CN219699447U

CN219699447U - Single-head rest mechanism

Info

Publication number: CN219699447U
Application number: CN202321024396.4U
Authority: CN
Inventors: 张艳军
Original assignee: Shanghai Muyan Transmission Technology Co ltd
Current assignee: Shanghai Muyan Transmission Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-09-19
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to a single headrest mechanism which comprises a headrest plate, a driving motor and a mounting frame, wherein one end of the mounting frame is used for being rotatably mounted on an inner frame body of a chair back, the headrest plate is mounted on the other end of the mounting frame and used for supporting the head of a user, the driving motor is used for controlling the mounting frame to rotate, the mounting frame comprises a rotating rod and a plurality of connecting rods, the rotating rod is used for being rotatably mounted on the inner frame body of the chair back, the rotating rod is connected with the output end of the driving motor, one end of each connecting rod is connected with the rotating rod, and the other end of each connecting rod is detachably connected with the headrest plate. The utility model can improve the use effect of the headrest plate so as to enrich the use functions of the whole headrest.

Description

Single-head rest mechanism

Technical Field

The utility model relates to the field of chairs, in particular to a single-head rest mechanism.

Background

The use of chairs is now known everywhere, which comprise a seat and a back, both of which are fixed, and which, in use, can stand on the seat and then lean against the back, thus giving the user a better comfort.

At this time, in order to increase the usability of the chair, a headrest is disposed on the top of the chair back and is fixed to the frame in the chair back. When a user sits on the chair seat and leans against the chair back, the head can lean against the head leaning plate, so that the user is further relaxed, and the comfort level is improved. But when different users use the armchair, the head rest plate is difficult to adapt to different requirements to adjust the position, so that the adaptability of the head rest plate is low, and the use function of the armchair is relatively single.

Disclosure of Invention

In order to improve the use effect of the headrest plate and facilitate the enrichment of the whole use function of the headrest, the utility model provides a single headrest mechanism.

The utility model provides a single-head rest mechanism which adopts the following technical scheme:

the utility model provides a single headrest mechanism, includes the headrest board, still includes driving motor and mounting bracket, mounting bracket one end is used for rotating to install in the back of the chair internal frame body, the headrest board is installed in the mounting bracket other end and is used for supporting user's head, driving motor is used for controlling the mounting bracket rotation.

Through adopting above-mentioned technical scheme, during the use, can rotate through driving motor control mounting bracket, and then adjust the position or the angle of mounting bracket movable end upper head backup plate, and then be convenient for adapt to different users or different demands and use, improve the result of use of head backup plate to the function when enriching the whole use of armchair.

Optionally, the mounting bracket includes dwang and a plurality of connecting rod, the dwang is used for rotating to install in the back of the chair inner frame body, just the dwang is connected with driving motor's output, connecting rod one end is connected in the dwang, and the other end is connected with head backup plate looks detachable.

By adopting the technical scheme, the driving motor can control the rotation rod to rotate so as to drive the connecting rod to swing, thereby adjusting the position of the traction head backup plate; and in addition, during actual installation, the headrest plate can be detached relative to the connecting rod, so that the headrest plate can be replaced conveniently, and the headrest plates with different specifications can be installed conveniently.

Optionally, the connecting rod is towards the one end fixedly connected with adapter sleeve of dwang, the adapter sleeve pipe is established and is slided and connect in the dwang, a plurality of regulation holes along self axial distribution have been seted up to the dwang, the adapter sleeve is provided with locking screw, locking screw passes adapter sleeve and threaded connection in one of them regulation hole.

Through adopting above-mentioned technical scheme, during the actual installation, can slide adapter sleeve relative swivelling lever, fastening locking screw afterwards, and then realize the purpose of adjusting the connecting rod position to further be convenient for adapt to the head backup plate of different specifications and install, increase the installation effect of head backup plate, further richen the result of use simultaneously.

Optionally, the draw-in groove of following self axial extension is seted up to the dwang outer wall, adapter sleeve pipe joint in the draw-in groove.

Through adopting above-mentioned technical scheme, the draw-in groove that sets up can restrict adapter sleeve's rotation for adapter sleeve has better steadiness when sliding, reduces locking screw and the possibility that the dislocation takes place for the regulation hole in the circumference simultaneously, and then increases the convenience when locking screw installs.

Optionally, the headrest plate is provided with the butt plate towards one side of user's head, be provided with a plurality of buffer springs between butt plate and the headrest plate, buffer spring both ends are connected in butt plate and headrest plate respectively.

Through adopting above-mentioned technical scheme, when user's head leaned on in the head backup plate, the head can contact the backup plate, under buffer spring's effect this moment, can reduce the head and lean on the impact that the in-process received, further improves the comfort level when the head leaned on, increases the result of use.

Optionally, the butt plate fixedly connected with a plurality of stiffening rods, the stiffening rods wear to establish and slide and connect in the head backup plate.

Through adopting above-mentioned technical scheme, during the use, the reinforcing rod that sets up can be to the slip of butt board do direction and support, and then improves the stability when butt board uses for the result of use is better.

Optionally, the reinforcing rods are respectively coaxially arranged on the buffer springs in a penetrating way.

Through adopting above-mentioned technical scheme, the stiffening rod can support buffer spring, and then reduces buffer spring's the possibility that takes place bending deformation for buffer spring keeps the preferred service condition.

Optionally, the stiffening rod is provided with the spacing groove, the head backup plate joint is in the spacing inslot, the both ends of spacing groove are used for making the restriction to the slip scope of stiffening rod.

By adopting the technical scheme, the setting of the limit groove can limit the sliding distance of the reinforcing rod, so that the possibility that the abutting plate and the reinforcing rod fall off from the head backup plate is reduced, and normal use is ensured; and when buffer spring compresses, the spacing groove can with first backup plate butt towards the one end of butt plate this moment, and the stiffener still has the supporting effect to the butt plate this moment, and then can reduce the extrusion force that buffer spring received under this state, reduces buffer spring impaired possibility, increases buffer spring's life.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when the chair is used, the mounting frame can be controlled to rotate through the driving motor, so that the position or angle of the headrest plate can be adjusted, the chair is convenient to adapt to different users or different demands for use, the use effect of the headrest plate is improved, and the functions of the whole chair in use are enriched;

2. during actual installation, the connecting sleeve can slide relative to the rotating rod, and then the locking screw is fastened, so that the position of the connecting rod is adjusted, the head backup plates of different specifications are convenient to adapt to and install, the installation effect of the head backup plates is improved, and meanwhile, the use effect is further enriched.

Drawings

FIG. 1 is a schematic view of a mounting structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of an embodiment of the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Reference numerals illustrate: 1. a headrest plate; 2. a driving motor; 3. a mounting frame; 31. a rotating lever; 311. an adjustment aperture; 312. a clamping groove; 32. a connecting rod; 33. a connection sleeve; 331. a locking screw; 4. an abutting plate; 41. a reinforcing rod; 42. a limit groove; 5. and a buffer spring.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a single headrest mechanism. Referring to fig. 1, the single headrest mechanism includes a headrest plate 1, a driving motor 2 and a mounting frame 3, one end of the mounting frame 3 is rotatably mounted on an inner frame body of a chair back, and the headrest plate 1 is mounted on one end of the mounting frame 3 far away from the frame body. The driving motor 2 is arranged on the inner frame body of the chair back, the output end of the driving motor 2 and the rotating part of the mounting frame 3 are respectively provided with a transmission gear, and the two transmission gears are meshed, so that the driving motor 2 can control the mounting frame 3 to rotate.

During the use, can be through driving motor 2 control mounting bracket 3 rotation, and then adjust the position or the angle of mounting bracket 3 movable end upper head backup plate 1, and then be convenient for adapt to different users or different demands and use, improve head backup plate 1's result of use to the function when enriching the chair and wholly using.

Referring to fig. 1 and 2, the mounting frame 3 includes a rotation rod 31 and a plurality of connection rods 32, the rotation rod 31 is rotatably mounted on the inner frame body of the chair back, and a transmission gear on the mounting frame 3 is coaxially fixed to the rotation rod 31. One end of the connecting rod 32 is connected to the rotating rod 31, and the other end is detachably connected to the headrest plate 1.

When the traction head backup plate is used, the driving motor 2 can control the rotating rod 31 to rotate, and then drive the connecting rod 32 to swing, so that the traction head backup plate 1 is used for position adjustment. Moreover, during actual installation, the headrest 1 can be detached relative to the connecting rod 32, so that the headrest 1 can be replaced conveniently, and the headrest 1 with different specifications can be installed conveniently.

Referring to fig. 2, at this time, a connection sleeve 33 is fixedly connected to an end of the connection rod 32 facing the rotation rod 31, and the connection sleeve 33 is sleeved and slidingly connected to the rotation rod 31. The rotating rod 31 is provided with a plurality of adjusting holes 311 distributed along the axial direction of the rotating rod, the connecting sleeve 33 is provided with a locking screw 331, and the locking screw 331 penetrates through the connecting sleeve 33 and is in threaded connection with one of the adjusting holes 311. The outer wall of the rotating rod 31 is provided with a locking groove 312 extending in the axial direction thereof, and the connecting sleeve 33 is locked to the locking groove 312.

During actual installation, the connecting sleeve 33 can slide relative to the rotating rod 31, and then the locking screw 331 is fastened, so that the purpose of adjusting the position of the connecting rod 32 is achieved, the head rest 1 with different specifications is further convenient to install, the installation effect of the head rest 1 is improved, and the use effect is further enriched. With this simultaneously, the draw-in groove 312 that sets up can restrict the rotation of adapter sleeve 33 for adapter sleeve 33 has better steadiness when sliding, reduces simultaneously that locking screw 331 and regulation hole 311 take place the possibility of dislocation in the circumference, and then increases the convenience when locking screw 331 installs.

In other embodiments, a limit bar extending along the axial direction of the outer wall of the rotating rod 31 may be fixed, and the connecting sleeve 33 may be provided with a slot engaged with the limit bar.

Referring to fig. 2 and 3, in addition, an abutment plate 4 is disposed on a side of the headrest plate 1 facing the head of the user, a plurality of buffer springs 5 are disposed between the abutment plate 4 and the headrest plate 1, and two ends of the buffer springs 5 are fixedly connected to the abutment plate 4 and the headrest plate 1, respectively.

When the head of a user leans against the head rest plate 1, the head can contact the abutting plate 4, at the moment, under the action of the buffer spring 5, the impact of the head in the leaning process can be reduced, the comfort level of the head leaning is further improved, and the using effect is improved.

Referring to fig. 3, the abutting plate 4 is fixedly connected with a plurality of reinforcing rods 41, the reinforcing rods 41 penetrate through and slidingly connect to the headrest plate 1, and the plurality of reinforcing rods 41 penetrate through the plurality of buffer springs 5 in a one-to-one correspondence manner. At this time, the position of the reinforcing rod 41 penetrating the headrest plate 1 is provided with a limit groove 42, the limit groove 42 extends along the sliding direction of the reinforcing rod 41, and the headrest plate 1 is clamped in the limit groove 42.

During use, the reinforcing rod 41 can guide and support sliding of the abutting plate 4, so that stability of the abutting plate 4 during use is improved, and the use effect is better. Moreover, the reinforcing rod 41 can also support the buffer spring 5, so that the possibility of bending deformation of the buffer spring 5 is reduced, and the buffer spring 5 is kept in a better use state.

Meanwhile, the arrangement of the limiting groove 42 can also limit the sliding distance of the reinforcing rod 41, so that the possibility that the abutting plate 4 and the reinforcing rod 41 fall off from the head backup plate 1 is reduced, and normal use is ensured; and, when buffer spring 5 compresses, the limit groove 42 can with head rest 1 looks butt towards the one end of butt board 4 this moment, and reinforcing rod 41 still has the supporting effect to butt board 4 this moment, and then can reduce the extrusion force that buffer spring 5 received under this state, reduces buffer spring 5 impaired possibility, increases buffer spring 5's life.

The implementation principle of the single-head rest mechanism provided by the embodiment of the utility model is as follows: during the use, can be through driving motor 2 control mounting bracket 3 rotation, and then adjust the position or the angle of mounting bracket 3 movable end upper head backup plate 1, and then be convenient for adapt to different users or different demands and use, improve head backup plate 1's result of use to the function when enriching the chair and wholly using. When the head of a user leans against the head rest plate 1, the head can contact the abutting plate 4, at the moment, under the action of the buffer spring 5, the impact of the head in the leaning process can be reduced, the comfort level of the head leaning is further improved, and the using effect is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Single headrest mechanism, including headrest board (1), its characterized in that: still include driving motor (2) and mounting bracket (3), mounting bracket (3) one end is used for rotating to install in the back of the chair internal frame body, headrest board (1) are installed in mounting bracket (3) other end and are used for supporting user's head, driving motor (2) are used for controlling mounting bracket (3) rotation.

2. The single headrest mechanism according to claim 1, wherein: the mounting frame (3) comprises a rotating rod (31) and a plurality of connecting rods (32), wherein the rotating rod (31) is used for being rotatably arranged on the inner frame body of the chair back, the rotating rod (31) is connected with the output end of the driving motor (2), one end of each connecting rod (32) is connected with the rotating rod (31), and the other end of each connecting rod is detachably connected with the head rest plate (1).

3. The single headrest mechanism according to claim 2, wherein: connecting rod (32) are towards one end fixedly connected with adapter sleeve (33) of dwang (31), adapter sleeve (33) cover is established and is slided and connect in dwang (31), a plurality of regulation holes (311) that distribute along self axial are seted up to dwang (31), adapter sleeve (33) are provided with locking screw (331), locking screw (331) pass adapter sleeve (33) and threaded connection in one of them regulation hole (311).

4. A single headrest mechanism as claimed in claim 3 wherein: the outer wall of the rotating rod (31) is provided with a clamping groove (312) extending along the axial direction of the rotating rod, and the connecting sleeve (33) is clamped in the clamping groove (312).

5. The single headrest mechanism according to claim 1, wherein: one side of the head rest plate (1) facing the head of a user is provided with an abutting plate (4), a plurality of buffer springs (5) are arranged between the abutting plate (4) and the head rest plate (1), and two ends of each buffer spring (5) are respectively connected with the abutting plate (4) and the head rest plate (1).

6. The single headrest mechanism according to claim 5, wherein: the abutting plate (4) is fixedly connected with a plurality of reinforcing rods (41), and the reinforcing rods (41) penetrate through and are connected to the head backup plate (1) in a sliding mode.

7. The single headrest mechanism according to claim 6, wherein: the reinforcing rods (41) are respectively and coaxially arranged on the buffer springs (5) in a penetrating mode.

8. The single headrest mechanism according to claim 6, wherein: the reinforcing rod (41) is provided with a limiting groove (42), the headrest plate (1) is clamped in the limiting groove (42), and two ends of the limiting groove (42) are used for limiting the sliding range of the reinforcing rod (41).