CN217085935U - Teaching projecting apparatus convenient to remove dust - Google Patents
Teaching projecting apparatus convenient to remove dust Download PDFInfo
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- CN217085935U CN217085935U CN202123287435.3U CN202123287435U CN217085935U CN 217085935 U CN217085935 U CN 217085935U CN 202123287435 U CN202123287435 U CN 202123287435U CN 217085935 U CN217085935 U CN 217085935U
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- dust removal
- dust
- projector
- ring
- fixedly connected
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Abstract
The utility model discloses a teaching projector convenient for dust removal, which belongs to the field of teaching instruments, and comprises a hollow dust removal ring, wherein a dust removal ring nozzle is fixedly arranged in front of the inner end wall of the hollow dust removal ring, a pair of mounting grooves are arranged on the lower inner wall of the hollow dust removal ring, a U-shaped supporting block is clamped in each mounting groove, a supporting slide block is connected in each U-shaped supporting block in a sliding way, a mounting block is fixedly connected behind the inner end wall of the hollow dust removal ring, the front end of the mounting block is fixedly connected with a pair of electric control push rods, the front end of each electric control push rod is fixedly connected with a projector shell, supporting blocks are fixedly connected on the left side and the right side of the bottom end of the projector shell, a pair of supporting blocks are respectively arranged on the corresponding supporting slide blocks, the projector can carry out dust removal operation on the surface before each use through the mutual matching of the hollow dust removal ring and the projector shell, the heat dissipation effect of the projector during working is effectively improved.
Description
Technical Field
The utility model relates to a teaching instrument field, more specifically say, relate to a teaching projecting apparatus convenient to remove dust.
Background
A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.
A projecting apparatus for teaching usefulness is in order to prevent that the student from causing the damage to it, generally installs on the roof in classroom, throws the image on the curtain from top to bottom, because the mounted position of projecting apparatus is higher, leads to being difficult to after long-time the use, clears up the dust that floats on it, and then influences its heat-sinking capability at the during operation, reduces life.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a teaching projecting apparatus convenient to remove dust, it removes dust through cavity and mutually supports of ring sum projector shell for this projecting apparatus can both remove dust the operation to its surface before using at every turn, has effectively improved the radiating effect of this projecting apparatus at the during operation.
2. Technical scheme
In order to solve the problem, the utility model adopts the following technical proposal.
A teaching projector convenient for dust removal comprises a hollow dust removal ring, wherein a dust removal ring nozzle is fixedly installed in front of the inner end wall of the hollow dust removal ring, a pair of installation grooves are formed in the lower inner wall of the hollow dust removal ring, a pair of U-shaped support blocks are clamped in the installation grooves, a support slider is slidably connected in each U-shaped support block, an installation block is fixedly connected behind the inner end wall of the hollow dust removal ring, a pair of electric control push rods are fixedly connected to the front end of the installation block, a projector shell is fixedly connected to the front end of each electric control push rod, support blocks are fixedly connected to the left side and the right side of the bottom end of the projector shell, a pair of support blocks are respectively placed on the corresponding support sliders, a plurality of exhaust fans are fixedly distributed at the bottom end of the projector shell and are located between the pair of support blocks, and through holes are formed in the left side and the right side of the projector shell, and a filter screen is clamped in each through hole, the rear end of the hollow dust removal ring is connected with a dust storage box, and a vacuum pump is installed in the dust storage box.
Furthermore, the height of the supporting slide block is equal to that of the U-shaped supporting block, so that the sliding process of the projector shell from the U-shaped supporting block to the supporting slide block is more stable, the supporting slide block is of an L-shaped structure, the possibility that the projector shell falls down due to the fact that the projector shell is completely pushed away from the hollow dust removal ring is effectively reduced through the blocking effect of the supporting slide block on the premise that the projector shell is convenient to mount and dismount from the hollow dust removal ring during working, and the use safety of the product is improved, a distance sensor is fixedly connected to the rear portion of the bottom end of the projector shell, when the distance sensor detects that the hollow dust removal ring is located right below the distance sensor, the projector shell is not placed in the hollow dust removal ring or does not extend out of the hollow dust removal ring to a specified position, and then the projector should stop projection work, because the projecting apparatus shell blocks the back with the exhaust fan of cavity dust removal ring bottom, the inside unable air convection that forms with the external world of projecting apparatus shell, and because the encirclement to the projecting apparatus shell of cavity dust removal ring, the heat more can be accumulated in the projecting apparatus shell and can't dissipate away, suspend through the force of distance sensor to the interior work device of projecting apparatus shell, operating personnel misoperation has effectively been reduced, when causing the projecting apparatus shell to be in cavity dust removal ring inside, this projecting apparatus is still in operating condition's possibility, the safety in utilization of this product has further been improved.
Furthermore, the butt joint hole has all been seted up to the rear end left and right sides of cavity dust removal ring, the front end of storing up the dirt box corresponds a pair of butt joint mouth of fixedly connected with, the right-hand member of storing up the dirt box rotates through the pivot and is connected with the apron, and the operating personnel accessible inserts the butt joint mouth in the butt joint hole, and then will store up dirt box and cavity dust removal ring butt joint together to in making the dust in the cavity dust removal ring can get into smoothly stores up the dirt box, operating personnel can regularly with storing up the dirt box and dismantle from the cavity dust removal ring, so that clear up the dust of storing wherein, improved the convenience in use of this product.
Further, the upside of cavity dust removal ring is equipped with the fixed block, the automatically controlled pole of increaseing of bottom fixedly connected with of fixed block, the flexible end and the cavity dust removal ring fixed connection of automatically controlled pole of increaseing, the height that cavity dust removal ring was adjusted to the automatically controlled pole of increaseing of operating personnel accessible start to operating personnel dismantles the dust storage box from cavity dust removal ring and gets off and clear up, has further improved the use convenience of this product.
Furthermore, the dust removal ring mouth is equipped with the breach in mounting groove department to place the supporting shoe on the supporting slider and can pass through smoothly, increase the practicality of this product.
Furthermore, the inner end wall that the dust removal ring mouth is close to cavity dust removal ring department is the splayed structure, has effectively reduced the dust that stores in the dust storage box and has prevented oozing to the possibility on the projecting apparatus shell, has further increased the practicality of this product.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme is through mutually supporting of cavity dust removal ring sum projector shell for this projector can both remove dust the operation to its surface before using at every turn, has effectively improved the radiating effect of this projector at the during operation.
(2) The height of the supporting slide block is equal to that of the U-shaped supporting block, so that the sliding process of the projector shell from the U-shaped supporting block to the supporting slide block is more stable, the supporting slide block is of an L-shaped structure, on the premise that the projector shell is convenient to mount and dismount from the hollow dust removal ring, the fault of the electric control push rod during working is effectively reduced through the blocking effect of the supporting slide block, the projector shell is completely pushed away from the hollow dust removal ring, so that the possibility that the projector shell falls is caused, the use safety of the product is improved, a distance sensor is fixedly connected to the rear of the bottom end of the projector shell, when the distance sensor detects that the hollow dust removal ring is positioned right below the hollow dust removal ring, the projector shell is not placed in the hollow dust removal ring, or does not extend out of the specified position from the hollow dust removal ring, and the projector should stop projection work at the moment, because the projecting apparatus shell blocks the back with the exhaust fan of cavity dust removal ring bottom, the inside unable air convection that forms with the external world of projecting apparatus shell, and because the encirclement to the projecting apparatus shell of cavity dust removal ring, the heat more can be accumulated in the projecting apparatus shell and can't dissipate away, suspend through the force of distance sensor to the interior work device of projecting apparatus shell, operating personnel misoperation has effectively been reduced, when causing the projecting apparatus shell to be in cavity dust removal ring inside, this projecting apparatus is still in operating condition's possibility, the safety in utilization of this product has further been improved.
(3) The butt joint hole has all been seted up to the rear end left and right sides of cavity dust removal ring, the front end of dust storage box corresponds a pair of butt joint mouth of fixedly connected with, the right-hand member of dust storage box rotates through the pivot and is connected with the apron, the operating personnel accessible will dock the butt joint mouth and insert in the butt joint hole, and then will store up dust storage box and cavity dust removal ring butt joint together, in so that the dust in the cavity dust removal ring can get into smoothly in the dust storage box, operating personnel can regularly with store up dust storage box and dismantle from the cavity dust removal ring, so that clear up the dust of storing wherein, the convenience in use of this product has been improved.
(4) The upside of cavity dust removal ring is equipped with the fixed block, and the automatically controlled pole of increaseing of bottom fixedly connected with of fixed block, the flexible end and the cavity dust removal ring fixed connection of automatically controlled pole of increaseing, the height that cavity dust removal ring was adjusted to the automatically controlled pole of increaseing of operating personnel accessible start to operating personnel dismantles the dust storage box from cavity dust removal ring and gets off and clear up, has further improved the use convenience of this product.
(5) The dust removal ring mouth is equipped with the breach in mounting groove department to place the supporting shoe on the supporting slider and can pass through smoothly, increase the practicality of this product.
(6) The inner end wall of the dust removal ring mouth close to the hollow dust removal ring is of a splayed structure, the possibility that dust stored in the dust storage box reversely seeps onto the projector shell is effectively reduced, and the practicability of the product is further improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an overall bottom view of the present invention;
FIG. 3 is a schematic view of the butt joint process between the hollow dust removing ring part and the dust storage box part of the present invention;
FIG. 4 is a schematic view of the internal structure of the hollow dust-removing ring part of the present invention;
fig. 5 is a schematic structural view of a portion a of fig. 4.
The numbering in the figures illustrates:
1. a hollow dust removal ring; 2. a dust removal annular nozzle; 3. mounting grooves; 4. a butt joint hole; 5. a U-shaped supporting block; 6. a support slide block; 7. an electrically controlled height adjusting rod; 8. a fixed block; 9. mounting blocks; 10. an electrically controlled propulsion lever; 11. a projector housing; 12. filtering with a screen; 13. a support block; 14. an exhaust fan; 15. a distance sensor; 16. a butt joint mouth; 17. a dust storage box; 18. and (7) a cover plate.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-5, a teaching projector convenient for dust removal comprises a hollow dust removing ring 1, a dust removing ring nozzle 2 is fixedly installed in front of the inner end wall of the hollow dust removing ring 1, a pair of installation grooves 3 are formed in the lower inner wall of the hollow dust removing ring 1, a U-shaped supporting block 5 is clamped in each installation groove 3, a supporting slide block 6 is connected in each U-shaped supporting block 5 in a sliding manner, an installation block 9 is fixedly connected behind the inner end wall of the hollow dust removing ring 1, a pair of electrically controlled push rods 10 are fixedly connected to the front end of the installation block 9, a projector housing 11 is fixedly connected to the front end of each electrically controlled push rod 10, supporting blocks 13 are fixedly connected to the left side and the right side of the bottom end of the projector housing 11, the supporting blocks 13 are respectively placed on the corresponding supporting slide blocks 6, a plurality of exhaust fans 14 are fixedly distributed at the bottom end of the projector housing 11, and the exhaust fans 14 are located between the supporting blocks 13, the through-hole has all been seted up to the left and right sides of projecting apparatus shell 11, and equal joint has filter screen 12 in a pair of through-hole, and the rear end of cavity dust removal ring 1 is connected with dust storage box 17, installs the vacuum pump in the dust storage box 17.
Referring to fig. 2 and 4-5, the height of the supporting slider 6 is equal to the height of the U-shaped supporting block 5, so that the sliding process of the projector housing 11 from the U-shaped supporting block 5 to the supporting slider 6 is more stable, the supporting slider 6 is in an L-shaped structure, and on the premise of ensuring that the projector housing 11 is conveniently mounted and dismounted from the hollow dust-removing ring 1, the blocking effect of the supporting slider 6 effectively reduces the failure of the electrically-controlled push rod 10 during operation, and completely pushes the projector housing 11 away from the hollow dust-removing ring 1, so that the projector housing 11 falls down, and improves the safety of the product in use, a distance sensor 15 is fixedly connected to the rear of the bottom end of the projector housing 11, and when the distance sensor 15 detects that the hollow dust-removing ring 1 is located right below the hollow dust-removing ring 1, the projector housing 11 is not placed in the hollow dust-removing ring 1, or does not extend out of the hollow dust-removing ring 1 to a designated position, at this moment, the projector should stop projection work, because after the projector shell 11 blocks the exhaust fan 14 at the bottom of the hollow dust removal ring 1, air convection cannot be formed inside the projector shell 11 with the outside, and because the hollow dust removal ring 1 surrounds the projector shell 11, heat is stored in the projector shell 11 and cannot be dissipated, and due to the forced suspension of the distance sensor 15 to a working device in the projector shell 11, the operation error of an operator is effectively reduced, so that when the projector shell 11 is located inside the hollow dust removal ring 1, the possibility that the projector is still in a working state is further reduced, and the use safety of the product is further improved.
The dust removal ring mouth 2 is provided with a notch at the mounting groove 3 so that the supporting block 13 placed on the supporting slide block 6 can pass through smoothly, and the practicability of the product is improved.
The inner end wall of the dust removing ring mouth 2 close to the hollow dust removing ring 1 is of a splayed structure, the possibility that dust stored in the dust storage box 17 reversely seeps onto the projector shell 11 is effectively reduced, and the practicability of the product is further improved.
Please refer to fig. 3, the butt joint holes 4 are formed in the left and right sides of the rear end of the hollow dust removing ring 1, the front end of the dust storage box 17 is fixedly connected with a pair of butt joint nozzles 16, the right end of the dust storage box 17 is rotatably connected with a cover plate 18 through a rotating shaft, the butt joint nozzles 16 can be inserted into the butt joint holes 4 by an operator, and then the dust storage box 17 and the hollow dust removing ring 1 are butted together, so that dust in the hollow dust removing ring 1 can smoothly enter the dust storage box 17, the operator can regularly detach the dust storage box 17 from the hollow dust removing ring 1, so that the dust stored in the dust storage box can be cleaned, and the use convenience of the product is improved.
Referring to fig. 1, a fixing block 8 is arranged on the upper side of a hollow dust removing ring 1, an electrically controlled height adjusting rod 7 is fixedly connected to the bottom end of the fixing block 8, the telescopic end of the electrically controlled height adjusting rod 7 is fixedly connected with the hollow dust removing ring 1, and an operator can adjust the height of the hollow dust removing ring 1 by starting the electrically controlled height adjusting rod 7, so that the operator can detach a dust storage box 17 from the hollow dust removing ring 1 for cleaning, and the use convenience of the product is further improved.
When in use, please refer to fig. 1-5, an operator firstly installs the teaching projector on a roof, and the projector opens the exhaust fans 14 at the bottom of the projector housing 11 during use, and creates an air convection environment in the projector housing 11 through the mutual cooperation between the exhaust fans 14 and the pair of filter screens 12 at the sides of the projector housing 11, so as to reduce the possibility of heat accumulation of components in the projector housing 11 during operation, and during long-time use, a lot of dust is inevitably accumulated on the surface of the filter screens 12, thereby influencing the air convection in the projector housing 11 and reducing the heat dissipation effect;
the projector is stored in the hollow dust-removing ring 1 before being used, before the projector is started by the controlled terminal, the numerical control terminal can start the vacuum pump in the dust-storing box 17 at first, then start the electric control push rod 10, in the process that the projector is pushed by the electric control push rod 10, the dust on the projector shell 11, the filter screen 12 and the exhaust fan 14 can be sucked by the dust-removing ring nozzle 2 on the inner end wall of the hollow dust-removing ring 1 and guided into the dust-storing box 17 along the hollow dust-removing ring 1 for sealing, when the electric control push rod 10 completely pushes the projector shell 11 out of the hollow dust-removing ring 1, the control terminal can close the vacuum pump in the dust-storing box 17 and start the projector to work, the utility model discloses a mutual matching of the hollow dust-removing ring 1 and the projector shell 11, so that the projector can carry out dust-removing operation on the surface before being used each time, the heat dissipation effect of the projector during working is effectively improved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a teaching projecting apparatus convenient to remove dust, includes cavity dust removal ring (1), its characterized in that: a dust removal ring nozzle (2) is fixedly installed in front of the inner end wall of the hollow dust removal ring (1), a pair of installation grooves (3) is formed in the lower inner wall of the hollow dust removal ring (1), a U-shaped support block (5) is clamped in each installation groove (3), a support slider (6) is connected in each U-shaped support block (5) in a sliding mode, an installation block (9) is fixedly connected to the rear of the inner end wall of the hollow dust removal ring (1), a pair of electric control push rods (10) is fixedly connected to the front end of each installation block (9), a projector shell (11) is fixedly connected to the front end of each electric control push rod (10), support blocks (13) are fixedly connected to the left side and the right side of the bottom end of the projector shell (11), the support blocks (13) are respectively placed on the corresponding support sliders (6), and a plurality of fans (14) are fixedly distributed at the bottom end of the projector shell (11), and a plurality of exhaust fans (14) all are located between a pair of supporting shoe (13), the through-hole has all been seted up to the left and right sides of projector shell (11), and is a pair of equal joint has filter screen (12) in the through-hole, the rear end of cavity dust removal ring (1) is connected with dust storage box (17), install the vacuum pump in dust storage box (17).
2. The teaching projector convenient for dust removal according to claim 1, wherein: the height of the supporting slide block (6) is equal to that of the U-shaped supporting block (5), the supporting slide block (6) is of an L-shaped structure, and a distance sensor (15) is fixedly connected to the rear of the bottom end of the projector shell (11).
3. The teaching projector convenient for dust removal according to claim 1, wherein: the dust collecting device is characterized in that butt joint holes (4) are formed in the left side and the right side of the rear end of the hollow dust collecting ring (1), the front end of the dust storage box (17) is correspondingly and fixedly connected with a pair of butt joint nozzles (16), and the right end of the dust storage box (17) is rotatably connected with a cover plate (18) through a rotating shaft.
4. The teaching projector convenient for dust removal according to claim 1, characterized in that: the upside of cavity dust removal ring (1) is equipped with fixed block (8), the bottom fixedly connected with of fixed block (8) is automatically controlled to increase pole (7), the flexible end and the cavity dust removal ring (1) fixed connection of automatically controlled pole (7) of increasing.
5. The teaching projector convenient for dust removal according to claim 1, wherein: and a gap is reserved at the position of the mounting groove (3) of the dust removal annular nozzle (2).
6. The teaching projector convenient for dust removal according to claim 1, wherein: the inner end wall of the dust removing ring nozzle (2) close to the hollow dust removing ring (1) is of a splayed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287435.3U CN217085935U (en) | 2021-12-24 | 2021-12-24 | Teaching projecting apparatus convenient to remove dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287435.3U CN217085935U (en) | 2021-12-24 | 2021-12-24 | Teaching projecting apparatus convenient to remove dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217085935U true CN217085935U (en) | 2022-07-29 |
Family
ID=82541583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123287435.3U Active CN217085935U (en) | 2021-12-24 | 2021-12-24 | Teaching projecting apparatus convenient to remove dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217085935U (en) |
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2021
- 2021-12-24 CN CN202123287435.3U patent/CN217085935U/en active Active
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