CN211459493U - Automatic adjusting support for headrest and seat - Google Patents
Automatic adjusting support for headrest and seat Download PDFInfo
- Publication number
- CN211459493U CN211459493U CN201922455233.1U CN201922455233U CN211459493U CN 211459493 U CN211459493 U CN 211459493U CN 201922455233 U CN201922455233 U CN 201922455233U CN 211459493 U CN211459493 U CN 211459493U
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- China
- Prior art keywords
- link
- connecting rod
- headrest
- rod
- link mechanism
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses an automatically regulated support for headrest, it includes the bed frame, drive assembly, first connecting rod, the second connecting rod, the third connecting rod and be used for the connecting piece be connected with the headrest, the one end and the bed frame pin joint of first connecting rod, the other end of first connecting rod and the one end pin joint of second connecting rod, the other end and the connecting piece pin joint of second connecting rod, the one end and the connecting piece pin joint of third connecting rod, third connecting rod and first connecting rod pin joint, first connecting rod, the second connecting rod, third connecting rod and connecting piece form first link mechanism jointly, drive assembly installs in the bed frame, first link mechanism closes or expandes to rotate with the interlock connecting piece under drive assembly's drive. The utility model discloses an automatically regulated support for headrest has simple structure and advantage with low costs. The utility model also discloses a seat.
Description
Technical Field
The utility model relates to a furniture accessory technical field especially relates to an automatically regulated support for headrest.
Background
In general, in order to provide a more comfortable feeling for consumers, sofas often include a seat, a backrest, and a headrest, the headrest being pivotable relative to the backrest so as to enable angular adjustment between the headrest and the backrest by rotation. In another more advanced design, the backrest frame of the sofa is provided with the adjusting device with power, the movable part of the adjusting device is connected and fixed to the headrest frame, and the automatic adjustment of the angle of the headrest can be realized by the actuation of the adjusting device.
Therefore, there is a need for an automatic adjusting bracket for a headrest that solves the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure and with low costs automatically regulated support for headrest.
Another object of the present invention is to provide a seat with simple structure and low cost.
In order to achieve the above object, the utility model provides an automatically regulated support for headrest, it includes bed frame, drive assembly, first connecting rod, second connecting rod, third connecting rod and is used for the connecting piece be connected with the headrest, the one end of first connecting rod with the bed frame pin joint, the other end of first connecting rod with the one end pin joint of second connecting rod, the other end of second connecting rod with the connecting piece pin joint, the one end of third connecting rod with the connecting piece pin joint, the third connecting rod with first connecting rod pin joint, first connecting rod, second connecting rod, third connecting rod with the connecting piece forms first link mechanism jointly, drive assembly install in the bed frame, first link mechanism is in receive under drive assembly's the drive and close or expand with the interlock the connecting piece rotates.
Preferably, the automatic adjusting bracket for a headrest further comprises a fourth connecting rod, one end of the fourth connecting rod is pivoted with the base frame, the other end of the fourth connecting rod is pivoted with one end of the third connecting rod, the middle part of the third connecting rod is pivoted with the middle part of the first connecting rod, a second connecting rod mechanism is formed among the first connecting rod, the third connecting rod, the fourth connecting rod and the base frame, the output end of the driving assembly is connected with the third connecting rod, and the second connecting rod mechanism is driven by the driving assembly to be folded or unfolded so as to drive the first connecting rod mechanism to be folded or unfolded.
Specifically, the driving assembly includes a driving device and a moving rod, the bottom of the driving device is pivoted to the base frame, the driving device has an output end capable of sliding linearly, the moving rod is mounted on the driving device, the third connecting rod is connected with the moving rod, and the moving rod moves under the driving of the driving device so as to link the second connecting rod mechanism to fold or unfold.
Specifically, the output end of the driving device is provided with a sliding block, and the moving rod is connected with the sliding block.
Specifically, the base frame comprises a frame body and a fixing rod, wherein the fixing rod is formed by the outward extension of the frame body, one end of the fixing rod is pivoted with the fourth connecting rod, the other end of the fixing rod is pivoted with the first connecting rod, and the first connecting rod, the third connecting rod, the fourth connecting rod and the fixing rod form the second connecting rod mechanism together.
Specifically, the second link mechanism is a planar four-link mechanism.
Preferably, the first link mechanism is a planar four-link mechanism.
Preferably, the connecting piece is provided with a connecting seat used for connecting with a headrest.
Specifically, the connecting seat is provided with at least two connecting holes for threaded connection.
In order to achieve the above object, the utility model provides a seat, it includes headrest, backrest, seat and foretell automatic adjustment support for headrest, backrest install in seat, the headrest with the pivot joint of backrest, the bed frame install in seat, the headrest with the connecting piece is connected.
Compared with the prior art, the automatic adjusting bracket for the headrest of the utility model combines the base frame and the driving component, the first connecting rod, the second connecting rod, the third connecting rod and the connecting piece for connecting with the headrest together, one end of the first connecting rod is pivoted with the base frame, the other end of the first connecting rod is pivoted with one end of the second connecting rod, the other end of the second connecting rod is pivoted with the connecting piece, one end of the third connecting rod is pivoted with the connecting piece, the third connecting rod is pivoted with the first connecting rod, the second connecting rod, the third connecting rod and the connecting piece jointly form the first connecting rod mechanism, the driving component is arranged on the base frame, the first connecting rod mechanism is folded or unfolded under the driving of the driving component to drive the connecting piece to rotate, in other words, the rotation of the connecting piece is realized by utilizing the folding or unfolding of the first connecting rod mechanism, thereby the headrest on the connecting piece is rotated, moreover, the adjusting mode not only is stable in adjustment, but also has the advantages of simple structure and low cost.
Drawings
Fig. 1 is a schematic perspective view of the seat and the headrest of the present invention in a folded state.
Fig. 2 is a schematic perspective view of the automatic adjusting bracket for a seat and headrest of the present invention in an unfolded state.
Fig. 3 is a schematic view of the three-dimensional structure of the automatic adjusting bracket of the present invention in the folded state.
Fig. 4 is a schematic perspective view of the automatic adjusting bracket of the present invention in a rotating state.
Fig. 5 is a schematic perspective view of the automatic adjusting bracket of the present invention in an unfolded state.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides a chair 100, which comprises a headrest 20, a backrest 30, a seat 40, and an automatic adjusting support 10 for the headrest, wherein the backrest 30 is installed on the seat 40, and the headrest 20 is pivotally connected to the backrest 30, wherein the automatic adjusting support 10 for the headrest comprises a base frame 1, a driving assembly 2, a first link 3, a second link 4, a third link 5, and a connecting member 6 for connecting to the headrest 20, the base frame 1 is installed on the seat 40, the headrest 20 is connected to the connecting member 6, one end of the first link 3 is pivotally connected to the base frame 1, the other end of the first link 3 is pivotally connected to one end of the second link 4, the other end of the second link 4 is pivotally connected to the connecting member 6, one end of the third link 5 is pivotally connected to the connecting member 6, the pivotally connected point of the second link 4 and the connecting member 6 is spaced from the pivotally connected point of the third link 5 and the connecting member 6, the third link 5 is pivotally connected to the first link 3, the first link 3, the second link 4, the third link 5 and the connecting member 6 together form a first link mechanism, the driving member 2 is installed on the base frame 1, the first link mechanism is folded or unfolded under the driving of the driving member 2 to rotate in linkage with the connecting member 6, in other words, the rotation of the connecting member 6 is realized by the folding or unfolding of the first link mechanism, so that the headrest 20 on the connecting member 6 rotates to achieve the purpose of automatically adjusting the angle of the headrest 20. Preferably, the first linkage is a planar four-bar linkage, but is not limited thereto. More specifically, the following:
referring to fig. 1 to 5, the automatic adjusting bracket 10 for a headrest further includes a fourth link 7, one end of the fourth link 7 is pivotally connected to the base frame 1, the other end of the fourth link 7 is pivotally connected to one end of the third link 5, the middle portion of the third link 5 is pivotally connected to the middle portion of the first link 3, a second link mechanism is formed between the first link 3, the third link 5, the fourth link 7 and the base frame 1, the output end of the driving assembly 2 is connected to the third link 5, and the second link mechanism is driven by the driving assembly 2 to fold or unfold so as to link the first link mechanism to fold or unfold, so that the headrest 20 on the connecting member 6 rotates. Preferably, the second linkage is a planar four-bar linkage, but is not limited thereto.
Referring to fig. 1 to 5, the base frame 1 includes a frame body 11 and a fixing rod 12, the fixing rod 12 is formed by extending the frame body 11 outwards, one end of the fixing rod 12 is pivoted with the fourth link 7, the other end of the fixing rod 12 is pivoted with the first link 3, and a second link mechanism is formed among the first link 3, the third link 5, the fourth link 7 and the fixing rod 12. Specifically, the frame body 11 includes a bottom rod 111 and a side rod 112, the bottom rod 111 is arranged along the left and right directions of the seat 100, the side rod 112 is fixed at one end of the bottom rod 111, the fixing rod 12 is fixed on the side rod 112, in order to make the rotation of the headrest more stable, so in this embodiment, the first connecting rod 3, the second connecting rod 4, the third connecting rod 5, the connecting piece 6 and the fourth connecting rod 7 are provided with two sets and are symmetrically arranged along the left and right directions of the seat 100, correspondingly, both sides of the bottom rod 111 all have a side rod 112, each side rod 112 all fixes a fixing rod 12, thereby driving the headrest 20 to do more stable and smooth rotation.
Referring to fig. 1 to 5, the driving assembly 2 includes a driving device 21 and a moving rod 22, a bottom of the driving device 21 is pivotally connected to the bottom rod 111 of the base frame 1, so that during the movement of the first link mechanism and the second link mechanism, the driving device 21 can pivot relative to the base frame 1 according to actual conditions, thereby avoiding interference with the movement of the first link mechanism and the second link mechanism due to the fixing of the driving device 21, the driving device 21 has an output end capable of sliding linearly, the moving rod 22 is arranged along the left and right direction of the seat 100, a middle portion of the moving rod 22 is mounted on the driving device 21, the third link 5 is connected to the moving rod 22, and the moving rod 22 moves under the driving of the driving device 21 to interlock the second link mechanism to fold or unfold. The output end of the driving device 21 has a slider 211, and the middle portion of the movable rod 22 is connected to the slider 211, preferably, the driving device 21 is a driving motor, but not limited thereto.
Referring to fig. 1 to 5, the connecting member 6 has a connecting seat 61 for connecting with the headrest 20, so as to realize stable connection between the headrest 20 and the connecting member 6, the connecting seat 61 is provided with at least two connecting holes 611 for threaded connection, in the present embodiment, each connecting seat 61 is provided with two connecting holes 611, but not limited thereto, and a manufacturer can adjust the number of the connecting holes 611 as required, so that the invention is not limited thereto.
The operation of the chair 100 of the present invention will be described in detail with reference to fig. 1 to 5, as follows:
the bottom of the base frame 1 is installed on the seat portion 40 of the seat 100, the connecting member 6 is connected with the headrest 20 through a threaded connection manner, in an initial state, the first link mechanism and the second link mechanism are both in a folded state, the state of the headrest 20 is as shown in fig. 3, the slide block 211 at the output end of the driving device 21 slides upwards, so that the second link mechanisms at two sides are driven to move from the folded state to the unfolded state and the first link mechanism is driven to move from the folded state to the unfolded state, meanwhile, the headrest 20 is driven by the connecting member 6 to rotate 120 degrees along the direction indicated by the arrow a in fig. 3, and the state of the rotated headrest 20 is as shown in fig. 5;
when the angle of the headrest 20 needs to be adjusted again, the sliding block 211 at the output end of the driving device 21 slides downwards, so as to drive the second link mechanisms at the two sides to move from the unfolded state to the folded state and drive the first link mechanisms to move from the unfolded state to the folded state, and meanwhile, the headrest 20 rotates by 120 degrees under the driving of the connecting piece 6, and the state of the rotated headrest 20 is as shown in fig. 3.
The base frame 1, the driving component 2, the first connecting rod 3, the second connecting rod 4, the third connecting rod 5 and the connecting piece 6 for connecting with the headrest 20 are combined together, one end of the first connecting rod 3 is pivoted with the base frame 1, the other end of the first connecting rod 3 is pivoted with one end of the second connecting rod 4, the other end of the second connecting rod 4 is pivoted with the connecting piece 6, one end of the third connecting rod 5 is pivoted with the connecting piece 6, the third connecting rod 5 is pivoted with the first connecting rod 3, the second connecting rod 4, the third connecting rod 5 and the connecting piece 6 jointly form a first connecting rod mechanism, the driving component 2 is arranged on the base frame 1, the first connecting rod mechanism is folded or unfolded under the driving of the driving component 2 to be linked with the rotation of the connecting piece 6, in other words, the rotation of the connecting piece 6 is realized by utilizing the folding or unfolding of the first connecting rod mechanism, so that the headrest 20 on the connecting piece 6 rotates, moreover, the adjusting mode not only is stable in adjustment, but also has the advantages of simple structure and low cost.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. The utility model provides an automatically regulated support for headrest, its characterized in that includes bed frame, drive assembly, first connecting rod, second connecting rod, third connecting rod and is used for the connecting piece be connected with the headrest, the one end of first connecting rod with the bed frame pin joint, the other end of first connecting rod with the one end pin joint of second connecting rod, the other end of second connecting rod with the connecting piece pin joint, the one end of third connecting rod with the connecting piece pin joint, the third connecting rod with first connecting rod pin joint, first connecting rod, second connecting rod, third connecting rod and the connecting piece forms first link mechanism jointly, drive assembly install in the bed frame, first link mechanism is in receive under drive assembly's the drive or expand with the interlock connecting piece rotates.
2. The automatic adjusting headrest bracket according to claim 1, further comprising a fourth link, wherein one end of the fourth link is pivotally connected to the base frame, the other end of the fourth link is pivotally connected to one end of the third link, a middle portion of the third link is pivotally connected to a middle portion of the first link, a second link mechanism is formed among the first link, the third link, the fourth link and the base frame, an output end of the driving assembly is connected to the third link, and the second link mechanism is driven by the driving assembly to fold or unfold so as to link the first link mechanism to fold or unfold.
3. The automatic adjusting bracket for a headrest according to claim 2, wherein the driving assembly includes a driving device and a moving rod, a bottom of the driving device is pivotally connected to the base frame, the driving device has an output end capable of sliding linearly, the moving rod is mounted to the driving device, and the third link is connected to the moving rod, and the moving rod is driven by the driving device to move so as to link the second link mechanism to fold or unfold.
4. The automatic adjusting bracket for a headrest according to claim 3, wherein the output end of the driving means has a slider, and the moving rod is connected to the slider.
5. The automatic adjusting bracket for a headrest according to claim 2, wherein the base frame includes a frame body and a fixing rod, the fixing rod is formed by extending the frame body, one end of the fixing rod is pivotally connected to the fourth link, the other end of the fixing rod is pivotally connected to the first link, and the first link, the third link, the fourth link and the fixing rod together form the second link mechanism.
6. The automatic adjusting bracket for a headrest according to claim 2, wherein the second link mechanism is a planar four-link mechanism.
7. The automatic adjusting headrest bracket according to claim 1, wherein the first link mechanism is a planar four-link mechanism.
8. The automatic adjusting bracket for a headrest according to claim 1, wherein the connecting member has a connecting seat for connecting with a headrest.
9. The automatic adjusting bracket for a headrest according to claim 8, wherein the connecting seat is provided with at least two connecting holes for screw connection.
10. A seat, comprising a headrest, a backrest, a seat portion and the automatic adjusting bracket for headrest of any one of claims 1 to 9, wherein the backrest is mounted on the seat portion, the headrest is pivotally connected with the backrest, the base frame is mounted on the seat portion, and the headrest is connected with the connecting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455233.1U CN211459493U (en) | 2019-12-30 | 2019-12-30 | Automatic adjusting support for headrest and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455233.1U CN211459493U (en) | 2019-12-30 | 2019-12-30 | Automatic adjusting support for headrest and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211459493U true CN211459493U (en) | 2020-09-11 |
Family
ID=72370014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455233.1U Active CN211459493U (en) | 2019-12-30 | 2019-12-30 | Automatic adjusting support for headrest and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211459493U (en) |
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2019
- 2019-12-30 CN CN201922455233.1U patent/CN211459493U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |