Sealing sheet of rotor engine
阅读说明:本技术 一种转子发动机密封片 (Sealing sheet of rotor engine ) 是由 秦朝举 于 2019-11-13 设计创作,主要内容包括:一种转子发动机密封片,是用于转子发动机,包括密封片本体,所述密封片本体安装在转子顶端,在密封片本体的两端均设置有端面密封弹性元件,在密封片本体的侧面设有侧向密封弹性元件,在密封片本体的底部设置有底部弹性元件,所述端面密封弹性元件包括在密封片本体端部设置的第一L型端面密封槽和与第一L型端面密封槽相对设置的第二L型端面密封槽,端面密封弹性体安装于第一L型端面密封槽和第二L型端面密封槽之间。本发明结构合理、工作可靠的小型转子发动机径向密封片,通过径向密封片灵活的工作方式实现有效密封,改善转子发动机运转性能。(The utility model provides a rotor engine gasket, is used for rotor engine, includes the gasket body, the gasket body is installed on the rotor top, all is provided with end face seal elastic element at the both ends of gasket body, is equipped with side direction seal elastic element at the side of gasket body, is provided with bottom elastic element in the bottom of gasket body, end face seal elastic element includes the first L type end face seal groove that sets up at this tip of gasket body and the second L type end face seal groove that sets up relatively with first L type end face seal groove, and end face seal elastomer installs between first L type end face seal groove and second L type end face seal groove. The radial sealing sheet of the small-sized rotor engine, which is reasonable in structure and reliable in work, realizes effective sealing through a flexible working mode of the radial sealing sheet, and improves the running performance of the rotor engine.)
1. A rotary engine gasket comprising a gasket body (5), characterized in that: the sealing piece body is installed on the top end of a rotor (2), end face sealing elastic elements (6) are arranged at two ends of the sealing piece body, lateral sealing elastic elements (8) are arranged on the side face of the sealing piece body, bottom elastic elements (9) are arranged at the bottom of the sealing piece body, each end face sealing elastic element comprises a first L-shaped end face sealing groove (10) arranged at the end part of the sealing piece body and a second L-shaped end face sealing groove (13) oppositely arranged with the first L-shaped end face sealing groove, and an end face sealing elastic body (7) is installed between the first L-shaped end face sealing groove and the second L-shaped end face sealing groove.
2. The rotary engine sealing plate of claim 1, wherein: the rotor top is provided with gasket mounting groove (14), and gasket body (5) are installed in the gasket mounting groove, and side direction elastic element sets up between gasket body and gasket mounting groove.
3. The rotary engine sealing plate of claim 2, wherein: a rectangular groove (15) is formed in the sealing sheet mounting groove (14), a bottom sealing groove (12) is formed in the bottom of the sealing sheet body, a bottom elastic element (9) is arranged between the bottom sealing groove and the rectangular groove, and the top end of the bottom elastic element is abutted to a rotor corresponding to the top of the sealing sheet mounting groove.
4. The rotary engine sealing plate of claim 3, wherein: the depth of the rectangular recess is less than 1/4 the height of the sealing disc body.
5. The rotary engine sealing plate of claim 1, wherein: the end face sealing elastic body (7) is a metal sheet type compression spring.
6. The rotary engine sealing plate of claim 1, wherein: an oblique lateral sealing groove (11) is arranged on the side surface of the sealing sheet body, and a lateral sealing elastic element (8) is arranged in the lateral sealing groove.
7. The rotary engine sealing plate of claim 1, wherein: the lateral sealing spring element (8) is a diaphragm spring.
8. The rotary engine sealing plate of claim 1, wherein: the bottom elastic element (9) is a sheet metal spring.
Technical Field
The invention relates to auxiliary equipment for a microminiature rotary engine, in particular to a sealing sheet design for the rotary engine, and belongs to the field of engines.
Background
The small rotor engine has the characteristics of small volume, light weight, high energy density, suitability for various fuels and the like, so that the small rotor engine is always the focus of research and development. The small rotor engine has wide application prospect in the aspects of unmanned aerial vehicles, auxiliary power systems, micro power and the like. However, the sealing performance of small rotary engines, in which radial sealing plates divide three combustion chambers in order to prevent gas leakage between the three combustion chambers, is still a big gap compared to conventional piston engines, which is the most dominant leakage mode of small rotary engines.
Disclosure of Invention
At present small-size rotary engine gasket structure is comparatively simple, and the gasket can't guarantee the inseparable laminating of gasket and terminal surface and seal groove in the play that does not stop in the combustion chamber, must lead to the fact serious leakage. In view of the above problems, it is necessary to provide a sealing plate for a rotary engine, which improves sealing performance.
The invention discloses a sealing sheet of a rotor engine, aiming at the problems of difficult radial sealing, poor working reliability of the sealing sheet and serious gas leakage in a combustion chamber of a small rotor engine, and aiming at solving the technical problem of providing the radial sealing sheet of the small rotor engine with reasonable structure and reliable working, realizing effective sealing by a flexible working mode of the radial sealing sheet and improving the running performance of the rotor engine.
The purpose of the invention is realized by the following technical scheme:
a rotor engine gasket is used for a rotor engine, the rotor engine comprises a crankshaft, a rotor, a gasket assembly and a cylinder, the rotor is arranged in the cylinder, two end faces of the rotor correspond to two end faces of the cylinder, the gasket assembly is arranged at the top of the rotor, the gasket assembly is the rotor engine gasket of the invention, the gasket assembly comprises a gasket body, the top end of the rotor is provided with a gasket mounting groove, the gasket body is arranged in the gasket mounting groove, two end faces of the gasket body correspond to two end faces of the rotor, the top face of the gasket body corresponds to the inner wall of the cylinder, two ends of the gasket body are provided with end face sealing elastic elements, the side face of the gasket body is provided with a lateral sealing elastic element, the bottom of the gasket body is provided with a bottom elastic element, the end face sealing elastic element comprises a first L-shaped end face sealing groove arranged at the end of the gasket body The end face seal elastomer is mounted between the first L-shaped end face seal groove and the second L-shaped end face seal groove.
Above-mentioned rotor engine gasket, side direction elastic element set up between gasket body and gasket mounting groove, seted up the rectangle recess in the gasket mounting groove, are provided with the bottom seal groove bottom the gasket body, between bottom elastic element bottom seal groove and the rectangle recess, bottom elastic element's top supports on the rotor that gasket mounting groove top corresponds.
The depth of the rectangular groove of the sealing sheet for the rotary engine is smaller than 1/4 of the height of the sealing sheet body, so that the leakage of bottom gas is effectively controlled.
The end face sealing elastic body of the sealing sheet for the rotor engine is a metal sheet type compression spring.
The sealing sheet for the rotor engine is characterized in that an oblique lateral sealing groove is formed in the side face of the sealing sheet body, and a lateral sealing elastic element is arranged in the lateral sealing groove.
The sealing plate for the rotary engine is characterized in that the lateral sealing elastic element is a diaphragm spring.
In the sealing plate for the rotor engine, the bottom elastic element is a metal sheet type spring.
The invention has the advantages that:
1. the sealing sheet of the rotary engine disclosed by the invention can realize the top end, the lateral direction and the bottom sealing of the sealing assembly through the sealing elastic element, thereby reducing the radial leakage of the rotary engine and further improving the working efficiency of the rotary engine.
2. The sealing sheet of the rotor engine disclosed by the invention can ensure that a sealing assembly cannot incline, so that a vibration beating effect is avoided, reliable sealing is ensured, the service lives of the sealing sheet and a cylinder are prolonged, and the running performance of the rotor engine is improved.
Drawings
FIG. 1 is a schematic view of a sealing plate mounting structure of a rotary engine.
FIG. 2 is a schematic view of a rotary engine seal disk assembly.
FIG. 3 is a schematic view of section A-A.
Figure 4 is a sealing slice body fitted with a lateral sealing spring element and a bottom spring element.
Fig. 5 is a schematic structural view of a lateral sealing elastic element.
Fig. 6 is a right side view of fig. 5.
Wherein: 1-crankshaft; 2-a rotor; 3-a sealing assembly; 4, a cylinder; 3-sealing sheet assembly; 5, sealing the sheet body; 6-end face seal element; 7-end face sealing elastomer; 8-lateral sealing elastic element; 9-a bottom elastic element; 10-a first L-shaped face seal groove; 11-side seal groove; 12-bottom seal groove; 13-a second L-shaped face seal groove; 14-sealing piece mounting groove- -.
Detailed Description
As shown in fig. 1 to 6, a rotor engine gasket is used for a rotor engine, the rotor engine comprises a
An oblique
The depth of the rectangular recess should be less than 1/4 the height of the sealing disc body to effectively control bottom gas leakage.
The working method of the rotor engine sealing sheet comprises the following steps:
the
The specific embodiments are given above, but the present invention is not limited to the described embodiments. The basic idea of the present invention lies in the above basic scheme, and it is obvious to those skilled in the art that the design of various modified models, formulas and parameters according to the method and principle of the present invention does not need to spend creative work. Variations, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit of the invention, and still fall within the scope of the invention.
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