CN212774851U - Purification fan for negative pressure chamber - Google Patents
Purification fan for negative pressure chamber Download PDFInfo
- Publication number
- CN212774851U CN212774851U CN202021374575.7U CN202021374575U CN212774851U CN 212774851 U CN212774851 U CN 212774851U CN 202021374575 U CN202021374575 U CN 202021374575U CN 212774851 U CN212774851 U CN 212774851U
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- China
- Prior art keywords
- fan
- dryer
- negative pressure
- power motor
- support
- Prior art date
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- Expired - Fee Related
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- 238000000746 purification Methods 0.000 title claims abstract description 25
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 23
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a negative pressure is purification fan for room, support and dryer including fan shell body, dryer, fan shell body inside weld have the dryer supports, the dryer supports inside both sides and all welds the dryer, the inside rotation support that is provided with of dryer, rotate the support with be provided with the bracing piece between the dryer. Has the advantages that: the utility model discloses a power motor can drive the inside fan main shaft of dryer of both sides and rotate, and then drive the high-speed rotation of fan blade, can increase under less circumstances at the energy consumption, the volume of airing exhaust of greatly increased negative pressure chamber fan, promote the effect of airing exhaust, and simultaneously, at power motor during operation, can drive radiating blade and rotate in step, dispel the heat for power motor self, can change the poor shortcoming of radiator fan radiating effect of current motor back seat, strengthen power motor's radiating effect in this purification fan greatly, ensure power motor steady operation.
Description
Technical Field
The utility model relates to a purification fan technical field, concretely relates to negative pressure is purification fan for room.
Background
The negative pressure room is characterized in that the air pressure in the room is lower than the air pressure outside the ward under a special device, so that only fresh air outside can flow into the room from the air circulation, the air in the room is timely discharged to a fixed place through a special channel, and the purifying fan is an important component of the negative pressure room.
However, in the working process of the existing purification fan for the negative pressure chamber, most of the power motors drive one fan to work, the energy consumption utilization rate of the power motors is low, energy waste is caused, and meanwhile, when the power motors run, the power motors mostly radiate heat through small fans arranged at the tail parts of the power motors, so that the radiating effect is poor, and the stable operation of the power motors is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the purification fan for the negative pressure chamber is provided, and the problems that in the working process of the existing purification fan for the negative pressure chamber, a power motor mostly drives a fan to work, the energy consumption utilization rate of the power motor is low, energy waste is caused, and when the power motor runs, the heat is mostly dissipated through a small fan arranged at the tail of the power motor, the heat dissipation effect is poor, and the stable running of the power motor is influenced are solved.
Technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a negative pressure is purification fan for room, support and the dryer including fan shell body, dryer, fan shell body inside weld have the dryer supports, the dryer supports inside both sides and all welds the dryer, the inside rotation support that is provided with of dryer, rotate the support with be provided with the bracing piece between the dryer, the bracing piece with the dryer and the support all welds the inside fan main shaft that is provided with of dryer, a fan main shaft tip is provided with the fan band pulley, lie in on the dryer supports there is power motor through the screw connection between the dryer, the power motor output has the motor band pulley through the key-type connection, the motor band pulley is double band pulley, the motor band pulley with be connected with the belt between the fan band pulley.
By adopting the technical scheme, the power motor is started, and can be driven under the driving of the belt, the fan main shaft is driven to rotate inside the air duct on two sides of the power motor, so that the air exhaust quantity of the negative pressure chamber fan can be greatly increased under the condition that the energy consumption is less increased, and the air exhaust effect is improved.
Furthermore, the power motor is a double-spindle motor, a radiating blade is arranged on an output shaft at the other end of the power motor, and the radiating blade is in key connection with the output shaft of the power motor.
By adopting the technical scheme, the heat dissipation fan can drive the heat dissipation blades to rotate, the heat dissipation of the power motor can be realized, the defect that the heat dissipation effect of the heat dissipation fan of the existing motor rear seat is poor can be overcome, the heat dissipation effect of the power motor in the purification fan is greatly enhanced, and the stable operation of the power motor is ensured.
Further, a bearing is arranged between the fan main shaft and the rotating support, and the number of the bearings is four.
By adopting the technical scheme, the fan main shaft can be ensured to flexibly rotate along the rotating support.
Further, the hole of bearing with fan main shaft interference is connected, the excircle of bearing with the hole interference of rotating the support is connected, the fan main shaft with rotating the support and passing through the bearing roll connection.
By adopting the technical scheme, the installation of the bearing can be realized, and the rotation of the fan main shaft along the rotating support is further ensured so as to reduce the rotating friction force of the fan main shaft.
Further, the fan shell body is of a square structure, protective nets are arranged on the fan shell body and located on two sides of the air duct, and the protective nets are connected with the fan shell body through screws.
Through adopting above-mentioned technical scheme, the protection network can play the effect of protection when this purification fan operates.
Further, the welding has the fixed strip on the fan shell body outer wall, the fixed strip one side bonds and has the sealing strip, the sealing strip and the fixed orifices has all been seted up on the fixed strip.
Through adopting above-mentioned technical scheme, can pass through fixed orifices on the fixed strip is fixed this purification fan in suitable position, when fixed, sealing strip and installation area in close contact with can improve the sealed effect of installation area.
Advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1. in order to solve the problems that in the working process of the existing purification fan for the negative pressure chamber, a power motor mostly drives a fan to work, the energy consumption utilization rate of the power motor is low, and the energy is wasted, the utility model can drive the fan main shafts in the air cylinders at two sides to rotate through one power motor, and further drive the fan blades to rotate at high speed, so that the air exhaust volume of the fan for the negative pressure chamber can be greatly increased under the condition of less energy consumption increase, and the air exhaust effect is improved;
2. for solving the power motor operation in the current purification fan for negative pressure chamber, mostly dispel the heat through the little fan from the area of power motor afterbody, the radiating effect is relatively poor, influences power motor's steady operation's problem, the utility model discloses at power motor during operation, can drive radiating vane synchronous rotation, for power motor self heat dissipation, can change the poor shortcoming of radiating fan radiating effect of current motor back seat, strengthen this purification fan in power motor's radiating effect greatly, ensure power motor steady operation.
Drawings
Fig. 1 is a front view of a cleaning fan for a negative pressure chamber according to the present invention;
fig. 2 is a cross-sectional view of a purification fan for a negative pressure chamber according to the present invention;
fig. 3 is a schematic view of the connection relationship between the rotating support, the bearing and the main shaft of the fan in the purifying fan for the negative pressure chamber.
The reference numerals are explained below:
1. a fan outer casing; 2. a fixing strip; 3. a fixing hole; 4. a sealing strip; 5. an air duct; 6. a protective net; 7. a power motor; 8. supporting the air duct; 9. rotating the support; 10. a support bar; 11. a fan main shaft; 12. A fan blade; 13. a heat dissipating fin; 14. a fan belt wheel; 15. a belt; 16. a motor pulley; 17. and a bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the purifying fan for negative pressure chamber in this embodiment comprises a fan housing 1, a wind barrel support 8 and a wind barrel 5, the wind barrel support 8 is welded inside the fan housing 1, the wind barrel 5 is welded on both sides inside the wind barrel support 8, a rotating support 9 is arranged inside the wind barrel 5, a support rod 10 is arranged between the rotating support 9 and the wind barrel 5, the support rod 10, the wind barrel 5 and the rotating support 9 are welded inside the wind barrel 5, a fan spindle 11 is arranged inside the wind barrel 5, a fan pulley 14 is arranged at one end of the fan spindle 11, a power motor 7 is connected between the wind barrel 5 on the wind barrel support 8 through a screw, an output end of the power motor 7 is connected with a motor pulley 16 through a key, the motor pulley 16 is a double-row pulley, a belt 15 is connected between the motor pulley 16 and the fan pulley 14, the power motor 7 is started and, the fan main shaft 11 in the air duct 5 on both sides of the power motor 7 is driven to rotate, so that the air exhaust amount of the negative pressure chamber fan can be greatly increased under the condition of less increase of energy consumption, and the air exhaust effect is improved.
The bearings 17 are arranged between the fan main shaft 11 and the rotating support 9, and the number of the bearings 17 is four, so that the fan main shaft 11 can be ensured to flexibly rotate along the rotating support 9.
The hole and the fan main shaft 11 interference of bearing 17 are connected, and the excircle of bearing 17 is connected with the hole interference of rotating the support 9, and fan main shaft 11 passes through bearing 17 rolling connection with rotating the support 9, can realize the installation to bearing 17, and then ensures that fan main shaft 11 rotates along rotating the support 9 to reduce fan main shaft 11 pivoted frictional force.
The fan shell body 1 is square structure, and the fan shell body 1 is gone up and is located 5 both sides of dryer and all be provided with protection network 6, and protection network 6 passes through screw connection with the fan shell body 1, and protection network 6 can play the effect of protection when this purification fan moves.
The welding has fixed strip 2 on the 1 outer wall of fan shell body, and 2 one sides of fixed strip are bonded and have sealing strip 4, have all seted up fixed orifices 3 on sealing strip 4 and the fixed strip 2, can fix this purification fan in suitable position through fixed orifices 3 on the fixed strip 2, and when fixed, sealing strip 4 and installation area in close contact with can improve the sealed effect of installation area.
The specific implementation process of this embodiment is as follows: when the purifying fan is used, the purifying fan is fixed at a proper position in a negative pressure room through a fixing hole 3 on a fixing strip 2, then a power supply is switched on, the power motor 7 is started, under the transmission action of a motor belt wheel 16, a belt 15 and a fan belt wheel 14, a fan main shaft 11 in an air duct 5 at two sides of the power motor 7 is driven to rotate, and further a fan blade 12 is driven to rotate at a high speed, the air exhaust amount of the negative pressure chamber fan can be greatly increased under the condition of less energy consumption increase, the air exhaust effect is improved, when the power motor 7 works, a radiating blade 13 can be driven to synchronously rotate to radiate heat for the power motor 7, the defect that the radiating effect of a radiating fan of an existing motor rear seat is poor can be changed, the radiating effect of the power motor 7 in the purifying fan is greatly enhanced, the stable operation of the power motor 7 is ensured, and the protective net 6 can, the function of safety protection is played.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. The utility model provides a negative pressure is clean fan for room which characterized in that: including fan shell body, dryer support and dryer, fan shell body internal weld have the dryer supports, the dryer supports inside both sides all to weld the dryer, the inside rotation support that is provided with of dryer, rotate the support with be provided with the bracing piece between the dryer, the bracing piece with the dryer and the rotation support all welds the inside fan main shaft that is provided with of dryer, a fan main shaft tip is provided with the fan band pulley, the dryer supports to be located there is motor power through the screw connection between the dryer, the motor power output has the motor band pulley through the key-type connection, the motor band pulley is double band pulley, the motor band pulley with be connected with the belt between the fan band pulley.
2. The purification fan for the negative pressure chamber according to claim 1, wherein: the power motor is a double-spindle motor, a radiating blade is arranged on an output shaft at the other end of the power motor, and the radiating blade is connected with the output shaft of the power motor through a key.
3. The purification fan for the negative pressure chamber according to claim 2, wherein: and bearings are arranged between the fan main shaft and the rotating support, and the number of the bearings is four.
4. The purification fan for the negative pressure chamber according to claim 3, wherein: the hole of bearing with fan main shaft interference is connected, the excircle of bearing with the hole interference of rotating the support is connected, the fan main shaft with rotating the support and passing through the bearing roll connection.
5. The purification fan for the negative pressure chamber according to claim 4, wherein: the fan shell body is of a square structure, protective nets are arranged on the fan shell body and located on two sides of the air duct, and the protective nets are connected with the fan shell body through screws.
6. The purification fan for the negative pressure chamber according to claim 5, wherein: the welding has the fixed strip on the fan shell body outer wall, fixed strip one side bonds and has the sealing strip, the sealing strip and all seted up the fixed orifices on the fixed strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021374575.7U CN212774851U (en) | 2020-07-14 | 2020-07-14 | Purification fan for negative pressure chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021374575.7U CN212774851U (en) | 2020-07-14 | 2020-07-14 | Purification fan for negative pressure chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212774851U true CN212774851U (en) | 2021-03-23 |
Family
ID=75078699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021374575.7U Expired - Fee Related CN212774851U (en) | 2020-07-14 | 2020-07-14 | Purification fan for negative pressure chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212774851U (en) |
-
2020
- 2020-07-14 CN CN202021374575.7U patent/CN212774851U/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: 20210323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |