CN204344304U - A kind of novel binary adjustable convergence jet pipe - Google Patents
A kind of novel binary adjustable convergence jet pipe Download PDFInfo
- Publication number
- CN204344304U CN204344304U CN201420754524.5U CN201420754524U CN204344304U CN 204344304 U CN204344304 U CN 204344304U CN 201420754524 U CN201420754524 U CN 201420754524U CN 204344304 U CN204344304 U CN 204344304U
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- jet pipe
- convergence
- eddy flow
- flow leaf
- sidewall
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Abstract
A novel binary adjustable convergence jet pipe, comprises circle and turns square tube body, eddy flow leaf structure fixed plate, eddy flow leaf structure, sidewall, jet pipe outer cover, pressurized strut, linkage mechanism, convergence regulator plate; Wherein: circle turns square barrel front end and is connected with motor, as the supporting member of whole jet pipe; Convergence controlling mechanism is made up of pressurized strut, linkage mechanism and convergence regulator plate; Pressurized strut is arranged on sidewall, and front end is connected on sidewall outer wall by mechanical connection manner, and rear end is connected with linkage mechanism by revolute pair; Linkage mechanism is connected with stage casing outside convergence regulator plate by revolute pair; Pressurized strut is stretched and is completed the adjustment of discharge area by linkage mechanism drive convergence regulator plate.Advantage of the present utility model: ensure conventional two-dimensional nozzle throat area regulation range, there is good stealth capabilities, make up traditional binary adjustable convergence jet pipe and conventional binary plug adjustable convergence jet pipe defect, have the advantage that overall sizes is little, reliability is high simultaneously concurrently.
Description
Technical field
The utility model relates to aeroengine jet pipe field, particularly a kind of novel binary adjustable convergence jet pipe.
Background technique
Traditional aeroengine two-dimensional nozzle is hollow structure due to inside, effectively can not block, cause its stealth capabilities very weak to hot junction, front end component.Conventional binary plug adjustable convergence jet pipe is only add blocked center body at jet pipe center, and this kind of blocked center body cross-section area is comparatively large, has had a strong impact on the regulation range of nozzle throat area, thus has affected the operation point of motor; Aeroengine, for ensureing normal venturi regulation range, needs the physical dimension increasing jet pipe, causes the weight of jet pipe to increase.So the defect in order to make up traditional binary adjustable convergence jet pipe and conventional binary plug adjustable convergence jet pipe, a kind of novel binary adjustable convergence jet pipe need be designed.
Model utility content
The purpose of this utility model is to provide a kind of novel binary adjustable convergence jet pipe, ensure conventional two-dimensional nozzle throat area regulation range, make up traditional binary adjustable convergence jet pipe and conventional binary plug adjustable convergence jet pipe defect, spy provides a kind of novel binary adjustable convergence jet pipe.
The utility model provides a kind of novel binary adjustable convergence jet pipe, it is characterized in that: described novel binary adjustable convergence jet pipe, comprise circle and turn square tube body 1, eddy flow leaf structure fixed plate 2, eddy flow leaf structure 3, sidewall 4, jet pipe outer cover 5, pressurized strut 6, linkage mechanism 7, convergence regulator plate 8;
Wherein: circle turns square tube body 1 front end and is connected with motor, as the supporting member of whole jet pipe; Convergence controlling mechanism is made up of pressurized strut 6, linkage mechanism 7 and convergence regulator plate 8; Pressurized strut 6 is arranged on sidewall 4, and front end is connected on sidewall 4 outer wall by mechanical connection manner, and rear end is connected with linkage mechanism 7 by revolute pair; Linkage mechanism 7 is connected with stage casing outside convergence regulator plate 8 by revolute pair; Convergence regulator plate 8 front end is connected with eddy flow leaf structure fixed plate 2 by sphere chute; Pressurized strut 6 is flexible drives convergence regulator plate 8 to complete the adjustment of discharge area by linkage mechanism 7;
Eddy flow leaf structure 3 is positioned at jet pipe circle and turns square tube body 1 rear, along jet pipe circumferentially, be fixedly connected with sidewall 4 with eddy flow leaf structure fixed plate 2, front elevational sectional and rear end section become 30 ~ 60 ° of layouts in the circumferential, to make eddy flow leaf structure 3 can block motor head hot junction component, play stealthy function, strengthen inside and outside culvert Gas Mixing in Cross flow simultaneously, reduce exhaust spraying core area temperature, realize good stealthy function;
Sidewall 4 adopts and is fixedly connected with, and is mainly used in forming inner flow passage, fixes eddy flow leaf structure 3, jet pipe outer cover 5 simultaneously, and seals;
Jet pipe outer cover 5 is mainly used in the rectification of the outer sidewind of jet pipe and blocks the effect of high temperature convergence regulator plate; Jet pipe outer cover 5 is fixedly connected on sidewall 4.
Pressurized strut 6 is arranged on sidewall 4, symmetrical distribution, and quantity is 2.
Eddy flow leaf structure 3 outer mold surface is curved surface or plane, and its edge, front-end and back-end is sharp limit structure.
Eddy flow leaf structure 3 is hollow structure, and inside is connected with cooling air.
Block eddy flow leaf structure 3 side and can arrange cooling air film hole.
Jet pipe eddy flow leaf structure fixed plate 2, sidewall 4 are fixedly connected with mechanically with eddy flow leaf structure 3.
Advantage of the present utility model:
Novel binary adjustable convergence jet pipe described in the utility model, ensure conventional two-dimensional nozzle throat area regulation range, there is good stealth capabilities, make up traditional binary adjustable convergence jet pipe and conventional binary plug adjustable convergence jet pipe defect, have the advantage that overall sizes is little, reliability is high simultaneously concurrently.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is that novel binary adjustable convergence jet pipe is just waiting survey view;
Fig. 2 is novel binary adjustable convergence jet pipe sectional view;
Fig. 3 is novel binary adjustable convergence jet pipe rear view;
Fig. 4 is that novel binary adjustable convergence jet pipe eddy flow leaf structure fixed plate is connected partial enlarged drawing with convergence regulator plate sphere chute;
Fig. 5 is that novel binary adjustable convergence jet pipe eddy flow leaf structure circumference distribution just waits side view.
Embodiment
Embodiment 1
Present embodiments provide a kind of novel binary adjustable convergence jet pipe, it is characterized in that: described novel binary adjustable convergence jet pipe, comprise circle and turn square tube body 1, eddy flow leaf structure fixed plate 2, eddy flow leaf structure 3, sidewall 4, jet pipe outer cover 5, pressurized strut 6, linkage mechanism 7, convergence regulator plate 8;
Wherein: circle turns square tube body 1 front end and is connected with motor, as the supporting member of whole jet pipe; Convergence controlling mechanism is made up of pressurized strut 6, linkage mechanism 7 and convergence regulator plate 8; Pressurized strut 6 is arranged on sidewall 4, and front end is connected on sidewall 4 outer wall by mechanical connection manner, and rear end is connected with linkage mechanism 7 by revolute pair; Linkage mechanism 7 is connected with stage casing outside convergence regulator plate 8 by revolute pair; Convergence regulator plate 8 front end is connected with eddy flow leaf structure fixed plate 2 by sphere chute; Pressurized strut 6 is flexible drives convergence regulator plate 8 to complete the adjustment of discharge area by linkage mechanism 7;
Eddy flow leaf structure 3 is positioned at jet pipe circle and turns square tube body 1 rear, along jet pipe circumferentially, be fixedly connected with sidewall 4 with eddy flow leaf structure fixed plate 2, front elevational sectional and rear end section become 30 ~ 60 ° of layouts in the circumferential, to make eddy flow leaf structure 3 can block motor head hot junction component, play stealthy function, strengthen inside and outside culvert Gas Mixing in Cross flow simultaneously, reduce exhaust spraying core area temperature, realize good stealthy function;
Sidewall 4 adopts and is fixedly connected with, and is mainly used in forming inner flow passage, fixes eddy flow leaf structure 3, jet pipe outer cover 5 simultaneously, and seals;
Jet pipe outer cover 5 is mainly used in the rectification of the outer sidewind of jet pipe and blocks the effect of high temperature convergence regulator plate; Jet pipe outer cover 5 is fixedly connected on sidewall 4.
Pressurized strut 6 is arranged on sidewall 4, symmetrical distribution, and quantity is 2.
Eddy flow leaf structure 3 outer mold surface is curved surface or plane, and its edge, front-end and back-end is sharp limit structure.
Eddy flow leaf structure 3 is hollow structure, and inside is connected with cooling air.
Block eddy flow leaf structure 3 side and can arrange cooling air film hole.
Jet pipe eddy flow leaf structure fixed plate 2, sidewall 4 are fixedly connected with mechanically with eddy flow leaf structure 3.
Embodiment 2
Present embodiments provide a kind of novel binary adjustable convergence jet pipe, it is characterized in that: described novel binary adjustable convergence jet pipe, comprise circle and turn square tube body 1, eddy flow leaf structure fixed plate 2, eddy flow leaf structure 3, sidewall 4, jet pipe outer cover 5, pressurized strut 6, linkage mechanism 7, convergence regulator plate 8;
Wherein: circle turns square tube body 1 front end and is connected with motor, as the supporting member of whole jet pipe; Convergence controlling mechanism is made up of pressurized strut 6, linkage mechanism 7 and convergence regulator plate 8; Pressurized strut 6 is arranged on sidewall 4, and front end is connected on sidewall 4 outer wall by mechanical connection manner, and rear end is connected with linkage mechanism 7 by revolute pair; Linkage mechanism 7 is connected with stage casing outside convergence regulator plate 8 by revolute pair; Convergence regulator plate 8 front end is connected with eddy flow leaf structure fixed plate 2 by sphere chute; Pressurized strut 6 is flexible drives convergence regulator plate 8 to complete the adjustment of discharge area by linkage mechanism 7;
Eddy flow leaf structure 3 is positioned at jet pipe circle and turns square tube body 1 rear, along jet pipe circumferentially, be fixedly connected with sidewall 4 with eddy flow leaf structure fixed plate 2, front elevational sectional and rear end section become 30 ~ 60 ° of layouts in the circumferential, to make eddy flow leaf structure 3 can block motor head hot junction component, play stealthy function, strengthen inside and outside culvert Gas Mixing in Cross flow simultaneously, reduce exhaust spraying core area temperature, realize good stealthy function;
Sidewall 4 adopts and is fixedly connected with, and is mainly used in forming inner flow passage, fixes eddy flow leaf structure 3, jet pipe outer cover 5 simultaneously, and seals;
Jet pipe outer cover 5 is mainly used in the rectification of the outer sidewind of jet pipe and blocks the effect of high temperature convergence regulator plate; Jet pipe outer cover 5 is fixedly connected on sidewall 4.
Pressurized strut 6 is arranged on sidewall 4, symmetrical distribution, and quantity is 2.
Eddy flow leaf structure 3 outer mold surface is curved surface or plane, and its edge, front-end and back-end is sharp limit structure.
Jet pipe eddy flow leaf structure fixed plate 2, sidewall 4 are fixedly connected with mechanically with eddy flow leaf structure 3.
Embodiment 3
Present embodiments provide a kind of novel binary adjustable convergence jet pipe, it is characterized in that: described novel binary adjustable convergence jet pipe, comprise circle and turn square tube body 1, eddy flow leaf structure fixed plate 2, eddy flow leaf structure 3, sidewall 4, jet pipe outer cover 5, pressurized strut 6, linkage mechanism 7, convergence regulator plate 8;
Wherein: circle turns square tube body 1 front end and is connected with motor, as the supporting member of whole jet pipe; Convergence controlling mechanism is made up of pressurized strut 6, linkage mechanism 7 and convergence regulator plate 8; Pressurized strut 6 is arranged on sidewall 4, and front end is connected on sidewall 4 outer wall by mechanical connection manner, and rear end is connected with linkage mechanism 7 by revolute pair; Linkage mechanism 7 is connected with stage casing outside convergence regulator plate 8 by revolute pair; Convergence regulator plate 8 front end is connected with eddy flow leaf structure fixed plate 2 by sphere chute; Pressurized strut 6 is flexible drives convergence regulator plate 8 to complete the adjustment of discharge area by linkage mechanism 7;
Eddy flow leaf structure 3 is positioned at jet pipe circle and turns square tube body 1 rear, along jet pipe circumferentially, be fixedly connected with sidewall 4 with eddy flow leaf structure fixed plate 2, front elevational sectional and rear end section become 30 ~ 60 ° of layouts in the circumferential, to make eddy flow leaf structure 3 can block motor head hot junction component, play stealthy function, strengthen inside and outside culvert Gas Mixing in Cross flow simultaneously, reduce exhaust spraying core area temperature, realize good stealthy function;
Sidewall 4 adopts and is fixedly connected with, and is mainly used in forming inner flow passage, fixes eddy flow leaf structure 3, jet pipe outer cover 5 simultaneously, and seals;
Jet pipe outer cover 5 is mainly used in the rectification of the outer sidewind of jet pipe and blocks the effect of high temperature convergence regulator plate; Jet pipe outer cover 5 is fixedly connected on sidewall 4.
Eddy flow leaf structure 3 outer mold surface is curved surface or plane, and its edge, front-end and back-end is sharp limit structure.
Eddy flow leaf structure 3 is hollow structure, and inside is connected with cooling air.
Block eddy flow leaf structure 3 side and can arrange cooling air film hole.
Jet pipe eddy flow leaf structure fixed plate 2, sidewall 4 are fixedly connected with mechanically with eddy flow leaf structure 3.
Claims (6)
1. a novel binary adjustable convergence jet pipe, it is characterized in that: described novel binary adjustable convergence jet pipe, comprise circle and turn square tube body (1), eddy flow leaf structure fixed plate (2), eddy flow leaf structure (3), sidewall (4), jet pipe outer cover (5), pressurized strut (6), linkage mechanism (7), convergence regulator plate (8);
Wherein: circle turns square tube body (1) front end and is connected with motor, as the supporting member of whole jet pipe; Convergence controlling mechanism is made up of pressurized strut (6), linkage mechanism (7) and convergence regulator plate (8); Pressurized strut (6) is arranged on sidewall (4), and front end is connected on sidewall (4) outer wall by mechanical connection manner, and rear end is connected with linkage mechanism (7) by revolute pair; Linkage mechanism (7) is connected with stage casing, convergence regulator plate (8) outside by revolute pair; Convergence regulator plate (8) front end is connected with eddy flow leaf structure fixed plate (2) by sphere chute; Pressurized strut (6) is flexible drives convergence regulator plate (8) to complete the adjustment of discharge area by linkage mechanism (7);
Eddy flow leaf structure (3) is positioned at jet pipe circle and turns square tube body (1) rear, along jet pipe circumferentially, be fixedly connected with sidewall (4) with eddy flow leaf structure fixed plate (2), front elevational sectional and rear end section become 30 ~ 60 ° of layouts in the circumferential; Sidewall (4) adopts and is fixedly connected with, and fixes eddy flow leaf structure (3), jet pipe outer cover (5) simultaneously, and seals; Jet pipe outer cover (5) is fixedly connected on sidewall (4).
2. according to novel binary adjustable convergence jet pipe according to claim 1, it is characterized in that: pressurized strut (6) is arranged on sidewall (4), symmetrical distribution, and quantity is 2.
3. according to novel binary adjustable convergence jet pipe according to claim 1, it is characterized in that: eddy flow leaf structure (3) outer mold surface is curved surface or plane, its edge, front-end and back-end is sharp limit structure.
4., according to novel binary adjustable convergence jet pipe according to claim 1, it is characterized in that: eddy flow leaf structure (3) is hollow structure, and inside is connected with cooling air.
5. according to novel binary adjustable convergence jet pipe according to claim 1, it is characterized in that: block eddy flow leaf structure (3) side and can arrange cooling air film hole.
6. according to novel binary adjustable convergence jet pipe according to claim 1, it is characterized in that: jet pipe eddy flow leaf structure fixed plate (2), sidewall (4) are fixedly connected with mechanically with eddy flow leaf structure (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420754524.5U CN204344304U (en) | 2014-12-03 | 2014-12-03 | A kind of novel binary adjustable convergence jet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420754524.5U CN204344304U (en) | 2014-12-03 | 2014-12-03 | A kind of novel binary adjustable convergence jet pipe |
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| CN204344304U true CN204344304U (en) | 2015-05-20 |
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| CN201420754524.5U Expired - Fee Related CN204344304U (en) | 2014-12-03 | 2014-12-03 | A kind of novel binary adjustable convergence jet pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948343A (en) * | 2015-07-09 | 2015-09-30 | 中国航空工业集团公司沈阳发动机设计研究所 | Two-dimensional plug nozzle |
| CN105134408A (en) * | 2015-09-18 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Single-action system control mechanism for two-dimensional plug type spraying pipe |
| CN105240158A (en) * | 2015-09-18 | 2016-01-13 | 中国航空工业集团公司沈阳发动机设计研究所 | Two-dimensional plug nozzle with thrust reversing function |
-
2014
- 2014-12-03 CN CN201420754524.5U patent/CN204344304U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948343A (en) * | 2015-07-09 | 2015-09-30 | 中国航空工业集团公司沈阳发动机设计研究所 | Two-dimensional plug nozzle |
| CN105134408A (en) * | 2015-09-18 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Single-action system control mechanism for two-dimensional plug type spraying pipe |
| CN105240158A (en) * | 2015-09-18 | 2016-01-13 | 中国航空工业集团公司沈阳发动机设计研究所 | Two-dimensional plug nozzle with thrust reversing function |
| CN105240158B (en) * | 2015-09-18 | 2017-09-22 | 中国航空工业集团公司沈阳发动机设计研究所 | It is a kind of that there is the anti-binary plug nozzle for pushing away function |
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| 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: 20150520 Termination date: 20151203 |
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| EXPY | Termination of patent right or utility model |