting rod (25), and the bottom of the universal connecting rod (25) is provided with a limiting sheet (28);

the bottom end of the first base (21) is provided with a plurality of base bayonets (29), and the base bayonets (29) are opposite to or separated from base bayonets (44) arranged on the base (4) by rotating the first base (21);

the top of the adjusting rod (32) is connected with a spherical head (35), the spherical head (35) is connected with the universal connecting piece (14), and the universal connecting piece (14) can swing left and right relative to the adjusting rod (32);

a connecting seat (13) is arranged below the headrest supporting plate (1), and a universal connecting rod (25) is in universal connection with the connecting seat (13);

the second adjuster (3) comprises an adjusting rod (32) and an adjusting piece (33), and the adjusting piece (33) is positioned on the base (4); the top of the adjusting rod (32) is connected with the cushion supporting plate (1) through a universal connecting piece (14).

2. The stowable adjustable headrest according to claim 1, characterized in that a second seat (41) is provided on the base (4), and the adjuster (33) is positioned on the second seat (41).

3. The stowable adjustable headrest according to claim 1, wherein a stopper (321) is provided at the bottom of the adjustment lever (32) so that the adjustment lever (32) can be extended out of the second base (41) without coming out of the second base (41).

4. The stowable adjustable headrest according to claim 1, wherein the adjustment rod is a threaded rod and the adjustment member is an adjustment nut structure that is threadedly engaged with the adjustment rod.

5. The stowable adjustable headrest according to claim 1, characterized in that an adjustment button (23) passes through the pivot bracket (22) and the pivot shaft (26), and is positioned on the pivot bracket (22) or the pivot shaft (26) by an adjustment spring (24), and a limit key (231) on the adjustment button (23) can be engaged in a limit groove (251) on the gimbal link (25).

6. The stowable adjustable headrest according to claim 1, wherein a bungee cord (5) is provided at the bottom of the base, the bungee cord (5) is stowed in the cover plate (51) in a natural state, and a buckle (52) is connected to the outer end of the bungee cord (5); the bottom of the headrest supporting plate (1) is provided with a locking groove (15); when the headrest is folded, the pull buckle (52) can be buckled in the locking groove (15).

7. The stowable adjustable headrest according to claim 1, characterized in that an elastic pad (34) is provided between the adjustment lever (32) and the spherical head (35).