Heat dissipation automobile exhaust pipe

Abstract

The utility model discloses a heat dissipation automobile exhaust pipe, which relates to the technical field of exhaust pipes and comprises a heat dissipation pipe fitting and an exhaust pipe fitting, one end of the heat dissipation pipe fitting is fixedly communicated with one end of the exhaust pipe fitting, and the heat dissipation pipe fitting comprises an air inlet pipe and a heat dissipation pipe. Through the arrangement of the radiating fins, the inner pipe and the partition plate, after automobile exhaust gas enters the radiating pipe, the radiating fins can play a better radiating role, and meanwhile, when exhaust gas flow passes through the radiating pipe, the exhaust gas continuously passes through the circulating holes or bypasses the partition plate after entering the inner pipe, so that the speed of the flow is reduced, the noise is reduced, and the effects of noise elimination and radiating are achieved; and meanwhile, when the rainwater is heavy, the rainwater impacts a bottom plate along a conical hole, so that a movable plate moves upwards, two sliding plates move in opposite directions at the moment, a through hole is in a closed state, the rainwater is prevented from continuously entering a first mounting pipe and a heat dissipation pipe downwards, the good anti-backflow effect is achieved, and the situation that the rainwater enters and causes automobile faults is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust pipes, in particular to a heat dissipation automobile exhaust pipe. Background Art

[0002] The car exhaust pipe is used to discharge the car exhaust gas. The exhaust pipe is part of the engine exhaust system. Due to the high temperature of the exhaust gas, after the car has been running for a long time, the car exhaust pipe will slowly become hot under the heating of the exhaust gas. If the car exhaust pipe is not cooled to a certain extent, this will directly affect the service life of the exhaust pipe, and the car exhaust pipe is also easily damaged.

[0003] For example, Chinese patent CN216429741U discloses an automobile exhaust pipe with good heat dissipation effect, including an exhaust pipe main body, a purification mechanism is arranged inside the exhaust pipe main body, an air outlet is penetrated in the outer wall of the purification mechanism, a spiral heat dissipation pipe is arranged around the outside of the purification mechanism, both ends of the spiral heat dissipation pipe are connected with heat conducting pipes, one end of two groups of heat conducting pipes penetrates the exhaust pipe main body, one end of the heat conducting pipe away from the spiral heat dissipation pipe is connected to a heat sink, one end of the exhaust pipe main body is connected to a first connecting pipe, and one end of the exhaust pipe main body is connected to a second connecting pipe.

[0004] However, in the prior art, the heat dissipation performance of the current automobile exhaust pipe is relatively poor, and the current automobile exhaust pipe does not have the function of preventing backflow. In the rainy season, when the car is parked in a low-lying area, when the rainfall is heavy, the accumulated water is easy to enter the exhaust pipe, which can easily cause the car to malfunction. In view of the above problems, a heat dissipation automobile exhaust pipe is proposed. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes a heat dissipation automobile exhaust pipe.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a heat dissipation automobile exhaust pipe, comprising a heat dissipation pipe fitting and an exhaust pipe fitting, one end of the heat dissipation pipe fitting is fixedly connected to one end of the exhaust pipe fitting, the heat dissipation pipe fitting comprises an air intake pipe and a heat dissipation pipe, a plurality of heat dissipation fins are arranged in an annular array on the inner wall of the heat dissipation pipe, an inner pipe is sleeved inside the heat dissipation pipe, and a plurality of flow holes are penetrated through an annular array on the outer wall of the inner pipe, a plurality of partitions are evenly and fixedly connected to the inner wall of the inner pipe, the exhaust pipe fitting comprises a mounting pipe 1, an anti-backflow pipe, a mounting pipe 2, an exhaust pipe, a movable plate, a bottom plate and a top plate, the bottom of the top plate is welded to the top of the anti-backflow pipe, and the top of the top plate is welded to the bottom of the mounting pipe 1, and the bottom of the top plate is welded to the top of the anti-backflow pipe, and a top hole is penetrated through the top of the top plate.

[0007] Preferably, one end of the heat dissipation pipe is welded to one end of the air inlet pipe, and the other end of the heat dissipation pipe is fixedly connected to one end of the mounting pipe.

[0008] Preferably, one end of the second mounting pipe is fixedly connected to the bottom of the backflow prevention pipe, and the other end of the second mounting pipe is welded to one end of the exhaust pipe.

[0009] Preferably, a tapered hole is provided inside the second mounting tube, and two exhaust passages are provided inside the second mounting tube.

[0010] Preferably, the inner wall of the anti-backflow pipe is symmetrically provided with sliding grooves, and the top of the movable plate is penetrated with a through hole.

[0011] Preferably, slide plates are symmetrically slidably mounted on both ends of the movable plate, and one end of the slide plate is symmetrically fixedly connected with two sliding blocks.

[0012] Preferably, one end of the slide plate is slidably connected to the slide groove via a slider, and two ends of the top of the bottom plate are symmetrically fixedly connected with fixing rods.

[0013] Preferably, the top of the fixing rod is welded to the bottom of the movable plate, and the outer edge of the bottom plate fits with the inner wall of the tapered hole.

[0014] Preferably, two mounting rings are symmetrically fixedly connected to both ends of the heat dissipation pipe.

[0015] Preferably, two fixing rings are symmetrically welded at both ends of the heat dissipation pipe.

[0016] Compared with the prior art, the advantages and positive effects of the utility model are:

[0017] 1. In the utility model, by arranging the heat dissipation pipe fittings, when the automobile exhaust gas enters the heat dissipation pipe along the air intake pipe, the heat sink can achieve a better heat dissipation effect. At the same time, when the exhaust gas flows through the heat dissipation pipe, the exhaust gas continuously passes through the flow holes or bypasses the partition after entering the inner pipe, so that the air flow speed is reduced and the noise is reduced, thereby achieving the effect of silencing and heat dissipation, improving the heat dissipation performance and silencing performance of the automobile exhaust pipe, and extending the service life of the exhaust pipe.

[0018] 2. In the utility model, by arranging the exhaust pipe fitting, when the rain is heavy, the rain impacts the bottom of the bottom plate along the tapered hole, so that the movable plate and the slide plate move upwards, and when the sliders at both ends of the slide plate move upwards along the slide groove, since the slide groove is inclined, the two slide plates will move toward each other at this time, that is, when the bottom plate is impacted by the rain, the movable plate and the slide plate move upwards quickly, and the two slide plates move toward each other to close the through hole, thereby preventing the rain from continuing to enter the installation pipe and the heat dissipation pipe downwards, playing a good role in preventing backflow and preventing the rain from entering and causing automobile failures. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional structural schematic diagram of a heat dissipation automobile exhaust pipe is proposed for the utility model;

[0020] Figure 2 The utility model provides a schematic diagram of the internal structure of a heat dissipation pipe of a heat dissipation automobile exhaust pipe;

[0021] Figure 3 The utility model provides a schematic diagram of the internal structure of an exhaust pipe member of a heat dissipation automobile exhaust pipe;

[0022] Figure 4 The utility model provides a front cross-sectional view of an exhaust pipe member for heat dissipation of an automobile exhaust pipe;

[0023] Figure 5 The utility model provides a schematic diagram of the internal structure of an anti-backflow pipe of a heat dissipation automobile exhaust pipe.

[0024] Legend: 1. Heat dissipation pipe fittings; 2. Exhaust pipe fittings; 11. Inlet pipe; 12. Mounting ring; 13. Heat dissipation pipe; 14. Fixed ring; 15. Heat sink; 16. Inner pipe; 17. Flow hole; 18. Partition; 21. Mounting pipe one; 22. Anti-backflow pipe; 23. Mounting pipe two; 24. Exhaust pipe; 25. Conical hole; 26. Exhaust channel; 27. Movable plate; 28. Bottom plate; 29. ​​Slide plate; 210. Slide groove; 211. Slider; 212. Through hole; 213. Fixed rod; 214. Top plate; 215. Top hole. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0027] Embodiment 1

[0028] like Figure 1 and Figure 2As shown, the utility model provides a heat dissipation automobile exhaust pipe, comprising a heat dissipation pipe fitting 1 and an exhaust pipe fitting 2, one end of the heat dissipation pipe fitting 1 is fixedly connected with one end of the exhaust pipe fitting 2, the heat dissipation pipe fitting 1 comprises an air intake pipe 11 and a heat dissipation pipe 13, a plurality of heat dissipation fins 15 are arranged in an annular array on the inner wall of the heat dissipation pipe 13, an inner pipe 16 is sleeved inside the heat dissipation pipe 13, and a plurality of flow holes 17 are opened in an annular array on the outer wall of the inner pipe 16, a plurality of partitions 18 are evenly and fixedly connected to the inner wall of the inner pipe 16, one end of the heat dissipation pipe 13 is welded to one end of the air intake pipe 11, and the other end of the heat dissipation pipe 13 is fixedly connected with one end of a mounting pipe 21, two mounting rings 12 are symmetrically and fixedly connected to the two ends of the heat dissipation pipe 13, and two fixing rings 14 are symmetrically welded to the two ends of the heat dissipation pipe 13.

[0029] The specific settings and functions of this embodiment are described in detail below: when the automobile exhaust gas enters the heat dissipation pipe 13 along the intake pipe 11, a plurality of heat dissipation fins 15 are arranged on the inner wall of the heat dissipation pipe 13, and the heat dissipation fins 15 can achieve a good heat dissipation effect. At the same time, when the airflow of the automobile exhaust gas passes through the heat dissipation pipe 13, the airflow passes through the silencer inner pipe 16, and the outer wall of the silencer inner pipe 16 has a plurality of flow holes 17, and a plurality of partitions 18 are added inside the inner pipe 16. After the exhaust gas enters the inner pipe 16, it continuously passes through the flow holes 17 or bypasses the partitions 18, so that the airflow speed is reduced and the noise is reduced, so as to achieve the effect of silencer and heat dissipation, improve the heat dissipation performance and the sound-absorbing performance of the automobile exhaust pipe, and extend the service life of the exhaust pipe; when the exhaust gas after heat dissipation reaches the mounting pipe 21, the exhaust gas passes through the mounting pipe 21, the top hole 215, the anti-backflow pipe 22, and the through hole 212 in sequence to reach the tapered hole 25. Due to the blocking effect of the bottom plate 28, the exhaust gas is finally discharged outward through the exhaust channel 26 and the exhaust pipe 24.

[0030] Embodiment 2

[0031] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the exhaust pipe fitting 2 includes a mounting pipe 1 21, an anti-backflow pipe 22, a mounting pipe 23, an exhaust pipe 24, a movable plate 27, a bottom plate 28 and a top plate 214. The bottom of the top plate 214 is welded to the top of the anti-backflow pipe 22, and the top of the top plate 214 is welded to the bottom of the mounting pipe 1 21, and the bottom of the top plate 214 is welded to the top of the anti-backflow pipe 22. A top hole 215 is opened through the top of the top plate 214. One end of the mounting pipe 23 is fixedly connected to the bottom of the anti-backflow pipe 22, and the other end of the mounting pipe 23 is welded to one end of the exhaust pipe 24. The interior of the mounting pipe 23 is opened through The conical hole 25 is provided, and two exhaust channels 26 are provided inside the mounting tube 23. The inner wall of the anti-backflow pipe 22 is symmetrically provided with a slide groove 210. A through hole 212 is provided on the top of the movable plate 27. Slide plates 29 are symmetrically slidably installed at both ends of the movable plate 27, and one end of the slide plate 29 is symmetrically fixedly connected with two sliders 211. One end of the slide plate 29 is slidably connected with the slide groove 210 through the slider 211. Fixed rods 213 are symmetrically fixedly connected at both ends of the top of the bottom plate 28. The top of the fixed rod 213 is welded to the bottom of the movable plate 27, and the outer edge of the bottom plate 28 fits with the inner wall of the conical hole 25.

[0032] The effect achieved by the entire embodiment is that when the car is parked in a low-lying area, rainwater will enter the second mounting tube 23 when the rainfall is heavy, and will impact the bottom of the bottom plate 28 along the tapered hole 25 when the rainwater is heavy. The bottom plate 28 is fixed to the bottom of the movable plate 27 by the fixing rod 213, so that the movable plate 27 and the slide plate 29 move upward. At this time, the two slide plates 29 will move toward each other, so that the through hole 212 is in a closed state, thereby preventing rainwater from continuing to enter the mounting tube 1 21 and the heat dissipation tube 13 downward, playing a good role in preventing backflow and preventing rainwater from entering and causing car failures.

[0033] The use method and working principle of the device: The device is composed of a heat dissipation pipe 1 and an exhaust pipe 2. When the automobile exhaust gas enters the heat dissipation pipe 13 along the intake pipe 11, a plurality of heat dissipation fins 15 are arranged on the inner wall of the heat dissipation pipe 13. The heat dissipation fins 15 can achieve a good heat dissipation effect. At the same time, when the airflow of the automobile exhaust gas passes through the heat dissipation pipe 13, the airflow passes through the silencer inner pipe 16. The outer wall of the silencer inner pipe 16 has a plurality of flow holes 17, and a plurality of partitions 18 are added inside the inner pipe 16. After the exhaust gas enters the inner pipe 16, it does not The exhaust gas passes through the flow hole 17 or bypasses the partition 18, so that the air flow speed is reduced and the noise is reduced, so as to achieve the effect of silencing and heat dissipation, improve the heat dissipation performance and silencing performance of the automobile exhaust pipe, and extend the service life of the exhaust pipe; when the exhaust gas after heat dissipation reaches the installation pipe 21, the exhaust gas passes through the installation pipe 21, the top hole 215, the anti-backflow pipe 22, and the through hole 212 in sequence to reach the tapered hole 25, and due to the blocking effect of the bottom plate 28, the exhaust gas is finally discharged to the outside through the exhaust channel 26 and the exhaust pipe 24;

[0034] When the car is parked in a low-lying area, heavy rain will enter the installation pipe 23, and heavy rain will hit the bottom of the bottom plate 28 along the tapered hole 25. The bottom plate 28 is fixed to the bottom of the movable plate 27 by the fixing rod 213, so that the movable plate 27 and the slide plate 29 move upward (such as Figure 4 As shown, when the sliders 211 at both ends of the slide plate 29 move upward along the slide groove 210, since the slide groove 210 is inclined, the two slide plates 29 will move toward each other at this time), that is, when the bottom plate 28 is impacted by rainwater, the movable plate 27 and the slide plate 29 move upward quickly, and the two slide plates 29 move toward each other so that the through hole 212 is in a closed state, thereby preventing rainwater from continuing to flow downward into the mounting tube 21 and the heat dissipation tube 13, playing a good role in preventing backflow and preventing rainwater from entering and causing automobile failures; when there is no impact of rainwater, the movable plate 27 will slide to the bottom of the anti-backflow pipe 22 under the action of its own gravity, and the through hole 212 on the movable plate 27 will automatically be in an open state, which is convenient for use.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A heat dissipation automobile exhaust pipe, characterized in that: The invention comprises a heat dissipation pipe (1) and an exhaust pipe (2), one end of the heat dissipation pipe (1) is fixedly connected to one end of the exhaust pipe (2), the heat dissipation pipe (1) comprises an air inlet pipe (11) and a heat dissipation pipe (13), a plurality of heat dissipation fins (15) are arranged in an annular array on the inner wall of the heat dissipation pipe (13), an inner pipe (16) is sleeved inside the heat dissipation pipe (13), and a plurality of flow holes (17) are arranged in an annular array on the outer wall of the inner pipe (16), and the inner wall of the inner pipe (16) is provided with a plurality of flow holes (17) in an annular array. The wall is evenly and fixedly connected with a plurality of partitions (18); the exhaust pipe (2) comprises a mounting pipe 1 (21), an anti-backflow pipe (22), a mounting pipe 2 (23), an exhaust pipe (24), a movable plate (27), a bottom plate (28) and a top plate (214); the bottom of the top plate (214) is welded to the top of the anti-backflow pipe (22), and the top of the top plate (214) is welded to the bottom of the mounting pipe 1 (21); and a top hole (215) is opened through the top of the top plate (214).

2. A heat dissipation automobile exhaust pipe according to claim 1, characterized in that: One end of the heat dissipation pipe (13) is welded to one end of the air intake pipe (11), and the other end of the heat dissipation pipe (13) is fixedly connected to one end of the mounting pipe (21).

3. The heat dissipation automobile exhaust pipe according to claim 1, characterized in that: One end of the second installation pipe (23) is fixedly connected to the bottom of the backflow prevention pipe (22), and the other end of the second installation pipe (23) is welded to one end of the exhaust pipe (24).

4. The heat dissipation automobile exhaust pipe according to claim 1, characterized in that: A tapered hole (25) is provided inside the second installation tube (23) and two exhaust passages (26) are provided inside the second installation tube (23).

5. The heat dissipation automobile exhaust pipe according to claim 1, characterized in that: The inner wall of the anti-backflow pipe (22) is symmetrically provided with sliding grooves (210), and the top of the movable plate (27) is penetrated by a through hole (212).

6. The heat dissipation automobile exhaust pipe according to claim 1, characterized in that: Slide plates (29) are symmetrically slidably mounted at both ends of the movable plate (27), and two sliding blocks (211) are symmetrically fixedly connected to one end of the slide plate (29).

7. The heat dissipation automobile exhaust pipe according to claim 6, characterized in that: One end of the slide plate (29) is slidably connected to the slide groove (210) via a slider (211), and two ends of the top of the bottom plate (28) are symmetrically fixedly connected with fixing rods (213).

8. The heat dissipation automobile exhaust pipe according to claim 7, characterized in that: The top of the fixed rod (213) is welded to the bottom of the movable plate (27), and the outer edge of the bottom plate (28) is in contact with the inner wall of the tapered hole (25).

9. The heat dissipation automobile exhaust pipe according to claim 1, characterized in that: Two mounting rings (12) are symmetrically fixedly connected at both ends of the heat dissipation pipe (13).

10. The heat dissipation automobile exhaust pipe according to claim 1, characterized in that: Two fixing rings (14) are symmetrically welded at both ends of the heat dissipation pipe (13).

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