Secondary vortex culvert electric drive engine

Abstract

The utility model belongs to the technical field of engines, and particularly relates to a secondary vortex culvert electric drive engine which comprises a secondary vortex culvert electric drive engine body, an end sleeve is arranged on the periphery of the outer portion of the front end of the secondary vortex culvert electric drive engine body, and first limiting clamping grooves are formed in the bottoms of the two sides of the front end of the end sleeve. A second limiting clamping groove is formed in the middle of the upper portion of the front end of the end sleeve. A ring body is connected into the front end of the end sleeve in a clamped mode, and a filter screen is fixedly connected into the ring body. In the operation and air inlet process of the secondary vortex culvert electric drive engine body, foreign matter in air can be effectively blocked through the filter screen, the situation that the foreign matter in the air is sucked into the secondary vortex culvert electric drive engine body along with the air, and the internal structure of the secondary vortex culvert electric drive engine body is further damaged can be avoided, and the service life of the secondary vortex culvert electric drive engine body is prolonged. Therefore, the secondary vortex culvert electric drive engine body can be safely used.

Description

Technical Field

[0001] The utility model belongs to the technical field of engines, and in particular relates to a secondary vortex culvert electric drive engine. Background Art

[0002] At present, the market of small and medium-sized aircraft is in the stage of great development, but the engines used in small and medium-sized aircraft still have problems such as low efficiency and large size. In the prior art, the Chinese utility model patent with publication number CN218317339 U discloses a secondary vortex culvert electric drive engine, including an engine housing, wherein a vortex pressure air duct and a tail jet pressure air duct arranged in sequence along the air flow direction are arranged in the engine housing, and a jet port is arranged at the end of the tail jet pressure air duct; a motor and a core shaft which are linked to each other are arranged in the engine housing, and rotating blades and a secondary turbine for rectifying and recovering vortex energy are arranged in sequence on the core along the air flow direction, and the secondary turbine is located at the end of the vortex pressure air duct. The secondary vortex culvert electric drive engine realizes efficient recovery and utilization of vortex energy, and at the same time greatly reduces the impact of vortex force on the air guide bracket, and is more energy-saving, has lower noise, better stability, and longer service life, and better solves the above-mentioned problems.

[0003] However, the secondary vortex culvert electric drive engine still has the following shortcomings when in use: the air filter structure at the intake end of the secondary vortex culvert electric drive engine, during the process of air intake when the engine is running, foreign matter in the air is also sucked into the secondary vortex culvert electric drive engine along with the air, which will further cause damage to the internal structure of the secondary vortex culvert electric drive engine, affecting the safe use of the secondary vortex culvert electric drive engine and resulting in poor use.

[0004] Therefore, it is necessary to further design the secondary vortex electric drive engine. Summary of the invention

[0005] In order to solve the above-mentioned problems existing in the prior art, the utility model provides a secondary vortex culvert electric drive engine. During the operation of the secondary vortex culvert electric drive engine body, the filter can effectively block foreign matter in the air, thereby preventing the foreign matter in the air from being sucked into the secondary vortex culvert electric drive engine body along with the air, and further causing damage to the internal structure of the secondary vortex culvert electric drive engine body, thereby ensuring the safe use of the secondary vortex culvert electric drive engine body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a secondary vortex culvert electric drive engine, comprising a secondary vortex culvert electric drive engine body, an end sleeve is arranged around the front end of the secondary vortex culvert electric drive engine body, a limiting card slot 1 is provided at the bottom of both sides of the front end of the end sleeve, and a limiting card slot 2 is provided at the middle position of the upper part of the front end of the end sleeve;

[0007] A ring body is connected to the front end of the end sleeve, and a filter screen is fixedly connected to the inside of the ring body. The bottom ends of both sides of the ring body are integrally formed with a limit block 1, and the limit block 1 is connected to the limit slot 1 by a clamping connection. A limit block 2 is integrally formed at the middle position of the upper end of the ring body, and the limit block 2 is connected to the limit slot 2 by a clamping connection. A limit hole is provided inside the limit block 2.

[0008] A fixed block is fixedly connected to one side of the upper front end of the end sleeve, a through hole is opened inside the fixed block, a limit clip is slidably connected inside the through hole, and the left end of the limit clip is engaged with the limit clip hole, a pull block is fixedly connected to the right end of the through hole, and a spring is fixedly connected between the pull block and the limit clip.

[0009] As a preferred technical solution for a secondary vortex culvert electric drive engine of the utility model, three fixing screw holes are opened around the rear end of the end sleeve, and fixing screws are screwed and connected inside the fixing screw holes.

[0010] As a preferred technical solution for a secondary vortex culvert electric drive engine of the utility model, the first limit slot and the second limit slot are both arc-shaped structures.

[0011] As a preferred technical solution for a secondary vortex culvert electric drive engine of the utility model, the limit block one and the limit block two are both arc-shaped structures, and the width of the limit block two is twice that of the limit block one.

[0012] As an optimal technical solution for a secondary vortex culvert electric drive engine of the utility model, the rear end right side surface of the limit block 2 and the front end left side surface of the limit slot 1 are both inclined surfaces and the inclination angles of the two inclined surfaces are the same.

[0013] As a preferred technical solution for a secondary vortex culvert electric drive engine of the utility model, a terminal button is fixedly connected to the middle position of the front end of the filter.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides an end sleeve and a filter at the air intake end of the secondary vortex culvert electric drive engine body. During the air intake process of the secondary vortex culvert electric drive engine body, the filter can effectively block foreign matter in the air, thereby preventing the foreign matter in the air from being sucked into the secondary vortex culvert electric drive engine body along with the air, and further causing damage to the internal structure of the secondary vortex culvert electric drive engine body, so as to ensure the safe use of the secondary vortex culvert electric drive engine body. At the same time, the filter can be quickly disassembled and assembled relative to the end sleeve, which is convenient for disassembling the filter for cleaning and for maintenance and inspection of the interior of the secondary vortex culvert electric drive engine body. The utility model is simple and convenient, and has better use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the end sleeve and the filter screen of the utility model;

[0019] Figure 3 for Figure 2 A rear view structural diagram of ;

[0020] Figure 4 for Figure 3 Schematic diagram of the structure viewed from above;

[0021] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at point A;

[0022] Figure 6 This is a schematic diagram of the end sleeve connection structure of the utility model;

[0023] Figure 7 It is a schematic diagram of the filter connection structure of the utility model.

[0024] In the figure: 1. Secondary vortex culvert electric drive engine body; 2. End sleeve; 3. Fixing screw hole; 4. Fixing screw; 5. Limiting slot 1; 6. Limiting slot 2; 7. Ring body; 8. Filter; 9. Terminal button; 10. Limiting block 1; 11. Limiting block 2; 12. Limiting hole; 13. Fixed block; 14. Through hole; 15. Limiting strip; 16. Pull block; 17. Spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0026] See also Figure 1-7The utility model provides the following technical solutions: a secondary vortex culvert electric drive engine, comprising a secondary vortex culvert electric drive engine body 1, an end sleeve 2 is arranged around the front end of the secondary vortex culvert electric drive engine body 1, three fixing screw holes 3 are opened around the rear end of the end sleeve 2, and the fixing screw holes 3 are screwed and connected with fixing screws 4 inside, wherein, through the setting of the fixing screw holes 3 and the fixing screws 4, the end sleeve 2 can be used for fixing and installing on the secondary vortex culvert electric drive engine body 1, and the secondary vortex culvert electric drive engine body 1 is also provided with fixing holes adapted to the fixing screw holes 3 and the fixing screws 4, which are not specifically shown in the figure;

[0027] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, further, the bottom of both sides of the front end of the end sleeve 2 is provided with a limit card groove 5, and the middle position of the upper front end of the end sleeve 2 is provided with a limit card groove 6. The limit card groove 5 and the limit card groove 6 are both arc-shaped structures. The front end of the end sleeve 2 is internally engaged with a ring body 7, and the inside of the ring body 7 is fixedly connected with a filter screen 8. The middle position of the front end of the filter screen 8 is fixedly connected with a terminal button 9.

[0028] The bottom ends of both sides of the ring body 7 are integrally formed with a limit block 10, and the limit block 10 is connected with the limit slot 15 by snapping, and the middle position of the upper end of the ring body 7 is integrally formed with a limit block 2 11, and the limit block 2 11 is connected with the limit slot 2 6 by snapping, and the limit block 10 and the limit block 2 11 are both arc-shaped structures, and the width of the limit block 2 11 is twice that of the limit block 10, wherein, through the setting of the end button 9, the ring body 7 and the filter screen 8 can be hand-held and disassembled relative to the end sleeve 2, and through the setting of the limit block 10 and the limit slot 15, and the limit block 2 11 and the limit slot 2 6, the initial snap-fit ​​positioning of the ring body 7 and the filter screen 8 relative to the end sleeve 2 can be achieved;

[0029] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, further, a limiting card hole 12 is provided inside the limiting card block 11, a fixed block 13 is fixedly connected to one side of the upper front end of the end sleeve 2, a through hole 14 is provided inside the fixed block 13, a limiting card strip 15 is slidably connected inside the through hole 14, and the left end of the limiting card strip 15 is engaged with the limiting card hole 12, the rear right side surface of the limiting card block 11 and the front left side surface of the limiting card slot 1 5 are both inclined surfaces, and the inclination angles of the two inclined surfaces are the same, a pull block 16 is fixedly connected to the right end of the through hole 14, and a spring 17 is fixedly connected between the pull block 16 and the limiting card strip 15, wherein By setting the limiting card hole 12 and the fixed block 13, the through hole 14, the limiting card strip 15, the pull block 16 and the spring 17, the ring body 7 and the filter screen 8 can be further limited and fixed after the initial engagement and positioning relative to the end sleeve 2, so as to prevent the ring body 7 and the filter screen 8 from moving out of the end sleeve 2. During operation, when the limiting card hole 12 on the limiting card block 11 is aligned with the limiting card strip 15 in the fixed block 13, the limiting card strip 15 with a bevel design can be automatically clamped in the limiting card hole 12 in the limiting card block 11 under the elastic force of the limiting card strip 15, which is simple and convenient and has better use.

[0030] In the present embodiment, the utility model is provided with an end sleeve 2 and a filter 8 at the air intake end of the secondary vortex culvert electric drive engine body 1. During the air intake process of the secondary vortex culvert electric drive engine body 1, the filter 8 can effectively block foreign matter in the air, thereby preventing foreign matter in the air from being sucked into the secondary vortex culvert electric drive engine body 1 along with the air, and further causing damage to the internal structure of the secondary vortex culvert electric drive engine body 1, so as to ensure the safe use of the secondary vortex culvert electric drive engine body 1. At the same time, the filter 8 can be quickly disassembled and assembled relative to the end sleeve 2, so that the filter 8 can be disassembled for cleaning and the internal maintenance of the secondary vortex culvert electric drive engine body 1 can be carried out. It is simple and convenient, and has better use.

[0031] The use process and working principle of the utility model: For the specific connection and use of the secondary vortex culvert electric drive engine body 1, please refer to the patent document with publication number CN218317339U, which will not be repeated here. During the operation and intake process of the secondary vortex culvert electric drive engine body 1, the filter 8 can effectively block foreign matter in the air, and prevent foreign matter in the air from being sucked into the secondary vortex culvert electric drive engine body 1 along with the air, and further causing damage to the internal structure of the secondary vortex culvert electric drive engine body 1, so as to ensure the safe use of the secondary vortex culvert electric drive engine body 1;

[0032] In the future, the limit card strip 15 can be pulled to the right by the pull block 16, and the spring 17 can be stretched, so that the right end of the limit card strip 15 can be disengaged from the limit card hole 12 on the limit card block 2 11, and the fixed state of the inner ring body 7 and the filter screen 8 at the front end of the end sleeve 2 can be released. Then, the filter screen 8 and the ring body 7 can be taken out from the end sleeve 2 through the end button 9, and the ring body 7 can be cleaned and cleaned. At the same time, it is also convenient to maintain and inspect the interior of the secondary vortex culvert electric drive engine body 1. After completing the above operations, the limit card block 10 can be aligned with the limit card slot 15. The limit card block 11 is engaged and aligned with the limit card slot 6. During the alignment and engagement of the limit card block 11 and the limit card slot 6, when the limit card hole 12 on the limit card block 11 is aligned with the limit card strip 15 in the fixed block 13, the limit card strip 15 with a bevel design can be automatically engaged in the limit card hole 12 in the limit card block 11 under the elastic force of the limit card strip 15, so as to further limit and fix the ring body 7 and the filter screen 8 after the initial engagement and positioning, so as to prevent the ring body 7 and the filter screen 8 from moving out of the end sleeve 2.

[0033] In addition, the contents not described in detail in this embodiment are all prior art and common knowledge.

[0034] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A secondary vortex culvert electric drive engine, comprising a secondary vortex culvert electric drive engine body (1), Features: An end sleeve (2) is arranged around the outside of the front end of the secondary vortex culvert electric drive engine body (1); a first limit slot (5) is provided at the bottom of both sides of the front end of the end sleeve (2); and a second limit slot (6) is provided at the middle position of the upper part of the front end of the end sleeve (2); A ring body (7) is snap-connected to the interior of the front end of the end sleeve (2), a filter screen (8) is fixedly connected to the interior of the ring body (7), limiting card blocks (10) are integrally formed at the bottom ends of both sides of the ring body (7), and the limiting card blocks (10) are snap-connected to the limiting card slot (5), and limiting card blocks (11) are integrally formed at the middle position of the upper end of the ring body (7), and the limiting card blocks (11) are snap-connected to the limiting card slot (6), and limiting card holes (12) are provided inside the limiting card blocks (11); A fixed block (13) is fixedly connected to one side of the upper front end of the end sleeve (2); a through hole (14) is provided inside the fixed block (13); a limit clamping strip (15) is slidably connected inside the through hole (14); the left end of the limit clamping strip (15) is snap-connected to the limit clamping hole (12); a pull block (16) is fixedly connected to the right end of the through hole (14); and a spring (17) is fixedly connected between the pull block (16) and the limit clamping strip (15).

2. A secondary vortex electric drive engine according to claim 1, Features: Three fixing screw holes (3) are formed around the rear end of the end sleeve (2), and fixing screws (4) are screwed into the interior of the fixing screw holes (3).

3. A secondary vortex electric drive engine according to claim 1, Features: The first limiting slot (5) and the second limiting slot (6) are both arc-shaped structures.

4. A secondary vortex electric drive engine according to claim 1, Features: The limiting block 1 (10) and the limiting block 2 (11) are both arc-shaped structures, and the width of the limiting block 2 (11) is twice that of the limiting block 1 (10).

5. The secondary vortex electric drive engine according to claim 1, Features: The rear right side surface of the second limiting card block (11) and the front left side surface of the first limiting card slot (5) are both inclined surfaces, and the inclination angles of the two inclined surfaces are the same.

6. The secondary vortex electric drive engine according to claim 1, Features: A terminal button (9) is fixedly connected to the middle position of the front end of the filter screen (8).

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