Multi-stage microwell plate of engine silencer

Abstract

The utility model relates to the technical field of silencers, in particular to a multistage microporous plate of an engine silencer, which comprises a casing and a retaining cover detachably connected with the casing through a connecting component. The connecting assembly is composed of a connecting block and a limiting block, a spring is arranged in the limiting block for limiting, a check block is slidably inserted into a limiting hole of the shell, and a pressing assembly is arranged outside the check block. A limiting strip is arranged in the shell and is in sliding connection with the micropore partition plate, and a limiting ring on the edge of the micropore partition plate abuts against the filling layer. According to the design, rapid mounting and dismounting are achieved through the connecting assemblies and the limiting structures, and maintenance and replacement are convenient; the multi-layer micropore partition plate is matched with the filling layer, the structure is stable, the sealing performance is good, the number of layers can be flexibly adjusted, and the silencing effect and applicability are improved.

Description

Technical Field

[0001] This utility model relates to the field of muffler technology, specifically to a multi-stage microporous plate for an engine muffler. Background Technology

[0002] Engine mufflers are an indispensable component in modern internal combustion engine vehicles. Their main function is to reduce noise generated by the exhaust system and control exhaust emissions. Engine mufflers typically include microporous baffles and sound-absorbing filling materials, which work together to eliminate the sound generated from the exhaust system.

[0003] In the prior art, traditional engine mufflers typically use welding to fix microporous baffles inside a metal casing, and fill the space between every two microporous baffles with sound-absorbing material to improve the muffler effect. However, when maintenance or replacement is required, the baffle is fixed to the casing with bolts, while the microporous baffles are welded to the inner wall of the metal casing. This makes it complicated for operators to disassemble the baffles and inconvenient to maintain the internal microporous baffles and sound-absorbing material, increasing the difficulty of maintenance and thus affecting the performance of the engine muffler. Therefore, this utility model proposes a multi-stage microporous plate for engine mufflers to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to provide a multi-stage microporous plate for an engine muffler to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage microporous plate for an engine muffler, comprising: a housing, one end of which is detachably connected to a cover; characterized in that: a connecting component is provided on the side of the cover near the housing, the connecting component includes a connecting block, one end of which is fixedly connected to the cover, the other end of which is fixedly connected to a limiting block, a stop block is movably installed inside the limiting block, a first spring is fixedly connected between the stop block and the inner wall of the limiting block, the other end of the stop block is slidably inserted into a limiting hole opened on the outer ring surface of the housing, a pressing component is provided outside the limiting hole, the connecting block and the limiting block are slidably inserted into the end face of the housing, the inner ring surface of the housing is slidably connected to one side of several limiting strips, the other side of the several limiting strips is slidably inserted into a microporous partition, and limiting rings are fixedly connected to both sides of the edge of the microporous partition, the limiting rings abutting against the edge of the filling layer.

[0006] Preferably, a limiting groove is formed in a circumferential array on one end face of the housing near the cover, and the limiting groove is slidably connected to the connecting block and the limiting block.

[0007] Preferably, a sealing ring is fixedly connected to the side of the cover that abuts against the housing, and the sealing ring is slidably inserted into a groove on the end face of the housing.

[0008] Preferably, the pressing assembly includes a pressing post, which is slidably connected to a limiting hole. A limiting plate is fixedly connected to the end of the pressing post away from the stop block, and the limiting plate is fixedly connected to the outer ring surface of the housing through a second spring.

[0009] Preferably, the inner ring surface of the housing has a circumferential array of mounting grooves, which are slidably connected to one side of the limiting strip. The other side of the limiting strip is fixedly connected to a limiting post, which is slidably inserted into a positioning groove on the outer ring surface of the microporous partition.

[0010] Preferably, the limiting posts are arranged in a linear array on the side near the limiting strip, and the microporous partition and filling layer are arranged in a linear array inside the shell.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The multi-stage microporous plate for engine muffler proposed in this utility model achieves quick installation and disassembly of the cover and the housing through the setting of connecting components and limiting structures, simplifies the installation and disassembly process of the microporous partition and the filling layer, and improves the convenience of maintenance and replacement.

[0013] 2. This utility model adopts a multi-layer microporous partition and filling layer structure design. Through the cooperation of limiting strips and positioning grooves, the structural stability and sealing of the device are improved. At the same time, the number of microporous partition layers can be adjusted according to the needs, further improving the noise reduction effect and applicability of the engine muffler. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a bottom view of the overall structure of this utility model;

[0016] Figure 3 This is a side view of the internal structure of this utility model;

[0017] Figure 4 This is a top view of the internal structure of this utility model;

[0018] Figure 5 This is a cross-sectional view of the limiting block structure of this utility model;

[0019] Figure 6 This utility model Figure 4 Enlarged schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. Housing; 2. Cover; 3. Connecting block; 4. Limiting block; 5. Stop; 6. First spring; 7. Limiting hole; 8. Limiting strip; 9. Microporous partition; 10. Limiting ring; 11. Filling layer; 12. Limiting groove; 13. Sealing ring; 14. Groove; 15. Pressing post; 16. Limiting plate; 17. Second spring; 18. Mounting groove; 19. Limiting post; 20. Positioning groove. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Please see Figures 1 to 6 This utility model provides a technical solution: a multi-stage microporous plate for an engine muffler, comprising: a housing 1, one end of which is detachably connected to a cover 2. The detachability of the cover 2 facilitates operation of the internal components of the housing 1. A connecting assembly is provided on the side of the cover 2 near the housing 1, facilitating quick installation and removal between the cover 2 and the housing 1. The connecting assembly includes a connecting block 3, one end of which is fixedly connected to the cover 2, and the other end of which is fixedly connected to a limiting block 4. A stop 5 is movably installed within the limiting block 4, allowing the stop 5 to slide within the limiting block 4. A first... The other end of the spring 6 and the stop block 5 are slidably inserted into the limiting hole 7 opened on the outer ring surface of the housing 1. A pressing component is provided outside the limiting hole 7. Through the pressing component, the pressing stop block 5 can slide between the limiting hole 7 and the limiting block 4. The connecting block 3 and the limiting block 4 are slidably inserted into the end face of the housing 1. The inner ring surface of the housing 1 is slidably connected to one side of several limiting strips 8. The limiting strips 8 are arranged in a circumferential array inside the housing 1. The other side of several limiting strips 8 is slidably inserted into the microporous partition 9. Limiting rings 10 are fixedly connected to both sides of the edge of the microporous partition 9. The filling layer 11 is circular. The limiting rings 10 abut against the edge of the filling layer 11 to limit the filling layer 11.

[0023] When installing the microporous partition 9 and the filling layer 11, the filling layer 11 is first limited by the limiting ring 10, and then inserted into the side of the microporous partition 9, ensuring that the filling layer 11 is in close contact with the side wall of the microporous partition 9. Next, through the sliding insertion of the limiting strips 8 into the microporous partition 9, several limiting strips 8 can be arranged circularly on the outer ring surface of the microporous partition 9. After limiting the microporous partition 9 with the limiting strips 8, the limiting strips 8 are slidably inserted into the housing 1 through the sliding connection between the limiting strips 9 and the inner wall of the housing 1. Simultaneously, the limiting strips 8 drive the microporous partition 9 and the filling layer 11 into the housing 1 until one end of the limiting strip 8 abuts against the end of the inner wall of the housing 1 away from the cover 2. Finally, the cover 2 is placed on top. At one end of the housing 1, during this process, the stop block 5 is pressed into the limiting block 4, compressing the first spring 6. This allows the limiting block 4 and the connecting block 3 to slide into the end face of the housing 1 until the stop block 5 slides to the limiting hole 7. Under the reverse elastic force of the first spring 6, the stop block 5 is engaged in the limiting hole 7, completing the installation of the cover 2. This, in turn, completes the installation of the microporous partition 9 and the filling layer 11. When it is necessary to disassemble them, simply press the stop block 5 back into the limiting block 4 using the pressing component, pull the cover 2 away from the housing 1, and the cover 2 can be removed. Then, the limiting strip 8 can be taken out, and the microporous partition 9 and the filling layer 11 can be removed for maintenance or replacement. This simplifies the operation process and improves the practicality of the entire device.

[0024] A limiting groove 12 is formed in a circular array on one end face of the housing 1 near the cover 2. The limiting groove 12 is slidably connected to the connecting block 3 and the limiting block 4. The limiting groove 12 limits the connecting block 3 and the limiting block 4, allowing for faster docking between the cover 2 and the housing 1. A sealing ring 13 is fixedly connected to the side of the cover 2 that abuts against the housing 1. The sealing ring 13 is slidably inserted into a groove 14 formed on the end face of the housing 1. When the cover 2 abuts against the end face of the housing 1, the sealing ring 13 is inserted into the groove 14, improving the sealing performance of the connection between the cover 2 and the housing 1. The pressing assembly includes a pressing post 15, which is slidably connected to a limiting hole 7. A limiting plate 16 is fixedly connected to the end of the pressing post 15 away from the stop block 5. The limiting plate 16 is fixedly connected to the outer ring surface of the housing 1 via a second spring 17. When the cover 2 needs to be removed, pressing the limiting plate 16 causes the pressing post 15 to move, which in turn compresses the second spring 17. Pressing the stop block 5 by pressing the pressing column 15, and then the pressing column 15 is reset by the reverse elastic force of the second spring 17.

[0025] The inner ring surface of the housing 1 has a circumferential array of mounting grooves 18. The mounting grooves 18 are slidably connected to one side of the limiting strip 8. The mounting grooves 18 limit the limiting strip 8 to facilitate its installation. The other side of the limiting strip 8 is fixedly connected to a limiting post 19. The limiting post 19 is slidably inserted into a positioning groove 20 on the outer ring surface of the microporous partition 9. The microporous partition 9 is limited by the sliding insertion of the limiting post 19 and the positioning groove 20. The limiting post 19 is arranged in a linear array near the limiting strip 8. The microporous partition 9 and the filling layer 11 are arranged in a linear array inside the housing 1. By setting multiple layers of microporous partitions 9 and filling layers 11, these components work together to improve the elimination of sound generated from the exhaust system.

[0026] In actual use, when installing the microporous partition 9 and the filling layer 11, the filling layer 11 is first positioned by the limiting ring 10, and then inserted into the side of the microporous partition 9, ensuring that the filling layer 11 is in close contact with the side wall of the microporous partition 9. Next, through the sliding connection between the limiting strip 8 and the limiting post 19 on the upper part of the microporous partition 9 and the positioning groove 20 opened on the outer ring surface of the microporous partition 9, several limiting strips 8 can be arranged circularly on the outer ring surface of the microporous partition 9, thus limiting the microporous partition 9 and the filling layer 11. Then, through the sliding connection between the limiting strip 9 and the mounting groove 18 opened on the inner wall of the housing 1, the limiting strip 8 is slidably inserted into the housing 1, simultaneously driving the microporous partition 9 and the filling layer 11 into the housing 1 until... One end of the limiting strip 8 abuts against the inner wall of the housing 1 at the end away from the cover 2. Finally, the cover 2 is attached to one end of the housing 1. During this process, the stop block 5 is first pressed into the limiting block 4, causing it to slide into the limiting block 4. The limiting block 4 compresses the first spring 6, allowing the limiting block 4 and the connecting block 3 to slide into the limiting groove 12 opened on the end face of the housing 1, until the stop block 5 slides to the limiting hole 7. Under the reverse elastic force of the first spring 6, the stop block 5 slides out of the limiting block 4 and is locked in the limiting hole 7, completing the installation of the cover 2, and thus completing the installation of the microporous partition 9 and the filling layer 11. When it is necessary to disassemble it, by pressing the limiting plate 16, the limiting plate 16 drives the pressing column 15 to move into the limiting hole 7, which will compress the second spring 17. By pressing the stop block 5 with the pressing column 15, the stop block 5 is pressed into the limiting block 4 and slides out of the limiting hole 7. Then, the pressing column 15 is reset by the reverse elastic force of the second spring 17. The cover 2 is pulled away from the housing 1 to remove the cover 2. Then the limiting strip 8 is taken out, and the microporous partition 9 and the filling layer 11 can be taken out for maintenance or replacement. This simplifies the operation process and improves the practicality of the whole device. At the same time, each microporous partition 9 and the filling layer 11 can be replaced individually according to the degree of use.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-stage microporous plate for an engine muffler, comprising a housing (1), one end of which is detachably connected to a cover (2), characterized in that: The cover (2) is provided with a connecting component on the side near the housing (1). The connecting component includes a connecting block (3). One end of the connecting block (3) is fixedly connected to the cover (2), and the other end of the connecting block (3) is fixedly connected to the limiting block (4). A stop block (5) is movably installed inside the limiting block (4). A first spring (6) is fixedly connected between the stop block (5) and the inner wall of the limiting block (4). The other end of the stop block (5) is slidably inserted into the limiting hole (7) opened on the outer ring surface of the housing (1). A pressing component is provided outside the limiting hole (7). The connecting block (3) and the limiting block (4) are slidably inserted into the end face of the housing (1). The inner ring surface of the shell (1) is slidably connected to one side of several limiting strips (8), and the other side of several limiting strips (8) is slidably inserted into the microporous partition (9). Limiting rings (10) are fixedly connected to both sides of the edge of the microporous partition (9), and the limiting rings (10) abut against the edge of the filling layer (11).

2. The multi-stage microporous plate for an engine muffler according to claim 1, characterized in that: The housing (1) has a circumferential array of limiting grooves (12) on one end face near the cover (2), and the limiting grooves (12) are slidably connected to the connecting block (3) and the limiting block (4).

3. The multi-stage microporous plate for an engine muffler according to claim 2, characterized in that: The cover (2) is fixedly connected to the side of the housing (1) with a sealing ring (13), and the sealing ring (13) is slidably inserted into the groove (14) opened on the end face of the housing (1).

4. The multi-stage microporous plate for an engine muffler according to claim 1, characterized in that: The pressing assembly includes a pressing post (15), which is slidably connected to a limiting hole (7). A limiting plate (16) is fixedly connected to one end of the pressing post (15) away from the stop block (5). The limiting plate (16) is fixedly connected to the outer ring surface of the housing (1) through a second spring (17).

5. The multi-stage microporous plate for an engine muffler according to claim 4, characterized in that: The inner ring surface of the housing (1) is provided with a mounting groove (18) arranged in a circular array. The mounting groove (18) is slidably connected to one side of the limiting strip (8). The other side of the limiting strip (8) is fixedly connected to a limiting post (19). The limiting post (19) is slidably inserted into the positioning groove (20) opened on the outer ring surface of the microporous partition (9).

6. The multi-stage microporous plate for an engine muffler according to claim 5, characterized in that: The limiting post (19) is arranged in a linear array on the side near the limiting strip (8), and the microporous partition (9) and the filling layer (11) are arranged in a linear array inside the shell (1).

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