CN203592829U - Showing blackboard for teaching - Google Patents
Showing blackboard for teaching Download PDFInfo
- Publication number
- CN203592829U CN203592829U CN201320844004.9U CN201320844004U CN203592829U CN 203592829 U CN203592829 U CN 203592829U CN 201320844004 U CN201320844004 U CN 201320844004U CN 203592829 U CN203592829 U CN 203592829U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- elongated slot
- face
- blackboard surface
- arranges
- 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
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to the field of teaching tools, in particular to a showing blackboard for teaching. The showing blackboard comprises a blackboard face. A first combination support and a second combination support are arranged on the left side and the right side of the blackboard face respectively. The first combination support comprises a carrying plate and a supporting rod below. One end of the carrying plate is arranged on the left side of the blackboard face through a first hinge. A stopping block is arranged on the lower side of the other end of the carrying plate. One end of the supporting rod is arranged on the lower side of the blackboard face through a second hinge. A limiting block is arranged on the back face of the connecting portion. The second combination support and the first combination support are the same in structure. Two supports are horizontally arranged on the lower portion of the blackboard face. The supports are connected with the blackboard face through screws. A first long groove and a detachable second long groove are formed in the supports. The second long groove is formed above the first long groove. The small blackboard can be placed conveniently and safely, the small blackboard cannot be skewed and fall off easily, chalk powder generated during writing cannot pollute chalk placed on the blackboard, and chalk powder can be easily cleaned.
Description
Technical field
The utility model relates to a kind of educational aid field, relates in particular to a kind of teaching with showing blackboard.
Background technology
Blackboard is one of the most frequently used educational aid, teacher usually needs to use small blackboard in the time giving lessons, to save time and the number of times write, present small blackboard normally hangs on the nail on blackboard, not only easily crooked, affect student viewing, and the generation of easily dropping is dangerous, the chalk powder producing while writing is not easy cleaning, affects academic environment.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of teaching with showing blackboard, can place easily and safely small blackboard, guarantee that small blackboard is not crooked, be difficult for dropping, the chalk powder producing while writing can not pollute the chalk being placed on blackboard, and easily clears up chalk powder.
Teaching described in the utility model comprises blackboard surface with displaying blackboard, the left and right sides of blackboard surface arranges respectively the first combined support frame and the second combined support frame, the first combined support frame comprises the support bar of support board and below, one end of support board is arranged on the left side of blackboard surface by the first hinge, the other end downside of support board arranges block, one end of support bar is arranged on the downside of blackboard surface by the second hinge, the back side of junction arranges limited block, the second combined support frame is identical with the first combined support shelf structure, while placing small blackboard, support board is the level of state, support bar is vertical state, small blackboard is placed on support board, while use, support board is rotated to vertical position, support bar is rotated to horizontal level, do not affect the use of blackboard surface.
Blackboard surface lower horizontal arranges two bracing frames, bracing frame is connected with blackboard surface by screw, on bracing frame, place the first elongated slot and dismountable the second elongated slot, the second elongated slot is on the first elongated slot, chalk is placed in the first elongated slot, the chalk powder producing while writing drops in the second elongated slot, just can not pollute chalk, the second elongated slot is pulled down to the chalk powder that just can clean the inside.
Blackboard surface one side arranges loudspeaker and switch, and loudspeaker is above switch, and the below of switch arranges hook, and teacher can make loudspeaker sounding by switch in the time need to causing student's attention, hangs towel on hook, after teacher has write, can wipe hand.
The beneficial effect that the utility model compared with prior art had is:
1, teacher, in the time using small blackboard, can place small blackboard easily and safely, guarantees that small blackboard is not crooked, is difficult for dropping.
2, the chalk powder producing while writing can not pollute the chalk being placed on blackboard, and easily clears up chalk powder.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, bracing frame; 2, the first elongated slot; 3, the second elongated slot; 4, screw; 5, the second hinge; 6, the first hinge; 7, support board; 8, support bar; 9, block; 10, limited block; 11, blackboard surface; 12, loudspeaker; 13, switch; 14, hook.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, teaching comprises blackboard surface 11 with displaying blackboard, the left and right sides of blackboard surface 11 arranges respectively the first combined support frame and the second combined support frame, the first combined support frame comprises the support bar 8 of support board 7 and below, one end of support board 7 is arranged on the left side of blackboard surface 11 by the first hinge 6, the other end downside of support board 7 arranges block 9, one end of support bar 8 is arranged on the downside of blackboard surface 11 by the second hinge 5, it is identical with the first combined support shelf structure that the back side of junction arranges limited block 10, the second combined support framves.
The process of placing small blackboard is described as an example of the first combined support frame example, while use, support board 7 is at vertical position, support bar 8 is at horizontal level, do not affect the use of blackboard surface 11, while using small blackboard, first support board 7 is rotated counterclockwise to horizontal level, again support bar 8 is rotated clockwise to vertical position, the upper end of support bar 8 is stuck in block 9 the right, due to the existence of limited block 10, support bar 8 can not be rotated further to the right, has so just fixed support bar 8, finally small blackboard is placed on support board 7, not only safe but also not crooked.The first combined support frame and the second combined support frame can use separately, also can be used in conjunction with, in the middle of small blackboard is placed on.
Blackboard surface 11 lower horizontal arrange two bracing frames 1, bracing frame 1 is connected with blackboard surface 11 by screw 4, on bracing frame 1, place the first elongated slot 2 and dismountable the second elongated slot 3, the second elongated slot 3 is on the first elongated slot 2, chalk is placed in the first elongated slot 2, the chalk powder producing while writing drops in the second elongated slot 3, just can not pollute chalk, the second elongated slot 3 is pulled down to the chalk powder that just can clean the inside.
Blackboard surface 11 1 sides arrange loudspeaker 12 and switch 13, loudspeaker 12 is above switch 13, the below of switch 13 arranges hook 14, teacher is in the time need to causing student's attention, when allowing everybody quiet down, can make loudspeaker 12 sounding by switch 13, on hook 14, hang towel, after teacher is complete with chalk-writing, can wipe hand, the textbook of can not making dirty while taking textbook.
Claims (2)
1. a teaching is with showing blackboard, comprise blackboard surface (11), it is characterized in that: the left and right sides of described blackboard surface (11) arranges respectively the first combined support frame and the second combined support frame, the first combined support frame comprises the support bar (8) of support board (7) and below, one end of support board (7) is arranged on the left side of blackboard surface (11) by the first hinge (6), the other end downside of support board (7) arranges block (9), one end of support bar (8) is arranged on the downside of blackboard surface (11) by the second hinge (5), the back side of junction arranges limited block (10), the second combined support frame is identical with the first combined support shelf structure, described blackboard surface (11) lower horizontal arranges two bracing frames (1), bracing frame (1) is connected with blackboard surface (11) by screw (4), upper the first elongated slot (2) and dismountable the second elongated slot (3) placed of bracing frame (1), the second elongated slot (3) is on the first elongated slot (2).
2. teaching according to claim 1, with showing blackboard, is characterized in that: described blackboard surface (11) one sides arrange loudspeaker (12) and switch (13), and the below of switch (13) arranges hook (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844004.9U CN203592829U (en) | 2013-12-19 | 2013-12-19 | Showing blackboard for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844004.9U CN203592829U (en) | 2013-12-19 | 2013-12-19 | Showing blackboard for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592829U true CN203592829U (en) | 2014-05-14 |
Family
ID=50673742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320844004.9U Expired - Fee Related CN203592829U (en) | 2013-12-19 | 2013-12-19 | Showing blackboard for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944189A (en) * | 2018-07-16 | 2018-12-07 | 常州信息职业技术学院 | Blackboard for teaching |
-
2013
- 2013-12-19 CN CN201320844004.9U patent/CN203592829U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944189A (en) * | 2018-07-16 | 2018-12-07 | 常州信息职业技术学院 | Blackboard for teaching |
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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: 20140514 Termination date: 20141219 |
|
| EXPY | Termination of patent right or utility model |