CN217270339U

CN217270339U - Rotor monomer structure of engine rotor, rotor and rotor engine

Info

Publication number: CN217270339U
Application number: CN202221130240.XU
Authority: CN
Inventors: 郑强; 赵武涛; 赵贺
Original assignee: Shaanxi Xinyan Hydrogen Energy Technology Co ltd
Current assignee: Shaanxi Xinyan Hydrogen Energy Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-23
Anticipated expiration: 2032-05-11

Abstract

The application provides a rotor monomer structure of an engine rotor, a rotor and a rotor engine, wherein the rotor monomer structure is provided with a first surface and a second surface which are opposite along the axial direction; the center of the rotor single-body structure is provided with a shaft hole penetrating through the first surface and the second surface; the first surface has the depressed part, is equipped with a plurality of arc strengthening ribs on the diapire of depressed part, and the arc strengthening rib is connected to on the lateral wall of depressed part by the shaft hole. According to the rotor monomer structure, the rotor and the rotor engine of the engine rotor provided by the application, the flow speed of cooling machine oil in the rotor can be improved, so that the cooling machine oil can quickly reach the position near the side wall of the rotor, and the cooling effect on the rotor is effectively improved.

Description

Rotor monomer structure of engine rotor, rotor and rotor engine

Technical Field

The application belongs to the technical field of engines, and particularly relates to a rotor monomer structure of an engine rotor, a rotor and a rotary engine.

Background

In daily travel, the transportation means mainly comprise short-distance transportation means such as motorcycles, cars, buses and the like; in addition, long-distance transport means also include airplanes, helicopters and the like. Thank you vehicles all require an engine (also commonly referred to as an internal combustion engine) to power the vehicle by burning fossil fuels as the driving force. In addition, engines are also required to drive in the aerospace field and many vehicles in both fields. The engine mainly comprises a piston engine, a turbine engine, a rotor engine and the like; wherein, the rotor of the rotary engine rotates at high speed in the cylinder body, thereby outputting power outwards.

Generally, a rotor of a rotary engine is hollowed out, so that cooling oil is supplied to the middle of the rotor to cool the rotor. In order to facilitate the processing of the cooling space in the middle of the rotor, at present, the rotor is designed into two rotor monomers, one side of each rotor monomer, which is opposite to the other side of each rotor monomer, is hollowed, and then the two rotor monomers are combined together to form a cooling engine oil space.

However, in the related art, the cooling oil has a slow flow rate, and cannot reach the vicinity of the side wall of the rotor quickly, which results in a poor cooling effect for the rotor.

SUMMERY OF THE UTILITY MODEL

The application provides a rotor monomer structure, rotor and rotor engine of engine rotor can promote the flow velocity of cooling machine oil in the rotor for cooling machine oil can reach near the lateral wall of rotor fast, has effectively promoted the cooling effect to the rotor.

According to a first aspect of embodiments herein, there is provided a rotor one-piece structure for an engine rotor, the rotor one-piece structure having axially opposed first and second surfaces; the center of the rotor single-body structure is provided with a shaft hole penetrating through the first surface and the second surface; the first surface has the depressed part, is equipped with a plurality of arc strengthening ribs on the diapire of depressed part, and the arc strengthening rib is connected to on the lateral wall of depressed part by the shaft hole.

In the embodiment of the application, the first surface is provided with the concave part, the bottom wall of the concave part is provided with the arc-shaped reinforcing ribs, and the arc-shaped reinforcing ribs are connected to the side walls of the concave part from the shaft holes penetrating through the first surface and the second surface; like this, when the rotor is rotatory, cooling machine oil can be promoted by the arcwall face of arc strengthening rib under the effect of centrifugal force to the lateral wall department of rapid flow to depressed part can cool off the lateral wall of rotor fast, has promoted the cooling effect to the rotor.

In an optional design mode, a cooling engine oil circulation channel is formed between every two adjacent arc-shaped reinforcing ribs and is communicated with the shaft hole.

Be linked together cooling machine oil flow channel and shaft hole, like this, the cooling machine oil that gets into through the through-hole in the integral key shaft can be rapid flow to the lateral wall of depressed part, can promote the cooling effect to the rotor.

In an optional design, a groove is arranged at the edge of the recessed portion, and the groove surrounds the side wall of the recessed portion.

Like this, can increase the area that cooling machine oil contacted with the lateral wall of depressed part in depressed part border department, can increase the cooling area who cools off machine oil promptly to can promote the cooling effect to the rotor.

In an alternative design, a positioning reinforcing rib is arranged in the groove and used for connecting the side wall of the concave part and the side wall of the groove.

Like this, can guarantee the intensity of the lateral wall of the diapire of depressed part and rotor, can effectively guarantee the stability of rotary engine operation.

In an alternative design, the positioning reinforcing ribs are arranged obliquely relative to the radial direction of the rotor, and the tangential direction of the positioning reinforcing ribs is the same as the tangential direction of the arc-shaped reinforcing ribs.

In the embodiment of the application, the positioning reinforcing ribs are obliquely arranged and are the same as the arc reinforcing ribs in the tangential direction, so that the flow resistance of cooling oil can be reduced, cooling oil can be enabled to be rapidly contacted with the side wall of the concave part, and the cooling effect on the rotor can be improved.

In an optional design mode, the end face of the positioning reinforcing rib protrudes out of the end face of the arc-shaped reinforcing rib, and the end face of the positioning reinforcing rib is flush with the end face of the side wall of the concave part.

Like this, can fix a position the intermediate bottom of rotor through the location strengthening rib to can promote the installation effectiveness of rotor, save manufacturing cost.

In an alternative design, the arc-shaped bending directions of the arc-shaped reinforcing ribs are consistent, and the arc-shaped reinforcing ribs are arranged on the bottom wall of the concave part in a turbine shape.

The bending square of a plurality of arc strengthening ribs sets to the unanimity, and like this, a plurality of arc strengthening ribs can form turbine-like structure on the diapire of depressed part, and when the rotor rotated, the turbine-like arc strengthening rib can promote cooling oil to the lateral wall of depressed part rapidly on, can promote the cooling effect to the rotor.

In an alternative design, splines are provided in the shaft bore for engaging with a splined shaft of the engine.

Like this, with the integrative design of spline in the shaft hole, can make things convenient for processing and the assembly of rotor monomer structure, promoted the assembly efficiency of rotor.

According to a second aspect of the embodiments of the present application, there is provided an engine rotor comprising at least two rotor cell structures of the engine rotor provided in any one of the alternative designs of the first aspect of the embodiments of the present application, and a middle partition plate, the middle partition plate being provided between the two rotor cell structures.

According to a third aspect of the embodiments of the present application, there is provided a rotary engine, comprising the rotor single-body structure of the engine rotor provided in any one of the alternative design manners of the first aspect of the embodiments of the present application or the engine rotor provided in the second aspect of the embodiments of the present application.

The construction of the present application and other objects and advantages thereof will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of a rotor monoblock structure of an engine rotor provided in an embodiment of the present application;

FIG. 2 is a front view of a rotor monoblock structure of an engine rotor provided in an embodiment of the present application;

fig. 3 is a sectional view taken along line a-a of fig. 2.

Description of reference numerals:

10-rotor monomer structure;

100-a first surface; 200-axle hole;

101-a recess; 201-spline;

1011-arc reinforcing ribs; 1012-cooling oil flow-through channel; 1013-grooves; 1014-positioning of the stiffener.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be understood that the terms "inner," "outer," "upper," "bottom," "front," "back," and the like, when used in the orientation or positional relationship indicated in FIG. 1, are used solely for the purpose of facilitating a description of the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

In daily travel, the transportation means mainly comprise short-distance transportation means such as motorcycles, cars, buses and the like; in addition, the long-distance transport means also comprise airplanes, helicopters and the like. Thank the transportation vehicles require an engine (also commonly referred to as an internal combustion engine) to power the vehicle by burning fossil fuels as the driving force. In addition, engines are also required to drive in the aerospace field and many vehicles in both fields. The engine mainly comprises a piston engine, a turbine engine, a rotor engine and the like; wherein, the rotor of the rotary engine rotates at high speed in the cylinder body, thereby outputting power outwards.

Fig. 1 is a schematic structural view of a rotor unit structure of an engine rotor according to an embodiment of the present disclosure, fig. 2 is a front view of the rotor unit structure of the engine rotor according to the embodiment of the present disclosure, and fig. 3 is a sectional view taken along a line a-a in fig. 2.

In view of the technical problems in the related art, referring to fig. 1 to 3, an embodiment of the present application provides a rotor single-body structure 10 of an engine rotor, the rotor single-body structure 10 having a first surface 100 and a second surface opposite to each other in an axial direction i; the rotor single-body structure 10 has a shaft hole 200 penetrating the first surface 100 and the second surface at the center; the first surface 100 has a recess 101, and a plurality of arc-shaped reinforcing ribs 1011 are disposed on the bottom wall of the recess 101, and the arc-shaped reinforcing ribs 1011 are connected to the side walls of the recess 101 through the shaft holes 200.

Wherein the second surface may be a surface opposite to the first surface 100, and as shown in particular with reference to fig. 2, the second surface may be a surface facing a side of the paper.

In the embodiment of the application, the first surface 100 is provided with the recess 101, the bottom wall of the recess 101 is provided with a plurality of arc-shaped reinforcing ribs 1011, and the arc-shaped reinforcing ribs 1011 are connected to the side walls of the recess 101 from the shaft holes 200 penetrating through the first surface 100 and the second surface; like this, when the rotor is rotatory, cooling machine oil can be promoted by the arcwall face of arc strengthening rib 1011 under the effect of centrifugal force to the lateral wall department of fast flow to depressed part 101 can cool off the lateral wall of rotor fast, has promoted the cooling effect to the rotor.

It is understood that, referring to fig. 1 to 3, in the present embodiment, a cooling oil flow passage 1012 is formed between two adjacent arc-shaped ribs 1011, and the cooling oil flow passage 1012 communicates with the shaft hole 200.

The cooling oil flow passage 1012 is communicated with the shaft hole 200, so that the cooling oil entering through the through hole in the shaft of the spline 201 can flow to the side wall of the recess 101 rapidly, and the cooling effect on the rotor can be improved.

In an alternative example of the embodiment of the present application, referring to fig. 2 and 3, recess 101 is provided with groove 1013 at the edge thereof, and groove 1013 is formed around the side wall of recess 101.

Thus, the area of the cooling oil contacting the side wall of the recess 101 at the edge of the recess 101, that is, the cooling area of the cooling oil can be increased, so that the cooling effect of the rotor can be improved.

As an alternative example of the embodiment of the present application, referring to fig. 1-3, a positioning rib 1014 is disposed in the groove 1013, and the positioning rib 1014 is used to connect the sidewall of the recess 101 and the sidewall of the groove 1013.

Thus, the strength of the bottom wall of the recess 101 and the side wall of the rotor can be ensured, and the stability of the operation of the rotary engine can be effectively ensured.

With continued reference to fig. 1-3, in the present embodiment, the positioning ribs 1014 are disposed obliquely to the radial direction of the rotor, and the tangential direction of the positioning ribs 1014 is the same as the tangential direction of the arc-shaped ribs 1011.

In the embodiment of the application, the positioning reinforcing ribs 1014 are obliquely arranged and are the same as the arc reinforcing ribs 1011 in the tangential direction, so that the flow resistance of cooling oil can be reduced, the cooling oil can be rapidly contacted with the side wall of the concave part 101, and the cooling effect on the rotor can be improved.

Referring to fig. 3, in the embodiment of the present application, the end surface of the positioning reinforcing bead 1014 protrudes from the end surface of the arc-shaped reinforcing bead 1011, and the end surface of the positioning reinforcing bead 1014 is flush with the end surface of the side wall of the recess 101.

Like this, can fix a position the intermediate bottom of rotor through location strengthening rib 1014 to can promote the installation effectiveness of rotor, save manufacturing cost.

With continued reference to fig. 1 to 3, the arc-shaped reinforcing ribs 1011 have the same bending direction, and the plurality of arc-shaped reinforcing ribs 1011 are arranged in a turbine shape on the bottom wall of the recess 101.

Set the crooked square of a plurality of arc strengthening ribs 1011 unanimous to, like this, a plurality of arc strengthening ribs 1011 can form the turbine-like structure on the diapire of depressed part 101, and when the rotor rotated, the turbine-like arc strengthening rib 1011 can promote the cooling effect to the rotor on the lateral wall of depressed part 101 with cooling machine oil rapidly.

As an alternative design, referring to fig. 1 and 3, a spline 201 is provided in the shaft hole 200, and the spline 201 is used for being engaged with a spline 201 shaft of the engine.

Like this, with spline 201 integrated design in shaft hole 200, can make things convenient for the processing and the assembly of rotor monomer structure 10, promoted the assembly efficiency of rotor.

The embodiment of the present application further provides an engine rotor, which includes at least two rotor single structures 10 of the engine rotor provided in any optional design manner of the foregoing embodiment of the present application, and a middle partition plate, where the middle partition plate is disposed between the two rotor single structures 10.

The embodiment of the present application further provides a rotary engine, which includes the rotor single-body structure 10 of the engine rotor provided in any optional design manner of the previous embodiment of the present application or the engine rotor provided in the previous embodiment of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A rotor monobloc structure of an engine rotor, characterized in that said rotor monobloc structure (10) has a first surface (100) and a second surface axially opposite; the center of the rotor single-body structure (10) is provided with a shaft hole (200) penetrating through the first surface (100) and the second surface; first surface (100) has depressed part (101), be equipped with a plurality of arc strengthening ribs (1011) on the diapire of depressed part (101), arc strengthening rib (1011) by shaft hole (200) are connected to on the lateral wall of depressed part (101).

2. The rotor monobloc structure of an engine rotor according to claim 1, wherein a cooling oil circulation passage (1012) is formed between adjacent two of said arc-shaped reinforcing ribs (1011), said cooling oil circulation passage (1012) communicating with said shaft hole (200).

3. Rotor monobloc structure of an engine rotor according to claim 2, characterized in that at the edge of said recess (101) there is a groove (1013), said groove (1013) being made around the side wall of said recess (101).

4. A rotor monoblock structure for an engine rotor according to claim 3, characterized in that positioning ribs (1014) are provided in said groove (1013), said positioning ribs (1014) being used to connect the side walls of said recess (101) and the side walls of said groove (1013).

5. The rotor monobloc structure of an engine rotor according to claim 4, wherein said positioning beads (1014) are disposed obliquely with respect to a radial direction of said rotor, and a tangential direction of said positioning beads (1014) is the same as a tangential direction of said arc-shaped beads (1011).

6. The rotor monobloc structure of an engine rotor according to claim 4, wherein an end surface of the positioning bead (1014) protrudes from an end surface of the arc bead (1011), and the end surface of the positioning bead (1014) is flush with an end surface of a side wall of the recess (101).

7. The rotor monobloc structure of an engine rotor according to any one of claims 1 to 6, wherein the arc-shaped reinforcing ribs (1011) are uniformly curved, and the arc-shaped reinforcing ribs (1011) are arranged in a turbine shape on the bottom wall of the recess (101).

8. A rotor monoblock construction for an engine rotor according to any one of claims 1-6, characterized in that said shaft bore (200) is provided with splines (201), said splines (201) being adapted to engage with a splined shaft (201) of an engine.

9. An engine rotor, characterized in that it comprises at least two rotor cell structures (10) of an engine rotor according to any one of claims 1 to 8 and an intermediate partition, said intermediate partition being provided between two of said rotor cell structures (10).

10. A rotary engine, characterized by comprising a rotor monobloc structure (10) of an engine rotor according to any one of claims 1 to 8 or an engine rotor according to claim 9.