CN206614976U - Dust-sucking eraser - Google Patents
Dust-sucking eraser Download PDFInfo
- Publication number
- CN206614976U CN206614976U CN201720203708.6U CN201720203708U CN206614976U CN 206614976 U CN206614976 U CN 206614976U CN 201720203708 U CN201720203708 U CN 201720203708U CN 206614976 U CN206614976 U CN 206614976U
- Authority
- CN
- China
- Prior art keywords
- dust
- component
- electromagnetic induction
- blackboard eraser
- sucking
- 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 provides a kind of dust-sucking eraser that can effectively absorb and remove chalk dust.Dust-sucking eraser involved by the utility model, it is characterised in that including：Blackboard eraser body, inner hollow, an outside surface is as dust suction face provided with multiple with the internal air suction opening communicated and the wiping brush being laid in around air suction opening；Magnetic component, blackboard eraser body interior can be arranged on up or down, and surrounding and the inwall of blackboard eraser body fit, and positioned at the top of the installation region of wiping brush；Electromagnetic induction component, installed in blackboard eraser body interior, the lower section positioned at the installation region of wiping brush；Power supply component, for being powered for electromagnetic induction component；And switching member, it is connected between electromagnetic induction component and power supply component, wherein, in the case where switching member is unlocked, power supply component is powered to electromagnetic induction component, and the direction for the induced field that electromagnetic induction component is produced after being powered is opposite with the magnetic direction of magnetic component.
Description
Technical field
The utility model is related to office appliance field, and in particular to a kind of dust-catching board that can be wiped and absorb chalk dust
Wipe.
Background technology
Blackboard eraser is also referred to as blackboard eraser, is a kind of instrument for erasing chalk writing, and in school, application is very universal, is a kind of
Important realia, traditional blackboard eraser is generally the structure with bristle on one block of plate, is wiped using traditional blackboard and is wiping powder
During writing, it can produce and largely float skyborne chalk dust, user is susceptible to suffer from respiratory disease after sucking for a long time, to using
The healthy of person has great harmfulness, while the chalk dust of floating is also easily dropped on the body of user, influence makes
The mood of user.
Utility model content
The utility model is carried out to solve above-mentioned problem, it is therefore intended that removal can effectively be absorbed by providing one kind
The dust-sucking eraser of chalk dust.
The utility model to achieve these goals, employs following scheme：
The utility model provides a kind of dust-sucking eraser, it is characterised in that including：Blackboard eraser body, inner hollow, outside one
Individual surface is as dust suction face provided with multiple with the internal air suction opening communicated and the wiping brush being laid in around air suction opening；Magnetic structure
Part, blackboard eraser body interior can be arranged on up or down, and surrounding and the inwall of blackboard eraser body fit, and positioned at wiping brush
The top of installation region；Electromagnetic induction component, installed in blackboard eraser body interior, the lower section positioned at the installation region of wiping brush；For
Electric components, for being powered for electromagnetic induction component；And switching member, it is connected between electromagnetic induction component and power supply component,
Wherein, in the case where switching member is unlocked, power supply component is powered to electromagnetic induction component, and electromagnetic induction component is produced after being powered
The direction of raw induced field is opposite with the magnetic direction of magnetic component.
In the dust-sucking eraser involved by the utility model, it can also have the feature that：Magnetic component is permanent magnet,
Dust-sucking eraser also has installation spring, and one end of the installation spring is connected with the permanent magnet, and the other end is fixed on blackboard eraser sheet
The top in internal portion.
In the dust-sucking eraser involved by the utility model, also have the feature that：Electromagnetic induction component includes helical
Pipe and electromagnetic induction coil, solenoid are arranged on the bottom of blackboard eraser body interior, and electromagnetic induction coil is wound on the solenoid.
In the dust-sucking eraser involved by the utility model, can also have：Two limited blocks, are separately mounted to blackboard eraser sheet
The both sides in internal portion, and positioned between magnetic component and the installation region of wiping brush.
In the dust-sucking eraser involved by the utility model, it can also have the feature that：The bottom of blackboard eraser body is set
There is dust exhausting hole and removably cover the capping on the dust exhausting hole.
In the dust-sucking eraser involved by the utility model, can also have：Handle component, the bottom phase with blackboard eraser body
It is fixed, wherein, power supply component and switching member are all arranged on handle component.
In the dust-sucking eraser involved by the utility model, can also have：Locking knob, wherein, handle component includes
Hollow first order handle and second level handle, one end of second level handle is mutually fixed with the bottom of blackboard eraser body, and the other end is stretched
Enter in first order handle and be locked by locking knob.
In the dust-sucking eraser involved by the utility model, it can also have the feature that：First order handle is provided with
Anti-slip veins.
In the dust-sucking eraser involved by the utility model, it can also have the feature that：Power supply component is battery, the
One-level handle is provided with the battery case for installing battery.
In the dust-sucking eraser involved by the utility model, it can also have the feature that：Switching member is to press manually
Button switch.
The effect of utility model and effect
According to dust-sucking eraser of the present utility model, because magnetic component can be arranged on blackboard eraser body interior up or down,
Surrounding and the inwall of blackboard eraser body are fitted, and positioned at the top of the installation region of wiping brush, electromagnetic induction coil is arranged on
Blackboard eraser body interior, the lower section positioned at the installation region of wiping brush, in the case where switching member is unlocked, power supply component is to electricity
Magnetic induction coil is powered, and direction and the magnetic direction of magnetic component of the induced field produced after electromagnetic induction coil energization
On the contrary, so, the induced field of electromagnetic induction coil will apply a upward repulsive force to magnetic component, promote magnetic structure
Part is moved up, and the volume of the hollow parts in blackboard eraser body below magnetic component can become big, cause corresponding air pressure meeting
Reduction, makes air suction opening be formed about inside air-flow, and the chalk dust fallen by wiping brush brush is sent into blackboard eraser body by the air-flow
Inside, it is achieved thereby that carrying out effectively absorbing and collecting to chalk dust during chalk writing is wiped, it is to avoid chalk dust
The unfavorable health effect that floating is caused to people in atmosphere, protects the healthy purpose of people.
Brief description of the drawings
Fig. 1 is the structural representation for the dust-sucking eraser that the utility model is related to；
Fig. 2 is the upward view for the blackboard eraser body that the utility model is related to.
Embodiment
The dust-sucking eraser involved by the utility model is elaborated referring to the drawings.
<Embodiment>
As shown in figure 1, dust-sucking eraser 10 includes blackboard eraser body 11, installed with spring 12, magnetic component 13, two limited blocks
14th, electromagnetic induction component 15, power supply component (not shown), switching member 16, handle component 17 and locking knob 18.
Blackboard eraser body 11 is upright vertical flat rectangular body shape, and six sides are closed, inner hollow, outside one
Surface is provided with multiple air suction opening 11a and wiping brush 11b as dust suction face, the dust suction face.Air suction opening 11a is circular and and plate
Wipe and communicated inside body 11.In the present embodiment, four row's air suction opening 11a are provided with altogether at the middle part in dust suction face.The uniform cloth of wiping brush 11b
On the dust suction face of being located at around air suction opening 11a.The top of blackboard eraser body 11 is provided with venthole (not shown).
As shown in Fig. 2 the bottom of blackboard eraser body 11 is additionally provided with dust exhausting hole 11c and capping (not shown), dust exhausting hole 11c
Chalk dust for will be collected in blackboard eraser body 11 is discharged；When needing to absorb and collecting chalk dust, capping is covered in the row
On the 11c of dirt hole, when needing discharge chalk dust, capping is detached dust exhausting hole 11c.
Install and be connected with the upper end of spring 12 with the magnetic component 13, lower end is fixed in the inner tip of blackboard eraser body 11
At heart position.
The upper surface center of magnetic component 13 is fixedly linked with installation spring 12, by installation spring 12 can on
Under removably mount within inside blackboard eraser body 11, in the present embodiment, magnetic component 13 is permanent magnet, and the magnetic pole of its top half is
S poles, the magnetic pole of the latter half is N poles, is horizontally set on inside blackboard eraser body 11, and positioned at the installation region of wiping brush
Top, the vertical side of its four with four vertical medial surfaces of blackboard eraser body 11 are corresponding respectively fits.
Two limited blocks 14 are separately mounted to the both sides inside blackboard eraser body 11, and positioned at magnetic component 13 and wiping brush
Between 11b installation regions, the lower moving area for limiting magnetic component 13, it is ensured that magnetic component 13 is always positioned at wiping brush
On 11b installation regions.
Electromagnetic induction component 15 includes solenoid 15a and electromagnetic induction coil 15b.Solenoid 15a bottom is fixed on plate
Wipe on the bottom center position in body 11, and in the hollow cylindrical of top surface opening.Electromagnetic induction coil 15b, which is located at, to be wiped
The lower section of 11b installation regions is brushed, is spirally wrapped around on solenoid 15a outside curve wall.In the present embodiment, electromagnetic induction
Coil 15a is copper conductor, and it is coated with insulating covering.
Power supply component is used to be powered for electromagnetic induction coil 15b, and in the present embodiment, power supply component is battery.
Switching member 16 is connected between electromagnetic induction coil 15b and power supply component, in the present embodiment, and switching member 16 is
Manual push button switch.In the case where switching member 16 is unlocked, it is conducted between power supply component and electromagnetic induction coil 15b,
Power supply component can power to electromagnetic induction coil 15b；In the case of switching member 16 is pent, power supply component and electromagnetism sense
Answer and be not turned between coil 15b, power supply component can not power to electromagnetic induction coil 15b.
In the present embodiment, the magnetic pole that top is produced after electromagnetic induction coil 15b is powered is N poles, and bottom is S poles.I.e., electromagnetism
The direction for the induced field that induction coil 15b is produced after being powered is opposite with the magnetic direction of magnetic component 13.
The bottom of handle component 17 and blackboard eraser body 11 is mutually fixed, and it includes first order handle 171 and second level handle
172。
First order handle 171 is used to allow user to be gripped, and is hollow structure, and is provided with battery case 171a and anti-skidding
Line 171b.Battery case 171a is used to install battery.Anti-slip veins 171b is used to increase frictional force when user grips, anti-on-slip
It is dynamic.In addition, switching member 16 is also mounted on first order handle 171, positioned at anti-slip veins 171b top.
In the present embodiment, electromagnetic induction coil 15b two ends by wire and battery case 171a and switching member 16 according to
Secondary series connection forms loop.
The upper end of second level handle 172 and the bottom of blackboard eraser body 11 are mutually fixed, and lower end is stretched into first order handle 171,
It can be slided up and down along the inwall of first order handle 171.
Locking knob 17 is arranged on the top of first order handle 171, for by first order handle 171 and second level handle
172 are mutually locked.
As shown in figure 1, by inside blackboard eraser body 11：The space of magnetic component more than 13 is designated as the first noumenon space Z1, magnetic
Property component 13 and electromagnetic induction component 15 between space be designated as the second body plenum Z2, the space where electromagnetic induction component 15
It is designated as the 3rd body plenum Z3.
In the present embodiment, when user needs to use dust-sucking eraser 10, the anti-slip veins on first handle 171 can be held
At 171b positions, wiping brush 11b is wiped back and forth against chalk writing, and can be by unscrewing the locking in first-hand shank
Knob 18, adjustment is exposed at the length of the second handle 172 outside first handle 171, high positioned at blackboard so as to easily wipe
The chalk writing at place.
In wiping process, user can open the switching member 16 on first handle 171, and now power supply component is to electricity
Magnetic induction coil 15b powers, according to electromagnetic induction principle, and electromagnetic induction coil 15b top produces N poles magnetic pole, due to first
The downward magnetic pole that magnetic component 13 is produced in body plenum Z1 is N poles, the principle mutually repelled according to magnetic pole heteropole, magnetic component
13 can be moved up along the first noumenon space Z1, and the gas in the Z1 of the first noumenon space is discharged from venthole, accordingly, magnetic structure
Second body plenum Z2 of the lower section of part 13 volume can become big, cause air pressure to reduce so that be located at dust suction on blackboard eraser body 11
Chalk dust near the 11a of hole can be sucked in the second body plenum Z2 by air suction opening, and because Action of Gravity Field eventually voluntarily falls
Fall and be gathered in the 3rd body plenum Z3.
When stopping wiping, user can power off electromagnetic induction coil 15b, magnetic pole by closing switch component 16
Disappear, such magnetic component 13 just can move down reset in the presence of gravity and installation are with the tension force of spring 12.
When needing cleaning, user can open the capping of the bottom of blackboard eraser body 11, will accumulate in by dust exhausting hole 11c
Chalk dust discharge in 3rd body plenum Z3, and clean out, then cover beyond the Great Wall again in order to which next time reuses.
Above example is only the illustration done to technical solutions of the utility model.Involved by the utility model
Dust-sucking eraser is not merely defined in structure described in the embodiment above, but using claim limited range as
It is accurate.Any modification that the utility model one of ordinary skill in the art are made on the basis of the embodiment or supplement equivalent are replaced
Change, all in the claimed scope of the utility model.
Claims (10)
1. a kind of dust-sucking eraser, it is characterised in that including：
Blackboard eraser body, inner hollow, an outside surface is provided with multiple air suction openings communicated with the inside as dust suction face
And the wiping brush being laid in around the air suction opening；
Magnetic component, the blackboard eraser body interior can be arranged on up or down, surrounding and the inwall of the blackboard eraser body are affixed
Close, and positioned at the top of the installation region of the wiping brush；
Electromagnetic induction component, installed in the blackboard eraser body interior, the lower section positioned at the installation region of the wiping brush；
Power supply component, for being powered for the electromagnetic induction component；And
Switching member, is connected between the electromagnetic induction component and the power supply component,
Wherein, in the case where the switching member is unlocked, the power supply component is powered to the electromagnetic induction component,
The direction for the induced field that the electromagnetic induction component is produced after being powered is opposite with the magnetic direction of the magnetic component.
2. dust-sucking eraser according to claim 1, it is characterised in that：
Wherein, the magnetic component is permanent magnet,
The dust-sucking eraser also has installation spring, and one end of the installation spring is connected with the permanent magnet, and the other end is fixed
On the top of the blackboard eraser body interior.
3. dust-sucking eraser according to claim 1, it is characterised in that：
Wherein, the electromagnetic induction component includes solenoid and electromagnetic induction coil,
The solenoid is arranged on the bottom of the blackboard eraser body interior,
The electromagnetic induction coil is on the solenoid.
4. dust-sucking eraser according to claim 1, it is characterised in that also have：
Two limited blocks, are separately mounted to the both sides of the blackboard eraser body interior, and positioned at the magnetic component and the wiping
Between the installation region for wiping brush.
5. dust-sucking eraser according to claim 1, it is characterised in that：
Wherein, the bottom of the blackboard eraser body is provided with dust exhausting hole and removably covers the capping on the dust exhausting hole.
6. dust-sucking eraser according to claim 1, it is characterised in that also have：
Handle component, is mutually fixed with the bottom of the blackboard eraser body,
Wherein, the power supply component and the switching member are all arranged on the handle component.
7. dust-sucking eraser according to claim 6, it is characterised in that also have：
Locking knob,
Wherein, the handle component includes hollow first order handle and second level handle,
One end of second level handle and the bottom of blackboard eraser body are mutually fixed, and the other end is stretched into the first order handle and by institute
Locking knob is stated to be locked.
8. dust-sucking eraser according to claim 7, it is characterised in that：
Wherein, the first order handle is provided with anti-slip veins.
9. dust-sucking eraser according to claim 7, it is characterised in that：
Wherein, the power supply component is battery,
The first order handle is provided with the battery case for installing the battery.
10. dust-sucking eraser according to claim 1, it is characterised in that：
Wherein, the switching member is manual push button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203708.6U CN206614976U (en) | 2017-03-03 | 2017-03-03 | Dust-sucking eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203708.6U CN206614976U (en) | 2017-03-03 | 2017-03-03 | Dust-sucking eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206614976U true CN206614976U (en) | 2017-11-07 |
Family
ID=60231897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720203708.6U Expired - Fee Related CN206614976U (en) | 2017-03-03 | 2017-03-03 | Dust-sucking eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206614976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481216A (en) * | 2019-07-30 | 2019-11-22 | 吴鹏 | A kind of blackboard eraser of automatic absorbing dust |
-
2017
- 2017-03-03 CN CN201720203708.6U patent/CN206614976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481216A (en) * | 2019-07-30 | 2019-11-22 | 吴鹏 | A kind of blackboard eraser of automatic absorbing dust |
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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: 20171107 Termination date: 20190303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |