CN202203013U - Common rail pipe of gas engine - Google Patents
Common rail pipe of gas engine Download PDFInfo
- Publication number
- CN202203013U CN202203013U CN2011202836645U CN201120283664U CN202203013U CN 202203013 U CN202203013 U CN 202203013U CN 2011202836645 U CN2011202836645 U CN 2011202836645U CN 201120283664 U CN201120283664 U CN 201120283664U CN 202203013 U CN202203013 U CN 202203013U
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- CN
- China
- Prior art keywords
- common rail
- combustion gas
- rail pipe
- house steward
- gas
- 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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Abstract
The utility model discloses a common rail pipe of a gas engine, comprising a circularly tubular gas header pipe, wherein one end of the gas header pipe is a sensor mounting opening for mounting a sensor, while the other end thereof is a gas inlet/outlet opening; a plurality of gas branch pipes arranged in a straight line are arranged on the gas header pipe; the gas branch pipes are circular tubes communicated with the gas header pipe; more than two connecting elements for fixing the common rail pipe are arranged on one side opposite to the gas branch pipes on the gas header pipe; and a mounting base for assembling the common rail pipe is arranged between the gas branch pipes. The common rail pipe of the gas engine is simple and compact in structure and good in manufacturability, and also good in reliability and smooth in gas flowing, because the plurality of gas branch pipes are arranged on the gas header pipe.
Description
Technical field
The utility model relates to the gas engine technical field, relates to a kind of gas engine common rail pipe in particular.
Background technique
For a long time, the gas engine on the market generally adopts automatically controlled pressure regulation to come control air and gas quantity, and then makes sky-combustion inflammable mixture get into cylinder, the tissue burning.At present; Through to the optimization and upgrading of gas engine control system; Release automatically controlled single-point discharge system and come more accurately control air and gas quantity, based on the working principle of single-point discharge system, in conjunction with different motor charge demand different features; Must have a covering device to guarantee the durable reliable combustion gas input of single-point ejecting system, output, this covering device is a common rail pipe.The present domestic development phase that is in of the application of common rail pipe on the single-point discharge control system; Because the single-point discharge system is very high to the sealing requirements of combustion gas; Require simultaneously common rail pipe, to circulate smooth and easy from the combustion gas of single-point discharge system ejection; Moreover common rail pipe will bear very high pressure, these factors cause common rail pipe in design and in making degree-of-difficulty factor improve greatly.And good sealing property is to weigh a major criterion of common rail pipe; Need more advanced process equipment and processing technology to make common rail pipe; Make it that lifting of matter arranged at aspects such as conformity, roughness control, anti-exhaust gas corrosion, outward appearance, quality, therefore, in conjunction with whole single-point discharge system; Require common rail pipe compact structure, good manufacturability, reliability high, elegant in appearance etc., this is the difficult point of whole design, making.
The model utility content
The utility model provides a kind of gas engine common rail pipe, on a main pipe, is provided with a plurality of manifolds, compactness not only simple for structure, and good manufacturability, and also good reliability, fuel gas flow are unobstructed.
The utility model is to adopt following technological scheme to realize above-mentioned purpose: a kind of gas engine common rail pipe; It is characterized in that; The combustion gas house steward who comprises a pipe shape, this combustion gas house steward's a end is the sensor mount inlet that is used for sensor installation, the other end is the combustion gas gateway; On this combustion gas house steward, be provided with a plurality of fuel manifold that are arranged in straight line; This fuel manifold for and the vertical pipe that communicates of combustion gas house steward, on the combustion gas house steward, be provided with the plural link that is used for fixing said common rail pipe with the opposing side of fuel manifold, between fuel manifold, be provided with the fitting seat that is used to assemble said common rail pipe.
As further specifying of such scheme:
Preferably, the pore of said fuel manifold is a shoulder hole, and the smaller diameter portion of this shoulder hole communicates with the combustion gas house steward, is provided with chamfering than major diameter port partly.
Preferably, said link is for vertically being located at the platy structure on the combustion gas house steward, and this link is provided with tapped hole or bolt via hole.
Preferably, be provided with deep floor between said two adjacent fuel manifold.
Preferably, the platy structure of said fitting seat for extending to combustion gas house steward both sides by deep floor, the two ends of this fitting seat are provided with tapped hole or bolt via hole.
Preferably, be provided with stiffening rib between said fitting seat and the fuel manifold.
Preferably, said sensor mount inlet is the tapped hole that internal diameter equals combustion gas house steward diameter.
Preferably, said combustion gas gateway is the tapped hole of internal diameter greater than combustion gas house steward diameter.
The beneficial effect that the utility model adopts above technological scheme to reach is: the described gas engine common rail pipe of the utility model is not only simple for structure, processing technology simple, low cost of manufacture; And reliability is high, unobstructed with good sealing effect, the fuel gas flow of single-point discharge attachment portion, is well positioned to meet the usage requirement of domestic gas engine single point ejecting system.
Description of drawings
Fig. 1 is the schematic perspective view of the said common rail pipe of the utility model;
Fig. 2 is the plan view of the said common rail pipe of the utility model;
Fig. 3 is the left view of the said common rail pipe of the utility model;
Fig. 4 is the worm's eye view of the said common rail pipe of the utility model;
Fig. 5 is the sectional view B-B of the said common rail pipe of Fig. 4;
Fig. 6 is the sectional view A-A of the said common rail pipe of Fig. 4.
Description of reference numerals:
1-combustion gas house steward, 2-combustion gas gateway, 3-sensor mount inlet, 4-fuel manifold, 5-link, 6-fitting seat, 7-deep floor.
Embodiment
For further setting forth the 26S Proteasome Structure and Function of the utility model, below in conjunction with accompanying drawing and preferred embodiment the utility model is elaborated, but the protection domain that is to be understood that the utility model does not receive the restriction of embodiment.
Fig. 1 to Fig. 4 is respectively the external structure schematic representation of the said gas engine common rail pipe of the utility model; Comprise schematic perspective view, plan view, Left elevation and bottom view; Shown in figure; As long as the described common rail pipe of the utility model comprises combustion gas house steward 1 and four fuel manifold 4 of a pipe shape, an end of this combustion gas house steward 1 is the sensor mount inlet 3 that is used for sensor installation, and the other end is combustion gas gateway 2; These four fuel manifold 4 on this combustion gas house steward 1, be arranged in straight line and with combustion gas house steward 1 vertical communicating; On combustion gas house steward 1, be provided with two the link that is used for fixing common rail pipe 5 with fuel manifold 4 opposing sides, this link 5 is provided with the bolt via hole for vertically being located at the platy structure on the combustion gas house steward 1 on link 5.Be provided with deep floor 7 between two adjacent fuel manifold 4; On deep floor 7, be provided with the fitting seat 6 that is used to assemble said common rail pipe; The platy structure of this fitting seat 6 for extending to combustion gas house steward 1 both sides by deep floor 7; Be provided with the bolt via hole at the two ends of fitting seat 6, between fitting seat 6 and fuel manifold 4, be provided with stiffening rib.
Fig. 5 and Fig. 6 are respectively the longitudinal section and the cross-sectional figure of the said gas engine common rail pipe of the utility model; Shown in figure; Sensor mount inlet 3 equals the tapped hole of combustion gas house steward 1 diameter for internal diameter; Combustion gas gateway 2 is slightly larger than the tapped hole of combustion gas house steward 1 diameter for internal diameter, on the port of sensor mount inlet 3 and combustion gas gateway 2, is equipped with chamfering.The pore of fuel manifold 4 is a shoulder hole, and the smaller diameter portion of this shoulder hole communicates with combustion gas house steward 1, also is provided with chamfering than major diameter port partly.
The described gas engine common rail pipe of the utility model need be used in use in pairs, and one of them is as combustion gas air inlet common rail pipe; Another is as the combustion gas common rail pipe of giving vent to anger, during assembling, with the fuel manifold 4 of two common rail pipes relatively and clamp the gas metering valve; Pass bolt via hole corresponding on the fitting seat 6 with bolt again; Two common rail pipes are coupled together, and for the sensor mount inlet 3 of two common rail pipes, the sensor mount inlet 3 of combustion gas air inlet common rail pipe can be installed the fuel gas temperature pressure transducer; The sensor mount inlet 3 of common rail pipe is given vent to anger in combustion gas can plug, also the fuel gas temperature pressure transducer can be installed.Combustion gas flows into from the combustion gas gateway 2 of a common rail pipe, flows out from fuel manifold 4, through getting into the fuel manifold 4 of another common rail pipe behind the gas metering valve, is flowed out by the combustion gas gateway 2 of this common rail pipe then.
Be merely one of the utility model preferred embodiment shown in the utility model the foregoing description and the accompanying drawing; Can not limit to the utility model with this; Under the condition that does not break away from the utility model marrow, any change that those skilled in the art did all belongs to the protection domain of the utility model.
Claims (8)
1. gas engine common rail pipe; It is characterized in that; The combustion gas house steward who comprises a pipe shape, this combustion gas house steward's a end is the sensor mount inlet that is used for sensor installation, the other end is the combustion gas gateway; On this combustion gas house steward, be provided with a plurality of fuel manifold that are arranged in straight line; This fuel manifold for and the vertical pipe that communicates of combustion gas house steward, on the combustion gas house steward, be provided with the plural link that is used for fixing said common rail pipe with the opposing side of fuel manifold, between fuel manifold, be provided with the fitting seat that is used to assemble said common rail pipe.
2. gas engine common rail pipe according to claim 1 is characterized in that, the pore of said fuel manifold is a shoulder hole, and the smaller diameter portion of this shoulder hole communicates with the combustion gas house steward, is provided with chamfering than major diameter port partly.
3. gas engine common rail pipe according to claim 1 and 2 is characterized in that, said link is for vertically being located at the platy structure on the combustion gas house steward, and this link is provided with tapped hole or bolt via hole.
4. gas engine common rail pipe according to claim 1 and 2 is characterized in that, is provided with deep floor between said two adjacent fuel manifold.
5. gas engine common rail pipe according to claim 4 is characterized in that, the platy structure of said fitting seat for extending to combustion gas house steward both sides by deep floor, and the two ends of this fitting seat are provided with tapped hole or bolt via hole.
6. gas engine common rail pipe according to claim 5 is characterized in that, is provided with stiffening rib between said fitting seat and the fuel manifold.
7. gas engine common rail pipe according to claim 1 and 2 is characterized in that, said sensor mount inlet is the tapped hole that internal diameter equals combustion gas house steward diameter.
8. gas engine common rail pipe according to claim 7 is characterized in that, said combustion gas gateway is the tapped hole of internal diameter greater than combustion gas house steward diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202836645U CN202203013U (en) | 2011-08-05 | 2011-08-05 | Common rail pipe of gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202836645U CN202203013U (en) | 2011-08-05 | 2011-08-05 | Common rail pipe of gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203013U true CN202203013U (en) | 2012-04-25 |
Family
ID=45967136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202836645U Expired - Fee Related CN202203013U (en) | 2011-08-05 | 2011-08-05 | Common rail pipe of gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913358A (en) * | 2011-08-05 | 2013-02-06 | 广西玉柴机器股份有限公司 | Common-rail pipe of gas engine |
| CN103670839A (en) * | 2012-09-17 | 2014-03-26 | 广西玉柴机器股份有限公司 | Gas incoming pipe of dual-fuel diesel engine |
| CN104047785A (en) * | 2013-03-15 | 2014-09-17 | 广西玉柴机器股份有限公司 | Gas injector for multi-cylinder gas engine |
-
2011
- 2011-08-05 CN CN2011202836645U patent/CN202203013U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913358A (en) * | 2011-08-05 | 2013-02-06 | 广西玉柴机器股份有限公司 | Common-rail pipe of gas engine |
| CN103670839A (en) * | 2012-09-17 | 2014-03-26 | 广西玉柴机器股份有限公司 | Gas incoming pipe of dual-fuel diesel engine |
| CN104047785A (en) * | 2013-03-15 | 2014-09-17 | 广西玉柴机器股份有限公司 | Gas injector for multi-cylinder gas engine |
| CN104047785B (en) * | 2013-03-15 | 2016-12-28 | 广西玉柴机器股份有限公司 | Cylinder gas engine gas injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20180805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |