CN215502044U - Slidingtype clipboard with damping noise control function - Google Patents
Slidingtype clipboard with damping noise control function Download PDFInfo
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- CN215502044U CN215502044U CN202121477413.0U CN202121477413U CN215502044U CN 215502044 U CN215502044 U CN 215502044U CN 202121477413 U CN202121477413 U CN 202121477413U CN 215502044 U CN215502044 U CN 215502044U
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Abstract
The utility model relates to a sliding writing board with vibration-damping and noise-preventing functions, which comprises: the first frame comprises a first fixed block, the first fixed block is provided with a fixed pulley and a sling, the fixed pulley and the sling are used for the front writing board and the rear writing board to slide alternately, one end of the sling is fixed with the front writing board, and the other end of the sling is fixed with the rear writing board; the first fixed block is also provided with a first vibration damping pad; the second frame is vertically fixed at two ends of the first frame and is abutted against end faces of two ends of the first frame, the second frame comprises a second fixed block, and a second vibration damping pad is arranged on the second fixed block; when the front writing board moves to the uppermost end, the top of the front writing board is abutted with the first vibration damping pad, and the bottom of the rear writing board is abutted with the second vibration damping pad; when the front writing board moves to the lowest end, the bottom of the front writing board is abutted to the second vibration damping pad, and the top of the rear writing board is abutted to the first vibration damping pad, so that the effects of buffering and vibration damping are achieved.
Description
Technical Field
The utility model relates to the field of teaching aids, in particular to a sliding type writing board with vibration and noise reduction functions.
Background
The sliding type writing board is a common teaching tool, has the characteristics of large writing area, sliding alternate use and the like, and is widely applied to scenes such as large classrooms, meeting rooms and the like. Along with the development of present multimedia technology, traditional clipboard is replaced by multimedia clipboard all-in-one gradually, has richened the function of clipboard but has increased the weight of clipboard, so when the clipboard slides from top to bottom in turn, produces great vibration and noise easily, and user experience is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that the existing sliding writing board is easy to generate larger vibration and noise in the sliding process, thereby providing the sliding writing board with the functions of vibration reduction and noise prevention.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a sliding-type writing board having vibration-damping and noise-preventing functions, comprising:
the first frame comprises a first fixed block, the first fixed block is provided with a fixed pulley and a sling, the fixed pulley and the sling are used for the front writing board and the rear writing board to slide alternately, one end of the sling is fixed with the front writing board, and the other end of the sling is fixed with the rear writing board; the first fixed block is also provided with a first vibration damping pad;
the second frame is vertically fixed at two ends of the first frame and is abutted against end faces of two ends of the first frame, the second frame comprises a second fixed block, and a second vibration damping pad is arranged on the second fixed block;
when the front writing board moves to the uppermost end, the top of the front writing board is abutted with the first vibration damping pad, and the bottom of the rear writing board is abutted with the second vibration damping pad; when the front writing board moves to the lowest end, the bottom of the front writing board is abutted to the second vibration damping pad, and the top of the rear writing board is abutted to the first vibration damping pad.
Preferably, the first fixing block is an L-shaped sheet metal part and is provided with a first connecting part and a second connecting part, the first connecting part is fixed with the first edge frame, the second connecting part is flush with the end face of one end of the first edge frame, and the fixed pulley is fixed on the inner surface of the second connecting part; and a third connecting part is vertically extended from the end part of the second connecting part, and the first damping pad is fixed on the first fixing block.
Preferably, the bottom of the first side frame further includes a third vibration-damping pad, and the front or rear writing board top abuts against the third vibration-damping pad when the front or rear writing board moves to the uppermost end.
Preferably, preceding clipboard with back clipboard all includes the third frame, the third frame is located respectively preceding clipboard with back clipboard both sides, the third frame includes connecting portion and removal portion.
Preferably, the moving part comprises a first accommodating cavity and a second accommodating cavity, the second accommodating cavity is located outside the first accommodating cavity, the third frame further comprises a hanging block and a guide wheel, the hanging block is fixed in the first accommodating cavity and fixed with the sling, and the guide wheel is arranged on the outer surface of the second accommodating cavity.
Preferably, the second frame further comprises two guide rails corresponding to guide wheels of the front writing board and the rear writing board, the number of the guide wheels is 2, and each guide wheel is in rolling connection with only one side of the guide rail.
Preferably, the third frame further comprises guide wheel fixing gaskets, the guide wheel fixing gaskets are arranged in the second accommodating cavities, and the central shafts of the two guide wheels penetrate through the side surfaces of the second accommodating cavities and are fixed on the guide wheel fixing gaskets.
Compared with the prior art, the utility model has the beneficial effects that:
according to the sliding type writing board with the vibration and noise reduction functions, when a user pulls the front writing board to the uppermost end, the top of the front writing board is abutted to the first vibration reduction pad, and the bottom of the rear writing board is abutted to the second vibration reduction pad conveniently; writing board removes the bottommost end before the pulling, and the bottom of preceding writing board just fills up the butt with the second damping, and the top of back writing board is convenient for first damping pad butt, through setting up the damping pad, plays the cushioning effect when the writing board removes the end, reduces the noise and the vibration correspondingly that writing board and frame collision produced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a writing board according to an embodiment of the present invention.
Fig. 2 is an exploded view of a partial structure of the tablet shown in fig. 1.
Fig. 3 is a schematic structural view of a first frame of the tablet shown in fig. 1.
Fig. 4 is a partial structural view of a second frame of the tablet shown in fig. 1.
Fig. 5 is a schematic cross-sectional view of the tablet shown in fig. 1.
Fig. 6 is a partial structural view of a third frame of the tablet shown in fig. 1.
Fig. 7 is a schematic structural view of a first fixing block of the tablet shown in fig. 1.
Fig. 8 is a structural view illustrating a second fixing block of the tablet shown in fig. 1.
Description of reference numerals:
1. a first frame; 11. A first fixed block; 111. A first connection portion;
112. a second connection portion 1121, a fixed pulley; 1122. A sling;
113. a third connecting portion; 1131. A first vibration damping pad; 12. A third vibration damping pad;
2. a second frame; 21. A second fixed block; 211. A second vibration damping pad;
22. a guide rail; 3. A third frame; 31. A connecting portion;
32. a moving part; 321. A first accommodating chamber; 322. A second accommodating chamber;
33. a hanging block; 34. A guide wheel; 35. The guide wheel fixes the gasket;
4. a front writing board; 5. A rear writing board.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the present invention provides a sliding type writing board with vibration reduction and noise prevention functions, as shown in fig. 1, fig. 2, fig. 7, and fig. 8, including: the first frame 1 comprises a first fixing block 11, wherein the first fixing block 11 is provided with a fixed pulley 1121 and a sling 1122 which are used for the front writing board 4 and the rear writing board 5 to slide alternately, one end of the sling 1122 is fixed with the front writing board 4, and the other end of the sling 1122 is fixed with the rear writing board 5; the first fixed block 11 is also provided with a first damping pad 1131; the second frame 2 is vertically fixed at two ends of the first frame 1 and is abutted against end faces of two ends of the first frame 1, the second frame 2 comprises a second fixed block 21, and a second vibration damping pad 211 is arranged on the second fixed block 21; when the front writing board 4 moves to the uppermost end, the top of the front writing board 4 abuts against the first vibration damping pad 1131, and the bottom of the rear writing board 5 abuts against the second vibration damping pad 211; when front tablet 4 moves to the lowermost end, the bottom of front tablet 4 abuts second vibration-damping pad 211, and the top of rear tablet 5 abuts first vibration-damping pad 1131.
Based on the above embodiment, when the user pulls the front tablet to the uppermost end, the top of the front tablet 4 abuts against the first vibration-damping pad 1131, and the bottom of the rear tablet 5 abuts against the second vibration-damping pad 211; writing board 4 removes the bottommost end before the pulling, and the bottom of preceding writing board 4 just with second damping pad 211 butt, the first damping pad 1131 butt of being convenient for of top of back writing board 5 through setting up the damping pad, plays the cushioning effect when the writing board removes the end, reduces noise and the vibration correspondingly that writing board and frame collision produced.
Preferably, as shown in fig. 7, the first fixing block 11 is an L-shaped sheet metal part, and a regular shape and a common processing technology are adopted to control the material cost; the first fixed block 11 has the first joint part 111 and the second joint part 112, the first joint part 111 is fixed with the first frame 1, the second joint part 112 is flush with the end surface of one end of the first frame 1, it can be inferred from the above-mentioned second frame 2 and both ends end surface butt of the first frame 1, the second joint part 112 is laminated with the second frame 2 at the same time, therefore, when the frame piece produces the vibration, the first fixed block 11 can conduct the vibration effectively and does not have the interval and thus produce the extra noise; the fixed pulley 1121 is fixed to the inner surface of the second connection portion 112, specifically, the fixed pulley 1121 is sleeved on a round rod with a certain diameter, and then one end of the round rod is welded and fixed to the inner surface of the second connection portion 112, so that certain stability and fixing strength of the fixed pulley 1121 in the rotation process are ensured; the third connecting portion 113 still extends perpendicularly to the tip of second connecting portion 112, and first damping pad 1131 is fixed on first fixed block 11, considers processing convenience on the one hand, and compression cost, on the other hand set up third connecting portion 113 perpendicularly and also can make the installation of follow-up damping pad have certain roughness, guarantee that damping pad and clipboard can fully butt.
Preferably, as shown in fig. 3, the bottom of the first frame 1 further includes a third vibration damping pad 12, when the front writing board 4 or the rear writing board 5 moves to the top, the top of the front writing board 4 or the top of the rear writing board 5 abuts against the third vibration damping pad 12, and it should be noted that the thickness of the third vibration damping pad 12 should be selected to ensure that when the front writing board 4 or the rear writing board 5 moves to the top, the top of the front writing board 4 or the rear writing board 5 abuts against the first vibration damping pad 1131 and can abut against the third vibration damping pad 12 at the same time, so as to share the buffer pressure of the first vibration damping 1131 pad, and further reduce vibration and noise; more preferably, the number of the third vibration-damping pads 1131 is 2, and the third vibration-damping pads are symmetrically arranged at two ends of the first frame 1.
Optionally, the shape of the damping pad can adopt a strip shape, or two independent circles are respectively abutted against the front writing board 4 or the rear writing board 5, so that the writing board and the damping pad can be fully contacted; the material of the damping pad can be selected from common rubber or elastic plastic, and the cost of the equipment is controlled.
Preferably, as shown in fig. 1 and fig. 6, the front writing board 4 and the rear writing board 5 each include a third frame 3, the third frames 3 are respectively located at two sides of the front writing board 4 and the rear writing board 5, the third frames 3 include a connecting portion 31 for connecting and fixing the board body of the writing board and a moving portion 32 for moving two sides of the writing board, and the two portions are separately arranged to reduce the shaking of the board body of the writing board during the moving process.
Preferably, as shown in fig. 5 and 6, the moving portion 32 includes a first accommodating cavity 321 and a second accommodating cavity 322, the second accommodating cavity 322 is located outside the first accommodating cavity 321, the third bezel 3 further includes a hanging block 33 and a guide wheel 34, the hanging block 33 is fixed in the first accommodating cavity 321 and fixed with the suspension cable 1122, the guide wheel 34 is arranged on the outer surface of the second accommodating cavity 322, and the driving end (i.e., the suspension cable 1122 and the hanging block 33) and the driven end (i.e., the guide wheel 34) for the movement of the tablet are arranged away from each other to prevent the two from interfering with each other during the movement of the tablet.
Preferably, as shown in fig. 4 and 5, the second frame 2 further includes two guide rails 22 corresponding to the guide wheels 34 of the front writing board 4 and the rear writing board 5, respectively, the number of the guide wheels 34 is 2, and each guide wheel 34 is in rolling connection with only one side of the guide rail 22, so as to ensure that when the guide rail 22 is slightly deformed, at least one guide wheel 34 is in rolling connection with one side of the guide rail 22, and still ensure smooth sliding of the writing board.
Preferably, as shown in fig. 5 and 6, the third frame 3 further includes a guide wheel fixing gasket 35, the guide wheel fixing gasket 35 is disposed in the second accommodating cavity 322, the central axes of the two guide wheels 34 pass through the side surface of the second accommodating cavity 322 and are fixed on the guide wheel fixing gasket 35, and the two guide wheels 34 are connected through the guide wheel fixing gasket 35, so as to ensure the synchronism of the two guide wheels 34 in the sliding process and prevent the single guide wheel 34 from shifting or even falling off; meanwhile, the guide wheel fixing gasket 35 is arranged inside the frame member, so that compared with the guide wheel fixing gasket arranged outside, the noise transmitted to the outside is smaller; in addition, the guide wheel fixing pad 35 can be made of common rubber, so that the guide wheel fixing pad has a certain buffering and vibration absorbing effect.
In summary, the specific working process of the writing board with vibration-damping and noise-preventing functions provided by the utility model is as follows: when a user pulls the front writing board 4 to move upwards, the sling 1122 drives the fixed pulley 1121 to rotate, the rear writing board 5 moves downwards, meanwhile, the guide wheels 34 on two sides of the front writing board 4 slide upwards on one of the guide rails 22 of the second frame 2, and the guide wheels 34 on two sides of the rear writing board 5 slide downwards on the other guide rail 22 of the second frame 2; when the front writing board 4 moves to the uppermost end, the top of the front writing board 4 abuts against the first vibration damping pad 1131, and at the same time, the rear writing board 5 moves to the lowermost end, and the bottom of the rear writing board 5 abuts against the second vibration damping pad 211; similarly, when the user pulls the front writing board 4 to move down, the sling 1122 drives the fixed pulley 1121 to rotate, the rear writing board 5 moves up synchronously, meanwhile, the guide wheels 34 on two sides of the front writing board 4 slide down on one of the guide rails 22 of the second frame 2, and the guide wheels 34 on two sides of the rear writing board 5 slide up on the other guide rail 22 of the second frame 2; when front tablet 4 moves to the lowermost end, the bottom of front tablet 4 abuts second vibration damping pad 211, and simultaneously, rear tablet 5 has moved to the uppermost end, and the top of rear tablet 5 abuts first vibration damping pad 1131.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. A sliding type writing board with vibration-damping and noise-preventing functions, comprising:
the first frame comprises a first fixed block, the first fixed block is provided with a fixed pulley and a sling, the fixed pulley and the sling are used for the front writing board and the rear writing board to slide alternately, one end of the sling is fixed with the front writing board, and the other end of the sling is fixed with the rear writing board; the first fixed block is also provided with a first vibration damping pad;
the second frame is vertically fixed at two ends of the first frame and is abutted against end faces of two ends of the first frame, the second frame comprises a second fixed block, and a second vibration damping pad is arranged on the second fixed block;
when the front writing board moves to the uppermost end, the top of the front writing board is abutted with the first vibration damping pad, and the bottom of the rear writing board is abutted with the second vibration damping pad; when the front writing board moves to the lowest end, the bottom of the front writing board is abutted to the second vibration damping pad, and the top of the rear writing board is abutted to the first vibration damping pad.
2. The sliding type writing board with the vibration and noise reduction function according to claim 1, wherein the first fixing block is an L-shaped sheet metal part and is provided with a first connecting part and a second connecting part, the first connecting part is fixed with the first edge frame, the second connecting part is flush with the end face of one end of the first edge frame, and the fixed pulley is fixed on the inner surface of the second connecting part; and a third connecting part is vertically extended from the end part of the second connecting part, and the first damping pad is fixed on the first fixing block.
3. A sliding-type tablet with vibration-damping and noise-preventing functions according to claim 1, wherein the bottom of the first frame further comprises a third vibration-damping pad, and when the front tablet or the rear tablet moves to the uppermost end, the top of the front tablet or the top of the rear tablet abuts against the third vibration-damping pad.
4. A sliding-type writing board having vibration-damping and noise-preventing functions according to claim 1, wherein the front writing board and the rear writing board each include a third frame, the third frames are respectively located at both sides of the front writing board and the rear writing board, and the third frames include a connecting portion and a moving portion.
5. The sliding type tablet with vibration and noise reduction functions according to claim 4, wherein the moving part comprises a first accommodating cavity and a second accommodating cavity, the second accommodating cavity is located outside the first accommodating cavity, the third frame further comprises a hanging block and a guide wheel, the hanging block is fixed in the first accommodating cavity and fixed with the sling, and the guide wheel is arranged on the outer surface of the second accommodating cavity.
6. A sliding type writing board with vibration and noise reduction functions according to claim 5, wherein the second frame further comprises two guide rails corresponding to guide wheels of the front writing board and the rear writing board, the number of the guide wheels is 2, and each guide wheel is in rolling connection with only one side of the guide rail.
7. A sliding type writing board with vibration and noise reduction functions according to claim 6, wherein the third frame further comprises a guide wheel fixing gasket, the guide wheel fixing gasket is disposed in the second accommodating cavity, and a central axis of the two guide wheels passes through a side surface of the second accommodating cavity and is fixed on the guide wheel fixing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121477413.0U CN215502044U (en) | 2021-06-30 | 2021-06-30 | Slidingtype clipboard with damping noise control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121477413.0U CN215502044U (en) | 2021-06-30 | 2021-06-30 | Slidingtype clipboard with damping noise control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215502044U true CN215502044U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121477413.0U Active CN215502044U (en) | 2021-06-30 | 2021-06-30 | Slidingtype clipboard with damping noise control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215502044U (en) |
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2021
- 2021-06-30 CN CN202121477413.0U patent/CN215502044U/en active Active
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