CN208607829U - A kind of demonstration teaching aid - Google Patents
A kind of demonstration teaching aid Download PDFInfo
- Publication number
- CN208607829U CN208607829U CN201820061392.6U CN201820061392U CN208607829U CN 208607829 U CN208607829 U CN 208607829U CN 201820061392 U CN201820061392 U CN 201820061392U CN 208607829 U CN208607829 U CN 208607829U
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- cabinet
- top surface
- board
- engaged
- wall
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Abstract
A kind of demonstration teaching aid, including cabinet, cabinet is transparent material, electrostatic precipitation plate is fixedly mounted in the inner wall two sides of cabinet respectively, the inner bottom surface of cabinet is equipped with fan, the inner ring of fan is fixedly connected with the output shaft of motor, motor is located at outside cabinet, the top surface of cabinet opens up rectangular opening, the bottom surface of rectangular opening is communicated with box house, a stripe board is passed through in rectangular opening, the periphery of stripe board and the inner wall of rectangular opening are engaged, stripe board can be slided up and down along rectangular opening, the lower end of stripe board is fixedly connected with the upper end of cylindrical rod, the bottom periphery two sides of cylindrical rod are respectively fixedly connected with the inside of the first U-shaped board, the open side of first U-shaped board is towards outside cabinet, the inner wall of first U-shaped board can be engaged with the periphery of corresponding electrostatic precipitation plate respectively.Experiment is put in cabinet with dust, can be reused, fan can be such that dust swims in cabinet, facilitate electrostatic precipitation plate to adsorb dust, experiment effect can be made more significant.
Description
Technical field
The utility model belongs to instructional device technical field, specifically a kind of demonstration teaching aid.
Background technique
In physics teaching at this stage, for the ease of student's understanding, often uses experimental provision and carry out aided education.It is theoretical
Property explanation electrostatic principle, student often only understands the knowledge of theoretical property, can not be well understood by the essence and original of electrostatic
Reason, can be conducive to student's Understanding memory in conjunction with a kind of demonstration teaching aid.A kind of current demonstration teaching aid is with using
Number increases, and the dust adsorbed on electrostatic precipitation plate is more, and when the surface of electrostatic precipitation plate is covered by dust completely, electrostatic is removed
The adsorption capacity of dirt plate is affected, meanwhile, the adsorption process of electrostatic precipitation plate is unfavorable for observation of students, needs periodically to quiet
Electric precipitation plate carries out deashing.Teachers generally dismantle apparatus for demonstrating, are slowly wiped off the dust on electrostatic precipitation plate with scraper plate,
Such mode is cumbersome, will waste teachers' many time, so that working efficiency is lower, and during scraping ash, dust flies
It dissipates and is easy to pollute experimental situation, be unfavorable for the health of academics and students.
Utility model content
The utility model provides a kind of demonstration teaching aid, to solve defect in the prior art.
The utility model is achieved by the following technical programs:
A kind of demonstration teaching aid, including cabinet, cabinet are transparent material, and the inner wall two sides of cabinet are fixedly mounted quiet respectively
The inner bottom surface of electric precipitation plate, cabinet is equipped with fan, and the inner ring of fan is fixedly connected with the output shaft of motor, and motor is located at outside cabinet
Portion, the top surface of cabinet open up rectangular opening, and the bottom surface of rectangular opening is communicated with box house, and a stripe board, item are passed through in rectangular opening
The periphery of shape plate and the inner wall of rectangular opening are engaged, and stripe board can be slided up and down along rectangular opening, and the lower end of stripe board is fixed
The upper end of cylindrical rod is connected, the bottom periphery two sides of cylindrical rod are respectively fixedly connected with the inside of the first U-shaped board, the first U-shaped board
Open side is towards outside cabinet, and the inner wall of the first U-shaped board can be engaged with the periphery of corresponding electrostatic precipitation plate respectively, item
The upper end of shape plate is located at outside cabinet, and rectangular strip is installed in the upper end of stripe board, and the bottom surface of rectangular strip and the top surface of cabinet are engaged,
The top surface of rectangular strip opens up groove, and top surface, bottom surface and the side of groove communicate with the outside world, and the upper end of stripe board passes through articulated shaft
The inner wall of articulated connection groove, the side of rectangular strip can be engaged with the top surface of cabinet, water in the middle part of the other side of rectangular strip
Flat to be fixedly mounted supporting plate, the periphery of stripe board and cylindrical rod is set with the first spring jointly, the upper end of the first spring and cabinet it is interior
Wall top surface is engaged, and the front and rear sides of box top open up bar shaped through groove respectively, before bar shaped through groove is located at rectangular opening
The front and rear sides of two sides afterwards, the side bottom surface of rectangular strip are hingedly connected the upper end of connecting rod, and connecting rod is each passed through corresponding item
Shape through groove, the lower end of connecting rod are hingedly connected the front and rear sides of the top surface of annular slab, stripe board, the first spring and cylindrical rod energy
Enough to pass through respectively from the inner ring of annular slab, the two sides of annular slab are respectively fixedly connected with the inside of the second U-shaped board, the second U-shaped board
Open side is towards outside cabinet, and the inner wall of the second U-shaped board can be engaged with the periphery of corresponding electrostatic precipitation plate respectively,
The bottom surface of second U-shaped board can be engaged with the top surface of the first U-shaped board.
A kind of demonstration teaching aid as described above, the top surface two sides of the annular slab are respectively fixedly connected with second spring
Lower end, the upper end of second spring is respectively fixedly connected with the inner wall top surface two sides of cabinet.
A kind of demonstration teaching aid as described above, the top surface of first U-shaped board opens up several through-holes respectively.
Distinguish chamfering in the top and bottom of a kind of demonstration teaching aid as described above, the side of the rectangular strip.
A kind of demonstration teaching aid as described above, the top and bottom of the supporting plate open up anti-skid chequer respectively.
The utility model has the advantages that: supporting plate is lifted up by the utility model, and rectangular strip can be centered on articulated shaft
Rotation, until the side of rectangular strip and the top surface of cabinet are engaged, in rotation process, stripe board is moved upwards along rectangular opening,
The compression of first spring stress, the first U-shaped board is respectively along corresponding electrostatic precipitation upward sliding, so as to by electrostatic precipitation plate
The dust of lower part absorption removes, simultaneously as being articulated and connected between rectangular strip and annular slab by connecting rod, connecting rod is respectively with correspondence
Hinge joint centered on rotate, until connecting rod is respectively perpendicular to annular slab, so as to push down on annular slab, with annular slab
The dust that the second U-shaped board being connected can adsorb the top of electrostatic precipitation plate removes, and the bottom surface of the second U-shaped board can be with the
The top surface of one U-shaped board is engaged, so as to the dust on fully erased electrostatic precipitation plate.Experiment is put in cabinet with dust
It is interior, it can reuse, fan can be such that dust swims in cabinet, facilitate electrostatic precipitation plate to adsorb dust, can make to test
Effect is more significant.The deashing work of electrostatic precipitation plate can be realized by rotating rectangular strip, it is easy to operate, it is easy to use, gram
Taking absorption dust on electrostatic precipitation plate excessively influences the effect of electrostatic precipitation experiment, carries out deashing without dismantling cabinet, saving makes
The time of user, dust will not disperse outside the utility model out when deashing, will not pollute to laboratory environment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is the enlarged drawing of the cross-sectional view of the line A-A along Fig. 1；Fig. 3 is figure
The enlarged drawing of 1 B direction view；Fig. 4 is the enlarged drawing of the C direction view of Fig. 1；Fig. 5 is the enlarged drawing of the D direction view of Fig. 1.
Appended drawing reference: 1 cabinet, 2 electrostatic precipitation plate, 3 fan, 4 rectangular opening, 5 stripe board, 6 cylindrical rod, 7 first U-shaped board 8
9 groove of rectangular strip, 10 14 annular slab of supporting plate 11 first spring, 12 bar shaped through groove, 13 connecting rod, 15 second U-shaped board 16 second
17 through-hole of spring.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of demonstration teaching aid, as shown, cabinet 1 is transparent material, the inner wall two sides of cabinet 1 are fixedly mounted respectively
The inner bottom surface of electrostatic precipitation plate 2, cabinet 1 is equipped with fan 3, and the inner ring of fan 3 is fixedly connected with the output shaft of motor, and motor is located at
Outside cabinet 1, the top surface of cabinet 1 opens up rectangular opening 4, communicates inside the bottom surface of rectangular opening 4 and cabinet 1, and one is passed through in rectangular opening 4
A stripe board 5, the periphery of stripe board 5 and the inner wall of rectangular opening 4 are engaged, and stripe board 5 can be slided up and down along rectangular opening 4,
The lower end of stripe board 5 is fixedly connected with the upper end of cylindrical rod 6, and the bottom periphery two sides of cylindrical rod 6 are respectively fixedly connected with the first U-shaped board
7 inside, the open side of the first U-shaped board 7 towards outside cabinet 1, the inner wall of the first U-shaped board 7 can respectively with corresponding electrostatic
The periphery of dedusting plate 2 is engaged, and the upper end of stripe board 5 is located at outside cabinet 1, and rectangular strip 8, rectangle are installed in the upper end of stripe board 5
The bottom surface of item 8 and the top surface of cabinet 1 are engaged, and the top surface of rectangular strip 8 opens up groove 9, top surface, bottom surface and the side of groove 9
It communicates with the outside world, by the inner wall of articulated shaft articulated connection groove 9, the side of rectangular strip 8 can be with case for the upper end of stripe board 5
The top surface of body 1 is engaged, horizontal in the middle part of the other side of rectangular strip 8 to be fixedly mounted supporting plate 10, stripe board 5 and cylindrical rod 6 it is outer
Zhou Gongtong is set with the first spring 11, and the upper end of the first spring 11 is engaged with the inner wall top surface of cabinet 1, before 1 top surface of cabinet
Two sides open up bar shaped through groove 12 respectively afterwards, and bar shaped through groove 12 is located at the front and rear sides of rectangular opening 4, the side bottom of rectangular strip 8
The front and rear sides in face are hingedly connected the upper end of connecting rod 13, and connecting rod 13 is each passed through corresponding bar shaped through groove 12, connecting rod 13
Lower end is hingedly connected the front and rear sides of the top surface of annular slab 14, and stripe board 5, the first spring 11 and cylindrical rod 6 can be distinguished
It is passed through from the inner ring of annular slab 14, the two sides of annular slab 14 are respectively fixedly connected with the inside of the second U-shaped board 15, the second U-shaped board 15
Open side towards outside cabinet 1, and the inner wall of the second U-shaped board 15 can connect with the periphery of corresponding electrostatic precipitation plate 2 respectively
Touching cooperation, the bottom surface of the second U-shaped board 15 can be engaged with the top surface of the first U-shaped board 7.The utility model is upward by supporting plate 10
Lift, rectangular strip 8 can be rotated centered on articulated shaft, until the side of rectangular strip 8 and the top surface of cabinet 1 are engaged, be turned
During dynamic, stripe board 5 is moved upwards along rectangular opening 4, and 11 forced compression of the first spring, the first U-shaped board 7 is respectively along corresponding quiet
2 upward sliding of electric precipitation item, the dust so as to adsorb 2 lower part of electrostatic precipitation plate removes, simultaneously as 8 He of rectangular strip
It is articulated and connected between annular slab 14 by connecting rod 13, connecting rod 13 is rotated centered on corresponding hinge joint respectively, until connecting rod 13
It is respectively perpendicular to annular slab 14, so as to which annular slab 14 is pushed down on, 15 energy of the second U-shaped board that is connected with annular slab 14
The dust that the enough top by electrostatic precipitation plate 2 is adsorbed removes, and the bottom surface of the second U-shaped board 15 can connect with the top surface of the first U-shaped board 7
Touching cooperation, so as to the dust on fully erased electrostatic precipitation plate 2.Experiment is put in cabinet 1 with dust, benefit can be repeated
With fan 3 can be such that dust swims in cabinet 1, and electrostatic precipitation plate 2 is facilitated to adsorb dust, and experiment effect can be made more aobvious
It writes.The deashing work of electrostatic precipitation plate 2 can be realized by rotating rectangular strip 8, it is easy to operate, it is easy to use, overcome electrostatic to remove
Dust is adsorbed on dirt plate 2 excessively influences the effect of electrostatic precipitation experiment, carries out deashing without dismantling cabinet 1, saves user's
Time, dust will not disperse outside the utility model out when deashing, will not pollute to laboratory environment.
Specifically, the top surface two sides of annular slab 14 described in the present embodiment are respectively fixedly connected under second spring 16
End, the upper end of second spring 16 is respectively fixedly connected with the inner wall top surface two sides of cabinet 1.The structure can be conducive to the second U-shaped seat
15 reset under the action of corresponding second spring 16 respectively.
Specifically, the top surface of the first U-shaped board 7 described in the present embodiment opens up several through-holes 17 respectively.The structure can be kept away
Exempt from dust accretions that the first U-shaped board 7 is scraped off from electrostatic precipitation plate 2 in the first U-shaped board 7.
Further, chamfering is distinguished in the top and bottom of the side of rectangular strip 8 described in the present embodiment.User is to turning over
When rolling over rectangular strip 8, chamfering structure can make user more laborsavingly by the length direction of rectangular strip 8 perpendicular to cabinet 1.
Further, the top and bottom of supporting plate 10 described in the present embodiment open up anti-skid chequer respectively.The structure can
Increase the frictional force between user's hand and supporting plate 10, skidding when preventing from rotating rectangular strip 8.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (5)
1. a kind of demonstration teaching aid, it is characterised in that: including cabinet (1), cabinet (1) is transparent material, the inner wall of cabinet (1)
Two sides are fixedly mounted electrostatic precipitation plate (2) respectively, and the inner bottom surface of cabinet (1) is equipped with fan (3), and the inner ring of fan (3) is fixed
The output shaft of motor is connected, motor is located at cabinet (1) outside, and the top surface of cabinet (1) opens up rectangular opening (4), the bottom of rectangular opening (4)
It is communicated inside face and cabinet (1), a stripe board (5), periphery and rectangular opening (4) of stripe board (5) is passed through in rectangular opening (4)
Inner wall is engaged, and stripe board (5) can be slided up and down along rectangular opening (4), and the lower end of stripe board (5) is fixedly connected with cylindrical rod
(6) upper end, the bottom periphery two sides of cylindrical rod (6) are respectively fixedly connected with the inside of the first U-shaped board (7), the first U-shaped board (7)
Open side towards cabinet (1) outside, the inner wall of the first U-shaped board (7) can respectively with the periphery of corresponding electrostatic precipitation plate (2)
It is engaged, the upper end of stripe board (5) is located at cabinet (1) outside, and rectangular strip (8) are installed in the upper end of stripe board (5), rectangular strip (8)
Bottom surface and the top surface of cabinet (1) be engaged, the top surface of rectangular strip (8) opens up groove (9), the top surface of groove (9), bottom surface and
Side communicates with the outside world, and the upper end of stripe board (5) is by the inner wall of articulated shaft articulated connection groove (9), and the one of rectangular strip (8)
Side can be engaged with the top surface of cabinet (1), horizontal in the middle part of the other side of rectangular strip (8) that supporting plate (10) are fixedly mounted, bar shaped
The periphery of plate (5) and cylindrical rod (6) is set with the first spring (11) jointly, the upper end of the first spring (11) and the inner wall of cabinet (1)
Top surface is engaged, and the front and rear sides of cabinet (1) top surface open up bar shaped through groove (12) respectively, and bar shaped through groove (12) is located at square
The front and rear sides of the front and rear sides in shape hole (4), the side bottom surface of rectangular strip (8) are hingedly connected the upper end of connecting rod (13), even
Bar (13) is each passed through corresponding bar shaped through groove (12), and the lower end of connecting rod (13) is hingedly connected the top surface of annular slab (14)
Front and rear sides, stripe board (5), the first spring (11) and cylindrical rod (6) can be passed through from the inner ring of annular slab (14) respectively, annular
The two sides of plate (14) are respectively fixedly connected with the inside of the second U-shaped board (15), and the open side of the second U-shaped board (15) is towards cabinet
(1) outside, and the inner wall of the second U-shaped board (15) can be engaged with the periphery of corresponding electrostatic precipitation plate (2) respectively, the 2nd U
The bottom surface of template (15) can be engaged with the top surface of the first U-shaped board (7).
2. a kind of demonstration teaching aid according to claim 1, it is characterised in that: the top surface two of the annular slab (14)
Side is respectively fixedly connected with the lower end of second spring (16), and the upper end of second spring (16) is respectively fixedly connected with the inner wall of cabinet (1)
Top surface two sides.
3. a kind of demonstration teaching aid according to claim 1, it is characterised in that: the top surface of first U-shaped board (7)
Several through-holes (17) are opened up respectively.
4. a kind of demonstration teaching aid according to claim 1, it is characterised in that: the side of the rectangular strip (8)
Distinguish chamfering in top and bottom.
5. a kind of demonstration teaching aid according to claim 1, it is characterised in that: the top surface and bottom of the supporting plate (10)
Face opens up anti-skid chequer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820061392.6U CN208607829U (en) | 2018-01-15 | 2018-01-15 | A kind of demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820061392.6U CN208607829U (en) | 2018-01-15 | 2018-01-15 | A kind of demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208607829U true CN208607829U (en) | 2019-03-15 |
Family
ID=65659217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820061392.6U Expired - Fee Related CN208607829U (en) | 2018-01-15 | 2018-01-15 | A kind of demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208607829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462563A (en) * | 2020-03-28 | 2020-07-28 | 吴晓力 | Combined intelligent building weak current system training device and method thereof |
| CN113570932A (en) * | 2021-07-30 | 2021-10-29 | 李雪 | Multi-degree-of-freedom simulation platform for intelligent practical training teaching |
-
2018
- 2018-01-15 CN CN201820061392.6U patent/CN208607829U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462563A (en) * | 2020-03-28 | 2020-07-28 | 吴晓力 | Combined intelligent building weak current system training device and method thereof |
| CN113570932A (en) * | 2021-07-30 | 2021-10-29 | 李雪 | Multi-degree-of-freedom simulation platform for intelligent practical training teaching |
| CN113570932B (en) * | 2021-07-30 | 2023-01-20 | 淄博职业学院 | Multi-degree-of-freedom simulation platform for intelligent practical training teaching |
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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: 20190315 Termination date: 20200115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |