CN110074584A - Chair back curvature adjusts device - Google Patents
Chair back curvature adjusts device Download PDFInfo
- Publication number
- CN110074584A CN110074584A CN201810073015.9A CN201810073015A CN110074584A CN 110074584 A CN110074584 A CN 110074584A CN 201810073015 A CN201810073015 A CN 201810073015A CN 110074584 A CN110074584 A CN 110074584A
- Authority
- CN
- China
- Prior art keywords
- chair back
- bracket
- movable part
- extension
- holding mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a kind of chair back curvatures to adjust device, including a flexible chair back, one first holding mechanism, one second holding mechanism, one supports the bracket and an at least locking mechanism of the chair back, first holding mechanism is connected between the first position of the chair back and bracket, which is connected between the second position of the chair back and bracket, is maintained at the chair back on bracket；Second holding mechanism has a second connecting portion and one second movable part, second movable part is freely slidable in bracket, second movable part is fixed on bracket by locking mechanism, the second connecting portion is connected to the fixed part of the second movable part by one, one is connected to the extension of the chair back and positioning mechanism that one is connected between the extension and fixed part is constituted, which can be relative to the axially varying position of fixed part；In this way, the wheelbase of the second connecting portion is just extended by the movement of the extension, generates the curvature of back surface and change and the compensation as curvature adjustment.
Description
Technical field
The present invention relates to a kind of chairs, especially with regard to a kind of curvature and position that can adjust the chair back with the use of demand
It sets, makes the chair back with more the chair back curvature adjustment device of patch back property.
Background technique
To increase the comfort taken, the patch back of the chair back requires absolutely to be indispensable one of factor, prolonged
Under sitting posture, it if human body back does not obtain support appropriate, can not only feel to have a pain in the back, be more likely to cause deformity of spinal column etc. forever
Long injury.
In previous technology, there is the curvature that the chair back is swelled in a manner of inflation and changes its surface, make the back of occupant
Portion is supported, although can achieve certain effect, is involved great expense；And these inflatable components must be embedded in the chair back
In, if breaking down or generate malfunction will be difficult to overhaul and safeguard.Furthermore these inflatable components are consolidated by inbuilt position
It is fixed, support of the privileged site to human body patch back can only be also provided upon inflation, and cause the deflection of the chair back limited, be difficult completely
Meet the use demand of occupant.
In addition, application No. is disclosed in No. 201610803111.5 patents filed in inventor on September 6th, 2016
Adjustable chair back device, with easily assemble and structure to reach chair back curvature adjustable using effect, but the chair back curvature only has
It is longitudinally adjusted, after changing chair back curvature by the displacement of the second holding mechanism, if the lower section bending angle of the chair back is larger, probably
Fearness can not be affixed on completely the back of human body and show slightly supportive deficiency.
Summary of the invention
The present invention is that a kind of chair back curvature adjusts device, compared to prior art, has assembling convenience, operation, maintenance letter
It easily and the ductility advantages such as more preferably of chair back curvature adjustment, mainly include a flexible chair back, one first keeps machine
Structure, one second holding mechanism, one supports the bracket of the chair back, and an at least locking mechanism.First holding mechanism is connected to the chair back
First position and bracket between, second holding mechanism be connected to the second position ipsilateral with chair back first position and bracket it
Between, it is maintained at the chair back on bracket；Wherein, which has a second connecting portion and one second movable part, this
Two interconnecting pieces are connected with the second position of the chair back, which can be free to slide in bracket, should by locking mechanism
Second movable part is fixed on bracket.When first holding mechanism remains stationary, can connect by the sliding of the second movable part
The dynamic chair back, which is deformed, changes its curvature, makes it have patch back property to the position that human body back supports so as to adjustment.
In particular, the second connecting portion is the fixed part for being connected to the second movable part by one, one is connected to the extension of the chair back
Portion and the positioning mechanism that is connected between the extension and fixed part are constituted, which can be relative to fixed part
Axially varying position, and fixed position with the positioning mechanism；In this way, by the transverse shifting of the extension, second connection
The wheelbase in portion is just extended, and the curvature of back surface is made also to generate some compensation for changing and adjusting as curvature.
Detailed description of the invention
Fig. 1 is equipped with the outside drawing of chair of the invention.
Fig. 2 is exploded view of the invention.
Fig. 3 is constitutional diagram of the invention.
Fig. 4 is operation diagram of the invention, shows the active state of the first holding mechanism.
Fig. 5 is another operation diagram of the invention, shows the active state of the second holding mechanism.
Fig. 6 is the structure chart of second connecting portion of the invention.
Fig. 7 is the exploded view of second connecting portion of the invention.
Fig. 8 is the operation diagram of second connecting portion of the invention.
Symbol description in attached drawing:
1 chair back；10 first positions；11 second positions；110 fixing seats；2 first holding mechanisms；20 first connecting portions；21
First movable part；210 guide rods；211 fixation holes；3 second holding mechanisms；30 second connecting portions；300 fixed parts；301 prolong
Extending portion；302 positioning mechanisms；3020 axis holes；3021 locating rods；3022 perforations；3023 stopper sections；3024 screw threads；3025
Operation portion；31 second movable parts；310 sets of holes；32 fixed links；4 brackets；40 hollow portions；41 location holes；5 locking machines
Structure.
Specific embodiment
As shown in FIG. 1 to 3, the present invention includes a flexible chair back 1, and one first holding mechanism 2, one second keeps
Mechanism 3, one supports the bracket 4 of the chair back 1, and an at least locking mechanism 5, wherein first holding mechanism 2 is connected to the chair back 1
Between first position 10 and bracket 4, which is connected between the second position 11 of the chair back 1 and bracket 4, makes chair
Back 1 is maintained on the bracket 4, and when first holding mechanism 2 is fixed, it is sliding on bracket 4 to force in second holding mechanism 3
Dynamic, the second position 11 that can interlock the chair back 1 changes its height and position relative to bracket 4；Alternatively, by second holding mechanism 3
It is fixed, it forces in first holding mechanism 2 and is slided on bracket 4, the first position 10 that can interlock the chair back 1 changes it relative to branch
The height and position of frame 4；Or while force in first and second holding mechanism 2,3 and slided on bracket 4, chair can be interlocked
First and second position 10,11 of back 1 changes its height and position relative to bracket 4；So that 1 surface of the chair back generates curvature
Variation makes it with more patch back property to the corresponding desired Support Position of human body back.
First holding mechanism 2 has a first connecting portion 20 and one first movable part 21, which has
One second connecting portion 30 and one second movable part 31, preferably, which is connected to the top when chair back 1 is uprightly furnished
It holds (first position 10), which is then connected to the bottom end of the ipsilateral chair back 1, first and second movable part 21,31
It is then respectively sleeved at the different height and position of bracket 4, borrows a locking mechanism 5 to be fixed and be connected on bracket 4 respectively, is solving
After opening locking mechanism 5, which can adjust with respect to the height and position of bracket 4.Therefore, if its
In any movable part (first or second movable part 21,31) change position or first and second movable part 21,31 and change simultaneously
Position, i.e., the compressible or stretching, extension chair back 1 make the variation of its surface generation curvature；In other words, first and second movable part 21,31
The distance between closer to the curvature of 1 surface elevation of the chair back is bigger, and more hale and more hearty supportive can be provided by also representing it；Conversely,
The distance between first and second movable part 21,31 is remoter, then the curvature of 1 surface elevation of the chair back also represents it and mention with regard to smaller
What is supplied is relatively soft supportive, is a kind of controllable adjustment, and is adjusted whereby, is better able to meet the different patch of user
Back demand and comfort.In particular, the position of 1 surface elevation of the chair back can also borrow identical mode of operation to be controlled；That is the chair
Carrying on the back 1 surface elevation may be adapted to the small of the back for being affixed to human body in lower position, conversely, if by the position tune of 1 surface elevation of the chair back
It is whole to higher position when, then can be affixed to the shoulder neck of human body as leaning on.
Preferably, bracket 4 of the invention have a hollow portion 40, which has a guide rod 210, surface
On the fixation holes 211 of several axial alignments is distributed with, which is arranged in hollow portion 40, and guide rod 210 is in hollow portion 40
Just the chair back 1 is interlocked when movable makes the varying height positions of first position 10.There is the locking mechanism 5 fixing bolt (not have in figure
Display), in locking, the fixing bolt is movable to interfere guide rod 210 in bracket 4 and any fixation hole 211, and then makes chair
The first position 10 of back 1 is fixed.
Preferably is deployed with the location hole 41 of several axial alignments on bracket 4, which has a sets of holes
310 support second movable part 31 to slide on bracket 4.Also a locking mechanism 5 is configured on second movable part 31 simultaneously, as before
It is described, the locking mechanism 5 have a fixing bolt, locking when the fixing bolt be protruded into after second movable part 31 it is any
To interfere the sliding of the second movable part 31 in location hole 41, and then it is fixed the second position 11 of the chair back 1.In addition, second
It is equipped with a fixed link 32 on interconnecting piece 30, is then equipped with a fixing seat 110 on corresponding 1 second position 11 of the chair back, this is fixed
Seat 110 is that the fixed link 32 is connect to group, forms the second position 11 of the second connecting portion 30 and the chair back 1 a kind of removable
Connection, in favor of replacement of the associated component after being damaged.
Fig. 4 is operation diagram of the invention, and the first position 10 of the chair back 1 can connect by the guide rod 210 of the first holding mechanism 2
It is dynamic, the position of its height, this when are freely adjusted in bracket 4, if being connected to the second holding machine of 1 second position 11 of the chair back
Structure 3 be it is fixed, then change by the first position 10 of the chair back 1, so that it may so that the chair back 1 deformation obtains the variation of different curvatures
Come the back for the human body that reclines, finally fixed after user has determined patch back demand by locking mechanism 5.Fig. 5 is the present invention
Another operation diagram, similarly, the height of the chair back 1 after determining position via the movable of guide rod 210, pass through locking mechanism 5 will
Its first position 10 is fixed up, and the second position 11 of the chair back 1 is interlocked by the second holding mechanism 3 of adjustment, the chair back 1 can be made to become
Shape and obtain different curvatures variation come the back for the human body that reclines, generally refer to the part of lower back, finally determined in user
It is fixed after patch back demand with locking mechanism 5.Certainly, if it is desired that the flexible chair back 1 obtains maximized extension or contraction,
The first holding mechanism 2 can also be adjusted simultaneously and the second holding mechanism 3 interlocks the first of the chair back 1 relative to the position of bracket 4
Position 10 and the second position 11 and make the chair back 1 surface generate curvature variation.
Continuous to please refer to shown in Fig. 6 and Fig. 7, second connecting portion 30 of the invention is to be connected to consolidating for the second movable part 31 by one
Determine portion 300, one is connected to the extension 301 of the chair back 1 and one is connected to positioning between the extension 301 and fixed part 300
Mechanism 302 is constituted, which can incite somebody to action relative to the axially varying position of fixed part 300, and by the positioning mechanism 302
Position is fixed.
The positioning mechanism 302 includes being respectively provided with the axis hole 3020 of a strip in the two opposite sides of fixed part 300,
And one be threaded through locating rod 3021 on the extension 301, which, which also extends through two axis holes 3020 simultaneously, makes this
Extension 301 is connected in series with fixed part 300, when the relatively fixed portion 300 of the extension 301 changes position, the locating rod
3021 slide in two axis holes 3020；In addition, several perforations 3022 are more deployed in the lower section of a wherein axis hole 3020, when fixed
When position bar 3021 is fallen into any perforation 3022, which is just stuck and can not move again.Preferably, the locating rod
3021 one end is equipped with a stopper section 3023, and there is the other end one section of screw thread 3024 to connect an operation portion 3025, borrows the operation
Locating rod 3021 can be detached from by portion 3025 from the perforation 3022, and the extension 301 is enable to be further continued for activity.
By the removable of the extension 301, the wheelbase of the second connecting portion 30 is just extended, and 1 surface of the chair back is made
Curvature also generates some changes.It please also refer to shown in Fig. 5 that front discloses, change in the displacement by second holding mechanism 3
After becoming 1 curvature of the chair back, the lower section of the chair back 1 probably can not be affixed on completely the back of human body and show slightly branch since bending angle is larger
Support property is insufficient；However, the length using the second connecting portion 30 extends, it can be so that the curved angle of the chair back 1 becomes smaller, as schemed
Shown in 8, and can more fit in human body back makes it obtain compensation appropriate.Certainly, in addition to the second connecting portion 30 with
Outside, which can also configure identical structure come the curvature for changing the chair back 1, seldom give superfluous words herein.
The above, a preferred embodiment only of the invention, when cannot be limited the scope of implementation of the present invention with this；
I.e. big equivalent changes and modifications made according to the patent scope of the present invention, should still belong to the range covered in the invention patent
It is interior.
Claims (7)
1. a kind of chair back curvature adjusts device characterized by comprising
The one flexible chair back；
One supports the bracket of the chair back；
One first holding mechanism, first holding mechanism are connected between the first position of the chair back and bracket；
One second holding mechanism, second holding mechanism are connected between the second position of the chair back and bracket, second holding
Mechanism has one second movable part and a second connecting portion, which can move on bracket, the second connecting portion
It is the fixed part for being connected to the second movable part by one, one is connected to the extension of the chair back and one is connected to the extension and solid
The positioning mechanism determined between portion is constituted, which can be relative to the axially varying position of fixed part, and by the localization machine
Structure fixes position；And
An at least locking mechanism, second movable part to be fixed on bracket.
2. chair back curvature as described in claim 1 adjusts device, which is characterized in that wherein, the positioning mechanism is included in solid
The two opposite sides for determining portion are respectively provided with the axis hole of a strip and one are threaded through locating rod on the extension, and the locating rod is same
When also extend through two axis holes and be connected in series the extension with fixed part, should when the relatively fixed portion of the extension changes position
Locating rod is slided in two axis holes.
3. chair back curvature as claimed in claim 2 adjusts device, which is characterized in that wherein, the lower section of any axis hole is also
Several perforations are deployed with, when locating rod is fallen into any perforation, which is just stuck and can not move again.
4. chair back curvature as claimed in claim 3 adjusts device, which is characterized in that wherein, one end of the locating rod is equipped with one
Stopper section, the other end of the locating rod are connected with an operation portion, can be detached from locating rod from the perforation by means of the operation portion, and
The extension is set to be further continued for activity.
5. chair back curvature according to any one of claims 1 to 4 adjusts device, which is characterized in that wherein, on the bracket
The location hole of several axial alignments is distributed with, which there are a sets of holes to support that second movable part is sliding on bracket
Dynamic, which has a fixing bolt, and in locking, the fixing bolt can extend into after second movable part takes office centainly
Interfere the sliding of second movable part in the hole of position.
6. chair back curvature according to any one of claims 1 to 4 adjusts device, which is characterized in that wherein, described first protects
Mechanism is held with a first connecting portion and one first movable part, which be connected with the first position of the chair back, this
One movable part can move on bracket, which is fixed on to the relative position of bracket by means of locking mechanism.
7. chair back curvature as claimed in claim 6 adjusts device, which is characterized in that wherein, the bracket has a hollow portion,
There is first movable part guide rod can extend into the hollow portion movement of bracket, borrow the locking mechanism location guide in the bracket
Relative position.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073015.9A CN110074584A (en) | 2018-01-25 | 2018-01-25 | Chair back curvature adjusts device |
| PH12018000048A PH12018000048A1 (en) | 2018-01-19 | 2018-02-14 | Chair back curvature adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073015.9A CN110074584A (en) | 2018-01-25 | 2018-01-25 | Chair back curvature adjusts device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110074584A true CN110074584A (en) | 2019-08-02 |
Family
ID=67412034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810073015.9A Pending CN110074584A (en) | 2018-01-19 | 2018-01-25 | Chair back curvature adjusts device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110074584A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200980469Y (en) * | 2006-12-08 | 2007-11-28 | 张志回 | Multi-function folding chair |
| CN103786611A (en) * | 2013-11-07 | 2014-05-14 | 安徽省智汇电气技术有限公司 | Adjustable portable back cushion |
| CN203828466U (en) * | 2014-05-12 | 2014-09-17 | 崔乃心 | Sitting posture corrector |
| CN105496052A (en) * | 2015-12-03 | 2016-04-20 | 安徽理工大学 | Ergonomic chair with arc-adjustable backrest |
| CN205457352U (en) * | 2016-01-15 | 2016-08-17 | 泰桦家具股份有限公司 | Adjustable seat |
| CN106724268A (en) * | 2016-12-31 | 2017-05-31 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
| CN206434082U (en) * | 2016-08-25 | 2017-08-25 | 安吉县盛信办公家具有限公司 | A kind of adaptive backrest seat |
| CN206462690U (en) * | 2016-08-11 | 2017-09-05 | 泰桦家具股份有限公司 | The curvature adjusting apparatus of the chair back |
| CN107334303A (en) * | 2016-04-28 | 2017-11-10 | 詹姆斯·E·格罗夫 | Adjustable back-supported component for the chair back of chair |
-
2018
- 2018-01-25 CN CN201810073015.9A patent/CN110074584A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200980469Y (en) * | 2006-12-08 | 2007-11-28 | 张志回 | Multi-function folding chair |
| CN103786611A (en) * | 2013-11-07 | 2014-05-14 | 安徽省智汇电气技术有限公司 | Adjustable portable back cushion |
| CN203828466U (en) * | 2014-05-12 | 2014-09-17 | 崔乃心 | Sitting posture corrector |
| CN105496052A (en) * | 2015-12-03 | 2016-04-20 | 安徽理工大学 | Ergonomic chair with arc-adjustable backrest |
| CN205457352U (en) * | 2016-01-15 | 2016-08-17 | 泰桦家具股份有限公司 | Adjustable seat |
| CN107334303A (en) * | 2016-04-28 | 2017-11-10 | 詹姆斯·E·格罗夫 | Adjustable back-supported component for the chair back of chair |
| CN206462690U (en) * | 2016-08-11 | 2017-09-05 | 泰桦家具股份有限公司 | The curvature adjusting apparatus of the chair back |
| CN206434082U (en) * | 2016-08-25 | 2017-08-25 | 安吉县盛信办公家具有限公司 | A kind of adaptive backrest seat |
| CN106724268A (en) * | 2016-12-31 | 2017-05-31 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
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