CN2850423Y - A chair headrest arrangement - Google Patents
A chair headrest arrangement Download PDFInfo
- Publication number
- CN2850423Y CN2850423Y CN 200520067178 CN200520067178U CN2850423Y CN 2850423 Y CN2850423 Y CN 2850423Y CN 200520067178 CN200520067178 CN 200520067178 CN 200520067178 U CN200520067178 U CN 200520067178U CN 2850423 Y CN2850423 Y CN 2850423Y
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- CN
- China
- Prior art keywords
- fluted disc
- headrest
- tooth disk
- outer tooth
- chair
- 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.)
- Expired - Fee Related
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to a chair headrest device comprising a headrest support seat, a rotary arm and a bottom seat fixed to a chair back, wherein the upper end of the rotary arm is hinged with the headrest support seat, and the lower end is hinged with the bottom seat of the chair back; a rotating and positioning mechanism of a fluted disc is arranged at the connection position of the rotary arm, the headrest support seat and the bottom seat of the chair back. The utility model has the advantages of reasonable structure and convenient processing. Adopting two rotary mechanisms increases rotary angles.
Description
Technical field
The utility model relates to a kind of seat, particularly a kind of chair headrest device.
Background technology
At present, the seat kind that has headrest on the market is more, though the conventional seat headrest can be regulated rotational angle, but owing to the reason on the project organization, rotational angle is less, as China Patent No. CN200420093727.0 described " the office chair headrest mechanism of position-adjustable ", comprise head rest body, be fixed on gripper shoe and trace on the chair back, assign in the guide groove in gripper shoe the bottom of described trace, in addition, also comprises device for regulating rotary, this device for regulating rotary upper end is rotationally connected with head rest body and forms first pivot, and lower end and described trace are connected to form second pivot for rotatable the adjusting.The design at dual rotary center is as the joint of mechanical arm.By the complementary interaction of two pivots, enlarged the movable scope of head rest body greatly, thereby guaranteed head rest body is adjusted to the required the most comfortable position of user.This office chair headrest mechanism, rotational angle is less, can't rotate significantly.
The utility model content
It is a kind of simple and reasonable that the purpose of this utility model is to provide, and is convenient to processing, the chair headrest device that rotational angle is big.
The technical scheme that its technical problem that solves the utility model adopts is, a kind of chair headrest device, comprise the headrest bearing, cursor and the base that is fixed on the chair back, the upper end of cursor and the hinge joint of headrest bearing, lower end and the hinge joint of chair back base is characterized in that the described cursor and the junction of headrest bearing, chair back base are provided with the fluted disc rotation positioning device.
Described fluted disc rotation positioning device comprises connecting screw rod, interior fluted disc, rubber cushion and outer tooth disk; Fluted disc one side is a cylinder in described, and the cylinder end face is provided with fluted disc, and opposite side is made as square boss, and internal tooth disk center is provided with the through hole that can allow connecting screw rod pass through.
Described rubber cushion is circular, and its center is provided with and interior fluted disc square boss corresponding square holes; Described connecting screw rod is interior hexagonal screw rod, and a side of screw rod is provided with nut.
One side of described outer tooth disk is set to cylinder, and its end face is provided with and the corresponding fluted disc of interior fluted disc, and the opposite side of outer tooth disk is provided with hexahedron, is provided with spring washer in the hexahedron, and the outer tooth disk center is provided with the through hole that can allow connecting screw rod pass through.
Described cursor is made as circular-arc, and the center is provided with the triangle through hole, and its two ends are made as cylinder; The cylinder center is provided with screw, and the cylinder two ends are provided with the corresponding pit of square boss size with interior fluted disc, and interior fluted disc can be positioned in the pit.Two projections are extended at described headrest bearing middle part, leave the distance that can allow the end of cursor insert between two projections; Be provided with in the projection with outer tooth disk on the corresponding pit of hexahedron size, outer tooth disk is positioned in the pit; The two ends of headrest bearing are provided with counterbore.
Described chair back base front surface is the C font, and two ends are provided with counterbore, leaves the distance that can allow the end of cursor insert between extended two projections in chair back base middle part, two projections; Be provided with in the projection with outer tooth disk on the corresponding pit of hexahedron size, outer tooth disk is positioned in the pit.Fluted disc is meshed with the fluted disc of outer tooth disk in described.
The utility model is simple and reasonable, is convenient to processing, owing to adopted two place's rotating mechanisms, makes the anglec of rotation increase greatly, and the scope of application is comparatively wide.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model assembling schematic diagram.
(a) is interior fluted disc structure enlarged diagram among Fig. 3.
(b) is outer tooth disk structure enlarged diagram among Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1, Fig. 2, a kind of chair headrest device, comprise headrest bearing 1, cursor 4 and the base 7 that is fixed on the chair back, 4 upper ends of cursor and 1 hinge joint of headrest bearing, lower end and 7 hinge joints of chair back base, cursor 4 is provided with the fluted disc rotation positioning device with the junction of headrest bearing 1, chair back base 7.The fluted disc rotation positioning device comprises connecting screw rod 16, interior fluted disc 14, rubber cushion 15 and outer tooth disk 5; Interior fluted disc 14 is cylinder first, and the cylinder end face is provided with fluted disc 13, and opposite side is made as square boss 14.1, and internal tooth disk center is provided with the through hole 18 that can allow connecting screw rod pass through.Rubber cushion 15 is circular, and its center is provided with and interior fluted disc 14 square boss 14.1 corresponding square holes 15.1; Described connecting screw rod 16 is interior hexagonal 16.1 screw rods, and a side of screw rod 16 is provided with nut 17.One side of outer tooth disk 5 is set to cylinder, its end face is provided with and interior fluted disc 14 corresponding fluted discs 13, the opposite side of outer tooth disk 5 is provided with hexahedron 5.1, is provided with spring washer 6 in the hexahedron 5.1, and outer tooth disk 5 centers are provided with the through hole 18 that can allow connecting screw rod 16 pass through.
Chair back base 7 fronts are the C font, and two ends are provided with counterbore 8, and counterbore 2 is used to place the screw that the chair back and chair back base 7 are connected and fixed, and leave the distance that can allow the end of cursor 4 insert between 9, two projections 9 of extended two projections in chair back base 7 middle parts; Be provided with in the projection 9 with outer tooth disk 5 on hexahedron 5.1 big or small corresponding pits 11, outer tooth disk 5 is positioned in the pit 11.
The two ends of cursor 4 are inserted respectively between two projections on headrest support 1 and the chair back base 7, interior fluted disc 14 is meshed with the fluted disc 13 of outer tooth disk 5, because the effect of rubber cushion 15 and spring washer 6, the field of conjugate action of interior fluted disc 14 and outer tooth disk 5 has certain extendable room, so can relatively rotate the location between cursor 4 and headrest bearing 1, the chair back base 7.
Claims (8)
1. chair headrest device, comprise headrest bearing (1), cursor (4) and be fixed on base (7) on the chair back, the upper end of cursor and the hinge joint of headrest bearing, lower end and the hinge joint of chair back base is characterized in that the described cursor and the junction of headrest bearing, chair back base are provided with the fluted disc rotation positioning device.
2. chair headrest device according to claim 1 is characterized in that described fluted disc rotation positioning device comprises connecting screw rod (16), interior fluted disc (14), rubber cushion (15) and outer tooth disk (5); Fluted disc one side is a cylinder in described, and the cylinder end face is provided with fluted disc (13), and opposite side is made as square boss (14.1), and internal tooth disk center is provided with the through hole (18) that can allow connecting screw rod pass through.
3. chair headrest device according to claim 2 is characterized in that described rubber cushion for circular, and its center is provided with and interior fluted disc square boss (14.1) corresponding square holes (15.1); Described connecting screw rod is interior hexagonal (a 16.1) screw rod, and a side of screw rod is provided with nut (17).
4. chair headrest device according to claim 2, a side that it is characterized in that described outer tooth disk is set to cylinder, its end face is provided with and the corresponding fluted disc of interior fluted disc (13), the opposite side of outer tooth disk is provided with hexahedron (5.1), be provided with spring washer (6) in the hexahedron, the outer tooth disk center is provided with the through hole (18) that can allow connecting screw rod pass through.
5. chair headrest device according to claim 1, it is circular-arc to it is characterized in that described cursor is made as, and its two ends are made as cylinder; The cylinder center is provided with screw, and the cylinder two ends are provided with square boss (14.1) the size corresponding square pit (12) with interior fluted disc, and interior fluted disc can be fixed in the pit.
6. chair headrest device according to claim 1 is characterized in that described headrest bearing middle part extends two projections (3), leaves the distance that can allow the end (19) of cursor insert between two projections; Be provided with in the projection with outer tooth disk on the big or small corresponding pit of hexahedron (5.1) (11), outer tooth disk is positioned in the pit; The two ends of headrest bearing are provided with counterbore (2), and headrest bearing one side is connected with headrest (10).
7. chair headrest device according to claim 1, it is characterized in that described chair back base front surface is the C font, two ends are provided with counterbore (8), leave the distance that can allow the end (20) of cursor insert between chair back base middle part extended two projections (9), two projections; Be provided with in the projection with outer tooth disk on the big or small corresponding hexahedron pit of hexahedron (5.1) (11), outer tooth disk is fixed in the pit.
8. chair headrest device according to claim 2 is characterized in that described interior fluted disc is meshed with the fluted disc of outer tooth disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067178 CN2850423Y (en) | 2005-11-16 | 2005-11-16 | A chair headrest arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067178 CN2850423Y (en) | 2005-11-16 | 2005-11-16 | A chair headrest arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2850423Y true CN2850423Y (en) | 2006-12-27 |
Family
ID=37584389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520067178 Expired - Fee Related CN2850423Y (en) | 2005-11-16 | 2005-11-16 | A chair headrest arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2850423Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2157885A1 (en) * | 2007-04-17 | 2010-03-03 | Terry Cassaday | Headrest linkage |
| CN102215717A (en) * | 2008-12-09 | 2011-10-12 | 东京座椅技术股份有限公司 | Device for securing headrest |
| CN103330405A (en) * | 2013-07-19 | 2013-10-02 | 浙江利帆家具有限公司 | Non-slip swivel chair with adjustable headrest |
| CN103330403A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Adjusting device of swivel chair |
| CN103330406A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Improved structure of lateral adjusting swivel chair |
| CN103330408A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Improved structure of head rest of swivel chair |
| CN103355972A (en) * | 2013-07-19 | 2013-10-23 | 湖州奥圣家具有限公司 | Improved chair structure with sliding device |
| CN107847054A (en) * | 2015-07-14 | 2018-03-27 | 斯迪尔科斯公司 | Annex support component is arranged at seat |
-
2005
- 2005-11-16 CN CN 200520067178 patent/CN2850423Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2157885A1 (en) * | 2007-04-17 | 2010-03-03 | Terry Cassaday | Headrest linkage |
| EP2157885A4 (en) * | 2007-04-17 | 2013-01-16 | Terry Cassaday | Headrest linkage |
| CN102215717A (en) * | 2008-12-09 | 2011-10-12 | 东京座椅技术股份有限公司 | Device for securing headrest |
| CN102215717B (en) * | 2008-12-09 | 2014-03-26 | 东京座椅技术股份有限公司 | Device for securing headrest |
| CN103330405A (en) * | 2013-07-19 | 2013-10-02 | 浙江利帆家具有限公司 | Non-slip swivel chair with adjustable headrest |
| CN103330403A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Adjusting device of swivel chair |
| CN103330406A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Improved structure of lateral adjusting swivel chair |
| CN103330408A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Improved structure of head rest of swivel chair |
| CN103355972A (en) * | 2013-07-19 | 2013-10-23 | 湖州奥圣家具有限公司 | Improved chair structure with sliding device |
| CN103330406B (en) * | 2013-07-19 | 2016-02-17 | 湖州奥圣家具有限公司 | A kind of modified node method of lateral adjustment swivel chair |
| CN107847054A (en) * | 2015-07-14 | 2018-03-27 | 斯迪尔科斯公司 | Annex support component is arranged at seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061227 Termination date: 20101116 |