CN106724268A - The front-back position regulating mechanism and chair of the chair back - Google Patents
The front-back position regulating mechanism and chair of the chair back Download PDFInfo
- Publication number
- CN106724268A CN106724268A CN201611267536.5A CN201611267536A CN106724268A CN 106724268 A CN106724268 A CN 106724268A CN 201611267536 A CN201611267536 A CN 201611267536A CN 106724268 A CN106724268 A CN 106724268A
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- Prior art keywords
- support
- chair back
- chair
- fixed mount
- connecting seat
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 11
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention relates to the front-back position regulating mechanism of the chair back, chair frame includes connecting seat, seat support fixed mount and chair back fixed mount, chair back fixed mount includes first support and second support, the front end of first support is connected with the side arm of connecting seat, chair back connector is arranged on the rear end of second support, relative position between first support and second support can adjust, so as to change the length of chair back fixed mount, realize the movable of the chair back.The invention further relates to the chair with above-mentioned front-back position regulating mechanism.
Description
Technical field
The present invention relates to office furniture apparatus field, more particularly to a kind of chair back front-back position regulating mechanism and chair.
Background technology
The chair frame and chair of prior art, concentrating on substantially carries out changes of function on the handrail and Chair underpan of chair, and
Seat position is substantially stationary immovable.On the other hand, the chair back cannot carry out front and rear adjustment according to the actual demand of user,
It has been short of in the comfort level for using.Meanwhile, the chair frame or chair of existing chair back adjustable inclination or are inclined at general reclining adjustment structure
The fixed structure faced upward after regulation is extremely complex, using also inconvenient.
The content of the invention
In order to solve the above problems, an object of the present invention is to provide a kind of front-back position regulating mechanism of the chair back.
Another object of the present invention is to provide a kind of adjustable chair of chair back front and back position.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
The front-back position regulating mechanism of the chair back, chair frame includes connecting seat, seat support fixed mount and chair back fixed mount, chair back fixed mount bag
First support and second support are included, position adjusting mechanism is provided between first support and second support；The front end of first support with
The side arm connection of connecting seat, chair back connector is arranged on the rear end of second support, sets one in first support along its length
Bar walking trough, is provided with equally distributed draw-in groove along its length in the walking trough, the position adjusting mechanism includes regulation
Knob and a pair of links being connected with adjusting knob, two connecting rods are respectively clamped into adjacent two draw-in groove in walking trough, rotation
Turn adjusting knob can drivening rod moved in walking trough, connector fixing groove is opened up in second support, in connector fixing groove
Be fixed with connector, linkage fasteners be installed on connector, linkage fasteners can opposite joints rotate, the walking trough with
Fixing groove is oppositely arranged, and one end of connecting rod penetrates the connector fixing groove, and grafting is fixed on the linkage fasteners.On
Structure setting is stated, by adjusting knob a pair of links movement in walking trough can be driven to realize between first support and second support
Relative position, so as to change the length of chair back fixed mount, realizes the movable of the chair back.Coordinated by adjusting knob and connecting rod and adjusted
The length of section first support and second support, it is easy to use.
Used as optimal technical scheme, first support is provided with a long lumbar hole, and long lumbar hole is located at the front side of walking trough, second
Frame is provided with connecting hole corresponding with the long lumbar hole, sets slide bar connection long lumbar hole and connecting hole.By long lumbar hole, connecting hole
And slide bar is with one tie point of increase between first support and second support is combined into, can guarantee that steady after the expansion of chair back fixed mount
It is qualitative.
Used as optimal technical scheme, connecting seat includes connecting bottom board and is arranged on two sides of the connecting bottom board left and right sides
Arm, the side arm of connecting seat at least Upper vertical is set, and the connecting bottom board and side arm of connecting seat are integrated setting, base plate and side arm it
Between connected by arc or swash plate, the steel construction of connecting seat generally " u "-shaped.Intensity is big in itself for connecting seat, and is easy to and it
He connects part, is conducive to simplifying chair frame structure.
A kind of chair, including the chair back as described above front-back position regulating mechanism.The front and rear of the chair back can easily be realized
Regulation.
In sum, the front-back position regulating mechanism of the chair back of the invention, can drive a pair of links to exist by adjusting knob
The relative position between first support and second support is realized in movement in walking trough, so as to change the length of chair back fixed mount, is realized
The chair back it is movable.Coordinate the length of regulation first support and second support by adjusting knob and connecting rod, it is easy to use.
Brief description of the drawings
Fig. 1 is the structural representation of chair in the present invention（Except base portion）.
Fig. 2 is the structural representation of another angles of Fig. 1.
Fig. 3 is chair frame structural representation.
Fig. 4 is the structural representation of another angles of Fig. 3.
Fig. 5 is enlarged drawing at the A in Fig. 3.
Fig. 6 is the explosive view of the chair back fixed mount in the present invention.
Fig. 7 is the structural representation of another angle of chair back fixed mount.
Fig. 8 is the explosive view of first order governor motion in the present invention.
Fig. 9 is the structural representation of connecting bracket in the present invention.
Figure 10 is the structural representation of second level governor motion in the present invention.
Figure 11 is the schematic diagram of another angles of Figure 10.
Specific embodiment
The preferred embodiment to this patent is described in further detail below in conjunction with the accompanying drawings.
A kind of chair frame as shown in Fig. 3-Figure 11, including connecting seat 1, seat support fixed mount 2 and chair back fixed mount 3.
Connecting seat 1 includes connecting bottom board and is arranged on two side arms of the connecting bottom board left and right sides, and the side arm of connecting seat 1 is extremely
Few Upper vertical is set, in the attachment structure that the vertical portion of side arm is provided for being connected with miscellaneous part.The connection of connecting seat 1
Base plate is provided with leg fixed part, and is correspondingly provided with regulation handle, and the leg in the present embodiment includes regulation gas bar, chair leg and rolling
Wheel, the regulation handle is used to adjust the height of regulation gas bar.The connecting bottom board and side arm of the connecting seat 1 in the present embodiment are one
Body is set, and is connected by arc or swash plate between base plate and side arm, and connecting seat is generally similar to the steel construction of " u "-shaped.
Seat support fixed mount 2 includes base plate 21 and is arranged on the linking arm 22 of the base plate left and right sides, the base plate of seat support fixed mount 2
21 are horizontally disposed with, and which is provided with least two connection sheets 211 for being connected with seat support, and the connection sheet 211 is weldingly fixed on
The upper side of base plate 21, seat support is bolted in connection sheet.As in Figure 3-5, the linking arm 22 of seat support fixed mount 2 with
The side arm of connecting seat 1 is hinged, and seat support fixed mount 2 is located at the inner side of connecting seat 1, and seat support fixed mount 2 can be with respect to pendulum before and after connecting seat 1
It is dynamic.Running clearance is left between the bottom of seat support fixed mount 2 and the bottom of connecting seat 1, bottom fixing frame 2 is before relative connecting seat 1
The bottom of connecting seat 1 will not be contacted during swinging afterwards.In the present embodiment, between the linking arm 22 and base plate 21 of seat support fixed mount
Connected by swash plate or arc, seat support fixed mount 22 is integrated the steel construction of setting.In order to limit the front and rear pendulum of seat support fixed mount 2
Dynamic angle, as shown in figure 5, being respectively provided on two sides with the first limited block 11 and the second limit before and after on the swaying direction of linking arm
Position block 12.The first limited block 11 and the second limited block 12 in the present embodiment are arranged on the inner side of the side arm of connecting seat 1.
As shown in fig. 6-7, chair back fixed mount 3 include first support 31 and second support 32, the front end of first support 31 with
The chair back connector for fixing the chair back is installed in the side arm connection of connecting seat 1, the rear end of second support 32, first support 31 and the
Position adjusting mechanism is provided between two supports 32.One walking trough 311, the row are set along its length in first support 31
Walk and be provided with equally distributed draw-in groove along its length in groove 311.The position adjustment structure include adjusting knob 33 and with tune
A pair of links 34 of section knob connection, two connecting rods 34 are respectively clamped into adjacent two draw-in groove in walking trough 311, rotation rotation
Button 33 can drivening rod 34 moved in walking trough 311.Connector fixing groove 321 is opened up in second support 32, connector is fixed
Connector 35 is fixed with groove 321, linkage fasteners 36 are installed on connector 35, linkage fasteners 36 can opposite joints 35
Rotate.The walking trough 311 is oppositely arranged with fixing groove 321, and one end of connecting rod 34 penetrates the connector fixing groove 321, and
Grafting is fixed on the linkage fasteners 36.
In the present embodiment, when adjusting knob is rotated clockwise into 180 °, front side connecting rod position is constant, only the card where it
180 ° are rotated in groove, rear side connecting rod rotates 180 ° of draw-in grooves being entrapped in its rotation direction centered on front side connecting rod, connecting rod turns
Dynamic drivening rod fixture 36 is rotated around connector 35, at the same second support 32 with respect to first support 31 be retracted forward one section away from
From.When adjusting knob is rotated counterclockwise into 180 °, rear side connecting rod position is constant, and only 180 ° of rotation in the draw-in groove where it, preceding
Side connecting rod rotates 180 ° of draw-in grooves being entrapped in its rotation direction, link rotatable drivening rod fixture centered on rear side connecting rod
36 rotate around connector 35, while second support 32 launches a segment distance backward with respect to first support 31.Can by said structure
The convenient length adjustment for realizing chair back fixed mount, can adjust the front and back position of the chair back according to the actual demand of user.Enter one
Step, adjusting knob 33 is slidably mounted on the side of first support 31 by frame-type support 37.And first support 31 is provided with a length
Waist hole 312, long lumbar hole 312 is located at the front side of walking trough 311, and second support 32 is provided with and the corresponding company of the long lumbar hole 312
Hole 322 is connect, slide bar connection long lumbar hole 312 and connecting hole 322 are set.In the process that the length of first support and second support changes
In, slide bar is slided along long lumbar hole, and long lumbar hole can play a part of guiding, and slide bar can play a supporting role, and fix the chair back
Frame also has stability higher when being in most long status.
The front end of chair back fixed mount 3 is hinged with the side arm of connecting seat, and the present embodiment as shown in Figure 3-Figure 5, is fixed in the chair back
Upper end in the rotation direction of frame 3 is provided with the 3rd limited block 13, and the second limited block 12 is located at the rotation of first support 31 simultaneously
Lower end on direction, the model for rotating upwardly and downwardly of limitation chair back fixed mount 3 is coordinated by the 3rd limited block 13 and the second limited block 12
Enclose.The linking arm 22 of chair back fixed mount 3 and seat support fixed mount 2 has the second limited block 12 of shared limit, and chair back fixed mount 3 and company
Pin joint between joint chair 1 and between seat support fixed mount 2 and connecting seat 3 overlaps, and makes the mounting structure of chair frame compact.
Chair frame sets two-stage chair back-rest inclination governor motion.As shown in figure 8, the lower section of chair back fixed mount 3 sets gradually the first bullet
Property support member and roll adjustment handle 42, the first elastic supporting member for supporting optical member and the inclined shore chair back fixed mount 3 of roll adjustment handle 42.By external force
Chair back fixed mount 3 is rotated down drive chair back reclining backward afterwards, and it is sent out while chair back fixed mount 3 extrudes the first elastic supporting member for supporting optical member
Raw deformation, the opposition of the first elastic supporting member for supporting optical member makes chair back fixed mount reset after external force is cancelled, the chair back fixed mount
3rd, the first elastic supporting member for supporting optical member and roll adjustment handle 42 constitute first order chair back-rest inclination governor motion.
Roll adjustment handle 42 includes rotary head, and the rotating fulcrum that the rotary head of roll adjustment handle 42 can be fixed around a position rotates,
First elastic supporting member for supporting optical member is limited between the circumferential edge of chair back fixed mount 3 and the rotary head of roll adjustment handle 42.The week of rotary head
To the distance at edge to rotating fulcrum, in the rotation process of roll adjustment handle, the compressed degree of the first elastic supporting member for supporting optical member
It is different.
The first elastic supporting member for supporting optical member in the present embodiment includes the first spring 41, limit plunger 44 and fixed block 45, the first spring
41 upper end is spacing by limit plunger 44, and first support is provided with positioning convex directed downwardly 313, limit plunger 44 be provided with it is described
The draw-in groove that positioning convex 313 coordinates, fixed block 45 is provided with fixing groove, and the lower end of the first spring 41 is arranged on the fixing groove
In.Fixed block 45 is connected to the circumferential edge of the rotary head of roll adjustment handle 42, in the inclined shore chair back fixed mount of the first spring 41
First support 31.Above-mentioned first order governor motion is set, and chair back fixed mount 3 can turn downwards around connecting seat under external force
Dynamic, after it rotates a segment distance, chair back fixed mount 3 is contacted with the second limited block 12 so as to be further continued for rotating down.By
It is compressed between chair back fixed mount and roll adjustment handle in the first spring, by adjusting the contact between roll adjustment handle and fixture
Face, when can change the first spring positioned at original state by compression distance, so as to adjust the power needed for rotating chair back fixed mount
Size.The rear end of chair back fixed mount is arranged on due to the chair back, the chair back is exerted a force backward can rotate down chair back fixed mount 3, from
And chair back reclining backward is driven, thus constitute first order chair back-rest inclination governor motion.And it is fixed with first support along
The finger catch 46 that the compression direction of one elastic supporting member for supporting optical member is set.
As shown in Figure 10 and Figure 11, chair back connector includes connecting bracket 54, and connecting bracket 54 is cut with scissors with chair back fixed mount 3
Connect, and waist hole A323 is set on chair back fixed mount 3 to limit the scope that connecting bracket 54 rotates relative to chair back fixed mount 3；Chair
The back of the body is arranged in connecting bracket 54, and the rotation of connecting bracket 54 drives reclining before and after the chair back；It is provided with the front side of connecting bracket 54
Second elastic supporting member for supporting optical member, connecting bracket 54 backward reclining while the second elastic supporting member for supporting optical member can be made to deform, said structure structure
Into second level chair back-rest inclination governor motion.
Connecting bracket 54 in the present embodiment is arranged in second support 32, and waist hole A323 is also disposed at second support 32
On.
The second elastic supporting member for supporting optical member in the present embodiment includes connecting rod 52 and second spring 51, and second spring 51 is enclosed within connection
The periphery of bar 52, the rear end of connecting rod 52 is fixed in second support 32 after passing through connecting bracket 54, and second spring 51 is limited
Between the front end of connecting rod 52 and connecting bracket 32.
Connecting bracket in the present embodiment is as shown in figure 9, connecting bracket 54 includes the first connecting plate 541 and the second connecting plate
542, the first connecting plate 541 is hinged with second support 32, and the second connecting plate 542 is set towards chair front side, the second connecting plate 542
For fixing the chair back, and hole 5421 is provided with thereon, connecting rod 52 is passed through from the hole, and can be done along hole 5421 and transport up and down
It is dynamic so that connecting bracket 54 can complete front and rear reclining.
In order to easy for installation, the rear end of second support is bent inwards, the rear end of connecting rod 52 is provided with screw thread, connecting rod 52
Rear end is fixed on second support rear end with nut screw connection.
When power backward is applied to the chair back, first order governor motion effect first, chair back fixed mount 3 is overall to be rotated down
To after maximum angle, continue to be exerted a force to the chair back, chair back fixed mount 3 can not drive continuation downward, and connecting bracket 54 is around second
Frame 32 rotates, while by waist hole A323 limiting rotation angles, continuing to drive chair back reclining one end distance backward.
Above-mentioned chair frame structure, can be set handrail fixed mount, and handrail fixed mount includes supporting plate and balustrade panel, and supporting plate is fixed
In the outside of the side arm of connecting seat, the side arm of the connecting seat in the present embodiment is provided with grafting fixed cover, and supporting plate is directly inserted
Connect and be fixed in the grafting fixed cover, balustrade panel is vertically mounted on the upper end of supporting plate, and armrest assembly is installed on balustrade panel, helps
Hand component can armrest plate all around move.
A kind of office chair, as depicted in figs. 1 and 2, including chair frame, seat support, the chair back, handrail and leg, chair frame is by above-mentioned knot
Structure is set, and leg is illustrated not in figure, and seat support is fixed on seat support link, and handrail is fixed on the side arm upper end of connecting seat, chair
The back of the body is fixed on two chair back connectors in chair frame, is connected by protective plate 6 between the chair back fixed mount of both sides, the protection
Plate is located at the rear side of the chair back.Side seal board is respectively equipped with the outside of connecting seat and chair back fixed mount, makes chair frame overall structure
It is more attractive in appearance.
Claims (4)
1. the front-back position regulating mechanism of the chair back, it is characterised in that chair frame includes connecting seat（1）, seat support fixed mount（2）And the chair back
Fixed mount（3）, chair back fixed mount（3）Including first support（31）And second support（32）, first support（31）And second support
（32）Between be provided with position adjusting mechanism；First support（31）Front end and connecting seat（1）Side arm connection, the chair back connector peace
Mounted in second support（32）Rear end, first support（31）On a walking trough is set along its length（311）, the walking
Groove（311）In be provided with equally distributed draw-in groove along its length, the position adjusting mechanism includes adjusting knob（33）And with
A pair of links of adjusting knob connection（34）, two connecting rods（34）It is respectively clamped into walking trough（311）In adjacent two draw-in groove
In, rotation of adjustment knob（33）Can drivening rod（34）In walking trough（311）Middle movement, second support（32）On open up connector
Fixing groove（321）, connector fixing groove（321）Inside it is fixed with connector（35）, connector（35）On linkage fasteners are installed
（36）, linkage fasteners（36）Can opposite joints（35）Rotate, the walking trough（311）With fixing groove（321）It is oppositely arranged,
Connecting rod（34）One end penetrate the connector fixing groove（321）, and grafting is fixed on the linkage fasteners（36）On.
2. the front-back position regulating mechanism of the chair back according to claim 1, it is characterised in that first support（31）It is provided with
One long lumbar hole（312）, long lumbar hole（312）Positioned at walking trough（311）Front side, second support（32）It is provided with and the long lumbar hole
（312）Corresponding connecting hole（322）, slide bar connection long lumbar hole is set（312）And connecting hole（322）.
3. the front-back position regulating mechanism of the chair back according to claim 1, it is characterised in that connecting seat（1）Including connection
Base plate and two side arms for being arranged on the connecting bottom board left and right sides, connecting seat（1）Side arm at least Upper vertical set, connecting seat
（1）Connecting bottom board and side arm be integrated setting, connected by arc or swash plate between base plate and side arm, connecting seat is generally
The steel construction of " u "-shaped.
4. a kind of chair, it is characterised in that the front and back position regulation machine including the chair back as any one of claim 1-3
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267536.5A CN106724268B (en) | 2016-12-31 | 2016-12-31 | Chair back front and back position adjusting mechanism and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267536.5A CN106724268B (en) | 2016-12-31 | 2016-12-31 | Chair back front and back position adjusting mechanism and chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106724268A true CN106724268A (en) | 2017-05-31 |
| CN106724268B CN106724268B (en) | 2024-04-09 |
Family
ID=58952554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611267536.5A Active CN106724268B (en) | 2016-12-31 | 2016-12-31 | Chair back front and back position adjusting mechanism and chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106724268B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724257A (en) * | 2016-12-31 | 2017-05-31 | 浙江恒林椅业股份有限公司 | Chair frame and the chair using the chair frame |
| CN108741857A (en) * | 2018-07-02 | 2018-11-06 | 佛山职业技术学院 | A kind of full adjustable back chair |
| CN108937266A (en) * | 2018-07-11 | 2018-12-07 | 曹美兰 | A kind of outdoor landscape chair connector |
| CN110074584A (en) * | 2018-01-25 | 2019-08-02 | 泰桦家具股份有限公司 | Chair back curvature adjusts device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030230918A1 (en) * | 2002-06-18 | 2003-12-18 | Hector Serber | Dynamically balanced seat assembly having independently and arcuately movable seat and backrest and method |
| CN206910107U (en) * | 2016-12-31 | 2018-01-23 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
-
2016
- 2016-12-31 CN CN201611267536.5A patent/CN106724268B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030230918A1 (en) * | 2002-06-18 | 2003-12-18 | Hector Serber | Dynamically balanced seat assembly having independently and arcuately movable seat and backrest and method |
| CN206910107U (en) * | 2016-12-31 | 2018-01-23 | 浙江恒林椅业股份有限公司 | The front-back position regulating mechanism and chair of the chair back |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724257A (en) * | 2016-12-31 | 2017-05-31 | 浙江恒林椅业股份有限公司 | Chair frame and the chair using the chair frame |
| CN106724257B (en) * | 2016-12-31 | 2019-10-25 | 浙江恒林椅业股份有限公司 | Chair frame and the chair for using the chair frame |
| CN110074584A (en) * | 2018-01-25 | 2019-08-02 | 泰桦家具股份有限公司 | Chair back curvature adjusts device |
| CN108741857A (en) * | 2018-07-02 | 2018-11-06 | 佛山职业技术学院 | A kind of full adjustable back chair |
| CN108741857B (en) * | 2018-07-02 | 2023-09-19 | 佛山职业技术学院 | Fully-adjustable backrest chair |
| CN108937266A (en) * | 2018-07-11 | 2018-12-07 | 曹美兰 | A kind of outdoor landscape chair connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106724268B (en) | 2024-04-09 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 313300, Zhejiang, Huzhou province Anji County Road, 378, 380, No. Applicant after: Henglin Furniture Co.,Ltd. Address before: 313300 sunlight industrial park three district, Anji County Di Pu town, Huzhou City of Zhejiang Province Zhejiang Heng Lin Chairs Co.,Ltd. Applicant before: ZHEJIANG HENGLIN CHAIR INDUSTRY Co.,Ltd. |
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