Integrated automobile exhaust purification and noise reduction device

By designing the limit ring and flange bolt structure, the purifier and noise reducer can be replaced and repaired independently, solving the maintenance inconvenience caused by overall disassembly and improving maintenance efficiency.

CN223424107UActive Publication Date: 2025-10-10CHONGQING YUHU AUTO PARTS CO LTD
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Patent Information

Application Number
CN202423026524.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-10-10
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

In existing integrated automobile exhaust purification and noise reduction devices, when the purifier and noise reducer are damaged, they need to be disassembled as a whole, which makes maintenance inconvenient and affects work efficiency.

Method used

An integrated automobile exhaust purification and noise reduction device was designed. By loosening the flange bolts to move the limit ring, the purifier and noise reducer can be replaced and repaired independently. The limit ring, flange nut, slide groove and stabilizer bar are used to ensure sealing and stable connection.

Benefits of technology

The purifier and noise reducer can be replaced and repaired independently, which improves the repair efficiency and avoids the problem of reduced efficiency caused by overall disassembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile exhaust purification, in particular to an integrated automobile exhaust purification and noise reduction device which comprises a purifier, a noise reducer is arranged on the right side of the purifier, a first pipeline is fixedly connected to the right end of the purifier, a limiting ring penetrates through the outside of the first pipeline, and first flange nuts are welded to the two sides of the outside of the limiting ring. According to the design, firstly, the flange bolts on the two sides of the first pipeline are loosened, so that the flange bolts are separated from the interiors of the second positioning holes, and then the first pipeline and the second pipeline are separated from the interiors of the second positioning holes; and the limiting ring is moved towards the left side along the outside of the first pipeline, then the flange bolt is rotated to penetrate through the interior of the first positioning hole, the sleeve is separated from the groove at the moment, and the purifier or the noise reducer can be conveniently and independently replaced and maintained at the moment.
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Description

Technical Field

[0001] The utility model relates to an integrated automobile exhaust purification and noise reduction device, in particular to an integrated automobile exhaust purification and noise reduction device, belonging to the technical field of automobile exhaust purification. Background Art

[0002] An integrated vehicle exhaust purification system typically includes key components such as a diesel oxidation catalyst (DOC), a particulate filter (DPF), a selective catalytic reducer (SCR), and an ammonia slip catalyst (ASC). These components work together to efficiently purify harmful substances from exhaust gas. Through catalytic action, carbon monoxide (CO) and hydrocarbons (HC) in exhaust gas are oxidized into carbon dioxide (CO2) and water (H2O), thereby reducing harmful emissions.

[0003] The purifiers and noise reducers commonly seen on the market are integrated. However, if one of the noise reducer and purifier is damaged, the entire device must be disassembled. The overall disassembly will reduce work efficiency and make replacement and maintenance inconvenient. Therefore, there is an urgent need to improve an integrated automobile exhaust purification and noise reduction device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an integrated automobile exhaust purification and noise reduction device. First, the flange bolts on both sides of the first pipe are loosened to disengage the flange bolts from the inside of the second positioning hole, and the limiting ring is moved to the left along the outside of the first pipe. The flange bolts are rotated again to pass through the inside of the first positioning hole. At this time, the sleeve is disengaged from the groove, which makes it convenient to independently replace and repair the purifier or the noise reducer.

[0005] In order to achieve the above-mentioned objectives, the main technical solutions adopted by the present invention include: an integrated automobile exhaust purification and noise reduction device, including a purifier, a noise reducer is provided on the right side of the purifier, the right end of the purifier is fixedly connected to a first pipe, the outside of the first pipe passes through a limiting ring, first flange nuts are welded on both sides of the outside of the limiting ring, the internal threads of the first flange nut are screwed together with flange bolts, three sliding grooves are provided around the outside of the first pipe, a group of stabilizing bars are provided inside the sliding grooves, a group of stabilizing bars are penetrated by a spring on the outside, three sliders are provided around the inner side of the left end of the limiting ring, a second pipe is connected to the right side of the first pipe, and first positioning holes are provided on both sides of the left end of the first pipe.

[0006] Preferably, the interiors of the three slide grooves are slidably connected to the exteriors of the three sliders, the exteriors of a group of stabilizing rods are inserted into the interiors of the sliders, the right ends of a group of stabilizing rods are connected to the second flange nut through threaded engagement, and the right ends of the three sliders are wrapped around the exteriors of the second flange nut through hidden grooves.

[0007] Preferably, a groove is provided at the right end of the first pipe, and a sleeve is provided at the left end of the second pipe. The outside of the sleeve fits inside the groove, and the inside of the limiting ring is wrapped around the outside of the second pipe.

[0008] Preferably, second positioning holes are provided on both sides of the exterior of the second pipe, the ends of the flange bolts fit into the interiors of the second positioning holes, and the inner diameter of the first positioning hole is larger than the diameter of the ends of the flange bolts.

[0009] Preferably, a sealing gasket is placed inside the groove, and the right side of the sealing gasket is tightly fitted with the right side of the sleeve. An air-sealing groove is opened on the right side of the second pipe, and a second air-sealing ring is provided on the left end face of the noise reducer, and the second air-sealing ring runs through the inside of the air-sealing groove.

[0010] Preferably, a connecting groove is provided at the right end of the purifier, and the left side of the first pipeline is connected to the connecting groove through a first air-sealing ring.

[0011] Preferably, the right end of the purifier is connected to the left side of the first pipe through two sets of bolts one, and the right end of the second pipe is connected to the left end of the noise reducer through two sets of bolts two.

[0012] The present invention has at least the following beneficial effects: first, the flange bolts on both sides of the first pipe are loosened. At this time, the flange bolts will rotate inside the first flange nut, thereby disengaging the flange bolts from the second positioning hole, and moving the limiting ring to the left along the outside of the first pipe. When the end of the flange bolt is aligned with the first positioning hole, the flange bolt is rotated again to make the end pass through the first positioning hole, so that the positioning ring will be fixed to the outside of the first pipe, thereby facilitating the disengagement of the sleeve inside the groove, and at this time, it is convenient for the purifier or noise reducer to be independently replaced and repaired. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0014] Figure 1 This is an overall schematic diagram of the purifier of the present utility model;

[0015] Figure 2The utility model discloses a purifier top schematic view;

[0016] Figure 3 The utility model discloses a first pipeline schematic view;

[0017] Figure 4 The utility model discloses a first pipeline explosion schematic view;

[0018] Figure 5 The utility model discloses a limiting ring schematic view;

[0019] Figure 6 The utility model discloses a Figure 5 A schematic view of the utility model;

[0020] Figure 7 The utility model discloses a limiting ring internal schematic view;

[0021] Figure 8 The utility model discloses a Figure 7 B schematic view of the utility model.

[0022] In the drawing, 1-purifier;2-noise reducer;3-first pipeline;301-limiting ring;302-first flange nut;303-flange bolt;304-slots;305-first positioning hole;306-first gas sealing ring;307-stabilizing rod;308-spring;309-second flange nut;310-sliding block;311-groove;4-second pipeline;401-gas sealing groove;402-second positioning hole;403-sleeve;5-second gas sealing ring. DETAILED DESCRIPTION

[0023] The embodiment of the application will be described in detail below with the accompanying drawings and examples, so that the realization process of how the application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0024] As Figures 1-8 The utility model discloses a kind of integrated automobile exhaust purification and noise reduction device, including purifier 1, the right side of purifier 1 is provided with noise reducer 2, the right end of purifier 1 is fixedly connected with first pipeline 3, the outside of first pipeline 3 is penetrated by limiting ring 301, the outside both sides of limiting ring 301 are welded first flange nut 302, the inside of first flange nut 302 is screw thread and is connected with flange bolt 303, the outside of first pipeline 3 is all set with three slots 304, the inside of slots 304 is all provided with a group of stabilizing rods 307, a group of stabilizing rods 307 are all penetrated by spring 308, the left end inboard of limiting ring 301 is all set with three sliding blocks 310, the right side of first pipeline 3 is inserted with second pipeline 4, the left end both sides of first pipeline 3 are all set with first positioning hole 305.

[0025] AsFigure 5 、 Figure 6 、 Figure 7 as well as Figure 8 As shown, further, the interiors of the three slide grooves 304 are slidably connected to the exteriors of the three sliders 310, the exteriors of a group of stabilizing rods 307 are inserted into the interior of the sliders 310, and the right ends of a group of stabilizing rods 307 are screwed together with the second flange nuts 309. The right ends of the three sliders 310 are wrapped around the outside of the second flange nuts 309 through hidden grooves. In this way, the limiting ring 301 is pushed to the left, and the limiting ring 301 can slide outside the first pipe 3. At this time, the slider 310 wrapped by the slide groove 304 can prevent the limiting ring 301 from rotating. The stabilizing rod 307 can push the limiting ring 301 to move to the right through the external spring 308, so that the interior of the limiting ring 301 can be wrapped around the outside of the second pipe 4, and the second flange nut 309 can prevent the slider 310 from separating from the stabilizing rod 307.

[0026] like Figure 4 As shown in Figure 6, further, a groove 311 is provided at the right end of the first pipe 3, and a sleeve 403 is provided at the left end of the second pipe 4. The outside of the sleeve 403 fits inside the groove 311, and the inside of the limiting ring 301 is wrapped around the outside of the second pipe 4. A sealing gasket is placed inside the groove 311, and the right side of the sealing gasket fits tightly with the right side of the sleeve 403. An air-tight groove 401 is provided on the right side of the second pipe 4, and a second air-tight ring 5 is provided on the left end face of the noise reducer 2. The second air-tight ring 5 passes through the air-tight groove 401. This method is beneficial for the right end of the first pipe 3 to pass through the left end of the second pipe 4. A sealing gasket is used to prevent air leakage when the gas passes through the internal gas of the first pipe 3 and enters the second pipe 4. The air-tight groove 401 is wrapped around the outside of the second air-tight ring 5, thereby preventing air leakage when passing through the second pipe 4 into the interior of the noise reducer 2, thereby sealing.

[0027] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 as well as Figure 7As shown, further, second positioning holes 402 are opened on both sides of the outside of the second pipe 4, the end of the flange bolt 303 is adapted to the inside of the second positioning hole 402, the inner diameter of the first positioning hole 305 is larger than the diameter of the end of the flange bolt 303, and a connecting groove is opened at the right end of the purifier 1. The left side of the first pipe 3 is connected to the connecting groove through the first closed air ring 306. The right end of the purifier 1 is connected to the left side of the first pipe 3 through two sets of bolts 1, and the right end of the second pipe 4 is connected to the left end of the noise reducer 2 through two sets of bolts 2. When the flange bolts 303 on both sides of the limiting ring 301 are loosened, the flange bolts 303 can be separated from the first positioning hole 305. At this time, the limiting ring 301 is pushed to the left, and the limiting ring 301 moves to the left along the first pipe 3. When the end of the flange bolt 303 corresponds to the second positioning hole 402, the flange bolt 303 is rotated inside the second flange nut 309, so that the end of the flange bolt 303 moves to the inside of the second positioning hole 402, and the limiting ring 301 is fixed to the outside of the first pipe 3.

[0028] like Figures 1-8 As shown, the principle of an integrated automobile exhaust purification and noise reduction device provided by this embodiment is as follows: first, loosen the flange bolts 303 on both sides of the first pipe 3. At this time, the flange bolts 303 will rotate inside the first flange nut 302, so that the flange bolts 303 are disengaged from the second positioning hole 402, and the limiting ring 301 is moved to the left along the outside of the first pipe 3. When the end of the flange bolt 303 is aligned with the first positioning hole 305, the flange bolt 303 is rotated again to make the end pass through the first positioning hole 305. Therefore, the positioning ring will be fixed to the outside of the first pipe 3, thereby facilitating the groove 311 to be inserted into the groove 311. The sleeve 403 at the end is detached, which makes it convenient for the purifier 1 or the noise reducer 2 to be replaced and repaired independently. After the repair is completed, the sleeve 403 is inserted into the groove 311. At this time, the end of the flange bolt 303 is detached from the first positioning hole 305. At this time, the springs 308 inside the three slide grooves 304 can push the three sliders 310 to drive the limit ring 301 to move to the right, so that the end of the flange bolt 303 corresponds to the second positioning hole 402. Rotating the flange bolt 303 can move along the first flange nut 302 to the inside of the second positioning hole 402. Therefore, the purifier 1 and the noise reducer 2 are installed.

[0029] The above description shows and describes several preferred embodiments of the present invention. However, as previously mentioned, it should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the present invention as taught herein or through the techniques or knowledge in the relevant field. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. An integrated automobile exhaust purification and noise reduction device, comprising a purifier (1), characterized in that: A noise reducer (2) is provided on the right side of the purifier (1), and a first pipe (3) is fixedly connected to the right end of the purifier (1), the outside of the first pipe (3) passes through a limiting ring (301), first flange nuts (302) are welded on both sides of the outside of the limiting ring (301), and the internal threads of the first flange nuts (302) are screwed together with flange bolts (303), three sliding grooves (304) are provided on the outside of the first pipe (3), a group of stabilizing rods (307) are provided inside the sliding grooves (304), and a spring (308) is passed through the outside of a group of stabilizing rods (307), and three sliders (310) are provided on the inner side of the left end of the limiting ring (301), a second pipe (4) is plugged into the right side of the first pipe (3), and first positioning holes (305) are provided on both sides of the left end of the first pipe (3).

2. The integrated automobile exhaust purification and noise reduction device according to claim 1, characterized in that: The interiors of the three sliding grooves (304) are all slidably connected to the exteriors of the three sliders (310), the exteriors of a group of stabilizing rods (307) are all inserted into the interiors of the sliders (310), the right ends of a group of stabilizing rods (307) are all connected to the second flange nuts (309) through threaded engagement, and the right ends of the three sliders (310) are all wrapped around the exteriors of the second flange nuts (309) through hidden grooves.

3. The integrated automobile exhaust purification and noise reduction device according to claim 1, characterized in that: A groove (311) is provided at the right end of the first pipe (3), and a sleeve (403) is provided at the left end of the second pipe (4). The outside of the sleeve (403) fits inside the groove (311), and the inside of the limiting ring (301) is wrapped around the outside of the second pipe (4).

4. The integrated automobile exhaust purification and noise reduction device according to claim 1, characterized in that: Second positioning holes (402) are provided on both sides of the exterior of the second pipe (4), the ends of the flange bolts (303) are adapted to the interiors of the second positioning holes (402), and the inner diameter of the first positioning hole (305) is larger than the diameter of the ends of the flange bolts (303).

5. The integrated automobile exhaust purification and noise reduction device according to claim 3, characterized in that: A sealing gasket is placed inside the groove (311), and the right side of the sealing gasket is tightly fitted with the right side of the sleeve (403). An air-sealing groove (401) is provided on the right side of the second pipe (4). A second air-sealing ring (5) is provided on the left end face of the noise reducer (2), and the second air-sealing ring (5) runs through the inside of the air-sealing groove (401).

6. The integrated automobile exhaust purification and noise reduction device according to claim 1, characterized in that: A connecting groove is provided at the right end of the purifier (1), and the left side of the first pipeline (3) is connected to the connecting groove via a first air-sealing ring (306).

7. The integrated automobile exhaust purification and noise reduction device according to claim 1, characterized in that: The right end of the purifier (1) is connected to the left side of the first pipe (3) through two sets of bolts (1), and the right end of the second pipe (4) is connected to the left end of the noise reducer (2) through two sets of bolts (2).