CN207045012U - A kind of blackboard eraser - Google Patents
A kind of blackboard eraser Download PDFInfo
- Publication number
- CN207045012U CN207045012U CN201720469830.8U CN201720469830U CN207045012U CN 207045012 U CN207045012 U CN 207045012U CN 201720469830 U CN201720469830 U CN 201720469830U CN 207045012 U CN207045012 U CN 207045012U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- main body
- support bar
- crossbeam
- blackboard
- 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 kind of blackboard eraser, including crossbeam, blackboard eraser main body, the crossbeam is provided at both ends with fixed seat, upper rail groove is provided with above the crossbeam, moving cart is provided with the upper rail groove, lower guideway groove is provided below in the crossbeam, lower moving cart is provided with the lower guideway groove, the lower moving cart lower end is provided with link, support bar is provided with below the upper mobile Plantago minuta, the support bar bottom is provided with the blackboard eraser main body, the blackboard eraser main body medial surface is provided with bristle, the bristle both sides are provided with air suction opening, hole for water spraying is provided with the outside of the air suction opening, the blackboard eraser main body upper end side is provided with the sweep-up pipe being connected with the air suction opening.Beneficial effect is：Blackboard powder can be siphoned away, reduces injury of the chalk powder to human body, while blackboard surface can be cleaned with injection water, it is simple, convenient, and save manpower.
Description
Technical field
Teaching aid technical field is the utility model is related to, more particularly to a kind of blackboard eraser.
Background technology
Blackboard eraser, as one kind in teaching process, for the instrument of writing or pattern on blackboard wiping or blank, permitted
More occasions are widely used.Also, with the development of science and technology, the material of blackboard eraser, design concept also become more reasonable,
So that people are also more handy in the writing on using blackboard eraser blackboard wiping or blank.Application No.
201520805155.2 Chinese patent, disclose blackboard eraser include blackboard eraser body, storage tank, sparge pipe, water inlet, by
Button, magnet, expansion link, draw ring, window and wiper.Wiper is connected with blackboard eraser body by felt.Storage tank is arranged on blackboard
The body back side is wiped, is fixedly connected with blackboard eraser body；Sparge pipe runs through blackboard eraser body, and wiping is extended to inside storage tank
At cloth.Expansion link one end sets draw ring, and the other end is located inside blackboard eraser body, is fixedly connected with blackboard eraser body, can be pulled out
Also can close inside blackboard eraser.Storage tank side sets transparent window, top surface or side settings button.Magnet is arranged at blackboard eraser
Body interior.Above-mentioned patent fills weight weight after water, inconvenient for operation.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of blackboard eraser.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of blackboard eraser, including crossbeam, blackboard eraser main body, the crossbeam are provided at both ends with fixed seat, above the crossbeam
Upper rail groove is provided with, moving cart is provided with the upper rail groove, lower guideway groove is provided below in the crossbeam, described
Lower moving cart is provided with lower guideway groove, the lower moving cart lower end is provided with link, the upper mobile Plantago minuta lower section
Support bar is provided with, the support bar bottom is provided with the blackboard eraser main body, and the blackboard eraser main body medial surface is provided with brush
Hair, the bristle both sides are provided with air suction opening, hole for water spraying, the blackboard eraser main body upper end side are provided with the outside of the air suction opening
The sweep-up pipe being connected with the air suction opening is provided with, the blackboard eraser main body upper end opposite side is provided with to be connected with the hole for water spraying
Water inlet pipe, the blackboard eraser body side is provided with control button.
In said structure, the sweep-up pipe connects an extractor fan, the water inlet pipe connect a water tank with water pump, it is necessary to
During using blackboard eraser, hold described blackboard eraser main body or so and move up and down, extractor fan is started by the control button,
Siphoned away from suction caused by the air suction opening the chalk powder under the bristle brush, it is necessary to when cleaning blackboard, pass through the control
Button starts water pump, and current are sprayed onto the cleaning completed on blackboard surface to blackboard out of described hole for water spraying.
Further, the crossbeam is fixed by screws in the fixed seat, and the fixed seat is consolidated by expansion bolt
It is scheduled on the wall above blackboard.
Further, the support bar is fixed by screws in below the upper moving cart, and the support bar is to stretch
Contracting formula.
Further, the support bar is nested together using the more piece hollow metal tube chain of rings and is made, the support bar side
Face is provided with stopper slot.
Further, the blackboard eraser main body is fixed by screws in below the support bar, and the bristle is pasted onto institute
State in blackboard eraser main body, the bristle is foam-rubber cushion or hairy brush.
Further, the sweep-up pipe and the sparge pipe are fixed together by frenulum, the sweep-up pipe and the spray
Water pipe is suspended on below the link.
Further, the sweep-up pipe and the water inlet pipe are rubber hose, and the water inlet pipe is transparent tube body.
Further, the hole for water spraying is molded in the blackboard eraser main body, is provided among the hole for water spraying cellular
Apopore.
The beneficial effects of the utility model are：Blackboard powder can be siphoned away, reduces injury of the chalk powder to human body, together
When blackboard surface can be cleaned with injection water, it is simple, convenient, and save manpower.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of blackboard eraser described in the utility model；
Fig. 2 is a kind of section of beam figure of blackboard eraser described in the utility model.
Description of reference numerals is as follows：
1st, upper moving cart；2nd, crossbeam；3rd, fixed seat；4th, link；5th, water inlet pipe；6th, hole for water spraying；7th, blackboard eraser main body；
8th, bristle；9th, air suction opening；10th, sweep-up pipe；11st, stopper slot；12nd, support bar；13rd, upper rail groove；14th, lower guideway groove；15th, under
Moving cart；16th, control button.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 2, a kind of blackboard eraser, including crossbeam 2, blackboard eraser main body 7, crossbeam 2 are provided at both ends with fixed seat
3, crossbeam 2 is provided with upper rail groove 13 above, moving cart 1 is provided with upper rail groove 13, crossbeam 2, which is provided below down, leads
Track slot 14, lower moving cart 15 is provided with lower guideway groove 14, the lower lower end of moving cart 15 is provided with link 4, upper moving cart 1
Front lower place is provided with support bar 12, and the bottom of support bar 12 is provided with blackboard eraser main body 7, and the medial surface of blackboard eraser main body 7 is provided with brush
Hair 8, the both sides of bristle 8 are provided with air suction opening 9, and the outside of air suction opening 9 is provided with hole for water spraying 6, and the upper end side of blackboard eraser main body 7 is provided with
The sweep-up pipe 10 being connected with air suction opening 9, the upper end opposite side of blackboard eraser main body 7 is provided with the water inlet pipe 5 being connected with hole for water spraying 6, black
The side of blackboard eraser main body 7 is provided with control button 16.
In said structure, sweep-up pipe 10 connects an extractor fan, and water inlet pipe 5 connects a water tank with water pump, it is necessary to use
During blackboard eraser, hold blackboard eraser main body 7 or so and move up and down, extractor fan is started by control button 16, from air suction opening 9
Chalk powder under caused suction brushes bristle 8 is siphoned away, it is necessary to when cleaning blackboard, starts water pump, current by control button 16
The cleaning completed on blackboard surface to blackboard is sprayed onto out of hole for water spraying 6.
Further, crossbeam 2 is fixed by screws in fixed seat 3, and fixed seat 3 is fixed on blackboard by expansion bolt
On the wall of side, support bar 12 is fixed by screws in below moving cart 1, and support bar 12 is extension type, support bar 12
Nested together and be made using the more piece hollow metal tube chain of rings, the side of support bar 12 is provided with stopper slot 11, blackboard eraser main body 7
It is fixed by screws in below support bar 12, bristle 8 is pasted onto in blackboard eraser main body 7, and bristle 8 is foam-rubber cushion or hairy brush,
Sweep-up pipe 10 and sparge pipe are fixed together by frenulum, and sweep-up pipe 10 and sparge pipe are suspended on below link 4, the He of sweep-up pipe 10
Water inlet pipe 5 is rubber hose, and water inlet pipe 5 is transparent tube body, and hole for water spraying 6 is molded in blackboard eraser main body, among hole for water spraying 6
It is provided with cellular apopore.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope
Defined by appended claims and its effect thing.
Claims (8)
- A kind of 1. blackboard eraser, it is characterised in that：Including crossbeam, blackboard eraser main body, the crossbeam is provided at both ends with fixed seat, described Upper rail groove is provided with above crossbeam, moving cart is provided with the upper rail groove, the crossbeam, which is provided below down, leads Track slot, lower moving cart is provided with the lower guideway groove, the lower moving cart lower end is provided with link, and the upper movement is small Support bar is provided with below Chinese herbaceous peony, the support bar bottom is provided with the blackboard eraser main body, the blackboard eraser main body medial surface Bristle is provided with, the bristle both sides are provided with air suction opening, hole for water spraying, the blackboard eraser main body are provided with the outside of the air suction opening Upper end side is provided with the sweep-up pipe being connected with the air suction opening, and the blackboard eraser main body upper end opposite side is provided with and the spray The connected water inlet pipe in water hole, the blackboard eraser body side are provided with control button.
- A kind of 2. blackboard eraser according to claim 1, it is characterised in that：The crossbeam is fixed by screws in the fixation On seat, the fixed seat is fixed on the wall above blackboard by expansion bolt.
- A kind of 3. blackboard eraser according to claim 1, it is characterised in that：The support bar is fixed by screws on described Below moving cart, the support bar is extension type.
- A kind of 4. blackboard eraser according to claim 1, it is characterised in that：The support bar is connected using more piece hollow metal tube Ring, which nests together, to be made, and the support bar side is provided with stopper slot.
- A kind of 5. blackboard eraser according to claim 1, it is characterised in that：The blackboard eraser main body is fixed by screws in institute State below support bar, the bristle is pasted onto in the blackboard eraser main body, and the bristle is foam-rubber cushion or hairy brush.
- A kind of 6. blackboard eraser according to claim 1, it is characterised in that：The sweep-up pipe and the sparge pipe pass through frenulum It is fixed together, the sweep-up pipe and the sparge pipe are suspended on below the link.
- A kind of 7. blackboard eraser according to claim 1, it is characterised in that：The sweep-up pipe and the water inlet pipe are rubber Flexible pipe, the water inlet pipe are transparent tube body.
- A kind of 8. blackboard eraser according to claim 1, it is characterised in that：The hole for water spraying is molded over the blackboard eraser main body On, cellular apopore is provided among the hole for water spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469830.8U CN207045012U (en) | 2017-04-30 | 2017-04-30 | A kind of blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469830.8U CN207045012U (en) | 2017-04-30 | 2017-04-30 | A kind of blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207045012U true CN207045012U (en) | 2018-02-27 |
Family
ID=61490090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469830.8U Expired - Fee Related CN207045012U (en) | 2017-04-30 | 2017-04-30 | A kind of blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207045012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407511A (en) * | 2018-05-24 | 2018-08-17 | 梁发杨 | A kind of automatic dust absorption environment-friendly dust-proof eraser |
| CN108447345A (en) * | 2018-03-21 | 2018-08-24 | 程秀英 | A kind of multifunction combined teaching aid convenient for adjusting |
-
2017
- 2017-04-30 CN CN201720469830.8U patent/CN207045012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447345A (en) * | 2018-03-21 | 2018-08-24 | 程秀英 | A kind of multifunction combined teaching aid convenient for adjusting |
| CN108407511A (en) * | 2018-05-24 | 2018-08-17 | 梁发杨 | A kind of automatic dust absorption environment-friendly dust-proof eraser |
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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 |
Granted publication date: 20180227 Termination date: 20190430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |