Exhaust device with low noise pollution

Abstract

The utility model discloses an exhaust device with low noise pollution, which comprises an exhaust pipe, one end of the exhaust pipe is fixedly provided with a silencer, two sides of the outer wall of the silencer are respectively provided with a noise reduction structure, each noise reduction structure comprises an arc-shaped plate, a lining plate, an arc-shaped block and a clamping assembly, the number of the noise reduction structures is two, and the arc-shaped plates are fixedly connected with the lining plates. The number of the arc-shaped blocks and the number of the clamping assemblies in one noise reduction structure are both two, the clamping assemblies are installed in the middles of the outer surfaces of one sides of the arc-shaped blocks, and each clamping assembly comprises an installation hole, a clamping pin, a guide groove, a guide rod and a compression spring. According to the exhaust device with the low noise pollution, the inner lining plate is arranged, the inner lining plate is made of rock wool, the inner lining plate covers the outer wall of the silencer, the noise reduction effect is achieved, the noise pollution is reduced, and the noise reduction structure is conveniently installed on the outer wall of the silencer in a clamped connection mode through the arranged clamping connection assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to an exhaust device with low noise pollution. Background Art

[0002] The automobile exhaust pipe is part of the engine exhaust system, and its main function is to discharge the exhaust gas generated by the engine.

[0003] The main function of a car exhaust muffler is to reduce engine exhaust noise, enable safe and effective discharge of high-temperature exhaust gas, and reduce noise pollution. The muffler is designed with an internal structure that allows two sound waves to interfere and cancel each other out when superimposed, thereby reducing the sound intensity and achieving a noise reduction effect.

[0004] In the prior art, when noise reduction is performed through a noise reduction structure, there is still a lot of noise, and there is a lot of room for improvement.

[0005] To this end, we propose an exhaust device with low noise pollution. Utility Model Content

[0006] (1) Technical problems solved

[0007] In view of the shortcomings of the existing technology, the utility model provides an exhaust device with low noise pollution, which is convenient for improving the noise reduction effect, reducing noise pollution, and is easy to assemble and disassemble, and can effectively solve the problems in the background technology.

[0008] (2) Technical solution

[0009] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a low-noise pollution exhaust device, comprising an exhaust pipe, a muffler fixedly installed at one end of the exhaust pipe, and noise reduction structures installed on both sides of the outer wall of the muffler, the noise reduction structure including an arc plate, an inner lining plate, an arc block and a clamping assembly, the number of the noise reduction structures is two groups, and the number of the arc blocks and the clamping assemblies in one group of the noise reduction structures is two groups, the clamping assembly is installed in the middle of the outer surface of one side of the arc block, the clamping assembly includes a mounting hole, a clamping pin, a guide groove, a guide rod and a compression spring, and the outer walls at both ends of the muffler are fixedly installed with a limit plate, and the left and right sides of the outer surface of one side of the limit plate are provided with clamping holes.

[0010] Preferably, the two groups of arc blocks are fixedly mounted on the outer surfaces of both ends of the arc plate, and the inner lining plate is bonded to the inner wall of the arc plate.

[0011] Preferably, the material of the lining plate is rock wool.

[0012] Preferably, the mounting hole is opened in the middle of the outer surface of one side of the arc block, the guide rod and the compression spring are both located in the mounting hole, the outer surface of one end of the guide rod is fixedly connected to the middle of one end of the mounting hole, the compression spring is movably sleeved on the outer wall of the guide rod, and the guide groove is opened in the middle of the outer surface of one end of the snap pin.

[0013] Preferably, an outer surface of one end of the compression spring is fixedly connected to one end of the mounting hole, and an outer surface of the other end of the compression spring is fixedly connected to an outer surface of one end of the locking pin.

[0014] Preferably, the outer wall of the snap-in pin is slidably connected to the mounting hole, the outer surface of one end of the snap-in pin is elastically connected to one end of the mounting hole through a compression spring, the snap-in pin is slidably connected to the outer wall of the guide rod through a guide groove, the outer wall of one end of the snap-in pin is snap-fitted to the snap-in hole, and the inner lining plate covers the outer wall of the muffler.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides an exhaust device with low noise pollution, which has the following beneficial effects:

[0017] 1. This low-noise exhaust device has an inner lining plate, the material of which is rock wool. The inner lining plate covers the outer wall of the muffler to reduce noise and reduce noise pollution.

[0018] 2. The low-noise-pollution exhaust device has a snap-fit ​​assembly, which allows the noise reduction structure to be easily mounted on the outer wall of the muffler by snap-fitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a low-noise pollution exhaust device of the utility model.

[0020] Figure 2 The utility model is a schematic diagram of the internal structure of a muffler in a low noise pollution exhaust device.

[0021] Figure 3 The utility model is a structural schematic diagram of a noise reduction structure in an exhaust device with low noise pollution.

[0022] Figure 4 This is a top cross-sectional view of an arc block and a clamping assembly in a low-noise pollution exhaust device of the utility model.

[0023] In the figure: 1. Exhaust pipe; 2. Muffler; 3. Noise reduction structure; 4. Limit plate; 5. Snap-in hole; 6. Arc plate; 7. Lining plate; 8. Arc block; 9. Snap-in assembly; 10. Mounting hole; 11. Snap-in pin; 12. Guide groove; 13. Guide rod; 14. Compression spring. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] This embodiment is an exhaust device with low noise pollution.

[0026] like Figure 1-4 As shown, it includes an exhaust pipe 1, a muffler 2 is fixedly installed at one end of the exhaust pipe 1, and noise reduction structures 3 are installed on both sides of the outer wall of the muffler 2. The noise reduction structure 3 includes an arc plate 6, an inner lining plate 7, an arc block 8 and a clamping assembly 9. There are two groups of noise reduction structures 3, and the number of arc blocks 8 and clamping assemblies 9 in one group of noise reduction structures 3 is two groups. The clamping assembly 9 is installed in the middle of the outer surface of one side of the arc block 8. The clamping assembly 9 includes a mounting hole 10, a clamping pin 11, a guide groove 12, a guide rod 13 and a compression spring 14. The outer walls of both ends of the muffler 2 are fixedly installed with a limit plate 4, and the left and right sides of the outer surface of one side of the limit plate 4 are provided with clamping holes 5.

[0027] Two sets of arc blocks 8 are fixedly mounted on the outer surfaces of both ends of the arc plate 6, and the inner lining plate 7 is bonded to the inner wall of the arc plate 6; the material of the inner lining plate 7 is rock wool; the mounting hole 10 is opened in the middle of the outer surface of one side of the arc block 8, the guide rod 13 and the compression spring 14 are both located in the mounting hole 10, the outer surface of one end of the guide rod 13 is fixedly connected to the middle of one end of the mounting hole 10, the compression spring 14 is movably sleeved on the outer wall of the guide rod 13, and the guide groove 12 is opened in the middle of the outer surface of one end of the clamping pin 11; the compression spring 14 The outer surface of one end is fixedly connected to one end of the mounting hole 10, and the outer surface of the other end of the compression spring 14 is fixedly connected to the outer surface of one end of the snap-in pin 11; the outer wall of the snap-in pin 11 and the mounting hole 10 are slidingly connected, and the outer surface of one end of the snap-in pin 11 is elastically connected to one end of the mounting hole 10 through the compression spring 14, and the snap-in pin 11 is slidingly connected to the outer wall of the guide rod 13 through the guide groove 12, and the outer wall of one end of the snap-in pin 11 is snap-fitted to the snap-in hole 5, and the inner lining plate 7 covers the outer wall of the muffler 2.

[0028] It should be noted that the present invention is an exhaust device with low noise pollution. The exhaust pipe 1 and the muffler 2 described in the text belong to the prior art and can be effectively known to the technicians in the relevant technical field. The specific details are not repeated here. The noise reduction structure 3 is set, and the number of noise reduction structures 3 is two. When assembling, the clamping pin 11 in the clamping assembly 9 is squeezed, and the clamping pin 11 slides along the mounting hole 10. The clamping pin 11 squeezes the compression spring 14 in the mounting hole 10, and the clamping pin 11 slides along the outer wall of the guide rod 13 through the guide groove 12, so that one end of the snap-in pin 11 enters the mounting hole 10, and then the arc plate 6 and the inner lining plate 7 are covered on the outer wall of the noise reduction structure 3. When the snap-in pin 11 is aligned with the snap-in hole 5, the reaction force of the compression spring 14 drives one end of the snap-in pin 11 to be snapped into the snap-in hole 5, thereby realizing the installation of the noise reduction structure 3. At this time, the inner lining plate 7 is covered on the outer wall of the muffler 2. The material of the inner lining plate 7 is rock wool, which plays a role in noise reduction and reduces noise pollution.

[0029] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "includes a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0030] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A low noise pollution exhaust device, comprising an exhaust pipe (1), one end of which is fixedly mounted a muffler (2), characterized in that: A noise reduction structure (3) is installed on both sides of the outer wall of the muffler (2), and the noise reduction structure (3) includes an arc plate (6), an inner lining plate (7), an arc block (8) and a clamping assembly (9). The number of the noise reduction structure (3) is two groups, and the number of the arc block (8) and the clamping assembly (9) in one group of the noise reduction structure (3) is two groups. The clamping assembly (9) is installed in the middle of the outer surface of one side of the arc block (8). The clamping assembly (9) includes a mounting hole (10), a clamping pin (11), a guide groove (12), a guide rod (13) and a compression spring (14). The outer walls of both ends of the muffler (2) are fixedly installed with a limit plate (4), and the left and right sides of the outer surface of one side of the limit plate (4) are provided with a clamping hole (5).

2. The low noise pollution exhaust device according to claim 1, characterized in that: The two groups of arc blocks (8) are fixedly mounted on the outer surfaces of both ends of the arc plate (6), and the inner lining plate (7) is bonded to the inner wall of the arc plate (6).

3. The low noise pollution exhaust device according to claim 2, characterized in that: The material of the inner lining plate (7) is rock wool.

4. The low noise pollution exhaust device according to claim 3, characterized in that: The mounting hole (10) is opened in the middle of the outer surface of one side of the arc block (8), the guide rod (13) and the compression spring (14) are both located in the mounting hole (10), the outer surface of one end of the guide rod (13) is fixedly connected to the middle of one end of the mounting hole (10), the compression spring (14) is movably sleeved on the outer wall of the guide rod (13), and the guide groove (12) is opened in the middle of the outer surface of one end of the clamping pin (11).

5. The low noise pollution exhaust device according to claim 4, characterized in that: The outer surface of one end of the compression spring (14) is fixedly connected to one end of the mounting hole (10), and the outer surface of the other end of the compression spring (14) is fixedly connected to the outer surface of one end of the locking pin (11).

6. The low noise pollution exhaust device according to claim 5, characterized in that: The outer wall of the snap-in pin (11) is slidably connected to the mounting hole (10); the outer surface of one end of the snap-in pin (11) is elastically connected to one end of the mounting hole (10) via a compression spring (14); the snap-in pin (11) is slidably connected to the outer wall of the guide rod (13) via a guide groove (12); the outer wall of one end of the snap-in pin (11) is snap-fitted to the snap-in hole (5); and the inner lining plate (7) covers the outer wall of the muffler (2).

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