CN212851436U - Display screen assembly lifting device for meeting room - Google Patents
Display screen assembly lifting device for meeting room Download PDFInfo
- Publication number
- CN212851436U CN212851436U CN202022313054.7U CN202022313054U CN212851436U CN 212851436 U CN212851436 U CN 212851436U CN 202022313054 U CN202022313054 U CN 202022313054U CN 212851436 U CN212851436 U CN 212851436U
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- China
- Prior art keywords
- display screen
- box body
- screw rod
- bevel gear
- screen assembly
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- Expired - Fee Related
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- 230000003028 elevating effect Effects 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 5
- 241001310793 Podium Species 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a display screen subassembly elevating gear for meeting room, including open-top's box, display screen subassembly and elevating system, the box is provided with the air intake, is provided with the filter screen in the air intake, and both sides in the box are provided with first spout and second spout respectively, and the display screen subassembly includes the display screen, is provided with apron and elevator on the top of display screen and the bottom respectively, and elevating system includes lead screw and rotation axis, and the lead screw lower part is provided with first bevel gear and a plurality of blade, and the rotation axis both ends are provided with second bevel gear and hand wheel respectively. The utility model discloses a box, display screen subassembly and elevating system's cooperation design has effectively solved because the display screen exposes outside for a long time among the prior art, is infected with the dust easily, influences the projection effect, and can not dispel the heat to it after the display screen uses up for display screen components and parts are ageing, influence its life's problem.
Description
Technical Field
The utility model belongs to the technical field of display device, in particular to a display screen subassembly elevating gear for meeting room.
Background
The LED screen is widely used as a projection terminal in teaching, home entertainment, work and other aspects due to the characteristics of clear picture, wide visual angle, light weight of the whole machine, energy and power conservation, long service life and the like, and is particularly widely applied to enterprise office meeting rooms.
In the prior art, the display screen for the conference room is arranged on the wall in an exposed manner or is directly placed on the platform in an exposed manner, so that the display screen in the prior art has the following problems: because the display screen is exposed outside for a long time, the display screen is easy to be polluted by dust, the projection effect is influenced, and the display screen cannot be radiated after being used up, the aging of components of the display screen is accelerated, and the service life of the components of the display screen is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at not enough and provide a display screen subassembly elevating gear for meeting room to prior art, through box, display screen subassembly and elevating system's cooperation design, effectively solved among the prior art because the display screen exposes outside for a long time, is infected with the dust easily, influences the projection effect, and the display screen makes and to use up the back and can not dispel the heat to it for display screen components and parts are ageing, influence its life's problem.
The utility model discloses the technical scheme who adopts:
a display screen assembly lifting device for a conference room comprises a box body with an opening at the top, a display screen assembly and a lifting mechanism;
the box body is provided with an air inlet, a filter screen is arranged in the air inlet, and a first sliding groove and a second sliding groove are respectively arranged on two sides in the box body;
the display screen assembly comprises a display screen, two sides of the display screen are respectively arranged in the first sliding groove and the second sliding groove, and the top and the bottom of the display screen are respectively provided with a cover plate and a lifting block;
the lifting mechanism comprises a screw rod and a rotating shaft, the screw rod vertically penetrates through the lifting block and is in threaded connection with the lifting block, the bottom of the screw rod is rotatably connected with the bottom of the box body, a first bevel gear and a plurality of blades are arranged on the lower portion of the screw rod, the first bevel gear and the plurality of blades are both located below the display screen, the blades are located above the air inlet, the rotating shaft penetrates through the side wall of the box body and is rotatably connected with the side wall of the box body, a second bevel gear and a hand wheel are respectively arranged at two ends of the rotating shaft, and the second bevel gear is meshed with the first.
Furthermore, a limiting block is arranged on the top of the screw rod and located below the top of the box body.
Furthermore, a cushion pad is arranged at the outer edge of the bottom of the cover plate.
Furthermore, the two sides of the box body are provided with fixing plates, and the fixing plates are provided with a plurality of mounting holes.
Furthermore, a support is arranged on the lower portion of the inner wall of the box body, and the screw rod penetrates through the support and is connected with the support in a rotating mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a box, display screen subassembly and elevating system's cooperation design, the display screen has used up the back, descend the display screen to the box in through elevating system, the apron lid on the final display screen closes the box top, screw drive blade rotates at this in-process, the air flow that the blade produced cools down to the display screen of top, effectively solved among the prior art because the display screen exposes outside for a long time, be infected with the dust easily, influence the projection effect, and the display screen makes can not dispel the heat to it after using up, display screen components and parts are ageing, the problem of its life is influenced, display screen projection effect has effectively been guaranteed and the life of display screen has been prolonged.
2. After the display screen is used, in the process of descending the display screen into the box body, the screw rod drives the blades to rotate, air outside the box body is introduced into the box body through the air inlet, air flow sweeps across the surface of the display screen and takes away dust on the surface of the display screen, and finally the air flow is discharged from the top of the box body, so that the dust on the display surface is effectively cleaned, and the cleanliness of the surface of the display screen is improved.
3. After the display screen has been used up, descend the display screen in the box, the apron lid at display screen top closes the box on, the podium that can act as uses, has saved the expense that is used for disposing the podium, and the display screen is located the enclosure space that apron and box constitute, has carried out effectual water proof protection and anticollision protection to the display screen.
4. When the display screen uses, the apron shelters from at the display screen top, and the apron has effectively solved because top light direct irradiation leads to the screen reflection of light on the screen, causes the problem that the audience in the place ahead can't see clearly the show content, has promoted the show effect of display screen.
5. The filter screen arranged in the air inlet effectively prevents dust outside the box from entering the box, and the cleanliness of the surface of the display screen is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the present invention in an ascending state;
FIG. 3 is a schematic view of the internal structure of the present invention in a descending state;
fig. 4 is a cross-sectional view of the present invention at fig. 2A-a;
in the figure: 1. a box body; 2. a hand wheel; 3. a rotating shaft; 4. a first chute; 5. a fixing plate; 6. a cushion pad; 7. a display screen; 8. a limiting block; 9. a screw rod; 10. a cover plate; 11. a lifting block; 12. a second chute; 13. a filter screen 14 and an air inlet; 15. a blade; 16. a support; 17. a first bevel gear; 18. a second bevel gear.
Detailed Description
In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides a display screen assembly lifting device for a conference room, which comprises a box body 1 with an open top, a display screen assembly and a lifting mechanism;
the box body 1 is provided with an air inlet 14, air outside the box body 1 can enter the box body 1 by utilizing the air inlet 14, a filter screen 13 is arranged in the air inlet 14, when the air enters the box body 1, dust in the air is blocked at the outer side of the air by the filter screen 13, and a first sliding groove 4 and a second sliding groove 12 are respectively and vertically arranged at two sides in the box body 1;
the display screen assembly comprises a display screen 7, two sides of the display screen 7 are respectively and vertically arranged in a first sliding groove 4 and a second sliding groove 12, the top and the bottom of the display screen 7 are respectively provided with a cover plate 10 and a lifting block 11, the lifting block 11 is transversely arranged in the middle of the bottom of the front end face of the display screen 7, and the display screen 7 can vertically slide in the first sliding groove 4 and the second sliding groove 12;
the lifting mechanism comprises a screw rod 9 and a rotating shaft 3, the screw rod 9 vertically penetrates through a lifting block 11 and is in threaded connection with the lifting block, the bottom of the screw rod 9 is in rotational connection with the bottom of a box body 1, a first bevel gear 17 and a plurality of blades 15 are arranged at the lower part of the screw rod 9, the first bevel gear 17 and the plurality of blades 15 are both positioned below a display screen 7, the blades 15 are positioned above an air inlet 14, the rotating shaft 3 penetrates through the side wall of the box body 1 and is in rotational connection with the side wall of the box body 1, a second bevel gear 18 and a hand wheel 2 are respectively arranged at two ends of the rotating shaft 3, the second bevel gear 18 is meshed with the first bevel gear 17, the second bevel gear 18 at the end part of the first rotating shaft 3 is driven to rotate by the hand wheel 2, the first bevel gear 17 is driven to horizontally rotate by the second bevel gear 18, the screw rod 9 drives the blades 15 to rotate, the rotation of the display screen 7, the screw rod 9 drives the display screen 7 to lift through the lifting block 11, and meanwhile, the blades 15 rotate to generate air flow, so that the display screen 7 is cooled, and dust on the display screen 7 is removed.
Specifically, a limiting block 8 is arranged on the top of the screw rod 9, and the limiting block 8 is located below the top of the box body 1. The limiting block 8 is utilized to effectively prevent the lifting block 11 from being separated from the top of the screw rod 9.
Specifically, the cushion pad 6 is disposed at the outer edge of the bottom of the cover plate 10. The impact vibration caused when the cover plate 10 covers the top of the box body 1 is effectively avoided by utilizing the buffer cushion 6, and further the damage of the components inside the display screen 7 is caused.
Specifically, the two sides of the box body 1 are provided with fixing plates 5, and the fixing plates 5 are provided with a plurality of mounting holes. The cabinet 1 is mounted to a wall using the fixing plate 5.
Specifically, a bracket 16 is arranged at the lower part of the inner wall of the box body 1, and the screw rod 9 penetrates through the bracket 16 and is connected with the bracket in a rotating way. The support 16 is rotatably connected with the screw rod 9, so that the vertical supporting capacity of the screw rod is improved.
The utility model discloses a theory of operation does:
after the display screen 7 is used up, the hand wheel 2 drives the second bevel gear 18 at the end of the rotating shaft 3 to rotate, the second bevel gear 18 drives the first bevel gear 17 to horizontally rotate, the first bevel gear 17 drives the screw rod 9 to horizontally rotate, the screw rod 9 drives the blades 15 arranged at the lower part of the screw rod 9 to horizontally rotate, the screw rod 9 is in threaded connection with the lifting block 11, the lifting block 11 is fixedly arranged at the bottom of the display screen 7, two sides of the display screen 7 are respectively arranged in the first sliding groove 4 and the second sliding groove 12, the first sliding groove 4 and the second sliding groove 12 limit the rotation of the display screen 7, the lifting block 11 drives the display screen 7 to descend along with the rotation of the screw rod 9, the blades 15 rotate to generate air flow, air flow enters the bottom of the box body 1 through the filter screen 13 in the air inlet 14 and blows upwards to the display screen 7, dust on the surface of the display screen 7 is removed while, finally, the airflow is discharged from the upper part of the box body 1 with dust, and when the display screen 7 is completely descended into the box body 1, the cover plate 10 at the top of the display screen 7 covers the top of the box body 1.
When the display screen box is required to be used, the hand wheel 2 only needs to be rotated reversely, so that the display screen 7 rises above the box body 1, the problem that the display screen 7 is exposed outside for a long time and is easily contaminated by dust to influence the projection effect in the prior art is effectively solved, the display screen 7 cannot be radiated after being used up, the aging of components of the display screen 7 is accelerated, and the service life of the display screen 7 is influenced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A display screen subassembly elevating gear for meeting room which characterized in that: the display screen assembly comprises a box body with an opening at the top, a display screen assembly and a lifting mechanism;
the box body is provided with an air inlet, a filter screen is arranged in the air inlet, and a first sliding groove and a second sliding groove are respectively arranged on two sides in the box body;
the display screen assembly comprises a display screen, two sides of the display screen are respectively arranged in the first sliding groove and the second sliding groove, and the top and the bottom of the display screen are respectively provided with a cover plate and a lifting block;
the lifting mechanism comprises a screw rod and a rotating shaft, the screw rod vertically penetrates through the lifting block and is in threaded connection with the lifting block, the bottom of the screw rod is rotatably connected with the bottom of the box body, a first bevel gear and a plurality of blades are arranged on the lower portion of the screw rod, the first bevel gear and the blades are located below the display screen, the blades are located above the air inlet, the rotating shaft penetrates through the side wall of the box body and is rotatably connected with the side wall of the box body, a second bevel gear and a hand wheel are respectively arranged at two ends of the rotating shaft, and the second bevel gear is meshed with the first bevel gear.
2. A screen assembly lifting device for a conference room as claimed in claim 1, wherein: the top of the screw rod is provided with a limiting block, and the limiting block is positioned below the top of the box body.
3. A screen assembly lifting device for a conference room as claimed in claim 1, wherein: and a buffer cushion is arranged at the outer edge of the bottom of the cover plate.
4. A screen assembly lifting device for a conference room as claimed in claim 1, wherein: the box both sides all are provided with the fixed plate, be provided with a plurality of mounting holes on the fixed plate.
5. A screen assembly lifting device for a conference room as claimed in claim 1, wherein: the lower part of the inner wall of the box body is provided with a support, and the screw rod penetrates through the support and is in rotary connection with the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022313054.7U CN212851436U (en) | 2020-10-16 | 2020-10-16 | Display screen assembly lifting device for meeting room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022313054.7U CN212851436U (en) | 2020-10-16 | 2020-10-16 | Display screen assembly lifting device for meeting room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212851436U true CN212851436U (en) | 2021-03-30 |
Family
ID=75153904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022313054.7U Expired - Fee Related CN212851436U (en) | 2020-10-16 | 2020-10-16 | Display screen assembly lifting device for meeting room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212851436U (en) |
-
2020
- 2020-10-16 CN CN202022313054.7U patent/CN212851436U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |