CN213757455U - Telescopic seat writing board - Google Patents
Telescopic seat writing board Download PDFInfo
- Publication number
- CN213757455U CN213757455U CN202022508272.6U CN202022508272U CN213757455U CN 213757455 U CN213757455 U CN 213757455U CN 202022508272 U CN202022508272 U CN 202022508272U CN 213757455 U CN213757455 U CN 213757455U
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- CN
- China
- Prior art keywords
- writing board
- support
- rod
- board
- seat
- 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
本实用新型公开了一种可伸缩的座椅写字板，包括安装架，安装架顶部一端铰接支撑座，支撑座可绕铰接轴前后转动至水平位置，支撑座上面铰接支撑板，螺钉将伸缩写字板连接组件固定在支撑板上，伸缩写字板连接组件上安装有左写字板、右写字板、滑槽杆、滑杆及滑轮，支撑板及伸缩写字板连接组件可绕铰接轴旋转，十字轴圆柱螺钉将滑槽杆固定安装在左写字板、右写字板前后两边，滑轮铰接在滑杆上，滑杆及滑轮在左、右写字板上的滑槽杆的滑槽上滑动，左写字板底部安装支撑杆及支撑架，螺钉将支撑架固定在右写字板上，支撑架将支撑杆安装在右写字板上，并通过左、右写字板上的U型槽进行左右滑动，支撑左写字板。本实用新型的座椅写字板结构，增加使用了面积，支撑结构稳定可靠，收拢时有效利用了空间资源，结构简单，操作方便。
The utility model discloses a retractable seat writing board, which comprises an installation frame, one end of the top of the installation frame is hinged with a support seat, the support seat can be rotated back and forth around a hinge shaft to a horizontal position, a support plate is hinged on the support seat, and a screw is connected to the retractable writing board. The board connecting component is fixed on the support plate, and the telescopic writing board connecting component is equipped with a left writing board, a right writing board, a chute rod, a sliding rod and a pulley. Cylindrical screws fix the chute rods on the left and right writing boards on the front and back sides, the pulleys are hinged on the sliding rods, and the sliding rods and pulleys slide on the chute rods on the left and right writing boards. The support rod and support frame are installed at the bottom, and the support frame is fixed on the right writing board by screws. The support frame installs the support rod on the right writing board, and slides left and right through the U-shaped grooves on the left and right writing boards to support the left writing board. plate. The chair writing board structure of the utility model increases the usable area, the supporting structure is stable and reliable, the space resources are effectively utilized when folded, the structure is simple, and the operation is convenient.
Description
Technical Field
The utility model relates to an office chair technical field, in particular to telescopic seat board.
Background
In an existing office chair, a plate body is generally arranged on one side of the chair. The writing board in the prior art realizes that the board body is horizontally placed and vertically folded through overturning, the structure causes that the use area is relatively small, the use is inconvenient, and the structural stability is poor when the writing board is used after overturning.
Disclosure of Invention
The utility model aims to solve the shortcoming and not enough that exist among the above-mentioned prior art, provide a telescopic seat board, its simple structure is reasonable, makes convenient assembling, and the operation is used conveniently, easily increases usable floor area, and convenience of customers uses.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a telescopic seat board, including the mounting bracket, the articulated supporting seat of mounting bracket top one end, the supporting seat can be around the articulated shaft around rotating to horizontal position, articulated backup pad above the supporting seat, the screw is fixed flexible board coupling assembling in the backup pad, install left board on the flexible board coupling assembling, right board, the spout pole, slide bar and pulley, backup pad and flexible board coupling assembling can be rotatory around the articulated shaft, cross axle cylinder screw with spout pole fixed mounting on left board, both sides around the right board, the pulley articulates on the slide bar, slide bar and pulley slide on the spout of the spout pole on left and right board, left board bottom erection bracing piece and support frame, the screw is fixed the support frame on right board, the support frame is installed the bracing piece on right board, and through a left side, a right side, the support frame is installed the bracing piece on right board, and through a left side, The U-shaped groove on the right writing board slides left and right to support the left writing board.
Preferably, the support plate and the right writing plate are fixed by screws and can rotate to the horizontal position from the vertical position around the rotating shaft axis.
Preferably, the support rod can slide from the U-shaped groove of the right writing board to the U-shaped groove of the left writing board when the left writing board is stretched.
Preferably, the right writing board is initially superposed on the upper surface of the left writing board, the right writing board slides to the left along the upper surface of the left writing board, the right writing board drives the sliding rod to slide, the right writing board finally slides to the same plane as the left writing board, and the bottom supporting rod of the right writing board slides to the U-shaped groove of the left writing board to be fixed.
Preferably, the front and rear pulleys on the slide bar can only slide in the range of the cross axle cylindrical screw fixed in front and rear of the left and right slide groove bars.
To sum up, the utility model discloses a telescopic seat board adopts left board stack to slide on right board and realizes extending and shrink, left side board slides left to horizontal position, right side board bottom sprag pole slides the U type groove of left board and makes it fixed and support, and left and right board has increased usable floor area, and its simple structure is reasonable, makes convenient assembling, and the operation is convenient.
Drawings
FIG. 1 is a schematic view of the retractable chair writing board of the present invention when retracted
FIG. 2 is a schematic view of the retractable chair writing board of the present invention when it is unfolded
FIG. 3 is a schematic view of the bottom structure of a retractable chair writing board of the present invention
Wherein: the writing board comprises a mounting frame 1, a connecting plate 2, a sliding groove rod 3, a sliding rod 4, a pulley 5, a cross axle cylindrical screw 6, a left writing board 7, a right writing board 8, a support frame 9, a support rod 10, a support seat 11 and a support plate 12.
Detailed Description
The retractable chair writing board of the present invention will be further described with reference to fig. 1-3.
The telescopic chair writing board shown in the attached figure 1 comprises an installation frame 1, wherein the installation frame 1 is of a rectangular structure cut by a plate, a joint is welded at one end of the top of the installation frame 1, the installation frame 1 and a connecting plate 2 are fixed and positioned by screws, the connecting plate 2 belongs to a T-shaped structure, and the T-shaped middle part of the connecting plate 2 is in contact with a supporting seat 11; supporting seat 11 and mounting bracket 1 are articulated in the department of connecting, and supporting seat 11 can rotate around the articulated shaft, and supporting seat 11 is formed by the panel welding, and the welding of 11 front ends of supporting seat has square structure, and 11 upper surface right sides of supporting seat have welded two and have connected, and supporting seat 11 is articulated in the department of connecting with backup pad 12, and backup pad 12 can rotate around the articulated shaft.
As shown in fig. 1, a retractable chair writing board, a right writing board 8 is fixed on a supporting plate 12 by screws, and a supporting frame 9 and a supporting rod 10 are arranged at the bottom of the right writing board 8; the support frame 9 is fixed at the bottom of the right writing board 8 by a screw, the left writing board 7 is superposed on the right writing board 8, U-shaped grooves are formed at the bottoms of the left writing board 7 and the right writing board 8, and the support rod 10 can slide in the U-shaped grooves at the bottoms of the left writing board 7 and the right writing board 8; the front and back sides of the left writing board 7 and the right writing board 8 are provided with fixed sliding groove rods 3 by cross shaft cylindrical screws 6, and the number of the sliding groove rods 3 is four; sliding rods 4 are arranged on the sliding groove rods 3 on the front side and the rear side, and pulleys 5 are arranged at the left end and the right end of each sliding rod 4; the left and right end pulleys 5 on the sliding rod 4 are respectively contacted with the sliding grooves of the sliding groove rods 3 of the left writing board 7 and the right writing board 8, the sliding rod 4 can move by rolling the left and right end pulleys 5 in the sliding grooves of the sliding groove rods 3, and the pulleys 5 can only roll in the range of two cross-axis cylindrical screws 6 in the sliding groove rods 3.
When the writing board is used, the left writing board 7, the right writing board 8 and the supporting board 12 are turned to the horizontal position along with the supporting seat 11 around the rotating shaft in a counterclockwise way, and the structural schematic diagram is shown in the attached figure 1; the use process is further explained by combining with the attached drawings 1-2, the left writing board 7 is superposed on the right writing board 8 and rotates anticlockwise to the horizontal position from the vertical position along with the supporting board 12, the left writing board 7 is superposed on the upper surface of the right writing board 8 in the initial state, the left writing board 7 slides leftwards along the upper surface of the right writing board 8, the left writing board 7 drives the sliding rod 4 to slide, the left writing board 7 finally slides to the same plane with the right writing board 8, the supporting rod 10 at the bottom of the right writing board 8 slides to the U-shaped groove of the left writing board 7 to fixedly support the left writing board 7, and meanwhile, the supporting board 12 fixedly supports the right writing board 8. To this end, the chair tablet is fully extended as shown in figures 2-3; when the device is retracted, the unfolding process is reversed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only for illustrating the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022508272.6U CN213757455U (en) | 2020-11-03 | 2020-11-03 | Telescopic seat writing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022508272.6U CN213757455U (en) | 2020-11-03 | 2020-11-03 | Telescopic seat writing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213757455U true CN213757455U (en) | 2021-07-23 |
Family
ID=76913808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022508272.6U Expired - Fee Related CN213757455U (en) | 2020-11-03 | 2020-11-03 | Telescopic seat writing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213757455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116659475A (en) * | 2023-06-06 | 2023-08-29 | 北京恒兴华建科技有限公司 | A surveying and mapping device for comprehensive land improvement |
-
2020
- 2020-11-03 CN CN202022508272.6U patent/CN213757455U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116659475A (en) * | 2023-06-06 | 2023-08-29 | 北京恒兴华建科技有限公司 | A surveying and mapping device for comprehensive land improvement |
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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: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |