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
- board
- support frame
- supporting seat
- slide
- fixed
- 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
Links
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a telescopic seat board, which comprises a 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 chute pole, slide bar and pulley, backup pad and flexible board coupling assembling can rotate around the articulated shaft, cross axle cylinder screw is with chute 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 chute 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 with the bracing piece installation on right board, and through a left side, a right side, the support frame is through the articulated supporting seat of left side, the support frame is through the pivot, the support frame is connected with the support frame, the support frame is connected with the support frame, the support frame is connected with the support frame, the support frame is connected with the support frame, the, The U-shaped groove on the right writing board slides left and right to support the left writing board. The utility model discloses a chair board structure has increased the area of using, and bearing structure is reliable and stable, has effectively utilized space resources when drawing in, simple structure, convenient operation.
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)
1. A telescopic chair writing board is characterized in that: comprises a mounting frame (1), the mounting frame (1) is of a rectangular structure cut by plates, one end of the top of the mounting frame is welded with a joint, the mounting frame (1) and a connecting plate (2) are fixed and positioned by screws, the connecting plate (2) belongs to a T-shaped structure, the middle part of the T-shaped connecting plate (2) is contacted with a supporting seat (11), the supporting seat (11) is hinged with the mounting frame (1) at the joint, the supporting seat (11) can rotate around a hinged shaft, the supporting seat (11) is formed by welding plates, the front end of the supporting seat (11) is welded with a square structure, the right side of the upper surface of the supporting seat (11) is welded with two joints, the supporting seat (11) is hinged with a supporting plate (12) at the joint, the supporting plate (12) can rotate around the hinged shaft, the supporting plate (12) and a right writing plate (8) are fixed and positioned by screws, support frame (9) and bracing piece (10) are installed to right side board (8) bottom, support frame (9) are fixed in right side board (8) bottom by the screw, stack left board (7) above right board (8), open there is U type groove left side board (7) and right board (8) bottom, bracing piece (10) can slide in left board (7) and right board (8) bottom U type groove, both sides are fixed spout pole (3) by cross axle cylinder screw (6) installation around left board (7) and right board (8), slide bar (4) and pulley (5) are installed to spout pole (3), pulley (5) are fixed at slide bar (4) both ends, slide bar (4) both ends and pulley (5) are respectively on two spout poles (3), slide bar (4) and pulley (5) can move in the spout of spout pole (3), the left writing board (7) is moved by the sliding rod (4) to realize contraction and expansion.
2. A retractable chair tablet according to claim 1, wherein: the supporting plate (12) and the right writing plate (8) can rotate from a horizontal position to a vertical position around the axis of the rotating shaft after being fixed by screws.
3. A retractable chair tablet according to claim 1, wherein: when the left writing board (7) is stretched, the supporting rod (10) can slide to the U-shaped groove of the left writing board (7) along the U-shaped groove of the right writing board (8).
4. A retractable chair tablet according to claim 1, wherein: left side board (7) initial state superposes at right board (8) upper surface, left side board (7) are followed right board (8) upper surface and are slided to left, left side board (7) drive slide bar (4) slide, left side board (7) finally slide to with right board (8) coplanar, right side board (8) bottom sprag pole (10) slide to the U type groove fixed support left board (7) of left board (7).
5. A retractable chair tablet according to claim 1, wherein: the front and the rear pulleys (5) on the slide bar (4) can only slide in the range of the cross-shaft cylindrical screws (6) fixed in the front and the rear of the left and the right slide groove bars (3).
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) |
-
2020
- 2020-11-03 CN CN202022508272.6U patent/CN213757455U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |