Diesel engine noise reduction device
By designing a diesel engine noise reduction device including a noise reduction cover, a silencer package, a fan and a cooling component, the problem of noise leakage and rapid cooling of existing devices is solved, and better noise reduction effect and normal use and life of the diesel engine are achieved.
Patent Information
- Application Number
- CN202422309777.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-09-23
AI Technical Summary
The existing diesel engine noise reduction device has noise leakage problems at the air inlet and outlet, which affects the noise reduction effect. It is difficult to quickly cool down, the architecture is complex, and it is inconvenient to use.
A diesel engine noise reduction device is designed, including mounting base, support, noise reduction cover, air inlet silence package, air outlet silence package, exhaust fan and cooling components. The noise reduction cover is equipped with a diesel engine output shaft and exhaust pipe give way to reduce noise and accelerate airflow through the exhaust fan, combining the inlet and outlet silence pack to achieve better noise reduction effect. The cooling component accelerates heat dissipation through the water ring structure.
It realizes the noise reduction effect of diesel engines with rapid cooling, simple architecture and easy to use, effectively reducing diesel engine noise and extending the service life of the diesel engine.
Smart Images
Figure CN222949963U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of diesel engines, in particular to a diesel engine noise reduction device. Background Art
[0002] A diesel engine is an internal combustion engine that uses diesel as fuel. A diesel engine is a compression ignition engine. A diesel engine is an engine that burns diesel to obtain energy release. The advantages of a diesel engine are high torque and good economic performance, but it will generate a lot of noise when in use, affecting the use environment.
[0003] The noise reduction devices for diesel engines currently used in the market basically use silencer covers, which are equipped with cooling devices. Air cooling can speed up the internal gas flow, but there are problems of noise leakage at the air inlet and outlet, which affects the noise reduction effect of the noise reduction cover. Summary of the invention
[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by this patent application is how to provide a diesel engine noise reduction device with rapid cooling, simple structure and easy use.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0006] A diesel engine noise reduction device comprises a mounting base and a support fixedly mounted on the mounting base, the diesel engine is fixedly mounted on the support, a noise reduction cover is fixedly mounted upward on the mounting base, the noise reduction cover is arranged on the outside of the diesel engine, and the noise reduction cover is provided with a diesel engine output shaft clearance hole and a diesel engine exhaust pipe clearance hole;
[0007] The noise reduction cover is provided with an air inlet and an air outlet, the air inlet is connected to an air inlet silencer bag, the air outlet is installed with an air outlet silencer bag, the outlet of the air outlet silencer bag is connected to an exhaust fan, and a cooling component is also installed on the noise reduction cover.
[0008] In this way, the diesel engine is fixedly mounted on the mounting base, and the noise reduction cover is arranged on the outside of the diesel engine. The output shaft and exhaust pipe of the diesel engine can be extended outward by setting the clearance hole of the diesel engine output shaft and the clearance hole of the diesel engine exhaust pipe. During use, the diesel engine will generate noise, and the noise reduction cover can reduce the noise. The exhaust fan is arranged to accelerate the flow of airflow, and the air inlet and outlet are respectively arranged with an air inlet silencer bag and an air outlet silencer bag to achieve a silencer effect and better reduce noise. The cooling component is arranged to accelerate the heat dissipation of the diesel engine, better ensure the normal use of the diesel engine and extend its life.
[0009] Among them, a positioning plate and a first connecting plate are fixed at the lower corner positions of the noise reduction cover, and a positioning pin and a second connecting plate are fixedly installed on the mounting base facing the positioning plate and the connecting plate respectively. A positioning hole that can be plugged with the positioning pin is opened on the positioning plate, and mounting holes are opened on the first connecting plate and the second connecting plate facing each other, and bolts pass through the mounting holes and are connected with nuts.
[0010] The cooling assembly includes a plurality of water rings arranged at intervals, the water rings are located inside the noise reduction cover and are fixedly connected to the noise reduction cover via pipe clamps, the water inlet and outlet ends of the water rings respectively pass through the noise reduction cover and are connected to the water inlet pipe and the water outlet pipe.
[0011] Wherein, a handle is fixedly installed on the noise reduction cover.
[0012] Wherein, the mounting base is respectively fixed with an output shaft lower sealing plate and an exhaust pipe lower sealing plate facing the diesel engine output shaft clearance hole and the diesel engine exhaust pipe clearance hole.
[0013] In summary, the diesel engine noise reduction device has the advantages of rapid cooling, simple structure and easy use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a schematic structural diagram of a diesel engine noise reduction device.
[0015] Figure 2 for Figure 1 Schematic diagram of another orientation.
[0016] Figure 3 for Figure 1 Exploded diagram of .
[0017] Figure 4 for Figure 1 A magnified schematic diagram of center A.
[0018] Figure 5 Schematic diagram of the noise reduction cover. DETAILED DESCRIPTION
[0019] The present invention is further described in detail below in conjunction with the accompanying drawings. In the description of the present invention, it should be understood that the directions or positional relationships indicated by directional words such as "upper, lower" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.
[0020] like Figure 1-5As shown, a diesel engine noise reduction device comprises a mounting base 1 and a support 2 fixedly mounted on the mounting base, the diesel engine is fixedly mounted on the support, a noise reduction cover 3 is fixedly mounted upward on the mounting base, the noise reduction cover is arranged on the outside of the diesel engine, and the noise reduction cover is provided with a diesel engine output shaft clearance hole 4 and a diesel engine exhaust pipe clearance hole 5;
[0021] The noise reduction cover is provided with an air inlet and an air outlet, the air inlet is connected to an air inlet silencer bag 6, the air outlet is installed with an air outlet silencer bag 7, the outlet of the air outlet silencer bag is connected to an exhaust fan 8, and a cooling component is also installed on the noise reduction cover.
[0022] In this way, the diesel engine is fixedly mounted on the mounting base, and the noise reduction cover is arranged on the outside of the diesel engine. The output shaft and exhaust pipe of the diesel engine can be extended outward by setting the give-way hole of the diesel engine output shaft and the give-way hole of the diesel engine exhaust pipe. During use, the diesel engine will generate noise, and the noise reduction cover can reduce the noise. The airflow is accelerated by setting the exhaust fan, and the air inlet and outlet are respectively provided with an air inlet silencer bag and an air outlet silencer bag to achieve a silencing effect and better reduce noise. A cooling component is provided to accelerate the heat dissipation of the diesel engine, better ensure the normal use of the diesel engine and extend its life. Both the Gini wind silencer bag and the air outlet silencer bag include a shell and a silencing structure installed in the shell, which is an existing structure.
[0023] During implementation, a positioning plate 11 and a first connecting plate 12 are fixed at the lower corner positions of the noise reduction cover, and a positioning pin 13 and a second connecting plate 14 are fixedly installed on the mounting base facing the positioning plate and the connecting plate respectively. A positioning hole that can be plugged with the positioning pin is opened on the positioning plate, and mounting holes 15 are opened on the first connecting plate and the second connecting plate facing each other, and bolts pass through the mounting holes and are connected with nuts.
[0024] In this way, the noise reduction cover is positioned by the cooperation of the positioning plate and the positioning pin, and the first connecting plate and the second connecting plate are connected with the bolts and nuts to facilitate fixing the noise reduction cover on the mounting base.
[0025] During implementation, the cooling assembly includes a plurality of water rings 16 arranged at intervals, the water rings are located inside the noise reduction cover and are fixedly connected to the noise reduction cover through pipe clamps, and the water inlet and outlet ends of the water rings respectively pass through the noise reduction cover and are connected to the water inlet pipe 17 and the water outlet pipe 18. Water is introduced through the water inlet pipe and discharged through the water outlet pipe, and the heat in the noise reduction cover is taken away by water circulation, so as to better resist high temperature.
[0026] During implementation, a handle 19 is fixedly mounted on the noise reduction cover for easy access.
[0027] During implementation, the mounting base is respectively fixed with an output shaft lower sealing plate 21 and an exhaust pipe lower sealing plate 22 facing the diesel engine output shaft clearance hole and the diesel engine exhaust pipe clearance hole. The output shaft lower sealing plate and the exhaust pipe lower sealing plate can reduce the amount of noise emitted from the diesel engine output shaft clearance hole and the diesel engine exhaust pipe clearance hole, reduce noise, reduce noise, and better meet the use requirements.
[0028] Finally, it should be noted that those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.
Claims
1. A diesel engine noise reduction device, characterized in that: It includes a mounting base and a support fixedly mounted on the mounting base, the diesel engine is fixedly mounted on the support, the mounting base is fixedly mounted with a noise reduction cover upward, the noise reduction cover is arranged on the outside of the diesel engine, and the noise reduction cover is provided with a diesel engine output shaft clearance hole and a diesel engine exhaust pipe clearance hole; The noise reduction cover is provided with an air inlet and an air outlet, the air inlet is connected to an air inlet silencer bag, the air outlet is installed with an air outlet silencer bag, the outlet of the air outlet silencer bag is connected to an exhaust fan, and a cooling component is also installed on the noise reduction cover.
2. A diesel engine noise reduction device according to claim 1, characterized in that: A positioning plate and a first connecting plate are fixed at the lower corner positions of the noise reduction cover, and a positioning pin and a second connecting plate are fixedly installed on the mounting base opposite to the positioning plate and the connecting plate respectively. A positioning hole that can be plugged with the positioning pin is opened on the positioning plate, and mounting holes are opened opposite to each other on the first connecting plate and the second connecting plate, and bolts pass through the mounting holes and are connected with nuts.
3. A diesel engine noise reduction device according to claim 2, characterized in that: The cooling assembly includes a plurality of water rings arranged at intervals, the water rings are located inside the noise reduction cover and are fixedly connected to the noise reduction cover via pipe clamps, the water inlet and outlet ends of the water rings respectively pass through the noise reduction cover and are connected to the water inlet pipe and the water outlet pipe.
4. A diesel engine noise reduction device according to claim 1, characterized in that: A handle is fixedly mounted on the noise reduction cover.
5. A diesel engine noise reduction device according to claim 1, characterized in that: The mounting base is respectively fixed with an output shaft lower sealing plate and an exhaust pipe lower sealing plate facing the diesel engine output shaft clearance hole and the diesel engine exhaust pipe clearance hole.