CN103462393B - A kind of chair frame structure - Google Patents
A kind of chair frame structure Download PDFInfo
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- CN103462393B CN103462393B CN201310417385.7A CN201310417385A CN103462393B CN 103462393 B CN103462393 B CN 103462393B CN 201310417385 A CN201310417385 A CN 201310417385A CN 103462393 B CN103462393 B CN 103462393B
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Abstract
The present invention relates to seat, particularly a kind of chair frame structure.The present invention is achieved by the following technical programs: a kind of chair frame structure, comprise chair base frame, be rotationally connected with described chair base frame one end footrest rack, for launching or draw in the governor motion of described footrest rack, described governor motion comprises the pin-joint piece that two are rotationally connected with described chair base frame both sides respectively, be rotationally connected with the push rod between two described pin-joint pieces, one end is rotationally connected with the connecting rod that the described pin-joint piece other end is rotationally connected with described footrest rack, act on described push rod thus enable described pin-joint piece relatively rotate the first driving mechanism in described chair base frame, be rotationally connected place axle between described pin-joint piece and described chair base frame, between described pin-joint piece and described push rod, be rotationally connected place axle, between diaxon, there is spacing.Footrest rack of the present invention can regulate separately, only need make the first driving mechanism action, therefore simple to operate, and laborsaving.
Description
Technical field
The present invention relates to seat, particularly a kind of chair frame structure.
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 chair frame structure, its footrest rack can regulate separately, only need make the first driving mechanism action, therefore simple to operate, and laborsaving.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of chair frame structure, comprise chair base frame, be rotationally connected with the footrest rack of described chair base frame one end, for launching or draw in the governor motion of described footrest rack, described governor motion comprises the pin-joint piece that two are rotationally connected with described chair base frame both sides respectively, be rotationally connected with the push rod between two described pin-joint pieces, one end is rotationally connected with the connecting rod that the described pin-joint piece other end is rotationally connected with described footrest rack, act on described push rod thus enable the first driving mechanism that described pin-joint piece rotates relative to described chair base frame, be rotationally connected place first axle between described pin-joint piece and described chair base frame, between described pin-joint piece and described push rod, be rotationally connected place second axle, between diaxon, there is spacing.
When launching footrest rack, only need make the first driving mechanism action, thus make push rod promote pin-joint piece rotation, thus connecting rod is pushed away forward, thus footrest rack is launched; For making the rotating junction at connecting rod two ends, the rotating junction particularly between connecting rod and chair base frame, not easy to wear, connecting rod is preferably arcuation, and nock is obliquely; Draw footrest rack in, also only need make the first driving mechanism action, thus make push rod retract connecting rod by pin-joint piece, can footrest rack be drawn in.
As preferably of the present utility model, be rotationally connected place first axle between described pin-joint piece and described chair base frame, between described pin-joint piece and described push rod, be rotationally connected place second axle, between described pin-joint piece and described connecting rod, be rotationally connected place the 3rd axle, in three axles, between adjacent shaft, all there is spacing.
Be conducive to the push-and-pull stroke adding big connecting rod as much as possible, footrest rack can be launched as much as possible.
As preferably of the present utility model, be rotationally connected place first axle between described pin-joint piece and described chair base frame, between described pin-joint piece and described push rod, be rotationally connected place second axle, between described pin-joint piece and described connecting rod, be rotationally connected place the 3rd axle, three axle distributions in " product " shape.
Be conducive to the first driving mechanism and the reasonable layout setting of connecting rod on chair base frame, improve compact conformation degree.
As preferably of the present utility model, described first driving mechanism comprises the first fixing body, stretch in described first fixing body and the part being positioned at described first fixing body have screw rod the first expansion link, be fixedly connected on described first fixing body and the first motor of engaging with described screw rod of output shaft.
First fixing body is rotationally connected with chair base frame, and the first expansion link is rotationally connected with push rod, or the first fixing body is rotationally connected with push rod, and the first expansion link is rotationally connected with chair base frame, is generally preferably the former; And the first driving mechanism also can be the device such as cylinder, air pump.
As preferably of the present utility model, described footrest rack slidably connects toe board, this kind of chair frame structure also comprises the slide construction making described toe board slide on described footrest rack; Described slide construction comprise middle part be rotationally connected with the turning arm of described footrest rack, one end be rotationally connected with one end of described turning arm and the other end and be rotationally connected with the push arm of described toe board, one end is rotationally connected with described chair frame and the other end is rotationally connected with the linking arm of the described turning arm other end.
Above-mentionedly be arranged so that footrest rack upon deployment, linking arm pulls turning arm one end, thus makes the other end of turning arm promote push rod, to make toe board slide on footrest rack, thus toe board is stretched out; Otherwise when footrest rack draws in, toe board also can be retracted thereupon.
As preferably of the present utility model, be rotationally connected place the 4th axle between described turning arm and described linking arm and the distance be rotationally connected between described turning arm and described footrest rack between the axle of place the 5th is less than the distance being rotationally connected place the 6th axle between described turning arm and described push arm and being rotationally connected between described turning arm and described footrest rack between the axle of place the 5th.
Above-mentioned setting, what be conducive to increasing as much as possible toe board skids off amplitude.
As preferably of the present utility model, the seat back frame that this kind of chair frame structure also comprises and described chair base frame is rotationally connected, be located between described seat back frame and described chair base frame for regulating the second driving mechanism of described seat back frame elevation angle, be connected to spring between described chair base frame and described seat back frame.
Can the reclining amplitude of adjusting back separately.
As preferably of the present utility model, described second driving mechanism comprises the second fixing body, stretch in described second fixing body and the part being positioned at described second fixing body have screw rod the second expansion link, be fixedly connected on described second fixing body and the second motor of engaging with described screw rod of output shaft.
Second fixing body is rotationally connected with seat back frame, and the second expansion link is rotationally connected with chair base frame, or the second fixing body is rotationally connected with chair base frame, and the second expansion link is rotationally connected with seat back frame, is generally preferably the former; Second driving mechanism also can be the device such as cylinder, air pump.
As preferably of the present utility model, this kind of chair frame structure also comprises the pedestal be fixedly arranged in the middle part of described chair base frame, and described pedestal upper end is fixed with the battery respectively to described first driving mechanism and the second driving mechanism energy supply; Described pedestal lower end is provided with chair pin.
As preferably of the present utility model, this kind of chair frame structure also comprises the remote controller that can make described first driving mechanism and/or the second driving mechanism action.
Remote controller can be the electronic devices such as mobile phone, PDA, computer.
In sum, the present invention has following beneficial effect: structure of the present invention is simple, easy to operate and laborsaving; And can Automated condtrol be realized.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram;
Fig. 2 is slide construction schematic diagram in embodiment.
In figure, 1, chair base frame, 2, footrest rack, 3, seat back frame, 31, spring, 41, pin-joint piece, 42, push rod, 43, connecting rod, 441, the first fixing body, the 442, first expansion link, the 443, first motor, 5, toe board, 61, turning arm, 62, push arm, 63, linking arm, 7, pedestal, 71, battery, 72, chair pin, 81, the second fixing body, the 82, second expansion link, the 83, second motor.
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 chair frame structure, the seat back frame 3 as shown in Figure 1-2, comprising chair base frame 1, be rotationally connected with chair base frame 1 one end footrest rack 2, be rotationally connected with chair base frame 1 other end.
The governor motion for launching or draw in footrest rack 2 is provided with between chair base frame 1 and footrest rack 2, governor motion comprises the pin-joint piece 41 that two are rotationally connected with chair base frame 1 both sides respectively, push rod 42 is also rotatably connected between two pin-joint pieces 41, connecting rod 43 is provided with between pin-joint piece 41 and footrest rack 2, one end of connecting rod 43 is rotationally connected with pin-joint piece 41 and the other end is rotationally connected with footrest rack 2, connecting rod 43 is in arcuation, and nock obliquely; Chair base frame 1 is rotatably connected to the first fixing body 441 near one end of seat back frame 3, stretch in first fixing body 441 and be provided with the first expansion link 442, the part that first expansion link 442 is arranged in the first fixing body 441 has screw rod, first fixing body 441 is also fixedly connected with the first motor 443, the output shaft of the first motor 443 engages with screw rod, thus realize the flexible of the first expansion link 442 by the action of the first motor 443, and then realize the promotion of push rod 42 and retract, realize footrest rack 2 rotating relative to chair base frame 1, i.e. the expansion of footrest rack 2 or gathering; First fixing body 441, first expansion link 442, first motor 443 forms the first driving mechanism.
Be rotationally connected place first axle between pin-joint piece 41 and chair base frame 1, between pin-joint piece 41 and push rod 42, be rotationally connected place second axle, between diaxon, there is spacing; Be rotationally connected place first axle between pin-joint piece 41 and chair base frame 1, between pin-joint piece 41 and push rod 42, be rotationally connected place second axle, between pin-joint piece and connecting rod 43, be rotationally connected place the 3rd axle, in three axles, between adjacent shaft, all there is spacing; And be rotationally connected place first axle between pin-joint piece 41 and chair base frame 1, between pin-joint piece 41 and push rod 42, be rotationally connected place second axle, between pin-joint piece and connecting rod 43, be rotationally connected place the 3rd axle, three axles distributions in " product " shape.
Footrest rack 2 slidably connects toe board 5, this enforcement also comprises the slide construction making toe board 5 slide on footrest rack 2; Slide construction comprises that middle part is rotationally connected with the turning arm 61 of footrest rack 2, one end of one end and turning arm 61 is rotationally connected with and the other end is rotationally connected with the push arm 62 of toe board 5, one end is rotationally connected with chair frame 1 and the other end is rotationally connected with the linking arm 63 of turning arm 61 other end.
And be rotationally connected place the 4th axle between turning arm 61 and linking arm 63 and the distance be rotationally connected between turning arm 61 and footrest rack 2 between the axle of place the 5th is less than the distance being rotationally connected place the 6th axle between turning arm 61 and push arm 62 and being rotationally connected between turning arm 61 and footrest rack 2 between the axle of place the 5th.
Thus when realizing expansion or draw footrest rack 2 in, make toe board 5 automatically skid off or retract.
Between seat back frame 3 and chair base frame 1, be also provided with the second driving mechanism for adjusting back framework 3 elevation angle, and be also connected with spring 31 between chair base frame 1 and seat back frame 3.
Second driving mechanism comprise be rotationally connected with seat back frame 3 the second fixing body 81, stretch in the second fixing body 81 and the part being positioned at the second fixing body 81 there is screw rod and the one end be positioned at outside the second fixing body 81 be rotationally connected with chair base frame 1 the second expansion link 82, be fixedly connected on the second fixing body 81 and the second motor 83 of engaging with screw rod of output shaft; Thus drive the action of the second motor 83 to make the second expansion link 82 drive seat back frame 3 to rotate.
This enforcement also comprises the pedestal 7 be fixedly arranged in the middle part of chair base frame 1, and pedestal 7 upper end is fixed with two batteries 71 respectively to the first motor 443 and the second motor 83 energy supply; Pedestal 7 lower end is provided with chair pin 72.
For realizing the automation of the present embodiment, this enforcement also can comprise the remote controller that can make the first driving mechanism and/or the second driving mechanism action; Remote controller is not shown; Remote controller can be the electronic equipments such as mobile phone, PDA, computer.
Claims (8)
1. a chair frame structure, comprise chair base frame (1), be rotationally connected with the footrest rack (2) of described chair base frame (1) one end, for launching or draw in the governor motion of described footrest rack (2), it is characterized in that, described governor motion comprises the pin-joint piece (41) that two are rotationally connected with described chair base frame (1) both sides respectively, be rotationally connected with the push rod (42) between two described pin-joint pieces (41), one end is rotationally connected with the connecting rod (43) that described pin-joint piece (41) other end is rotationally connected with described footrest rack (2), act on described push rod (42) thus make the first driving mechanism that described pin-joint piece (41) can rotate relative to described chair base frame (1), be rotationally connected place first axle between described pin-joint piece (41) and described chair base frame (1), between described pin-joint piece (41) and described push rod (42), be rotationally connected place second axle, between diaxon, there is spacing, be rotationally connected place first axle between described pin-joint piece (41) and described chair base frame (1), between described pin-joint piece (41) and described push rod (42), be rotationally connected place second axle, between described pin-joint piece and described connecting rod (43), be rotationally connected place the 3rd axle, three axle distributions in " product " shape, described first driving mechanism comprises the first fixing body (441), stretch in described first fixing body (441) and the part being positioned at described first fixing body (441) have screw rod the first expansion link (442), be fixedly connected on described first fixing body (441) and the first motor (443) of engaging with described screw rod of output shaft.
2. a kind of chair frame structure according to claim 1, it is characterized in that, be rotationally connected place first axle between described pin-joint piece (41) and described chair base frame (1), between described pin-joint piece (41) and described push rod (42), be rotationally connected place second axle, between described pin-joint piece and described connecting rod (43), be rotationally connected place the 3rd axle, in three axles, between adjacent shaft, all there is spacing.
3. a kind of chair frame structure according to claim 1, it is characterized in that, described footrest rack (2) slidably connects toe board (5), this kind of chair frame structure also comprises the slide construction making described toe board (5) slide on described footrest rack (2); Described slide construction comprises that middle part is rotationally connected with the turning arm (61) of described footrest rack (2), one end of one end and described turning arm (61) is rotationally connected and the other end is rotationally connected with the push arm (62) of described toe board (5), one end is rotationally connected with described chair frame (1) and the other end is rotationally connected with the linking arm (63) of described turning arm (61) other end.
4. a kind of chair frame structure according to claim 3, it is characterized in that, be rotationally connected place the 4th axle between described turning arm (61) and described linking arm (63) and the distance be rotationally connected between described turning arm (61) and described footrest rack (2) between the axle of place the 5th is less than the distance being rotationally connected place the 6th axle between described turning arm (61) and described push arm (62) and being rotationally connected between described turning arm (61) and described footrest rack (2) between the axle of place the 5th.
5. a kind of chair frame structure according to claim 1, it is characterized in that, the seat back frame (3) that this kind of chair frame structure also comprises and described chair base frame (1) is rotationally connected, to be located between described seat back frame (3) and described chair base frame (1) for regulating the second driving mechanism of described seat back frame (3) elevation angle, to be connected to spring (31) between described chair base frame (1) and described seat back frame (3).
6. a kind of chair frame structure according to claim 5, it is characterized in that, described second driving mechanism comprises the second fixing body (81), stretch in described second fixing body (81) and the part being positioned at described second fixing body (81) have screw rod the second expansion link (82), be fixedly connected on described second fixing body (81) and the second motor (83) of engaging with described screw rod of output shaft.
7. a kind of chair frame structure according to claim 5, it is characterized in that, this kind of chair frame structure also comprises the pedestal (7) being fixedly arranged on described chair base frame (1) middle part, and described pedestal (7) upper end is fixed with the battery (71) respectively to described first driving mechanism and the second driving mechanism energy supply; Described pedestal (7) lower end is provided with chair pin (72).
8. a kind of chair frame structure according to claim 5, is characterized in that, this kind of chair frame structure also comprises the remote controller that can make described first driving mechanism and/or the second driving mechanism action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310417385.7A CN103462393B (en) | 2013-09-13 | 2013-09-13 | A kind of chair frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310417385.7A CN103462393B (en) | 2013-09-13 | 2013-09-13 | A kind of chair frame structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103462393A CN103462393A (en) | 2013-12-25 |
| CN103462393B true CN103462393B (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310417385.7A Active CN103462393B (en) | 2013-09-13 | 2013-09-13 | A kind of chair frame structure |
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| Country | Link |
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| CN (1) | CN103462393B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204635608U (en) * | 2015-03-28 | 2015-09-16 | 浙江永艺家具股份有限公司 | A kind of Dual Drive mechanical extending device |
| CN106820734A (en) * | 2017-03-30 | 2017-06-13 | 浙江飞力科技股份有限公司 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897462A (en) * | 1997-04-18 | 1999-04-27 | St. Germain; Robert J. | Exercise apparatus |
| JP2000125986A (en) * | 1998-10-29 | 2000-05-09 | Akitoshi Osawa | Seat back with headrest |
| CN2510043Y (en) * | 2001-11-26 | 2002-09-11 | 广州白云蓝天电子科技有限公司 | Diagnosis and treatment chair for otolaryngological department |
| CN2664487Y (en) * | 2003-12-29 | 2004-12-22 | 吴秀雪 | Reclining office chair |
| CN102860695A (en) * | 2012-09-19 | 2013-01-09 | 浙江恒林椅业股份有限公司 | Foot rest adjusting structure for seat |
| CN203483121U (en) * | 2013-09-13 | 2014-03-19 | 浙江恒林椅业股份有限公司 | Chair frame structure |
-
2013
- 2013-09-13 CN CN201310417385.7A patent/CN103462393B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897462A (en) * | 1997-04-18 | 1999-04-27 | St. Germain; Robert J. | Exercise apparatus |
| JP2000125986A (en) * | 1998-10-29 | 2000-05-09 | Akitoshi Osawa | Seat back with headrest |
| CN2510043Y (en) * | 2001-11-26 | 2002-09-11 | 广州白云蓝天电子科技有限公司 | Diagnosis and treatment chair for otolaryngological department |
| CN2664487Y (en) * | 2003-12-29 | 2004-12-22 | 吴秀雪 | Reclining office chair |
| CN102860695A (en) * | 2012-09-19 | 2013-01-09 | 浙江恒林椅业股份有限公司 | Foot rest adjusting structure for seat |
| CN203483121U (en) * | 2013-09-13 | 2014-03-19 | 浙江恒林椅业股份有限公司 | Chair frame structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103462393A (en) | 2013-12-25 |
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Address after: 313300, Zhejiang, Huzhou province Anji County Road, 378, 380, No. Patentee after: Henglin Furniture Co., Ltd Address before: 313000, 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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