CN219412747U

CN219412747U - High-strength anti-cracking engine end cover

Info

Publication number: CN219412747U
Application number: CN202321025666.3U
Authority: CN
Inventors: 刘远涛; 陈建; 简晓朋
Original assignee: Chongqing Juji Precision Machinery Co ltd
Current assignee: Chongqing Juji Precision Machinery Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-07-25
Anticipated expiration: 2033-05-04

Abstract

The utility model relates to the technical field of engines and discloses a high-strength anti-cracking engine end cover which comprises an end cover body, wherein a left cavity is formed in the left end of the end cover body, a supporting net is fixedly connected to the inner wall of the left cavity, the shape of a net of an outer wall of the supporting net is matched with that of the inner wall of the left cavity, an acoustic board is slidably connected to the inner wall of the bottom end of the supporting net, the shape of the outer wall of the acoustic board is matched with that of the inner wall of the supporting net, a plurality of springs are fixedly connected to the bottom end of the acoustic board, the opposite ends of the springs are fixedly connected to the inner wall of the bottom end of the end cover body, a right cavity is formed in the right end of the end cover body, and the shape of the right cavity is identical with that of the left cavity. According to the utility model, the sound absorption structure is added, the noise generated in the using process of the engine is reduced through the resonance sound absorption principle, and meanwhile, the heat dissipation structure is arranged, so that the engine is overheated in the operating process of the engine, and the engine is damaged.

Description

High-strength anti-cracking engine end cover

Technical Field

The utility model relates to the technical field of automobile engines, in particular to a high-strength anti-cracking engine end cover.

Background

The front end cover and the rear end cover of the generator are aluminum alloy die castings, so that magnetic leakage can be reduced, the generator has the advantages of portability and good heat dissipation performance, in order to improve the mechanical strength of a bearing hole and increase the wear resistance of the bearing hole, a steel sleeve is embedded in a bearing seat hole of the end cover, one or two element plates are fixed in the rear end cover, a positive output line of the generator is output through a screw rod insulating sleeve on a positive element plate through a rotor on the rear end cover, and a brush holder is further arranged on the rear end cover.

When the current engine is used, the positive output line drives the rotor to run at a high speed and collide with air, so that huge noise is generated, operators are in a noise environment for a long time, the working efficiency of the operators is influenced, meanwhile, the rotor rubs with the rotating shaft under the high-speed running, high temperature is generated, the influence is caused on the internal parts of the engine and the metal of the engine shell, and the service life of the engine is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high-strength anti-cracking engine end cover.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high strength crack control engine end cover, includes the end cover body, end cover body left end is provided with left cavity, left side cavity inner wall fixedly connected with supporting network, supporting network outer wall shape agrees with left cavity inner wall shape mutually, supporting network bottom inner wall sliding connection has the abatvoix, abatvoix outer wall shape agrees with supporting network inner wall shape mutually, abatvoix bottom fixedly connected with a plurality of spring, the equal fixed connection in left cavity bottom inner wall in spring bottom, end cover body right-hand member is provided with right cavity, right side cavity shape is less than left cavity shape.

As a further description of the above technical solution:

the end cover body is characterized in that the front end and the rear end of the end cover body are fixedly connected with second sliding blocks, the bottom ends of the second sliding blocks are rotationally connected with rotating shafts, the outer walls of the rod bodies of the rotating shafts are fixedly connected with first sliding blocks, and threaded holes are formed in the inner walls of the bottom ends of the first sliding blocks.

As a further description of the above technical solution:

the left side of end cover body top is close to the front and back both sides of left cavity outer wall and all fixedly connected with fin, both ends all are provided with the louvre around the left cavity outer wall, the louvre is located under the fin.

As a further description of the above technical solution:

the inner wall of the supporting net is provided with a plurality of buffer holes, and the sizes of the buffer holes are the same as those of the radiating holes and are closely attached to the radiating holes.

As a further description of the above technical solution:

the inner wall of the bottom end of the right cavity is provided with a preformed hole, and the inner wall of the preformed hole is matched with the outer wall of an engine inner part.

As a further description of the above technical solution:

the end cover body top fixedly connected with protecting crust, protecting crust inner wall parcel end cover body outer wall.

As a further description of the above technical solution:

the right cavity top is provided with the mounting groove, the mounting groove agrees with the engine case outer wall.

As a further description of the above technical solution:

the inner wall of the sound-absorbing plate is provided with a plurality of sound-absorbing holes, and the diameters of the holes of the sound-absorbing holes are smaller than the diameters of the springs.

The utility model has the following beneficial effects:

1. in the utility model, the sound absorbing plate is added first, the outer wall of the sound absorbing plate is provided with a plurality of sound absorbing holes for absorbing the noise generated by the high-speed running of the engine, and after the noise is absorbed, the springs resonate with the noise, so that the noise hazard is reduced, and the influence on the work of operators is avoided.

2. In the utility model, the radiating fins are added, when the engine runs at a high speed, high temperature is generated, as the radiating fins extend outwards, the contact surface with air is increased, the temperature is reduced, meanwhile, the radiating holes are added, and the radiating holes are positioned below the radiating plate, when the air flows, the air flow adsorbs the internal temperature of the engine, so that the metal fatigue on the surface of the engine caused by the high temperature generated by the continuous running of the engine is avoided, and the service life of the engine is prolonged.

Drawings

FIG. 1 is a perspective view of a high strength anti-cracking engine end cover according to the present utility model;

FIG. 2 is a schematic view of a support net structure of a high strength anti-cracking engine end cover according to the present utility model;

FIG. 3 is a half cross-sectional view of a sound panel structure of a high strength anti-cracking engine end cover according to the present utility model;

fig. 4 is a schematic diagram of a first slider structure of a high-strength anti-cracking engine end cover according to the present utility model.

Legend description:

1. an end cap body; 2. a threaded hole; 3. a mounting groove; 4. a first slider; 5. a protective shell; 6. a heat sink; 7. a heat radiation hole; 8. a second slider; 9. a support net; 10. a sound absorbing panel; 11. buffering holes; 12. a sound absorbing hole; 13. a left chamber; 14. a right chamber; 15. a preformed hole; 16. a rotating shaft; 17. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a high strength crack control engine end cover, including end cover body 1, end cover body 1 left end is provided with left cavity 13, left cavity 13 inner wall fixedly connected with supporting network 9, supporting network 9 outer wall shape agrees with left cavity 13 inner wall shape, supporting network 9 stabilizes inner wall stable in structure, prevent end cover body 1 fracture, supporting network 9 bottom inner wall sliding connection has abatvoix 10, abatvoix 10 outer wall shape agrees with supporting network 9 inner wall shape mutually, through the resonance sound absorption principle, noise that produces in the reduction engine use, abatvoix 10 bottom fixedly connected with spring 17, spring 17 and abatvoix 10 resonance, the equal fixed connection in left cavity 13 bottom inner wall of spring 17 bottom, end cover body 1 right-hand member is provided with right cavity 14, right cavity 14 cavity shape is less than left cavity 13 shapes, be convenient for engine internal parts installation.

The front end and the rear end of the end cover body 1 are fixedly connected with the second sliding block 8, the bottom end of the second sliding block 8 is rotationally connected with the rotating shaft 16, the outer wall of the rod body of the rotating shaft 16 is fixedly connected with the first sliding block 4, the inner wall of the bottom end of the first sliding block 4 is provided with the threaded hole 2, the installation of the engine end cover body 1 is facilitated, the front side and the rear side of the left side of the top end of the end cover body 1 close to the outer wall of the left cavity 13 are fixedly connected with the cooling fins 6, the front end and the rear end of the outer wall of the left cavity 13 are provided with the cooling holes 7, the cooling fins 6 are contacted with air to reduce the temperature, as the cooling holes 7 are arranged in the gap between the cooling fins 6 and the end cover body 1, when the air flows, the air flow absorbs the high temperature in the engine, thereby reducing the internal temperature, thereby avoiding the fatigue of the surface metal of the engine caused by the high temperature generated by the continuous operation of the engine, prolonging the service life of the engine, the inner wall of the supporting net 9 is provided with a plurality of buffer holes 11, the size of the holes of the buffer holes 11 is the same as that of the holes of the heat dissipation holes 7 and the buffer holes are closely attached to each other, the buffer holes 11 arranged in the supporting net 9 buffer the impact force born by the end cover body 1, the end cover body 1 is prevented from being damaged by the impact force, the inner wall of the bottom end of the right cavity 14 is provided with a preformed hole 15, the inner wall of the preformed hole 15 is matched with the outer wall of an engine inner part, the installation of other parts of the engine is facilitated, the top end of the end cover body 1 is fixedly connected with a protective shell 5, the inner wall of the protective shell 5 wraps the outer wall of the end cover body 1, the protective shell 5 is made of high-speed steel, the protective shell body 1 is protected from being damaged, the top end of the right cavity 14 is provided with a mounting groove 3, the mounting groove 3 is matched with the outer wall of the engine shell, the inner wall of the sound absorbing plate 10 is provided with a plurality of sound absorbing holes 12, the diameter of the sound absorbing holes 12 is smaller than the diameter of the spring 17, the sound absorbing holes 12 absorb noise so as to reduce the noise after the springs 17 resonate with the sound absorbing plate 10 and avoid the noise from affecting operators.

Working principle: firstly, the end cover body 1 is arranged on an engine body along the mounting groove 3, the first sliding block 4 is rotated by the rotating shaft 16 to enable the first sliding block 4 to be clamped on the outer wall of the engine, the fixing bolt is arranged in the threaded hole 2 to stabilize the end cover body 1, the protecting shell 5 is made of high-speed steel, the protecting end cover body 1 is protected from being damaged, the supporting net 9 in the left cavity 13 arranged in the end cover body 1 stabilizes the inner wall structure and prevents the end cover body 1 from cracking, the buffer holes 11 arranged in the supporting net 9 buffer the impact force received by the end cover body 1, the sound absorbing plate 10 absorbs noise through the sound absorbing holes 12 during engine operation, vibration is generated when the noise is ejected to the sound absorbing plate 10, the spring 17 resonates with the sound absorbing hole, the noise absorbed by the sound absorbing holes 12 is effectively reduced, and the high temperature generated during engine operation is effectively reduced due to the fact that the heat radiating fins 6 and the gap between the end cover body 1 are provided with the heat radiating holes 7, when air flows, the air flow absorbs the high temperature in the engine, the heat in the engine is reduced by contacting with the air, the air temperature is reduced, the internal temperature is accordingly, the metal fatigue of the engine shell is avoided, and the engine is prolonged due to the high temperature generated by the continuous operation of the engine.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a high strength crack control engine end cover, includes end cover body (1), its characterized in that: the novel sound-absorbing end cover is characterized in that a left cavity (13) is formed in the left end of the end cover body (1), a supporting net (9) is fixedly connected to the inner wall of the left cavity (13), the outer wall of the supporting net (9) is matched with the inner wall of the left cavity (13), a sound-absorbing plate (10) is slidably connected to the inner wall of the bottom end of the supporting net (9), the outer wall of the sound-absorbing plate (10) is matched with the inner wall of the supporting net (9), a plurality of springs (17) are fixedly connected to the bottom end of the sound-absorbing plate (10), the bottom ends of the springs (17) are fixedly connected to the inner wall of the bottom end of the left cavity (13), a right cavity (14) is formed in the right end of the end cover body (1), and the shape of the right cavity (14) is smaller than the shape of the left cavity (13).

2. The high strength anti-cracking engine end cover of claim 1, wherein: the novel end cover is characterized in that the front end and the rear end of the end cover body (1) are fixedly connected with second sliding blocks (8), the bottom ends of the second sliding blocks (8) are rotationally connected with rotating shafts (16), the outer walls of rod bodies of the rotating shafts (16) are fixedly connected with first sliding blocks (4), and threaded holes (2) are formed in the inner walls of the bottom ends of the first sliding blocks (4).

3. The high strength anti-cracking engine end cover of claim 1, wherein: the heat radiation device is characterized in that heat radiation fins (6) are fixedly connected to the front side and the rear side of the top left side of the end cover body (1) close to the outer wall of the left cavity (13), heat radiation holes (7) are formed in the front end and the rear end of the outer wall of the left cavity (13), and the heat radiation holes (7) are located under the heat radiation fins (6).

4. The high strength anti-cracking engine end cover of claim 1, wherein: the inner wall of the supporting net (9) is provided with a plurality of buffer holes (11), and the sizes of the holes of the buffer holes (11) are the same as those of the holes of the radiating holes (7) and are close to each other.

5. The high strength anti-cracking engine end cover of claim 1, wherein: the inner wall of the bottom end of the right cavity (14) is provided with a preformed hole (15), and the inner wall of the preformed hole (15) is matched with the outer wall of an engine inner part.

6. The high strength anti-cracking engine end cover of claim 1, wherein: the end cover is characterized in that the top end of the end cover body (1) is fixedly connected with a protective shell (5), and the inner wall of the protective shell (5) wraps the outer wall of the end cover body (1).

7. The high strength anti-cracking engine end cover of claim 1, wherein: the top end of the right cavity (14) is provided with a mounting groove (3), and the mounting groove (3) is matched with the outer wall of the engine shell.

8. The high strength anti-cracking engine end cover of claim 1, wherein: the inner wall of the sound-absorbing plate (10) is provided with a plurality of sound-absorbing holes (12), and the diameters of the holes of the sound-absorbing holes (12) are smaller than those of the springs (17).