Engine casing

Abstract

The utility model discloses an engine casing which comprises a machine body barrel and a plurality of annular flow guide modules, the annular flow guide modules are distributed in the axial direction of the machine body barrel, and a gap is formed between every two adjacent annular flow guide modules. The annular flow guide module comprises an outer ring and a plurality of flow deflectors, and the outer ring is distributed in the circumferential direction of the machine body barrel; the outer ring is provided with an outer ring body and an outer ring extension part, and the outer ring body and the outer ring extension part are integrally formed; the flow deflector is provided with a flow deflector proximal end and a flow deflector telecentric end, the flow deflector telecentric end and the outer ring body are integrally formed, and the outer ring extension part is embedded in the inner wall of the machine body barrel and is flush with the inner wall of the machine body barrel. The engine casing disclosed by the utility model has the beneficial effects that various measures are adopted, and an air flow passage is unblocked.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of engine, concretely relates to an engine casing. BACKGROUND

[0002] The utility model discloses a utility model patent with the public number CN213018363U for engine casing, and its IPC classification number is F16M3 / 00, and its technical scheme discloses "rectangular base is equipped with sheltering protection structure, and sheltering protection structure is equipped with cooling structure: sheltering protection structure includes: rectangular box and bearing frame;Rectangular box is installed on the upper wall surface of rectangular base, and the front wall surface of rectangular box is provided with rectangular through -hole, and the inner upper wall surface of rectangular box is provided with first strip -shaped recess, and first strip -shaped recess is inserted with first strip -shaped slide rail, and first strip -shaped slide rail is installed with moving wheel, and the lower wall surface of moving wheel is fixed with support, and bearing frame is installed on the lower wall surface of support, and bearing frame lower wall surface and near the four corners are installed with sleeve, and every sleeve is inserted with first guide rod, and the lower wall surface of first guide rod is installed with first roller, and the upper wall surface of bearing frame and near the four corners are installed with stand, and every first strip -shaped recess is inserted with second guide rod, and second guide rod is sleeved with slide, and a plurality of slides are commonly installed with bearing plate".

[0003] From this, the above utility model patent has disclosed one of the technical schemes of engine casing. However, the technical scheme disclosed in the above utility model patent focuses on adding sheltering protection structure to shield and protect the engine, and does not further solve the problem of smooth airflow passage, which needs to be further improved. UTILITY MODEL CONTENTS

[0004] The utility model provides an engine casing aiming at the condition of prior art, overcomes the above-mentioned defects.

[0005] The utility model adopts the following technical scheme, and the engine casing comprises a body barrel and a plurality of annular flow guide modules, the annular flow guide modules are distributed along the axial direction of the body barrel, there is a spacing between the two adjacent annular flow guide modules, and wherein:

[0006] The annular flow guide module comprises an outer ring and a plurality of flow guide fins, and the outer ring is distributed along the circumferential direction of the body barrel.

[0007] The outer ring is provided with an outer ring body and an outer ring extension part, and the outer ring body and the outer ring extension part are integrally formed.

[0008] The flow guide fin is provided with a flow guide fin proximal end and a flow guide fin distal end, the flow guide fin distal end is integrally formed with the outer ring body, the outer ring extension part is embedded in the inner wall of the body barrel, and the outer ring extension part is flush with the inner wall of the body barrel.

[0009] As the preferred technical scheme of the above technical scheme, the guide vane has a guide vane concave surface and a guide vane convex surface, and the guide vane concave surface and the guide vane convex surface are oppositely distributed.

[0010] As the preferred technical scheme of the above technical scheme, the guide vane has a guide vane concave surface and a guide vane convex surface, and the guide vane concave surface and the guide vane convex surface are oppositely distributed.

[0011] As the preferred technical scheme of the above technical scheme, the body barrel comprises a first interface ring, a second interface ring and a body barrel body, the first interface ring is located at one end of the body barrel body, the second interface ring is located at the other end of the body barrel body, and the first interface ring and the second interface ring are respectively fixedly connected with the body barrel body.

[0012] As the preferred technical scheme of the above technical scheme, the body barrel further comprises a first convex ring part, a second convex ring part and a third convex ring part, the first convex ring part, the second convex ring part and the third convex ring part are respectively integrally formed with the outer wall of the body barrel body, the first convex ring part and the second convex ring part have a spacing therebetween, and the second convex ring part and the third convex ring part have a spacing therebetween.

[0013] The engine casing disclosed by the utility model has the beneficial effects that various measures are taken to unblock the air flow passage. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of one angle of the application.

[0015] Figure 2 is a perspective view of another angle of the application.

[0016] Figure 3 is a side view of the application.

[0017] Figure 4 is a front view of the application.

[0018] Figure 5 is a sectional view along the AA direction of Figure 4 .

[0019] Figure 6 is a partial enlarged view of the A area of Figure 1 .

[0020] Figure 7 is a perspective view of the annular guide flow module of the application.

[0021] Figure 8 is a partial enlarged view of the B area of Figure 7 .

[0022] The reference signs include: 100 - fuselage barrel; 110 - first interface ring; 120 - second interface ring; 130 - fuselage barrel body; 131 - first convex ring part; 132 - second convex ring part; 133 - third convex ring part; 134 - first butt joint part; 135 - second butt joint part; 136 - third butt joint part; 200 - annular flow guide module; 210 - outer ring; 211 - outer ring body; 212 - outer ring extension; 220 - flow guide fin; 221 - flow guide fin proximal end; 222 - flow guide fin distal end; 223 - flow guide fin recessed surface; 224 - flow guide fin convex surface. DETAILED DESCRIPTION

[0023] The utility model discloses an engine casing, below combining preferred embodiment (example 1), referring to the Figures 1 to 8 , the specific embodiment of the utility model is further described.

[0024] Referring to the Figures 1 to 8 , Figures 1 to 5 different perspective engine casing is shown respectively, Figure 6 show the partial structure of engine casing, Figure 7 show annular flow guide module, Figure 8 show the partial structure of annular flow guide module.

[0025] Example 1.

[0026] Preferably, the engine casing, including fuselage barrel 100 and a plurality of annular flow guide modules 200, annular flow guide module 200 is distributed along the axial direction of fuselage barrel 100, and there is a spacing between the adjacent two annular flow guide modules 200, wherein:

[0027] Annular flow guide module 200 includes outer ring 210 and a plurality of flow guide fins 220, and outer ring 210 is distributed along the circumferential direction of fuselage barrel 100;

[0028] The outer ring 210 is provided with an outer ring body 211 and an outer ring extension 212, and the outer ring body 211 is integrally formed with the outer ring extension 212;

[0029] The flow guide fin 220 is provided with a flow guide fin proximal end 221 and a flow guide fin distal end 222, and the flow guide fin distal end 222 is integrally formed with the outer ring body 211, and the outer ring extension 212 is embedded in the inner wall of the fuselage barrel 100, so that the outer ring extension 212 is flush with the inner wall of the fuselage barrel 100, the degree of airflow turbulence is reduced, and the airflow passage is smooth.

[0030] Wherein, the flow guide fin 220 has a flow guide fin recessed surface 223 and a flow guide fin convex surface 224, the flow guide fin recessed surface 223 and the flow guide fin convex surface 224 are oppositely distributed, so that the flow guide fin recessed surface 223 and the flow guide fin convex surface 224 are not adjacent.

[0031] The guide vane recess surface 223 of any one guide vane 220 is inclined towards the guide vane protruding surface 224 of the adjacent guide vane 220, and the guide vane protruding surface 224 of any one guide vane 220 is inclined towards the guide vane recess surface 223 of the adjacent guide vane 220, so as to increase the contact area of the airflow with the guide vane 220 and unblock the airflow passage.

[0032] The body barrel 100 comprises a first interface ring 110, a second interface ring 120 and a body barrel body 130, the first interface ring 110 is located at one end of the body barrel body 130, the second interface ring 120 is located at the other end of the body barrel body 130, and the first interface ring 110 and the second interface ring 120 are fixedly connected with the body barrel body 130 respectively.

[0033] The body barrel 100 is further provided with a first convex ring part 131, a second convex ring part 132 and a third convex ring part 133, the first convex ring part 131, the second convex ring part 132 and the third convex ring part 133 are integrally formed with the outer wall of the body barrel body 130 respectively, the first convex ring part 131 and the second convex ring part 132 have a spacing, and the second convex ring part 132 and the third convex ring part 133 have a spacing.

[0034] The body barrel 100 is further provided with four first butt joint parts 134, four second butt joint parts 135 and four third butt joint parts 136, the first butt joint parts 134 are arranged on the first convex ring part 131, the second butt joint parts 135 are arranged on the second convex ring part 132, and the third butt joint parts 136 are arranged on the third convex ring part 133.

[0035] It is worth mentioning that the specific structure of the first butt joint part 134 and other technical features involved in the utility model patent application should be regarded as prior art, the specific structure, working principle and possible control mode and spatial arrangement mode of these technical features can be selected according to the prior art, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0036] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An engine housing characterized by, The machine body barrel comprises a machine body barrel and a plurality of annular flow guide modules, the annular flow guide modules are distributed along the axial direction of the machine body barrel, and there is a spacing between adjacent two annular flow guide modules, wherein: the annular flow guide module comprises an outer ring and a plurality of flow guide fins, and the outer ring is distributed along the circumferential direction of the machine body barrel; The outer ring is provided with an outer ring body and an outer ring extension, and the outer ring body and the outer ring extension are integrally formed; The flow guide fin is provided with a flow guide fin near the heart end and a flow guide fin far from the heart end, the flow guide fin far from the heart end is integrally formed with the outer ring body, the outer ring extension is embedded in the inner wall of the machine body barrel, and the outer ring extension is flush with the inner wall of the machine body barrel.

2. The engine enclosure of claim 1, wherein, The flow guide fin has a flow guide fin concave surface and a flow guide fin convex surface, and the flow guide fin concave surface and the flow guide fin convex surface are oppositely distributed.

3. The engine enclosure of claim 2, wherein, The flow guide fin concave surface of any one of the flow guide fins is inclined towards the flow guide fin convex surface of the adjacent flow guide fin of the flow guide fin, and the flow guide fin convex surface of any one of the flow guide fins is inclined towards the flow guide fin concave surface of the adjacent flow guide fin of the flow guide fin.

4. The engine enclosure of claim 1, wherein, The machine body barrel comprises a first interface ring, a second interface ring and a machine body barrel body, the first interface ring is located at one end of the machine body barrel body, the second interface ring is located at the other end of the machine body barrel body, and the first interface ring and the second interface ring are respectively fixedly connected with the machine body barrel body.

5. The engine enclosure of claim 4, wherein, The machine body barrel is also provided with a first convex ring part, a second convex ring part and a third convex ring part, the first convex ring part, the second convex ring part and the third convex ring part are respectively integrally formed with the outer wall of the machine body barrel body, there is a spacing between the first convex ring part and the second convex ring part, and there is a spacing between the second convex ring part and the third convex ring part.

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