CN206067325U - A kind of modified model chalkboard eraser - Google Patents
A kind of modified model chalkboard eraser Download PDFInfo
- Publication number
- CN206067325U CN206067325U CN201620714865.9U CN201620714865U CN206067325U CN 206067325 U CN206067325 U CN 206067325U CN 201620714865 U CN201620714865 U CN 201620714865U CN 206067325 U CN206067325 U CN 206067325U
- Authority
- CN
- China
- Prior art keywords
- backboard
- mounting groove
- bristle
- chalkboard eraser
- modified model
- 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
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- Brushes (AREA)
Abstract
This utility model provides a kind of modified model chalkboard eraser, belongs to teaching aid field.It solves existing chalkboard eraser inconvenient problem with use.This modified model chalkboard eraser, including plinth, base bottom is provided with mounting groove, backboard is provided with mounting groove, backboard bottom surface is provided with bristle, adjustment hole is provided between mounting groove cell wall and base sidepiece, regulating block is embedded with adjustment hole, backboard side takes the form of inclined plane, regulating block adjusts side with the inclined plane shape fitted with backboard side, spring is provided between backboard and mounting groove bottom land, and spring pulls backboard, bristle is integrally located in mounting groove, and can be towards backboard side squeeze adjustments block, make regulation side promote backboard side, and make bristle stretch out mounting groove.This chalkboard eraser is easy to use, and bristle will not be made to expose impact work when placing.
Description
Technical field
This utility model belongs to teaching aid technical field, is related to a kind of modified model chalkboard eraser.
Background technology
Chalkboard eraser generally comprises base and is fixed on the bristle of base bottom, after teacher uses chalkboard eraser, in order to avoid brush
Chalk ash pollution lectern on hair, general bristle are placed upward, but are picked up chalkboard eraser again and easily adhered to chalk dust on hand, together
When also easily chalk dust is sticked on books, it is therefore necessary to be improved.
Utility model content
The purpose of this utility model is for the above-mentioned problems in the prior art, there is provided one kind can prevent chalk dust
Affect the modified model chalkboard eraser of work.
The purpose of this utility model can be realized by following technical proposal：A kind of modified model chalkboard eraser, including square base
Seat, it is characterised in that：Base bottom is provided with mounting groove, and backboard is provided with mounting groove, and backboard bottom surface is provided with bristle, mounting groove cell wall
Adjustment hole is provided between base sidepiece, regulating block on adjustment hole, is embedded with, backboard side takes the form of inclined plane, regulating block has and backboard
The inclined plane shape that side fits adjusts side, is provided with spring, and spring pulls backboard between described backboard and mounting groove bottom land,
Bristle is integrally located in mounting groove, and regulation side can be made to promote backboard side, and made towards backboard side squeeze adjustments block
Bristle stretches out mounting groove.
During use, towards backboard side squeeze adjustments block, make regulation side promote backboard side, and make bristle stretch out installation
Groove, you can remove chalk dust using bristle, unclamp regulating block afterwards, while spring pulls backboard, makes bristle be integrally located at installation
In groove, no matter therefore pedestal for placed forward or backwards, will not make bristle expose impact work.
In a kind of above-mentioned modified model chalkboard eraser, described mounting groove is square.
In a kind of above-mentioned modified model chalkboard eraser, described regulating block and adjustment hole hole wall are provided with the slide block for cooperating
And chute.
Therefore regulating block is avoided to drop out.
In a kind of above-mentioned modified model chalkboard eraser, rubber blanket on the outside of regulating block, is provided with.
In a kind of above-mentioned modified model chalkboard eraser, described regulation side and backboard side are coated with lubricious.
Compared with prior art, this utility model has the advantage that：
During use, towards backboard side squeeze adjustments block, make regulation side promote backboard side, and make bristle stretch out installation
Groove, you can remove chalk dust using bristle, unclamp regulating block afterwards, while spring pulls backboard, makes bristle be integrally located at installation
In groove, no matter therefore pedestal for placed forward or backwards, will not make bristle expose impact work.
Description of the drawings
Fig. 1 and Fig. 2 are two kinds of use state sectional views of this chalkboard eraser respectively.
In figure,
1st, base；11st, mounting groove；12nd, adjustment hole；13rd, spring；14th, chute；
2nd, backboard；21st, bristle；
3rd, regulating block；31st, slide block.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, further is made to the technical solution of the utility model
Description, but this utility model is not limited to these embodiments.
As depicted in figs. 1 and 2, a kind of modified model chalkboard eraser of this utility model, including plinth 1,1 bottom of base are provided with
Mounting groove 11, is provided with backboard 2 in mounting groove 11, and 2 bottom surface of backboard is provided with bristle 21, between 1 sidepiece of 11 cell wall of mounting groove and base
Be provided with adjustment hole 12, on adjustment hole 12, be embedded with regulating block 3,2 side of backboard takes the form of inclined plane, regulating block 3 with 2 side phase of backboard
The inclined plane shape of laminating adjusts side, is provided with spring 13, and spring 13 pulls backboard 2, makes brush between 11 bottom land of backboard 2 and mounting groove
Hair 21 is integrally located in mounting groove 11, and regulation side can be made to promote 2 side of backboard towards 2 side squeeze adjustments block 3 of backboard,
And make bristle 21 stretch out mounting groove 11.
Further, mounting groove 11 is square.Regulating block 3 and 12 hole wall of adjustment hole are provided with the slide block 31 and cunning for cooperating
Groove 14.Rubber blanket is provided with the outside of regulating block 3.Regulation side and 2 side of backboard are coated with lubricious.
During use, towards 2 side squeeze adjustments block 3 of backboard, make regulation side promote 2 side of backboard, and stretch bristle 21
Go out mounting groove 11, you can chalk dust is removed using bristle 21, unclamp regulating block 3 afterwards, while spring 13 pulls backboard 2, make brush
Hair 21 is integrally located in mounting groove 11, no matter therefore pedestal for placed 1 forward or backwards, will not make bristle 21 expose impact work
Make.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from it is of the present utility model spirit or surmount scope defined in appended claims.
Although more having used base 1, mounting groove 11, adjustment hole 12, spring 13, chute 14, backboard 2, bristle herein
21st, the term such as regulating block 3, slide block 31, but it is not precluded from the probability using other terms.It is used for the purpose of using these terms
Essence of the present utility model is described and explained more easily；Being construed as any additional restriction is all and this practicality
New spirit is contrary.
Claims (5)
1. a kind of modified model chalkboard eraser, including plinth (1), it is characterised in that：Base (1) bottom is provided with mounting groove (11),
Be provided with backboard (2) in mounting groove (11), backboard (2) bottom surface is provided with bristle (21), mounting groove (11) cell wall and base (1) sidepiece it
Between be provided with adjustment hole (12), regulating block (3) is embedded with adjustment hole (12), backboard (2) side takes the form of inclined plane, and regulating block (3) has
Side is adjusted with the inclined plane shape that backboard (2) side fits, between described backboard (2) and mounting groove (11) bottom land, spring is provided with
(13), and spring (13) pulls backboard (2), bristle (21) is made to be integrally located in mounting groove (11), and can be towards backboard (2) side
Squeeze adjustments block (3), makes regulation side promote backboard (2) side, and makes bristle (21) stretch out mounting groove (11).
2. a kind of modified model chalkboard eraser according to claim 1, it is characterised in that：Described mounting groove (11) is square.
3. a kind of modified model chalkboard eraser according to claim 1, it is characterised in that：Described regulating block (3) and adjustment hole
(12) hole wall is provided with the slide block (31) and chute (14) for cooperating.
4. a kind of modified model chalkboard eraser according to claim 1, it is characterised in that：Regulating block is provided with rubber blanket on the outside of (3).
5. a kind of modified model chalkboard eraser according to claim 1, it is characterised in that：Described regulation side and backboard (2)
Side is coated with lubricious.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620714865.9U CN206067325U (en) | 2016-06-26 | 2016-06-26 | A kind of modified model chalkboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620714865.9U CN206067325U (en) | 2016-06-26 | 2016-06-26 | A kind of modified model chalkboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206067325U true CN206067325U (en) | 2017-04-05 |
Family
ID=58424438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620714865.9U Expired - Fee Related CN206067325U (en) | 2016-06-26 | 2016-06-26 | A kind of modified model chalkboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206067325U (en) |
-
2016
- 2016-06-26 CN CN201620714865.9U patent/CN206067325U/en not_active Expired - Fee Related
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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: 20170405 Termination date: 20180626 |