CN107898200A - Chair back - Google Patents
Chair back Download PDFInfo
- Publication number
- CN107898200A CN107898200A CN201711402862.7A CN201711402862A CN107898200A CN 107898200 A CN107898200 A CN 107898200A CN 201711402862 A CN201711402862 A CN 201711402862A CN 107898200 A CN107898200 A CN 107898200A
- Authority
- CN
- China
- Prior art keywords
- chair back
- telescoping mechanism
- drawstring
- runner
- back according
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 238000009434 installation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The present invention relates to a kind of Chair back, it includes supporting mechanism, the telescoping mechanism being installed on supporting mechanism, the backboard being installed on telescoping mechanism, supporting mechanism includes supporting rack, the adjusting rod being installed on supporting rack and runner, is installed on spring, the drawstring being around on runner of adjusting rod connection, one end of drawstring is connected with spring, and the other end of drawstring is connected with telescoping mechanism.Runner includes main part and adjustment portion, and drawstring is abutted through main part with main part, adjustment portion.The comfort level of the Chair back is high, has and shrinks elasticity, the automatic position for adapting to user, is hardly damaged, and can be adjusted according to service condition, be beneficial to the work of long-time service seat or the health of learner.
Description
Technical field
The present invention relates to technical field of office furniture, more particularly to a kind of Chair back.
Background technology
With expanding economy, requirement of the people to office or living environment is higher and higher, office furniture and house man
Tool has more and more wide market in China, seat as one of main office furniture and residential cabinetry, its comfort level with
And the beautiful important indicator become when people select to use.Existing Chair back is installed on the chair back generally by fastener
On stent, the chair back is stiff after being fixed, people can only a kind of posture of fixation lean against on the chair back, greatly reduce seat
Comfort level.Elasticity is shunk in not having for common Chair back, can not be adapted to the position of user automatically, not had many times
The effect of support, using a period of time or by when it is firmly excessive, it is easy to cause fastener to damage, Chair back damage is de-
Fall, cause chair to scrap.
The content of the invention
Based on this, it is necessary to for Chair back there are the problem of, there is provided a kind of comfort level is high, has and shrinks elasticity, no
Flimsy Chair back.
A kind of Chair back, including：Supporting mechanism, the telescoping mechanism being installed on the supporting mechanism, be installed on it is described
Backboard on telescoping mechanism；The supporting mechanism includes supporting rack, the adjusting rod being installed on support frame as described above and runner, peace
Spring loaded on adjusting rod connection, the drawstring being around on the runner, one end of the drawstring are connected with the spring,
The other end of the drawstring is connected with the telescoping mechanism；The runner includes main part and adjustment portion, and the drawstring passes through institute
Main part is stated to abut with the main part, adjustment portion.
Above-mentioned Chair back, including supporting mechanism, be installed on supporting mechanism telescoping mechanism, be installed on telescoping mechanism
Backboard, in use, by supporting mechanism be installed on chair corresponding site on.Adjusting rod, runner, the spring of supporting mechanism
And drawstring forms the relative constant power output system of a support force size, the beginning state of backboard is to stretch out.Work as use
When person is sitting on chair by being pressed against backboard, telescoping mechanism can be compressed on supporting mechanism with horizontal direction until user feels to relax
Stop in due course, when not in use, telescoping mechanism can reset to beginning state under the action of power output system.Due to the tune of runner
The torque arm length of section portion and drawstring can form relative constant support force with the tensile elongation adaptive change of spring,
User obtains support force size relative constancy in diverse location, and comfort level is high.The comfort level of the Chair back is high, has and shrinks
Elasticity, be hardly damaged, and is beneficial to the health for a long time with seat work or learner.
In one of the embodiments, further include an atmospheric pressure pole, the atmospheric pressure pole be installed in the supporting mechanism and
It is connected with the telescoping mechanism.
In one of the embodiments, further include locking card hand, the locking card hand be installed on the telescoping mechanism and
It is oppositely arranged with support frame as described above.
In one of the embodiments, the locking card hand is equipped with some latches.
In one of the embodiments, support frame as described above is equipped with some positioning teeth groove, the positioning teeth groove and the card
Tooth is adapted to.
In one of the embodiments, the telescoping mechanism includes flexible block set, the installation being installed on support frame as described above
Force block on the flexible hub interior wall, the force block are connected with the drawstring.
In one of the embodiments, two pin joint seats are installed, the pin joint seat stretches with described on the backboard
Block set is pivotally connected.
In one of the embodiments, support frame as described above includes mounting base, first be installed in the mounting base support
Arm and two the second support arms, second support arm are connected with first support arm, second support arm with described turn
Wheel connection.
In one of the embodiments, the adjusting rod is threaded rod, and the mounting base is equipped with threaded hole, the adjusting
Bar is installed in the mounting base by the threaded hole.
In one of the embodiments, the adjustment portion is set in vortex shape.
Brief description of the drawings
Fig. 1 is the schematic diagram of the Chair back of a preferred embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of Chair back shown in Fig. 1；
Fig. 3 is the schematic diagram of another embodiment of the present invention Chair back；
Fig. 4 is the schematic diagram of further embodiment of this invention Chair back；
Fig. 5 is the schematic cross-sectional view of Chair back shown in Fig. 4；
Fig. 6 is the schematic diagram of supporting rack in Chair back shown in Fig. 1；
Fig. 7 is the schematic diagram of supporting rack in Chair back shown in Fig. 4；
Fig. 8 is the enlarged diagram at circle A in Chair back shown in Fig. 5；
Fig. 9 is the schematic diagram of runner in Chair back shown in Fig. 5；
Figure 10 is force analysis schematic diagram of the present invention；
Figure 11 is another force analysis schematic diagram of the present invention；
Attached drawing marks explanation:
100- Chair backs, 20- supporting mechanisms, 21- supporting racks, 22- adjusting rods, 23- runners, 24- springs, 25- drawstrings,
211- mounting bases, the first support arms of 212-, the second support arms of 213-, 214- stroke openings, 215- positioning teeth groove, 231- main bodys
Portion, 232- adjustment portions, 233- threading holes, 234- support shafts, 30- telescoping mechanisms, 31- stretch block set, 32- force blocks, 40- backrests
Plate, 41- pin joint seats, 42- supports concave surface, 50- atmospheric pressure poles, 60- locking card hands, 61- latches, 200- Chair backs, 300- seats
The chair back.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Referring to Fig.1 and 2, being the Chair back 100 of one embodiment of the invention, which includes support machine
Structure 20, the telescoping mechanism 30 being installed on supporting mechanism 20, the backboard 40 being installed on telescoping mechanism 30, telescoping mechanism 30 can
To do stretching motion on supporting mechanism 20, backboard 40 can rotate on telescoping mechanism 30 adjusts angle.
Fig. 6 is referred again to, the supporting mechanism 20 includes supporting rack 21, the adjusting rod 22 and runner being installed on supporting rack 21
23rd, spring 24, the drawstring 25 being around on runner 23 of the connection of adjusting rod 22 are installed on, one end and the spring 24 of drawstring 25 connect
Connect, the other end of drawstring 25 is connected with telescoping mechanism 30.Further, supporting rack 21 includes mounting base 211, is installed on mounting base
The first support arm 212 and two the second support arms 213, the second support arm 213 on 211 are connected with the first support arm 212, and second
Support arm 213 is connected with runner 23.Adjusting rod 22 is threaded rod, and mounting base 211 is equipped with threaded hole, and adjusting rod 22 passes through screw thread
Hole is installed in mounting base 211, can adjust the initial strength of spring 24 during use by rotating adjusting rod 22.In other implementations
In example, adjusting rod 22 can be provided at an outer portion with multiple card slots, and it is fixed to complete clamping with reference to the movable block tongue installed in mounting base 211
Position, so as to fulfill the initial strength of adjustment spring.A stroke opening 214 is formed between the second support arm of two of which 213, OK
Stress and it will not be blocked when journey opening 214 is stretched easy to telescoping mechanism 30.
Fig. 9 is referred again to, the runner 23 includes main part 231 and adjustment portion 232, and drawstring 25 passes through main part 231 and master
Body portion 231, adjustment portion 232 abut.Wherein main part 231 is equipped with a threading hole 233 and two support shafts 234, threading hole
233 pass through for drawstring 25, and support shaft 234 is undertaken on the second support arm 213, and adjustment portion 232 is set in vortex shape, vortex shape
The distance at the outer rim of adjustment portion 232 to 234 center of support shaft increases along gradual counterclockwise, the drawstring 25 abutted with adjustment portion 232
The torque arm length formed with the rotation of runner 23 can also change.
The telescoping mechanism 30 include be installed on supporting rack 21 flexible block set 31, be installed on flexible 31 inner wall of block set
Force block 32, force block 32 is connected with drawstring 25, and drawstring 25 can be by force block 32 to flexible under the action of spring 24
Block set 31 provides power.Two pin joint seats 41 are installed, pin joint seat 41 is pivotally connected with flexible block set 31, user on the backboard 40
The angle of backboard 40 can be adjusted by pin joint seat 41, improves comfort level.Backboard 40 is equipped with a support concave surface 42, branch
Support concave surface 42 is located at backboard 40 can be such that user is not easy by unlucky to two backwards to the side of flexible block set 31, support concave surface 42
Sideslip falls.
Above-mentioned Chair back 100, including supporting mechanism 20, be installed on supporting mechanism 20 telescoping mechanism 30, be installed on
Backboard 40 on telescoping mechanism 30, in use, being installed on by supporting mechanism 20 on the corresponding site of chair.Supporting mechanism 20
Adjusting rod 22, runner 23, spring 24 and drawstring shape 25 into the relative constant power output system of a support force size, backboard
40 beginning state is to stretch out.When user is sitting on chair by being pressed against backboard 40, telescoping mechanism 30 is in supporting mechanism 20
On can with horizontal direction compress stop when user is comfortable on, when not in use, telescoping mechanism 30 is in power output system
Beginning state can be reset under effect.The torque arm length of adjustment portion 232 and drawstring 25 due to runner 23 can be with spring 24
Tensile elongation adaptive change, relative constant support force can be formed, user obtains support force size in diverse location
Relative constancy, comfort level are high.The comfort level of the Chair back 100 is high, has and shrinks elasticity, is hardly damaged, and is beneficial to use for a long time
Seat works or the health of learner.
Fig. 3 is refer to, is the Chair back 200 of another embodiment of the present invention, relative to the difference of above-mentioned Chair back 100
It is to be also provided with an atmospheric pressure pole 50.The Chair back 200 includes supporting mechanism 20, is installed on stretching on supporting mechanism 20
Mechanism 30, the backboard 40 being installed on telescoping mechanism 30 and atmospheric pressure pole 50, telescoping mechanism 30 can be on supporting mechanisms 20
Stretching motion is done, backboard 40 can rotate on telescoping mechanism 30 adjusts angle.Since atmospheric pressure pole 50 is installed on supporting mechanism
It is connected in 20 and with telescoping mechanism 30, in use, when 40 forced compression of telescoping mechanism 30 and backboard, atmospheric pressure pole 50 is forced
Contracting, the stretching of 24 stress of spring, both combinations can provide larger support force, be adapted to the larger crowd of weight to use, support is strong
Degree is big.When not in use, telescoping mechanism 30 and backboard 40 can reset to beginning shape under the action of spring 24 and atmospheric pressure pole 50
State.
Fig. 4, Fig. 5, Fig. 7 and Fig. 8 are refer to, for the Chair back 300 of further embodiment of this invention, the Chair back 300
Relative to above-mentioned Chair back 100, difference lies in be additionally provided with locking card hand 60.The Chair back 300 includes supporting mechanism
20th, the telescoping mechanism 30 that is installed on supporting mechanism 20, the backboard 40 being installed on telescoping mechanism 30 and locking card hand
60, telescoping mechanism 30 can do stretching motion on supporting mechanism 20, and backboard 40 can rotate adjusting on telescoping mechanism 30
Angle.It is envisaged that also atmospheric pressure pole 50 can be installed inside supporting mechanism 20 in this embodiment forms new scheme to carry
High support strength.Further, the flexible block set 31 that the locking card hand 60 is installed on telescoping mechanism 30 gets on and and supporting rack
21 are oppositely arranged, and locking card hand 60 is equipped with some latches 61, and supporting rack 21 is equipped with some positioning teeth groove 215, positions teeth groove
215 latches 61 are adapted to.When moving locking card hand 60 and latch 61 is left positioning teeth groove 215, telescoping mechanism 30 and backboard 40
Can stretch, when move locking card hand 60 make latch 61 be caught in positioning teeth groove 215 when, telescoping mechanism 30 is fixed, by
It will not be moved under power.
Figure 10 and Figure 11 are refer to, is that the support force provided in 20 inside power output system of supporting mechanism of the present invention produces
Schematic diagram.As shown in Figure 10, it is shorter in spring 24, when the chair back is horizontal longest, the torque M1=L1*F1 of spring terminal, wherein
F1=K*X1, then (wherein K is fixed coefficient of elasticity to M1=L1*F1*X1, and L1 is the torque arm length of current location, and M1 is current
The torque of position, X1 are current location spring elongation).As shown in figure 11, it is longer in spring 24, when the chair back is horizontal shortest
Wait, the torque M2=L2*F2 of spring terminal, wherein F2=K*X2, then (wherein K is fixed coefficient of elasticity to M2=L2*F2*X2, L2
For the torque arm length of current location, M2 is the torque of current location, and X2 is current location spring elongation).
Since the coefficient of elasticity K of same root spring in both the above different conditions is constant, if L1*X1=L2*X2, then
M1=M2, if we in the different elongation state Xn of spring, we set the adjustment portion 232 of runner 23 to provide the corresponding arm of force
Length Ln, it is ensured that Ln*Xn=L1*X1=L2*X2, then Mn=M1=M2.By above-mentioned principle, we can make spring in office
Torque can keep substantially constant (relative constancy, can also be influenced by factors such as frictional force) during one length, while output terminal
Support force relative constancy, improves comfort level.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. Chair back, it is characterised in that including：Supporting mechanism, the telescoping mechanism being installed on the supporting mechanism, peace Loaded on the backboard on the telescoping mechanism；The supporting mechanism includes supporting rack, the adjusting rod being installed on support frame as described above And runner, the spring, the drawstring being around on the runner that are installed on adjusting rod connection, one end of the drawstring with it is described Spring connects, and the other end of the drawstring is connected with the telescoping mechanism；The runner includes main part and adjustment portion, the drawing Rope is abutted through the main part with the main part, adjustment portion.
- 2. Chair back according to claim 1, it is characterised in that further include an atmospheric pressure pole, the atmospheric pressure pole installation It is connected in the supporting mechanism and with the telescoping mechanism.
- 3. Chair back according to claim 1 or 2, it is characterised in that further include locking card hand, the locking card hand peace Loaded on being oppositely arranged on the telescoping mechanism and with support frame as described above.
- 4. Chair back according to claim 3, it is characterised in that the locking card hand is equipped with some latches.
- 5. Chair back according to claim 4, it is characterised in that support frame as described above is equipped with some positioning teeth groove, institute Positioning teeth groove is stated to be adapted to the latch.
- 6. Chair back according to claim 3, it is characterised in that the telescoping mechanism includes being installed on support frame as described above On flexible block set, the force block that is installed on the flexible hub interior wall, the force block is connected with the drawstring.
- 7. Chair back according to claim 6, it is characterised in that two pin joint seats, institute are provided with the backboard Pin joint seat is stated to be pivotally connected with the flexible block set.
- 8. Chair back according to claim 1, it is characterised in that support frame as described above include mounting base, be installed on it is described The first support arm and two the second support arms in mounting base, second support arm is connected with first support arm, described Second support arm is connected with the runner.
- 9. Chair back according to claim 8, it is characterised in that the adjusting rod is threaded rod, in the mounting base Equipped with threaded hole, the adjusting rod is installed in the mounting base by the threaded hole.
- 10. the Chair back stated according to claim 1, it is characterised in that the adjustment portion is set in vortex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402862.7A CN107898200B (en) | 2017-12-22 | Chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402862.7A CN107898200B (en) | 2017-12-22 | Chair back |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107898200A true CN107898200A (en) | 2018-04-13 |
| CN107898200B CN107898200B (en) | 2024-06-04 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340448A (en) * | 2019-09-04 | 2022-04-12 | 必购邻公司 | Adjustable hardness device and resting furniture comprising such a device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB625800A (en) * | 1942-03-16 | 1949-07-04 | Anion Lorenz | Improved adjustable chairs |
| DE3002827A1 (en) * | 1980-01-26 | 1981-07-30 | Johann 5670 Opladen Schwarz | Adjustment mechanism for reclining seat backrests - has flat compact moulded plate and spring with handle anywhere on backrest |
| EP0414677A1 (en) * | 1986-12-01 | 1991-03-06 | Anders Moller | Examination chair for placing a patient in desired positions for e.g. radiological examination. |
| JPH04102407A (en) * | 1990-08-22 | 1992-04-03 | Takara Belmont Co Ltd | Seat tilting device for chair |
| US20100141003A1 (en) * | 2008-12-09 | 2010-06-10 | Combs John A | Chair lift |
| CN203121644U (en) * | 2013-01-06 | 2013-08-14 | 长安大学 | Mechanism for regulating angle of seat back |
| CN203328311U (en) * | 2013-06-09 | 2013-12-11 | 邓建波 | Chair back |
| TWM501184U (en) * | 2015-01-30 | 2015-05-21 | Century Shine Co Ltd | Improvement of chair structure |
| CN107080381A (en) * | 2017-06-20 | 2017-08-22 | 中威控股集团有限公司 | A kind of seat reclining governor motion |
| CN208524257U (en) * | 2017-12-22 | 2019-02-22 | 邓建波 | Chair back |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB625800A (en) * | 1942-03-16 | 1949-07-04 | Anion Lorenz | Improved adjustable chairs |
| DE3002827A1 (en) * | 1980-01-26 | 1981-07-30 | Johann 5670 Opladen Schwarz | Adjustment mechanism for reclining seat backrests - has flat compact moulded plate and spring with handle anywhere on backrest |
| EP0414677A1 (en) * | 1986-12-01 | 1991-03-06 | Anders Moller | Examination chair for placing a patient in desired positions for e.g. radiological examination. |
| JPH04102407A (en) * | 1990-08-22 | 1992-04-03 | Takara Belmont Co Ltd | Seat tilting device for chair |
| US20100141003A1 (en) * | 2008-12-09 | 2010-06-10 | Combs John A | Chair lift |
| CN203121644U (en) * | 2013-01-06 | 2013-08-14 | 长安大学 | Mechanism for regulating angle of seat back |
| CN203328311U (en) * | 2013-06-09 | 2013-12-11 | 邓建波 | Chair back |
| TWM501184U (en) * | 2015-01-30 | 2015-05-21 | Century Shine Co Ltd | Improvement of chair structure |
| CN107080381A (en) * | 2017-06-20 | 2017-08-22 | 中威控股集团有限公司 | A kind of seat reclining governor motion |
| CN208524257U (en) * | 2017-12-22 | 2019-02-22 | 邓建波 | Chair back |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340448A (en) * | 2019-09-04 | 2022-04-12 | 必购邻公司 | Adjustable hardness device and resting furniture comprising such a device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240508 Address after: 518000, Building B, Wanyuan Business Building, Zone 71, Xingdong Community, Xin'an Street, Bao'an District, Shenzhen, Guangdong Province, China 3A18 Applicant after: SHENZHEN MICROTOUCH ERGONOMIC TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 518000, Room 618, Wanyuan Business Building, No. 20 Liuxian Second Road, Bao'an 71 District, Shenzhen, Guangdong Province Applicant before: Deng Jianbo Country or region before: China |
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| GR01 | Patent grant |