CN105034663A - Energy storage type chalk eraser - Google Patents
Energy storage type chalk eraser Download PDFInfo
- Publication number
- CN105034663A CN105034663A CN201510406412.XA CN201510406412A CN105034663A CN 105034663 A CN105034663 A CN 105034663A CN 201510406412 A CN201510406412 A CN 201510406412A CN 105034663 A CN105034663 A CN 105034663A
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- China
- Prior art keywords
- clockwork spring
- drive
- ratchet
- powder
- filter
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- Filtering Of Dispersed Particles In Gases (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention provides an energy storage type chalk eraser. One or more long-strip-shaped erasing trips are arranged on the outer wall of a bottom plate of a shell, the shell is of a hollow structure, and multiple suction holes which are communicated with an inner hole of the shell are formed in the bottom plate and surround the erasing strips correspondingly; a cylindrical and hollow chalk powder cylinder is arranged inside the shell, the end, facing downward, of the chalk power cylinder is provided with an opening, an equipment hole corresponding to the opening of the chalk powder cylinder is formed in a short side plate, facing downward, of the shell, a partition plate which is parallel to the bottom plate is arranged on the outer wall of the chalk powder cylinder, before use, a spring is wound up, so that energy is stored in the spring, when a blackboard is cleaned, the energy is released by pressing down a button, a fan blade is driven to rotate, dust can be collected, after being filtered through a filter, the suctioned chalk powder is reserved in a powder collecting box, and the environment can be prevented from being polluted by the chalk powder effectively.
Description
Technical field
The present invention relates to the energy storage type chalkboard eraser that automatically can suck chalk dust that a kind of teacher uses in teaching process, belong to the optimisation technique of chalkboard eraser.
Background technology
In the process erased the board, the chalk dust that chalkboard eraser has been wiped often flies upward everywhere, contaminated environment, increase the difficulty of cleaning, and, even if the personnel erased the board make great efforts to hold the breath to prevent from sucking chalk dust in wiping process, still unavoidably can suck some chalk dusts, bring hidden danger to health.
Therefore, need to find a kind of chalkboard eraser that chalk dust can be avoided to fly upward everywhere.
Summary of the invention
The object of the invention is: a kind of chalkboard eraser that automatically can suck chalk dust is provided.
Technical scheme of the present invention is: a kind of energy storage type chalkboard eraser, is provided with the strip rub piece 12 of one or more, shell hollow at base plate 11 outer wall of shell 1, arranges multiple suction hole 13 communicated with shell endoporus round rub piece on base plate; Be provided with the powder cylinder 2 of cylindrical hollow in the enclosure, powder cylinder one end open down, shell short side plate down arranges the equipment opening 14 corresponding with the opening of powder cylinder, one piece of demarcation strip 3 parallel with base plate 11 is provided with along powder drum outer wall, make a part for powder cylinder between demarcation strip and base plate, edge along demarcation strip 3 is provided with towards the outstanding surrounding edge of base plate, and the surrounding edge of demarcation strip surrounding is pressed on the base plate of shell, makes the suction hole 13 on base plate be arranged in surrounding edge endoporus; Powder barrel between demarcation strip and base plate arranges multiple suction powder hole, enables chalk dust enter powder cylinder by suction hole, suction powder hole successively; Base plate outside the surrounding edge being positioned at demarcation strip is arranged multiple venthole 15; Described the chalkboard eraser of automatic dust absorption can also comprise collection powder storehouse 4, filter 5 and booster 6; The described collection powder storehouse one end open other end is closed, and is provided with the back-up block of two or more to the symmetric arrays of inner process at the inwall of Ji Fencang near openend; Filter is the hollow cylindrical that one end open is closed in one end, and the openend of filter is tapered, and the external diameter of the vertex of a cone is identical with the internal diameter of powder cylinder, and both form tight fit, and the diameter of the hollow cylindrical part of filter is less than the diameter of bore of powder cylinder; Filter is inserted Ji Fencang from the openend of Ji Fencang, the blind end of filter is made to be against on back-up block, the major part of filter is positioned at outside Ji Fencang, the filter be nested together and Ji Fencang are inserted in powder cylinder from the equipment opening of powder cylinder, the vertex of a cone of filter port end is made to compress powder cylinder inwall, both form tight fit, make, in the space of suction powder hole between filter and powder cylinder, to flow to booster after making the air-flow entering powder cylinder have to pass through the filtration of filter 5 from its openend; Described booster 6 mainly comprises clockwork spring dish 61, clockwork spring 62, drive 63, driven pulley 64, first bevel gear 65, second bevel gear 66, ratchet 67, control lever 68, holder 69 and fan blade; Clockwork spring dish is placed in powder drum outer wall by clockwork spring dish axle, and clockwork spring dish can rotate around clockwork spring dish axle under the effect of external force; Be provided with near the sidewall of blind end the holder 69 that the blind end that protrudes from powder cylinder extends to shell at powder cylinder, described holder one end is provided with drive axis hole, and the other end is provided with driven pulley axis hole; Described power axle one end is placed in drive axis hole, the other end is provided with the counterbore matched with the instrument of upper law caved inward, driving wheel tube is on power axle, and position corresponding with power axle on shell is provided with through hole, enables the instrument of law insert counterbore; Follower shaft is through the driven pulley axis hole on holder, and one end is connected with driven pulley, and the other end is connected with the first bevel gear 65; Second bevel gear engages with the first bevel gear, and the second shaft of bevel gear enters in powder cylinder through the blind end of powder cylinder and is connected with fan blade; Ratchet is arranged on the pawl axis on holder; Clockwork spring is placed in clockwork spring dish round clockwork spring dish axle, and one end of clockwork spring is fixed on clockwork spring dish axle, and the other end is fixed on clockwork spring dish inwall; Drive is divided into two-stage, and the outer wall away from the one-level of holder engages with the outer wall of clockwork spring dish, and the one-level near holder is provided with ratchet, and the ratchet be meshed with ratchet is connected with the button on shell by control lever; Push button, control lever promotes ratchet, makes ratchet be rotated away from ratchet on drive along pawl axis, drive is freely rotated; Decontrol button, while button resets, pull ratchet that ratchet is snapped between the adjacent ratchet of on drive two by control lever, drive can not be rotated; The instrument of winding up is inserted the counterbore on power axle and rotates, ratchet is positioned between two adjacent ratchets, the instrument of winding up drives drive clockwise, enable drive back down ratchet to rotate, drive drives clockwork spring disc spins, thus tightens clockwork spring, stop operating the instrument of winding up, due to the monodirectional locking effect by ratchet, make drive can not produce rotation because of the Reverse Power of clockwork spring dish, thus clockwork spring dish can not be rotated; By clockwork spring by power-reserve in clockwork spring dish; After clockwork spring dish stores power, push button, button promotes ratchet by control lever, makes ratchet leave ratchet on drive, and the clockwork spring storing power will drive clockwork spring disc spins until the depleted of energy that stores of clockwork spring; Clockwork spring disc spins drives the drive engaged with it to rotate, and drive drives the driven pulley engaged with it to rotate again, and driven pulley drives first bevel gear coaxial with it to rotate, and the first bevel gear drives the second bevel gear to rotate, thus drives fan blade to rotate; Powder barrel between fan blade and powder cylinder blind end arranges airflow hole, and airflow hole is positioned at the outer casing space between the top board of the shell relative with base plate and demarcation strip, and the air-flow after fan blade supercharging enters outer casing space through airflow hole.
Before using, instrument first by winding up tightens clockwork spring and has stored power, push button during blackboard wiping, the power stored just can obtain release, clockwork spring dribbling is moved drive and is rotated, drive more dynamic driven pulley rotates, driven pulley drives the first bevel gear to rotate, first bevel gear drives the second bevel gear to rotate again, thus drive fan blade to rotate, fan blade rotates and chalk dust is inhaled powder entering cylinder together with air, after being filtered, chalk dust stays Ji Fencang, clean air enters filter endoporus and flows to fan blade, outer casing space is blown into after pressurization, be discharged to outside shell by venthole again.
Edge along base plate is arranged downwards and the shirt rim 16 extended internally, and the height of described shirt rim is lower than the height of rub piece.
The height that powder cylinder is positioned at demarcation strip inferior portion is less than the height of the surrounding edge of demarcation strip.
Filter adopts filter paper or filter cotton to make.
The roof of shell arranges arrow mark upwards.
Beneficial effect
1, tighten clockwork spring before using, make clockwork spring store energy, pushing button when erasing the board releases energy drives fan blade to rotate to realize dust suction, stay in collection powder storehouse, can effectively prevent chalk ash pollution environment after the chalk dust of suction is filtered.
Accompanying drawing explanation
Fig. 1 is stereoscopic figure mono-of the present invention;
Fig. 2 is stereoscopic figure bis-of the present invention;
Fig. 3 is explosive view of the present invention;
Fig. 4 is fragmentary sectional view of the present invention;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is the fragmentary sectional view of another angle of the present invention;
Fig. 7 is the partial enlarged drawing of Fig. 6.
Detailed description of the invention
As shown in Fig. 1 to Fig. 7, a kind of energy storage type chalkboard eraser, is provided with the strip rub piece 12 of one or more, shell hollow at base plate 11 outer wall of shell 1, arrange multiple suction hole 13 communicated with shell endoporus round rub piece on base plate; Be provided with the powder cylinder 2 of cylindrical hollow in the enclosure, powder cylinder one end open down, shell short side plate down arranges the equipment opening 14 corresponding with the opening of powder cylinder, one piece of demarcation strip 3 parallel with base plate 11 is provided with along powder drum outer wall, make a part for powder cylinder between demarcation strip and base plate, edge along demarcation strip 3 is provided with towards the outstanding surrounding edge of base plate, and the surrounding edge of demarcation strip surrounding is pressed on the base plate of shell, makes the suction hole 13 on base plate be arranged in surrounding edge endoporus; Powder barrel between demarcation strip and base plate arranges multiple suction powder hole, enables chalk dust enter powder cylinder by suction hole, suction powder hole successively; Base plate outside the surrounding edge being positioned at demarcation strip is arranged multiple venthole 15; Described the chalkboard eraser of automatic dust absorption can also comprise collection powder storehouse 4, filter 5 and booster 6; The described collection powder storehouse one end open other end is closed, and is provided with the back-up block of two or more to the symmetric arrays of inner process at the inwall of Ji Fencang near openend; Filter is the hollow cylindrical that one end open is closed in one end, and the openend of filter is tapered, and the external diameter of the vertex of a cone is identical with the internal diameter of powder cylinder, and both form tight fit, and the diameter of the hollow cylindrical part of filter is less than the diameter of bore of powder cylinder; Filter is inserted Ji Fencang from the openend of Ji Fencang, the blind end of filter is made to be against on back-up block, the major part of filter is positioned at outside Ji Fencang, the filter be nested together and Ji Fencang are inserted in powder cylinder from the equipment opening of powder cylinder, the vertex of a cone of filter port end is made to compress powder cylinder inwall, both form tight fit, make, in the space of suction powder hole between filter and powder cylinder, to flow to booster after making the air-flow entering powder cylinder have to pass through the filtration of filter 5 from its openend.
Described booster 6 mainly comprises clockwork spring dish 61, clockwork spring 62, drive 63, driven pulley 64, first bevel gear 65, second bevel gear 66, ratchet 67, control lever 68, holder 69 and fan blade; Clockwork spring dish is placed in powder drum outer wall by clockwork spring dish axle, and clockwork spring dish can rotate around clockwork spring dish axle under the effect of external force.
Be provided with near the sidewall of blind end the holder 69 that the blind end that protrudes from powder cylinder extends to shell at powder cylinder, described holder one end is provided with drive axis hole, and the other end is provided with driven pulley axis hole.Described power axle one end is placed in drive axis hole, the other end is provided with the counterbore matched with the instrument of upper law caved inward, driving wheel tube is on power axle, and position corresponding with power axle on shell is provided with through hole, enables the instrument of law insert counterbore; Follower shaft is through holder, and one end is connected with driven pulley, and the other end is connected with the first bevel gear 65; Second bevel gear engages with the first bevel gear, and the second shaft of bevel gear enters in powder cylinder through the blind end of powder cylinder and is connected with fan blade; Ratchet is arranged on the pawl axis on holder.
Clockwork spring is placed in clockwork spring dish round clockwork spring dish axle, and one end of clockwork spring is fixed on clockwork spring dish axle, and the other end is fixed on clockwork spring dish inwall; Drive is divided into two-stage, and the outer wall away from the one-level of holder engages with the outer wall of clockwork spring dish, and the one-level near holder is provided with ratchet, and the ratchet be meshed with ratchet is connected with the button on shell by control lever; Push button, control lever promotes ratchet, makes ratchet be rotated away from ratchet on drive along pawl axis, drive is freely rotated; Decontrol button, while button resets, pull ratchet that ratchet is snapped between the adjacent ratchet of on drive two by control lever, drive can not be rotated.
The instrument of winding up is inserted the counterbore on power axle and rotates, at this moment, owing to not pushing button, ratchet is positioned between two adjacent ratchets, the instrument of winding up drives drive clockwise, enable drive back down ratchet to rotate, drive drives clockwork spring disc spins, thus tightens clockwork spring, stop operating the instrument of winding up, due to the monodirectional locking effect by ratchet, make drive can not produce rotation because of the Reverse Power of clockwork spring dish, thus clockwork spring dish can not be rotated; By clockwork spring by power-reserve in clockwork spring dish.
After clockwork spring dish stores power, push button, button promotes ratchet by control lever, makes ratchet leave ratchet on drive, and the clockwork spring storing power will drive clockwork spring disc spins until the depleted of energy that stores of clockwork spring; Clockwork spring disc spins drives the drive engaged with it to rotate, and drive drives the driven pulley engaged with it to rotate again, and driven pulley drives first bevel gear coaxial with it to rotate, and drives the second bevel gear to rotate, thus drives fan blade to rotate.
The instrument of winding up is generally a knob be located on shell, when needing to wind up, only needs to pinch knob with hand and carries out rotating.Counterbore on power axle is generally in-line or cross or hexagon, and the instrument of winding up mates with counterbore.
Powder barrel between fan blade and powder cylinder blind end arranges airflow hole, and airflow hole is positioned at the outer casing space between the top board of the shell relative with base plate and demarcation strip, and the air-flow after fan blade supercharging enters outer casing space through airflow hole.
Before using, instrument first by winding up tightens clockwork spring and has stored power, push button during blackboard wiping, the power stored just can obtain release, clockwork spring dribbling is moved drive and is rotated, drive more dynamic driven pulley rotates, driven pulley drives the first bevel gear to rotate, first bevel gear drives the second bevel gear to rotate again, thus drive fan blade to rotate, fan blade rotates and chalk dust is inhaled powder entering cylinder together with air, after being filtered, chalk dust stays Ji Fencang, clean air enters filter endoporus and flows to fan blade, outer casing space is blown into through airflow hole after pressurization, be discharged to outside shell by venthole again.
Edge along base plate is arranged downwards and the shirt rim 16 extended internally, and the height of described shirt rim is lower than the height of rub piece.Be subject to the guide function of shirt rim from the air-flow of venthole discharge, around chalkboard eraser, form one gas curtain, prevent chalk dust from flying upward.
The height that powder cylinder is positioned at demarcation strip inferior portion is less than the height of the surrounding edge of demarcation strip.
Filter adopts filter paper or filter cotton to make.
The roof of shell arranges arrow mark upwards.Make booster be positioned at above arrow, collect powder position in storehouse below arrow.The diapire of shell arranges magnet, blackboard arranges iron plate, enable chalkboard eraser by magnet adsorption on blackboard.When placing chalkboard eraser, place, make arrow upward by arrow mark instruction, the chalk dust outside filter will drop in collection powder storehouse under gravity automatically.
Above-described embodiment is only used to interpretation purposes of the present invention, and is not limitation of the present invention, those skilled in the art, in essential scope of the present invention, makes a variety of changes or substitutes, also should belong to protection category of the present invention.
Claims (6)
1. an energy storage type chalkboard eraser, the strip rub piece (12) of one or more is provided with at base plate (11) outer wall of shell (1), it is characterized in that: shell hollow, multiple suction hole (13) communicated with shell endoporus is set on base plate round rub piece; Be provided with the powder cylinder (2) of cylindrical hollow in the enclosure, powder cylinder one end open down, shell short side plate down arranges the equipment opening (14) corresponding with the opening of powder cylinder, one piece of demarcation strip (3) parallel with base plate (11) is provided with along powder drum outer wall, make a part for powder cylinder between demarcation strip and base plate, edge along demarcation strip (3) is provided with towards the outstanding surrounding edge of base plate, the surrounding edge of demarcation strip surrounding is pressed on the base plate of shell, makes the suction hole on base plate (13) be arranged in surrounding edge endoporus; Powder barrel between demarcation strip and base plate arranges multiple suction powder hole, enables chalk dust enter powder cylinder by suction hole, suction powder hole successively; Base plate outside the surrounding edge being positioned at demarcation strip is arranged multiple venthole (15); Described the chalkboard eraser of automatic dust absorption can also comprise Ji Fencang (4), filter (5) and booster (6); The described collection powder storehouse one end open other end is closed, and is provided with the back-up block of two or more to the symmetric arrays of inner process at the inwall of Ji Fencang near openend; Filter is the hollow cylindrical that one end open is closed in one end, and the openend of filter is tapered, and the external diameter of the vertex of a cone is identical with the internal diameter of powder cylinder, and both form tight fit, and the diameter of the hollow cylindrical part of filter is less than the diameter of bore of powder cylinder; Filter is inserted Ji Fencang from the openend of Ji Fencang, the blind end of filter is made to be against on back-up block, the major part of filter is positioned at outside Ji Fencang, the filter be nested together and Ji Fencang are inserted in powder cylinder from the equipment opening of powder cylinder, the vertex of a cone of filter port end is made to compress powder cylinder inwall, both form tight fit, make, in the space of suction powder hole between filter and powder cylinder, after making the air-flow entering powder cylinder have to pass through the filtration of filter (5), booster to be flowed to from its openend; Described booster (6) mainly comprises clockwork spring dish (61), clockwork spring (62), drive (63), driven pulley (64), the first bevel gear (65), the second bevel gear (66), ratchet (67), control lever (68), holder (69) and fan blade; Clockwork spring dish is placed in powder drum outer wall by clockwork spring dish axle, and clockwork spring dish can rotate around clockwork spring dish axle under the effect of external force; Be provided with near the sidewall of blind end the holder (69) that the blind end that protrudes from powder cylinder extends to shell at powder cylinder, described holder one end is provided with drive axis hole, and the other end is provided with driven pulley axis hole; Described power axle one end is placed in drive axis hole, the other end is provided with the counterbore matched with the instrument of upper law caved inward, driving wheel tube is on power axle, and position corresponding with power axle on shell is provided with through hole, enables the instrument of law insert counterbore; Follower shaft is through the driven pulley axis hole on holder, and one end is connected with driven pulley, and the other end is connected with the first bevel gear (65); Second bevel gear engages with the first bevel gear, and the second shaft of bevel gear enters in powder cylinder through the blind end of powder cylinder and is connected with fan blade; Ratchet is arranged on the pawl axis on holder; Clockwork spring is placed in clockwork spring dish round clockwork spring dish axle, and one end of clockwork spring is fixed on clockwork spring dish axle, and the other end is fixed on clockwork spring dish inwall; Drive is divided into two-stage, and the outer wall away from the one-level of holder engages with the outer wall of clockwork spring dish, and the one-level near holder is provided with ratchet, and the ratchet be meshed with ratchet is connected with the button on shell by control lever; Push button, control lever promotes ratchet, makes ratchet be rotated away from ratchet on drive along pawl axis, drive is freely rotated; Decontrol button, while button resets, pull ratchet that ratchet is snapped between the adjacent ratchet of on drive two by control lever, drive can not be rotated; The instrument of winding up is inserted the counterbore on power axle and rotates, ratchet is positioned between two adjacent ratchets, the instrument of winding up drives drive clockwise, enable drive back down ratchet to rotate, drive drives clockwork spring disc spins, thus tightens clockwork spring, stop operating the instrument of winding up, due to the monodirectional locking effect by ratchet, make drive can not produce rotation because of the Reverse Power of clockwork spring dish, thus clockwork spring dish can not be rotated; By clockwork spring by power-reserve in clockwork spring dish; After clockwork spring dish stores power, push button, button promotes ratchet by control lever, makes ratchet leave ratchet on drive, and the clockwork spring storing power will drive clockwork spring disc spins until the depleted of energy that stores of clockwork spring; Clockwork spring disc spins drives the drive engaged with it to rotate, and drive drives the driven pulley engaged with it to rotate again, and driven pulley drives first bevel gear coaxial with it to rotate, and the first bevel gear drives the second bevel gear to rotate, thus drives fan blade to rotate; Powder barrel between fan blade and powder cylinder blind end arranges airflow hole, and airflow hole is positioned at the outer casing space between the top board of the shell relative with base plate and demarcation strip, and the air-flow after fan blade supercharging enters outer casing space through airflow hole.
2. at a kind of energy storage type chalkboard eraser according to claim 1, it is characterized in that: before use, instrument first by winding up tightens clockwork spring and has stored power, push button during blackboard wiping, the power stored just can obtain release, clockwork spring dribbling is moved drive and is rotated, drive more dynamic driven pulley rotates, driven pulley drives the first bevel gear to rotate, first bevel gear drives the second bevel gear to rotate again, thus drive fan blade to rotate, fan blade rotates and chalk dust is inhaled powder entering cylinder together with air, after being filtered, chalk dust stays Ji Fencang, clean air enters filter endoporus and flows to fan blade, outer casing space is blown into after pressurization, be discharged to outside shell by venthole again.
3. at a kind of energy storage type chalkboard eraser according to claim 1, it is characterized in that: the edge along base plate is arranged downwards and the shirt rim extended internally (16), the height of described shirt rim is lower than the height of rub piece.
4. at a kind of energy storage type chalkboard eraser according to claim 1, it is characterized in that: the height that powder cylinder is positioned at demarcation strip inferior portion is less than the height of the surrounding edge of demarcation strip.
5. at a kind of energy storage type chalkboard eraser according to claim 1, it is characterized in that: filter adopts filter paper or filter cotton to make.
6., at a kind of energy storage type chalkboard eraser according to claim 1, it is characterized in that: the roof of shell is arranged arrow mark upwards.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192234.XA CN105856925A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type blackboard eraser with chalk ash barrel |
| CN201610192242.4A CN105691063A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with filter |
| CN201510406412.XA CN105034663B (en) | 2015-07-13 | 2015-07-13 | A kind of energy storage type chalkboard eraser |
| CN201610192244.3A CN105691064A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406412.XA CN105034663B (en) | 2015-07-13 | 2015-07-13 | A kind of energy storage type chalkboard eraser |
Related Child Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610192272.5A Division CN105818584A (en) | 2015-07-13 | 2015-07-13 | Energy storage type chalk eraser |
| CN201610192244.3A Division CN105691064A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with supercharger |
| CN201610192245.8A Division CN105818582A (en) | 2015-07-13 | 2015-07-13 | Chalk eraser capable of collecting chalk dust |
| CN201610192271.0A Division CN105818583A (en) | 2015-07-13 | 2015-07-13 | Chalk eraser |
| CN201610192242.4A Division CN105691063A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with filter |
| CN201610192234.XA Division CN105856925A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type blackboard eraser with chalk ash barrel |
| CN201610192243.9A Division CN105774340A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type blackboard brush with chalk dust collecting bin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105034663A true CN105034663A (en) | 2015-11-11 |
| CN105034663B CN105034663B (en) | 2016-11-02 |
Family
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610192244.3A Pending CN105691064A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with supercharger |
| CN201610192242.4A Pending CN105691063A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with filter |
| CN201610192234.XA Pending CN105856925A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type blackboard eraser with chalk ash barrel |
| CN201510406412.XA Expired - Fee Related CN105034663B (en) | 2015-07-13 | 2015-07-13 | A kind of energy storage type chalkboard eraser |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610192244.3A Pending CN105691064A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with supercharger |
| CN201610192242.4A Pending CN105691063A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type chalk wiper with filter |
| CN201610192234.XA Pending CN105856925A (en) | 2015-07-13 | 2015-07-13 | Energy-storage type blackboard eraser with chalk ash barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN105691064A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303805B (en) * | 2019-07-16 | 2021-04-13 | 温州斯酷睿机械科技有限公司 | Blackboard eraser capable of automatically absorbing dust |
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| CN204367725U (en) * | 2014-12-30 | 2015-06-03 | 李馥羽 | A kind of dust absorption blackboard eraser |
| CN104626838A (en) * | 2015-01-27 | 2015-05-20 | 洛阳理工学院 | Electric dust collection blackboard eraser |
-
2015
- 2015-07-13 CN CN201610192244.3A patent/CN105691064A/en active Pending
- 2015-07-13 CN CN201610192242.4A patent/CN105691063A/en active Pending
- 2015-07-13 CN CN201610192234.XA patent/CN105856925A/en active Pending
- 2015-07-13 CN CN201510406412.XA patent/CN105034663B/en not_active Expired - Fee Related
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| CH132053A (en) * | 1927-10-21 | 1929-03-31 | Baumann Willy | Eraser. |
| CN2058383U (en) * | 1989-10-30 | 1990-06-20 | 张鼎兴 | Blackboard eraser with dust catcher |
| US4941225A (en) * | 1989-11-13 | 1990-07-17 | Liao Su Land | Automatic chalk-powder collecting device for blackboard eraser |
| CN202669318U (en) * | 2012-06-28 | 2013-01-16 | 淮南师范学院 | Eraser |
| CN203567427U (en) * | 2013-10-29 | 2014-04-30 | 田成祥 | Mechanical blackboard eraser free of power dissipation |
| CN204774279U (en) * | 2015-07-13 | 2015-11-18 | 晋江市东亨工业设计有限公司 | Energy storage formula chalkboard eraser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105691063A (en) | 2016-06-22 |
| CN105856925A (en) | 2016-08-17 |
| CN105034663B (en) | 2016-11-02 |
| CN105691064A (en) | 2016-06-22 |
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Effective date of registration: 20170911 Address after: 300000, No. 73, building No. 2, three Fang village, double village, Tianjin Town, Jinnan Patentee after: Shi Ming Address before: 362212 Fujian city of Quanzhou province Jinjiang city Chidian bridge citimex 5 Washington building 1102 Patentee before: JINJIANG DONGHENG INDUSTRIAL DESIGN CO., LTD. |
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