CN203449816U - Dust-free blackboard eraser with cleanout fluid arranged inside - Google Patents
Dust-free blackboard eraser with cleanout fluid arranged inside Download PDFInfo
- Publication number
- CN203449816U CN203449816U CN201320474836.6U CN201320474836U CN203449816U CN 203449816 U CN203449816 U CN 203449816U CN 201320474836 U CN201320474836 U CN 201320474836U CN 203449816 U CN203449816 U CN 203449816U
- Authority
- CN
- China
- Prior art keywords
- dust
- head
- sap cavity
- rearmounted
- base plate
- 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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- 239000012530 fluid Substances 0.000 title claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 33
- 239000000758 substrate Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to auxiliary teaching tools, in particular to a dust-free blackboard eraser with cleanout fluid arranged inside. The dust-free blackboard eraser with the cleanout fluid arranged inside solves the problems that an existing blackboard eraser brings secondary pollution to the cleanout fluid, too much cleanout fluid flows down along a blackboard, and fatigue of the human body can be caused due to long-time holding on the blackboard eraser. The dust-free blackboard eraser with the cleanout fluid arranged inside comprises a sponge layer (3), a rubber scraping groove (4), a rear-arranged sponge (8) and a base plate (15). The sponge layer (3) is arranged below the base plate (15), anti-slide grooves (14) are symmetrically formed in the right side and the left side of the base plate (15), the rear-arranged sponge (8) is arranged at the rear end of the base plate (15), a piston button (1) is arranged above the base plate (15), and the piston button (1) penetrates through the base plate (15) and is connected with a transmission lever (2) mounted inside the base plate (15). A movable device I (5) and a movable device II (6) are arranged at the two ends of the transmission lever (2) respectively. The dust-free blackboard eraser with cleanout fluid arranged inside has the advantages of being simple in structure and convenient to use, cannot cause the secondary pollution when used for cleaning the blackboard, and saves resources.
Description
Technical field
The utility model relates to teaching appurtenance, is specially a kind of dust-free black board eraser of built-in cleaning fluid.
Background technology
Blackboard, chalk and blackboard eraser are requisite appurtenances in daily teaching process.Chalk is the instrument widely using in daily teaching, is generally used for book and writes on the blackboard.Now, the chalk of domestic use is mainly common chalk, and its main component is calcium carbonate and calcium sulfate, or is not easy to be decomposed containing a small amount of calcium oxide.At present, the blackboard eraser of use is by substrate and is arranged on substrate cleaning piece and forms, and when erasing the board, chalk dust will inevitably fly away everywhere, has affected to a great extent academic environment; Especially user is when erasing the board; user's cuff often can touch blackboard, after the chalk powder now adhering on blackboard and the chalk powder dropping from blackboard eraser are inevitable, is attached on cuff, is not only difficult for beating and claps; also can do dirtier and dirtier on the contrary, very difficult cleaning.
At present, the teaching pattern of most places is: teacher often need write with chalk, draw and explain on blackboard, in a class of 45 ~ 50 minutes, will erasable several, lower class hour, often on hand, on sleeve, even all leave one deck white chalk dust on hair, shoulder.Everyday like this, year after year, work after 20 ~ 30 years, worn down ten hundreds of chalks, chalk dust is suffered from chronic illness by teachers and students' inspiration tracheae, very large on teachers and students' healthy impact, and these alkaline dust of Long Term Contact, may make become very dry of both hands, can cause very large harm to teachers and students' skin.
Utility model content
The purpose of this utility model is to provide a kind of dust-free black board eraser of built-in cleaning fluid, solve the secondary pollution that existing blackboard eraser causes cleaning fluid, cleaning fluid too much along blackboard in a large number to dirty, and while using due to the problem of people's grasped human-body fatigue causing of long duration.
In order to realize described object, the utility model specifically adopts following technical scheme:
A dust-free black board eraser for built-in cleaning fluid, comprises piston button 1, transmission levers 2, spongy layer 3, rubber slot scraping 4, head I 5, head II 6, liquid injection port 7, rearmounted sponge 8, lever support bar 9, plastic dam 10, preposition sap cavity 11, rearmounted sap cavity 12, amount transparent liquid device 13, anti-slip tank 14, substrate 15.It is characterized in that: substrate 15 belows are provided with spongy layer 3, the symmetrical anti-slip tank 14 that offers in both sides, rear end is provided with rearmounted sponge 8, and top is provided with piston button 1, and it passes substrate 15, is connected with the inner transmission levers 2 of installing of substrate 15; The two ends of transmission levers 2 are respectively equipped with head I 5, head II 6, and centre is provided with lever support bar 9; Described substrate 15 tops are also provided with liquid injection port 7, and inner, rear and front end is respectively equipped with preposition sap cavity 11, rearmounted sap cavity 12; Rearmounted sap cavity 12 front ends are provided with plastic dam 10.
Described head I 5 is by liquid inlet I 51, pressing plate 52, and spring I 53, brace table I 54, rubber piston I 55, flow-stopping plate I 56, liquid outlet I 57 forms.
Described head II 6 is by liquid inlet II 61, riser 62, and spring II 63, brace table II 64, rubber piston II 65, flow-stopping plate II 66, liquid outlet II 67 forms.
The symmetrical rubber slot scraping 4 that is provided with in described spongy layer 3 both sides.
Described preposition sap cavity 11, the outside of rearmounted sap cavity 12 are respectively equipped with amount transparent liquid device 13.
The dust-free black board eraser of a kind of built-in cleaning fluid of the utility model, substrate 15 belows are provided with spongy layer 3, the symmetrical anti-slip tank 14 that offers in both sides, and rear end is provided with rearmounted sponge 8, top is provided with piston button 1, and it passes substrate 15, is connected with the inner transmission levers 2 of installing of substrate 15; Described rearmounted sponge 8, makes to clean blackboard liquid outlet quantity when larger, and it is processed timely, has guaranteed that cleaning fluid is not along blackboard to dirty; The symmetrical rubber slot scraping 4 that is provided with in described spongy layer 3 both sides, it is when cleaning blackboard, and the waste liquid staying on blackboard scrapes easily, guarantees that blackboard is not secondary polluted; Described anti-slip tank 14 is user's blackboard erasers of can holding with a firm grip more comfortable, easily.
Compared with prior art, the beneficial effect of the dust-free black board eraser of a kind of built-in cleaning fluid of the utility model is: simple in structure, easy to use, while cleaning blackboard, can not cause secondary pollution; In cleaning process, if when liquid outlet quantity is larger, can not cause cleaning fluid along blackboard to dirty yet, save cleaning fluid, cleaning fluid is utilized to greatest extent.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Fig. 2 is upward view of the present utility model
Fig. 3 is the structural representation of head I
Fig. 4 is the structural representation of head II 6
In figure: piston button 1, transmission levers 2, spongy layer 3, rubber slot scraping 4, head I 5, head II 6, liquid injection port 7, rearmounted sponge 8, lever support bar 9, plastic dam 10, preposition sap cavity 11, rearmounted sap cavity 12, amount transparent liquid device 13, anti-slip tank 14, substrate 15, liquid inlet I 51, pressing plate 52, spring I 53, brace table I 54, rubber piston I 55, flow-stopping plate I 56, liquid outlet I 57, liquid inlet II 61, riser 62, spring II 63, brace table II 64, rubber piston II 65, flow-stopping plate II 66, liquid outlet II 67.
The specific embodiment
Example 1
A dust-free black board eraser for built-in cleaning fluid, as shown in Figure 1, comprises piston button 1, transmission levers 2, spongy layer 3, rubber slot scraping 4, head I 5, head II 6, liquid injection port 7, rearmounted sponge 8, lever support bar 9, plastic dam 10, preposition sap cavity 11, rearmounted sap cavity 12, amount transparent liquid device 13, anti-slip tank 14, substrate 15; Substrate 15 belows are provided with spongy layer 3, the symmetrical anti-slip tank 14 that offers in both sides, and rear end is provided with rearmounted sponge 8, and top is provided with piston button 1, and it passes substrate 15, is connected with the inner transmission levers 2 of installing of substrate 15; The two ends of transmission levers 2 are respectively equipped with head I 5, head II 6, and centre is provided with lever support bar 9; Described substrate 15 tops are also provided with liquid injection port 7, and inner, rear and front end is respectively equipped with preposition sap cavity 11, rearmounted sap cavity 12.
The symmetrical rubber slot scraping 4 that is provided with in described spongy layer 3 both sides, it is scraped the waste liquid staying on blackboard easily.
As shown in Figure 1, when preposition sap cavity 11, when rearmounted sap cavity 12 inside are equipped with cleaning fluid, apply certain pressure to piston button 1, when head I 5 is under pressure, pressing plate 52 moves down, Compress Spring I 53, and cleaning fluid is flowed into head I 5 inside, along rubber piston I 55, from liquid outlet I 57, is flowed out to spongy layer 3 by liquid inlet I 51; When head I 5 is under pressure, head II 6 under tensions, make riser 62 drive spring II 63 to rise, cleaning fluid is flowed into head II 6 inside, along rubber piston II 65, from liquid outlet II 67, is flowed out to spongy layer 3 by liquid inlet II 61, now can carry out wiping or the cleaning of blackboard.
As shown in Figure 2, the symmetrical anti-slip tank 14 that offers in substrate 15 both sides, while making cleaning or blackboard wiping, blackboard eraser is not easy landing from operator's hand, and holds comfortable, convenience.
Claims (5)
1. a dust-free black board eraser for built-in cleaning fluid, comprises piston button (1), transmission levers (2), spongy layer (3), rubber slot scraping (4), head I (5), head II (6), liquid injection port (7), rearmounted sponge (8), lever support bar (9), plastic dam (10), preposition sap cavity (11), rearmounted sap cavity (12), amount transparent liquid device (13), anti-slip tank (14), substrate (15); It is characterized in that: substrate (15) below is provided with spongy layer (3), the symmetrical anti-slip tank (14) that offers in both sides, rear end is provided with rearmounted sponge (8), top is provided with piston button (1), and it passes substrate (15), is connected with the inner transmission levers (2) of installing of substrate (15); The two ends of transmission levers (2) are respectively equipped with head I (5), head II (6), and centre is provided with lever support bar (9); Described substrate 1(5) top is also provided with liquid injection port (7), and inner, rear and front end is respectively equipped with preposition sap cavity (11), rearmounted sap cavity (12); Rearmounted sap cavity (12) front end is provided with plastic dam (10).
2. a kind of dust-free black board eraser of built-in cleaning fluid according to claim 1, it is characterized in that: head I (5) is by liquid inlet I (51), pressing plate (52), spring I (53), brace table I (54), rubber piston I (55), flow-stopping plate I (56), liquid outlet I (57) forms.
3. a kind of dust-free black board eraser of built-in cleaning fluid according to claim 1, it is characterized in that: head II (6) is by liquid inlet II (61), riser (62), spring II (63), brace table II (64), rubber piston II (65), flow-stopping plate II (66), liquid outlet II (67) forms.
4. a kind of dust-free black board eraser of built-in cleaning fluid according to claim 1, is characterized in that: the symmetrical rubber slot scraping (4) that is provided with in spongy layer (3) both sides.
5. a kind of dust-free black board eraser of built-in cleaning fluid according to claim 1, is characterized in that: the outside of preposition sap cavity (11), rearmounted sap cavity (12) is respectively equipped with amount transparent liquid device (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320474836.6U CN203449816U (en) | 2013-08-05 | 2013-08-05 | Dust-free blackboard eraser with cleanout fluid arranged inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320474836.6U CN203449816U (en) | 2013-08-05 | 2013-08-05 | Dust-free blackboard eraser with cleanout fluid arranged inside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203449816U true CN203449816U (en) | 2014-02-26 |
Family
ID=50129718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320474836.6U Expired - Fee Related CN203449816U (en) | 2013-08-05 | 2013-08-05 | Dust-free blackboard eraser with cleanout fluid arranged inside |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203449816U (en) |
-
2013
- 2013-08-05 CN CN201320474836.6U patent/CN203449816U/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: 20140226 Termination date: 20140805 |
|
| EXPY | Termination of patent right or utility model |