CN106641431A - Gas wall-mounted furnace and flow limiting valve thereof - Google Patents
Gas wall-mounted furnace and flow limiting valve thereof Download PDFInfo
- Publication number
- CN106641431A CN106641431A CN201710161454.0A CN201710161454A CN106641431A CN 106641431 A CN106641431 A CN 106641431A CN 201710161454 A CN201710161454 A CN 201710161454A CN 106641431 A CN106641431 A CN 106641431A
- Authority
- CN
- China
- Prior art keywords
- flow
- valve
- valve body
- limiting valve
- limiting
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 230000008676 import Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 230000009467 reduction Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010992 reflux Methods 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
-
- 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
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a flow limiting valve which comprises a valve core and a valve body, and further comprises a flow guide baffle plate for blocking fluid flowing out of an outlet of the valve body. The fluid flowing out of the outlet of the valve body is blocked by adding the flow guide baffle plate so as to reduce the flow velocity of the fluid, thereby reducing the pressure gradient, relieving the negative pressure problem and achieving the purpose of reducing the throttling noise. The invention also discloses a wall-mounted gas furnace with the flow limiting valve.
Description
Technical field
The present invention relates to burnt gas wall hanging furnace technical field, specifically, is related to a kind of burnt gas wall hanging furnace and its flow-limiting valve.
Background technology
Flow-limiting valve is a kind of safety protective valve, because maintaining the constant spy of rate of discharge under the fluctuation of import water flow pressure
Point, applies in the products such as burnt gas wall hanging furnace.It is to realize the original of current stabilization state by reducing circulation area to be limited to flow-limiting valve
Reason, under high inlet pressure, fluid is increased by the flow velocity of flow-limiting valve, and flow velocity is too fast to cause flow-limiting valve to go out at stream fluid in
Between larger barometric gradient is formed in diffusion process, form negative pressure concentration zones, there is the phenomenon of cavity, i.e. gas-liquid two-phase so that
Flow-limiting valve can produce throttling noise.
Therefore it provides a kind of flow-limiting valve, is the technology that those skilled in the art need at present solution to reduce the noise that throttles
Problem.
The content of the invention
In view of this, the invention provides a kind of flow-limiting valve, to reduce the noise that throttles.Additionally, present invention also offers one
Plant the burnt gas wall hanging furnace with above-mentioned flow-limiting valve.
For achieving the above object, the present invention provides following technical scheme：
A kind of flow-limiting valve, including valve element and valve body, it is also included for stopping leading for the fluid for flowing out the valve outlet
Stream baffle plate.
Preferably, in above-mentioned flow-limiting valve, the circulating direction of the fluid of the flow apron and the outflow valve outlet
Vertically.
Preferably, in above-mentioned flow-limiting valve, the outlet of the valve body is stretched in outside the first end of the valve element, and described is led
Stream baffle plate is connected with the first end of the valve element.
Preferably, in above-mentioned flow-limiting valve, the flow apron is structure as a whole with the valve element.
Preferably, in above-mentioned flow-limiting valve, the flow apron is connected with the valve body.
Preferably, in above-mentioned flow-limiting valve, the second end of the valve element is located at the entrance of the valve body, and the valve
Second end of core is throttle structure.
Preferably, in above-mentioned flow-limiting valve, the second end of the valve element is the choke block with the through hole passed through for fluid.
Preferably, in above-mentioned flow-limiting valve, the periphery at the second end of the valve element coordinates with the bore seal of the valve body.
Preferably, it is described also including the elastic restrictor ring being arranged in the inner chamber of the valve body in above-mentioned flow-limiting valve
Restrictor ring is located between the import of the valve body and the outlet of the valve body.
Preferably, in above-mentioned flow-limiting valve, the restrictor ring is limited in the inner chamber of the valve body along the flow direction of fluid.
A kind of burnt gas wall hanging furnace, including flow-limiting valve, wherein, the flow-limiting valve is the fuel wall hanging described in any of the above-described
Stove.
Understand via above-mentioned technical scheme, the invention discloses a kind of flow-limiting valve, including valve element and valve body, wherein, also
Including the flow apron of the fluid that valve outlet is flowed out for stop.By increasing flow apron to flowing out the stream of the outlet of valve body
Body is stopped, to reduce the flow velocity of fluid, so as to reduce barometric gradient, alleviates negative pressure problem, reduces throttling noise
Purpose.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the sectional view of flow-limiting valve provided in an embodiment of the present invention；
Fig. 2 is the front view of flow-limiting valve provided in an embodiment of the present invention.
Specific embodiment
The core of the present invention is to provide a kind of flow-limiting valve, to reduce the noise that throttles.Additionally, another core of the present invention is to carry
For a kind of burnt gas wall hanging furnace with above-mentioned flow-limiting valve.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, the invention discloses a kind of flow-limiting valve, including valve element 1 and valve body 3, wherein, also include using
In the flow apron 4 for stopping the fluid for flowing out the outlet of valve body 3.By the fluid for increasing the outlet of 4 pairs of outflow valve bodies 3 of flow apron
Stopped, to reduce the flow velocity of fluid, so as to reduce barometric gradient, alleviated negative pressure problem, reduced the mesh of throttling noise
's.It should be noted that the effect of flow apron 4 is the fluid of the valve port for hindering to flow out valve body 3, therefore, flow apron 4 is position
In the outside of the valve body 3 of flow-limiting valve, and in order to realize the effect of flow-limiting valve itself, the length of the flow apron 4 of setting is needed
The diameter of pipeline that will be with installing is defined, and prevents the blocking pipeline of flow apron 4.Additionally, flow apron 4 and valve body 3 go out
The distance between mouth needs to be adjusted according to the size of flow.
The setting direction of flow apron 4 disclosed herein preferably with flow out valve body 3 outlet fluid circulation
Direction is vertical.Above-mentioned set-up mode can as far as possible reduce the flow velocity of fluid, to reach the purpose of noise reduction.In practice also can be by
Flow apron 4 is set to have certain angle with the flow direction of fluid, further in order to alleviate the problem of fluid reflux, can be by
The arrangement that flow apron 4 is set to the flow direction of fluid is obtuse angle.
In specific embodiment, the outlet of valve body 3 will be stretched in outside the first end of valve element 1, and by flow apron 4 and valve element 1
First end connection.Specifically, the first end of the valve element 1 is stretched out the outlet of valve body 3 and installs flow apron 4 to realize to water conservancy diversion
The fixed installation of baffle plate 4, for the connected mode of flow apron 4 and valve element 1 can adopt mode connects for screw, also can be by flow apron 4
Integral structure is set to valve element 1, to facilitate processing, and the intensity requirement of flow apron 4 is ensure that.
Additionally, also flow apron 4 can be arranged on valve body 3, the core of the application is the outlet to flowing out valve body 3
Fluid stopped, the problem of negative pressure generation is alleviated to reduce the flow velocity of fluid, and then reaches the purpose of noise reduction.To sum up, exist
The outlet side of valve body 3 is provided with flow apron 4, and by the stop of flow apron 4 flow velocity of fluid can be reduced, and for water conservancy diversion gear
The mounting means of plate 4, can be set in this application according to different installation requirements, and in protection domain.Another
In embodiment, flow apron 4 is arranged on valve body 3 can reduce the size of valve element, it is not necessary to will stretch in valve body 3 outside valve element 1.It is right
In other achievable flow aprons 4 fixation mode also in the protection domain of the application.
On the basis of above-mentioned technical proposal, the second end of the valve element 1 in the application is located at the entrance of valve body 3, and
Second end of the valve element 1 is throttle structure.The purpose of the application is to provide a kind of flow-limiting valve of noise reduction, therefore, the flow-limiting valve
Effect with current limliting, is realized for current limliting principle the application of flow-limiting valve by reducing circulation area.
The specific throttle structure is choke block, and the choke block has the through hole passed through for fluid.Subtracted in the form of through hole
The circulation area of little fluid, reaches the purpose of throttling.Broached-tooth design is may be alternatively provided as in practice, and the gap between sawtooth is then
For the runner that fluid passes through.For the mode for how realizing throttling can be configured in practice according to different needs, as long as
The reduction of the circulation area of choke valve can be realized.
In practice, the size that can be arranged the circulation area of through hole is less, with by through hole itself come to larger miscellaneous
Matter is filtered.The use of filtration members can be reduced by way of the size of through hole reaches filtration, reduces cost improves assembling effect
Rate.For the circulation area of through hole can set according to the metered flow of product.
In preferred embodiment, the bore seal of the periphery at the second end of valve element 1 and valve body 3 is coordinated, to ensure fluid
Only flow-limiting valve can be entered by throttle structure.
Additionally, flow-limiting valve disclosed herein also includes the elastic restrictor ring 2 being arranged in the inner chamber of valve body 3, should
Restrictor ring 2 is located between the import of valve body 3 and the outlet of valve body 3.Restrictor ring 2 is elastomeric material, in Fluid pressure effect
Under, deforming, the restrictor ring 2, valve body 3 and valve element 1 after deformation coordinates together change circulation area, plays current stabilization effect, i.e.,
Second throttle is realized by restrictor ring 2.Second end of valve element 1 is perforation structure, can play filtration and a throttling action.
For flow direction of the restrictor ring 2 along fluid is limited in the inner chamber of valve body 3.Specifically, the cavity wall of the inner chamber of the valve body 3
For step surface, the side of restrictor ring 2 is spacing by step section, and opposite side is relative with the throttle structure of valve element 1.During work, fluid leads to
Throttle structure impact restrictor ring 2 is crossed, restrictor ring 2 is extruded, realize throttling and the effect of current stabilization.Can also pass through in practice
Connector is arranged on restrictor ring 2 in the inner chamber of valve body, but can increase assembly process by connector connection.Art technology
Personnel can be selected according to different needs, and in protection domain.
Additionally, disclosed herein as well is a kind of burnt gas wall hanging furnace, including flow-limiting valve, wherein, the flow-limiting valve is above-mentioned enforcement
Flow-limiting valve disclosed in example, therefore, the burnt gas wall hanging furnace with the flow-limiting valve also has above-mentioned all technique effects, and here is no longer
Repeat one by one.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (11)
1. a kind of flow-limiting valve, including valve element (1) and valve body (3), it is characterised in that also include flowing out the valve body for stopping
(3) flow apron (4) of the fluid of outlet.
2. flow-limiting valve according to claim 1, it is characterised in that the flow apron (4) goes out with the valve body (3) is flowed out
The circulating direction of the fluid of mouth is vertical.
3. flow-limiting valve according to claim 1, it is characterised in that stretch in the valve body outside the first end of the valve element (1)
(3) outlet, and the flow apron (4) is connected with the first end of the valve element (1).
4. flow-limiting valve according to claim 3, it is characterised in that the flow apron (4) is integrated with the valve element (1)
Structure.
5. flow-limiting valve according to claim 1, it is characterised in that the flow apron (4) is connected with the valve body (3).
6. the flow-limiting valve according to any one of claim 1-5, it is characterised in that the second end of the valve element (1) is located at institute
The entrance of valve body (3) is stated, and the second end of the valve element (1) is throttle structure.
7. flow-limiting valve according to claim 6, it is characterised in that the second end of the valve element (1) is with logical for fluid
The choke block of the through hole crossed.
8. flow-limiting valve according to claim 7, it is characterised in that the periphery and the valve at the second end of the valve element (1)
The bore seal of body (3) coordinates.
9. flow-limiting valve according to claim 6, it is characterised in that also including being arranged in the inner chamber of the valve body (3)
The restrictor ring (2) of elasticity, the restrictor ring (2) is between the import of the valve body (3) and the outlet of the valve body (3).
10. flow-limiting valve according to claim 9, it is characterised in that the restrictor ring (2) is limited in institute along the flow direction of fluid
State in the inner chamber of valve body (3).
A kind of 11. burnt gas wall hanging furnaces, including flow-limiting valve, it is characterised in that the flow-limiting valve is such as any one of claim 1-10
Described burnt gas wall hanging furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161454.0A CN106641431A (en) | 2017-03-17 | 2017-03-17 | Gas wall-mounted furnace and flow limiting valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161454.0A CN106641431A (en) | 2017-03-17 | 2017-03-17 | Gas wall-mounted furnace and flow limiting valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641431A true CN106641431A (en) | 2017-05-10 |
Family
ID=58847741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710161454.0A Pending CN106641431A (en) | 2017-03-17 | 2017-03-17 | Gas wall-mounted furnace and flow limiting valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112471739A (en) * | 2020-11-20 | 2021-03-12 | 广州和诚新材料科技有限公司 | Embedded toothbrush of dentifrice |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960260A (en) * | 1986-02-10 | 1990-10-02 | Mcenearney Paul | Fluid restricting valve |
| CN201272993Y (en) * | 2008-09-24 | 2009-07-15 | 深圳市华伦能源管理技术有限公司 | Water economizer of water tap and water-saving tap |
| CN201284881Y (en) * | 2008-11-13 | 2009-08-05 | 西安济源水用设备技术开发有限责任公司 | Pressure reduction and stabilization type constant-current energy dissipating valve |
| CN101548250A (en) * | 2006-12-06 | 2009-09-30 | 纽珀有限公司 | Flow-volume regulator |
| US20100051840A1 (en) * | 2008-09-02 | 2010-03-04 | Taekyu Jung | Flow control valve |
| CN102384610A (en) * | 2011-06-21 | 2012-03-21 | 珠海格力电器股份有限公司 | Orifice plate throttling device |
| CN102678992A (en) * | 2012-05-28 | 2012-09-19 | 钟杰荣 | Automatic flow-limiting water economizer with manual regulating channel |
| CN102966742A (en) * | 2012-11-16 | 2013-03-13 | 广州市精鼎电器科技有限公司 | Flow-limiting fuel gas proportional valve |
| CN202812360U (en) * | 2012-08-29 | 2013-03-20 | 青岛经济技术开发区海尔热水器有限公司 | Flow regulating device, water flow sensor and gas water heater |
| CN205579945U (en) * | 2016-03-08 | 2016-09-14 | 浙江凯姆热能设备有限公司 | Take gas hanging stove of automatic bypass system |
| CN205617495U (en) * | 2015-02-03 | 2016-10-05 | 纽珀有限公司 | Dress unit is inlayed to health |
| CN207229898U (en) * | 2017-03-17 | 2018-04-13 | 珠海格力电器股份有限公司 | Gas wall-mounted furnace and flow limiting valve thereof |
-
2017
- 2017-03-17 CN CN201710161454.0A patent/CN106641431A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960260A (en) * | 1986-02-10 | 1990-10-02 | Mcenearney Paul | Fluid restricting valve |
| CN101548250A (en) * | 2006-12-06 | 2009-09-30 | 纽珀有限公司 | Flow-volume regulator |
| US20100051840A1 (en) * | 2008-09-02 | 2010-03-04 | Taekyu Jung | Flow control valve |
| CN201272993Y (en) * | 2008-09-24 | 2009-07-15 | 深圳市华伦能源管理技术有限公司 | Water economizer of water tap and water-saving tap |
| CN201284881Y (en) * | 2008-11-13 | 2009-08-05 | 西安济源水用设备技术开发有限责任公司 | Pressure reduction and stabilization type constant-current energy dissipating valve |
| CN102384610A (en) * | 2011-06-21 | 2012-03-21 | 珠海格力电器股份有限公司 | Orifice plate throttling device |
| CN102678992A (en) * | 2012-05-28 | 2012-09-19 | 钟杰荣 | Automatic flow-limiting water economizer with manual regulating channel |
| CN202812360U (en) * | 2012-08-29 | 2013-03-20 | 青岛经济技术开发区海尔热水器有限公司 | Flow regulating device, water flow sensor and gas water heater |
| CN102966742A (en) * | 2012-11-16 | 2013-03-13 | 广州市精鼎电器科技有限公司 | Flow-limiting fuel gas proportional valve |
| CN205617495U (en) * | 2015-02-03 | 2016-10-05 | 纽珀有限公司 | Dress unit is inlayed to health |
| CN205579945U (en) * | 2016-03-08 | 2016-09-14 | 浙江凯姆热能设备有限公司 | Take gas hanging stove of automatic bypass system |
| CN207229898U (en) * | 2017-03-17 | 2018-04-13 | 珠海格力电器股份有限公司 | Gas wall-mounted furnace and flow limiting valve thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112471739A (en) * | 2020-11-20 | 2021-03-12 | 广州和诚新材料科技有限公司 | Embedded toothbrush of dentifrice |
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