CN109707869B - Constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet - Google Patents
Constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet Download PDFInfo
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- CN109707869B CN109707869B CN201811171511.4A CN201811171511A CN109707869B CN 109707869 B CN109707869 B CN 109707869B CN 201811171511 A CN201811171511 A CN 201811171511A CN 109707869 B CN109707869 B CN 109707869B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 404
- 230000006870 function Effects 0.000 title claims abstract description 41
- 239000000919 ceramic Substances 0.000 claims abstract description 280
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011258 core-shell material Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000741 silica gel Substances 0.000 claims description 18
- 229910002027 silica gel Inorganic materials 0.000 claims description 18
- 210000002445 nipple Anatomy 0.000 claims description 15
- 239000008358 core component Substances 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 2
- 244000309464 bull Species 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005465 channeling Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000000151 anti-reflux effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The invention discloses a constant temperature and constant pressure valve core with flow regulation and closing functions for a two-gear water outlet belt, which comprises an outer shell, a swivel, a buckle, an upper cover, a mandrel rod, an adjusting rod, a bias spring, a sliding block, a memory alloy spring, an inner joint, an inner shell, a pressure balance valve core seat, a pressure balance valve core outer shell, a pressure balance valve core inner core, an upper ceramic chip, a movable ceramic chip, a lower ceramic chip, a base, a gear spring and a gear warhead, wherein the buckle, the upper cover, the mandrel rod, the adjusting rod, the bias spring, the sliding block, the inner joint and the memory alloy spring are arranged in the inner shell to form an inner shell assembly; the pressure balance valve core inner core is arranged in the pressure balance valve core shell, three O-shaped rings are sleeved on the pressure balance valve core shell, then the three O-shaped rings are arranged in two pressure balance valve core seats, and four silica gel rings are arranged on the two pressure balance valve core seats to form a pressure balance valve core assembly, so that the pressure balance valve core assembly has the beneficial effects that: novel structure integrates multiple functions on a case, and tap product simple structure easily controls, adjusts water.
Description
Technical Field
The invention relates to a valve core, in particular to a constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet.
Background
The existing thermostatic valve core in the market mainly comprises three types: the constant temperature valve core only has a constant temperature adjusting function and is used together with the switching valve core and the reverse flow valve; a constant-temperature valve core has an integrated switch function, but has no constant-pressure function and only one water outlet, and is used together with an anti-reflux valve; one is a constant temperature and constant pressure valve core, which only has the function of opening and closing water outlet and is used together with an anti-countercurrent valve.
Disclosure of Invention
The invention aims to solve the technical problems of providing a constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet, integrating constant temperature, constant pressure and switching functions, wherein the combination of a pressure balance valve core component and a constant temperature control component can keep the water outlet temperature constant when the water inlet temperature and the pressure change, the pressure balance valve core component is positioned behind a switching ceramic chip, the constant temperature control component is positioned behind the pressure balance valve core component, and when the valve core is in a closed state, the pressure balance valve core component and the constant temperature control component are isolated from the water inlet, thereby avoiding the defect that the pressure balance valve core component and the constant temperature control component need to be additionally provided with a reverse flow valve to prevent water channeling.
In order to achieve the above object, the present invention adopts the following measures:
the constant temperature and constant pressure valve core comprises an outer shell, a rotating body, a buckle, an upper cover, a mandrel rod, an adjusting rod, a biasing spring, a sliding block, a memory alloy spring, an inner joint, an inner shell, a pressure balance valve core seat, a pressure balance valve core outer shell, a pressure balance valve core inner core, an upper ceramic chip, a movable ceramic chip, a lower ceramic chip, a base, a gear spring and a gear warhead, wherein the buckle, the upper cover, the mandrel rod, the adjusting rod, the biasing spring, the sliding block, the inner joint and the memory alloy spring are arranged in the inner shell to form an inner shell assembly; the pressure balance valve core inner core is arranged in the pressure balance valve core shell, three O-shaped rings are sleeved on the pressure balance valve core shell and then are filled into two pressure balance valve core seats, four silica gel rings are arranged on the two pressure balance valve core seats to form a pressure balance valve core assembly, and the pressure balance valve core assembly is filled into a bottom hole of the inner shell; the upper ceramic chip is clamped on the inner shell and contacts with the pressure balance valve core assembly, the gear spring and the gear warhead are arranged on the inner shell, the lower ceramic chip is arranged on the base, the inner shell assembly is arranged in the rotor, the movable ceramic chip is clamped on the rotor and is positioned between the upper ceramic chip and the lower ceramic chip, the outer shell is clamped with three clamping positions on the upper part of the inner shell on the rotor and then is clamped with the base to form a valve core assembly, the inner shell assembly, the upper ceramic chip and the lower ceramic chip are fixed in the valve core assembly, the rotor can freely rotate between the outer shell and the inner shell assembly and drive the movable ceramic chip to switch between water inlet holes and water outlet holes of the upper ceramic chip and the lower ceramic chip, so that the two-gear water diversion, closing and flow regulation functions are realized; the inner shell assembly is used for keeping the water outlet temperature constant when the water inlet temperature is changed, the pressure balance valve core assembly is used for keeping the water outlet temperature in a control range when the water inlet pressure is changed, the pressure balance valve core assembly is arranged on the constant temperature assembly, the water outlet temperature can be kept constant when the water inlet temperature and the water inlet pressure are changed, the pressure balance valve core assembly is arranged between the inner shell assembly and the upper ceramic chip, and when the movable ceramic chip is in a closed position, the pressure balance valve core assembly and the inner shell assembly are separated from the water inlet, so that the defect of water channeling of the pressure balance valve core assembly is avoided, and a reverse flow valve required by a conventional constant temperature valve core or a pressure balance valve core can be canceled;
the base set up four holes, do not: the base is provided with three lower ceramic chip bosses for positioning lower ceramic chips, three shell bosses for positioning shells and four shell buckles for clamping shells; two hole slots are formed in the lower part of the lower ceramic chip, and the two hole slots are respectively: the upper part of the lower ceramic chip is communicated with the lower ceramic chip hot water inlet groove, two lower ceramic chip hot water outlets are communicated with the lower ceramic chip cold water inlet groove, and two lower ceramic chip cold water outlets which are communicated up and down are arranged on the lower ceramic chip; three through holes are formed in the bottom of the movable ceramic chip, and the three through holes are respectively: the movable ceramic tile comprises a movable ceramic tile hot water inlet hole, a movable ceramic tile cold water inlet hole and a movable ceramic tile cold and hot water mixing water outlet hole, wherein three movable ceramic tile clamping grooves are formed in the edges of the movable ceramic tile, and a counter bore is formed in the middle of the upper part of the movable ceramic tile to distinguish the upper surface from the lower surface; three hole grooves are formed in the lower portion of the upper ceramic chip, and the three hole grooves are an upper ceramic chip hot water inlet hole groove, an upper ceramic chip cold water inlet hole groove and an upper ceramic chip cold and hot water mixing water outlet hole respectively; the upper part of the upper ceramic chip is provided with three hole slots, namely an upper ceramic chip hot water inlet hole, an upper ceramic chip cold water inlet hole and an upper ceramic chip cold and hot water mixing water outlet hole, which are respectively communicated with the three hole slots at the lower part of the upper ceramic chip correspondingly, and the edge of the upper ceramic chip is provided with three upper ceramic chip clamping slots; the upper ceramic chip hot water inlet hole groove and the upper ceramic chip cold water inlet hole groove are correspondingly communicated with the lower ceramic chip hot water inlet hole groove and the lower ceramic chip cold water inlet hole groove of the lower ceramic chip respectively through the movable ceramic chip hot water inlet hole and the movable ceramic chip cold water inlet hole of the movable ceramic chip, and when the movable ceramic chip rotates, the upper ceramic chip is communicated with or disconnected from a hole site with a corresponding function on the lower ceramic chip, and the valve core realizes water outlet and closing functions;
three uniformly distributed shell positioning grooves are formed in the inner wall of the shell, three shell positioning grooves are formed in the lower end of the shell, four shell clamping grooves are formed in the side wall of the lower part of the shell, positioning mark points are arranged on the outer top of the shell, and the shell positioning grooves and the shell clamping grooves are clamped and positioned with the base; three rotating body ribs are uniformly arranged on the upper part of the rotating body, a movable ceramic piece positioning boss and a gear clamping groove are arranged on the lower part of the rotating body, a circle of rotating body external tooth ring is arranged on the outer wall of the upper part of the rotating body, the movable ceramic piece positioning boss is clamped on the movable ceramic piece clamping groove of the movable ceramic piece, the rotating body external tooth ring is used for being connected with a switching handle of a faucet, the switching handle of the faucet can be rotated to drive the rotating body and the movable ceramic piece to rotate together, so that the upper ceramic piece is communicated with or disconnected from a hole site with a corresponding function on the lower ceramic piece, and the water outlet and closing functions of the valve core are realized; the bottom of the upper cover is provided with a circle of hot water through hole grooves and convex ribs for pressing the inner joint, the outer part of the lower section is provided with mounting threads, and the outer part of the upper section is provided with a circle of upper cover toothed ring; the bottom of the inner shell is provided with a pressure balance valve core mounting hole and an inner shell cold and hot mixed water outlet hole, the bottom of the pressure balance valve core mounting hole is provided with an inner shell hot water inlet hole and an inner shell cold water inlet hole, the top of the pressure balance valve core mounting hole is provided with an inner shell hot water inlet ring groove and an inner shell cold water inlet ring groove which are respectively communicated with the inner shell hot water inlet hole and the inner shell cold water inlet hole at the bottom, the inside of the inner shell is also provided with an inner joint positioning boss for positioning an inner joint and a sealing plane for contacting the inner joint with the inner shell, the lower end part of the inner shell is provided with three inner shell upper ceramic piece positioning bosses for positioning upper ceramic pieces, the outer side of the bottom is provided with a gear spring mounting hole, and the upper part of the inner shell is provided with three inner shell outer shell positioning bosses matched with the outer shell and inner threads for mounting an upper cover; the nipple outside is equipped with two nipple draw-in grooves, and the bottom is equipped with round silica gel seal groove, and the hole lower part is equipped with nipple cold water and crosses the annular, and the nipple is inside to be mixed the water chamber, and nipple draw-in groove card is fixed a position the nipple on the nipple location boss of inner shell, can make nipple bottom and the sealing plane of inner shell hug closely together after screwing up the upper cover, makes upper cover, nipple and inner shell form a whole, and the silica gel seal inslot is impressed has interior silica gel circle, realizes sealing between nipple and the inner shell.
The pressure balance valve core assembly is arranged in the pressure balance valve core mounting hole, water coming out of the upper ceramic chip hot water inlet hole and the upper ceramic chip cold water inlet hole of the upper ceramic chip enters the pressure balance valve core assembly, passes through the pressure balance valve core assembly and then enters the inner shell hot water inlet hole and the inner shell cold water inlet hole of the inner shell, then flows into the inner shell hot water inlet ring groove and the inner shell cold water inlet ring groove, hot water coming in from the inner shell hot water inlet ring groove of the inner shell enters the water mixing cavity from the upper end of the inner joint, cold water coming in from the inner shell cold water inlet ring groove of the inner joint enters the inner joint cold water outlet ring groove and is mixed with hot water coming in from the upper end, and the sliding block is arranged in the water mixing cavity of the inner joint and moves up and down under the action of the biasing spring and the memory alloy spring, so that the cold water or the hot water inlet hole is enlarged or reduced, and the water outlet temperature of the mixed water is adjusted;
the upper cover is connected with the inner shell through threads, a first O-shaped ring is arranged between the upper cover and the inner shell, the first O-shaped ring is sleeved on the upper cover, a gasket is arranged between the upper cover and the mandrel rod, the gasket is sleeved on the mandrel rod, two second O-shaped rings are sleeved outside the mandrel rod, the adjusting rod is connected with the mandrel rod through multi-head threads, the inner connector is clamped in the inner shell, the upper cover is pressed on the inner connector when screwed into the inner shell to enable the inner connector to be in close contact with and seal the inner shell, a third O-shaped ring is sleeved outside the sliding block, a biasing spring is arranged on the upper part of the sliding block, a memory alloy spring is arranged on the lower part of the sliding block, an upper silica gel sealing ring is arranged between the inner shell and the upper ceramic piece, a middle silica gel sealing ring is arranged between the lower ceramic piece and the base, and a lower silica gel sealing ring is arranged on the lower part of the base;
the gear spring and the gear warhead are arranged in a gear spring mounting hole of the inner shell and are matched with a gear clamping groove of the rotator to perform gear positioning;
and polishing the two sides of the movable ceramic chip.
The invention has the beneficial effects that: the shower head has the advantages of practicality, complete functions, novel structure, integration of constant temperature and constant pressure and switching function, no need of a water distributor assembly, a switch valve core and an anti-countercurrent valve, simplified product structure, low product cost and easy control and regulation of water.
Drawings
FIG. 1 is a schematic diagram of an exploded construction of the present invention.
FIG. 2 is a schematic longitudinal cross-sectional view of the inner housing assembly of the present invention.
FIG. 3 is a schematic longitudinal sectional view of a pressure balance valve core assembly according to the present invention.
Fig. 4-1 is a schematic view of the lower structure of the base of the present invention.
Fig. 4-2, a schematic view of the upper structure of the base of the present invention.
FIG. 5-1 is a schematic view of the lower tile structure of the present invention.
Fig. 5-2, a schematic diagram of the upper structure of the lower tile of the present invention.
FIG. 6-1 is a schematic view of the lower structure of the movable ceramic tile of the present invention.
FIG. 6-2 is a schematic diagram of the upper structure of the movable ceramic tile of the present invention.
FIG. 7-1 is a schematic view of the lower structure of the upper tile of the present invention.
FIG. 7-2 is a schematic diagram of the upper tile upper structure of the present invention.
Fig. 8-1, a schematic view of the upper structure of the inner shell of the present invention.
Fig. 8-2, a schematic view of the lower structure of the inner shell of the present invention.
Fig. 8-3 are schematic views of the upper plane structure of the inner shell of the present invention.
Fig. 8-4 are schematic plan views of the lower end of the inner shell of the present invention.
Fig. 9-1, a schematic view of the upper structure of the upper cover of the present invention.
Fig. 9-2 is a schematic view of the lower structure of the upper cover of the present invention.
FIG. 10-1 is a schematic view of the external structure of the swivel body of the present invention.
Fig. 10-2 is a schematic view of the planar structure of the lower end of the swivel body according to the present invention.
FIG. 11-1 is a schematic view of the upper structure of the housing of the present invention.
Fig. 11-2, a schematic view of the lower structure of the housing of the present invention.
Fig. 11-3 are schematic plan views of the lower end portion of the housing of the present invention.
FIG. 12 is a schematic view of the structure of the nipple of the present invention.
FIG. 13 is a schematic view of the structure of the water outlet plane of the present invention.
FIG. 14 is a schematic view of the water intake plane structure of the present invention.
Detailed Description
The constant temperature and constant pressure valve core with the flow regulation and closing functions comprises an outer shell 1, a rotating body 2, a buckle 3, an upper cover 4, a mandrel rod 7, an adjusting rod 9, a biasing spring 10, a sliding block 12, a memory alloy spring 13, an inner joint 24, an inner shell 14, a pressure balance valve core seat 28, a pressure balance valve core outer shell 26, a pressure balance valve core inner core 27, an upper ceramic chip 16, a movable ceramic chip 17, a lower ceramic chip 18, a base 20, a gear spring 22 and a gear warhead 23, wherein the buckle 3, the upper cover 4, the mandrel rod 7, the adjusting rod 9, the biasing spring 10, the sliding block 12, the inner joint 24 and the memory alloy spring 13 are arranged in the inner shell 14 to form an inner shell assembly; the pressure balance valve core 27 is arranged in the pressure balance valve core outer shell 26, the pressure balance valve core outer shell 26 is sleeved with three O-shaped rings 30 and then is filled into two pressure balance valve core seats 28, four silica gel rings 29 are arranged on the two pressure balance valve core seats 28 to form a pressure balance valve core assembly, and the pressure balance valve core assembly is filled into a bottom hole of the inner shell 14; the upper ceramic chip 16 is clamped on the inner shell 14 and contacts with the pressure balance valve core assembly, the gear spring 22 and the gear warhead 23 are arranged on the inner shell 14, the lower ceramic chip 18 is arranged on the base 20, the inner shell assembly is arranged in the rotator 2, the movable ceramic chip 17 is clamped on the rotator 2 and is arranged between the upper ceramic chip 16 and the lower ceramic chip 18, the outer shell 1 is sleeved on the rotator 2 and is clamped with three clamping positions at the upper part of the inner shell 14 and then is clamped with the base 20 to form a valve core assembly, the inner shell assembly, the upper ceramic chip 16 and the lower ceramic chip 18 are fixed in the valve core assembly, and the rotator 2 can freely rotate between the outer shell 1 and the inner shell assembly and drive the movable ceramic chip 17 to switch between water inlet holes and water outlet holes of the upper ceramic chip 16 and the lower ceramic chip 18 so as to realize the functions of second-gear water separation, closing and flow regulation; the inner shell assembly is used for realizing that the water outlet temperature is kept constant when the water inlet temperature is changed, the pressure balance valve core assembly is used for maintaining the water outlet temperature to be changed in a control range when the water inlet pressure is changed, the pressure balance valve core assembly is arranged on the constant temperature assembly, the water outlet temperature can be kept constant when the water inlet temperature and the water inlet pressure are changed, the pressure balance valve core assembly is arranged between the inner shell assembly and the upper ceramic tile 16, and when the movable ceramic tile 17 is arranged at a closing position, the pressure balance valve core assembly and the inner shell assembly are separated from the water inlet, so that the defect that the pressure balance valve core assembly is used for channeling water is avoided, and a reverse flow valve required by a conventional constant temperature valve core or a pressure balance valve core can be canceled.
The base 20 is provided with four holes, which are respectively: the base 20 is provided with three lower ceramic tile bosses 20-5 for positioning lower ceramic tiles 18, three shell bosses 20-7 for positioning the shell 1 and four shell buckles 20-6 for clamping the shell 1; the lower part of the lower ceramic chip 18 is provided with two holes and grooves, which are respectively: the upper part of the lower ceramic chip 18 is communicated with the lower ceramic chip hot water inlet hole groove 18-1 and the lower ceramic chip cold water inlet hole groove 18-2, two lower ceramic chip hot water outlet holes 18-1 and 18-1-2 are arranged and communicated with the lower ceramic chip cold water inlet hole groove 18-2, two lower ceramic chip cold water outlet holes 18-2-1 and 18-2-2 are arranged, and two lower ceramic chip cold water mixing water outlet holes 18-3 and 18-4 which are communicated up and down are arranged on the lower ceramic chip 18; three through holes are formed in the bottom of the movable ceramic chip 17, and the three through holes are respectively: the movable ceramic chip hot water inlet hole 17-1, the movable ceramic chip cold water inlet hole 17-2 and the movable ceramic chip cold and hot water mixing water outlet hole 17-3 are formed in the edge of the movable ceramic chip 17, three movable ceramic chip clamping grooves 17-4 are formed in the edge of the movable ceramic chip 17, and a counter bore 17-5 is formed in the middle of the upper part of the movable ceramic chip 17 to distinguish the upper surface from the lower surface; three hole slots are formed in the lower portion of the upper ceramic tile 16, namely an upper ceramic tile hot water inlet hole slot 16-1, an upper ceramic tile cold water inlet hole slot 16-2 and an upper ceramic tile cold and hot water mixing water outlet hole 16-3; the upper part of the upper ceramic tile 16 is provided with three hole slots, namely an upper ceramic tile hot water inlet hole 16-1-1, an upper ceramic tile cold water inlet hole 16-2-1 and an upper ceramic tile cold and hot water mixing water outlet hole 16-3, which are respectively communicated with the three hole slots at the lower part of the upper ceramic tile 16 correspondingly, and the edge of the upper ceramic tile 16 is provided with three upper ceramic tile clamping slots 16-4; the upper ceramic chip hot water inlet hole groove 16-1 and the upper ceramic chip cold water inlet hole groove 16-2 are correspondingly communicated with the lower ceramic chip hot water inlet hole groove 18-1 and the lower ceramic chip cold water inlet hole groove 18-2 of the lower ceramic chip 18 respectively through the movable ceramic chip hot water inlet hole 17-1 and the movable ceramic chip cold water inlet hole 17-2 of the movable ceramic chip 17, and when the movable ceramic chip 17 rotates, the upper ceramic chip 16 can be communicated with or disconnected from a hole site with a corresponding function on the lower ceramic chip 18, and the valve core realizes water outlet and closing functions.
Three uniformly distributed shell positioning grooves 1-1 are formed in the inner wall of the shell 1, three shell positioning grooves 1-2 are formed in the lower end of the shell, four shell clamping grooves 1-3 are formed in the side wall of the lower part of the shell, positioning mark points 1-4 are formed in the outer top of the shell, and the shell positioning grooves 1-2, the shell clamping grooves 1-3 and the base 20 are clamped and positioned; three rotor ribs 2-1 are uniformly arranged on the upper part of the rotor 2, a movable ceramic piece positioning boss 2-2 and a gear clamping groove 2-4 are arranged on the lower part of the rotor 2, a circle of rotor external tooth ring 2-3 is arranged on the outer wall of the upper part, the movable ceramic piece positioning boss 2-2 is clamped on the movable ceramic piece clamping groove 17-4 of the movable ceramic piece 17, the rotor external tooth ring 2-3 is used for being connected with a switching handle of a tap, the switching handle of the tap can be rotated to drive the rotor 2 and the movable ceramic piece 17 to rotate together, so that the upper ceramic piece 16 is communicated with or disconnected from a hole site with corresponding functions on the lower ceramic piece 18, and the water outlet and closing functions of the valve core are realized; the bottom of the upper cover 4 is provided with a circle of hot water passing hole grooves 4-1 and convex ribs 4-2 for compacting the inner joint 24, the outer part of the lower section is provided with mounting threads 4-3, and the outer part of the upper section is provided with a circle of upper cover toothed rings 4-4; the bottom of the inner shell 14 is provided with a pressure balance valve core mounting hole 14-5 and an inner shell cold and hot mixed water outlet hole 14-3, the bottom of the pressure balance valve core mounting hole 14-5 is provided with an inner shell hot water inlet hole 14-5-1 and an inner shell cold water inlet hole 15-4-2, the top of the pressure balance valve core mounting hole is provided with an inner shell hot water inlet ring groove 14-1 and an inner shell cold water inlet ring groove 14-2 which are respectively communicated with the inner shell hot water inlet hole 14-5-1 and the inner shell cold water inlet hole 15-4-2 at the bottom, the inside of the pressure balance valve core mounting hole is also provided with an inner joint positioning boss 14-9 for positioning an inner joint 24 and a sealing plane 14-8 for contacting the inner joint 24 with the inner shell 14, the lower end of the pressure balance valve core mounting hole is provided with an inner shell upper ceramic chip positioning boss 14-4 for positioning three upper ceramic chips 16, the outer shell positioning boss 14-6 matched with the outer shell 1 and an inner thread 14-10 for mounting an upper cover 4 are arranged at the outer side of the bottom; the outside of the inner joint 24 is provided with two inner joint clamping grooves 24-1, the bottom is provided with a circle of silica gel sealing groove 24-2, the lower part of the inner hole is provided with an inner joint cold water passing ring groove 24-3, a water mixing cavity 24-4 is arranged in the inner joint 24, the inner joint clamping groove 24-1 is clamped on an inner joint positioning boss 14-9 of the inner shell 14 to position the inner joint 24, after the upper cover 4 is screwed down, the bottom of the inner joint 24 and a sealing plane 14-8 of the inner shell 14 are tightly attached together, the upper cover 4, the inner joint 24 and the inner shell 14 form a whole, an inner silica gel ring 25 is pressed in the silica gel sealing groove 24-2, and sealing between the inner joint 24 and the inner shell 14 is realized.
The pressure balance valve core assembly is installed in the pressure balance valve core installation hole 14-5, water coming out of the upper ceramic chip hot water inlet hole 16-1-1 and the upper ceramic chip cold water inlet hole 16-2-1 of the upper ceramic chip 16 enters the pressure balance valve core assembly, passes through the pressure balance valve core assembly and then enters the inner shell hot water inlet hole 14-5-1 and the inner shell cold water inlet hole 15-2 of the inner shell 14, then flows to the inner shell hot water inlet ring groove 14-1 and the inner shell cold water inlet ring groove 14-2, hot water entering from the inner shell hot water inlet ring groove 14-1 of the inner shell 14 enters the water mixing cavity 24-4 from the upper end of the inner joint 24, cold water entering from the inner shell cold water inlet ring groove 14-2 of the inner joint 24 enters the inner joint cold water outlet ring groove 24-3, is mixed with hot water entering from the upper end, and the sliding block 12 is installed in the mixed water cavity 24-4 of the inner joint 24 and moves up and down under the action of the biasing spring 10 and the memory alloy spring 13, so that the cold water or hot water inlet hole is enlarged or reduced, and the temperature of the mixed water is regulated.
The upper cover 4 and the inner shell 14 are connected through threads, a first O-shaped ring 5 is arranged between the upper cover 4 and the inner shell 14, the first O-shaped ring 5 is sleeved on the upper cover 4, a gasket 6 is arranged between the upper cover 4 and the mandrel rod 7, the gasket 6 is sleeved on the mandrel rod 7, two second O-shaped rings 8 are sleeved outside the mandrel rod 7, the adjusting rod 9 and the mandrel rod 7 are connected through multiple threads, the inner joint 24 is clamped in the inner shell 14, when the upper cover 4 is screwed into the inner shell 14, the inner joint 24 is pressed on the inner joint 24 to enable the inner joint 24 to be in tight contact with the inner shell 14 and seal, a third O-shaped ring 11 is sleeved outside the sliding block 12, a biasing spring 10 is arranged on the upper portion of the sliding block 12, a memory alloy spring 13 is arranged on the lower portion of the sliding block, an upper silica gel sealing ring 15 is arranged between the inner shell 14 and an upper ceramic piece 16, a middle silica gel sealing ring 19 is arranged between a lower ceramic piece 18 and a base 20, a lower silica gel sealing ring 21 is arranged on the lower portion of the base 20, and a hole position corresponding to the base 20 is formed on the middle silica gel sealing ring 19 and the lower silica gel sealing ring 21.
The gear spring 22 and the gear warhead 23 are arranged in the gear spring mounting hole 14-7 of the inner shell 14 and are matched with the gear clamping groove 2-4 of the swivel 2 for gear positioning.
Both sides of the movable ceramic chip 17 are polished.
The upper cover 4 is screwed into the inner case 14 and presses the inner joint 24, and the outer case positioning grooves 1-1 of the outer case 1 are caught on the three inner case outer case positioning bosses 14-6 of the inner case 14. The outer shell positioning groove boss 1-5 in the outer shell 1 is pressed on the cover surface 4-6 of the upper cover 4, so that the outer shell 1, the upper cover 4, the inner joint 24 and the inner shell 14 are formed into a whole which cannot generate relative rotation; the rotator 2 is sleeved between the outer shell 1 and the inner shell 14 and is in a free rotation state, and the side surfaces of three rotator ribs 2-1 of the rotator 2 are matched with the outer side surfaces of three outer shell positioning grooves 1-1 of the outer shell 1 to limit the rotation angle of the rotator 2 when the rotator 2 rotates clockwise and anticlockwise; the gear spring 22 and the gear warhead 23 are installed in the gear spring installation hole 14-7 of the inner shell 14, and when the valve core is in a closed state, the gear warhead 23 is clamped in the middle gear clamping groove 2-4 of the three gear clamping grooves 2-4 of the swivel 2, so as to position the valve core in the closed state.
The upper part of the upper ceramic tile 16 is provided with an upper ceramic tile hot water inlet hole 16-1-1 and an upper ceramic tile cold water inlet hole 16-2-1, the upper ceramic tile hot water inlet hole 16-1-1 and the upper ceramic tile cold water inlet hole 16-2-1 are respectively communicated with the upper ceramic tile hot water inlet hole groove 16-1 and the upper ceramic tile cold water inlet hole groove 16-2 correspondingly, and the upper ceramic tile hot water inlet hole 16-1-1 and the upper ceramic tile cold water inlet hole 16-2-1 are respectively communicated with cold and hot water inlets of pressure balance valve core components arranged in the inner shell 14.
The lower ceramic chip hot water inlet hole groove 18-1, the lower ceramic chip cold water inlet hole groove 18-2 and the two lower ceramic chip cold water mixing water outlet holes 18-3 and 18-4 are correspondingly communicated with the base hot water inlet hole 20-1, the base cold water inlet hole 20-2 and the two base cold water mixing water outlet holes 20-3 and 20-4 of the base 20 respectively.
The movable ceramic chip 17 rotates between the upper ceramic chip 16 and the lower ceramic chip 18 to connect or disconnect the corresponding functional hole sites of the upper ceramic chip 16 and the lower ceramic chip 18, and the valve core is in a water outlet or closing state.
As shown in fig. 13 and 14, H is the hot water inflow direction, C is the cold water inflow direction, and M is the outflow direction.
Driven by the rotator 2, the movable ceramic chip cold and hot water mixed water outlet holes 17-3 of the movable ceramic chip 17 are switched between the two lower ceramic chip cold and hot water mixed water outlet holes 18-3 and 18-4 to realize two-stage water outlet, closing and flow regulating functions; the movable ceramic chip 17 has a movable ceramic chip hot water inlet hole 17-1 and a movable ceramic chip cold water inlet hole 17-2 which are switched between a lower ceramic chip hot water outlet hole 18-1-1 or 18-1-2 and a lower ceramic chip cold water outlet hole 18-2-1 or 18-2-2 of the lower ceramic chip 18 to realize the functions of water outlet and flow regulation.
1. When the rotary rotator 2 rotates to enable the gear warhead 23 to be clamped in the gear clamping groove 2-4 in the middle of the three gear clamping grooves 2-4 of the rotator 2, the movable ceramic chip hot water inlet holes 17-1 of the movable ceramic chip 17 are positioned between the two lower ceramic chip hot water outlet holes 18-1-1 and 18-1-2 of the lower ceramic chip 18, the movable ceramic chip cold water inlet holes 17-2 of the movable ceramic chip 17 are positioned between the two lower ceramic chip cold water outlet holes 18-2-1 and 18-2-2 of the lower ceramic chip 18, the movable ceramic chip cold water mixing water outlet holes 17-3 of the movable ceramic chip 17 are positioned between the two lower ceramic chip cold water mixing water outlet holes 18-3 and 18-4 of the lower ceramic chip 18, and the valve core is in a completely closed state at the moment.
2. When the rotator 2 is driven by the handle to rotate in the anticlockwise direction, the rotator 2 drives the movable ceramic chip 17 to rotate anticlockwise, the movable ceramic chip hot water inlet 17-1 of the movable ceramic chip 17 is gradually communicated with the lower ceramic chip hot water outlet 18-1-2 of the lower ceramic chip 18, the movable ceramic chip cold water inlet 17-2 of the movable ceramic chip 17 is gradually communicated with the lower ceramic chip cold water outlet 18-2 of the lower ceramic chip 18, the movable ceramic chip cold and hot water mixed water outlet 17-3 of the movable ceramic chip 17 is gradually communicated with the lower ceramic chip cold and hot water mixed water outlet 18-4 of the lower ceramic chip 18, the base cold and hot water mixed water outlet 20-4 of the base 20 is gradually communicated, the valve core water outlet flow is gradually increased until the maximum flow state is reached along with the increase of the rotation angle, and the gear spring head 23 is clamped in the leftmost gear clamping groove 2-4 of the three gear clamping grooves 2-4 of the rotator 2.
3. When the rotator 2 is driven by a handle to rotate clockwise from a closed state, the rotator 2 drives the movable ceramic chip 17 to rotate clockwise, the movable ceramic chip hot water inlet 17-1 of the movable ceramic chip 17 is slowly communicated with the lower ceramic chip hot water outlet 18-1-1 of the lower ceramic chip 18, the movable ceramic chip cold water inlet 17-2 of the movable ceramic chip 17 is slowly communicated with the lower ceramic chip cold water outlet 18-2-1 of the lower ceramic chip 18, the movable ceramic chip cold and hot water mixed water outlet 17-3 of the movable ceramic chip 17 is slowly communicated with the lower ceramic chip cold and hot water mixed water outlet 18-3 of the lower ceramic chip 18, the base cold and hot water mixed water outlet 20-3 of the base 20 is slowly discharged, the valve core water outlet is also slowly increased until the maximum flow state along with the increase of the rotation angle, and the gear bullet 23 is clamped in the rightmost gear clamping groove 2-4 of the three gear clamping grooves 2-4 of the rotator 2.
The pressure balance valve core component of the product is arranged in the pressure balance valve core mounting hole 14-5 at the bottom of the inner shell 14, and has the function of controlling the outlet water temperature change of the mixed water within a certain range when the outlet water or hot water supply pressure changes when a user adjusts the outlet water temperature of the mixed water to a certain value when using the faucet, so that the outlet water temperature of the mixed water is not excessively high, and a certain constant temperature function is maintained; the implementation principle is that the inflow of cold water and hot water is controlled to control the temperature change, and the following is described (the valve core is opened at a certain position):
1. when the water supply pressure of the cold water and the water supply pressure of the hot water are the same, the pressure balance valve core inner core 27 is positioned at the middle position in the pressure balance valve core outer shell 26, the water inlet areas of the cold water and the water inlet areas of the hot water are the same, and the water outlet temperature of the mixed water is in a stable state;
2. when the pressure of the cold water supply is increased, the pressure balance valve core inner core 27 moves towards the hot water inlet end in the pressure balance valve core shell 26 under the action of water pressure, the area of the hot water inlet is increased, the flow rate of the hot water inlet is increased, the area of the cold water inlet is reduced, the flow rate of the cold water inlet is reduced, and the temperature of the mixed water outlet is in a controllable range;
3. when the pressure of the cold water supply is reduced, the pressure balance valve core inner core 27 moves towards the cold water inlet end in the pressure balance valve core shell 26 under the action of water pressure, the area of the cold water inlet is increased, the flow rate of the cold water inlet is increased, the area of the hot water inlet is reduced, the flow rate of the hot water inlet is reduced, and the temperature of the mixed water outlet is in a controllable range;
4. when the pressure of hot water supply is increased, the pressure balance valve core inner core 27 moves towards the cold water inlet end in the pressure balance valve core shell 26 under the action of water pressure, the area of the cold water inlet is increased, the flow rate of the cold water inlet is increased, the area of the hot water inlet is reduced, the flow rate of the hot water inlet is reduced, and the temperature of the mixed water outlet is in a controllable range;
5. when the pressure of the hot water supply is reduced, the pressure balance valve core inner core 27 moves towards the hot water inlet end in the pressure balance valve core shell 26 under the action of water pressure, the area of the hot water inlet is increased, the flow rate of the hot water inlet is increased, the area of the cold water inlet is reduced, the flow rate of the cold water inlet is reduced, and the temperature of the mixed water outlet is in a controllable range;
6. when cold water is not supplied, the pressure balance valve core inner core 27 moves to the limit position towards the cold water inlet end in the pressure balance valve core shell 26 under the action of hot water pressure, so that the hot water inlet is closed, the whole valve core is in a state of being closed and not being discharged, and the user is prevented from being scalded due to the fact that the whole hot water is discharged; when the cold water pressure is recovered, the pressure balance valve core inner core 27 moves towards the hot water inlet end in the pressure balance valve core shell 26 so as to open the hot water inlet, recover cold and hot mixed water outlet water and keep the original mixed water outlet water temperature;
7. when the hot water is not supplied, the pressure balance valve core inner core 27 moves to the limit position in the pressure balance valve core shell 26 towards the hot water inlet end under the action of cold water pressure, so that the cold water inlet is closed, the whole valve core is in a state of being closed and not being discharged, and the user is prevented from being frightened by the whole cold water outlet; when the hot water pressure is recovered, the pressure balance valve core 27 moves towards the cold water inlet end in the pressure balance valve core shell 26 so as to open the cold water inlet, recover cold and hot mixed water outlet and keep at the original mixed water outlet temperature;
the inner shell assembly is to realize a constant temperature function assembly, the memory alloy spring 13 is a shape memory alloy spring, the temperature control principle is a temperature control mode of controlling the temperature of the memory alloy spring 13 (also called constant temperature spring) from beginning to end, the temperature of mixed water determines the expansion amount of the memory alloy spring 13, under the action of the bias spring 10, the memory alloy spring 13 controls the temperature of mixed water by pushing the sliding block 12 to move to adjust the size of a cold water inlet and a hot water inlet, and then feedback adjustment is carried out by the characteristic of the memory alloy, so that dynamic balance is repeatedly achieved, the water outlet temperature is constant, and the inner shell assembly also has the function of controlling the highest water outlet temperature to be not more than 49 ℃ under any condition and has an anti-scalding effect.
1. When the temperature and pressure of cold and hot water are constant, the spindle rod 7 is rotated clockwise to drive the adjusting rod 9 to move downwards, so as to compress the biasing spring 10 to push the sliding block 12 to move downwards, the hot water inlet is increased, the cold water inlet is reduced, and the mixed water outlet temperature is increased; when the spindle rod 7 is rotated anticlockwise, the adjusting rod 9 is driven to move upwards, the biasing spring 10 releases the compression amount, the memory alloy spring 13 pushes the sliding block 12 to move upwards, the hot water inlet is reduced, the cold water inlet is increased, and the temperature of the mixed water outlet is reduced.
2. When the outlet temperature of the mixed water is at a certain value, if the pressure of the inlet of the cold water is reduced, the inlet flow of the hot water is unchanged, the outlet temperature of the mixed water is increased, the memory alloy spring 13 performs feedback adjustment through the characteristics of the memory alloy, the elastic modulus is increased, the elastic force exceeds the elastic force of the biasing spring 10 so as to push the sliding block 12 to move upwards, the area of the hot water inlet is reduced so as to reduce the inlet flow of the hot water, and the outlet temperature of the mixed water is kept constant; if the pressure of the hot water inlet is reduced, the hot water inflow is reduced, the cold water inflow is unchanged, the mixed water outflow temperature is reduced, the memory alloy spring 13 performs feedback adjustment through the characteristics of the memory alloy, the elastic modulus is reduced, the elastic force of the bias spring 10 exceeds the elastic force of the memory alloy spring 13 so as to push the sliding block 12 to move downwards, the cold water inlet area is reduced so as to reduce the cold water inflow, and the mixed water outflow temperature is kept constant.
3. When the cold water is completely stopped, the elastic modulus of the memory alloy spring 13 is rapidly increased under the action of the hot water, and the elastic force is rapidly increased, so that the sliding block 12 is rapidly pushed to move upwards, the upper end surface of the sliding block 12 is contacted with the bottom of the upper cover 4, and the water inflow of the hot water is cut off, so that the valve core is in a water outflow stopping state, and the user is prevented from being scalded due to the overhigh water outflow temperature; after the cold water is lost, the memory alloy spring 13 plays the characteristic of the memory alloy under the action of the cold water, returns to the state before cold water is lost, and the temperature of the outlet water returns to the temperature before cold water is lost.
The pressure balance valve core component and the inner shell assembly are combined to realize that the outlet water temperature of the mixed water can be maintained in a controllable range no matter how the cold and hot inlet water temperature and the pressure change, the mixed water is not cooled and heated, and the mixed water has the function of stopping water outlet when the cold and hot water is not supplied, so that a user is not scalded when the cold water is not supplied, and the user is not cooled when the hot water is not supplied.
After the valve core is used, the constant-temperature shower head can cancel the water distributor group, the switch valve core and the reverse flow valve, and the valve core has the functions of constant-temperature and constant-pressure water outlet, water switching and water flow regulating and water distribution switching, and can switch between the water outlet of the handheld shower head and the top water outlet.
Claims (4)
1. The utility model provides a constant temperature and constant pressure case of two grades of play water area flow regulation and closing function, including shell (1), rotation (2), buckle (3), upper cover (4), mandrel pole (7), regulation pole (9), biasing spring (10), sliding block (12), memory alloy spring (13), nipple (24), inner shell (14), pressure balance valve core seat (28), pressure balance valve core shell (26), pressure balance valve core inner core (27), go up ceramic chip (16), move ceramic chip (17), lower ceramic chip (18), base (20), gear spring (22) and gear warhead (23), its characterized in that: the buckle (3), the upper cover (4), the mandrel rod (7), the adjusting rod (9), the biasing spring (10), the sliding block (12), the inner joint (24) and the memory alloy spring (13) are arranged in the inner shell (14) to form an inner shell assembly; the pressure balance valve core (27) is arranged in the pressure balance valve core shell (26), the pressure balance valve core shell (26) is sleeved with three O-shaped rings (30) and then is filled into two pressure balance valve core seats (28), four silica gel rings (29) are arranged on the two pressure balance valve core seats (28) to form a pressure balance valve core assembly, and the pressure balance valve core assembly is filled into a bottom hole of the inner shell (14); the upper ceramic chip (16) is clamped on the inner shell (14) and contacts with the pressure balance valve core assembly, the gear spring (22) and the gear warhead (23) are arranged on the inner shell (14), the lower ceramic chip (18) is arranged on the base (20), the inner shell assembly is arranged in the rotator (2), the movable ceramic chip (17) is clamped on the rotator (2) and is positioned between the upper ceramic chip (16) and the lower ceramic chip (18), the outer shell (1) is sleeved on the rotator (2) and is clamped with three clamping positions at the upper part of the inner shell (14) and then is clamped with the base (20) to form a valve core assembly, the inner shell assembly, the upper ceramic chip (16) and the lower ceramic chip (18) are fixed in the valve core assembly, and the rotator (2) can freely rotate between the outer shell (1) and the inner shell assembly and drive the movable ceramic chip (17) to switch between water inlet holes and outlet holes of the upper ceramic chip (16) and the lower ceramic chip (18) so as to realize the functions of water diversion, closure and flow regulation; the pressure balance valve core component is positioned between the inner shell assembly and the upper ceramic chip (16);
the base (20) is provided with four holes which are respectively: the base hot water inlet hole (20-1), the base cold water inlet hole (20-2) and two base cold and hot water mixed water outlet holes (20-3, 20-4), wherein three lower ceramic tile bosses (20-5) for positioning lower ceramic tiles (18), three shell bosses (20-7) for positioning the shell (1) and four shell buckles (20-6) for clamping the shell (1) are arranged on the base (20); two hole grooves are formed in the lower portion of the lower ceramic chip (18), and the two hole grooves are respectively: the ceramic tile comprises a lower ceramic tile hot water inlet groove (18-1) and a lower ceramic tile cold water inlet groove (18-2), wherein the upper part of the lower ceramic tile (18) is communicated with the lower ceramic tile hot water inlet groove (18-1) and provided with two lower ceramic tile hot water outlet holes (18-1 and 18-1-2), the lower ceramic tile cold water inlet groove (18-2) is communicated with the lower ceramic tile cold water inlet groove (18-2) and provided with two lower ceramic tile cold water outlet holes (18-2 and 18-2) communicated up and down, and the lower ceramic tile (18) is provided with two lower ceramic tile cold water and hot water mixing water outlet holes (18-3 and 18-4) communicated up and down; three through holes are formed in the bottom of the movable ceramic chip (17), and the three through holes are respectively: the ceramic tile hot water inlet hole (17-1), the ceramic tile cold water inlet hole (17-2) and the ceramic tile cold and hot water mixing water outlet hole (17-3), wherein three ceramic tile clamping grooves (17-4) are formed in the edge of the ceramic tile (17), and a counter bore (17-5) is formed in the middle of the upper part of the ceramic tile (17) to distinguish the upper surface from the lower surface; three hole grooves are formed in the lower portion of the upper ceramic tile (16), and the three hole grooves are an upper ceramic tile hot water inlet hole groove (16-1), an upper ceramic tile cold water inlet hole groove (16-2) and an upper ceramic tile cold and hot water mixing water outlet hole (16-3) respectively; three hole grooves are formed in the upper portion of the upper ceramic tile (16), namely an upper ceramic tile hot water inlet hole (16-1-1), an upper ceramic tile cold water inlet hole (16-2-1) and an upper ceramic tile cold and hot water mixed water outlet hole (16-3), are correspondingly communicated with the three hole grooves in the lower portion of the upper ceramic tile (16), and three upper ceramic tile clamping grooves (16-4) are formed in the edge of the upper ceramic tile (16); the upper ceramic chip hot water inlet groove (16-1) and the upper ceramic chip cold water inlet groove (16-2) are correspondingly communicated with the lower ceramic chip hot water inlet groove (18-1) and the lower ceramic chip cold water inlet groove (18-2) of the lower ceramic chip (18) respectively through the movable ceramic chip hot water inlet hole (17-1) and the movable ceramic chip cold water inlet hole (17-2) of the movable ceramic chip (17), when the movable ceramic chip (17) rotates, the upper ceramic chip (16) can be communicated with or disconnected from a hole site of the corresponding function on the lower ceramic chip (18), and the valve core realizes water outlet and closing functions;
three uniformly distributed shell positioning grooves (1-1) are formed in the inner wall of the shell (1), three shell positioning grooves (1-2) are formed in the lower end of the shell, four shell clamping grooves (1-3) are formed in the side wall of the lower portion of the shell, positioning identification points (1-4) are formed in the outer top of the shell, and the shell positioning grooves (1-2) and the shell clamping grooves (1-3) are clamped and positioned with the base (20); three rotating body ribs (2-1) are uniformly arranged on the upper part of the rotating body (2), a movable ceramic piece positioning boss (2-2) and a gear clamping groove (2-4) are arranged on the lower part of the rotating body, a circle of rotating body external tooth ring (2-3) is arranged on the outer wall of the upper part of the rotating body, the movable ceramic piece positioning boss (2-2) is clamped on the movable ceramic piece clamping groove (17-4) of the movable ceramic piece (17), the rotating body external tooth ring (2-3) is used for being connected with a switching handle of a faucet, the switching handle of the faucet can drive the rotating body (2) and the movable ceramic piece (17) to rotate together, and the upper ceramic piece (16) is communicated with or disconnected from a hole site of a corresponding function on the lower ceramic piece (18), so that the water outlet and closing functions of the valve core are realized; the bottom of the upper cover (4) is provided with a circle of hot water through hole groove (4-1) and a convex rib (4-2) for pressing the inner joint (24), the outer part of the lower section is provided with a mounting thread (4-3), and the outer part of the upper section is provided with a circle of upper cover toothed ring (4-4); the bottom of the inner shell (14) is provided with a pressure balance valve core mounting hole (14-5) and an inner shell cold and hot mixed water outlet hole (14-3), the bottom of the pressure balance valve core mounting hole (14-5) is provided with an inner shell hot water inlet hole (14-5-1) and an inner shell cold water inlet hole (15-4-2), the top of the pressure balance valve core mounting hole is provided with an inner shell hot water inlet ring groove (14-1) and an inner shell cold water inlet ring groove (14-2) which are respectively communicated with the inner shell hot water inlet hole (14-5-1) and the inner shell cold water inlet hole (15-4-2) at the bottom, an inner joint positioning boss (14-9) for positioning two inner joints (24) and a sealing plane (14-8) for contacting the inner joint (24) with the inner shell (14) are also arranged in the inner shell, the lower end part of the pressure balance valve core mounting hole is provided with three inner shell upper ceramic piece positioning bosses (14-4) for positioning upper ceramic pieces, the outer shell is provided with a gear spring mounting hole (14-7), and the upper part of the pressure balance valve core mounting hole is provided with three inner shell positioning bosses (14-6) which are matched with the outer shell (1) and an inner shell mounting screw thread (14-10); two inner joint clamping grooves (24-1) are formed in the outer part of the inner joint (24), a circle of silica gel sealing groove (24-2) is formed in the bottom of the inner joint, an inner joint cold water passing ring groove (24-3) is formed in the lower part of the inner hole, a water mixing cavity (24-4) is formed in the inner joint (24), the inner joint clamping groove (24-1) is clamped on an inner joint positioning boss (14-9) of the inner shell (14) to position the inner joint (24), after the upper cover (4) is screwed down, the bottom of the inner joint (24) and a sealing plane (14-8) of the inner shell (14) can be tightly attached together, the upper cover (4), the inner joint (24) and the inner shell (14) form a whole, an inner silica gel ring (25) is pressed in the silica gel sealing groove (24-2), and sealing between the inner joint (24) and the inner shell (14) is achieved;
the pressure balance valve core assembly is arranged in the pressure balance valve core mounting hole (14-5), water coming out of the upper ceramic chip hot water inlet hole (16-1-1) and the upper ceramic chip cold water inlet hole (16-2-1) of the upper ceramic chip (16) enters the pressure balance valve core assembly, passes through the pressure balance valve core assembly and then enters the inner shell hot water inlet hole (14-5-1) and the inner shell cold water inlet hole (15-4-2) of the inner shell (14), then flows to the inner shell hot water inlet ring groove (14-1) and the inner shell cold water inlet ring groove (14-2), hot water entering from the inner shell hot water inlet ring groove (14-1) of the inner shell (14) enters the water mixing cavity (24-4) from the upper end of the inner joint (24), cold water entering the inner joint cold water inlet ring groove (24-3) from the inner shell cold water inlet ring groove (14-2) of the inner shell is mixed with hot water entering from the upper end, the sliding block (12) is arranged in the mixed water cavity (24-4) of the inner joint (24), and the mixed water inlet ring groove (24-4) of the inner joint (14) is biased by the spring (10) and the temperature of the alloy spring (13) is expanded or the mixed water is moved under the action of the temperature of the alloy spring (13), so that the mixed water can be stored and the temperature can be adjusted.
2. The constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet according to claim 1, wherein the constant temperature and constant pressure valve core is characterized in that: the upper cover (4) and inner shell (14) between with threaded connection, be provided with first O type circle (5) between the two, first O type circle (5) cover is established on upper cover (4), be provided with gasket (6) between upper cover (4) and mandrel pole (7), gasket (6) cover is established on mandrel pole (7), the outside cover of mandrel pole (7) is provided with two second O type circles (8), adjust pole (9) and mandrel pole (7) pass through bull threaded connection, nipple (24) joint is in inner shell (14), pressure makes nipple (24) and inner shell (14) in close contact and seal on nipple (24) when upper cover (4) precesses inner shell (14), the outside cover of sliding block (12) is equipped with third O type circle (11), sliding block (12) upper portion sets up biasing spring (10), the lower part sets up memory alloy spring (13), be provided with between inner shell (14) and upper porcelain piece (16) silica gel sealing washer (15), be provided with between lower piece (18) and base (20) and silica gel (19), be provided with in lower sealing washer (21) and lower sealing washer (20) corresponding to silica gel (20).
3. The constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet according to claim 2, wherein the constant temperature and constant pressure valve core is characterized in that: the gear spring (22) and the gear warhead (23) are arranged in the gear spring mounting hole (14-7) of the inner shell (14) and are matched with the gear clamping groove (2-4) of the swivel (2) for gear-shifting positioning.
4. The constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet according to claim 3, wherein the constant temperature and constant pressure valve core is characterized in that: and polishing both sides of the movable ceramic chip (17).
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| CN201811171511.4A CN109707869B (en) | 2018-10-09 | 2018-10-09 | Constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet |
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| CN201811171511.4A CN109707869B (en) | 2018-10-09 | 2018-10-09 | Constant temperature and constant pressure valve core with flow regulation and closing functions for two-gear water outlet |
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| CN109707869B true CN109707869B (en) | 2023-11-10 |
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| CN110575917A (en) * | 2019-09-07 | 2019-12-17 | 陈现明 | Multifunctional water control valve core |
| CN113819255A (en) * | 2020-06-19 | 2021-12-21 | 沛乐迪(厦门)卫浴有限公司 | Flow regulator |
| CN117108539B (en) * | 2023-10-18 | 2024-01-02 | 江苏江杭石化工程有限公司 | Independent protection type MVR evaporation balance system |
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| CN101718358A (en) * | 2009-11-24 | 2010-06-02 | 梁增利 | Thermostatic valve core and self-heating metal thermostatic tap made by using same |
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