CN204506272U - A kind of dust-proof blackboard eraser - Google Patents
A kind of dust-proof blackboard eraser Download PDFInfo
- Publication number
- CN204506272U CN204506272U CN201520012366.0U CN201520012366U CN204506272U CN 204506272 U CN204506272 U CN 204506272U CN 201520012366 U CN201520012366 U CN 201520012366U CN 204506272 U CN204506272 U CN 204506272U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- core
- wiping
- wiping core
- 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
Links
- 210000005056 cell body Anatomy 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 239000000806 elastomer Substances 0.000 claims abstract description 4
- 239000002390 adhesive tape Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 1
- 208000030303 breathing problems Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of dust-proof blackboard eraser, comprise: housing (1), it comprises bottom surface (11) and to be integrally fixedly connected with limit, described bottom surface (11) four and to the side (12) of downward-extension, and surrounds cell body (13) between described bottom surface (11) and described side (12); Wipe core (2), it is elastomer, comprise stiff end and free end, described wiping core (2) is embedded in described cell body (13), and the stiff end of described wiping core (2) is connected with described bottom surface (11), all leave between the surrounding of described wiping core (2) and described side (12) and store up dirt space (14), and described wiping core (2) is by after outer force compresses, the bottom of its free end end face and described side (12) simultaneously; It is simple that this blackboard eraser has structure, reasonable in design, easy to use, the advantages such as cleaning effect is good, and anti-dust performance is high, and cost of manufacture is cheap.
Description
Technical field
The utility model relates to realia, specifically provides a kind of dust-proof blackboard eraser.
Background technology
The a large amount of dust produced owing to erasing the board are the significant problems of puzzlement academics and students always, at present, chalk dust is one of important arch-criminal bringing out teacher's breathing problem always, chalk dust is also one of pollution source of classroom environment simultaneously, how can effectively solve the dust produced in the process of erasing the board, pollution is dropped to minimum, become the problem of people's growing interest.
At present, market also occurs some are for dust-proof blackboard eraser, but the structure of these blackboard erasers is comparatively complicated often, needs the structure of adding fan or water injector in original blackboard eraser body, be inconvenient to use, and cost is higher.
Therefore, research and develop a kind of structure simple, dust-proof blackboard eraser with low cost, becomes people's problem demanding prompt solution.
Utility model content
Given this, the purpose of this utility model is to provide a kind of dust-proof blackboard eraser, at least to solve the problem such as complex structure, cost of manufacture height that blackboard eraser in the past exists.
The technical scheme that the utility model provides is specially, and a kind of dust-proof blackboard eraser, is characterized in that, comprising:
Housing 1, it comprises bottom surface 11 and to be integrally fixedly connected with limit, described bottom surface 11 4 and to the side 12 of downward-extension, and surrounds cell body 13 between described bottom surface 11 and described side 12;
Wipe core 2, it is elastomer, comprise stiff end and free end, described wiping core 2 is embedded in described cell body 13, and the stiff end of described wiping core 2 is connected with described bottom surface 11, all leave between the surrounding of described wiping core 2 and described side 12 and store up dirt space 14, and described wiping core 2 is by after outer force compresses, the bottom of its free end end face and described side 12 simultaneously.
Preferably, the bottom of described side 12 is provided with adhesive tape 121.
Further preferably, be provided with snap ring 111 in the middle part of the inner surface of described bottom surface 11, described wiping core 2 is fixed in described snap ring 111.
Further preferably, corresponding in described housing 1 side 12 is respectively arranged with the groove 122 to described cell body 13 direction depression.
Further preferably, the outer surface of described groove 122 is rubbing surface.
The dust-proof blackboard eraser that the utility model provides, there is housing and wipe core two parts and form, and wiping core is wrapped in cell body by housing entirety, be provided with between the surrounding of wiping core and the side of housing and store up dirt space, when erasing the board, deformation can be there is under the extruding of blackboard owing to wiping core, make the bottom of the free end end face of wiping core and side simultaneously, therefore, wiping core can be in the confined space that is made up of housing and blackboard, carry out wiping, and produce dust and can fall in the storage dirt space of wiping between core and side, prevent from the process that in the past erases the board, producing the dust danced in the air all over the sky, achieve dust-proof object, in addition, wiping core is in the compressible state, carries out wiping work, therefore, the laminating degree of itself and blackboard improves further, thus effectively improves the cleannes that this blackboard eraser carries out erasing the board, and then ensure that this blackboard eraser is while thoroughly can removing chalk trace, can also reach dust-proof function.
The dust-proof blackboard eraser that the utility model provides, has structure simple, reasonable in design, easy to use, the advantages such as cleaning effect is good, and anti-dust performance is high, and cost of manufacture is cheap.
Accompanying drawing explanation
Fig. 1 is the split-type structural representation of dust-proof blackboard eraser;
Fig. 2 is the structural representation of dust-proof blackboard eraser.
Detailed description of the invention
Below in conjunction with concrete embodiment, the utility model is further expalined, but is not limited to protection domain of the present utility model.
In order to solve dust-proof blackboard eraser in the past, there is complex structure, the problems such as cost of manufacture is high, present embodiment provides a kind of dust-proof blackboard eraser, see Fig. 1, Fig. 2, this blackboard eraser is made up of housing 1 and wiping core 2 two parts, wherein, the concrete structure of housing 1 is, comprises bottom surface 11 and to be integrally fixedly connected with limit, bottom surface 11 4 and to the side 12 of downward-extension, and surround cell body 13 between bottom surface 11 and side 12, this housing 1 can adopt integrated placingJi Shu to complete, convenient making, and with low cost; And wipe core 2 for elastomer, sponge or cotton-wool etc. can be selected to have flexible material form, this wiping core 2 comprises stiff end and free end, described wiping core 2 is embedded in described cell body 13, and the wiping stiff end of core 2 is connected with the bottom surface 11 in housing 1, all leave between the surrounding of wiping core 2 and the side 12 of housing 1 and store up dirt space 14, this storage dirt space 14 can be used for the storage producing dust in blackboard wiping process, and this wiping core 2 is by after outer force compresses, and the bottom of its free end end face and described side 12 simultaneously.
Dust-proof blackboard eraser in the present embodiment, structure is simple, easy to use, dust-proof effect is good, when using it to carry out blackboard wiping, only need the housing of hand-held blackboard eraser, and blackboard eraser is pressed to blackboard direction and moves, , and in the process of pressing, wipe core and can produce deformation due to the effect being subject to external force, and the bottom of wiping the free end of core and side after deformation simultaneously, thus guarantee that wiping core is in the confined space that is made up of housing and blackboard, therefore, can guarantee that the dust that wiping core produces in blackboard wiping process can not be raised outward, between the surrounding of wiping core and side, be also provided with storage dirt space simultaneously, storage after dropping for dust.
Due to when using blackboard eraser to carry out blackboard-cleaning, the bottom of side directly contacts with blackboard, the bottom producing noise or side in the process of wiping to prevent mobile blackboard contacts tight not with blackboard, produce the phenomenon of raising outside dust, as the improvement of technical scheme, the bottom of side 12 is provided with adhesive tape 121, because adhesive tape is soft materials, can effectively avoid blackboard eraser to move be produce harsh noise, also improve the tightness that bottom, side contacts with blackboard simultaneously, further increase dust-proof effect.And the mode that bottom, side 12 arranges adhesive tape 121 can be selected multiple, such as, can be provided with the groove extended along its circumference in the bottom of side 12, and adhesive tape 121 is embedded in this groove just; Which kind of connected mode no matter simultaneously also the side of adhesive tape 121 can be provided with strip gab, and adhesive tape 121 is sleeved on bottom, side by this strip gab, be, as long as can ensure that connection is therebetween more stable.
In order to improve the firmness wiped in this blackboard eraser and be connected between core with housing bottom surface, as the improvement of technical scheme, see Fig. 2, snap ring 111 can be provided with in the middle part of the inner surface of bottom surface 11, and wipe core 2 and be fixed in described snap ring 111, realize it to the limit function with wiping core 2 by this snap ring, improve the firmness be connected between its with bottom surface.
The simultaneously housing of conveniently this blackboard eraser hand-held, improve the level of comfort using it to carry out blackboard-cleaning, as the improvement of technical scheme, see Fig. 1, side 12 corresponding is within the case 1 respectively arranged with the groove 122 to described cell body 13 direction depression, facilitates hand-held, the phenomenon generation of dropping to prevent this blackboard eraser hand-held from meeting accident, as the improvement of technical scheme, the outer surface of described groove 122 is designed to rubbing surface, to improve its anti-skidding degree.
Detailed description of the invention of the present utility model, is carry out writing according to the mode of going forward one by one, highlights the difference of each embodiment, and its similar portion can cross-reference, the not solution of influence technique problem and the generation of technique effect.
Claims (5)
1. a dust-proof blackboard eraser, is characterized in that, comprising:
Housing (1), it comprises bottom surface (11) and to be integrally fixedly connected with limit, described bottom surface (11) four and to the side (12) of downward-extension, and surrounds cell body (13) between described bottom surface (11) and described side (12);
Wipe core (2), it is elastomer, comprise stiff end and free end, described wiping core (2) is embedded in described cell body (13), and the stiff end of described wiping core (2) is connected with described bottom surface (11), all leave between the surrounding of described wiping core (2) and described side (12) and store up dirt space (14), and described wiping core (2) is by after outer force compresses, the bottom of its free end end face and described side (12) simultaneously.
2. according to dust-proof blackboard eraser described in claim 1, it is characterized in that: the bottom of described side (12) is provided with adhesive tape (121).
3. according to dust-proof blackboard eraser described in claim 1, it is characterized in that: be provided with snap ring (111) in the middle part of the inner surface of described bottom surface (11), described wiping core (2) is fixed in described snap ring (111).
4. according to dust-proof blackboard eraser described in claim 1, it is characterized in that: side (12) corresponding in described housing (1) is respectively arranged with the groove (122) to described cell body (13) direction depression.
5. according to dust-proof blackboard eraser described in claim 4, it is characterized in that: the outer surface of described groove (122) is rubbing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520012366.0U CN204506272U (en) | 2015-01-08 | 2015-01-08 | A kind of dust-proof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520012366.0U CN204506272U (en) | 2015-01-08 | 2015-01-08 | A kind of dust-proof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204506272U true CN204506272U (en) | 2015-07-29 |
Family
ID=53704273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520012366.0U Expired - Fee Related CN204506272U (en) | 2015-01-08 | 2015-01-08 | A kind of dust-proof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204506272U (en) |
-
2015
- 2015-01-08 CN CN201520012366.0U patent/CN204506272U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204506272U (en) | A kind of dust-proof blackboard eraser | |
| CN203344581U (en) | Environment-friendly blackboard brush | |
| CN204383021U (en) | Dust-proof blackboard eraser | |
| CN201913975U (en) | Double-faced blackboard eraser with convex mirror | |
| CN202935048U (en) | Dustproof blackboard eraser | |
| CN104366758A (en) | Teacher's glove | |
| CN202463377U (en) | Dust-free blackboard eraser | |
| CN202656705U (en) | Pen with eraser | |
| CN201211786Y (en) | Whiteboard | |
| CN202022016U (en) | Novel blackboard eraser | |
| CN211493438U (en) | Russian teaching show stand | |
| CN211222790U (en) | Dust-proof blackboard eraser and dust-proof blackboard eraser assembly | |
| CN202935043U (en) | Portable blackboard eraser | |
| CN203543464U (en) | Dustproof blackboard eraser | |
| CN202541141U (en) | Blackboard eraser | |
| CN201712374U (en) | Blackboard eraser | |
| CN205033814U (en) | Blackboard eraser is used in english teaching | |
| CN202965725U (en) | Dust absorbing eraser | |
| CN201881769U (en) | Blackboard eraser with mirror | |
| CN203046650U (en) | Dustproof blackboard eraser | |
| CN2704485Y (en) | Dustproof blackboard eraser | |
| CN201941454U (en) | Dustproof blackboard eraser | |
| CN201958014U (en) | Stationery case with pencil protection pad | |
| CN202918373U (en) | Mobile phone shell with eraser | |
| CN2913044Y (en) | Dust-proof blackboard eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160108 |