CN203483121U - Chair frame structure - Google Patents
Chair frame structure Download PDFInfo
- Publication number
- CN203483121U CN203483121U CN201320568820.1U CN201320568820U CN203483121U CN 203483121 U CN203483121 U CN 203483121U CN 201320568820 U CN201320568820 U CN 201320568820U CN 203483121 U CN203483121 U CN 203483121U
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- Prior art keywords
- rotationally connected
- chair
- pin
- frame structure
- base frame
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Abstract
The utility model relates to chairs, in particular to a chair frame structure. The chair frame structure is realized by the technical scheme as follows: the chair frame structure comprises a chair seat frame, a foot resting frame rotationally connected to one end of the chair seat frame and an adjusting mechanism for unfolding or folding the foot resting frame; the adjusting mechanism comprises two hinging sheets respectively rotationally connected onto two sides of the chair seat frame, a push rod rotationally connected between the two hinging sheets, a connection rod with one end being rotationally connected with the other ends of the hinging sheets and the other end being rotationally connected to the foot resting frame, and a first driving mechanism for actuating the push rod to enable the hinging sheets to rotate relative to the chair seat frame. One shaft rotationally connected between the hinging sheets and the chair seat frame and the other shaft rotationally connected between the hinging sheets and the push rod are arranged at intervals. The foot resting frame can be singly adjusted by only the first driving mechanism, so the operation is simple and laborsaving.
Description
Technical field
The utility model relates to seat, particularly a kind of chair frame structure.
Background technology
Footrest rack adjustment structure of the prior art, if Granted publication number is the disclosed a kind of office chair of lying of facing upward of utility model patent of CN2664487Y, its trace is to be hubbed at backrest and flexible by between pin group, therefore flexible, by pin group, can driven and put with the synchronous pivot of backrest by trace, and backrest and flexible elevation angle by pin group be controlled by air pressure rod; This kind driven by backrest by pin group, therefore by pin group, can not regulate separately, and when regulating, often need a hand operated cylinder, and back firmly relies on backrest simultaneously, thereby cylinder is shunk, and just makes by the perk of pin group; Thereby make comparatively to require great effort in operation, especially for suffering from the people of spondylodynia, spinal column disease, in use have inconvenience more.
Utility model content
The purpose of this utility model is to provide a kind of chair frame structure, and 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 utility model 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 two pin-joint pieces that are rotationally connected with respectively described chair base frame both sides, be rotationally connected with two push rods between described pin-joint piece, one end is rotationally connected with the connecting rod that the described pin-joint piece other end is rotationally connected with described footrest rack, thereby acting on described push rod makes described pin-joint piece can relatively rotate the first driving mechanism in described chair base frame, between described pin-joint piece and described chair base frame, be rotationally connected between place axle, described pin-joint piece and described push rod and be rotationally connected place axle, between diaxon, there is spacing.
While launching footrest rack, only need make the first driving mechanism action, thereby make push rod promote pin-joint piece, rotate, thereby connecting rod is pushed away forward, thereby footrest rack is launched; For making the rotating junction between the rotating junction at connecting rod two ends, particularly connecting rod and chair base frame, not easy to wear, connecting rod is preferably arcuation, and nock oblique under; Draw footrest rack in, also only need make the first driving mechanism action, thereby make push rod retract connecting rod by pin-joint piece, can draw footrest rack in.
As of the present utility model preferred, between described pin-joint piece and described chair base frame, be rotationally connected between place axle, described pin-joint piece and described push rod and be rotationally connected between place axle, described pin-joint piece and described connecting rod and be rotationally connected place axle, in three axles, between adjacent shaft, all there is spacing.
Be conducive to add as much as possible the push-and-pull stroke of big connecting rod, footrest rack can be launched as much as possible.
As of the present utility model preferred, between described pin-joint piece and described chair base frame, be rotationally connected between place axle, described pin-joint piece and described push rod and be rotationally connected between place axle, described pin-joint piece and described connecting rod and be rotationally connected place axle, three axles are " product " shape and distribute.
Be conducive to the reasonable layout setting on chair base frame of the first driving mechanism and connecting rod, improve compact conformation degree.
As of the present utility model preferably, described the first driving mechanism comprises the first fixing body, stretch in described the first fixing body and the part that is positioned at described the first fixing body have screw rod the first expansion link, be fixedly connected on the first motor that described the first fixing body and output shaft and described screw rod mesh.
The 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 can be also the devices such as cylinder, air pump.
As of the present utility model, preferably on described footrest rack, slidably connect toe board, this kind of chair frame structure also comprises the slide construction that makes described toe board slide on described footrest rack; Described slide construction comprises that one end that middle part is rotationally connected with turning arm, one end and the described turning arm of described footrest rack is rotationally connected and the other end and push arm, one end of being rotationally connected with described toe board are 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, thereby makes the other end of turning arm promote push rod, so that toe board slides on footrest rack, thereby toe board is stretched out; Otherwise when footrest rack draws in, toe board also can be retracted thereupon.
As of the present utility model preferred, between described turning arm and described linking arm, be rotationally connected between place axle and described turning arm and described footrest rack and be rotationally connected the distance between the axle of place, be less than, between described turning arm and described push arm, be rotationally connected between place axle and described turning arm and described footrest rack and be rotationally connected the distance between the axle of place.
Above-mentioned setting, is conducive to increase as much as possible the amplitude that skids off of toe board.
As of the present utility model preferably, 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 the second driving mechanism for regulating described seat back frame elevation angle, be connected in the spring between described chair base frame and described seat back frame.
The reclining amplitude of adjusting back separately.
As of the present utility model preferably, described the second driving mechanism comprises the second fixing body, stretch in described the second fixing body and the part that is positioned at described the second fixing body have screw rod the second expansion link, be fixedly connected on the second motor that described the second fixing body and output shaft and described screw rod mesh.
The 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; The second driving mechanism can be also the devices such as cylinder, air pump.
As of the present utility model preferred, this kind of chair frame structure also comprises the pedestal that is fixedly arranged on described chair base frame middle part, and described pedestal upper end is fixed with the battery to described the first driving mechanism and the second driving mechanism energy supply respectively; Described pedestal lower end is provided with chair pin.
As of the present utility model preferred, this kind of chair frame structure also comprises the remote controller that can make described the first driving mechanism and/or the action of the second driving mechanism.
Remote controller can be the electronic devices such as mobile phone, PDA, computer.
In sum, the utlity model has following beneficial effect: the utility model is simple in structure, easy to operate and laborsaving; And can realize automation controls.
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.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this description, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.
Embodiment: a kind of chair frame structure, as shown in Figure 1-2, comprises chair base frame 1, is rotationally connected with chair base frame 1 one end footrest rack 2, is rotationally connected with the seat back frame 3 of chair base frame 1 other end.
Between chair base frame 1 and footrest rack 2, be provided with for launching or draw in the governor motion of footrest rack 2, governor motion comprises two pin-joint pieces 41 that are rotationally connected with respectively chair base frame 1 both sides, between two pin-joint pieces 41, be also rotatably connected to push rod 42, between pin-joint piece 41 and footrest rack 2, be provided with connecting rod 43, 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 arcuation, and nock oblique under; Chair base frame 1 is rotatably connected to the first fixing body 441 near one end of seat back frame 3, flexible first expansion link 442 that is provided with in the first fixing body 441, the part that the first expansion link 442 is arranged in the first fixing body 441 has screw rod, on the first fixing body 441, be also fixedly connected with the first motor 443, the output shaft of the first motor 443 and screw rod engagement, thereby the action by the first motor 443 realizes the flexible of the first expansion link 442, and then realize the promotion of push rod 42 and retract, realize footrest rack 2 relative to the rotating of chair base frame 1, the i.e. expansion of footrest rack 2 or gathering; The first fixing body 441, the first expansion link 442, the first motor 443 form the first driving mechanism.
Between pin-joint piece 41 and chair base frame 1, be rotationally connected between place axle, pin-joint piece 41 and push rod 42 and be rotationally connected place axle, between diaxon, there is spacing; Between pin-joint piece 41 and chair base frame 1, be rotationally connected between place axle, pin-joint piece 41 and push rod 42 and be rotationally connected between place axle, pin-joint piece and connecting rod 43 and be rotationally connected place axle, in three axles, between adjacent shaft, all there is spacing; And between pin-joint piece 41 and chair base frame 1, be rotationally connected between place axle, pin-joint piece 41 and push rod 42 and be rotationally connected between place axle, pin-joint piece and connecting rod 43 and be rotationally connected place axle, three axles are " product " shape and distribute.
On footrest rack 2, slidably connect toe board 5, this enforcement also comprises the slide construction that makes toe board 5 slide on footrest rack 2; Slide construction comprises that one end that middle part is rotationally connected with turning arm 61, one end and the turning arm 61 of footrest rack 2 is rotationally connected with and the other end and push arm 62, one end of being rotationally connected with toe board 5 are rotationally connected with chair frame 1 and the other end is rotationally connected with the linking arm 63 of turning arm 61 other ends.
And between turning arm 61 and linking arm 63, be rotationally connected between place axle and turning arm 61 and footrest rack 2 and be rotationally connected the distance between the axle of place, be less than, between turning arm 61 and push arm 62, be rotationally connected between place axle and turning arm 61 and footrest rack 2 and be rotationally connected the distance between the axle of place.
Thereby when realizing expansion or drawing 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 angles, and be also connected with spring 31 between chair base frame 1 and seat back frame 3.
The second driving mechanism comprise be rotationally connected with seat back frame 3 the second fixing body 81, stretching has screw rod and is positioned at the second expansion link 82 that one end outside the second fixing body 81 is rotationally connected with chair base frame 1, the second motor 83 that is fixedly connected on the second fixing body 81 and output shaft and screw rod engagement in the second fixing body 81 and the part that is positioned at the second fixing body 81; Thereby the action that drives the second motor 83 makes the second expansion link 82 drive seat back frame 3 to rotate.
This enforcement also comprises the pedestal 7 that is fixedly arranged on chair base frame 1 middle part, and pedestal 7 upper ends are fixed with two batteries 71 to the first motor 443 and the second motor 83 energy supplies respectively; Pedestal 7 lower ends are 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 action of the second driving mechanism; Remote controller is not shown; Remote controller can be the electronic equipments such as mobile phone, PDA, computer.
Claims (10)
1. a chair frame structure, comprise chair base frame (1), be rotationally connected with described chair base frame (1) one end footrest rack (2), for launching or draw in the governor motion of described footrest rack (2), it is characterized in that, described governor motion comprises two pin-joint pieces (41) that are rotationally connected with respectively described chair base frame (1) both sides, 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 described pin-joint piece (41) can be relatively rotated in the first driving mechanism of described chair base frame (1), between described pin-joint piece (41) and described chair base frame (1), be rotationally connected between place axle, described pin-joint piece (41) and described push rod (42) and be rotationally connected place axle, between diaxon, there is spacing.
2. a kind of chair frame structure according to claim 1, it is characterized in that, between described pin-joint piece (41) and described chair base frame (1), be rotationally connected between place axle, described pin-joint piece (41) and described push rod (42) and be rotationally connected between place axle, described pin-joint piece and described connecting rod (43) and be rotationally connected place axle, in three axles, between adjacent shaft, all there is spacing.
3. a kind of chair frame structure according to claim 2, it is characterized in that, between described pin-joint piece (41) and described chair base frame (1), be rotationally connected between place axle, described pin-joint piece (41) and described push rod (42) and be rotationally connected between place axle, described pin-joint piece and described connecting rod (43) and be rotationally connected place axle, three axles are " product " shape and distribute.
4. a kind of chair frame structure according to claim 1, it is characterized in that, described the first driving mechanism comprises the first fixing body (441), stretch in described the first fixing body (441) and the part that is positioned at described the first fixing body (441) have screw rod the first expansion link (442), be fixedly connected on first motor (443) of described the first fixing body (441) and output shaft and the engagement of described screw rod.
5. a kind of chair frame structure according to claim 1, it is characterized in that, on described footrest rack (2), slidably connect toe board (5), this kind of chair frame structure also comprises the slide construction that makes described toe board (5) slide on described footrest rack (2); Described slide construction comprises that one end that middle part is rotationally connected with turning arm (61), one end and the described turning arm (61) of described footrest rack (2) is rotationally connected and the other end and push arm (62), one end of being rotationally connected with described toe board (5) are 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.
6. a kind of chair frame structure according to claim 5, it is characterized in that, between described turning arm (61) and described linking arm (63), be rotationally connected between place axle and described turning arm (61) and described footrest rack (2) and be rotationally connected the distance between the axle of place, be less than, between described turning arm (61) and described push arm (62), be rotationally connected between place axle and described turning arm (61) and described footrest rack (2) and be rotationally connected the distance between the axle of place.
7. 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, be located between described seat back frame (3) and described chair base frame (1) the second driving mechanism for regulating described seat back frame (3) elevation angle, be connected in the spring (31) between described chair base frame (1) and described seat back frame (3).
8. a kind of chair frame structure according to claim 7, it is characterized in that, described the second driving mechanism comprises the second fixing body (81), stretch in described the second fixing body (81) and the part that is positioned at described the second fixing body (81) have screw rod the second expansion link (82), be fixedly connected on second motor (83) of described the second fixing body (81) and output shaft and the engagement of described screw rod.
9. a kind of chair frame structure according to claim 7, it is characterized in that, this kind of chair frame structure also comprises the pedestal (7) that is fixedly arranged on described chair base frame (1) middle part, and described pedestal (7) upper end is fixed with the battery (71) to described the first driving mechanism and the second driving mechanism energy supply respectively; Described pedestal (7) lower end is provided with chair pin (72).
10. a kind of chair frame structure according to claim 7, is characterized in that, this kind of chair frame structure also comprises the remote controller that can make described the first driving mechanism and/or the action of the second driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568820.1U CN203483121U (en) | 2013-09-13 | 2013-09-13 | Chair frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568820.1U CN203483121U (en) | 2013-09-13 | 2013-09-13 | Chair frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483121U true CN203483121U (en) | 2014-03-19 |
Family
ID=50253995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320568820.1U Expired - Fee Related CN203483121U (en) | 2013-09-13 | 2013-09-13 | Chair frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483121U (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 |
| CN106998914A (en) * | 2014-09-02 | 2017-08-01 | La-Z-男孩有限公司 | Furniture component and dynamic inclined and elevating mechanism |
-
2013
- 2013-09-13 CN CN201320568820.1U patent/CN203483121U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN106998914A (en) * | 2014-09-02 | 2017-08-01 | La-Z-男孩有限公司 | Furniture component and dynamic inclined and elevating mechanism |
| CN106998914B (en) * | 2014-09-02 | 2019-12-13 | La-Z-男孩有限公司 | Furniture member and powered tilt and lift mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20160913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |