CN211222759U - Blackboard convenient to teaching is used - Google Patents
Blackboard convenient to teaching is used Download PDFInfo
- Publication number
- CN211222759U CN211222759U CN201921779551.7U CN201921779551U CN211222759U CN 211222759 U CN211222759 U CN 211222759U CN 201921779551 U CN201921779551 U CN 201921779551U CN 211222759 U CN211222759 U CN 211222759U
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- CN
- China
- Prior art keywords
- plate
- gear
- groove
- rack
- blackboard
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- 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
The utility model provides a blackboard convenient to teaching is used, curb plate, portable first plate body and the second plate body and the mounting panel of setting between the curb plate including longitudinal symmetry, be equipped with drive assembly on the curb plate, first plate body with the second plate body all with drive assembly connects and relative movement under drive assembly's effect, be equipped with the angle adjustment groove on the curb plate, the angle adjustment groove is convex cell body, the fixed setting in one side of mounting panel is on the installation face, the opposite side both ends of mounting panel are equipped with the connecting plate, the connecting plate with angle adjustment groove swing joint. The utility model discloses simple structure convenient to use, two plate body relative movement to blackboard center to make the student can be just looking at the blackboard writing content on the blackboard, can also realize angle position control through adjustment curb plate position, let the student can see the blackboard writing content clearly, thereby be convenient for teaching and use, improve the teaching quality.
Description
Technical Field
The utility model relates to a teaching aid, in particular to blackboard convenient to teaching is used.
Background
Most of traditional blackboards are made of a very large board, and when the blackboards are used, the blackboards can be written on by chalks to realize teaching, but when the blackboards are used, the problem that the contents of the blackboards cannot be well viewed easily exists in the contents at the edges of the blackboards, so that the blackboards are not beneficial to teaching, and the teaching quality can be greatly influenced; secondly, also can cause blackboard writing student on the blackboard to can't see clearly because of sunshine or angle reason etc. when in actual use, this will lead to the student to be difficult to carry out the note or understand teacher's lecture content to be unfavorable for the use of teaching, influence the teaching quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blackboard convenient to teaching is used.
The utility model aims to solve the problem that the prior blackboard is easy to have the contents of the front reading blackboard writing which can not be better or the condition of reflecting light and the like is not beneficial to the use of teaching and the quality of teaching is influenced.
For realizing the purpose of the utility model, the utility model adopts the technical proposal that:
the utility model provides a blackboard convenient to teaching is used, curb plate, portable first plate body and the second plate body and the mounting panel of setting between the curb plate including the longitudinal symmetry setting, be equipped with drive assembly on the curb plate, first plate body with the second plate body all with drive assembly connects and relative movement under drive assembly's effect, be equipped with the angle adjustment groove on the curb plate, the angle adjustment groove is convex cell body, the fixed setting in one side of mounting panel is on the installation face, the opposite side both ends of mounting panel are equipped with the connecting plate, the connecting plate with angle adjustment groove swing joint.
Preferably, a first groove body used for installing the first plate body and a second groove body used for installing the second plate body are arranged in the side plate, and the first groove body and the second groove body are through grooves which vertically penetrate through the side plate.
Preferably, first cell body is "F" shape cell body, both ends are rotatable about the first plate body are equipped with two first movable blocks that correspond with first cell body, first movable block lateral wall is equipped with first slider, the first spout of first cell body lateral wall, first slider is in be "L" shape removal in the first spout.
Preferably, the second groove body is a strip-shaped groove body, the upper end and the lower end of the second plate body are fixedly provided with second movable blocks, the side wall of each second movable block is provided with a second sliding block, the side wall of each second groove body is provided with a second sliding groove, and the second sliding blocks linearly move in the second sliding grooves.
Preferably, a third sliding block is arranged at the front end of the connecting plate, the third sliding block is an arc-shaped sliding block, and the third sliding block can be movably arranged in the angle adjusting groove.
Preferably, the transmission assembly includes a first rack, a first gear, a second gear and a second rack, the first movable block is rotatably connected to the first rack, the second rack is fixedly disposed on the second movable block, the first rack is engaged with the first gear, the first gear is engaged with the second gear, and the second rack is engaged with the second gear.
Preferably, a fixing plate is arranged in the middle of the side plate, and two rotating shafts used for mounting the first gear and the second gear are arranged on the fixing plate.
Preferably, the thickness of the first gear is greater than the thickness of the second gear.
Preferably, a distance between the first rack and the side plate is greater than a distance between the second rack and the side plate.
Preferably, a handle is arranged on the side surface of the first plate body.
The utility model discloses a blackboard convenient to teaching is used's beneficial effect as follows:
1. the utility model discloses two plate body relative movement to blackboard center to make the student can be just looking at the blackboard writing content on the blackboard, when the reflection of light condition appears, can remove adjustment curb plate position and realize angle position control, let the student can see the blackboard writing content clearly, thereby be convenient for teaching and use, improve the teaching quality.
2. The utility model discloses first plate body can be "L" shape removal in first spout, can let first plate body and second plate body expand the back and lift up and make two plate bodys on the coplanar, is convenient for write the content in succession and also is convenient for the student watch.
3. The utility model discloses the thickness of first gear is greater than the thickness of second gear, and interval between first rack and the curb plate is greater than the interval between second rack and the curb plate, and this setting can make the rack independent operation, avoids mutual interference and leads to unable normal operating and the possibility of damage.
4. The utility model discloses first plate body side is equipped with the handle, is convenient for promote the plate body and centers on and expand, thereby is also convenient for lift up first plate body and makes two plate bodys on the coplanar.
Drawings
FIG. 1: the utility model has a schematic internal structure;
FIG. 2: the top surface structure of the utility model is schematically shown;
FIG. 3: the structure of the surface A in FIG. 2 of the present invention is schematically illustrated;
FIG. 4: the structure schematic diagram of the side plate of the utility model;
in the figure: 1. a side plate; 11. an angle adjusting groove; 12. a first tank body; 121. a first chute; 13. a second tank body; 131. a second chute; 2. a first plate body; 21. a first movable block; 211. a first slider; 3. a second plate body; 31. a second movable block; 311. a second slider; 4. mounting a plate; 41. a connecting plate; 411. a third slider; 42. a fixing hole; 5. a transmission assembly; 51. a first rack; 52. a first gear; 53. a second gear; 54. a second rack; 6. a fixing plate; 61. a rotating shaft; 7. a handle.
Detailed Description
The existing blackboard is easy to have the problems that the content of the blackboard writing can not be well viewed or the conditions such as light reflection and the like are easily seen, so that the use of teaching is not facilitated, and the teaching quality is influenced. Therefore, the present invention provides a new solution, and for a clearer representation, the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1-4, a blackboard convenient for teaching use comprises side plates 1 which are symmetrically arranged up and down, a first plate body 2 and a second plate body 3 which are movably arranged between the side plates 1, and a mounting plate 4, wherein a transmission assembly 5 is arranged on the side plate 1, the first plate body 2 and the second plate body 3 are both connected with the transmission assembly 5 and relatively move under the action of the transmission assembly 5, an angle adjusting groove 11 is arranged on the side plate 1, the angle adjusting groove 11 is an arc-shaped groove body, one side of the mounting plate 4 is fixedly arranged on a mounting surface, two ends of the other side of the mounting plate 4 are provided with connecting plates 41, and the connecting plates 41 are movably connected with the angle adjusting groove 11;
the mounting plate 4 is provided with a fixing hole 42, and passes through the fixing hole 42 through a connecting piece and is connected and fixed with a mounting surface;
the blackboard can also be provided with an outer frame around to reinforce and protect the memory component.
In this embodiment, a first groove 12 for mounting the first plate 2 and a second groove 13 for mounting the second plate 3 are provided in the side plate 1, and the first groove 12 and the second groove 13 are through grooves which vertically penetrate through the side plate 1;
the first groove body 12 is an F-shaped groove body, two first movable blocks 21 corresponding to the first groove body 12 are rotatably arranged at the upper end and the lower end of the first plate body 2, a first sliding block 211 is arranged on the side wall of each first movable block 21, a first sliding groove 121 is formed in the side wall of the first groove body 12, and the first sliding block 211 moves in an L shape in the first sliding groove 121;
the second groove body 13 is a strip-shaped groove body, the upper end and the lower end of the second plate body 3 are fixedly provided with a second movable block 31, the side wall of the second movable block 31 is provided with a second sliding block 311, the side wall of the second groove body 13 is provided with a second sliding groove 131, and the second sliding block 311 linearly moves in the second sliding groove 131;
Be equipped with third slider 411 on the connecting plate 41 front end, third slider 411 is convex slider, but third slider 411 mobile setting is in the angle adjustment groove 11, realize angle position control through adjustment curb plate 1 position, let the student can see the blackboard-writing content clearly to be convenient for the teaching use improves the teaching quality.
The transmission assembly 5 comprises a first rack 51, a first gear 52, a second gear 53 and a second rack 54, the first movable block 21 is rotatably connected with the first rack 51, the second rack 54 is fixedly arranged on the second movable block 31, the first rack 51 is meshed with the first gear 52, the first gear 52 is meshed with the second gear 53, and the second rack 54 is meshed with the second gear 53;
the middle of the side plate 1 is provided with two fixing plates 6, and two rotating shafts 61 for mounting the first gear 52 and the second gear 53 are arranged between the two fixing plates 6.
The thickness of the first gear 52 is greater than that of the second gear 53;
the length of the first rack 51 is equal to the length of the second rack 54;
the distance between the first rack 51 and the side plate 1 is larger than the distance between the second rack 54 and the side plate 1;
the thickness of the first gear 52 is greater than that of the second gear 53, the distance between the first rack 51 and the side plate 1 is greater than that between the second rack 54 and the side plate 1, the racks can independently operate in the arrangement mode, and the possibility of incapability of normal operation and damage caused by mutual interference is effectively avoided.
The side surface of the first plate body 2 is provided with a handle 7, the handle 7 is convenient for pushing the plate bodies to be centered and unfolded, and is also convenient for lifting the first plate body 2 so as to enable the two plate bodies to be on the same plane.
The utility model discloses a simple and easy use and theory of operation as follows:
the blackboard of the utility model can be used normally to teach in the middle of a single-sided board body so that students can see the contents of the blackboard writing, if the area of the board is insufficient, the first board body 2 is pulled by the handle 7 so that the first board body 2 drives the first slider 211 on the first movable block 21 to move in the first chute 121 of the first groove body 12, the first board body 2 drives the first rack 51 to rotate in a meshed manner with the first gear 52, the first gear 52 is meshed with the second gear 53 to rotate, the second gear 53 is meshed with the second rack 54 to move, the second rack 54 drives the second slider 311 on the second movable block 31 to move in the second chute 131 in the second groove, the second movable block 31 drives the second board body 3 to move so that the board bodies on both sides move to the left and right sides respectively, after the board bodies on both sides of the first groove and the second groove are moved, the first board body 2 is lifted by the handle 7 so that the two board bodies are combined on a plane, the purpose of writing on the board of the two movable boards can be achieved, and the size of the blackboard can be adjusted; when the content on the plate body is not clearly seen because of reflection of light or angle problem, promote curb plate 1 for third slider 411 on the connecting plate 41 realizes the motion of curb plate 1 in the third spout internal motion, thereby changes the angle of fly leaf, and then the use of the teaching of being convenient for.
The utility model has simple structure and convenient use, and the two plate bodies can relatively move to the center of the blackboard, so that students can rightly see the contents of the blackboard writing on the blackboard; when the reflection of light condition appeared, can realize angle position control through removing adjustment curb plate 1 position, let the student can see the blackboard writing content clearly to be convenient for teaching uses, improves the teaching quality.
The above embodiments are only used for explaining the technical solution of the present invention and not for limiting the same, and although the above embodiments are specific to the present invention, it should be understood by those skilled in the art that the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a blackboard convenient to teaching is used which characterized in that: including curb plate, portable first plate body and the second plate body and the mounting panel of setting between the curb plate that the longitudinal symmetry set up, be equipped with drive assembly on the curb plate, first plate body with the second plate body all with drive assembly connects and relative movement under drive assembly's effect, be equipped with the angle modulation groove on the curb plate, the angle modulation groove is convex cell body, one side of mounting panel is fixed to be set up on the installation face, the opposite side both ends of mounting panel are equipped with the connecting plate, the connecting plate with angle modulation groove swing joint.
2. The blackboard convenient for teaching use according to claim 1, characterized in that: the side plate is internally provided with a first groove body used for installing the first plate body and a second groove body used for installing the second plate body, and the first groove body and the second groove body are through grooves which are communicated with the side plate from top to bottom.
3. The blackboard convenient for teaching use according to claim 2, characterized in that: first cell body is "F" shape cell body, the rotatable two first movable blocks that correspond with first cell body that are equipped with in both ends about the first plate body, first movable block lateral wall is equipped with first slider, the first spout of first cell body lateral wall, first slider is in be "L" shape removal in the first spout.
4. The blackboard convenient for teaching use according to claim 3, characterized in that: the second groove body is a strip-shaped groove body, a second movable block is fixedly arranged at the upper end and the lower end of the second plate body, a second sliding block is arranged on the side wall of the second movable block, a second sliding groove is formed in the side wall of the second groove body, and the second sliding block moves linearly in the second sliding groove.
5. The blackboard convenient for teaching use according to claim 1, characterized in that: and a third sliding block is arranged at the front end of the connecting plate, is in the shape of an arc and can be movably arranged in the angle adjusting groove.
6. The blackboard convenient for teaching use according to claim 4, characterized in that: the transmission assembly comprises a first rack, a first gear, a second gear and a second rack, the first movable block is rotatably connected with the first rack, the second rack is fixedly arranged on the second movable block, the first rack is meshed with the first gear, the first gear is meshed with the second gear, and the second rack is meshed with the second gear.
7. The blackboard convenient for teaching use according to claim 6, characterized in that: the middle of the side plate is provided with a fixing plate, and the fixing plate is provided with two rotating shafts for mounting the first gear and the second gear.
8. The blackboard convenient for teaching use according to claim 6, characterized in that: the thickness of the first gear is greater than the thickness of the second gear.
9. The blackboard convenient for teaching use according to claim 6, characterized in that: the distance between the first rack and the side plate is larger than the distance between the second rack and the side plate.
10. The blackboard convenient for teaching use according to claim 1, characterized in that: the side surface of the first plate body is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921779551.7U CN211222759U (en) | 2019-10-22 | 2019-10-22 | Blackboard convenient to teaching is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921779551.7U CN211222759U (en) | 2019-10-22 | 2019-10-22 | Blackboard convenient to teaching is used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211222759U true CN211222759U (en) | 2020-08-11 |
Family
ID=71938382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921779551.7U Expired - Fee Related CN211222759U (en) | 2019-10-22 | 2019-10-22 | Blackboard convenient to teaching is used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211222759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593316A (en) * | 2021-07-23 | 2021-11-02 | 枣庄科技职业学院 | Supplementary teaching aid of using of english study |
-
2019
- 2019-10-22 CN CN201921779551.7U patent/CN211222759U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593316A (en) * | 2021-07-23 | 2021-11-02 | 枣庄科技职业学院 | Supplementary teaching aid of using of english study |
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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: 20200811 Termination date: 20211022 |