CN215679022U

CN215679022U - Heat dissipation dustproof construction of multimedia projector

Info

Publication number: CN215679022U
Application number: CN202122389262.XU
Authority: CN
Inventors: 王培冀; 王璐; 李兰; 王冬梅; 胡金良
Original assignee: Zhengzhou Mobile Digital Technology Co ltd
Current assignee: Zhengzhou Mobile Digital Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-28
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the technical field of multimedia equipment, in particular to a heat dissipation dustproof structure of a multimedia projector, which can improve the convenience of dust cleaning, avoid dust accumulation and ensure the heat dissipation effect; including the under casing, the transmission case, including a motor, an end cap, a controller, and a cover plate, driven screw, the drive belt pulley, driven pulley, the belt, the multiunit guide bar, two sets of connecting plates, two sets of clean case and multiunit micro fan, both ends all are equipped with a set of heating panel around the under casing, be equipped with the multiunit louvre on the heating panel, transmission case bottom and under casing top intercommunication, motor fixed mounting is on the transmission case top, the output of motor is equipped with the drive screw, the drive screw rotates and installs in the under casing, driven screw rotates and installs in the under casing, the fixed cover of drive belt pulley is established on the drive screw top, the fixed cover of driven pulley is established on the driven screw top, connect through belt transmission between drive belt pulley and the driven pulley, multiunit guide bar difference fixed mounting is in the under casing.

Description

Heat dissipation dustproof construction of multimedia projector

Technical Field

The utility model relates to the technical field of multimedia equipment, in particular to a heat dissipation dustproof structure of a multimedia projector.

Background

Multimedia projectors can display text, graphics, images, and video. Multimedia projectors are widely used in a variety of industries and fields.

Be equipped with the louvre on multimedia projector's the outer container, when the projecting apparatus operation, produce more heat, hot-air passes through the louvre and discharges, and in outside dust got into the louvre, easily caused the dust to save, influence the heat dissipation on the contrary to the staff is not convenient for clear up these dusts.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a heat dissipation dustproof structure of a multimedia projector, which can improve the convenience of dust cleaning, avoid dust accumulation and ensure the heat dissipation effect.

The utility model relates to a heat dissipation dustproof structure of a multimedia projector, which comprises a bottom box, a transmission box, a motor, a driven screw, a driving belt pulley, a driven belt pulley, a belt, a plurality of groups of guide rods, two groups of connecting plates, two groups of cleaning boxes and a plurality of groups of micro fans, wherein the front end and the rear end of the bottom box are respectively provided with a group of heat dissipation plates, the heat dissipation plates are provided with a plurality of groups of heat dissipation holes, the bottom end of the transmission box is communicated with the top end of the bottom box, the motor is fixedly arranged at the top end of the transmission box, the output end of the motor is provided with the driving screw, the driving screw is rotatably arranged in the bottom box, the driven screw is rotatably arranged in the bottom box, the driving belt pulley is fixedly sleeved at the top end of the driving screw, the driven belt pulley is fixedly sleeved at the top end of the driven screw, the driving belt pulley and the driven belt pulley are in transmission connection through the belt, the plurality of groups of guide rods are respectively and fixedly arranged in the bottom box, the two groups of connecting plates are respectively in threaded connection with the driving screw and the driven screw, and the multiunit connecting plate slides respectively and passes multiunit guide bar, two sets of clean case respectively with two sets of connecting plate fixed connection, multiunit micro fan fixed mounting respectively in two sets of clean incasement, the outer wall of two sets of clean cases all is equipped with multiunit exhaust vent and multiunit cleaning brush, cleaning brush can with the contact of heating panel inner wall.

The utility model discloses a heat-dissipation dustproof structure of a multimedia projector, which further comprises three groups of access covers, wherein the front end of a transmission box is provided with an access hole, the top ends of two groups of cleaning boxes are respectively provided with an access hole, and the three groups of access covers are respectively arranged at the access holes.

The utility model discloses a heat-dissipation dustproof structure of a multimedia projector, which further comprises three groups of observation windows, wherein the three groups of observation windows are respectively arranged on three groups of maintenance covers.

The utility model discloses a heat-dissipation dustproof structure of a multimedia projector, which further comprises three groups of handles, wherein the three groups of handles are respectively and fixedly arranged on three groups of maintenance covers.

The utility model discloses a heat-dissipation dustproof structure of a multimedia projector, which further comprises a plurality of groups of sliding sleeves, wherein the sliding sleeves are respectively and fixedly arranged in through holes of two groups of connecting plates, and a guide rod penetrates through the sliding sleeves.

According to the heat dissipation dustproof structure of the multimedia projector, the surface of each group of handles is provided with the anti-skid grains.

According to the heat dissipation dustproof structure of the multimedia projector, the heat dissipation plate and the transmission case are made of stainless steel materials.

According to the heat dissipation dustproof structure of the multimedia projector, the driving lead screw and the driven lead screw are made of hard alloy steel materials.

Compared with the prior art, the utility model has the beneficial effects that: when the louvre of heating panel needs is cleared up, starter motor so, the transmission drives the initiative lead screw and rotates, drives belt and driven lead screw rotation simultaneously to drive two sets of connecting plates respectively and reciprocate, drive two sets of clean boxes simultaneously and reciprocate, make multiunit cleaning brush clear up the louvre, start multiunit micro fan simultaneously, wind is discharged through the exhaust vent, blows off the dirt of louvre outwards, can improve the convenience of dust clearance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram showing a sectional structure of a heat radiating plate and a cleaning tank connected to each other in a right view;

FIG. 3 is a right side sectional view of the radiator plate and the cleaning tank;

FIG. 4 is a schematic top view of the connection of the cleaning tank and the cleaning brush;

FIG. 5 is a schematic sectional top view of the connection between the cleaning tank and the micro-fan;

in the drawings, the reference numbers: 1. a bottom box; 2. a heat dissipation plate; 3. a transmission case; 4. a motor; 5. an active lead screw; 6. a driven lead screw; 7. a drive pulley; 8. a driven pulley; 9. a belt; 10. a guide bar; 11. a connecting plate; 12. a cleaning tank; 13. a micro fan; 14. an air outlet; 15. cleaning a brush; 16. an access cover; 17. an observation window; 18. a handle; 19. a sliding sleeve; 20. and (4) anti-skid lines.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in FIGS. 1 to 5, the heat dissipation and dust prevention structure of a multimedia projector of the present invention comprises a bottom case 1, a transmission case 3, a motor 4, a driven screw 6, a driving pulley 7, a driven pulley 8, a belt 9, a plurality of sets of guide rods 10, two sets of connecting plates 11, two sets of cleaning cases 12 and a plurality of sets of micro fans 13, wherein a set of heat dissipation plates 2 are respectively arranged at the front and rear ends of the bottom case 1, a plurality of sets of heat dissipation holes are arranged on the heat dissipation plates 2, the bottom end of the transmission case 3 is communicated with the top end of the bottom case 1, the motor 4 is fixedly arranged at the top end of the transmission case 3, the output end of the motor 4 is provided with the driving screw 5, the driving screw 5 is rotatably arranged in the bottom case 1, the driven screw 6 is rotatably arranged in the bottom case 1, the driving pulley 7 is fixedly sleeved at the top end of the driving screw 5, the driven pulley 8 is fixedly sleeved at the top end of the driven screw 6, and the driving pulley 7 is in transmission connection with the driven pulley 8 through the belt 9, the multiple groups of guide rods 10 are respectively and fixedly arranged in the bottom box 1, the two groups of connecting plates 11 are respectively in threaded connection with the driving lead screw 5 and the driven lead screw 6, the multiple groups of connecting plates 11 respectively slide through the multiple groups of guide rods 10, the two groups of cleaning boxes 12 are respectively and fixedly connected with the two groups of connecting plates 11, the multiple groups of micro fans 13 are respectively and fixedly arranged in the two groups of cleaning boxes 12, the outer walls of the two groups of cleaning boxes 12 are respectively provided with multiple groups of air outlet holes 14 and multiple groups of cleaning brushes 15, and the cleaning brushes 15 can be in contact with the inner wall of the heat dissipation plate 2; when the louvre of heating panel 2 needs to be cleared up, starter motor 4 so, the transmission drives initiative lead screw 5 and rotates, drive belt 9 and driven lead screw 6 simultaneously and rotate, and drive two sets of connecting plates 11 respectively and reciprocate, drive two sets of clean boxes 12 simultaneously and reciprocate, make multiunit clearance brush 15 clear up the louvre, start multiunit micro fan 13 simultaneously, wind is discharged through exhaust vent 14, outwards blow off the dirt that blows of louvre, can improve the convenience of dust clearance.

The heat dissipation dustproof structure of the multimedia projector further comprises three groups of access covers 16, wherein the front end of the transmission case 3 is provided with an access hole, the top ends of the two groups of cleaning cases 12 are provided with access holes, and the three groups of access covers 16 are respectively arranged at the access holes; by arranging the access cover 16, the electric elements inside the transmission case 3 and inside the cleaning case 12 are convenient to overhaul, and convenience is improved.

The heat dissipation dustproof structure of the multimedia projector further comprises three groups of observation windows 17, wherein the three groups of observation windows 17 are respectively arranged on the three groups of access covers 16; through setting up observation window 17, be convenient for look over inside transmission case 3 and clean case 12, improve the practicality.

The heat dissipation dustproof structure of the multimedia projector further comprises three groups of handles 18, wherein the three groups of handles 18 are respectively and fixedly arranged on the three groups of access covers 16; by providing the handle 18, the access cover 16 can be easily opened, and convenience can be improved.

The utility model relates to a heat-dissipation dustproof structure of a multimedia projector, which further comprises a plurality of groups of sliding sleeves 19, wherein the plurality of groups of sliding sleeves 19 are respectively and fixedly arranged in through holes of two groups of connecting plates 11, and a guide rod 10 penetrates through the sliding sleeves 19; through setting up sliding sleeve 19, be convenient for connecting plate 11's upper and lower slip improves smooth and easy nature.

According to the heat dissipation and dust prevention structure of the multimedia projector, the surface of each group of handles 18 is provided with the anti-skid grains 20; by providing the anti-slip threads 20, the friction of the access cover 16 can be increased, preventing the hand from slipping.

According to the heat dissipation dustproof structure of the multimedia projector, the heat dissipation plate 2 and the transmission case 3 are made of stainless steel materials; the structural strength of the heat dissipation plate 2 and the transmission case 3 can be enhanced, the heat dissipation plate is not easy to deform and rust, and the service life of the heat dissipation plate is prolonged.

According to the heat dissipation dustproof structure of the multimedia projector, the driving lead screw 5 and the driven lead screw 6 are made of hard alloy steel; the structural strength of the driving lead screw 5 and the driven lead screw 6 can be enhanced, the deformation is not easy, and the stability is improved.

When the heat dissipation dustproof structure of the multimedia projector works, when heat dissipation holes of a heat dissipation plate 2 need to be cleaned, a motor 4 is started to drive a driving lead screw 5 to rotate, a belt 9 and a driven lead screw 6 are driven to rotate simultaneously, two groups of connecting plates 11 are respectively driven to move up and down, two groups of cleaning boxes 12 are driven to move up and down simultaneously, a plurality of groups of cleaning brushes 15 are used for cleaning the heat dissipation holes, a plurality of groups of micro fans 13 are started simultaneously, wind is discharged through an air outlet 14, dust blowing of the heat dissipation holes is blown outwards, convenience of dust cleaning can be improved, a worker can check working conditions in the driving box 3 and the cleaning boxes 12 through an observation window 17, and if maintenance is needed, the worker can pull a handle 18 to open a maintenance cover 16.

According to the heat dissipation dustproof structure of the multimedia projector, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the structure can be implemented as long as the beneficial effects of the structure can be achieved; the motor 4 and the micro fan 13 of the heat dissipation dustproof structure of the multimedia projector are purchased from the market, and technicians in the industry only need to install and operate according to the attached operating instructions.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A heat dissipation dustproof structure of a multimedia projector is characterized by comprising a bottom box (1), a transmission box (3), a motor (4), a driven screw (6), a driving belt pulley (7), a driven belt pulley (8), a belt (9), a plurality of groups of guide rods (10), two groups of connecting plates (11), two groups of cleaning boxes (12) and a plurality of groups of micro fans (13), wherein a group of heat dissipation plates (2) are arranged at the front end and the rear end of the bottom box (1), a plurality of groups of heat dissipation holes are formed in the heat dissipation plates (2), the bottom end of the transmission box (3) is communicated with the top end of the bottom box (1), the motor (4) is fixedly installed at the top end of the transmission box (3), the output end of the motor (4) is provided with the driving screw (5), the driving screw (5) is rotatably installed in the bottom box (1), the driven screw (6) is rotatably installed in the bottom box (1), the driving belt pulley (7) is fixedly sleeved at the top end of the driving screw rod (5), the driven belt pulley (8) is fixedly sleeved at the top end of the driven screw rod (6), the driving belt pulley (7) is in transmission connection with the driven belt pulley (8) through a belt (9), the guide rods (10) are respectively and fixedly arranged in the bottom box (1), the two connecting plates (11) are respectively in threaded connection with the driving lead screw (5) and the driven lead screw (6), and a plurality of groups of connecting plates (11) respectively pass through a plurality of groups of guide rods (10) in a sliding way, the two groups of cleaning boxes (12) are respectively and fixedly connected with the two groups of connecting plates (11), the multiple groups of micro fans (13) are respectively and fixedly arranged in the two groups of cleaning boxes (12), the outer wall of two sets of clean case (12) all is equipped with multiunit exhaust vent (14) and multiunit cleaning brush (15), cleaning brush (15) can with heating panel (2) inner wall contact.

2. The heat-dissipating and dust-preventing structure of a multimedia projector as claimed in claim 1, further comprising three sets of access covers (16), wherein the front end of the transmission box (3) is provided with an access opening, the top ends of the two sets of cleaning boxes (12) are provided with access openings, and the three sets of access covers (16) are respectively installed at the access openings.

3. The heat-dissipating and dust-preventing structure of a multimedia projector according to claim 2, further comprising three sets of observation windows (17), wherein the three sets of observation windows (17) are respectively mounted on the three sets of access covers (16).

4. A heat-dissipating and dust-preventing structure for a multimedia projector according to claim 3, further comprising three sets of handles (18), wherein the three sets of handles (18) are fixedly mounted on the three sets of access covers (16), respectively.

5. The heat-dissipating and dust-preventing structure of a multimedia projector according to claim 4, further comprising a plurality of sets of sliding sleeves (19), wherein the plurality of sets of sliding sleeves (19) are respectively fixedly installed in the through holes of the two sets of connecting plates (11), and the guide rod (10) passes through the sliding sleeves (19).

6. The heat-dissipating and dust-preventing structure of a multimedia projector according to claim 5, wherein the surface of each set of the handles (18) is provided with the anti-slip pattern (20).

7. The heat-dissipating and dust-preventing structure of a multimedia projector according to claim 6, wherein the heat-dissipating plate (2) and the transmission case (3) are made of stainless steel.

8. The heat-dissipating and dust-preventing structure of a multimedia projector according to claim 7, wherein the driving lead screw (5) and the driven lead screw (6) are made of hard alloy steel.