CN206556257U - A kind of forced-ventilated extractor fan of gas heater - Google Patents
A kind of forced-ventilated extractor fan of gas heater Download PDFInfo
- Publication number
- CN206556257U CN206556257U CN201720154711.3U CN201720154711U CN206556257U CN 206556257 U CN206556257 U CN 206556257U CN 201720154711 U CN201720154711 U CN 201720154711U CN 206556257 U CN206556257 U CN 206556257U
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- China
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- motor
- fan blade
- collecting hood
- fume collecting
- exhaust fume
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Abstract
The utility model discloses a kind of forced-ventilated extractor fan of gas heater, including exhaust fume collecting hood, spiral case, wind wheel, motor, electric machine support, leg and fan blade, the exhaust fume collecting hood and spiral case connect insertion, constitute ventilation shaft；Wind wheel is arranged in spiral case, and wind wheel passes through rotating shaft and motor connection；Motor is arranged on electric machine support and is fixed on the side of exhaust fume collecting hood, and one end of the rotating shaft is connected with wind wheel, and the relative other end is connected with fan blade；Fan blade outer cover is additionally provided with outside the fan blade and fan blade outer cover is fixed on motor.Fan blade and wind wheel are separately mounted to the two ends of the rotating shaft of motor, make motor gravity balance, and motor is operationally more stable；The ventilation that fan blade is produced flows through motor, spiral case and exhaust fume collecting hood successively, and ventilation strip walks the heat that motor operating is produced；The ventilation that fan blade is produced forms heat insulating belt around motor, it is to avoid when the high-temp waste gas after water heater burning flows through exhaust fume collecting hood, transfers heat to motor and causes motor temperature to raise, and is conducive to extending the life-span of motor.
Description
Technical field
The utility model belongs to the ventilation parts technical field of liquid heater, more particularly to gas heater forced-ventilated
Extractor fan.
Background technology
The forced-ventilated extractor fan of gas heater is used as the important component of gas heater, the forced-ventilated exhausting of gas heater
The performance of device and life-span have a strong impact on the electricity in performance and the life-span of water heater, wherein the forced-ventilated extractor fan of gas heater
Machine produces heat in the running, if the heat that motor is produced can not exclude in time the operating efficiency that can badly influence motor and
Life-span.
At present, use shaft flow blade for electric motor temperature reduction in the forced-ventilated extractor fan of gas heater, shaft flow blade is more
Number be arranged between spiral case and motor and it is exposed in atmosphere, fan blade and wind wheel are arranged on same one end of machine shaft, motor
Center of gravity is offset to the direction of wind wheel and fan blade, smoothness during influence motor operation；Blower fan can not be effectively electric motor temperature reduction, shadow
Ring the life-span of motor；Meanwhile, fan blade is exposed in atmosphere, there is potential safety hazard, and exposed aerial fan blade is easily involved in foreign matter,
And cause fan blade to damage.
Utility model content
The utility model provides a kind of forced-ventilated extractor fan for the gas heater that can be effectively electric motor temperature reduction, this practicality
The new technical scheme used for：
A kind of forced-ventilated extractor fan of gas heater, including exhaust fume collecting hood, spiral case, wind wheel, motor, electric machine support, leg
And fan blade, wherein motor include motor housing and rotating shaft；The exhaust fume collecting hood and spiral case connect insertion, constitute ventilation shaft；Wind wheel
Inside the spiral case and pass through rotating shaft and motor connection；Motor is arranged on electric machine support and is fixed on the side of exhaust fume collecting hood；
Characterized in that, one end of the rotating shaft is connected with wind wheel, the relative other end is connected with fan blade；Wind is additionally provided with outside the fan blade
The leaf outer cover and fan blade outer cover is fixed on motor.
Further, the fan blade is shaft flow blade.
Further, the spiral case includes protecgulum and bonnet, and the protecgulum and bonnet are connected by riveted structure.
Further, one end of the electric machine support is fixed on after spiral case and covered, and the other end is solid to be fixedly connected with motor.
Further, motor housing is also covered with outside the motor, motor housing includes procapsid and back casing, wherein after
The end face of housing is provided with air inlet, and the circumferential wall body of back casing is provided with air outlet.
Further, the exhaust fume collecting hood is made up of front panel, rear board, left plate, right side upper plate and right side lower plate, each plate
Between connected by riveted structure.
Further, the exhaust fume collecting hood also includes deflector, and deflector is fixedly connected with the left plate and right side lower plate,
The deflector is provided with multiple through holes.
Wind wheel and fan blade are connected to the two ends of machine shaft, make motor gravity balance, and motor is operationally more stable；
In the running, fan blade is rotated the motor, and fan blade produces and flows through motor, the ventilation of spiral case exhaust fume collecting hood successively, and ventilation strip walks motor
The heat produced is operated, the temperature of motor is effectively reduced；The ventilation that fan blade is produced forms heat insulating belt around motor, it is to avoid combustion
High-temp waste gas after burning transfers heat to motor and causes motor temperature to raise when flowing through exhaust fume collecting hood, is conducive to extending motor
Life-span；Fan blade outer cover is also covered with outside the fan blade, fan blade outer cover eliminates potential safety hazard, it is to avoid extraneous foreign matter is involved in and damaged
Fan blade.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
The forced-ventilated extractor fan stereogram for the gas heater that Fig. 1 provides for the utility model；
The three-dimensional exploded view of the forced-ventilated extractor fan for the gas heater that Fig. 2 provides for the utility model；
The stereogram of the exhaust fume collecting hood of the forced-ventilated extractor fan for the gas heater that Fig. 3 provides for the utility model；
The three-dimensional exploded view of the exhaust fume collecting hood of the forced-ventilated extractor fan for the gas heater that Fig. 4 provides for the utility model；
The three-dimensional exploded view of the motor of the forced-ventilated extractor fan for the gas heater that Fig. 5 provides for the utility model.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Type embodiment and accompanying drawing, the technical scheme in the utility model embodiment is clearly and completely described.
Illustrate embodiment of the present utility model below in conjunction with the accompanying drawings.
As Figure 1-5, the forced-ventilated extractor fan of gas heater described in the utility model include exhaust fume collecting hood 1, spiral case 2,
Wind wheel 3, motor 4, electric machine support 5, leg 6, fan blade 7, fan blade outer cover 8 and deflector 9.
The exhaust fume collecting hood 1 is connected insertion with spiral case 2, constitutes air communication channel.The exhaust fume collecting hood 1 by front panel 11, after
Panel 12, left plate 13, right side upper plate 14 and right side lower plate 15 are constituted, and are connected between each plate by riveted structure.The snail
Shell 2 is made up of protecgulum 21 and bonnet 22, and the protecgulum 21 and bonnet 22 are connected by riveted structure.Exhaust fume collecting hood 1 and spiral case 2 are used
Riveted structure, improves rigidity, the sealing of exhaust fume collecting hood 1 and spiral case 2, reduces manufacturing procedure, improves production power.
The exhaust fume collecting hood 1 also includes deflector 9, and deflector 9 is fixedly connected with left plate 13 and right side lower plate 15；It is described to lead
High temperature gas flow after stream plate 9 burns provided with multiple through hole hot water supply devices passes through, with making the air-flow uniform and stable that is produced after burning
Pass through exhaust fume collecting hood 1.
Motor 4 includes rotating shaft 41 and motor housing 42, and wind wheel 3 is located inside spiral case 2；One end of rotating shaft 41 connects with wind wheel 3
Connect, the relative other end is connected with fan blade 7；The fan blade 7 is outer to be also covered with fan blade outer cover 8, and fan blade outer cover 8 is fixed with motor 4
Connection, the fan blade for being covered with fan blade outer cover 8 produces when rotating and flows through motor 4, the ventilation of the exhaust fume collecting hood of spiral case 2, the ventilation strip leakage of electricity successively
The heat that machine operating is produced, effectively reduces the temperature fan blade of motor；Outer cover 8 also eliminates potential safety hazard, it is to avoid in air or
Foreign matter is involved in fan blade 7 and damages fan blade 7.
Motor 4 is fixed on the side of exhaust fume collecting hood 1 by electric machine support 5, and one end of the electric machine support 5 is fixed on spiral case 2
Bonnet 22 on, the relative other end is fixedly connected with motor 4.
One end of the leg 6 is fixed in the right side lower plate 15 of the exhaust fume collecting hood 1, and the other end is fixed with the motor 4
Connection；The leg 6 makes the connection between motor 4 and exhaust fume collecting hood 1 more firm, adds the stability of the operation of motor 4.
The motor housing 42 includes procapsid 421 and back casing 422, and the wherein end face of back casing 422 is provided with air intake
Mouth 4221, the circumferential wall body of procapsid 421 is provided with air outlet 4211.The air inlet 4221 includes multiple I type grooves and rear
It is uniformly distributed in a ring on the end face of housing 422, the air outlet 4211 includes multiple I type grooves and in the circumference of procapsid 421
It is uniformly distributed on wall body.
Fan blade 7 is shaft flow blade, and when motor 4 is run, fan blade 7 is rotated, and the ventilation of formation sequentially passes through motor 4, spiral case 2
With exhaust fume collecting hood 1, air inlet 4221 and air outlet 4211 are passed through in ventilation, effectively take away motor 4 and operate produced heat；It is described
The ventilation that fan blade 7 is produced forms heat insulating belt around motor 4, and when heat insulating belt avoids the high-temp waste gas from flowing through exhaust fume collecting hood 1, heat is passed
It is handed to motor 4 and causes the temperature of motor 4 to raise.On the other hand, the two ends of the rotating shaft 41 of motor 4 connect with fan blade 7 and wind wheel 3 respectively
Connect, make the gravity balance of motor 4, run more steady.
It should be noted that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment obtained, belongs to the scope of the utility model protection.
Claims (7)
1. a kind of forced-ventilated extractor fan of gas heater, including exhaust fume collecting hood, spiral case, wind wheel, motor, electric machine support, leg and
Fan blade, wherein motor include motor housing and rotating shaft；The exhaust fume collecting hood and spiral case connect insertion, constitute ventilation shaft；Wind wheel is pacified
Inside the spiral case and pass through rotating shaft and motor connection；Motor is arranged on electric machine support and is fixed on the side of exhaust fume collecting hood；Its
It is characterised by, one end of the rotating shaft is connected with wind wheel, the relative other end is connected with fan blade；Fan blade is additionally provided with outside the fan blade
The outer cover and fan blade outer cover is fixed on motor.
2. the forced-ventilated extractor fan of gas heater according to claim 1, it is characterised in that the fan blade is axial-flow type
Fan blade.
3. the forced-ventilated extractor fan of gas heater according to claim 1, it is characterised in that the spiral case includes protecgulum
And bonnet, the protecgulum and bonnet are connected by riveted structure.
4. the forced-ventilated extractor fan of gas heater according to claim 3, it is characterised in that the one of the electric machine support
End, which is fixed on after spiral case, to be covered, and the other end is solid to be fixedly connected with motor.
5. the forced-ventilated extractor fan of gas heater according to claim 4, it is characterised in that the motor housing includes
The end face of procapsid and back casing, wherein back casing is provided with air inlet, and the circumferential wall body of back casing is provided with air outlet.
6. the forced-ventilated extractor fan of gas heater according to claim 1, it is characterised in that the exhaust fume collecting hood is by above
Plate, rear board, left plate, right side upper plate and right side lower plate are constituted, and are connected between each plate by riveted structure.
7. the forced-ventilated extractor fan of gas heater according to claim 6, it is characterised in that the exhaust fume collecting hood also includes
Deflector, deflector is fixedly connected with the left plate and right side lower plate, and the deflector is provided with multiple through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154711.3U CN206556257U (en) | 2017-02-20 | 2017-02-20 | A kind of forced-ventilated extractor fan of gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154711.3U CN206556257U (en) | 2017-02-20 | 2017-02-20 | A kind of forced-ventilated extractor fan of gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556257U true CN206556257U (en) | 2017-10-13 |
Family
ID=60361246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720154711.3U Active CN206556257U (en) | 2017-02-20 | 2017-02-20 | A kind of forced-ventilated extractor fan of gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206556257U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642703A (en) * | 2017-02-20 | 2017-05-10 | 广东裕祥环保科技有限公司 | Strong exhaust air suction system of gas water heater |
| WO2019120143A1 (en) * | 2017-12-19 | 2019-06-27 | 蔡应麟 | Improved structure of brushless motor of blower of range hood |
| CN110594805A (en) * | 2019-08-09 | 2019-12-20 | 宁波方太厨具有限公司 | Side-draft range hood |
-
2017
- 2017-02-20 CN CN201720154711.3U patent/CN206556257U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642703A (en) * | 2017-02-20 | 2017-05-10 | 广东裕祥环保科技有限公司 | Strong exhaust air suction system of gas water heater |
| WO2019120143A1 (en) * | 2017-12-19 | 2019-06-27 | 蔡应麟 | Improved structure of brushless motor of blower of range hood |
| CN110594805A (en) * | 2019-08-09 | 2019-12-20 | 宁波方太厨具有限公司 | Side-draft range hood |
| CN110594805B (en) * | 2019-08-09 | 2021-04-16 | 宁波方太厨具有限公司 | Side-draft range hood |
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