CN216406974U

CN216406974U - Casing for a turbine engine

Info

Publication number: CN216406974U
Application number: CN202122642505.6U
Authority: CN
Inventors: 常海波
Original assignee: Suzhou Youbilong Precision Machinery Co ltd
Current assignee: Suzhou Youbilong Precision Machinery Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-29
Anticipated expiration: 2031-11-01

Abstract

The utility model belongs to the field of turbine engines, and particularly relates to a shell for a turbine engine, which comprises a shell body, wherein an air inlet is formed in the shell body, a support is connected to the shell body through a screw, a fan is arranged in the support, an annular groove is formed in the support, a support ring is connected in the annular groove in a sliding mode, a guide rod is welded on the support ring, a spring is arranged on the outer side of the guide rod, a filter screen is movably connected in the annular groove, and four limit pins are connected to the side wall of the support through threads. According to the utility model, through the arrangement of the support ring, the spring, the filter screen, the semicircular block, the limit pin, the connecting rod, the fan blade and other structures, air entering the shell body is filtered through the filter screen, the filter screen can rotate through the matching of the connecting rod and the fan blade, the rotation process of the filter screen vibrates through the matching of the semicircular block and the limit pin, the filter screen is prevented from being blocked due to dust attached to the filter screen, and the cooling efficiency of the fan on parts in the shell body is ensured.

Description

Casing for a turbine engine

Technical Field

The utility model relates to the technical field of turbine engines, in particular to a shell for a turbine engine.

Background

The turbine engine depends on combustion gas to generate thrust, air is sucked from the atmosphere, the air obtains energy and momentum after compression and heating processes, the air with the energy and the momentum is discharged from a thrust nozzle, and when high-speed gas is sprayed out of the engine, the turbine is driven to continuously rotate to maintain a working cycle. The casing of turbine engine can produce high temperature high fever after long-time the use, and among the prior art, the casing radiating rate for turbine engine is slow, and the heat dissipation is inhomogeneous, and simultaneously, the device is at the heat dissipation in-process, and the filter screen blocks up and influences the radiating efficiency easily. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shell for a turbine engine, which solves the problems of low radiating speed and uneven radiating of the shell and also solves the problem that the radiating efficiency is easily influenced by the blockage of a filter screen.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a casing for turbine engine, includes the casing body, the inlet port has been seted up on the casing body, there is the support through the screw connection on the casing body, be provided with the fan in the support, the annular has been seted up in the support, sliding connection has the support ring in the annular, the welding has the guide arm on the support ring, the outside of guide arm is provided with the spring, swing joint has the filter screen in the annular, the lateral wall of support has four spacer pins through threaded connection, the welding has the semicircle piece on the filter screen, the welding has the connecting rod on the filter screen, the welding has the flabellum on the connecting rod.

Preferably, the air inlet hole has a plurality of, a plurality of air inlet hole evenly distributed on the casing body.

Preferably, the side wall of the support is provided with a guide hole, and the guide hole is sleeved with a guide rod in a sliding manner.

Preferably, one end of the spring is welded with the support, and the other end of the spring is welded with the support ring.

Preferably, the support ring is welded with a lug, and the lug is in contact with the filter screen.

Preferably, four limiting pins are uniformly distributed on the support, and the limiting pins are in contact with the filter screen.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the air inlet holes, the support, the fan and other structures, air is sucked into the air inlet holes through the air draft of the fan, so that the air flow velocity in the shell body is accelerated, the heat dissipation speed is improved, and through the arrangement of the plurality of air inlet holes, parts in the shell body are uniformly ventilated, the local cooling of the parts is prevented from being nonuniform, and the service life is shortened.

2. According to the utility model, through the arrangement of the support ring, the spring, the filter screen, the semicircular block, the limit pin, the connecting rod, the fan blade and other structures, air entering the shell body is filtered through the filter screen, the filter screen can rotate through the matching of the connecting rod and the fan blade, the rotation process of the filter screen vibrates through the matching of the semicircular block and the limit pin, the filter screen is prevented from being blocked due to dust attached to the filter screen, and the cooling efficiency of the fan on parts in the shell body is ensured.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the utility model of FIG. 1;

FIG. 3 is a bottom view of the filter screen of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of the utility model at B in fig. 2.

In the figure: 1. a housing body; 2. an air inlet; 3. a support; 4. a fan; 5. a ring groove; 6. a support ring; 7. a guide bar; 8. a guide hole; 9. a spring; 10. filtering with a screen; 11. a bump; 12. a spacing pin; 13. a semicircular block; 14. a connecting rod; 15. a fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-5, a casing for a turbine engine includes a casing body 1, an air inlet 2 is provided on the casing body 1, a support 3 is connected to the casing body 1 through a screw, a fan 4 is provided in the support 3, an annular groove 5 is provided in the support 3, a support ring 6 is slidably connected to the annular groove 5, a guide rod 7 is welded to the support ring 6, a spring 9 is provided outside the guide rod 7, a filter screen 10 is movably connected to the annular groove 5, four limit pins 12 are connected to the side wall of the support 3 through threads, a semicircular block 13 is welded to the filter screen 10, a connecting rod 14 is welded to the filter screen 10, and a fan blade 15 is welded to the connecting rod 14.

Referring to fig. 2, there are a plurality of air inlets 2, and the plurality of air inlets 2 are uniformly distributed on the housing body 1. Through setting up a plurality of inlet ports 2 for fan 4 is more even to the cooling in the casing body 1.

Referring to fig. 4, a guide hole 8 is formed in the side wall of the support 3, and a guide rod 7 is slidably sleeved in the guide hole 8. The guide rod 7 is guided by providing the guide hole 8.

Referring to fig. 4, one end of the spring 9 is welded to the holder 3, and the other end of the spring 9 is welded to the support ring 6. The filter screen 10 is convenient to reset by arranging the spring 9.

Referring to fig. 5, the supporting ring 6 is welded with a bump 11, and the bump 11 contacts the filter screen 10. By providing the projections 11, the friction between the support ring 6 and the screen 10 is reduced.

Referring to fig. 5, four stopper pins 12 are uniformly distributed on the support 3, and the stopper pins 12 are in contact with the filter screen 10. The filter screen 10 is limited by the limiting pin 12.

The specific implementation process of the utility model is as follows: when the dust-proof air filter is used, the fan 4 is started to suck air into the air inlet holes 2, so that the air flow velocity in the shell body 1 is accelerated, the heat dissipation speed is improved, parts in the shell body 1 are uniformly ventilated by arranging the air inlet holes 2, the phenomenon that the parts are unevenly cooled locally is avoided, the service life is shortened, the air sucked by the fan 4 passes through the filter screen 10, in the process, the air flow drives the connecting rod 14 to rotate through the fan blades 15, the connecting rod 14 drives the filter screen 10 to rotate, the filter screen 10 rotates to drive the semicircular block 13 to move, the semicircular block 13 moves and collides with the limiting pin 12, in the collision process, the semicircular block 13 slides relative to the limiting pin 12, so that the filter screen 10 moves upwards, the spring 9 is compressed, after the semicircular block 13 completely passes through the limiting pin 12, the spring 9 resets, the filter screen 10 resets to impact the limiting pin 12, the filter screen 10 vibrates, and dust shakes, and further avoid filter screen 10 to adhere to the dust and cause the jam, guarantee fan 4 to the cooling efficiency of part in the casing body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A casing for a turbine engine, comprising a casing body (1), characterized in that: the improved air inlet structure is characterized in that an air inlet hole (2) is formed in the shell body (1), a support (3) is connected to the shell body (1) through a screw, a fan (4) is arranged in the support (3), an annular groove (5) is formed in the support (3), a support ring (6) is connected to the annular groove (5) in the sliding mode, a guide rod (7) is welded to the support ring (6), a spring (9) is arranged on the outer side of the guide rod (7), a filter screen (10) is movably connected to the annular groove (5), four limit pins (12) are connected to the side wall of the support (3) through threads, a semicircular block (13) is welded to the filter screen (10), a connecting rod (14) is welded to the filter screen (10), and fan blades (15) are welded to the connecting rod (14).

2. A casing for a turbine engine as in claim 1, wherein: the air inlet holes (2) are multiple, and the air inlet holes (2) are uniformly distributed on the shell body (1).

3. A casing for a turbine engine as in claim 1, wherein: a guide hole (8) is formed in the side wall of the support (3), and a guide rod (7) is sleeved in the guide hole (8) in a sliding mode.

4. A casing for a turbine engine as in claim 1, wherein: one end of the spring (9) is welded with the support (3), and the other end of the spring (9) is welded with the support ring (6).

5. A casing for a turbine engine as in claim 1, wherein: the welding has lug (11) on support ring (6), lug (11) and filter screen (10) contact.

6. A casing for a turbine engine as in claim 1, wherein: four spacer pins (12) evenly distributed on support (3), spacer pin (12) and filter screen (10) contact.