CN105725564B - The flexible fold-playing foot rest device of office chair - Google Patents
The flexible fold-playing foot rest device of office chair Download PDFInfo
- Publication number
- CN105725564B CN105725564B CN201610189401.5A CN201610189401A CN105725564B CN 105725564 B CN105725564 B CN 105725564B CN 201610189401 A CN201610189401 A CN 201610189401A CN 105725564 B CN105725564 B CN 105725564B
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- CN
- China
- Prior art keywords
- sliding block
- rod member
- rotating shaft
- office chair
- straight line
- 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
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
-
- 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
- A47C1/023—Reclining or easy chairs having independently-adjustable supporting parts the parts being horizontally-adjustable seats ; Expandable seats or the like, e.g. seats with horizontally adjustable parts
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
Abstract
Stretched fold-playing foot rest device the invention discloses office chair.The existing office chair with foot rest device is troublesome in poeration.Two pieces of sliding blocks of the present invention and the two line slideways composition sliding pair for being fixed on office chair seat bottom；First sliding block and the second sliding block are connected with office chair seat with compression spring；The inner side of first sliding block and the second sliding block is connected with connecting rod；One end of first rod member and the second rod member is symmetrically fixedly arranged in connecting rod；One end of rotating shaft is in the through hole of the first rod member, and the other end is in the through hole of the second rod member；Multiple second blind holes are all provided with two end faces of rotating shaft；U-shaped bar is fixedly arranged in rotating shaft；Torsion spring set connects U-shaped bar and the first rod member in rotating shaft；Two the first blind holes of the first rod member and the second rod member coordinate with two long pin shafts of a corresponding round end cap；Two the second blind holes of two short pin shafts end face corresponding with rotating shaft of round end cap coordinate.It is easy to operate that the present invention from office chair state is converted to leg rest state.
Description
Technical field
The invention belongs to novel office table separation, and in particular to a kind of flexible fold-playing foot rest device of office chair.
Background technology
The effect of office chair is only used for the office that is seated at present, and at noon during respite after meal, user often separately adds a stool
Son carrys out leg rest, preferably to loosen rest, but separately adds stool inconvenient.Also there is the office chair for carrying foot rest device individually,
It is but troublesome in poeration.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of easy to operate, reliable office chair of positioning is stretched
Contracting fold-playing foot rest device.
The present invention include office chair seat, first straight line guide rail, the first compression spring, the first sliding block, second straight line guide rail,
Second compression spring, the second sliding block, connecting rod, the first rod member, the second rod member, rotating shaft, round end cap, short pin shaft, long pin shaft, U
Type bar, torsion spring and magnetic sheet；Described first straight line guide rail and second straight line guide rail is symmetrically fixed on office chair seat bottom；Institute
The first sliding block stated forms sliding pair with first straight line guide rail, and the first compression spring connects the first sliding block and office chair seat；The
One holding screw on the outside of the first sliding block by being screwed into the first sliding block, for positioning of first sliding block on first straight line guide rail；Institute
The second sliding block stated forms sliding pair with second straight line guide rail, and the second compression spring connects the second sliding block and office chair seat；The
Two holding screws on the outside of the second sliding block by being screwed into the second sliding block, for positioning of second sliding block on second straight line guide rail；Institute
The inner side for stating the first sliding block and the second sliding block is connected with connecting rod；One end of first rod member and the second rod member is symmetrically fixedly arranged at connection
On bar, the other end is machined with through hole and two the first blind holes；One end of the rotating shaft is another in the through hole of the first rod member
End is in the through hole of the second rod member；The both ends of the surface of rotating shaft are concordant with the outer face of the first rod member and the second rod member respectively；Rotating shaft
Two end faces on be all machined with multiple second blind holes being uniformly distributed along the circumference；Described U-shaped bar is fixedly arranged in rotating shaft；Described torsion
Spring is enclosed in rotating shaft, and one end connects U-shaped bar, and the other end connects the first rod member.
Described round end cap inner face is fixed with two short pin shafts and two long pin shafts along straight line arrangement, and two short
The center of rotation that bearing pin and the center line line of two long pin shafts pass through rotating shaft；Two the first blind holes of the first rod member and a circle
Two long pin shafts of shape end cap coordinate, and two the first blind holes of the second rod member are matched somebody with somebody with two long pin shafts of another round end cap
Close；Two the second blind holes of two short pin shafts end face corresponding with rotating shaft of round end cap coordinate；In rotation on the inside of round end cap
One piece of magnetic sheet is fixed with the heart.
The device have the advantages that：
The present invention meets the requirement of office and respite, and stretching-expansion is converted to from the office chair state of retraction-folding
Leg rest state, it is easy to operate；The stepless changing protruded horizontally up and the multistage adjustment of angle, meet that the personalization of different user will
Ask.
Brief description of the drawings
Fig. 1 is the schematic diagram of mechanism when present invention is folded in office chair bottom；
Fig. 2 is schematic side view of the present invention under leg rest state；
Fig. 3 is Fig. 2 bottom view；
Fig. 4 is the sectional arrangement drawing of rotating shaft and round end cap in the present invention；
Fig. 5 is Fig. 4 A-A sectional views.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Fig. 1,2,3 and 5, the flexible fold-playing foot rest device of office chair, including office chair seat 1, first straight line are led
Rail 2, the first compression spring 3, the first sliding block 4, the ＇ of second straight line guide rail 2, the ＇ of the second compression spring 3, the ＇ of the second sliding block 4, connecting rod 6,
First rod member 7, the ＇ of the second rod member 7, rotating shaft 10, round end cap 12, short pin shaft 13, long pin shaft 14, U-shaped bar 15, torsion spring 16 and magnetic
Plate 17.First straight line guide rail 2 and the ＇ of second straight line guide rail 2 are symmetrically fixed on the bottom of office chair seat 1；First sliding block 4 and first straight
Line guide rail 2 forms sliding pair, and the first compression spring 3 connects the first sliding block 4 and office chair seat 1；First holding screw 5 is by first
The outside of sliding block 4 is screwed into the first sliding block 4, for positioning of first sliding block 4 on first straight line guide rail 2.The ＇ of second sliding block 4 and
The ＇ of two line slideway 2 forms sliding pair, the ＇ of 3 the second sliding block of ＇ connections of the second compression spring 4 and office chair seat 1；Second holding screw
5 ＇ on the outside of the ＇ of the second sliding block 4 by being screwed into the ＇ of the second sliding block 4, for positioning of the ＇ of the second sliding block 4 on the ＇ of second straight line guide rail 2；The
One sliding block 4 and the ＇ of the second sliding block 4 inner side connecting rod 6 connect；First rod member 7 and the ＇ of the second rod member 7 one end are symmetrically fixedly arranged at
In connecting rod 6, the other end is machined with through hole 8 and two the first blind holes 9；One end of rotating shaft 10 is mounted in the through hole 8 of the first rod member 7
Interior, the other end is in the ＇ of the second rod member 7 through hole；The both ends of the surface of rotating shaft 10 are outer with the first rod member 7 and the ＇ of the second rod member 7 respectively
End face is concordant；Eight the second blind holes 11 being uniformly distributed along the circumference all are machined with two end faces of rotating shaft 10.
As shown in Figures 4 and 5, the inner face of round end cap 12 is fixed with along two short pin shafts 13 of straight line arrangement and two and had strong market potential
Axle 14, and the center of rotation that two short pin shafts 13 and the center line line of two long pin shafts 14 pass through rotating shaft 10；First rod member 7
Two long pin shafts 14 of two the first blind holes 9 and a round end cap 12 coordinate, two of the ＇ of the second rod member 7 the first blind holes 9 with it is another
Two long pin shafts 14 of one round end cap 12 coordinate；Two short pin shafts 13 of round end cap 12 and the two of 10 corresponding end face of rotating shaft
Individual second blind hole 11 coordinates.One piece of magnetic sheet 17 is fixed with the center of rotation of the inner side of round end cap 12.
As shown in figs. 1 and 4, U-shaped bar 15 is fixedly arranged in rotating shaft 10；Torsion spring 16 is enclosed in rotating shaft 10, and one end connects U-shaped bar
15, the other end connects the first rod member 7, and the power that 10 axis are flipped up around the shaft is provided for U-shaped bar 15.
The operation principle of the flexible fold-playing foot rest device of the office chair：
The flexible fold-playing foot rest device of the office chair be retracted-is folded in the state of office chair bottom as shown in figure 1, user
It is sitting on office chair, the hand of left and right two unscrews the first holding screw 5 and the ＇ of the second holding screw 5 of both sides, in the first compression spring 3
In the presence of the ＇ of the second compression spring 3, the first sliding block 4 and the ＇ of the second sliding block 4 can be driven mounted in package unit thereon toward overhanging,
At this moment user can control suitable extension with shank, feel comfortably just to tighten the first holding screw 5 and second of both sides
The ＇ of holding screw 5, so as to fix the first sliding block 4 and the ＇ of the second sliding block 4, meets the needs of personalized.Next two hand handles two of left and right
Individual round end cap 12 is extracted outward a bit of so that short pin shaft 13 leaves the second blind hole 11 of rotating shaft 10, and does not leave the first bar
The ＇ of 7 and second rod member of part 7 the first blind hole 9, at this moment in the presence of torsion spring 16, U-shaped bar 15 is flipped up, and user is with shank control
Suitable rotational angle is made, feels comfortable and just decontrols round end cap 12, in the presence of magnetic sheet 17, user is slightly turned with shank
U-shaped bar 15 is moved, the short pin shaft 13 in round end cap 12 will enter second blind hole 11 nearest from it, so as to just located rotation
Angle, complete outreach outward and rotate up the adjustment and positioning of angle, into the leg rest state of stretching-expansion,
As shown in Figures 2 and 3.
The office chair state of retraction-folding is returned to from the leg rest state of stretching-expansion, user is first two round noses
Lid 12 extracts a bit of so that short pin shaft 13 leaves the second blind hole 11 of rotating shaft 10, and does not leave the first rod member 7 and the second bar
The ＇ of part 7 the first blind hole 9, at this moment rotate U-shaped bar 15 with the power of shank and 10 downwardly turn over around the shaft, go to and allow U-shaped bar 15 and first
Rod member 7 folds coplanar, at this moment decontrols both hands, in the presence of magnetic sheet 17, the short pin shaft 13 in round end cap 12 will enter
Second blind hole 11.Following user's both hands unscrew first holding screw 5 and the ＇ of the second holding screw 5 of the right and left, by rotating shaft 10
Shift the lower section of office chair seat 1 behind toward position onto, tighten the first holding screw 5 and the ＇ of the second holding screw 5, be at contracting
The office chair state entered-folded.
Claims (1)
- The fold-playing foot rest device 1. office chair stretches, including office chair seat, first straight line guide rail, the first compression spring, first Sliding block, second straight line guide rail, the second compression spring, the second sliding block, connecting rod, the first rod member, the second rod member, rotating shaft, round nose Lid, short pin shaft, long pin shaft, U-shaped bar, torsion spring and magnetic sheet, it is characterised in that：Described first straight line guide rail and second straight line are led Rail is symmetrically fixed on office chair seat bottom；The first described sliding block forms sliding pair, the first compression bullet with first straight line guide rail Spring connects the first sliding block and office chair seat；First holding screw on the outside of the first sliding block by being screwed into the first sliding block, for first Positioning of the sliding block on first straight line guide rail；The second described sliding block forms sliding pair, the second compression bullet with second straight line guide rail Spring connects the second sliding block and office chair seat；Second holding screw on the outside of the second sliding block by being screwed into the second sliding block, for second Positioning of the sliding block on second straight line guide rail；The inner side of first sliding block and the second sliding block is connected with connecting rod；First rod member Symmetrically it is fixedly arranged at one end of the second rod member in connecting rod, the other end is machined with through hole and two the first blind holes；The rotating shaft One end mounted in the first rod member through hole in, the other end mounted in the second rod member through hole in；The both ends of the surface of rotating shaft are respectively with first The outer face of rod member and the second rod member is concordant；Multiple second blind holes being uniformly distributed along the circumference all are machined with two end faces of rotating shaft； Described U-shaped bar is fixedly arranged in rotating shaft；For described torsion spring set in rotating shaft, one end connects U-shaped bar, and the other end connects the first bar Part；Described round end cap inner face is fixed with two short pin shafts and two long pin shafts along straight line arrangement, and same cross section On, center of rotation that the line at the center of two short pin shafts and two long pin shafts passes through rotating shaft；Two of first rod member are first blind Two long pin shafts of Kong Yuyi round end cap coordinate, two the first blind holes of the second rod member with two of another round end cap Long pin shaft coordinates；Two the second blind holes of two short pin shafts end face corresponding with rotating shaft of round end cap coordinate；On the inside of round end cap Center of rotation at be fixed with one piece of magnetic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189401.5A CN105725564B (en) | 2016-03-29 | 2016-03-29 | The flexible fold-playing foot rest device of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189401.5A CN105725564B (en) | 2016-03-29 | 2016-03-29 | The flexible fold-playing foot rest device of office chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105725564A CN105725564A (en) | 2016-07-06 |
| CN105725564B true CN105725564B (en) | 2017-11-24 |
Family
ID=56252286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610189401.5A Active CN105725564B (en) | 2016-03-29 | 2016-03-29 | The flexible fold-playing foot rest device of office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105725564B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095402B (en) * | 2017-12-21 | 2021-04-02 | 陕西省人民医院 | Household angle-adjustable pregnant woman seat |
| CN110664154A (en) * | 2019-10-14 | 2020-01-10 | 福建荣耀健身器材有限公司 | Leg telescoping mechanism of massage chair |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7207624B2 (en) * | 2005-06-17 | 2007-04-24 | Ultra-Mek, Inc. | Ottoman convertible to seating unit |
| CN204635649U (en) * | 2015-03-26 | 2015-09-16 | 浙江永艺家具股份有限公司 | A kind of seat back of the body interlock chair |
| CN104921486A (en) * | 2015-07-04 | 2015-09-23 | 苏州塔可盛电子科技有限公司 | Leisure office chair |
| CN105231707A (en) * | 2015-09-25 | 2016-01-13 | 东莞致诚办公家具有限公司 | Chair with foot rest |
| CN205041034U (en) * | 2015-09-27 | 2016-02-24 | 永艺家具股份有限公司 | Compact swivel chair tray of overall arrangement |
-
2016
- 2016-03-29 CN CN201610189401.5A patent/CN105725564B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7207624B2 (en) * | 2005-06-17 | 2007-04-24 | Ultra-Mek, Inc. | Ottoman convertible to seating unit |
| CN204635649U (en) * | 2015-03-26 | 2015-09-16 | 浙江永艺家具股份有限公司 | A kind of seat back of the body interlock chair |
| CN104921486A (en) * | 2015-07-04 | 2015-09-23 | 苏州塔可盛电子科技有限公司 | Leisure office chair |
| CN105231707A (en) * | 2015-09-25 | 2016-01-13 | 东莞致诚办公家具有限公司 | Chair with foot rest |
| CN205041034U (en) * | 2015-09-27 | 2016-02-24 | 永艺家具股份有限公司 | Compact swivel chair tray of overall arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105725564A (en) | 2016-07-06 |
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