CN220955782U - Exhaust pipe for internal combustion engine - Google Patents

Exhaust pipe for internal combustion engine Download PDF

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Publication number
CN220955782U
CN220955782U CN202323218704.XU CN202323218704U CN220955782U CN 220955782 U CN220955782 U CN 220955782U CN 202323218704 U CN202323218704 U CN 202323218704U CN 220955782 U CN220955782 U CN 220955782U
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CN
China
Prior art keywords
exhaust pipe
pipe
internal combustion
combustion engine
heat insulation
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Application number
CN202323218704.XU
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Chinese (zh)
Inventor
杨炳芳
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Hebei Lantian Automobile Muffler Co ltd
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Hebei Lantian Automobile Muffler Co ltd
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Priority to CN202323218704.XU priority Critical patent/CN220955782U/en
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Publication of CN220955782U publication Critical patent/CN220955782U/en
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Abstract

The utility model discloses an exhaust pipe for an internal combustion engine, which relates to the technical field of internal combustion engines and comprises an exhaust pipe I, a connecting pipe II and a heat insulation assembly, wherein the heat insulation assembly is arranged on the exhaust pipe I and the exhaust pipe II; both ends of connecting pipe all are provided with the sliding tray, are provided with the movable rod in the sliding tray, and the movable rod passes the connecting pipe outer wall and is connected with the connecting rod, and the connecting rod is connected with the connecting groove. The exhaust pipe for the internal combustion engine with the structure is convenient for disassembly, assembly and maintenance, and convenient for cleaning; the steadiness of connecting between reinforcing blast pipe carries out spacingly to the carriage release lever simultaneously for be connected between blast pipe and the connecting pipe inseparabler.

Description

Exhaust pipe for internal combustion engine
Technical Field
The utility model relates to the technical field of internal combustion engines, in particular to an exhaust pipe for an internal combustion engine.
Background
An internal combustion engine is a heat engine that directly converts heat energy emitted by fuel that is combusted inside the machine into power. The pipelines used by the internal combustion engine mainly comprise an internal combustion engine air inlet pipe and an internal combustion engine air outlet pipe, wherein the internal combustion engine air inlet pipe is an air pipe for guiding air required by combustion of an internal combustion engine machine into the machine, and the air outlet pipe is an air pipe for discharging high-temperature air after combustion of the internal combustion engine out of the machine. The exhaust temperature of the exhaust pipe is generally about 500-700 ℃, so that compared with other components in normal-temperature working environments, the exhaust pipe has higher maintenance frequency, and therefore, the exhaust pipe can be conveniently and quickly detached and connected, and the maintenance efficiency of the exhaust pipe is greatly influenced.
The assembly mode of the exhaust pipe of the internal combustion engine in the prior art is inconvenient for the later installation, detection and maintenance of a pipeline, the problem of inconvenient operation and the high-temperature gas can emit a large amount of heat when passing through the exhaust pipe of the internal combustion engine, so that the ambient temperature of the internal combustion engine is higher, the aging of some rubber parts or plastic parts of the internal combustion engine, which are close to the exhaust pipe, is easy to accelerate, and the part maintenance and replacement frequency is increased.
Disclosure of utility model
The utility model aims to provide an exhaust pipe for an internal combustion engine, which solves the problems that the exhaust pipe of the internal combustion engine in the prior art is inconvenient to replace and maintain and the replacement frequency of parts is increased due to a large amount of heat dissipation.
In order to achieve the above object, the present utility model provides an exhaust pipe for an internal combustion engine, including an exhaust pipe I, a connection pipe, an exhaust pipe II, and a heat insulation assembly, wherein the heat insulation assembly is disposed on the exhaust pipe I and the exhaust pipe II, the exhaust pipe II is connected with one end of the connection pipe, the other end of the connection pipe is connected with the exhaust pipe I, connection ends of the exhaust pipe I and the exhaust pipe II with the connection pipe are both provided with connection grooves, both ends of the connection grooves are provided with compression springs, and the other ends of the compression springs are both connected with an inner wall of the exhaust pipe; the connecting pipe is characterized in that sliding grooves are formed in two end portions of the connecting pipe, a moving rod is arranged in the sliding grooves and penetrates through the outer wall of the connecting pipe to be connected with a connecting rod, and the connecting rod is connected with the connecting groove.
Preferably, the connecting pipe is connected with the first exhaust pipe and the second exhaust pipe through connecting flanges, each connecting flange comprises an upper connecting flange and a lower connecting flange, and the lower connecting flange is connected with the upper connecting flange through bolts.
Preferably, the lower connection flange is connected with the connection pipe, and the moving rod is connected with the lower connection flange.
Preferably, the first exhaust pipe and the second exhaust pipe are both provided with sealing strips at the connecting ends of the connecting pipes.
Preferably, the heat insulation assembly comprises a connecting sleeve and a heat insulation shell, wherein two ends of the heat insulation shell are connected with the connecting sleeve, and the connecting sleeve is connected with the exhaust pipe I and the exhaust pipe II.
Preferably, a heat-insulating paint layer is arranged in the heat-insulating shell.
Therefore, the exhaust pipe for the internal combustion engine adopting the structure has the following beneficial effects:
(1) Through the setting of movable rod, connecting rod and spread groove, the blast pipe of being convenient for is dismantled and assembled and is maintained, also is convenient for clear up the blast pipe simultaneously.
(2) Through flange's setting, the steadiness of connection between the reinforcing blast pipe carries out spacingly to the carriage release lever simultaneously for be connected between blast pipe and the connecting pipe inseparabler.
(3) Through the setting of thermal-insulated subassembly, be convenient for reduce heat transfer, reduce the change frequency of part around, prevent simultaneously that the scald.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic view showing the structure of an embodiment of an exhaust pipe for an internal combustion engine according to the present utility model;
FIG. 2 is a schematic view showing the structure of an exhaust pipe for an internal combustion engine according to the present utility model;
FIG. 3 is a cross-sectional view of a portion of an exhaust pipe of the exhaust pipe for an internal combustion engine according to the present utility model;
Reference numerals
1. An exhaust pipe I; 2. a connecting pipe; 3. an exhaust pipe II; 4. a thermal insulation assembly; 5. a connecting groove; 6. a compression spring; 7. a connecting rod; 8. a moving rod; 9, connecting a flange; 10. a lower connecting flange; 11. a bolt; 12. connecting sleeves; 13. and (5) a heat insulation shell.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
Referring to fig. 1-3, the utility model provides an exhaust pipe for an internal combustion engine, which comprises an exhaust pipe 1, a connecting pipe 2, an exhaust pipe two 3 and a heat insulation assembly 4, wherein the heat insulation assembly 4 is arranged on the exhaust pipe 1 and the exhaust pipe two 3, the exhaust pipe two 3 is connected with one end of the connecting pipe 2, the other end of the connecting pipe 2 is connected with the exhaust pipe 1, the connecting ends of the exhaust pipe 1 and the exhaust pipe two 3 and the connecting pipe 2 are respectively provided with a connecting groove 5, compression springs 6 are arranged at two ends of the connecting grooves 5, the other ends of the compression springs 6 are respectively connected with the inner wall of the exhaust pipe, and the arrangement of the compression springs 6 plays a limiting and fixing role on a connecting rod 7, so that the connection stability between the exhaust pipe and the connecting pipe 2 is improved; both ends of connecting pipe 2 all are provided with the sliding tray, are provided with movable rod 8 in the sliding tray, and movable rod 8 moves on the sliding tray, and movable rod 8 passes connecting pipe 2 outer wall and is connected with connecting rod 7, and movable rod 8 drives the removal of connecting rod 7, and connecting rod 7 is connected with connecting slot 5, and movable rod 8 drives connecting rod 7 and enters into connecting slot 5 for connecting pipe 2 is connected with the blast pipe.
Connecting pipe 2 all passes through flange connection with blast pipe one 1 and blast pipe two 3, and flange's setting reinforcing blast pipe and the stability between the connecting pipe 2, and be convenient for install, be convenient for later maintenance and clearance, flange includes flange 9 and flange 10 down, flange 10 passes through bolt 11 with flange 9 to be connected down, and bolt 11 is provided with a plurality ofly, and flange 9 is connected with the blast pipe, and flange 10 is connected with the connecting pipe down. The movable rod 8 is connected with the lower connecting flange 10, and the lower connecting flange 10 limits the movable rod 8, so that the connection of the connecting rod 7 and the connecting groove 5 is ensured, and the connection of the exhaust pipe is ensured.
The connection ends of the exhaust pipe I1, the exhaust pipe II 3 and the connecting pipe 2 are arranged on the sealing strip, so that the tightness of the exhaust pipe is ensured.
The heat insulation assembly 4 comprises a connecting sleeve 12 and a heat insulation shell 13, both ends of the heat insulation shell 13 are connected with the connecting sleeve 12, and the connecting sleeve 12 is connected with the exhaust pipe I1 and the exhaust pipe II 3. The heat insulation coating layer is arranged in the heat insulation shell 13, when the exhaust pipe discharges high-temperature gas, the heat insulation shell 13 in the heat insulation assembly 4 can reduce heat in the pipe body to be transmitted outwards, so that the pipe body is prevented from radiating a large amount of heat outwards, and accelerated aging of parts around the exhaust pipe due to overhigh temperature of the exhaust pipe can be avoided.
Therefore, the exhaust pipe for the internal combustion engine with the structure is convenient to disassemble, assemble and maintain by arranging the movable rod, the connecting rod and the connecting groove, and is convenient to clean; through the arrangement of the connecting flange, the connection stability between the exhaust pipes is enhanced, and meanwhile, the moving rod is limited, so that the connection between the exhaust pipes and the connecting pipes is tighter; through the setting of thermal-insulated subassembly, be convenient for reduce heat transfer, reduce the change frequency of part around, prevent simultaneously that the scald.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims (6)

1. An exhaust pipe for an internal combustion engine, characterized in that: the heat insulation assembly is arranged on the exhaust pipe I and the exhaust pipe II, the exhaust pipe II is connected with one end of the connecting pipe, the other end of the connecting pipe is connected with the exhaust pipe I, connecting grooves are formed in the connecting ends of the exhaust pipe I and the exhaust pipe II and the connecting pipe, compression springs are arranged at two ends of the connecting grooves, and the other ends of the compression springs are connected with the inner wall of the exhaust pipe; the connecting pipe is characterized in that sliding grooves are formed in two end portions of the connecting pipe, a moving rod is arranged in the sliding grooves and penetrates through the outer wall of the connecting pipe to be connected with a connecting rod, and the connecting rod is connected with the connecting groove.
2. An exhaust pipe for an internal combustion engine according to claim 1, characterized in that: the connecting pipe is connected with the exhaust pipe I and the exhaust pipe II through connecting flanges, each connecting flange comprises an upper connecting flange and a lower connecting flange, and the lower connecting flange is connected with the upper connecting flange through bolts.
3. An exhaust pipe for an internal combustion engine according to claim 2, characterized in that: the lower connecting flange is connected with the connecting pipe, and the movable rod is connected with the lower connecting flange.
4. An exhaust pipe for an internal combustion engine according to claim 3, characterized in that: and sealing strips are arranged at the connecting ends of the first exhaust pipe, the second exhaust pipe and the connecting pipe.
5. An exhaust pipe for an internal combustion engine according to claim 1, characterized in that: the heat insulation assembly comprises a connecting sleeve and a heat insulation shell, wherein two ends of the heat insulation shell are connected with the connecting sleeve, and the connecting sleeve is connected with the exhaust pipe I and the exhaust pipe II.
6. An exhaust pipe for an internal combustion engine according to claim 5, characterized in that: and a heat insulation coating layer is arranged in the heat insulation shell.
CN202323218704.XU 2023-11-28 2023-11-28 Exhaust pipe for internal combustion engine Active CN220955782U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323218704.XU CN220955782U (en) 2023-11-28 2023-11-28 Exhaust pipe for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323218704.XU CN220955782U (en) 2023-11-28 2023-11-28 Exhaust pipe for internal combustion engine

Publications (1)

Publication Number Publication Date
CN220955782U true CN220955782U (en) 2024-05-14

Family

ID=91010736

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323218704.XU Active CN220955782U (en) 2023-11-28 2023-11-28 Exhaust pipe for internal combustion engine

Country Status (1)

Country Link
CN (1) CN220955782U (en)

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