Quick-release multi-stage filtration automobile exhaust purification device

By using a quick-release multi-stage filtration structure and connecting it with positioning rings, positioning blocks, and screws, the problem of time-consuming and laborious disassembly of existing automotive exhaust purification devices is solved, enabling rapid disassembly and maintenance and avoiding damage to the outer casing.

CN223881264UActive Publication Date: 2026-02-06HENAN MECHANICAL & ELECTRICAL ENG COLLEGE
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Patent Information

Application Number
CN202520715119.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-06
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

Existing automotive exhaust purification devices require cutting during disassembly and maintenance, which damages the outer casing and is time-consuming and labor-intensive.

Method used

It adopts a quick-release multi-stage filtration structure, which uses positioning rings, positioning blocks and screws on the main pipe and the auxiliary pipe, combined with rubber gaskets and connecting cylinders, to achieve quick connection and disassembly, avoiding cutting and damaging the outer shell.

Benefits of technology

It enables quick disassembly and maintenance of the purification device, avoiding damage to the outer casing and saving time and effort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick release type multistage filtration automobile exhaust purification device which comprises a main pipe fitting, a first auxiliary pipe fitting and a second auxiliary pipe fitting, the first auxiliary pipe fitting and the second auxiliary pipe fitting are arranged at the two ends of the main pipe fitting respectively, positioning ring edges are arranged at the two ends of the main pipe fitting, and first positioning blocks are arranged on the side faces of the positioning ring edges of the main pipe fitting; positioning ring edges are arranged at the ends, close to the main pipe fitting, of the first auxiliary pipe fitting and the second auxiliary pipe fitting correspondingly, second positioning blocks are arranged on the side faces of the positioning ring edges of the first auxiliary pipe fitting and the second auxiliary pipe fitting, internal thread parts are arranged in the first positioning blocks and the second positioning blocks correspondingly, and meanwhile screws are inserted into the internal thread parts. Rubber ring pads are arranged in the positioning ring edge on the main pipe fitting and the positioning ring edges on the first auxiliary pipe fitting and the second auxiliary pipe fitting, after the purification device is used for completing a multi-stage mode, quick connection is achieved through screws, when disassembly or internal maintenance is conducted, the purification device is prevented from being cut open, a shell is prevented from being damaged, and meanwhile time and labor are saved during disassembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust purification device technical field, concretely relates to a quick detach type multistage filtration automobile exhaust purification device. BACKGROUND

[0002] The tail gas purification device of automobile exhaust pipe is a metal honeycomb carrier coated with noble metal catalyst, and the automobile tail gas passes through the carrier, and is converted into nontoxic water and carbon dioxide under the action of high temperature in the tail gas and the catalyst, the existing exhaust purification device is a whole type, and is connected by welding, when disassembling or maintaining the inside, the purification device needs to be cut, so that the shell is damaged, and time and effort are wasted. Therefore, the quick detach type multistage filtration automobile exhaust purification device is provided for solving the above problems. SUMMARY

[0003] The utility model discloses a quick detach type multistage filtration automobile exhaust purification device, and solves the problems in the above background.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a quick detach type multistage filtration automobile exhaust purification device, including main pipe spare, first auxiliary pipe spare and second auxiliary pipe spare, the both ends of main pipe spare are equipped with first auxiliary pipe spare and second auxiliary pipe spare respectively, and the both ends of main pipe spare are equipped with positioning ring edge simultaneously, and the both ends of first auxiliary pipe spare and second auxiliary pipe spare are equipped with positioning ring edge simultaneously, the first positioning block and the second positioning block are arranged on the positioning ring edge respectively, and the first positioning block and the second positioning block are inserted with screw simultaneously, and the rubber ring pad is arranged between the positioning ring edge, the end of first auxiliary pipe spare and second auxiliary pipe spare away from main pipe spare is equipped with the adapter tube, and the positioning nail is arranged in the lateral wall of adapter tube, and the positioning nail is inserted into the outer wall of first auxiliary pipe spare and the outer wall of second auxiliary pipe spare respectively.

[0005] Preferably, the outer ring of the port of the both ends of the main pipe spare is fixedly connected with the positioning ring edge, the outer side surface of the positioning ring edge is fixedly connected with a plurality of first positioning blocks, and the first positioning blocks on the same side are paired.

[0006] Preferably, the outer ring of the end of the first auxiliary pipe spare and the second auxiliary pipe spare close to the main pipe spare is fixedly connected with the positioning ring edge, the outer side surface of the positioning ring edge is fixedly connected with a plurality of second positioning blocks, and the second positioning blocks correspond to the first positioning blocks.

[0007] Preferably, the first positioning block and the second positioning block are attached, and the first positioning block and the second positioning block are both provided with an internal thread part, and the internal thread parts of the two are integrated.

[0008] Preferably, the female screw part is inserted into a fixing screw, and a hexagonal hole is formed in the end of the screw, a circle groove part is formed in the side of the positioning ring, and a rubber ring pad is clamped into the circle groove part.

[0009] Preferably, an internal thread hole is formed in the inner wall of the adapter barrel, a threaded segment is arranged in the middle of the positioning pin, the threaded segment is inserted into the internal thread hole, a pressing block is arranged below the positioning pin,

[0010] Preferably, a positioning groove part is formed in the outer wall of the first auxiliary pipe and the second auxiliary pipe, and the positioning groove part is inserted into the pressing block.

[0011] Preferably, T-shaped limiting blocks are arranged on the inner walls of the main pipe, the first auxiliary pipe and the second auxiliary pipe, the T-shaped limiting blocks are respectively inserted into the upper and lower ends of the filter assembly, and T-shaped limiting ports are arranged in the upper and lower ends of the filter assembly.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a positioning ring is arranged at the both ends of the main pipe, the side of the positioning ring of main pipe is equipped with first positioning block, the first auxiliary pipe and the second auxiliary pipe are equipped with the positioning ring on the one end close to the main pipe, and the side of the positioning ring of first auxiliary pipe and second auxiliary pipe is equipped with second positioning block, and the first positioning block and second positioning block are equipped with female screw part, and the female screw part is inserted into screw, and the positioning ring of main pipe and the positioning ring of first auxiliary pipe and second auxiliary pipe are equipped with rubber ring pad, utilize the purification device to be multi -stage mode, and the screw is connected quickly, when dismantling or maintaining internally, prevent the cutting of purification device, avoid damaging the shell, and the dismantling is time -saving and labor -saving. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without paying creative labor according to the provided drawings.

[0015] Figure 1 It is the overall schematic view of the utility model;

[0016] Figure 2 It is the overall side view schematic view of the utility model;

[0017] Figure 3 It is the side view schematic view of the main pipe of the utility model;

[0018] Figure 4 is a front view of the main pipe piece of the utility model;

[0019] Figure 5 is a whole internal section view of the utility model.

[0020] The labels in the drawings represent as follows:

[0021] 1, main pipe piece; 2, first auxiliary pipe piece; 3, second auxiliary pipe piece; 4, first positioning block; 5, second positioning block; 6, screw; 601, inner hexagonal port; 7, internal thread part; 8, ring groove part; 9, rubber ring pad; 10, positioning ring edge; 11, T-shaped limiting block; 12, filtering assembly; 13, T-shaped limiting port; 14, connecting cylinder; 15, positioning nail; 16, threaded section; 17, internal thread hole; 18, pressing block part; 19, positioning groove part. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a quick release formula multistage filtering automobile exhaust purification device, including main pipe piece 1, first auxiliary pipe piece 2 with second auxiliary pipe piece 3, and the both ends of main pipe piece 1 are equipped with first auxiliary pipe piece 2 with second auxiliary pipe piece 3 respectively, and the both ends of main pipe piece 1 are equipped with positioning ring edge 10 simultaneously, and the both ends of first auxiliary pipe piece 2 with second auxiliary pipe piece 3 are equipped with positioning ring edge 10 simultaneously, and positioning ring edge 10 is equipped with first positioning block 4 with second positioning block 5 respectively, and first positioning block 4 with second positioning block 5 are inserted with screw 6, and positioning ring edge 10 is equipped with rubber ring pad 9 between, and the both ends of first auxiliary pipe piece 2 with second auxiliary pipe piece 3 are equipped with connecting cylinder 14, and connecting cylinder 14 side wall is equipped with positioning nail 15, and positioning nail 15 is inserted in the outer wall of first auxiliary pipe piece 2 with second auxiliary pipe piece 3 respectively below.

[0024] In the embodiment, the positioning ring edge 10 is fixedly connected outside the port of the both ends of the main pipe piece 1, and the first positioning block 4 is fixedly connected to the outer side of the positioning ring edge 10, and the first positioning block 4 on the same side is paired.

[0025] Further, the first sub-pipe 2 and the second sub-pipe 3 are fixedly connected with the positioning ring edge 10 near one end of the main pipe 1, and a plurality of second positioning blocks 5 are fixedly connected to the outer side of the positioning ring edge 10, and the second positioning blocks 5 correspond to the first positioning blocks 4.

[0026] Further, the first positioning block 4 and the second positioning block 5 are in close contact, and the first positioning block 4 and the second positioning block 5 are both provided with an internal thread part 7, and the internal thread parts 7 of the two are combined into one.

[0027] Further, the internal thread part 7 is inserted with a fixedly connected screw 6, and the end of the screw 6 is provided with an internal hexagonal hole 601, and the inner side of the positioning ring edge 10 is provided with a ring groove part 8, and the ring groove part 8 is inserted with a fixedly connected rubber ring pad 9.

[0028] After the positioning ring edge 10 is provided at both ends of the main pipe 1 and near one end of the first sub-pipe 2 and the second sub-pipe 3, the main pipe 1, the first sub-pipe 2 and the second sub-pipe 3 are connected into one by the close contact between the positioning ring edges 10, and the main pipe 1, the first sub-pipe 2 and the second sub-pipe 3 are fixed by inserting the screw 6 into the internal thread part 7.

[0029] Half of the internal thread part 7 is provided in the first positioning block 4 and the second positioning block 5 respectively, and when the first positioning block 4 and the second positioning block 5 are combined, the internal thread parts 7 in the two become a whole, so that the screw 6 and the internal whole thread can be connected.

[0030] After the positioning ring edge 10 on the main pipe 1 and the positioning ring edge 10 on the first sub-pipe 2 and the second sub-pipe 3 are in close contact, the rubber ring pad 9 provided inside will also be in close contact, so that the close contact part is sealed.

[0031] In this embodiment, an internal thread hole 17 is provided on the inner wall of the adapter cylinder 14, a threaded segment 16 is provided in the middle of the positioning nail 15, the threaded segment 16 is inserted into the internal thread hole 17, a pressing block part 18 is provided below the positioning nail 15,

[0032] Further, the first sub-pipe 2 and the second sub-pipe 3 are both provided with a positioning groove part 19 on the outer wall, and the positioning groove part 19 is inserted with the fixedly connected pressing block part 18.

[0033] After the first sub-pipe 2 and the second sub-pipe 3 are both sleeved with the adapter cylinder 14, the first sub-pipe 2 and the second sub-pipe 3 are pressed tightly by the positioning nail 15 on the adapter cylinder 14, and the other end of the adapter cylinder 14 is also pressed tightly by the external connecting parts inserted therein.

[0034] In the embodiment, the T-shaped limiting blocks 11 are arranged on the inner walls of the main pipe 1, the first auxiliary pipe 2 and the second auxiliary pipe 3, and are inserted into the T-shaped limiting openings 13 of the filter assembly 12, and the T-shaped limiting openings 13 are arranged on the upper and lower ends of the filter assembly 12.

[0035] The filter assembly 12 is arranged in the main pipe 1, the first auxiliary pipe 2 and the second auxiliary pipe 3, and is clamped into the T-shaped limiting openings 13 of the filter assembly 12 by the T-shaped limiting blocks 11, so that the filter assembly 12 is arranged in the main pipe 1, the first auxiliary pipe 2 and the second auxiliary pipe 3.

[0036] Working principle:

[0037] The positioning ring edges 10 are arranged at the two ends of the main pipe 1, and the first positioning blocks 4 are arranged on the side surfaces of the positioning ring edges 10 of the main pipe 1, the positioning ring edges 10 are arranged at the ends of the first auxiliary pipe 2 and the second auxiliary pipe 3 close to the main pipe 1, and the second positioning blocks 5 are arranged on the side surfaces of the positioning ring edges 10 of the first auxiliary pipe 2 and the second auxiliary pipe 3, when the two ends of the main pipe 1 are combined with the first auxiliary pipe 2 and the second auxiliary pipe 3 respectively, the positioning ring edges 10 of the two sides are combined, and the first positioning blocks 4 and the second positioning blocks 5 of the two sides are combined into one, and the half internal thread parts 7 are arranged in the first positioning blocks 4 and the second positioning blocks 5, at this time, the internal thread parts 7 are combined into one, at this time, the screws 6 are inserted into the internal thread parts 7, so that the main pipe 1 is connected with the first auxiliary pipe 2 and the second auxiliary pipe 3 into one, and the whole purification device is multi-stage.

[0038] In addition, the rubber ring pads 9 are arranged in the positioning ring edges 10 of the main pipe 1 and the positioning ring edges 10 of the first auxiliary pipe 2 and the second auxiliary pipe 3, after the main pipe 1 is combined with the first auxiliary pipe 2 and the second auxiliary pipe 3, the rubber ring pads 9 seal the combined part, so that the inside of the whole purification device is sealed, the connection barrels 14 sleeved on the outer ends of the first auxiliary pipe 2 and the second auxiliary pipe 3 are connected with the external components, and the positioning nails 15 arranged on the connection barrels 14 can press the first auxiliary pipe 2 and the second auxiliary pipe 3 tightly, and the same structure of the outer ends of the connection barrels 14 can press the external components tightly, so that the first auxiliary pipe 2, the second auxiliary pipe 3 and the external components are sealed and connected, and can be disassembled respectively.

[0039] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The above examples are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements are also considered to fall within the protection scope of the present application.

Claims

1. A quick-release multi-stage filtering automobile exhaust purification device, comprising a main pipe (1), a first auxiliary pipe (2) and a second auxiliary pipe (3), characterized in that: The main pipe (1) is respectively provided with a first auxiliary pipe (2) and a second auxiliary pipe (3) at two ends, and a positioning ring edge (10) is arranged at one side of each end of the main pipe (1), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a positioning ring edge (10) at one side of the end close to the main pipe (1), and the positioning ring edge (10) is respectively provided with a first positioning block (4) and a second positioning block (5), and the first positioning block (4) and the second positioning block (5) are respectively provided with a screw (6), and the positioning ring edge (10) is provided with a rubber ring pad (9) between the positioning ring edge (10), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a connecting barrel (14) at the end away from the main pipe (1), and the connecting barrel (14) is provided with a positioning nail (15) in the side wall, and the positioning nail (15) is respectively inserted into the outer wall of the first auxiliary pipe (2) and the outer wall of the second auxiliary pipe (3) below.

2. The quick-release multi-stage filtration automobile exhaust purification device according to claim 1, characterized in that: The main pipe (1) is respectively provided with a first auxiliary pipe (2) and a second auxiliary pipe (3) at two ends, and a positioning ring edge (10) is arranged at one side of each end of the main pipe (1), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a positioning ring edge (10) at one side of the end close to the main pipe (1), and the positioning ring edge (10) is respectively provided with a first positioning block (4) and a second positioning block (5), and the first positioning block (4) and the second positioning block (5) are respectively provided with a screw (6), and the positioning ring edge (10) is provided with a rubber ring pad (9) between the positioning ring edge (10), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a connecting barrel (14) at the end away from the main pipe (1), and the connecting barrel (14) is provided with a positioning nail (15) in the side wall, and the positioning nail (15) is respectively inserted into the outer wall of the first auxiliary pipe (2) and the outer wall of the second auxiliary pipe (3) below.

3. The quick-release multi-stage filtration automobile exhaust purification device according to claim 2, characterized in that: The first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a first auxiliary pipe (2) and a second auxiliary pipe (3) at one side of the end close to the main pipe (1), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a positioning ring edge (10) at one side of the end close to the main pipe (1), and the positioning ring edge (10) is respectively provided with a first positioning block (4) and a second positioning block (5), and the first positioning block (4) and the second positioning block (5) are respectively provided with a screw (6), and the positioning ring edge (10) is provided with a rubber ring pad (9) between the positioning ring edge (10), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a connecting barrel (14) at the end away from the main pipe (1), and the connecting barrel (14) is provided with a positioning nail (15) in the side wall, and the positioning nail (15) is respectively inserted into the outer wall of the first auxiliary pipe (2) and the outer wall of the second auxiliary pipe (3) below.

4. The quick-release multi-stage filtration automobile exhaust purification device according to claim 3, characterized in that: The first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a first auxiliary pipe (2) and a second auxiliary pipe (3) at one side of the end close to the main pipe (1), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a positioning ring edge (10) at one side of the end close to the main pipe (1), and the positioning ring edge (10) is respectively provided with a first positioning block (4) and a second positioning block (5), and the first positioning block (4) and the second positioning block (5) are respectively provided with a screw (6), and the positioning ring edge (10) is provided with a rubber ring pad (9) between the positioning ring edge (10), and the first auxiliary pipe (2) and the second auxiliary pipe (3) are respectively provided with a connecting barrel (14) at the end away from the main pipe (1), and the connecting barrel (14) is provided with a positioning nail (15) in the side wall, and the positioning nail (15) is respectively inserted into the outer wall of the first auxiliary pipe (2) and the outer wall of the second auxiliary pipe (3) below.

5. The quick-release multi-stage filtration automobile exhaust purification device according to claim 4, characterized in that: ​ 6. The quick-release multi-stage filtration automobile exhaust purification device according to claim 1, characterized in that: ​ 7. The quick-release multi-stage filtration automobile exhaust purification device according to claim 6, characterized in that: ​ 8. The quick-release multi-stage filtration automobile exhaust purification device according to claim 1, characterized in that: ​