CN203671924U - Forced drainage and air draft assembly of gas heater - Google Patents
Forced drainage and air draft assembly of gas heater Download PDFInfo
- Publication number
- CN203671924U CN203671924U CN201420029486.7U CN201420029486U CN203671924U CN 203671924 U CN203671924 U CN 203671924U CN 201420029486 U CN201420029486 U CN 201420029486U CN 203671924 U CN203671924 U CN 203671924U
- Authority
- CN
- China
- Prior art keywords
- collecting hood
- fume collecting
- spiral case
- exhaust fume
- volute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003517 fume Substances 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000004512 die casting Methods 0.000 abstract 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010010219 Compulsions Diseases 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A forced drainage and air draft assembly 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 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 a protrusion; 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 groove; the protrusion is in fit with the groove in shape and size; the front flange plate and the rear flange plate are attached and connected; the protrusion is embedded into the groove to achieve air-tight seal; a front connection base arranged on the front flange plate and a rear connection base arranged on the rear flange plate are fixedly connected together through bolts. The exhaust fume collecting hood and the front volute shell are integrally formed in the die-casting mode, so that 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 are enhanced.
Description
Technical field
The utility model relates to the ventilation parts technical field of liquid heater, relates in particular to the fume extractor of gas heater.
Background technology
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 leak or fuel gas buring in gas heater often, and state compulsion requires manufacturer to configure Forced discharge fan at gas heater.Therefore, Forced discharge fan becomes important composition parts of gas heater, and the fastness of its assembling and sealing directly affect the performance of water heater.
The forced-ventilated exhausting portion dress of existing gas heater is made up of exhaust fume collecting hood, spiral case, motor, wind wheel, and exhaust fume collecting hood, spiral case connected mode 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, connector 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 service life of water heater; The gap of exhaust fume collecting hood and the spiral case connecting portion situation that gas leaks of can being fuming, has potential safety hazard in addition.
Summary of the invention
The purpose of this utility model is: a kind of forced-ventilated exhausting portion dress of gas heater is provided, and it has the good airproof performance of exhaust gases passes, long service life, security reliability.
The utility model is achieved in that a kind of forced-ventilated exhausting portion dress of gas heater, 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, spiral case surface arranges motor leg, motor is fixedly connected with on motor leg, its special character is: described front volute body and exhaust fume collecting hood adopt that extrusion process is one-body molded to be made, on the edge of front volute body, be provided with forward flange dish, in the card of described forward flange dish, be provided with projection,
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, and in the card of described rear stub, are provided with groove, and groove and convex form, size adapt;
Described forward flange dish and rear stub are fitted and connected, and projection embeds in groove and hermetic seal, and the front Connection Block being arranged on forward flange dish is fixed together with the rear Connection Block bolt being arranged in rear stub.
The forced-ventilated exhausting portion dress of described a kind of gas heater, its special character 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 is provided with square button limit, described bending button limit by the plate body of exhaust fume collecting hood through outwards, be bent into downwards; The horizontal sides laminating on described flange and square button limit, perpendicular edge circumferential and square button limit is fitted; Flange and horizontal sides are fixed together.
The forced-ventilated exhausting portion dress of described a kind of gas heater, its special character is: also comprise a spiral case supporting seat, described spiral case supporting seat is arranged on the bottom of left volute body, extrusion process is one-body molded makes for supporting seat and exhaust fume collecting hood, the employing of left volute body.
The forced-ventilated exhausting portion harness of a kind of gas heater that compared with prior art, the utility model provides has following beneficial effect:
One, exhaust fume collecting hood and left volute body adopt that extrusion process is one-body molded to be made, and there is no connector, 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, left volute body and right volute body adopt the spiral case that flange connection forms, and the embedded structure of projection and groove is set on ring flange, 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 durability of its structure, the work of better support motor.
Four, supporting seat is set at the bottom of spiral case and effectively reduces machine operation vibration, reduce the noise of motor and strengthen durability according to circumstances.
Brief description of the drawings
Fig. 1 is front 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 right spiral case stereogram of the present utility model;
Fig. 5 is integral type exhaust fume collecting hood of the present utility model and left spiral case stereogram;
Fig. 6 is the right volute body of the utility model and left volute body flange connection schematic diagram;
Fig. 7 is water tank stereogram of the present utility model;
Fig. 8 is the syndeton 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, left flange plate, 8, right ring flange, 9, spiral case supporting seat, 11, bending button limit, 21, left volute body, 22, right volute body, 61, water tank flange, 71, projection, 72, left Connection Block 72,81, groove, 82, right Connection Block.
Detailed description of the invention
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 forced-ventilated exhausting portion dress of gas 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 right volute body 21 and left 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, spiral case 2 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 Figure 4, described left volute body 21 adopts with exhaust fume collecting hood 1 that extrusion process is one-body molded to be made, and left flange plate 7 is set on the edge of left volute body 21, and projection 71 is set in the card of described lower flange 7, the cross section of described projection 71 is trapezoidal, and the length on base is greater than the length of top;
As shown in Figure 5, described right volute body 22 adopts with motor leg 4 that extrusion process is one-body molded to be made, and right ring flange 8 is set on the edge of right volute body 22, and upper groove 81 is set in the card of described right ring flange 8, and groove 81 matches with protruding 71 shapes, size; ;
As shown in Figure 6, described left flange plate 7 is fitted with right ring flange 8, and projection 71 embeds in groove 81 and hermetic seal, is arranged on the left Connection Block 72 on left flange plate 7 and the right Connection Block 82 use bolts that are arranged on right ring flange 8 and is fixed together;
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 1 bottom arranges square button limit 11, described square 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 sides on square button limit 11, the perpendicular edge laminating on the circumferential surface of flange 61 and square button limit 11.
Also comprise a spiral case supporting seat 9, described spiral case supporting seat 9 be arranged on front volute body 21 bottom and and the top board of exhaust fume collecting hood 11 between; Described spiral case supporting seat 9, exhaust fume collecting hood 11 and front volute body 21 adopt that extrusion process is one-body molded to be made.Spiral case supporting seat 9 effectively reduces the vibration that motor 3 work produce, and has increased the stability of blower fan.
Above-described is only preferential embodiment 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 forced-ventilated exhausting portion of gas heater 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, spiral case surface arranges motor leg, motor is fixedly connected with on motor leg, 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, on the edge of front volute body, be provided with forward flange dish, in the card of described forward flange dish, be provided with projection;
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, and in the card of described rear stub, are provided with groove, and groove and convex form, size adapt;
Described forward flange dish and rear stub are fitted and connected, and projection embeds in groove and hermetic seal, and the front Connection Block being arranged on forward flange dish is fixed together with the rear Connection Block bolt being arranged in rear stub.
2. a kind of forced-ventilated exhausting portion of gas heater fills according to claim 1, it 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 is provided with square button limit, described bending button limit by the plate body of exhaust fume collecting hood through outwards, be bent into downwards; The horizontal sides laminating on described flange and square button limit, perpendicular edge circumferential and square button limit is fitted; Flange and horizontal sides are fixed together.
3. a kind of forced-ventilated exhausting portion of gas heater fills according to claim 1, it is characterized in that: also comprise a spiral case supporting seat, described spiral case supporting seat is arranged on the bottom of left volute body, and supporting seat and exhaust fume collecting hood, left volute body adopt that extrusion process is one-body molded to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029486.7U CN203671924U (en) | 2014-01-17 | 2014-01-17 | Forced drainage and air draft assembly of gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029486.7U CN203671924U (en) | 2014-01-17 | 2014-01-17 | Forced drainage and air draft assembly of gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203671924U true CN203671924U (en) | 2014-06-25 |
Family
ID=50968213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420029486.7U Expired - Lifetime CN203671924U (en) | 2014-01-17 | 2014-01-17 | Forced drainage and air draft assembly of gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203671924U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843607A (en) * | 2018-08-22 | 2018-11-20 | 江苏冠愉电机科技有限公司 | A kind of blower convenient for disassembly and assembly |
| CN109442727A (en) * | 2018-12-15 | 2019-03-08 | 成都前锋电子有限责任公司 | A kind of upper odd test gas instantaneous water heater fan installing structure |
-
2014
- 2014-01-17 CN CN201420029486.7U patent/CN203671924U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843607A (en) * | 2018-08-22 | 2018-11-20 | 江苏冠愉电机科技有限公司 | A kind of blower convenient for disassembly and assembly |
| CN109442727A (en) * | 2018-12-15 | 2019-03-08 | 成都前锋电子有限责任公司 | A kind of upper odd test gas instantaneous water heater fan installing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |