CN102860695A - Foot rest adjusting structure for seat - Google Patents
Foot rest adjusting structure for seat Download PDFInfo
- Publication number
- CN102860695A CN102860695A CN2012103488198A CN201210348819A CN102860695A CN 102860695 A CN102860695 A CN 102860695A CN 2012103488198 A CN2012103488198 A CN 2012103488198A CN 201210348819 A CN201210348819 A CN 201210348819A CN 102860695 A CN102860695 A CN 102860695A
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- footrest rack
- pin
- base
- joint piece
- adjustment structure
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Abstract
The invention relates to a seat, in particular to a foot rest adjusting structure for a seat. The foot rest adjusting structure is realized by the technical scheme that the foot rest adjusting structure for the seat comprises a base, a foot rest hinged to the base, a performing structure capable of enabling the foot rest to rotate relative to the base, and a pull rod structure capable of enabling the performing structure to drive the foot rest to rotate; the performing structure comprises a hinging piece rotatablely connected with the base, and a push rod with one end of which is hinged to the hinging piece and the other end of which is hinged to the foot rest; and the pull rod structure comprises a rotating rod rotatablely connected between two sides of the base, a rotating piece which is connected with the rotating rod and can be driven by the rotating rod to rotate, and a connecting rod with one end of which is hinged to the rotating piece and the other end of which is hinged to the hinging piece. The foot rest adjusting structure can be used for adjusting only by manually rotating the rotating rod, thereby being simple to operate and labor-saving.
Description
Technical field
The present invention relates to seat, particularly a kind of footrest rack adjustment structure of seat.
Background technology
Footrest rack adjustment structure of the prior art, be the disclosed a kind of office chair of lying of facing upward of utility model patent of CN2664487Y such as Granted publication number, its trace is to be hubbed at backrest and flexible by between the pin group, so flexible can be driven by trace and with the synchronous pivot pendulum of backrest by the pin group, and backrest and flexible elevation angle by the pin group are controlled by air pressure rod; This kind driven by backrest by the pin group, therefore can not regulate separately by the pin group, and when regulating, often need a hand operated cylinder, and the back firmly relies on backrest simultaneously, thereby cylinder is shunk, and just makes by the perk of pin group; Thereby so that in operation, comparatively require great effort, special for the people who suffers from spondylodynia, spinal column disease, inconvenience is arranged in use more.
Summary of the invention
The footrest rack adjustment structure that the purpose of this invention is to provide a kind of seat only needs to rotate dwang with hand and gets final product in the time of adjusting, therefore simple to operate, and laborsaving.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of footrest rack adjustment structure of seat, comprise base, be articulated in the footrest rack of base, this kind adjustment structure also comprises execution architecture that footrest rack is rotated relative to base, can make execution architecture drive the Tiebar structure that footrest rack rotates; Described execution architecture comprises that the pin-joint piece, the end that are rotationally connected with base are articulated in the push rod that pin-joint piece and the other end are articulated in footrest rack; Described pin-joint piece rotates the place axis with hinged place, the pin-joint piece of push rod relative to base, has spacing between the two; Described Tiebar structure comprises the dwang that is rotationally connected with between the described base both sides, is connected in dwang and can be articulated in by revolving fragment, an end of dwang driven rotary the connecting rod that revolving fragment and the other end are articulated in pin-joint piece; The junction of the junction of described dwang and revolving fragment, described revolving fragment and connecting rod has spacing between the two.
When launching footrest rack, because the junction of junction, revolving fragment and the connecting rod of dwang and revolving fragment has spacing between the two, therefore by rotating dwang, make connecting rod promote pin-joint piece and rotate, launch thereby make push rod drive footrest rack; Simultaneously, because the hinged place of pin-joint piece and push rod, pin-joint piece rotates the place axis relative to base, has spacing between the two, therefore, in the process that footrest rack launches, one side shifting of rotating the place axis from pin-joint piece when the hinged place of pin-joint piece and push rod is during to opposite side, even the stressed downward pressure of footrest rack, after being equivalent to leg and being positioned on the footrest rack, the pressure that leg produces footrest rack, pin-joint piece still has along the rotation trend of pin-joint piece rotation direction in the footrest rack expansion process, yet owing to be subject to the pulling force of connecting rod, pin-joint piece can not rotate along pin-joint piece rotation direction in the footrest rack expansion process again, thereby, make footrest rack be in deployed condition; Otherwise, when drawing footrest rack in, rotate dwang, force the pin-joint piece homing, thereby draw footrest rack in; Therefore, footrest rack can be regulated separately, and is simple to operate laborsaving, only needs to rotate dwang and gets final product, and it is auxiliary more to need not human body back; In order to make the rotation dwang more laborsaving, as preferably, can be provided with the handle of being convenient to hand at dwang.
As of the present invention preferred, described push rod is arcuation; The line in the hinged place of described base and footrest rack to the center of circle of described push rod is through push rod.
Above-mentioned setting can make footrest rack after expansion, and the expansion amplitude that keeps can be large as much as possible.
As of the present invention preferred, slidely connect toe board on the described footrest rack.
As of the present invention preferred, described footrest rack is provided with the turning arm that the middle part is articulated in footrest rack; One end of turning arm is hinged with the gangbar that is articulated in base; The other end of turning arm is hinged with the push arm that is connected in described toe board.
Make the release of toe board and expansion and the gathering action interlock of retraction action and footrest rack.
As of the present invention preferred, the hinged place of described turning arm and gangbar apart from the distance of the hinged place of turning arm and footrest rack less than the hinged place of described turning arm and the push arm distance apart from the hinged place of turning arm and footrest rack.
Increase as much as possible the release amplitude of toe board.
As of the present invention preferred, described base is provided be used to the pin that limits described pin-joint piece rotational angle.
After footrest rack launched, pin-joint piece contacted at pin, thereby stoped pin-joint piece to be rotated further along pin-joint piece rotation direction in the footrest rack expansion process, thus for connecting rod shared stressed, the service life that is conducive to improve Tiebar structure.
As of the present invention preferred, described pin-joint piece has two, is rotationally connected with respectively the base both sides; Described push rod has two, and is provided with firm bar between two described push rods.
Make push rod in the frequent expansion and gathering process of footrest rack, can not produce the displacement of rotating the place axis direction along pin-joint piece, thereby improved the stability of this kind footrest rack adjustment structure, reliability.
As of the present invention preferred, described base is provided with pole between the both sides; Described pin-joint piece is connected in described pole and can rotates around described strut lengths direction place axis.
As of the present invention preferred, described footrest rack is provided with slide rail; Described toe board both sides have the chute that is placed in slide rail.
As of the present invention preferred, described connecting rod is arcuation, and nock towards with the nock of described push rod towards consistent.
Make when rotating dwang more laborsaving.
In sum, the present invention has following beneficial effect: the present invention is simple in structure, and is easy to operate and laborsaving.
Description of drawings
Fig. 1 is the example structure schematic diagram.
Among the figure, 1, base, 2, footrest rack, 3, execution architecture, 4, Tiebar structure, 31, pole, 32, pin-joint piece, 33, push rod, 41, dwang, 411, handle, 42, revolving fragment, 43, connecting rod, 21, toe board, 22, slide rail, 211, chute, 51, turning arm, 52, gangbar, 53, push arm, 34, pin, 35, firm bar.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
This specific embodiment only is explanation of the invention; it is not limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as all are subject to the protection of Patent Law in claim scope of the present invention.
Embodiment: a kind of footrest rack adjustment structure of seat, as shown in Figure 1, comprise base 1, be articulated in base 1 footrest rack 2, can make execution architecture 3 that footrest rack 2 rotates relative to base 1, can make execution architecture 3 drive the Tiebar structure 4 that footrest racks 2 rotate;
Described execution architecture 3 comprises the pole 31 of being located between base 1 both sides, the place, two ends of pole 31 all is provided with pin-joint piece 32, pin-joint piece 32 can rotate around pole 31 length direction place axis, be connected with push rod 33 between pin-joint piece 32 and the footrest rack 2, push rod 33 1 ends are articulated in pin-joint piece 32 and the other end is articulated in footrest rack 2; The junction of the hinged place of pin-joint piece 32 and push rod 33, pin-joint piece 32 and pole 31 has spacing between the two.
Described Tiebar structure 4 comprises the dwang 41 that is rotationally connected with between described base 1 both sides, dwang 41 1 ends have the handle 411 of being convenient to hand, also being provided with on the dwang 41 can be by the revolving fragment 42 of dwang 41 driven rotary, be connected with connecting rod 43 between revolving fragment 42 and the pin-joint piece 32, an end of connecting rod 43 is articulated in revolving fragment 42 and the other end is articulated in pin-joint piece 32; The junction of the junction of dwang 41 and revolving fragment 42, revolving fragment 42 and connecting rod 43 has spacing between the two.
When launching footrest rack 2, because the junction of the junction of dwang 41 and revolving fragment 42, revolving fragment 42 and connecting rod 43 has spacing between the two, therefore by rotating dwang 41, make connecting rod 43 promote pin-joint piece 32 and rotate, launch thereby make push rod 33 drive footrest rack 2; Simultaneously, because the hinged place of pin-joint piece 32 and push rod 33, pin-joint piece 32 and pole 31 junctions, has spacing between the two, therefore, in the process that footrest rack 2 launches, when the hinged place of pin-joint piece 32 and push rod 33 from a side shifting of pole 31 length direction place axis during to opposite side, even footrest rack 2 stressed downward pressure, after being equivalent to leg and being positioned on the footrest rack 2, the pressure that leg produces footrest rack 2, pin-joint piece 32 still has along the rotation trend of pin-joint piece 32 rotation directions in footrest rack 2 expansion processes, yet owing to be subject to the pulling force of connecting rod 32, pin-joint piece 32 can not rotate along pin-joint piece 32 rotation directions in footrest rack 2 expansion processes again, thereby, make footrest rack 2 be in deployed condition; Otherwise, when drawing footrest rack 2 in, rotate dwang 41, force pin-joint piece 32 homings, thereby draw footrest rack 2 in.
For the expansion amplitude that makes footrest rack 2 is large as much as possible, push rod 33 is arcuation; And the line in hinged place to the center of circle of push rod 33 of base 1 and footrest rack 2 is through push rod 33; Thereby make footrest rack 2 after expansion, the amplitude that keeps, be that the expansion amplitude that keeps when being subject to shank pressure of footrest rack 2 is large as much as possible, also namely under this expansion amplitude, the pin joint of the pin joint of the tie point that pin-joint piece 32 and pole are 31, pin-joint piece 32 and push rod 33, push rod 33 and footrest rack 2, the three is in same straight line as much as possible.
Slidely connect toe board 21 on the footrest rack 2; Footrest rack 2 is provided with slide rail 22; Described toe board 21 both sides have the chute 211 that is placed in slide rail 22; Footrest rack 2 is provided with the turning arm 51 that the middle part is articulated in footrest rack 2; One end of turning arm 51 is hinged with the gangbar 52 that is articulated in base 1; The other end of turning arm 51 is hinged with the push arm 53 that is connected in described toe board 21; The hinged place of turning arm 51 and gangbar 52 apart from the distance of turning arm 51 and the hinged place of footrest rack 2 less than the hinged place of described turning arm 51 and push arm 53 apart from the distance of turning arm 51 with the hinged place of footrest rack 2.
Base 1 is provided be used to the pin 34 that limits described pin-joint piece rotational angle; After footrest rack 2 launched, pin-joint piece 32 contacted at pin 34, thereby stoped pin-joint piece 32 to be rotated further along pin-joint piece 32 rotation directions in footrest rack 2 expansion processes, thus for connecting rod 43 shared stressed, the service life that is conducive to improve Tiebar structure.
Be provided with firm bar 35 between two push rods 33, thereby make push rod 33 in the frequent expansion and gathering process of footrest rack 2, can not produce along the displacement on pole 31 length directions, thereby improved the stability of this kind footrest rack adjustment structure, reliability.
For further making rapid operation, connecting rod 43 is arcuation, and nock towards with the nock of described push rod 33 towards consistent.
Claims (10)
1. the footrest rack adjustment structure of a seat, comprise base (1), be articulated in the footrest rack (2) of base (1), it is characterized in that this kind adjustment structure also comprises the execution architecture (3) that footrest rack (2) is rotated relative to base (1), the Tiebar structure (4) that execution architecture (3) drive footrest rack (2) is rotated; Described execution architecture (3) comprises that the pin-joint piece (32), the end that are rotationally connected with base (1) are articulated in the push rod (33) that pin-joint piece (32) and the other end are articulated in footrest rack (2); Described pin-joint piece (32) rotates the place axis with hinged place, the pin-joint piece (32) of push rod (33) relative to base (1), has spacing between the two; Described Tiebar structure (4) comprises the dwang (41) that is rotationally connected with between described base (1) both sides, is connected in dwang (41) and can be articulated in by revolving fragment (42), an end of dwang (41) driven rotary the connecting rod (43) that revolving fragment (42) and the other end are articulated in pin-joint piece (32); The junction of the junction of described dwang (41) and revolving fragment (42), described revolving fragment (42) and connecting rod (43) has spacing between the two.
2. the footrest rack adjustment structure of a kind of seat according to claim 1 is characterized in that, described push rod (33) is arcuation; The line in the hinged place of described base (1) and footrest rack (2) to the center of circle of described push rod (33) is through push rod (33).
3. the footrest rack adjustment structure of a kind of seat according to claim 1 is characterized in that, slidely connects toe board (21) on the described footrest rack (2).
4. the footrest rack adjustment structure of a kind of seat according to claim 2 is characterized in that, described footrest rack (2) is provided with the turning arm (51) that the middle part is articulated in footrest rack (2); One end of turning arm (51) is hinged with the gangbar (52) that is articulated in base (1); The other end of turning arm (51) is hinged with the push arm (53) that is connected in described toe board (21).
5. the footrest rack adjustment structure of a kind of seat according to claim 3, it is characterized in that, the hinged place of described turning arm (51) and gangbar (52) apart from the distance of turning arm (51) and the hinged place of footrest rack (2) less than the hinged place of described turning arm (51) and push arm (53) apart from the distance of turning arm (51) with the hinged place of footrest rack (2).
6. the footrest rack adjustment structure of a kind of seat according to claim 1 is characterized in that, described base (1) is provided be used to the pin that limits described pin-joint piece rotational angle (34).
7. the footrest rack adjustment structure of a kind of seat according to claim 1 is characterized in that, described pin-joint piece (32) has two, is rotationally connected with respectively base (1) both sides; Described push rod (33) has two, and is provided with firm bar (35) between two described push rods (33).
8. according to claim 1 or the footrest rack adjustment structure of 7 described a kind of seats, it is characterized in that described base (1) is provided with pole (31) between the both sides; Described pin-joint piece (32) is connected in described pole (31) and can rotates around described pole (31) length direction place axis.
9. according to claim 3 or the footrest rack adjustment structure of 4 described a kind of seats, it is characterized in that described footrest rack (2) is provided with slide rail (22); Described toe board (21) both sides have the chute (211) that is placed in slide rail (22).
10. the footrest rack adjustment structure of a kind of seat according to claim 2 is characterized in that, described connecting rod (43) is arcuation, and nock towards with the nock of described push rod (33) towards consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348819.8A CN102860695B (en) | 2012-09-19 | 2012-09-19 | Foot rest adjusting structure for seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348819.8A CN102860695B (en) | 2012-09-19 | 2012-09-19 | Foot rest adjusting structure for seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102860695A true CN102860695A (en) | 2013-01-09 |
| CN102860695B CN102860695B (en) | 2015-05-27 |
Family
ID=47440037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348819.8A Active CN102860695B (en) | 2012-09-19 | 2012-09-19 | Foot rest adjusting structure for seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102860695B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103462393A (en) * | 2013-09-13 | 2013-12-25 | 浙江恒林椅业股份有限公司 | Chair frame structure |
| WO2019011008A1 (en) * | 2017-07-12 | 2019-01-17 | 深圳傲迈新科技有限公司 | Footrest |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264562A (en) * | 1999-02-22 | 2000-08-30 | 三洋电机株式会社 | Chair with foot rest |
| CN2560262Y (en) * | 2002-06-25 | 2003-07-16 | 东莞欣扬五金塑胶制品有限公司 | Chair with linking back and foot reset |
| US6619748B1 (en) * | 2002-08-13 | 2003-09-16 | Shin Yeh Enterprise Co., Ltd. | Chair having a crank mechanism for moving a footrest between extended and retracted positions relative to a seat |
| US20100264702A1 (en) * | 2006-07-11 | 2010-10-21 | Hoffman D Stephen | Reclining Seating Unit with High Legs and T-Shaped Seat Cushion |
| CN202842957U (en) * | 2012-09-19 | 2013-04-03 | 浙江恒林椅业股份有限公司 | Footrest frame adjusting structure of chair |
-
2012
- 2012-09-19 CN CN201210348819.8A patent/CN102860695B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264562A (en) * | 1999-02-22 | 2000-08-30 | 三洋电机株式会社 | Chair with foot rest |
| CN2560262Y (en) * | 2002-06-25 | 2003-07-16 | 东莞欣扬五金塑胶制品有限公司 | Chair with linking back and foot reset |
| US6619748B1 (en) * | 2002-08-13 | 2003-09-16 | Shin Yeh Enterprise Co., Ltd. | Chair having a crank mechanism for moving a footrest between extended and retracted positions relative to a seat |
| US20100264702A1 (en) * | 2006-07-11 | 2010-10-21 | Hoffman D Stephen | Reclining Seating Unit with High Legs and T-Shaped Seat Cushion |
| CN202842957U (en) * | 2012-09-19 | 2013-04-03 | 浙江恒林椅业股份有限公司 | Footrest frame adjusting structure of chair |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103462393A (en) * | 2013-09-13 | 2013-12-25 | 浙江恒林椅业股份有限公司 | Chair frame structure |
| CN103462393B (en) * | 2013-09-13 | 2016-03-16 | 浙江恒林椅业股份有限公司 | A kind of chair frame structure |
| WO2019011008A1 (en) * | 2017-07-12 | 2019-01-17 | 深圳傲迈新科技有限公司 | Footrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102860695B (en) | 2015-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 313300, Zhejiang, Huzhou province Anji County Road, 378, 380, No. Patentee after: Henglin Furniture Co., Ltd Address before: 313300, Huzhou County, Zhejiang province Anji Sunshine Industrial Park three District Zhejiang Heng Lin chair Limited by Share Ltd Patentee before: Zhejiang Henglin Chair Industrial Company |
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| CP03 | Change of name, title or address |