CN207249949U - A kind of field teaching device - Google Patents
A kind of field teaching device Download PDFInfo
- Publication number
- CN207249949U CN207249949U CN201720662393.1U CN201720662393U CN207249949U CN 207249949 U CN207249949 U CN 207249949U CN 201720662393 U CN201720662393 U CN 201720662393U CN 207249949 U CN207249949 U CN 207249949U
- Authority
- CN
- China
- Prior art keywords
- education
- board
- support bar
- fixed
- fixing groove
- 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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Abstract
The utility model discloses a kind of field teaching device, including fixed shell, first support bar, second support bar, board of education and placed cavity, contiguous block is provided between the fixed shell, and the grey cloth of wiping is pasted with the inner wall of fixed shell, the top of the contiguous block is provided with collecting tank, and the bottom of contiguous block offers fixing groove, the top of the first support bar and second support bar is hinged with contiguous block, and support plate is connected with by rotation axis between first support bar and second support bar, fixed link is uniformly distributed with the support plate, and fixed link is mutually engaged with fixing groove, the board of education is fixed between fixed shell by rotation axis, and fixing groove and fixed hole are offered respectively in board of education and in the fixed shell of board of education both sides, the placed cavity is arranged at the both sides of board of education.The field teaching device, overall volume is smaller, carries and carries easy to people, highly practical.
Description
Technical field
Instructional device technical field is the utility model is related to, is specially a kind of field teaching device.
Background technology
It is most basic to impart knowledge to students also in the teaching of theory and practice in higher mathematics, and sometimes for the effect for improving teaching
Rate and quality, and also to the learning interest of student is transferred, sometimes can also be in the simple field teaching activity of outdoor carry out.
Due to that can not carry excessive thing in imparting knowledge to students outdoors, and existing instructional device overall structure is single, body
Product is larger, is not easy to people's carrying, while allomeric function is single, is not easy to people's use, and practicality is not strong, it is impossible to meets people
Use demand, in view of defect existing in the prior art above, it is necessary to further improve it, make its more standby practical
Property, it can just meet actual use situation.
The content of the invention
The purpose of this utility model is to provide a kind of field teaching device, to solve the existing of above-mentioned background technology proposition
Instructional device overall structure it is single, volume is larger, is not easy to people's carrying, while allomeric function is single, and being not easy to people makes
With the problem of practicality is not strong.
To achieve the above object, the utility model provides following technical solution：A kind of field teaching device, including set casing
Body, first support bar, second support bar, board of education and placed cavity, are provided with contiguous block, and set casing between the fixed shell
The grey cloth of wiping is pasted with the inner wall of body, the top of the contiguous block is provided with collecting tank, and the bottom of contiguous block offers fixation
Groove, the top of the first support bar and second support bar are hinged with contiguous block, and first support bar and second support bar it
Between support plate is connected with by rotation axis, fixed link, and fixed link and fixing groove phase are uniformly distributed with the support plate
Occlusion, between the board of education is fixed on fixed shell by rotation axis, and the set casing of in board of education and board of education both sides
Fixing groove and fixed hole are offered on body respectively, the placed cavity is arranged at the both sides of board of education.
Preferably, the width of the collecting tank is equal to the spacing between fixed shell, and the both ends of collecting tank are openning shape
Structure.
Preferably, the fixed link between the first support bar and second support bar in support plate is in mutually staggered knot
Structure, and the spacing between fixed link is equal with the width of fixed link.
Preferably, the inner surface of the support plate and fixed link is uniformly distributed with rake teeth.
Preferably, the board of education side is in contact with wiping grey cloth, and length one of the width of board of education with wiping grey cloth
Cause.
Preferably, the fixing groove and fixed hole are equal with the spacing of rotation axis cross central line, and fixing groove and solid
The aperture for determining through hole is consistent.
Compared with prior art, the beneficial effects of the utility model are：The field teaching device, when in use, pass through by
Board of education is spun out out of fixed shell, can fix board of education by rotating first support bar and second support bar
Firmly, whole operation is simple, and people can be imparted knowledge to students, it is necessary to when wiping person's handwriting in the above at this time, without using chalkboard eraser
Slowly wipe, rotating board of education makes it be contacted with wiping grey cloth, during wiping person's handwriting, can not only prevent chalk dust from floaing
Dissipate, and it is time saving and energy saving, efficiency of teaching is improved, while overall volume is smaller, carries and carries easy to people, highly practical, branch
Fagging and the inner surface of fixed link are uniformly distributed with rake teeth, and good fixing effect, can better conform to outdoor complicated ground,
Using effect is good.
Brief description of the drawings
Fig. 1 is the utility model side structure schematic view；
Fig. 2 is the utility model support plate and fixed link positive structure diagram；
Fig. 3 is the utility model fixed shell internal structure schematic elevation view.
In figure：1st, fixed shell, 2, wipe grey cloth, 3, contiguous block, 4, collecting tank, 5, fixing groove, 6, first support bar, 7, the
Two supporting rods, 8, rotation axis, 9, support plate, 10, fixed link, 11, board of education, 12, placed cavity, 13, fixing groove, 14, fixed logical
Hole.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of field teaching device, including fixed shell
1st, grey cloth 2, contiguous block 3, collecting tank 4, fixing groove 5, first support bar 6, second support bar 7, rotation axis 8, support plate 9, solid is wiped
Fixed pole 10, board of education 11, placed cavity 12, fixing groove 13 and fixed hole 14, contiguous block 3 is provided between fixed shell 1, and solid
The grey cloth 2 of wiping is pasted with the inner wall of fixed shell 1, the top of contiguous block 3 is provided with collecting tank 4, and the width of collecting tank 4, which is equal to, to be fixed
Spacing between housing 1, and the both ends of collecting tank 4 are openning shape structure, chalk ash collection effect is good, while is easy to chalk dust
Pour out, and the bottom of above-mentioned contiguous block 3 offers fixing groove 5, the top and connection of first support bar 6 and second support bar 7
Block 3 is hinged, and the fixed link 10 between first support bar 6 and second support bar 7 in support plate 9 is in mutually staggered structure, and
Spacing between fixed link 10 is equal with the width of fixed link 10, and fixed link 10 can be mutually twisted, so that 6 He of first support bar
Support plate 9 between second support bar 7 can be connected firmly, and coordinate first support bar 6 and second support bar 7 can be by the device
Securely fix, be not prone to tip over, and branch is connected with by rotation axis 8 between above-mentioned first support bar 6 and second support bar 7
The inner surface of fagging 9, support plate 9 and fixed link 10 is uniformly distributed with rake teeth, and fixed link is uniformly distributed with support plate 9
10, and fixed link 10 is engaged with 5 phase of fixing groove, compact overall structure, support plate 9 is not easy to rock, and is transported easy to people, board of education
Between 11 are fixed on fixed shell 1 by rotation axis 8,11 side of board of education is in contact with wiping grey cloth 2, and the width of board of education 11
Degree is consistent with the length for wiping grey cloth 2, sufficiently can fall the handwriting erasing on 11 surface of board of education, easy to the religion of teacher's next time
Learn, and offer fixing groove 13 in above-mentioned board of education 11 and in the fixed shell 1 of 11 both sides of board of education respectively and fix logical
Hole 14, fixing groove 13 and fixed hole 14 are equal with the spacing of 8 cross central line of rotation axis, and fixing groove 13 and fixed hole 14
Aperture it is consistent, when rotating out by board of education 11 from fixed shell 1, fixing groove 13 and fixed hole 14 can be caused to align,
People can be inserted into fixed pin in fixing groove 13 and fixed hole 14, easy to fixed board of education 11, rational in infrastructure, placed cavity 12
It is arranged at the both sides of board of education 11.
Operation principle：When using the field teaching device, first support bar 6 and second support bar 7 are rotated, makes fixed link
10 are disconnected the fixing groove 5 on block 3, and make the support plate 9 in first support bar 6 and second support bar 7 by fixed link 10
It is connected as one, such support plate 9 coordinates first support bar 6 and second support bar 7 to fix fixed shell 1, this
When people board of education 11 can be made to be come out from 1 internal rotating of fixed shell by rotation axis 8, fixing groove 13 and fixed hole at this time
14 are mutually aligned, and people can be inserted into fixed pin inside fixing groove 13 and fixed hole 14, and this makes it possible to by board of education 11
Fix, such people can impart knowledge to students in board of education 11, some educational aids can be put into inside placed cavity 12, need
When wiping the person's handwriting in board of education 11, rotation board of education 11 makes it be contacted with wiping grey cloth 2, and wiping grey cloth 2 can be by board of education 11
The handwriting erasing on surface, pen ash is dropped into collecting tank 4 caused by erasing, and the work here it is the field teaching device is former
Reason.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic into
Row equivalent substitution, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of field teaching device, including fixed shell（1）, first support bar（6）, second support bar（7）, board of education（11）
And placed cavity（12）, it is characterised in that：The fixed shell（1）Between be provided with contiguous block（3）, and fixed shell（1）It is interior
The grey cloth of wiping is pasted with wall（2）, the contiguous block（3）Top be provided with collecting tank（4）, and contiguous block（3）Bottom open up
There is fixing groove（5）, the first support bar（6）And second support bar（7）Top and contiguous block（3）It is hinged, and first
Strut（6）And second support bar（7）Between pass through rotation axis（8）It is connected with support plate（9）, the support plate（9）It is upper uniform
Fixed link is distributed with（10）, and fixed link（10）With fixing groove（5）Mutually it is engaged, the board of education（11）Pass through rotation axis（8）
It is fixed on fixed shell（1）Between, and board of education（11）Upper and board of education（11）The fixed shell of both sides（1）It is upper to open up respectively
There is fixing groove（13）And fixed hole（14）, the placed cavity（12）It is arranged at board of education（11）Both sides.
A kind of 2. field teaching device according to claim 1, it is characterised in that：The collecting tank（4）Width be equal to
Fixed shell（1）Between spacing, and collecting tank（4）Both ends be openning shape structure.
A kind of 3. field teaching device according to claim 1, it is characterised in that：The first support bar（6）With second
Supporting rod（7）Between support plate（9）On fixed link（10）In mutually staggered structure, and fixed link（10）Between spacing with
Fixed link（10）Width it is equal.
A kind of 4. field teaching device according to claim 1, it is characterised in that：The support plate（9）And fixed link
（10）Inner surface be uniformly distributed with rake teeth.
A kind of 5. field teaching device according to claim 1, it is characterised in that：The board of education（11）Side with wiping
Grey cloth（2）It is in contact, and board of education（11）Width with wiping grey cloth（2）Length it is consistent.
A kind of 6. field teaching device according to claim 1, it is characterised in that：The fixing groove（13）And fixed hole
（14）With rotation axis（8）The spacing of cross central line is equal, and fixing groove（13）And fixed hole（14）Aperture it is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662393.1U CN207249949U (en) | 2017-06-08 | 2017-06-08 | A kind of field teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662393.1U CN207249949U (en) | 2017-06-08 | 2017-06-08 | A kind of field teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207249949U true CN207249949U (en) | 2018-04-17 |
Family
ID=61876650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720662393.1U Expired - Fee Related CN207249949U (en) | 2017-06-08 | 2017-06-08 | A kind of field teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207249949U (en) |
-
2017
- 2017-06-08 CN CN201720662393.1U patent/CN207249949U/en not_active Expired - Fee Related
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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: 20180417 Termination date: 20190608 |