CN204020346U - Containable blackboard eraser - Google Patents
Containable blackboard eraser Download PDFInfo
- Publication number
- CN204020346U CN204020346U CN201420474670.2U CN201420474670U CN204020346U CN 204020346 U CN204020346 U CN 204020346U CN 201420474670 U CN201420474670 U CN 201420474670U CN 204020346 U CN204020346 U CN 204020346U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- folding
- wall
- bodies
- folding bodies
- 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
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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model discloses a kind of Containable blackboard eraser, it comprises two symmetrical folding bodies (1), the bottom of described two folding bodies (1) connects by the bearing pin (2) that is set with return spring, on the outer wall of each folding body (1), be installed with finger holding tank (3), middle part at interconnective described two folding bodies (1) is provided with through hole, in described through hole, be provided with and stretch into the depression bar with press handle (4) (5) that holds storehouse in described folding body (1), the other end of described depression bar (4) is provided with the blackboard eraser body (6) with bristle, between the top inner wall of the surrounding outer wall of described blackboard eraser body (6) and described two folding bodies (1), be provided with the ribbon (8) with fine hair, adopt said structure, realized effect easy to use, pollution-free, can to keep surrounding enviroment health.
Description
Technical field
The utility model relates to a kind of teaching aid, relates in particular to a kind of Containable blackboard eraser.
Background technology
Current blackboard eraser in use can produce a large amount of dust, after being finished, leaves about everywhere, has not only polluted surrounding enviroment, and the use that has affected the healthy teachers and students of returning of teachers and students is made troubles.
Summary of the invention
The purpose of this utility model is to provide a kind of easy to use, pollution-free, Containable blackboard eraser that can keep surrounding enviroment health.
The technical solution of the utility model is a kind of Containable blackboard eraser, it is characterized in that: it comprises two symmetrical folding bodies 1, the bottom of described two folding bodies 1 connects by the bearing pin 2 that is set with return spring, on the outer wall of each folding body 1, be installed with finger holding tank 3, middle part at interconnective described two folding bodies 1 is provided with through hole, in described through hole, be provided with and stretch into the depression bar 5 with press handle 4 that holds storehouse in described folding body 1, the other end of described depression bar 4 is provided with the blackboard eraser body 6 with bristle, between the surrounding outer wall of described blackboard eraser body 6 and the top inner wall of described two folding bodies 1, be provided with the ribbon 8 with fine hair.
The technical solution of the utility model is provided with Compress Spring 7 in addition between described depression bar 5 and described blackboard eraser body 6.
The technical solution of the utility model is separately installed with direct current air-introduced machine 9 in addition on the inwall of each described folding body 1.
The beneficial effects of the utility model are that the bottom of two folding bodies 1 is connected by the bearing pin 2 that is set with return spring, on the outer wall of each folding body 1, be installed with finger holding tank 3, middle part at interconnective described two folding bodies 1 is provided with through hole, in described through hole, be provided with and stretch into the depression bar 5 with press handle 4 that holds storehouse in described folding body 1, the other end of described depression bar 4 is provided with the blackboard eraser body 6 with bristle, between the surrounding outer wall of described blackboard eraser body 6 and the top inner wall of described two folding bodies 1, is provided with the ribbon 8 with fine hair, when blackboard wiping, hand is placed in two finger holding tanks 3 of two folding bodies 1 and applies external force two folding bodies 1 are launched to the press handle 4 of the low moulded rod 5 of palm simultaneously around bearing pin 2, because the other end of depression bar 4 is provided with the blackboard eraser body 6 with bristle, by just erasable blackboard of the bristle on blackboard eraser body 6, again owing to being provided with the ribbon 8 with fine hair between the surrounding outer wall at blackboard eraser body 6 and the top inner wall of described two folding bodies 1, sticky the floating on the fine hair of ribbon 8 of chalk dust under wiping in blackboard wiping, avoid chalk dust to fly upward everywhere, can also on the inwall of each described folding body 1, be separately installed with direct current air-introduced machine 9 chalk dust is absorbed to holding in storehouse that two folding bodies 1 form by the gap of ribbon 8 by being arranged on, after the complete blackboard of wiping, external force in two finger holding tanks 3 of two folding bodies 1 is removed, under the return spring effect being set with at bearing pin 2, two folding bodies 1 close up, simultaneously under Compress Spring 7 effects between depression bar 5 and described blackboard eraser body 6, blackboard eraser body 6 shrinks, the dust holding in storehouse blackboard eraser body 6 and ribbon 8 and two folding bodies 1 being formed by two folding bodies 1 is together incorporated between the two folding bodies 1 that close up, and has realized effect easy to use, pollution-free, can to keep surrounding enviroment health.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model
Fig. 2 is the left view of Fig. 1
Structure chart when Fig. 3 is the utility model expansion
Fig. 4 is the top view of Fig. 3
In Fig. 1,2,3,41, folding body, 2, bearing pin, 3, holding tank, 4, press handle, 5, depression bar, 6, blackboard eraser body, 7, Compress Spring, 8, ribbon, 9, direct current air-introduced machine.
Detailed description of the invention
According to Fig. 1, 2, 3, shown in 4, the utility model relates to a kind of Containable blackboard eraser, it comprises two symmetrical folding bodies 1, the bottom of described two folding bodies 1 connects by the bearing pin 2 that is set with return spring, on the inwall of each described folding body 1, be separately installed with direct current air-introduced machine 9, on the outer wall of each folding body 1, be installed with finger holding tank 3, middle part at interconnective described two folding bodies 1 is provided with through hole, in described through hole, be provided with and stretch into the depression bar 5 with press handle 4 that holds storehouse in described folding body 1, the other end of described depression bar 4 is provided with the blackboard eraser body 6 with bristle, between described depression bar 5 and described blackboard eraser body 6, be provided with Compress Spring 7, between the surrounding outer wall of described blackboard eraser body 6 and the top inner wall of described two folding bodies 1, be provided with the ribbon 8 with fine hair, when blackboard wiping, hand is placed in two finger holding tanks 3 of two folding bodies 1 and applies external force two folding bodies 1 are launched to the press handle 4 of the low moulded rod 5 of palm simultaneously around bearing pin 2, because the other end of depression bar 4 is provided with the blackboard eraser body 6 with bristle, by just erasable blackboard of the bristle on blackboard eraser body 6, again owing to being provided with the ribbon 8 with fine hair between the surrounding outer wall at blackboard eraser body 6 and the top inner wall of described two folding bodies 1, sticky the floating on the fine hair of ribbon 8 of chalk dust under wiping in blackboard wiping, avoid chalk dust to fly upward everywhere, can also on the inwall of each described folding body 1, be separately installed with direct current air-introduced machine 9 chalk dust is absorbed to holding in storehouse that two folding bodies 1 form by the gap of ribbon 8 by being arranged on, after the complete blackboard of wiping, external force in two finger holding tanks 3 of two folding bodies 1 is removed, under the return spring effect being set with at bearing pin 2, two folding bodies 1 close up, simultaneously under Compress Spring 7 effects between depression bar 5 and described blackboard eraser body 6, blackboard eraser body 6 shrinks, the dust holding in storehouse blackboard eraser body 6 and ribbon 8 and two folding bodies 1 being formed by two folding bodies 1 is together incorporated between the two folding bodies 1 that close up, and has realized effect easy to use, pollution-free, can to keep surrounding enviroment health.
Claims (3)
1. a Containable blackboard eraser, it is characterized in that: it comprises two symmetrical folding bodies (1), the bottom of described two folding bodies (1) connects by the bearing pin (2) that is set with return spring, on the outer wall of each folding body (1), be installed with finger holding tank (3), middle part at interconnective described two folding bodies (1) is provided with through hole, in described through hole, be provided with and stretch into the depression bar with press handle (4) (5) that holds storehouse in described folding body (1), the other end of described depression bar (4) is provided with the blackboard eraser body (6) with bristle, between the top inner wall of the surrounding outer wall of described blackboard eraser body (6) and described two folding bodies (1), be provided with the ribbon (8) with fine hair.
2. Containable blackboard eraser according to claim 1, is characterized in that: between described depression bar (5) and described blackboard eraser body (6), be provided with Compress Spring (7).
3. Containable blackboard eraser according to claim 1 and 2, is characterized in that: on the inwall of each described folding body (1), be separately installed with direct current air-introduced machine (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474670.2U CN204020346U (en) | 2014-08-17 | 2014-08-17 | Containable blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474670.2U CN204020346U (en) | 2014-08-17 | 2014-08-17 | Containable blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204020346U true CN204020346U (en) | 2014-12-17 |
Family
ID=52060252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420474670.2U Expired - Fee Related CN204020346U (en) | 2014-08-17 | 2014-08-17 | Containable blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204020346U (en) |
-
2014
- 2014-08-17 CN CN201420474670.2U patent/CN204020346U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20141217 Termination date: 20150817 |
|
| EXPY | Termination of patent right or utility model |