CN211000675U - Dustproof blackboard eraser sleeve - Google Patents
Dustproof blackboard eraser sleeve Download PDFInfo
- Publication number
- CN211000675U CN211000675U CN201921921659.5U CN201921921659U CN211000675U CN 211000675 U CN211000675 U CN 211000675U CN 201921921659 U CN201921921659 U CN 201921921659U CN 211000675 U CN211000675 U CN 211000675U
- Authority
- CN
- China
- Prior art keywords
- dust
- clamping plate
- blackboard eraser
- mounting shell
- rectangular groove
- 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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Abstract
The utility model relates to a dustproof blackboard eraser sleeve, which comprises an eraser mounting shell and a handle arranged at the back of the eraser mounting shell; the front side of the eraser mounting shell is provided with a rectangular groove for placing an eraser, an upper clamping plate and a lower clamping plate are respectively arranged in the rectangular groove close to the upper edge and the lower edge of the rectangular groove, the middle parts of the upper end and the right end of the eraser mounting shell are respectively provided with a pressing part for pushing the upper clamping plate and the right clamping plate to move, a supporting plate is also arranged in the rectangular groove, and the rear end of the eraser mounting shell is provided with a pushing part for pushing the supporting plate to move back and forth; the pipeline holding tank has still been seted up to the front side lower extreme of blackboard eraser mounting shell, is equipped with a dust absorption pipeline in the pipeline holding tank, and the front side of dust absorption pipeline evenly is equipped with a plurality of dust absorption mouths, and the lower extreme of blackboard eraser mounting shell is equipped with the dust collecting chamber. The utility model discloses be convenient for carry out stable centre gripping to the blackboard eraser of unidimensional not, be convenient for collect the dust, reduce the harm of dust to user's health.
Description
Technical Field
The utility model belongs to the technical field of the blackboard eraser, especially, relate to a dustproof blackboard eraser cover.
Background
At present, in the teaching of various primary schools, schools and schools, a blackboard is an indispensable teaching tool, and the blackboard and chalk are still widely used in teaching places. In the using process, the blackboard needs a person to use a blackboard brush to brush off chalk characters written on the blackboard for reuse, when the blackboard is brushed by the blackboard brush, part of dust generated is adsorbed on hands and clothes of the person who brushes the blackboard, and the other part of dust flies in the air. The hair and body of a person who wipes the blackboard are all dust, and the air in a classroom is also full of dust. The dust of the chalk brings adverse effects to the health of teachers and students and threatens the physical health of the teachers and students.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide one kind and be convenient for carry out stable centre gripping to the blackboard eraser of unidimensional not, be convenient for collect the dust, reduce a dustproof blackboard eraser cover of the harm of dust to user's health.
The utility model discloses take following technical scheme to realize:
a dustproof blackboard eraser sleeve comprises an eraser mounting shell and a handle arranged at the back of the eraser mounting shell; the blackboard eraser mounting shell is characterized in that a rectangular groove for placing a blackboard eraser is formed in the front side of the blackboard eraser mounting shell, an upper clamping plate and a lower clamping plate are respectively arranged in the rectangular groove close to the upper edge and the lower edge of the rectangular groove, a left clamping plate and a right clamping plate are respectively arranged close to the left edge and the right edge of the rectangular groove, the upper clamping plate, the lower clamping plate, the left clamping plate and the right clamping plate are respectively connected with the inner edge of the rectangular groove through a plurality of telescopic springs, the middle parts of the upper end and the right end of the blackboard eraser mounting shell are respectively provided with a pressing part for pushing the upper clamping plate and the right clamping plate to move, a supporting plate is further arranged in the rectangular groove, and a pushing part for pushing the supporting plate to;
the blackboard eraser mounting shell is characterized in that a pipeline holding tank is further formed in the lower end of the front side of the blackboard eraser mounting shell, a dust suction pipeline is arranged in the pipeline holding tank, a plurality of dust suction nozzles are uniformly arranged on the front side of the dust suction pipeline, a dust suction chamber is arranged at the lower end of the blackboard eraser mounting shell, and a miniature dust collector, a dust storage box, an exhaust pipe and a battery box are arranged in the dust suction chamber.
The output of dust absorption mouth is linked together with dust absorption pipeline, dust absorption pipeline's output links to each other with miniature dust catcher's input, miniature dust catcher's output is linked together with the dust storage box, be equipped with the filter screen in the dust storage box, the output of dust storage box links to each other with the one end of exhaust pipe, the other end of exhaust pipe stretches out beyond the dust absorption room through the lateral wall in dust absorption room, still be equipped with the dust exhaust mouth on the dust storage box.
The pressing part comprises a first hollow solenoid and a first screw rod which is installed on the first hollow solenoid in a threaded mode, the first hollow solenoid is assembled in the eraser installation shell, one end of the first hollow solenoid extends into the rectangular groove, the other end of the first hollow solenoid extends out of the eraser installation shell, the head of the first screw rod is located outside the eraser installation shell and is connected with the first rotating handle, and the tail of the first screw rod extends into the rectangular groove and is in contact with the middle of the upper clamping plate/the right clamping plate.
The pushing component comprises a second hollow solenoid and a second screw rod arranged on the second hollow solenoid in a threaded mode, the second hollow solenoid is assembled in the middle of the rear end of the eraser mounting shell, the front end of the second hollow solenoid extends into the rectangular groove, the rear end of the second hollow solenoid extends out of the eraser mounting shell, the head of the second screw rod is located outside the eraser mounting shell and is connected with the second rotating handle, and the tail of the second screw rod extends into the rectangular groove and is fixedly connected with the middle of the supporting plate.
A battery is arranged in the battery box and supplies power to the miniature dust collector.
The utility model has the advantages that:
1. the utility model discloses in, be close to in the rectangle recess its upper and lower level and be equipped with grip block, lower grip block respectively, be close to its left and right side and be equipped with left grip block, right grip block respectively, go up grip block, lower grip block, left grip block, right grip block and link to each other in with the rectangle recess through a plurality of expanding spring respectively, be convenient for carry out stable centre gripping to the blackboard eraser of unidimensional not.
2. The utility model discloses in, the upper end of blackboard eraser installation shell, right-hand member middle part are equipped with respectively and are used for promoting the part that compresses tightly that grip block, right grip block removed, can further consolidate the blackboard eraser through compressing tightly the part.
3. The utility model discloses in, the rear end of blackboard eraser installation shell is equipped with the promotion part that is used for promoting the backup pad back-and-forth movement, is located the front and back position of rectangle recess through the adjustable blackboard eraser of promotion part.
4. The utility model discloses in, when opening miniature dust catcher, the dust that cleans loops through dust absorption mouth, dust absorption pipeline, miniature dust catcher and enters into the dust storage box to reach the purpose of collecting the dust, can prevent effectively that the dust from flying upward, reduce the harm of dust to user's health.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1;
fig. 3 is a left side view structure diagram of the present invention;
FIG. 4 is a schematic view of the blackboard eraser of FIG. 1 with the eraser removed;
fig. 5 is a schematic view of the longitudinal cross-sectional structure of fig. 4.
In the figure: 1. the blackboard eraser comprises a blackboard eraser mounting shell, 2 rectangular grooves, 3 upper clamping plates, 4 lower clamping plates, 5 left clamping plates, 6 right clamping plates, 7 telescopic springs, 8 pressing parts, 801 first hollow screw tubes, 802 first screw rods, 9 pushing parts, 901 second hollow screw tubes, 902 second screw rods, 10 supporting plates, 11 pipeline accommodating grooves, 12 dust suction pipelines, 13 dust suction nozzles, 14 dust suction chambers, 15 miniature dust collectors, 16 dust storage boxes, 17 exhaust pipes, 18 battery boxes, 19 filter screens, 20 blackboard erasers and 21 handles.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples.
A dustproof blackboard eraser sleeve comprises an eraser mounting shell 1 and a handle 21 arranged at the back of the eraser mounting shell 1;
a rectangular groove 2 for placing the blackboard eraser 20 is formed in the front side of the blackboard eraser mounting shell 1, an upper clamping plate 3 and a lower clamping plate 4 are respectively arranged in the rectangular groove 2 close to the upper edge and the lower edge of the rectangular groove, a left clamping plate 5 and a right clamping plate 6 are respectively arranged close to the left edge and the right edge of the rectangular groove, the upper clamping plate 3, the lower clamping plate 4, the left clamping plate 5 and the right clamping plate 6 are respectively connected with the inner edge of the rectangular groove 2 through a plurality of telescopic springs 7, a pressing part 8 for pushing the upper clamping plate 3 and the right clamping plate 6 to move is respectively arranged in the middle of the upper end and the right end of the blackboard eraser mounting shell 1, a supporting plate 10 is further arranged in the rectangular groove 2, and a pushing part 9 for pushing the supporting plate 10 to move back and forth is arranged at the rear end of; the blackboard eraser mounting structure is characterized in that a pipeline holding groove 11 is further formed in the lower end of the front side of the blackboard eraser mounting shell 1, a dust suction pipeline 12 is arranged in the pipeline holding groove 11, a plurality of dust suction nozzles 13 are uniformly arranged on the front side of the dust suction pipeline 12, a dust suction chamber 14 is arranged at the lower end of the blackboard eraser mounting shell 1, and a miniature dust collector 15, a dust storage box 16, an exhaust pipe 17 and a battery box 18 are arranged in the dust suction chamber 14.
Example (b): the blackboard eraser mounting shell 1 can be moved by holding a handle 21 by hand, the blackboard eraser 20 can be mounted in a rectangular groove 2 of the blackboard eraser mounting shell 1, an upper clamping plate 3 and a lower clamping plate 4 are respectively arranged in the rectangular groove 2 close to the upper edge and the lower edge of the rectangular groove, a left clamping plate 5 and a right clamping plate 6 are respectively arranged close to the left edge and the right edge of the rectangular groove, the upper clamping plate 3, the lower clamping plate 4, the left clamping plate 5 and the right clamping plate 6 are respectively used for clamping the periphery of the blackboard eraser, the upper clamping plate 3, the lower clamping plate 4, the left clamping plate 5 and the right clamping plate 6 are respectively connected with the inner edge of the rectangular groove 2 through a plurality of telescopic springs 7, so that stable clamping can be conveniently carried out on the blackboard erasers with different sizes, the middle parts of the upper end and the right end of the blackboard eraser mounting shell 1 are respectively provided with a pressing part 8 for pushing the upper clamping plate 3 and the right clamping plate 6 to move, the blackboard eraser can be further reinforced through the pressing, through the adjustable blackboard eraser 20 of promotion part 9 and lie in the front and back position in rectangular groove 2, be equipped with a dust absorption pipeline 12 in the pipeline holding tank 11, the front side of dust absorption pipeline 12 evenly is equipped with a plurality of dust absorption mouths 13, the lower extreme of blackboard eraser installation shell 1 is equipped with dust collecting chamber 14, be equipped with miniature dust catcher 15 in the dust collecting chamber 14, dust storage box 16, exhaust pipe 17, and battery case 18, when opening miniature dust catcher 15, the dust that cleans loops through dust absorption mouth 13, dust absorption pipeline 12, miniature dust catcher 15 enters into dust storage box 16, in order to reach the purpose of collecting the dust, can prevent effectively that the dust from flying upward, reduce the harm of dust to user's health.
Further speaking, can also be in the utility model discloses in consider, the output of dust absorption mouth 13 is linked together with dust absorption pipeline 12, dust absorption pipeline 12's output links to each other with miniature dust catcher 15's input, miniature dust catcher 15's output is linked together with dust storage box 16, be equipped with filter screen 19 in the dust storage box 16, dust storage box 16's output links to each other with exhaust pipe 17's one end, the other end of exhaust pipe 17 stretches out beyond dust absorption chamber 14 through the lateral wall of dust absorption chamber 14, still be equipped with the dust exhaust mouth on the dust storage box 16. When the micro dust collector 15 is started, the wiped dust sequentially passes through the dust collection nozzle 13, the dust collection pipeline 12 and the micro dust collector 15 and enters the dust storage box 16, and the dust is filtered by the filter screen 19 in the dust storage box 16 to be intercepted on the filter screen 19, so that the purpose of collecting the dust is achieved, the dust can be effectively prevented from flying, and the harm of the dust to the body of a user is reduced.
Still further, can be in the utility model discloses in consider, compress tightly part 8 and include first cavity screwed pipe 801 and the first screw rod 802 of screw thread installation at first cavity screwed pipe 801, first cavity screwed pipe 801 assembles in eraser installation shell 1, the one end of first cavity screwed pipe 801 stretches into rectangle recess 2 in, and the other end stretches out beyond eraser installation shell 1, the head of first screw rod 802 is located beyond eraser installation shell 1 and links to each other with first handle, the afterbody of first screw rod 802 stretches into in rectangle recess 2 and contacts with last grip block 3/right grip block 6 middle part.
The blackboard eraser can be further reinforced through the pressing part 8, the pressing part 8 comprises a first hollow screw tube 801 and a first screw rod 802 which is installed on the first hollow screw tube 801 in a threaded mode, when the first rotating handle is rotated to drive the first screw rod 802 to rotate, the first screw rod 802 can rotate in and out of the first hollow screw tube 801, and then the blackboard eraser can be clamped against the upper clamping plate 3/the right clamping plate 6.
Still further, the present invention can be considered that, the pushing component 9 includes a second hollow solenoid 901 and a second screw 902 threadedly installed on the second hollow solenoid 901, the second hollow solenoid 901 is assembled at the middle of the rear end of the eraser mounting case 1, the front end of the second hollow solenoid 901 extends into the rectangular groove 2, the rear end extends out of the eraser mounting case 1, the head of the second screw 902 is located outside the eraser mounting case 1 and is connected with the second rotating handle, and the tail of the second screw 902 extends into the rectangular groove 2 and is fixedly connected with the middle of the supporting board 10. The front and back positions of the blackboard eraser 20 in the rectangular groove 2 can be adjusted through the pushing component 9, the pushing component 9 comprises a second hollow spiral pipe 901 and a second screw 902 which is installed in the second hollow spiral pipe 901 in a threaded mode, when the second rotating handle is rotated to drive the second screw 902 to rotate, the second screw 902 can be screwed in and out of the second hollow spiral pipe 901 and then abuts against the supporting plate 10 to push the blackboard eraser.
Further, it is contemplated that a battery may be disposed within the battery compartment 18 to provide power to the vacuum cleaner.
To sum up, the utility model provides a be convenient for carry out stable centre gripping to the blackboard eraser of unidimensional not, be convenient for collect the dust, reduce a dustproof blackboard eraser cover of dust to the harm of user's health.
Claims (5)
1. The utility model provides a dustproof blackboard eraser cover, includes the blackboard eraser installation shell, locates the handle at blackboard eraser installation shell back, its characterized in that:
the blackboard eraser mounting shell is characterized in that a rectangular groove for placing a blackboard eraser is formed in the front side of the blackboard eraser mounting shell, an upper clamping plate and a lower clamping plate are respectively arranged in the rectangular groove close to the upper edge and the lower edge of the rectangular groove, a left clamping plate and a right clamping plate are respectively arranged close to the left edge and the right edge of the rectangular groove, the upper clamping plate, the lower clamping plate, the left clamping plate and the right clamping plate are respectively connected with the inner edge of the rectangular groove through a plurality of telescopic springs, the middle parts of the upper end and the right end of the blackboard eraser mounting shell are respectively provided with a pressing part for pushing the upper clamping plate and the right clamping plate to move, a supporting plate is further arranged in the rectangular groove, and a pushing part for pushing the supporting plate to;
the blackboard eraser mounting shell is characterized in that a pipeline holding tank is further formed in the lower end of the front side of the blackboard eraser mounting shell, a dust suction pipeline is arranged in the pipeline holding tank, a plurality of dust suction nozzles are uniformly arranged on the front side of the dust suction pipeline, a dust suction chamber is arranged at the lower end of the blackboard eraser mounting shell, and a miniature dust collector, a dust storage box, an exhaust pipe and a battery box are arranged in the dust suction chamber.
2. The dustproof blackboard eraser sleeve according to claim 1, wherein: the output of dust absorption mouth is linked together with dust absorption pipeline, dust absorption pipeline's output links to each other with miniature dust catcher's input, miniature dust catcher's output is linked together with the dust storage box, be equipped with the filter screen in the dust storage box, the output of dust storage box links to each other with the one end of exhaust pipe, the other end of exhaust pipe stretches out beyond the dust absorption room through the lateral wall in dust absorption room, still be equipped with the dust exhaust mouth on the dust storage box.
3. The dustproof blackboard eraser sleeve according to claim 1, wherein: the pressing part comprises a first hollow solenoid and a first screw rod which is installed on the first hollow solenoid in a threaded mode, the first hollow solenoid is assembled in the eraser installation shell, one end of the first hollow solenoid extends into the rectangular groove, the other end of the first hollow solenoid extends out of the eraser installation shell, the head of the first screw rod is located outside the eraser installation shell and is connected with the first rotating handle, and the tail of the first screw rod extends into the rectangular groove and is in contact with the middle of the upper clamping plate/the right clamping plate.
4. The dustproof blackboard eraser sleeve according to claim 1, wherein: the pushing component comprises a second hollow solenoid and a second screw rod arranged on the second hollow solenoid in a threaded mode, the second hollow solenoid is assembled in the middle of the rear end of the eraser mounting shell, the front end of the second hollow solenoid extends into the rectangular groove, the rear end of the second hollow solenoid extends out of the eraser mounting shell, the head of the second screw rod is located outside the eraser mounting shell and is connected with the second rotating handle, and the tail of the second screw rod extends into the rectangular groove and is fixedly connected with the middle of the supporting plate.
5. The dustproof blackboard eraser sleeve according to claim 1, wherein: a battery is arranged in the battery box and supplies power to the miniature dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921659.5U CN211000675U (en) | 2019-11-08 | 2019-11-08 | Dustproof blackboard eraser sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921659.5U CN211000675U (en) | 2019-11-08 | 2019-11-08 | Dustproof blackboard eraser sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211000675U true CN211000675U (en) | 2020-07-14 |
Family
ID=71498129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921921659.5U Expired - Fee Related CN211000675U (en) | 2019-11-08 | 2019-11-08 | Dustproof blackboard eraser sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211000675U (en) |
-
2019
- 2019-11-08 CN CN201921921659.5U patent/CN211000675U/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: 20200714 Termination date: 20211108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |