CN104989558A - Double-layer pipe joint for engine gas supply system - Google Patents
Double-layer pipe joint for engine gas supply system Download PDFInfo
- Publication number
- CN104989558A CN104989558A CN201510405065.9A CN201510405065A CN104989558A CN 104989558 A CN104989558 A CN 104989558A CN 201510405065 A CN201510405065 A CN 201510405065A CN 104989558 A CN104989558 A CN 104989558A
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- Prior art keywords
- double
- interior pipe
- gas supply
- supply system
- flange
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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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- Branch Pipes, Bends, And The Like (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a double-layer pipe joint for an engine gas supply system. The double-layer pipe joint for the engine gas supply system comprises an outer pipe, an inner pipe and a flange. The upper section of the inner pipe is arranged in an inner cavity of the outer pipe to form a ventilation interlayer. The flange comprises a flange plate and an inner pipe sleeve. An inner pipe penetrating hole is formed in the center of the flange plate. An outer pipe welding groove is formed in the upper end of the inner pipe penetrating hole. The lower section of the inner pipe is inserted in the inner pipe penetrating hole to form a ventilation gap. The ventilation interlayer is communicated with the ventilation gap. Multiple vent holes are formed in the peripheral side of the upper side of the inner pipe sleeve at intervals and communicated with the ventilation gap. By the adoption of the double-layer pipe joint for the engine gas supply system, the vent holes communicated with the ventilation interlayer of a double-layer pipe are formed in the peripheral side of the flange, the installation positions of the double-layer pipe joint are reduced, a double sealing structure of a gasket and an O-shaped ring is adopted in the double-layer pipe joint, and sealing performance is good.
Description
Technical field
The present invention relates to the gas supply system field of dual-layer wall peculiar to vessel protection, particularly a kind of Double-layer frame joint of engine gas supply system.
Background technique
The gas supply system pipeline of existing gas engine generally uses mono-layer tube, in order to improve the Security of pipeline, in gas engine peculiar to vessel, bimetallic tube need be used, interior pipe leads to combustion gas, outer tube and ventilation system UNICOM, when interior tracheal rupture or poorly sealed time, gas leakage enters outer tube, and flows to safety zone with ventilation system.
The Double-layer frame joint of existing double-deck fuel gas pipeline adopts bimetallic tube and flange (two O type circle) to be welded to connect, and wherein, flange circumference is laid with multiple vent be communicated with the ventilation interlayer of bimetallic tube.Shortcoming: size is large, and take very large mounting point, caliber is too little inapplicable, and the sealing of bimetallic tube joint is bad.Bimetallic tube and flange welding difficulty (must first weld interior pipe, then weld outer tube), outer tube requires that diameter is larger.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of Double-layer frame joint of simple and reasonable engine gas supply system, the good airproof performance of the Double-layer frame joint of this engine gas supply system, and facilitate welding operation.
For achieving the above object, the invention provides a kind of Double-layer frame joint of engine gas supply system, the Double-layer frame joint of this engine gas supply system comprises: outer tube; Interior pipe, its epimere is arranged on the inner chamber of described outer tube, forms ventilation interlayer; And flange, it comprises: flanged plate and interior pipe box cylinder, and the central authorities of this flanged plate offer inner perforated tube, and the upper end of inner perforated tube has outer tube welding groove, and the hypomere of described interior pipe inserts this inner perforated tube and forms airspace; Described ventilation interlayer is communicated with this airspace, and the upside of described interior pipe box cylinder week, side was spaced apart is provided with multiple vent, and this vent is communicated with described airspace.
Preferably, in technique scheme, flanged plate is rhombic plate.
Preferably, in technique scheme, the two ends of rhombic plate offered nail respectively.
Preferably, in technique scheme, the downside week side of interior pipe box cylinder offers O type ring recess.
Preferably, in technique scheme, outer tube inserts described outer tube welding groove, and continue after described interior pipe inserts described inner perforated tube to stretch into interior pipe box cylinder, described interior pipe welds from the lower end of flange, and described outer tube welds from the upper end of flange.
Compared with prior art, the present invention has following beneficial effect: the vent that the Double-layer frame joint of this engine gas supply system is communicated with the ventilation interlayer of bimetallic tube is opened in flange week side, decrease the mounting point of this Double-layer frame joint, and this Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.In addition, the interior pipe of the Double-layer frame joint of this engine gas supply system is from the welding of flange lower end, and outer tube, from the welding of flange upper end, is all open area, facilitates welding operation.
Accompanying drawing explanation
Fig. 1 is the perspective view of the Double-layer frame joint of engine gas supply system of the present invention.
Fig. 2 is the sectional structure schematic diagram of the Double-layer frame joint of engine gas supply system of the present invention.
Fig. 3 is the using state structural representation of the Double-layer frame joint of engine gas supply system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As depicted in figs. 1 and 2, concrete structure according to the Double-layer frame joint of the engine gas supply system of the specific embodiment of the invention comprises: outer tube 1, interior pipe 3, and connect the flange 2 of this outer tube 1 and interior pipe 3, wherein, outer tube 1 and interior pipe 3 are formed with ventilation interlayer, and interior pipe 3 welds from the lower end of flange 2, and outer tube 1 welds from the upper end of flange 2, be all open area, facilitate welding operation.All sides of flange 2 offer the vent be communicated with the ventilation interlayer of bimetallic tube, decrease the mounting point of this Double-layer frame joint, and this Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.
Specifically, interior pipe 3 is arranged on the inner chamber of outer tube 1, and forms interlayer of ventilating between interior pipe 3 and outer tube 1, and interior pipe leads to combustion gas, when interior tracheal rupture or poorly sealed time, combustion gas can flow ventilation interlayer, and is directed to safety zone with ventilation system.
Flange 2 comprises: rhombic plate and interior pipe box cylinder 8, and wherein, the two ends of this rhombic plate offered nail 4 respectively, connects compress for construction bolt.The central authorities of rhombic plate offer inner perforated tube, and the upper end of inner perforated tube has outer tube welding groove, and when outer tube 1, interior pipe 3 are connected with flange 2, interior pipe 3 inserts inner perforated tube, forms airspace between the outside of interior pipe 3 and inner perforated tube; The ventilation interlayer that outer tube 1 and interior pipe 3 are formed is communicated with the airspace formed between interior pipe 3 and inner perforated tube.The upside week of interior pipe box cylinder, side was spaced apart is provided with multiple vent 5, all sides, downside offer O type ring recess 6, vent 5 is communicated with the airspace formed between interior pipe 3 and inner perforated tube, thus guide ventilation interlayer into ventilation system, when interior tracheal rupture or poorly sealed time, combustion gas can flow ventilation interlayer, then enters ventilation system by vent 5 and be directed to safety zone.
Outer tube 1 inserts outer tube welding groove, continues to stretch into interior pipe box cylinder after interior pipe 3 inserts inner perforated tube, and interior pipe 3 welds from the lower end of flange 2, and outer tube 1 welds from the upper end of flange 2, is all open area, facilitates welding operation.
As shown in Figure 3, during use, this Double-layer frame joint inserts connected element by the interior pipe box cylinder of flange 2, and end face of flange is sealed (flanged surface) by pad 7, prevents ventilating layer air leak.O type circle is set in O type ring recess 6 and carries out radial seal, prevent gas leakage, ensure that combustion gas is only flowed at interior pipe.This Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.
To sum up, the vent that the Double-layer frame joint of this engine gas supply system is communicated with the ventilation interlayer of bimetallic tube is opened in flange week side, decrease the mounting point of this Double-layer frame joint, and this Double-layer frame joint adopts the double sealing structure of pad, O type circle, good airproof performance.In addition, the interior pipe of the Double-layer frame joint of this engine gas supply system is from the welding of flange lower end, and outer tube, from the welding of flange upper end, is all open area, facilitates welding operation.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (5)
1. a Double-layer frame joint for engine gas supply system, is characterized in that, comprising:
Outer tube;
Interior pipe, its epimere is arranged on the inner chamber of described outer tube, forms ventilation interlayer; And
Flange, it comprises: flanged plate and interior pipe box cylinder, and the central authorities of this flanged plate offer inner perforated tube, and the upper end of inner perforated tube has outer tube welding groove, and the hypomere of described interior pipe inserts this inner perforated tube and forms airspace; Described ventilation interlayer is communicated with this airspace, and the upside of described interior pipe box cylinder week, side was spaced apart is provided with multiple vent, and this vent is communicated with described airspace.
2. the Double-layer frame joint of engine gas supply system according to claim 1, is characterized in that, described flanged plate is rhombic plate.
3. the Double-layer frame joint of engine gas supply system according to claim 2, is characterized in that, the two ends of described rhombic plate offered nail respectively.
4. the Double-layer frame joint of engine gas supply system according to claim 1, is characterized in that, the downside week side of described interior pipe box cylinder offers O type ring recess.
5. the Double-layer frame joint of engine gas supply system according to claim 1, it is characterized in that, described outer tube inserts described outer tube welding groove, continue after described interior pipe inserts described inner perforated tube to stretch into interior pipe box cylinder, described interior pipe welds from the lower end of flange, and described outer tube welds from the upper end of flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405065.9A CN104989558B (en) | 2015-07-10 | 2015-07-10 | The Double-layer frame joint of engine gas feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405065.9A CN104989558B (en) | 2015-07-10 | 2015-07-10 | The Double-layer frame joint of engine gas feed system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104989558A true CN104989558A (en) | 2015-10-21 |
| CN104989558B CN104989558B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510405065.9A Active CN104989558B (en) | 2015-07-10 | 2015-07-10 | The Double-layer frame joint of engine gas feed system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604742A (en) * | 2016-03-29 | 2016-05-25 | 成都科力夫科技有限公司 | Combustible gas injection system for dual-fuel locomotive |
| CN105649821A (en) * | 2016-03-29 | 2016-06-08 | 成都科力夫科技有限公司 | Jet auxiliary control system of dual-fuel automobile |
| CN105673262A (en) * | 2016-03-29 | 2016-06-15 | 成都科力夫科技有限公司 | Supply gas pre-heating method for dual-fuel automobiles |
| CN105673261A (en) * | 2016-03-29 | 2016-06-15 | 成都科力夫科技有限公司 | Fuel gas supply heating method for dual-fuel automobiles |
| CN105781800A (en) * | 2016-03-29 | 2016-07-20 | 成都科力夫科技有限公司 | Gas injection system of dual-fuel locomotive engine |
| CN105781802A (en) * | 2016-03-29 | 2016-07-20 | 成都科力夫科技有限公司 | Air jet adjusting and control method of double-fuel engine |
| CN105804891A (en) * | 2016-03-29 | 2016-07-27 | 成都科力夫科技有限公司 | Fuel gas jetting control method of double-fuel locomotive |
| CN105822461A (en) * | 2016-03-29 | 2016-08-03 | 成都科力夫科技有限公司 | Fuel gas injection method for dual-fuel vehicle |
| CN105840345A (en) * | 2016-03-29 | 2016-08-10 | 成都科力夫科技有限公司 | Fuel gas supply method of double-fuel locomotive |
| CN107131079A (en) * | 2017-07-05 | 2017-09-05 | 广西玉柴机器股份有限公司 | A kind of gas engine supply bimetallic tube |
| CN108474323A (en) * | 2016-01-12 | 2018-08-31 | 瓦锡兰芬兰有限公司 | Fuel gas manifold component, internal combustion piston engine and the method for manufacturing fuel gas manifold component |
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| CN203783759U (en) * | 2014-03-21 | 2014-08-20 | 富地红华动力（武汉）有限责任公司 | Gas circuit device for dual-fuel engine of ship |
| CN104533665A (en) * | 2014-12-19 | 2015-04-22 | 重庆普什机械有限责任公司 | Fuel gas inlet branch pipe sealing structure for double-fuel engine |
| CN204738889U (en) * | 2015-07-10 | 2015-11-04 | 广西玉柴机器股份有限公司 | Double tube of engine fuel gas supply system connects |
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2015
- 2015-07-10 CN CN201510405065.9A patent/CN104989558B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203783759U (en) * | 2014-03-21 | 2014-08-20 | 富地红华动力（武汉）有限责任公司 | Gas circuit device for dual-fuel engine of ship |
| CN104533665A (en) * | 2014-12-19 | 2015-04-22 | 重庆普什机械有限责任公司 | Fuel gas inlet branch pipe sealing structure for double-fuel engine |
| CN204738889U (en) * | 2015-07-10 | 2015-11-04 | 广西玉柴机器股份有限公司 | Double tube of engine fuel gas supply system connects |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108474323A (en) * | 2016-01-12 | 2018-08-31 | 瓦锡兰芬兰有限公司 | Fuel gas manifold component, internal combustion piston engine and the method for manufacturing fuel gas manifold component |
| CN108474323B (en) * | 2016-01-12 | 2020-08-21 | 瓦锡兰芬兰有限公司 | Fuel gas manifold assembly, method of manufacturing the same, and internal combustion piston engine |
| CN105604742A (en) * | 2016-03-29 | 2016-05-25 | 成都科力夫科技有限公司 | Combustible gas injection system for dual-fuel locomotive |
| CN105649821A (en) * | 2016-03-29 | 2016-06-08 | 成都科力夫科技有限公司 | Jet auxiliary control system of dual-fuel automobile |
| CN105673262A (en) * | 2016-03-29 | 2016-06-15 | 成都科力夫科技有限公司 | Supply gas pre-heating method for dual-fuel automobiles |
| CN105673261A (en) * | 2016-03-29 | 2016-06-15 | 成都科力夫科技有限公司 | Fuel gas supply heating method for dual-fuel automobiles |
| CN105781800A (en) * | 2016-03-29 | 2016-07-20 | 成都科力夫科技有限公司 | Gas injection system of dual-fuel locomotive engine |
| CN105781802A (en) * | 2016-03-29 | 2016-07-20 | 成都科力夫科技有限公司 | Air jet adjusting and control method of double-fuel engine |
| CN105804891A (en) * | 2016-03-29 | 2016-07-27 | 成都科力夫科技有限公司 | Fuel gas jetting control method of double-fuel locomotive |
| CN105822461A (en) * | 2016-03-29 | 2016-08-03 | 成都科力夫科技有限公司 | Fuel gas injection method for dual-fuel vehicle |
| CN105840345A (en) * | 2016-03-29 | 2016-08-10 | 成都科力夫科技有限公司 | Fuel gas supply method of double-fuel locomotive |
| CN107131079A (en) * | 2017-07-05 | 2017-09-05 | 广西玉柴机器股份有限公司 | A kind of gas engine supply bimetallic tube |
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| CN104989558B (en) | 2019-03-15 |
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Effective date of registration: 20230104 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |