CN212454598U

CN212454598U - Engine exhaust pipe heat abstractor

Info

Publication number: CN212454598U
Application number: CN202021288426.9U
Authority: CN
Inventors: 唐新华
Original assignee: Chongqing Aerospace Polytechnic College
Current assignee: Chongqing Aerospace Polytechnic College
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-02-02
Anticipated expiration: 2030-07-03

Abstract

The utility model belongs to the technical field of the engine exhaust pipe, concretely relates to engine exhaust pipe heat abstractor, which comprises a housin, both ends are equipped with intake pipe and outlet duct respectively around the casing, casing lower extreme bolted connection has the apron, apron upper end left side is equipped with two slice air deflectors that bilateral symmetry set up, two slice air deflector front ends and upper end respectively with casing preceding lateral wall and roof butt, the apron upper end is equipped with the U-shaped air deflector that surrounds two slice air deflectors from back to front, U-shaped air deflector upper end and casing roof butt, U-shaped air deflector side does not with slice air deflector and casing butt, apron lower extreme fixedly connected with a plurality of fin, apron lower extreme front side is equipped with the radiator fan with fin assorted; the utility model discloses can cool off engine exhaust, reduce the temperature of blast pipe, avoid blast pipe high temperature to burn near auto-parts of blast pipe, can also prolong the life of blast pipe simultaneously.

Description

Engine exhaust pipe heat abstractor

Technical Field

The utility model belongs to the technical field of the engine vent-pipe, concretely relates to engine vent-pipe heat abstractor.

Background

The exhaust pipe is one part of an engine exhaust system, the exhaust system mainly comprises an exhaust manifold, an exhaust pipe and a silencer, a three-way catalyst for controlling the emission of pollutants of an engine is generally arranged in the exhaust system, the exhaust pipe generally comprises a front exhaust pipe and a rear exhaust pipe, and because engine exhaust gas contains a large amount of heat, the exhaust gas can also cause the temperature of the exhaust pipe to rise, if the temperature of the exhaust pipe is too high, automobile accessories near the exhaust pipe can be easily burnt, meanwhile, the service life of the exhaust pipe can also be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the engine exhaust pipe heat dissipation device is used for solving the problems in the background technology.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

the utility model provides an engine vent-pipe heat abstractor, includes the casing, both ends are equipped with intake pipe and outlet duct respectively around the casing, casing lower extreme bolted connection has the apron, apron upper end left side is equipped with the slice air guide plate that two bilateral symmetry set up, two slice air guide plate front end and upper end respectively with casing preceding lateral wall and roof butt, the apron upper end is equipped with from the back to preceding two surround the U-shaped air guide plate of slice air guide plate, U-shaped air guide plate upper end and casing roof butt, U-shaped air guide plate side not with slice air guide plate and casing butt, a plurality of fin of apron lower extreme fixedly connected with, fin length direction is unanimous with apron length direction, apron lower extreme front side is equipped with fin assorted radiator fan.

By adopting the technical proposal of the utility model, the air inlet pipe and the air outlet pipe are used for installing the whole device into the automobile exhaust pipe, two S-shaped channels which are symmetrical left and right are formed in the shell by matching the two sheet-shaped air guide plates and the U-shaped air guide plate with the shell, the engine waste gas entering from the air inlet pipe is divided into two paths and flows through the two S-shaped channels, then the two paths are converged together at the tail ends of the two S-shaped channels and are led out from the air outlet pipe, when the engine waste gas is divided into two paths and flows through the two S-shaped channels, the heat carried by the engine waste gas is transmitted to the radiating fins through the cover plate, the sheet-shaped air guide plates and the U-shaped air guide plate, thus the engine waste gas can be cooled, the radiating fan blows the radiating fins, the heat on the surface of the radiating fins is blown away, meanwhile, the service life of the exhaust pipe can be prolonged; the two S-shaped channels can prolong the contact time of the engine waste gas with the cover plate, the sheet-shaped air guide plate and the U-shaped air guide plate so as to improve the heat dissipation effect; the cover plate is connected with the shell through the bolts, so that the cover plate can be disassembled, and the interior of the shell, the two sheet-shaped air guide plates and the U-shaped air guide sheet can be conveniently cleaned; the utility model provides an engine vent-pipe heat abstractor can cool off engine exhaust, reduces the temperature of blast pipe, avoids blast pipe high temperature to burn near auto-parts of blast pipe, can also prolong the life of blast pipe simultaneously.

Further limit, be equipped with the heat insulating sheet between radiator fan and the apron. With the structure, high temperature on the cover plate can be prevented from being directly transmitted to the cooling fan.

Further inject, the intake pipe and the outlet duct downside all are equipped with directional arrow boss. With the structure, a user can conveniently identify the installation direction.

Further inject, the casing upper end left and right sides all is equipped with a plurality of installation ears. Such structure can cooperate the bolt to be connected fixedly with vehicle chassis, makes the more firm of whole device installation.

Further limiting, and rounding is performed on four corners of the inner wall of the shell. With the structure, four corners of the inner wall of the shell are convenient to clean.

Compared with the prior art, the utility model has the following advantages:

1. when the engine exhaust gas is divided into two paths and flows through the two S-shaped channels, the heat carried by the engine exhaust gas is transferred to the radiating fins through the cover plate, the sheet-shaped air guide plate and the U-shaped air guide plates, so that the engine exhaust gas can be cooled, the radiating fans blow the radiating fins, the heat on the surfaces of the radiating fins is blown away, the integral radiating is completed, the temperature of the exhaust pipe can be reduced, automobile accessories near the exhaust pipe are prevented from being burnt due to overhigh temperature of the exhaust pipe, and meanwhile, the service life of the exhaust pipe can be prolonged;

2. the two S-shaped channels can prolong the contact time of the engine waste gas with the cover plate, the sheet-shaped air guide plate and the U-shaped air guide plate so as to improve the heat dissipation effect;

3. the cover plate is connected with the shell through the bolt, so that the cover plate can be detached, and the inside of the shell, the two sheet-shaped air guide plates and the U-shaped air guide plates are cleaned conveniently.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural view of an embodiment of a heat dissipation device for an engine exhaust pipe according to the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of a heat dissipation device for an engine exhaust pipe according to the present invention;

fig. 3 is a schematic view of a partial structure of an embodiment of a heat dissipation device for an engine exhaust pipe according to the present invention;

fig. 4 is a schematic view of a partial structure of an embodiment of the heat dissipation device for an engine exhaust pipe according to the present invention.

The main element symbols are as follows:

the air-conditioning unit comprises a shell 1, an air inlet pipe 2, an air outlet pipe 21, a cover plate 22, a sheet-shaped air guide plate 23, a U-shaped air guide plate 24, a radiating fin 25, a radiating fan 26, a heat insulating plate 3, a pointing arrow boss 31 and a mounting lug 32.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the utility model discloses an engine exhaust pipe heat abstractor, including casing 1, both ends are equipped with intake pipe 2 and outlet duct 21 respectively around casing 1, 1 lower extreme bolted connection of casing has apron 22, apron 22 upper end left side is equipped with the slice air deflector 23 that two bilateral symmetry set up, two slice air deflector 23 front ends and upper end respectively with casing 1 preceding lateral wall and roof butt, apron 22 upper end is equipped with the U-shaped air deflector 24 that surrounds two slice air deflectors 23 from the back to the front, U-shaped air deflector 24 upper end and casing 1 roof butt, U-shaped air deflector 24 side is not with slice air deflector 23 and casing 1 butt, a plurality of fin 25 of apron 22 lower extreme fixedly connected with, fin 25 length direction is unanimous with apron 22 length direction, apron 22 lower extreme front side is equipped with cooling fan 26 with fin 25 assorted.

By adopting the technical scheme of the utility model, the air inlet pipe 2 and the air outlet pipe 21 are used for installing the whole device into the automobile exhaust pipe, two S-shaped channels which are bilaterally symmetrical are formed in the shell 1 by matching the two sheet-shaped air guide plates 23 and the U-shaped air guide plate 24 on the shell 1, the engine waste gas entering from the air inlet pipe 2 is divided into two paths to flow through the two S-shaped channels, then the tail ends of the two S-shaped channels are converged together and led out from the air outlet pipe 21, when the engine waste gas is divided into two paths to flow through the two S-shaped channels, the heat carried by the engine waste gas is transmitted to the radiating fins 25 through the cover plate 22, the sheet-shaped air guide plates 23 and the U-shaped air guide plate 24, thus the engine waste gas can be cooled, the radiating fan 26 blows air to the radiating fins 25, the heat on the surface of the radiating fins 25 is blown away, the integral heat radiation, meanwhile, the service life of the exhaust pipe can be prolonged; the two S-shaped channels can prolong the contact time of the engine exhaust gas with the cover plate 22, the sheet-shaped air guide plate 23 and the U-shaped air guide plate 24 so as to improve the heat dissipation effect; the cover plate 22 is connected with the shell 1 through bolts, so that the cover plate 22 can be detached, and the interior of the shell 1, the two sheet-shaped air guide plates 23 and the U-shaped air guide plate 24 can be cleaned conveniently; the utility model provides an engine vent-pipe heat abstractor can cool off engine exhaust, reduces the temperature of blast pipe, avoids blast pipe high temperature to burn near auto-parts of blast pipe, can also prolong the life of blast pipe simultaneously.

Preferably, a heat insulating sheet 3 is provided between the heat dissipating fan 26 and the cover plate 22. With this structure, the high temperature of the cover plate 22 can be prevented from being directly transmitted to the heat dissipation fan 26. In fact, other structures capable of preventing the high temperature on the cover plate 22 from being directly transferred to the heat dissipation fan 26 may be used according to circumstances.

Preferably, the lower sides of the inlet pipe 2 and the outlet pipe 21 are provided with directional arrow bosses 31. With the structure, a user can conveniently identify the installation direction. In fact, other structures for facilitating the user to recognize the installation direction may be considered according to circumstances.

Preferably, the left and right sides of the upper end of the shell 1 are provided with a plurality of mounting lugs 32. Such structure can cooperate the bolt to be connected fixedly with vehicle chassis, makes the more firm of whole device installation. In fact, other structures which can be matched with the bolts to be connected and fixed with the automobile chassis can be considered according to the situation, so that the whole device is installed more stably.

Preferably, four corners of the inner wall of the shell 1 are all subjected to fillet treatment. With the structure, four corners of the inner wall of the shell 1 are convenient to clean. In fact, other structures which facilitate the cleaning of the four corners of the inner wall of the housing 1 can be considered according to the circumstances.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An engine exhaust pipe heat dissipation device, includes casing (1), its characterized in that: the front end and the rear end of the shell (1) are respectively provided with an air inlet pipe (2) and an air outlet pipe (21), the lower end of the shell (1) is connected with a cover plate (22) through bolts, the left side of the upper end of the cover plate (22) is provided with two sheet-shaped air guide plates (23) which are arranged symmetrically left and right, the front ends and the upper ends of the two sheet-shaped air guide plates (23) are respectively abutted against the front side wall and the top wall of the shell (1), the upper end of the cover plate (22) is provided with a U-shaped air guide sheet (24) which surrounds the two sheet-shaped air guide plates (23) from back to front, the upper end of the U-shaped air guide sheet (24) is abutted against the top wall of the shell (1), the side surface of the U-shaped air guide sheet (24) is not abutted against the sheet-shaped air guide plate (23) and the shell (1), the lower end of the cover plate (22) is fixedly connected with a plurality of radiating fins (25), the length direction of the radiating fins (25) is consistent with the length direction of the cover plate (22), and a heat radiation fan (26) matched with the heat radiation fins (25) is arranged on the front side of the lower end of the cover plate (22).

2. The engine exhaust pipe heat sink according to claim 1, wherein: and a heat insulation sheet (3) is arranged between the heat radiation fan (26) and the cover plate (22).

3. The engine exhaust pipe heat sink according to claim 1, wherein: and pointing arrow bosses (31) are arranged on the lower sides of the air inlet pipe (2) and the air outlet pipe (21).

4. The engine exhaust pipe heat sink according to claim 1, wherein: the left side and the right side of the upper end of the shell (1) are provided with a plurality of mounting lugs (32).

5. The engine exhaust pipe heat sink according to claim 1, wherein: and four corners of the inner wall of the shell (1) are all subjected to fillet treatment.