CN211106623U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN211106623U CN211106623U CN201922217156.6U CN201922217156U CN211106623U CN 211106623 U CN211106623 U CN 211106623U CN 201922217156 U CN201922217156 U CN 201922217156U CN 211106623 U CN211106623 U CN 211106623U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- outer body
- water injection
- storage box
- water storage
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000002347 injection Methods 0.000 claims abstract description 43
- 239000007924 injection Substances 0.000 claims abstract description 43
- 238000005507 spraying Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- -1 can carry the chalk Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a blackboard eraser, include: the body comprises an outer body and an inner body, wherein the inner body is arranged inside the outer body and is provided with an accommodating space; the chalk clamp seat is arranged at the top of the body; the water storage box is arranged in the accommodating space; the water injection hole is arranged on the inner body and connected with the water storage box, and penetrates through the outer body; the felt is arranged on the outer body and covers the water injection hole; the water injection switch is arranged outside the body and is connected with the water storage box; the telescopic rod is arranged at the top of the outer body. The blackboard eraser solves the technical problems that the blackboard eraser in the prior art is single in function and cannot meet various use requirements. The blackboard eraser has the advantages that multiple functions are integrated, and various use requirements are met.
Description
Technical Field
The utility model relates to a teaching aid technical field especially relates to a blackboard eraser.
Background
The blackboard eraser is an indispensable office supply in schools or other education places. After a teacher uses the chalk writing board to write in class, the chalk characters on the blackboard are cleared through the blackboard eraser, so that the blackboard can be recycled. When in use, a great deal of chalk dust is easy to generate, the dust has great influence on the body health of teachers and students, and meanwhile, the chalk dust is not flexible to use and has a single function.
The prior art is found to have at least the following technical problems:
the blackboard eraser in the prior art has a single function and cannot meet the technical problems of various use requirements.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a blackboard eraser has solved the blackboard eraser function singleness among the prior art, can not satisfy each operation requirement's technical problem.
In view of the above problem, an embodiment of the present invention provides a blackboard eraser, the blackboard eraser includes: the body comprises an outer body and an inner body, wherein the inner body is arranged inside the outer body and is provided with an accommodating space; the chalk clamp seat is arranged at the top of the body; the water storage box is arranged in the accommodating space; the water injection hole is arranged on the inner body and connected with the water storage box, and penetrates through the outer body; the felt is arranged on the outer body and covers the water injection hole; the water injection switch is arranged outside the body and is connected with the water storage box; the telescopic rod, one end of telescopic rod with the top of outer body is connected, the telescopic rod can surround the telescopic rod with the junction of the top of outer body is rotatory.
Preferably, the blackboard eraser further comprises: a magnet disposed at one side of the outer body.
Preferably, the blackboard eraser further comprises: and the reflector is arranged on the other side surface of the outer body.
Preferably, the blackboard eraser further comprises: the adhesive strip is arranged on the outer body and connected with the felt.
Preferably, the chalk holder is made of elastic materials.
Preferably, the outer body is connected with the inner body through a bolt.
Preferably, the blackboard eraser further comprises: and the water spraying port is arranged between the water injection switch and the water storage box.
Preferably, the blackboard eraser further comprises: a first spring disposed in the water injection switch; a second spring disposed in the spout.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
the embodiment of the utility model provides a blackboard eraser, blackboard eraser includes: the body comprises an outer body and an inner body, wherein the inner body is arranged inside the outer body and is provided with an accommodating space; the chalk clamp seat is arranged at the top of the body; the water storage box is arranged in the accommodating space; the water injection hole is arranged on the inner body and connected with the water storage box, and penetrates through the outer body; the felt is arranged on the outer body and covers the water injection hole; the water injection switch is arranged outside the body and is connected with the water storage box; the telescopic rod is arranged at the top of the outer body. The blackboard eraser solves the technical problems that the blackboard eraser in the prior art is single in function and cannot meet various use requirements. The blackboard eraser has the advantages that multiple functions are integrated, and various use requirements are met.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a blackboard eraser according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a chalk holder according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the adhesive tape in the embodiment of the present invention;
fig. 4 is a schematic structural view of the telescopic rod in the embodiment of the present invention.
Description of reference numerals: outer body 1, interior body 2, chalk holder 3, water storage box 4, water injection hole 5, felt 6, water injection switch 7, telescopic link 8, glue strip 9.
Detailed Description
An embodiment of the utility model provides a blackboard eraser for solve the blackboard eraser function singleness among the prior art, can not satisfy each operation requirement's technical problem.
The utility model provides a technical scheme overall thought as follows:
the body comprises an outer body and an inner body, wherein the inner body is arranged inside the outer body and is provided with an accommodating space; the chalk clamp seat is arranged at the top of the body; the water storage box is arranged in the accommodating space; the water injection hole is arranged on the inner body and connected with the water storage box, and penetrates through the outer body; the felt is arranged on the outer body and covers the water injection hole; the water injection switch is arranged outside the body and is connected with the water storage box; the telescopic rod is arranged at the top of the outer body. The blackboard eraser has the advantages that multiple functions are integrated, and various use requirements are met.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Fig. 1 is a schematic structural diagram of a blackboard eraser according to an embodiment of the present invention. The embodiment of the present invention provides a blackboard eraser, please refer to fig. 1-4, the blackboard eraser includes:
the body, the body includes outer body 1 and interior body 2, wherein, interior body sets up the inside of outer body, just, interior body has an accommodation space.
Further, the outer body 1 and the inner body 2 are connected through bolts.
Specifically, the body of the blackboard eraser is of a two-layer sleeving structure, the outer body is called as an outer body 1, the inner body structure is called as an inner body 2, connecting holes are formed in the tops of the inner body 2 and the outer body 1, the outer body 1 and the inner body 2 are connected together through bolts to form a shell structure of the blackboard eraser, and the inner body 2 is provided with an accommodating space which can be used for installing elements.
The chalk clamp holder 3 is arranged at the top of the body, and the chalk clamp holder 3 is arranged at the top of the body.
Further, the chalk holder 3 is made of elastic material.
Particularly, chalk holder 3 sets up the top of blackboard eraser for press from both sides and put the chalk, chalk holder 3 is made for having elastic material, can carry the chalk, drops in avoiding the use, just chalk holder 3's length is less than the length of chalk, is convenient for extract the chalk including placing, and it is convenient to use, and the time of getting the chalk has been practiced thrift to the time of class doctor in teacher's time of writing, can appear holding the condition that the chalk blackboard eraser was held to one hand usually, can directly take out reserve chalk from another manual blackboard eraser after the chalk in hand used up, and convenient and fast has practiced thrift the time of getting the chalk, makes whole teaching process link up more smoothly, improves professor's work efficiency.
And the water storage box 4 is arranged in the accommodating space.
And the water injection switch 7 is arranged outside the body, and is connected with the water storage box 4.
Further, the blackboard eraser further comprises: and the water spraying opening is arranged between the water injection switch 7 and the water storage box 4.
Further, the blackboard eraser further comprises: a first spring disposed in the water injection switch 7; a second spring disposed in the spout.
Specifically, a small water storage box 4 is arranged inside the blackboard eraser, the water storage box 4 is detachably mounted in the accommodating space of the inner body 2 and is located at the bottommost part of the accommodating space and used for storing small amount of water, a water outlet of the water storage box 4 is connected with a water injection switch 7, the water injection switch 7 is arranged on the outer body 1, the inside of the water storage box is connected with the water storage box 4, a water spray opening is arranged between the water storage box 4 and the water injection switch 7, namely the water spray opening and the water storage box 4 form a water spraying device similar to a water spraying kettle, the water spray opening is connected with the water injection switch 7, and the water spray opening is triggered to spray water by pressing the water injection switch 7 arranged on the body, so that water flows out of the water storage box 4 and flows into the inner body 2.
Water injection hole 5, water injection hole 5 sets up on interior body 2, with water storage box 4 is connected, just, water injection hole 5 passes outer body 1.
Particularly, seted up water injection hole 5 on the interior body 2 of blackboard eraser, water injection hole 5 can select one or more, water injection hole 5 with the delivery port department of retaining box 4 is connected, works as the rivers in the retaining box 4 back that flows, the accessible water injection hole 5 spills.
And the felt 6 is arranged on the outer body 1 and covers the water injection hole 5.
Particularly, water injection hole 5 coats and is stamped a felt 6, the blackboard eraser is through using felt 6 to wipe the chalk, when passing through water injection switch 7 presses the back, makes the rivers play in the water storage box 4 flow into in the interior body 2, the rethread 5 spills on the felt 6 that flows into the cover of water injection hole, thereby can make felt 6 is moist, has the dust fall effect, can clean the chalk cleaner simultaneously, and then realizes satisfying the multiple needs of teaching, and the function is various, has reached the pollution of avoiding chalk powder to cause, influences the health of teaching staff, and can make the blackboard eraser wipe cleaner technological effect, has solved the technical problem of blackboard eraser function singleness among the prior art.
The telescopic rod 8, the one end of telescopic rod 8 with the top of outer body 1 is connected, telescopic rod 8 can surround the telescopic rod 8 with the junction of the top of outer body 1 is rotatory.
Particularly, the top of blackboard eraser is provided with telescopic link 8, telescopic link 8 is articulated with the top of outer body 1, and telescopic link 8 can be rotatory around articulated department, through telescopic link 8 flexible can realize extension and withdrawal of blackboard eraser length, work as when 8 elongations of telescopic link are stretched promptly, pass through this moment 8's length increase can make blackboard eraser length extension, to the short and small user of height like this, can wipe the chalk word of blackboard eminence through the extension of telescopic link 8, solved the not enough condition of the chalk word of unable wipe eminence of height to satisfy the short and small user's of height operation requirement, guaranteed all kinds of crowds ' use.
Further, the blackboard eraser further comprises: a magnet disposed at one side of the outer body 1.
Particularly, a side of blackboard eraser, promptly be provided with the magnet on the side of outer body 1, can make through the magnet the blackboard eraser adsorbs on the blackboard, need not take on hand constantly, for the professor provides convenience, also need not place on the lectern simultaneously, and it is inconvenient to take when writing when using.
Further, the blackboard eraser further comprises: and the reflecting mirror is arranged on the other side surface of the outer body 1.
Particularly, another side of blackboard eraser, promptly with the magnet is to installing the speculum on the another side that corresponds, when the professor is writing on the writing board, will the blackboard eraser passes through when the magnet face adsorbs on the blackboard, the blackboard eraser and its another side that corresponds, the one side of speculum promptly will be to the blackboard outside, can pass through the speculum sees the opposite student's of blackboard state, like this the professor is even facing the student back to the student when writing on the writing board, can pass through on the blackboard eraser the speculum observes student's learning state at the back, realizes that the blackboard eraser collects multiple functions in an organic whole, satisfies the technological effect of various use needs. Therefore, the technical problems that the blackboard eraser in the prior art is single in function and cannot meet various use requirements are solved.
Further, the blackboard eraser further comprises: the sticky strip 9 is arranged on the outer body 1, and the sticky strip 9 is connected with the felt 6.
Specifically, the sticky strip 9 is arranged between the outer body 1 and the felt 6 of the blackboard eraser, as shown in fig. 3, the sticky strip 9 is fixedly arranged at the bottom of the outer body 1, the felt 6 is adhered to the sticky strip 9 and is connected with the outer body 1, when the felt 6 is damaged or absorbs too much chalk to be wiped cleanly after being used for a certain time, the felt 6 needs to be replaced, and at this time, the felt 6 is torn off from the sticky strip 9 for replacement, or the felt can be cleaned and reused, so that the blackboard eraser is convenient to clean and simple to operate.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
the embodiment of the utility model provides a blackboard eraser, blackboard eraser includes: the body comprises an outer body and an inner body, wherein the inner body is arranged inside the outer body and is provided with an accommodating space; the chalk clamp seat is arranged at the top of the body; the water storage box is arranged in the accommodating space; the water injection hole is arranged on the inner body and connected with the water storage box, and penetrates through the outer body; the felt is arranged on the outer body and covers the water injection hole; the water injection switch is arranged outside the body and is connected with the water storage box; the telescopic rod is arranged at the top of the outer body. The blackboard eraser solves the technical problems that the blackboard eraser in the prior art is single in function and cannot meet various use requirements. The blackboard eraser has the advantages that multiple functions are integrated, and various use requirements are met.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A blackboard eraser, characterized in that the blackboard eraser comprises:
the body comprises an outer body and an inner body, wherein the inner body is arranged inside the outer body and is provided with an accommodating space;
the chalk clamp seat is arranged at the top of the body;
the water storage box is arranged in the accommodating space;
the water injection hole is arranged on the inner body and connected with the water storage box, and penetrates through the outer body;
the felt is arranged on the outer body and covers the water injection hole;
the water injection switch is arranged outside the body and is connected with the water storage box;
the telescopic rod, one end of telescopic rod with the top of outer body is connected, the telescopic rod can surround the telescopic rod with the junction of the top of outer body is rotatory.
2. The blackboard eraser of claim 1, wherein the blackboard eraser further comprises:
a magnet disposed at one side of the outer body.
3. The blackboard eraser of claim 2, wherein the blackboard eraser further comprises:
and the reflector is arranged on the other side surface of the outer body.
4. The blackboard eraser of claim 3, wherein the blackboard eraser further comprises:
the adhesive strip is arranged on the outer body and connected with the felt.
5. The blackboard eraser of claim 4, wherein the chalk holder is an elastic material.
6. The blackboard eraser of claim 5, wherein the outer body is bolted to the inner body.
7. The blackboard eraser of claim 6, wherein the blackboard eraser further comprises:
and the water spraying port is arranged between the water injection switch and the water storage box.
8. The blackboard eraser of claim 7, wherein the blackboard eraser further comprises:
a first spring disposed in the water injection switch;
a second spring disposed in the spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922217156.6U CN211106623U (en) | 2019-12-12 | 2019-12-12 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922217156.6U CN211106623U (en) | 2019-12-12 | 2019-12-12 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211106623U true CN211106623U (en) | 2020-07-28 |
Family
ID=71719838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922217156.6U Expired - Fee Related CN211106623U (en) | 2019-12-12 | 2019-12-12 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211106623U (en) |
-
2019
- 2019-12-12 CN CN201922217156.6U patent/CN211106623U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200728 |