CN108930803A - Water proportional valve and gas water heater - Google Patents
Water proportional valve and gas water heater Download PDFInfo
- Publication number
- CN108930803A CN108930803A CN201710369595.1A CN201710369595A CN108930803A CN 108930803 A CN108930803 A CN 108930803A CN 201710369595 A CN201710369595 A CN 201710369595A CN 108930803 A CN108930803 A CN 108930803A
- Authority
- CN
- China
- Prior art keywords
- water
- valve
- spool
- valve body
- gap
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000007789 sealing Methods 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention belongs to the technical field of water proportional valves, and discloses a water proportional valve which comprises a valve body, a valve core sheath and a valve core, wherein a disk body is arranged at the end part of the valve core, and the end surface of the disk body extends towards one end far away from a water outlet of the valve body, so that a gap B between the disk body and the end part of the valve core sheath is not larger than a gap A between the valve core sheath and the valve body. The invention also discloses a gas water heater with the water proportional valve. According to the water proportional valve, the end face of the disc body at the end part of the valve core extends towards one end far away from the water outlet of the valve body, so that the gap B between the disc body and the end part of the valve core sheath is not larger than the gap A between the valve core sheath and the valve body, and further, when water flows into the valve body, the cross section change of the water in the valve body is small and approximately consistent, so that the water pressure change is small or even unchanged, the vibration of the position where the water is in contact with the valve core is reduced or even avoided, and the noise generated by the vibration is reduced.
Description
Technical field
The present invention relates to water proportioning valve technical field more particularly to a kind of water proportioning valves and gas heater.
Background technique
Existing water proportioning valve is as shown in Figure 1 and Figure 2 comprising there are two types of structure, the structures of two kinds of water proportioning valves
Mainly it is made of valve body 100, stepper motor 101, spool 102 and the big component of sealing element 103 4.Wherein valve body 100 is in addition to itself
Proportion adjustment flow component outside, also incidentally a water flow sensor component and temperature sensor assembly, in valve body 100 and valve
Spool sheath 104 is provided between core 102.Water proportioning valve is generally seated in the water inlet end of gas heater, in gas heater
When water flow needs to adjust, the control panel of gas heater can be to the adjustment signal of stepper motor on water outlet proportioning valve, stepping electricity
Machine rotation drives the spool on water proportioning valve mobile, adjusts the aperture of water proportioning valve water inlet, and then carrys out the big of regulating water flow
It is small.
When spool 102 is in running order, the disk body 1021 of existing 102 end of spool can be to the water outlet of valve body 100
It is mobile, at this time as shown in Figure 1, the gap B in figure between disk body 1021 and spool sheath 104 is much larger than spool sheath 104 and valve
Gap A between body 100 can generate certain extruding force and impact when water flows into valve body 100 inside airtight cavity
Power.Since gap B is much larger than gap A, cross section of the water in valve body 100 will appear change dramatically, and (water is transversal by gap A's
Face is much smaller than the cross section by gap B), it will cause the change dramatically of water pressure at this time, pressure change will cause water and valve
The place that core 102 contacts generates vibration, and then generates noise.And this vibration is with the increasing of water entry pressure and pattern maker's shrinkage
Add, frequency will increase, final to generate more sharp noise.
Summary of the invention
The purpose of the present invention is to provide a kind of water proportioning valves, to solve existing water proportioning valve because water is intracorporal transversal in valve
Face will appear change dramatically and lead to the problem of noise.
Another object of the present invention is to provide a kind of gas heaters, including above-mentioned water proportioning valve, are made an uproar with reaching reduction
The purpose of sound.
For this purpose, the present invention uses following technical scheme：
A kind of water proportioning valve, including valve body, spool sheath and spool, the spool end are equipped with disk body, the disk body
It holds one end away from the water outlet of valve body to extend, makes the gap B between the disk body and spool sheath ends no more than valve
Gap A between core sheath and valve body.
Preferably, the disk body is cylindrical-shaped structure, the difference in diameter of diameter and the spool sheath is-
Between 0.3mm -0.3mm.
Preferably, when the water ratio valve opening maximum, the gap B between the disk body and spool sheath ends is
Zero.
Preferably, the disk body seals the water outlet of the valve body when water ratio valve opening minimum.
Preferably, sealing is arranged close to one end of the water outlet of the valve body in the disk body, the sealing is used for
Seal the water outlet of the valve body.
Preferably, being equipped with sealing ring between the spool and spool sheath, the sealing ring is set on spool.
Preferably, one end of water outlet of the spool far from valve body is connected with stepper motor.
The present invention also provides a kind of gas heaters, including above-mentioned water proportioning valve.
Water proportioning valve of the invention is extended through one end by the disk body end of spool end away from the water outlet of valve body,
So that the gap B between disk body and spool sheath ends is not more than the gap A between spool sheath and valve body, and then in water flow
It when entering valve body, varies less and is similar to unanimously in the intracorporal cross section of valve, and then ensure that water pressure variation is small or even constant,
The vibration for even avoiding the position that water is in contact with spool is reduced, the noise generated by vibration is reduced.
Gas heater of the invention uses above-mentioned water proportioning valve, because what water proportioning valve generated makes an uproar when can reduce use
Sound.
Detailed description of the invention
Fig. 1 and Fig. 2 is the structural schematic diagram of two kinds of water proportioning valves in the prior art of the invention；
Fig. 3 is structural schematic diagram when one water proportioning valve of the embodiment of the present invention is in initial position (aperture is maximum)；
Fig. 4 is structural schematic diagram when one water proportioning valve of the embodiment of the present invention is in final position (aperture is minimum)；
Fig. 5 is the structural schematic diagram of the spool of one water proportioning valve of the embodiment of the present invention；
Fig. 6 is structural schematic diagram when two water proportioning valve of the embodiment of the present invention is in initial position (aperture is maximum)；
Fig. 7 is structural schematic diagram when two water proportioning valve of the embodiment of the present invention is in final position (aperture is minimum)；
Fig. 8 is the structural schematic diagram of the spool of two water proportioning valve of the embodiment of the present invention.
In figure：
1, valve body；2, spool sheath；3, spool；4, sealing ring；5, stepper motor；31, disk body；311, sealing；100,
Valve body；101, stepper motor；102, spool；103, sealing element；104, spool sheath；1021, disk body.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
The present embodiment provides a kind of water proportioning valves, and as shown in Figure 3 and Figure 4, which includes valve body 1, spool sheath 2
And spool 3, wherein spool sheath 2 seal setting inside valve body 1, the setting that spool 3 then slides in spool sheath 2,
And sealing ring 4 is equipped between spool 3 and spool sheath 2, sealing ring 4 is set on spool 3.Above-mentioned spool 3 is discharged far from valve body 1
One end of mouth is connected with stepper motor 5, spool 3 can be driven mobile by the stepper motor 5, enable spool 3 close to valve
The water outlet of body 1, to realize the reduction of water ratio valve opening；Or make spool 3 far from the water outlet of valve body 1, to realize water
The increase of ratio valve opening.
In the present embodiment, Fig. 3-5 can refer to, above-mentioned 3 end of spool is equipped with disk body 31, which goes out close to valve body 1
Sealing 311 is arranged in the one end at the mouth of a river, which is used for the water outlet of sealed valve body 1.
Above-mentioned 31 end of disk body extends away from one end of the water outlet of valve body 1, so that the thickness of disk body 31 is relative to existing
There is the thickness in technology to greatly increase, the increase of thickness can make the gap B between 2 end of disk body 31 and spool sheath little
Gap A between spool sheath 2 and valve body 1.When water flows into valve body 1, due between 2 end of disk body 31 and spool sheath
No more than the gap A between spool sheath 2 and valve body 1, cross section of the water in valve body 1 varies less to be similar to unanimously gap B,
And then ensure that water pressure variation is small or even constant, the vibration for even avoiding the position that water is in contact with spool 3 is reduced, is reduced
The noise generated by vibration.
It should be noted that when the water ratio valve opening maximum of the present embodiment, disk body 31 and 2 end of spool sheath at this time
Between gap B be zero, i.e., disk body 31 is sticked in the end of spool sheath 2, as shown in Figure 3.Water is transversal in valve body 1 at this time
Face is approximate consistent, and corresponding water pressure varies less, and will not even seldom generate noise.
When the water ratio valve opening minimum of the present embodiment, the water outlet of the meeting sealed valve body 1 of sealing 311 of disk body 31 at this time
Mouthful, the gap B between 2 end of disk body 31 and spool sheath is much smaller than the gap A between spool sheath 2 and valve body 1, and water exists at this time
Cross section in valve body 1 varies less, and also very little, the noise of generation also will very littles for corresponding water pressure variation.
In the present embodiment, further, above-mentioned disk body 31 is cylindrical-shaped structure, the diameter difference of diameter and spool sheath 2
Value is between -0.3mm -0.3mm.By the setting of above-mentioned difference in diameter, enable between 1 inner wall of disk body 31 and valve body
Distance and gap A are not much different or identical, at this time sectional area phase of sectional area of the water at spool sheath 2 with water at disk body 31
Poor very little is identical, and corresponding water pressure varies less or constant, and vibrate also can accordingly reduce at this time, and the noise of generation also will
Very little will not even generate noise.
The structure of the above-mentioned water proportioning valve of the present embodiment, efficiently reduces or even avoids the position that water is in contact with spool 3
The vibration set reduces the noise generated by vibration.
The present embodiment also provides a kind of gas heater, including above-mentioned water proportioning valve, because of water ratio when can reduce use
The noise that example valve generates.
Embodiment two
The difference of the present embodiment and embodiment one is only that close on the disk body 31 of the spool 3 of the water proportioning valve of the present embodiment
The structure in envelope portion 311 is different, specifically, as shown in figs 6-8, being provided with sealing ring at above-mentioned sealing 311, opens in water proportioning valve
When degree is minimum, above-mentioned sealing ring can seal the water outlet of valve body 1.
Remaining structure and embodiment one are all the same, and details are not described herein.
The water proportioning valve of the present embodiment equally passes through the water outlet by 31 end of disk body of 1 end of spool away from valve body 1
One end extend so that gap B between 2 end of disk body 31 and spool sheath is not more than between spool sheath 2 and valve body 1
Gap A efficiently reduces or even avoids the vibration for the position that water is in contact with spool 3, reduces the noise generated by vibration.
The present embodiment also provides a kind of gas heater, the water proportioning valve including the present embodiment, when can reduce use because
The noise that water proportioning valve generates.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (8)
1. a kind of water proportioning valve, including valve body (1), spool sheath (2) and spool (3), which is characterized in that the spool (3)
End is equipped with disk body (31), and disk body (31) end extends away from one end of the water outlet of valve body (1), makes the disk body
(31) the gap B between spool sheath (2) end is no more than the gap A between spool sheath (2) and valve body (1).
2. water proportioning valve according to claim 1, which is characterized in that the disk body (31) is cylindrical-shaped structure, diameter
Difference in diameter with the spool sheath (2) is between -0.3mm -0.3mm.
3. water proportioning valve according to claim 1, which is characterized in that when the water ratio valve opening maximum, the disk body
(31) the gap B between spool sheath (2) end is zero.
4. water proportioning valve according to claim 1, which is characterized in that when the water ratio valve opening minimum, the disk body
(31) water outlet of the valve body (1) is sealed.
5. water proportioning valve according to claim 1 to 4, which is characterized in that the disk body (31) is close to the valve body
(1) sealing (311) are arranged in one end of water outlet, and the sealing (311) is used to seal the water outlet of the valve body (1).
6. water proportioning valve according to claim 5, which is characterized in that be equipped between the spool (3) and spool sheath (2)
Sealing ring (4), the sealing ring (4) are set on spool (3).
7. water proportioning valve according to claim 6, which is characterized in that water outlet of the spool (3) far from valve body (1)
One end is connected with stepper motor (5).
8. a kind of gas heater, which is characterized in that including water proportioning valve as claimed in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369595.1A CN108930803A (en) | 2017-05-23 | 2017-05-23 | Water proportional valve and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369595.1A CN108930803A (en) | 2017-05-23 | 2017-05-23 | Water proportional valve and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108930803A true CN108930803A (en) | 2018-12-04 |
Family
ID=64451013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710369595.1A Pending CN108930803A (en) | 2017-05-23 | 2017-05-23 | Water proportional valve and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108930803A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5962779A (en) * | 1982-10-01 | 1984-04-10 | Yamatake Honeywell Co Ltd | Regulating valve |
| JPS60184907A (en) * | 1984-03-01 | 1985-09-20 | Fuji Electric Co Ltd | Valve device |
| WO1999022282A1 (en) * | 1997-10-23 | 1999-05-06 | Myson Heating Controls Limited | Flow control valves |
| JPH11247619A (en) * | 1998-02-27 | 1999-09-14 | Toshiba Corp | Steam valve |
| US6073651A (en) * | 1996-01-19 | 2000-06-13 | Siemens Aktiengesellschaft | Damped valve |
| CN204664452U (en) * | 2015-04-22 | 2015-09-23 | 佛山市顺德万和电气配件有限公司 | Water Proportional valve and there is its gas water-heater |
| CN205678151U (en) * | 2016-06-06 | 2016-11-09 | 中国石油化工股份有限公司 | A kind of coal gasified black water regulation valve trim |
| CN106286932A (en) * | 2015-06-05 | 2017-01-04 | 青岛经济技术开发区海尔热水器有限公司 | Water proportional valve and gas water heater |
-
2017
- 2017-05-23 CN CN201710369595.1A patent/CN108930803A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5962779A (en) * | 1982-10-01 | 1984-04-10 | Yamatake Honeywell Co Ltd | Regulating valve |
| JPS60184907A (en) * | 1984-03-01 | 1985-09-20 | Fuji Electric Co Ltd | Valve device |
| US6073651A (en) * | 1996-01-19 | 2000-06-13 | Siemens Aktiengesellschaft | Damped valve |
| WO1999022282A1 (en) * | 1997-10-23 | 1999-05-06 | Myson Heating Controls Limited | Flow control valves |
| JPH11247619A (en) * | 1998-02-27 | 1999-09-14 | Toshiba Corp | Steam valve |
| CN204664452U (en) * | 2015-04-22 | 2015-09-23 | 佛山市顺德万和电气配件有限公司 | Water Proportional valve and there is its gas water-heater |
| CN106286932A (en) * | 2015-06-05 | 2017-01-04 | 青岛经济技术开发区海尔热水器有限公司 | Water proportional valve and gas water heater |
| CN205678151U (en) * | 2016-06-06 | 2016-11-09 | 中国石油化工股份有限公司 | A kind of coal gasified black water regulation valve trim |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20181204 |