An engine exhaust muffler that is easy to clean

Abstract

The utility model relates to the technical field of engine exhaust silencers, and discloses an engine exhaust silencer that is easy to clean, including a device housing, a noise reduction ring fixedly connected to the outer wall of the device housing, an assembly plate connected to the front end of the device housing through a replacement component, an exhaust pipe fixedly connected to the front end of the assembly plate and penetrated, a filter tube fixedly connected to the rear end of the assembly plate, a plurality of filter screens fixedly connected to the inner wall of the filter tube, a butt joint tube fixedly connected to the rear end of the device housing and penetrated, an adjustment ring rotatably connected to the inner wall of the front end of the device housing, and a fixed column connected to the inner wall of the assembly plate through a noise reduction component. In the utility model, the device is convenient for cleaning carbon deposits, and the cleaning of carbon deposits can keep the internal components of the engine clean, improve combustion efficiency, and improve the silencer effect of the device, and reducing exhaust noise can improve driving comfort.

Description

Technical Field

[0001] The utility model relates to the technical field of engine exhaust mufflers, in particular to an engine exhaust muffler which is easy to clean. Background Art

[0002] An engine exhaust muffler (also called an exhaust silencer) is a device used to reduce engine exhaust noise. Its main function is to reduce exhaust noise by changing the direction of the exhaust airflow, reducing the speed of the exhaust airflow, and using sound-absorbing materials.

[0003] After searching, the announcement number CN220487706U is an easy-to-install engine exhaust silencer, including a silencer shell, a chamber is provided inside the silencer shell, the inner wall of the chamber is fixedly connected to the silencer cotton, two metal fiber sound-absorbing panels are fixedly connected inside the chamber, two through holes are provided on both sides of the silencer shell, the exhaust pipe and the intake pipe are plugged into the two through holes, multiple connector assemblies are fixedly connected to the periphery of the exhaust pipe and the intake pipe, multiple connector assemblies are movably connected to multiple slots, multiple slots are provided inside the two through holes, multiple threaded rods are fixedly connected to the top surface of the silencer shell, multiple threaded rods are plugged into the top plate, the top surface of the top plate is fixedly connected to two vertical plates, and the tops of the two vertical plates are fixedly connected to two connecting plates. After the utility model is used for a long time, a lot of carbon deposits are accumulated inside the silencer shell, which affects the filtering effect and the silencer effect. When it needs to be disassembled and cleaned, the coordination of the components is convenient for users to disassemble and clean, which brings convenience to users.

[0004] Based on the above patent, a lot of carbon deposits are accumulated inside the silencer shell of the device through various components, which affects the filtering effect and the silencer effect. When it needs to be disassembled and cleaned, the coordination of the components makes it convenient for users to disassemble and clean it, which brings convenience to users. However, when the device is disassembled to remove the accumulated carbon deposits in this patent, tools are needed to assist in disassembling the device, which causes the device to spend a lot of time when cleaning the carbon deposits, thereby affecting the user's efficiency in cleaning the carbon deposits in the device. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an engine exhaust muffler that is easy to clean, so that the device can clean carbon deposits conveniently. Cleaning carbon deposits can keep the internal components of the engine clean, improve combustion efficiency, and improve the muffler effect of the device. Reducing exhaust noise can improve driving comfort.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An engine exhaust muffler that is easy to clean comprises a device shell, an outer wall of the device shell is fixedly connected to a noise reduction ring, a front end of the device shell is connected to an assembly plate via a replacement component, an exhaust pipe is fixedly connected to and penetrates the front end of the assembly plate, a filter tube is fixedly connected to the rear end of the assembly plate, a plurality of filter screens are fixedly connected to the inner wall of the filter tube, a docking tube is fixedly connected to and penetrates the rear end of the device shell, an adjustment ring is rotatably connected to the inner wall of the front end of the device shell, and the inner wall of the assembly plate is connected to a fixing column via a noise reduction component.

[0008] Furthermore, the replacement component includes a plurality of bidirectional screws located on the inner wall of the adjustment ring and connected by a gear set, and the front and rear ends of the outer wall of the bidirectional screw are threadedly connected with moving blocks, and the moving blocks are rotatably connected to a connecting plate at one relative end, and the connecting plates are rotatably connected to an extrusion block at one relative end.

[0009] Furthermore, the noise reduction component includes a slide plate installed on the outer wall of the fixed column, and tension springs are fixedly connected between adjacent slide plates. The inner wall of the noise reduction ring is connected to a resonance plate through a plurality of springs, and a plurality of resonance holes are opened on the outer wall of the resonance plate.

[0010] Furthermore, the gear set includes an internal gear ring fixedly connected to the inner wall of the adjustment ring and a transmission gear fixedly connected to the rear end of the bidirectional screw, and the internal gear ring and the transmission gear are meshingly connected.

[0011] Furthermore, the front end of the bidirectional screw is rotatably connected to the front end of the inner wall of the device shell.

[0012] Furthermore, the opposite end of the moving block is slidably connected to the front inner wall of the device housing.

[0013] Furthermore, the extrusion block is detachably connected to the inner wall of the assembly plate at one opposite end.

[0014] Furthermore, the opposite ends of the springs are fixedly connected to the inner wall of the noise reduction ring, and the opposite ends of the springs are fixedly connected to the opposite ends of the resonance plate.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the internal gear ring, the transmission gear, the bidirectional screw, the moving block, the connecting plate and the extrusion block are used in combination, so that the device can clean the carbon deposits, and the cleaning of the carbon deposits can keep the internal parts of the engine clean, improve the combustion efficiency, thereby improving the performance and fuel economy of the engine, and help reduce the wear of the engine parts and extend the service life of the engine.

[0017] 2. In the utility model, the noise reduction effect of the device is improved by using a combination of a noise reduction ring, a slide plate, a tension spring, a spring, a resonance plate and a resonance hole, and reducing exhaust noise can improve driving comfort, reduce fatigue of the driver and passengers, improve driving experience, and reduce the interference of noise on people's lives and work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of an engine exhaust muffler that is easy to clean proposed by the utility model;

[0019] Figure 2 A half-section diagram of the device housing of an engine exhaust muffler that is easy to clean proposed by the utility model;

[0020] Figure 3 A half-section view of an assembly plate of an engine exhaust muffler that is easy to clean proposed by the utility model;

[0021] Figure 4 A half-section diagram of an adjustment ring of an engine exhaust muffler that is easy to clean proposed by the utility model;

[0022] Figure 5 A cross-sectional view of a noise reduction ring of an engine exhaust muffler that is easy to clean proposed by the utility model;

[0023] Figure 6 A half-section view of a slide plate of an engine exhaust muffler that is easy to clean, as proposed by the utility model.

[0024] Legend:

[0025] 1. Device housing; 2. Noise reduction ring; 3. Assembly plate; 4. Exhaust pipe; 5. Filter screen; 6. Filter tube; 7. Butt joint tube; 8. Adjustment ring; 9. Fixed column; 10. Internal gear ring; 11. Transmission gear; 12. Bidirectional screw; 13. Moving block; 14. Connecting plate; 15. Extrusion block; 16. Slide plate; 17. Tension spring; 18. Spring; 19. Resonance plate; 20. Resonance hole. DETAILED DESCRIPTION

[0026] 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.

[0027] Reference Figure 1-6The utility model provides an embodiment: an engine exhaust muffler that is easy to clean, comprising a device shell 1, a noise reduction ring 2 is fixedly connected to the outer wall of the device shell 1, an assembly plate 3 is connected to the front end of the device shell 1 through a replacement component, an exhaust pipe 4 is fixedly connected to the front end of the assembly plate 3 and penetrates, a filter tube 6 is fixedly connected to the rear end of the assembly plate 3, a plurality of filter screens 5 are fixedly connected to the inner wall of the filter tube 6, a docking tube 7 is fixedly connected to the rear end of the device shell 1 and penetrates, an adjusting ring 8 is rotatably connected to the inner wall of the front end of the device shell 1, a fixing column 9 is connected to the inner wall of the assembly plate 3 through a noise reduction component, the docking tube 7 is docked at the vehicle body, so that when exhaust gas is generated, the exhaust gas is transmitted to the device shell 1, and the exhaust gas is transmitted to the filter tube 6, so that the filter tube 6 and the filter screen 5 filter the carbon deposits in the exhaust gas.

[0028] Specifically, the inner wall of the adjusting ring 8 is connected to a plurality of bidirectional screws 12 through a gear set, the front and rear ends of the outer wall of the bidirectional screw 12 are threadedly connected to moving blocks 13, the moving blocks 13 are rotatably connected to a connecting plate 14 at one end thereof, the connecting plates 14 are rotatably connected to an extrusion block 15 at one end thereof, the inner wall of the adjusting ring 8 is fixedly connected to an inner gear ring 10, and the rear end of the bidirectional screw 12 is fixedly connected to a transmission gear 11, the inner gear ring 10 and the transmission gear 11 are meshedly connected, the front end of the bidirectional screw 12 is rotatably connected to the front end of the inner wall of the device housing 1, the opposite end of the moving block 13 is slidably connected to the front inner wall of the device housing 1, and the opposite end of the extrusion block 15 is detachably connected to the inner wall of the assembly plate 3, so as to adjust the filter screen. 5 and the filter tube 6 to clean the carbon deposits, rotate the adjusting ring 8 to make the inner gear ring 10 drive the transmission gear 11 to rotate, so that the transmission gear 11 drives the bidirectional screw 12 to make the moving block 13 move in opposite directions, so that the moving block 13 pulls the extrusion block 15 through the connecting plate 14, so that the extrusion block 15 falls off from the assembling plate 3, so that the user can pull out the assembling plate 3 to take out the filter tube 6 and the filter screen 5, so as to clean the carbon deposits in the device housing 1, which is convenient for the device to clean the carbon deposits, and the cleaning of the carbon deposits can keep the internal components of the engine clean, improve the combustion efficiency, thereby improving the performance and fuel economy of the engine, and help to reduce the wear of the engine components and extend the service life of the engine.

[0029] Specifically, the outer wall of the fixed column 9 is installed with a slide plate 16, and the adjacent slide plates 16 are fixedly connected with tension springs 17. The inner wall of the noise reduction ring 2 is connected with a resonance plate 19 through a plurality of springs 18. The outer wall of the resonance plate 19 is provided with a plurality of resonance holes 20. The opposite ends of the springs 18 are fixedly connected to the inner wall of the noise reduction ring 2, and the opposite ends of the springs 18 are respectively fixedly connected to the opposite ends of the resonance plates 19. The noise generated by the exhaust gas is transmitted from the outside of the filter tube 6 to the slide plate 16, so that the slide plate 16 vibrates at the tension spring 17. When the resonance plate 19 is subjected to noise, the resonance hole 20 at the resonance plate 19 is subjected to the flow of airflow, so that the resonance plate 19 vibrates synchronously under the action of the spring 18, so that the vibrations generated at the resonance plate 19 and the slide plate 16 cause the resonance plate 19 and the slide plate 16 to resonate, thereby achieving a resonance silencing effect, thereby improving the silencing effect of the device, and reducing exhaust noise can improve driving comfort, reduce fatigue of drivers and passengers, improve driving experience, and reduce the interference of noise on people's lives and work.

[0030] Working principle: dock the docking pipe 7 to the vehicle body, so that when exhaust gas is generated, the exhaust gas is transmitted to the device housing 1, and the exhaust gas is transmitted to the filter tube 6, so that the filter tube 6 and the filter screen 5 filter the carbon deposits in the exhaust gas. When it is necessary to clean the carbon deposits generated in the filter screen 5 and the filter tube 6, rotate the adjustment ring 8 to make the inner gear ring 10 drive the transmission gear 11 to rotate, so that the transmission gear 11 drives the bidirectional screw 12 to make the moving block 13 move in opposite directions, so that the moving block 13 pulls the extrusion block 15 through the connecting plate 14, so that the extrusion block 15 falls off the assembly plate 3, so that the user pulls out the assembly plate 3 to take out the filter tube 6 and the filter screen 5, thereby cleaning the carbon deposits in the device housing 1, making it convenient for the device to clean the carbon deposits, and the cleaning of the carbon deposits can keep the internal components of the engine clean and improve the fuel efficiency. The combustion efficiency is improved, thereby improving the performance and fuel economy of the engine, and it helps to reduce the wear of engine components and extend the service life of the engine. The noise generated by the exhaust gas is transmitted from the outside of the filter tube 6 to the slide plate 16, causing the slide plate 16 to vibrate at the tension spring 17. When the resonance plate 19 is subjected to the noise, the resonance hole 20 at the resonance plate 19 is circulated by the airflow, so that the resonance plate 19 is synchronously vibrated under the action of the spring 18, so that the vibrations generated at the resonance plate 19 and the slide plate 16 cause the resonance plate 19 and the slide plate 16 to resonate, thereby achieving the effect of resonance silencing, thereby improving the silencing effect of the device, and reducing the exhaust noise can improve driving comfort, reduce the fatigue of the driver and passengers, improve the driving experience, and reduce the interference of noise on people's lives and work.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An engine exhaust muffler that is easy to clean, comprising a device housing (1), characterized in that: The outer wall of the device housing (1) is fixedly connected to a noise reduction ring (2); the front end of the device housing (1) is connected to an assembly plate (3) via a replacement component; the front end of the assembly plate (3) is fixedly connected to an exhaust pipe (4) and penetrates through it; the rear end of the assembly plate (3) is fixedly connected to a filter tube (6); the inner wall of the filter tube (6) is fixedly connected to a plurality of filter screens (5); the rear end of the device housing (1) is fixedly connected to a docking tube (7) and penetrates through it; the inner wall of the front end of the device housing (1) is rotatably connected to an adjustment ring (8); and the inner wall of the assembly plate (3) is connected to a fixing column (9) via a noise reduction component.

2. The easy-to-clean engine exhaust muffler according to claim 1, characterized in that: The replacement assembly comprises a plurality of bidirectional screws (12) located on the inner wall of the adjustment ring (8) and connected via a gear set, the front and rear ends of the outer wall of the bidirectional screws (12) are both threadedly connected with moving blocks (13), the moving blocks (13) are rotatably connected with a connecting plate (14) at one relative end, and the connecting plates (14) are rotatably connected with an extrusion block (15) at one relative end.

3. The easy-to-clean engine exhaust muffler according to claim 1, characterized in that: The noise reduction component comprises a slide plate (16) installed on the outer wall of the fixed column (9), and tension springs (17) are fixedly connected between adjacent slide plates (16). The inner wall of the noise reduction ring (2) is connected to a resonance plate (19) through a plurality of springs (18), and the outer wall of the resonance plate (19) is provided with a plurality of resonance holes (20).

4. The easy-to-clean engine exhaust muffler according to claim 2, characterized in that: The gear set comprises an internal gear ring (10) fixedly connected to the inner wall of the adjustment ring (8) and a transmission gear (11) fixedly connected to the rear end of the bidirectional screw (12), and the internal gear ring (10) and the transmission gear (11) are meshingly connected.

5. The easy-to-clean engine exhaust muffler according to claim 2, characterized in that: The front end of the bidirectional screw (12) is rotatably connected to the front end of the inner wall of the device housing (1).

6. The easy-to-clean engine exhaust muffler according to claim 2, characterized in that: The opposite end of the moving block (13) is slidably connected to the front inner wall of the device housing (1).

7. The easy-to-clean engine exhaust muffler according to claim 2, characterized in that: The extrusion block (15) is detachably connected to the inner wall of the assembly plate (3) at one opposite end.

8. The easy-to-clean engine exhaust muffler according to claim 3, characterized in that: The opposite ends of the springs (18) are fixedly connected to the inner wall of the noise reduction ring (2), and the opposite ends of the springs (18) are fixedly connected to the opposite ends of the resonance plate (19).

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