CN208664742U - A kind of Portable blackboard eraser - Google Patents
A kind of Portable blackboard eraser Download PDFInfo
- Publication number
- CN208664742U CN208664742U CN201821303460.1U CN201821303460U CN208664742U CN 208664742 U CN208664742 U CN 208664742U CN 201821303460 U CN201821303460 U CN 201821303460U CN 208664742 U CN208664742 U CN 208664742U
- Authority
- CN
- China
- Prior art keywords
- accommodating groove
- blackboard
- blackboard eraser
- fixedly connected
- admission extinguisher
- 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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- Drawing Aids And Blackboards (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model discloses a kind of Portable blackboard erasers, including main body, it further include cleaning device and limiting device, the main body includes cleaning cotton, the cleaning device includes accommodating groove, the accommodating groove is located at the outside of cleaning cotton, the two sides of the accommodating groove are provided with limited block, one side surface of two limited blocks is fixedly connected with three retention beads, spring is fixedly connected on the outside of one of retention bead, fixed block is provided at the top and bottom of the accommodating groove, the side of the fixed block is connected with adjusting bolt；Accommodating groove etc. is mounted with by design, convenient for quickly blackboard is cleaned, and accommodating groove inside clean cotton is conveniently replaceable and cleans, solves existing blackboard eraser, a part needs the long period when clearing up blackboard, another part is due to being not provided with the devices such as accommodating groove because area is smaller, so that the cleaning cotton inside blackboard eraser is not easy to replace, for a long time using the problem for causing cleaning effect bad.
Description
Technical field
The utility model belongs to blackboard eraser technical field, and in particular to a kind of Portable blackboard eraser.
Background technique
What blackboard eraser was generally done using the article of flannelette sponge etc, during using blackboard eraser, flannelette and blackboard are sent out
Raw friction, to erase the chalk dust being retained on blackboard, also just plays the role of erasing the board.
Existing blackboard eraser, a part need the long period when clearing up blackboard, another part is not due to having because area is smaller
There are the setting devices such as accommodating groove, so that the cleaning cotton inside blackboard eraser is not easy to replace, for a long time using leading to cleaning effect not
Good problem, and existing part blackboard eraser, due to filling roller design using item, although accelerating cleaning speed, if nothing
Accommodating groove is involved between meaning, then accommodating groove can be made to be subjected to displacement, so that the problem of student takes sb's mind off sth, thus it is proposed that one
Kind Portable blackboard eraser.
Utility model content
The purpose of this utility model is to provide a kind of Portable blackboard erasers, existing to solve to propose in above-mentioned background technique
Blackboard eraser, a part because area it is smaller, clear up blackboard when need the long period, another part is due to being not provided with accommodating groove
Equal devices, so that the cleaning cotton inside blackboard eraser is not easy to replace, for a long time using the problem for causing cleaning effect bad, and it is existing
Some part blackboard erasers, due to filling roller design using item, although accelerating cleaning speed, if involving storage unintentionally
Slot can then be such that accommodating groove is subjected to displacement, so that the problem of student takes sb's mind off sth.
To achieve the above object, the utility model provides the following technical solutions: a kind of Portable blackboard eraser, including main body,
It further include cleaning device and limiting device, the main body includes cleaning cotton, and the cleaning device includes accommodating groove, the accommodating groove
Positioned at the outside of cleaning cotton, the two sides of the accommodating groove are provided with limited block, and a side surface of two limited blocks is fixed
Connection is fixedly connected with spring, the top and bottom of the accommodating groove on the outside of one of retention bead there are three retention bead
Portion is provided with fixed block, and the side of the fixed block is connected with adjusting bolt, is fixedly connected with and prolongs on the inside of the fixed block
Long slab.
Preferably, the limiting device includes admission extinguisher and buckle, and the admission extinguisher is located at the side of accommodating groove, the receipts
It receives to be connected together on the inside of cylinder and has roller bearing, the surface of the roller bearing is fixedly connected with cloth, and the side of the cloth is fixedly connected
There is fixed link, the two sides of the roller bearing, which are connected together, the first torsional spring, and the outer surface of the admission extinguisher is fixedly connected with handle
Hand.
Preferably, the side of the accommodating groove is provided with blackboard, and the top and bottom of the blackboard offer sliding slot,
And the fixed block is slidably connected by pulley and blackboard.
Preferably, the surface of the adjusting bolt and handle is provided with anti-skid chequer, and opens up at the top of the extension plate
There is limit hole, the adjusting bolt is mutually clamped corresponding with limit hole.
Preferably, the roller bearing is rotatablely connected by the first torsional spring and admission extinguisher, and the admission extinguisher and roller bearing and cloth
It is mutually closely connected with the first torsional spring.
Compared with prior art, the utility model has the beneficial effects that being mounted with the receipts positioned at blackboard side by design
Receive slot etc., convenient for quickly cleaning blackboard, and accommodating groove inside clean cotton is conveniently replaceable and cleans, and solves existing blackboard
It wipes, a part needs the long period when clearing up blackboard because area is smaller, and another part is due to being not provided with the dress such as accommodating groove
It sets, so that the cleaning cotton inside blackboard eraser is not easy to replace, for a long time using the problem for causing cleaning effect bad；Pass through design
It is mounted with the admission extinguisher positioned at accommodating groove side, convenient for accommodating groove to be fixed on to the side of blackboard, prevents teacher in teaching, receive
Slot is received because extraneous factor is subjected to displacement, solves existing part blackboard eraser, due to filling roller design using item, although accelerating
Clear up speed, if but involve accommodating groove unintentionally, accommodating groove can be made to be subjected to displacement, be asked so that student is distractive
Topic.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model blackboard eraser；
Fig. 2 is the vertical section cross-sectional view of the utility model accommodating groove；
Fig. 3 is the enlarged structure schematic diagram of the utility model spring；
Fig. 4 is the cross section view of the utility model fixed block；
Fig. 5 is the vertical section cross-sectional view of the utility model admission extinguisher；
Fig. 6 is the accommodating groove vertical section cross-sectional view of the utility model embodiment two；
Fig. 7 is the enlarged structure schematic diagram of the spring of the utility model embodiment two；
In figure: 1, blackboard；2, fixed block；3, admission extinguisher；4, limited block；5, the second torsional spring；6, handle；7, accommodating groove；8,
Adjust bolt；9, cleaning cotton；10, spring；11, retention bead；12, extension plate；13, the first torsional spring；14, cloth；15, roller bearing；
16, fixed link；17, it buckles；18, fixing clamp.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1-Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of Portable blackboard eraser, including main body, also
Including cleaning device and limiting device, main body includes cleaning cotton 9, and cleaning device includes accommodating groove 7, and accommodating groove 7 is located at cleaning cotton 9
Outside, the two sides of accommodating groove 7 are provided with limited block 4, and there are three limits for the side surface integral type connection of two limited blocks 4
Protrusion 11, the outside of one of retention bead 11, which is connected together, spring 10, and the top and bottom of accommodating groove 7 are provided with solid
Determine block 2, the side of fixed block 2, which is threadably secured to be connected with, adjusts bolt 8, and the inside of fixed block 2 is fixedly connected with extension plate
12, when using blackboard eraser, directly holds handle 6 and then horizontally slip, the cleaning cotton 9 in accommodating groove 7 can be by the plate on blackboard 1
Book cleaning, for a long time using needing to replace cleaning cotton 9 when, the limited block 4 of two sides is pulled to two sides, spring 10 starts to receive
Cleaning cotton 9 can be removed and be replaced until retention bead 11 is disengaged with cleaning cotton 9 by contracting, convenient for quickly by blackboard 1
Cleaning, and 7 inside clean cotton 9 of accommodating groove is conveniently replaceable and cleans, and solves existing blackboard eraser, a part because area compared with
It is small, the long period is needed when clearing up blackboard 1, another part is due to being not provided with the devices such as accommodating groove 7, so that inside blackboard eraser
Cleaning cotton 9 is not easy to replace, for a long time using the problem for causing cleaning effect bad.
For the ease of guaranteeing the normal use of limiting device, in the present embodiment, it is preferred that limiting device includes admission extinguisher 3
With buckle 17, admission extinguisher 3 is located at the side of accommodating groove 7, and the inside of admission extinguisher 3, which is connected together, roller bearing 15, the surface of roller bearing 15
It is fixedly connected with cloth 14, the side of cloth 14 is fixedly connected with fixed link 16, and the two sides of roller bearing 15 are connected together and have first
Torsional spring 13, and the outer surface of admission extinguisher 3 is fixedly connected with handle 6, and when not using blackboard eraser, accommodating groove 7 is slid into buckle 17
Then side pulls on fixed link 16 and extracts cloth 14 out, the first torsional spring 13 starts to shrink deformation, then by fixed link 16 with
17 engaging of buckle, can be fixed by accommodating groove 7, when using blackboard eraser, pulls fixed link 16 up to disengaging with buckle 17, the
One torsional spring 13 starts revolution and restores deformation, can cloth 14 be stored and be used, convenient for accommodating groove 7 is fixed on the one of blackboard 1
Side prevents teacher in teaching, and accommodating groove 7 solves existing part blackboard eraser because extraneous factor is subjected to displacement, due to using
Item fills roller design, although accelerating cleaning speed, if involving accommodating groove 7 unintentionally, can make accommodating groove 7 that position occur
It moves, so that the problem of student takes sb's mind off sth.
For the ease of guaranteeing the normal use of accommodating groove 7, in the present embodiment, it is preferred that the side of accommodating groove 7 is provided with black
Plate 1, the top and bottom of blackboard 1 offer sliding slot, and fixed block 2 is slidably connected by pulley with blackboard 1.
Bolt 8 and handle 6 are adjusted for the ease of preferably using, in the present embodiment, it is preferred that adjust bolt 8 and handle 6
Surface be provided with anti-skid chequer, and the top of extension plate 12 offers limit hole, adjusts bolt 8 and limit hole is mutually clamped pair
It answers.
For the ease of promoting the compactness of admission extinguisher 3, in the present embodiment, it is preferred that roller bearing 15 by the first torsional spring 13 with
Admission extinguisher 3 is rotatablely connected, and admission extinguisher 3 and roller bearing 15 and cloth 14 and the mutually close connection of the first torsional spring 13.
Embodiment 2
Refering to fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the utility model provide a kind of technical solution: a kind of Portable blackboard eraser,
It further include cleaning device and limiting device including main body, main body includes cleaning cotton 9, and cleaning device includes accommodating groove 7, accommodating groove 7
Positioned at the outside of cleaning cotton 9, the two sides of accommodating groove 7 are provided with fixing clamp 18, and is provided between fixing clamp 18 and accommodating groove 7
Two torsional springs 5, there are two retention bead 11, the top and bottom of accommodating groove 7 for the side surface integral type connection of two fixing clamps 18
It is provided with fixed block 2, the side of fixed block 2, which is threadably secured to be connected with, adjusts bolt 8, and the inside of fixed block 2 is fixed to be connected
It is connected to extension plate 12, when using blackboard eraser, handle 6 is directly held and then horizontally slips, the cleaning cotton 9 in accommodating groove 7 can incite somebody to action
On blackboard 1 writing on the blackboard cleaning, for a long time using need by cleaning cotton 9 replace when, by the fixing clamp 18 of two sides to two sides pull, directly
It is disengaged to retention bead 11 and cleaning cotton 9, can cleaning cotton 9 be removed and be replaced, convenient for quickly blackboard 1 is cleaned,
And 7 inside clean cotton 9 of accommodating groove is conveniently replaceable and cleans, and solves existing blackboard eraser, a part is because area is smaller, cleaning
The long period is needed when blackboard 1, another part is due to being not provided with the devices such as accommodating groove 7, so that the cleaning cotton 9 inside blackboard eraser
It is not easy to replace, for a long time using the problem for causing cleaning effect bad.
For the ease of guaranteeing the normal use of limiting device, in the present embodiment, it is preferred that limiting device includes admission extinguisher 3
With buckle 17, admission extinguisher 3 is located at the side of accommodating groove 7, and the inside of admission extinguisher 3, which is connected together, roller bearing 15, the surface of roller bearing 15
It is fixedly connected with cloth 14, the side of cloth 14 is fixedly connected with fixed link 16, and the two sides of roller bearing 15 are connected together and have first
Torsional spring 13, and the outer surface of admission extinguisher 3 is fixedly connected with handle 6, and when not using blackboard eraser, accommodating groove 7 is slid into buckle 17
Then side pulls on fixed link 16 and extracts cloth 14 out, the first torsional spring 13 starts to shrink deformation, then by fixed link 16 with
17 engaging of buckle, can be fixed by accommodating groove 7, when using blackboard eraser, pulls fixed link 16 up to disengaging with buckle 17, the
One torsional spring 13 starts revolution and restores deformation, can cloth 14 be stored and be used, convenient for accommodating groove 7 is fixed on the one of blackboard 1
Side prevents teacher in teaching, and accommodating groove 7 solves existing part blackboard eraser because extraneous factor is subjected to displacement, due to using
Item fills roller design, although accelerating cleaning speed, if involving accommodating groove 7 unintentionally, can make accommodating groove 7 that position occur
It moves, so that the problem of student takes sb's mind off sth.
For the ease of guaranteeing the normal use of accommodating groove 7, in the present embodiment, it is preferred that the side of accommodating groove 7 is provided with black
Plate 1, the top and bottom of blackboard 1 offer sliding slot, and fixed block 2 is slidably connected by pulley with blackboard 1.
Bolt 8 and handle 6 are adjusted for the ease of preferably using, in the present embodiment, it is preferred that adjust bolt 8 and handle 6
Surface be provided with anti-skid chequer, and the top of extension plate 12 offers limit hole, adjusts bolt 8 and limit hole is mutually clamped pair
It answers.
For the ease of promoting the compactness of admission extinguisher 3, in the present embodiment, it is preferred that roller bearing 15 by the first torsional spring 13 with
Admission extinguisher 3 is rotatablely connected, and admission extinguisher 3 and roller bearing 15 and cloth 14 and the mutually close connection of the first torsional spring 13.
The working principle and process for using of the utility model:
When using blackboard eraser, directly holds handle 6 and then horizontally slip, the cleaning cotton 9 in accommodating groove 7 can be by blackboard 1
On writing on the blackboard cleaning, for a long time using need by cleaning cotton 9 replace when, by the fixing clamp 18 of two sides to two sides pull, can will
Cleaning cotton 9 is removed and is replaced, and when not using blackboard eraser, is pulled on fixed link 16 and is extracted cloth 14 out, then by fixed link 16
Engage with buckle 17, it can be fixed by accommodating groove 7.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Portable blackboard eraser, including main body, it is characterised in that: further include cleaning device and limiting device, the main body
Including cleaning cotton (9), the cleaning device includes accommodating groove (7), and the accommodating groove (7) is located at the outside of cleaning cotton (9), described
The two sides of accommodating groove (7) are provided with limited block (4), and a side surface of two limited blocks (4) is fixedly connected with three limits
Position is raised (11), is fixedly connected with spring (10) on the outside of one of retention bead (11), the top of the accommodating groove (7) and
Bottom is provided with fixed block (2), the side of the fixed block (2) be connected with adjust bolt (8), the fixed block (2) it is interior
Side is fixedly connected with extension plate (12).
2. a kind of Portable blackboard eraser according to claim 1, it is characterised in that: the limiting device includes admission extinguisher
(3) and buckle (17), the admission extinguisher (3) are located at the side of accommodating groove (7), and being connected together on the inside of the admission extinguisher (3) has
The surface of roller bearing (15), the roller bearing (15) is fixedly connected with cloth (14), and the side of the cloth (14) is fixedly connected with
Fixed pole (16), the two sides of the roller bearing (15) are connected together and have the first torsional spring (13), and the outer surface of the admission extinguisher (3) is solid
Surely handle (6) are connected with.
3. a kind of Portable blackboard eraser according to claim 1, it is characterised in that: the side of the accommodating groove (7) is arranged
Have blackboard (1), the top and bottom of the blackboard (1) offer sliding slot, and the fixed block (2) passes through pulley and blackboard
(1) it is slidably connected.
4. a kind of Portable blackboard eraser according to claim 1, it is characterised in that: the adjusting bolt (8) and handle (6)
Surface be provided with anti-skid chequer, and limit hole is offered at the top of the extension plate (12), the adjusting bolt (8) and limit
Hole is mutually clamped correspondence.
5. a kind of Portable blackboard eraser according to claim 2, it is characterised in that: the roller bearing (15) passes through the first torsional spring
(13) it is rotatablely connected with admission extinguisher (3), and the admission extinguisher (3) and roller bearing (15) and cloth (14) and the first torsional spring (13) are mutual
Close connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821303460.1U CN208664742U (en) | 2018-08-14 | 2018-08-14 | A kind of Portable blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821303460.1U CN208664742U (en) | 2018-08-14 | 2018-08-14 | A kind of Portable blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208664742U true CN208664742U (en) | 2019-03-29 |
Family
ID=65836894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821303460.1U Expired - Fee Related CN208664742U (en) | 2018-08-14 | 2018-08-14 | A kind of Portable blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208664742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910818A (en) * | 2021-11-09 | 2022-01-11 | 刘日招 | Teaching is with quick clean formula blackboard |
-
2018
- 2018-08-14 CN CN201821303460.1U patent/CN208664742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910818A (en) * | 2021-11-09 | 2022-01-11 | 刘日招 | Teaching is with quick clean formula blackboard |
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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: 20190329 Termination date: 20200814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |