CN219020650U - Headrest support and office chair - Google Patents

Abstract

The utility model discloses a headrest support, which comprises: the backrest comprises a first frame body, a second frame body and a connecting piece, wherein a first connecting structure for connecting the backrest is arranged on the first frame body; the second frame body is movably connected with the first frame body, the connecting piece is movably arranged on the second frame body, a second connecting structure for connecting the headrest is arranged on the connecting piece, and one of the first frame body, the second frame body and the connecting piece can perform telescopic movement relative to the other adjacent to the first frame body and the second frame body; one of the first frame body, the second frame body and the connecting piece can rotate relative to the other adjacent to the other. The headrest can be fully adjusted relative to the position and the angle of the backrest, so that the office chair can be adapted to different user sizes, and comfortable use experience can be brought to each user.

Description

Headrest support and office chair

Technical Field

The utility model relates to the field of office chairs, in particular to a headrest support and an office chair.

Background

As is well known, a conventional office chair, referring to fig. 1, is generally equipped with a headrest 920 on its backrest 910. Currently, the headrest is generally fixedly mounted on the top of the backrest 910 through a bracket, however, the headrest configured in this way is fixed in position, so that it is difficult to adapt to users with different sizes, and thus it is difficult for the existing office chair to provide comfortable experience for different users.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a headrest bracket which can adapt a headrest to different users.

The utility model also provides an office chair with the headrest support.

A headrest bracket according to an embodiment of the first aspect of the utility model includes: the backrest comprises a first frame body, a second frame body and a connecting piece, wherein a first connecting structure for connecting the backrest is arranged on the first frame body; the second frame body is movably connected with the first frame body, the connecting piece is movably arranged on the second frame body, a second connecting structure for connecting the headrest is arranged on the connecting piece, and one of the first frame body, the second frame body and the connecting piece can perform telescopic movement relative to the other adjacent to the first frame body and the second frame body; one of the first frame body, the second frame body and the connecting piece can rotate relative to the other adjacent to the other.

The headrest bracket provided by the embodiment of the utility model has at least the following beneficial effects: the first frame body is connected with the backrest, and after the connecting piece is connected with the headrest, the headrest can be effectively installed on the backrest of the office chair. When the first frame body, the second frame body and the connecting piece perform relative movement, the headrest connected with the connecting piece can be directly and effectively driven to perform movement together, wherein the relative distance between the headrest and the backrest can be adjusted through telescopic movement, and the relative angle between the headrest and the backrest can be adjusted through rotation. Therefore, the position and the angle of the headrest relative to the backrest can be fully adjusted, so that the office chair can be adapted to different user sizes, and comfortable use experience can be brought to each user.

According to some embodiments of the utility model, the second frame body is hinged to the first frame body, a knob is connected to a connecting position of the first frame body and the second frame body in a threaded mode, and the knob can be screwed close to and clamp the first frame body and the second frame body.

According to some embodiments of the utility model, the connecting piece is slidably mounted on the second frame, and a fixing structure is arranged between the connecting piece and the second frame, and the fixing structure can relatively fix the second frame and the connecting piece.

According to some embodiments of the utility model, the fixing structure includes a clamping rack and a clamping portion, one of the clamping rack and the clamping portion is disposed on the second frame body, the other is disposed on the connecting piece, and the clamping portion can move relative to the clamping rack and is clamped to a part of the clamping rack.

According to some embodiments of the present utility model, the connecting piece is movably provided with a pushing piece, the clamping portion is arranged at the edge of the pushing piece, and the latch bar is arranged at the second frame body; a spring is arranged between the pushing piece and the connecting piece, and the spring can elastically push the pushing piece to move towards the latch strip.

According to some embodiments of the utility model, one of the connecting piece and the pushing piece is provided with a connecting pile, the other is provided with a connecting hole, the connecting pile is movably arranged in the connecting hole, and the pushing piece can rotate relative to the connecting piece through the connecting pile and the connecting hole.

According to some embodiments of the utility model, the connecting member is provided with a lifting structure, the connecting member is connected with the headrest through the lifting structure, and the connecting member can be displaced relative to the headrest through the lifting structure.

According to some embodiments of the utility model, the lifting structure comprises a mounting plate fixed at the headrest, a chute is arranged on the mounting plate, a mounting piece is arranged in the chute in a sliding manner, the connecting piece is connected with the mounting piece, and a clamping structure is arranged between the mounting piece and the chute.

According to some embodiments of the utility model, the clamping structure comprises a clamping part arranged on the mounting piece, and a plurality of protruding parts are arranged on the side part of the sliding groove; the clamping part is provided with an elastic clamping ring, and the clamping ring can be clamped between two adjacent protruding parts.

An office chair according to an embodiment of the second aspect of the present utility model includes a headrest bracket according to an embodiment of the first aspect of the present utility model described above.

The office chair provided by the embodiment of the utility model has at least the following beneficial effects: the first frame body is connected with the backrest, and after the connecting piece is connected with the headrest, the headrest can be effectively installed on the backrest of the office chair. When the first frame body, the second frame body and the connecting piece perform relative movement, the headrest connected with the connecting piece can be directly and effectively driven to perform movement together, wherein the relative distance between the headrest and the backrest can be adjusted through telescopic movement, and the relative angle between the headrest and the backrest can be adjusted through rotation. Therefore, the position and the angle of the headrest relative to the backrest can be fully adjusted, so that the office chair can be adapted to different user sizes, and comfortable use experience can be brought to each user.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a prior art headrest bracket;

FIG. 2 is a schematic view of a headrest bracket according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the headrest bracket shown in FIG. 2 after adjustment;

FIG. 4 is an exploded view of a knob of the headrest bracket shown in FIG. 2;

FIG. 5 is an exploded schematic view of a second bracket of the headrest bracket shown in FIG. 2;

fig. 6 is a schematic view of a lifting structure of the headrest bracket shown in fig. 2.

Reference numerals: a first frame 100; a first connection structure 150; a second frame 200; a card rack 250; a knob 300; a connecting stud 310; pushing the spring 320; a shaped boss 350; a threaded bore 355; a connector 400; groove 430; connecting piles 435; a second connection structure 450; pushing member 500; a detent 510; a connection hole 520; a spring 530; a frame 610; a lifting structure 620; a mounting plate 621; a chute 622; a boss 623; a mount 625; a clamping portion 626; a collar 627; a front case 630; a backrest 910; a headrest 920;

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, a headrest bracket includes: the first frame 100, the second frame 200 and the connecting member 400, wherein the first frame 100 is provided with a first connecting structure 150 for connecting the backrest 910; the second frame body 200 is movably connected to the first frame body 100, the connecting piece 400 is movably arranged on the second frame body 200, a second connecting structure 450 for connecting the headrest 920 is arranged on the connecting piece 400, and one of the first frame body 100, the second frame body 200 and the connecting piece 400 can perform telescopic movement relative to the other adjacent to the first frame body 100; one of the first frame 100, the second frame 200, and the connection member 400 can be rotated with respect to the other adjacent thereto. The first frame body 100 is connected to the backrest 910, and after the connection member 400 is connected to the headrest 920, the headrest 920 is effectively mounted to the backrest 910 of the office chair. When the first frame 100, the second frame 200 and the connecting piece 400 perform relative movement, the headrest 920 connected with the connecting piece 400 can be directly and effectively driven to move together, wherein the relative distance between the headrest 920 and the backrest 910 can be adjusted by telescopic movement, and the relative angle between the headrest 920 and the backrest 910 can be adjusted by rotation. Therefore, the headrest 920 can be fully adjusted with respect to the position and angle of the backrest 910, so that the office chair can be adapted to different user sizes, and thus a comfortable use experience can be provided for each user.

Specifically, the first connection structure 150 and the second connection structure 450 are hole sites for connection, and the hole sites can be inserted with bolts and other components to achieve the connection effect. Of course, the first connection structure 150 and the second connection structure 450 are not limited to the configuration, and may be, for example, glue or the like, and are connected by means of glue. The specific embodiments may be adapted accordingly, without limitation, according to the actual circumstances.

In some embodiments, referring to fig. 3, the second frame 200 is hinged to the first frame 100, and a knob 300 is screw-coupled to a junction of the first frame 100 and the second frame 200, and the knob 300 can screw to approach and clamp the first frame 100 and the second frame 200. The hinge between the first frame 100 and the second frame 200 enables the second frame 200 to rotate relative to the first frame 100, so as to drive the connector 400 and the headrest 920 to rotate, thereby directly and effectively achieving the angle adjusting effect of the headrest 920. The knob 300 is connected through threads, so that the clamping effect on the first frame body 100 and the second frame body 200 can be achieved in the process of spiral movement, the first frame body 100 and the second frame body 200 are relatively fixed, and the problem that the headrest 920 shakes is avoided.

Specifically, referring to fig. 4, the knob 300 is two and is connected to both sides of the first bracket, respectively. One of the two knobs 300 is provided with a connecting stud 310 and the other is provided with a profiled boss 350; the special-shaped boss 350 stretches into the second frame body 200, a threaded hole 355 is formed in the special-shaped boss 350, the connecting stud 310 penetrates through the second frame body 200 and is in threaded connection with the threaded hole 355, and the two knobs 300 can be matched to clamp the first frame body 100 and the second frame body 200.

Further, a pushing spring 320 is disposed between the knob 300 and the mounting hole of the second frame 200, and the pushing spring 320 can maintain the opposite tight-pushing state of the two knobs 300.

Still further, the shaped boss 350 is a hexagonal prism.

In some embodiments, referring to fig. 5, the connection member 400 is slidably mounted on the second frame 200, and a fixing structure is disposed between the connection member 400 and the second frame 200, and the fixing structure can relatively fix the second frame 200 and the connection member 400. The relative sliding between the connecting piece 400 and the second frame 200 can drive the headrest 920 to displace relative to the backrest 910, so as to directly and effectively adjust the relative position between the headrest 920 and the backrest 910, and further enable the headrest 920 to adapt to users with different sizes. The fixing structure can fix the position of the telescopic headrest 920, so as to avoid the problem of automatic rebound of the headrest 920.

In some embodiments, referring to fig. 5, the fixing structure includes a rack 250 and a clamping portion 510, one of the rack 250 and the clamping portion 510 is disposed on the second frame 200, the other is disposed on the connecting piece 400, and the clamping portion 510 can move relative to the rack 250 and be clamped to a part of the rack 250. When the connecting piece 400 slides relative to the second frame 200, the clamping portion 510 and the latch 250 are driven to move relatively. And after the connecting piece 400 stops moving, the clamping part 510 will receive the clamping effect of each clamping pool on the latch bar 250, so as to directly and rapidly realize the clamping fixation of the connecting piece 400, and avoid the problem of shaking and rebounding of the adjusted headrest 920.

In some embodiments, referring to fig. 5, a pushing member 500 is movably disposed on the connecting member 400, a clamping portion 510 is disposed at an edge of the pushing member 500, and a latch bar 250 is disposed on the second frame 200; a spring 530 is disposed between the pushing member 500 and the connecting member 400, and the spring 530 can elastically push the pushing member 500 to move toward the card rack 250. When the connecting piece 400 drives the pushing piece 500 and the clamping part 510 on the pushing piece 500 to move, the clamping part 510 is pushed by the clamping teeth on the clamping tooth strip 250, and overcomes the force of the spring 530 to move away from the clamping tooth strip 250, so that the movement of the connecting piece 400 can be smoothly performed. After the movement of the connecting member 400 is stopped, the spring 530 will apply force to the pushing member 500, and the clamping portion 510 is clamped to the latch 250, so as to achieve the effect of clamping and fixing.

Specifically, the bottom of the connecting member 400 is provided with a groove 430, the pushing member 500 is movably mounted in the groove 430, and the spring 530 is connected to the side wall of the groove 430 and the pushing member 500.

In some embodiments, referring to fig. 5, one of the connector 400 and the pusher 500 is provided with a connection peg 435 and the other is provided with a connection hole 520, the connection peg 435 is movably mounted in the connection hole 520, and the pusher 500 can rotate relative to the connector 400 through the connection peg 435 and the connection hole 520. The cooperation of the connection piles 435 and the connection holes 520 can drive the pushing member 500 to move together when the connection member 400 moves, and the pushing member 500 and the connection member 400 can also rotate, so that when the connection member 400 moves, the pushing member 500 can move away from the clamping rack 250, and smooth movement of the connection member 400 can be effectively ensured.

Specifically, the connection peg 435 is disposed at the bottom of the connection piece 400, the connection hole 520 is disposed at the pushing piece 500, and the width and length of the connection hole 520 are both greater than the maximum radial dimension of the connection peg 435.

In some embodiments, referring to fig. 2, a lifting structure 620 is provided on the link 400, the link 400 is connected to the headrest 920 through the lifting structure 620, and the link 400 can be displaced relative to the headrest 920 by the lifting structure 620. The elevating structure 620 allows further displacement adjustment between the connector 400 and the headrest 920, effectively increasing the adjustment range of the headrest 920, thereby facilitating the adjustment of the headrest 920 to the target position.

Specifically, the moving direction of the elevating structure 620 and the telescopic direction of the connection member 400 are staggered with each other. The staggered movement directions may allow the headrest 920 to be multi-dimensionally adjusted, and thus the headrest 920 may be more fully adjusted.

In some embodiments, referring to fig. 6, the lifting structure 620 includes a mounting plate 621 fixed at the headrest 920, a sliding groove 622 is provided on the mounting plate 621, a mounting member 625 is slidably provided in the sliding groove 622, the connecting member 400 is connected to the mounting member 625, and a clamping structure is provided between the mounting member 625 and the sliding groove 622. When the headrest 920 and the connecting piece 400 need to perform relative movement, the connecting piece 400 can drive the mounting piece 625 to perform relative sliding in the sliding groove 622, so that the relative sliding effect between the connecting piece 400 and the headrest 920 can be directly and effectively achieved. The clamping structure can be used for clamping and fixing the sliding groove 622 and the mounting piece 625 after position adjustment, so that the adjusted headrest 920 can be fixed in position, and the problem that the headrest 920 shakes is avoided.

Specifically, the headrest 920 has a frame 610 and a front case 630, and a mounting plate 621 is fixed between the frame 610 and the front case 630.

In some embodiments, referring to fig. 6, the detent structure includes a detent portion 626 provided on the mount 625, and a plurality of protrusions 623 are provided on a side of the chute 622; the clamping portion 626 is provided with a resilient collar 627, and the collar 627 can be clamped between two adjacent protruding portions 623. When the connecting piece 400 drives the clamping portion 626 to move relative to the chute 622, the clamping ring 627 and the protruding portion 623 at the side of the chute 622 are driven to press each other, and the clamping ring 627 is elastically deformed, so that the clamping ring 627 can smoothly pass through the protruding portion 623. When the movement of the connecting piece 400 is stopped, the collar 627 will be elastically restored, and the collar 627 is clamped between the two adjacent protruding portions 623, so as to directly and effectively achieve the clamping effect between the clamping portion 626 and the chute 622, and further effectively fix the headrest 920.

A second aspect of the present utility model provides an embodiment of an office chair comprising the above headrest support. The first frame body 100 is connected to the backrest 910, and after the connection member 400 is connected to the headrest 920, the headrest 920 is effectively mounted to the backrest 910 of the office chair. When the first frame 100, the second frame 200 and the connecting piece 400 perform relative movement, the headrest 920 connected with the connecting piece 400 can be directly and effectively driven to move together, wherein the relative distance between the headrest 920 and the backrest 910 can be adjusted by telescopic movement, and the relative angle between the headrest 920 and the backrest 910 can be adjusted by rotation. Therefore, the headrest 920 can be fully adjusted with respect to the position and angle of the backrest 910, so that the office chair can be adapted to different user sizes, and thus a comfortable use experience can be provided for each user.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A headrest bracket, comprising:

a first frame body (100), wherein a first connecting structure (150) for connecting a backrest (910) is arranged on the first frame body (100);

a second frame body (200) movably connected with the first frame body (100),

the connecting piece (400) is movably arranged on the second frame body (200), a second connecting structure (450) for connecting a headrest (920) is arranged on the connecting piece (400), and one of the first frame body (100), the second frame body (200) and the connecting piece (400) can perform telescopic movement relative to the other adjacent to the first frame body; one of the first frame (100), the second frame (200) and the connecting member (400) is rotatable relative to the other adjacent thereto.

2. The headrest support as claimed in claim 1, wherein:

the second frame body (200) is hinged to the first frame body (100), a knob (300) is connected to the joint of the first frame body (100) and the second frame body (200) in a threaded mode, and the knob (300) can be close to and clamped with the first frame body (100) and the second frame body (200) in a spiral mode.

3. The headrest support as claimed in claim 1, wherein:

the connecting piece (400) is slidably mounted on the second frame body (200), a fixing structure is arranged between the connecting piece (400) and the second frame body (200), and the fixing structure can relatively fix the second frame body (200) and the connecting piece (400).

4. The headrest bracket as claimed in claim 3, wherein:

the fixing structure comprises a clamping rack (250) and a clamping portion (510), wherein one of the clamping rack (250) and the clamping portion (510) is arranged on the second frame body (200), the other clamping portion is arranged on the connecting piece (400), and the clamping portion (510) can move relative to the clamping rack (250) and is clamped to a part of the clamping rack (250).

5. The headrest support as claimed in claim 4, wherein:

the connecting piece (400) is movably provided with a pushing piece (500), the clamping part (510) is arranged at the edge of the pushing piece (500), and the latch bar (250) is arranged on the second frame body (200); a spring (530) is arranged between the pushing piece (500) and the connecting piece (400), and the spring (530) can elastically push the pushing piece (500) to move towards the latch strip (250).

6. The headrest support according to claim 5, wherein:

one of the connecting piece (400) and the pushing piece (500) is provided with a connecting pile (435), the other is provided with a connecting hole (520), the connecting pile (435) is movably installed in the connecting hole (520), and the pushing piece (500) can rotate relative to the connecting piece (400) through the connecting pile (435) and the connecting hole (520).

7. The headrest support as claimed in claim 1, wherein:

the connecting piece (400) is provided with a lifting structure (620), the connecting piece (400) is connected with the headrest (920) through the lifting structure (620), and the connecting piece (400) can move relative to the headrest (920) through the lifting structure (620).

8. The headrest support according to claim 7, wherein:

the lifting structure (620) comprises a mounting plate (621) fixed at a headrest (920), a sliding groove (622) is formed in the mounting plate (621), a mounting piece (625) is arranged in the sliding groove (622) in a sliding mode, the connecting piece (400) is connected with the mounting piece (625), and a clamping structure is arranged between the mounting piece (625) and the sliding groove (622).

9. The headrest support according to claim 8, wherein:

the clamping structure comprises a clamping part (626) arranged on the mounting piece (625), and a plurality of protruding parts (623) are arranged on the side part of the sliding groove (622); the clamping part (626) is provided with a clamping ring (627) with elasticity, and the clamping ring (627) can be clamped between two adjacent protruding parts (623).

10. An office chair comprising a headrest support as claimed in any one of claims 1 to 9.

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