CN206206672U - A kind of gas engine adjustable throttling - Google Patents
A kind of gas engine adjustable throttling Download PDFInfo
- Publication number
- CN206206672U CN206206672U CN201621102299.2U CN201621102299U CN206206672U CN 206206672 U CN206206672 U CN 206206672U CN 201621102299 U CN201621102299 U CN 201621102299U CN 206206672 U CN206206672 U CN 206206672U
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- CN
- China
- Prior art keywords
- valve body
- manhole
- gas
- vertical
- flow controller
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Valve Housings (AREA)
Abstract
The utility model belongs to gas engine field, more particularly to a kind of gas engine adjustable throttling.A kind of valve body of the gas engine adjustable throttling for proposing（1）It is straight-through body by being led directly to blast tube and the T-valve body constituted perpendicular to the vertical body that straight-through body is set；Valve body（1）The axial centre of straight-through body has the manhole passed through to combustion gas；Valve body（1）Vertical body centered on have manhole cylinder, and in the outside wall surface of cylinder have external screw thread；Flow controller is provided with the manhole that vertical body center has（2）；The afterbody of flow controller stretches out valve body；Flow controller（2）Afterbody center processing in hexagonal groove；Adjustable throttling is additionally provided with seal cap（4）；Seal cap is installed on valve body vertical channel.The utility model ensure that the stability of throttling；Meet the throttling demand of V-type integration gas engine proportional mixer gas pipeline.
Description
Technical field
The utility model belongs to gas engine field, more particularly to a kind of gas engine adjustable throttling.
Background technology
V-type integration gas engine is the characteristics of one kind utilizes two row cylinder V-type parts, a row burning natural gas conduct
Power is arranged, and another row are used for the integrated dynamic device of compressed natural gas.The type gas engine according to use environment and operating mode,
Its auxiliary fuel supply-system selects proportional mixer.The mechanical structure of proportional mixer determines the proportion expression of each model
Blender has oneself applicable power bracket, and air-fuel ratio control is accurate and stable within the range, steady for a long time beneficial to engine
Fixed operation；And being less than the power bracket can cause combustion gas overrich, can then cause combustion gas excessively dilute higher than the power bracket, can be to hair
Motivation has a negative impact.
The normal power of V-type integration gas engine is less than current model proportional mixer each on the market and is applicable most
, there is combustion gas overrich phenomenon often in good power bracket in engine operation process.
Know as those skilled in the art institute is public, butterfly valve latus rectum is typically larger than DN50, be only applicable to the combustion gas hair of relatively high power
Motivation；The Flow-rate adjustment application of pipe with small pipe diameter field it is more be ball valve, but only 90 ° of ball valve opening angle, degree of regulation not enough, nothing
Method meets the demand of gas combustion engine air-fuel ratio control system gas flow precise control.
The Y of patent CN 201306507 disclose a kind of gas control valve, including valve body and control structure, its throttling wall
On have two groups of not of uniform size three holes, gas flow only third gear is adjustable, it is impossible to meet V-type integration gas engine proportion expression
The use requirement of blender；The U of patent CN 202012414 disclose a kind of efficient gas throttle valve, by choke valve and blender
Integrally combine and throttle valve body is improved by venturi principle；Its essence discloses a kind of venturi mixer and is used with a kind of
Butterfly valve carries out the device of mixed gas flow control, without reference to the regulation of gas flow；
Currently without a kind of adjustable throttling suitable for V-type integration gas engine proportional mixer gas pipeline
Valve.
Utility model content
In order to solve the above technical problems, the purpose of this utility model proposes a kind of gas engine adjustable throttling, should
Choke valve is installed on the gas pipeline of proportional mixer, and adjustment gas circulation area is moved up and down by flow controller, is entered
And the gas flow of proportional mixer is adjusted into, aid in proportional mixer precise control air-fuel ratio.
The utility model realizes that the technical scheme that object above is taken is as follows：
A kind of gas engine adjustable throttling, the valve body of the adjustable throttling is by straight with what blast tube led directly to
The T-valve body that entire body and the vertical body set perpendicular to straight-through body are constituted；The axial centre of straight-through body has and is used to described in valve body
The manhole that combustion gas is passed through, and described manhole constitutes blast tube；The two ends of the blast tube and gas pipeline
Connection；Cylinder with manhole centered on vertical body described in valve body, and there is external screw thread in the outside wall surface of cylinder；
The manhole that the manhole that vertical body center has has with straight-through body center is connected；Vertical body center is had
The internal face of manhole there is internal thread；It is provided with what is be threadedly coupled with it in the manhole that vertical body center has
Flow controller；Described flow controller is that head is the cylinder of semiglobe；The head of the flow controller is located at vertical body center institute
In the manhole having, and the manhole that can have at vertical body center is moved up and down and changes blast tube on valve body
Gas circulation area；The afterbody of the flow controller stretches out described valve body, and is fixed by stop nut；The afterbody of the flow controller
Hexagonal groove in the processing of center；Described adjustable throttling is additionally provided with seal cap；Described seal cap is the circle of one end closing
Tubular structure, and the internal face of seal cap openend has the interior spiral shell matched somebody with somebody with the external screw thread kiss in vertical body outside wall surface described in valve body
Line；The seal cap is installed on valve body vertical channel, and installs sealing gasket between the seal cap and valve body；The sealing
The top of the blind end of cap is outer hexagonal structure.
The two ends of the blast tube are machined with the screw thread to be connected with gas pipeline.
Described blast tube two ends are welded with the flange to be connected with gas pipeline.
The stop nut is outer six square nuts；The stop nut internal thread is consistent with flow controller outer wall thread；It is described
Stop nut is used for fixed restriction device.
It is a kind of for the adjustable of V-type integration gas engine proportional mixer gas pipeline that the utility model is provided
Choke valve, on proportional mixer gas pipeline, gas flow regulation is carried out according to engine operating load；The section
The method that stream valve locks flow controller using stop nut, makes throttle positions not change because of external factor such as engine luggines
Become, it is ensured that the stability of throttling；The choke valve can meet V-type integration gas engine proportional mixer gas pipeline
Throttling demand.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of flow controller in the utility model.
Fig. 3 is the top view of seal cap in the utility model.
In figure：1st, valve body 1,2, flow controller, 3, stop nut, 4, seal cap, 5, sealing gasket.
Specific embodiment
The utility model is further described with reference to the drawings and specific embodiments：
As shown in figure 1, simultaneously combining Fig. 2, Fig. 3, a kind of gas engine adjustable throttling, the valve of the adjustable throttling
Body 1 is straight-through body by being led directly to blast tube and the T-valve body constituted perpendicular to the vertical body that straight-through body is set；The institute of valve body 1
Stating the axial centre of straight-through body has the manhole passed through to combustion gas, and described manhole constitutes blast tube；Institute
The two ends for stating blast tube are connected with gas pipeline；Cylinder with manhole centered on vertical body described in valve body 1, and
There is external screw thread in the outside wall surface of cylinder；The circle that the manhole that vertical body center has has with straight-through body center
Through hole is connected；The internal face of the manhole that vertical body center has has internal thread；The circle that vertical body center has
The flow controller 2 being threadedly coupled with it is provided with shape through hole；Described flow controller 2 is that head is the cylinder of semiglobe；Institute
The head for stating flow controller 2 is located in the manhole that vertical body center has；The afterbody of the flow controller stretches out described valve
Body, and fixed by stop nut 3；Hexagonal groove in the afterbody center processing of the flow controller 2, it is rotatable by inner hexagon spanner
Flow controller 2, makes flow controller 2 be moved up and down in the vertical channel of valve body 1, so as to change the horizontal channel gas circulation face of valve body 1
Product；Described adjustable throttling is additionally provided with seal cap 4；Described seal cap 4 is the cylinder-like structure of one end closing, and is sealed
The internal face of cap openend has the internal thread matched somebody with somebody with the external screw thread kiss in vertical body outside wall surface described in valve body；The seal cap peace
Loaded on valve body vertical channel, and sealing gasket 5 is installed between the seal cap 4 and valve body 1；The blind end of the seal cap
Top is outer hexagonal structure.
The two ends of the blast tube are machined with the screw thread to be connected with gas pipeline.
Described blast tube two ends are welded with the flange to be connected with gas pipeline.
The stop nut is outer six square nuts；The stop nut internal thread is consistent with flow controller outer wall thread；It is described
Stop nut is used for fixed restriction device.
It is a kind of for the adjustable of V-type integration gas engine proportional mixer gas pipeline that the utility model is provided
Choke valve when in use, first opens seal cap 4 with spanner, then unclamps stop nut 3 with spanner, is then rotated with inner hexagon spanner
Flow controller 2, makes flow controller 2 be moved up and down in the vertical channel of valve body 1 so as to adjust gas flow.Treat flow controller 2 adjust to
Behind suitable position, flow controller 2 is blocked with inner hexagon spanner, and stop nut 3 is tightened with fork spanner, finally screwed up with a wrench close
Sealing cap.
It is a kind of for the adjustable of V-type integration gas engine proportional mixer gas pipeline that the utility model is provided
Choke valve, on proportional mixer gas pipeline, is adjusted according to engine operating load；The choke valve is used
The method that stop nut 3 locks flow controller 2, makes the position of flow controller 2 not change because of external factor such as engine luggines, protects
The stability of throttling is demonstrate,proved；The choke valve can meet the section of V-type integration gas engine proportional mixer gas pipeline
Stream demand.
Embodiment described above, simply one kind of the utility model more preferably specific embodiment, the skill of this area
The usual variations and alternatives that art personnel are carried out in the range of technical solutions of the utility model should all be included in guarantor of the present utility model
In the range of shield.
Claims (3)
1. a kind of gas engine adjustable throttling, it is characterised in that：The valve body of the adjustable throttling（1）Including with combustion gas
The T-valve body that the straight-through straight-through body of passage and the vertical body set perpendicular to straight-through body are constituted；Valve body（1）The axle of the straight-through body
There is the manhole passed through to combustion gas to center, and described manhole constitutes blast tube；The blast tube
Two ends are connected with gas pipeline；Valve body（1）Cylinder with manhole centered on described vertical body, and cylinder is outer
There is external screw thread on wall；The manhole that the manhole that vertical body center has has with straight-through body center is connected
It is logical；The internal face of the manhole that vertical body center has has internal thread；In the manhole that vertical body center has
It is provided with the flow controller being threadedly coupled with it（2）；Described flow controller（2）For head is the cylinder of semiglobe；The section
Stream device（2）Head be located in the manhole that has of vertical body center, and the circle that can have at vertical body center is logical
Hole moves up and down the gas circulation area for changing blast tube on valve body；The afterbody of the flow controller stretches out described valve body, and
By stop nut（3）It is fixed；The flow controller（2）Afterbody center processing in hexagonal groove；Described adjustable throttling also sets
It is equipped with seal cap（4）；Described seal cap（4）Be one end closing cylinder-like structure, and seal cap openend inwall mask
There is the internal thread matched somebody with somebody with the external screw thread kiss in vertical body outside wall surface described in valve body；The seal cap is installed on valve body vertical channel
On, and in the seal cap（4）With valve body（1）Between sealing gasket is installed（5）；The top of the blind end of the seal cap is outer six
Square structure.
2. a kind of gas engine adjustable throttling as claimed in claim 1, it is characterised in that：The two of the blast tube
End is machined with the screw thread to be connected with gas pipeline.
3. a kind of gas engine adjustable throttling as claimed in claim 1, it is characterised in that：Described blast tube two
End is welded with the flange to be connected with gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102299.2U CN206206672U (en) | 2016-10-08 | 2016-10-08 | A kind of gas engine adjustable throttling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102299.2U CN206206672U (en) | 2016-10-08 | 2016-10-08 | A kind of gas engine adjustable throttling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206672U true CN206206672U (en) | 2017-05-31 |
Family
ID=58762051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621102299.2U Expired - Fee Related CN206206672U (en) | 2016-10-08 | 2016-10-08 | A kind of gas engine adjustable throttling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206672U (en) |
-
2016
- 2016-10-08 CN CN201621102299.2U patent/CN206206672U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |