CN105156711A - Control valve used for water heater - Google Patents
Control valve used for water heater Download PDFInfo
- Publication number
- CN105156711A CN105156711A CN201510660324.2A CN201510660324A CN105156711A CN 105156711 A CN105156711 A CN 105156711A CN 201510660324 A CN201510660324 A CN 201510660324A CN 105156711 A CN105156711 A CN 105156711A
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- CN
- China
- Prior art keywords
- water heater
- control valve
- spool
- rotating shaft
- valve
- 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.)
- Pending
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Classifications
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a control valve used for a water heater. The control valve is installed on a water valve, the water valve comprises a valve body, a valve cavity and a valve element, and the valve element is arranged inside the valve cavity. A tubular flange extends outwards on the side wall of the valve body to form an adjusting cavity, a rotating shaft is arranged inside the adjusting cavity, one end of the rotating shaft is connected with the valve element, and the other end of the rotating shaft is connected with a handle. A limiting poking rod is arranged on the handle, limiting blocks are arranged on the outer side wall of the tubular flange, and the limiting poking rod extends into the travel region between the two limiting blocks. The control valve used for the water heater is simple and reasonable, and the opening and closing limiting structure of the valve is scientific in design and high in practicability. The end of the poking rod on the handle of the water valve is curled inwards to form a sleeve into which an assistance tool can be inserted, and using is quite convenient.
Description
Technical field
The present invention relates to a kind of electric water heater technical field, particularly relate to one and be applied to water heater control valve.
Background technique
Storage-type electric water heater in use inevitably forms incrustation scale, and after long-time use, dirt will be deposited on the bottom of inner bag.Therefore, the inner bag of existing storage-type electric water heater, except entery and delivery port, is generally also provided with sewage draining exit, and on sewage draining exit, installs blowdown valve regularly carry out blowdown process to water heater liner voluntarily for user.And the structure of existing water heater blowdown valve is quite complicated, corresponding component are more, and installation and removal need by professional tool, usually need to rely on professional workforce and to visit process, thus make troubles to user.
On the other hand, in the inner bag of existing storage-type electric water heater, magnesium rod is installed more, its object is to protection inner bag and electric heating tube.Owing to containing impurity and various metallics inside the tap water that water heater uses, can there is oxidation reaction corrosion inner bag in Long-Time Service, and inner bag is the heart of electric water heater, once inner bag is corroded or destroys and will leak, is difficult to repair.Be corroded for avoiding inner bag; the inner bag of water heater and heating pipe are protected; so place magnesium rod to realize cathodic protection in water heater; the metal active of magnesium rod is higher than iron; can react by the ion preferentially and in water, be namely supplement a large amount of electronics to inner bag metal, the state making protected metal body be in electron excess allows metal surface reach same negative potential; metallic atom is not easy to lose electronics and becomes ion and incorporate solution, thus protection inner bag and heating pipe.At present, storage-type electric water heater magnesium rod mounting type has two kinds: one to be mounted on heating pipe flange plate, and one is mounted on sewage draining exit.When being arranged on heating pipe flange plate, difficulty changed by magnesium rod, and close to heating pipe, easily forms build-up of limescale, affects the heating pipe life-span.When being arranged on sewage draining exit, its fitting seat easily causes the phenomenons such as blowdown water outlet has some setbacks, the long-pending reduction of sewer flow section, need improve further.
Summary of the invention
The object of the invention is to overcome the deficiency that above-mentioned prior art exists, provide a kind of without the need to special tool installation and removal, scientific and reasonable for structure, be convenient for changing magnesium rod and blowdown water outlet water heater control valve smoothly.
The technical solution adopted for the present invention to solve the technical problems is: a kind of water heater control valve, comprises valve body, spool, and described valve body comprises connector portions, valve pocket, the outlet part of sequential communication, and described connector portions connects the sewage draining exit of water heater liner; Described connector portions also connects magnesium rod fixed base, and described magnesium rod fixed base comprises land, the horizontal end face of described land is extended with door frame to inner bag, the back timber of described door frame is established the installation sleeve for fixing magnesium rod; On the sidewall of described valve body, protruding cylindrical flange is formed and regulates chamber, regulates in chamber and arranges rotating shaft, and one end of described rotating shaft connects spool, and the other end of rotating shaft connects handle; The end of described outlet part is the outer-hexagonal nut arranged with valve body.
The upper and lower side of described spool is provided with valve cushion block, and the inner chamber internal thread of described outlet part connects spool positioning block, arranges O RunddichtringO between described spool positioning block and the inner chamber of outlet part.
The seal ring portion of the cylindrical shape that described spool positioning block comprises hexagonal socket nut, extend in valve pocket along hexagonal socket nut sidewall, described O RunddichtringO is arranged in seal ring portion.
Described handle arranges spacing dead man, and the outer side wall of described cylindrical flange arranges limiting stopper, and described spacing dead man extends in the lift area between two limiting stoppers.
One end of described handle inwardly curls into inserted link sleeve.
One end of described rotating shaft is provided with inserting column, and described spool is hollow spheres, and there is opening at the two ends of spool, and the sphere ring wall of spool arranges axis hole, and described inserting column inserts in axis hole; The other end of described rotating shaft is provided with screw-threaded counterbore, and described handle is fixed in the screw-threaded counterbore of rotating shaft by screw.
Described land is connected with the thread in inner cavity in valve body connector portion.
Described connector portions inner chamber comprises the first thread cavity, the second thread cavity, the internal diameter of described first thread cavity is greater than the internal diameter of the second thread cavity, described first thread cavity is for connecting the drain pipe in inner bag sewage draining exit, and described second thread cavity is for connecting the land of magnesium rod fixed base; Described connector portions inner chamber also arranges rubber gasket.
Compared with prior art, the invention has the beneficial effects as follows:
1) outlet part of water heater control valve of the present invention is outer-hexagonal nut, the handle of valve body is positioned at above outer-hexagonal nut, therefore, handle need not be unloaded when installation, the dismounting of valve body, the position of direct use general utility tool hexagon nut outside operates, and maintain and replace is very convenient.
2) water heater magnesium rod mounting structure is directly connected with blowdown valve, and blowdown valve screw thread is arranged on inner bag sewage draining exit, can simplify production process and reduce purchase cost.The door frame that magnesium rod fixed base simplicity of design is generous, realizes the effluent stream flux not affecting sewage draining exit while magnesium rod is installed, scientific and reasonable for structure.
3) the handle advantages of simple of control valve, the stroke limit scientific structure design of valve, practical.Handle inwardly curls into the inserted link sleeve that can insert tool for helping, uses very convenient.
4) control valve is by connecting the installation location that spool positioning block realizes spool in the thread in inner cavity of valve body outlet part, and improves the sealability of valve body with O RunddichtringO.Spool positioning block comprises hexagonal socket nut, therefore, only needs general utility tool just can realize the installation and removal of spool positioning block, limit structure advantages of simple, easy to operate, practical.
5) the valve body surface sandblasting of control valve, color and luster is consistent, and do not have burr, crackle, scuffing, pin hole and obvious torsional deformation, thread is complete, and appearance quality is good.The pressure test of water valve: under 1.6MPa hydraulic condition, pressurize 15 minutes ne-leakages.After water valve opens closed 5000 times, under 1.6MPa hydraulic condition, pressurize 15S ne-leakage.After inner bag pulse test 160000 times pressed by water valve, ne-leakage.After the test of water valve high/low temperature, survey withstand voltage 1.6MPa hydraulic pressure 15 minutes equal ne-leakages.
Accompanying drawing explanation
Fig. 1 is the structural representation of water heater control valve of the present invention.
Fig. 2 is the exploded perspective view of water heater control valve of the present invention.
Fig. 3 is the structure cut-away view of water heater control valve of the present invention.
Fig. 4 is the A portion enlarged view of Fig. 3.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " front and back ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should make broad understanding, such as, can be fixedly connected with.Also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term can be understood at concrete meaning of the present invention.
Electric water heater described in the invention is storage-type electric water heater, comprise the parts such as inner bag, electric heating pipe component, intake pipe, outlet pipe, what be provided with inlet tube and outlet tube bottom the inner bag of water heater crosses pore, is also provided with sewage draining exit, sewage draining exit is installed water heater control valve 10.See Fig. 1-4, a kind of water heater control valve of the present invention, comprises valve body 3, spool 5, and valve body comprises connector portions 31, valve pocket 32, the outlet part 33 of sequential communication, and connector portions connects the sewage draining exit of water heater liner; Connector portions also connects magnesium rod fixed base 1, and magnesium rod fixed base comprises land 11, the horizontal end face of land is extended with door frame 12 to inner bag, the back timber of door frame is established the installation sleeve 13 for fixing magnesium rod; Installation sleeve 13 is with internal thread, and the threaded ends of magnesium rod is arranged in installation sleeve 13, when needing to change, is screwed out by the threaded ends of magnesium rod.On the sidewall of valve body, protruding cylindrical flange 25 is formed and regulates chamber 35, regulates in chamber and arranges rotating shaft 8, and one end of rotating shaft connects spool 5, and the other end of rotating shaft connects handle 20; The end of outlet part 33 is the outer-hexagonal nuts 39 arranged with valve body.
The upper and lower side of spool 5 is provided with valve cushion block 4, and the inner chamber internal thread of outlet part connects spool positioning block 7, arranges O RunddichtringO 6 between spool positioning block and the inner chamber of outlet part.
Seal ring portion 72, the O RunddichtringO 6 of the cylindrical shape that spool positioning block comprises hexagonal socket nut 71, extend in valve pocket along hexagonal socket nut sidewall is arranged in seal ring portion 72.
Handle 20 is arranged spacing dead man 21, the outer side wall of cylindrical flange arranges two sub-limiting stoppers 24, and spacing dead man 21 extends in the lift area between two limiting stoppers.One end of handle inwardly curls into inserted link sleeve 22.One end of rotating shaft 8 is provided with inserting column 81, and spool 5 is hollow spheres, and there is opening at the two ends of spool, and the sphere ring wall of spool arranges axis hole 51, and inserting column inserts in axis hole; The other end of rotating shaft is provided with screw-threaded counterbore, and handle 20 is arranged in the screw-threaded counterbore of rotating shaft by screw 23.Therefore, make rotating shaft 8 when regulating chamber 35 to rotate when stirring handle 20, spool 5 is with rotating shaft synchronous axial system, thus the process realized from closed condition to open mode is changed.Limiting stopper 24 then can limit the angle of swing of spool, avoids rotating excessively.Usually, limiting stopper 24 can make the maximum angle of swing of spool be 90 degree, thus enables valve opening realize the process of standard-sized sheet to complete shut-down.The valve cushion block 4 arranged in the both sides up and down of valve pocket 34 inner spool 5, contributes to the smooth and easy rotation of spool and location and installation.Can insert as crosspoint tip screwdriver etc. has the tool for helping of stock at inserted link sleeve 22, make the arm of force of hand-lifting plate 20 be extended, thus stir more laborsaving for hand-lifting plate 20, and, the rotational resistance of rotating shaft can be strengthened in design, to prevent misoperation.
Land 11 is with outside thread, and land is connected with the thread in inner cavity of connector portions; The height of door frame 12 is greater than the axial length of valve body 3.
The internal diameter that connector portions inner chamber comprises the first thread cavity 36, second thread cavity 37, first thread cavity is greater than the internal diameter of the second thread cavity, and the first thread cavity is for connecting the drain pipe in inner bag sewage draining exit, and the second thread cavity is for connecting the land of magnesium rod fixed base; Connector portions inner chamber also arranges rubber gasket 2.
Although illustrate and describe embodiments of the invention; those of ordinary skill in the art is to be understood that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim; scope of the present invention limited by claim and equivalent replacement thereof; in the improvement etc. done without creative work, all should be included within protection scope of the present invention.
Claims (8)
1. a water heater control valve, comprises valve body, and spool is characterized in that: described valve body comprises connector portions, valve pocket, the outlet part of sequential communication, and described connector portions connects the sewage draining exit of water heater liner; Described connector portions also connects magnesium rod fixed base, and described magnesium rod fixed base comprises land, the horizontal end face of described land is extended with door frame to inner bag, the back timber of described door frame is established the installation sleeve for fixing magnesium rod; On the sidewall of described valve body, protruding cylindrical flange is formed and regulates chamber, regulates in chamber and arranges rotating shaft, and one end of described rotating shaft connects spool, and the other end of rotating shaft connects handle; The end of described outlet part is the outer-hexagonal nut arranged with valve body.
2. water heater control valve according to claim 1, it is characterized in that: the upper and lower side of described spool is provided with valve cushion block, the inner chamber internal thread of described outlet part connects spool positioning block, arranges O RunddichtringO between described spool positioning block and the inner chamber of outlet part.
3. water heater control valve according to claim 2, is characterized in that: described spool positioning block comprises hexagonal socket nut, the seal ring portion of cylindrical shape that extends in valve pocket along hexagonal socket nut sidewall, and described O RunddichtringO is arranged in seal ring portion.
4. water heater control valve according to claim 1, it is characterized in that: described handle arranges spacing dead man, the outer side wall of described cylindrical flange arranges limiting stopper, and described spacing dead man extends in the lift area between two limiting stoppers.
5. water heater control valve according to claim 1, is characterized in that: one end of described handle inwardly curls into inserted link sleeve.
6. water heater control valve according to claim 1, it is characterized in that: one end of described rotating shaft is provided with inserting column, described spool is hollow spheres, and there is opening at the two ends of spool, and the sphere ring wall of spool arranges axis hole, and described inserting column inserts in axis hole; The other end of described rotating shaft is provided with screw-threaded counterbore, and described handle is fixed in the screw-threaded counterbore of rotating shaft by screw.
7. water heater control valve according to claim 1, is characterized in that: described land is connected with the thread in inner cavity in valve body connector portion.
8. water heater control valve according to claim 1, it is characterized in that: described connector portions inner chamber comprises the first thread cavity, the second thread cavity, the internal diameter of described first thread cavity is greater than the internal diameter of the second thread cavity, described first thread cavity is for connecting the drain pipe in inner bag sewage draining exit, and described second thread cavity is for connecting the land of magnesium rod fixed base; Described connector portions inner chamber also arranges rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660324.2A CN105156711A (en) | 2015-10-14 | 2015-10-14 | Control valve used for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660324.2A CN105156711A (en) | 2015-10-14 | 2015-10-14 | Control valve used for water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105156711A true CN105156711A (en) | 2015-12-16 |
Family
ID=54797682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510660324.2A Pending CN105156711A (en) | 2015-10-14 | 2015-10-14 | Control valve used for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105156711A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB968970A (en) * | 1962-03-26 | 1964-09-09 | Smith Corp A O | Water heater |
| CN202451880U (en) * | 2011-12-28 | 2012-09-26 | 章斌 | Filtration valve |
| CN103982690A (en) * | 2014-06-03 | 2014-08-13 | 广东威博电器有限公司 | Electric water heater drain valve and electric water heater |
| CN203948685U (en) * | 2014-07-15 | 2014-11-19 | 芜湖美的厨卫电器制造有限公司 | Water heater and blowdown valve thereof |
| CN204042051U (en) * | 2014-07-22 | 2014-12-24 | 尹晓鹏 | A kind of drain valve of built-in magnesium bar fixing device and electric water heater |
| CN204313492U (en) * | 2014-12-02 | 2015-05-06 | 芜湖美的厨卫电器制造有限公司 | The blowoff valve of water heater and there is its water heater |
| CN204664471U (en) * | 2015-04-16 | 2015-09-23 | 广东威博新能源供暖供水设备有限公司 | Water heater blowdown valve structure |
| CN205001556U (en) * | 2015-10-14 | 2016-01-27 | 广东威博电器有限公司 | Control valve for water heater |
-
2015
- 2015-10-14 CN CN201510660324.2A patent/CN105156711A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB968970A (en) * | 1962-03-26 | 1964-09-09 | Smith Corp A O | Water heater |
| CN202451880U (en) * | 2011-12-28 | 2012-09-26 | 章斌 | Filtration valve |
| CN103982690A (en) * | 2014-06-03 | 2014-08-13 | 广东威博电器有限公司 | Electric water heater drain valve and electric water heater |
| CN203948685U (en) * | 2014-07-15 | 2014-11-19 | 芜湖美的厨卫电器制造有限公司 | Water heater and blowdown valve thereof |
| CN204042051U (en) * | 2014-07-22 | 2014-12-24 | 尹晓鹏 | A kind of drain valve of built-in magnesium bar fixing device and electric water heater |
| CN204313492U (en) * | 2014-12-02 | 2015-05-06 | 芜湖美的厨卫电器制造有限公司 | The blowoff valve of water heater and there is its water heater |
| CN204664471U (en) * | 2015-04-16 | 2015-09-23 | 广东威博新能源供暖供水设备有限公司 | Water heater blowdown valve structure |
| CN205001556U (en) * | 2015-10-14 | 2016-01-27 | 广东威博电器有限公司 | Control valve for water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |