CN205541557U - Novel special demonstration board of english tense - Google Patents
Novel special demonstration board of english tense Download PDFInfo
- Publication number
- CN205541557U CN205541557U CN201620039300.5U CN201620039300U CN205541557U CN 205541557 U CN205541557 U CN 205541557U CN 201620039300 U CN201620039300 U CN 201620039300U CN 205541557 U CN205541557 U CN 205541557U
- Authority
- CN
- China
- Prior art keywords
- groove
- bearing
- end cap
- turning set
- demonstration board
- 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
Links
- 238000005299 abrasion Methods 0.000 description 2
- 230000023298 conjugation with cellular fusion Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000021037 unidirectional conjugation Effects 0.000 description 2
- 206010019233 Headache Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
Abstract
Novel special demonstration board of english tense, including demonstration board main part, rotating device, teaching cabinet, the demonstration board main part is passed through rotating device and is connected the teaching cabinet, rotating device is including rotating cover, fixed column, end cover, it rotates on the fixed column to rotate the cover, demonstration board main part bottom has the rotation and overlaps the fixed slot, and rotation cover fixed slot is connected the rotation and is overlapped, it has the bearing frame fixed slot to rotate cover fixed slot lower part, bearing frame fixed slot connecting axle bearing, bearing frame inside has the bearing and rotates the groove, the bearing rotates tank bottom portion diameter and is greater than fixed column middle part diameter, the bearing rotates the groove and connects the bearing, bearing frame fixed slot lower part has the end cover groove, the end cover is connected in the end cover groove, the end cover lower part has the fastening double -screw bolt.
Description
Technical field
This utility model relates to English teaching field, particularly relates to a kind of Novel English tense dedicated presentation plate.
Background technology
One of problem of English learner's headache during tense, being the verb form representing behavior, action and state under various time conditions during English tense, different tenses is in order to represent different time and mode, but learner is when practice, often feeling more thorny, classroom efficiency is low.
Utility model content
This utility model is for deficiencies of the prior art, it is provided that a kind of constitutionally stable Novel English tense dedicated presentation plate.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of Novel English tense dedicated presentation plate, including demonstration board main body, tumbler, teaching cabinet, described demonstration board main body connects teaching cabinet by tumbler, described tumbler includes turning set, fixing post, end cap, described turning set rotates on fixing post, described demonstration board bottom part body has turning set and fixes groove, turning set is fixed groove and is connected turning set, described turning set is fixed groove bottom and is had bearing block and fix groove, described bearing block fixes groove connecting shaft bearing, there is inside described bearing block bearing rotation slot, described bearing rotation slot base diameter is more than fixing post mid diameter, described bearing rotation slot connects bearing, described bearing block is fixed groove bottom and is had end cap groove, described end cap groove connects end cap, described end cap bottom has fastening stud.
Described teaching cabinet top has fixed plate, there is inside described fixed plate fixing groove, in the middle part of described fixing groove, there is anti-rotation block, described anti-rotation block cross section is square, described fixing groove is internal connects fixing post, described fixing column section is notch cuttype, and described fixing column bottom has spline groove, and described spline groove connects anti-rotation block.
Form end cap fastening chamber with fixing groove in the middle part of described fixing post, described end cap fastening chamber connects end cap, and described end cap fastening chamber sidewall has fastening screw thread, and described fastening screw thread engages each other with fastening stud, described fixing post top passes bearing, and described fixing post inserts in turning set.
Beneficial effect:
Demonstration board main body connects teaching cabinet by tumbler, turning set rotates on fixing post, demonstration board bottom part body has turning set and fixes groove, turning set is fixed groove bottom and is had bearing block and fix groove, described bearing block fixes groove connecting shaft bearing, there is inside bearing block bearing rotation slot, bearing rotation slot connects bearing, under the common effect of bearing and turning set, demonstration board main body realizes rotating on fixing post, simultaneously because bearing is arranged on inside bearing block, improve rotating effect, reduce the direct friction between demonstration board main body and shine into demo abrasion, improve the service life of demonstration board.Teaching cabinet top has fixed plate, has fixing groove inside fixed plate, and fixing groove is internal connects fixing post, and fixing column bottom has spline groove, and spline groove connects anti-rotation block, and anti-rotation block can effectively prevent fixing post from rotating, Stability Analysis of Structures.Form end cap fastening chamber with fixing groove in the middle part of fixing post, end cap fastening chamber connects end cap, end cap fastening chamber sidewall has fastening screw thread, fastening screw thread engages each other with fastening stud, fixing post top is through bearing, fixing post inserts in turning set, this Novel English tense dedicated presentation plate aided education by demonstration board main body, strengthen student the cognitron of English tense is remembered, improve classroom teaching effect, improve Students ' Learning achievement, simultaneously at bearing, under turning set and the fixing common mating reaction of post three, demonstration board body rotation, make demonstration board main body can carry out two-sided use, reduce classroom writing time, improve classroom efficiency.
Accompanying drawing explanation
Fig. 1 is Novel English tense dedicated presentation plate partial structurtes schematic diagram described in the utility model.
Detailed description of the invention
Below according to drawings and Examples, this utility model is described in further detail:
nullA kind of Novel English tense dedicated presentation plate，Including demonstration board main body 1、Tumbler、Teaching cabinet 2，Described demonstration board main body 1 connects teaching cabinet 2 by tumbler，Described tumbler includes turning set 3、Fixing post 4、End cap 17，Described turning set 3 rotates on fixing post 4，Bottom described demonstration board main body 1, there is turning set and fix groove 10，Turning set is fixed groove 10 and is connected turning set 3，Described turning set is fixed groove 10 bottom and is had bearing block and fix groove 12，Described bearing block fixes groove 12 connecting shaft bearing 13，Described bearing block 13 is internal has bearing rotation slot 14，Described bearing rotation slot 14 base diameter is more than fixing post mid diameter，Described bearing rotation slot 14 connects bearing 15，Under the common effect of bearing and turning set，Demonstration board main body realizes rotating on fixing post，Simultaneously because bearing is arranged on inside bearing block，Improve rotating effect，Reduce the direct friction between demonstration board main body and shine into demo abrasion，Improve the service life of demonstration board.Described bearing block is fixed groove 12 bottom and is had end cap groove 16, and described end cap groove 16 connects end cap 17, and described end cap 17 bottom has fastening stud 18.
Described teaching cabinet 2 top has fixed plate 5, described fixed plate 5 is internal has fixing groove 6, in the middle part of described fixing groove 6, there is anti-rotation block 7, described anti-rotation block cross section is square, and described fixing groove 6 is internal connects fixing post 4, and described fixing post 4 cross section is notch cuttype, bottom described fixing post 4, there is spline groove 8, described spline groove 8 connects anti-rotation block 7, and anti-rotation block can effectively prevent fixing post from rotating, Stability Analysis of Structures.
Form end cap fastening chamber with fixing groove 6 in the middle part of described fixing post 4, described end cap fastening chamber connects end cap 17, described end cap fastening chamber sidewall has fastening screw thread 9, described fastening screw thread 9 engages each other with fastening stud 18, described fixing post 4 top passes bearing 15, described fixing post 4 inserts in turning set 3, this Novel English tense dedicated presentation plate aided education by demonstration board main body, strengthen student the cognitron of English tense is remembered, improve classroom teaching effect, improve Students ' Learning achievement, simultaneously at bearing, under turning set and the fixing common mating reaction of post three, demonstration board body rotation, make demonstration board main body can carry out two-sided use, reduce classroom writing time, improve classroom efficiency.
Claims (3)
1. a Novel English tense dedicated presentation plate, it is characterized in that: include demonstration board main body, tumbler, teaching cabinet, described demonstration board main body connects teaching cabinet by tumbler, described tumbler includes turning set, fixing post, end cap, described turning set rotates on fixing post, described demonstration board bottom part body has turning set and fixes groove, turning set is fixed groove and is connected turning set, described turning set is fixed groove bottom and is had bearing block and fix groove, described bearing block fixes groove connecting shaft bearing, there is inside described bearing block bearing rotation slot, described bearing rotation slot base diameter is more than fixing post mid diameter, described bearing rotation slot connects bearing, described bearing block is fixed groove bottom and is had end cap groove, described end cap groove connects end cap, described end cap bottom has fastening stud.
Novel English tense dedicated presentation plate the most according to claim 1, it is characterized in that: described teaching cabinet top has fixed plate, there is inside described fixed plate fixing groove, in the middle part of described fixing groove, there is anti-rotation block, described anti-rotation block cross section is square, and described fixing groove is internal connects fixing post, and described fixing column section is notch cuttype, described fixing column bottom has spline groove, and described spline groove connects anti-rotation block.
Novel English tense dedicated presentation plate the most according to claim 2, it is characterized in that: in the middle part of described fixing post, form end cap fastening chamber with fixing groove, described end cap fastening chamber connects end cap, described end cap fastening chamber sidewall has fastening screw thread, described fastening screw thread engages each other with fastening stud, described fixing post top passes bearing, and described fixing post inserts in turning set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039300.5U CN205541557U (en) | 2016-01-18 | 2016-01-18 | Novel special demonstration board of english tense |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039300.5U CN205541557U (en) | 2016-01-18 | 2016-01-18 | Novel special demonstration board of english tense |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205541557U true CN205541557U (en) | 2016-08-31 |
Family
ID=56763837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039300.5U Expired - Fee Related CN205541557U (en) | 2016-01-18 | 2016-01-18 | Novel special demonstration board of english tense |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205541557U (en) |
-
2016
- 2016-01-18 CN CN201620039300.5U patent/CN205541557U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |