CN205390876U - Modified chair tray - Google Patents
Modified chair tray Download PDFInfo
- Publication number
- CN205390876U CN205390876U CN201521039528.6U CN201521039528U CN205390876U CN 205390876 U CN205390876 U CN 205390876U CN 201521039528 U CN201521039528 U CN 201521039528U CN 205390876 U CN205390876 U CN 205390876U
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- CN
- China
- Prior art keywords
- pedestal
- seat
- handle
- chair
- mounting seat
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- Expired - Fee Related
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Abstract
The utility model relates to a chair technical field especially relates to a modified chair tray, chair tray structure, the flatness detection apparatus comprises a pedestal, back of the chair fixing base and lifter mount pad, back of the chair holder hinged is on the bed frame, it is connected with adjustment handle to rotate on the bed frame, be equipped with on the lifter mount pad and be used for controlling the lifting handle that the seat support goes up and down, the lifter mount pad passes through the articulated shaft and articulates on the bed frame, lifting handle is connected with the adjustment handle linkage, and the relative bed frame with the adjustment handle homoenergetic of lifting handle removes along axial direction, when adjustment handle removal messenger lifting handle's both ends are worn to establish in the locating hole, the lifter mount pad keeps relatively fixed with the bed frame. The utility model discloses the angle that the seat support can be adjusted again to the angle that can adjust the back of the chair can adapt to the position of sitting that the user is different, improves the comfort level of seat, and stability is good simultaneously, factor of safety is high, makes the position that can fix the seat support adjusting back of the chair angle, prevents that back of the chair angle is too big and leads to user's focus to change and produce and tumble.
Description
Technical field
This utility model relates to chair technology field, particularly relates to the chair tray of a kind of improvement.
Background technology
Chair structure on market is various, the wherein seat of adjustable chair back angles, with the posture that it is comfortable, receive the favor of increasing consumer, this seat lain down relies primarily on the rotation connection structure between the pallet of fixing chair base and the chair back fixed mount of the fixing chair chair back and retaining mechanism to realize the function at its lie down chair back and adjusting back angle of inclination, and torsion spring would generally be installed in the rotating shaft of chair back fixed mount, torsion spring produces certain bounce-back moment of torsion in the process rotated, thus allowing user in the process lain down, the chair back can be given and certain back support, and after unclamping retaining mechanism, torsion spring can also allow the chair back automatically recover vertical state.
Such as: application number is a kind of chair tray described in the Chinese utility model patent of 200620107759.0, including seat bracket, bearing support, back rest, post adjustment handle and column installing hole, seat bracket connects by being connected axle with bearing support, seat bracket is connected by connecting pin with back rest, governor motion it is provided with between seat bracket and the front portion of bearing support, governor motion is to install fixing voussoir at the anterior of bearing support, mobile voussoir with the front lower portion being mounted to seat bracket that fixing voussoir inclined-plane matches, it is installed on the anterior screw rod regulating handle of seat bracket coordinate with mobile voussoir and be penetratingly installed on the two sides of seat bracket, the interior both sides of seat bracket are provided with bearing pin and are positioned by screw rod.It is disadvantageously, this chair tray is merely able to receive the angle of regulating seat cushion, and can not be automatically adjusted angle with different sitting postures.
Utility model content
This utility model to solve above-mentioned technical problem, thus providing a kind of chair tray structure, can either adjusting back angle, the front and rear angles of seat support can be regulated again, adapt to different sitting postures, automatically lock the carefree function of chair when adjusting angle of back-rest, it is to avoid because seat support tilts to make crank cause tumbling simultaneously.
The technical scheme that this utility model solves the problems referred to above is as follows: the chair tray of a kind of improvement, including pedestal, the fixing seat of the chair back and elevating lever mounting seat, the fixing seat of the described chair back is hinged on pedestal, described pedestal is rotatably connected to adjustment handle, being provided with expansion link between described pedestal and the fixing seat of the chair back, described adjustment handle regulates the angle between pedestal and the fixing seat of the chair back by controlling length of telescopic bar；Described elevating lever mounting seat is provided with the lifting handle making seat support lift for controlling seat support air spring to switch, described pedestal and elevating lever mounting seat are split-type structural, described elevating lever mounting seat is hinged on the side plate of pedestal both sides by jointed shaft, and pedestal OQ t bar mounting seat rotates along jointed shaft, between movable end and the pedestal of described elevating lever mounting seat, it is provided with buffer unit；Described lifting handle is connected with regulating handle, and described lifting handle all in axial direction can move relative to pedestal with regulating handle, the side plate being positioned at lifting handle movable end side is provided with hole, location, when described adjustment handle move make the movable end of lifting handle be located in hole, location time, described elevating lever mounting seat and pedestal keep being relatively fixed.
This utility model is hinged by pedestal and elevating lever mounting seat, make seat support can carry out the swing that front and back are small size, it is achieved carefree function, available buffer device is set between the movable end and pedestal of elevating lever mounting seat, cushioning effect is played so that it is steadily, swing lentamente when user；By arranging lifting handle, according to user needs, it is possible to control elevating lever mounting seat and be relatively fixed with pedestal or rotate, seat support OQ t bar is made to keep stationary state or rotary state；Simultaneously in order to ensure stablizing of seat, adjustment handle and lifting handle is made to be connected, when carrying out angle of back-rest and regulating, the mobile handle that regulates makes triggering sheet move the position to expansion link switch, when now the two ends of lifting handle are all plugged in hole, location, the carefree function of chair is locked, and makes elevating lever mounting seat and pedestal keep fixing, it is prevented that to tumble because of user mass centre changing.
As preferably, described adjustment handle is provided with the triggering sheet controlling expansion link switch, and when described triggering sheet moves the position to expansion link switch, the movable end of described lifting handle is plugged in hole, location, makes elevating lever mounting seat and pedestal keep being relatively fixed.
As preferably, being provided with elongated slot with the side plate of hole, described location opposite side, when the movable end of described lifting handle is from removal in hole, location, described pedestal OQ t bar mounting seat rotates along jointed shaft, and described lifting handle moves in elongated slot relative to pedestal.
As preferably, described side plate is provided with limited block, and described limited block is positioned at the position of pedestal movable end, in order to limit the rotational angle of pedestal.
As preferably, described adjustment handle is provided with linkage seat, and described linkage seat is provided with the draw-in groove of unidirectional opening, and described lifting handle is provided with linkage board, described linkage board is plugged in draw-in groove, drives lifting handle together to move when described adjustment handle in axial direction moves.
As preferably, described elevating lever mounting seat is provided with gag lever post, when the rotation of described lifting handle makes the opening that linkage board turns to draw-in groove, and the rotational angle of described gag lever post restriction lifting handle, make linkage board keep being connected with linkage seat.
As preferably, one end of described expansion link is provided with connection seat, described connection seat is hinged on pedestal by rotating shaft, and it includes the fixing plate of piston, is separately positioned on the fixing plate both sides of piston and the articulated slab being hinged in rotating shaft and is arranged on the fixing limiting plate between plate and articulated slab of piston.
As preferably, described buffer unit is the elastic component that two ends are connected to pedestal and the movable end of elevating lever mounting seat.
As preferably, described buffer unit includes pull bar, spring and turning handle, one end of described pull bar is connected on pedestal, other end traverse elevating lever mounting seat, being spirally connected with the turning handle being positioned at outside elevating lever mounting seat, described spring housing is located on pull bar and between elevating lever mounting seat and turning handle.
This utility model has the advantages that this utility model the angle of adjusting back can regulate again the angle of seat support, can adapt to the sitting posture that user is different, improve the comfort level of seat, Simultaneous Stabilization is good, safety coefficient is high, automatically the carefree function of chair is locked when adjusting back angle, when opening carefree function, the chair back cannot be carried out angular adjustment, prevent from spending big at adjustment chair back hour angle and causing that user mass centre changing produces to tumble, substantially increase stability and the safety of seat.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1；
Fig. 2 is the sectional view of this utility model embodiment 1；
Fig. 3 is the structural representation of elevating lever mounting seat in this utility model embodiment 1；
Fig. 4 is the structural representation of pedestal in this utility model embodiment 1；
Fig. 5 is the structural representation connecting seat in this utility model embodiment 1；
Fig. 6 is the structural representation of this utility model embodiment 2；
In figure, 1-pedestal；11-side plate；111-positions hole；112-elongated slot；12-jointed shaft；13-limited block；14-rotating shaft；The 2-chair back fixes seat；3-elevating lever mounting seat；31-gag lever post；4-lifting handle；41-plectrum；42-linkage board；5-regulates handle；51-triggers sheet；52-links seat；521-draw-in groove；6-expansion link；7-connects seat；71-piston fixes plate；72-limiting plate；73-articulated slab；8-seat support air spring；9-buffer unit；91-pull bar；92-spring；93-turning handle.
Detailed description of the invention
This detailed description of the invention is only to explanation of the present utility model, is not that this utility model is limited.Any change that those skilled in the art are done after having read description of the present utility model, as long as in the protection domain of claims, is all subjected to the protection of Patent Law.
Embodiment 1: as shown in Figure 1 to Figure 3, a kind of chair tray of improvement, including being fixed on the pedestal 1 of seat bottom, fixing the fixing seat 2 of the chair back of the chair back and connect the elevating lever mounting seat 3 of chair foot, the fixing seat 2 of the chair back is hinged on the pedestal 1, pedestal 1 is rotatably connected to adjustment handle 5, it is provided with expansion link 6 between pedestal 1 and the fixing seat 2 of the chair back, regulates handle 5 by controlling expansion link 6 length and regulate the angle between pedestal 1 and the fixing seat 2 of the chair back.Elevating lever mounting seat 3 and pedestal 1 are split-type structural, and elevating lever mounting seat 3 is hinged on the pedestal 1.Elevating lever mounting seat 3 is provided with the lifting handle 4 for controlling seat support lifting, and lifting handle 4 is provided with plectrum 41, is used for stirring seat support air spring switch and makes seat support lift.
As shown in Figure 4, pedestal 1 be respectively provided on two sides with side plate 11, elevating lever mounting seat 3 is hinged on side plate 11 by jointed shaft 12, and the position that side plate 11 is positioned at pedestal movable end is provided with limited block 13, for limiting the rotational angle of pedestal 1.Wherein being positioned at the side plate 11 of lifting handle 4 movable end side and be provided with hole 111, location, the side plate 11 of opposite side is provided with elongated slot 112, and elongated slot 112 is the groove of the groove of wider width or unidirectional opening.Lifting handle 4 is connected with regulating handle 5, and lifting handle 4 all in axial direction can move relative to pedestal 1 with regulating handle 5.
As shown in Figure 3 and Figure 4, regulating handle 5 and be provided with linkage seat 52, linkage seat 52 is provided with the draw-in groove 521 of unidirectional opening, and lifting handle 4 is provided with linkage board 42, linkage board 42 is plugged in draw-in groove 521, drives lifting handle 4 together to move when regulating handle 5 and in axial direction moving.Elevating lever mounting seat 3 is provided with gag lever post 31, and when lifting handle 4 rotation makes the opening that linkage board 42 turns to draw-in groove 521, gag lever post 31 limits the rotational angle of lifting handle 4, makes linkage board 42 keep being connected with linkage seat 52.
As shown in Figure 5, one end of expansion link 6 is provided with connection seat 7, connecting seat 7 hinged on the pedestal 1 by rotating shaft 14, it includes the fixing plate 71 of piston, is separately positioned on fixing plate 71 both sides of piston and the articulated slab 73 being hinged in rotating shaft 14 and is arranged on the fixing limiting plate 72 between plate 71 and articulated slab 73 of piston.Regulate handle 5 be provided with control expansion link 6 switch triggering sheet 51, trigger sheet 51 between two pieces of articulated slabs 73 in move.
As depicted in figs. 1 and 2, it is provided with buffer unit 9 between movable end and the pedestal 1 of elevating lever mounting seat 3, including pull bar 91, spring 92 and turning handle 93, one end of pull bar 91 connects on the pedestal 1, other end traverse elevating lever mounting seat 3, being spirally connected with the turning handle 93 being positioned at outside elevating lever mounting seat 3, spring 92 is set on pull bar 91 and between elevating lever mounting seat 3 and turning handle 93.
When adjusting back, triggering sheet 51 and move the position to expansion link 6 switch, lifting handle 4 moves under the linkage regulating handle 5 so that it is movable end is plugged in hole 111, location, now elevating lever mounting seat 3 and pedestal 1 keep being relatively fixed, it is impossible to rotate along jointed shaft 12.
When regulating seat support, the movable end of lifting handle 4 is from removal in hole, location 111, and pedestal 1 OQ t bar mounting seat 3 rotates along jointed shaft 12, and lifting handle 4 moves in elongated slot 112 relative to pedestal 1, and seat support regulates with can carrying out amplitude.Now, regulate handle 5 to move under the linkage of lifting handle 4, trigger sheet 51 and move the position to limiting plate 72 place from expansion link 6 position of the switch, it is impossible to carry out the adjustment of the chair back, make the chair back and seat support can not carry out the adjustment of angle simultaneously, cause that crank is tumbled in order to avoid regulate simultaneously.
Embodiment 2: as shown in Figure 6, difference from Example 1 is in that, buffer unit 9 is connected to the elastic component of pedestal 1 and the movable end of elevating lever mounting seat 3 for two ends, and this elastic component is stage clip.
Claims (9)
1. the chair tray improved, including pedestal (1), the fixing seat (2) of the chair back and elevating lever mounting seat (3), the described chair back is fixed seat (2) and is hinged on pedestal (1), described pedestal (1) is rotatably connected to adjustment handle (5), being provided with expansion link (6) between described pedestal (1) and the fixing seat (2) of the chair back, described adjustment handle (5) regulates the angle between pedestal (1) and the fixing seat (2) of the chair back by controlling expansion link (6) length；Described elevating lever mounting seat (3) is provided with the lifting handle (4) making seat support lift for controlling seat support air spring to switch, it is characterized in that: described pedestal (1) and elevating lever mounting seat (3) are split-type structural, described elevating lever mounting seat (3) is hinged on the side plate (11) of pedestal (1) both sides by jointed shaft (12), and pedestal (1) OQ t bar mounting seat (3) rotates along jointed shaft (12), between movable end and the pedestal (1) of described elevating lever mounting seat (3), it is provided with buffer unit (9)；Described lifting handle (4) is connected with regulating handle (5), and described lifting handle (4) all in axial direction can move relative to pedestal (1) with regulating handle (5), the side plate (11) being positioned at lifting handle (4) movable end side is provided with hole, location (111), when the movement of described adjustment handle (5) makes the movable end of lifting handle (4) be located in hole, location (111), described elevating lever mounting seat (3) and pedestal (1) keep being relatively fixed.
2. the chair tray of a kind of improvement according to claim 1, it is characterized in that: described adjustment handle (5) is provided with and controls the triggering sheet (51) that expansion link (6) switchs, when described triggering sheet (51) is moved to the position that expansion link (6) switchs, the movable end of described lifting handle (4) is plugged in hole, location (111), makes elevating lever mounting seat (3) and pedestal (1) keep being relatively fixed.
3. the chair tray of a kind of improvement according to claim 1 and 2, it is characterized in that: be provided with elongated slot (112) with the side plate (11) of hole, described location (111) opposite side, when the movable end of described lifting handle (5) is from removal in hole, location (111), described pedestal (1) OQ t bar mounting seat (3) rotates along jointed shaft (12), and described lifting handle (5) moves in elongated slot (112) relative to pedestal (1).
4. the chair tray of a kind of improvement according to claim 3, it is characterised in that: described side plate (11) is provided with limited block (13), and described limited block (13) is positioned at the position of pedestal (1) movable end, in order to limit the rotational angle of pedestal (1).
5. the chair tray of a kind of improvement according to claim 4, it is characterized in that: described adjustment handle (5) is provided with linkage seat (52), described linkage seat (52) is provided with the draw-in groove (521) of unidirectional opening, described lifting handle (4) is provided with linkage board (42), described linkage board (42) is plugged in draw-in groove (521), drives lifting handle (4) together to move when described adjustment handle (5) is in axial direction moved.
6. the chair tray of a kind of improvement according to claim 5, it is characterized in that: described elevating lever mounting seat (3) is provided with gag lever post (31), when described lifting handle (4) rotation makes the opening that linkage board (42) turns to draw-in groove (521), the rotational angle of described gag lever post (31) restriction lifting handle (4), makes linkage board (42) and linkage seat (52) keep being connected.
7. the chair tray of a kind of improvement according to claim 6, it is characterized in that: one end of described expansion link (6) is provided with connection seat (7), described connection seat (7) is hinged on pedestal (1) by rotating shaft (14), and it includes the fixing plate (71) of piston, is separately positioned on fixing plate (71) both sides of piston and the articulated slab (73) being hinged in rotating shaft (14) and is arranged on the fixing limiting plate (72) between plate (71) and articulated slab (73) of piston.
8. the chair tray of a kind of improvement according to claim 1 or 7, it is characterised in that: described buffer unit (9) is connected to the elastic component of pedestal (1) and the movable end of elevating lever mounting seat (3) for two ends.
9. the chair tray of a kind of improvement according to claim 1 or 7, it is characterized in that: described buffer unit (9) includes pull bar (91), spring (92) and turning handle (93), one end of described pull bar (91) is connected on pedestal (1), other end traverse elevating lever mounting seat (3), being spirally connected with the turning handle (93) being positioned at elevating lever mounting seat (3) outside, described spring (92) is set in pull bar (91) and above and is positioned between elevating lever mounting seat (3) and turning handle (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039528.6U CN205390876U (en) | 2015-12-15 | 2015-12-15 | Modified chair tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039528.6U CN205390876U (en) | 2015-12-15 | 2015-12-15 | Modified chair tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205390876U true CN205390876U (en) | 2016-07-27 |
Family
ID=56449384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521039528.6U Expired - Fee Related CN205390876U (en) | 2015-12-15 | 2015-12-15 | Modified chair tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205390876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476315A (en) * | 2015-12-15 | 2016-04-13 | 浙江安吉祥泰家具有限公司 | Improved chair tray |
-
2015
- 2015-12-15 CN CN201521039528.6U patent/CN205390876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476315A (en) * | 2015-12-15 | 2016-04-13 | 浙江安吉祥泰家具有限公司 | Improved chair tray |
| CN105476315B (en) * | 2015-12-15 | 2018-03-23 | 浙江安吉祥泰家具有限公司 | A kind of improved chair tray |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20161215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |