CN206242763U - A kind of blackboard eraser for being convenient for changing rubbing head - Google Patents
A kind of blackboard eraser for being convenient for changing rubbing head Download PDFInfo
- Publication number
- CN206242763U CN206242763U CN201621064068.7U CN201621064068U CN206242763U CN 206242763 U CN206242763 U CN 206242763U CN 201621064068 U CN201621064068 U CN 201621064068U CN 206242763 U CN206242763 U CN 206242763U
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- China
- Prior art keywords
- plate
- rubbing head
- slot
- air bag
- plate body
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Abstract
The utility model discloses a kind of blackboard eraser for being convenient for changing rubbing head, including plate body, air bag and rubbing head, the plate body upper end is provided with air bag, and the top left side of air bag is provided with air inlet, stopper is equipped with air inlet；The air bag upper center is provided with handle, and handle upper end left side is provided with contiguous block, jointed shaft is provided with contiguous block, and expansion link is hinged with jointed shaft；The plate body middle part is provided with slot, and plate is correspondingly arranged in slot, and the top and bottom of slot are respectively arranged with some upper suckers and lower sucker；The lower end left and right sides of the plate body is fixedly installed side plate, chute is set on side plate, rubbing head is provided between side plate, rubbing head includes hairbrush body and the clamping plate fixed with hairbrush body or so two ends, it is the utility model simple structure, reasonable in design, the dust produced when erasing the board can be effectively taken out, it is convenient that blackboard higher position is wiped, and conveniently rubbing head is changed.
Description
Technical field
The utility model is related to a kind of blackboard eraser, specifically a kind of blackboard eraser for being convenient for changing rubbing head.
Background technology
With continuing to develop for China's economy, educational undertaking is also evolving, and government and street levels are to educating also increasingly
It is concerned about, people could cause that country moves towards rich and powerful this point and firmlys believe to only education, so annual country is to educational undertaking
It is dropped in and continues to increase；Along with the development of educational undertaking, the education appliances for producing therewith are also being on the increase, although science and technology
Progress cause that multimedia education has swift and violent development, but the utensil that traditional education is used remains on the ground for being seized of Chinese medicine
Position, blackboard eraser is exactly important one kind in traditional education appliances；Chinese patent (Authorization Notice No.：The U of CN 204398705) it is public
Opened one kind can with Blackboard eraser capable of absorbing dust, though its dust for being produced when can effectively remove and erase the board during work,
But function is more single, it is impossible to which the chalk oneself to blackboard higher position is wiped, especially the student of which primary grades or
The shorter teacher of person, and blackboard eraser is after long-time use, what is be usually easily damaged is rubbing head, and elsewhere one
As be all it is intact, if rubbing head damage, just whole blackboard eraser is changed, unnecessary wave can be caused
Take；Therefore, for the problem proposed in above-mentioned background technology, those skilled in the art propose a kind of new blackboard eraser.
Utility model content
The purpose of this utility model is to provide a kind of blackboard eraser for being convenient for changing rubbing head, with solving above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of blackboard eraser for being convenient for changing rubbing head, including plate body, air bag and rubbing head, the plate body upper end are provided with air bag,
The top left side of air bag is provided with air inlet, and stopper is equipped with air inlet；The air bag upper center is provided with handle,
Handle outer surface is provided with soft set, and handle upper end left side is provided with contiguous block, jointed shaft is provided with contiguous block, cut with scissors on jointed shaft
It is connected to expansion link；The plate body middle part is provided with slot, and the openend of slot is located at the right side of plate body, is correspondingly arranged in slot
Plate, is provided with projection on the right side of plate；The top and bottom of the slot are respectively arranged with some upper suckers and lower sucker, on
The top and bottom of sucker are connected with the bottom of air bag and the top of slot respectively, the top and bottom of lower sucker respectively with slot
Bottom and plate body bottom connection；The lower end left and right sides of the plate body is fixedly installed side plate, is all provided with the side plate of both sides
Chute is equipped with, rubbing head is provided between the side plate of both sides；The rubbing head includes hairbrush body and the folder fixed with hairbrush body or so two ends
Plate, clamping plate is fixedly connected by latch with side plate, and the pin hole corresponding with latch is provided with clamping plate and side plate.
Further, the center vertical line of upper sucker and lower sucker is on same straight line.
Further, the sliding block cooperated with chute is provided with the clamping plate.
Compared with prior art, the utility model is by by pressuring gasbag so that negative pressure is formed in air bag, erase the board when
Wait, the dust of generation is drawn into air bag by upper sucker and lower sucker, prevent dust from being impacted to health；Simultaneously
Can be wiped by jointed shaft and the convenient place higher to blackboard of expansion link, facilitate shorter teacher or student
Use；Can facilitate finally by the cooperation of chute and sliding block and rubbing head is changed, latch is fixed to rubbing head, very just
Just, resource has effectively been saved.
Brief description of the drawings
Fig. 1 changes the structural representation of the blackboard eraser of rubbing head for convenience.
Fig. 2 changes the top view of the blackboard eraser of rubbing head for convenience.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1-2, a kind of blackboard eraser for being convenient for changing rubbing head, including plate body 7, air bag 6 and rubbing head, the plate body 7
Upper end is provided with air bag 6, and the top left side of air bag 6 is provided with air inlet 5, air inlet 5 and is equipped with stopper 4；The gas
The upper center of capsule 6 is provided with handle 3, and the outer surface of handle 3 is provided with soft set, and the upper end of handle 3 left side is provided with contiguous block 2, connects
Jointed shaft is provided with block 2, expansion link 1 is hinged with jointed shaft；The middle part of the plate body 7 is provided with slot 9, the opening of slot 9
End is correspondingly arranged on plate 10 in the right side of plate body 7, slot 9, and the right side of plate 10 is provided with projection；The slot 9
Top and bottom are respectively arranged with some upper suckers 8 and lower sucker 11, the top and bottom of upper sucker 8 respectively with the bottom of air bag 6
The top of end and slot 9 connects, and the top and bottom of lower sucker 11 are connected with the bottom of slot 9 and the bottom of plate body 7 respectively, on
The center vertical line of sucker 8 and lower sucker 11 is on same straight line；The lower end left and right sides of the plate body 7 is fixedly installed side plate
16, chute 15 is provided with the side plate 16 of both sides, it is provided with rubbing head between both sides side plate 16；The rubbing head includes hairbrush body 12
And the clamping plate 14 fixed with the two ends of hairbrush body 12 or so, the sliding block 18 cooperated with chute 15, clamping plate are provided with clamping plate 14
14 are fixedly connected by latch 17 with side plate 16, and the pin hole corresponding with latch 17 is provided with clamping plate 14 and side plate 16,
Originally it is convenient for changing the blackboard eraser of rubbing head when in use, first stopper 4 is opened from air inlet 5, by pressuring gasbag 6, while will
Plate 10 is inserted into slot 9, after the certain air of discharge in air bag 6, stopper 4 is blocked into air inlet 5, then by plate 10
Extracted out in from slot 9, be now negative pressure in air bag 6, when erasing the board, the dust of generation is by upper sucker 8 and lower sucker
11 are inhaled into air bag 6, prevent dust from flying upward everywhere；Usually when erasing the board, blackboard eraser can be held by handle 3 and is entered
OK, the soft set for being set on handle 3 can allow people more comfortable when catching handle 3, be carried out when the chalk dust to higher position is needed
When wiping, can be by adjusting jointed shaft and expansion link 1, it is possible to which the blackboard to higher position wipe；Simultaneously
Can be facilitated by the cooperation of chute 15 and sliding block 18 and rubbing head is changed, latch 17 is fixed to rubbing head, very convenient,
Other positions can use as usual, and the benefit of do so is exactly to economize on resources.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (3)
1. a kind of blackboard eraser for being convenient for changing rubbing head, including plate body, air bag and rubbing head, it is characterised in that the plate body upper end sets
Air bag is equipped with, the top left side of air bag is provided with air inlet, stopper is equipped with air inlet；The air bag upper center sets
Handle is equipped with, handle outer surface is provided with soft set, and handle upper end left side is provided with contiguous block, jointed shaft is provided with contiguous block,
Expansion link is hinged with jointed shaft；The plate body middle part is provided with slot, and the openend of slot is located at the right side of plate body, in slot
Plate is correspondingly arranged on, projection is provided with the right side of plate；The top and bottom of the slot are respectively arranged with some upper suckers
With lower sucker, the top and bottom of upper sucker are connected with the bottom of air bag and the top of slot respectively, the upper end of lower sucker and under
End is connected with the bottom of slot and the bottom of plate body respectively；The lower end left and right sides of the plate body is fixedly installed side plate, both sides
Side plate on be provided with chute, be provided with rubbing head between the side plate of both sides；The rubbing head includes hairbrush body and with hairbrush body or so
The clamping plate that two ends are fixed, clamping plate is fixedly connected with side plate by latch, is provided with clamping plate and side plate corresponding with latch
Pin hole.
2. the blackboard eraser for being convenient for changing rubbing head according to claim 1, it is characterised in that the center of upper sucker and lower sucker
Vertical line is on same straight line.
3. the blackboard eraser for being convenient for changing rubbing head according to claim 1, it is characterised in that be provided with the clamping plate and cunning
The sliding block that groove cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064068.7U CN206242763U (en) | 2016-09-19 | 2016-09-19 | A kind of blackboard eraser for being convenient for changing rubbing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064068.7U CN206242763U (en) | 2016-09-19 | 2016-09-19 | A kind of blackboard eraser for being convenient for changing rubbing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206242763U true CN206242763U (en) | 2017-06-13 |
Family
ID=58995421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621064068.7U Expired - Fee Related CN206242763U (en) | 2016-09-19 | 2016-09-19 | A kind of blackboard eraser for being convenient for changing rubbing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206242763U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822302A (en) * | 2017-11-14 | 2018-03-23 | 镇江三江刷业有限公司 | A kind of paintbrush for being conveniently replaceable brush |
| CN111216476A (en) * | 2020-01-21 | 2020-06-02 | 吴小花 | Blackboard eraser with self-dust-collection cleaning function |
| CN111959167A (en) * | 2020-08-13 | 2020-11-20 | 安徽信息工程学院 | Blackboard eraser structure |
-
2016
- 2016-09-19 CN CN201621064068.7U patent/CN206242763U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822302A (en) * | 2017-11-14 | 2018-03-23 | 镇江三江刷业有限公司 | A kind of paintbrush for being conveniently replaceable brush |
| CN111216476A (en) * | 2020-01-21 | 2020-06-02 | 吴小花 | Blackboard eraser with self-dust-collection cleaning function |
| CN111959167A (en) * | 2020-08-13 | 2020-11-20 | 安徽信息工程学院 | Blackboard eraser structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20180919 |