Automobile exhaust pipe

By designing a protective mechanism at the bottom of the car exhaust pipe, using protective mesh plates and spiral column structures to block splashing stones, the problem of depressed and damaged exhaust pipes on the gravel pavement is solved, extending service life and maintaining heat dissipation of exhaust pipes Effect.

CN222184908UActive Publication Date: 2024-12-17HUBEI XINRONG YASUMORI MACHINERY TECH CO LTD
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Patent Information

Application Number
CN202420999743.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2024-12-17
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

When used, the existing car exhaust pipes may easily cause stones to splash when the wheels press onto the gravel pavement, causing the surface of the exhaust pipe to be sunken and damaged, and reduce the service life.

Method used

A car exhaust pipe including tail throat, rear tube, muffler and front tube is designed, with a protective mechanism at the bottom, which includes protective mesh plate, upper curved plate, lower curved plate, spiral column and nut to protect The mesh plate is located below the rear tube, muffler and front tube, and is fixed by threaded connection and spiral ring. There are through holes and through grooves inside the protective mesh plate. The spiral column passes through the through holes, and the nut is connected to the spiral column. The protective mesh plate can block it. The stones do not affect the heat dissipation of the exhaust pipe.

Benefits of technology

It effectively reduces the probability of concave and damage on the surface of the exhaust pipe, improves the service life, does not affect the heat dissipation performance of the exhaust pipe, and improves the use effect of the exhaust pipe.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222184908U_ABST
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Abstract

The utility model discloses an automobile exhaust pipe which comprises a tail throat, a rear pipe, a silencer and a front pipe, a protection mechanism is arranged at the bottom of the exhaust pipe, the protection mechanism comprises a protection piece and four sets of fixing pieces, the protection piece comprises a protection net plate, the protection net plate is located below the rear pipe, the silencer and the front pipe, and the four sets of fixing pieces are arranged on the protection net plate. The fixing piece comprises an upper arc-shaped plate, a lower arc-shaped plate and a spiral column, and the spiral column is fixed to the bottom of the lower arc-shaped plate. By means of the designed protection mechanism, the protection net plate is installed below the exhaust pipe in use, the probability that wheels splash to hit the exhaust pipe after passing through stones on the road surface can be reduced, the probability that the surface of the exhaust pipe is concaved and damaged is reduced, the service life of the exhaust pipe is prolonged, and the service life of the exhaust pipe is prolonged. In addition, the protective net plate can block stones and does not affect heat dissipation of the exhaust pipe, and the using effect of the exhaust pipe is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automobile exhaust pipes, and in particular relates to an automobile exhaust pipe. Background Art

[0002] The automobile exhaust pipe is an important part of the exhaust system, which mainly includes the front pipe, muffler, rear pipe and tail throat, etc. It is mainly used to discharge the exhaust gas generated in the engine, reduce pressure, reduce noise, reduce the sound of exhaust gas emissions to a reasonable range, filter exhaust gas, and reduce pollution. The Chinese patent application number is 202020851621.1, which discloses an automobile exhaust pipe. It can be seen that the content describes an automobile exhaust pipe.

[0003] When the existing automobile exhaust pipe is in use, when the car is driving on a gravel road, the wheels press on the gravel on the road, which easily causes some gravel on the road to splash out and hit the exhaust pipe, causing the surface of the exhaust pipe hit by the gravel to be dented and damaged, thereby reducing the service life of the exhaust pipe. For this reason, we propose an automobile exhaust pipe. Utility Model Content

[0004] The utility model aims to provide an automobile exhaust pipe to solve the problem in the above background technology that when the existing automobile exhaust pipe is in use, after the wheels press on the stones on the road surface, some stones on the road surface are easily splashed out and hit the exhaust pipe, causing the surface of the exhaust pipe hit by the stones to be dented and damaged.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile exhaust pipe, comprising a tail throat, a rear pipe, a muffler and a front pipe, a protective mechanism is arranged at the bottom of the exhaust pipe, the protective mechanism comprises a protective member and four groups of fixing members, the protective member comprises a protective mesh plate, the protective mesh plate is located below the rear pipe, the muffler and the front pipe, the fixing member comprises an upper arc plate, a lower arc plate and a spiral column, the spiral column is fixed to the bottom of the lower arc plate, a plurality of through holes are arranged inside the protective mesh plate, the bottom of the spiral column passes through the inside of the through hole, and two groups of nuts are arranged outside the spiral column.

[0006] Preferably, the nut is connected to the spiral column via a thread, and two groups of nuts are respectively located at two ends of the spiral column.

[0007] Preferably, through grooves are provided inside both ends of the upper arc plate and the lower arc plate, and bolts are provided on the lower arc plate.

[0008] Preferably, the working end of the bolt passes through the through slot, and a spiral ring is threadedly connected to the outer side of the working end of the bolt.

[0009] Preferably, the upper arc plate and the lower arc plate are both located outside the rear tube and the front tube.

[0010] Preferably, the lower surfaces of the rear pipe, the muffler and the front pipe are fixedly provided with a plurality of groups of concave plates, the top of the protective mesh plate is fixedly provided with a plurality of groups of limiting plates, and the top of the limiting plates penetrates into the interior of the concave plates.

[0011] Preferably, the rear pipe is fixed to one side of the muffler, the front pipe is fixed to the other side of the muffler, and the tail throat is fixed to the end of the rear pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model has a protective mechanism designed so that the protective mesh is installed under the exhaust pipe during use, which can be used to prevent stones on the road from splashing and hitting the exhaust pipe, thereby reducing the probability of concave and damage on the surface of the exhaust pipe and improving the service life of the exhaust pipe. In addition, the protective mesh can block stones without affecting the heat dissipation of the exhaust pipe, thereby improving the use effect of the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the protective mesh plate of the utility model;

[0016] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0017] Figure 4 It is a side view structural diagram of the limiting plate and the concave plate of the utility model;

[0018] Figure 5 This is a schematic diagram of the exhaust pipe structure from a top view of the present utility model;

[0019] In the figure: 100, tail throat; 101, rear pipe; 102, muffler; 103, front pipe; 200, protective mesh plate; 201, upper arc plate; 202, lower arc plate; 203, bolt; 204, through hole; 205, nut; 206, spiral column; 300, limit plate; 301, concave plate. DETAILED DESCRIPTION

[0020] 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.

[0021] Example

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: an automobile exhaust pipe, comprising a tail throat 100, a rear pipe 101, a muffler 102 and a front pipe 103, a protection mechanism is arranged at the bottom of the exhaust pipe, the protection mechanism comprises a protection member and four sets of fixing members, the protection member comprises a protection mesh plate 200, when in use, the protection mesh plate 200 is a concave structure, the protection mesh plate 200 is located below the rear pipe 101, the muffler 102 and the front pipe 103, the fixing member comprises an upper arc plate 201, a lower arc plate 202 and a spiral column 206, the spiral column 206 is fixed to the bottom of the lower arc plate 202, a plurality of through holes 204 are arranged inside the protection mesh plate 200, the bottom of the spiral column 206 passes through the inside of the through hole 204, two sets of nuts 205 are arranged outside the spiral column 206, when in use, the protection mesh plate 200 can be fixed after the nuts 205 are tightened, the nuts 205 and the spiral column 206 are connected by threads, and the two sets of The nuts 205 are respectively located at the two ends of the spiral column 206, and through grooves are opened inside the two ends of the upper arc plate 201 and the lower arc plate 202. A bolt 203 is arranged on the lower arc plate 202, and the working end of the bolt 203 passes through the through groove. The outer side of the working end of the bolt 203 is connected with a spiral ring by a thread. When in use, the spiral ring is tightened to fix the upper arc plate 201 and the lower arc plate 202 together. The upper arc plate 201 and the lower arc plate 202 are both located outside the rear pipe 101 and the front pipe 103. Through the designed protection mechanism, the protection mesh plate 200 is installed under the exhaust pipe during use, which can be used to prevent the probability of stones on the road surface from splashing and hitting the exhaust pipe, reducing the probability of concave and damage on the surface of the exhaust pipe, and improving the service life of the exhaust pipe. Moreover, the protection mesh plate 200 can block stones without affecting the heat dissipation of the exhaust pipe, thereby improving the use effect of the exhaust pipe.

[0023] In the present embodiment, preferably, a plurality of groups of concave plates 301 are fixedly provided on the lower surfaces of the rear pipe 101, the muffler 102 and the front pipe 103, a plurality of groups of limiting plates 300 are fixedly provided on the top of the protective mesh plate 200, and the top of the limiting plate 300 penetrates into the interior of the concave plate 301. By combining the designed concave plates 301 and the limiting plates 300, it is convenient to achieve a limiting effect between the exhaust pipe and the protective mesh plate 200 after the protective mesh plate 200 is installed at a position below the exhaust pipe, thereby improving the stability of the protective mesh plate 200 during use after installation.

[0024] In this embodiment, preferably, the rear pipe 101 is fixed to one side of the muffler 102 , the front pipe 103 is fixed to the other side of the muffler 102 , and the tail throat 100 is fixed to the end of the rear pipe 101 .

[0025] The working principle and use process of this utility model:

[0026] When the utility model is in use, the plurality of upper curved plates 201 and lower curved plates 202 are respectively fixed to the rear pipe 101 and the front pipe 103 in the exhaust pipe by bolts 203 and spiral rings, and then the protective mesh plate 200 is placed at a suitable position below the exhaust pipe, so that the top of the limiting plate 300 above the protective mesh plate 200 is aligned with the inside of the concave plate 301, and then the protective mesh plate 200 is moved upward to drive the top of the limiting plate 300 to penetrate into the inside of the concave plate 301, and then the bottom of the spiral column 206 at the bottom of the lower curved plate 202 passes through the inside of the through hole 204 in the protective mesh plate 200, and then the nut 205 at the bottom of the spiral column 206 is screwed in from the bottom of the spiral column 206, and then the nuts 205 at the top and bottom of the spiral column 206 are rotated in opposite directions and tightened, and then the protective mesh plate 200 can be installed. At this time, the protective mesh plate 200 can play a protective role on the exhaust pipe. When it needs to be disassembled, it can be operated according to the opposite principle mentioned above.

[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 pipe, comprising a tail throat (100), a rear pipe (101), a muffler (102) and a front pipe (103), characterized in that: A protection mechanism is provided at the bottom of the exhaust pipe, the protection mechanism comprising a protection member and four groups of fixing members, the protection member comprising a protection mesh plate (200), the protection mesh plate (200) being located below the rear pipe (101), the muffler (102) and the front pipe (103), the fixing member comprising an upper arc plate (201), a lower arc plate (202) and a spiral column (206), the spiral column (206) being fixed to the bottom of the lower arc plate (202), a plurality of groups of through holes (204) being provided inside the protection mesh plate (200), the bottom of the spiral column (206) passing through the inside of the through hole (204), and two groups of nuts (205) being provided outside the spiral column (206).

2. The automobile exhaust pipe according to claim 1, characterized in that: The nut (205) and the spiral column (206) are connected via threads, and two groups of the nut (205) are respectively located at two ends of the spiral column (206).

3. The automobile exhaust pipe according to claim 2, characterized in that: Through grooves are provided inside both ends of the upper arc-shaped plate (201) and the lower arc-shaped plate (202), and bolts (203) are provided on the lower arc-shaped plate (202).

4. The automobile exhaust pipe according to claim 3, characterized in that: The working end of the bolt (203) passes through the through slot, and the outer side of the working end of the bolt (203) is connected with a spiral ring via a thread.

5. The automobile exhaust pipe according to claim 4, characterized in that: The upper arc-shaped plate (201) and the lower arc-shaped plate (202) are both located outside the rear tube (101) and the front tube (103).

6. The automobile exhaust pipe according to claim 5, characterized in that: A plurality of groups of concave plates (301) are fixedly provided on the lower surfaces of the rear pipe (101), the muffler (102) and the front pipe (103), a plurality of groups of limit plates (300) are fixedly provided on the top of the protective mesh plate (200), and the tops of the limit plates (300) penetrate into the interior of the concave plates (301).

7. The automobile exhaust pipe according to claim 1, characterized in that: The rear pipe (101) is fixed to one side of the muffler (102), the front pipe (103) is fixed to the other side of the muffler (102), and the tail throat (100) is fixed to the end of the rear pipe (101).