CN210363129U - Blackboard eraser capable of adsorbing chalk dust - Google Patents
Blackboard eraser capable of adsorbing chalk dust Download PDFInfo
- Publication number
- CN210363129U CN210363129U CN201921027881.0U CN201921027881U CN210363129U CN 210363129 U CN210363129 U CN 210363129U CN 201921027881 U CN201921027881 U CN 201921027881U CN 210363129 U CN210363129 U CN 210363129U
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- China
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- box body
- dust
- bottom plate
- blackboard eraser
- chalk dust
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Abstract
The utility model discloses an adsorb blackboard eraser of chalk dust, including the box body, the lid is installed at the top of box body, and slope scraper blade and bottom plate are articulated mutually, and small-size air exhauster is installed to the inside top surface of box body, and vibrating motor is still installed to the inside of box body, and vibrating motor's bottom is connected with flexible elasticity post, and the surface mounting of box body has the piston cap, has all seted up a plurality of suction holes on bottom plate and the inner splint, has still seted up the preformed hole on the inner splint. The utility model discloses make blackboard face dust can be patted and vibrate back brute force absorption down, and all the other slope scraper blade cooperation is connected the belt and is played the effect that prevents the dust and fly upward, clean the blackboard and finish the back, the pulling inner plate seals and inhales the hole and prevent that inspiratory dust from dropping in a large number, only can the subtotal leakage from reservation hole department, only need the slope invert handheld box body can, pour out the dust in the box body after opening the piston lid, conveniently collect the dust, be favorable to cleaning of box body clean, permanent use effectively clears away the dust.
Description
Technical Field
The utility model relates to a blackboard eraser, in particular to a blackboard eraser absorbing chalk dust.
Background
In the middle of each school of colleges and secondary schools, teachers can write knowledge on the blackboard when teaching in a classroom, the blackboard eraser is more frequently used, when dust is wiped on the blackboard surface by a common blackboard eraser, a large amount of dropped dust is not convenient to collect and clean, the dust easily flies with wind, normal teaching is affected, and due to the concave-convex structure of the blackboard surface, the residual dust after writing is easily solidified and attached to the blackboard and is difficult to clean.
Disclosure of Invention
The to-be-solved technical problem of the utility model is overcome prior art's defect, a adsorb blackboard eraser of chalk dust is provided, support one or polylith slope scraper blade wherein through the finger, under small-size air exhauster and vibrating motor's effect, make blackboard face dust can be patted and vibrate back brute force absorption down, and all the other slope scraper blade cooperation connection belt plays the effect that prevents the dust and fly upward, clean the blackboard and finish the back, the pulling inner splint seals the suction hole and prevents that inspiratory dust from dropping in a large number, only can the subtotal is revealed from reservation hole department, only need the slope invert handheld box body can, pour out the dust in the box body after opening the piston lid, conveniently collect the dust, be favorable to cleaning of box body clean, long-term use, effectively clear away the dust.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a blackboard eraser absorbing chalk dust, which comprises a box body, a box cover is arranged at the top of the box body, the box cover is fixed with the box body through a self-locking fastener, a bottom plate is arranged at the bottom of the box body, four surfaces at the bottom edge of the bottom plate are all provided with inclined scrapers, the inclined scrapers are hinged with the bottom plate, two adjacent inclined scrapers which are vertical to each other are connected through a connecting belt, a small-sized exhaust fan is arranged at the inner top surface of the box body, a vibrating motor is also arranged inside the box body, the bottom end of the vibrating motor is connected with a telescopic elastic column, the end part of the telescopic elastic column extends out of the bottom part of the bottom plate, a piston cover is arranged on the outer surface of the box body, an inner clamping plate is arranged on the bottom plate in a sliding way, a plurality, the inner splint is also provided with a preformed hole.
As an optimized technical proposal of the utility model, the inner splint is spliced with the box body.
As an optimal technical scheme of the utility model, small-size air exhauster inside includes the battery.
As an optimized technical scheme of the utility model, the hole of inhaling on the inner splint corresponds with inhaling the hole looks dislocation on the bottom plate.
As a preferred technical scheme of the utility model, flexible elasticity post is located the inside of preformed hole, and the both ends of preformed hole are semi-circular structure.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a finger supports wherein one or polylith slope scraper blade, under small-size air exhauster and vibrating motor's effect, make blackboard face dust can be patted and vibrate back brute force absorption down, and all the other slope scraper blade cooperation is connected the belt and is played the effect that prevents the dust and fly upward, clean the blackboard and finish the back, the pulling inner splint seals and inhales the hole and prevents that inspiratory dust from dropping in a large number, only can the subtotal follow preformed hole department reveals, only need the slope invert handheld box body can, pour out the dust in the box body behind the opening piston cap, conveniently collect the dust, be favorable to cleaning of box body clean, long-term use, effectively clear away the dust.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a bottom view of the present invention;
FIG. 3 is an internal structural view of the present invention;
in the figure: 1. a box body; 2. a box cover; 3. a self-locking fastener; 4. a base plate; 5. an inclined scraper; 6. connecting a belt; 7. a small exhaust fan; 8. a vibration motor; 9. a telescopic elastic column; 10. a piston cap; 11. an inner splint; 12. sucking holes; 13. holes are reserved.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
As shown in figures 1-3, the utility model provides a blackboard eraser for absorbing chalk dust, which comprises a box body 1, a box cover 2 is arranged at the top of the box body 1, the box cover 2 is fixed with the box body 1 through a self-locking fastener 3, a bottom plate 4 is arranged at the bottom of the box body 1, inclined scrapers 5 are arranged on four sides of the bottom edge of the bottom plate 4, the inclined scrapers 5 are hinged with the bottom plate 4, two adjacent mutually vertical inclined scrapers 5 are connected through a connecting belt 6, a small-sized exhaust fan 7 is arranged on the inner top surface of the box body 1, a vibrating motor 8 is also arranged inside the box body 1, a telescopic elastic column 9 is connected at the bottom end of the vibrating motor 8, the end part of the telescopic elastic column 9 extends out of the bottom plate 4, a piston cover 10 is arranged on the outer surface of the box body 1, an inner clamping plate 11 is arranged on, the end of the inner clamping plate 11 is provided with a handle, and the inner clamping plate 11 is also provided with a preformed hole 13.
Inside the battery that includes of small-size air exhauster 7, and vibrating motor 8 also supplies power through the battery, is small-size air exhauster 7, vibrating motor 8 back respectively through the battery, can be so that to have in the box body 1 and inhale the dust effect, and flexible elastic column 9 is driven through vibrating motor 8 and is stretched out and drawn back from top to bottom, can make the blackboard eraser paste back on the blackboard face, can pat through flexible elastic column 9 of flexible vibrations and shake the adnexed dust on the blackboard that falls.
Inhale hole 12 on the hole of interior splint 11 and the bottom plate 4 inhale 12 looks dislocation correspondences for through manual pulling handle back, interior splint 11 is parallel to paste and slide on bottom plate 4 mutually, makes to inhale hole 12 and can misplace the following current each other and inhale the dust, or seals and inhales hole 12 and prevent that the inhaled dust from dropping in a large number, only can the subtotal follow preformed hole 13 and reveal, only need the handheld box body 1 of slope can.
Flexible elastic column 9 is located the inside of preformed hole 13, and the both ends of preformed hole 13 are semi-circular structure, can be so that 11 slip backs of pulling inner splint, and flexible elastic column 9 can carry on spacingly through preformed hole 13, and the normal flexible vibrations effect of the elastic column 9 that ensures stretches out and draws back is favorable to normal beating shake to fall the dust.
Concretely, at first pulling inner plate 11, make the hole 12 of inhaling on the inner plate 11 and the hole 12 of inhaling on the bottom plate 4 misplace mutually, make and inhale hole 12 and can communicate inside box body 1, support one or polylith slope scraper blade 5 wherein through the finger, under the effect of small-size air exhauster 7 and vibrating motor 8, make blackboard face dust can be patted and vibrate back brute force absorption down, and all the other slope scraper blade 5 cooperation connection belt 6 plays the effect that prevents the dust and fly upward, clean the blackboard and finish the back, pull inner plate 11 seals and inhales hole 12 and prevents that inspiratory dust from dropping in a large number, only can the part reveal from preformed hole 13, only need the slope invert hand-held box body 1 can, pour out the dust in the box body 1 after opening piston cap 10, conveniently collect the dust, be favorable to cleaning cleanness of box body 1, long-term use, effectively clear away the dust.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a finger supports wherein one or polylith slope scraper blade 5, under the effect of small-size air exhauster 7 and vibrating motor 8, make blackboard face dust can be patted and vibrate back brute force absorption down, and all the other slope scraper blade 5 cooperation connecting belt 6 plays the effect that prevents the dust and fly upward, clean the blackboard back that finishes, 11 seals in the pulling and inhales hole 12 and prevent that inspiratory dust from dropping in a large number, only can the subtotal leakage from preformed hole 13, only need the slope invert handheld box body 1 can, pour out the dust in the box body 1 after opening piston cap 10, conveniently collect the dust, be favorable to cleaning of box body 1 clean, permanent use, effectively clear away the dust.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The blackboard eraser capable of adsorbing chalk dust comprises a box body (1) and is characterized in that a box cover (2) is installed at the top of the box body (1), the box cover (2) is fixed with the box body (1) through a self-locking fastener (3), a bottom plate (4) is installed at the bottom of the box body (1), inclined scrapers (5) are installed on four sides of the bottom edge of the bottom plate (4), the inclined scrapers (5) are hinged to the bottom plate (4), two adjacent mutually-perpendicular inclined scrapers (5) are connected through a connecting belt (6), a small-sized exhaust fan (7) is installed on the top surface inside the box body (1), a vibrating motor (8) is further installed inside the box body (1), the bottom end of the vibrating motor (8) is connected with a telescopic elastic column (9), and the end part of the telescopic elastic column (9) extends out of the bottom plate (4), the utility model discloses a box body, including box body (1), bottom plate (4), bottom plate (11), bottom plate (4) slidable mounting have an interior splint (11), all seted up a plurality of holes (12) of inhaling on bottom plate (4) and interior splint (11), the handle is installed to the tip of interior splint (11), preformed hole (13) have still been seted up on interior splint (11).
2. The blackboard eraser absorbing chalk dust according to claim 1, characterized in that the inner clamping plate (11) is inserted with the box body (1).
3. The blackboard eraser absorbing chalk dust according to claim 1, characterized in that the small-sized suction fan (7) contains a storage battery inside.
4. The blackboard eraser for absorbing chalk dust according to claim 1, characterized in that the absorbing holes (12) on the inner clamping plate (11) and the absorbing holes (12) on the bottom plate (4) are in corresponding dislocation.
5. The blackboard eraser for absorbing chalk dust according to claim 1, characterized in that the telescopic elastic column (9) is located inside the prepared hole (13), and two ends of the prepared hole (13) are in a semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027881.0U CN210363129U (en) | 2019-07-03 | 2019-07-03 | Blackboard eraser capable of adsorbing chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027881.0U CN210363129U (en) | 2019-07-03 | 2019-07-03 | Blackboard eraser capable of adsorbing chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210363129U true CN210363129U (en) | 2020-04-21 |
Family
ID=70269097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921027881.0U Expired - Fee Related CN210363129U (en) | 2019-07-03 | 2019-07-03 | Blackboard eraser capable of adsorbing chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210363129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239267A (en) * | 2019-07-03 | 2019-09-17 | 湖北工程职业学院 | A kind of blackboard eraser adsorbing chalk dust |
| CN112659788A (en) * | 2020-12-24 | 2021-04-16 | 日照职业技术学院 | English teaching blackboard convenient to draw four line grids |
-
2019
- 2019-07-03 CN CN201921027881.0U patent/CN210363129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239267A (en) * | 2019-07-03 | 2019-09-17 | 湖北工程职业学院 | A kind of blackboard eraser adsorbing chalk dust |
| CN112659788A (en) * | 2020-12-24 | 2021-04-16 | 日照职业技术学院 | English teaching blackboard convenient to draw four line grids |
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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: 20200421 Termination date: 20210703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |