CN102860695B - Foot rest adjusting structure for seat - Google Patents
Foot rest adjusting structure for seat Download PDFInfo
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- CN102860695B CN102860695B CN201210348819.8A CN201210348819A CN102860695B CN 102860695 B CN102860695 B CN 102860695B CN 201210348819 A CN201210348819 A CN 201210348819A CN 102860695 B CN102860695 B CN 102860695B
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- footrest rack
- pin
- joint piece
- base
- push rod
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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, as Authorization Notice No. for a kind of disclosed in the utility model patent of CN2664487Y faces upward the office chair of lying, its trace is hubbed at backrest and stretches by between pin group, therefore flexible by pin group can drive by trace and put with the synchronous pivot of backrest, and backrest and the flexible elevation angle by pin group control by air pressure rod; This kind drives by backrest by pin group, therefore can not regulate separately by pin group, and when adjustment, often needs a hand operated cylinder, and back is firmly close to backrest simultaneously, thus cylinder is shunk, and just makes to tilt by pin group; Thus make comparatively to require great effort when operation, especially for suffering from the people of spondylodynia, spinal column disease, in use have inconvenience more.
Summary of the invention
The object of this invention is to provide a kind of footrest rack adjustment structure of seat, when adjustment, only need rotate dwang with hand, 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 with the footrest rack of base, this kind of adjustment structure also comprises the execution architecture that footrest rack respect thereto can be made to rotate, the Tiebar structure that execution architecture drive footrest rack can be made to rotate; Described execution architecture comprises pin-joint piece, one end of being rotationally connected with base and is articulated with pin-joint piece and the other end is articulated with the push rod of footrest rack; Hinged place, the pin-joint piece respect thereto of described pin-joint piece and push rod rotate place axis, have spacing between the two; Described Tiebar structure comprises and is rotationally connected with dwang between described base both sides, is connected to dwang and can be articulated with revolving fragment by the revolving fragment of dwang driven rotary, one end and the other end is articulated with the connecting rod of 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, due to the junction of dwang and revolving fragment, revolving fragment and the junction of connecting rod, there is spacing between the two, therefore by rotating dwang, making connecting rod promote pin-joint piece and rotating, thus make the expansion of push rod drive footrest rack, simultaneously, due to the hinged place of pin-joint piece and push rod, pin-joint piece respect thereto rotates place axis, there is spacing between the two, therefore, in the process that footrest rack launches, when the hinged place of pin-joint piece and push rod moves to opposite side from the side that pin-joint piece rotates place axis, even if the stressed downward pressure of footrest rack, be equivalent to leg be positioned over after on footrest rack, the pressure that leg produces footrest rack, pin-joint piece still has the rotation trend along pin-joint piece rotation direction in footrest rack expansion process, but, owing to being subject to the pulling force of connecting rod, pin-joint piece can not rotate along pin-joint piece rotation direction in footrest rack expansion process again, thus, footrest rack is made to be in deployed condition, otherwise, when drawing footrest rack in, rotate dwang, force pin-joint piece homing, thus draw footrest rack in, therefore, footrest rack can regulate separately, simple to operate laborsaving, only need rotate dwang, more assists without the need to human body back, in order to make rotation dwang more laborsaving, as preferably, can be provided with on dwang and being convenient to hand-held handle.
As preferably of the present invention, described push rod is arcuation; The line in hinged place to the center of circle of described push rod of described base and footrest rack is through push rod.
Above-mentioned setting, can make footrest rack after deployment, and the expansion amplitude kept can be large as much as possible.
As preferably of the present invention, described footrest rack slidably connects toe board.
As preferably of the present invention, described footrest rack is provided with the turning arm that middle part is articulated with footrest rack; One end of turning arm is hinged with the gangbar being articulated with base; The other end of turning arm is hinged with the push arm being connected to described toe board.
Make the release of toe board and the expansion of retracting action and footrest rack and draw action in link.
As preferably of the present invention, the distance of the hinged place distance turning arm of described turning arm and gangbar and the hinged place of footrest rack is less than the distance of the hinged place distance turning arm of described turning arm and push arm and the hinged place of footrest rack.
Increase the release amplitude of toe board as much as possible.
As preferably of the present invention, described base is provided with the pin for limiting described pin-joint piece rotational angle.
After footrest rack launches, pin-joint piece contacts at pin, thus stops pin-joint piece to be rotated further along pin-joint piece rotation direction in footrest rack expansion process, thus shares stressed for connecting rod, is conducive to the service life of raising Tiebar structure.
As preferably of the present invention, described pin-joint piece has two, is rotationally connected with base both sides respectively; 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, the displacement of rotating place axis direction along pin-joint piece can not be produced, thus improve the stability of this kind of footrest rack adjustment structure, reliability.
As preferably of the present invention, between described base both sides, be provided with pole; Described pin-joint piece is connected to described pole and can rotates around place, described strut lengths direction axis.
As preferably of the present invention, described footrest rack is provided with slide rail; Described toe board both sides have the chute being placed on slide rail.
As preferably of the present invention, described connecting rod is arcuation, and nock towards with the nock of described push rod towards consistent.
More laborsaving when making rotation dwang.
In sum, the present invention has following beneficial effect: structure of the present invention is simple, easy to operate and laborsaving.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram.
In 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.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present invention.
Embodiment: a kind of footrest rack adjustment structure of seat, the execution architecture 3 that as shown in Figure 1, comprise base 1, be articulated with the footrest rack 2 of base 1, footrest rack 2 respect thereto 1 can be made to rotate, the Tiebar structure 4 that execution architecture 3 can be made to drive footrest rack 2 to rotate;
Described execution architecture 3 comprises the pole 31 be located between base 1 both sides, the two ends place of pole 31 is all 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 footrest rack 2, push rod 33 one end is articulated with pin-joint piece 32 and the other end is articulated with footrest rack 2; The hinged place of pin-joint piece 32 and push rod 33, pin-joint piece 32 and the junction of pole 31, have spacing between the two.
Described Tiebar structure 4 comprises the dwang 41 be rotationally connected with between described base 1 both sides, dwang 41 one end has is convenient to hand-held handle 411, dwang 41 is also provided with can by the revolving fragment 42 of dwang 41 driven rotary, be connected with connecting rod 43 between revolving fragment 42 and pin-joint piece 32, one end of connecting rod 43 is articulated with revolving fragment 42 and the other end is articulated with pin-joint piece 32; The junction of dwang 41 and revolving fragment 42, revolving fragment 42 and the junction of connecting rod 43, have spacing between the two.
When launching footrest rack 2, due to the junction of dwang 41 and revolving fragment 42, revolving fragment 42 and the junction of connecting rod 43, there is spacing between the two, therefore by rotating dwang 41, make connecting rod 43 promote pin-joint piece 32 to rotate, thus make push rod 33 drive footrest rack 2 to launch, simultaneously, due to pin-joint piece 32 and the hinged place of push rod 33, pin-joint piece 32 and pole 31 junction, there is spacing between the two, therefore, in the process that footrest rack 2 launches, when pin-joint piece 32 moves to opposite side with the hinged place of push rod 33 from the side of pole 31 length direction place axis, even if the stressed downward pressure of footrest rack 2, be equivalent to leg be positioned over after on footrest rack 2, the pressure that leg produces footrest rack 2, pin-joint piece 32 still has the rotation trend along pin-joint piece 32 rotation direction in footrest rack 2 expansion process, but, owing to being subject to the pulling force of connecting rod 32, pin-joint piece 32 can not rotate along pin-joint piece 32 rotation direction in footrest rack 2 expansion process again, thus, footrest rack 2 is made to be in deployed condition, otherwise, when drawing footrest rack 2 in, rotate dwang 41, force pin-joint piece 32 homing, thus draw footrest rack 2 in.
In order to make the expansion amplitude of footrest rack 2 large as much as possible, push rod 33 is in 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; Thus make footrest rack 2 after deployment, the amplitude kept, namely the expansion amplitude kept when footrest rack 2 is subject to leg pressure is large as much as possible, also namely under this expansion amplitude, the pin joint of the pin joint of the tie point of pin-joint piece 32 and pole 31, pin-joint piece 32 and push rod 33, push rod 33 and footrest rack 2, three is in same straight line as much as possible.
Footrest rack 2 slidably connects toe board 21; Footrest rack 2 is provided with slide rail 22; Described toe board 21 both sides have the chute 211 being placed on slide rail 22; Footrest rack 2 is provided with the turning arm 51 that middle part is articulated with footrest rack 2; One end of turning arm 51 is hinged with the gangbar 52 being articulated with base 1; The other end of turning arm 51 is hinged with the push arm 53 being connected to described toe board 21; Turning arm 51 is less than the hinged place distance turning arm 51 of described turning arm 51 with push arm 53 and the distance of the hinged place of footrest rack 2 with the hinged place distance turning arm 51 of gangbar 52 with the distance of the hinged place of footrest rack 2.
Base 1 is provided with the pin 34 for limiting described pin-joint piece rotational angle; After footrest rack 2 launches, pin-joint piece 32 contacts at pin 34, thus stops pin-joint piece 32 to be rotated further along pin-joint piece 32 rotation direction in footrest rack 2 expansion process, thus shares stressed for connecting rod 43, is conducive to the service life of improving Tiebar structure.
Be provided with firm bar 35 between two push rods 33, thus 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 direction, thus improve the stability of this kind of footrest rack adjustment structure, reliability.
For making rapid operation further, connecting rod 43 in arcuation, and nock towards with the nock of described push rod 33 towards consistent.
Claims (4)
1. the footrest rack adjustment structure of a seat, comprise base (1), be articulated with the footrest rack (2) of base (1), it is characterized in that, this kind of adjustment structure also comprises the execution architecture (3) that footrest rack (2) respect thereto (1) can be made to rotate, the Tiebar structure (4) that execution architecture (3) drive footrest rack (2) can be made to rotate; Described execution architecture (3) comprises pin-joint piece (32), one end of being rotationally connected with base (1) and is articulated with pin-joint piece (32) and the other end is articulated with the push rod (33) of footrest rack (2); Hinged place, pin-joint piece (32) respect thereto (1) of described pin-joint piece (32) and push rod (33) rotate place axis, have spacing between the two; Described Tiebar structure (4) comprises and is rotationally connected with dwang (41) between described base (1) both sides, is connected to dwang (41) and can be articulated with revolving fragment (42) by the revolving fragment (42) of dwang (41) driven rotary, one end and the other end is articulated with the connecting rod (43) of pin-joint piece (32); The junction of described dwang (41) and revolving fragment (42), described revolving fragment (42) and the junction of connecting rod (43), have spacing between the two;
Described push rod (33) is in arcuation; The line in hinged place to the center of circle of described push rod (33) of described base (1) and footrest rack (2) is through push rod (33);
Described footrest rack (2) slidably connects toe board (21);
Described footrest rack (2) is provided with the turning arm (51) that middle part is articulated with footrest rack (2); One end of turning arm (51) is hinged with the gangbar (52) being articulated with base (1); The other end of turning arm (51) is hinged with the push arm (53) being connected to described toe board (21);
Described turning arm (51) is less than hinged place distance turning arm (51) of described turning arm (51) with push arm (53) and the distance of the hinged place of footrest rack (2) with hinged place distance turning arm (51) of gangbar (52) with the distance of the hinged place of footrest rack (2);
Described connecting rod (43) in arcuation, and nock towards with the nock of described push rod (33) towards consistent;
Pole (31) is provided with between described base (1) both sides; Described pin-joint piece (32) is connected to described pole (31) and can rotates around described pole (31) length direction place axis;
In the process that footrest rack (2) launches, when pin-joint piece (32) moves to opposite side with the hinged place of push rod (33) from the side of pole (31) length direction place axis, even if the stressed downward pressure of footrest rack (2), be equivalent to leg be positioned over after on footrest rack (2), the pressure that leg produces footrest rack (2), pin-joint piece (32) still has the rotation trend along pin-joint piece (32) rotation direction in footrest rack (2) expansion process, but, owing to being subject to the pulling force of connecting rod (43), pin-joint piece (32) can not rotate along pin-joint piece (32) rotation direction in footrest rack (2) expansion process again, thus, footrest rack (2) is made to be in deployed condition.
2. the footrest rack adjustment structure of a kind of seat according to claim 1, is characterized in that, described base (1) is provided with the pin (34) for limiting described pin-joint piece rotational angle.
3. 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 base (1) both sides respectively; Described push rod (33) has two, and is provided with firm bar (35) between two described push rods (33).
4. the footrest rack adjustment structure of a kind of seat according to claim 1, is characterized in that, described footrest rack (2) is provided with slide rail (22); Described toe board (21) both sides have the chute (211) being placed on slide rail (22).
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 CN102860695A (en) | 2013-01-09 |
| CN102860695B true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN207855403U (en) * | 2017-07-12 | 2018-09-14 | 余亦枢 | A kind of foot pedal |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102860695A (en) | 2013-01-09 |
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| 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 |