CN204541439U - A kind of chair - Google Patents
A kind of chair Download PDFInfo
- Publication number
- CN204541439U CN204541439U CN201520142441.5U CN201520142441U CN204541439U CN 204541439 U CN204541439 U CN 204541439U CN 201520142441 U CN201520142441 U CN 201520142441U CN 204541439 U CN204541439 U CN 204541439U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hinged
- rotating shaft
- double leval
- leval jib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model proposes a kind of chair, comprise feet and be arranged on feet for installing the bracing frame of cushion, described chair also comprises foot support, described foot support is arranged on bracing frame by fold mechanism, described fold mechanism comprises locating rack, be arranged at the folding stand of locating rack both sides and drive the rotating shaft of described folding stand work, described folding stand comprises first connecting rod, second connecting rod, third connecting rod, double leval jib and the 5th connecting rod, and the terminal part of described double leval jib and the 5th connecting rod is provided with foot support.The utility model is easy to use, can be used for taking a break, and improves chair comfort, foot support can folding storage under cushion, saving takes up room.
Description
Technical field
The utility model relates to a kind of furniture, is specifically related to a kind of chair.
Background technology
Chair, as rest furniture conventional in people's daily life, occupies critical role in the life of people, especially for the chair of office, requires higher to comfortableness.Traditional chair does not have foot support, and such design can not make office user reach good rest effect.Chair of the prior art also has employing foot support, but foot support is many is slidably connected by guide rail and chair, structural instability.Therefore, the shortcoming existed in prior art, is necessary to make improvements prior art.
Utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, provides a kind of Stability Analysis of Structures, simple to operate, use comfortable chair.
The utility model is realized by following technical scheme:
A kind of chair, comprise feet and be arranged on feet for installing the bracing frame of cushion, described chair also comprises foot support, described foot support is arranged on bracing frame by fold mechanism, described fold mechanism comprises locating rack, be arranged at the folding stand of locating rack both sides and drive the rotating shaft of described folding stand work, described folding stand comprises first connecting rod, second connecting rod, third connecting rod, double leval jib and the 5th connecting rod, the top portion of described first connecting rod and rotating shaft hinged, the terminal part of first connecting rod and the bar portion of second connecting rod hinged, the top portion of described second connecting rod and locating rack hinged, the terminal part of second connecting rod and the top portion of double leval jib hinged, the top portion of described third connecting rod and locating rack hinged, the terminal part of third connecting rod and the top portion of the 5th connecting rod hinged, the bar portion of described third connecting rod and the bar portion of double leval jib hinged, the terminal part of described double leval jib and the 5th connecting rod is provided with foot support.
Described second connecting rod and double leval jib have a kink respectively, the end of described first connecting rod and the kink of second connecting rod hinged, the kink of described double leval jib and the bar portion of third connecting rod hinged.
Described folding stand also comprises a bracket, and described bracket is fixed on the terminal part of double leval jib and the 5th connecting rod, and described foot support is fixedly mounted on bracket.
Described rotating shaft is provided with outward extending locating piece, the extending end of described locating piece and the top of first connecting rod hinged, described rotating shaft by locating piece drive first connecting rod motion.
The top of described first connecting rod has one can be covered on block on locating piece, and the bar portion of described first connecting rod has one can be connected in locating slot in rotating shaft.
Described locating rack is provided with a hollow tube, and described rotating shaft is sheathed in hollow tube and is rotationally connected with locating rack.
One end of described rotating shaft is provided with one handle.
Be provided with the first extension spring between described rotating shaft and locating rack, between described second connecting rod and third connecting rod, be provided with the second extension spring.
Relative to prior art, fold mechanism of the present utility model can directly be fixed on bracing frame, installs simple, rotating shaft Foldable frame is only needed to launch to use or folding storage during use, easy and simple to handle, Stability Analysis of Structures, be convenient to maintenance, improve ease of use and comfortableness.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model chair;
Fig. 2 is the deployed condition structural representation of the fold mechanism of the utility model chair;
Fig. 3 is the folded state structural representation of the fold mechanism of the utility model chair.
In figure: 1. feet; 2. bracing frame; 3. cushion; 4. foot support; 5. fold mechanism; 6. locating rack; 61. hollow tubes; 7. folding stand; 71. first connecting rods; 72. second connecting rods; 73. third connecting rods; 74. double leval jib; 75. the 5th connecting rods; 76. brackets; 77. blocks; 78. locating slots; 8. rotating shaft; 81. locating pieces; 82. handles; 9. the first extension spring; 10. the second extension spring.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of chair of the present utility model as shown in Figure 1 to Figure 3, comprise feet 1 and be arranged on feet 1 for installing the bracing frame 2 of cushion 3, chair also comprises foot support 4, this foot support 4 is arranged on bracing frame 2 by fold mechanism 5, this fold mechanism 5 comprises locating rack 6, the folding stand 7 being arranged at locating rack 6 both sides and the rotating shaft 8 driving folding stand 7 to work, folding stand 7 comprises first connecting rod 71, second connecting rod 72, third connecting rod 73, double leval jib 74 and the 5th connecting rod 75, top portion and the rotating shaft 8 of first connecting rod 71 are hinged, the terminal part of first connecting rod 71 and the bar portion of second connecting rod 72 hinged, top portion and the locating rack 6 of second connecting rod 72 are hinged, the terminal part of second connecting rod 72 and the top portion of double leval jib 74 hinged, top portion and the locating rack 6 of third connecting rod 73 are hinged, the terminal part of third connecting rod 73 and the top portion of the 5th connecting rod 75 hinged, the bar portion of third connecting rod 73 and the bar portion of double leval jib 74 hinged, the terminal part of double leval jib 74 and the 5th connecting rod 75 is provided with foot support 4.Rotating shaft 8, each connecting rod interlock of Foldable frame 7, realizes the expansion or folding of folding stand 7.
Second connecting rod 72 and double leval jib 74 have a kink respectively, the end of first connecting rod 71 and the kink of second connecting rod 72 hinged, the kink of double leval jib 74 and the bar portion of third connecting rod 73 hinged.Certainly, first connecting rod 71 can be provided with kink, is convenient to pull each connecting rod interlock.
Folding stand 7 also comprises a bracket 76, and this bracket 76 is fixed on the terminal part of double leval jib 74 and the 5th connecting rod 75, and foot support 4 is fixedly mounted on bracket 76.
Rotating shaft 8 is provided with outward extending locating piece 81, the extending end of this locating piece 81 and the top of first connecting rod 71 hinged, rotating shaft 8 drives first connecting rod 71 to move by locating piece 81.The top of first connecting rod 71 has one can be covered on block 77 on locating piece 81, this locating piece 81 acts on block 77 and drives first connecting rod 71 interlock, the bar portion of first connecting rod 71 has one can be connected in locating slot 78 in rotating shaft 8, and this locating slot 78 makes folding stand 7 be positioned folded state.
Locating rack 6 is provided with a hollow tube 61, and rotating shaft 8 is sheathed in hollow tube 61 and is rotationally connected with locating rack 6.One end of rotating shaft 8 is provided with one handle 82, is convenient to drive shaft 8 and rotates.
Be provided with the first extension spring 9 between rotating shaft 8 and locating rack 6, between second connecting rod 72 and third connecting rod 73, be provided with the second extension spring 10, improve rotating shaft 8 rotation process to the cushion effect of folding stand 7, be conducive to folding stand 7 and reset.
Operation principle: order about first connecting rod 71 when rotating shaft 8 rotation and move around locating piece 81 extending end, simultaneously first connecting rod 71 drive second and third, four, five connecting rod 72,73,74,75 interlocks, folding stand 7 is in deployed condition, order about first connecting rod 71 counter motion when rotating shaft 8 rotates backward and make locating slot 78 be connected in rotating shaft 8, folding stand 7 is in folded state.
Fold mechanism 5 of the present utility model can be applicable to various office chair or other multifunction chair, be specially adapted to use when lunch break etc. takes a break, certainly, chair of the present utility model also can be provided with swingable backrest, backrest can be accommodated during use, foot support 4 is launched to use, improves comfort.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a chair, comprise feet and be arranged on feet for installing the bracing frame of cushion, it is characterized in that: described chair also comprises foot support, described foot support is arranged on bracing frame by fold mechanism, described fold mechanism comprises locating rack, be arranged at the folding stand of locating rack both sides and drive the rotating shaft of described folding stand work, described folding stand comprises first connecting rod, second connecting rod, third connecting rod, double leval jib and the 5th connecting rod, the top portion of described first connecting rod and rotating shaft hinged, the terminal part of first connecting rod and the bar portion of second connecting rod hinged, the top portion of described second connecting rod and locating rack hinged, the terminal part of second connecting rod and the top portion of double leval jib hinged, the top portion of described third connecting rod and locating rack hinged, the terminal part of third connecting rod and the top portion of the 5th connecting rod hinged, the bar portion of described third connecting rod and the bar portion of double leval jib hinged, the terminal part of described double leval jib and the 5th connecting rod is provided with foot support.
2. chair according to claim 1, it is characterized in that: described second connecting rod and double leval jib have a kink respectively, the end of described first connecting rod and the kink of second connecting rod hinged, the kink of described double leval jib and the bar portion of third connecting rod hinged.
3. chair according to claim 1, is characterized in that: described folding stand also comprises a bracket, and described bracket is fixed on the terminal part of double leval jib and the 5th connecting rod, and described foot support is fixedly mounted on bracket.
4. chair according to claim 1, is characterized in that: described rotating shaft is provided with outward extending locating piece, the extending end of described locating piece and the top of first connecting rod hinged, described rotating shaft by locating piece drive first connecting rod motion.
5. chair according to claim 4, is characterized in that: the top of described first connecting rod has one can be covered on block on locating piece, and the bar portion of described first connecting rod has one can be connected in locating slot in rotating shaft.
6. chair according to claim 1, is characterized in that: described locating rack is provided with a hollow tube, and described rotating shaft is sheathed in hollow tube and is rotationally connected with locating rack.
7. chair according to claim 6, is characterized in that: one end of described rotating shaft is provided with one handle.
8. chair according to claim 1, is characterized in that: be provided with the first extension spring between described rotating shaft and locating rack, is provided with the second extension spring between described second connecting rod and third connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520142441.5U CN204541439U (en) | 2015-03-12 | 2015-03-12 | A kind of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520142441.5U CN204541439U (en) | 2015-03-12 | 2015-03-12 | A kind of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204541439U true CN204541439U (en) | 2015-08-12 |
Family
ID=53816627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520142441.5U Expired - Fee Related CN204541439U (en) | 2015-03-12 | 2015-03-12 | A kind of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204541439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106889808A (en) * | 2017-04-25 | 2017-06-27 | 东莞市世金五金制品有限公司 | A kind of furniture folding stand |
-
2015
- 2015-03-12 CN CN201520142441.5U patent/CN204541439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106889808A (en) * | 2017-04-25 | 2017-06-27 | 东莞市世金五金制品有限公司 | A kind of furniture folding stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180312 |