CN212804383U

CN212804383U - Detachable and washable constant-temperature water mixing valve

Info

Publication number: CN212804383U
Application number: CN202021299344.4U
Authority: CN
Inventors: 张伟
Original assignee: Zhang Fengsong
Current assignee: Zhang Fengsong
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-26
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a detachable constant temperature water mixing valve, which comprises a switch valve chamber, wherein one side of the switch valve chamber is communicated with a cold water inlet pipeline, the other side of the switch valve chamber is communicated with a hot water inlet pipeline, a constant temperature outer valve body is integrally connected above the switch valve chamber, an installation cavity is arranged in the constant temperature outer valve body, one side of the constant temperature outer valve body is provided with an installation port communicated with the installation cavity, a constant temperature valve core component is arranged in the constant temperature outer valve body, an installation component used for installing the constant temperature valve core component is arranged outside the constant temperature valve core component, the installation component is hermetically connected with the installation port, the utility model discloses a rational design, reasonable structure, easy installation and disassembly of the constant temperature valve core and the installation component, convenient cleaning of scale in the constant temperature valve core and the installation component, output of mixed water, cold water and hot water, and multifunctional water, convenient to use to overall structure is simple, and convenient the manufacturing can effective reduce cost, and whole water course is succinct, can prevent to lead to the condition that the outlet temperature difference is big because of the indiscriminate resistance that forms of water course.

Description

Detachable and washable constant-temperature water mixing valve

Technical Field

The utility model relates to a water valve is mixed to constant temperature, specific theory relates to a reasonable in design, simple structure, the removable constant temperature that washes of incrustation scale in the convenient clearance valve body mixes water valve belongs to bathroom accessories technical field.

Background

The water mixing valve is widely applied to shower equipment as a device for mixing hot water with higher temperature and cold water with lower temperature according to a certain proportion, when water reaches a certain temperature, calcium and magnesium ions in the water are combined with acid radicals to generate calcium carbonate, magnesium carbonate, calcium sulfate and the like to precipitate, so that scale is formed in the water mixing valve, the scale is gathered in the valve body to cause unsmooth water path, and the traditional water mixing valve has a complex structure and is not easy to disassemble and difficult to clean the scale in the valve body. In addition, current muddy water valve function singleness can only export mixed water, can not export hot water or cold water alone, and it is inconvenient to use to the inside water course of current muddy water valve body is complicated, and the resistance is great, and the mould structure is complicated, needs carry out secondary operation when producing, and the secondary is cleared up, brings unnecessary trouble, and manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a reasonable in design, simple structure, the removable constant temperature that washes of incrustation scale in the convenient clearance valve body mixes water valve.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a can unpick and wash constant temperature water mixing valve, includes the switch valve room, and wherein one side intercommunication of switch valve room has cold water inlet pipe, and its opposite side intercommunication has hot water inlet pipe, and switch valve room top an organic whole is connected with the outer valve body of constant temperature, is provided with the installation cavity in the outer valve body of constant temperature, and one side of the outer valve body of constant temperature is provided with the installing port that is linked together with the installation cavity, be provided with constant temperature case subassembly in the outer valve body of constant temperature, the outside of constant temperature case subassembly is provided with the installation component that is used for installing constant temperature case subassembly.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the integral structure of the installation cavity is of a two-section mutually communicated structure and comprises a first installation cavity and a second installation cavity, and an internal thread is arranged on the inner wall of the first installation cavity and close to the installation opening.

Further optimization:

the mounting assembly comprises a constant-temperature inner valve body, the integral structure of the constant-temperature inner valve body is of a three-section integrated structure and comprises a fixed section, an intermediate section and a mounting section, external threads matched with the internal threads are arranged on the fixed section, a water mixing cavity is formed in the intermediate section, a valve core mounting cavity used for mounting the constant-temperature valve core assembly is arranged in the mounting section, and the valve core mounting cavity is communicated with the water mixing cavity.

Further optimization:

a plurality of water mixing cavity shunting holes are formed in the middle section, and the water mixing cavity shunting holes are sequentially arranged at intervals along the circumferential direction of the middle section.

Further optimization:

all be provided with the flow distribution plate between two adjacent muddy water chamber diffluence orifices on the interlude, the flow distribution plate sets up with the interlude is integrative.

Further optimization:

the installation section is provided with two annular sunken grooves of intaking, and the annular sunken groove of intaking that is close to the interlude has laid a plurality of case hot water inlets at interval of circumference, and another annular sunken groove of intaking has laid a plurality of case cold water inlets at interval of circumference.

Further optimization:

the side wall of the constant temperature outer valve body is integrally provided with a hot water inflow hole and a cold water inflow hole which are communicated with the switch valve chamber.

Further optimization:

the outer surface of the constant-temperature outer valve body is integrally provided with a constant-temperature water outlet pipe, and the constant-temperature water outlet pipe is communicated with the first mounting cavity through a water outlet communication hole.

Further optimization:

install constant temperature case subassembly in the case installation cavity, the integrative casting of one end that first installation cavity was kept away from to the outer valve body of constant temperature is provided with the regulation seat, adjusts the inside regulating part mounting hole that is provided with of seat, is provided with adjusting part in the regulating part mounting hole.

Further optimization:

and a lower water outlet assembly capable of independently outputting cold water, hot water or mixed water is arranged below the switch valve chamber.

The utility model discloses a rationalization design, rational in infrastructure, can relax install the dismantlement to thermostatic cartridge and installation component, conveniently clear up the incrustation scale in thermostatic cartridge and the installation component, can realize output mixed water, cold water, hot water, have multi-functional water function, convenient to use to overall structure is simple, convenient the manufacturing, can effective reduce cost, and whole water course is succinct, can prevent to lead to the condition that the water difference in temperature is big because of the indiscriminate formation resistance of water course.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an automatic water mixing device in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a constant temperature outer valve body in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a constant temperature inner valve body in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of the first ceramic valve plate in embodiment 1 of the present invention;

fig. 6 is a schematic structural view of a second ceramic valve plate in embodiment 1 of the present invention;

fig. 7 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 8 is a schematic structural view of a third ceramic valve plate in embodiment 2 of the present invention;

fig. 9 is a schematic structural view of a fourth ceramic valve plate in embodiment 2 of the present invention;

fig. 10 is a schematic structural view of a constant temperature inner valve body in embodiment 4 of the present invention;

fig. 11 is a side view of fig. 10 according to the present invention.

In the figure: 1-a switch valve chamber; 2-cold water input pipe; 21-cold water communicating pipe; 3-hot water input pipe; 31-hot water communicating pipe; 6-valve seat; 7-cold water inlet; 71-cold water guide pipe; 8-hot water inlet; 81-hot water guide pipe; 9-cold water outlet; 10-hot water outlet; 11-lower outlet valve chamber; 12-a switch valve seat; 13-hot water hole; 131-a hot water inlet pipe; 14-cold water hole; 141-cold water inlet pipe; 15-water outlet of mixed water; 25-a positioning plate; 27-a first ceramic valve plate; 271-a first via; 28-a second ceramic valve plate; 281-first arc type groove; 30-water outlet pipe; 32-a third ceramic valve plate; 321-a first via hole; 322-second communication hole; 323-third communicating hole; 33-a fourth ceramic valve plate; 331-a communication groove; 41-constant temperature outer valve body; 42-constant temperature inner valve body; 43-a thermostatic cartridge assembly; 44-adjusting the ejector rod; 45-an adjustment shaft; 46-an adjustment spring; 47-constant temperature water outlet pipe; 48-mounting a cavity; 481 — a first mounting cavity; 482-a second mounting cavity; 49-an adjusting seat; 50-water outlet communicating holes; 51-a mounting port; 52-adjuster mount holes; 54-hot water inflow hole; 55-cold water inflow hole; 56-a fixed segment; 57-middle section; 58-mounting section; 59-a water mixing cavity shunting hole; 60-valve core hot water inlet; 61-valve core cold water inlet; 62-water mixing cavity; 63-a valve core mounting cavity; 64-a hot water chamber; 65-cold water chamber; 66-water inlet annular sinking groove; 67-a diverter plate; 68-hexagonal cavity; 69-hexagonal column; 70-reinforcing ribs; 71-threaded hole.

Detailed Description

Example 1:

as shown in fig. 1 to 4, a detachable and washable constant-temperature water mixing valve comprises a switch valve chamber 1, wherein one side of the switch valve chamber 1 is communicated with a cold water inlet pipeline, the other side of the switch valve chamber 1 is communicated with a hot water inlet pipeline, a constant-temperature outer valve body 41 is integrally connected above the switch valve chamber 1, an installation cavity 48 is arranged in the constant-temperature outer valve body 41, an installation opening 51 communicated with the installation cavity 48 is arranged on one side of the constant-temperature outer valve body 41, a constant-temperature valve core assembly 43 is arranged in the constant-temperature outer valve body 41, an installation assembly used for installing the constant-temperature valve core assembly 43 is arranged outside the constant-temperature valve core assembly 43.

The overall structure of the mounting cavity 48 is a two-section structure with a first mounting cavity 481 and a second mounting cavity 482.

The inner wall of the first mounting cavity 481 is provided with an internal thread at a position close to the mounting opening 51.

The mounting assembly comprises a constant temperature inner valve body 42, and the integral structure of the constant temperature inner valve body 42 is a three-section integrated structure and comprises a fixed section 56, a middle section 57 and a mounting section 58.

The fixed section 56 is provided with external threads, and the constant-temperature outer valve body 41 is in threaded connection with the constant-temperature inner valve body 42.

The constant-temperature inner valve body 42 is connected with the constant-temperature outer valve body 41 through threads, so that the installation and the disassembly of the constant-temperature inner valve body and the constant-temperature outer valve body are facilitated.

The diameter of the outer surface of the intermediate section 57 is less than the diameter of the inner bore of the first mounting cavity 481.

The outer surface of the mounting section 58 is sealed and tightly fitted with the inner hole wall of the second mounting cavity 482 by an O-ring.

The interior of the middle section 57 of the thermostatic inner valve body 42 is provided with a water mixing chamber 62.

The mounting section 58 is internally provided with a valve core mounting cavity 63 communicated with the water mixing cavity 62.

A plurality of water mixing cavity shunting holes 59 communicated with the water mixing cavity 62 are formed in the middle section 57, and the plurality of water mixing cavity shunting holes 59 are sequentially arranged at intervals along the circumferential direction of the middle section 57.

And a flow distribution plate 67 which is integrally arranged with the middle section 57 is arranged between the two adjacent flow distribution holes 59 of the water mixing cavity on the middle section (57).

The plurality of flow dividing plates 67 perform the functions of dividing and mixing cold water and hot water flowing through and enabling the cold water and the hot water to be mixed at a uniform temperature, and meanwhile, the arrangement of the plurality of flow dividing plates 67 reduces the water storage amount of the first installation cavity 481.

The thermostatic valve core assembly 43 is arranged in the valve core mounting cavity 63, and the thermostatic valve core assembly 43 is arranged in the middle of the valve core hot water inlet 60 and the valve core cold water inlet 61.

The outer surface of the thermostatic valve core assembly 43 is sealed and tightly matched with the inner hole wall of the valve core installation cavity 63 through an O-shaped sealing ring.

The O-shaped sealing ring separates cold water from hot water, prevents water from mixing, and can ensure that the thermostatic valve core assembly 43 moves along the axial direction.

The thermostatic cartridge assembly 43 divides the cartridge mounting chamber 63 into a hot water chamber 64 and a cold water chamber 65.

The thermostatic cartridge assembly 43 comprises a thermostatic cartridge.

The thermostatic valve core is a device for automatically adjusting the mixing proportion of cold water and hot water to ensure that the temperature of mixed water can be automatically kept at a set temperature, and belongs to the prior art.

The mounting section 58 is provided with two water inlet annular sunken grooves 66, the water inlet annular sunken groove 66 close to the middle section 57 is communicated with the hot water cavity 64 through the valve core hot water inlet 60, and the water inlet annular sunken groove 66 far away from the middle section 57 is communicated with the cold water cavity 65 through the valve core cold water inlet 61.

The valve core hot water inlet 60 is a plurality of long round holes which are circumferentially arranged in the water inlet annular sinking groove 66 close to the middle section 57 at intervals.

The valve core cold water inlet 61 is a plurality of long round holes which are circumferentially arranged in the water inlet annular sinking groove 66 far away from the middle section 57 at intervals.

A hot water inflow hole 54 is integrally formed in the sidewall of the thermostatic outer valve body 41.

One end of the hot water inflow hole 54 is communicated with a water inlet annular sinking groove 66 corresponding to the valve core hot water inlet 60, and the other end thereof is communicated with the switch valve chamber 1.

A cold water inlet hole 55 is integrally formed in the sidewall of the thermostatic outer valve body 41.

One end of the cold water inlet hole 55 is communicated with a water inlet annular sinking groove 66 corresponding to the cold water inlet 61 of the valve core, and the other end of the cold water inlet hole is communicated with the switch valve chamber 1.

The outer surface of the constant temperature outer valve body 41 is integrally provided with a constant temperature water outlet pipe 47, and the constant temperature water outlet pipe 47 is communicated with the first mounting cavity 481 through a water outlet communication hole 50.

The water outlet communication hole 50 is provided on the inner wall of the constant temperature outer valve body 41.

An adjusting seat 49 is also integrally cast at one end of the constant temperature outer valve body 41 far away from the first mounting cavity 481.

The adjusting seat 49 is internally provided with an adjusting piece mounting hole 52, the adjusting piece mounting hole 52 is integrally of a two-section mutually communicated structure, the cross section of a large hole of the adjusting piece mounting hole 52 is hexagonal, and the cross section of a small hole is circular.

An adjustment assembly is disposed within the adjustment member mounting aperture 52.

The adjustment assembly includes an adjustment ram 44 for adjusting the axial position of the thermostatic cartridge assembly 43.

The section of the adjusting mandril 44 is a hexagon which is correspondingly matched with the section of the large hole of the adjusting piece mounting hole 52.

A threaded hole is formed in the adjusting ejector rod 44.

The adjusting mandril 44 is in threaded connection with an adjusting shaft 45.

An adjusting spring 46 is arranged in the hot water cavity 64, one end of the adjusting spring 46 is abutted against the bottom surface of the hot water cavity 64, and the other end of the adjusting spring is abutted against the constant temperature valve core assembly 43.

The setting of the adjusting spring 46 ensures that the thermostatic cartridge assembly 43 always abuts against the end surface of the adjusting mandril 44.

The adjusting shaft 45 is rotated to drive the adjusting ejector rod 44 to move axially, so as to drive the thermostatic valve core assembly 43 to move axially, and the thermostatic valve core assembly 43 moves axially, so that the proportion of hot water flowing from the valve core hot water inlet 60 and cold water flowing from the valve core cold water inlet 61 can be adjusted, and the purpose of adjusting the temperature of mixed water is further achieved.

During the use, hot water gets into hot water chamber 64 through hot water inflow hole 54, cold water gets into cold water chamber 65 back through the through-hole of constant temperature case subassembly 43 intermediate position through cold water inflow hole 55 and gets into hot water chamber 64, get into the mixing chamber 62 with the hot water in the hot water chamber 64 jointly and mix, get into further mixing in first installation cavity 481 through mixing water chamber diffluence hole 59 again, when rivers got into first installation cavity 481 through mixing water chamber diffluence hole 59, receive the separation reposition of redundant personnel of flow distribution plate 67 and form the vortex, the effect that the samming was mixed has been played to rivers, rivers go out water outlet device such as shower nozzle from constant temperature water outlet pipe 47 outflow through a water intercommunication hole 50 at last.

As shown in fig. 1, a valve seat 6 is disposed in the middle of an inner cavity of the on-off valve chamber 1, and a cold water inlet hole 7, a hot water inlet hole 8, a hot water outlet hole 10, and a cold water outlet hole 9 are disposed on the valve seat 6 in a surrounding manner along the axis of the on-off valve chamber 1.

The openings of the cold water inlet hole 7, the hot water inlet hole 8, the cold water outlet hole 9 and the hot water outlet hole 10 are positioned in the same plane.

And a cold water input pipe 2 and a hot water input pipe 3 are arranged on the outer side of the switch valve chamber 1, and the cold water input pipe 2 and the hot water input pipe 3 are both positioned on the same plane, are fixedly connected to the outer side of the switch valve chamber 1 and are vertical to the axis of the switch valve chamber 1.

The inner end of the cold water input pipe 2 is connected to the outer wall of the switch valve chamber 1 through a cold water communicating pipe 21 which is vertically arranged with the cold water input pipe, and is communicated with the cold water inlet hole 7, and the cold water input pipe 2 and the cold water communicating pipe 21 form a three-way form.

An opening is reserved at the outer end of the cold water communicating pipe 21, and internal threads are arranged on the outer pipe wall of the cold water communicating pipe 21 close to the outer end.

An opening at the outer end of the cold water communicating pipe 21 is detachably connected with a plug through internal threads for plugging the cold water communicating pipe.

By the design, the outer end of the cold water communicating pipe 21 is provided with the opening, so that the casting cold water input pipe 2 and the cold water communicating pipe 21 can be conveniently produced.

The inner end of the hot water input pipe 3 is connected to the outer wall of the switch valve chamber 1 through a hot water communicating pipe 31 vertically arranged with the hot water input pipe, and is communicated with the hot water inlet hole 8, and the hot water input pipe 3 and the hot water communicating pipe 31 form a three-way form.

An opening is reserved at the outer end of the hot water communication pipe 31, and internal threads are arranged on the outer pipe wall of the hot water communication pipe 31 close to the outer end.

The opening of the outer end of the hot water communicating pipe 31 is detachably connected with a plug through threads for plugging the hot water communicating pipe.

By such a design, the casting hot water input pipe 3 and the hot water communication pipe 31 can be conveniently produced by reserving an opening at the outer end of the hot water communication pipe 31.

The cold water inflow hole 55 communicates with the cold water outlet hole 9, and the hot water inflow hole 54 communicates with the hot water outlet hole 10.

And pipe joint devices for connecting the cold water pipe and the hot water pipe are arranged at the lower ends of the cold water input pipe 2 and the hot water input pipe 3.

The pipe joint device is a reverse screw fixedly arranged at the lower ends of the cold water input pipe 2 and the hot water input pipe 3 respectively, and a hexagon nut is arranged on the reverse screw.

Design like this, through falling spiral shell and hexagon nut, can be convenient with cold water input tube 2 and hot water input tube 3 respectively with cold water pipe and hot-water line connection to the spiral shell of falling can be directly cast on cold water input tube 2 and hot water input tube 3 when casting cold water input tube 2 and hot water input tube 3, and then can reduce manufacturing process, convenient manufacturing.

An adjusting switch device is arranged in the switch valve chamber 1.

The regulating switch device comprises a group of relatively rotatable throttle valve plates arranged in the switch valve chamber 1, wherein the group of throttle valve plates are a first ceramic valve plate 27 and a second ceramic valve plate 28.

As shown in fig. 5, four first through holes 271 are distributed on the first ceramic valve plate 27, and the positions of the four first through holes 271 correspond to the cold water inlet hole 7, the hot water inlet hole 8, the cold water outlet hole 9, and the hot water outlet hole 10, respectively.

As shown in fig. 6, the inner side surface of the second ceramic valve plate 28 is provided with two first arc-shaped grooves 281, and each first arc-shaped groove 281 can simultaneously cover two of the four first through holes 271.

When the valve is installed, the first ceramic valve plate 27 is tightly attached to the upper surface of the valve seat 6, the four first through holes 271 are respectively in one-to-one butt joint with the cold water inlet hole 7, the hot water inlet hole 8, the cold water outlet hole 9 and the hot water outlet hole 10, and the inner side surface of the second ceramic valve plate 28 is downward covered on the first ceramic valve plate 27.

When the second ceramic valve plate 28 and the first ceramic valve plate 27 rotate relatively, each first arc-shaped groove 281 on the second ceramic valve plate 28 can connect or disconnect two adjacent first through holes 271 on the first ceramic valve plate 27, so that the switching functions of the hot water input pipe 3 and the hot water inflow hole 54 are connected or disconnected while the cold water input pipe 2 and the cold water inflow hole 55 are connected or disconnected, and the purpose of simultaneously switching on and off the cold water and hot water channels is achieved.

And when the second ceramic valve plate 28 is rotated, the first arc-shaped groove 281 of the second ceramic valve plate 28 covers the cold water inlet hole 7 and the hot water inlet hole 8, the water supply function of the solar water heater can be realized by the cold water pressure of the cold water input pipe 2, and the water supply pressure is large and the speed is high.

And a positioning plate 25 is arranged between the outer walls of the cold water communication pipe 21 and the hot water communication pipe 31 and the outer walls of the switch valve chamber 1 and the constant temperature outer valve body 41.

By the design, the cold water communicating pipe 21, the hot water communicating pipe 31, the switch valve chamber 1 and the constant temperature outer valve body 41 can be connected into a whole through the positioning plate 25, the mechanical strength of the device can be effectively improved, the phenomenon that each pipeline is broken due to uneven stress is avoided, and meanwhile, the positioning accuracy of the shell can be conveniently installed.

Example 2:

as shown in fig. 7, a lower outlet regulating chamber for separately outputting cold water, hot water or mixed water is provided below the switching valve chamber 1.

The lower water outlet adjusting cavity comprises a lower water outlet valve chamber 11 for mounting a switch valve plate, and a switch valve seat 12 is arranged in the middle of an inner cavity of the lower water outlet valve chamber 11.

The switch valve seat 12 is provided with a hot water hole 13, a cold water hole 14 and a mixed water outlet hole 15 around the axis of the lower water outlet valve chamber 11.

The openings of the hot water hole 13, the cold water hole 14 and the mixed water outlet hole 15 are positioned in the same plane.

The outer wall of the lower water outlet valve chamber 11 is provided with a cold water inlet pipe 141 and a hot water inlet pipe 131 which are respectively communicated with the cold water hole 14 and the hot water hole 13.

And a water outlet pipe 30 communicated with the mixed water outlet hole 15 is arranged on the outer wall of the lower water outlet valve chamber 11.

And a cold water guide pipe 71 and a hot water guide pipe 81 which are respectively communicated with the cold water inlet hole 7 and the hot water inlet hole 8 are arranged on the outer wall of the switch valve chamber 1.

The outer end of the cold water guide pipe 71 is provided with a connector for connecting to the cold water inlet pipe 141, and the outer end of the hot water guide pipe 81 is provided with a connector for connecting to the hot water inlet pipe 131.

The interface is a plug-in type interface.

During assembly, the outer ends of the cold water guide pipe 71 and the hot water guide pipe 81 are respectively and correspondingly inserted into the cold water inlet pipe 141 and the hot water inlet pipe 131 to realize the communication between the switch cavity and the lower water outlet adjusting cavity.

Further, the cold water in the cold water inlet hole 7 can be fed into the cold water hole 14 through the cold water guide pipe 71 and the cold water inlet pipe 141, and the hot water in the hot water inlet hole 8 can be fed into the hot water hole 13 through the hot water guide pipe 81 and the hot water inlet pipe 131.

In order to achieve a better sealing effect, annular grooves can be formed in the outer walls of the cold water guide pipe 71 and the hot water guide pipe 81, and sealing rings are installed in the grooves.

The switch valve plate comprises a group of relatively rotatable ceramic valve plates arranged in the lower water outlet valve chamber 11, and the group of ceramic valve plates are a third ceramic valve plate 32 and a fourth ceramic valve plate 33.

As shown in fig. 8, a first communication hole 321, a second communication hole 322, and a third communication hole 323 are distributed on the third ceramic valve plate 32, and the positions of the first communication hole 321, the second communication hole 322, and the third communication hole 323 correspond to the hot water hole 13, the cold water hole 14, and the mixed water outlet hole 15, respectively.

As shown in fig. 9, a communication groove 331 is opened on the inner side surface of the fourth ceramic valve plate 33, and the communication groove 331 may cover the first communication hole 321 and the third communication hole 323 simultaneously, or cover the second communication hole 322 and the third communication hole 323 simultaneously, so as to connect or disconnect the hot water hole 13 and the mixed water outlet hole 15 or the cold water hole 14 and the mixed water outlet hole 15.

When the third ceramic valve plate 32 and the fourth ceramic valve plate 33 are mounted, the third ceramic valve plate 32 is tightly attached to the upper surface of the switch valve seat 12, the first communication hole 321, the second communication hole 322 and the third communication hole 323 are respectively in one-to-one butt joint with the hot water hole 13, the cold water hole 14 and the mixed water outlet hole 15, and the inner side surface of the fourth ceramic valve plate 33 is covered on the third ceramic valve plate 32 downwards.

When the fourth ceramic valve plate 33 rotates relative to the third ceramic valve plate 32, the communicating groove 331 on the fourth ceramic valve plate 33 can cover the first communicating hole 321 and the third communicating hole 323 of the third ceramic valve plate 32 at the same time, so that the hot water hole 13 and the mixed water outlet hole 15 can be connected or disconnected.

When the fourth ceramic valve plate 33 rotates relative to the third ceramic valve plate 32, the communicating groove 331 on the fourth ceramic valve plate 33 can also cover the second communicating hole 322 and the third communicating hole 323 of the third ceramic valve plate 32 at the same time, so that the cold water hole 14 can be connected with or disconnected from the mixed water outlet hole 15.

When the fourth ceramic valve sheet 33 is rotated to cover the communication groove 331 on the first communication hole 321 and the third communication hole 323, the hot water in the hot water inlet hole 8 is delivered into the hot water hole 13 through the hot water guide pipe 81 and the hot water inlet pipe 131, and then enters the mixed water outlet hole 15 through the communication groove 331, and then the pure hot water is output through the water outlet pipe 30.

When the fourth ceramic valve plate 33 is rotated to cover the communication groove 331 on the second communication hole 322 and the third communication hole 323, the cold water in the cold water inlet hole 7 is delivered into the cold water hole 14 through the cold water guide pipe 71 and the cold water inlet pipe 141, then enters the mixed water outlet hole 15 through the communication groove 331, and then the pure cold water is output through the water outlet pipe 30.

When the fourth ceramic valve sheet 33 is rotated to cover the communication groove 331 on the first communication hole 321, the second communication hole 322, and the third communication hole 323 at the same time, the hot water and the cold water enter the mixed water outlet hole 15 through the communication groove 331 together, and then the mixed water is discharged through the water outlet pipe 30.

Example 3:

the hot water guide pipe 81 and the hot water inlet pipe 131 in embodiment 2 may be integrally manufactured.

The cold water guide pipe 71 and the cold water inlet pipe 141 may be integrally manufactured.

Example 4:

as shown in fig. 10 to 11, the integral structure of the thermostatic inner valve body 42 in the above embodiment 1 may also adopt the structure shown in fig. 10 to 11, and a hexagonal cavity 68 with a hexagonal section is provided inside the fixing section 56 of the thermostatic inner valve body 42.

The hexagonal cavity 68 is internally provided with a hexagonal column 69 with a hexagonal section, and the shape of the hexagonal column 69 corresponds to the shape of the hexagonal cavity 68.

The hexagonal column 69 is used for connecting a hand wheel which is convenient to install and disassemble the constant temperature inner valve body 42, and the shape of the outer surface of the hexagonal column 69 corresponds to the shape of a connecting inner cavity of the hand wheel.

The hexagonal cavity 68 is internally provided with a plurality of reinforcing ribs 70 which play a role in reinforcing and fixing the hexagonal column 69, and the reinforcing ribs 70 are sequentially arranged at intervals along the circumferential direction of the outer surface of the hexagonal column 69.

One end of the reinforcing rib 70 is flush with the bottom surface of the hexagonal cavity 68 and is integrally arranged with the fixing section 56, and the other end of the reinforcing rib 70 is arranged at a certain distance from the open end of the hexagonal cavity 68.

The hexagonal column 69 is internally provided with a threaded hole 71, and the threaded hole 71 is used for fixedly connecting the hand wheel to the hexagonal column 69 of the constant-temperature inner valve body 42.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a can unpick and wash constant temperature mixes water valve, includes switch valve room (1), and wherein one side intercommunication of switch valve room (1) has cold water inlet pipe, and its opposite side intercommunication has hot water inlet pipe, its characterized in that: the switch valve chamber (1) top an organic whole is connected with outer valve body of constant temperature (41), is provided with installation cavity (48) in the outer valve body of constant temperature (41), and one side of the outer valve body of constant temperature (41) is provided with installing port (51) that are linked together with installation cavity (48), be provided with constant temperature case subassembly (43) in the outer valve body of constant temperature (41), the outside of constant temperature case subassembly (43) is provided with the installation component that is used for installing constant temperature case subassembly (43), installation component and installing port (51) sealing connection.

2. The detachable and washable thermostatic mixing valve according to claim 1, characterized in that: the integral structure of the installation cavity (48) is of a two-section mutually communicated structure, the installation cavity comprises a first installation cavity (481) and a second installation cavity (482), and an internal thread is arranged on the inner wall of the first installation cavity (481) and close to the installation opening (51).

3. The detachable and washable thermostatic mixing valve according to claim 2, characterized in that: the mounting assembly comprises a constant-temperature inner valve body (42), the integral structure of the constant-temperature inner valve body (42) is of a three-section integrated structure and comprises a fixed section (56), an intermediate section (57) and a mounting section (58), an external thread matched with the internal thread is arranged on the fixed section (56), a water mixing cavity (62) is arranged inside the intermediate section (57), a valve core mounting cavity (63) used for mounting the constant-temperature valve core assembly (43) is arranged inside the mounting section (58), and the valve core mounting cavity (63) is communicated with the water mixing cavity (62).

4. The detachable and washable thermostatic mixing valve according to claim 3, characterized in that: a plurality of water mixing cavity shunting holes (59) are formed in the middle section (57), and the plurality of water mixing cavity shunting holes (59) are sequentially distributed at intervals along the circumferential direction of the middle section (57).

5. The detachable and washable thermostatic mixing valve according to claim 4, characterized in that: all be provided with flow distribution plate (67) between two adjacent muddy water chamber shunt hole (59) on interlude (57), flow distribution plate (67) and interlude (57) integrative the setting.

6. The detachable and washable thermostatic mixing valve according to claim 5, characterized in that: two water inlet annular sinking grooves (66) are formed in the mounting section (58), a plurality of valve core hot water inlets (60) are formed in the water inlet annular sinking grooves (66) close to the middle section (57) at intervals in the circumferential direction, and a plurality of valve core cold water inlets (61) are formed in the other water inlet annular sinking groove (66) at intervals in the circumferential direction.

7. The detachable and washable thermostatic mixing valve according to claim 6, characterized in that: the side wall of the constant temperature outer valve body (41) is integrally provided with a hot water inlet hole (54) and a cold water inlet hole (55) which are communicated with the switch valve chamber (1).

8. The detachable and washable thermostatic mixing valve according to claim 7, characterized in that: a constant temperature water outlet pipe (47) is integrally arranged on the outer surface of the constant temperature outer valve body (41), and the constant temperature water outlet pipe (47) is communicated with the first installation cavity (481) through a water outlet communicating hole (50).

9. The detachable and washable thermostatic mixing valve according to claim 8, characterized in that: a constant-temperature valve core assembly (43) is installed in the valve core installation cavity (63), an adjusting seat (49) is integrally cast at one end, far away from the first installation cavity (481), of the constant-temperature outer valve body (41), an adjusting piece installation hole (52) is formed in the adjusting seat (49), and an adjusting assembly is arranged in the adjusting piece installation hole (52).

10. The detachable and washable thermostatic mixing valve according to claim 9, characterized in that: a lower water outlet assembly capable of independently outputting cold water, hot water or mixed water is arranged below the switch valve chamber (1).