CN205267564U - Chair tray suitable for different position of sittings - Google Patents
Chair tray suitable for different position of sittings Download PDFInfo
- Publication number
- CN205267564U CN205267564U CN201521039302.6U CN201521039302U CN205267564U CN 205267564 U CN205267564 U CN 205267564U CN 201521039302 U CN201521039302 U CN 201521039302U CN 205267564 U CN205267564 U CN 205267564U
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- CN
- China
- Prior art keywords
- pedestal
- seat
- chair
- mounting seat
- applicable
- 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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Abstract
The utility model relates to a chair technical field especially relates to a chair tray suitable for different position of sittings, including fixing at the bed frame of seat support bottom, articulating the back of the chair fixing base on the bed frame and be used for adjusting the adjustment mechanism of bed frame and back of the chair fixing base contained angle, bed frame and lifter mount pad are split type structure, the lifter mount pad passes through the articulated shaft and articulates on the curb plate of bed frame both sides, just the bed frame rotates along the relative lifter mount pad of articulated shaft, be equipped with buffer between the expansion end of lifter mount pad and 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, position of sitting that can be different according to the user, front and back the angle of carrying on adjusting the seat support in by a small margin ground improves the comfort level of seat, have stable good, the comfort level is high, simple structure, convenient operation, the batch production's of being convenient for advantage.
Description
Technical field
This utility model relates to chair technology field, particularly relates to a kind of chair tray being applicable to different sitting posture.
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 being applicable to different sitting posture, it is possible to according to the sitting posture that user is different, regulate the front and rear angles of seat support by a small margin, improve the comfort level of seat.
The technical scheme that this utility model solves the problems referred to above is as follows: a kind of chair tray being applicable to different sitting posture, including the pedestal being fixed on seat bottom, the fixing seat of the chair back being articulated with on pedestal and the governor motion fixing seat angle for regulating pedestal and the chair back, 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 described pedestal rotates along jointed shaft OQ t bar mounting seat, between movable end and the pedestal of described elevating lever mounting seat, it is provided with buffer unit.
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.
The collapsing length of spring is regulated, thus adjusting the amplitude of fluctuation of seat support by turning handle.
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 elevating lever mounting seat is provided with lifting handle, and described lifting handle is provided with the plectrum making seat support lift for stirring seat support air spring to switch.
As preferably, described side plate is provided with elongated slot, and when described pedestal OQ t bar mounting seat rotates along jointed shaft, described lifting handle moves in elongated slot.
As preferably, described elongated slot is arcuate groove.
As preferably, described governor motion includes expansion link and regulates handle, and the two ends of described expansion link are respectively hinged on pedestal and the fixing seat of the chair back, and described adjustment handle is rotatably connected on pedestal, and described adjustment handle is provided with the triggering sheet controlling expansion link switch.
As preferably, described expansion link and the chair back fix the hinged place of seat in the vertical lower than the hinged place of expansion link Yu pedestal.
As preferably, one end of described expansion link is provided with connection seat, described connection seat is hinged on pedestal, described connection seat includes the fixing plate of piston, is fixedly arranged on the fixing plate both sides of piston and is articulated with the articulated slab of pedestal respectively, described expansion link switch through the fixing plate of described piston two pieces of articulated slabs.
This utility model has the advantages that this utility model can swing by a small margin with the health of user, regulate the front and rear angles of seat support, realize carefree function, it is provided with buffer unit simultaneously, seat support is made to swing steadily, improve seat comfort level, have good stability, comfort level height, simple in construction, easy to operate, be easy to produce in batches advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1;
Fig. 2 is the knot sectional view of this utility model embodiment 1;
Fig. 3 is the structural representation of pedestal in this utility model embodiment 1;
Fig. 4 is the structural representation connecting seat in this utility model embodiment 1;
Fig. 5 is the structural representation of this utility model embodiment 2;
In figure, 1-pedestal; 11-side plate; 111-elongated slot; 12-jointed shaft; 13-limited block; The 2-chair back fixes seat; 3-elevating lever mounting seat; 31-gag lever post; 4-lifting handle; 41-plectrum; 5-regulates hands handle; 41-triggers sheet; 6-expansion link; 7-connects seat; 71-piston rod fixes plate; 72-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 being applicable to different sitting posture, including pedestal 1, the fixing seat 2 of the chair back and elevating lever mounting seat 3, the fixing seat 2 of the chair back is hinged on the pedestal 1, pedestal 1 is rotatably connected to adjustment handle 5, being provided with expansion link 6 between pedestal 1 and the fixing seat 2 of the chair back, the two ends of expansion link 6 are respectively articulated with on the pedestal 1 with on the fixing seat 2 of the chair back, and expansion link 6 and the chair back fix the hinged place of seat 2 in the vertical lower than the hinged place of expansion link 6 with pedestal 1. Regulate handle 5 and regulate the angle between pedestal 1 and the fixing seat 2 of the chair back by controlling expansion link 6 length.
As shown in Figure 4, one end of expansion link 6 is provided with connection seat 7, connect seat 7 hinged on the pedestal 1, connecting seat 7 to include the fixing plate 71 of piston, be fixedly arranged on fixing plate 71 both sides of piston and be articulated with the articulated slab 72 of pedestal 1 respectively, expansion link 6 switchs through the fixing plate 71 of piston two pieces of articulated slabs 72.
As shown in Figures 2 and 3, pedestal 1 and elevating lever mounting seat 3 are split-type structural, elevating lever mounting seat 3 is hinged on the side plate 11 of pedestal 1 both sides by jointed shaft 12, pedestal 1 installs 3 rotations along jointed shaft 12 OQ t bar, elevating lever mounting seat 3 is provided with lifting handle 4, and lifting handle 4 is provided with the plectrum 41 making seat support lift for stirring seat support air spring 8 to switch. Side plate 11 is provided with limited block 13, and limited block 13 is positioned at the position of pedestal 1 movable end, in order to limit the rotational angle of pedestal 1. Side plate 11 is provided with elongated slot 111, and elongated slot 111 is arcuate groove. When pedestal 1 OQ t bar mounting seat 3 rotates along jointed shaft 12, lifting handle 4 is mobile in elongated slot 111.
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.
Embodiment 2: as it is shown in figure 5, be different in that with embodiment, 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 (10)
1. the chair tray being applicable to different sitting posture, including the pedestal (1) being fixed on seat bottom, it is articulated with the fixing seat (2) of the chair back on pedestal (1) and is used for the governor motion regulating pedestal (1) with fixing seat (2) angle of the chair back, 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 described pedestal (1) rotates along jointed shaft (12) OQ t bar mounting seat (3), it is provided with buffer unit (9) between movable end and the pedestal (1) of described elevating lever mounting seat (3).
2. a kind of chair tray being applicable to different sitting posture according to claim 1, 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.
3. a kind of chair tray being applicable to different sitting posture according to claim 1, 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).
4. a kind of chair tray being applicable to different sitting posture according to Claims 2 or 3, it is characterized in that: described side plate (11) is provided with limited block (13), 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. a kind of chair tray being applicable to different sitting posture according to claim 4, it is characterized in that: described elevating lever mounting seat (3) is provided with lifting handle (4), described lifting handle (4) is provided with the plectrum (41) making seat support lift for stirring seat support air spring to switch.
6. a kind of chair tray being applicable to different sitting posture according to claim 5, it is characterized in that: described side plate (11) is provided with elongated slot (111), when described pedestal (1) OQ t bar mounting seat (3) rotates along jointed shaft (12), described lifting handle (4) is mobile in elongated slot (111).
7. a kind of chair tray being applicable to different sitting posture according to claim 6, it is characterised in that: described elongated slot (111) is arcuate groove.
8. a kind of chair tray being applicable to different sitting posture according to claim 1 or 6 or 7, it is characterized in that: described governor motion includes expansion link (6) and regulates handle (5), the two ends of described expansion link (6) are respectively hinged on pedestal (1) and the fixing seat (2) of the chair back, described adjustment handle (5) is rotatably connected on pedestal (1), and described adjustment handle (5) is provided with and controls the triggering sheet (51) that expansion link (6) switchs.
9. a kind of chair tray being applicable to different sitting posture according to claim 8, it is characterised in that: described expansion link (6) and the chair back fix the hinged place of seat (2) in the vertical lower than the hinged place of expansion link (6) Yu pedestal (1).
10. a kind of chair tray being applicable to different sitting posture according to claim 9, 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), described connection seat (7) includes the fixing plate (71) of piston, is fixedly arranged on fixing plate (71) both sides of piston and is articulated with the articulated slab (72) of pedestal (1) respectively, and described expansion link (6) switch is positioned at two pieces of articulated slabs (72) through the fixing plate (71) of described piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039302.6U CN205267564U (en) | 2015-12-15 | 2015-12-15 | Chair tray suitable for different position of sittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039302.6U CN205267564U (en) | 2015-12-15 | 2015-12-15 | Chair tray suitable for different position of sittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205267564U true CN205267564U (en) | 2016-06-01 |
Family
ID=56052206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521039302.6U Expired - Fee Related CN205267564U (en) | 2015-12-15 | 2015-12-15 | Chair tray suitable for different position of sittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205267564U (en) |
-
2015
- 2015-12-15 CN CN201521039302.6U patent/CN205267564U/en not_active Expired - Fee Related
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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: 20160601 Termination date: 20161215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |