CN112026411A - Dust collection host machine of classroom blackboard dust collection system - Google Patents
Dust collection host machine of classroom blackboard dust collection system Download PDFInfo
- Publication number
- CN112026411A CN112026411A CN202010910407.3A CN202010910407A CN112026411A CN 112026411 A CN112026411 A CN 112026411A CN 202010910407 A CN202010910407 A CN 202010910407A CN 112026411 A CN112026411 A CN 112026411A
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- CN
- China
- Prior art keywords
- connecting sleeve
- dust collection
- dust
- host
- connector
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention discloses a dust collection host of a classroom blackboard dust collection system, which comprises a host shell, wherein the top of the host shell is fixedly connected with an upper cover plate through bolts, a suction pump is fixed in the host shell, the upper part of one side of the host shell is communicated with a suction connector, the top surface of a bottom plate of the host shell is provided with a dust receiving cylinder, the dust receiving cylinder is communicated with a connecting sleeve, the inner end of the suction connector is communicated with the connecting sleeve, the top end of the connecting sleeve is pressed against the bottom surface of the upper cover plate, the suction end of the suction pump is communicated with the connecting sleeve, the middle part of the connecting sleeve is fixedly provided with a filter screen plate, and the filter screen plate is positioned between the inner end of the suction connector and. The dust collecting device can filter and collect adsorbed dust in the dust collecting barrel, and the dust collecting barrel is arranged in the dust collecting barrel, so that the dust collecting device does not occupy the external space, does not fall off, and has a good collecting effect.
Description
Technical Field
The invention relates to the technical field of manufacturing of teaching appliances, in particular to a dust collection host of a classroom blackboard dust collection system.
Background
When the blackboard is used, when the blackboard is used for wiping the contents written by chalks, a large amount of dust can be generated, the existing mode is that a chalk groove is placed at the bottom of the blackboard to form a dust falling hole so as to collect the falling dust, the dust collecting device can be adopted to generate suction to accelerate the absorption of the dust, the host of the existing dust collecting device is generally collected by an external collecting bag, the external collecting bag not only occupies the space, but also easily falls off from the host, and the effect is not ideal.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a dust collection host of a classroom blackboard dust collection system, which can filter and collect adsorbed dust in a dust receiving cylinder, and the dust receiving cylinder is arranged in a built-in manner, so that the dust collection host does not occupy the external space, does not fall off and has a good collection effect.
The scheme for solving the technical problems is as follows:
the utility model provides a classroom blackboard dust collecting system's dust absorption host computer, which comprises a host shell, bolt fixedly connected with upper cover plate is passed through at the top of host shell, the host shell internal fixation has the aspirator pump, one side upper portion expert of host shell has connect the connector of breathing in, the top surface of the bottom plate of host shell is installed the dust and is connect the feed cylinder, the dust connects to connect on the feed cylinder has the connecting sleeve, the inner and the connecting sleeve of connector of breathing in are linked together, the top of connecting sleeve is pressed on the bottom surface of upper cover plate, the end of breathing in of aspirator pump leads to and connects the connecting sleeve, the middle part of connecting sleeve is fixed with the filter plate, filter plate is in between the inner of the connector.
The air outlet end of the air suction pump is clamped in an air exhaust through hole formed in the side wall of the main case.
The bottom surface of the upper cover plate is fixedly provided with an elastic block and an annular block, an annular groove is formed between the elastic block and the annular block, and the top end of the connecting sleeve is positioned in the annular groove and clamped between the elastic block and the annular block.
The inner side wall of the upper part of the dust receiving cylinder is transversely provided with an annular bulge, the bottom end of the connecting sleeve is inserted into the dust receiving cylinder, and the bottom surface of the connecting sleeve is pressed against the top surface of the annular bulge.
The top surface of the bottom plate of the main case is fixed with a lower limiting sleeve, and the lower part of the dust collecting cylinder is inserted in the lower limiting sleeve.
The air suction connector is clamped in an installation through hole formed in a side plate on one side of the main case, a radial extension edge is formed on the outer side wall of the inner end of the air suction connector and pressed against the outer side wall of the connecting sleeve, the inner connecting sleeve is inserted in a ventilation through hole formed in the side wall of the connecting sleeve, the outer end of the inner connecting sleeve extends out of the outer side wall of the connecting sleeve and is in threaded connection with an internal thread at the inner end of the air suction connector, an inner radial extension edge is formed on the outer side wall of the inner end of the inner connecting sleeve, and the inner radial extension edge is pressed against the inner side wall of the connecting sleeve;
and a sealing ring is nested in an annular groove formed in the inner side wall of the mounting through hole.
An upper sealing ring is nested in an upper annular groove formed in the inner side wall of the upper part of the dust receiving cylinder, and the lower part of the connecting sleeve is clamped in the upper sealing ring.
The invention has the following outstanding effects: it can filter the dust of absorption and collect in the dust connects the feed cylinder, and the dust connects the feed cylinder to be built-in setting, and it does not occupy the exterior space, can not drop, and collection effect is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
fig. 3 is a partial enlarged view of another part of the present invention.
Detailed Description
In an embodiment, as shown in fig. 1 to 3, a dust collection host of a classroom blackboard dust collection system includes a host casing 22, an upper cover plate 23 is fixedly connected to the top of the host casing 22 through bolts, a suction pump 24 is fixed in the host casing 22, a suction connector 21 is connected to the upper portion of one side of the host casing 22, a dust receiving cylinder 25 is installed on the top surface of the bottom plate of the host casing 22, a connecting sleeve 26 is connected to the dust receiving cylinder 25, the inner end of the suction connector 21 is connected to the connecting sleeve 26, the top end of the connecting sleeve 26 is pressed against the bottom surface of the upper cover plate 23, a suction end of the suction pump 24 is connected to the connecting sleeve 26, a filter screen plate 27 is fixed to the middle portion of the connecting sleeve 26, and the filter screen plate 27 is located between the inner end of the suction connector 21 and the suction.
Further, the air outlet end of the getter pump 24 is inserted into the air outlet hole 28 formed in the sidewall of the main chassis 22.
Furthermore, the elastic block 1 and the ring block 2 are fixed on the bottom surface of the upper cover plate 23, an annular groove is formed between the elastic block 1 and the ring block 2, and the top end of the connecting sleeve 26 is positioned in the annular groove and clamped between the elastic block 1 and the ring block 2.
Further, the upper inner side wall of the dust collecting cylinder 25 is transversely provided with an annular projection 251, the bottom end of the connecting sleeve 26 is inserted into the dust collecting cylinder 25, and the bottom surface of the connecting sleeve 26 is pressed against the top surface of the annular projection 251.
Further, a lower limiting sleeve 29 is fixed on the top surface of the bottom plate of the main chassis 22, and the lower portion of the dust collecting cylinder 25 is inserted into the lower limiting sleeve 29.
Further, the suction connector 21 is clamped in a mounting through hole 221 formed on a side plate of one side of the main chassis 22, a radially extending edge 211 is formed on an outer side wall of an inner end of the suction connector 21, the radially extending edge 211 is pressed against an outer side wall of the connecting sleeve 26, the inner connecting sleeve 30 is inserted into a ventilation through hole 261 formed on a side wall of the connecting sleeve 26, an outer end of the inner connecting sleeve 30 extends out of an outer side wall of the connecting sleeve 26 and is screwed on an inner thread of an inner end of the suction connector 21, an inner radially extending edge 31 is formed on an outer side wall of an inner end of the inner connecting sleeve 30, and the inner radially extending edge 31 is pressed against an inner side wall of the connecting sleeve 26;
furthermore, a sealing ring 3 is nested in an annular groove formed on the inner side wall of the mounting through hole 221.
Furthermore, an upper sealing ring 4 is nested in an upper annular groove formed on the inner side wall of the upper part of the dust receiving cylinder 25, and the lower part of the connecting sleeve 26 is clamped in the upper sealing ring 4.
The inner connecting sleeve 30 is an elastic sleeve body.
The end of the suction pump 24 is caught in the coupling through-hole on the other side wall of the coupling sleeve 26.
This embodiment is when using, through the operation of aspirator pump 24, can get into the dust by connector 21 of breathing in, filters through filter screen plate 27 for the dust falls and collects in the dust connects feed cylinder 25, uses after the certain time, can lift upper cover plate 23 off, then, dismantles the back with the interior adapter sleeve 30 of adapter sleeve 26 department, dismantles adapter sleeve 26, takes out dust connects feed cylinder 25 and emptys, and is very convenient.
The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.
Claims (8)
1. The utility model provides a dust absorption host computer of classroom blackboard dust collecting system, includes host computer shell (22), its characterized in that: bolt fixedly connected with upper cover plate (23) is passed through at the top of mainframe shell (22), mainframe shell (22) internal fixation has aspirator pump (24), one side upper portion of mainframe shell (22) is led to and is connect connector (21) of breathing in, the top surface of the bottom plate of mainframe shell (22) is installed the dust and is connect feed cylinder (25), the dust connects to connect on feed cylinder (25) connecting sleeve (26), the inner and connecting sleeve (26) of connector (21) of breathing in are linked together, the top of connecting sleeve (26) is pressed on the bottom surface of upper cover plate (23), the end of breathing in of aspirator pump (24) leads to and connects connecting sleeve (26), the middle part of connecting sleeve (26) is fixed with filter screen board (27), filter screen board (27) are in between the end of breathing in of the inner of connector (21) and aspirator pump (24).
2. The dust collection host of the classroom blackboard dust collection system as claimed in claim 1, wherein: the air outlet end of the air suction pump (24) is clamped in an air exhaust through hole (28) formed in the side wall of the main case (22).
3. The dust collection host of the classroom blackboard dust collection system as claimed in claim 1, wherein: the bottom surface of the upper cover plate (23) is fixedly provided with an elastic block (1) and an annular block (2), an annular groove is formed between the elastic block (1) and the annular block (2), and the top end of the connecting sleeve (26) is positioned in the annular groove and clamped between the elastic block (1) and the annular block (2).
4. The dust collection host of the classroom blackboard dust collection system as claimed in claim 1, wherein: the inner side wall of the upper part of the dust receiving barrel (25) is transversely provided with an annular bulge (251), the bottom end of the connecting sleeve (26) is inserted in the dust receiving barrel (25), and the bottom surface of the connecting sleeve (26) is pressed against the top surface of the annular bulge (251).
5. The dust collection host of the classroom blackboard dust collection system as claimed in claim 1, wherein: the top surface of the bottom plate of the main case (22) is fixed with a lower limiting sleeve (29), and the lower part of the dust collecting cylinder (25) is inserted in the lower limiting sleeve (29).
6. The dust collection host of the classroom blackboard dust collection system as claimed in claim 1, wherein: inhale connector (21) card and put in the fashioned installation through-hole (221) on the curb plate of one side of mainframe shell (22), it has radial extension limit (211) to inhale to form on the inner lateral wall of connector (21), radial extension limit (211) are pressed on the lateral wall of connecting sleeve (26), in the fashioned ventilation through-hole (261) of interior adapter sleeve (30) plug bush on the lateral wall of connecting sleeve (26), the lateral wall that connecting sleeve (26) were stretched out to the outer end of interior adapter sleeve (30) and the spiro union is on the internal thread of the inner of connector (21) of breathing in, the shaping has interior radial extension limit (31) on the inner lateral wall of interior adapter sleeve (30), interior radial extension limit (31) are pressed on the inside wall of connecting sleeve (26).
7. The dust collection host of the classroom blackboard dust collection system as claimed in claim 6, wherein: and a sealing ring (3) is nested in an annular groove formed in the inner side wall of the mounting through hole (221).
8. The dust collection host of the classroom blackboard dust collection system as claimed in claim 6, wherein: an upper sealing ring (4) is nested in an upper annular groove formed in the inner side wall of the upper part of the dust receiving cylinder (25), and the lower part of the connecting sleeve (26) is clamped in the upper sealing ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910407.3A CN112026411A (en) | 2020-09-02 | 2020-09-02 | Dust collection host machine of classroom blackboard dust collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910407.3A CN112026411A (en) | 2020-09-02 | 2020-09-02 | Dust collection host machine of classroom blackboard dust collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112026411A true CN112026411A (en) | 2020-12-04 |
Family
ID=73591185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010910407.3A Withdrawn CN112026411A (en) | 2020-09-02 | 2020-09-02 | Dust collection host machine of classroom blackboard dust collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112026411A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238748Y (en) * | 1995-08-17 | 1996-10-30 | 陈镜尧 | Eraser cleaner cabable of feeling chalk dust capacity |
| CN201534433U (en) * | 2009-11-16 | 2010-07-28 | 倪庆军 | Automatic anti-spreading dust-absorption blackboard |
| CN202357742U (en) * | 2011-12-12 | 2012-08-01 | 上海市第一中学 | Blackboard eraser with dust absorption function |
| CN203651266U (en) * | 2014-01-17 | 2014-06-18 | 王奕泽 | Blackboard with negative pressure adsorption device |
| CN106626899A (en) * | 2016-12-13 | 2017-05-10 | 中州大学 | Teaching aid for Chinese teaching in university |
| CN106945432A (en) * | 2017-04-28 | 2017-07-14 | 程传奇 | Environment friendly blackboard external member |
| CN207758440U (en) * | 2017-07-26 | 2018-08-24 | 窦先淏 | A kind of mop system and blackboard eraser |
| CN209756556U (en) * | 2019-04-28 | 2019-12-10 | 肖璞 | English translation is with teaching board with dustproof function |
-
2020
- 2020-09-02 CN CN202010910407.3A patent/CN112026411A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238748Y (en) * | 1995-08-17 | 1996-10-30 | 陈镜尧 | Eraser cleaner cabable of feeling chalk dust capacity |
| CN201534433U (en) * | 2009-11-16 | 2010-07-28 | 倪庆军 | Automatic anti-spreading dust-absorption blackboard |
| CN202357742U (en) * | 2011-12-12 | 2012-08-01 | 上海市第一中学 | Blackboard eraser with dust absorption function |
| CN203651266U (en) * | 2014-01-17 | 2014-06-18 | 王奕泽 | Blackboard with negative pressure adsorption device |
| CN106626899A (en) * | 2016-12-13 | 2017-05-10 | 中州大学 | Teaching aid for Chinese teaching in university |
| CN106945432A (en) * | 2017-04-28 | 2017-07-14 | 程传奇 | Environment friendly blackboard external member |
| CN207758440U (en) * | 2017-07-26 | 2018-08-24 | 窦先淏 | A kind of mop system and blackboard eraser |
| CN209756556U (en) * | 2019-04-28 | 2019-12-10 | 肖璞 | English translation is with teaching board with dustproof function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201204 |
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| WW01 | Invention patent application withdrawn after publication |