CN2868013Y - Hypsokinesis regulating device for chair back - Google Patents
Hypsokinesis regulating device for chair back Download PDFInfo
- Publication number
- CN2868013Y CN2868013Y CN 200620053668 CN200620053668U CN2868013Y CN 2868013 Y CN2868013 Y CN 2868013Y CN 200620053668 CN200620053668 CN 200620053668 CN 200620053668 U CN200620053668 U CN 200620053668U CN 2868013 Y CN2868013 Y CN 2868013Y
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- CN
- China
- Prior art keywords
- hinged
- positioning seat
- bearing
- support bar
- adjusting device
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an inclination regulation device for backrest of chair. A backrest is disposed on a seat pad and connected with pedestal of the seat pad, the pedestal is disposed on a tiltable elastic support frame, and a multi-step regulating mechanism is disposed in the elastic support frame. The tiltable elastic support frame includes a positioning seat connected with chair legs, front and back sides of the positioning seat are respectively connected with an elastic support plate, middle part of the pedestal is hinged with a support rod disposed in the positioning seat, front end of the pedestal is hinged with the elastic support plate, middle part of the pedestal is hinged with a support rocker arm, and the other end of the support rocker arm is hinged with the elastic support plate. The pedestal is n-shaped structure, front left and front right sides of the pedestal are respectively hinged with the elastic support plate, middle left and middle right sides of the pedestal are respectively hinged with the arch-shaped support rocker arm on its lateral side, the other end of the support rocker arm is hinged with the elastic support plate. The utility model has advantages of simple and reasonable structure, low manufacture cost, and flexible and convenient operation.
Description
Technical field
The utility model relates to a kind of chair, particularly a kind of back layback adjusting device.
Background technology
Most back is a fixed structure, angle that can not the regulated at will backrest, also there are some backs can carry out angular adjustment, as disclosing a kind of fixed back angle self-checking device with lock among the Chinese patent ZL99234241.4, has the chair stand, seat board and backrest backrest lower end and seat board flexibly connect, the middle and lower part on backrest both sides and chair stand flexibly connect, chair stand below the seat board is provided with fixed sleeving, the seat board of present front edge of board below is provided with motion bar, motion bar one end is drilled with row's lock hole, and one that is drilled with lock hole is stretched in the fixed sleeving; On the tube wall of fixed sleeving tail end, be drilled with one and the corresponding pin hole of lock hole; The fixed sleeving at pin hole place is provided with spring socket sleeve, and spring is set in the spring socket sleeve, at spring center one movable latch is set, and an end of movable latch is a small column, stretches in the pin hole, and the other end connects a driving lever.The back angle self-checking device of this kind structure can carry out angular adjustment to a certain extent, but its structure is quite complicated, and it is the also suitable trouble of operation of backrest angle and release backrest fixedly, makes the user not too satisfied.
The utility model content
The purpose of this utility model be to provide a kind of simple and reasonable, cost of manufacture is low, the back of flexible and convenient operation layback adjusting device, to overcome weak point of the prior art.
A kind of back layback adjusting device by this purpose design, comprise and being arranged on the chair cushion, with the back that the bearing that supports chair cushion joins, its architectural feature is that bearing is arranged on the deflectable flexible supporting frames, is provided with many grades of governor motions in the flexible supporting frames.
Above-mentioned deflectable flexible supporting frames comprises the positioning seat that joins with the chair leg, join with elastic supporting plate respectively before and after this positioning seat, the bearing middle part is hinged with the support bar that is arranged in the positioning seat, bearing front end and elastic supporting plate are hinged, the bearing middle part is hinged with the support rocking arm, and it is hinged to support the rocking arm other end and elastic supporting plate.
Above-mentioned bearing is the n font structure, and the bearing front end left and right sides is hinged with elastic supporting plate respectively, and the left and right sides, bearing middle part is hinged with the support rocking arm of the arcuate structure that is arranged on its side respectively, and it is hinged to support the rocking arm other end and elastic supporting plate.
Be provided with the third gear governor motion in the above-mentioned flexible supporting frames, this mechanism comprises the positioning seat that joins with the chair leg, be provided with the support bar hinged in the positioning seat with bearing, support bar and the axial socket of a pivoted housing, support bar and pivoted housing are arranged in the positioning seat by locating shaft, be respectively arranged with the gib head and the crimp head that are used for the deflection location on support bar and the pivoted housing, with this gib head and the corresponding block that is arranged in the positioning seat of crimp head, what block slided is arranged in the positioning seat, its top is provided with the locating aperture groove that cooperates with gib head and crimp head, and this block and one or three gear regulators join.
Above-mentioned pivoted housing docks with support bar by the alignment pin that is arranged on the center, is filled with fine and close rubber layer between alignment pin and the pivoted housing body.
Above-mentioned pivoted housing is positioned at crimp head below and is provided with grab, and support bar clamps the inclined-plane, location to should grab being provided with; Grab is crimped on and clamps on the inclined-plane, location.
The corresponding pivoted housing outward flange in above-mentioned support bar side is provided with the arc faying face.
Above-mentioned block is chevron shaped or the L font structure, and its end end face place up is provided with the locating aperture groove, stop bottom be respectively arranged with locating hole and, block is arranged in the positioning seat by alignment pin and slip.
Above-mentioned block is provided with locating slot or locating hole, and the stay cable end in three gear regulators is arranged in locating slot or the locating hole, and drag-line is arranged on the positioning seat by a stop collar, is provided with a compression spring between stop collar and the block.
Three above-mentioned gear regulators are arranged on the bearing.
When the utility model used, the user can directly be sitting in the adjustment of carrying out backrest angle on the chair.When needs increase the layback angle, rotate the knob of three gear regulators, drag-line elongation in three gear regulators, block is promoted to opposite side under the effect that is sheathed on the compression spring on the drag-line, and the amount of promotion is directly related with the drag-line elongation.The locating aperture groove on block top constitutes three diverse locations just and between support bar gib head and the pivoted housing crimp head, because back joins with the bearing that supports chair cushion, the support bar that props up in toilet and the chair positioning seat is hinged, when the user presses back backward, bearing deflects, and is crimped on the locating aperture groove on block top until support bar gib head or pivoted housing crimp head, and bearing stops deflection, the elastic supporting plate that joins with bearing produces distortion, with the bearing after the cooperation deflection.When sit straight health or when chair was stood up, bearing recovered original state under the effect of elastic supporting plate of user, backrest restores naturally.
The utility model is owing to adopt three gear regulators, so back has three kinds of layback angles to select, if when the user needs many grades of adjustings, can adopt other many gear regulators.
The utility model is simple and reasonable, cost of manufacture is low, flexible and convenient operation.
Description of drawings
Fig. 1 is the utility model one embodiment assembly structure schematic diagram;
Fig. 2 is the first operating position partial structurtes schematic diagram in the positioning seat;
Fig. 3 is the second operating position partial structurtes schematic diagram in the positioning seat;
Fig. 4 is the 3rd an operating position partial structurtes schematic diagram in the positioning seat;
Fig. 5 is the 4th an operating position partial structurtes schematic diagram in the positioning seat.
Fig. 6 is the plan structure schematic diagram after bearing, positioning seat and the elastic supporting plate assembling.
Fig. 7 is the utility model user mode structural representation.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Fig. 7, this back layback adjusting device comprises being arranged on the chair cushion, the back 16 that joins with the bearing 10 that supports chair cushion, bearing 10 is arranged on the deflectable flexible supporting frames, is provided with the third gear governor motion in the flexible supporting frames.
Deflectable flexible supporting frames comprises the positioning seat 18 that joins with chair leg 13, and these positioning seat 18 front and back join with elastic supporting plate 11 and 12 respectively,
Bearing 10 is the n font structure, bearing 10 middle parts are hinged with the support bar 1 that is arranged in the positioning seat, the bearing 10 front end left and right sides are hinged with elastic supporting plate 12 respectively, the left and right sides, bearing 10 middle part is hinged with the support rocking arm 13 of the arcuate structure that is arranged on its side respectively, and it is hinged to support rocking arm 13 other ends and elastic supporting plate 11.Elastic supporting plate herein can adopt steel spring plate.
Be provided with the third gear governor motion in the flexible supporting frames, this mechanism comprises the positioning seat 18 that joins with chair leg 13, be provided with the support bar 1 hinged in the positioning seat 18 with bearing 10, bearing 10 by an elasticity hinged block be arranged on the support bar 1 ship and resell on another market 1.3 hinged; Support bar 1 and a pivoted housing 2 axial sockets, pivoted housing 2 docks with support bar 1 by the alignment pin 2.4 that is arranged on the center, and pivoted housing 2 is positioned at crimp head 2.1 belows and is provided with grab 2.2, and 1 pair of support bar should grab 2.2 be provided with and clamps inclined-plane 1.4, location; Grab 2.2 is crimped on and clamps on the inclined-plane 1.4, location.Be filled with fine and close rubber layer 2.3 between alignment pin and the pivoted housing body, the setting of this place's rubber layer 2.3 is in order to cooperate aforementioned grab 2.2 and to clamp the installation of locating inclined-plane 1.4, and when the third gear governor motion is in locking, back also can have certain layback angle, increases the comfortableness of chair.Support bar 1 and pivoted housing 2 are arranged in the positioning seat 18 by locating shaft 3, be respectively arranged with the gib head 1.1 and the crimp head 2.1 that are used for the deflection location on support bar 1 and the pivoted housing 2, with this gib head 1.1 and the crimp head 2.1 corresponding blocks 6 that are arranged in the positioning seat, what block 6 slided is arranged in the positioning seat 18, and its top is provided with the locating aperture groove 6.4 that cooperates with gib head 1.1 and crimp head 2.1.Corresponding pivoted housing 2 outward flanges in support bar 1 side are provided with arc faying face 1.5, and the setting of this arc faying face 1.5 is in order to eliminate the error in the installation.Block 6 is chevron shaped or the L font structure, and its end end face place up is provided with locating aperture groove 6.4, and block 6 bottoms are respectively arranged with locating hole 6.2 and 6.1, and block 6 is by being arranged in the positioning seat 18 that alignment pin 4 and 5 slides.Drag-line 9 ends that block 6 is provided with in locating slot 6.3, three gear regulators 19 are arranged in locating slot 6.3 or the locating hole, and drag-line 9 is arranged on the positioning seat 18 by a stop collar 8, are provided with a compression spring 7 between stop collar 8 and the block 6.This block 6 and three gear regulators 19 join.Three gear regulators 19 are arranged on the bearing 10.
Among the figure, 1.2 is locating hole, and 15 is screw, and 17 is leg.
Claims (10)
1. back layback adjusting device, comprise and being arranged on the chair cushion, back (16) with the bearing (10) that supports chair cushion joins is characterized in that described bearing is arranged on the deflectable flexible supporting frames, is provided with many grades of governor motions in the flexible supporting frames.
2. back layback adjusting device according to claim 1, it is characterized in that described deflectable flexible supporting frames comprises the positioning seat (18) that joins with chair leg (13), join with elastic supporting plate (11) and (12) respectively before and after this positioning seat, bearing (10) middle part is hinged with the support bar (1) that is arranged in the positioning seat, bearing front end and elastic supporting plate (12) are hinged, the bearing middle part is hinged with support rocking arm (13), and it is hinged to support the rocking arm other end and elastic supporting plate (11).
3. back layback adjusting device according to claim 2, it is characterized in that described bearing (10) is the n font structure, bearing (10) the front end left and right sides is hinged with elastic supporting plate (12) respectively, the left and right sides, bearing middle part is hinged with the support rocking arm (13) of the arcuate structure that is arranged on its side respectively, and it is hinged to support the rocking arm other end and elastic supporting plate (11).
4. back layback adjusting device according to claim 1, it is characterized in that being provided with in the described flexible supporting frames third gear governor motion, this mechanism comprises the positioning seat (18) that joins with chair leg (13), be provided with in the positioning seat and the hinged support bar (1) of bearing (10), the axially socket of a support bar and a pivoted housing (2), support bar and pivoted housing are arranged in the positioning seat by locating shaft (3), be respectively arranged with the gib head (1.1) and the crimp head (2.1) that are used for the deflection location on support bar and the pivoted housing, with this gib head and the corresponding block (6) that is arranged in the positioning seat of crimp head, what block slided is arranged in the positioning seat, its top is provided with the locating aperture groove (6.4) that cooperates with gib head and crimp head, and this block and one or three gear regulators (19) join.
5. back layback adjusting device according to claim 4, it is characterized in that described pivoted housing (2) docks with support bar (1) by the alignment pin (2.4) that is arranged on the center, be filled with fine and close rubber layer (2.3) between alignment pin and the pivoted housing body.
6. back according to claim 4 layback adjusting device is characterized in that described pivoted housing (2) is positioned at crimp head (2.1) below and is provided with grab (2.2), and support bar (1) clamps inclined-plane (1.4), location to should grab being provided with; Grab is crimped on and clamps on the inclined-plane, location.
7. back layback adjusting device according to claim 4 is characterized in that corresponding pivoted housing (2) outward flange in described support bar (1) side is provided with arc faying face (1.5).
8. back layback adjusting device according to claim 4, it is characterized in that described block (6) is chevron shaped or the L font structure, its end end face place up is provided with locating aperture groove (6.4), stop bottom is respectively arranged with locating hole (6.2) and (6.1), and block is by being arranged in the positioning seat (18) of sliding in alignment pin (4) and (5).
9. back layback adjusting device according to claim 4, it is characterized in that described block (6) is provided with locating slot (6.3) or locating hole, drag-line (9) end in three gear regulators (19) is arranged in locating slot or the locating hole, drag-line is arranged on the positioning seat (18) by a stop collar (8), is provided with a compression spring (7) between stop collar and the block.
10. according to claim 4 or 9 arbitrary described back layback adjusting devices, it is characterized in that described three gear regulators (19) are arranged on the bearing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620053668 CN2868013Y (en) | 2006-01-16 | 2006-01-16 | Hypsokinesis regulating device for chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620053668 CN2868013Y (en) | 2006-01-16 | 2006-01-16 | Hypsokinesis regulating device for chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2868013Y true CN2868013Y (en) | 2007-02-14 |
Family
ID=37722938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620053668 Expired - Fee Related CN2868013Y (en) | 2006-01-16 | 2006-01-16 | Hypsokinesis regulating device for chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2868013Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697308A (en) * | 2012-06-07 | 2012-10-03 | 集美大学 | Multifunctional chair |
-
2006
- 2006-01-16 CN CN 200620053668 patent/CN2868013Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697308A (en) * | 2012-06-07 | 2012-10-03 | 集美大学 | Multifunctional chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |