CN203670302U - Horizontal type forced drainage and air draft assembly of draught fan of gas heater - Google Patents
Horizontal type forced drainage and air draft assembly of draught fan of gas heater Download PDFInfo
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- CN203670302U CN203670302U CN201420029665.0U CN201420029665U CN203670302U CN 203670302 U CN203670302 U CN 203670302U CN 201420029665 U CN201420029665 U CN 201420029665U CN 203670302 U CN203670302 U CN 203670302U
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- motor
- flange
- collecting hood
- fume collecting
- exhaust fume
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Abstract
A horizontal type forced drainage and air draft assembly of a draught fan of a gas heater comprises an exhaust fume collecting hood, a volute, a motor, motor supporting legs, a centrifugal wind wheel and a water tank, wherein the volute is composed of a front volute shell and a rear volute shell. The horizontal type forced drainage and air draft assembly of the draught fan of the gas heater is characterized in that the front volute shell and the exhaust fume collecting hood are integrally formed in a die-casting mode; a front flange plate is arranged on the edge of the front volute shell and is provided with an edge board; a front connection base is arranged on the circumferential surface of the edge board; the rear volute shell and the motor supporting legs are integrally formed in a die-casting mode; a rear flange plate is arranged on the edge of the rear volute shell and is provided with a right-angled groove; a rear connection base is arranged on the circumferential surface of the rear flange plate; the front flange plate and the rear flange plate are attached, and the edge board and the right-angled groove are embedded to achieve air-tight seal; the front connection base and the rear connection base are fixedly connected through bolts. By the adoption of the structure, the sealing performance is high; the rear volute shell and the motor supporting legs are integrally formed in the die-casting mode, so that rigidity and durability of the structure are enhanced.
Description
Technical field
The utility model relates to the ventilation component technical field of liquid heater, relates in particular to the fume extractor of gas water-heater.
Background technique
At present, as the living electric apparatus of Modern Family, can there is the poisoning or anoxic events such as the insufficient generation carbon monoxide smoke of gas leakage or fuel gas buring in gas water-heater often, and state compulsion requires manufacturer to configure Forced discharge fan at gas water-heater.Therefore, Forced discharge fan becomes important composition parts of gas water-heater, and the soundness of its assembling and sealing directly affect the performance of water heater.
The horizontal forced-ventilated exhausting of the blower fan portion dress of existing gas water-heater is made up of exhaust fume collecting hood, spiral case, motor, wind wheel, and exhaust fume collecting hood, spiral case Placement mainly adopt welding or riveting process, the high-temperature acidic flue gas producing after fuel gas buring can corrode solder joint and rivet, cause solder joint place to get rusty easily, connection mouth or riveted joint position occur loosening, the long-time rear fan part case that uses can go out right sealing-off or come off, and has a strong impact on the working life of water heater; The gap of exhaust fume collecting hood and the spiral case connection part situation that gas leaks of can being fuming, has potential safety hazard in addition.
The flue gas of high temperature spiral case and wind wheel, heat passes to motor, the motor motor circuit that is influenced by heat, easily breaks down.
Summary of the invention
The purpose of this utility model is: a kind of horizontal forced-ventilated exhausting of blower fan portion dress of gas water-heater is provided, and it has the good airproof performance of flue gas channel, and long service life is safe and reliable.
The utility model is achieved in that the horizontal forced-ventilated exhausting of a kind of blower fan of gas water-heater portion dress, comprise exhaust fume collecting hood, spiral case, motor, motor leg, centrifugal wind wheel and water tank, described spiral case is made up of front volute body and rear volute body, spiral case is connected with exhaust fume collecting hood, centrifugal wind wheel is arranged in spiral case, rear volute body surface arranges motor leg, motor is fixedly connected with on motor leg, the rotating shaft of motor is connected with centrifugal wind wheel, its special way is: described front volute body and exhaust fume collecting hood adopt that extrusion process is one-body molded to be made, forward flange dish is set on the edge of front volute body, on described forward flange dish, have along plate, one front connecting base is arranged on along in the peripheral surface of plate,
Described rear volute body and motor leg adopt that extrusion process is one-body molded to be made, and on the edge of rear volute body, rear stub are set; In described rear stub, have right angle type groove, described rear connecting base is arranged in the peripheral surface of rear stub;
Described forward and backward flange plate laminating and along plate and right angle type groove is chimeric and hermetic seal, forward and backward connecting base is fixedly connected with bolt.
The horizontal forced-ventilated exhausting of the blower fan portion dress of described a kind of gas water-heater, its special way is: the top of described water tank arranges flange, and described flange is to be formed by the plate body outward of water tank, and flange is vertical with the plate face of water tank; Described exhaust fume collecting hood bottom arranges right angle type button limit, described right angle type button limit by the panel of exhaust fume collecting hood through outwards, be bent into downwards; The horizontal edge on described flange and right angle type button limit posts and fixes and links together, the vertical side laminating on the circumferential surface of flange and right angle type button limit.
The horizontal forced-ventilated exhausting of the blower fan portion dress of described a kind of gas water-heater, its special way is: also comprise a cooling wind blade, described cooling wind blade is arranged between rear volute body and motor, is connected with the rotating shaft of motor.
The horizontal forced-ventilated exhausting of the blower fan portion harness of a kind of gas water-heater that compared with prior art, the utility model provides has following beneficial effect:
One, exhaust fume collecting hood and front volute body adopt that extrusion process is one-body molded to be made, and there is no connection mouth, not welding and riveted joint, and sealing is strong, prevents the fault of smoke spillage, has greatly improved stability, the Security of forced-ventilated exhausting portion dress.
Two, rear volute body and front volute body adopt the spiral case that flange connection forms, and the embedded structure of button limit and right angle type groove is set on flange plate, form airtight seal, make spiral case sealing stronger.
Three, right volute body and motor leg adopt that extrusion process is one-body molded to be made, and strengthen rigidity and the serviceability of its structure, the work of better support motor.
Four, cooling wind blade produces wind energy, ventilated motor, and cooling wind blade is arranged between spiral case and motor simultaneously, and the thermal radiation that has effectively intercepted high-temperature flue gas acts on motor, reduces the temperature of motor, has strengthened the stability of blower fan and has increased the service life.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model;
Fig. 2 is stereogram of the present utility model;
Fig. 3 is three-dimensional exploded view of the present utility model;
Fig. 4 is integral type exhaust fume collecting hood of the present utility model and front spiral case stereogram;
Fig. 5 is rear spiral case stereogram of the present utility model;
Fig. 6 is forward and backward volute body linkage structure schematic diagram of the present utility model;
Fig. 7 is water tank stereogram of the present utility model;
Fig. 8 is the linkage structure schematic diagram of water tank of the present utility model and exhaust fume collecting hood;
Description of reference numerals:
1, exhaust fume collecting hood, 2, spiral case, 3, motor, 4, motor leg, 5, centrifugal wind wheel, 6, water tank, 7, forward flange dish, 8, rear stub, 9, cooling wind blade, 11, right angle type button limit, 21, front volute body, 22, rear volute body, 61, water tank flange.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, Figure 2 and Figure 3, a kind of horizontal forced-ventilated exhausting of blower fan portion dress of gas water-heater, comprise exhaust fume collecting hood 1, spiral case 2, motor 3, motor leg 4, centrifugal wind wheel 5 and water tank 6, described spiral case 2 is made up of front volute body 21 and rear volute body 22, and spiral case 2 is connected with exhaust fume collecting hood 1, centrifugal wind wheel 5 is arranged in spiral case 2, rear volute body 22 surfaces arrange motor leg 4, and motor 3 is fixedly connected with on motor leg 5, and the rotating shaft of motor 3 is connected with centrifugal wind wheel 5;
As shown in Fig. 4, Fig. 5, Fig. 6, described front volute body 21 adopts with exhaust fume collecting hood 1 that extrusion process is one-body molded to be made, forward flange dish 7 is set on the edge of front volute body 21, on described forward flange dish 7, has along the front connecting base 72 of plate 71, and be arranged on along in the peripheral surface of plate 71;
Described rear volute body 22 adopts with motor leg 4 that extrusion process is one-body molded to be made, and rear stub 8 is set on the edge of rear volute body 22; In described rear stub 8, there is the rear connecting base 82 of right angle type groove 81, to be arranged in the peripheral surface of rear stub 8;
Described forward and backward flange plate 7,8 laminatings and the chimeric and hermetic seal along plate 71 and right angle type groove 81, forward and backward connecting base 72,82 use bolts are fixedly connected with.
As shown in Figure 7, the top of described water tank 6 arranges flange 61, and described flange 61 is to be formed by the plate body outward of water tank, and flange 61 is vertical with the plate face of water tank 6;
As shown in Fig. 3, Fig. 8, described exhaust fume collecting hood bottom arranges right angle type button limit 11, described right angle type button limit 11 by the panel of exhaust fume collecting hood through outwards, be bent into downwards; Described flange 61 posts and fixes and links together with the horizontal edge on right angle type button limit 11, the vertical side laminating on the circumferential surface of flange 61 and right angle type button limit 11.
Also comprise a cooling wind blade 9, described cooling wind blade is arranged between rear volute body 22 and motor 3, is connected with the rotating shaft of motor 3, and motor 3 drives cooling wind blade 9 to rotate and produces wind energy, ventilated motor 3; The thermal radiation that while cooling wind blade 9 has intercepted high-temperature flue gas generation acts on motor 3, effectively reduces the temperature of motor 3, has increased the stability of blower fan.
Above-described is only preferential mode of execution of the present utility model.It should be pointed out that for the person of ordinary skill of the art, in the situation that not departing from the utility model principle, can also make some improvement and modification, this is also considered as protection domain of the present utility model.
Claims (3)
1. the horizontal forced-ventilated exhausting of the blower fan of gas water-heater portion dress, comprise exhaust fume collecting hood, spiral case, motor, motor leg, centrifugal wind wheel and water tank, described spiral case is made up of front volute body and rear volute body, spiral case is connected with exhaust fume collecting hood, centrifugal wind wheel is arranged in spiral case, rear volute body surface arranges motor leg, motor is fixedly connected with on motor leg, the rotating shaft of motor is connected with centrifugal wind wheel, it is characterized in that: described front volute body and exhaust fume collecting hood adopt that extrusion process is one-body molded to be made, forward flange dish is set on the edge of front volute body, on described forward flange dish, have along plate, one front connecting base is arranged on along in the peripheral surface of plate,
Described rear volute body and motor leg adopt that extrusion process is one-body molded to be made, and on the edge of rear volute body, rear stub are set; In described rear stub, have right angle type groove, described rear connecting base is arranged in the peripheral surface of rear stub;
Described forward and backward flange plate laminating and along plate and right angle type groove is chimeric and hermetic seal, forward and backward connecting base is fixedly connected with bolt.
2. the horizontal forced-ventilated exhausting of the blower fan of a kind of gas water-heater according to claim 1 portion dress, is characterized in that: the top of described water tank arranges flange, and described flange is to be formed by the plate body outward of water tank, and flange is vertical with the plate face of water tank; Described exhaust fume collecting hood bottom arranges right angle type button limit, described right angle type button limit by the panel of exhaust fume collecting hood through outwards, be bent into downwards; The horizontal edge on described flange and right angle type button limit posts and fixes and links together, the vertical side laminating on the circumferential surface of flange and right angle type button limit.
3. the horizontal forced-ventilated exhausting of the blower fan of a kind of gas water-heater according to claim 1 portion dress, is characterized in that: also comprise a cooling wind blade, described cooling wind blade is arranged between rear volute body and motor, is connected with the rotating shaft of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029665.0U CN203670302U (en) | 2014-01-17 | 2014-01-17 | Horizontal type forced drainage and air draft assembly of draught fan of gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029665.0U CN203670302U (en) | 2014-01-17 | 2014-01-17 | Horizontal type forced drainage and air draft assembly of draught fan of gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670302U true CN203670302U (en) | 2014-06-25 |
Family
ID=50966605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420029665.0U Expired - Fee Related CN203670302U (en) | 2014-01-17 | 2014-01-17 | Horizontal type forced drainage and air draft assembly of draught fan of gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670302U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520134A (en) * | 2018-09-26 | 2019-03-26 | 中山市恒乐电器有限公司 | A kind of non-diluted blowing plant for high-efficiency water heater |
| WO2019218651A1 (en) * | 2018-05-14 | 2019-11-21 | 芜湖美的厨卫电器制造有限公司 | Fume exhaust assembly and gas water heater |
-
2014
- 2014-01-17 CN CN201420029665.0U patent/CN203670302U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019218651A1 (en) * | 2018-05-14 | 2019-11-21 | 芜湖美的厨卫电器制造有限公司 | Fume exhaust assembly and gas water heater |
| US11371749B2 (en) | 2018-05-14 | 2022-06-28 | Wuhu Midea Kitchen And Bath Appliances Mfg. Co., Ltd. | Fume exhaust assembly and gas water heater |
| CN109520134A (en) * | 2018-09-26 | 2019-03-26 | 中山市恒乐电器有限公司 | A kind of non-diluted blowing plant for high-efficiency water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20220117 |