CN202674615U - Double curve spherical surface inner conical pipe sealing structure - Google Patents
Double curve spherical surface inner conical pipe sealing structure Download PDFInfo
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- CN202674615U CN202674615U CN 201120472214 CN201120472214U CN202674615U CN 202674615 U CN202674615 U CN 202674615U CN 201120472214 CN201120472214 CN 201120472214 CN 201120472214 U CN201120472214 U CN 201120472214U CN 202674615 U CN202674615 U CN 202674615U
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- joint
- sealing structure
- sealing
- inner conical
- hyperbola
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Abstract
A double curve spherical surface inner conical pipe sealing structure is characterized by comprising an outer conical joint, an inner conical joint, an captive nut, a guide pipe, and a guide pipe; wherein, the outer conical joint is in a matched connection with the inner conical joint, the other end of the outer conical joint is in a welding joint with the guide pipe, the other end of the inner conical joint is in a welding joint with the guide pipe; the captive nut is at one end of the inner conical joint in the pipeline, and is in a fastening cooperation with external screw threads of the outer conical joint via internal screw threads, and the whole forms the inner conical double curve spherical surface pipeline sealing structure. The double curve spherical surface inner conical pipe sealing structure is designed for controlling the weight of the pipeline sealing structure of an aircraft engine, and guaranteeing structure sealing performance. The structure is advantaged by lighter weight and better sealing performance. During work of the pipeline, the sealing structure is provided with low rate of oil leakage and good maintenance; also, a pipeline joint can perform reliable sealing under the condition of a certain angle in installation process; also the design of spherical surface is adopted for the inner conical surface, and the sealing structure is provided with better repairabiliy.
Description
Technical field
The utility model relates to the aeroengine field, provides especially a kind of for the novel hyperbola sphere of aeroengine inner cone pipe sealing structure.
Background technique
At present, the development trend of advanced aero engine is to improve constantly thrust weight ratio both at home and abroad, require simultaneously part reliability, maintainability higher, and improve the motor thrust weight ratio the most effectively one of means to be component satisfying outside function and other require, reduce to greatest extent weight.
Aeroengine pipeline is used for the transmission of fluid (fuel oil, lubricating oil), gas (air, combustion gas), and the weight of pipeline will guarantee the sealability of pipeline in control.Domestic motor caliber mainly adopts spherical linear sealing structure, cone match profile sealing configuration less than the pipeline of φ 20.Wherein cone match profile sealing configuration weight is lighter, but sealing effect is relatively poor, and assembly precision requires high, sealing surface after impaired, the difficult reparation.
For above present situation, need a kind of novel aeroengine hyperbola sphere inner cone pipe sealing structure of design, when alleviating pipe weight, guarantee the sealing reliability of pipeline, improve the assembling of pipeline, reparation property.
The model utility content
The purpose of this utility model is the deficiency that overcomes existing pipe sealing structure, provides especially a kind of for aeroengine hyperbola sphere inner cone pipe sealing structure.
The utility model provides a kind of hyperbola sphere inner cone pipe sealing structure, it is characterized in that: comprise outside cone joint 1, interior taper joint 2, caption nut 3, the first conduit 4, the second conduit 5;
Wherein: outside cone joint 1 is connected with interior taper joint 2, outside cone joint 1 the other end and 4 welding of the first conduit, interior taper joint 2 the other ends and 5 welding of the second conduit; Caption nut 3 in pipeline 4 in taper joint 2 one ends, tighten with outside cone joint 1 outside thread by internal thread and to cooperate, play the effect of external cone joint 1 and interior taper joint 2 fixing seals.Whole formation inner cone hyperbola sphere pipe sealing structure.
Outside cone joint 1 adopts 74 ° of outer wimble structures.
Hyperbola sphere in the interior taper joint 2 cooperates with 74 ° of outer cones in the outside cone joint 1 and forms potted line, plays the seal action to 2 connecting pipelines.
In outside cone joint 1 and interior taper joint 2 assembly processes, exist when eccentric, but effective sealing still.
Be applicable to being tightly connected of the identical pipeline of caliber and being tightly connected of the different pipelines of caliber.
In the described inner cone hyperbola ball face sealing structure: outside cone joint 1 adopts 74 ° of outer wimble structures, interior taper joint 2 fitting surfaces adopt the hyperbola sphere, by the distance of size RB control inner cone hyperbola sphere apart from the axle center, by size RSA control spherical radius, the sealing station that cooperates with interior taper joint 2 by size C control outside cone joint 1 simultaneously, the effective sealing of assurance novel sealing structure.Wherein outside cone joint 1 surface Machining has outside thread, and new structure is implemented certain screw-down torque by the outside thread of internal thread in the caption nut 3 and outside cone joint 1 to Sealing, thereby realizes the sealing of engine pipelines.Pipeline structure with respect to equivalent diameter, hyperbola sphere inner cone sealing configuration is owing to adopt the linear sealing structure, the sealing of pipeline is guaranteed, simultaneously, size RSA, the size RB of hyperbola mechanism by the control inner cone, can effectively reduce the weight of existing interior taper joint, and then the whole weight that reduces Sealing.
Aeroengine hyperbola sphere inner cone pipe sealing structure in the weight of control seal structural part, has guaranteed sealing, reliability and the assembling of sealing configuration.
Advantage of the present utility model:
Be control aeroengine pipeline sealing configuration weight, guarantee simultaneously the sealing of structure, design a kind of hyperbola sphere inner cone pipe sealing structure.It is lighter that this structure has weight, and sealing is advantage preferably.During pipeline work, the probability of sealing configuration generation leakage of oil is low, and maintainability is good; Simultaneously pipe joint is deposited in installation process in the situation of several angle, still can reliable sealing; Inner conical surface adopts the sphere design simultaneously, and sealing configuration has preferably recoverability.
Description of drawings
Fig. 1 is hyperbola sphere inner cone pipe sealing structure, and the indentical tube road connects;
Fig. 2 is taper joint in the hyperbola sphere;
Fig. 3 is hyperbola sphere inner cone pipe sealing structure, and the reducing pipeline connects.
Embodiment
Present embodiment provides a kind of hyperbola sphere inner cone pipe sealing structure, and the indentical tube road connects, and sees accompanying drawing 1.A kind of hyperbola sphere inner cone pipe sealing structure is characterized in that: comprise outside cone joint 1, interior taper joint 2, caption nut 3, the first conduit 4, the second conduit 5;
Wherein: outside cone joint 1 is connected with interior taper joint 2, outside cone joint 1 the other end and 4 welding of the first conduit, interior taper joint 2 the other ends and 5 welding of the second conduit; Caption nut 3 in pipeline 4 in taper joint 2 one ends, tighten with outside cone joint 1 outside thread by internal thread and to cooperate, play the effect of external cone joint 1 and interior taper joint 2 fixing seals.Whole formation inner cone hyperbola sphere pipe sealing structure.
Outside cone joint 1 adopts 74 ° of outer wimble structures.
Hyperbola sphere in the interior taper joint 2 cooperates with 74 ° of outer cones in the outside cone joint 1 and forms potted line, plays the seal action to 2 connecting pipelines.
In outside cone joint 1 and interior taper joint 2 assembly processes, exist when eccentric, but effective sealing still.
Be applicable to being tightly connected of the identical pipeline of caliber.
In the described inner cone hyperbola ball face sealing structure: outside cone joint 1 adopts 74 ° of outer wimble structures, interior taper joint 2 fitting surfaces adopt the hyperbola sphere, by the distance of size RB control inner cone hyperbola sphere apart from the axle center, by size RSA control spherical radius, the sealing station that cooperates with interior taper joint 2 by size C control outside cone joint 1 simultaneously, the effective sealing of assurance novel sealing structure.Wherein outside cone joint 1 surface Machining has outside thread, and new structure is implemented certain screw-down torque by the outside thread of internal thread in the caption nut 3 and outside cone joint 1 to Sealing, thereby realizes the sealing of engine pipelines.Pipeline structure with respect to equivalent diameter, hyperbola sphere inner cone sealing configuration is owing to adopt the linear sealing structure, the sealing of pipeline is guaranteed, simultaneously, size RSA, the size RB of hyperbola mechanism by the control inner cone, can effectively reduce the weight of existing interior taper joint, and then the whole weight that reduces Sealing.
Aeroengine hyperbola sphere inner cone pipe sealing structure in the weight of control seal structural part, has guaranteed sealing, reliability and the assembling of sealing configuration.
Present embodiment hyperbola sphere inner cone pipe sealing structure is applicable to caliber in the connection of φ 20 following same pipe diametered ducts, and conduit and outside cone joint 1, interior taper joint 2 adopt the argon arc welding welding.
Present embodiment provides a kind of hyperbola sphere inner cone pipe sealing structure, and the reducing pipeline connects, and sees accompanying drawing 3.A kind of hyperbola sphere inner cone pipe sealing structure is characterized in that: comprise outside cone joint 1, interior taper joint 2, caption nut 3, the first conduit 4, the second conduit 5;
Wherein: outside cone joint 1 is connected with interior taper joint 2, outside cone joint 1 the other end and 4 welding of the first conduit, interior taper joint 2 the other ends and 5 welding of the second conduit; Caption nut 3 in pipeline 4 in taper joint 2 one ends, tighten with outside cone joint 1 outside thread by internal thread and to cooperate, play the effect of external cone joint 1 and interior taper joint 2 fixing seals.Whole formation inner cone hyperbola sphere pipe sealing structure.
Outside cone joint 1 adopts 74 ° of outer wimble structures.
Hyperbola sphere in the interior taper joint 2 cooperates with 74 ° of outer cones in the outside cone joint 1 and forms potted line, plays the seal action to 2 connecting pipelines.
In outside cone joint 1 and interior taper joint 2 assembly processes, exist when eccentric, but effective sealing still.
Be applicable to being tightly connected of the different pipelines of caliber.
In the described inner cone hyperbola ball face sealing structure: outside cone joint 1 adopts 74 ° of outer wimble structures, interior taper joint 2 fitting surfaces adopt the hyperbola sphere, by the distance of size RB control inner cone hyperbola sphere apart from the axle center, by size RSA control spherical radius, the sealing station that cooperates with interior taper joint 2 by size C control outside cone joint 1 simultaneously, the effective sealing of assurance novel sealing structure.Wherein outside cone joint 1 surface Machining has outside thread, and new structure is implemented certain screw-down torque by the outside thread of internal thread in the caption nut 3 and outside cone joint 1 to Sealing, thereby realizes the sealing of engine pipelines.Pipeline structure with respect to equivalent diameter, hyperbola sphere inner cone sealing configuration is owing to adopt the linear sealing structure, the sealing of pipeline is guaranteed, simultaneously, size RSA, the size RB of hyperbola mechanism by the control inner cone, can effectively reduce the weight of existing interior taper joint, and then the whole weight that reduces Sealing.
Aeroengine hyperbola sphere inner cone pipe sealing structure in the weight of control seal structural part, has guaranteed sealing, reliability and the assembling of sealing configuration.
Present embodiment inner cone hyperbola sphere pipe sealing structure is applicable to caliber in the connection of φ 20 following different tube diameters conduits, and conduit and outside cone joint 1, interior taper joint 2 adopt the argon arc welding welding.
But the present embodiment efficient solution never seals with the connection of caliber pipeline.
Claims (3)
1. a hyperbola sphere inner cone pipe sealing structure is characterized in that: comprise outside cone joint (1), interior taper joint (2), caption nut (3), the first conduit (4), the second conduit (5);
Wherein: outside cone joint (1) is connected with interior taper joint (2), outside cone joint (1) the other end and the first conduit (4) welding, interior taper joint (2) the other end and the second conduit (5) welding; Caption nut (3) in pipeline (4) in taper joint (2) one ends, tighten with outside cone joint (1) outside thread by internal thread and to cooperate, wholely consist of inner cone hyperbola sphere pipe sealing structure.
2. according to hyperbola sphere inner cone pipe sealing structure claimed in claim 1, it is characterized in that: interior taper joint (2) fitting surface adopts the design of hyperbola sphere.
3. according to hyperbola sphere inner cone pipe sealing structure claimed in claim 1, it is characterized in that: outside cone joint (1) adopts 74 ° of outer wimble structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120472214 CN202674615U (en) | 2011-11-24 | 2011-11-24 | Double curve spherical surface inner conical pipe sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120472214 CN202674615U (en) | 2011-11-24 | 2011-11-24 | Double curve spherical surface inner conical pipe sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674615U true CN202674615U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120472214 Expired - Fee Related CN202674615U (en) | 2011-11-24 | 2011-11-24 | Double curve spherical surface inner conical pipe sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889440A (en) * | 2011-11-24 | 2013-01-23 | 北京航空航天大学 | Seal structure of hyperbolic curve spherical surface inner cone pipeline |
| CN110805761A (en) * | 2019-12-04 | 2020-02-18 | 大连海事大学 | Aviation high-pressure beam type pipe joint |
-
2011
- 2011-11-24 CN CN 201120472214 patent/CN202674615U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889440A (en) * | 2011-11-24 | 2013-01-23 | 北京航空航天大学 | Seal structure of hyperbolic curve spherical surface inner cone pipeline |
| CN110805761A (en) * | 2019-12-04 | 2020-02-18 | 大连海事大学 | Aviation high-pressure beam type pipe joint |
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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: 20130116 Termination date: 20151124 |