CN207790121U - A kind of education and instruction blackboard eraser being convenient to clean - Google Patents
A kind of education and instruction blackboard eraser being convenient to clean Download PDFInfo
- Publication number
- CN207790121U CN207790121U CN201721584312.7U CN201721584312U CN207790121U CN 207790121 U CN207790121 U CN 207790121U CN 201721584312 U CN201721584312 U CN 201721584312U CN 207790121 U CN207790121 U CN 207790121U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- shell
- flannelette
- blackboard eraser
- wall
- 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 education and instruction blackboard erasers being convenient to clean, and are related to blackboard eraser technical field.The education and instruction blackboard eraser being convenient to clean, including shell, the inner wall both sides of the shell have been fixedly connected with ball bearing, the inner wall of ball bearing is fixedly connected with shaft, the surface of shaft is fixedly connected with rotating cylinder, and the surface of rotating cylinder is fixedly connected with flannelette, and the inner wall top and the inner wall bottom of shell of shell have been fixedly connected with hairbrush, the right side opening of shell is equipped with locating slot, and the right side opening of shaft is equipped with the first guide groove.The education and instruction blackboard eraser being convenient to clean, the dust on flannelette is cleared up by hairbrush, to the blackboard eraser of effective solution currently on the market, adsorbing powder dust is on flannelette, when clearing up the dust on flannelette, need to disassemble flannelette, then clear up flannelette, scale removal process is more troublesome, cause faculty's labor intensity increase the problem of.
Description
Technical field
The utility model is related to blackboard eraser technical field, specially a kind of education and instruction blackboard eraser being convenient to clean.
Background technology
Blackboard eraser is that tool is often used in classroom, blackboard is cleaned by blackboard eraser, in writing and next giving lessons
Hold.
Blackboard eraser currently on the market, after blackboard eraser cleans blackboard, adsorbing powder dust is on flannelette, on flannelette
It when dust is cleared up, needs to disassemble flannelette, then clear up flannelette, scale removal process is more troublesome, and causes to impart knowledge to students
Personnel labor intensity increases.
Utility model content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of education and instruction blackboard eraser being convenient to clean, solution
The blackboard eraser determined currently on the market, after blackboard eraser cleans blackboard, adsorbing powder dust is on flannelette, to the dust on flannelette
It when being cleared up, needs to disassemble flannelette, then clear up flannelette, scale removal process is more troublesome, and leads to faculty
The problem of labor intensity increases.
（Two）Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of education and instruction is with being convenient for
The blackboard eraser of cleaning, including shell, the inner wall both sides of the shell have been fixedly connected with ball bearing, the ball bearing it is interior
Wall is fixedly connected with shaft, and the surface of the shaft is fixedly connected with rotating cylinder, and the surface of the rotating cylinder is fixedly connected with flannelette, institute
It states the inner wall bottom at the top of the inner wall of shell with shell and has been fixedly connected with hairbrush, the right side opening of the shell is equipped with locating slot,
The right side opening of the shaft is equipped with the first guide groove, and spring, the bullet are fixedly connected on the left of the inner wall of first guide groove
The right end of spring is fixedly connected with supporting rod, and the right side of the supporting rod through shell and extends to inside locating slot, the support
Locating piece is fixedly connected on the right side of bar, the inner wall top and the inner wall bottom of the first guide groove of first guide groove open up
There is the second guide groove, the top left side of the supporting rod and the bottom left of supporting rod have been fixedly connected with guide pad, described to lead
To block and surface and the inner wall of the second guide groove be slidably connected, the back side of the shell is fixedly connected with adsorption plate, the suction
The back side of attached plate is fixedly connected with antiskid plate.
Preferably, hairbrush gap between the side of shaft and the surface of flannelette is one millimeter to ten millimeters.
Preferably, the surface diameter of the supporting rod and the surface diameter of spring are equal, and the surface of supporting rod and first
Gap is one millimeter to ten millimeters between the inner wall of guide groove.
Preferably, the adsorption plate is magnetic sheet.
Preferably, the antiskid plate is rubber slab, and the back side of antiskid plate is in striated.
Preferably, gap is one millimeter to ten millimeters between the inner wall of the locating slot and locating piece surface.
（Three）Advantageous effect
The utility model provides a kind of education and instruction blackboard eraser being convenient to clean.Has following advantageous effect：
（1）, the blackboard eraser that is convenient to clean of the education and instruction, pass through and ball bearing, shaft, rotating cylinder, hairbrush, first be set
Guide groove, spring, supporting rod and locating piece pull locating piece, make locating piece when needing to clear up the dust on flannelette
It removes inside locating slot, rotating locating blocks, shaft rotation is driven by guide pad, the surface on the surface and hairbrush that make flannelette generates
Dust on flannelette is cleared up by hairbrush, need not disassemble flannelette by sliding friction, can be on flannelette
Dust is cleared up, and to the blackboard eraser of effective solution currently on the market, after blackboard eraser cleans blackboard, dust is inhaled
It is attached on flannelette, when clearing up the dust on flannelette, needs to disassemble flannelette, then clear up flannelette, clear up
Process is more troublesome, cause faculty's labor intensity increase the problem of.
（2）, the blackboard eraser that is convenient to clean of the education and instruction, by the way that the second guide groove is arranged, the second guide groove is to being oriented to
Block plays guiding and position-limiting action, when preventing faculty excessive to locating piece pulling force, leads to spring breaking down, makes spring without farad
Dynamic supporting rod returns to initial position, and by the way that locating slot is arranged, locating slot plays positioning action to locating piece, shaft is made to fix, and prevents
Rotation stop shaft rotation is dynamic, causes flannelette that can not be cleaned to blackboard, and by the way that adsorption plate is arranged, and adsorption plate is magnetic sheet, makes shell
It is adsorbed on blackboard, convenient for education personnel taking and placing to blackboard eraser, by the way that antiskid plate is arranged, antiskid plate is rubber slab,
And the back side of antiskid plate is in striated, so that surface of shell is had antiskid effect, prevents blackboard eraser from generating sliding in the hand, to just
Blackboard eraser is used in faculty.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the side view of the utility model structure；
Fig. 3 is the sectional view of the utility model structure.
In figure：1 shell, 2 ball bearings, 3 shafts, 4 rotating cylinders, 5 flannelettes, 6 hairbrush, 7 locating slots, 8 first guide grooves, 9 bullets
Spring, 10 supporting rods, 11 locating pieces, 12 second guide grooves, 13 guide pads, 14 adsorption plates, 15 antiskid plates.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment 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 education and instruction blackboard being convenient to clean
It wipes, including shell 1, the inner wall both sides of shell 1 have been fixedly connected with ball bearing 2, and 2 countershaft 3 of ball bearing plays support and makees
With the inner wall of ball bearing 2 is fixedly connected with shaft 3, and the surface of shaft 3 is fixedly connected with rotating cylinder 4, and the surface of rotating cylinder 4 is fixed
It is connected with flannelette 5, the inner wall top and the inner wall bottom of shell 1 of shell 1 have been fixedly connected with hairbrush 6, by the way that hairbrush 6 is arranged,
The surface of hairbrush 6 and the surface sliding friction of flannelette 5, make the dust on flannelette 5 clear up, and the right side opening of shell 1, which is equipped with, to be determined
Position slot 7, by the way that locating slot 7 is arranged, locating slot 7 plays positioning action to locating piece 11, so that shaft 3 is fixed, prevents 3 turns of shaft
It is dynamic, cause flannelette 5 that can not be cleaned to blackboard, the right side opening of shaft 3 is equipped with the first guide groove 8, the inner wall of the first guide groove 8
Left side is fixedly connected with spring 9, and spring 9 plays pulling function to supporting rod 10, and the right end of spring 9 is fixedly connected with supporting rod
10, the surface diameter of supporting rod 10 is equal with the surface diameter of spring 9, and the surface of supporting rod 10 and the first guide groove 8 is interior
Gap is one millimeter to ten millimeters between wall, and the right side of supporting rod 10 through shell 1 and extends to inside locating slot 7, supporting rod
10 right side is fixedly connected with locating piece 11, and gap is one millimeter to ten millis between 11 surface of inner wall and locating piece of locating slot 7
Rice, the inner wall top and the inner wall bottom of the first guide groove 8 of the first guide groove 8 offer the second guide groove 12, supporting rod 10
The bottom left of top left side and supporting rod 10 be fixedly connected with guide pad 13, guide pad 13 and surface be oriented to second
The inner wall of slot 12 is slidably connected, and by the way that the second guide groove 12 is arranged, the second guide groove 12 plays guiding and limit to guide pad 13
Effect when preventing faculty excessive to 11 pulling force of locating piece, causes spring 9 to damage, makes spring 9 that supporting rod 10 can not be pulled to return
It is fixedly connected with adsorption plate 14 to the back side of initial position, shell 1, adsorption plate 14 is magnetic sheet to be made by the way that adsorption plate 14 is arranged
Shell 1 is adsorbed on blackboard, and convenient for education personnel taking and placing to blackboard eraser, the back side of adsorption plate 14 is fixedly connected with anti-
Slide plate 15, antiskid plate 15 is rubber slab, and the back side of antiskid plate 15 is in striated, by setting antiskid plate 15, makes 1 surface of shell
With antiskid effect, prevent blackboard eraser from generating sliding in the hand, consequently facilitating faculty uses blackboard eraser.
The education and instruction blackboard eraser being convenient to clean makes locating piece 11 remove locating slot 7 in use, pulling locating piece 11
Inside, rotating locating blocks 11 drive shaft 3 to rotate by guide pad 13, and the surface for making flannelette 5 and the surface of hairbrush 6 generate cunning
Dynamic friction is cleared up the dust on flannelette 5 by hairbrush 6, after the completion of cleaning, unclamps locating piece 11, spring 9 pulls support
Bar 10 is moved to the left, and locating piece 11 is made to be stuck in inside locating slot 7.
In conclusion the blackboard eraser that is convenient to clean of the education and instruction, by be arranged ball bearing 2, shaft 3, rotating cylinder 4,
Hairbrush 6, the first guide groove 8, spring 9, supporting rod 10 and locating piece 11 are drawn when needing to clear up the dust on flannelette 5
Dynamic locating piece 11, makes locating piece 11 remove inside locating slot 7, rotating locating blocks 11, drives shaft 3 to rotate by guide pad 13,
The surface for making flannelette 5 and the surface of hairbrush 6 generate sliding friction, clear up the dust on flannelette 5 by hairbrush 6, are not required to
Flannelette 5 is disassembled, the dust on flannelette 5 can be cleared up, currently on the market to effective solution
Blackboard eraser, after blackboard eraser cleans blackboard, adsorbing powder dust is on flannelette 5, when clearing up the dust on flannelette 5, needs
Flannelette 5 is disassembled, then flannelette 5 is cleared up, scale removal process is more troublesome, and faculty's labor intensity is caused to increase
The problem of.
Also, by the way that the second guide groove 12 is arranged, the second guide groove 12 plays guiding and position-limiting action to guide pad 13, prevents
When only faculty is excessive to 11 pulling force of locating piece, causes spring 9 to damage, make spring 9 that supporting rod 10 can not be pulled to return to initially
Position, by the way that locating slot 7 is arranged, locating slot 7 plays positioning action to locating piece 11, and shaft 3 is made to fix, and prevents shaft 3 from rotating,
Cause flannelette 5 that can not be cleaned to blackboard, by the way that adsorption plate 14 is arranged, and adsorption plate 14 is magnetic sheet, and shell 1 is made to be adsorbed on
On blackboard, convenient for education personnel taking and placing to blackboard eraser, by the way that antiskid plate 15 is arranged, antiskid plate 15 is rubber slab, and
The back side of antiskid plate 15 is in striated, so that 1 surface of shell is had antiskid effect, prevents blackboard eraser from generating sliding in the hand, to
Blackboard eraser is used convenient for faculty.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of education and instruction blackboard eraser being convenient to clean, including shell（1）, it is characterised in that：The shell（1）Inner wall
Both sides have been fixedly connected with ball bearing（2）, the ball bearing（2）Inner wall be fixedly connected with shaft（3）, the shaft
（3）Surface be fixedly connected with rotating cylinder（4）, the rotating cylinder（4）Surface be fixedly connected with flannelette（5）, the shell（1）It is interior
Wall top and shell（1）Inner wall bottom be fixedly connected with hairbrush（6）, the shell（1）Right side opening be equipped with locating slot
（7）, the shaft（3）Right side opening be equipped with the first guide groove（8）, first guide groove（8）Inner wall on the left of be fixedly connected
There is spring（9）, the spring（9）Right end be fixedly connected with supporting rod（10）, the supporting rod（10）Right side run through shell
（1）And extend to locating slot（7）Inside, the supporting rod（10）Right side be fixedly connected with locating piece（11）, described first leads
To slot（8）Inner wall at the top of with the first guide groove（8）Inner wall bottom offer the second guide groove（12）, the supporting rod
（10）Top left side and supporting rod（10）Bottom left be fixedly connected with guide pad（13）, the guide pad（13）With
Surface and the second guide groove（12）Inner wall be slidably connected, the shell（1）The back side be fixedly connected with adsorption plate（14）, described
Adsorption plate（14）The back side be fixedly connected with antiskid plate（15）.
2. a kind of education and instruction blackboard eraser being convenient to clean according to claim 1, it is characterised in that：The hairbrush
（6）Close to shaft（3）Side and flannelette（5）Surface between gap be one millimeter to ten millimeters.
3. a kind of education and instruction blackboard eraser being convenient to clean according to claim 1, it is characterised in that：The supporting rod
（10）Surface diameter and spring（9）Surface diameter it is equal, and supporting rod（10）Surface and the first guide groove（8）Inner wall
Between gap be one millimeter to ten millimeters.
4. a kind of education and instruction blackboard eraser being convenient to clean according to claim 1, it is characterised in that：The adsorption plate
（14）For magnetic sheet.
5. a kind of education and instruction blackboard eraser being convenient to clean according to claim 1, it is characterised in that：The antiskid plate
（15）For rubber slab, and antiskid plate（15）The back side be in striated.
6. a kind of education and instruction blackboard eraser being convenient to clean according to claim 1, it is characterised in that：The locating slot
（7）Inner wall and locating piece（11）Gap is one millimeter to ten millimeters between surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584312.7U CN207790121U (en) | 2017-11-23 | 2017-11-23 | A kind of education and instruction blackboard eraser being convenient to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584312.7U CN207790121U (en) | 2017-11-23 | 2017-11-23 | A kind of education and instruction blackboard eraser being convenient to clean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207790121U true CN207790121U (en) | 2018-08-31 |
Family
ID=63284948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721584312.7U Expired - Fee Related CN207790121U (en) | 2017-11-23 | 2017-11-23 | A kind of education and instruction blackboard eraser being convenient to clean |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207790121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112493968A (en) * | 2020-11-26 | 2021-03-16 | 安徽友川刷业有限公司 | Brush convenient for replacing brush hair for shoe washing machine |
-
2017
- 2017-11-23 CN CN201721584312.7U patent/CN207790121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112493968A (en) * | 2020-11-26 | 2021-03-16 | 安徽友川刷业有限公司 | Brush convenient for replacing brush hair for shoe washing machine |
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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: 20180831 Termination date: 20191123 |