CN107788736A - Adjustable chair back device - Google Patents
Adjustable chair back device Download PDFInfo
- Publication number
- CN107788736A CN107788736A CN201610803111.5A CN201610803111A CN107788736A CN 107788736 A CN107788736 A CN 107788736A CN 201610803111 A CN201610803111 A CN 201610803111A CN 107788736 A CN107788736 A CN 107788736A
- Authority
- CN
- China
- Prior art keywords
- chair back
- support
- movable part
- fixed
- maintaining body
- 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
Links
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
-
- 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
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention discloses a kind of adjustable chair back device, the support and locking mechanism of the chair back are supported including a flexible chair back, one first maintaining body, one second maintaining body, one, wherein, first maintaining body is connected between the first position of the chair back and support, second maintaining body is connected between the second place of the chair back and support, the chair back is maintained on support；Second maintaining body has one second fixed part and one second movable part, and second fixed part is connected with the second place of the chair back, and second movable part slidably in support, is fixed on support by second movable part by locking mechanism.Remained stationary as in the first maintaining body, and during the slip of the second movable part, you can interlocking the second place of the chair back makes the chair back be deformed and change its curvature, makes it to the position of human body back support with more patch back of the body property to adjust.
Description
Technical field
The present invention particularly a kind of curvature that can be used cooperatively the demand adjustment chair back, has more it on a kind of chair tool
There is the adjustable chair back device of patch back of the body property.
Background technology
The comfort taken for increase, the patch back of the body property of the chair back is definitely one of indispensable factor, if permanent sitting posture
Appropriate support is not obtained, can not only feel to have a pain in the back, more likely causes the permanent injury such as the deformity of spinal column.
In previous technical literature, have including TaiWan, China bulletin I No. 327901 " mat body adjusting systems ", I 373
Patents such as No. 317 " the pad body structure improvement of chair " is the problem of discussing this respect.Wherein, No. 327901 patents of I pass through
Complicated airbag loop, the chair back is swelled in a manner of inflation and changes its curvature, is supported the small of the back of occupant, although
Certain effect can be reached, but involved great expense, and these inflatable components must be embedded in the chair back, if break down or
Producing malfunction will be difficult to overhaul and safeguard.
It is then that multiple cushions are installed before the chair back as No. 373317 patents of I, the elasticity is made by the traction of drawstring
Pad is deformed to support the back of human body, although structure is relatively simple, these cushions are still to be covered by foam, if
Break down or malfunction, foam must be also removed during maintenance and be separated with the chair back, not only process complexity, more likely when disassembling
Cause damage；Furthermore these multiple cushions also simply partly support to human body back, and cause the deformation and extension of the chair back
Measure it is limited, it is difficult to meet the needs of occupant.
The content of the invention
The present invention is a kind of adjustable chair back device, compared to prior art, has assembling facility, and operation, maintenance are simple,
And the ductility advantage such as more preferably of chair back curvature adjustment, its mainly include a flexible chair back, one first maintaining body,
The support and locking mechanism of one second maintaining body, a support chair back, first maintaining body are connected to the first position of the chair back
Between support, second maintaining body is connected between the second place of chair back first position homonymy and support, makes the chair back
It is maintained on support；Wherein, second maintaining body has one second fixed part and one second movable part, second fixed part with
The second place of the chair back is connected, and second movable part slidably in support, is fixed second movable part by locking mechanism
On support.Remained stationary as in the first maintaining body, and during the slip of the second movable part, you can interlock the chair back and be deformed changing it
Curvature, patch back of the body property is made it have to the position of human body back support so as to adjusting.
In addition, first maintaining body has one first fixed part and one first movable part, first fixed part and chair
The first position of the back of the body is connected, and in support, it slidably is fixed in the relative position of support by locking mechanism for first movable part
Put；After locking is untied, the height and position of the first movable part and the second movable part opposite brackets is all adjustable, therefore, as long as its
In any movable part or two movable part change position, the curvature of the chair back can all produce change to meet that the patch of user carries on the back need
Ask.
In addition, second movable part has a sets of holes, the slide that a cross section is in C fonts is provided with sets of holes, the slide
There is an outstanding flange slide is articulated on the second movable part on top, and the outer surface of the slide can with one
The fixed plate torn open, its inner surface then have multiple and support rib in the same direction, and fixed plate is a kind of preferable wearability of hardness
Material, its position correspondence in locking mechanism, locking mechanism touch fixed plate and exert a force pressurization when, the C fonts can be forced
Slide produces elastic deformation and clamps support and produce braking（Brake cars）Effect, second movable part is being propped up with stepless
Its different height and position is adjusted on frame；The design of multiple ribs, it can be reduced after the locking of the second movable part is released to branch
The friction of frame, make slip of second movable part on support more smoothly.
In addition, there is a pair of stators and a fix bar, on the second place of its corresponding chair back then on second fixed part
Provided with a fixed seat, there are a pair of fixing grooves at corresponding a pair of stators in the fixed seat, a pair of stators insert one respectively
After fixing groove, through a pair of stators and it is fixed on fix bar in fixed seat, makes the second of the second fixed part and the chair back
Removable engagement is completed in position, in favor of assembling, and the replacement of component damage.
Brief description of the drawings
Fig. 1 is equipped with the outside drawing of the chair tool of the present invention.
Fig. 2 is the exploded view of the present invention.
Fig. 3 is the constitutional diagram of the present invention.
Fig. 4 and Fig. 5 is another embodiment of the present invention figure.
Fig. 6 is the operation diagram of the present invention, shows the active state of the first maintaining body.
Fig. 7 is another operation diagram of the present invention, shows the active state of the second maintaining body.
In figure：
1 chair back；
10 first positions；
11 second places；
110 fixed seats；
111 fixing grooves；
2 first maintaining bodies；
20 first fixed parts；
21 first movable parts；
210 guide rods；
211 fixing holes；
3 second maintaining bodies；
30 second fixed parts；
300 stators；
301 fix bars；
31 second movable parts；
310 sets of holes；
311 slides；
312 fixed plates；
313 ribs；
314 flanges；
315 tanks；
316 locating dowels；
4 supports；
40 hollow bulbs；
41 positioning holes；
5 locking mechanisms；
50 gim pegs.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in FIG. 1 to 3, the present invention includes a flexible chair back 1, one first maintaining body 2, one second is kept
Mechanism 3, one supports the support 4 and an at least locking mechanism 5 of the chair back 1, wherein, first maintaining body 2 is connected to the of the chair back 1
Between one position 10 and support 4, second maintaining body 3 is connected between the second place 11 of the chair back 1 and support 4, makes the chair back 1
It is maintained on support 4, if first maintaining body 2 is fixed, forces in second maintaining body 3 and slided on support 4, can be connected
The second place 11 of the dynamic chair back 1 changes its height and position relative to support 4；Or, fix second maintaining body 3, exert a force
Slided in first maintaining body 2 on support 4, can interlock the chair back 1 first position 10 change its mutually move in the height of support 4
Position；Or, force in first and second maintaining body 2,3 simultaneously and slided on support 4, the first and of the chair back 1 can be interlocked
Two positions 10,11 change its height and position relative to support 4；It is deformed by means of the chair back 1 for making this flexible and changes curvature,
Make it to the position of human body back support with more patch back of the body property to adjust.
First maintaining body 2 has one first fixed part 20 and one first movable part 21, and second maintaining body 3 has
One second fixed part 30 and one second movable part 31, in the embodiment disclosed by each schema, first fixed part 20 is connected to
The top when chair back 1 is uprightly furnished, second fixed part 30 are then connected to the bottom of the homonymy chair back 1, first movable part 21 and
Second movable part 31 is then respectively sleeved at the different height and position of support 4, is fixed respectively by means of locking mechanism 5 and is connected to branch
On frame 4, after locking mechanism 5 is untied, two movable parts 21, the height and position of 31 opposite brackets 4 can adjust；Therefore, if its
In any movable part 21（31）Or two movable part 21,31 change position, the curvature of the chair back 1 will produce change.
The support 4 of the present invention has a hollow bulb 40, and first movable part 21 has a guide rod 210, is distributed on its surface
There are multiple fixing holes 211 axially arranged, the guide rod 210 is arranged in hollow bulb 40, when guide rod 210 is movable in hollow bulb 40
Just the varying height positions of the first position 10 of the chair back 1 are interlocked.The locking mechanism 5 has a gim peg 50, and in locking, this is fixed
Bolt 50 is fixed the first position 10 of the chair back 1 through the activity of interference guide rod 210 in support 4 and any fixing hole 211.
In addition, multiple positioning holes 41 axially arranged are distributed with support 4, second movable part 31 has a sets of holes 31
0 supports second movable part 31 to be slided on support 4.A locking mechanism 5 is configured with second movable part 31, as it was previously stated, should
Locking mechanism 5 has a gim peg 50（Join Fig. 4 or Fig. 5）, locking when pass through second movable part 31 after extend into it is any fixed
The slip of the second movable part 31 is interfered in position in hole 41, and then is fixed the second place 11 of the chair back 1.Fig. 2 is refer to, second
There are a pair of fix bars 301 of stator 300 and one, it is solid to be then provided with one on its corresponding second place 11 of the chair back 1 on fixed part 30
Reservation 110, there are a pair of fixing grooves 111 at corresponding a pair of stators 300 in the fixed seat 110, a pair of stators 300 are distinguished
After inserting a pair of fixing grooves 111, through a pair of stators 300 and it is fixed on fix bar 301 in fixed seat 110, makes second
Removable engagement is completed in the second place 11 of fixed part 30 and the chair back 1, in favor of assembling, and the replacement of component damage.
It is continuous to refer to Fig. 4 and Fig. 5, it is another embodiment of the present invention.One is provided with the sets of holes 310 of the second movable part 31
Cross section is in the slide 311 of C fonts, and there is an outstanding flange 314 slide 311 is mounted on the top of the slide 311
On the second movable part 31, and the outer surface of the slide 311 has a removable fixed plate 312, and its inner surface then has
The multiple and rib 313 in the same direction of support 4.The material of this slide 311 is preferred with plastics or rubber system person, has elastically deformable
Characteristic.Preferably, the outer surface of the slide 311 still have a tank 315, there is provided foregoing fixed plate 312 is bumped into, tank 31
There is an at least locating dowel 316 in 5, be fixed through fixed plate 312.Fixed plate 312 is with a kind of preferable wearability of hardness
Based on material, its position correspondence is in the gim peg 50 of locking mechanism 5, that is to say, that touches fixed plate 312 simultaneously in gim peg 50
During force pressurization, the slide 311 of the C fonts can be forced to produce elastic deformation and clamp support 4 and produce braking（Brake cars）Work
With.Consequently, it is possible to just be not required to open up multiple positioning holes 41 on the support 4, second movable part 31 is being propped up with stepless
Its different height and position is adjusted on frame 4, as the design of multiple ribs 313, then can release the lock of the second movable part 31
The friction to support 4 is reduced after fixed, makes slip of second movable part 31 on support 4 more smoothly.
Fig. 6 is the operation diagram of the present invention, and the first position 10 of the chair back 1 can connect by the guide rod 210 of the first maintaining body 2
Position that is dynamic, freely adjusting in support 4 its height, this when, if being connected to the second holding machine of the second place 11 of the chair back 1
Structure 3 is fixed, then changes by the first position 10 of the chair back 1, so that it may so that the change that the deformation of the chair back 1 obtains different curvatures comes
Recline the back of human body, is finally fixed after user determines patch back of the body demand by locking mechanism 5.Fig. 7 is of the invention
Another operation diagram, similarly, after the height of the chair back 1 determines position in the activity via guide rod 210, by locking mechanism 5 by its
First position 10 is fixed up, and the second place 11 of the chair back 1 is interlocked by the second maintaining body 3 of adjustment, can equally make the chair back 1
At this moment the change for deforming and obtaining different curvatures typically refers to the part of lower back, finally in user come the back for the human body that reclines
Fixed after patch back of the body demand is determined with locking mechanism 5.Certainly, if it is desired that the flexible chair back 1 obtain maximum extension or
Shrink, the first maintaining body 2 can also be adjusted simultaneously and the second maintaining body 3 interlocks the chair back 1 relative to the position of support 4
First position 10 and the second place 11 and make the chair back 1 produce curvature change.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of adjustable chair back device, it is characterised in that including a flexible chair back, one first maintaining body, one second
The support and locking mechanism of maintaining body, a support chair back, wherein, first maintaining body is connected to the first position of the chair back
Between support, second maintaining body is connected between the second place of the chair back and support, the chair back is maintained on support；Should
Second maintaining body has one second fixed part and one second movable part, and second fixed part is connected with the second place of the chair back,
Second movable part is freely slidable in support, and second movable part is fixed on support by means of locking mechanism.
2. adjustable chair back device according to claim 1, it is characterised in that wherein, be distributed with the support multiple
The positioning hole axially arranged, second movable part have a sets of holes to support second movable part to be slided on support, the locking
Mechanism has a gim peg, extend into any positioning hole after passing through second movable part in locking and interferes second movable part
Slip.
3. adjustable chair back device according to claim 1, it is characterised in that wherein, second movable part has one
Sets of holes are provided with the slide that a cross section is in C fonts, the locking machine to support second movable part to be slided on support, in sets of holes
Structure has a gim peg, locking when pass through second movable part after extend into slide oppress its deformation and clamp support to limit
The slip of second movable part.
4. adjustable chair back device according to claim 3, it is characterised in that wherein, the top of the slide has one
Outstanding flange is articulated on the second movable part, and its inner surface has multiple and support rib in the same direction.
5. adjustable chair back device according to claim 3, it is characterised in that wherein, the outer surface tool of the slide
There is a tank, a fixed plate has been bumped into tank, the fixed plate corresponds to the gim peg of locking mechanism.
6. adjustable chair back device according to claim 1, it is characterised in that wherein, have on second fixed part
At least one stator and a fix bar, are then provided with a fixed seat on its corresponding chair back second place, corresponding in the fixed seat
Fixing groove is provided with stator, after the stator inserts fixing groove, through the stator and is fixed on fix bar in fixed seat.
7. adjustable chair back device according to any one of claim 1 to 6, it is characterised in that wherein, described first protects
Holding mechanism has one first fixed part and one first movable part, and first fixed part is connected with the first position of the chair back, and this first
First movable part is fixed on the relative position of support by means of locking mechanism by movable part slidably in support.
8. adjustable chair back device according to claim 7, it is characterised in that wherein, the support has a hollow bulb,
First movable part has a guide rod to extend into the hollow bulb of support slidably, and there is the locking mechanism gim peg to fix
The relative position of guide rod in the bracket.
9. adjustable chair back device according to claim 8, it is characterised in that wherein, be distributed on the surface of the guide rod
There are multiple fixing holes axially arranged, gim peg corresponds to the slip that any fixing hole inserts and interferes guide rod.
10. adjustable chair back device according to claim 7, it is characterised in that wherein, the first position of the chair back refers to
The top when chair back is uprightly furnished, the second place refer in the bottom of the homonymy chair back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803111.5A CN107788736A (en) | 2016-09-06 | 2016-09-06 | Adjustable chair back device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803111.5A CN107788736A (en) | 2016-09-06 | 2016-09-06 | Adjustable chair back device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107788736A true CN107788736A (en) | 2018-03-13 |
Family
ID=61530398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610803111.5A Pending CN107788736A (en) | 2016-09-06 | 2016-09-06 | Adjustable chair back device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107788736A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856233A (en) * | 2018-06-27 | 2018-11-23 | 苏州斯洁科电子有限公司 | Laterally opened foldable dust cover |
| CN109171283A (en) * | 2018-09-25 | 2019-01-11 | 浙江博泰家具有限公司 | A kind of adjustable mechanism of backrest |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294635Y (en) * | 1997-05-08 | 1998-10-21 | 欣业企业股份有限公司 | Flexible support for back of chair |
| EP2000056A1 (en) * | 2007-06-06 | 2008-12-10 | Klöber GmbH | Flexible backrest for a work chair |
| CN104512306A (en) * | 2013-10-02 | 2015-04-15 | 洪天裕 | Lumbar support of car seat |
| 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 |
-
2016
- 2016-09-06 CN CN201610803111.5A patent/CN107788736A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294635Y (en) * | 1997-05-08 | 1998-10-21 | 欣业企业股份有限公司 | Flexible support for back of chair |
| EP2000056A1 (en) * | 2007-06-06 | 2008-12-10 | Klöber GmbH | Flexible backrest for a work chair |
| CN104512306A (en) * | 2013-10-02 | 2015-04-15 | 洪天裕 | Lumbar support of car seat |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856233A (en) * | 2018-06-27 | 2018-11-23 | 苏州斯洁科电子有限公司 | Laterally opened foldable dust cover |
| CN109171283A (en) * | 2018-09-25 | 2019-01-11 | 浙江博泰家具有限公司 | A kind of adjustable mechanism of backrest |
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