CN217300701U - Water cooling system for motor tricycle - Google Patents

Abstract

The utility model relates to a water cooling system for motor tricycle, water cooling system connects and sets up in motor tricycle's engine, water cooling system includes the boiling water tank, the boiling water tank is seal shell, and boiling water tank bottom communicates to the water inlet of engine, and boiling water tank upper portion communicates to the delivery port of engine. An object of the utility model is to solve or alleviate present boiling water cooling circulation system natural convection at least, the velocity of flow is slow, the poor problem of circulation effect, provides a water cooling system for motor tricycle.

Description

Water cooling system for motor tricycle

Technical Field

The utility model relates to an engine cooling technical field especially relates to a water cooling system for motor tricycle.

Background

The water-cooling circulation system configuration of motor tricycle's engine in the existing market, all place an open-ended boiling water tank in the place that is higher than engine hot water delivery port, after adding the coolant liquid, when the engine operation, the high temperature coolant liquid that has the bubble because density is little floats to the boiling water tank in, the bubble that overflows is discharged from the opening of water tank in, the coolant liquid temperature reduces, the density sinks after increasing, then microthermal coolant liquid flows in the water inlet of engine from the lower mouth of a river of coolant water tank, the coolant liquid forms the circulation in the engine.

The conventional boiling water-cooling circulation system is completely based on natural high-low temperature difference of cooling liquid to form convection and completely based on gravity flow, so that the conventional boiling water-cooling circulation system is natural convection, slow in flow speed and poor in circulation effect. In order to accelerate the cooling speed of the engine, the convection speed can be increased only by increasing the position of the boiling water tank as much as possible, and the position arrangement of a cooling system of the motor tricycle is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, solve or alleviate present boiling water cooling circulation system natural convection at least, the velocity of flow is slow, the poor problem of circulation effect, provides a water cooling system for motor tricycle.

The utility model discloses a realize through following technical scheme:

the water cooling system for the motor tricycle is connected with an engine arranged on the motor tricycle and comprises a boiling water tank, wherein the boiling water tank is a sealed shell, the bottom of the boiling water tank is communicated to a water inlet of the engine, and the upper part of the boiling water tank is communicated to a water outlet of the engine.

In order to further realize the utility model discloses, can prefer to choose following technical scheme:

preferably, boiling water tank top is provided with the pressure release valve subassembly, the pressure release valve subassembly includes blast pipe, pressure release lid, pressure release piston and pressure release mouth, the blast pipe is vertical to be set up in boiling water tank top, the fixed intercommunication of blast pipe lower extreme and boiling water tank, the sealed dismantlement of pressure release lid sets up in the blast pipe upper end, the pressure release mouth is the tubulose of horizontal setting, and pressure release mouth one end communicates to blast pipe middle part, the outside extension of the other end, pressure release piston axial seal slides and sets up in the blast pipe and be located pressure release mouth below, is provided with the spring between pressure release piston and the pressure release lid, and the spring both ends are supported respectively to pressure release piston and pressure release lid.

Preferably, the distance between the position where the boiling water tank is communicated with the water outlet of the engine and the inner bottom surface of the boiling water tank is alpha, the distance between the top surface and the bottom surface in the boiling water tank is beta, and the ratio of the alpha to the beta is 0.6-0.7.

Preferably, the water cooling system further comprises a water increasing tank, the water increasing tank is a sealed shell and is located below the boiling water tank, and the upper portion of the water increasing tank is communicated to the bottom of the boiling water tank, and the lower portion of the water increasing tank is communicated to a water inlet of the engine.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a boiling water tank is seal housing, forms forced convection circulation system after it is connected with the engine. The high-temperature cooling liquid with bubbles and discharged from the hot water outlet of the engine floats to the boiling water tank due to the reduction of density, and the pressure relief valve assembly is in a closed state at this time, so that no part is overflowed after the bubbles float out, and the bubbles are collected to the uppermost part of the boiling water tank to form high-pressure gas. Along with the continuous come-up of bubbles, the pressure of high-pressure gas formed at the uppermost part of the boiling water tank is increased, the high-pressure gas can drive cold water below the boiling water tank to flow to the capacity-increasing water tank along the water pipe in an accelerated manner and enter a water inlet of an engine, cooling liquid forms forced water circulation with higher flow speed in the engine, the temperature of the cylinder head of the engine is effectively reduced, and the effective protection on the cylinder head part, the crankshaft and the piston of the engine is increased.

The forced accelerated circulating water flow has the flow speed increased along with the increase of the rotating speed of the engine and the temperature of the cooling liquid, and the pressure of the high-pressure gas in the boiling water tank is gradually increased. But pressure increases to certain degree after, boiling water tank's relief valve subassembly enters the open mode, discharges high-pressure gas, has avoided the hot water bubble to spill over because the external pressure is too big can not follow hot water in fixed volume and have certain highly compressed circulation pipeline, takes the bubble to continue the circulation and get into engine water inlet and reduce the cooling effect. A pressure relief valve assembly of the boiling water tank is closed after air pressure is exhausted, and a new water circulation system is formed.

And the boiling water tank upper end of conventional water cooling system is provided with the opening, and in order to avoid hot water to spill over from the opening part, certain height is required to boiling water tank self, and in order to accelerate engine cooling speed, will improve the position of boiling water tank as far as possible and promote convection velocity. The utility model discloses a boiling water tank is airtight casing, the phenomenon that hot water spills over can not appear, and consequently its structure height compares the boiling water tank of conventional water cooling system and will hang down, and because of the utility model discloses a forced convection circulation system, the factor that influences its convection velocity mainly is boiling water tank upper portion high-pressure gas's pressure value, consequently the utility model discloses a boiling water tank's position need not to be higher than the engine, thereby makes the utility model discloses a boiling water tank is more convenient for lay in the automobile body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of the utility model at a in fig. 1;

FIG. 3 is a schematic structural diagram of a conventional boiling water cooling cycle system;

wherein: 1-an engine; 2-boiling the water tank; 3-a pressure relief valve assembly; 4-capacity increasing water tank; 301-an exhaust pipe; 302-a pressure relief cap; 303-pressure relief piston; 304-pressure relief nozzle.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1-3, the water cooling system for the three-wheeled motorcycle is connected with an engine 1 of the three-wheeled motorcycle, and comprises a boiling water tank 2, wherein the boiling water tank 2 is a sealed shell, the bottom of the boiling water tank 2 is communicated to a water inlet of the engine 1, and the upper part of the boiling water tank 2 is communicated to a water outlet of the engine 1.

In order to optimize the product structure, avoid water cooling system internal pressure too big, 2 tops of boiling water tank are provided with relief valve subassembly 3, relief valve subassembly 3 includes blast pipe 301, pressure release lid 302, pressure release piston 303 and pressure release mouth 304, blast pipe 301 is vertical to be set up in 2 tops of boiling water tank, the fixed intercommunication of blast pipe 301 lower extreme and boiling water tank 2, pressure release lid 302 is sealed to be dismantled and to set up in blast pipe 301 upper end, pressure release mouth 304 is the horizontal tubulose that sets up, pressure release mouth 304 one end communicates to blast pipe 301 middle part, the outside extension of the other end, pressure release piston 303 axial seal slides and sets up in blast pipe 301 and is located pressure release mouth 304 below, be provided with the spring between pressure release piston 303 and the pressure release lid 302, the spring both ends are supported respectively to pressure release piston 303 and pressure release lid 302.

In order to ensure that the pressure of high-pressure gas at the upper part of the boiling water tank 2 is in a certain range, the distance value between the communication part of the boiling water tank 2 and the water outlet of the engine 1 and the inner bottom surface of the boiling water tank 2 is alpha, the distance value between the top surface and the bottom surface in the boiling water tank 2 is beta, and the ratio of alpha to beta is 0.6-0.7.

The water cooling system further comprises a water-increasing tank 4, the water-increasing tank 4 is a sealed shell, the water-increasing tank 4 is positioned below the boiling water tank 2, and the upper part of the water-increasing tank 4 is communicated to the bottom of the boiling water tank 2, and the lower part of the water-increasing tank is communicated to a water inlet of the engine 1.

On one hand, the volume of the cooling liquid in the circulation system is increased by the capacity-increasing water tank 4, the heat capacity of the water circulation system is increased, on the other hand, the capacity-increasing water tank 4 is located at a back position, the whole cooling liquid is the cooling liquid of the boiling water tank 2, the whole temperature is lower than the temperature of the boiling water tank 2, the density of the cooling liquid is higher than that of the cooling liquid of the boiling water tank 2, and according to the bubble overflow principle, bubbles always flow from a high-pressure place to a low-pressure place in the liquid, so that the water density of the capacity-increasing water tank 4 is high, the pressure is high, the water density of the boiling water tank 2 is low, the pressure is low, the capacity-increasing water tank 4 can enable high-temperature bubbles to overflow from the boiling water tank 2 rather than enter the capacity-increasing water tank 4 along a pipeline to enter the engine 1 again to form ineffective circulation, and the high-temperature bubbles are effectively prevented from entering the water circulation system again.

The utility model discloses a boiling water tank 2 is seal housing, forms forced convection circulation system after it is connected with engine 1. The high-temperature cooling liquid with the bubbles and discharged from the hot water outlet of the engine 1 floats to the boiling water tank 2 due to the reduction of density, and at the moment, the pressure release valve assembly 3 is in a closed state, and the bubbles are not scattered in a overflowing manner after floating, and then are collected to the uppermost part of the boiling water tank 2 to form high-pressure gas. Along with the continuous come-up of bubble, the high-pressure gas pressure that forms at boiling water tank 2's the top is bigger and bigger, and this high-pressure gas can drive the cold water of boiling water tank 2 below to flow to increase-volume water tank 4 along the water pipe with higher speed and get into the water inlet of engine 1, and the coolant liquid forms the faster hydrologic cycle of velocity of flow in engine 1 compulsively, has effectively reduced the cylinder head temperature of engine 1, has increased the effective protection to engine 1 cylinder head part, bent axle, piston.

The flow rate of the forced accelerated circulating water flow is increased along with the increase of the rotating speed of the engine 1 and the increase of the temperature of the cooling liquid, and the pressure of the high-pressure gas in the boiling water tank 2 is also gradually increased. But after pressure increases to a certain degree, boiling water tank 2's relief valve subassembly 3 enters the open mode, discharges high-pressure gas, has avoided the hot water bubble to overflow because the external pressure is too big in fixed volume and the circulation pipeline that has certain highly compressed can't follow hot water, takes the bubble to continue the circulation and get into 1 water inlet of engine and reduce the cooling effect. The pressure relief valve assembly 3 of the boiling water tank 2 is closed after the air pressure is discharged, and a new water circulation system is formed.

Through the comparison of the 50 kilometers vehicle road tests of two boiling water cooling circulation systems, the vehicle provided with the utility model has the cylinder head temperature of the engine 1 within the range of 125-130 ℃ after 50 kilometers, and the cylinder head temperature of the engine 1 within the range of 145-150 ℃ in the general natural water circulation system vehicle in the market. The system effectively reduces the temperature of the cylinder head of the engine 1 by 15%, and better protects the engine 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims (3)

1. A water cooling system for a motor tricycle is connected with an engine (1) of the motor tricycle and is characterized by comprising a boiling water tank (2), wherein the boiling water tank (2) is a sealed shell, the bottom of the boiling water tank (2) is communicated to a water inlet of the engine (1), and the upper part of the boiling water tank (2) is communicated to a water outlet of the engine (1);

the top of the boiling water tank (2) is provided with a pressure relief valve component (3), the pressure relief valve component (3) comprises an exhaust pipe (301), a pressure relief cover (302), a pressure relief piston (303) and a pressure relief nozzle (304), the exhaust pipe (301) is vertically arranged at the top of the boiling water tank (2), the lower end of the exhaust pipe (301) is fixedly communicated with the boiling water tank (2), the pressure relief cover (302) is hermetically and detachably arranged at the upper end of the exhaust pipe (301), the pressure relief nozzle (304) is transversely arranged in a tubular shape, one end of the pressure relief nozzle (304) is communicated with the middle part of the exhaust pipe (301), the other end extends outwards, pressure release piston (303) axial seal slides and sets up in blast pipe (301) and be located pressure release mouth (304) below, is provided with the spring between pressure release piston (303) and pressure release lid (302), and the spring both ends are supported respectively to pressure release piston (303) and pressure release lid (302).

2. A water cooling system for a three-wheeled motorcycle according to claim 1, wherein the distance between the connection of the boiling water tank (2) and the water outlet of the engine (1) and the inner bottom surface of the boiling water tank (2) is α, the distance between the top surface and the bottom surface of the boiling water tank (2) is β, and the ratio of α to β is 0.6-0.7.

3. The water cooling system for the motor tricycle as claimed in claim 1, further comprising a water-increase tank (4), wherein the water-increase tank (4) is a sealed shell, the water-increase tank (4) is located below the boiling tank (2), and the upper part of the water-increase tank (4) is communicated to the bottom of the boiling tank (2) and the lower part of the water-increase tank is communicated to a water inlet of the engine (1).

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