CN211900741U - Cooling structure for internal combustion engine - Google Patents
Cooling structure for internal combustion engine Download PDFInfo
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- CN211900741U CN211900741U CN202020272157.0U CN202020272157U CN211900741U CN 211900741 U CN211900741 U CN 211900741U CN 202020272157 U CN202020272157 U CN 202020272157U CN 211900741 U CN211900741 U CN 211900741U
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Abstract
The utility model relates to the technical field of internal combustion engines, in particular to a cooling structure for an internal combustion engine, which comprises an internal combustion engine exhaust gas discharge pipe and a cooling device; the cooling device comprises a first cooling shell, a first joint, a second cooling shell, a second joint, a third cooling shell and a third joint, wherein an exhaust port of the exhaust gas discharge pipe of the internal combustion engine is connected with one end of an exhaust passage of the first cooling shell, and the exhaust passages of the first cooling shell, the first joint, the second cooling shell, the second joint, the third cooling shell and the third joint are sequentially communicated; a ceramic filter element is arranged in the first joint, an activated carbon drying agent is arranged in the second joint, and a three-way catalyst is arranged in the third joint. The utility model provides a cooling structure for internal-combustion engine realizes the effective processing to internal-combustion engine exhaust waste gas through the multistage tail gas processing structure of sectional type cooling structure cooperation, avoids the problem that internal-combustion engine start-up and the work function that environmental pollution and high temperature lead to reduce.
Description
Technical Field
The utility model relates to an internal-combustion engine technical field especially relates to a cooling structure for internal-combustion engine.
Background
The internal combustion engine is a power machine, it is a heat engine through the heat energy that burning, discharging of fuel in the machine directly converts into power, generally said internal combustion engine is the piston type internal combustion engine, the piston type internal combustion engine is the most common in the past of the piston type, the piston type internal combustion engine mixes fuel and air, utilize the heat energy released to make the high-temperature high-pressure fuel gas produce in the cylinder after burning in the cylinder, rely on the expansion of fuel gas to push the piston to do work, and then export the mechanical work through the crank link mechanism or other mechanisms, thus drive the slave machinery to work. The internal combustion engine is discarded and discharged when in use, and toxic gases contained in the exhaust gas cause environmental pollution, so that the exhaust gas discharged from the internal combustion engine needs to be well treated, and the starting and working functions of the internal combustion engine are reduced under the influence of temperature.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the technical problem to be solved in the utility model is to provide a cooling structure for an internal combustion engine for treating waste gas of the internal combustion engine.
In order to solve the technical problem, the utility model discloses a technical scheme be: a cooling structure for an internal combustion engine includes an internal combustion engine exhaust gas discharge pipe and a cooling device;
the cooling device comprises a first cooling shell, a first joint, a second cooling shell, a second joint, a third cooling shell and a third joint, wherein an exhaust port of the exhaust gas discharge pipe of the internal combustion engine is connected with one end of an exhaust passage of the first cooling shell, and the exhaust passages of the first cooling shell, the first joint, the second cooling shell, the second joint, the third cooling shell and the third joint are sequentially communicated;
the exhaust passage of first cooling casing in the center of the lateral wall internal screw of exhaust passage is provided with first cooling channel, second cooling casing is provided with second cooling channel in the lateral wall internal screw of the exhaust passage of second cooling casing, third cooling casing is provided with third cooling channel in the lateral wall internal screw of the exhaust passage of third cooling casing, all let in the coolant liquid in first cooling channel, second cooling channel and the third cooling channel, the temperature of the coolant liquid in first cooling channel, second cooling channel and the third cooling channel reduces gradually, be equipped with ceramic filter core in the first joint, be equipped with the active carbon drier in the second joint, be equipped with the ternary catalyst in the third joint.
In an alternative embodiment, the first cooling housing, the first joint, the second cooling housing, the second joint, the third cooling housing and the third joint are arranged in an S shape, and the first cooling housing, the second cooling housing and the third cooling housing are parallel to each other.
In an alternative embodiment, the first cooling housing, the second cooling housing and the third cooling housing are all cylindrical.
In an alternative embodiment, a fan is provided in the third joint.
In an optional embodiment, the outer wall of the first cooling housing is provided with a first inlet and a first outlet respectively, two ends of the first cooling channel are connected with the first inlet and the first outlet respectively, the outer wall of the second cooling housing is provided with a second inlet and a second outlet respectively, two ends of the second cooling channel are connected with the second inlet and the second outlet respectively, the outer wall of the third cooling housing is provided with a third inlet and a third outlet respectively, and two ends of the third cooling channel are connected with the third inlet and the third outlet respectively.
In an optional embodiment, the cooling structure for an internal combustion engine further includes a first coolant tank, a second coolant tank, and a third coolant tank, the first coolant tank is connected to the first liquid inlet port through a pump body, the second coolant tank is connected to the second liquid inlet port through a pump body, and the third coolant tank is connected to the third liquid inlet port through a pump body.
The beneficial effects of the utility model reside in that: the cooling structure for the internal combustion engine comprises an internal combustion engine exhaust gas discharge pipe and a cooling device, wherein exhaust gas discharged from the internal combustion engine exhaust gas discharge pipe sequentially passes through a first cooling shell, a first joint, a second cooling shell, a second joint, a third cooling shell and a third joint of the cooling device, a first annular cooling channel is arranged in the first cooling shell, a second annular cooling channel is arranged in the second cooling shell, a third annular cooling channel is arranged in the third cooling shell, the temperatures of cooling liquid in the first cooling channel, the second cooling channel and the third cooling channel are gradually reduced, the sectional type cooling structure is more favorable for heat exchange between the high-temperature exhaust gas discharged from the internal combustion engine and the cooling liquid in the cooling shells, so that the cooling efficiency of the exhaust gas is improved, and ceramic filter cores and a filter core are correspondingly arranged in the first joint, the second joint and the third joint in sequence, The active carbon drying agent is used for adsorbing small particles in the tail gas and purifying peculiar smell in the tail gas, and the three-way catalyst can convert harmful gases such as CO, HC, NOx and the like discharged from the tail gas of the internal combustion engine into harmless carbon dioxide, water and nitrogen through oxidation and reduction, so that the pollution of the discharged gas of the internal combustion engine to the environment is greatly reduced, and the harm of waste gas to the environment is reduced. The utility model provides a cooling structure for internal-combustion engine realizes the effective processing to internal-combustion engine exhaust waste gas through the multistage tail gas processing structure of sectional type cooling structure cooperation, avoids the problem that internal-combustion engine start-up and the work function that environmental pollution and high temperature lead to reduce.
Drawings
Fig. 1 is a schematic structural view of a cooling structure for an internal combustion engine according to an embodiment of the present invention;
fig. 2 is a sectional view of a cooling device according to an embodiment of the present invention;
description of reference numerals:
1-an exhaust pipe of an internal combustion engine;
2-a cooling device;
3-a first cooling housing; 31 — a first cooling channel;
4-a first joint; 41-ceramic filter element;
5-a second cooling housing; 51-a second cooling channel;
6-a second linker; 61-activated carbon desiccant;
7-a third cooling housing; 71-a third cooling channel;
8-a third linker; 81-three-way catalyst; 82-a fan.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, a cooling structure for an internal combustion engine according to the present invention includes an exhaust gas discharge pipe of the internal combustion engine and a cooling device;
the cooling device comprises a first cooling shell, a first joint, a second cooling shell, a second joint, a third cooling shell and a third joint, wherein an exhaust port of the exhaust gas discharge pipe of the internal combustion engine is connected with one end of an exhaust passage of the first cooling shell, and the exhaust passages of the first cooling shell, the first joint, the second cooling shell, the second joint, the third cooling shell and the third joint are sequentially communicated;
the exhaust passage of first cooling casing in the center of the lateral wall internal screw of exhaust passage is provided with first cooling channel, second cooling casing is provided with second cooling channel in the lateral wall internal screw of the exhaust passage of second cooling casing, third cooling casing is provided with third cooling channel in the lateral wall internal screw of the exhaust passage of third cooling casing, all let in the coolant liquid in first cooling channel, second cooling channel and the third cooling channel, the temperature of the coolant liquid in first cooling channel, second cooling channel and the third cooling channel reduces gradually, be equipped with ceramic filter core in the first joint, be equipped with the active carbon drier in the second joint, be equipped with the ternary catalyst in the third joint.
From the above description, the beneficial effects of the present invention are: the cooling structure for the internal combustion engine comprises an internal combustion engine exhaust gas discharge pipe and a cooling device, wherein exhaust gas discharged from the internal combustion engine exhaust gas discharge pipe sequentially passes through a first cooling shell, a first joint, a second cooling shell, a second joint, a third cooling shell and a third joint of the cooling device, a first annular cooling channel is arranged in the first cooling shell, a second annular cooling channel is arranged in the second cooling shell, a third annular cooling channel is arranged in the third cooling shell, the temperatures of cooling liquid in the first cooling channel, the second cooling channel and the third cooling channel are gradually reduced, the sectional type cooling structure is more favorable for heat exchange between the high-temperature exhaust gas discharged from the internal combustion engine and the cooling liquid in the cooling shells, so that the cooling efficiency of the exhaust gas is improved, and ceramic filter cores and a filter core are correspondingly arranged in the first joint, the second joint and the third joint in sequence, The active carbon drying agent is used for adsorbing small particles in the tail gas and purifying peculiar smell in the tail gas, and the three-way catalyst can convert harmful gases such as CO, HC, NOx and the like discharged from the tail gas of the internal combustion engine into harmless carbon dioxide, water and nitrogen through oxidation and reduction, so that the pollution of the discharged gas of the internal combustion engine to the environment is greatly reduced, and the harm of waste gas to the environment is reduced. The utility model provides a cooling structure for internal-combustion engine realizes the effective processing to internal-combustion engine exhaust waste gas through the multistage tail gas processing structure of sectional type cooling structure cooperation, avoids the problem that internal-combustion engine start-up and the work function that environmental pollution and high temperature lead to reduce.
Furthermore, the first cooling shell, the first joint, the second cooling shell, the second joint, the third cooling shell and the third joint are arranged in an S shape, and the first cooling shell, the second cooling shell and the third cooling shell are parallel to each other.
From the above description, it can be seen that the S-shaped arrangement can reduce the space occupied by the cooling structure, reduce the exhaust gas flow rate, and increase the heat exchange time and the filtration processing time of the exhaust gas.
Further, the first cooling shell, the second cooling shell and the third cooling shell are all cylindrical.
As apparent from the above description, the cylindrical structure is advantageous in increasing the heat exchange area of the exhaust gas with the cooling case, thereby improving the heat exchange efficiency.
Furthermore, a fan is arranged in the third joint.
As can be seen from the above description, the blower plays a role in pumping out the waste gas, and the blower is arranged in the third machine head to avoid the damage of the high-temperature waste gas.
Further, the outer wall of the first cooling shell is provided with a first inlet and a first liquid outlet respectively, two ends of the first cooling channel are connected with the first inlet and the first liquid outlet respectively, the outer wall of the second cooling shell is provided with a second inlet and a second liquid outlet respectively, two ends of the second cooling channel are connected with the second inlet and the second liquid outlet respectively, the outer wall of the third cooling shell is provided with a third liquid inlet and a third liquid outlet respectively, and two ends of the third cooling channel are connected with the third liquid inlet and the third liquid outlet respectively.
Further, the cooling structure for the internal combustion engine further comprises a first cooling liquid tank, a second cooling liquid tank and a third cooling liquid tank, wherein the first cooling liquid tank is connected with the first liquid inlet through a pump body, the second cooling liquid tank is connected with the second liquid inlet through a pump body, and the third cooling liquid tank is connected with the third liquid inlet through a pump body.
From the above description, the cooling liquid in the cooling shell realizes the refrigeration cycle through the liquid inlet and the liquid outlet, and the cruising ability of the waste gas cooling operation is guaranteed.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a cooling structure for an internal combustion engine includes an internal combustion engine exhaust gas discharge pipe 1 and a cooling device 2;
the cooling device 2 comprises a first cooling shell 3, a first joint 4, a second cooling shell 5, a second joint 6, a third cooling shell 7 and a third joint 8, an exhaust port of the internal combustion engine exhaust gas discharge pipe 1 is connected with one end of an exhaust passage of the first cooling shell 3, and the exhaust passages of the first cooling shell 3, the first joint 4, the second cooling shell 5, the second joint 6, the third cooling shell 7 and the third joint 8 are communicated in sequence;
the first cooling shell 3 is provided with a first cooling channel 31 in a spiral manner in a side wall surrounding an exhaust channel of the first cooling shell 3, the second cooling shell 5 is provided with a second cooling channel 51 in a spiral manner in a side wall surrounding an exhaust channel of the second cooling shell 5, the third cooling shell 7 is provided with a third cooling channel 71 in a spiral manner in a side wall surrounding an exhaust channel of the third cooling shell 7, cooling liquid is introduced into the first cooling channel 31, the second cooling channel 51 and the third cooling channel 71, the temperature of the cooling liquid in the first cooling channel 31, the second cooling channel 51 and the third cooling channel 71 is gradually reduced, the ceramic filter core 41 is arranged in the first joint 4, the activated carbon drying agent 61 is arranged in the second joint 6, and the three-way catalyst 81 is arranged in the third joint 8.
Referring to fig. 1 and fig. 2, a second embodiment of the present invention is: a cooling structure for an internal combustion engine includes an internal combustion engine exhaust gas discharge pipe 1 and a cooling device 2;
the cooling device 2 comprises a first cooling shell 3, a first joint 4, a second cooling shell 5, a second joint 6, a third cooling shell 7 and a third joint 8, an exhaust port of the internal combustion engine exhaust gas discharge pipe 1 is connected with one end of an exhaust passage of the first cooling shell 3, and the exhaust passages of the first cooling shell 3, the first joint 4, the second cooling shell 5, the second joint 6, the third cooling shell 7 and the third joint 8 are communicated in sequence;
the first cooling shell 3 is provided with a first cooling channel 31 in a spiral manner in a side wall surrounding an exhaust channel of the first cooling shell 3, the second cooling shell 5 is provided with a second cooling channel 51 in a spiral manner in a side wall surrounding an exhaust channel of the second cooling shell 5, the third cooling shell 7 is provided with a third cooling channel 71 in a spiral manner in a side wall surrounding an exhaust channel of the third cooling shell 7, cooling liquid is introduced into the first cooling channel 31, the second cooling channel 51 and the third cooling channel 71, the temperature of the cooling liquid in the first cooling channel 31, the second cooling channel 51 and the third cooling channel 71 is gradually reduced, the ceramic filter core 41 is arranged in the first joint 4, the activated carbon drying agent 61 is arranged in the second joint 6, and the three-way catalyst 81 is arranged in the third joint 8.
The first cooling shell 3, the first joint 4, the second cooling shell 5, the second joint 6, the third cooling shell 7 and the third joint 8 are arranged in an S shape, and the first cooling shell 3, the second cooling shell 5 and the third cooling shell 7 are parallel to each other. The first cooling housing 3, the second cooling housing 5, and the third cooling housing 7 are each cylindrical. A fan 82 is arranged in the third joint 8. The outer wall of first cooling housing 3 is equipped with first inlet and first liquid outlet respectively, the both ends of first cooling channel 31 are connected with first inlet and first liquid outlet respectively, the outer wall of second cooling housing 5 is equipped with second inlet and second liquid outlet respectively, the both ends of second cooling channel 51 are connected with second inlet and second liquid outlet respectively, the outer wall of third cooling housing 7 is equipped with third liquid inlet and third liquid outlet respectively, the both ends of third cooling channel 71 are connected with third liquid inlet and third liquid outlet respectively. The cooling structure for the internal combustion engine further comprises a first cooling liquid tank, a second cooling liquid tank and a third cooling liquid tank, wherein the first cooling liquid tank is connected with the first liquid inlet through a pump body, the second cooling liquid tank is connected with the second liquid inlet through a pump body, and the third cooling liquid tank is connected with a third liquid inlet through a pump body.
To sum up, the utility model provides a cooling structure for internal-combustion engine, including internal-combustion engine exhaust emission pipe and cooling device, internal-combustion engine exhaust emission pipe's exhaust waste gas passes through cooling device's first cooling casing in proper order, first joint, second cooling casing, the second connects, third cooling casing and third connect, be equipped with first annular cooling channel in first cooling casing, be equipped with second annular cooling channel in second cooling casing, be equipped with third annular cooling channel in the third cooling casing, the temperature of coolant liquid in first cooling channel, second cooling channel and the third cooling channel reduces gradually, adopt sectional type cooling structure more to be favorable to the high temperature waste gas of internal-combustion engine exhaust and carry out the heat exchange with the coolant liquid in the cooling casing, thereby improve the cooling efficiency of waste gas, and correspond in proper order in first joint, second joint and third joint and set up ceramic filter core, The active carbon drying agent is used for adsorbing small particles in the tail gas and purifying peculiar smell in the tail gas, and the three-way catalyst can convert harmful gases such as CO, HC, NOx and the like discharged from the tail gas of the internal combustion engine into harmless carbon dioxide, water and nitrogen through oxidation and reduction, so that the pollution of the discharged gas of the internal combustion engine to the environment is greatly reduced, and the harm of waste gas to the environment is reduced. The utility model provides a cooling structure for internal-combustion engine realizes the effective processing to internal-combustion engine exhaust waste gas through the multistage tail gas processing structure of sectional type cooling structure cooperation, avoids the problem that internal-combustion engine start-up and the work function that environmental pollution and high temperature lead to reduce.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. A cooling structure for an internal combustion engine, characterized by comprising an internal combustion engine exhaust gas discharge pipe and a cooling device;
the cooling device comprises a first cooling shell, a first joint, a second cooling shell, a second joint, a third cooling shell and a third joint, wherein an exhaust port of the exhaust gas discharge pipe of the internal combustion engine is connected with one end of an exhaust passage of the first cooling shell, and the exhaust passages of the first cooling shell, the first joint, the second cooling shell, the second joint, the third cooling shell and the third joint are sequentially communicated;
the exhaust passage of first cooling casing in the center of the lateral wall internal screw of exhaust passage is provided with first cooling channel, second cooling casing is provided with second cooling channel in the lateral wall internal screw of the exhaust passage of second cooling casing, third cooling casing is provided with third cooling channel in the lateral wall internal screw of the exhaust passage of third cooling casing, all let in the coolant liquid in first cooling channel, second cooling channel and the third cooling channel, the temperature of the coolant liquid in first cooling channel, second cooling channel and the third cooling channel reduces gradually, be equipped with ceramic filter core in the first joint, be equipped with the active carbon drier in the second joint, be equipped with the ternary catalyst in the third joint.
2. The cooling structure for an internal combustion engine according to claim 1, wherein the first cooling housing, the first joint, the second cooling housing, the second joint, the third cooling housing, and the third joint are arranged in an S-shape, and the first cooling housing, the second cooling housing, and the third cooling housing are parallel to each other.
3. The cooling structure for an internal combustion engine according to claim 1, wherein the first cooling housing, the second cooling housing, and the third cooling housing are each cylindrical.
4. The cooling structure for an internal combustion engine according to claim 1, wherein a fan is provided in the third joint.
5. The cooling structure for an internal combustion engine according to claim 1, wherein the outer wall of the first cooling housing is provided with a first liquid inlet and a first liquid outlet, respectively, both ends of the first cooling passage are connected to the first liquid inlet and the first liquid outlet, respectively, the outer wall of the second cooling housing is provided with a second liquid inlet and a second liquid outlet, respectively, both ends of the second cooling passage are connected to the second liquid inlet and the second liquid outlet, respectively, the outer wall of the third cooling housing is provided with a third liquid inlet and a third liquid outlet, respectively, and both ends of the third cooling passage are connected to the third liquid inlet and the third liquid outlet, respectively.
6. The cooling structure for an internal combustion engine according to claim 5, further comprising a first coolant tank connected to the first liquid inlet port through a pump body, a second coolant tank connected to the second liquid inlet port through a pump body, and a third coolant tank connected to the third liquid inlet port through a pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272157.0U CN211900741U (en) | 2020-03-06 | 2020-03-06 | Cooling structure for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272157.0U CN211900741U (en) | 2020-03-06 | 2020-03-06 | Cooling structure for internal combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN211900741U true CN211900741U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020272157.0U Active CN211900741U (en) | 2020-03-06 | 2020-03-06 | Cooling structure for internal combustion engine |
Country Status (1)
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|---|---|
| CN (1) | CN211900741U (en) |
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2020
- 2020-03-06 CN CN202020272157.0U patent/CN211900741U/en active Active
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