CN205344264U - Dustproof blackboard eraser composite set who uses in teaching - Google Patents
Dustproof blackboard eraser composite set who uses in teaching Download PDFInfo
- Publication number
- CN205344264U CN205344264U CN201620097297.2U CN201620097297U CN205344264U CN 205344264 U CN205344264 U CN 205344264U CN 201620097297 U CN201620097297 U CN 201620097297U CN 205344264 U CN205344264 U CN 205344264U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- rubber ring
- plastic foil
- cleaning plant
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a blackboard eraser, especially dustproof blackboard eraser composite set who uses in teaching, including blackboard eraser casing and blackboard eraser cleaning device, blackboard eraser casing outside cover is equipped with the plastic film sleeve, plastic film sleeve cavity sets up, the telescopic bottom of plastic film terminal surface is equipped with bottom elastic rubber ring, the telescopic top of plastic film terminal surface is equipped with top elastic rubber ring, bottom elastic rubber ring entangles blackboard eraser casing outside middle part, blackboard eraser casing outside middle part cooperation bottom elastic rubber ring is equipped with the annular groove. Its effect be the teacher when using the blackboard eraser hand stretch into in the plastic film sleeve and closely entangle teacher's wrist by top elastic rubber ring, like this the chalk dust just can not glue the teacher on hand, put the blackboard eraser casing on blackboard eraser cleaning device when the chalk dust that needs the clearance blackboard eraser and with top elastic rubber ring follow the teacher on hand the left -hand thread entangle blackboard eraser cleaning device upper portion, it is more convenient to clear up like this.
Description
Technical field
This utility model relates to a kind of blackboard eraser, the dust-proof blackboard eraser combination unit especially used in teaching.
Background technology
Teacher is in the process of blackboard wiping, and the chalk dust on blackboard eraser can stick chalk dust, and chalk dust is then not disposable.Study in the industry, such as Chinese patent discloses the dust-proof blackboard eraser combination unit used in a kind of Teaching of Economics, application number: 201420833045.2, the applying date: 2014-12-25, blackboard eraser housing, described blackboard eraser housing is placed in blackboard eraser cleaning plant, described blackboard eraser cleaning plant includes shell, described enclosure is provided with blackboard eraser dust remover, described blackboard eraser dust remover includes rotating shaft, described rotating shaft two ends are separately fixed on rolling bearing, described shaft bearing is embedded on described shell, one end of described rotating shaft is connected with swinging handle, described rotating shaft is provided with deashing sheet, in described housing, bristle is installed, described back side of shell is connected with dust cover, inside described dust cover, there is male means.
Technique scheme there is also deficiency: still has dust when teacher's blackboard wiping and directly falls in teacher on hand.
Summary of the invention
For the deficiencies in the prior art, the dust-proof blackboard eraser combination unit that during this utility model a kind of wiping of offer, chalk dust is tack-free.
The technical solution of the utility model is:
The dust-proof blackboard eraser combination unit used in teaching, including blackboard eraser housing and blackboard eraser cleaning plant, it is characterized in that, described blackboard eraser housing is placed in blackboard eraser cleaning plant, described blackboard eraser cleaning plant includes shell, described enclosure is provided with blackboard eraser dust remover, described blackboard eraser dust remover includes rotating shaft, described rotating shaft two ends are separately fixed on rolling bearing, described shaft bearing is embedded on described shell, one end of described rotating shaft is connected with swinging handle, described rotating shaft is provided with deashing sheet, in described housing, bristle is installed, described back side of shell is connected with dust cover, inside described dust cover, there is male means；
Described blackboard eraser hull outside is arranged with plastic foil sleeve, described plastic foil sleeve hollow is arranged, the bottom end face of described plastic foil sleeve is provided with bottom resilient cushion rubber, the top end face of described plastic foil sleeve is provided with top flexible rubber ring, described bottom resilient cushion rubber entangles in the middle part of blackboard eraser hull outside, coordinates bottom resilient cushion rubber to be provided with annular groove in the middle part of described blackboard eraser hull outside.Its effect be teacher when using blackboard eraser hands stretch in plastic foil sleeve and closely entangled teacher's wrist by top flexible rubber ring, such chalk dust would not be bonded at teacher on hand, being placed on blackboard eraser cleaning plant by blackboard eraser housing when needing the chalk dust of cleaning blackboard eraser and from teacher's left-hand thread on hand, top flexible rubber ring is entangled blackboard eraser cleaning plant top, so cleaning is more convenient.
Further, cooperation top, described blackboard eraser cleaning plant top flexible rubber ring is provided with annular groove, and top flexible rubber ring left-hand thread is entangled blackboard eraser cleaning plant top when being easy for cleaning chalk dust by its effect.
Further, described plastic foil sleeve adopts anti-puncture plastic foil, and its effect is to increase the service life.
Further, described blackboard eraser cleaning plant is provided with Z-shaped swinging handle, and its effect is laborsaving.
The beneficial effects of the utility model are: this utility model simple in construction, are made all not have dust when blackboard wiping and cleaning chalk dust by plastic foil sleeve and adhere to the hands of teacher, are beneficial to teaching and teachers ' health.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In figure, 1, blackboard eraser housing；2, blackboard eraser cleaning plant；3, plastic foil sleeve；4, top flexible rubber ring；5, bottom resilient cushion rubber.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further:
As shown in Figure 1, the dust-proof blackboard eraser combination unit used in teaching, including blackboard eraser housing 1 and blackboard eraser cleaning plant 2, it is characterized in that, described blackboard eraser housing 1 is placed in blackboard eraser cleaning plant 2, described blackboard eraser cleaning plant 2 includes shell, described enclosure is provided with blackboard eraser dust remover, described blackboard eraser dust remover includes rotating shaft, described rotating shaft two ends are separately fixed on rolling bearing, described shaft bearing is embedded on described shell, one end of described rotating shaft is connected with swinging handle, described rotating shaft is provided with deashing sheet, in described housing, bristle is installed, described back side of shell is connected with dust cover, inside described dust cover, there is male means；
Described blackboard eraser housing 1 outer sheath is provided with plastic foil sleeve 3, described plastic foil sleeve 3 hollow is arranged, the bottom end face of described plastic foil sleeve 3 is provided with bottom resilient cushion rubber 5, the top end face of described plastic foil sleeve 3 is provided with top flexible rubber ring 4, described bottom resilient cushion rubber 5 entangles the outer middle side part of blackboard eraser housing 1, and the outer middle side part of described blackboard eraser housing 1 coordinates bottom resilient cushion rubber 5 to be provided with annular groove.Its effect be teacher when using blackboard eraser hands stretch in plastic foil sleeve 3 and closely entangled teacher's wrist by top flexible rubber ring 4, such chalk dust would not be bonded at teacher on hand, being placed on blackboard eraser cleaning plant 2 by blackboard eraser housing 1 when needing the chalk dust of cleaning blackboard eraser and from teacher's left-hand thread on hand, top flexible rubber ring 4 is entangled blackboard eraser cleaning plant 2 top, so cleaning is more convenient.
Cooperation top, described blackboard eraser cleaning plant 2 top flexible rubber ring 4 is provided with annular groove, and top flexible rubber ring 4 left-hand thread is entangled blackboard eraser cleaning plant 2 top when being easy for cleaning chalk dust by its effect.
Described plastic foil sleeve 3 adopts anti-puncture plastic foil, and its effect is to increase the service life.
Described blackboard eraser cleaning plant 2 is provided with Z-shaped swinging handle, and its effect is laborsaving.
Described in above-described embodiment and description is that principle of the present utility model and most preferred embodiment are described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.
Claims (4)
1. the dust-proof blackboard eraser combination unit used in teaching, including blackboard eraser housing and blackboard eraser cleaning plant, it is characterized in that, described blackboard eraser housing is placed in blackboard eraser cleaning plant, described blackboard eraser cleaning plant includes shell, described enclosure is provided with blackboard eraser dust remover, described blackboard eraser dust remover includes rotating shaft, described rotating shaft two ends are separately fixed on rolling bearing, described shaft bearing is embedded on described shell, one end of described rotating shaft is connected with swinging handle, described rotating shaft is provided with deashing sheet, in described housing, bristle is installed, described back side of shell is connected with dust cover, inside described dust cover, there is male means；
Described blackboard eraser hull outside is arranged with plastic foil sleeve, described plastic foil sleeve hollow is arranged, the bottom end face of described plastic foil sleeve is provided with bottom resilient cushion rubber, the top end face of described plastic foil sleeve is provided with top flexible rubber ring, described bottom resilient cushion rubber entangles in the middle part of blackboard eraser hull outside, coordinates bottom resilient cushion rubber to be provided with annular groove in the middle part of described blackboard eraser hull outside.
2. the dust-proof blackboard eraser combination unit used in teaching according to claim 1, it is characterised in that: cooperation top, described blackboard eraser cleaning plant top flexible rubber ring is provided with annular groove.
3. the dust-proof blackboard eraser combination unit used in teaching according to claim 2, it is characterised in that: described plastic foil sleeve adopts anti-puncture plastic foil.
4. the dust-proof blackboard eraser combination unit used in teaching according to claim 3, it is characterised in that: described blackboard eraser cleaning plant is provided with Z-shaped swinging handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097297.2U CN205344264U (en) | 2016-01-28 | 2016-01-28 | Dustproof blackboard eraser composite set who uses in teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097297.2U CN205344264U (en) | 2016-01-28 | 2016-01-28 | Dustproof blackboard eraser composite set who uses in teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205344264U true CN205344264U (en) | 2016-06-29 |
Family
ID=56177931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620097297.2U Expired - Fee Related CN205344264U (en) | 2016-01-28 | 2016-01-28 | Dustproof blackboard eraser composite set who uses in teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205344264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050115A (en) * | 2018-07-13 | 2018-12-21 | 中山市民众锦标学校 | A kind of dust-proof chalk eraser |
-
2016
- 2016-01-28 CN CN201620097297.2U patent/CN205344264U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050115A (en) * | 2018-07-13 | 2018-12-21 | 中山市民众锦标学校 | A kind of dust-proof chalk eraser |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20170128 |