CN105150728A - Novel blackboard eraser - Google Patents
Novel blackboard eraser Download PDFInfo
- Publication number
- CN105150728A CN105150728A CN201510644302.7A CN201510644302A CN105150728A CN 105150728 A CN105150728 A CN 105150728A CN 201510644302 A CN201510644302 A CN 201510644302A CN 105150728 A CN105150728 A CN 105150728A
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- hole
- upper shell
- novel blackboard
- wall
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 210000005056 cell body Anatomy 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a novel blackboard eraser. The novel blackboard eraser comprises a bottom plate and an upper shell. An annular extending wall extending upwards is arranged on the upper plane of the bottom plate. Concave holes are formed in the outer walls of the annular extending wall. Ball head plungers are in screw connection into screw joint through holes in the inner side walls of the lower portion of the upper shell. The annular extending wall is inserted in the lower portion of the upper shell in a sleeved manner. Steel balls of the ball head plungers are embedded in the corresponding concave holes. The bottom plate is provided with a plurality of air inlet through holes. A brush layer is fixed to the bottom face of the bottom plate. A connecting plate is inserted in the annular extending wall in a sleeved manner. A mini-type suction pump, a storage battery and a control main panel are fixed to the connecting plate. Dust adsorption can be achieved through the novel blackboard eraser during blackboard wiping, and the novel blackboard eraser is small in size so that the novel blackboard eraser can be conveniently held by hand. Meanwhile, the ball head plungers are used for fixing, dismounting and mounting are convenient, and internal cleaning is convenient.
Description
Technical field:
The present invention relates to teaching equipment technical field, relate to a kind of novel blackboard eraser in particular.
Background technology:
The word that existing blackboard eraser all can only be write the chalk on blackboard or pattern carry out wiping, when wiping, chalk dust can aloft float, and easily sucks human body, unhealthful, therefore need a kind of can when wiping just by the device that dust sucks, and the existing blackboard eraser with dust suction is bulky, grips inconvenience, and it adopts hard card button to connect, dismounting number of times too much easily makes buckle place wear and tear or detain bad, and affect formality and use, its internal washing bothers.
Summary of the invention:
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of novel blackboard eraser, it can when erasing the board by adsorbing powder dust, and the little hand of being convenient to of its volume grips, and meanwhile, it adopts bulb plunger to fix, and removes and installs conveniently, facilitates internal washing.
The scheme that the present invention solve the technical problem is:
A kind of novel blackboard eraser, comprise base plate and upper shell, the upper plane of described base plate has the annular wall extension upwards extended, the outer wall of annular wall extension has shrinkage pool, be bolted with bulb plunger in the through hole that is spirally connected that the lower inside wall of upper shell has, annular wall extension sleeve is in the bottom of upper shell, and the steel ball of bulb plunger is nested in corresponding shrinkage pool, base plate has multiple air inlet through hole, the bottom surface of base plate is fixed with hairbrush layer;
Connecting plate is inserted with in described annular wall extension, connecting plate is fixed with miniature asepwirator pump, battery and control mainboard, miniature asepwirator pump is electrically connected with control mainboard, battery is electrically connected with control mainboard, control mainboard is electrically connected with gauge tap, the bottom surface of connecting plate has cavity, cavity communicates with air inlet through hole, the inlet end of miniature asepwirator pump communicates with cavity, connecting plate is fixed with dividing plate, in dividing plate, there is passage, passage communicates with the outlet side of miniature asepwirator pump, connecting plate is placed with dust-collecting box, dust-collecting box holding is between dividing plate and annular wall extension, the upper portion side wall of dust-collecting box has connecting through hole, connecting through hole communicates with the other end of passage.
The side of described upper shell has cell body, is coated with and renovates in cell body, and the one end of renovating is hinged on upper shell, and the other end madial wall renovated has irony block, on the permanent magnet that the top that irony block is adsorbed on annular wall extension has.
The described madial wall renovated is fixed with elastic press, and elastic press is pressed against on the top lid of dust-collecting box.
Described dust-collecting box comprises box body and top lid, the inside top wall of box body is fixed with permanent magnetism iron bar, and top lid covers the top at box body, and the bottom surface edge of top lid has iron block, iron block is adsorbed on permanent magnetism iron bar, and the upper portion side wall of box body has connecting through hole.
The inside top wall of described upper shell is fixed with resilient protection block, and resilient protection block is pressed against the top of miniature asepwirator pump.
The wall that described box body and dividing plate are pressed against mutually have at least two seal grooves.Be nested with sealing strip in seal groove, connecting through hole is between two sealing strips, and sealing strip elasticity is pressed against on dividing plate.
The top of described upper shell has button pass through hole, control lever sleeve is in button pass through hole, the lower outside wall of control lever has radial extension edge, spring sleeve is in the lower end of control lever, radial extension edge is put forth effort in the upper end of spring, the lower end of spring is put forth effort on the housing of gauge tap, and the button portion of gauge tap is immediately below control lever.
Outstanding effect of the present invention is:
Compared with prior art, it can when erasing the board by adsorbing powder dust, and the little hand of being convenient to of its volume grips, and meanwhile, it adopts bulb plunger to fix, and removes and installs conveniently, facilitates internal washing.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention:
Embodiment, see as shown in Figure 1, a kind of novel blackboard eraser, comprise base plate 10 and upper shell 20, the upper plane of described base plate 10 has the annular wall extension 11 upwards extended, the outer wall of annular wall extension 11 has shrinkage pool 12, bulb plunger 1 is bolted with in the through hole that is spirally connected that the lower inside wall of upper shell 20 has, annular wall extension 11 sleeve is in the bottom of upper shell 20, the steel ball of bulb plunger 1 is nested in corresponding shrinkage pool 12, base plate 10 has multiple air inlet through hole 13, the bottom surface of base plate 10 is fixed with hairbrush layer 30;
Connecting plate 14 is inserted with in described annular wall extension 11, connecting plate 14 is fixed with miniature asepwirator pump 2, battery 3 and control mainboard 4, miniature asepwirator pump 2 is electrically connected with control mainboard 4, battery 3 is electrically connected with control mainboard 4, control mainboard 4 is electrically connected with gauge tap 5, the bottom surface of connecting plate 14 has cavity 141, cavity 141 communicates with air inlet through hole 13, the inlet end of miniature asepwirator pump 2 communicates with cavity 141, connecting plate 14 is fixed with dividing plate 15, there is in dividing plate 15 passage 151, passage 151 communicates with the outlet side of miniature asepwirator pump 2, connecting plate 14 is placed with dust-collecting box 50, dust-collecting box 50 holding is between dividing plate 15 and annular wall extension 11, the upper portion side wall of dust-collecting box 50 has connecting through hole 51, connecting through hole 51 communicates with the other end of passage 151.
Further, the side of described upper shell 20 has cell body, is coated with and renovates 21 in cell body, and the one end of renovating 21 is hinged on upper shell 20, the other end madial wall renovating 21 has irony block 22, on the permanent magnet 16 that the top that irony block 22 is adsorbed on annular wall extension 11 has.
Further, described in renovate 21 madial wall on be fixed with elastic press 23, elastic press 23 is pressed against on the top lid 52 of dust-collecting box 50.
Further, described dust-collecting box 50 comprises box body 53 and top lid 52, the inside top wall of box body 53 is fixed with permanent magnetism iron bar 54, top lid 52 covers the top at box body 53, the bottom surface edge of top lid 52 has iron block 55, iron block 55 is adsorbed on permanent magnetism iron bar 54, and the upper portion side wall of box body 53 has connecting through hole 51.
Further, the inside top wall of described upper shell 20 is fixed with resilient protection block 24, resilient protection block 24 is pressed against the top of miniature asepwirator pump 2.
Further, the wall that described box body 53 and dividing plate 15 are pressed against mutually have at least two seal grooves.Be nested with sealing strip 6 in seal groove, connecting through hole 51 is between two sealing strips 6, and sealing strip 6 elasticity is pressed against on dividing plate 15.
Further, the top of described upper shell 20 has button pass through hole 25, control lever 26 sleeve is in button pass through hole 25, the lower outside wall of control lever 26 has radial extension edge 261, spring 27 sleeve is in the lower end of control lever 26, radial extension edge 261 is put forth effort in the upper end of spring 27, and the lower end of spring 27 is put forth effort on the housing of gauge tap 5, and the button portion of gauge tap 5 is immediately below control lever 26.
It presses control lever 26 by hand, control lever 26 is made to be pressed against the button portion of gauge tap 5, open miniature asepwirator pump 2, thus make dust by hairbrush and air inlet through hole 13, enter miniature asepwirator pump 2, and then enter in dust-collecting box 50 by passage 151, its miniature asepwirator pump 2 volume is little, make whole blackboard eraser volume little, conveniently grip and carry.
When needs carry out taking-up dust-collecting box 50, only need firmly to dig and renovate 21, can take out.
When needs cleaning blackboard eraser overall structure, only need firmly to be pulled down by base plate 10, base plate 10 can be separated with upper shell 20, its internal structure all directly can take out cleaning, very convenient.
Finally; above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification, therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (7)
1. a novel blackboard eraser, comprise base plate (10) and upper shell (20), it is characterized in that: the upper plane of described base plate (10) has the annular wall extension (11) upwards extended, the outer wall of annular wall extension (11) has shrinkage pool (12), bulb plunger (1) is bolted with in the through hole that is spirally connected that the lower inside wall of upper shell (20) has, annular wall extension (11) sleeve is in the bottom of upper shell (20), the steel ball of bulb plunger (1) is nested in corresponding shrinkage pool (12), base plate (10) has multiple air inlet through hole (13), the bottom surface of base plate (10) is fixed with hairbrush layer (30),
Connecting plate (14) is inserted with in described annular wall extension (11), connecting plate (14) is fixed with miniature asepwirator pump (2), battery (3) and control mainboard (4), miniature asepwirator pump (2) is electrically connected with control mainboard (4), battery (3) is electrically connected with control mainboard (4), control mainboard (4) is electrically connected with gauge tap (5), the bottom surface of connecting plate (14) has cavity (141), cavity (141) communicates with air inlet through hole (13), the inlet end of miniature asepwirator pump (2) communicates with cavity (141), connecting plate (14) is fixed with dividing plate (15), there is in dividing plate (15) passage (151), passage (151) communicates with the outlet side of miniature asepwirator pump (2), connecting plate (14) is placed with dust-collecting box (50), dust-collecting box (50) holding is between dividing plate (15) and annular wall extension (11), the upper portion side wall of dust-collecting box (50) has connecting through hole (51), connecting through hole (51) communicates with the other end of passage (151).
2. a kind of novel blackboard eraser according to claim 1, it is characterized in that: the side of described upper shell (20) has cell body, be coated with in cell body and renovate (21), the one end of renovating (21) is hinged on upper shell (20), the other end madial wall renovating (21) has irony block (22), on the permanent magnet (16) that the top that irony block (22) is adsorbed on annular wall extension (11) has.
3. a kind of novel blackboard eraser according to claim 2, it is characterized in that: described in renovate (21) madial wall on be fixed with elastic press (23), elastic press (23) is pressed against on the top lid (52) of dust-collecting box (50).
4. a kind of novel blackboard eraser according to claim 3, it is characterized in that: described dust-collecting box (50) comprises box body (53) and top lid (52), the inside top wall of box body (53) is fixed with permanent magnetism iron bar (54), top lid (52) covers the top in box body (53), the bottom surface edge of top lid (52) has iron block (55), iron block (55) is adsorbed on permanent magnetism iron bar (54), and the upper portion side wall of box body (53) has connecting through hole (51).
5. a kind of novel blackboard eraser according to claim 1; it is characterized in that: the inside top wall of described upper shell (20) is fixed with resilient protection block (24), resilient protection block (24) is pressed against the top of miniature asepwirator pump (2).
6. a kind of novel blackboard eraser according to claim 4, is characterized in that: the wall that described box body (53) and dividing plate (15) are pressed against mutually has at least two seal grooves.Be nested with sealing strip (6) in seal groove, connecting through hole (51) is between two sealing strips (6), and sealing strip (6) elasticity is pressed against on dividing plate (15).
7. a kind of novel blackboard eraser according to claim 1, it is characterized in that: the top of described upper shell (20) has button pass through hole (25), control lever (26) sleeve is in button pass through hole (25), the lower outside wall of control lever (26) has radial extension edge (261), spring (27) sleeve is in the lower end of control lever (26), radial extension edge (261) is put forth effort in the upper end of spring (27), the lower end of spring (27) is put forth effort on the housing of gauge tap (5), the button portion of gauge tap (5) is immediately below control lever (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644302.7A CN105150728A (en) | 2015-10-06 | 2015-10-06 | Novel blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644302.7A CN105150728A (en) | 2015-10-06 | 2015-10-06 | Novel blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105150728A true CN105150728A (en) | 2015-12-16 |
Family
ID=54791902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510644302.7A Pending CN105150728A (en) | 2015-10-06 | 2015-10-06 | Novel blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105150728A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251538A (en) * | 2016-09-26 | 2016-12-21 | 东莞市联洲知识产权运营管理有限公司 | A kind of door body infrared ray security device of easy installation and removal |
| CN106384462A (en) * | 2016-09-26 | 2017-02-08 | 东莞市联洲知识产权运营管理有限公司 | Door body infrared security equipment |
| CN108725048A (en) * | 2018-05-30 | 2018-11-02 | 戴上 | A kind of writing on the blackboard processing teaching aid |
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| WO2004045782A2 (en) * | 2002-11-19 | 2004-06-03 | Smc Korea Co., Ltd | An electromotive chalk eraser |
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| CN201214350Y (en) * | 2008-03-25 | 2009-04-01 | 邵宇龙 | Energy source-free automatic dust-absorption eraser |
| CN201538169U (en) * | 2009-07-06 | 2010-08-04 | 李翔鹏 | Blackboard eraser |
| CN201872494U (en) * | 2010-12-07 | 2011-06-22 | 王亭 | Dust-absorbing blackboard eraser |
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| CN204644649U (en) * | 2015-03-03 | 2015-09-16 | 湖州申祥丝织有限责任公司 | A kind of stand arrangement of liquid flow hank dyeing machine |
| CN204670976U (en) * | 2015-06-08 | 2015-09-30 | 上虞市日天塑料制品有限公司 | A kind of coffee-mill |
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-
2015
- 2015-10-06 CN CN201510644302.7A patent/CN105150728A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004045782A2 (en) * | 2002-11-19 | 2004-06-03 | Smc Korea Co., Ltd | An electromotive chalk eraser |
| KR20040092070A (en) * | 2003-04-24 | 2004-11-03 | 에스엠씨코리아 주식회사 | Electromotion Board Eraser |
| CN201214350Y (en) * | 2008-03-25 | 2009-04-01 | 邵宇龙 | Energy source-free automatic dust-absorption eraser |
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| CN204670976U (en) * | 2015-06-08 | 2015-09-30 | 上虞市日天塑料制品有限公司 | A kind of coffee-mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251538A (en) * | 2016-09-26 | 2016-12-21 | 东莞市联洲知识产权运营管理有限公司 | A kind of door body infrared ray security device of easy installation and removal |
| CN106384462A (en) * | 2016-09-26 | 2017-02-08 | 东莞市联洲知识产权运营管理有限公司 | Door body infrared security equipment |
| CN108725048A (en) * | 2018-05-30 | 2018-11-02 | 戴上 | A kind of writing on the blackboard processing teaching aid |
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