CN103982690B - Electric heater draining valve and electric heater - Google Patents
Electric heater draining valve and electric heater Download PDFInfo
- Publication number
- CN103982690B CN103982690B CN201410241304.7A CN201410241304A CN103982690B CN 103982690 B CN103982690 B CN 103982690B CN 201410241304 A CN201410241304 A CN 201410241304A CN 103982690 B CN103982690 B CN 103982690B
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- CN
- China
- Prior art keywords
- valve
- electric heater
- valve portion
- inner bag
- spool
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Housings (AREA)
- Details Of Valves (AREA)
Abstract
The open a kind of electric heater draining valve of the present invention, it is arranged on bottom inner container of electric water heater, including valve body, valve pocket, spool, bat-handle switch, valve body includes extending upwardly to the first valve portion within inner bag, accommodates the second valve portion of spool, first valve portion extend in inner bag through the pipe joint bottom inner bag, and the wall body of the first end, valve portion had tank；First valve portion outer wall is provided with locating flange, and at the sheathed clamp nut in the lower section of locating flange, the trim ring of clamp nut is pressed on locating flange, and its internal thread is suitable with the outside external screw thread of locating flange and suitable with the external screw thread of inner bag lower tube joint；Having perforate on the wall body in the second valve portion, the adjusting rod portion of spool stretches out from perforate and is removably flexibly connected with bat-handle switch；The external diameter of clamp nut is more than the distance of spool adjusting rod portion outer rim to valve pocket central axis.The present invention uses general utility tool can complete installation and disassembling section and the neat normalizing of valve body mounting structure of blowoff valve.
Description
Technical field
The present invention relates to electric heater technical field, more specifically, relate to draining valve and the electric heater of a kind of electric heater.
Background technology
In order to inner container of electric water heater with add heat pipe and protect, mostly be mounted with magnesium rod in the inner bag of existing storage-type electric water heater, according to anode loss protection principle, magnesium rod can replace inner bag generation oxidation reaction, thus protect inner bag and be not corroded.Normal product has its specified service life, and the life-span of magnesium rod is decided by its size and the corrosivity intensity of corrosive medium, and in the place that water quality is poor, water heater uses and within about 1 year, is accomplished by changing.
Magnesium rod is typically mounted on the inner bag sewage draining exit of electric heater, and is connected with blow-off pipe, blowoff valve by connector.Authorization Notice No. as disclosed in 20 days March in 2013 is the technical scheme disclosed in Chinese patent " drainage arrangement and electric heater " of CN202813789U, crosses water lining one end and connects magnesium rod, and the other end connects a ball valve.When changing when needing repairing, blowoff valve (such as ball valve) must be unloaded, water lining and magnesium rod was taken out again from the mudhole of inner bag, and the valve body profile of the blowoff valve that existing electric heater is used is huger, handle base on valve body outwardly makes the maximum radial dimension of blowoff valve profile often beyond the size in disassembling operations chamber reserved on casing of electric water heater sewage draining exit, for this, manufacturer needs the specific purpose tool special to the configuration of various places maintenance service point, makes troubles to after-sales service.
On the other hand, consider on the handle of blowoff valve, design a protective cover to protect each valve member installed bottom water heater, the generally finished product at electric heater to dispatch from the factory in packaging structure.Due to blowoff valve with cross water lining and be connected and there is no location structure installing, therefore, after valve body was tightened on water lining, the angle direction of its handle is random, and therefore, the size of protective cover is bigger, just adapts to the fixed angle that handle is different.
Summary of the invention
It is an object of the invention to provide a kind of installation using general utility tool can complete magnesium rod blowoff valve and disassembling section and the electric heater draining valve of the neat normalizing of valve body mounting structure, to overcome the deficiencies in the prior art.
The present invention also aims to provide a kind of electric heater applying above-mentioned draining valve.
The goal of the invention of the present invention is achieved in that a kind of electric heater draining valve, it is arranged on bottom inner container of electric water heater, including valve body, valve pocket, spool, bat-handle switch, described valve body includes extending upwardly to the first valve portion within inner bag, accommodates the second valve portion of described spool, described first valve portion extend in inner bag through the pipe joint bottom inner bag, and the wall body of the first end, valve portion had tank；Described first valve portion outer wall is provided with locating flange, at the sheathed clamp nut in the lower section of locating flange, the trim ring of clamp nut is pressed on locating flange, and the internal thread of described clamp nut is suitable with the outside external screw thread of locating flange and suitable with the external screw thread of inner bag lower tube joint；Having perforate on the wall body in described second valve portion, the adjusting rod portion of spool stretches out from perforate and is removably flexibly connected with bat-handle switch；The external diameter of described clamp nut is more than the distance of spool adjusting rod portion outer rim to valve pocket central axis.
Described first valve portion includes that upper wall portions, top sidewall, described tank of crossing are located on the top sidewall in the first valve portion, and described upper wall portions connects magnesium rod.
The end of described magnesium rod is provided with threaded post, and the upper wall portions of described valve body is provided with screw, and described magnesium rod is threadeded with the upper wall portions of valve body.
Described gasket seal is set between pipe joint and locating flange.
The outlet in described second valve portion connects mozzle.
Described first valve portion and the second valve portion are cylindric, and both external diameters are equal.
A kind of electric heater, including electric heater draining valve described above.
The invention has the beneficial effects as follows: the electric heater draining valve of the present invention is directly connected with magnesium rod, cancelled water lining, and can simplify production process and reduce purchase cost.
The electric heater draining valve good looking appearance of the present invention, delicate structure.When dismounting, only handle need to be unloaded, relend and help standard cartridges just can be disassembled from electric heater together with magnesium rod by valve body, without specific purpose tool, greatly facilitate the after-sales service of electric heater manufacturer, make magnesium rod change more convenient.
Owing to being cased with the clamp nut of activity on valve body; by clamp nut, draining valve is fixed on the pipe joint of inner bag, when mounted draining valve bat-handle switch position immobilize, good product consistency; the protective cover size of handle can be reduced when design, make product design more elegant in appearance.
Accompanying drawing explanation
Fig. 1 is that the electric heater draining valve assembly of the present invention splits schematic diagram.
Fig. 2 is the electric heater draining valve structure cut-away view with inner bag assembling of the present invention.
Fig. 3 is the structure cut-away view of the electric heater draining valve of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Electric heater described in the invention is storage-type electric water heater, the parts such as including inner bag, electric heating pipe component, water inlet pipe, outlet pipe, be provided with inlet tube and outlet tube bottom the inner bag of water heater crosses pore, it is additionally provided with sewage draining exit, see Fig. 2, it is welded with pipe joint on sewage draining exit, pipe joint is installed the electric heater draining valve of the present invention.See Fig. 1-3, the electric heater draining valve of the present invention, it is arranged on bottom inner container of electric water heater, including valve body 1, valve pocket, spool 4, bat-handle switch 6, valve body 1 includes extending upwardly to the first valve portion 11 within inner bag, accommodates the second valve portion 12 of spool, first valve portion 11 passes the pipe joint 9 of 10 bottom inner bag and extend in inner bag, and the wall body of the first end, valve portion had tank 14；First valve portion outer wall is provided with locating flange 13, at the sheathed clamp nut in the lower section of locating flange 5, the trim ring 51 of clamp nut is pressed on locating flange 13, and the internal thread of clamp nut 5 is suitable with the outside external screw thread of locating flange 13 and suitable with the external screw thread of inner bag lower tube joint 9.When water heater needs draining, opening draining valve, the water storage of inner bag is crossed in the valve pocket runner that tank enters draining valve by the first valve portion, leaves valve body through spool, opening from the second valve portion, water lining cancelled by drainage arrangement, can simplify production process and reduce purchase cost.By clamp nut, draining valve is fixed on the pipe joint of inner bag; the most first by draining valve bat-handle switch locality determine; screw clamp nut again; and it is fixing without whole valve body is rotated; the handle position uniformity making water heater draining valve is guaranteed; the protective cover size of handle can be reduced when design, make product design more elegant in appearance.
Having perforate on the wall body in the second valve portion, the adjusting rod portion 41 of spool 4 stretches out from perforate and is removably flexibly connected with bat-handle switch 6；The external diameter L1 of clamp nut 5 is more than distance L2 of spool adjusting rod portion outer rim to valve pocket central axis.Therefore, when installing and changeing, bat-handle switch is unloaded, ordinary cartridge is used to enter in the cavity volume of empty avoiding from outer cover of water heater end stretch, owing to L1 is more than L2, use the sleeve matched with clamp nut just can be disassembled from electric heater by valve body quickly and easily, without specific purpose tool, greatly facilitate assembling and the after-sales service of electric heater manufacturer.
As shown in Figure 2, cross tank 14 to be positioned on the horizontal line bottom inner bag, during use, opening the bat-handle switch of draining valve, the water storage in inner bag just can enter in valve pocket by crossing tank, thus realize the remaining water of draining valve emptying and dirt eliminating function, closing draining valve i.e. storing water, periodical blowdown empties, and can prevent water heater water storage dirt collection in inner bag, corrosion inner member, the problem of polluted-water.
Based on above-described embodiment, the first valve portion includes upper wall portions 15, top sidewall, crosses tank 14 and is located on the top sidewall in the first valve portion, the surface area of sidewall is more than upper wall portions area, therefore, is arranged on sidepiece by crossing tank, can suitably increase the sectional area of tank, increase circulation.And, connect magnesium rod in upper wall portions.
Further, being connected and the fixing connected mode such as non-solder by screw thread movable connection method with valve body by magnesium rod, assembling can be made more convenient, production technology is simpler easily.Specifically, the end at magnesium rod sets threaded post 21, and the upper wall portions 15 at valve body is provided with screw 16, and magnesium rod can be made to threaded with the upper wall portions of valve body.Further, the first valve portion 11 and the second valve portion 12 are overall shaped into the cylinder that an external diameter is equal, make valve body tailored appearance and are prone to processing.
Based on above-described embodiment, gasket seal 3 is set between pipe joint and locating flange, thus ensure that pipe joint is connected with valve seal.
Outlet in the second valve portion connects mozzle 8, both can be firm by clamping ring, it is also possible to the openend outside wall portions in the second valve portion is provided for the depression that both convenience are located by connecting, and forms draw-in groove, when being necessary, the connection end at mozzle arranges corresponding buckle.The mode that the connection in mozzle 8 and the second valve portion also can use the sleeve pipe in known field to connect is attached, numerous to list herein.
The present invention also provides for a kind of electric heater, is provided with one for the pipe joint of draining blowdown, is provided with electric heater draining valve on pipe joint bottom the inner bag being somebody's turn to do, and the concrete structure of this draining valve is with reference to above-described embodiment, not repeated description at this.
Above-mentioned specific embodiment is only the preferable detailed description of the invention of effect of the present invention, is not intended that limitation of the present invention, all without creative work, the design of the present invention is made simple conversion person, belongs in the protection domain of the application.
Claims (7)
1. an electric heater draining valve, it is arranged on bottom inner container of electric water heater, including valve body, valve pocket, spool, bat-handle switch, it is characterized in that: described valve body includes extending upwardly to the first valve portion within inner bag, accommodates the second valve portion of described spool, described first valve portion extend in inner bag through the pipe joint bottom inner bag, and the wall body of the first end, valve portion had tank；
Described first valve portion outer wall is provided with locating flange, at the sheathed clamp nut in the lower section of locating flange, the trim ring of clamp nut is pressed on locating flange, and the internal thread of described clamp nut is suitable with the outside external screw thread of locating flange and suitable with the external screw thread of inner bag lower tube joint；
Having perforate on the wall body in described second valve portion, the adjusting rod portion of spool stretches out from perforate and is removably flexibly connected with bat-handle switch；
The external diameter of described clamp nut is more than the distance of spool adjusting rod portion outer rim to valve pocket central axis.
Electric heater draining valve the most according to claim 1, it is characterised in that: described first valve portion includes that upper wall portions, top sidewall, described tank of crossing are located on the top sidewall in the first valve portion, and described upper wall portions connects magnesium rod.
Electric heater draining valve the most according to claim 2, it is characterised in that: the end of described magnesium rod is provided with threaded post, and the upper wall portions of described valve body is provided with screw, and described magnesium rod is threadeded with the upper wall portions of valve body.
Electric heater draining valve the most according to claim 1, it is characterised in that: described gasket seal is set between pipe joint and locating flange.
Electric heater draining valve the most according to claim 1, it is characterised in that: the outlet in described second valve portion connects mozzle.
Electric heater draining valve the most according to claim 1, it is characterised in that: described first valve portion and the second valve portion are cylindric, and both external diameters are equal.
7. an electric heater, it is characterised in that: include the electric heater draining valve as described in claim 1-6 is arbitrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241304.7A CN103982690B (en) | 2014-06-03 | 2014-06-03 | Electric heater draining valve and electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241304.7A CN103982690B (en) | 2014-06-03 | 2014-06-03 | Electric heater draining valve and electric heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982690A CN103982690A (en) | 2014-08-13 |
| CN103982690B true CN103982690B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241304.7A Active CN103982690B (en) | 2014-06-03 | 2014-06-03 | Electric heater draining valve and electric heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN103982690B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156711A (en) * | 2015-10-14 | 2015-12-16 | 广东威博电器有限公司 | Control valve used for water heater |
| CN110625555B (en) * | 2019-09-23 | 2023-08-22 | 中国石油化工股份有限公司 | Tool special for blowdown operation of blowdown nozzle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254017B1 (en) * | 2000-05-19 | 2001-07-03 | Wen-Li Kuo | Structure water sprayer long tube and water pipe connector |
| CN202204167U (en) * | 2011-08-04 | 2012-04-25 | 美的集团有限公司 | Drainage structure of electric water heater |
| CN202813789U (en) * | 2012-07-19 | 2013-03-20 | 芜湖美的厨卫电器制造有限公司 | Drainage device and electric water heater |
| CN202813732U (en) * | 2012-09-04 | 2013-03-20 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN103486723A (en) * | 2013-09-24 | 2014-01-01 | 芜湖美的厨卫电器制造有限公司 | Electric water heater with water purifying function and water purifying method |
| CN203906948U (en) * | 2014-06-03 | 2014-10-29 | 广东威博电器有限公司 | Drainage valve of electric water heater and electric water heater |
-
2014
- 2014-06-03 CN CN201410241304.7A patent/CN103982690B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254017B1 (en) * | 2000-05-19 | 2001-07-03 | Wen-Li Kuo | Structure water sprayer long tube and water pipe connector |
| CN202204167U (en) * | 2011-08-04 | 2012-04-25 | 美的集团有限公司 | Drainage structure of electric water heater |
| CN202813789U (en) * | 2012-07-19 | 2013-03-20 | 芜湖美的厨卫电器制造有限公司 | Drainage device and electric water heater |
| CN202813732U (en) * | 2012-09-04 | 2013-03-20 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN103486723A (en) * | 2013-09-24 | 2014-01-01 | 芜湖美的厨卫电器制造有限公司 | Electric water heater with water purifying function and water purifying method |
| CN203906948U (en) * | 2014-06-03 | 2014-10-29 | 广东威博电器有限公司 | Drainage valve of electric water heater and electric water heater |
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| Publication number | Publication date |
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| CN103982690A (en) | 2014-08-13 |
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Effective date of registration: 20210827 Address after: 528303 one of the first floor of building B, No. 15, Jianye Middle Road, Shunde high tech Zone (Ronggui), huakou community, Ronggui street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong xinweibo Electric Appliance Co.,Ltd. Address before: 528308 No. D01, Jianye Road, science and Technology Industrial Park, Ronggui Shunde high tech Industrial Development Zone, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG WEBER ELECTRIC APPLIANCES Co.,Ltd. |
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| TR01 | Transfer of patent right |