CN220327126U - Angle-adjustable writing board - Google Patents
Angle-adjustable writing board Download PDFInfo
- Publication number
- CN220327126U CN220327126U CN202321425680.2U CN202321425680U CN220327126U CN 220327126 U CN220327126 U CN 220327126U CN 202321425680 U CN202321425680 U CN 202321425680U CN 220327126 U CN220327126 U CN 220327126U
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- writing board
- fixedly connected
- bearing
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model discloses an angle-adjustable writing board, which comprises a rotary connecting box, wherein a rotary contact cavity is arranged in the rotary connecting box, a bearing mechanism is arranged at the lower end of the rotary connecting box, a transmission mechanism is arranged in the rotary contact cavity, and a deflection mechanism is arranged at the upper end of the rotary connecting box; according to the utility model, the bearing telescopic shaft, the rotary connecting box, the bearing main cylinder and the bearing bottom plate are arranged, so that the convenience for adjusting the use height of the writing board is improved, and the range of the use diameter of the writing board is increased; through setting up rotatory footstock, control slide shaft, control spring, meshing piece, gas switch, deflection inflator and deflection lift axle, improved the adjustable range of clipboard angle adjustment, improved the position reliability after the clipboard locking angle adjustment, improved the controllability of device, improved the practicality of clipboard.
Description
Technical Field
The utility model relates to the field of writing learning tools, in particular to an angle-adjustable writing board.
Background
The writing board is a common learning tool used by students in the process of learning or doing work, is mainly used for being used for doing work on a table, can be lifted up in angle to facilitate writing, and further, in order to achieve the function, the bottom of the writing board is generally provided with a supporting structure with adjustable angle, but the existing supporting structure is too complex, more parts and high in cost, and is inconvenient to adjust and fix;
in this regard, chinese patent publication No. CN213820595U discloses a multifunctional writing board with convenient angle adjustment, which comprises a board body, wherein a rotatable supporting frame is provided at the bottom of the board body, two sides of the bottom of the board body are provided with a connecting part, and two ends of the supporting frame are connected with the two connecting parts through a clamping rotating structure; the writing board adopts the rotating shaft structure linkage supporting frame capable of clamping to adjust, the whole structural design is very simple, economical and practical, the operation is very convenient, and the fixing effect after adjustment is good;
however, in the patent of the utility model, the angle deflection is achieved by means of the installation and adjustment of the linkage support frame, the adjustment direction is relatively fixed, the support structure is difficult to use in most use occasions, the angle and structure adjustment is relatively complicated, and the practicability is relatively poor.
Disclosure of Invention
The utility model aims to provide an angle-adjustable writing board, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the angle-adjustable writing board comprises a rotary connecting box, wherein a rotary contact cavity is arranged in the rotary connecting box, a bearing mechanism is arranged at the lower end of the rotary connecting box, a transmission mechanism is arranged in the rotary contact cavity, and a deflection mechanism is arranged at the upper end of the rotary connecting box;
the bearing mechanism can bear the writing board, the transmission mechanism can adjust the rotation direction of the writing board and control deflection release and tightening, and the deflection mechanism can adjust the deflection direction.
The bearing mechanism comprises a bearing telescopic shaft which is rotationally connected with the lower end face of the rotary connecting box, a bearing main barrel is rotationally connected with the lower end of the bearing telescopic shaft, and a bearing bottom plate is fixedly connected with the lower end face of the bearing main barrel.
Advantageously, the transmission mechanism comprises a rotary top seat rotatably connected in the lower end wall of the rotary contact cavity, the rotary top seat penetrating through the upper end wall of the rotary contact cavity;
a control sliding shaft penetrates through the right end wall of the rotary contact cavity, and a gas switch is fixedly connected in the right end wall of the rotary contact cavity;
the rotary connecting box is characterized in that a control spring is fixedly connected to the right end face of the rotary connecting box, the right end of the control spring is fixedly connected with the control sliding shaft, a meshing block is fixedly connected to the left end face of the control sliding shaft and located in the rotary contact cavity, and the meshing blocks are mutually matched at the positions of the gas switch.
The deflection mechanism comprises a deflection installation bottom plate fixedly connected to the rear end face of the rotary top seat, and a deflection inflator is fixedly connected to the upper end face of the deflection installation bottom plate;
the upper end face of the rotary connecting box is connected with the deflection mounting bottom plate in a sliding manner, a deflection lifting cavity is arranged in the deflection inflator, a deflection air cavity is arranged in the lower end wall of the deflection lifting cavity, and the deflection air cavity is communicated with the rotary contact cavity;
the deflection lifting cavity is in sliding connection with a deflection lifting shaft, the upper end surface of the deflection lifting shaft is fixedly connected with a writing top plate, and the upper end surface of the rotary top seat is fixedly connected with a deflection base;
the upper end of the deflection base is rotatably connected with a deflection following shaft, and the upper end face of the deflection following shaft is fixedly connected with the writing top plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the bearing telescopic shaft, the rotary connecting box, the bearing main cylinder and the bearing bottom plate are arranged, so that the bearing telescopic shaft can be rotated in the bearing main cylinder under the bearing action of the bearing bottom plate to enable the bearing telescopic shaft to stretch and drive the rotary connecting box to lift, thereby completing the height adjustment, improving the convenience of adjusting the using height of the writing board and improving the using diameter range of the writing board;
through setting up rotatory footstock, control slide shaft, control spring, engagement piece, gas switch, deflection inflator and deflection lift axle, can keep away from or the opening of synchronous control gas switch when the rotatory footstock of engagement is driven to the control slide shaft to release the active state of deflection lift axle in the deflection inflator, resume gas switch off state and fixed position after the adjustment under control spring's effect, improved the adjustable range of clipboard angle adjustment, improved the position reliability after the clipboard locking angle adjustment, improved the control performance of device, improved the practicality of clipboard.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a right side view of the illustration of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic view of the internal structure of the present utility model;
FIG. 5 is a schematic left-hand view of FIG. 4 in accordance with the present utility model;
FIG. 6 is an enlarged partial schematic view of the deflection lift shaft of FIG. 5 in accordance with the present utility model;
fig. 7 is an enlarged partial schematic view of the present utility model at the control slide of fig. 4.
In the figure: 11. a carrying mechanism; 12. a transmission mechanism; 13. a deflection mechanism; 15. a rotary connection box; 16. a rotary contact chamber; 17. rotating the top base; 18. a deflection base; 19. deflecting the follower shaft; 20. a writing top plate; 21. deflecting the lifting shaft; 22. a bearing main cylinder; 23. a bearing bottom plate; 24. controlling a sliding shaft; 25. deflecting the mounting base plate; 26. deflecting the lifting cavity; 27. deflecting the air cavity; 28. deflecting the inflator; 29. a meshing block; 30. a gas switch; 31. a control spring; 32. and a bearing telescopic shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-7, the present utility model provides a technical solution: the angle-adjustable writing board comprises a rotary connecting box 15, wherein a rotary contact cavity 16 is formed in the rotary connecting box 15, a bearing mechanism 11 is arranged at the lower end of the rotary connecting box 15, a transmission mechanism 12 is arranged in the rotary contact cavity 16, and a deflection mechanism 13 is arranged at the upper end of the rotary connecting box 15;
the bearing mechanism 11 can bear the writing board, the transmission mechanism 12 can adjust the rotation direction of the writing board and control deflection release and tightening, the deflection mechanism 13 can adjust the deflection direction, the weight bearing telescopic shaft 32 is rotated in the bearing main cylinder 22 according to the use height, and the whole rotary connecting box 15 is lifted to a proper height position under the action of the bearing bottom plate 23 after the weight bearing telescopic shaft 32 is stretched.
The bearing mechanism 11 comprises a bearing telescopic shaft 32 rotatably connected to the lower end face of the rotary connecting box 15, the lower end of the bearing telescopic shaft 32 is rotatably connected with a bearing main cylinder 22, and the lower end face of the bearing main cylinder 22 is fixedly connected with a bearing bottom plate 23.
The transmission mechanism 12 comprises a rotary top seat 17 rotatably connected in the lower end wall of the rotary contact cavity 16, and the rotary top seat 17 penetrates through the upper end wall of the rotary contact cavity 16;
a control sliding shaft 24 is rotatably connected to the right end wall of the rotary contact cavity 16, the control sliding shaft 24 penetrates through the right end wall of the rotary contact cavity 16, and a gas switch 30 is fixedly connected to the inside of the right end wall of the rotary contact cavity 16;
the right end face of the rotary connecting box 15 is fixedly connected with a control spring 31, the right end of the control spring 31 is fixedly connected with the control sliding shaft 24, the left end face of the control sliding shaft 24 is fixedly connected with an engagement block 29, the engagement block 29 is positioned in the rotary contact cavity 16, the engagement blocks 29 are mutually matched with each other at the position of the gas switch 30, the control sliding shaft 24 drives the engagement block 29 and the rotary top seat 17 to be disengaged in the rotary contact cavity 16, so that the rotary top seat 17 is released, and meanwhile, the deflection lifting shaft 21 is released after the engagement block 29 moves right to press the gas switch 30.
The deflection mechanism 13 comprises a deflection mounting bottom plate 25 fixedly connected to the rear end surface of the rotary top seat 17, and a deflection inflator 28 is fixedly connected to the upper end surface of the deflection mounting bottom plate 25;
the upper end surface of the rotary connecting box 15 is in sliding connection with the deflection mounting bottom plate 25, a deflection lifting cavity 26 is arranged in the deflection air cylinder 28, a deflection air cavity 27 is arranged in the lower end wall of the deflection lifting cavity 26, and the deflection air cavity 27 is communicated with the rotary contact cavity 16;
a deflection lifting shaft 21 is connected in a sliding manner in the deflection lifting cavity 26, the upper end surface of the deflection lifting shaft 21 is fixedly connected with a writing top plate 20, and the upper end surface of the rotary top seat 17 is fixedly connected with a deflection base 18;
the upper end of the deflection base 18 is rotatably connected with a deflection following shaft 19, the upper end face of the deflection following shaft 19 is fixedly connected with the writing top plate 20, the rotation writing top plate 20 drives the deflection following shaft 19, the deflection base 18 and the rotation top plate 17 to synchronously rotate to a required angle in the lower end wall of the rotation contact cavity 16, then the edge of the writing top plate 20 is pressed to drive the deflection lifting shaft 21 to follow and lift, so that gas in the deflection lifting cavity 26 is driven to be released or absorbed and supplemented in the gas switch 30 through a pipeline, the sliding shaft 24 is controlled under the action of the control spring 31 to drive the engagement block 29 to move left in the rotation contact cavity 16 to engage the rotation top plate 17, and simultaneously the engagement block 29 is far away from the gas switch 30 to close the gas switch 30, so that the gas volume in the deflection lifting cavity 26 is fixedly maintained.
Working principle:
when the rotary connecting box is used, the deflection air cavity 27 is communicated to the air switch 30 through a pipeline, the bearing telescopic shaft 32 is rotated in the bearing main cylinder 22 according to the use height, and the rotary connecting box 15 is integrally lifted to a proper height position under the action of the bearing bottom plate 23 after the bearing telescopic shaft 32 is stretched, so that the installation and the fixation are completed;
when the release angle is adjusted, the control sliding shaft 24 is pulled rightwards to drive the engagement block 29 and the rotary top seat 17 to be disengaged in the rotary contact cavity 16, so that the rotary top seat 17 is released, and meanwhile, the deflection lifting shaft 21 is released after the engagement block 29 moves rightwards to press the gas switch 30;
when the angle is adjusted, the writing top plate 20 is pressed or rotated to different positions, the angle is adjusted according to the requirement, the rotating writing top plate 20 drives the deflection following shaft 19, the deflection base 18 and the rotating top seat 17 to synchronously rotate to the required angle in the lower end wall of the rotating contact cavity 16, then the edge of the writing top plate 20 is pressed to drive the deflection lifting shaft 21 to follow and lift, so that gas in the deflection lifting cavity 26 is driven to release or absorb and supplement in the gas switch 30 through a pipeline, the control sliding shaft 24 is released after the angle adjustment is carried out, at the moment, the control sliding shaft 24 drives the engagement block 29 to move left in the rotating contact cavity 16 under the action of the control spring 31 to engage the rotating top seat 17 to fix the rotating position of the rotating top seat 17, and meanwhile, the engagement block 29 is far away from the gas switch 30 to close the gas switch 30, so that the gas volume in the deflection lifting cavity 26 is fixedly maintained, the position of the deflection lifting shaft 21 is fixed, and the adjustment gesture of the writing top plate 20 is limited.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an angularly adjustable clipboard, includes swivelling joint case (15), its characterized in that, swivelling joint case (15) is equipped with rotatory contact chamber (16), swivelling joint case (15) lower extreme is equipped with bears mechanism (11), be equipped with drive mechanism (12) in rotatory contact chamber (16), swivelling joint case (15) upper end is equipped with deflection mechanism (13);
the bearing mechanism (11) can bear the writing board, the transmission mechanism (12) can adjust the rotation direction of the writing board and control deflection release and tightening, and the deflection mechanism (13) can adjust the deflection direction.
2. An angularly adjustable writing board according to claim 1, characterized in that the bearing means (11) comprises a bearing telescopic shaft (32) rotatably connected to the lower end surface of the rotary connection box (15), the lower end of the bearing telescopic shaft (32) is rotatably connected with a bearing main barrel (22), and the lower end surface of the bearing main barrel (22) is fixedly connected with a bearing bottom plate (23).
3. An angularly adjustable writing board according to claim 1, wherein the transmission means (12) comprises a rotary top seat (17) rotatably connected in the lower end wall of the rotary contact chamber (16), said rotary top seat (17) extending through the upper end wall of the rotary contact chamber (16).
4. An angularly adjustable writing board according to claim 3, characterized in that the right end wall of the rotary contact chamber (16) is rotatably connected with a control slide shaft (24), the control slide shaft (24) penetrates through the right end wall of the rotary contact chamber (16), and a gas switch (30) is fixedly connected in the right end wall of the rotary contact chamber (16).
5. The angle-adjustable writing board according to claim 4, wherein a control spring (31) is fixedly connected to the right end face of the rotary connecting box (15), the right end of the control spring (31) is fixedly connected to the control sliding shaft (24), an engagement block (29) is fixedly connected to the left end face of the control sliding shaft (24), the engagement block (29) is located in the rotary contact cavity (16), and the engagement blocks (29) are mutually matched in the position of the gas switch (30).
6. An angularly adjustable writing board according to claim 3, characterized in that the deflection mechanism (13) comprises a deflection mounting base plate (25) fixedly connected to the rear end face of the rotary top base (17), and the upper end face of the deflection mounting base plate (25) is fixedly connected with a deflection air cylinder (28).
7. An angularly adjustable writing board according to claim 6, characterized in that the upper end face of the rotary connecting box (15) is slidably connected with the deflection mounting base plate (25), a deflection lifting cavity (26) is arranged in the deflection air cylinder (28), a deflection air cavity (27) is arranged in the lower end wall of the deflection lifting cavity (26), and the deflection air cavity (27) is mutually communicated with the rotary contact cavity (16).
8. An angle-adjustable writing board according to claim 7, wherein a deflection lifting shaft (21) is slidably connected in the deflection lifting cavity (26), a writing top plate (20) is fixedly connected to the upper end surface of the deflection lifting shaft (21), and a deflection base (18) is fixedly connected to the upper end surface of the rotary top seat (17).
9. An angle-adjustable writing board according to claim 8, wherein the upper end of the deflection base (18) is rotatably connected with a deflection following shaft (19), and the upper end surface of the deflection following shaft (19) is fixedly connected with the writing top plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425680.2U CN220327126U (en) | 2023-06-06 | 2023-06-06 | Angle-adjustable writing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425680.2U CN220327126U (en) | 2023-06-06 | 2023-06-06 | Angle-adjustable writing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220327126U true CN220327126U (en) | 2024-01-12 |
Family
ID=89445840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425680.2U Active CN220327126U (en) | 2023-06-06 | 2023-06-06 | Angle-adjustable writing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220327126U (en) |
-
2023
- 2023-06-06 CN CN202321425680.2U patent/CN220327126U/en active Active
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