KR20130053984A - Cap for surge tank at cooling system in vehicle - Google Patents

Cap for surge tank at cooling system in vehicle Download PDF

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Publication number
KR20130053984A
KR20130053984A KR1020110119734A KR20110119734A KR20130053984A KR 20130053984 A KR20130053984 A KR 20130053984A KR 1020110119734 A KR1020110119734 A KR 1020110119734A KR 20110119734 A KR20110119734 A KR 20110119734A KR 20130053984 A KR20130053984 A KR 20130053984A
Authority
KR
South Korea
Prior art keywords
cap
mounting hole
surge tank
hole
discharge hole
Prior art date
Application number
KR1020110119734A
Other languages
Korean (ko)
Inventor
정희종
Original Assignee
현대자동차주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020110119734A priority Critical patent/KR20130053984A/en
Publication of KR20130053984A publication Critical patent/KR20130053984A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/029—Expansion reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/22—Motor-cars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/20—Cooling circuits not specific to a single part of engine or machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)

Abstract

PURPOSE: A surge tank cap of a vehicle cooling system is provided to discharge high temperature and high pressure air inside a surge tank before the cap is opened, thereby preventing danger of burns and wounds which is caused by the opening of the cap. CONSTITUTION: A surge tank cap of a vehicle cooling system comprises a cap main body(20), a button(30), and a return spring(40). The cap main body is connected to an injection port(11) of a surge tank, and comprises a discharge hole(22) and a mounting hole(21). The button is movably installed inside the mounting hole, and comprises a push unit(31) and a guard unit(32). The push unit blocks the outside end of the mounting hole when the push unit is pressed, and the guide unit is separated from the cap to open the discharge hole at the same time. The return spring has both ends which are supported respectively by the inside of the mounting hole and the push unit, and provides an elastic force for the guard unit to block the inside end of the mounting hole and the discharge hole.

Description

CAP FOR SURGE TANK AT COOLING SYSTEM IN VEHICLE}

The present invention relates to a cap for a surge tank of a vehicle cooling system which can discharge the high temperature and high pressure air inside the surge tank before opening the cap to prevent a risk of burns and injuries that may occur when the cap is opened.

The engine cooling system of the vehicle is provided with a radiator, thermostat, water pump, surge tank, etc., and the thermostat is opened or closed according to the temperature of the coolant circulating the engine to circulate the coolant inside the engine or to the radiator side. .

That is, when the temperature of the cooling water is below a certain temperature, only the inside of the engine is circulated, and if the temperature is above a certain temperature, the thermostat is opened while the cooling water is introduced into the radiator, cooled, and then circulated into the engine by the water pump.

In addition, a surge tank is used to hold the cooling water during expansion and contraction of the cooling water in the cooling process of the engine and to apply a constant pressure to the cooling system.

1 is a view showing the conventional surge tank described above, the cap 2 is detachably coupled to the upper side of the surge tank 1, it is possible to replenish or drain the cooling water as needed.

However, in the prior art, since the coolant used for engine cooling is a high temperature, a high temperature and high pressure air is generated inside the surge tank. In this case, when the cap is opened for the purpose of replenishing or draining the coolant, the high temperature and high pressure air and the coolant are By ejecting together with the cap, there is a problem that the risk of burns and injury increases.

That is, due to the structure of the cooling system, the lower part of the surge tank should be provided at a height equal to or greater than the upper end of the engine and the radiator, so that the position of the cap cannot but be raised together. Therefore, the cap is positioned on the face of the user who opens the cap, thereby increasing the risk of injury.

Thus, the engine may be cooled and then the cap may be opened, or the cap may be slowly opened with care while wearing gloves. However, in the case of a bus having a low garage stop time, such a cap opening method is very inconvenient.

In addition, the above problem occurs even when the coolant discharge is required to replace the surge tank and replace the engine parts due to the cap failure.

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

The present invention has been made in order to solve the conventional problems as described above, the vehicle cooling to discharge the high temperature and high pressure air inside the surge tank before the cap opening to prevent the risk of burns and injuries that can occur when opening the cap To provide a cap for the surge tank of the system.

The configuration of the present invention for achieving the above object, the injection body is provided on the upper side of the surge tank is coupled to the injection hole, the inner side and the outer side of the cap body formed with a mounting hole and the discharge hole in a shape to pass through each other; It is installed through the mounting hole, the pressing part is provided at one end, the guard part is provided at the other end to block the inner end of the mounting hole and the discharge hole, the pressing part to block the outer end of the mounting hole and at the same time the guard part cap A button spaced apart from the body to open the discharge hole; And a return spring provided between the cap body and the pressing part, the guard part being supported by the cap body to provide an elastic force to block the inner ends of the mounting hole and the discharge hole.

The first sealing may be provided in the mounting hole, and the pressing part may be in close contact with the first sealing when the pressing part is pressurized to be airtight at the outer end side of the mounting hole.

A second seal may be provided inside the guard part, and the second seal may be in close contact with the cap body by the elastic force of the return spring to be airtight at the inner end side of the mounting hole and the discharge hole.

The outer end of the discharge hole may be formed toward the side of the cap body.

The discharge hole may be formed in a shape connected to the middle of the mounting hole.

The present invention through the above-described problem solving means, by opening the discharge hole formed in the cap body through the push operation of the button, it is possible to take out the high-temperature and high-pressure air in the surge tank in advance through the discharge hole before the separation of the cap, There is an effect of preventing the risk of burns and injuries that may be caused by high temperature and high pressure air.

1 is a view showing a cap coupling structure in a surge tank according to the prior art.
2 is a view showing the shape of the surge tank and the cap according to the present invention.
3 is a view showing a coupling structure of a surge tank and a cap according to the present invention.
4 is a view showing an air discharge structure according to the discharge hole opening according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 to 4, the cap for the surge tank of the vehicle cooling system of the present invention, the injection port 11 is provided on the upper side of the surge tank 10 is coupled to the injection port 11, the inner side and the outer The cap body 20 having the discharge hole 22 and the mounting hole 21 formed in a side penetrating with each other, and is installed through the mounting hole 21 to move, the pressing portion 31 is provided at one end , The guard part 32 is provided at the other end so that the guard part 32 blocks the inner end of the discharge hole 22, and when the pressing part 31 is pressed, the pressing part 31 is the outer end of the mounting hole 21. At the same time, the guard part 32 is spaced apart from the cap body 20 and the button 30 for opening the discharge hole 22 and one end is supported in the mounting hole 21, and the other end is pressed. Supported by (31), the guard portion 32 may be configured to include a return spring 40 for providing an elastic force to block the inner end of the mounting hole 21 and the discharge hole (22).

That is, when the cap body 20 is coupled to the inlet 11 of the surge tank 10, the pressing part 31 provided on the cap body 20 is pressed, and the guard part 32 is the cap body ( At the same time, the bottom surface of the pressing portion 31 blocks the outer end of the mounting hole 21 in which the cap body 20 is inserted, and thus the discharge hole 22 is opened to open the high temperature inside the surge tank 10. High pressure air can escape through the discharge hole (22).

Therefore, when the inside of the surge tank 10 is in a state of high temperature and high pressure, air is drawn out through the discharge hole 22 before the cap body 20 is opened, thereby lowering the internal pressure of the surge tank 10, thereby reducing the cap body 20. It is possible to prevent the risk of burns and injuries caused by hot air at the time of opening.

Here, a sealing 23 may be inserted between the cap body 20 and the injection hole 11 to seal and seal between the cap body 20 and the injection hole 11.

In addition, the guard portion 32 is screwed to the center of the pressing portion 31, the button 30 is configured, the button 30 can be easily assembled.

Meanwhile, in the present invention as shown in FIGS. 3 and 4, the first sealing 33 is provided inside the mounting hole 21, and the pressing part 31 is pressurized when the pressing part 31 is pressed. ) And the outer end of the mounting hole 21 can be airtight.

That is, the inside of the mounting hole 21 is formed to be stepped into a plurality of stages, and a sealing groove and a spring seating groove are formed, respectively, and the first sealing 33 is seated and supported in the sealing groove. Therefore, the bottom surface of the pressing part 31 comes into close contact with the first sealing 33 when the button 30 is moved by the pressing of the pressing part 31, so that the outer end of the mounting hole 21 can be hermetically sealed. Due to this, the high pressure air pressure in the surge tank 10 may be discharged through the discharge hole 22.

Here, the end of the return spring 40 is seated and supported by the spring seating groove.

In the present invention, the second seal 34 is provided on the inside of the guard portion 32, the second seal 34 by the elastic force of the return spring 40 is in close contact with the cap body 20 mounting hole ( 21 and the inner end of the discharge hole 22 can be airtight.

That is, since the sealing groove is provided inside the guard part 32, the second sealing 34 is fitted in the sealing groove. Therefore, by providing the elastic force to move the pressing portion 31 to the outside of the cap body 20 by the return spring 40, the second sealing 34 provided in the guard portion 32 is the cap body 20 It is in close contact with the inner end of the mounting hole 21 and the inner end of the discharge hole 22 can be airtight, so that the high pressure is maintained in the surge tank 10 in the usual or inside the surge tank 10 It is possible to prevent the air pressure from being discharged to the outside.

In the present invention, the outer end of the discharge hole 22 may be formed toward the side of the end of the cap body 20. That is, high pressure air is discharged while the discharge hole 22 is opened when the button 30 is pressurized. At this time, the high pressure and high temperature air are discharged from the side of the cap body 20, so that the user discharges the air. Ejected in the direction away from the position. Therefore, it is possible to more effectively prevent the risk of injury to the user due to the high temperature and high pressure air discharge.

In the present invention, the discharge hole 22 may be formed in a shape connected to the middle of the mounting hole (21). That is, the inner end of the discharge hole 22 is not connected to the mounting hole 21, but may be installed penetrating inside the cap body 20 separately from the mounting hole 21, in which case the mounting hole 21 ), Of course, the size of the guard portion 32 and the second sealing 34 should be wider to block the discharge hole 22.

In this embodiment of the present invention, as the discharge hole 22 and the mounting hole 21 is made of a structure connected to each other, the guard portion 32 and the second sealing 34 at the inner end side of the mounting hole 21 If the airtight, the mounting hole 21, as well as the discharge hole 22 is sealed together, it is possible to minimize the structure of the guard portion 32 and the second sealing (34).

3 and 4 will be described in detail the operation and effect of the present invention.

As the coolant circulates during engine cooling according to the driving of the vehicle, high temperature and high pressure air is generated in the upper side of the surge tank 10.

When the coolant needs to be replenished in such a state, the pusher 31 is first pressed to move the button 30 to the inner side of the cap body 20.

As such, when the button 30 is moved, the bottom surface of the pressing part 31 comes into close contact with the first sealing 33, and the outer end of the mounting hole 21 is hermetically sealed, and the guard part 32 is inside the injection hole 11. The second seal 34 is moved away from the cap body 20.

Accordingly, the discharge hole 22 is opened while a space is formed between the second sealing 34 and the cap body 20, and the air inside the surge tank 10 is discharged through the discharge hole 22. The discharge is made to the outside. At this time, the outer end of the mounting hole 21 is maintained by the first sealing 33 to keep the airtight state, so that the air escapes only through the discharge hole 22.

Subsequently, when the air discharge inside the surge tank 10 is completed, the pressing portion 31 is released. As such, when the pressing action of the pressing part 31 is released, since the elastic force is provided to the button 30 by the return spring 40, the button 30 is moved to the outside of the cap body 20.

Accordingly, at the same time as the movement of the button 30, the pressing portion is moved inwardly of the cap body 20 so that the second sealing 34 comes into close contact with the cap body 20, thereby discharging the hole 22 and the mounting hole 21. This prevents the inside of the surge tank 10 to be airtight.

As described above, in the present invention, when the high temperature and high pressure air is generated inside the surge tank 10, the pressing part 31 of the button 30 is pressed and the guard part 32 is connected to the cap body 20. By being spaced apart, the discharge hole 22 is opened. Therefore, the internal pressure of the surge tank 10 is dropped by extracting the high temperature and high pressure air through the open discharge hole 22, so that the risk of burn and injury that may be generated by the high temperature and high pressure air when the cap body 20 is opened. Will be prevented.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the specific embodiments set forth herein; rather, .

10: surge tank 11: inlet
20: cap body 21: mounting hole
22: discharge hole 30: button
31: pressing part 32: guard part
33: first sealing 34: second sealing
40: return spring

Claims (5)

An inlet 11 is provided at the upper side of the surge tank 10 and coupled to the inlet 11, and a cap body having a mounting hole 21 and an outlet hole 22 formed in a shape in which the inner side and the outer side penetrate each other. 20;
It is installed through the mounting hole 21, the pressing portion 31 is provided at one end, the guard portion 32 is provided at the other end so that the guard portion 32 is inside the mounting hole 21 and the discharge hole 22 When the pressing portion 31 is pressed, the pressing portion 31 blocks the outer end of the mounting hole 21 and the guard portion 32 is spaced apart from the cap body 20 while the discharge portion 22 is closed. A button 30 to be opened; And
It is provided between the cap body 20 and the pressing portion 31, the guard portion 32 is supported by the cap body 20 to the elastic force to block the inner end of the mounting hole 21 and the discharge hole 22 Cap for the surge tank of a vehicle cooling system comprising; providing a return spring (40). The method according to claim 1,
The first sealing 33 is provided inside the mounting hole 21, and when the pressing part 31 is pressed, the pressing part 31 is in close contact with the first sealing 33 so that an outer end of the mounting hole 21 is provided. Cap for surge tank of the vehicle cooling system, characterized in that the airtight side. The method according to claim 1,
The second seal 34 is provided inside the guard part 32, and the second seal 34 is closely attached to the cap body 20 by the elastic force of the return spring 40, and the mounting hole 21 and the discharge hole are discharged. A cap for a surge tank of a vehicle cooling system, characterized in that it is airtight at the inner end side of the hole (22). The method according to claim 1,
The outer end of the discharge hole 22 is a cap for the surge tank of the vehicle cooling system, characterized in that formed toward the side of the cap body (20). The method according to claim 1,
The discharge hole 22 is a cap for the surge tank of the vehicle cooling system, characterized in that formed in the shape connected to the middle of the mounting hole (21).
KR1020110119734A 2011-11-16 2011-11-16 Cap for surge tank at cooling system in vehicle KR20130053984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110119734A KR20130053984A (en) 2011-11-16 2011-11-16 Cap for surge tank at cooling system in vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110119734A KR20130053984A (en) 2011-11-16 2011-11-16 Cap for surge tank at cooling system in vehicle

Publications (1)

Publication Number Publication Date
KR20130053984A true KR20130053984A (en) 2013-05-24

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KR1020110119734A KR20130053984A (en) 2011-11-16 2011-11-16 Cap for surge tank at cooling system in vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107701292A (en) * 2017-11-17 2018-02-16 吉林大学 A kind of expansion water tank cover, expansion tank and its control method of the anti-scald in engine high-temperature

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107701292A (en) * 2017-11-17 2018-02-16 吉林大学 A kind of expansion water tank cover, expansion tank and its control method of the anti-scald in engine high-temperature
CN107701292B (en) * 2017-11-17 2023-07-11 吉林大学 Anti-scalding expansion water tank cover at high temperature of engine, expansion water tank and control method thereof

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