GB2575160A - Thermostatic faucet and unibody plastic molded water mixing assembly for same - Google Patents
Thermostatic faucet and unibody plastic molded water mixing assembly for same Download PDFInfo
- Publication number
- GB2575160A GB2575160A GB201906478A GB201906478A GB2575160A GB 2575160 A GB2575160 A GB 2575160A GB 201906478 A GB201906478 A GB 201906478A GB 201906478 A GB201906478 A GB 201906478A GB 2575160 A GB2575160 A GB 2575160A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- water inlet
- valve core
- notch
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/202—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with concentric handles
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/0408—Water installations especially for showers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/021—Devices for positioning or connecting of water supply lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/207—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with two handles or actuating mechanisms at opposite sides of the housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
- G05D23/1306—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids
- G05D23/132—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element
- G05D23/134—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid
- G05D23/1346—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid with manual temperature setting means
- G05D23/1353—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid with manual temperature setting means combined with flow controlling means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K3/00—Baths; Douches; Appurtenances therefor
- A47K3/28—Showers or bathing douches
Abstract
A water mixing assembly e.g. for a shower faucet, having a unitary plastic body 100 with a first internal channel 4 running parallel to a second internal channel 7 both extending in straight line along the length of the body, a first inlet 2 located at a radial position on the first channel at a first end of the body, a first external through portion 41 located at the first end of the body in communication with the channel, a second external through portion 612 located at a radial portion on the first channel at a second end of the body, the second end of the body including a thermostatic valve core chamber 6 in commination the second internal channel 7, and in communication with the first channel via a first notch 61 and a second water inlet 3 via a second notch 62, the second inlet and second through portion being separated, a switch valve core chamber 9 being located at the first end of the body in communication with the second internal channel 7 and including a water outlet 8.
Description
THERMOSTATIC FAUCET AND UNIBODY PLASTIC MOLDED WATER MIXING ASSEMBLY FOR SAME
The invention relates to the field of sanitary device. More particularly, the invention relates to thermostatic faucet assemblies and internal faucet waterway assemblies, wherein a portion of the internal waterway assembly of the faucet is unibody plastic.
The traditional water mixing faucet body is made of copper through casting which is followed by mechanical processing and electroplating. Because the waterway structure inside the thermostatic body is complex, and it is often designed as a partition between waterways, during the copper casting process, since the wall thickness of the partition portion is relatively thin during the casting process, when the copper water flows in, it is easy to generate gas, which is difficult to discharge, resulting in a trapped gas phenomenon, causing the internal partition plate to be easily short of material or has pores, thus invisibly reducing the yield rate in the casting, leading to higher cost of the entire thermostatic body.
With the maturity of use of plastic materials as water pipelines, there has been a thermostatic body like a splicing of plastic and metal parts on the market, and later a body of pure plastic structure has appeared. Although compared with the water mixing faucet made of pure copper, this type of structure has reduced manufacturing cost, due to the design of the waterway in the main body of the water mixing faucet, the water outlet is often disposed at the middle of the two water inlets, so it is often required to perform block forming and then welding, thus manufacturing process is complicated, and manufacturing cost is high.
A first object of the present invention is to provide a unibody plastic molded water mixing assembly which is simple in manufacturing process and low in manufacturing cost. The plastic water mixing assembly has been disclosed in claim 1, and more optimized solutions have been disclosed in claims 2 to 5. According to the above designs, since the first water inlet channel and the mixed-water channel are disposed in parallel, spaced and linearly disposed along the axis of the body, and at least one end is in communication with the outside, the through portion facilitates demolding of the mold during injection molding. At the same time, a switch valve core chamber and a thermostatic valve core chamber are respectively arranged at both ends of the mixedwater channel, and a water outlet is arranged in the radial direction of the switch valve core chamber in a pioneering manner instead of at the middle of a first water inlet and a second water inlet, so it is possible to provide a single water circuit in the mixed-water channel. At the same time, a first water inlet, a second external through portion and a second water inlet are arranged in the radial direction of the body. Since the second external through portion and a first notch are arranged such that their vertical projections overlap each other, and the second water inlet and a second notch are arranged such that their vertical projections overlap each other, demolding is also facilitated during the injection molding concerning the first water inlet, the second external through portion, the first notch, the second water inlet and the second notch, so the water mixing assembly can be formed by unibody plastic injection-molded, which greatly simplifies the manufacturing process and improves the production efficiency, ultimately reducing the manufacturing cost.
A second object of the present invention is to provide a water mixing thermostatic faucet made by using the above-mentioned plastic water mixing assembly. The specific structure of the water mixing thermostatic faucet is disclosed in claim 6, and a more optimized solution is disclosed in claim 7. By adopting the water mixing thermostatic faucet, its plastic water mixing assembly comprises a first water inlet, a second water inlet, a thermostatic valve core chamber, a switch valve core chamber and a water outlet, so the plastic water mixing assembly can be nested into an outer casing with different shapes by installing the first water inlet component onto the first water inlet, installing the second water inlet component onto the second water inlet, installing the water outlet component onto the water outlet, disposing the thermostatic valve core in the thermostatic valve core chamber, and disposing the switch valve core in the switch valve core chamber. In this way, it is possible to manufacture different types of water mixing thermostatic faucet at low a cost to meet diverse market demands.
Fig. 1 is an exploded perspective view of the water mixing thermostatic faucet of the present invention.
Fig. 2 is a component diagram of a water mixing thermostatic faucet of the present invention.
Fig. 3 is a half cross-sectional view showing the plastic water mixing assembly of the present invention.
Fig. 4 is a schematic cross-sectional view of the water mixing thermostatic faucet of the present invention after being assembled.
As shown in Fig. 3, an unibody plastic molded water mixing assembly 100 comprises a body 1 which is integrally formed of plastic or plastic cement. The body 1 is provided with a first water inlet 2 constituting a hot-water inlet, a first water inlet channel 4, a second water inlet 3 constituting a cold-water inlet, a thermostatic valve core chamber 6, a mixed-water channel 7, a water outlet 8 and a switch valve core chamber 9. A mixedwater channel 7 is arranged along the axis of body 1, and the mixed-water channel 7 is provided with a thermostatic valve core chamber 6 at one end and a water outlet 8 at the other end. The switch valve core chamber 9 is provided beside the water outlet 8. A first notch 61 and a second notch 62 are provided on the side wall of the thermostatic valve core chamber 6. The thermostatic valve core chamber 6 is in communication with the first water inlet channel 4 through the first notch 61. The first water inlet channel 4 is also disposed along the axis of the body 1 and is isolated from the mixed-water channel 7. The first water inlet channel 4 extends linearly to the other end of the body 1 and is in communication with the outside to form a first external through portion 41. A through groove 611 is arranged perpendicular to the first notch 61. The through groove 611 extends to the outer wall of the body 1 and is in communication with the outside to form a second external through portion 612. The second notch 62 is in communication with the second water inlet 3 of the side wall. The first water inlet 2, the second water inlet 3 and the through groove 611 are disposed on the same side of the body 1.
After the unibody plastic molded water mixing assembly 100 is made, the mold forming the first water inlet channel 4 is taken out from the first external through portion 41, the mold forming the first notch 61 of the thermostatic valve core chamber 6 is taken out from the second external through portion 612, the mold forming the second notch 62 of the thermostatic valve core chamber 6 is taken out from the second water inlet 3, the mold forming the mixed-water channel 7 can also be easily taken out through the thermostatic valve core chamber 6 or the switch valve core chamber 9, the mold forming the water outlet 8 can also be easily taken out from the water outlet 8, thus the unibody plastic molded water mixing assembly 100 can be integrally formed, the manufacturing process is simple, the production efficiency is high, and the manufacturing cost is low.
As shown in Fig. 1, Fig. 2 and Fig. 4, a water mixing thermostatic faucet comprises a unibody plastic molded water mixing assembly 100. The first water inlet 2 of the unibody plastic molded water mixing assembly 100 is provided with a first water inlet component 21, the second water inlet 3 is provided with a second water inlet component 31, and the water outlet 8 is provided with a water outlet component 81. The first external through portion 41 is provided with a first end cap 42 and the second external through portion 612 is provided with a second end cap 613. The thermostatic valve core chamber 6 is provided with a thermostatic valve core 10, two water inlets 101 of the thermostatic valve core 10 are respectively connected to the first notch 61 and the second notch 62, and the switch valve core chamber 9 is provided with a switch valve core 91 for controlling the on/off of the water outlet component 81.
The inner cavity of the outer casing 11 is axially penetrated, and a first water inlet hole 112, a second water inlet hole 113 and a water outlet open slot 114 are disposed on the outer casing. The water outlet open slot 114 is disposed at one end of the outer casing 11 to form a lateral slot 1141 including an open end. The outer portion of the body 1 of the unibody plastic molded water mixing assembly 100 is further provided with a limiting rib 110. When the unibody plastic molded water mixing assembly 100 is inserted into the inner cavity through which the outer casing 11 penetrates, by means of pre-tightening fitting between the limiting rib 110 and the outer casing 11, it is ensured that the unibody plastic molded water mixing assembly 100 is stably disposed in the cavity of the outer casing 11. At this time, the first water inlet hole 112 is opposite to the first water inlet 2, the second water inlet hole 113 is opposite to the second water inlet 3, and the water outlet open slot 114 is opposite to the water outlet 8.
Further, a valve core cover 12 is further disposed at both ends of the outer casing 11, the valve core cover 12 corresponding to the water outlet open slot 114 is further provided with a decorative protrusion 121. The front end of the decorative protrusion 121 is a circular arc shape, and after assembling the circular arc shape 1142 of the water outlet open slot 114 cooperates to form a circular shape for covering the hollow portion of the water gap 114.
By adopting the above-mentioned water mixing thermostatic faucet, the first water inlet 2 on the unibody plastic molded water mixing assembly 100 and the first notch 61 form a first waterway, and the second water inlet 3 and the second notch 62 form a second waterway. The first waterway and the second waterway are independent of each other and are respectively introduced into the two water inlets 101 inside the thermostatic valve core. Then the mixed-water formed by the thermostatic valve core 10 flows into the mixed-water channel 7, and finally the mixed-water flow out through the water outlet 8 by switching the switch valve core 9 to control the on/off of the waterway.
When the outer casing 11 is damaged and needs to be replaced, the outer casing 11 of the unibody plastic molded water mixing assembly 100 is simply removed, and the valve core cover 12, the first water inlet component 21, the second water inlet component 31, the water outlet component 81, the switch valve core 91 and the thermostatic valve core 10 are removed, leaving the unibody plastic molded water mixing assembly 100 and the outer casing 11. The unibody plastic molded water mixing assembly 100 and the outer casing 11 only need to be disassembled in reverse, then they can be separated from each other, and then the outer casing 11 can be replaced with a new one, and a new valve core cover can also be used for replacement to match a new outer casing. After that the relevant valve core and component are assembled step by step, and the faucet can be used still, making it easier to replace the outer casing. Of course, when a purchaser wants to purchase different types of water mixing thermostatic faucets, a manufacturer can use the same water mixing assembly 100 to assemble different shapes of outer casing 11 to manufacture a water mixing thermostatic faucet with different shapes.
The above-described embodiments and illustrations are not intended to limit the scope of the invention, and any suitable variations and modifications of the invention will be apparent to those skilled in the art, so they should not be considered as departing from the patent scope of the invention.
Claims (7)
1. A unibody plastic molded water mixing assembly, wherein comprising a body within which a first water inlet channel and a mixed-water channel are arranged in parallel; the first water inlet channel is arranged in a straight line, one end being in communication with the outside to form a first external through portion, the radial position of the other end being provided with a second external through portion which is in communication with the outside, the radial position of the first water inlet channel being further provided with a first water inlet being in communication therebetween, the first water inlet being located at a side of the first external through portion which is close to the first water inlet channel;
the mixed-water channel is also arranged in a straight line along the axis of the body, one end being provided with a thermostatic valve core chamber for placing a thermostatic valve core, the inner cavity wall of the thermostatic valve core chamber being provided with a first notch and a second notch respectively from inside to outside, the first notch being located below the second external through portion and in a vertical projection area of the second through portion, a second water inlet being disposed above the second notch, the second notch being also located in a vertical projection area of the second water inlet, meanwhile the second external through portion being separated from the second water inlet, a switch valve core chamber for placing a switch valve core being arranged on the other end of the mixed-water channel, at least one water outlet being provided in the switch valve core chamber.
2. The unibody plastic molded water mixing assembly according to claim 1, wherein the first water inlet, the second water inlet and the second external through portion are all located at a radial position of the first water inlet channel and its extension line, and the water outlet is located at a radial position of the switch valve core chamber.
3. The unibody plastic molded water mixing assembly according to claim 2, wherein the first water inlet, the second water inlet and the second external through portion are all located on a same side of the body, and their level cross-sections fall on a same plane.
4. The unibody plastic molded water mixing assembly according to claim 1, wherein the first water inlet is a hot-water inlet and the second water inlet is a cold-water inlet.
5. The unibody plastic molded water mixing assembly according to claim 1, wherein the outer side wall of the body is provided with a plurality of limiting ribs for abutting against the inner wall of the outer casing.
6. A water mixing thermostatic faucet wherein comprising:
unibody plastic molded water mixing assembly according to any one of the preceding claims, the first water inlet of the plastic water mixing assembly being provided with a first water inlet component, the second water inlet being provided with a second water inlet component, the water outlet being provided with a water outlet component, the first external through portion being provided with a first end cap, the second external through portion being provided with a second end cap, a thermostatic valve core being provide in the thermostatic valve core chamber, two water inlets of the thermostatic valve core being respectively connected to the first notch and the second notch, the switch valve core chamber being provided with a switch valve core for controlling the on/off of the water outlet components; and an outer casing, the inner cavity of the outer casing being axially penetrating, the outer casing being provided with a first water inlet hole, a second water inlet hole and a water outlet open slot, the water outlet open slot being disposed at one end of the outer casing to form a lateral notch with an open end, the first water inlet hole being opposite to the first water inlet and the second water inlet hole being opposite to the second water inlet and the water outlet open slot being opposite to the water outlet when the plastic water mixing assembly is nested into the outer casing, the first water inlet and the first notch form a first waterway, the second water inlet and the second notch form a second waterway, the first waterway and the second waterway are independent of each other and respectively flow into two water inlets inside the thermostatic valve core, the mixedwater formed by the thermostatic valve core flows into the mixed-water channel, and then the mixed-water is discharged outward through the water outlet by controlling the on/off of the waterways through the switch valve core.
7. The water mixing thermostatic faucet according to claim 6, wherein a valve core cover is further disposed at both ends of the outer casing, the valve core cover on the side of the water outlet open slot being further provided with a decorative protrusion, the decorative protrusion being used to cover just the hollow portion of the water 5 notch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820700503.3U CN208281567U (en) | 2018-05-11 | 2018-05-11 | A kind of mixed water main structure of Removeable housing |
| CN201820700521.1U CN208252875U (en) | 2018-05-11 | 2018-05-11 | Integrated plastic mixes water main structure |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| GB201906478D0 GB201906478D0 (en) | 2019-06-19 |
| GB2575160A true GB2575160A (en) | 2020-01-01 |
| GB2575160B GB2575160B (en) | 2020-07-01 |
| GB2575160B8 GB2575160B8 (en) | 2020-12-02 |
Family
ID=67385051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1906478.1A Active GB2575160B8 (en) | 2018-05-11 | 2019-05-08 | Thermostatic faucet and unibody plastic water mixing assembly for same |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR3081038B3 (en) |
| GB (1) | GB2575160B8 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3945229A1 (en) * | 2020-07-29 | 2022-02-02 | Fujian Xihe Sanitary Ware Technology Co., Ltd. | Valve and shower device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217355675U (en) * | 2022-04-29 | 2022-09-02 | 漳州松霖智能家居有限公司 | Shower bath |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207298009U (en) * | 2017-08-16 | 2018-05-01 | 路达(厦门)工业有限公司 | A kind of glove constant-temperature tap body construction |
-
2019
- 2019-05-08 GB GB1906478.1A patent/GB2575160B8/en active Active
- 2019-05-09 FR FR1904822A patent/FR3081038B3/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207298009U (en) * | 2017-08-16 | 2018-05-01 | 路达(厦门)工业有限公司 | A kind of glove constant-temperature tap body construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3945229A1 (en) * | 2020-07-29 | 2022-02-02 | Fujian Xihe Sanitary Ware Technology Co., Ltd. | Valve and shower device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3081038B3 (en) | 2020-05-29 |
| GB2575160B (en) | 2020-07-01 |
| GB2575160B8 (en) | 2020-12-02 |
| GB201906478D0 (en) | 2019-06-19 |
| FR3081038A3 (en) | 2019-11-15 |
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