CN205086565U - New -type teaching blackboard eraser - Google Patents
New -type teaching blackboard eraser Download PDFInfo
- Publication number
- CN205086565U CN205086565U CN201520877385.XU CN201520877385U CN205086565U CN 205086565 U CN205086565 U CN 205086565U CN 201520877385 U CN201520877385 U CN 201520877385U CN 205086565 U CN205086565 U CN 205086565U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- expansion link
- telescopic link
- blackboard
- ash
- 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
Abstract
The utility model discloses a new -type teaching blackboard eraser, wipe its characterized in that including blackboard eraser telescopic bracket and electric blackboard: the hair post has a plurality ofly at the up end parallel arrangement of blackboard eraser casing, and has offered in the upper end of hair post and inhaled the ash chute, is collect dust tank between the adjacent hair post, states the side of mao post and has offered out grey hole, goes out the conduction structure of grey hole for inhaling ash chute and collect dust tank, has offered a plurality of flanges around the blackboard eraser casing on the terminal surface, and a plurality of notches have been offered to the terminal surface around the blackboard eraser casing, are the flange between the adjacent notch, are equipped with the socket on the blackboard eraser casing, but upper portion is equipped with expanding spring in the blackboard eraser circle, blackboard eraser circle lower part is passed through the clamping ring and is linked to each other with first telescopic link, first telescopic link lower extreme embolias second telescopic link upper end, second telescopic link lower extreme embolias third telescopic link upper end, third telescopic link lower extreme embolias fourth telescopic link upper end, fourth telescopic link lower extreme embolias in the handle, switch locates on the handle, plug cord one end is passed through the telescopic link and is linked to each other with switch, and the other end is followed first telescopic link upper end and is drawn forth with the plug continuously.
Description
Technical field
The utility model relates to teaching aid technical field, is specially a kind of new-type blackboard for education and wipes.
Background technology
Blackboard right and wrong educational aid usually, teacher by writing the content of courses to reach the object of education student on blackboard with chalk.The word that writes with chalk can cause a lot of chalk dust, uses blackboard eraser to have a lot of chalk dust when erasing the board and to wave contaminated environment and descending slowly and lightly on the body of teacher, student, the clothing and be exposed to outer hair, skin made dirty.Also do not have blackboard eraser can reduce the problem of waving of chalk dust now.During with blackboard eraser wiping chalk word, chalk dust flies upward everywhere, allows many teachers suffer from occupational disease.
Utility model content
The purpose of this utility model is to provide a kind of new-type blackboard for education to wipe, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of new-type blackboard for education is wiped, comprise blackboard eraser telescope support and electric blackboard eraser, it is characterized in that: hair post is arranged with in parallel multiple in the upper surface of blackboard eraser housing, and offer suction ash-pit in the upper end of hair post, be ash collection slot between adjacent hair post, the side stating mao post offers ash output opening, ash output opening is the conducting structure inhaling ash-pit and ash collection slot, the front/rear end of blackboard eraser housing offers multiple flange, the front/rear end of blackboard eraser housing offers multiple recess, it is flange between adjacent recesses, blackboard eraser housing is provided with socket, blackboard eraser circle middle and upper part is provided with flexible springs, blackboard eraser circle bottom is connected with the first expansion link by clamping ring, the second expansion link upper end is inserted in first expansion link lower end, the 3rd expansion link upper end is inserted in second expansion link lower end, the 4th expansion link upper end is inserted in 3rd expansion link lower end, 4th expansion link lower end is inserted in handle, power switch is located on handle, plug cord one end is connected with power switch by expansion link, and the other end is drawn from the first expansion link upper end and is connected with plug, first expansion link, the second expansion link, the 3rd expansion link, the 4th expansion link, handle are equipped with slideway, and all expansion links all stretching motions in slideway.
As further technical scheme of the present utility model: blackboard eraser built-in motor and rechargeable battery; Plug inserts in the socket on blackboard eraser housing.
As further technical scheme of the present utility model: the degree of depth of inhaling ash-pit is 1/2nd of the height of mao post.
As further technical scheme of the present utility model: be provided with the electrostatic generator be electrically connected with thin slice in blackboard eraser.
Compared with prior art, the beneficial effects of the utility model are: this dust-sucking blackboard eraser structure is simple, convenient and practical, can utilize the dust around Electrostatic Absorption, avoid the infringement of flying away teachers and students' health of dust everywhere; Blackboard eraser telescope support is arranged, and teacher can be made to erase the board at a distance, decrease the suction to dust; The setting of flexible springs, can make blackboard eraser telescope support clamp the blackboard eraser of different length.
Accompanying drawing explanation
Fig. 1 is wiping blackboard structure schematic diagram of the present utility model;
Fig. 2 is blackboard eraser telescope support structure chart of the present utility model.
In figure: 1, ash collection slot, 2, Mao Zhu, 3, inhale ash-pit, 4, ash output opening, 5, thin slice, 6, flange, 7, recess, 8, blackboard eraser housing, 9, blackboard eraser circle, 10, plug cord, 11, flexible springs, 12, clamping ring, the 13, first expansion link, 14, the second expansion link, the 15, the 3rd expansion link, the 16, the 4th expansion link, 17, handle, 18, power switch, 19, plug.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-2, the utility model provides a kind of technical scheme: a kind of new-type blackboard for education is wiped, comprise blackboard eraser telescope support and electric blackboard eraser, it is characterized in that: hair post is arranged with in parallel multiple in the upper surface of blackboard eraser housing, and offer suction ash-pit in the upper end of hair post, be ash collection slot between adjacent hair post, the side stating mao post offers ash output opening, ash output opening is the conducting structure inhaling ash-pit and ash collection slot, the front/rear end of blackboard eraser housing offers multiple flange, the front/rear end of blackboard eraser housing offers multiple recess, it is flange between adjacent recesses, blackboard eraser housing is provided with socket, blackboard eraser circle middle and upper part is provided with flexible springs, blackboard eraser circle bottom is connected with the first expansion link by clamping ring, the second expansion link upper end is inserted in first expansion link lower end, the 3rd expansion link upper end is inserted in second expansion link lower end, the 4th expansion link upper end is inserted in 3rd expansion link lower end, 4th expansion link lower end is inserted in handle, power switch is located on handle, plug cord one end is connected with power switch by expansion link, and the other end is drawn from the first expansion link upper end and is connected with plug, first expansion link, the second expansion link, the 3rd expansion link, the 4th expansion link, handle are equipped with slideway, and all expansion links all stretching motions in slideway.
As further technical scheme of the present utility model: blackboard eraser built-in motor and rechargeable battery; Plug inserts in the socket on blackboard eraser housing.
As further technical scheme of the present utility model: the degree of depth of inhaling ash-pit is 1/2nd of the height of mao post.
As further technical scheme of the present utility model: be provided with the electrostatic generator be electrically connected with thin slice in blackboard eraser.
Operation principle of the present utility model: during use, by blackboard eraser on blackboard eraser circle, plug inserts in the socket on blackboard eraser housing, the length of adjustable telescopic rod, and by the power switch on fixed handle, motor rotates, blackboard eraser work; Electrostatic generator produces electrostatic, and electric charge is assembled on thin slice, produces electrostatic force, adsorption of dust; Blackboard wiping, first dust enters suction ash-pit, then enters ash collection slot by ash output opening, enters thin slice by ash collection slot, thus is adsorbed on thin slice, and the dust in neighbouring air also can be attracted on thin slice; Angle between adjustment clamping ring and expansion link, is applicable to different angles blackboard wiping.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and improvement design thereof and replace or change, all should be encompassed in protection domain of the present utility model.
Claims (3)
1. a new-type blackboard for education is wiped, comprise blackboard eraser telescope support and electric blackboard eraser, it is characterized in that: hair post (2) is arranged with in parallel multiple in the upper surface of blackboard eraser housing (8), and suction ash-pit (3) is offered in the upper end of hair post (2), be ash collection slot (1) between adjacent hair post (2), the side stating a mao post (2) offers ash output opening (4), ash output opening (4) is the conducting structure inhaling ash-pit (3) and ash collection slot (1), the front/rear end of blackboard eraser housing (8) offers multiple flange (6), the front/rear end of blackboard eraser housing (8) offers multiple recess (7), be flange (6) between adjacent recesses (7), blackboard eraser housing (8) is provided with socket, blackboard eraser circle (9) middle and upper part is provided with flexible springs (11), blackboard eraser circle (9) bottom is connected with the first expansion link (13) by clamping ring (12), the second expansion link (14) upper end is inserted in first expansion link (13) lower end, the 3rd expansion link (15) upper end is inserted in second expansion link (14) lower end, the 4th expansion link (16) upper end is inserted in 3rd expansion link (15) lower end, 4th expansion link (16) lower end is inserted in handle (17), power switch (18) is located on handle (17), plug cord (10) one end is connected with power switch (18) by expansion link, and the other end is drawn from the first expansion link (13) upper end and is connected with plug (19), first expansion link (13), the second expansion link (14), the 3rd expansion link (15), the 4th expansion link (16), handle (17) are equipped with slideway, and all expansion links all stretching motions in slideway, plug (19) inserts in the socket on blackboard eraser housing (8).
2. the new-type blackboard for education of one according to claim 1 is wiped, and it is characterized in that: blackboard eraser built-in motor.
3. the new-type blackboard for education of one according to claim 1 is wiped, and it is characterized in that: be provided with the electrostatic generator be electrically connected with thin slice (5) in blackboard eraser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877385.XU CN205086565U (en) | 2015-11-03 | 2015-11-03 | New -type teaching blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877385.XU CN205086565U (en) | 2015-11-03 | 2015-11-03 | New -type teaching blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205086565U true CN205086565U (en) | 2016-03-16 |
Family
ID=55477280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877385.XU Expired - Fee Related CN205086565U (en) | 2015-11-03 | 2015-11-03 | New -type teaching blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205086565U (en) |
-
2015
- 2015-11-03 CN CN201520877385.XU patent/CN205086565U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20161103 |