CN105476315B - A kind of improved chair tray - Google Patents
A kind of improved chair tray Download PDFInfo
- Publication number
- CN105476315B CN105476315B CN201510929613.8A CN201510929613A CN105476315B CN 105476315 B CN105476315 B CN 105476315B CN 201510929613 A CN201510929613 A CN 201510929613A CN 105476315 B CN105476315 B CN 105476315B
- Authority
- CN
- China
- Prior art keywords
- pedestal
- seat
- handle
- mounting seat
- elevating lever
- 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.)
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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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The present invention relates to chair technology field, a kind of more particularly to improved chair tray, chair tray structure, including pedestal, chair back fixed seat and elevating lever mounting seat, chair back fixed seat is hinged on pedestal, regulation handle is rotatably connected on pedestal, elevating lever mounting seat is provided with the lifting handle for being used for controlling seat support to lift, elevating lever mounting seat is hinged on pedestal by jointed shaft, lifting handle is connected with regulation handle, and lifting handle can in axial direction move with regulation handle relative to pedestal, when regulation handle movement makes the both ends of lifting handle be located in positioning hole, elevating lever mounting seat keeps being relatively fixed with pedestal.The present invention can adjusting back angle and can regulation seat support angle, it can adapt to the different sitting posture of user, improve the comfort level of seat, Simultaneous Stabilization is good, safety coefficient is high, allow to fix the position of seat support in adjusting back angle, prevent that angle of back-rest is excessive and causes user's mass centre changing and produces and tumble.
Description
Technical field
The present invention relates to chair technology field, more particularly to a kind of improved chair tray.
Background technology
The Chair structure of in the market is various, wherein the seat of adjustable chair back angles, with its comfortable posture, receives more
Carry out the favor of more consumers, this seat lain down relies primarily on the pallet of fixed chair base and the fixed chair chair back
Chair back fixed mount between rotation connection structure and retaining mechanism realize its lie down chair back and adjusting back inclination angle
The function of degree, and torsion spring would generally be installed in the rotating shaft of chair back fixed mount, torsion spring produces certain during rotation
Rebound moment of torsion, and so as to allow user during lying down, the chair back can give certain back-supported, and unclamp locking machine
After structure, torsion spring can also allow the chair back to recover vertical state automatically.
Such as：A kind of chair tray described in application number 200620107759.0, including seat bracket, bearing support, backrest
Frame, post adjustment handle and column mounting holes, seat bracket are led to bearing support by being connected axis connection, seat bracket with back rest
Connection pin connection is crossed, governor motion is provided between seat bracket and the front portion of bearing support, governor motion is in the front portion of bearing support
The fixed voussoir of installation, the mobile voussoir of the front lower portion for being mounted to seat bracket to be matched with fixed voussoir inclined-plane, is installed on
The screw rod of the anterior regulation handle of seat bracket is matched somebody with somebody with mobile voussoir and merges the two sides for being penetratingly installed on seat bracket, seat cushion
The interior both sides of bracket position screw rod provided with bearing pin.It is the disadvantage is that, this chair tray is merely able to receive the angle of regulating seat cushion
Degree, and angle can not be automatically adjusted with different sitting postures.
The content of the invention
The invention solves above-mentioned technical problem, so as to provide a kind of chair tray structure, can either adjusting back angle,
And can adjusts the front and rear angles of seat support, adapts to different sitting postures, while lock the carefree of chair automatically when adjusting angle of back-rest
Function, avoid causing to tumble because seat support inclination makes crank.
Technical proposal that the invention solves the above-mentioned problems is as follows：A kind of improved chair tray, including pedestal, the chair back are fixed
Seat and elevating lever mounting seat, the chair back fixed seat are hinged on pedestal, and regulation handle is rotatably connected on the pedestal, described
Expansion link is provided between pedestal and chair back fixed seat, the regulation handle adjusts pedestal and the chair back by controlling length of telescopic bar
Angle between fixed seat；The elevating lever mounting seat is provided with the lifting for being used for controlling seat support gas spring switch to lift seat support
Handle, pedestal and the elevating lever mounting seat are split-type structural, and the elevating lever mounting seat is hinged on pedestal by jointed shaft
On the side plate of both sides, and pedestal OQ t bar mounting seat rotates along jointed shaft, the movable end and base of the elevating lever mounting seat
Buffer unit is provided between frame；The lifting handle is connected with regulation handle, and the lifting handle and regulation handle are equal
Can in axial direction it be moved relative to pedestal, the side plate positioned at lifting handle movable end side is provided with positioning hole, when the regulation
When handle movement makes the movable end of lifting handle be located in positioning hole, the elevating lever mounting seat keeps relatively solid with pedestal
It is fixed.
The present invention is hinged by pedestal and elevating lever mounting seat so that and seat support can carry out front and rear small size swing,
Carefree function is realized, available buffer device is set between the movable end and pedestal of elevating lever mounting seat, played in user slow
Punching acts on, and makes that it is steady, slowly swings；By setting lifting handle, according to user's needs, elevating lever can be controlled to install
Seat is relatively fixed or rotated with pedestal, seat support OQ t bar is kept stationary state or rotary state；While in order to ensure seat
The stabilization of chair, makes regulation handle be connected with lifting handle, and when carrying out angle of back-rest regulation, mobile regulation handle makes triggering
Piece is moved to the position of flexible lever switch, when now the both ends of lifting handle are plugged in positioning hole, the carefree function quilt of chair
Locking, make elevating lever mounting seat keep fixing with pedestal, prevent from tumbling because of user's mass centre changing.
Preferably, the regulation handle is provided with the isolation of the flexible lever switch of control, when the isolation is moved to
During the position of flexible lever switch, the movable end of the lifting handle is plugged in positioning hole, elevating lever mounting seat is protected with pedestal
Hold and be relatively fixed.
Preferably, elongated slot is provided with the side plate of the positioning hole opposite side, when the movable end of the lifting handle
When being removed out of positioning hole, the pedestal OQ t bar mounting seat rotates along jointed shaft, and the lifting handle exists with respect to pedestal
Moved in elongated slot.
Preferably, the side plate is provided with limited block, the limited block is located at the position of pedestal movable end, to limit
The rotational angle of pedestal.
Preferably, the regulation handle is provided with linkage seat, the linkage seat is provided with the neck being unidirectionally open, described
Lifting handle is provided with linkage board, and the linkage board is plugged in neck, the band when the regulation handle in axial direction moves
Dynamic lifting handle together moves.
Preferably, the elevating lever mounting seat is provided with gag lever post, turn to linkage board when the lifting handle rotates
During the opening of neck, the rotational angle of the gag lever post limitation lifting handle, linkage board is set to keep being connected with linkage seat.
Preferably, one end of the expansion link is provided with connecting seat, the connecting seat is hinged on pedestal by rotating shaft, its
Including piston fixed plate, the articulated slab for being separately positioned on piston fixed plate both sides and being hinged in rotating shaft and it is arranged on piston and fixes
Limiting plate between plate and articulated slab.
Preferably, the buffer unit is the elasticity that both ends are connected to pedestal and the movable end of elevating lever mounting seat
Part.
Preferably, the buffer unit includes pull bar, spring and rotational handle, one end of the pull bar is connected to pedestal
On, the other end passes through elevating lever mounting seat, is spirally connected with the rotational handle on the outside of elevating lever mounting seat, the spring is set in
On pull bar and between elevating lever mounting seat and rotational handle.
The invention has the advantages that：The present invention can adjusting back angle and can regulation seat support angle, energy
The different sitting posture of user is enough adapted to, improves the comfort level of seat, Simultaneous Stabilization is good, safety coefficient is high, at adjusting back angle
Automatically the carefree function of chair is locked when spending, the chair back can not carry out angular adjustment when opening carefree function, prevent in adjustment chair
Unlucky angle is excessive and causes user's mass centre changing and produces and tumble, and substantially increases the stability and security of seat.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the sectional view of the embodiment of the present invention 1；
Fig. 3 is the structural representation of elevating lever mounting seat in the embodiment of the present invention 1；
Fig. 4 is the structural representation of pedestal in the embodiment of the present invention 1；
Fig. 5 is the structural representation of connecting seat in the embodiment of the present invention 1；
Fig. 6 is the structural representation of the embodiment of the present invention 2；
In figure, 1- pedestals；11- side plates；111- positioning holes；112- elongated slots；12- jointed shafts；13- limited blocks；14- rotating shafts；
2- chair back fixed seats；3- elevating lever mounting seats；31- gag lever posts；4- lifting handles；41- plectrums；42- linkage boards；5- adjusts hand
Handle；51- isolations；52- linkage seats；521- necks；6- expansion links；7- connecting seats；71- piston fixed plates；72- limiting plates；73-
Articulated slab；8- seat support gas springs；9- buffer units；91- pull bars；92- springs；93- rotational handles.
Embodiment
Present embodiment is only explanation of the invention, is not that the present invention is limited.Those skilled in the art
Made any change after the specification of the present invention has been read, as long as within the scope of the claims, all will
Protected by Patent Law.
Embodiment 1：As shown in Figure 1 to Figure 3, a kind of improved chair tray, including be fixed on seat bottom pedestal 1,
The chair back fixed seat 2 of the fixed chair back and the elevating lever mounting seat 3 of connection chair leg, chair back fixed seat 2 is be hinged on the pedestal 1, pedestal 1
On be rotatably connected to regulation handle 5, be provided with expansion link 6 between pedestal 1 and chair back fixed seat 2, regulation handle 5 is flexible by controlling
The length of bar 6 adjusts the angle between pedestal 1 and chair back fixed seat 2.Elevating lever mounting seat 3 and pedestal 1 are split-type structural, are risen
It is be hinged on the pedestal 1 that bar mounting seat 3 drops.Elevating lever mounting seat 3 is provided with the lifting handle 4 for being used for controlling seat support to lift, lifting
Handle 4 is provided with plectrum 41, lifts seat support for stirring seat support gas spring switch.
As shown in figure 4, the both sides of pedestal 1 are respectively equipped with side plate 11, elevating lever mounting seat 3 is hinged on side by jointed shaft 12
On plate 11, the position on side plate 11 positioned at pedestal movable end is provided with limited block 13, for limiting the rotational angle of pedestal 1.Wherein
Side plate 11 positioned at the movable end side of lifting handle 4 is provided with positioning hole 111, and the side plate 11 of opposite side is provided with elongated slot 112, long
Groove 112 is the groove of wider width or the groove being unidirectionally open.Lifting handle 4 is connected with regulation handle 5, and lifting handle 4 is with adjusting
Section handle 5 can in axial direction move relative to pedestal 1.
As shown in Figure 3 and Figure 4, regulation handle 5 is provided with linkage seat 52, and linkage seat 52 is provided with the neck being unidirectionally open
521, lifting handle 4 is provided with linkage board 42, and linkage board 42 is plugged in neck 521, when regulation handle 5 in axial direction moves
When drive lifting handle 4 together move.Elevating lever mounting seat 3 is provided with gag lever post 31, makes linkage board 42 when lifting handle 4 rotates
When turning to the opening of neck 521, gag lever post 31 limits the rotational angle of lifting handle 4, linkage board 42 is kept with linkage seat 52
It is connected.
As shown in figure 5, one end of expansion link 6 is provided with connecting seat 7, connecting seat 7 is be hinged on the pedestal 1 by rotating shaft 14, its
Including piston fixed plate 71, the articulated slab for being separately positioned on the both sides of piston fixed plate 71 and being hinged in rotating shaft 14 73 and it is arranged on
Limiting plate 72 between piston fixed plate 71 and articulated slab 73.Regulation handle 5 is provided with the isolation that control expansion link 6 switchs
51, the interior movement between two pieces of articulated slabs 73 of isolation 51.
As depicted in figs. 1 and 2, buffer unit 9, including pull bar are provided between the movable end of elevating lever mounting seat 3 and pedestal 1
91st, spring 92 and rotational handle 93, on the pedestal 1, the other end passes through elevating lever mounting seat 3, with position for one end connection of pull bar 91
Rotational handle 93 in the outside of elevating lever mounting seat 3 is spirally connected, spring 92 be set on pull bar 91 and positioned at elevating lever mounting seat 3 with
Between rotational handle 93.
When adjusting back, isolation 51 is moved to the position of the switch of expansion link 6, connection of the lifting handle 4 in regulation handle 5
Dynamic lower movement, makes its movable end be plugged in positioning hole 111, and now elevating lever mounting seat 3 keeps being relatively fixed with pedestal 1, no
It can be rotated along jointed shaft 12.
When adjusting seat support, the movable end of lifting handle 4 removes out of positioning hole 111, the OQ t bar mounting seat of pedestal 1
3 are rotated along jointed shaft 12, and lifting handle 4 moves relative to pedestal 1 in elongated slot 112, and seat support is adjusted in which can enter line amplitude.This
When, regulation handle 5 moves under the linkage of lifting handle 4, and isolation 51 is moved to the institute of limiting plate 72 from the position of the switch of expansion link 6
Position, it is impossible to carry out the regulation of the chair back so that the chair back and seat support can not carry out the regulation of angle simultaneously, in order to avoid adjust simultaneously
Crank is caused to be tumbled.
Embodiment 2：As shown in fig. 6, difference from Example 1 is, buffer unit 9 is that both ends are connected to pedestal
1 with the elastic component of the movable end of elevating lever mounting seat 3, the elastic component is stage clip.
Claims (8)
1. a kind of improved chair tray, including pedestal（1）, chair back fixed seat（2）With elevating lever mounting seat（3）, the chair back
Fixed seat（2）It is hinged on pedestal（1）On, the pedestal（1）On be rotatably connected to regulation handle（5）, the pedestal（1）With the chair back
Fixed seat（2）Between be provided with expansion link（6）, the regulation handle（4）By controlling expansion link（6）Length adjusts pedestal（1）
With chair back fixed seat（2）Between angle；The elevating lever mounting seat（3）It is provided with and is used to control seat support gas spring switch to make chair
The lifting handle of seat lifting（4）, it is characterised in that：The pedestal（1）With elevating lever mounting seat（3）It is described for split-type structural
Elevating lever mounting seat（3）Pass through jointed shaft（12）It is hinged on pedestal（1）The side plate of both sides（11）On, and pedestal（1）OQ t
Bar mounting seat（3）Along jointed shaft（12）Rotate, the elevating lever mounting seat（3）Movable end and pedestal（1）Between be provided with buffering
Device（9）；The lifting handle（4）With regulation handle（5）It is connected, and the lifting handle（4）With regulation handle（5）
Can relative pedestal（1）In axial direction move, positioned at lifting handle（4）The side plate of movable end side（11）It is provided with positioning hole
（111）, when the regulation handle（5）Movement makes lifting handle（4）Movable end be located in positioning hole（111）When interior, the liter
Bar mounting seat drops（3）With pedestal（1）Holding is relatively fixed；With the positioning hole（111）The side plate of opposite side（11）It is provided with
Elongated slot（112）, when the lifting handle（5）Movable end from positioning hole（111）During interior removal, the pedestal（1）OQ t
Bar mounting seat（3）Along jointed shaft（12）Rotate, the lifting handle（5）With respect to pedestal（1）In elongated slot（112）Interior movement.
A kind of 2. improved chair tray according to claim 1, it is characterised in that：The regulation handle（5）It is provided with
Control expansion link（6）The isolation of switch（51）, when the isolation（51）It is moved to expansion link（6）During the position of switch, institute
State lifting handle（4）Movable end be plugged in positioning hole（111）It is interior, make elevating lever mounting seat（3）With pedestal（1）Keep relatively solid
It is fixed.
A kind of 3. improved chair tray according to claim 1, it is characterised in that：The side plate（11）It is provided with spacing
Block（13）, the limited block（13）Positioned at pedestal（1）The position of movable end, to limit pedestal（1）Rotational angle.
A kind of 4. improved chair tray according to claim 3, it is characterised in that：The regulation handle（5）It is provided with
Link seat（52）, the linkage seat（52）It is provided with the neck being unidirectionally open（521）, the lifting handle（4）It is provided with linkage
Plate（42）, the linkage board（42）It is plugged on neck（521）It is interior, when the regulation handle（5）Driven when in axial direction moving
Lifting handle（4）Together move.
A kind of 5. improved chair tray according to claim 4, it is characterised in that：The elevating lever mounting seat（3）On
Provided with gag lever post（31）, when the lifting handle（4）Rotation makes linkage board（42）Turn to neck（521）Opening when, the limit
Position bar（31）Limit lifting handle（4）Rotational angle, make linkage board（42）With the seat that links（52）Holding is connected.
A kind of 6. improved chair tray according to claim 5, it is characterised in that：The expansion link（6）One end set
There is connecting seat（7）, the connecting seat（7）Pass through rotating shaft（14）It is hinged on pedestal（1）On, it includes piston fixed plate（71）, point
Piston fixed plate is not arranged on（71）Both sides and it is hinged on rotating shaft（14）On articulated slab（73）Be arranged on piston fixed plate
（71）With articulated slab（73）Between limiting plate（72）.
A kind of 7. improved chair tray according to claim 1 or 6, it is characterised in that：The buffer unit（9）For two
End is connected to pedestal（1）With elevating lever mounting seat（3）Movable end elastic component.
A kind of 8. improved chair tray according to claim 7, it is characterised in that：The buffer unit（9）Including drawing
Bar（91）, spring（92）And rotational handle（93）, the pull bar（91）One end be connected to pedestal（1）On, the other end, which passes through, to be risen
Bar mounting seat drops（3）, and positioned at elevating lever mounting seat（3）The rotational handle in outside（93）It is spirally connected, the spring（92）It is set in
Pull bar（91）Go up and be located at elevating lever mounting seat（3）With rotational handle（93）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929613.8A CN105476315B (en) | 2015-12-15 | 2015-12-15 | A kind of improved chair tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929613.8A CN105476315B (en) | 2015-12-15 | 2015-12-15 | A kind of improved chair tray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105476315A CN105476315A (en) | 2016-04-13 |
| CN105476315B true CN105476315B (en) | 2018-03-23 |
Family
ID=55663874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510929613.8A Active CN105476315B (en) | 2015-12-15 | 2015-12-15 | A kind of improved chair tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105476315B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812793B (en) * | 2021-09-10 | 2023-12-26 | 恒林家居股份有限公司 | Chair |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006136437A (en) * | 2004-11-11 | 2006-06-01 | Okamura Corp | Lever device for chair and chair including the same |
| CN201282855Y (en) * | 2008-08-29 | 2009-08-05 | 卢伟祺 | Chair base plate |
| CN202588948U (en) * | 2012-05-16 | 2012-12-12 | 陈千奎 | Chair tray with adjustable chair back angle |
| CN202919592U (en) * | 2012-11-21 | 2013-05-08 | 杭州中泰实业集团有限公司 | Coaxial locking and lifting adjustment swivel chair pallet |
| WO2014036633A1 (en) * | 2012-09-05 | 2014-03-13 | Jamshed Unwalla | Chair with adjustable backrest and seat |
| CN203555394U (en) * | 2013-09-24 | 2014-04-23 | 浙江永艺家具股份有限公司 | Elastic reset device for swivel chair base plate |
| CN204181246U (en) * | 2013-09-24 | 2015-03-04 | 浙江永艺家具股份有限公司 | A kind of Revolving chair chassis |
| CN105124956A (en) * | 2015-10-20 | 2015-12-09 | 浙江安吉祥泰家具有限公司 | Novel leisure chair |
| CN205390876U (en) * | 2015-12-15 | 2016-07-27 | 浙江安吉祥泰家具有限公司 | Modified chair tray |
-
2015
- 2015-12-15 CN CN201510929613.8A patent/CN105476315B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006136437A (en) * | 2004-11-11 | 2006-06-01 | Okamura Corp | Lever device for chair and chair including the same |
| CN201282855Y (en) * | 2008-08-29 | 2009-08-05 | 卢伟祺 | Chair base plate |
| CN202588948U (en) * | 2012-05-16 | 2012-12-12 | 陈千奎 | Chair tray with adjustable chair back angle |
| WO2014036633A1 (en) * | 2012-09-05 | 2014-03-13 | Jamshed Unwalla | Chair with adjustable backrest and seat |
| CN202919592U (en) * | 2012-11-21 | 2013-05-08 | 杭州中泰实业集团有限公司 | Coaxial locking and lifting adjustment swivel chair pallet |
| CN203555394U (en) * | 2013-09-24 | 2014-04-23 | 浙江永艺家具股份有限公司 | Elastic reset device for swivel chair base plate |
| CN204181246U (en) * | 2013-09-24 | 2015-03-04 | 浙江永艺家具股份有限公司 | A kind of Revolving chair chassis |
| CN105124956A (en) * | 2015-10-20 | 2015-12-09 | 浙江安吉祥泰家具有限公司 | Novel leisure chair |
| CN205390876U (en) * | 2015-12-15 | 2016-07-27 | 浙江安吉祥泰家具有限公司 | Modified chair tray |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105476315A (en) | 2016-04-13 |
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