CN214841387U - Ventilation device for science and technology show hall - Google Patents
Ventilation device for science and technology show hall Download PDFInfo
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- CN214841387U CN214841387U CN202121215883.XU CN202121215883U CN214841387U CN 214841387 U CN214841387 U CN 214841387U CN 202121215883 U CN202121215883 U CN 202121215883U CN 214841387 U CN214841387 U CN 214841387U
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- exhibition hall
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- 238000009423 ventilation Methods 0.000 title claims abstract description 57
- 239000000428 dust Substances 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a ventilation device for scientific and technological exhibition hall, which comprises an exhibition hall body and ventilation devices arranged at two sides of the exhibition hall body, wherein the ventilation devices are fixedly arranged at two sides of the exhibition hall body through bolts, each ventilation device comprises a mounting plate and a ventilation machine case arranged at one side of the mounting plate, a motor is arranged inside the ventilation machine case, the motor runs through the ventilation machine case and is provided with a first conical gear, two sides of the first conical gear are provided with rotating units, the rotating unit at the lower end is connected with an air inlet fan, the rotating unit at the upper end is connected with an air outlet fan, the ventilation unit capable of simultaneously carrying out air inlet and air outlet is arranged, when the air outlet fan discharges air, the air inlet fan sucks in fresh air from the outside, the air inlet fan and the air outlet fan which simultaneously work can keep the air balance in the exhibition hall body, and improve the air exchange rate, the ventilation effect is better.
Description
Technical Field
The utility model relates to a ventilation device technical field specifically is a ventilation device for science and technology show room.
Background
The science and technology exhibition hall is a better performance way for intensively exhibiting product technology and strength, and the client can obtain trust by intensively exhibiting products through the science and technology exhibition hall, know all aspects of culture, products, quality, service and the like of related science and technology, and can be used as places for visiting, communicating and negotiating for the client, and ventilation in the science and technology exhibition hall is particularly important because better visiting experience is needed for the client.
The ventilation and air exchange device of the common science and technology exhibition hall fixes the exhaust fan on the wall of the exhibition hall, and exhausts the air inside for ventilation, but when the ventilation is carried out by using the mode, the fresh air enters slowly, and the ventilation efficiency is low.
In order to solve the problems, the ventilation and air exchange device for the scientific and technological exhibition hall is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilation device for science and technology show room sets up the unit of taking a breath that can admit air simultaneously and give vent to anger, and when the fan of giving vent to anger with air escape, the fan of admitting air is with outside fresh air suction simultaneously, and the fan of admitting air that carries on working simultaneously can keep the inside air balance of show room body with the fan of giving vent to anger, and has improved the speed of air exchange, makes the ventilation effect better to the problem in the above-mentioned background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a ventilation device for a scientific and technological exhibition hall comprises an exhibition hall body and ventilation devices arranged on two sides of the exhibition hall body, wherein the ventilation devices are fixedly arranged on two sides of the exhibition hall body through bolts and comprise mounting plates and ventilation machine boxes arranged on one sides of the mounting plates, dustproof units are arranged on the other sides of the mounting plates, and anti-backflow units are fixedly arranged on the outer sides of the dustproof units on the upper ends of the mounting plates;
the air interchanger is characterized in that a motor is mounted inside the air interchanger case, the motor penetrates through the air interchanger case to be mounted with a first bevel gear, rotating units are mounted on two sides of the first bevel gear, an air inlet fan is connected to the rotating unit at the lower end, and an air outlet fan is connected to the rotating unit at the upper end.
Preferably, the anti-backflow unit is arranged on the outer side of the dustproof unit corresponding to the air outlet fan and fixedly connected with the dustproof unit.
Preferably, the rotating unit comprises a second bevel gear in meshed connection with the first bevel gear and a third bevel gear installed at the other end of the second bevel gear, and the third bevel gear is respectively connected with the air inlet fan and the air outlet fan.
Preferably, the air inlet fan and the air outlet fan are installed in opposite directions, a fourth bevel gear is installed at one end of each of the air inlet fan and the air outlet fan, and the fourth bevel gear is in meshing transmission with the third bevel gear.
Preferably, the dustproof unit comprises a first fixed support arranged on one side of the mounting plate and a dustproof plate movably arranged on the inner side of the first fixed support, and a dustproof filter screen is arranged in the dustproof plate.
Preferably, the circular arc end fixed mounting of dust guard has the magnet piece, and the dust guard passes through the magnet piece and installs inside the arc wall of seting up in first fixed bolster, and arc wall internally mounted has the gasket of adsorbing mutually with the magnet piece.
Preferably, the backflow preventing unit comprises a second fixed support fixedly mounted on one side of the first fixed support and a windproof baffle movably mounted inside the second fixed support, a limiting ring is arranged inside the second fixed support, and a movable hole used for mounting the windproof baffle is formed in one side of the limiting ring.
Preferably, the windproof baffles are two semicircular plate surfaces, a connecting shaft is arranged between the two windproof baffles, the windproof baffles on two sides are movably connected through a torsion spring, movable piles are arranged at the upper end and the lower end of the connecting shaft, and the movable piles are movably arranged in the movable holes.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a ventilation device for science and technology show room, when needs use ventilation device, but the starter motor, make the motor drive first conical gear and rotate, and then drive third conical gear with first conical gear meshing driven second conical gear and rotate, and then the third conical gear that drives both sides rotates, fourth conical gear drives the fan of admitting air and gives vent to anger the fan and rotate and take a breath, the fan of admitting air that the both sides are opposite direction installation exchanges the inside air of show room body with the fan of giving vent to anger, when the fan of giving vent to anger discharges the air, the fan of admitting air inhales outside fresh air simultaneously, the fan of admitting air that carries out work simultaneously can keep the inside air balance of show room body with the fan of giving vent to anger, and the speed of air exchange has been improved, make ventilation effect better.
2. The utility model provides a ventilation device for science and technology show room, when admitting air the fan and giving vent to anger the fan use, the dustproof unit of outside installation can effectively stop the dust in the outside, avoid outside dust to get into the show room body along with the opening of admitting air the fan and giving vent to anger the fan inside, after using a period, telescopic dust guard, dismantle the dustproof filter screen of upper end installation and wash, and magnet piece can adsorb with first fixed bolster mutually when the installation, prevent not hard up droing, facilitate the use.
3. The utility model provides a ventilation device for scientific and technological show room, prevent flowing backward the unit in the dustproof unit outside installation of the fan of giving vent to anger, when using the fan of giving vent to anger, wind-force will prevent wind the baffle and blow up, and then the inside air of show room body can be discharged, if when the fan of giving vent to anger is closed, the torsional spring drives and prevents wind the baffle resilience, and then close and prevent wind the baffle, avoid outside dust to get into inside the show room body, if the inside outside wind-force of show room body is great, then wind-force blows and prevents wind the baffle, prevent wind the baffle and be blockked in spacing ring one side, can not open, avoid outside wind-force when using great lead to wind-force to flow backward through the fan of giving vent to anger and get into inside the show room body, the influence is used, also can protect the fan of giving vent to anger simultaneously, avoid equipment damage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the ventilation device of the present invention;
fig. 3 is a schematic cross-sectional view of the ventilator case of the present invention;
FIG. 4 is a schematic view of the structure of the dustproof unit of the present invention;
fig. 5 is a schematic view of the structure of the backflow prevention unit of the present invention.
In the figure: 1. a display hall body; 2. a ventilation device; 21. mounting a plate; 22. a backflow prevention unit; 221. a second fixed bracket; 2211. a limiting ring; 2212. a movable hole; 222. a wind-proof baffle plate; 2221. a connecting shaft; 2222. a movable pile; 23. a dust-proof unit; 231. a first fixed bracket; 2311. an arc-shaped slot; 232. a dust-proof plate; 2321. a magnet piece; 233. a dustproof filter screen; 24. a ventilation chassis; 241. a motor; 242. a first bevel gear; 243. a rotation unit; 2431. a second bevel gear; 2432. a third bevel gear; 244. an air inlet fan; 2441. a fourth bevel gear; 245. an air outlet fan.
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. 1-3, a ventilation and air-exchange device for scientific and technological exhibition hall comprises an exhibition hall body 1 and ventilation devices 2 installed at two sides of the exhibition hall body 1, the ventilation devices 2 are fixedly installed at two sides of the exhibition hall body 1 by bolts, the ventilation devices 2 comprise an installation plate 21 and a ventilation cabinet 24 installed at one side of the installation plate 21, a motor 241 is installed inside the ventilation cabinet 24, the motor 241 is installed with a first bevel gear 242 through the ventilation cabinet 24, two sides of the first bevel gear 242 are installed with a rotating unit 243, the rotating unit 243 comprises a second bevel gear 2431 engaged with the first bevel gear 242 and a third bevel gear 2432 installed at the other end of the second bevel gear 2431, the third bevel gear 2432 is respectively connected with an air inlet fan 244 and an air outlet fan 245, the rotating unit 243 at the lower end is connected with an air inlet fan 244, the rotating unit 243 at the upper end is connected with an air outlet fan 245, the air inlet fan 244 and the air outlet fan 245 are installed in opposite directions, a fourth bevel gear 2441 is installed at one end of each of the air inlet fan 244 and the air outlet fan 245, the fourth bevel gear 2441 is in meshing transmission with the third bevel gear 2432, a backflow prevention unit 22 is installed at the outer side of a dustproof unit 23 corresponding to the air outlet fan 245, the backflow prevention unit 22 is fixedly connected with the dustproof unit 23, the dustproof unit 23 is installed at the other side of the installation plate 21, the backflow prevention unit 22 is fixedly installed at the outer side of the dustproof unit 23 at the upper end of the installation plate 21, when the ventilation device 2 needs to be used, the motor 241 can be started, the motor 241 drives the first bevel gear 242 to rotate, the second bevel gear 2431 in meshing transmission with the first bevel gear 242 drives the third bevel gear 2432 to rotate, the third bevel gears 2432 at both sides are driven to rotate, the fourth bevel gear 2441 drives the air inlet fan 244 and the air outlet fan 245 to rotate for ventilation, the both sides are the air of opposite direction installation and exchange with the inside air of show room body 1 with fan 245 that admits air, and fan 245 is giving vent to anger when exhausting air, and fan 244 admits the fresh air suction of outside simultaneously, and fan 244 and the fan 245 that admits air that carry out work simultaneously can keep the inside air balance of show room body 1, and have improved the rate of air exchange, make the ventilation effect better.
Referring to fig. 1-4, the dust-proof unit 23 includes a first fixing bracket 231 installed at one side of the mounting plate 21 and a dust-proof plate 232 movably installed at an inner side of the first fixing bracket 231, a magnet member 2321 is fixedly installed at an arc end of the dust-proof plate 232, the dust-proof plate 232 is installed inside an arc groove 2311 formed inside the first fixing bracket 231 through the magnet member 2321, a gasket attached to the magnet member 2321 is installed inside the arc groove 2311, a dust-proof filter screen 233 is installed inside the dust-proof plate 232, when the air inlet fan 244 and the air outlet fan 245 are used, the dust-proof unit 23 installed at an outer side can effectively block outside dust, prevent the outside dust from entering inside the exhibition hall body 1 along with openings of the air inlet fan 244 and the air outlet fan 245, after a period of use, the dust-proof plate 232 can be drawn out, the dust-proof filter screen 233 installed at an upper end can be disassembled and cleaned, and the magnet member 2321 can be attached to the first fixing bracket 231 when being installed, the loosening and falling off are prevented, and the use is convenient.
Referring to fig. 1-5, the anti-backflow unit 22 includes a second fixing bracket 221 fixedly installed at one side of the first fixing bracket 231 and an anti-backflow baffle 222 movably installed inside the second fixing bracket 221, the anti-backflow baffle 222 is two semicircular plate surfaces, a connecting shaft 2221 is disposed between the two anti-backflow baffles 222, the anti-backflow baffles 222 at two sides are movably connected through a torsion spring, movable piles 2222 are disposed at the upper and lower ends of the connecting shaft 2221, the movable piles 2222 are movably installed inside the movable holes 2212, a position-limiting ring 2211 is disposed inside the second fixing bracket 221, a movable hole 2212 for installing the anti-backflow baffle 222 is disposed at one side of the position-limiting ring 2211, the anti-backflow unit 22 is installed outside the dust-proof unit 23 of the air outlet fan 245, when the air outlet fan 245 is used, the wind blows up the anti-backflow baffle 222, and the air inside the hall body 1 can be exhausted, if the air outlet fan 245 is closed, the torsional spring drives and prevents wind baffle 222 and kick-backs, and then close and prevent wind baffle 222, it is inside to avoid outside dust to get into show room body 1, if inside outside wind-force of show room body 1 is great, then wind-force blows and prevents wind baffle 222, prevent wind baffle 222 and be blockked in spacing ring 2211 one side, can not open, avoid outside wind-force when using great lead to wind-force to flow backward through air outlet fan 245 and get into inside show room body 1, the influence is used, also can protect air outlet fan 245 simultaneously, avoid equipment damage.
The working principle is as follows: when the ventilation device 2 needs to be used, the motor 241 can be started, so that the motor 241 drives the first bevel gear 242 to rotate, the second bevel gear 2431 in meshing transmission with the first bevel gear 242 drives the third bevel gear 2432 to rotate, and further drives the third bevel gears 2432 on both sides to rotate, the fourth bevel gear 2441 drives the air inlet fan 244 and the air outlet fan 245 to perform rotary ventilation, the air inlet fan 244 and the air outlet fan 245 which are installed on both sides in opposite directions exchange air inside the exhibition hall body 1, when the air outlet fan 245 discharges air, the air inlet fan 244 simultaneously sucks in fresh air outside, and the air inlet fan 244 and the air outlet fan 245 which work simultaneously can keep air balance inside the exhibition hall body 1 and improve the air exchange rate, when the air inlet fan 244 and the air outlet fan 245 are used, the dust on the outside can be effectively blocked by the dust on the outside, prevent external dust from entering the inside of the exhibition hall body 1 along with the openings of the air inlet fan 244 and the air outlet fan 245, after the exhibition hall body 1 is used for a period of time, the dust-proof plate 232 can be drawn out, the dust-proof filter screen 233 installed at the upper end is disassembled and cleaned, the magnet piece 2321 can be adsorbed with the first fixing support 231 when being installed to prevent loosening and falling, the backflow-preventing unit 22 is installed outside the dust-proof unit 23 of the air outlet fan 245, when the air outlet fan 245 is used, the wind blows up the wind-proof baffle 222, the air inside the exhibition hall body 1 can be discharged, if the air outlet fan 245 is closed, the torsion spring drives the wind-proof baffle 222 to rebound, the wind-proof baffle 222 is closed, the outside dust is prevented from entering the inside of the exhibition hall body 1, if the external wind inside the exhibition hall body 1 is large, the wind blows up the wind-proof baffle 222, the wind-proof baffle 222 is blocked at one side of the limiting ring 2211 and cannot be opened, and the case that the external wind is large and the wind flows back into the exhibition hall body 1 through the air outlet fan 245 is prevented when the outside wind And the air outlet fan 245 can be protected while the use is influenced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a ventilation device for science and technology show room, includes show room body (1) and installs ventilation unit (2) in show room body (1) both sides, and ventilation unit (2) pass through bolt fixed mounting in show room body (1) both sides, its characterized in that: the ventilation device (2) comprises a mounting plate (21) and a ventilation cabinet (24) arranged on one side of the mounting plate (21), a dustproof unit (23) is arranged on the other side of the mounting plate (21), and a backflow prevention unit (22) is fixedly arranged on the outer side of the dustproof unit (23) at the upper end of the mounting plate (21);
the air interchanger is characterized in that a motor (241) is installed inside the air interchanger case (24), the motor (241) penetrates through the air interchanger case (24) and is provided with a first bevel gear (242), rotating units (243) are installed on two sides of the first bevel gear (242), an air inlet fan (244) is connected to the rotating unit (243) at the lower end, and an air outlet fan (245) is connected to the rotating unit (243) at the upper end.
2. A ventilation device for scientific and technological exhibition hall according to claim 1, characterized in that: the anti-backflow unit (22) is arranged on the outer side of the dustproof unit (23) corresponding to the air outlet fan (245), and the anti-backflow unit (22) is fixedly connected with the dustproof unit (23).
3. A ventilation device for scientific and technological exhibition hall according to claim 1, characterized in that: the rotating unit (243) comprises a second bevel gear (2431) in meshed connection with the first bevel gear (242) and a third bevel gear (2432) arranged at the other end of the second bevel gear (2431), and the third bevel gear (2432) is respectively connected with the air inlet fan (244) and the air outlet fan (245).
4. A ventilation device for scientific and technological exhibition hall according to claim 1, characterized in that: the air inlet fan (244) and the air outlet fan (245) are installed in opposite directions, a fourth conical gear (2441) is installed at one end of the air inlet fan (244) and one end of the air outlet fan (245), and the fourth conical gear (2441) is in meshing transmission with the third conical gear (2432).
5. A ventilation device for scientific and technological exhibition hall according to claim 1, characterized in that: dustproof unit (23) are including installing dust guard (232) at the inboard movable mounting of first fixed bolster (231) and first fixed bolster (231) of mounting panel (21) one side, and the internally mounted of dust guard (232) has dustproof filter screen (233).
6. A ventilation device for scientific and technological exhibition hall according to claim 5, characterized in that: the arc end fixed mounting of dust guard (232) has magnet piece (2321), and inside the arc wall (2311) that first fixed bolster (231) inside was seted up was installed through magnet piece (2321) in dust guard (232), and arc wall (2311) internally mounted has the gasket that adsorbs mutually with magnet piece (2321).
7. A ventilation device for scientific and technological exhibition hall according to claim 1, characterized in that: the backflow preventing unit (22) comprises a second fixing support (221) fixedly mounted on one side of the first fixing support (231) and a windproof baffle (222) movably mounted inside the second fixing support (221), a limiting ring (2211) is arranged inside the second fixing support (221), and a movable hole (2212) used for mounting the windproof baffle (222) is formed in one side of the limiting ring (2211).
8. A ventilation device for scientific and technological exhibition hall according to claim 7, characterized in that: the windproof baffles (222) are two semicircular plate surfaces, the connecting shaft (2221) is arranged in the middle of the two windproof baffles (222), the windproof baffles (222) on the two sides are movably connected through a torsion spring, movable piles (2222) are arranged at the upper end and the lower end of the connecting shaft (2221), and the movable piles (2222) are movably arranged in the movable holes (2212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121215883.XU CN214841387U (en) | 2021-06-02 | 2021-06-02 | Ventilation device for science and technology show hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121215883.XU CN214841387U (en) | 2021-06-02 | 2021-06-02 | Ventilation device for science and technology show hall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214841387U true CN214841387U (en) | 2021-11-23 |
Family
ID=78782172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121215883.XU Expired - Fee Related CN214841387U (en) | 2021-06-02 | 2021-06-02 | Ventilation device for science and technology show hall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214841387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110871A (en) * | 2021-11-26 | 2022-03-01 | 青岛酒店管理职业技术学院 | Ventilation system based on computer automated control |
-
2021
- 2021-06-02 CN CN202121215883.XU patent/CN214841387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110871A (en) * | 2021-11-26 | 2022-03-01 | 青岛酒店管理职业技术学院 | Ventilation system based on computer automated control |
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| 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: 20211123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |