CN214523027U - Think political affairs and give lessons with dust-collecting blackboard - Google Patents

Think political affairs and give lessons with dust-collecting blackboard Download PDF

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Publication number
CN214523027U
CN214523027U CN202120370206.9U CN202120370206U CN214523027U CN 214523027 U CN214523027 U CN 214523027U CN 202120370206 U CN202120370206 U CN 202120370206U CN 214523027 U CN214523027 U CN 214523027U
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China
Prior art keywords
dust
filter screen
fixed
political affairs
mounting plate
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Application number
CN202120370206.9U
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Chinese (zh)
Inventor
李丽芬
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Yunnan College of Bussiness Management
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Yunnan College of Bussiness Management
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Priority to CN202120370206.9U priority Critical patent/CN214523027U/en
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Abstract

The utility model discloses a think political affairs are given lessons and are used dust-collecting blackboard, including pillar and filter screen, the inboard of pillar is provided with the main part, and is fixed with branch in the top of pillar, the pivot is installed in the outside of branch, and the end fixing of pivot has the stay cord, the inboard of pivot is provided with the dwang, and settles in the outside of dwang has projection cloth, the below of main part is provided with connects the material frame, and connects the below of material frame to be fixed with the diaphragm, the below of diaphragm is provided with the fixed block, and the below of fixed block is provided with the mounting panel, the tip of mounting panel is provided with spacing lasso, and the inboard of mounting panel is provided with the control chamber, the internally mounted of control chamber has the dust catcher, the filter screen is fixed in the inboard of card strip. This think political affairs are given lessons and are provided with the filter screen and can block the granule and carry out the dust catcher, avoid the dust catcher to produce the condition of jam, guaranteed the operational environment of dust catcher, improved the work efficiency of dust catcher to a certain extent.

Description

Think political affairs and give lessons with dust-collecting blackboard
Technical Field
The utility model relates to a blackboard device technical field specifically is a think political affairs and give lessons and use dust-collecting blackboard.
Background
The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, has a hard board surface and is mainly used for teaching, is generally made of wood boards or ground glass and the like, and can be written on by using specific writing materials such as chalk and the like. Mostly black, greenish black, white or beige.
Blackboard on the market does not have dust absorption structure, can not clear up the dust, can make the dust carry out human inside, can cause the influence to user's health, does not have the filtration structure, can not filter the granule, can make the granule get into the dust catcher, can produce the problem of jam, and for this reason we provide a think political affairs and give lessons and use the blackboard of can absorbing dust.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an think political affairs are given lessons and are used dust-collecting blackboard to the blackboard that proposes in solving above-mentioned background art does not have dust collection structure, can not clear up the dust, can make the dust carry out human inside, can lead to the fact the influence to user's health, does not have the filtration structure, can not filter the granule, can make the granule get into the dust catcher, can produce the problem of jam.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a think political affairs are given lessons and are used dust absorption blackboard, includes pillar and filter screen, the inboard of pillar is provided with the main part, and the top of pillar is fixed with branch, the pivot is installed in the outside of branch, and the end fixing of pivot has the stay cord, the inboard of pivot is provided with the dwang, and the outside of dwang settles and have projection cloth, the below of main part is provided with connects the material frame, and connects the below of material frame to be fixed with the diaphragm, the below of diaphragm is provided with the fixed block, and the below of fixed block is provided with the mounting panel, the tip of mounting panel is provided with spacing lasso, and the inboard of mounting panel is provided with the control chamber, the internally mounted of control chamber has the dust catcher, and the below of dust catcher is provided with the dust collection box, the outside of connecing the material frame is provided with the card strip, the filter screen is fixed in the inboard of card strip.
Preferably, the supporting rod is movably connected with the rotating shaft, and the projection cloth forms a movable structure through the rotating shaft and the supporting rod.
Preferably, be the vertical form distribution between diaphragm and the fixed block, and the diaphragm passes through to constitute fixed knot between fixed block and the mounting panel and constructs.
Preferably, the operation chamber and the mounting plate are of an integrated structure, and the operation chamber and the support post form a fixed structure through the mounting plate and the limiting ferrule.
Preferably, the dust collectors are distributed at equal intervals relative to the inside of the operation chamber, and the dust collection box is communicated with the dust collectors.
Preferably, an integrated structure is arranged between the clamping strip and the filter screen, and the filter screen forms a fixed structure with the material receiving frame through the clamping strip.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this think political affairs are given lessons and are used dust absorption blackboard: the rotating shaft has good flexibility, can drive the rotating rod to move, thereby being capable of operating the projection cloth, not generating the situation of blocking, saving manpower, being convenient to use, being capable of conveniently performing multimedia teaching in the teaching process of the projection cloth, improving the teaching quality, expanding the use range of the main body, enabling the main body to be more functional, being convenient for storing objects such as chalks and the like, not enabling the objects to fall, being convenient for fixing the mounting plate and the supporting column by arranging the limiting ring, improving the fixity of the mounting plate, effectively preventing the mounting plate from falling, ensuring the stability of the whole device to a certain degree, being convenient to use, simultaneously being provided with a protective layer inside the limiting ring, reducing the friction to the main body, reducing the damage to the surface of the supporting column and ensuring the integrity of the supporting column, the service life of the support is prolonged;
2. this think political affairs are given lessons and are used dust absorption blackboard: the dust collector can collect the chalk dust, so as to prevent the chalk dust from falling off and being sucked by a teacher to influence the body of the teacher, the teaching environment of teachers is ensured to a certain extent, meanwhile, the arrangement of a plurality of dust collectors can fully suck chalk dust, the efficiency is improved, the dust collection box is convenient for uniformly collecting the dust, a user can conveniently clean the dust, the use is convenient, the dust cannot float everywhere, the arrangement of the clamping strips is convenient for fixing the filter screen and the material receiving frame, the situation that the filter screen shakes during the work is avoided, meanwhile, the filter screen can be cleaned in time, the blockage caused by long-time use of the filter screen can be avoided, the filter screen can stop particles to carry out the dust catcher, avoids the condition that the dust catcher produces the jam, has guaranteed the operational environment of dust catcher, has improved the work efficiency of dust catcher to a certain extent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the filter screen of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a pillar; 2. a main body; 3. a strut; 4. a rotating shaft; 5. pulling a rope; 6. rotating the rod; 7. a projection cloth; 8. a material receiving frame; 9. a transverse plate; 10. a fixed block; 11. mounting a plate; 12. a limiting ferrule; 13. an operation chamber; 14. a dust collector; 15. a dust collection box; 16. clamping the strip; 17. and (4) a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-3, the present invention provides a technical solution: a dust-absorbing blackboard for thinking and political affairs teaching comprises a support column 1, a main body 2, a support rod 3, a rotating shaft 4, a pull rope 5, a rotating rod 6, a projection cloth 7, a material receiving frame 8, a transverse plate 9, a fixing block 10, a mounting plate 11, a limiting ferrule 12, an operating chamber 13, a dust collector 14, a dust collecting box 15, a clamping strip 16 and a filter screen 17, wherein the main body 2 is arranged on the inner side of the support column 1, the support rod 3 is fixed above the support column 1, the rotating shaft 4 is arranged on the outer side of the support rod 3, the pull rope 5 is fixed at the end part of the rotating shaft 4, the rotating rod 6 is arranged on the inner side of the rotating shaft 4, the projection cloth 7 is arranged on the outer side of the rotating rod 6, the support rod 3 is movably connected with the rotating shaft 4, the projection cloth 7 forms a movable structure with the support rod 3 through the rotating shaft 4, the rotating shaft 4 has good flexibility and can drive the rotating rod 6 to move, thereby operating the projection cloth 7 without generating blocking condition, the projection cloth 7 is labor-saving and convenient to use, multimedia teaching can be conveniently carried out in the teaching process, the teaching quality is improved, the application range of the main body 2 is expanded, and the main body 2 is enabled to be more functional;
the material receiving frame 8 is arranged below the main body 2, the transverse plate 9 is fixed below the material receiving frame 8, the fixing block 10 is arranged below the transverse plate 9, the mounting plate 11 is arranged below the fixing block 10, the limiting ring 12 is arranged at the end part of the mounting plate 11, the operating chamber 13 is arranged on the inner side of the mounting plate 11, the transverse plate 9 and the fixing block 10 are vertically distributed, the transverse plate 9 forms a fixing structure through the fixing block 10 and the mounting plate 11, the operating chamber 13 and the mounting plate 11 form an integrated structure, the operating chamber 13 and the support 1 form a fixing structure through the mounting plate 11 and the limiting ring 12, the material receiving frame 8 is arranged to store objects such as chalks conveniently, the objects cannot fall off, the limiting ring 12 is arranged to fix the mounting plate 11 and the support 1 conveniently, the fixing performance of the mounting plate 11 is improved, and the mounting plate 11 is effectively prevented from falling off, the stability of the whole device is ensured to a certain extent, the use is convenient, and meanwhile, the protective layer is arranged inside the limiting ferrule 12, so that the friction on the main body 2 is reduced, the surface damage on the support 1 is reduced, the integrity of the support 1 is ensured, and the service life of the support 1 is prolonged;
the dust collectors 14 are mounted inside the operating chamber 13, the dust collecting boxes 15 are arranged below the dust collectors 14, the dust collectors 14 are distributed equidistantly about the inside of the operating chamber 13, the dust collecting boxes 15 are communicated with the dust collectors 14, the dust collectors 14 can collect chalk dust, the chalk dust is prevented from falling off and being sucked by teachers, the body of the teachers is affected, the teaching environment of the teachers is guaranteed to a certain extent, meanwhile, the chalk dust can be fully sucked by the arrangement of the dust collectors 14, the efficiency is improved, the dust collecting boxes 15 are convenient for uniformly collecting the dust, a user can clean the dust conveniently, the dust collecting box is convenient to use, and the dust cannot fall everywhere;
connect the outside of material frame 8 to be provided with card strip 16, filter screen 17 is fixed in the inboard of card strip 16, be integral structure between card strip 16 and the filter screen 17, and filter screen 17 through card strip 16 with connect to constitute fixed knot to construct between the material frame 8 and construct the structure, the setting of card strip 16 is convenient for fix filter screen 17 with connect material frame 8, avoid filter screen 17 to produce the condition of rocking in work, also be convenient for simultaneously carry out timely clearance to filter screen 17, avoid using filter screen 17 to produce the condition of jam for a long time, filter screen 17 can block the granule and carry out dust catcher 14, avoid dust catcher 14 to produce the condition of jam, the operational environment of dust catcher 14 has been guaranteed, the work efficiency of dust catcher 14 has been improved to a certain extent.
The working principle is as follows: for the dust-absorbing blackboard for thinking administration teaching, firstly, the filter screen 17 and the receiving frame 8 are fixed through the clamping strip 16, the condition that the filter screen 17 shakes during working is avoided, meanwhile, the filter screen 17 can block particles to carry out the dust collector 14, the condition that the dust collector 14 is blocked is avoided, the working environment of the dust collector 14 is ensured, when the main body 2 is cleaned, the dust collector 14 is opened, meanwhile, the arrangement of the dust collectors 14 can fully suck chalk dust into the dust collection box 15, the dust cannot fall everywhere and pollute the environment, the dust collection box 15 is convenient for uniformly collecting the dust, a user can conveniently clean the dust, when multimedia teaching is needed, the pull rope 5 is used for driving the rotating shaft 4 to move, so that the rotating rod 6 is driven to rotate, the projection cloth 7 can be operated, and the use is convenient, thus, the whole dust-absorbing blackboard for thinking administration teaching is used.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an think political affairs are given lessons and are used dusty blackboard, includes pillar (1) and filter screen (17), its characterized in that: the multifunctional projection machine is characterized in that a main body (2) is arranged on the inner side of the support column (1), a support rod (3) is fixed above the support column (1), a rotating shaft (4) is installed on the outer side of the support rod (3), a pull rope (5) is fixed at the end portion of the rotating shaft (4), a rotating rod (6) is arranged on the inner side of the rotating shaft (4), projection cloth (7) is arranged on the outer side of the rotating rod (6), a material receiving frame (8) is arranged below the main body (2), a transverse plate (9) is fixed below the material receiving frame (8), a fixed block (10) is arranged below the transverse plate (9), a mounting plate (11) is arranged below the fixed block (10), a limiting ferrule (12) is arranged at the end portion of the mounting plate (11), an operation chamber (13) is arranged on the inner side of the mounting plate (11), a dust collector (14) is installed inside the operation chamber (13), and a dust collection box (15) is arranged below the dust collector (14), the outer side of the material receiving frame (8) is provided with a clamping strip (16), and the filter screen (17) is fixed on the inner side of the clamping strip (16).
2. The dust-collecting blackboard for thinking of political affairs teaching according to claim 1, wherein: the supporting rod (3) is movably connected with the rotating shaft (4), and the projection cloth (7) forms a movable structure with the supporting rod (3) through the rotating shaft (4).
3. The dust-collecting blackboard for thinking of political affairs teaching according to claim 1, wherein: the transverse plate (9) and the fixing block (10) are vertically distributed, and the transverse plate (9) forms a fixing structure through the fixing block (10) and the mounting plate (11).
4. The dust-collecting blackboard for thinking of political affairs teaching according to claim 1, wherein: the operation chamber (13) and the mounting plate (11) are integrated, and the operation chamber (13) and the support column (1) form a fixing structure through the mounting plate (11) and the limiting ring (12).
5. The dust-collecting blackboard for thinking of political affairs teaching according to claim 1, wherein: the dust collectors (14) are distributed equidistantly relative to the inside of the operation chamber (13), and the dust collection box (15) is communicated with the dust collectors (14).
6. The dust-collecting blackboard for thinking of political affairs teaching according to claim 1, wherein: the clamping strip (16) and the filter screen (17) are integrated, and the filter screen (17) forms a fixing structure with the material receiving frame (8) through the clamping strip (16).
CN202120370206.9U 2021-02-10 2021-02-10 Think political affairs and give lessons with dust-collecting blackboard Active CN214523027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120370206.9U CN214523027U (en) 2021-02-10 2021-02-10 Think political affairs and give lessons with dust-collecting blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120370206.9U CN214523027U (en) 2021-02-10 2021-02-10 Think political affairs and give lessons with dust-collecting blackboard

Publications (1)

Publication Number Publication Date
CN214523027U true CN214523027U (en) 2021-10-29

Family

ID=78235662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120370206.9U Active CN214523027U (en) 2021-02-10 2021-02-10 Think political affairs and give lessons with dust-collecting blackboard

Country Status (1)

Country Link
CN (1) CN214523027U (en)

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