CN213899339U - Novel exhaust fan - Google Patents
Novel exhaust fan Download PDFInfo
- Publication number
- CN213899339U CN213899339U CN202021843574.2U CN202021843574U CN213899339U CN 213899339 U CN213899339 U CN 213899339U CN 202021843574 U CN202021843574 U CN 202021843574U CN 213899339 U CN213899339 U CN 213899339U
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- China
- Prior art keywords
- exhaust fan
- cooling
- cooling sleeve
- rotating shaft
- pivot
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Abstract
The utility model provides a novel exhaust fan, which comprises a frame, be fixed with exhaust fan body, driving motor, coolant liquid case, cooling sleeve in the frame, this internal impeller of exhaust fan and pivot fixed connection, a plurality of cooling sleeve are worn to establish in the pivot, the pivot with leave the accommodation space between the cooling sleeve, the cooling sleeve both ends are equipped with the stuffing box and seal, the stuffing box is sealed including seal groove, filler, sealing ring one end stretches into in the seal groove with the filler crimping, the sealing ring with the cooling sleeve passes through bolt fixed connection, cooling sleeve and coolant liquid case pipe connection, one of them the cooling sleeve with be connected with the circulating pump between the coolant liquid case, the utility model discloses can make the pivot more stable, and can strengthen the radiating effect of pivot.
Description
Technical Field
The utility model relates to an exhaust fan device especially relates to a novel exhaust fan.
Background
The exhaust fan achieves the ventilation effect by exhausting air indoors or outdoors. The working principle of the exhaust fan is that the input electric power penetrates through the motor to drive the fan impeller to rotate so as to achieve the effect of air suction or air suction on gas, and the fan is composed of elements such as an air inlet impeller shell motor and the like, wherein the motor is used for converting the electric power into mechanical power to drive the impeller to rotate the air inlet so as to guide the gas to smoothly enter the impeller and transfer the kinetic energy generated during rotation to the gas. The output shaft of the motor is typically fixed to the frame, fixed and rotating by bearings.
In the prior art, if the exhaust fan exhausts hot air with higher temperature, a bearing communicated with a rotating shaft beside the exhaust fan is easy to damage due to overheating of the bearing caused by heat transmitted by the rotating shaft, and the rotation of the rotating shaft is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a novel exhaust fan, which includes a frame, wherein an exhaust fan body, a driving motor, a cooling liquid tank, and a cooling sleeve are fixed on the frame, an impeller in the exhaust fan body is fixedly connected to a rotating shaft, the rotating shaft penetrates through a plurality of cooling sleeves, an accommodating space is left between the rotating shaft and the cooling sleeve, stuffing seals are disposed at two ends of the cooling sleeve, each stuffing seal includes a sealing groove, a stuffing, and a sealing ring, one end of the sealing ring extends into the sealing groove and is pressed against the stuffing, the sealing ring is fixedly connected to the cooling sleeve by a bolt, the cooling sleeve is connected to a cooling liquid tank pipe, a circulating pump is connected between one of the cooling sleeve and the cooling liquid tank, the rotating shaft is hollow, two ends of the rotating shaft are sealed, and a water through hole is disposed on the rotating shaft located in the cooling sleeve, the end of the rotating shaft is fixedly provided with a driven wheel, and the driven wheel is connected with a driving wheel of a driving motor through a belt in a driving mode.
Preferably, protective covers are arranged outside the driven wheel and the driving wheel.
Preferably, the number of the cooling sleeves is two, and the sleeves are fixedly connected with the rack through fixing seats.
Preferably, the water through hole is positioned in the middle of the rotating shaft in the cooling sleeve.
Preferably, the number of the water passing holes in each cooling sleeve is two, and the two water passing holes are symmetrically arranged.
Preferably, two cooling sleeves are respectively arranged at two ends of the rotating shaft.
Preferably, a plurality of fillers are arranged in the sealing groove.
Preferably, the packing is a soft sealing packing.
The utility model has the advantages that: when the exhaust fan body works, heat on the impeller is conducted to the rotating shaft, the circulating pump is started, and the circulating pump can push the cooling liquid in the cooling liquid tank, the cooling sleeve and the rotating shaft to flow, so that heat in the rotating shaft is taken away to exchange heat with the cooling liquid tank, and the purpose of rapid heat dissipation is achieved;
and two the cooling sleeve sets up respectively at the pivot both ends, the cooling sleeve passes through fixing base and frame fixed connection and can strengthen pivot stability.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
FIG. 2 is a view showing the structure of the rotary shaft and the cooling sleeve.
The figure is as follows: 1 coolant liquid case, 2 exhaust fan bodies, 3 frames, 4 driving motor, 5 protection casings, 6 driven wheels, 7 cooling sleeves, 8 pipelines, 9 circulating pumps, 10 rotating shafts, 11 water holes, 12 fixing seats, 71 sealing rings, 72 fillers and 73 bolts.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-2, a novel exhaust fan comprises a frame 3, wherein an exhaust fan body 2, a driving motor 4, a cooling liquid tank 1 and cooling sleeves 7 are fixed on the frame 3, an impeller in the exhaust fan body 2 is fixedly connected with a rotating shaft 10, the rotating shaft 10 penetrates through the two cooling sleeves 7, the two cooling sleeves 7 are respectively arranged at two ends of the rotating shaft 10, and the sleeves are fixedly connected with the frame 3 through a fixing seat 12;
an accommodating space is reserved between the rotating shaft 10 and the cooling sleeve 7, stuffing box seals are arranged at two ends of the cooling sleeve 7 and comprise a seal groove, stuffing 72 and a seal ring 71, a plurality of stuffing 72 are arranged in the seal groove, and the stuffing 72 is soft seal stuffing;
one end of the sealing ring 71 extends into the sealing groove and is in compression joint with the filler 72, the sealing ring 71 is fixedly connected with the cooling sleeve 7 through a bolt 73, the cooling sleeve 7 is connected with a pipeline 8 of the cooling liquid tank 1, a circulating pump 9 is connected between one of the cooling sleeve 7 and the cooling liquid tank 1, the rotating shaft 10 is arranged in a hollow manner, two ends of the rotating shaft 10 are sealed, water through holes 11 are formed in the rotating shaft 10 in the cooling sleeve 7, the water through holes 11 are located in the middle of the rotating shaft 10 in the cooling sleeve 7, the number of the water through holes 11 in each cooling sleeve 7 is two, and the two water through holes 11 are symmetrically arranged;
a driven wheel 6 is fixed at the end part of the rotating shaft 10, the driven wheel 6 is in driving connection with a driving wheel of the driving motor 4 through a belt, and a protective cover 5 is arranged outside the driven wheel 6 and the driving wheel;
the principle of the utility model is that: start driving motor 4, driving motor 4 passes through the belt and drives from driving wheel 6, it rotates to drive pivot 10 from driving wheel 6, and pivot 10 can drive the impeller and rotate to work is seted up to exhaust fan body 2, works as heat on the exhaust fan body 2 during operation impeller can conduct pivot 10, pivot 10 wears to establish two cooling sleeve 7, and two cooling sleeve 7 both ends are all sealed to rotate with pivot 10 through the packing box and are connected, can avoid under the pivoted condition of pivot 10 the coolant liquid in cooling sleeve 7 spills, pivot 10 is located the place at cooling sleeve 7 middle part has been seted up and has been crossed water hole 11, just pivot 10 inside cavity, both ends are sealed, just pivot 10 with leave the space between cooling sleeve 7, start circulating pump 9, circulating pump 9 can promote coolant liquid case 1, The coolant liquid in cooling sleeve 7, the pivot 10 flows, and the coolant liquid is followed in coolant liquid case 1 flows in cooling sleeve 7 through pipeline 8, coolant liquid in cooling sleeve 7 passes through in water hole 11 inflow pivot 10, in the pivot 10 coolant liquid through the other end cross in water hole 11 flows out the cooling sleeve 7 of the other end, the circulating pump 9 that flows through at last gets into coolant liquid case 1 to take away the heat in the pivot 10 with coolant liquid case 1 carries out the heat transfer, thereby reaches quick radiating purpose, and two cooling sleeve 7 sets up respectively at pivot 10 both ends, pivot 10 stability can be strengthened through fixing base 12 and 3 fixed connection of frame to cooling sleeve 7.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the right of the present invention should not be limited thereby, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.
Claims (7)
1. The utility model provides a novel exhaust fan, includes the frame, its characterized in that: an exhaust fan body, a driving motor, a cooling liquid box and a cooling sleeve are fixed on the frame, an impeller in the exhaust fan body is fixedly connected with a rotating shaft, the rotating shaft penetrates through a plurality of cooling sleeves, an accommodating space is reserved between the rotating shaft and the cooling sleeves, the two ends of the cooling sleeve are provided with stuffing box seals, each stuffing box seal comprises a seal groove, stuffing and a seal ring, one end of the sealing ring extends into the sealing groove and is in compression joint with the filler, the sealing ring is fixedly connected with the cooling sleeve through a bolt, the cooling sleeve is connected with a cooling liquid tank pipeline, a circulating pump is connected between one of the cooling sleeves and the cooling liquid tank, the rotating shaft is arranged in a hollow manner, the water hole has been seted up in the sealed just position in pivot in the cooling sleeve in pivot both ends, pivot end fixing has from the driving wheel, pass through belt drive from driving wheel and driving motor's action wheel and be connected.
2. A novel exhaust fan in accordance with claim 1, wherein: the number of the cooling sleeves is two, and the sleeves are fixedly connected with the rack through fixing seats.
3. A novel exhaust fan in accordance with claim 1, wherein: the water passing hole is positioned in the middle of the rotating shaft in the cooling sleeve.
4. A novel exhaust fan in accordance with claim 1, wherein: the number of the water passing holes in each cooling sleeve is two, and the two water passing holes are symmetrically arranged.
5. A novel exhaust fan in accordance with claim 3, wherein: the two cooling sleeves are respectively arranged at two ends of the rotating shaft.
6. A novel exhaust fan in accordance with claim 1, wherein: a plurality of fillers are arranged in the sealing groove.
7. A novel exhaust fan in accordance with claim 1, wherein: the filler is soft sealing filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843574.2U CN213899339U (en) | 2020-08-29 | 2020-08-29 | Novel exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843574.2U CN213899339U (en) | 2020-08-29 | 2020-08-29 | Novel exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213899339U true CN213899339U (en) | 2021-08-06 |
Family
ID=77109201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021843574.2U Active CN213899339U (en) | 2020-08-29 | 2020-08-29 | Novel exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213899339U (en) |
-
2020
- 2020-08-29 CN CN202021843574.2U patent/CN213899339U/en active Active
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