CN210639416U - Projection arrangement for multimedia classroom - Google Patents

Projection arrangement for multimedia classroom Download PDF

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Publication number
CN210639416U
CN210639416U CN201921960962.6U CN201921960962U CN210639416U CN 210639416 U CN210639416 U CN 210639416U CN 201921960962 U CN201921960962 U CN 201921960962U CN 210639416 U CN210639416 U CN 210639416U
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CN
China
Prior art keywords
curtain
box
fixedly connected
air
fixed
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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
Application number
CN201921960962.6U
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Chinese (zh)
Inventor
李茂林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Vocational College of Technology and Business
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Guangzhou Vocational College of Technology and Business
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Priority to CN201921960962.6U priority Critical patent/CN210639416U/en
Application granted granted Critical
Publication of CN210639416U publication Critical patent/CN210639416U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an education technique field discloses a projection arrangement for multimedia classroom, including fixed box, be connected with storage mechanism in the inner chamber of fixed box, the top of fixed box inner chamber is connected with the dust removal mechanism that cleans, and the dust removal mechanism that cleans is located the top of fixed box, and the dust removal mechanism that cleans is located the outside one end of fixed box and is connected with dust collection mechanism, and storage mechanism includes fixed plate, bull stick, rotating electrical machines and curtain. The utility model discloses a rotating electrical machines drives the bull stick and rotates, has made things convenient for accomodating of curtain, and when the bull stick rotated, the dust removal mechanism that cleans could remove dust to the surface of curtain and adsorb the inside of leading-in dust collection mechanism with the dust of cleaing away and collect, has the convenience and cleans the curtain that removes dust, prevents that the more projected light transmissivity of curtain in the english teaching of influence of dust on the curtain, has increased the life of curtain.

Description

Projection arrangement for multimedia classroom
Technical Field
The utility model relates to an education technique field specifically is a projection arrangement for multimedia classroom.
Background
Multimedia classroom has the advantage that can mobilize student's enthusiasm for traditional classroom, need use multimedia teaching when english teaching, generally teach video or PPT projection on the curtain, the curtain is in order to let more students watch the top of generally installing at the blackboard, put down the curtain when teaching, but the blackboard is when writing, there are a lot of chalk dust to fly away in the air, can be infected with on the curtain when the curtain is put down, it can cause the curtain surface to become dirty not to clean the curtain for a long time, influence its light transmissivity, and current curtain is difficult to carry out effectual cleaning to it.
SUMMERY OF THE UTILITY MODEL
The utility model provides a projection arrangement for multimedia classroom, this projection arrangement for multimedia classroom have solved the problem that does not clean the light transmissivity that can influence the curtain for a long time to the curtain.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a projection device for a multimedia classroom comprises a fixed box, wherein an inner cavity of the fixed box is connected with a containing mechanism;
the top of the inner cavity of the fixed box is connected with a brushing and dust removing mechanism, and the brushing and dust removing mechanism is positioned above the fixed box;
one end of the brushing and dust removing mechanism, which is positioned outside the fixed box, is connected with the dust collecting mechanism;
the accommodating mechanism comprises a fixed plate, a rotating rod, a rotating motor and a curtain;
fixed plate fixed connection is in the left side of fixed box inner wall, the one end swing joint of bearing and bull stick is passed through on the right side of fixed plate, the other end of bull stick and rotating electrical machines's output fixed connection, rotating electrical machines fixed mounting is on fixed box inner wall, the surface of bull stick and the one end fixed connection of curtain, the other end of curtain runs through the conduction groove of seting up bottom the fixed box and extends to the outside of fixed box.
Preferably, the brushing and dust removing mechanism comprises a hydraulic rod, an air guide plate, an exhaust tube, bristles, an air guide tube, an air pump and a communicating tube;
the bottom of the hydraulic rod penetrates through the top of the fixing box and is fixedly connected with the fixing box, and one end of the hydraulic rod, which is positioned in the inner cavity of the fixing box, is fixedly connected with the middle part of the top of the air guide plate;
the bottom of the air guide plate is fixedly connected with an air exhaust pipe and bristles respectively, and the air exhaust pipe and the bristles are both positioned above the rotating rod;
the side surface of the air guide plate is fixedly communicated with one end of the air guide pipe, and the inner cavity of the air guide plate is hollow and is communicated with the air guide pipe and the exhaust pipe;
the other end of the air guide pipe penetrates through the fixing plate and is fixedly communicated with an air pump, and the air pump is fixedly arranged at the top of the inner cavity of the fixing box;
the gas outlet of air pump and the fixed intercommunication of one end of communicating pipe, the other end of communicating pipe runs through the bottom of fixed box and is connected with dust collection mechanism.
Preferably, the side face of the fixed plate is fixedly connected with a limiting plate, and the top of the limiting plate is attached to the bottom of the air guide plate.
Preferably, the dust collecting mechanism comprises a storage box, an exhaust pipe, a filter screen, a connecting block, a first magnet, a second magnet and a pull handle;
an air inlet formed in the top of the storage box is in threaded connection with the bottom end of the communicating pipe, and an exhaust pipe is inserted into the bottom of the storage box;
the top of the inner cavity of the exhaust pipe is fixedly connected with a filter screen;
the bottom of the outer surface of the exhaust pipe is fixedly connected with a connecting block, the bottom of the first magnet is fixedly connected with the top of the connecting block, the top of the second magnet is fixedly connected with the bottom of the storage box, and the first magnet is attached to the second magnet;
the bottom of the connecting block is fixedly connected with a pull handle.
Preferably, the first magnet and the second magnet have opposite magnetic poles.
Preferably, the outer surface of the pull handle is fixedly connected with a rubber sleeve, and the outer surface of the rubber sleeve is provided with anti-skid grains.
Borrow by above-mentioned technical scheme, the utility model provides a projection arrangement for multimedia classroom. The method at least has the following beneficial effects:
(1) this projection arrangement for multimedia classroom drives the bull stick through the rotating electrical machines and rotates, has made things convenient for accomodating of curtain, when the bull stick rotates, the dust removal mechanism that cleans can remove dust to the surface of curtain and the dust that will clear away adsorbs the inside of leading-in dust collection mechanism and collects, has the convenience and cleans the dust removal to the curtain, prevents that the more projected light transmissivity of curtain in the english teaching of influence of dust on the curtain, has increased the life of curtain.
(2) This projection arrangement for multimedia classroom through the setting of dismantling of blast pipe and receiver, has made things convenient for and has clear away the inside dust of receiver to made things convenient for the clearance to the filter screen, through the absorption of first magnet and second magnet, increased the stability of blast pipe, made things convenient for the dismantlement to the blast pipe.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of part A in FIG. 1 according to the present invention;
fig. 3 is a bottom view of the air guide plate of fig. 1 according to the present invention.
In the figure: 1, a fixing box, 2, a containing mechanism, 201, a fixing plate, 202, 203, a rotating motor and 204 curtains;
3, a cleaning and dust removing mechanism, a 301 hydraulic rod, a 302 air guide plate, a 303 air exhaust pipe, 304 bristles, a 305 limiting plate, a 306 air guide pipe, a 307 air pump and 308 communicating pipes;
4 dust collection mechanism, 401 storage box, 402 exhaust pipe, 403 filter, 404 connecting block, 405 first magnet, 406 second magnet, 407 pull handle.
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.
Referring to fig. 1-3, the present invention provides a technical solution:
a projection device for a multimedia classroom comprises a fixed box 1, wherein an inner cavity of the fixed box 1 is connected with a containing mechanism 2;
the top of the inner cavity of the fixed box 1 is connected with a brushing and dust removing mechanism 3, and the brushing and dust removing mechanism 3 is positioned above the fixed box 1;
one end of the brushing and dust removing mechanism 3, which is positioned outside the fixed box 1, is connected with the dust collecting mechanism 4;
the receiving mechanism 2 comprises a fixed plate 201, a rotating rod 202, a rotating motor 203 and a curtain 204;
fixed plate 201 fixed connection is in the left side of fixed box 1 inner wall, the one end swing joint of bearing and bull stick 202 is passed through on the right side of fixed plate 201, the other end of bull stick 202 and the output fixed connection of rotating electrical machines 203, rotating electrical machines 203 fixed mounting is on fixed box 1 inner wall, the surface of bull stick 202 and the one end fixed connection of curtain 204, the other end of curtain 204 runs through the conduction groove of seting up bottom fixed box 1 and extends to the outside of fixed box 1.
Drive bull stick 202 through rotating electrical machines 203 and rotate, made things convenient for accomodating of curtain 204, when bull stick 202 rotates, the dust removal mechanism 3 of brushing can remove dust and will drive the inside of leading-in dust collection mechanism 4 of dust absorption to the surface of curtain 204 and collect, it cleans to have the convenience and removes dust to curtain 204, prevent that the more projected light transmissivity of curtain 204 in the english teaching of influence of dust on curtain 204, the life of curtain 204 has been increased.
The brushing and dust removing mechanism 3 comprises a hydraulic rod 301, an air guide plate 302, an air exhaust pipe 303, bristles 304, an air guide pipe 306, an air pump 307 and a communicating pipe 308;
the bottom of the hydraulic rod 301 penetrates through the top of the fixing box 1 and is fixedly connected with the fixing box 1, and one end of the hydraulic rod 301, which is positioned in the inner cavity of the fixing box 1, is fixedly connected with the middle of the top of the air guide plate 302;
the bottom of the air guide plate 302 is fixedly connected with an air exhaust pipe 303 and bristles 304 respectively, and the air exhaust pipe 303 and the bristles 304 are both positioned above the rotating rod 202;
the setting through hydraulic stem 301 can drive exhaust tube 303 and brush hair 304 on the air guide plate 302 and go up and down, makes exhaust tube 303 and brush hair 304 and curtain 204 laminating or separation, has made things convenient for the washing to curtain 204, and when need not to wash curtain 204, makes exhaust tube 303 and brush hair 304 and curtain 204 separation, prevents that brush hair 304 from influencing the lift of curtain 204.
The side surface of the air guide plate 302 is fixedly communicated with one end of the air guide pipe 306, and the inner cavity of the air guide plate 302 is hollow and is communicated with the air guide pipe 306 and the exhaust pipe 303;
the other end of the air duct 306 penetrates through the fixing plate 201 and is fixedly communicated with the air pump 307, and the air pump 307 is fixedly arranged at the top of the inner cavity of the fixing box 1;
an air outlet of the air pump 307 is fixedly communicated with one end of the communicating pipe 308, and the other end of the communicating pipe 308 penetrates through the bottom of the fixed box 1 and is connected with the dust collecting mechanism 4.
The side fixedly connected with limiting plate 305 of fixed plate 201, and the top of limiting plate 305 and air guide plate 302's bottom laminating have prescribed a limit to air guide plate 302's lifting range through limiting plate 305's setting.
The dust collection mechanism 4 includes a storage box 401, an exhaust pipe 402, a filter screen 403, a connection block 404, a first magnet 405, a second magnet 406, and a pull handle 407;
an air inlet formed in the top of the storage box 401 is in threaded connection with the bottom end of the communicating pipe 308, and an exhaust pipe 402 is inserted into the bottom of the storage box 401;
the top of the inner cavity of the exhaust pipe 402 is fixedly connected with a filter screen 403;
the bottom of the outer surface of the exhaust pipe 402 is fixedly connected with a connecting block 404, the bottom of a first magnet 405 is fixedly connected with the top of the connecting block 404, the top of a second magnet 406 is fixedly connected with the bottom of the containing box 401, the first magnet 405 and the second magnet 406 are attached, and the magnetic poles of the opposite surfaces of the first magnet 405 and the second magnet 406 are opposite;
the exhaust pipe 402 and the storage box 401 can be conveniently detached through the magnetic adsorption.
The bottom fixedly connected with of connecting block 404 draws handle 407, draws the outer fixed surface of handle 407 to be connected with the rubber sleeve, and the surface of rubber sleeve has seted up anti-skidding line.
Through the setting of dismantling of blast pipe 402 and receiver 401, made things convenient for and clear away the inside dust of receiver 401 to made things convenient for the clearance to filter screen 403, through the absorption of first magnet 405 and second magnet 406, increased the stability of blast pipe 402, made things convenient for the dismantlement to blast pipe 402.
When the curtain 204 is cleaned, the rotating motor 203 and the air pump 307 are started to drive the rotating rod 202 to rotate when the curtain 204 needs to be cleaned, the curtain 204 is stored, the hydraulic rod 301 is started to drive the air guide plate 302 to descend to be attached to the limiting plate 305, the bristles 304 brush dust on the curtain 204 when the rotating rod 202 rotates, the air pump 307 exhausts air to enable the inside of the air guide plate 302 to be in a negative pressure state, the dust is collected through the air exhaust pipe 303, the air guide plate 302, the air pump 307 and the communicating pipe 308, the air is guided into the storage box 401, and the air entering the inside of the storage box 401 is filtered through the filter screen 403 and is exhausted through the exhaust pipe 402.
When dust in storage box 401 needs to be cleaned, storage box 401 is rotated to separate storage box 401 from communication pipe 308, pull handle 407 to separate first magnet 405 and second magnet 406, separate exhaust pipe 402 from storage box 401, clean filter mesh 403, and dump dust in storage box 401.
It is right above that the utility model provides a projection arrangement for multimedia classroom has introduced in detail. The utility model discloses it is right to have used specific individual example the utility model discloses a principle and implementation have been elucidated, and the explanation of above embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (6)

1. A projection device for a multimedia classroom comprises a fixed box (1), and is characterized in that: the inner cavity of the fixed box (1) is connected with a containing mechanism (2);
the top of the inner cavity of the fixed box (1) is connected with a brushing and dust removing mechanism (3), and the brushing and dust removing mechanism (3) is positioned above the fixed box (1);
one end of the brushing and dust removing mechanism (3) positioned outside the fixed box (1) is connected with the dust collecting mechanism (4);
the accommodating mechanism (2) comprises a fixing plate (201), a rotating rod (202), a rotating motor (203) and a curtain (204);
fixed plate (201) fixed connection is in the left side of fixed box (1) inner wall, the one end swing joint of bearing and bull stick (202) is passed through on the right side of fixed plate (201), the other end of bull stick (202) and the output fixed connection of rotating electrical machines (203), rotating electrical machines (203) fixed mounting is on fixed box (1) inner wall, the surface of bull stick (202) and the one end fixed connection of curtain (204), the other end of curtain (204) runs through the conduction groove of seting up bottom fixed box (1) and extends to the outside of fixed box (1).
2. The projection apparatus for a multimedia classroom as claimed in claim 1, wherein: the brushing and dust removing mechanism (3) comprises a hydraulic rod (301), an air guide plate (302), an air suction pipe (303), bristles (304), an air guide pipe (306), an air pump (307) and a communicating pipe (308);
the bottom of the hydraulic rod (301) penetrates through the top of the fixing box (1) and is fixedly connected with the fixing box (1), and one end, located in the inner cavity of the fixing box (1), of the hydraulic rod (301) is fixedly connected with the middle of the top of the air guide plate (302);
the bottom of the air guide plate (302) is fixedly connected with an air exhaust pipe (303) and bristles (304) respectively, and the air exhaust pipe (303) and the bristles (304) are both positioned above the rotating rod (202);
the side surface of the air guide plate (302) is fixedly communicated with one end of the air guide pipe (306), and the inner cavity of the air guide plate (302) is hollow and is communicated with the air guide pipe (306) and the exhaust pipe (303);
the other end of the air duct (306) penetrates through the fixing plate (201) and is fixedly communicated with an air pump (307), and the air pump (307) is fixedly arranged at the top of the inner cavity of the fixing box (1);
an air outlet of the air pump (307) is fixedly communicated with one end of the communicating pipe (308), and the other end of the communicating pipe (308) penetrates through the bottom of the fixed box (1) and is connected with the dust collecting mechanism (4).
3. The projection apparatus for a multimedia classroom as claimed in claim 2, wherein: the side fixedly connected with limiting plate (305) of fixed plate (201), and the top of limiting plate (305) and the bottom laminating of air guide plate (302).
4. A projection apparatus for use in a multimedia classroom as defined in claim 3, wherein: the dust collecting mechanism (4) comprises a storage box (401), an exhaust pipe (402), a filter screen (403), a connecting block (404), a first magnet (405), a second magnet (406) and a pull handle (407);
an air inlet formed in the top of the storage box (401) is in threaded connection with the bottom end of the communicating pipe (308), and an exhaust pipe (402) is inserted into the bottom of the storage box (401);
the top of the inner cavity of the exhaust pipe (402) is fixedly connected with a filter screen (403);
the bottom of the outer surface of the exhaust pipe (402) is fixedly connected with a connecting block (404), the bottom of the first magnet (405) is fixedly connected with the top of the connecting block (404), the top of the second magnet (406) is fixedly connected with the bottom of the storage box (401), and the first magnet (405) is attached to the second magnet (406);
the bottom of the connecting block (404) is fixedly connected with a pull handle (407).
5. The projection apparatus for use in a multimedia classroom as claimed in claim 4, wherein: the first magnet (405) and the second magnet (406) have opposite magnetic poles.
6. The projection apparatus for use in a multimedia classroom as claimed in claim 4, wherein: the outer surface of the pull handle (407) is fixedly connected with a rubber sleeve, and the outer surface of the rubber sleeve is provided with anti-skid grains.
CN201921960962.6U 2019-11-13 2019-11-13 Projection arrangement for multimedia classroom Expired - Fee Related CN210639416U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921960962.6U CN210639416U (en) 2019-11-13 2019-11-13 Projection arrangement for multimedia classroom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921960962.6U CN210639416U (en) 2019-11-13 2019-11-13 Projection arrangement for multimedia classroom

Publications (1)

Publication Number Publication Date
CN210639416U true CN210639416U (en) 2020-05-29

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ID=70795773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921960962.6U Expired - Fee Related CN210639416U (en) 2019-11-13 2019-11-13 Projection arrangement for multimedia classroom

Country Status (1)

Country Link
CN (1) CN210639416U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112289083A (en) * 2020-10-29 2021-01-29 小飞鱼智能科技(广东)有限公司 Picture play display device for internet education
CN113477577A (en) * 2021-07-08 2021-10-08 鲁迅美术学院 Multimedia English teaching equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112289083A (en) * 2020-10-29 2021-01-29 小飞鱼智能科技(广东)有限公司 Picture play display device for internet education
CN113477577A (en) * 2021-07-08 2021-10-08 鲁迅美术学院 Multimedia English teaching equipment

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20200529

Termination date: 20201113