Waterproof exhaust pipe
By designing the combination of arc exhaust pipes, conical rings and heating wires, and combining the setting of sound silence cotton, the problem of existing water-intake-proof exhaust pipe devices affecting the exhaust effect is solved, and more efficient waterproofing and reduction are achieved Noise effect and enhance rust resistance.
Patent Information
- Application Number
- CN202421082732.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing water-proof exhaust pipe device blocks the exhaust port through the water barrier, which may affect the exhaust effect and is difficult to effectively prevent water from entering.
Design a water-proof exhaust pipe, which adopts a slightly bent arc exhaust pipe body that is combined with a conical ring, combines heating wire and silence cotton, and blocks water splashing through the conical ring and discharges through the drain pipe. A small part of the water is dried by heating wire, and a silencer cotton is provided in the gap between the outer shell and the inner shell to reduce noise.
It improves the waterproofing and noise reduction effect of the exhaust pipe, while maintaining the exhaust effect, preventing water from entering and affecting use, and increasing the anti-rust performance.
Smart Images
Figure CN222208062U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile exhaust pipes, in particular to an exhaust pipe that prevents water ingress. Background Art
[0002] The exhaust pipe is a part of the engine exhaust system, which is used to discharge the gas generated when the engine is working. Generally, a three-stage catalytic converter for controlling the emission of engine pollutants is also installed in the exhaust system. The exhaust pipe generally includes a front exhaust pipe and a rear exhaust pipe.
[0003] After searching, a Chinese patent with announcement number CN219910922U discloses a water-proof exhaust pipe. The device blocks the exhaust port of the second exhaust pipe body through a water baffle to prevent water from entering the exhaust pipe of the car. However, the use of a water baffle in the device will block the exhaust port. Although a gap is left, it may still affect the exhaust effect of the vehicle. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a water inlet-proof exhaust pipe.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A water ingress prevention exhaust pipe comprises an exhaust pipe body, wherein the exhaust pipe body is in an arc-shaped state slightly bent downward, both ends of the exhaust pipe body are fixedly connected with connecting pipes, a conical ring is fixedly connected inside the connecting pipe, an annular groove is provided on the circumferential inner wall of the connecting pipe, an avoidance opening connected to the annular groove is provided on the bottom of the connecting pipe, a drain pipe is fixedly connected inside the avoidance opening, and a heating wire is provided on the circumferential inner wall of the exhaust pipe body.
[0007] As a further solution of the present invention, the exhaust pipe body includes an outer shell, an inner shell is fixedly connected to the outer shell, and a gap is provided between the outer shell and the inner shell.
[0008] As a further solution of the utility model, sound-absorbing cotton is fixedly connected in the gap, and the sound-absorbing cotton is of the same length as the outer shell and the inner shell.
[0009] As a further solution of the utility model, one end of the connecting pipe is fixedly connected with a pipe head.
[0010] As a further solution of the utility model, one end of the pipe head is provided with an inclined surface, and the inclined surface is inclined from top to bottom toward the exhaust pipe body.
[0011] As a further solution of the utility model, the outer side of the exhaust pipe body is provided with an anti-rust coating.
[0012] As a further solution of the present invention, the heating wire is distributed in a threaded shape on the circumferential inner wall of the exhaust pipe body.
[0013] The beneficial effects of the utility model are:
[0014] 1. Through the use of the exhaust pipe body that is slightly bent downward and the conical ring, since the exhaust pipe body is in an arc-shaped state that is slightly bent downward, rainwater can be prevented from entering the exhaust pipe. At the same time, the conical ring can block most of the water splashing into the connecting pipe, and a small amount of water that enters the exhaust pipe is dried under the action of the heating wire, thereby preventing water from entering the exhaust pipe and affecting the use of the exhaust pipe, thereby improving the waterproof effect of the exhaust pipe.
[0015] 2. Through the setting of silencer cotton, during the operation of the exhaust pipe, the silencer cotton can silence the noise emitted by the exhaust pipe, thereby reducing the noise emitted by the exhaust pipe and improving the noise reduction effect of the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a water-intake-proof exhaust pipe proposed by the utility model;
[0017] Figure 2 This is a schematic diagram of a partially disassembled structure of a water inlet prevention exhaust pipe proposed by the utility model;
[0018] Figure 3 This is a partial cross-sectional structural schematic diagram of a water inlet prevention exhaust pipe proposed by the utility model;
[0019] Figure 4 This is a partial enlarged structural schematic diagram of a water inlet prevention exhaust pipe proposed by the utility model;
[0020] Figure 5 The utility model is a schematic diagram of the enlarged structure of the A part of the water inlet prevention exhaust pipe.
[0021] In the figure: 1. Exhaust pipe body; 2. Connecting pipe; 3. Pipe head; 4. Heating wire; 5. Drain pipe; 6. Anti-rust coating; 7. Conical ring; 8. Annular groove; 9. Outer shell; 10. Inner shell; 11. Silence cotton; 12. Avoidance port. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.
[0023] Reference Figure 1-Figure 5 , an anti-water inlet exhaust pipe, comprising an exhaust pipe body 1, the exhaust pipe body 1 is in an arc shape slightly bent downward, both ends of the exhaust pipe body 1 are fixed with connecting pipes 2 by bolts, a conical ring 7 is welded in the connecting pipe 2, an annular groove 8 is provided on the circumferential inner wall of the connecting pipe 2, a avoidance port 12 connected to the annular groove 8 is provided at the bottom of the connecting pipe 2, a drain pipe 5 is welded in the avoidance port 12, a heating wire 4 is provided on the circumferential inner wall of the exhaust pipe body 1, and since the exhaust pipe body 1 is in an arc shape slightly bent downward, it can prevent When rainwater enters the exhaust pipe body 1 and water on the road splashes into the connecting pipe 2 while the vehicle is driving, the conical ring 7 in the connecting pipe 2 will block a large amount of the splashed water, and the blocked water will enter the annular groove 8 and then be discharged through the drain pipe 5, thereby preventing a large amount of splashed water from entering the exhaust pipe body 1. A small amount of water that enters the exhaust pipe body 1 will be dried by the heating wire 4, preventing the water from entering the exhaust pipe and affecting the use of the exhaust pipe, thereby improving the waterproof effect of the exhaust pipe.
[0024] In the utility model, the exhaust pipe body 1 includes an outer shell 9, an inner shell 10 is fixed in the outer shell 9 by bolts, a gap is provided between the outer shell 9 and the inner shell 10, a sound-absorbing cotton 11 is bonded in the gap, and the sound-absorbing cotton 11 is equal in length to the outer shell 9 and the inner shell 10. In the process of exhausting the exhaust pipe body 1, the sound-absorbing cotton 11 will silence the noise emitted by the exhaust pipe body 1, thereby reducing the noise emitted by the exhaust pipe and improving the noise reduction effect of the exhaust pipe. One end of the connecting pipe 2 is fixed with a pipe head 3 by bolts, and one end of the pipe head 3 is provided with an inclined surface, which is inclined from top to bottom toward the exhaust pipe body 1. The outer side of the exhaust pipe body 1 is provided with an anti-rust coating 6, and the anti-rust coating 6 can increase the anti-rust performance of the exhaust pipe body 1. The heating wire 4 is threaded and evenly distributed on the circumferential inner wall of the exhaust pipe body 1. Since the heating wire 4 is evenly distributed, the water entering the exhaust pipe body 1 can be quickly heated and dried.
[0025] Working principle: When in use, since the exhaust pipe body 1 is in an arc-shaped state that is slightly bent downward, rainwater can be prevented from entering the exhaust pipe body 1. When the vehicle is driving and water on the road splashes into the connecting pipe 2, the conical ring 7 in the connecting pipe 2 will block a large amount of splashed water. The blocked water will enter the annular groove 8 and then be discharged through the drain pipe 5, thereby preventing a large amount of splashed water from entering the exhaust pipe body 1. A small amount of water that enters the exhaust pipe body 1 will be dried by the heating wire 4 to prevent water from entering the exhaust pipe and affecting the use of the exhaust pipe, thereby improving the waterproof effect of the exhaust pipe.
[0026] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.
Claims
1. A water ingress prevention exhaust pipe, comprising an exhaust pipe body (1), characterized in that: The exhaust pipe body (1) is in an arc-shaped state slightly bent downward, and both ends of the exhaust pipe body (1) are fixedly connected to a connecting pipe (2), a conical ring (7) is fixedly connected inside the connecting pipe (2), an annular groove (8) is provided on the circumferential inner wall of the connecting pipe (2), a relief opening (12) connected to the annular groove (8) is provided on the bottom of the connecting pipe (2), a drain pipe (5) is fixedly connected inside the relief opening (12), and a heating wire (4) is provided on the circumferential inner wall of the exhaust pipe body (1).
2. The water ingress-proof exhaust pipe according to claim 1, characterized in that: The exhaust pipe body (1) comprises an outer shell (9), an inner shell (10) is fixedly connected to the outer shell (9), and a gap is provided between the outer shell (9) and the inner shell (10).
3. The water ingress-proof exhaust pipe according to claim 2, characterized in that: A sound-absorbing cotton (11) is fixedly connected in the gap, and the sound-absorbing cotton (11) is of the same length as the outer shell (9) and the inner shell (10).
4. The water ingress-proof exhaust pipe according to claim 1, characterized in that: One end of the connecting pipe (2) is fixedly connected to a pipe head (3).
5. The water ingress-proof exhaust pipe according to claim 4, characterized in that: One end of the pipe head (3) is provided with an inclined surface, and the inclined surface is inclined from top to bottom toward the exhaust pipe body (1).
6. The water ingress-proof exhaust pipe according to claim 1, characterized in that: The outer side of the exhaust pipe body (1) is provided with an anti-rust coating (6).
7. The water ingress-proof exhaust pipe according to claim 1, characterized in that: The heating wire (4) is distributed in a threaded shape on the circumferential inner wall of the exhaust pipe body (1).