CN210553844U - Convenient to use's teaching aid - Google Patents
Convenient to use's teaching aid Download PDFInfo
- Publication number
- CN210553844U CN210553844U CN201921102072.1U CN201921102072U CN210553844U CN 210553844 U CN210553844 U CN 210553844U CN 201921102072 U CN201921102072 U CN 201921102072U CN 210553844 U CN210553844 U CN 210553844U
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- CN
- China
- Prior art keywords
- blackboard
- fixed
- plate
- teaching aid
- rectangular
- 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
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- 239000000428 dust Substances 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a convenient to use's teaching aid relates to clean technical field, to the problem that current blackboard surface cleaning wastes time and energy, now proposes following scheme, and it includes the blackboard, the blackboard left side is fixed with the receiver, the blackboard top is fixed with spacing seat, spacing seat bottom rotates and is connected with first rotation board, the other end of first rotation board rotates and is connected with the second connecting plate, the other end of second connecting plate rotates and is connected with the connecting rod, the bottom of connecting rod rotates and is connected with the handle, the back of handle is fixed with blackboard eraser group, blackboard eraser group includes a plurality of blackboard erasers. The utility model discloses in, through the setting of blackboard eraser combination air exhauster isotructure, can be quick clean the blackboard face, can collect the dust that clean process produced simultaneously, avoid the dust to produce the pollution to the human body, the environmental protection, this device easily operates, convenient to use, low in manufacturing cost, the mounting box of being convenient for is dismantled.
Description
Technical Field
The utility model relates to a clean technical field especially relates to a convenient to use's teaching aid.
Background
The teaching aid is a general name of various appliances used for enabling students to visually and vividly understand teaching contents and appliances used by teachers during teaching, and is called teaching aid for short. The teaching aid can improve the learning interest of students, enrich the perceptual knowledge, help to form clear concepts and develop the observation ability and thinking ability of the students.
When the traditional blackboard is used, a blackboard book on the blackboard is required to be erased, the blackboard is generally erased slowly by using a small blackboard eraser, time and labor are wasted, meanwhile, a large amount of dust is diffused, and the human body is easily injured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a teaching aid convenient to use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a teaching aid convenient to use, which comprises a blackboard, wherein a storage box is fixed on the left side of the blackboard, a limit seat is fixed at the top end of the blackboard, the bottom of the limiting seat is rotatably connected with a first rotating plate, the other end of the first rotating plate is rotatably connected with a second connecting plate, the other end of the second connecting plate is rotatably connected with a connecting rod, the bottom end of the connecting rod is rotatably connected with a handle, a blackboard eraser group is fixed on the back of the handle and comprises a plurality of blackboard erasers, dust suction plates are fixed on both sides of the blackboard eraser group, a rectangular plate is fixed between the front faces of the dust collection plates, a straight pipe is fixed on the front face of the rectangular plate, an exhaust fan is arranged at one end of the inner cavity of the straight pipe, which is far away from the rectangular plate, the filter bag is characterized in that a sleeve is fixed on the front face of the rectangular plate, a rotary ring is rotatably connected to the surface of the sleeve, a filter bag is fixed on the front face of the rotary ring, and a sealing block is hinged to the side wall of the straight pipe.
Preferably, the dust absorption board back is equipped with the rectangular channel, and the dust absorption board openly is equipped with the air outlet, and the air outlet is the UNICOM structure with the rectangular channel, and the rectangular channel back is equipped with two air intakes, and the air intake is just right with the air outlet of dust absorption board, and the rectangular plate is hollow structure, and the rectangular plate openly is equipped with circular through-hole, and the sleeve is installed in circular through-hole department, and air intake, circular through-hole are the UNICOM structure.
Preferably, the storage box is connected with the limiting block in a front rotating mode, the blackboard eraser group is provided with a clamping block in a front face, and the limiting block is clamped in the clamping block.
Preferably, the outer side wall of the sleeve is provided with an external thread towards one end of the exhaust fan, the inner wall of the rotating ring is provided with an internal thread, and the rotating ring is rotatably connected with the sleeve.
Preferably, the front surface of the storage box is provided with a storage groove, the storage groove is in clearance fit with the blackboard eraser group and the dust collection plate, and the front surface of the storage box is flush with the front surface of the blackboard eraser group.
Preferably, the straight tube lateral wall is equipped with the rectangular channel, and rectangular channel department articulates there is the sealed piece, and the sealed piece closely laminates with the straight tube, and the opposite side of sealed piece passes through the zip fastener swing joint with the straight tube.
Preferably, a switch is arranged on the blackboard and is electrically connected with the exhaust fan.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in:
1. through the arrangement of structures such as the blackboard eraser combined exhaust fan and the like, the blackboard surface can be cleaned quickly, dust generated in the cleaning process can be collected, pollution of the dust to a human body is avoided, and the environment is protected.
2. The device is easy to operate, convenient to use, low in manufacturing cost and convenient to mount and dismount the box.
Drawings
Fig. 1 is a front view of the teaching aid of the utility model.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is a right side view at B in fig. 2.
Fig. 4 is a cross-sectional view of fig. 3.
Fig. 5 is a rear view of the rectangular plate of the teaching aid of the utility model.
In the figure: the blackboard eraser comprises a blackboard 1, a storage box 2, a limiting seat 3, a first rotating plate 4, a second connecting plate 5, a connecting rod 6, a handle 7, a blackboard eraser group 8, a dust suction plate 9, a rectangular plate 10, a straight pipe 11, an exhaust fan 12, a sleeve 13, a rotating ring 14, a filter bag 15, a sealing block 16 and a limiting block 17.
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.
Referring to fig. 1-5, a teaching aid convenient to use comprises a blackboard 1, wherein a storage box 2 is fixed on the left side of the blackboard 1, a limiting seat 3 is fixed on the top end of the blackboard 1, the bottom of the limiting seat 3 is rotatably connected with a first rotating plate 4, the other end of the first rotating plate 4 is rotatably connected with a second connecting plate 5, the other end of the second connecting plate 5 is rotatably connected with a connecting rod 6, the bottom end of the connecting rod 6 is rotatably connected with a handle 7, a blackboard eraser group 8 is fixed on the back of the handle 7, the blackboard eraser group 8 comprises a plurality of blackboard erasers, dust absorption plates 9 are fixed on two sides of the blackboard eraser group 8, a rectangular plate 10 is fixed between the front faces of the dust absorption plates 9, a straight pipe 11 is fixed on the front face of the rectangular plate 10, an exhaust fan 12 is arranged at one end of an inner cavity of the straight pipe 11 far away from, the lateral wall of the straight pipe 11 is hinged with a sealing block 16, the back of the dust absorption plate 9 is provided with a rectangular groove, the front of the dust absorption plate 9 is provided with an air outlet, the air outlet and the rectangular groove are of a communicated structure, the back of the rectangular plate 10 is provided with two air inlets, the air inlets are opposite to the air outlet of the dust absorption plate 9, the rectangular plate 10 is of a hollow structure, the front of the rectangular plate 10 is provided with a circular through hole, a sleeve 13 is arranged at the circular through hole, the air inlets and the circular through hole are of a communicated structure, the front of the storage box 2 is rotatably connected with a limiting block 17, the front of the blackboard eraser group 8 is provided with a clamping block, the limiting block 17 is clamped in the clamping block, one end of the outer lateral wall of the sleeve 13, facing to the exhaust fan 12, the inner wall of the rotating ring 14 is provided with an, the lateral wall of the straight tube 11 is provided with a rectangular groove, the rectangular groove is hinged with a sealing block 16, the sealing block 16 is tightly attached to the straight tube 11, the other side of the sealing block 16 is movably connected with the straight tube 11 through a pull buckle, a switch is arranged on the blackboard 1, and the switch is electrically connected with the exhaust fan 12.
The working principle of the utility model is that when in use, the limiting block 17 is rotated to relieve the limitation of the limiting block 17 on the blackboard eraser group 8, the handle 7 is held by hand, the position of the blackboard eraser group 8 can be moved, the blackboard eraser group 8 is tightly attached to the front surface of the blackboard 1, the switch is turned on, the exhaust fan 12 works, the blackboard eraser group 8 is moved at the moment, the surface of the blackboard 1 can be cleaned, dust generated during cleaning is sucked by the exhaust fan 12, enters the rectangular plate 10 through the dust suction plate 9 and then enters the filter bag 15 from the sleeve 13, and the filtered wind is blown out from the exhaust fan 12; when the filter bag 15 is cleaned, the sealing block 16 is firstly opened, the rotating ring 14 is rotated, the filter bag 15 is detached, the dust in the filter bag 15 is poured out, and then the filter bag 15 is cleaned.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. The teaching aid convenient to use comprises a blackboard (1) and is characterized in that a storage box (2) is fixed on the left side of the blackboard (1), a limiting seat (3) is fixed on the top end of the blackboard (1), a first rotating plate (4) is rotatably connected to the bottom of the limiting seat (3), a second connecting plate (5) is rotatably connected to the other end of the first rotating plate (4), a connecting rod (6) is rotatably connected to the other end of the second connecting plate (5), a handle (7) is rotatably connected to the bottom end of the connecting rod (6), a blackboard eraser group (8) is fixed on the back of the handle (7), the blackboard eraser group (8) comprises a plurality of blackboard erasers, dust suction plates (9) are fixed on two sides of the blackboard eraser group (8), rectangular plates (10) are fixed between the front faces of the dust suction plates (9), straight pipes (11) are fixed on the front faces of the rectangular plates (10, the one end that rectangular plate (10) was kept away from to straight tube (11) inner chamber is equipped with air exhauster (12), rectangular plate (10) openly is fixed with sleeve (13), sleeve (13) surface rotation is connected with swivel (14), swivel (14) openly is fixed with filter bag (15), straight tube (11) lateral wall articulates there is sealed piece (16).
2. The teaching aid convenient to use according to claim 1, wherein a rectangular groove is formed in the back of the dust suction plate (9), an air outlet is formed in the front of the dust suction plate (9), the air outlet and the rectangular groove are in a communicated structure, two air inlets are formed in the back of the rectangular plate (10), the air inlets are opposite to the air outlet of the dust suction plate (9), the rectangular plate (10) is of a hollow structure, a circular through hole is formed in the front of the rectangular plate (10), the sleeve (13) is installed at the circular through hole, and the air inlets and the circular through hole are in a communicated structure.
3. The teaching aid convenient to use according to claim 1, wherein a limiting block (17) is rotatably connected to the front surface of the storage box (2), a clamping block is arranged on the front surface of the blackboard eraser group (8), and the limiting block (17) is clamped in the clamping block.
4. Teaching aid convenient to use according to claim 1, characterized in that the outer side wall of the sleeve (13) is provided with external threads towards the end of the exhaust fan (12), the inner wall of the swivel (14) is provided with internal threads, and the swivel (14) is rotatably connected with the sleeve (13).
5. The teaching aid convenient to use according to claim 1, wherein the storage box (2) is provided with a storage groove on the front surface, the storage groove is in clearance fit with the blackboard eraser group (8) and the dust collection plate (9), and the front surface of the storage box (2) is flush with the front surface of the blackboard eraser group (8).
6. The teaching aid convenient to use according to claim 1, wherein the side wall of the straight tube (11) is provided with a rectangular groove, a sealing block (16) is hinged at the rectangular groove, the sealing block (16) is tightly attached to the straight tube (11), and the other side of the sealing block (16) is movably connected with the straight tube (11) through a pull buckle.
7. The teaching aid convenient to use according to claim 1, characterized in that the blackboard (1) is provided with a switch, and the switch is electrically connected with the exhaust fan (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102072.1U CN210553844U (en) | 2019-07-15 | 2019-07-15 | Convenient to use's teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102072.1U CN210553844U (en) | 2019-07-15 | 2019-07-15 | Convenient to use's teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210553844U true CN210553844U (en) | 2020-05-19 |
Family
ID=70674191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921102072.1U Expired - Fee Related CN210553844U (en) | 2019-07-15 | 2019-07-15 | Convenient to use's teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210553844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112258906A (en) * | 2020-11-16 | 2021-01-22 | 聊城职业技术学院 | Intelligent teaching device based on internet |
-
2019
- 2019-07-15 CN CN201921102072.1U patent/CN210553844U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112258906A (en) * | 2020-11-16 | 2021-01-22 | 聊城职业技术学院 | Intelligent teaching device based on internet |
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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 |
Granted publication date: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |