CN2251081Y - Four way valve for regulating water temp - Google Patents

Abstract

The utility model refers to a four-way valve for regulating water temperature, which is composed of a valve body (1), a knob (2), a valve core (3) and a middle sleeve (4). Four joints communicated with tap water sources, a cold water inlet of a water heater, a hot water outlet of a water heater and a spray head are installed on the valve body (1), and the cold water inlet of a water heater and the hot water outlet of a water heater are arranged outside a bathroom. Two water windows E, F and a plurality of through holes L are arranged on the wall of the valve core (3) fixedly connected with the knob (2). Two water windows C, D and two water tanks A, B are arranged on the wall of the middle sleeve (4). Only by rotating the knob, bath water temperature can be automatically and continuously regulated in the bathroom. Adopting the principle of mixing cold water into hot water, the utility model has the advantages of convenient, safe and reliable use, sensitive temperature regulation, big amount of the hot water and comfortable bath.

Description

Four-way water temperature modulating valve

The utility model relates to cleaners and polishes, is a kind of controlling device that can regulate gas water-heater (hereinafter to be referred as water heater) supply hot water water temperature in the bathroom.

Water heater for the purpose of safety, must be installed on outside the bathroom, the bather wants to obtain the hot water of preference temperature when bathing, can only before entering the bathroom, regulate the air volume regulating valve on the water heater, enter the mode temperature adjustment of regulating with constant load by the cold water water yield that increases or reduce to enter water heater again behind the bathroom, when if the air volume regulating valve of water heater is not harmonized or extraneous variation in water pressure is big during bathing, when the bather only depends on the cold water flow of transferring in into water heater can't obtain the hot water of preference temperature, usually have to call out other people help to regulate water heater outside the bathroom air volume regulating valve, it is very inconvenient to use, when hydraulic pressure was not enough, water heater also may only flow out the too high hot water of a small amount of temperature and make the bather can't bathing.In order in the bathroom, to regulate water temperature voluntarily by the bather, the hot water that utility model patent " water temperature regulation device in the gas water-heater bathroom " (patent No. 93201440.2) employing control is flowed out to water heater mixes the mode of the cold water water yield and regulates water temperature, solved this problem, yet this apparatus structure more complicated, and need successively transfer three knobs to come temperature adjustment, use still some inconvenience.

At the problems referred to above, the purpose of this utility model is the supporting use of gas water-heater outside design a kind of and the bathroom, can be directly installed in the bathroom, only rotates a knob by the bather according to self needs and can regulate the valve of bath hot water temperature voluntarily continuously.

The utility model is mainly by valve body, knob, valve core and middle cover are formed, its technical characteristics is that valve body is that a hollow is simplified, on four joints are arranged, respectively with water source from the beginning, the water heater cold water inlet, water heater hot-water outlet and spraying head lead to, middle cover is fixed in the body cavity, have a horizontal tank on its outer wall,, the water windows that interlace of vertical tank and two height diverse location, the valve core bottom that connects firmly together with knob is the cup-shaped of a back-off, cup-shaped outer garden face and middle cover endoporus sliding fit, there are some through holes cup-shaped bead below on the cup-shaped wall, the through hole below has two water windows that the height diverse location interlaces, adopt scyewed joint between knob and valve body, valve core can be at the body cavity rotation and lifting when making the knob rotation, when knob screwed, the bead of valve core can be pressed on the circular bead surface of middle cover and be sealing state.

The utility model also comprises following technical characteristics: in valve body and the water source leads to from the beginning the pipe joint the inside and outside and spaced-apart water channel of two communications and liaison valve bodies is arranged.Seal ring is equipped with at the place in the cup-shaped bead of valve core.

Compare with existing various water temperature regulative modes, the utlity model has following characteristics:

1. can directly be installed in the bathroom, the bather need only rotate the continuous adjusting that a knob can be realized the bathing water temperature, and is safe and convenient to use.

2. adopt the mode temperature adjustment of mixing cold water in the hot water that water heater flows out, can make the water heater of adapted can bring into play the function of tonic chord that adds hot water to greatest extent, make the bather obtain the more temperature adjustment hot water of big water quantity, bathing is more comfortable.Even when hydraulic pressure deficiency, water heater only can be supplied with the too high hot water of the temperature that is unsuitable for bathing, this valve of adapted still can provide the bath hot water of preference temperature.

3. water temperature all is to change gradually from being as cold as heat when opening at every turn, and the too high hot water of temperature is not scalded the problem of human body in the time of can not occurring reopening behind the water of interim pass in the bathing.

4. adopt long trough water window to overlap gradually or throw off, allow the cold and hot mouth of a river that forms this become that are constant, that becomes, and this is constant, and the ratio that enters the hot and cold water water yield that the valve core inner chamber mixes is changed, water temperature changes mild, knob rotates same angle water temperature and changes little.

5. the hysteresis process is short during temperature adjustment, and temperature adjustment is sensitive reliable.

6. the cold water shunt structure has reduced the pressure loss that flows into the water heater cold water inlet to greatest extent, makes the water heater igniting easier.

Fig. 1 is that plan view of the present utility model is analysed and observe signal.(being the M-M revolved section of Fig. 2).

Fig. 2 is that the P-P of Fig. 1 analyses and observe signal.

Fig. 3 is that the outer garden face of valve core among Fig. 1 launches signal.

Fig. 4 is that the interior garden face of Fig. 1 middle cover launches signal.

Fig. 5 is that Q illustrates to view among Fig. 1.

Fig. 1-Fig. 5 is an embodiment's of the utility model a schematic representation, in this embodiment, when four joint I, II of valve body (1), III, IV respectively when water source, water heater cold water inlet, water heater hot-water outlet and spraying head are connected from the beginning, tap water all the time can be from the water channel H of joint I horizontal tank A and the joint II cold water inlet that flows into water heater on middle cover (4).Open water heater, the knob (2) of outwarding winding, because itself and valve body (1) are scyewed joint, the valve core (3) that connects firmly together with knob (2) rises on while rotating, the seal ring 5 at the bead shoulder place of valve core (3) will break away from the circular bead surface of middle cover (4) and make the two form the toroidal cavity that we are referred to as water annulus, simultaneously, the water window E of valve core (3) overlaps with water window C on the middle cover (4) gradually, form the cold water mouth of a river of strengthening gradually, the cold water that is come by the water channel G of joint I stream passes the inner chamber that middle cover and valve core enter valve core (3) by the cold water mouth of a river, through hole L on valve core (3) flows into water annulus, vertical tank B and joint IV on middle cover (4) flow to spraying head, and what flowed out this moment is the cold water that flow increases gradually.Increasing along with knob (2) angle of swing, the water window F of valve core (3) overlaps with the water window D of middle cover (4) gradually, form the hot water mouth of a river of strengthening gradually, the area of the water window E of valve core this moment (3) has contained the area of area far beyond the water window C of its little middle cover (4) fully, the aperture at the cold water mouth of a river (i.e. the area of two water window intersection) will remain unchanged during this period, the cold water water yield that flows into valve core (3) inner chamber in unit time will keep certain value, to increase the temperature adjustment hot water temperature who after valve core (3) inner chamber and cold water mix, forms the also via through holes L that constantly to rise and pass the hot water water yield that middle cover (4) and valve core (3) enter valve core (3) inner chamber in the unit time through the hot water mouth of a river of strengthening gradually, water annulus, vertically tank B flows to joint IV and enters spraying head.Continue rotary knob (2), water window E on the valve core (3) no longer can contain the water window C on the middle cover (4), the cold water mouth of a river aperture that both intersection form will reduce gradually, the cold water water yield that flows into valve core (3) inner chamber in unit time also will reduce gradually, this moment, water window D area was then all contained by big water window F far beyond it by area, the hot water mouth of a river aperture that both intersection form will remain unchanged in a period of time, the hot water water yield that flows into valve core (3) inner chamber in unit time will remain unchanged, and the temperature adjustment hot water temperature of flowing out from spraying head who makes the two mix back formation continues to increase.When knob (2) rotates to several angle, the aperture at the cold water mouth of a river will be O, and the aperture at the hot water mouth of a river also will constantly reduce this moment, be equivalent to turn down when water heater works independently the situation of the water yield, and water temperature will rise rapidly with the rotation of knob (2).

Counterrotating knob (2), water temperature then from high temperature to low temperature, becomes cold water from hot water, and when being sealing state on the circular bead surface of the middle cover (4) that the flange circular bead surface of valve core (3) presses, water annulus is closed, and valve cuts out.

Like this, (2) knobs of rotary knob only, just can realize cold water water outlet → cold water water yield strengthen gradually → cold water becomes the continuous change procedure that temperature adjustment hot water → temperature adjustment hot water temperature improves constantly.

Claims (3)

1. four-way water temperature modulating valve is mainly by valve body, knob, valve core and middle cover are formed, its technical characteristics is that valve body (1) is a hollow cylinder, on have respectively and water source from the beginning, the water heater cold water inlet, four joint I that water heater hot-water outlet and spraying head lead to, II, III, IV, middle cover (4) connects firmly in valve body (1) inner chamber, have horizontal tank A on its outer wall, vertical tank B and two water window C that the height diverse location interlaces, D, valve core (3) bottom that connects firmly together with knob (2) is the cup-shaped of a back-off, cup-shaped outer garden face and middle cover (4) endoporus sliding fit, there are some through hole L the bead below on the cup-shaped wall, two water window E that through hole below has that the height diverse location interlaces and F, adopt scyewed joint between knob (2) and valve body (1), valve core (3) can be at valve body (1) inner chamber rotation and lifting when making knob (2) rotation, when knob (2) when screwing, the bead of valve core (3) can be pressed on the circular bead surface of middle cover (4) and be sealing state.

2. four-way water temperature modulating valve according to claim 1 is characterized in that having two to lead to inside and outside and spaced-apart water channel G and the H of valve body (1) in valve body (1) and the water source interlinks from the beginning the joint I.

3. according to claim 1,2 described four-way water temperature modulating valve, it is characterized in that seal ring (5) is equipped with at the cup-shaped bead place of valve core (3).

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