CN212112882U - Adjustable is teaching show board for dissemination of news - Google Patents
Adjustable is teaching show board for dissemination of news Download PDFInfo
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- CN212112882U CN212112882U CN202021185856.8U CN202021185856U CN212112882U CN 212112882 U CN212112882 U CN 212112882U CN 202021185856 U CN202021185856 U CN 202021185856U CN 212112882 U CN212112882 U CN 212112882U
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- 230000000694 effects Effects 0.000 claims abstract description 5
- 239000002965 rope Substances 0.000 claims description 11
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses an adjustable is teaching show board for dissemination of news, including the base, the inside of base is provided with extension mechanism, fixedly connected with supporting mechanism on the upper surface of base, and supporting mechanism's fixedly connected with fixing mechanism on the surface, extension mechanism include the slot, set up the spacing groove that the symmetry set up on the inner wall of slot, the beneficial effects of the utility model are that: first backup pad and second backup pad are articulated together through the hinge that sets up, when the face of second backup pad is less can't satisfy the demand of using, the pulling becket bridle shifts out from the draw-in groove, and then the contact becket bridle is to the fixed of dead lever and fixed block, and then make the second backup pad change from the surface of first backup pad, make first backup pad and second backup pad splice into complete show board, and then can adjust the size of show board face as required, and then eliminate the teaching show board and have the defect that the size is less can't satisfy the teaching demand completely.
Description
Technical Field
The utility model relates to a teaching show technical field specifically is an adjustable newsreads and uses teaching show board.
Background
The teaching show board is engaged in the education trade promptly and writes the utensil that the demonstration used, and the teaching board is the face of placing in the classroom or in the meeting room usually, writes the content with chalk or water-based pen, plays the effect of explanation demonstration, and current teaching show board is installed on the base that can remove, and then the teaching show board that makes is conveniently removed and is used.
But current teaching show board removes for the convenience, and then needs to show the plate size with teaching and reduce, and the teaching show board that the size diminishes makes the face that can demonstrate diminish in step, and then when writing the show on the face, less face probably can't be with the complete writing of knowledge that needs the show on the face, and then the teaching show board that makes has the defect that the less unable teaching demand of satisfying completely of size.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable is teaching show board for dissemination of news to the teaching show board that provides in solving above-mentioned background art removes for the convenience, and then need reduce the teaching show board size, the teaching show board that the size diminishes makes the face that can demonstrate diminish in step, and then when writing the show on the face, less face probably can't be with the complete writing of knowledge that needs the show on the face, and then the teaching show board that makes has the problem that the defect that the size is less can't satisfy the teaching demand completely.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable teaching display board for news transmission comprises a base, wherein an expansion mechanism is arranged inside the base, a supporting mechanism is fixedly connected to the upper surface of the base, and a fixing mechanism is fixedly connected to the surface of the supporting mechanism;
the expansion mechanism comprises slots, limiting grooves which are symmetrically arranged are formed in the inner walls of the slots, matched limiting blocks are connected inside the two limiting grooves in a sliding mode, the two limiting blocks are fixedly connected to the surface of the same inserted bar, and the other end of the inserted bar is fixedly connected to the surface of the expansion block;
the supporting mechanism comprises a supporting column, the supporting column is fixedly connected to the upper surface of the base, a U-shaped clamping block is fixedly connected to the upper surface of the supporting column, a rotating shaft is fixedly connected to the inside of the U-shaped clamping block, a rotating drum is movably sleeved on the surface of the rotating shaft, a rotating rod is fixedly connected to the surface of the rotating drum, a first supporting plate is fixedly connected to the other end of the rotating rod, a second supporting plate is hinged to the side wall of one side of the first supporting plate through a hinge, an air cylinder is fixedly connected to the surface of the supporting column, and a round ball is fixedly connected to the output end of the air cylinder;
the fixing mechanism comprises a fixing block, the fixing block is fixedly connected to the side wall of one side of the second supporting plate, a round hole is formed in the fixing block, a rope ring is sleeved in the round hole in a movable mode, the other side of the rope ring is clamped inside a clamping groove, the clamping groove is formed in the surface of the fixing rod, and the fixing rod is fixedly connected to the surface of the first supporting plate.
Preferably, the base corresponds to the extension block.
Preferably, the first support plate and the second support plate are the same size.
Preferably, the ball is in close contact with the center of one side wall of the first supporting plate.
Preferably, the fixing block is fixedly connected to the side wall of one side, far away from the hinge, of the second supporting plate.
Compared with the prior art, the beneficial effects of the utility model are that: first backup pad and second backup pad are articulated together through the hinge that sets up, when the face of second backup pad is less can't satisfy the demand of using, the pulling becket bridle shifts out from the draw-in groove, and then the contact becket bridle is to the fixed of dead lever and fixed block, and then make the second backup pad change from the surface of first backup pad, make first backup pad and second backup pad splice into complete show board, and then can adjust the size of show board face as required, and then eliminate the teaching show board and have the defect that the size is less can't satisfy the teaching demand completely.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic structural view of the expanding mechanism of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a base; 2. an expansion mechanism; 21. a slot; 22. a limiting groove; 23. a limiting block; 24. inserting a rod; 25. an extension block; 3. a support mechanism; 31. a support pillar; 32. a U-shaped clamping block; 33. a rotating shaft; 34. a rotating drum; 35. a rotating rod; 36. a first support plate; 37. a hinge; 38. a second support plate; 39. a cylinder; 310. a ball; 4. a fixing mechanism; 41. a fixed block; 42. a circular hole; 43. a loop; 44. a card slot; 45. and (5) fixing the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an adjustable teaching display board for news spreading comprises a base 1, wherein an expansion mechanism 2 is arranged inside the base 1, a supporting mechanism 3 is fixedly connected to the upper surface of the base 1, and a fixing mechanism 4 is fixedly connected to the surface of the supporting mechanism 3;
the expansion mechanism 2 comprises a slot 21, limiting grooves 22 symmetrically arranged are formed in the inner wall of the slot 21, the inner parts of the two limiting grooves 22 are connected with matched limiting blocks 23 in a sliding mode, the two limiting blocks 23 are fixedly connected to the surface of the same inserted rod 24, the other end of the inserted rod 24 is fixedly connected to the surface of the expansion block 25, the expansion block 25 is pulled, the expansion block 25 drives the inserted rod 24 to move out of the slot 21, the distance between the expansion block 25 and the base 1 is increased, the support column 31 is further supported through the expansion block 25 and the base 1, the base 1 is prevented from completely supporting the first support plate 36 and the second support plate 38 after the second support plate 38 rotates, and the display plate is prevented from falling down;
the supporting mechanism 3 comprises a supporting column 31, the supporting column 31 is fixedly connected on the upper surface of the base 1, a U-shaped clamping block 32 is fixedly connected on the upper surface of the supporting column 31, a rotating shaft 33 is fixedly connected inside the U-shaped clamping block 32, a rotating drum 34 is movably sleeved on the surface of the rotating shaft 33, a rotating rod 35 is fixedly connected on the surface of the rotating drum 34, a first supporting plate 36 is fixedly connected at the other end of the rotating rod 35, a second supporting plate 38 is hinged on the side wall of one side of the first supporting plate 36 through a hinge 37, an air cylinder 39 is fixedly connected on the surface of the supporting column 31, a round ball 310 is fixedly connected at the output end of the air cylinder 39, when the size of the display board cannot meet the use requirement of teaching, firstly, the rope loop 43 is pulled, the rope loop 43 is moved out of the clamping groove 44, and then the rope loop 43 is contacted with the fixing of the fixing rod 45, the second supporting plate 38 is rotated to be flush with the first supporting plate 36 through the hinge 37, so that the first supporting plate 36 and the second supporting plate 38 are spliced into a complete plate surface, and the requirement of a user for a large plate surface is met;
fixing mechanism 4 includes fixed block 41, fixed block 41 fixed connection is on second backup pad 38 one side lateral wall, round hole 42 has been seted up to fixed block 41's inside, the becket 43 has been cup jointed in the inside activity of round hole 42, the opposite side joint of becket 43 is inside draw-in groove 44, draw-in groove 44 is seted up at dead lever 45 on the surface, dead lever 45 fixed connection is on the surface of first backup pad 36, the face struts the angle of back face and probably inconveniently demonstrates, switch on external power source starts cylinder 39, cylinder 39 promotes ball 310 and first backup pad 36 in close contact with, and then promote first backup pad 36 through ball 310 and rotate around pivot 33, and then adjust the face angle that first backup pad 36 and second backup pad 38 formed, the better demonstration of knowledge on the face that makes.
The base 1 corresponds to the extension block 25, so that the base 1 and the extension block 25 are stably placed on the ground.
The first support plate 36 and the second support plate 38 have the same size, so that the fixing block 41 is close to the fixing rod 45 after the first support plate 36 and the second support plate 38 are combined by rotation.
The round ball 310 is closely contacted with the center of one side wall of the first support plate 36, and the round ball 310 pushes the first support plate 36 to rotate.
The fixing block 41 is fixedly connected to a side wall of the second support plate 38 away from the hinge 37, so that the fixing block 41 and the fixing rod 45 are fixed by the loop 43 to fix the rotatably separated end of the first support plate 36 and the second support plate 38.
Specifically, when the utility model is used, when the size of the display board surface of the display board can not meet the use requirement of teaching, firstly, the rope loop 43 is pulled, the rope loop 43 is moved out from the clamping groove 44, and then the fixing of the fixing rod 45 by the rope loop 43 is contacted, the fixing rod 45 is separated from the rope loop 43, then the second supporting board 38 is rotated, the second supporting board 38 is rotated to be flush with the first supporting board 36 through the hinge 37, and further the first supporting board 36 and the second supporting board 38 are spliced into a complete board surface, so as to meet the requirement of a user for a larger board surface, when the board surface is unfolded, the angle of the board surface is inconvenient to display, an external power supply is switched on to start the air cylinder 39, the air cylinder 39 pushes the round ball 310 to be in close contact with the first supporting board 36, and further pushes the first supporting board 36 to rotate around the rotating shaft 33 through the round ball 310, and further the board surface angle formed by the first, knowledge on the face that makes shows better, stimulate extension piece 25 simultaneously, and the extension piece 25 that makes drives inserted bar 24 and shifts out from slot 21 is inside, and the extension piece 25 that makes increases with base 1's interval, and then supports support column 31 through extension piece 25 and base 1, prevents that second backup pad 38 from rotating back base 1 and can't support first backup pad 36 and second backup pad 38 completely, prevents that the show board from empting.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an adjustable is teaching show board for dissemination of news, includes base (1), its characterized in that: an expansion mechanism (2) is arranged in the base (1), a supporting mechanism (3) is fixedly connected to the upper surface of the base (1), and a fixing mechanism (4) is fixedly connected to the surface of the supporting mechanism (3);
the expansion mechanism (2) comprises a slot (21), limiting grooves (22) which are symmetrically arranged are formed in the inner wall of the slot (21), the insides of the two limiting grooves (22) are connected with matched limiting blocks (23) in a sliding mode, the two limiting blocks (23) are fixedly connected to the surface of the same inserted bar (24), and the other end of the inserted bar (24) is fixedly connected to the surface of an expansion block (25);
the supporting mechanism (3) comprises a supporting column (31), the supporting column (31) is fixedly connected to the upper surface of the base (1), a U-shaped clamping block (32) is fixedly connected to the upper surface of the supporting column (31), a rotating shaft (33) is fixedly connected to the inside of the U-shaped clamping block (32), a rotating drum (34) is movably sleeved on the surface of the rotating shaft (33), a rotating rod (35) is fixedly connected to the surface of the rotating drum (34), a first supporting plate (36) is fixedly connected to the other end of the rotating rod (35), a second supporting plate (38) is hinged to the side wall of one side of the first supporting plate (36) through a hinge (37), an air cylinder (39) is fixedly connected to the surface of the supporting column (31), and a round ball (310) is fixedly connected to the output end of the air cylinder (39);
fixed establishment (4) include fixed block (41), fixed block (41) fixed connection is on second backup pad (38) one side lateral wall, round hole (42) have been seted up to the inside of fixed block (41), rope circle (43) have been cup jointed in the inside activity of round hole (42), the opposite side joint of rope circle (43) is inside draw-in groove (44), draw-in groove (44) are seted up on the surface of dead lever (45), dead lever (45) fixed connection is on the surface of first backup pad (36).
2. The adjustable teaching display board for dissemination of news according to claim 1, wherein: the base (1) corresponds to the expansion block (25).
3. The adjustable teaching display board for dissemination of news according to claim 1, wherein: the first support plate (36) and the second support plate (38) are the same size.
4. The adjustable teaching display board for dissemination of news according to claim 1, wherein: the round ball (310) is tightly contacted with the center of one side wall of the first supporting plate (36).
5. The adjustable teaching display board for dissemination of news according to claim 1, wherein: and the fixing block (41) is fixedly connected to the side wall of one side of the second supporting plate (38) far away from the hinge (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021185856.8U CN212112882U (en) | 2020-06-23 | 2020-06-23 | Adjustable is teaching show board for dissemination of news |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021185856.8U CN212112882U (en) | 2020-06-23 | 2020-06-23 | Adjustable is teaching show board for dissemination of news |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212112882U true CN212112882U (en) | 2020-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021185856.8U Active CN212112882U (en) | 2020-06-23 | 2020-06-23 | Adjustable is teaching show board for dissemination of news |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212112882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903212A (en) * | 2021-09-26 | 2022-01-07 | 燕山大学 | Music staff teaching and writing integrated device |
-
2020
- 2020-06-23 CN CN202021185856.8U patent/CN212112882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903212A (en) * | 2021-09-26 | 2022-01-07 | 燕山大学 | Music staff teaching and writing integrated device |
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