CN201194668Y - Improved structure of chair - Google Patents
Improved structure of chair Download PDFInfo
- Publication number
- CN201194668Y CN201194668Y CNU2008200462956U CN200820046295U CN201194668Y CN 201194668 Y CN201194668 Y CN 201194668Y CN U2008200462956 U CNU2008200462956 U CN U2008200462956U CN 200820046295 U CN200820046295 U CN 200820046295U CN 201194668 Y CN201194668 Y CN 201194668Y
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- CN
- China
- Prior art keywords
- fixture block
- bearing pin
- block
- fixedly connected
- flexible connection
- 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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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model relates to an improved structure of a chair, which includes a chair, a tablet arranged on an armrest at one side of the chair, and also includes two connecting blocks which are connected together and can mutually rotate; the joining surfaces of the two connecting blocks are respectively planes, one of the connecting blocks is a fixed connecting block, the rear end of the fixed connecting block is fixedly connected with the front end part of the armrest, and the other connecting block is a movable connecting block. The utility model has simple structure and convenient installation and use, and can effectively utilize space; in addition, another alternate combined structure of the tablet and the armrest provides more selection space for the user.
Description
Technical field
The utility model relates to a kind of structure-improved of seat.
Background technology
The structural design of traditional seat mainly is to be the function demand to provide the user to take, and the problem because of considering that both hands are placed is provided with handrail and supplies arm by putting in the seat both sides again, enables the riding comfort that provides preferable.For this type of seat, design because of only focusing on taking of seat with comfortableness, under general user mode, can't cause puzzlement, but for using on Conference Room and classroom for the seat, might can't be desk of every seat collocation furnishings because of spatial constraints, but in meeting or the process paid attention to the class, have the needs of taking notes again, just fail to provide appropriate device because of seat and place for notebook or paper this moment, cause user's quite inconvenience in the use, influence its practicality.Provided the structure of some chair mounted boards in the prior art, solved a little problems to a certain extent, but board of the prior art is installed and structure is complicated.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of structure-improved of seat simple in structure, easy to use is provided.
The structure-improved of a kind of seat that provides according to the utility model, comprise seat, wherein on the side handrail board is installed at seat, also comprise two contiguous blocks that can rotate mutually that link together, this two contiguous blocks interface is respectively the plane, wherein a contiguous block is fixedly connected, the leading section of this fixedly connected rear end and described handrail is affixed, another contiguous block is for flexibly connecting piece, be provided with a rotating shaft between described board and the flexible connection piece, one end of this rotating shaft and the rearward end of board are affixed, described flexible connection piece leading section is formed with a cylindrical cavity from front to back, the other end of rotating shaft stretches in this cavity and with described flexible connection piece formation and is rotatably connected, described flexible connection piece interface front end is formed with a semi-cylindrical recesses that connects with cylindrical cavity, the axis of this semi-cylindrical recesses is parallel with shaft axis, be provided with an axis and the perpendicular bearing pin of described shaft axis in it, this bearing pin and described rotating shaft are affixed, drive rotation by described rotating shaft, convex with the limited block that the banking pin axle rotates in the described semi-cylindrical recesses, when bearing pin is horizontal, one end of bearing pin stretches out described flexible connection piece interface and stretches into correspondingly configured in the groove of described fixedly connected interface front end, the other end of bearing pin leans the downside at limited block, the interface rear end of described flexible connection piece is provided with a depression, the corresponding scalable fixture block that controlled by retractor device that is provided with of described fixedly connected interface front end, after described flexible connection piece relative fixed contiguous block rotates 180 degree, described fixture block extend into and forms engaging in the described depression, and described fixture block is arranged on described groove downside.
The utility model also has following attached technical characterictic:
Described fixedly connected opposite side is provided with a cover plate, be provided with described retractor device between described cover plate and the described outside of fixedlying connected piece, described retractor device comprises a movable block, this movable block is arranged in another depression of described fixedly connected outside front end, this another depression communicates with described groove and another groove that holds described fixture block respectively, one end and the described movable block inboard of described fixture block are affixed, described groove is provided with another fixture block, the end of this another fixture block and described movable block inboard are affixed, be provided with the compression spring between the described movable block outside and the described cover plate inboard, the length of described fixture block is greater than the length of described another fixture block, when bearing pin is horizontal, one end of bearing pin is stretched into described groove and is withstood the inner face of described another fixture block, described fixture block inner face does not stretch out described fixedly connected interface, when bearing pin is in vertical position, after described flexible connection piece relative fixed contiguous block rotated 180 degree, described another fixture block did not stretch out described fixedly connected interface.
The inner face of described another fixture block is the inclined-plane.
A through hole has radially been opened in the corresponding semi-cylindrical recesses of described rotating shaft position, and described bearing pin is affixed by through hole and described rotating shaft, and this through hole is stretched out at the two ends of described bearing pin respectively.
Described two contiguous blocks are joined together to form by bolt and are rotatably connected.
The utility model compared with prior art has following advantage: at first, provide the fit structure of another board and handrail, so that the user has more selection space; Moreover it is simple in structure, and is easy to install, can effectively utilize the space.
Description of drawings
Fig. 1 is the schematic perspective view of board user mode of structure improved a kind of preferred embodiment of a kind of seat of the utility model.
Fig. 2 is the local schematic top plan view of Fig. 1.
Fig. 3 be among Fig. 2 A-A to generalized section.
Fig. 4 is fixedly connected structural representation that is connected with handrail of the utility model.
Fig. 5 is the right view of Fig. 4.
Fig. 6 is the structural representation that the utility model flexibly connects piece and board.
Fig. 7 is the left view of Fig. 6.
The structural representation of two contiguous blocks when Fig. 8 is the utility model board closure state.
Fig. 9 be among Fig. 8 B-B to generalized section.
Figure 10 be among Fig. 8 C-C to generalized section.
The specific embodiment
Referring to Fig. 1 to Figure 10, structure improved a kind of preferred embodiment of a kind of seat of the utility model is shown, comprise seat (1), on a wherein side handrail (10) of seat, board (2) is installed, also comprise two contiguous blocks (3 that can rotate mutually that link together, 4), this two contiguous blocks interface (30,40) be respectively the plane, wherein a contiguous block (3) is fixedly connected, the leading section of this fixedly connected rear end and described handrail is affixed, another contiguous block (4) is for flexibly connecting piece, be provided with a rotating shaft (5) between described board and the flexible connection piece, one end of this rotating shaft and the rearward end of board are affixed, described flexible connection piece leading section is formed with a cylindrical cavity (41) from front to back, the other end of rotating shaft stretches in this cavity and with described flexible connection piece formation and is rotatably connected, described flexible connection piece interface (40) front end is formed with a semi-cylindrical recesses (42) that connects with cylindrical cavity, the axis of this semi-cylindrical recesses is parallel with shaft axis, be provided with the perpendicular bearing pin (43) of an axis and described shaft axis in it, a through hole (50) has radially been opened in the corresponding semi-cylindrical recesses of described rotating shaft position, described bearing pin is affixed by through hole and described rotating shaft, this through hole is stretched out at the two ends of described bearing pin respectively, described bearing pin is driven by described rotating shaft and rotates, convex with the limited block (44) that the banking pin axle rotates in the described semi-cylindrical recesses, when bearing pin is horizontal, one end of bearing pin stretches out described flexible connection piece interface and stretches in the correspondingly configured groove at described fixedly connected interface front end (31), the other end of bearing pin leans the downside (440) at limited block, the interface rear end of described flexible connection piece is provided with a depression (45), the corresponding scalable fixture block (33) that controlled by retractor device (32) that is provided with of described fixedly connected interface front end, after described flexible connection piece relative fixed contiguous block rotates 180 degree, described fixture block extend into and forms engaging in the described depression, and described fixture block is arranged on described groove downside.
Described fixedly connected opposite side is provided with a cover plate (34), be provided with described retractor device between described cover plate and the described outside of fixedlying connected piece, described retractor device comprises a movable block (320), this movable block is arranged in another depression (321) of described fixedly connected outside front end, this another depression communicates with described groove and another groove (322) that holds described fixture block respectively, one end and the described movable block inboard of described fixture block are affixed, described groove is provided with another fixture block (323), the end of this another fixture block and described movable block inboard are affixed, the inner face of described another fixture block is the inclined-plane, be provided with compression spring (324) between the described movable block outside and the described cover plate inboard, the length of described fixture block is greater than the length of described another fixture block, when bearing pin is horizontal, one end of bearing pin is stretched into described groove and is withstood the inner face of described another fixture block, described fixture block inner face does not stretch out described fixedly connected interface, when bearing pin is in vertical position, after described flexible connection piece relative fixed contiguous block rotated 180 degree, described another fixture block did not stretch out described fixedly connected interface.Described two contiguous blocks (3,4) are joined together to form by bolt (6) and are rotatably connected.
Referring to Fig. 1 to Fig. 3, the utility model board open mode structural representation is shown, this moment, bearing pin was horizontal, one end of bearing pin stretches out described flexible connection piece interface and stretches in the correspondingly configured groove at described fixedly connected interface front end (31), and withstand described another fixture block (323) side shifting outside groove (31), compress the compression of spring (324) pressurized this moment, the other end of described bearing pin leans the downside (440) at limited block, under the gravity effect of board, one end of bearing pin leans the bottom surface in groove (31), this moment, board can not continue to rotate counterclockwise (said against being to be as the criterion with Fig. 2 clockwise, rotating shaft transfers to counterclockwise) here left; When closing, clockwise (here what say is to be as the criterion with Fig. 2 clockwise, rotating shaft transfers to the right clockwise) board (2), board (2) drives rotating shaft (5) and rotates, driving bearing pin (43) simultaneously clockwise rotates, a described end of bearing pin stretches out the groove (31) of described fixedly connected interface front end, enter and become vertical state (as shown in figure 10) in the semi-cylindrical recesses, at this moment, (said here be to be as the criterion with Fig. 2 to described flexible connection piece counterclockwise counterclockwise, the leading section that flexibly connects piece rotates to drawing outside to counterclockwise) rotate 180 spend after the depression (45) of fixture block (33) alignment activity contiguous block rear end, and under the effect of compression spring (324), stretch into described depression (45), under the gravity effect of board, tightly at the lower surface that is stuck in described depression (45) (referring to Fig. 9), it is simple in structure for fixture block (33), easy to install, can effectively utilize the space; Moreover the fit structure of another board that is available for users to select and handrail is provided, make the user that more selection space be arranged.
Claims (5)
1. the structure-improved of a seat, comprise seat (1), on a wherein side handrail (10) of seat, board (2) is installed, it is characterized in that also comprising two contiguous blocks (3 that can rotate mutually that link together, 4), this two contiguous blocks interface (30,40) be respectively the plane, wherein a contiguous block (3) is fixedly connected, the leading section of this fixedly connected rear end and described handrail is affixed, another contiguous block (4) is for flexibly connecting piece, be provided with a rotating shaft (5) between described board and the flexible connection piece, one end of this rotating shaft and the rearward end of board are affixed, described flexible connection piece leading section is formed with a cylindrical cavity (41) from front to back, the other end of rotating shaft stretches in this cavity and with described flexible connection piece formation and is rotatably connected, described flexible connection piece interface (40) front end is formed with a semi-cylindrical recesses (42) that connects with cylindrical cavity, the axis of this semi-cylindrical recesses is parallel with shaft axis, be provided with the perpendicular bearing pin (43) of an axis and described shaft axis in it, this bearing pin and described rotating shaft are affixed, drive rotation by described rotating shaft, convex with the limited block (44) that the banking pin axle rotates in the described semi-cylindrical recesses, when bearing pin is horizontal, one end of bearing pin stretches out described flexible connection piece interface and stretches in the correspondingly configured groove at described fixedly connected interface front end (31), the other end of bearing pin leans the downside (440) at limited block, the interface rear end of described flexible connection piece is provided with a depression (45), the corresponding scalable fixture block (33) that controlled by retractor device (32) that is provided with of described fixedly connected interface front end, after described flexible connection piece relative fixed contiguous block rotates 180 degree, described fixture block extend into and forms engaging in the described depression, and described fixture block is arranged on described groove downside.
2. the structure-improved of seat as claimed in claim 1, it is characterized in that described fixedly connected opposite side is provided with a cover plate (34), be provided with described retractor device between described cover plate and the described outside of fixedlying connected piece, described retractor device comprises a movable block (320), this movable block is arranged in another depression (321) of described fixedly connected outside front end, this another depression communicates with described groove and another groove (322) that holds described fixture block respectively, one end and the described movable block inboard of described fixture block are affixed, described groove is provided with another fixture block (323), the end of this another fixture block and described movable block inboard are affixed, be provided with compression spring (324) between the described movable block outside and the described cover plate inboard, the length of described fixture block is greater than the length of described another fixture block, when bearing pin is horizontal, one end of bearing pin is stretched into described groove and is withstood the inner face of described another fixture block, described fixture block inner face does not stretch out described fixedly connected interface, when bearing pin is in vertical position, after described flexible connection piece relative fixed contiguous block rotated 180 degree, described another fixture block did not stretch out described fixedly connected interface.
3. the structure-improved of seat as claimed in claim 1, the inner face that it is characterized in that described another fixture block is the inclined-plane.
4. the structure-improved of seat as claimed in claim 1 is characterized in that the corresponding semi-cylindrical recesses of described rotating shaft position radially opened a through hole (50), and described bearing pin is affixed by through hole and described rotating shaft, and this through hole is stretched out at the two ends of described bearing pin respectively.
5. the structure-improved of seat as claimed in claim 1 is characterized in that described two contiguous blocks (3,4) are joined together to form by bolt (6) to be rotatably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200462956U CN201194668Y (en) | 2008-04-14 | 2008-04-14 | Improved structure of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200462956U CN201194668Y (en) | 2008-04-14 | 2008-04-14 | Improved structure of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201194668Y true CN201194668Y (en) | 2009-02-18 |
Family
ID=40414306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200462956U Expired - Fee Related CN201194668Y (en) | 2008-04-14 | 2008-04-14 | Improved structure of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201194668Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106213871A (en) * | 2016-08-17 | 2016-12-14 | 合肥召洋电子科技有限公司 | A kind of rotation bracket structure on office chair |
-
2008
- 2008-04-14 CN CNU2008200462956U patent/CN201194668Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106213871A (en) * | 2016-08-17 | 2016-12-14 | 合肥召洋电子科技有限公司 | A kind of rotation bracket structure on office chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 |