Automobile exhaust system
By adopting a combined design of catalytic converter, sealing ring and muffler in the automotive exhaust system, the problem of poor sealing at the connection between the central tube and the engine is solved, and efficient sealing and noise reduction of the exhaust system is achieved, and the filter network is passed Prevent blockage and improve the safety and service life of the system.
Patent Information
- Application Number
- CN202421042411.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The existing automobile exhaust system is not sealed at the connection between the center pipe and the engine during installation, resulting in the exhaust gas leaking from the connection gap and affecting the engine service life.
Using a combination design including a central tube, a catalytic converter, a connecting flange, a fixing hole and a sealing ring, the sealing properties of the central tube and the engine are improved through the sealing ring, and the harmful gases in the exhaust are converted through the catalytic converter. , in combination with the first and second mufflers, reduce exhaust noise, and use fixing bolts and mounting rings to cooperate with filters to prevent the exhaust tailpipe from being blocked.
It effectively avoids exhaust leakage, improves sealing and safety, while reducing exhaust noise and pollution, and keeps the exhaust system unobstructed through the filter, extending the service life of the exhaust tailpipe.
Smart Images
Figure CN222162741U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to automobile exhaust systems, in particular to an automobile exhaust system. Background Art
[0002] The automobile exhaust system is mainly used to discharge the exhaust gas discharged by the engine, while reducing the pollution and noise of the exhaust gas. The automobile exhaust system is mainly used in light vehicles, micro vehicles and buses, motorcycles and other motor vehicles. The automobile exhaust system refers to the system that collects and discharges exhaust gas, which is generally composed of exhaust manifold, exhaust pipe, catalytic converter, exhaust temperature sensor, automobile muffler and exhaust tail pipe.
[0003] However, the existing exhaust system has poor sealing effect at the connection between the center pipe and the engine during installation, which causes exhaust to leak from the connection gap during operation, causing damage to the automobile engine and affecting the service life of the engine. It is not practical, so the present application provides an automobile exhaust system to meet the needs. Utility Model Content
[0004] The purpose of the utility model is to provide an automobile exhaust system to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile exhaust system, comprising a central tube, a movable sleeve is installed at one end of the central tube, a catalytic converter is installed at one side of the movable sleeve, a connecting flange is installed at the other end of the catalytic converter, a fixing hole is opened on the surface of one side of the connecting flange, a sealing rubber ring is attached to one side of the connecting flange, a first muffler is installed at the other end of the central tube, a second muffler is installed at one side of the first muffler, a connecting ring is installed at the other side of the second muffler, a connecting pipe is installed at one side of the connecting ring, and an exhaust tail pipe is installed at the other end of the connecting pipe.
[0006] Preferably, the fixing holes are symmetrically arranged with respect to the central axis of the connecting flange, and the connecting flange is used in conjunction with the fixing holes.
[0007] Preferably, the sealing rubber ring is connected to the connecting flange by adhesive bonding, and one side of the connecting flange is tightly fitted to the sealing rubber ring.
[0008] Preferably, the connecting pipe is movably connected to the second muffler via a connecting ring, and the second muffler is used in conjunction with the first muffler.
[0009] Preferably, a protective shell is installed on the outer side of the exhaust tail pipe, and the inner side of the protective shell conforms to the shape of the outer side of the exhaust tail pipe.
[0010] Preferably, fixing bolts penetrate both sides of the exhaust tail pipe, and the other end of the fixing bolts is movably connected to a mounting ring, and a filter is installed inside the mounting ring.
[0011] Preferably, the mounting ring is threadedly connected to the exhaust tail pipe via fixing bolts, and the inner diameter of the exhaust tail pipe matches the diameter of the filter screen.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The automobile exhaust system is used in combination with a catalytic converter, a connecting flange, a fixing hole and a sealing rubber ring. The connecting flange and the fixing hole facilitate the installation of the center tube on the automobile engine. The sealing rubber ring can improve the sealing performance of the connection between the center tube and the automobile engine, thereby avoiding the exhaust gas leakage from the gap, improving the safety of the device when in use, and under the action of the catalyst inside the catalytic converter, the harmful gas in the exhaust gas is converted into a gas harmless to the human body and discharged, thereby protecting the environment;
[0014] 2. The automobile exhaust system, through the arrangement of the first muffler, the second muffler and the connecting ring, can reduce the exhaust pressure through the arrangement of the first muffler and the second muffler during the use of the device, thereby reducing the noise generated by the exhaust and reducing exhaust pollution;
[0015] 3. This automobile exhaust system, through the setting of fixing bolts, mounting rings and filters, can effectively prevent debris from entering the exhaust tail pipe and causing blockage of the exhaust tail pipe by installing the filter, so that the entire exhaust system can maintain smooth operation. The mounting ring can be disassembled through the setting of fixing bolts, which is convenient for replacing the filter. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the connecting flange of the utility model;
[0018] Figure 3 It is a structural schematic diagram of the second muffler of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the exhaust tail pipe of the utility model;
[0020] Figure 5 It is a structural schematic diagram of the filter screen of the utility model.
[0021] In the figure: 1. center pipe; 2. movable sleeve; 3. catalytic converter; 4. connecting flange; 5. fixing hole; 6. sealing rubber ring; 7. first muffler; 8. second muffler; 9. connecting ring; 10. connecting pipe; 11. exhaust tail pipe; 12. protective shell; 13. fixing bolt; 14. mounting ring; 15. filter. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-2 The utility model provides a technical solution: an automobile exhaust system, comprising a central tube 1, a movable sleeve 2 is installed at one end of the central tube 1, a catalytic converter 3 is installed at one side of the movable sleeve 2, a connecting flange 4 is installed at the other end of the catalytic converter 3, a fixing hole 5 is opened on the surface of one side of the connecting flange 4, the fixing holes 5 are symmetrically arranged with the central axis of the connecting flange 4, the connecting flange 4 and the fixing holes 5 are used in conjunction with each other, and the central tube 1 is conveniently installed on the automobile engine through the connecting flange 4 and the fixing holes 5, a sealing rubber ring 6 is attached to one side of the connecting flange 4, the sealing rubber ring 6 is connected to the connecting flange 4 by adhesive bonding, and one side of the connecting flange 4 is tightly attached to the sealing rubber ring 6, and the sealing performance of the connection between the central tube 1 and the automobile engine can be improved by setting the sealing rubber ring 6, thereby avoiding the exhaust gas leakage from the gap;
[0024] See also Figure 3 A first muffler 7 is installed at the other end of the central tube 1, a second muffler 8 is installed at one side of the first muffler 7, a connecting ring 9 is installed at the other side of the second muffler 8, a connecting pipe 10 is installed at one side of the connecting ring 9, the connecting pipe 10 is movably connected to the second muffler 8 through the connecting ring 9, the second muffler 8 is used in conjunction with the first muffler 7, and the exhaust pressure can be reduced by setting the first muffler 7 and the second muffler 8, thereby reducing the noise generated by the exhaust, and a protective shell 12 is installed on the outside of the exhaust tail pipe 11, the inner side of the protective shell 12 is consistent with the outer shape of the exhaust tail pipe 11, the protective shell 12 protects the exhaust tail pipe 11, and improves the service life of the exhaust tail pipe 11;
[0025] See also Figure 4-5An exhaust tail pipe 11 is installed at the other end of the connecting pipe 10, and fixing bolts 13 are passed through both sides of the exhaust tail pipe 11. The other end of the fixing bolt 13 is movably connected with a mounting ring 14, and a filter screen 15 is installed inside the mounting ring 14. By installing the filter screen 15, it is possible to effectively prevent debris from entering the exhaust tail pipe 11 and causing the exhaust tail pipe 11 to be blocked, so that the entire exhaust system remains unobstructed. The mounting ring 14 is threadedly connected to the exhaust tail pipe 11 through the fixing bolts 13, and the inner diameter of the exhaust tail pipe 11 coincides with the diameter of the filter screen 15. The setting of the fixing bolts 13 allows the mounting ring 14 to be disassembled, which is convenient for replacing the filter screen 15.
[0026] Working principle: When using the automobile exhaust system, first install the connecting flange 4 on the automobile engine, and then fix the connecting flange 4 through the fixing hole 5. The sealing rubber ring 6 can improve the sealing performance of the connection between the central pipe 1 and the automobile engine. Secondly, under the action of the catalyst inside the catalytic converter 3, the harmful gas in the exhaust is converted into a gas that is harmless to the human body and discharged. The exhaust pressure can be reduced and the noise generated by the exhaust can be reduced by the arrangement of the first muffler 7 and the second muffler 8. Finally, by installing the filter 15, it can effectively prevent debris from entering the exhaust tail pipe 11 and causing the exhaust tail pipe 11 to be blocked. In this way, the use process of the automobile exhaust system is completed.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automobile exhaust system, comprising a central pipe (1), characterized in that: A movable sleeve (2) is installed at one end of the central tube (1), a catalytic converter (3) is installed on one side of the movable sleeve (2), a connecting flange (4) is installed at the other end of the catalytic converter (3), a fixing hole (5) is opened on one side of the connecting flange (4), a sealing rubber ring (6) is attached to one side of the connecting flange (4), a first muffler (7) is installed at the other end of the central tube (1), a second muffler (8) is installed on one side of the first muffler (7), a connecting ring (9) is installed on the other side of the second muffler (8), a connecting pipe (10) is installed on one side of the connecting ring (9), and an exhaust tail pipe (11) is installed at the other end of the connecting pipe (10).
2. An automobile exhaust system according to claim 1, characterized in that: The fixing holes (5) are symmetrically arranged with respect to the central axis of the connecting flange (4), and the connecting flange (4) is used in conjunction with the fixing holes (5).
3. An automobile exhaust system according to claim 1, characterized in that: The sealing rubber ring (6) and the connecting flange (4) are connected by adhesive bonding, and one side of the connecting flange (4) is tightly fitted to the sealing rubber ring (6).
4. An automobile exhaust system according to claim 1, characterized in that: The connecting pipe (10) is movably connected to the second muffler (8) via a connecting ring (9), and the second muffler (8) is used in conjunction with the first muffler (7).
5. The automobile exhaust system according to claim 1, characterized in that: A protective shell (12) is installed on the outer side of the exhaust tail pipe (11), and the inner side of the protective shell (12) conforms to the shape of the outer side of the exhaust tail pipe (11).
6. An automobile exhaust system according to claim 1, characterized in that: Fixing bolts (13) are passed through both sides of the exhaust tail pipe (11); the other end of the fixing bolt (13) is movably connected to a mounting ring (14); a filter screen (15) is installed inside the mounting ring (14).
7. An automobile exhaust system according to claim 6, characterized in that: The mounting ring (14) is threadedly connected to the exhaust tail pipe (11) via a fixing bolt (13); the inner diameter of the exhaust tail pipe (11) matches the diameter of the filter screen (15).