CN113404583B - High-power diesel engine cooling system filler cap for plateau environment - Google Patents

High-power diesel engine cooling system filler cap for plateau environment Download PDF

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Publication number
CN113404583B
CN113404583B CN202110867917.1A CN202110867917A CN113404583B CN 113404583 B CN113404583 B CN 113404583B CN 202110867917 A CN202110867917 A CN 202110867917A CN 113404583 B CN113404583 B CN 113404583B
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CN
China
Prior art keywords
air
valve
cooling system
cover body
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110867917.1A
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Chinese (zh)
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CN113404583A (en
Inventor
刘艳斌
刘建敏
乔新勇
董意
张小明
顾程
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Academy of Armored Forces of PLA
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Academy of Armored Forces of PLA
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Priority to CN202110867917.1A priority Critical patent/CN113404583B/en
Publication of CN113404583A publication Critical patent/CN113404583A/en
Application granted granted Critical
Publication of CN113404583B publication Critical patent/CN113404583B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204Filling
    • F01P11/0209Closure caps
    • F01P11/0238Closure caps with overpressure valves or vent valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204Filling
    • F01P11/0209Closure caps
    • F01P11/0247Safety; Locking against opening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0276Draining or purging
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0285Venting devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204Filling
    • F01P11/0209Closure caps
    • F01P11/0238Closure caps with overpressure valves or vent valves
    • F01P2011/0242Closure caps with overpressure valves or vent valves setting the pressure valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204Filling
    • F01P11/0209Closure caps
    • F01P11/0247Safety; Locking against opening
    • F01P2011/0266Safety; Locking against opening activated by pressure

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasket Seals (AREA)

Abstract

The invention discloses a high-power diesel engine cooling system water inlet cover for a plateau environment, which comprises: the cover body is of a hollow structure, one end of the cover body is an open end, the other end of the cover body is a sealed end, the sealed end is provided with a plurality of first air holes, the side surface of the cover body is provided with a second air hole, and a stop step is arranged in the cover body; the air valve adjusting base is detachably arranged at the opening end; the air valve body comprises a top surface, a partition plate, a first bottom surface, a second bottom surface and an outer ring; at least one fourth air hole is arranged on the partition board in an openable and closable manner; the air valve spring is arranged between the air valve body and the air valve adjusting base; the steam valve comprises a central rod, a steam valve adjusting nut and a valve; the steam valve spring is arranged between the steam valve nut and the air valve body. When the pressure of the cooling system is lower than the limiting pressure, the external air opens the fourth air hole and the air valve to enter the cooling system; when the cooling liquid leaks, the fourth air hole is closed, a closed cavity is formed in the air valve, and the cooling liquid is prevented from being scattered.

Description

High-power diesel engine cooling system filler cap for plateau environment
Technical Field
The invention relates to the technical field of diesel engines, in particular to a water inlet cover of a high-power diesel engine cooling system for a plateau environment.
Background
When the vehicle is used in a highland windy and sandy area, after the pressure of the cooling system is lower than the limiting pressure, the air valve is opened by the outside air, and the outside air enters the cooling system; when the dust content of the external air is high, the dust in the air can be gradually deposited between the air valve and the sealing surface of the water adding cover body, so that the sealing is not tight; when the pressure of the cooling system is increased but the steam valve is insufficient to open due to the fact that the cooling liquid is changed into the gaseous state when the engine is in use, water vapor can leak from the sealing surface of the air valve, the cooling liquid is scattered, the heat dissipation performance of the engine is deteriorated, and a heat damage fault occurs.
Disclosure of Invention
Based on the technical problems, the invention aims to design and develop a water inlet cover of a high-power diesel engine cooling system for a plateau environment, and through combination of an air hole of a partition plate and an air valve and combination of a steam valve and the air valve which are arranged inwards, the internal pressure of the cooling system can be kept, and loss of cooling liquid can be avoided.
The technical scheme provided by the invention is as follows:
A high power diesel engine cooling system filler cap for a plateau environment, comprising:
The cover body is of a hollow structure, one end of the cover body is an open end, the other end of the cover body is a sealing end, the sealing end is provided with a plurality of first air holes, the side surface of the cover body is provided with a second air hole, and a stop step is arranged in the cover body;
the air valve adjusting base is detachably arranged at the opening end;
The air valve body comprises a top surface, a partition plate, a first bottom surface, a second bottom surface and an outer ring;
The partition plate, the first bottom surface and the outer ring form a semicircular groove, a plurality of third air holes are formed in the first bottom surface, the top surface and the second bottom surface are arranged at two ends of the partition plate in parallel at intervals, the second bottom surface is in sliding clamping with the stop step, and the outer ring and the top surface are in contact with the cover body;
at least one fourth air hole which is arranged on the partition board in an openable and closable manner;
an air valve spring arranged between the air valve body and the air valve adjusting base;
A steam valve comprising a central rod, a steam valve adjustment nut and a valve;
One end of the central rod can slidably penetrate through the partition plate and the sealing end, the steam valve adjusting nut is arranged at the other end of the central rod, the valve is of a semicircular structure and is perpendicular to the central rod, the valve is arranged in the semicircular groove, and the radius of the valve is larger than the distance from the third air hole to the center of the air valve body;
and the steam valve spring is arranged between the steam valve nut and the air valve body.
Preferably, the cover body comprises a first inner wall and a second inner wall, the inner diameter of the first inner wall is larger than the inner diameter of the second inner wall, a stop step is arranged between the first inner wall and the second inner wall, the radius of the outer ring and the radius of the top surface are the same as the inner diameter of the second inner wall, and the radius of the second bottom surface is the same as the radius of the first inner wall.
Preferably, the plurality of first air holes are all arranged on one side of the central line of the sealing end.
Preferably, the radius of the second bottom surface is larger than the radius of the top surface.
Preferably, the third air holes and the first air holes are vertically arranged.
Preferably, the method further comprises:
The air hole valves are arranged on the fourth air holes in a one-to-one correspondence mode, and the air hole valves are arranged between the top surface and the second bottom surface;
and a spring arranged between the air hole valve and the fourth air hole.
Preferably, the method further comprises:
the air filter screens are arranged on the first air holes in a one-to-one correspondence mode.
Preferably, the method further comprises:
And a plurality of bump structures spaced apart outside the sealed end.
The beneficial effects of the invention are as follows:
The invention relates to a water inlet cover of a high-power diesel engine cooling system for a plateau environment, which is designed and developed by the invention, when the pressure of the cooling system is lower than a limiting pressure in a plateau windy and sandy area, external air opens a baffle air hole and an air valve to enter the cooling system; meanwhile, when sand and dust carried in the air enter the joint surface of the air valve and the valve seat to cause leakage of cooling liquid, the air hole of the partition plate is closed, a closed cavity is formed in the air valve, so that the cooling liquid is prevented from being scattered, the inspection and maintenance workload of a cooling system is reduced, and the working reliability of a diesel engine working in a plateau windy and sandy area is obviously improved.
Drawings
FIG. 1 is a schematic diagram of the water inlet cover of the high-power diesel engine cooling system for the plateau environment.
Fig. 2 is a schematic structural view of the cover body according to the present invention.
Fig. 3 is a schematic view of the overall structure of the air valve body according to the present invention.
Fig. 4 is a schematic top view of the air valve body according to the present invention.
Fig. 5 is a schematic side view of the air valve body according to the present invention.
Fig. 6 is a schematic diagram of an assembling structure of the air valve and the cover of the present invention.
Fig. 7 is a schematic structural view of the steam valve according to the present invention.
Fig. 8 is a schematic structural diagram of the steam valve and the steam valve spring according to the present invention.
FIG. 9 is a schematic cross-sectional view of a water filler cap of a high-power diesel engine cooling system for a plateau environment according to the present invention.
FIG. 10 is a schematic illustration of the air intake path of the water port cover of the high power diesel engine cooling system for a plateau environment according to the present invention.
FIG. 11 is a schematic view of the steam escape route of the water filler cap of the high power diesel engine cooling system for the plateau environment according to the present invention.
FIG. 12 is a schematic view of the water port cover of the high power diesel engine cooling system for the plateau environment for preventing steam leakage according to the present invention.
Detailed Description
The present invention is described in further detail below to enable those skilled in the art to practice the invention by reference to the specification.
As shown in fig. 1 and2, the water inlet cover of the high-power diesel engine cooling system for the plateau environment provided by the invention comprises: the cover body 110, specifically, the cover body 110 is a hollow structure, one end of the cover body 110 is an open end, the other end is a sealed end, one side of a central line of the sealed end is provided with a plurality of first air holes 112, the center of the sealed end is provided with a first through hole 113, the side surface of the cover body 220 is provided with a second air hole 114, the cover body 110 comprises a first inner wall 115 and a second inner wall 116, the inner diameter of the first inner wall 115 is larger than the inner diameter of the second inner wall 116, and a stop step is formed between the first inner wall 115 and the second inner wall 116; a plurality of bump structures 111 are spaced apart outboard of the sealed ends.
In this embodiment, the number of the first air holes 112 is 3, and the number of the bump structures 111 is 4.
The invention also includes: the air filter screens are arranged on the first air holes 112 in a one-to-one correspondence manner.
As shown in fig. 2,3 and 4, the present invention further includes: an air valve adjustment base 121 and an air valve body 122, wherein the air valve adjustment base 121 is detachably arranged at the opening end through threads, so as to be fixed on the cover body 110; the air valve body 122 includes a top surface 201, a diaphragm 202, a first bottom surface 203, a second bottom surface 208, and an outer race 204; the outer ring 204 has a circular arc structure, the partition plate 202, the first bottom surface 203 and the outer ring 204 form a semicircular groove, the first bottom surface 203 is provided with a plurality of third air holes 205, and the top surface 201 and the second bottom surface 208 are both in a semicircular structure and are arranged at two ends of the partition plate 202 in parallel at intervals; the radius of the second bottom surface 208 is larger than that of the top surface 201, and a second through hole 206 is provided at the center of the partition 202.
In the present embodiment, the number of the third air holes 205 is 3, and the 3 third air holes 205 and the plurality of first air holes 112 are vertically arranged.
As shown in fig. 5, at least one fourth air hole 207 is provided on the partition 202, at least one air hole valve 209 is provided on the at least one fourth air hole 207 in a one-to-one correspondence manner through a spring, and when no air passes in or out of the air hole, the air hole valve 209 can close the fourth air hole 207; and the at least one vent valve 209 is disposed between the top surface 201 and the second bottom surface 208.
In this embodiment, the number of the fourth air holes 207 is 2.
As shown in fig. 6, the air valve 122 is disposed in the cover 110, the radius of the outer ring 204 and the radius of the top surface 201 are the same as the inner diameter of the second inner wall 116, the radius of the second bottom surface 208 is the same as the radius of the first inner wall 115, the second bottom surface 208 is slidably engaged with the stop step, and the outer ring 204 and the top surface 201 are in contact with the cover 110 to realize sealing; an air valve spring 123 is provided between the air valve body 122 and the air valve adjustment base 121.
As shown in fig. 7 and 8, the present invention further includes: a steam valve, specifically, a steam valve comprising a central rod 131, a steam valve adjustment nut 133, and a valve 132; as shown in fig. 9, one end of the central rod 131 slidably passes through the second through hole 206 and the first through hole 113, the steam valve adjusting nut 133 is screwed on the other end of the central rod 131, the valve 132 is in a semicircular structure and is perpendicular to the central rod 131, the valve 132 is disposed in the semicircular groove, and the radius of the valve 132 is greater than the distance from the third air hole 205 to the center of the air valve 122; a steam valve spring 134 is provided between the steam valve nut 133 and the air valve 122.
The working process of the water inlet cover of the high-power diesel engine cooling system for the plateau environment is as follows:
As shown in fig. 10, when the pressure of the cooling system is lower than the limiting pressure in the plateau windy and sandy area, the external air enters the air valve 122 through the first air hole 112, the air hole valve 209 on the fourth air hole 207 is opened, the external air pressure pushes the second bottom surface 208 to slide downwards, so that a gap is formed between the second bottom surface 208 and the cover 110, the external air enters the cooling system through the second air hole 114 until the pressure of the cooling system is not lower than the limiting pressure, and the air valve spring 123 pushes the second bottom surface 208 to be clamped with the stop step through the restoring force of the spring.
As shown in fig. 11, when the pressure in the cooling system is higher than the defined pressure, the internal steam enters the cover 110 through the second air hole 114, the steam generates upward thrust to the valve 132 through the third air hole 205, and the steam enters the external environment from the third air hole 205 and the first air hole 112 until the pressure in the cooling system is not higher than the defined pressure, and the steam valve spring 134 drives the valve 132 to close the third air hole 205 through the restoring force of the spring.
As shown in fig. 12, when the sand and dust carried in the air enters the joint surface of the air valve body 122 and the air valve adjusting base 121 to cause leakage of the cooling liquid, the air hole valve 209 closes the fourth air hole 207, a closed cavity is formed in the air valve, so that the cooling liquid is prevented from being lost, the inspection and maintenance workload of the cooling system is reduced, and the working reliability of the diesel engine working in the plateau windy and sandy area is obviously improved.
The water inlet cover of the high-power diesel engine cooling system for the plateau environment, provided by the invention, maintains the pressure in the cooling system when being used in a plateau windy and sandy area, avoids the loss of cooling liquid, reduces the inspection and maintenance workload of the cooling system, and obviously improves the working reliability of the diesel engine working in the plateau windy and sandy area.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.

Claims (5)

1. The utility model provides a high-power diesel engine cooling system filler cap for plateau environment which characterized in that includes:
The cover body is of a hollow structure, one end of the cover body is an open end, the other end of the cover body is a sealing end, the sealing end is provided with a plurality of first air holes, the side surface of the cover body is provided with a second air hole, and a stop step is arranged in the cover body;
the air valve adjusting base is detachably arranged at the opening end;
The air valve body comprises a top surface, a partition plate, a first bottom surface, a second bottom surface and an outer ring;
The baffle plate, the first bottom surface and the outer ring form a semicircular groove, a plurality of third air holes are formed in the first bottom surface, the top surface and the second bottom surface are arranged at two ends of the baffle plate in parallel at intervals, the second bottom surface is in sliding engagement with the stop step, the outer ring and the top surface are in contact with the cover body, the cover body comprises a first inner wall and a second inner wall, the inner diameter of the first inner wall is larger than that of the second inner wall, a stop step is arranged between the first inner wall and the second inner wall, the radius of the outer ring and the radius of the top surface are the same as those of the second inner wall, the radius of the second bottom surface is the same as that of the first inner wall, and the radius of the second bottom surface is larger than that of the top surface;
at least one fourth air hole which is arranged on the partition board in an openable and closable manner;
an air valve spring arranged between the air valve body and the air valve adjusting base;
A steam valve comprising a central rod, a steam valve adjustment nut and a valve;
One end of the central rod can slidably penetrate through the partition plate and the sealing end, the steam valve adjusting nut is arranged at the other end of the central rod, the valve is of a semicircular structure and is perpendicular to the central rod, the valve is arranged in the semicircular groove, and the radius of the valve is larger than the distance from the third air hole to the center of the air valve body;
and the steam valve spring is arranged between the steam valve nut and the air valve body.
2. The high power diesel cooling system filler cap for a plateau environment of claim 1, wherein said third plurality of air holes and said first plurality of air holes are vertically disposed.
3. The high power diesel engine cooling system filler cap for a plateau environment of claim 2, further comprising:
The air hole valves are arranged on the fourth air holes in a one-to-one correspondence mode, and the air hole valves are arranged between the top surface and the second bottom surface;
and a spring arranged between the air hole valve and the fourth air hole.
4. The high power diesel engine cooling system filler cap for a plateau environment of claim 3, further comprising:
the air filter screens are arranged on the first air holes in a one-to-one correspondence mode.
5. The high power diesel engine cooling system filler cap for a plateau environment of claim 4, further comprising:
And a plurality of bump structures spaced apart outside the sealed end.
CN202110867917.1A 2021-07-30 2021-07-30 High-power diesel engine cooling system filler cap for plateau environment Active CN113404583B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110867917.1A CN113404583B (en) 2021-07-30 2021-07-30 High-power diesel engine cooling system filler cap for plateau environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110867917.1A CN113404583B (en) 2021-07-30 2021-07-30 High-power diesel engine cooling system filler cap for plateau environment

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Publication Number Publication Date
CN113404583A CN113404583A (en) 2021-09-17
CN113404583B true CN113404583B (en) 2024-05-10

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB798233A (en) * 1955-08-29 1958-07-16 Smith & Sons Ltd S Improvements in or relating to filler passages and closure caps for radiators
DE4331396C1 (en) * 1993-09-15 1995-04-13 Bayerische Motoren Werke Ag Cyclone steam separator for evaporation cooling systems of internal combustion engines
CN105697127A (en) * 2015-12-11 2016-06-22 李陶胜 Novel automobile radiator cap
CN213510843U (en) * 2020-11-30 2021-06-22 重庆德钢科技开发有限公司 Radiator water filling port cover
CN213574332U (en) * 2020-11-30 2021-06-29 重庆德钢科技开发有限公司 Composite water filler cap
CN215595712U (en) * 2021-07-30 2022-01-21 中国人民解放军陆军装甲兵学院 High-power diesel engine cooling system filler cap for plateau environment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB798233A (en) * 1955-08-29 1958-07-16 Smith & Sons Ltd S Improvements in or relating to filler passages and closure caps for radiators
DE4331396C1 (en) * 1993-09-15 1995-04-13 Bayerische Motoren Werke Ag Cyclone steam separator for evaporation cooling systems of internal combustion engines
CN105697127A (en) * 2015-12-11 2016-06-22 李陶胜 Novel automobile radiator cap
CN213510843U (en) * 2020-11-30 2021-06-22 重庆德钢科技开发有限公司 Radiator water filling port cover
CN213574332U (en) * 2020-11-30 2021-06-29 重庆德钢科技开发有限公司 Composite water filler cap
CN215595712U (en) * 2021-07-30 2022-01-21 中国人民解放军陆军装甲兵学院 High-power diesel engine cooling system filler cap for plateau environment

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