CN207539398U - Adjustable fuel gas proportioning valve - Google Patents
Adjustable fuel gas proportioning valve Download PDFInfo
- Publication number
- CN207539398U CN207539398U CN201721226015.5U CN201721226015U CN207539398U CN 207539398 U CN207539398 U CN 207539398U CN 201721226015 U CN201721226015 U CN 201721226015U CN 207539398 U CN207539398 U CN 207539398U
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- spool
- gas channel
- valve core
- solenoid
- fuel gas
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Abstract
A kind of adjustable fuel gas proportioning valve, including valve body（1）, valve body（1）Gas channel is internally provided with, the solenoid-operated proportional spool of control gas channel size is equipped in gas channel（2）With the electromagnet cut off valve core of control gas channel opening and closing（3）, the manual modulation valve core of control gas channel size is additionally provided in the gas channel（4）.Manual modulation valve core in gas ratio valve is set, has the characteristics that quickly to adjust that flow, easy to adjust, voltage regulation result is good.When needing to meet small flow demand, only need to gas channel be reduced by manual modulation valve core, solenoid-operated proportional spool carries out secondary diminution to gas channel simultaneously, so as to avoid because controlling gas channel size by solenoid-operated proportional spool merely, and cause the current value exported to solenoid-operated proportional spool too small, and then the problem of cause voltage regulation result unstable.
Description
Technical field
The utility model is related to valve body technical field, more particularly to a kind of gas ratio valve.
Background technology
In the prior art, it is limited by the precision of electronic component or dimensions, gas ratio valve can only meet specifically
Flow demand, it is impossible to which small-large flow is general.For example, the gas ratio valve of big flow demand is can be suitably used for, if being needed for small flow
When asking, often due to the current value exported to gas ratio valve is too small, cause voltage regulation result unstable, fall difference after rise also very greatly, and
Suitable for the gas ratio valve of small flow demand, since dimensions limits, if for big flow demand complete machine when flow without
Method is met the requirements.For this purpose, special improve the structure of gas ratio valve.
Invention content
The technical issues of the utility model solves is to provide a kind of adjustable fuel gas proportioning valve.The adjustable fuel gas proportioning valve
Big flow, the complete machine demand of small flow can not only be met, and voltage regulation result is good.
The technical issues of the utility model gas burning roastor, is solved by the following technical programs：A kind of adjustable fuel gas ratio
Example valve, including valve body, valve inner is equipped with gas channel, and the electromagnetic proportional valve of control gas channel size is equipped in gas channel
Core and the electromagnet cut off valve core of control gas channel opening and closing, the manual adjusting of control gas channel size is additionally provided in gas channel
Spool.
The utility model generated advantageous effect compared with background technology：Manual modulation valve is set in gas ratio valve
Core, has the characteristics that quickly to adjust that flow, easy to adjust, voltage regulation result is good.When needing to meet small flow demand, need to only lead to
It crosses manual adjusting spool and reduces gas channel, while solenoid-operated proportional spool carries out secondary diminution to gas channel, so as to avoid
Because controlling gas channel size by solenoid-operated proportional spool merely, and cause the current value exported to solenoid-operated proportional spool too small,
And then the problem of causing voltage regulation result unstable.
The solenoid-operated proportional spool, electromagnet cut off valve core and manual modulation valve core are along air-flow in one of the embodiments,
Channel is set gradually, and manual modulation valve core is arranged on the inlet end of gas channel.
The valve body is equipped with proportioning valve core cavity, cut-off spool chamber, regulating valve core cavity, first in one of the embodiments,
Electromagnetic assembly and the second electromagnetic assembly, proportioning valve core cavity, cut-off spool chamber, regulating valve core cavity are connected by gas channel, electromagnetism
Proportional valve spool is mounted on proportional valve spool intracavitary and is driven by the first electromagnetic assembly, and electromagnet cut off valve core is mounted in cut-off spool chamber
And driven by the second electromagnetic assembly, manual modulation valve core is mounted on adjusting spool intracavitary.
The manual modulation valve core is made of cylinder spool and poppet shaft in one of the embodiments, poppet shaft and cylinder
Body spool is coaxially disposed and is fixed at the top of cylinder spool, regulating valve core cavity both ends open and adjusting spool cavity wall is equipped with radially
Boss, cylinder spool are mounted on adjusting spool intracavitary and are supported on radial direction boss, and poppet shaft stretches out regulating valve core cavity, regulating valve
Opening at the top of core cavity is closed by pressing plate and poppet shaft passes through pressing plate.
The pressing plate is equipped with the pressing plate through-hole passed through for poppet shaft in one of the embodiments, and pressing plate through-hole edge is set
There is positioning column, the outside wall surface of poppet shaft is radially provided with positioning pin, and positioning column is kept off on the movement locus of positioning pin.Pass through positioning column
With detent fit, help to limit the maximum opening of manual modulation valve core adjusting gas channel and minimum aperture, so as to ensure
Solenoid-operated proportional spool carries out Secondary Control under metastable environment to the size of gas channel.
In one of the embodiments, the side wall of the cylinder spool successively be equipped with macropore, mesoporous, aperture, macropore, in
Hole, aperture the center of circle be located on same circumference, mesoporous both sides communicate respectively with macropore, aperture.Manual modulation valve core by macropore,
Three kinds of mesoporous, aperture size through-holes adjust the size of gas channel.
The gas channel between the cut-off spool chamber and regulating valve core cavity is obliquely installed in one of the embodiments,.
Gas channel herein is obliquely installed, and not only contributes to reduce the machine-shaping difficulty of gas channel, and helps to make combustion gas
The overall structure of proportioning valve is more compact.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the partial structurtes schematic cross-sectional view of Fig. 1；
Fig. 3 is another partial structurtes schematic cross-sectional view of Fig. 1；
Fig. 4 is the structure diagram of spool in the utility model；
Fig. 5 is the decomposition texture schematic diagram of the utility model.
The reference numerals are as follows：
1 valve body, 2 solenoid-operated proportional spools, 3 electromagnet cut off valve cores, 4 manual modulation valve cores, 41 cylinder spools, 411 macropores,
412 mesoporous, 413 apertures, 42 poppet shafts, 43 radial direction boss, 44 positioning pins, 5 pressing plates, 51 pressing plate through-holes, 52 positioning columns, 6 air-flows
Channel.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model
Open the understanding more thorough and comprehensive of content.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes
The arbitrary and all combination of one or more relevant Listed Items.
As Figure 1-Figure 5, the present embodiment includes valve body 1, and valve body 1 is internally provided with gas channel, is equipped in gas channel
The solenoid-operated proportional spool 2 of gas channel size and the electromagnet cut off valve core 3 of control gas channel opening and closing are controlled, is gone back in gas channel
Manual modulation valve core 4 equipped with control gas channel size.Solenoid-operated proportional spool 2, electromagnet cut off valve core 3 and manual modulation valve core
4 set gradually along gas channel, and manual modulation valve core 4 is arranged on the inlet end of gas channel.
As shown in Fig. 2, valve body 1 is equipped with proportioning valve core cavity, cut-off spool chamber, regulating valve core cavity, the first electromagnetic assembly and the
Two electromagnetic assemblies, proportioning valve core cavity, cut-off spool chamber, regulating valve core cavity are connected by gas channel, and cut-off spool chamber is with adjusting
Gas channel 6 between spool chamber is obliquely installed, as shown in Figure 3.Solenoid-operated proportional spool 2 is mounted on proportional valve spool intracavitary and by the
One electromagnetic assembly drives, and electromagnet cut off valve core 3 is mounted in cut-off spool chamber and is driven by the second electromagnetic assembly, manual modulation valve
Core 4 is mounted on adjusting spool intracavitary.
As shown in Figure 1, Figure 4 and Figure 5, it moves adjusting spool 4 to be made of cylinder spool 41 and poppet shaft 42, poppet shaft 42 and cylinder
Body spool 41 is coaxially disposed and is fixed on the top of cylinder spool 41, regulating valve core cavity both ends open and adjusting spool cavity wall is equipped with
Radial direction boss 43, cylinder spool 41 are mounted on adjusting spool intracavitary and are supported on radial direction boss, and poppet shaft 42 stretches out regulating valve
Core cavity, the opening of adjusting spool top of chamber is closed by pressing plate 5 and poppet shaft 42 passes through pressing plate 5.Pressing plate 5 is equipped with for poppet shaft 42
The pressing plate through-hole 51 passed through, 51 edge of pressing plate through-hole are equipped with positioning column 52, and the outside wall surface of poppet shaft 42 is radially provided with positioning pin 44.
As shown in figure 4, the side wall of cylinder spool 41 successively be equipped with macropore 411, mesoporous 412, aperture 413, macropore 411, in
Hole 412, aperture 413 the center of circle be located on same circumference, 412 both sides of mesoporous communicate respectively with macropore 411, aperture 413.
The present embodiment sets manual modulation valve core 4 in gas ratio valve.When needing to meet small flow demand, need to only lead to
It crosses manual adjusting spool 4 and reduces gas channel, while solenoid-operated proportional spool 2 carries out secondary diminution to gas channel, so as to avoid
Because controlling gas channel size by solenoid-operated proportional spool 2 merely, and lead to the current value mistake exported to solenoid-operated proportional spool 2
It is small, and then the problem of cause voltage regulation result unstable.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of adjustable fuel gas proportioning valve, including valve body（1）, valve body（1）Gas channel is internally provided with, is equipped in gas channel
Control the solenoid-operated proportional spool of gas channel size（2）With the electromagnet cut off valve core of control gas channel opening and closing（3）, feature exists
In：The manual modulation valve core of control gas channel size is additionally provided in the gas channel（4）.
2. adjustable fuel gas proportioning valve according to claim 1, it is characterised in that：The solenoid-operated proportional spool（2）, electromagnetism
End spool（3）With manual modulation valve core（4）It is set gradually along gas channel, manual modulation valve core（4）It is arranged on gas channel
Inlet end.
3. adjustable fuel gas proportioning valve according to claim 1 or 2, it is characterised in that：The valve body（1）Equipped with proportioning valve
Core cavity, cut-off spool chamber, regulating valve core cavity, the first electromagnetic assembly and the second electromagnetic assembly, proportioning valve core cavity, cut-off spool chamber,
Regulating valve core cavity is connected by gas channel, solenoid-operated proportional spool（2）Mounted on proportional valve spool intracavitary and by the first electromagnetic assembly
Driving, electromagnet cut off valve core（3）It is driven in cut-off spool chamber and by the second electromagnetic assembly, manual modulation valve core（4）Peace
Mounted in adjusting spool intracavitary.
4. adjustable fuel gas proportioning valve according to claim 3, it is characterised in that：The manual modulation valve core（4）By cylinder
Body spool（41）And poppet shaft（42）Composition, poppet shaft（42）With cylinder spool（41）It is coaxially disposed and is fixed on cylinder spool
（41）Top, regulating valve core cavity both ends open and adjusting spool cavity wall are equipped with radial direction boss（43）, cylinder spool（41）Installation
In adjusting spool intracavitary and it is supported on radial direction boss, poppet shaft（42）Regulating valve core cavity is stretched out, adjusting spool top of chamber is opened
Mouth passes through pressing plate（5）Closing and poppet shaft（42）Across pressing plate（5）.
5. adjustable fuel gas proportioning valve according to claim 4, it is characterised in that：The pressing plate（5）Equipped with for poppet shaft
（42）The pressing plate through-hole passed through（51）, pressing plate through-hole（51）Edge is equipped with positioning column（52）, poppet shaft（42）Outside wall surface radially
Equipped with positioning pin（44）, positioning column（52）Gear is in positioning pin（44）Movement locus on.
6. adjustable fuel gas proportioning valve according to claim 4, it is characterised in that：The cylinder spool（41）Side wall according to
It is secondary to be equipped with macropore（411）, mesoporous（412）, aperture（413）, macropore（411）, mesoporous（412）, aperture（413）The center of circle be located at it is same
On one circumference, mesoporous（412）Both sides respectively with macropore（411）, aperture（413）It communicates.
7. adjustable fuel gas proportioning valve according to claim 3, it is characterised in that：The cut-off spool chamber and adjusting spool
Gas channel between chamber（6）It is obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226015.5U CN207539398U (en) | 2017-09-23 | 2017-09-23 | Adjustable fuel gas proportioning valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226015.5U CN207539398U (en) | 2017-09-23 | 2017-09-23 | Adjustable fuel gas proportioning valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539398U true CN207539398U (en) | 2018-06-26 |
Family
ID=62609551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721226015.5U Active CN207539398U (en) | 2017-09-23 | 2017-09-23 | Adjustable fuel gas proportioning valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639063A (en) * | 2021-08-12 | 2021-11-12 | 宁波中车时代电气设备有限公司 | Gas regulating valve |
-
2017
- 2017-09-23 CN CN201721226015.5U patent/CN207539398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639063A (en) * | 2021-08-12 | 2021-11-12 | 宁波中车时代电气设备有限公司 | Gas regulating valve |
| CN113639063B (en) * | 2021-08-12 | 2023-10-13 | 株洲中车时代电气股份有限公司 | Gas regulating valve |
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