CN209469837U - A kind of automatic switch spool - Google Patents

Abstract

The utility model discloses a kind of automatic switch spools, lack needs greatly according to reversed limbers water-flowing amount, automatic switch spool may be designed to 5 kinds of frame modes, form automatic spool series, 1 kind with auto-switch function is i.e.: tiny leakage formula is automatically switched spool, 4 kinds with auto-switch function and multichannel water supply function are i.e.: water flowing slot type automatic switch valve core, variable diameter step is automatically switched spool, loudspeaker open type is automatically switched spool, hollow type is automatically switched spool, have the function of to be automatically switched water, it is assemblied in after valve related with water heater or control device, valve or control device is set to have the function of being automatically switched water, after the mating installation of water heater, it can be implemented as water heater automatic switch to supply water.In addition the utility model has the function of that being automatically switched water and more water supplies water, and solves multichannel water requirements when the installation of thermostatic valve product, meets the needs of user had not only been automatically switched water but also constant temperature water.

Description

A kind of automatic switch spool

Technical field

The utility model belongs to valve, spool class technical field, and in particular to one kind can be applied to related with water heater The spool with auto-switch function on valve or control device, hereinafter referred to as: automatic switch spool.

Background technique

User (hereinafter referred to as: water heater), there is following two situation when installing the hot-water heating systems such as electric heater:

Situation one: user is convenient for the product repairing of water safety and future in family, and need to reserve on the wall is cold Waterway controlling valve door (common angle valve i.e. in the market) is installed at water lines water outlet and hot water line's water inlet, is made in water heater It needs to close valve water supply after or when water heater product repairs, is supplied water using valve is then opened when water heater.

Situation two: user has constant temperature water to need (constant temperature takes a shower, washes one's hands, washes one's face and rinses one's mouth) in daily life, needs on the wall Constant temperature penstock is installed in reserved hot water line water inlet, on the wall the control of reserved cold water pipeline water outlet installation water route Valve (common angle valve i.e. in the market) processed.

It if the spool of the valve of situation one has the function of automatic switch, i.e., is water heater when spool is opened for cold water, Stop being water heater when spool is closed for cold water, if the spool of the valve of situation two has the function of automatic switch and more simultaneously Be simultaneously water heater and constant temperature valve when road water supply function, i.e. spool are opened for cold water (constant temperature valve needed when working cold water with Hot water mixing, hot water are provided by water heater, and cold water is provided by spool), spool is simultaneously stopped when closing as water heater and thermostatic valve Door for cold water, then user use by it is very convenient with it is safe.

And common spool in the market do not have can be automatically switched can multichannel water supply function, cause in the market with hot water The related common valve of device also can be automatically switched but also multichannel water supply function, user during using water heater all It needs user manually to carry out switch control to valve, uses very inconvenient.

Utility model content

The purpose of this utility model is that being the related valve of water heater or control device, a kind of automatic switch valve is provided Core, comprising: there are positioning shaft hole in assembling shell, assembling shell inner cavity, and spring first covers in check lever lower end, then check lever is applied in In positioning shaft hole, positioning shaft hole surrounding has limbers, and check lever is followed by piston plate through positioning shaft hole, and piston plate passes through buckle Design and chock are auxiliarily fixed in the top of check lever, and closely mouth, lower mouth are fixed on by click-on design on the lower for check lever lower end There is cold water channel mouth in the lower end of assembling shell on lower mouth, and cold water inlet hole is in the lower end of assembling shell close to the position Xia Kou, piston The upper end of disk is that pressure transmits port, has size gap to be formed reversely between piston plate and pressure transmitting port inner cavity Upper passage Limbers, piston plate work in the bore passages between reversed limbers and limbers.

In some embodiments, assembling shell is equipped with the first O-ring and is sealed to assemble cavity wall contact surface with valve, Check lever lower end top position is sealed when being equipped with the second O-ring inwardly to close with lower mouth, and lower mouth is equipped with third O-ring To be sealed with valve assembly cavity wall contact surface.

In some embodiments, automatic switch spool is that tiny leakage formula is automatically switched spool, tiny leakage formula automatic switch valve Core corresponds to the first assembling shell, has microsize gap between the first assembling shell inner cavity and piston plate, a small amount of water is only allowed to let out Leakage is, it can be achieved that auto-switch function.

In some embodiments, automatic switch spool is water flowing slot type automatic switch valve core, water flowing slot type automatic switch valve Core corresponds to the second assembling shell, has the water flowing design of water flowing slot type on the second assembling shell close to reversed water flowing hole location, leads to Water design flow should meet multichannel water supply requirement, it can be achieved that automatic switch and multichannel water supply function.

In some embodiments, automatic switch spool is that variable diameter step is automatically switched spool, and variable diameter step is opened automatically It closes spool and corresponds to third assembling shell, close reversed water flowing hole location has the water flowing of variable diameter step to set on third assembling shell Meter, water flowing design flow should meet multichannel water supply requirement, it can be achieved that automatic switch and multichannel water supply function.

In some embodiments, automatic switch spool is that loudspeaker open type is automatically switched spool, and loudspeaker open type is opened automatically Corresponding 4th assembling shell of spool is closed, close reversed water flowing hole location has the water flowing of loudspeaker open type to set on the 4th assembling shell Meter, water flowing design flow should meet multichannel water supply requirement, it can be achieved that automatic switch and multichannel water supply function.

In some embodiments, automatic switch spool is that hollow type is automatically switched spool, and automatic switch spool is hollow type It is automatically switched corresponding 5th assembling shell of spool, there is the water flowing of hollow type on the 5th assembling shell close to reversed water flowing hole location Design, water flowing design flow should meet multichannel water supply requirement, it can be achieved that automatic switch and multichannel water supply function.

In some embodiments, the spool application of tiny leakage formula automatic switch is assemblied in valve related with water heater or control On device, make valve or control device have the function of being automatically switched water, valve or control device and the mating installation of water heater with Afterwards, it is embodied as water heater automatic switch to supply water, water heater refers to electric heater, gas heater, air energy water heater and plate Solar water heater water tank is any one in the hot-water heating system for close pressure-bearing type.

In some embodiments, water flowing slot type automatic switch valve core, variable diameter step are automatically switched spool, loudspeaker open type Any one of automatic switch spool, hollow type automatic switch spool are assemblied in valve related with water heater or control device On, so that valve or control device is had the function of the function of being automatically switched water and multichannel supplies water, valve or control device and hot water After the mating installation of device, it is embodied as the water supply of water heater automatic switch and multichannel supplies water.Water heater refers to electric heater, air energy thermal Hydrophone and flat plate solar water heater water tank are any one in the hot-water heating system for close pressure-bearing type.

The utility model lacks greatly needs according to reversed limbers water-flowing amount, and automatic switch spool may be designed to 5 kinds of structure sides Formula, forms automatic spool series, a kind with auto-switch function i.e.: tiny leakage formula is automatically switched spool, has and is automatically switched 4 kinds of function and multichannel water supply function are i.e.: water flowing slot type automatic switch valve core, variable diameter step automatic switch spool, loudspeaker are opened Mouth formula automatic switch spool, hollow type are automatically switched spool.The utility model tiny leakage formula automatic switch spool has to be opened automatically Water function is closed, is assemblied in after valve related with water heater or control device, makes valve or control device that there is automatic switch After the function of water, with the mating installation of water heater, it can be implemented as water heater automatic switch and supply water.In addition the utility model water flowing Slot type is automatically switched spool, variable diameter step automatic switch spool, loudspeaker open type automatic switch spool, hollow type automatic switch Any one of spool has the function of that being automatically switched water and more water supplies water, and multichannel supplies water and needs when solving the installation of thermostatic valve product It asks, meets the needs of user had not only been automatically switched water but also constant temperature water.

Detailed description of the invention

Figure 1A to 1C is the structural schematic diagram and its explosive view of the utility model tiny leakage formula automatic switch valve 10A,

Fig. 2A to 2C is the structural schematic diagram and its explosive view of the utility model water flowing slot type automatic switch valve 10B,

Fig. 3 A to 3C is the structural schematic diagram and its explosive view of the utility model variable diameter step automatic switch valve 10C,

Fig. 4 A to 4C is the structural schematic diagram and its explosive view of the utility model horn mouth formula automatic switch valve 10D,

Fig. 5 A to 5C is the structural schematic diagram and its explosive view of the utility model hollow type automatic switch valve 10E,

Fig. 6 is the operation principle schematic diagram of the utility model embodiment one,

Fig. 7 is the operation principle schematic diagram of the utility model embodiment two,

Fig. 8 is the operation principle schematic diagram of the utility model embodiment three,

Fig. 9 is the operation principle schematic diagram of the utility model embodiment four,

Fig. 1 to Fig. 5 mark explanation:

Pressure transmit port 9, lower mouth 11, check lever 12, spring 13, the first assembling shell 14A, the second assembling shell 14B, Third assembling shell 14C, the 4th assembling shell 14D, the 5th assembling shell 14E, piston plate 15, chock 16, cold water channel mouth 19, Cold water inlet hole 25, positioning shaft hole 26, limbers 27, the first O-ring 28, the second O-ring 29, third O-ring 30, reversed water flowing Hole 31.

Fig. 6 mark explanation: hot-water valve 1, Cold water tap 2, hot water inlet 3, hot water outlet 4, the transmitting of hot-water valve pressure Port 5, check valve 6, cooling water outlet 7, cooling water inlet 8, Cold water tap pressure transmit port 9, are automatically switched spool 10A, non-return Bar 12, spring 13, cold water channel mouth 19.

Fig. 7 mark explanation: hot water union tee part 1, cold water union tee part 2, hot water inlet 3, hot water outlet 4, hot water Union tee part pressure transmits port 5, check valve 6, cooling water outlet 7, cooling water inlet 8, cold water union tee part pressure transmitting end Mouth 9, automatic switch spool 10A, check lever 12, spring 13, cold water channel mouth 19, hexagonal (hexagon)nut 20.

Fig. 8 mark explanation: hot-water valve 1, Cold water tap 2, hot water inlet 3, hot water outlet 4, the transmitting of hot-water valve pressure Port 5, check valve 6, cooling water outlet 7, cooling water inlet 8, Cold water tap pressure transmit port 9, are automatically switched spool 10A, non-return Bar 12, spring 13, cold water channel mouth 19, quick-opened valve core 21, open knob 22A fastly.

Fig. 9 mark explanation: constant-temperature effluent valve 1, Cold water tap 2, hot water inlet 3, constant-temperature hot water export 4, constant-temperature effluent Valve pressure transmits port 5, check valve 6, cooling water outlet 7, cooling water inlet 8, Cold water tap pressure transmitting port 9, automatic switch Spool 10B, check lever 12, spring 13, cold water channel mouth 19, thermostatic valve core sub-assembly 21.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to In the range of the utility model protection.

It will be understood by those skilled in the art that in the exposure of the utility model, term " longitudinal direction ", " transverse direction ", "upper", The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore on Stating term should not be understood as limiting the present invention.

It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no The limitation for the quantity that can be interpreted as pair.

The end P1, the end P2 and the end P3 is marked to facilitate description in attached drawing 6, Fig. 7, Fig. 8, Fig. 9.

Embodiment one: tiny leakage formula automatic switch valve 10A be assemblied in the cross automatic opening and closing door valve of water heater with Electric heater, gas heater, air energy water heater, the water tanks such as flat plate solar water heater are the hot water heating for closing pressure-bearing type Automatic switch water function is realized in any one mating installation in device.

As shown in fig. 6, a kind of cross automatic switch valve of water heater described in the present embodiment, including hot-water valve 1, Cold water tap 2.The hot-water valve 1, Cold water tap 2 be it is cross, two pipelines communicated of cross finger are mutually perpendicular to Center, 1 left end of hot-water valve are hot water inlet 3, and lower end is hot water outlet 4, and right end is that hot-water valve pressure transmits port 5,3 port of hot water inlet inside is equipped with check valve 6.2 right end of Cold water tap is cooling water outlet 7, and lower end is cooling water inlet 8, Left end is that Cold water tap pressure transmits port 9, and Cold water tap pressure, which is transmitted, is equipped with tiny leakage formula automatic switch valve inside port 9 10A。

As shown in Figure 1, a kind of tiny leakage formula automatic switch valve 10A described in the present embodiment, comprising: the first assembly shell There are positioning shaft hole 26 in body 14A, the first inner cavity assembling shell 14A, and spring 13 is first covered in 12 lower end of check lever, then by check lever 12 Upper end is applied in positioning shaft hole 26, and 26 surrounding of positioning shaft hole has limbers 27, and check lever 12 is followed by through positioning shaft hole 26 Piston plate 15, piston plate 15 are auxiliarily fixed on check lever 12 by click-on design and chock 16, and 12 lower end of check lever is closely on the lower Mouth 11, lower mouth 11 is fixed on the first lower end assembling shell 14A by click-on design, has cold water channel mouth 19, cold water on lower mouth 11 In the first lower end assembling shell 14A close to lower 11 position of mouth, the upper end of piston plate 15 is that pressure transmitting port 9 exists for inlet opening 25 Namely the Cold water tap pressure of the cross automatic switch valve of water heater transmits port 9, piston plate 15 and pressure in present case Transmitting 9 inner cavity front passage of port has size gap to form reversed limbers 31, and piston plate 15 is in reversed limbers 31 and water flowing It works in bore passages between hole 27.

It is noted that tiny leakage formula automatic switch valve 10A tap water pressure be 3 to 6 kilograms in the case where, often The vent flow of minute is 500ml to 1000ml.

As an improvement specific embodiment, the first assembling shell 14A is equipped with the cold of the first O-ring 28 and present case The assembly cavity wall contact surface of penstock 2 is sealed, and 12 lower end top position of check lever is equipped with the second O-ring 29 so as to check lever 12 are sealed when inwardly closing with lower mouth 11, and lower mouth 11 is equipped with the assembly of the 3rd O type circle 30 and the Cold water tap 2 of present case Cavity wall contact surface is sealed, and prevents leak.

Wherein, the cooling water outlet 7 of the hot water inlet 3 of hot-water valve 1 and Cold water tap 2 passes through pipeline and water heater respectively The hot water outlet of water tank is connected with cooling water inlet.

Water heater is electric heater, gas heater, air energy water heater, the water such as flat plate solar water heater in present case Case is any one in the hot-water heating system for close pressure-bearing type.

The hot water valve pressure transmitting port 5 of hot-water valve 1 and the cold valves pressure of Cold water tap 2 transmit port in present case 9 are communicated by connecting line.

The effect of check valve 6 in present case: in the case where hot water terminal is closed, inside water pressure is avoided reversely to leak.By In the effect of check valve 6, in the case where hot water terminal is closed, ensure that 4 hydraulic pressure of hot water outlet, the end P3 hydraulic pressure, the end P2 hydraulic pressure, The end P1 hydraulic pressure, will not (P1, P2, P3 be shown in Fig. 6 by the reversed pressure release of hot water inlet 3 in the case where water-heater water tank leak Mark), guarantee that outside both ends tap water pressure reaches balance in check lever 12, under the effect of 13 buffer brake of spring, check lever It is moved in 12, closes cold water channel mouth 19, stop to water heater for cold water.

As shown in fig. 6, the hot water outlet 4 of hot-water valve is mounted on hot water line's entrance that user family reserves within the walls, lead to Overheat water lines and user's hot water using terminal such as: tap, water mixing valve, the hot water using terminal of shower faucet communicate.It is cold The cooling water inlet 8 of penstock is mounted at the cold water tube outlet that user family reserves within the walls, is communicated with cold water supplying pipe road.

When user opens hot water using terminal, hot water is flowed out from the hot water outlet 4 of hot-water valve, 4 hydraulic pressure of hot water outlet Pressure release, the identical also pressure release simultaneously of the end P3, P2 hydraulic pressure, the end P1 hydraulic pressure is identical as running water pressure, and the end P1 hydraulic pressure pressure is greater than the end P2 water The sum of pressure pressure and 13 buffer brake of spring, check lever 12 is moved out to the side P2, open cold water channel mouth 19, cold water through cold water into Mouth 8, cold water inlet hole 25, check lever 12, cold water channel mouth 19, to water heater for cold water, water heater working adds cooling water outlet 7 Heat, cold water heating become hot water, and hot water finally reaches user's hot water and use eventually through hot water inlet 3, check valve 6, hot water outlet 4 End.

When user closes hot water using terminal, 4 water of hot water outlet stops flowing, final 4 hydraulic pressure of hot water outlet, the end P3 water Pressure, the end P2 hydraulic pressure, the end P1 hydraulic pressure are all equal with tap water hydraulic.The hydraulic pressure pressure at outside both ends reaches balance in check lever 12, Under the effect of 13 buffer brake of spring, check lever 12 moves right, and closes cold water channel mouth 19, stops to water heater for cold water.

It is a kind of tiny leakage formula automatic switch valve 10A described in the present embodiment, there are minimum ruler in piston plate 15 and inner cavity Very little gap forms reversed limbers 31, and reversed cold water tiny leakage may be implemented, and the cold water leakage rate of reversed limbers 31 will guarantee The normal leaving water temperature of user's hot water is not influenced to use.By reversed cold water tiny leakage, even if having already appeared leak feelings in water heater Under condition, as long as user closes hot water using terminal, it can also make 4 hydraulic pressure of hot water outlet, the end P3 hydraulic pressure, the end P2 hydraulic pressure, the end P1 hydraulic pressure It is final equal by the design of reversed cold water tiny leakage, guarantee that outside both ends hydraulic pressure pressure reaches balance in check lever 12, in spring Under the effect of 13 buffer brakes, check lever 12 is inwardly moved, and is closed cold water intake tunnel mouth 19, is stopped to water heater for cold water.

It is exactly above that the utility model tiny leakage formula automatic switch valve 10A is assemblied in the cross automatic switch valve of water heater The principle and process of water heater automatic switch water are completed in door.

Embodiment two: tiny leakage formula automatic switch valve 10A is assemblied in water heater loose joint recloser and electric heating Hydrophone, gas heater, air energy water heater, the water tanks such as flat plate solar water heater are the hot-water heating system for closing pressure-bearing type In any one mating installation, realize automatic switch water function.

It is as shown in Figure 7: the water heater loose-joint recloser and the water heater ten in embodiment one of this example case Font automatic switch valve compared to the only cross automatic switch valve of water heater be mounted on user family's wall reserved hot water into On the mouth of a river and cold water water outlet, and water heater loose-joint recloser is then to be mounted directly water heater by hexagonal (hexagon)nut 20 Hot water outlet and water heater cold water water inlet on, tiny leakage formula automatic switch valve 10A realizes automatic switch water function Principle is complete identical as embodiment one, and reference implementation example one executes.

Embodiment three: tiny leakage formula automatic switch valve 10A be assemblied in the fast open form automatic opening and closing door valve of water heater with Electric heater, gas heater, air energy water heater, the water tanks such as flat plate solar water heater are the hot water heating for closing pressure-bearing type Automatic switch water function is realized in any one mating installation in device.

It is as shown in Figure 8: the water heater in the fast open form automatic opening and closing door valve of the water heater of this example case and embodiment one Cross automatic switch valve is compared only increases a quick-opened valve core, user inside the hot water outlet 4 of hot-water valve 1 Knob 22A can be opened fastly with handmade rotary and forcibly closes valve water supply, and tiny leakage formula automatic switch valve 10A realizes automatic switch function The principle of energy is complete identical as embodiment one, and reference implementation example one executes.

Example IV: water flowing slot type automatic switch valve 10B is assemblied in constant temperature of water heater water outlet and automatic opening and closing door valve In with electric heater, air energy water heater, the water tanks such as flat plate solar water heater be close pressure-bearing type hot-water heating system in Any one mating installation, realize automatic switch water function.

As shown in figure 9, a kind of water outlet of constant temperature of water heater described in the present embodiment and automatic switch valve, including constant temperature go out Penstock 1, Cold water tap 2.The constant-temperature effluent valve 1, Cold water tap 2 are cross, two pipes communicated of cross finger Road is mutually perpendicular to center, and 1 left end of constant-temperature effluent valve is hot water inlet 3, and lower end is constant-temperature hot water outlet 4, and right end is Constant-temperature effluent valve pressure transmits port 5, is equipped with check valve 6 inside 3 port of hot water inlet, there is perseverance in 1 inner cavity of constant-temperature effluent valve Warm spool sub-assembly 21 realizes that automatic constant-temperature is discharged regulatory function, meets user's constant temperature demand of domestic water.The Cold water tap 2 Right end is cooling water outlet 7, and lower end is cooling water inlet 8, and left end is that Cold water tap pressure transmits port 9, the transmitting of Cold water tap pressure Water flowing slot type automatic switch valve 10B is equipped with inside port 9.

As shown in Fig. 2, a kind of water flowing slot type automatic switch valve 10B described in the present embodiment, comprising: the second assembly shell There are positioning shaft hole 26 in body 14B, the second inner cavity assembling shell 14B, and spring 13 is first covered in 12 lower end of check lever, then by check lever 12 On be applied in positioning shaft hole 26,26 surrounding of positioning shaft hole has a limbers 27, and check lever 12 is followed by work through positioning shaft hole 26 Disk 15 is filled in, piston plate 15 is auxiliarily fixed on check lever 12 by click-on design and chock 16,12 lower end of check lever closely mouth on the lower 11, lower mouth 11 is fixed on the lower end of the second assembling shell 14B by click-on design, has cold water channel mouth 19, cold water on lower mouth 11 In the lower end of the second assembling shell 14B close to lower 11 position of mouth, the upper end of piston plate 15 is that pressure transmits port 9 for inlet opening 25 The Cold water tap pressure of namely constant temperature of water heater water outlet automatic switch valve transmits port 9, piston plate (15) in present case There is size gap to form reversed limbers (31) between pressure transmitting port (9) inner cavity Upper passage, piston plate 15 is reversed It works in bore passages between limbers 31 and limbers 27.

As an improvement specific embodiment, the second assembling shell 14B is equipped with the cold of the first O-ring 28 and present case The assembly cavity wall contact surface of penstock 2 is sealed, and 12 lower end top position of check lever is equipped with the second O-ring 29 inwardly to close It is sealed when closing with lower mouth 11, lower mouth 11 is equipped with third O-ring 30 and contacts with the assembly cavity wall of the Cold water tap 2 of present case Face is sealed, and prevents leak.

In present case the cooling water outlet 7 of the hot water inlet 3 of constant-temperature effluent valve 1 and Cold water tap 2 respectively by pipeline with The hot water outlet of water heater is connected with cooling water inlet.

Water heater is electric heater, air energy water heater in present case, and the water tanks such as flat plate solar water heater are that closing is held Any one in the hot-water heating system of pressure type.

The hot water valve pressure transmitting port 5 of constant-temperature effluent valve 1 and the cold valves pressure of Cold water tap 2 are transmitted in present case Port 9 is communicated by connecting line.

The effect of check valve 6 in present case: in the case where hot water terminal is closed, inside water pressure is avoided reversely to leak.By In the effect of check valve 6, in the case where hot water terminal is closed, hydraulic pressure, the end P3 hydraulic pressure, P2 at constant-temperature hot water outlet 4 ensure that Hold hydraulic pressure, the end P1 hydraulic pressure in the case where water-heater water tank leak, it will not (P1, P2, P3 be shown in by the reversed pressure release of hot water inlet Identified in Fig. 9), guarantee that outside both ends tap water pressure reaches balance in check lever 12, under the effect of 13 buffer brake of spring, only It returns in bar 12 and moves, close cold water channel mouth 19, stop to water heater for cold water.

As shown in figure 9, constant-temperature hot water outlet 4 is mounted on hot water line's entrance that user family reserves within the walls, pass through hot water Pipeline and user's hot water using terminal be such as: tap, water mixing valve, the hot water using terminal of shower faucet communicate.Cold water tap Cooling water inlet 8 be mounted on user house within the walls at reserved cold water tube outlet, communicated with cold water supplying pipe road.

The constant-temperature effluent principle of work and power is identical as constant temperature valve working principle in the market in present case, and constant-temperature effluent function is not Stress herein, need to stress below be the utility model water flowing slot type automatic switch valve core 10B automatic switch water and The principle of work and power that multichannel supplies water.When user opens hot water using terminal, hydraulic pressure pressure release at constant-temperature hot water outlet 4, the end P3, P2 water Identical also pressure release simultaneously is pressed, the end P1 hydraulic pressure is identical as running water pressure, and the end P1 hydraulic pressure pressure is greater than the end P2 hydraulic pressure pressure and spring 13 The sum of buffer brake, check lever 12 are moved out to the side P2, spool open, open cold water channel mouth 19, cold water through cooling water inlet 8, The water supply of 2 tunnels is formed after entering the inner cavity of the second assembling shell 14B after cold water inlet 25, cold water is through check lever 12, cold water all the way Passway 19, cooling water outlet 7 are to water heater for cold water, and water heater working heating, cold water, which heats, becomes high-temperature-hot-water, high-temperature-hot-water Enter the inner cavity of constant-temperature effluent valve 1 after the hot water inlet 3 of constant-temperature effluent valve 1, check valve 6, another way cold water is through logical Constant-temperature effluent valve 1 is reached after bore passages, reversed limbers 31 between water hole 27, limbers 27 and reversed limbers 31 Inner cavity, 2 roads, which are supplied water, becomes constant-temperature hot water from constant-temperature hot water outlet 4 eventually by after the hot and cold water mixing of thermostatic valve core sub-assembly 21 Outflow finally reaches user domestic hot-water using terminal.

When user closes hot water using terminal, constant-temperature hot water exports 4 water and stops flowing, and final constant-temperature hot water exports at 4 Hydraulic pressure, the end P3 hydraulic pressure, the end P2 hydraulic pressure, the end P1 hydraulic pressure are all equal with tap water hydraulic.The hydraulic pressure pressure at outside both ends in check lever 12 Power reaches balance, and under the effect of 13 buffer brake of spring, check lever 12 moves right, and closes cold water channel mouth 19 and leads to reversed The inner cavity front passage of 31 water flowing of water hole is simultaneously stopped to water heater and the water supply of constant-temperature effluent valve 1.

It is a kind of water flowing slot type automatic switch valve 10B described in the present embodiment, piston plate 15 and inner cavity have between size Gap forms reversed limbers 31, and reversed cold water may be implemented and supply water, and the water flowing design flow of reversed limbers 31 will guarantee to meet permanent The normal cold water demand of warm flowing water Valve 1.Special instruction when, piston plate 15 reversed limbers 31 and limbers 27 it Between inner cavity work, under the inside closed state of check lever 12, still there is minimum ruler between piston plate 15 and working cavities conduit wall Very little gap forms reversed cold water tiny leakage, by the design of reversed cold water tiny leakage, has both met the normal of constant-temperature effluent valve 1 Cold water demand, and, as long as user closes hot water using terminal, can also can in the case where water-heater water tank has already appeared leak Hydraulic pressure at constant-temperature hot water outlet 4, the end P3 hydraulic pressure, the end P2 hydraulic pressure, the end P1 hydraulic pressure is set to pass through reversed cold water tiny leakage design most last phase Deng guaranteeing that outside both ends hydraulic pressure pressure reaches balance in check lever 12, under the effect of 13 buffer brake of spring, check lever 12 is inwardly It moves, closes cold water intake tunnel mouth 19, stop to water heater for cold water.

It is above exactly that the utility model water flowing slot type automatic switch valve 10B is assemblied in constant temperature of water heater water outlet and opens automatically The principle and process of automatic switch water and multichannel water supply are completed in closing valve.

As shown in Figures 3 to 5, especially to illustrate that the utility model variable diameter step automatic switch valve 10C, loudspeaker Mouth formula automatic switch valve 10D, hollow type automatic switch valve 10E have the function of that being automatically switched water and multichannel supplies water, Realization principle is identical as water flowing slot type automatic switch valve 10B.

It is noted that the utility model water flowing slot type automatic switch valve 10B, variable diameter step automatic switch valve The feelings that 10C, horn mouth formula automatic switch valve 10D and hollow type automatic switch valve 10E are 3 to 6 kilograms in tap water pressure Under condition, water-flowing amount per minute is 7L to 16L.

The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model Other various forms of products, however, make any variation in its shape or structure, it is all that there is same as the present application or phase Approximate technical solution, all falls within the protection scope of the utility model.

Claims (9)

1. a kind of automatic switch spool, it is characterised in that:

It include: assembling shell (14), assembling shell (14) inner cavity has positioning shaft hole (26), and spring (13) is first covered in check lever (12) Lower end, then check lever (12) is applied in positioning shaft hole (26), positioning shaft hole (26) surrounding has limbers (27), check lever (12) it is followed by piston plate (15) through positioning shaft hole (26), piston plate (15) is auxiliarily fixed by click-on design and chock (16) In the top of check lever (12), closely mouth (11), lower mouth (11) are fixed on dress by click-on design on the lower for check lever (12) lower end Lower end with shell (14) has cold water channel mouth (19) on lower mouth (11), and cold water inlet hole (25) is under assembling shell (14) It holds close to lower mouth (11) position, the upper end of piston plate (15) is that pressure transmits port (9), and the piston plate (15) and pressure are transmitted There is size gap to be formed reversed limbers (31) between the Upper passage of port (9) inner cavity, piston plate (15) is in reversed limbers (31) it works in the bore passages between limbers (27).

2. automatic switch spool according to claim 1, which is characterized in that it is O-shaped that the assembling shell (14) is equipped with first For circle (28) to be sealed with valve assembly cavity wall contact surface, it is O-shaped that check lever (12) the lower end top position is equipped with second Enclose (29) inwardly to close when be sealed with lower mouth (11), the lower mouth (11) equipped with third O-ring (30) so as to valve Door assembly cavity wall contact surface is sealed.

3. automatic switch spool according to claim 1, which is characterized in that the automatic switch spool be tiny leakage formula from Dynamic switch valve core (10A), tiny leakage formula are automatically switched spool (10A) and correspond to the first assembling shell (14A), the first assembling shell There is microsize gap between the inner cavity (14A) and piston plate (15), only allows a small amount of water leakage, it can be achieved that auto-switch function.

4. automatic switch spool according to claim 1, which is characterized in that the automatic switch spool be water flowing slot type from Dynamic switch valve core (10B), water flowing slot type automatic switch valve core (10B) is corresponding second assembling shell (14B), the second assembling shell There is the water flowing of water flowing slot type to design on (14B) at reversed limbers (31) position, water flowing design flow should meet multichannel water supply Requirement is, it can be achieved that automatic switch and multichannel water supply function.

5. automatic switch spool according to claim 1, which is characterized in that the automatic switch spool is variable diameter step It is automatically switched spool (10C), variable diameter step is automatically switched spool (10C) and corresponds to third assembling shell (14C), and third assembles shell There is the water flowing of variable diameter step to design on body (14C) at reversed limbers (31) position, water flowing design flow should meet multichannel Water supply requirement is, it can be achieved that automatic switch and multichannel water supply function.

6. automatic switch spool according to claim 1, which is characterized in that the automatic switch spool is loudspeaker open type It is automatically switched spool (10D), loudspeaker open type is automatically switched spool (10D) corresponding 4th assembling shell (14D), the 4th assembly shell There is the water flowing of loudspeaker open type to design on body (14D) at reversed limbers (31) position, water flowing design flow should meet multichannel Water supply requirement is, it can be achieved that automatic switch and multichannel water supply function.

7. automatic switch spool according to claim 1, which is characterized in that the automatic switch spool is that hollow type is automatic Switch valve core (10E), hollow type are automatically switched spool (10E) corresponding 5th assembling shell (14E), the 5th assembling shell (14E) The upper water flowing for having hollow type at reversed limbers (31) position designs, and water flowing design flow, which should meet multichannel water supply use, to be wanted It asks, it can be achieved that being automatically switched and multichannel water supply function.

8. automatic switch spool according to claim 3, which is characterized in that automatic switch spool application is assemblied in and hot water On the related valve of device or control device, valve or control device is made to have the function of being automatically switched water, valve or control device After the mating installation of water heater, it is embodied as water heater automatic switch and supplies water, the water heater refers to electric heater, gas and hot water Device, air energy water heater and flat plate solar water heater water tank are any one in the hot-water heating system for close pressure-bearing type.

9. according to any automatic switch spool of claim 4 to 7, which is characterized in that automatic switch spool application assembly On valve related with water heater or control device, valve or control device is made to have the function of that being automatically switched water and multichannel supplies After the function of water, valve or control device and the mating installation of water heater, it is embodied as the water supply of water heater automatic switch and multichannel supplies Water, the water heater refer to that electric heater, air energy water heater and flat plate solar water heater water tank are the heat for closing pressure-bearing type Any one in hot-water heating system.