CN207532182U - A kind of adjustable lumbar support and the sofa backrest device of headrest support - Google Patents
A kind of adjustable lumbar support and the sofa backrest device of headrest support Download PDFInfo
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- CN207532182U CN207532182U CN201720353264.4U CN201720353264U CN207532182U CN 207532182 U CN207532182 U CN 207532182U CN 201720353264 U CN201720353264 U CN 201720353264U CN 207532182 U CN207532182 U CN 207532182U
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- rocking arm
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- line driver
- sofa
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Abstract
The utility model discloses a kind of adjustable lumbar support and the sofa backrest device of headrest support, including back frame, the first rocking arm, the second rocking arm, the first transmission mechanism, the second transmission mechanism, first straight line driver and second straight line driver；Back frame upright being mounted on is used for the inner frame for serving as sofa backrest on sofa base；The free end connector occipital branches support of first rocking arm, the free end connection lumbar support of the second rocking arm；First straight line driver drives the first rocking arm to rotate by the first transmission mechanism；Second straight line driver drives the second rocking arm to rotate by the second drive mechanism.The utility model sofa backrest device is supported using the lumbar support and headrest of the separately adjustable sofa of rocker structure, the adjustment is adjusted independent of the angle of sofa backrest, with stronger degree of freedom, the crowd of all kinds of different heights and build is can adapt to, improves the comfort level of sofa.
Description
Technical field
The utility model is related to field of furniture more particularly to a kind of adjustable lumbar supports and the sofa backrest of headrest support
Device.
Background technology
The back part of general home-use Upholstered sofa is only the filling of simple spring or sponge, the waist of sofa
Portion supports and headrest support is integrated, and can only rotate integrally adjusting angle of backrest with the back frame of sofa, can not
Individually each self-regulation.This sofa is difficult to adapt to different height, stature, Body proportion and the people for being accustomed to sitting posture.When the body of people
When the support of height and build and sofa backrest is unmatched, prolonged lean on can generate the sense that waist is ached.If it lies in
Viewing or reading on this sofa can only adjust comfort level by moving-head, result even in cervical spondylosis in the course of time.
Utility model content
A kind of sofa the technical problem to be solved by the present invention is to provide adjustable lumbar support and headrest support leans on
Device is carried on the back, improves the comfort level of sofa.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of adjustable lumbar support and head
The sofa backrest device of occipital branches support, including：
Back frame, back frame upright being mounted on are used for the inner frame for serving as sofa backrest on sofa base；
First rocking arm, the first rocking arm are hinged with back frame, the free end connector occipital branches support of the first rocking arm；
Second rocking arm, the second rocking arm are hinged with back frame, the free end connection lumbar support of the second rocking arm；
First transmission mechanism, the first transmission mechanism connect the first rocking arm；
Second transmission mechanism, the second transmission mechanism connect the second rocking arm；
First straight line driver, first straight line driver drive the first rocking arm to rotate by the first transmission mechanism；
Second straight line driver, second straight line driver drive the second rocking arm to rotate by the second drive mechanism.
The utility model sofa backrest device can separately adjustable lumbar support and headrest support, the adjustment is independent of sofa
The angle adjustment of backrest, has stronger degree of freedom.
Further, the free end of first rocking arm is hinged with first end revolving part, consolidates on first end revolving part
Determine the support of connector occipital branches；The free end of second rocking arm is hinged with second end revolving part, is fixed on second end revolving part
Connect lumbar support；First end revolving part and second end revolving part cause headrest support and lumbar support to be provided with one respectively
Determine the free regulating power of angle.
Specifically, first transmission mechanism includes the first cross bar and first connecting rod, the both ends of the first cross bar connect respectively
First rocking arm, two the first rocking arms are hinged on back frame；One end of first connecting rod is hinged on the first cross bar, and first connects
The other end of bar is hinged on first straight line driver；Second transmission mechanism include the second cross bar and second connecting rod, second
The both ends of cross bar connect the second rocking arm respectively, and two the second rocking arms are hinged on back frame；One end of second connecting rod is hinged
On the second cross bar, the other end of second connecting rod is hinged on second straight line driver.
Further, multiple mounting holes, the first rocking arm and seat back frame are both provided on first rocking arm and the second rocking arm
It is connected between frame, the first cross bar and first end revolving part by the mounting hole of the first rocking arm, the second rocking arm and back frame, the
It is connected between two cross bars and second end revolving part by the mounting hole of the second rocking arm；It, can be with by using different mounting holes
Change the rotation brachium of the first rocking arm and the second rocking arm, the installation site of the first cross bar and the second cross bar can also be changed, it is convenient
Suitable for the sofa of different size.
Specifically, the first straight line driver is the first linear motor, second straight line driver is the second linear motor,
The operating of first linear motor and the second linear motor is controlled by controller, and controller can be designed to mount on the control on sofa
Panel processed can also be designed to individual remote controler.
Advantageous effect：(1) the utility model sofa backrest device utilizes the lumbar support of the separately adjustable sofa of rocker structure
It is supported with headrest, which adjusts independent of the angle of sofa backrest, has stronger degree of freedom, can adapt to all kinds of differences
The crowd of height and build improves the comfort level of sofa.(2) the utility model sofa backrest device is in the freedom of the first rocking arm
End is hinged with first end revolving part, and second end revolving part, two end revolving parts are hinged in the free end of the second rocking arm
So that headrest support and lumbar support are not only able to, by the adjustment of rocker arm body, also have the function of the self-adjusting of low-angle, so as to
Adapt to the sitting posture of different people.(3) the utility model sofa backrest device controls the first linear motor and the second line using controller
Property motor, it is easy to operate.
Description of the drawings
Fig. 1 is 1 sofa backrest apparatus structure schematic diagram of embodiment (headrest support and lumbar support are opened).
Fig. 2 is 1 sofa backrest apparatus structure schematic diagram of embodiment (headrest support and lumbar support are closed)
Wherein：1st, back frame；2nd, the first rocking arm；3rd, the first cross bar；4th, first connecting rod；5th, the first linear motor；501、
First telescopic rod；6th, first end revolving part；7th, the second rocking arm；8th, the second cross bar；9th, second connecting rod；10th, the second linear motor；
1001st, the second telescopic rod；11st, second end revolving part.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As depicted in figs. 1 and 2, the sofa backrest device of lumbar support and headrest support is adjusted in the present embodiment, including：
Back frame 1, upright being mounted on of back frame 1 are used for the inner frame for serving as sofa backrest on sofa base；
First rocking arm 2 is provided with row's mounting hole on first rocking arm 2, and the first rocking arm 2 is by one of mounting hole with leaning on
Back frame frame 1 is hinged；The quantity of first rocking arm 2 is two, and two the first rocking arms 2 are symmetrically installed on the left and right of back frame 1；
First cross bar 3, the both ends of the first cross bar 3 connect two the first rocking arms 2 respectively；
First connecting rod 4, one end of first connecting rod 4 are hinged on the middle part of the first cross bar 3, and the other end of first connecting rod 4 is hinged
On the first telescopic rod 501 of the first linear motor 5, the reciprocating motion of the first telescopic rod 501 drives two the first rocking arms 2 to synchronize
It waves；
First end revolving part 6, first end revolving part 6 are hinged on the free end of first connecting rod 4, this hingedly causes first
End revolving part 6 has the ability being freely rotated of low-angle, and first end revolving part 6 supports for connector occipital branches；
Second rocking arm 7, is provided with row's mounting hole on the second rocking arm 7, the second rocking arm 7 by one of mounting hole with
Back frame 1 is hinged；The quantity of second rocking arm 7 is two, and two the second rocking arms 7 are symmetrically installed on the left and right of back frame 1；
Second cross bar 8, the both ends of the second cross bar 8 connect two the second rocking arms 7 respectively；
Second connecting rod 9, one end of second connecting rod 9 are hinged on the middle part of the second cross bar 8, and the other end of second connecting rod 9 is hinged
On the second telescopic rod 1001 of the second linear motor 10, the reciprocating motion of the second telescopic rod 1001 drives two the second rocking arms 7
Synchronous swing；
Second end revolving part 11, second end revolving part 11 are hinged on the free end of second connecting rod 9, this hingedly causes
Two end revolving parts 11 have the ability being freely rotated of low-angle, and second end revolving part 11 is used to connect lumbar support；
Controller, controller are used to control the rotation of the first linear motor 5 and the second linear motor 10.
There are four buttons for the controller tool of the present embodiment：It is moved on headrest, lower movement of resting the head on moves in Lumbar, under Lumbar
Movement.As shown in Figure 1, the upper movement buttons of headrest correspond to the contractive action of the first telescopic rod 501, lower movement buttons of resting the head on correspond to the
The elongation action of one telescopic rod 501；Movement buttons correspond to the contractive action of the second telescopic rod 1001 in Lumbar, move and press under Lumbar
Button corresponds to the elongation action of the second telescopic rod 1001.When user is sitting on the sofa for the sofa backrest device for being equipped with the present embodiment
When, it can use controller that headrest support and lumbar support is controlled to lift or fall after rise the posture up to reaching the most comfortable respectively, adjust
Section is convenient, improves the comfort of sofa.
Although the embodiment of the utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit the scope of protection of the utility model.Various omissions are carried out in the range of the utility model aims are not departed from, are put
It changes and change should be included in the scope of protection of the utility model.
Claims (4)
1. a kind of adjustable lumbar support and the sofa backrest device of headrest support, it is characterised in that including：
Back frame, back frame upright being mounted on are used for the inner frame for serving as sofa backrest on sofa base；
First rocking arm, the first rocking arm are hinged with back frame, the free end connector occipital branches support of the first rocking arm；
Second rocking arm, the second rocking arm are hinged with back frame, the free end connection lumbar support of the second rocking arm；
First transmission mechanism, the first transmission mechanism connect the first rocking arm；
Second transmission mechanism, the second transmission mechanism connect the second rocking arm；
First straight line driver, first straight line driver drive the first rocking arm to rotate by the first transmission mechanism；
Second straight line driver, second straight line driver drive the second rocking arm to rotate by the second drive mechanism；
The free end of first rocking arm is hinged with first end revolving part, fixed connector occipital branches on first end revolving part
Support；The free end of second rocking arm is hinged with second end revolving part, and lumbar support is fixedly connected on second end revolving part.
2. adjustable lumbar support according to claim 1 and the sofa backrest device of headrest support, it is characterised in that：
First transmission mechanism includes the first cross bar and first connecting rod, and the both ends of the first cross bar connect the first rocking arm respectively, and two
A first rocking arm is hinged on back frame；One end of first connecting rod is hinged on the first cross bar, the other end of first connecting rod
It is hinged on first straight line driver；
Second transmission mechanism includes the second cross bar and second connecting rod, and the both ends of the second cross bar connect the second rocking arm respectively, and two
A second rocking arm is hinged on back frame；One end of second connecting rod is hinged on the second cross bar, the other end of second connecting rod
It is hinged on second straight line driver.
3. adjustable lumbar support according to claim 2 and the sofa backrest device of headrest support, it is characterised in that：Institute
It states and multiple mounting holes is both provided on the first rocking arm and the second rocking arm, the first rocking arm and back frame, the first cross bar and the first end
It is connected between the revolving part of end by the mounting hole of the first rocking arm, the second rocking arm is revolved with back frame, the second cross bar and second end
Turn to connect by the mounting hole of the second rocking arm between part.
4. adjustable lumbar support according to any one of claims 1 to 3 and the sofa backrest device of headrest support, feature
It is：The first straight line driver be the first linear motor, second straight line driver be the second linear motor, the first linear horse
It is controlled up to the operating with the second linear motor by controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353264.4U CN207532182U (en) | 2017-04-06 | 2017-04-06 | A kind of adjustable lumbar support and the sofa backrest device of headrest support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353264.4U CN207532182U (en) | 2017-04-06 | 2017-04-06 | A kind of adjustable lumbar support and the sofa backrest device of headrest support |
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| Publication Number | Publication Date |
|---|---|
| CN207532182U true CN207532182U (en) | 2018-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720353264.4U Active CN207532182U (en) | 2017-04-06 | 2017-04-06 | A kind of adjustable lumbar support and the sofa backrest device of headrest support |
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| CN (1) | CN207532182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937306A (en) * | 2018-09-19 | 2018-12-07 | 常州市凯迪电器股份有限公司 | Sofa backrest part regulating mechanism and sofa with the mechanism |
-
2017
- 2017-04-06 CN CN201720353264.4U patent/CN207532182U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937306A (en) * | 2018-09-19 | 2018-12-07 | 常州市凯迪电器股份有限公司 | Sofa backrest part regulating mechanism and sofa with the mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201218 Address after: 225300 Yang Zhuang community standard workshop of gang Yang science and Technology Industrial Park, Hailing District, Taizhou, Jiangsu Patentee after: JIANGSU AOTAI FURNITURE Co.,Ltd. Address before: 225300 Building 2, No. 009, Jiegou village, Jiulong Town, Hailing District, Taizhou City, Jiangsu Province Patentee before: TAIZHOU AODE FURNITURE ACCESSORIES Co.,Ltd. Patentee before: TAIZHOU POLYTECHNIC College |
|
| TR01 | Transfer of patent right |