CN205064087U - Roller piston for rotary engine - Google Patents
Roller piston for rotary engine Download PDFInfo
- Publication number
- CN205064087U CN205064087U CN201520785291.XU CN201520785291U CN205064087U CN 205064087 U CN205064087 U CN 205064087U CN 201520785291 U CN201520785291 U CN 201520785291U CN 205064087 U CN205064087 U CN 205064087U
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- CN
- China
- Prior art keywords
- roller
- cylinder body
- rotary engine
- type piston
- apexed rotor
- 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 roller piston for rotary engine, it includes three lobe rotor, cylinder body and roller, the roller groove has do not been seted up to the three minute of three lobe rotor, the roller swing joint be in the roller inslot and with the inner wall contact of cylinder body is in order to incite somebody to action the inside of cylinder body divide into three independent air chamber. The utility model discloses not only reduce the wearing and tearing of three lobe rotor, prolonged its life, improved the efficiency and the the cost is reduced of engine moreover to a certain extent, had obvious industrial applications.
Description
Technical field
The utility model relates to a kind of piston for engine, specifically, relates to a kind of rotary engine roller type piston, belongs to technical field of engines.
Background technique
Triangular piston rotary engine i.e. rotary engine, it adopts three-apexed rotor rotary motion to control compression and discharge.As shown in Figure 1, three summits of three-apexed rotor 1 contact with the cylinder body 2 of motor, thus form three independently air chambers.The shape (cylinder interior is generally the gerotor type of similar " 8 ") of and three-apexed rotor 1 inner in conjunction with cylinder body 2, under three-apexed rotor 1 ceaselessly rotates, outputting power.
In order to keep the effective sealing between above-mentioned three independent air chambers, conventional rotors motor is provided with apex seal 3 respectively on three summits of three-apexed rotor 1.But apex seal 3 and cylinder body 2 are linear contact lay all the time, be sliding friction with cylinder body 2 inwall in rotor 1 rotary course, cause that three-apexed rotor 1 running resistance is large, apex seal 3 serious wear.Apex seal 3 rub impaired after, the close contact with cylinder body 2 inwall can not be kept, cause leaking gas between air chamber, make engine power performance decline, fuel consume raise and discharge not up to standard.Meanwhile, the manufacturing difficulty of apex seal is large, and product cost and later maintenance cost are increased greatly.
Model utility content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide the long and rotary engine roller type piston that performance is good of a kind of little, life-span of wearing and tearing.
For achieving the above object, the utility model adopts following technological scheme:
A kind of rotary engine roller type piston, comprise three-apexed rotor, cylinder body and roller, three angles of described three-apexed rotor offer roller slot respectively, described roller to be movably connected in described roller slot and with the contact internal walls of described cylinder body, so that the inside of described cylinder body is divided into three independently air chambers.
As a kind of mode of execution, described rotary engine roller type piston also comprises mainshaft gear, and described mainshaft gear is connected in described cylinder body, and the center drilling of described three-apexed rotor, be provided with ring gear in hole, engage with described mainshaft gear.
As a kind of mode of execution, described rotary engine roller type piston also comprises the suction port, relief opening and the spark plug that are arranged at respectively on described cylinder body.
Compared to prior art, Advantageous Effects of the present utility model is:
Due to a kind of rotary engine roller type piston that the utility model provides, roller and inboard wall of cylinder block are rolling friction, frictional force obtains compared to the apex seal of prior art and reduces significantly, because this reducing wearing and tearing, extends the life-span of three-apexed rotor.Meanwhile, due to three angle flutings of three-apexed rotor, therefore also alleviate the weight of rotor largely, the energy ezpenditure of driving rotor persistent movement is reduced, improves the efficiency of motor.In addition, the utility model processing is simple, and sealing or cost are all better than the piston structure of conventional rotors motor, have obvious industrial application value.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of existing rotary engine piston;
The sectional structure chart of a kind of rotary engine roller type piston that Fig. 2 provides for the utility model;
Fig. 3 is the structural representation of rotor described in the utility model.
Number in the figure is schematically as follows: 1-three-apexed rotor; 101-roller slot; 2-cylinder body; 3-apex seal; 4-roller; 5-spark plug; 6-relief opening; 7-suction port; 8-mainshaft gear.
Embodiment
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model done and describe clearly and completely further.
Embodiment
Shown in composition graphs 2 and Fig. 3: a kind of rotary engine roller type piston that the present embodiment provides, comprise three-apexed rotor 1, cylinder body 2 and roller 4, three angles of three-apexed rotor 1 offer roller slot 101 respectively, roller 4 to be movably arranged in roller slot 101 and with the contact internal walls of cylinder body 2, so that the inside of cylinder body 2 is divided into three independently air chambers.When three-apexed rotor 1 rotates in cylinder body 2, roller 4 by centrifugal force left-right rotation, and keeps the contact with cylinder body 2 and roller slot 101 in movement process, plays the effect of sealing, compartment.
Cylinder body 2 is provided with spark plug 5, suction port 6, relief opening 7 and mainshaft gear 8, the center drilling of three-apexed rotor 1, is provided with ring gear in hole, engages with mainshaft gear 8.
The volume of three air chambers surrounded by the outer surface of the internal surface of cylinder body 2, three-apexed rotor 1 external frame cambered surface and roller 4 constantly changes, make the diverse location of each air chamber in the cylinder body 2 of gerotor type complete air inlet successively, compress, light acting and exhaust four working procedure, the high pressure Direct driver three-apexed rotor 1 that the air chamber that motor does work process place produces and mainshaft gear 8 rotate, and output power.
The advantage of rotary engine roller type piston provided by the utility model is:
1, roller type rotor is contacted with cylinder body by roller, mainly rolling friction, and suffered power is less than the sliding friction of three-apexed rotor, and the roller life-span is long, good seal performance, reduces breakdown in the motor rate.
2, in order to install roller, three-apexed rotor need offer larger groove, thus can alleviate the weight of three-apexed rotor largely, the energy ezpenditure of driving three-apexed rotor persistent movement is reduced, improves the efficiency of motor.
3, roller processing is simple, and long service life, reduces cost.
Finally be necessary to herein means out: the foregoing is only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (3)
1. a rotary engine roller type piston, comprise three-apexed rotor, cylinder body and roller, it is characterized in that: three angles of described three-apexed rotor offer roller slot respectively, described roller to be movably connected in described roller slot and with the contact internal walls of described cylinder body, so that the inside of described cylinder body is divided into three independently air chambers.
2. rotary engine roller type piston according to claim 1, it is characterized in that: described rotary engine roller type piston also comprises mainshaft gear, described mainshaft gear is connected in described cylinder body, and the center drilling of described three-apexed rotor, be provided with ring gear in hole, engage with described mainshaft gear.
3. rotary engine roller type piston according to claim 1, is characterized in that: described rotary engine roller type piston also comprises the suction port, relief opening and the spark plug that are arranged at respectively on described cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785291.XU CN205064087U (en) | 2015-10-11 | 2015-10-11 | Roller piston for rotary engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785291.XU CN205064087U (en) | 2015-10-11 | 2015-10-11 | Roller piston for rotary engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064087U true CN205064087U (en) | 2016-03-02 |
Family
ID=55390654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520785291.XU Expired - Fee Related CN205064087U (en) | 2015-10-11 | 2015-10-11 | Roller piston for rotary engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064087U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194316A (en) * | 2016-09-20 | 2016-12-07 | 上海洲跃生物科技有限公司 | The radial seal of a kind of Wankel engine and lubricating arrangement |
| CN106968787A (en) * | 2017-06-01 | 2017-07-21 | 湖北科技学院 | A kind of Wankel engine |
| CN107237652A (en) * | 2017-05-06 | 2017-10-10 | 西安多杰机器人有限公司 | A kind of unmanned helicopter piston engine structure |
| CN107313934A (en) * | 2017-06-08 | 2017-11-03 | 中国石油大学(华东) | A kind of Wankel-type compressor without cusp |
| CN113530669A (en) * | 2021-07-21 | 2021-10-22 | 北京工业大学 | Cantilever type radial sealing device for rotary engine |
-
2015
- 2015-10-11 CN CN201520785291.XU patent/CN205064087U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194316A (en) * | 2016-09-20 | 2016-12-07 | 上海洲跃生物科技有限公司 | The radial seal of a kind of Wankel engine and lubricating arrangement |
| CN106194316B (en) * | 2016-09-20 | 2018-08-21 | 上海洲跃生物科技有限公司 | A kind of radial seal of Wankel engine and lubricating arrangement |
| CN107237652A (en) * | 2017-05-06 | 2017-10-10 | 西安多杰机器人有限公司 | A kind of unmanned helicopter piston engine structure |
| CN106968787A (en) * | 2017-06-01 | 2017-07-21 | 湖北科技学院 | A kind of Wankel engine |
| CN106968787B (en) * | 2017-06-01 | 2022-09-06 | 湖北科技学院 | Rotor engine |
| CN107313934A (en) * | 2017-06-08 | 2017-11-03 | 中国石油大学(华东) | A kind of Wankel-type compressor without cusp |
| CN107313934B (en) * | 2017-06-08 | 2019-08-09 | 中国石油大学(华东) | A kind of Wankel-type compressor of no cusp |
| CN113530669A (en) * | 2021-07-21 | 2021-10-22 | 北京工业大学 | Cantilever type radial sealing device for rotary engine |
| CN113530669B (en) * | 2021-07-21 | 2022-07-05 | 北京工业大学 | Cantilever type radial sealing device for rotary engine |
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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: 20160302 Termination date: 20191011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |