CN210573149U - Multimedia device with heat dissipation dustproof construction for classroom - Google Patents
Multimedia device with heat dissipation dustproof construction for classroom Download PDFInfo
- Publication number
- CN210573149U CN210573149U CN201921195533.4U CN201921195533U CN210573149U CN 210573149 U CN210573149 U CN 210573149U CN 201921195533 U CN201921195533 U CN 201921195533U CN 210573149 U CN210573149 U CN 210573149U
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- heat dissipation
- connecting rod
- baffle
- classroom
- motor
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Abstract
The utility model discloses a multimedia equipment is used in classroom with heat dissipation dustproof construction, including shell body, projector body, motor and stay cord, the inside of shell body is provided with the projector body, and the left end of shell body is fixed with the support shell to install the motor on the left side inner wall of support shell, the exhaust flabellum is installed to the right-hand member of motor, and the right side of exhaust flabellum is provided with the spread groove, and the spread groove is seted up in the left side inner wall of shell body. This multimedia device for classroom with heat dissipation dustproof construction is provided with exhaust flabellum and baffle, and the motor of connecting can rotate along with the work of projecting apparatus after the power conversion through the projecting apparatus, realizes the heat dissipation operation to the device inside through the air discharge fan, has improved the radiating efficiency of device, and accessible baffle shelters from the thermovent, avoids inside the dust passes through thermovent entering equipment when the device does not carry out the during operation, has improved the practicality of device.
Description
Technical Field
The utility model relates to a multimedia device technical field specifically is a multimedia device is used in classroom with heat dissipation dustproof construction.
Background
The multimedia equipment for the classroom mainly comprises a projector, a display screen, a computer and other equipment, wherein the projector is important equipment for outputting pictures, but the existing projector equipment has some defects when in use:
1. the existing projector can generate a large amount of heat in the use process, the existing projector mostly adopts a mode of arranging a heat dissipation port to dissipate heat, the heat dissipation efficiency is low, dust easily enters the equipment through the heat dissipation hole when the device is shut down, the normal work of the equipment is influenced, and the service life of the equipment is shortened;
2. most of the existing projectors do not have a dustproof dust removal structure, dust is easily accumulated on the upper surface of the projector after the projector is placed for a long time, and the accumulation of the dust easily influences the heat dissipation of the device, so that the temperature rise of equipment is accelerated, the equipment is not favorable for use, and the practicability of the equipment is reduced.
In order to solve the above problems, innovative design based on the multimedia device for the original classroom is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multimedia device is used in classroom with heat dissipation dustproof construction to solve the present market that above-mentioned background art provided and to have on the most mode that adopts the thermovent to dispel the heat to it, radiating efficiency is lower, and inside the device was closed the easy process louvre entering equipment of dust, and the problem that dustproof dust removal structure is not possessed to the great majority of present projecting apparatus.
In order to achieve the above object, the utility model provides a following technical scheme: a multimedia device with a heat dissipation and dust prevention structure for classrooms comprises an outer shell, a projector body, a motor and a pull rope, wherein the projector body is arranged inside the outer shell, a supporting shell is fixed at the left end of the outer shell, the motor is arranged on the inner wall of the left side of the supporting shell, an exhaust fan blade is arranged at the right end of the motor, a connecting groove is formed in the right side of the exhaust fan blade, the connecting groove is formed in the inner wall of the left side of the outer shell, a baffle is arranged inside the connecting groove, reset springs are arranged at the upper end and the lower end of the baffle, the pull rope is fixed at the upper end of the baffle, a connecting rod is arranged at the right end of the pull rope, a limiting groove is arranged on the outer side of the connecting rod, the limiting groove is formed in the upper surface of the outer shell, a, and the left and right sides of fixed block all seted up the sliding tray on the surface, the left and right sides of fixed block all is provided with the brush board.
Preferably, the left side of the outer shell is of an opening-shaped structure, the horizontal center line of the opening in the left side of the outer shell is superposed with the horizontal center line of the supporting shell, and the supporting shell is connected with the motor through screws.
Preferably, be sliding connection between baffle and the spread groove, and the baffle size is greater than the left opening size of shell body to be the screw connection between baffle and the stay cord.
Preferably, the upper end of connecting rod is located and constitutes to rotate between the inside of fixed block and the fixed block and is connected, and is sliding connection between connecting rod and the spacing groove to constitute the block between connecting rod and the fixed slot and be connected.
Preferably, the brush boards are symmetrically arranged at the left and right sides of the center line of the fixing block, and the inner sides of the 2 brush boards are movably connected with the fixing block through sliding grooves.
Compared with the prior art, the beneficial effects of the utility model are that: the multimedia equipment with the heat dissipation dustproof structure for the classroom;
(1) the exhaust fan blades and the baffle are arranged, the motor connected after the power supply of the projector is converted can rotate along with the work of the projector, the heat dissipation operation inside the device is realized through the exhaust fan, the heat dissipation efficiency of the device is improved, the heat dissipation port can be shielded through the baffle, dust is prevented from entering the equipment through the heat dissipation port when the device does not work, and the practicability of the device is improved;
(2) be provided with fixed block, stay cord and brush board, remove dust to the upper surface of equipment through promoting the fixed block drive brush board before the device is started, and remove through passing through stay cord pulling baffle in the activity of fixed block, make the thermovent of device keep the state of opening, be convenient for follow-up dispel the heat to the device, accomplish the dust removal operation to equipment, guarantee the subsequent steady operation of equipment, increase the functionality of device.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic view of the top-down structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4 according to the present invention;
fig. 6 is a schematic view of the circuit connection structure of the motor of the present invention.
In the figure: 1. an outer housing; 2. a projector body; 3. a support housing; 4. a motor; 5. an exhaust fan blade; 6. connecting grooves; 7. a baffle plate; 8. a return spring; 9. pulling a rope; 10. a connecting rod; 11. a fixed block; 12. a sliding groove; 13. a torsion spring; 14. brushing the board; 15. a limiting groove; 16. and fixing the grooves.
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. 1-6, the present invention provides a technical solution: a multimedia device with a heat dissipation and dust prevention structure for classrooms comprises an outer shell 1, a projector body 2, a supporting shell 3, a motor 4, an exhaust fan blade 5, a connecting groove 6, a baffle 7, a reset spring 8, a pull rope 9, a connecting rod 10, a fixing block 11, a sliding groove 12, a torsion spring 13, a brush board 14, a limiting groove 15 and a fixing groove 16, wherein the projector body 2 is arranged inside the outer shell 1, the supporting shell 3 is fixed at the left end of the outer shell 1, the motor 4 is arranged on the inner wall of the left side of the supporting shell 3, the exhaust fan blade 5 is arranged at the right end of the motor 4, the connecting groove 6 is arranged at the right side of the exhaust fan blade 5, the connecting groove 6 is arranged in the inner wall of the left side of the outer shell 1, the baffle 7 is arranged inside the connecting groove 6, the reset spring 8 is arranged at the upper end and the lower end of, a limiting groove 15 is formed in the outer side of the connecting rod 10, the limiting groove 15 is formed in the upper surface of the outer shell 1, a fixing groove 16 is formed in the right lower end of the limiting groove 15, a torsion spring 13 is mounted on the outer surface of the connecting rod 10, a fixing block 11 is arranged at the upper end of the connecting rod 10, sliding grooves 12 are formed in the surfaces of the left side and the right side of the fixing block 11, and brush plates 14 are arranged on the left side and the right side of the fixing block 11;
the left side of the outer shell 1 is of an open structure, the horizontal center line of the opening in the left side of the outer shell 1 is superposed with the horizontal center line of the supporting shell 3, and the supporting shell 3 is connected with the motor 4 through screws, so that the supporting shell 3 provides stable support for the motor 4, the normal work of the motor 4 is ensured, meanwhile, the motor 4 performs heat dissipation operation on the projector body 2 in the outer shell 1 through the exhaust fan blades 5, and the heat dissipation speed of the device is improved;
the baffle 7 is in sliding connection with the connecting groove 6, the size of the baffle 7 is larger than that of the opening on the left side of the outer shell 1, and the baffle 7 is in screw connection with the pull rope 9;
the upper end of the connecting rod 10 is positioned inside the fixing block 11 and is in rotating connection with the fixing block 11, the connecting rod 10 is in sliding connection with the limiting groove 15, the connecting rod 10 is in clamping connection with the fixing groove 16, the fixing block 11 can move above the outer shell 1 through the connecting rod 10 due to the structural design, and meanwhile the position of the fixing block 11 is effectively fixed through the clamping connection between the connecting rod 10 and the fixing groove 16, so that the overall stability of the device is improved;
The working principle is as follows: when the multimedia device with the heat dissipation and dust prevention structure is used in a classroom, firstly, before the power supply of the projector body 2 is started, the fixing block 11 is pushed rightwards, as shown in fig. 1, 3 and 4, the fixing block 11 slides in the limiting groove 15 through the connecting rod 10, meanwhile, the connecting rod 10 unreels the pull rope 9 wound on the surface of the fixing block, the connecting rod 10 stores force on the torsion spring 13 while unreeling and rotating, as shown in fig. 5, after the pull rope 9 on the surface of the connecting rod 10 unreels, the pull rope 9 is continuously pulled to drive the baffle 7 to slide in the connecting groove 6, and meanwhile, the baffle 7 extrudes the reset spring 8, so that the opening of the left side of the outer shell 1 is opened, and the device is prepared to be subjected to heat dissipation work subsequently;
during the moving process of the fixed block 11, the brush plate 14 is driven to perform dust removal operation on the upper surface of the outer shell 1, when the fixed block 11 moves to the right end of the outer shell 1, the connecting rod 10 falls into the fixed groove 16 under the action of gravity to be clamped with the fixed groove 16, meanwhile, the brush plate 14 moves upwards through the sliding groove 12 to complete the fixation of the connecting rod 10, so that the connecting rod 10 fixes the position of the baffle 7 through the pull rope 9, then the power supply of the projector body 2 can be started to work, when the power supply of the projector body 2 is switched on, the power supply of the projector body 2 shown in fig. 6 is converted and then transmitted to the motor 4, so that the motor 4 rotates, when the motor 4 works, the heat dissipation operation of the projector body 2 is realized by driving the exhaust fan blades 5, and the heat dissipation speed of the device is improved;
after the device finishes using, close its power, then upwards stimulate fixed block 11, make and break away from the block between connecting rod 10 and the fixed slot 16, reset spring 8 will promote baffle 7 through elasticity and remove simultaneously, make baffle 7 reset, baffle 7 moves through stay cord 9 pulling connecting rod 10 simultaneously, connecting rod 10 will drive connecting rod 10 and rotate and carry out the rolling to stay cord 9 at the in-process torque spring 13 that removes, make fixed block 11 reset, remove dust to the upper surface of outer casing 1 once more simultaneously, the backplate 7 that finishes will continue to shelter from to the left opening part of outer casing 1, avoid the dust to fall into in the device, improve the practicality of device.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a multimedia device is used in classroom with heat dissipation dustproof construction, includes shell body (1), projecting apparatus body (2), motor (4) and stay cord (9), its characterized in that: the projector comprises an outer shell (1), a projector body (2) is arranged in the outer shell (1), a supporting shell (3) is fixed at the left end of the outer shell (1), a motor (4) is installed on the inner wall of the left side of the supporting shell (3), an exhaust fan blade (5) is installed at the right end of the motor (4), a connecting groove (6) is formed in the right side of the exhaust fan blade (5), the connecting groove (6) is formed in the inner wall of the left side of the outer shell (1), a baffle (7) is arranged in the connecting groove (6), reset springs (8) are arranged at the upper end and the lower end of the baffle (7), a pull rope (9) is fixed at the upper end of the baffle (7), a connecting rod (10) is arranged at the right end of the pull rope (9), a limiting groove (15) is formed in the outer side of the connecting rod (10), the limiting groove (15) is formed in the upper surface of, the outer surface mounting of connecting rod (10) has torsion spring (13), and the upper end of connecting rod (10) is provided with fixed block (11) to sliding tray (12) have all been seted up on the left and right sides surface of fixed block (11), the left and right sides of fixed block (11) all is provided with brush board (14).
2. The multimedia device for classroom with heat dissipation and dust prevention structure as set forth in claim 1, wherein: the left side of the outer shell (1) is of an open structure, the horizontal center line of the opening on the left side of the outer shell (1) is overlapped with the horizontal center line of the supporting shell (3), and the supporting shell (3) is connected with the motor (4) through screws.
3. The multimedia device for classroom with heat dissipation and dust prevention structure as set forth in claim 1, wherein: be sliding connection between baffle (7) and spread groove (6), and the size of baffle (7) is greater than the left opening size of shell body (1) to be the screw connection between baffle (7) and stay cord (9).
4. The multimedia device for classroom with heat dissipation and dust prevention structure as set forth in claim 1, wherein: the upper end of connecting rod (10) is located and constitutes to rotate between the inside of fixed block (11) and is connected, and is sliding connection between connecting rod (10) and spacing groove (15), and constitutes the block between connecting rod (10) and fixed slot (16) and is connected.
5. The multimedia device for classroom with heat dissipation and dust prevention structure as set forth in claim 1, wherein: the number of the brush plates (14) is 2 about the center line of the fixed block (11), and the inner sides of the 2 brush plates (14) are movably connected with the fixed block (11) through the sliding grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195533.4U CN210573149U (en) | 2019-07-29 | 2019-07-29 | Multimedia device with heat dissipation dustproof construction for classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195533.4U CN210573149U (en) | 2019-07-29 | 2019-07-29 | Multimedia device with heat dissipation dustproof construction for classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210573149U true CN210573149U (en) | 2020-05-19 |
Family
ID=70659502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921195533.4U Expired - Fee Related CN210573149U (en) | 2019-07-29 | 2019-07-29 | Multimedia device with heat dissipation dustproof construction for classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210573149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111694203A (en) * | 2020-07-06 | 2020-09-22 | 江西财经大学 | Intelligent teaching projection equipment for management science and engineering |
| CN112485956A (en) * | 2020-12-10 | 2021-03-12 | 阜阳市世科智能设备有限公司 | Multimedia equipment for smart home and use method |
-
2019
- 2019-07-29 CN CN201921195533.4U patent/CN210573149U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111694203A (en) * | 2020-07-06 | 2020-09-22 | 江西财经大学 | Intelligent teaching projection equipment for management science and engineering |
| CN112485956A (en) * | 2020-12-10 | 2021-03-12 | 阜阳市世科智能设备有限公司 | Multimedia equipment for smart home and use method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20200729 |