CN209246413U - A kind of water heater low temperature automatic drainage switch valve - Google Patents
A kind of water heater low temperature automatic drainage switch valve Download PDFInfo
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- CN209246413U CN209246413U CN201822173979.9U CN201822173979U CN209246413U CN 209246413 U CN209246413 U CN 209246413U CN 201822173979 U CN201822173979 U CN 201822173979U CN 209246413 U CN209246413 U CN 209246413U
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- hot water
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Abstract
The utility model discloses a kind of water heater low temperature automatic drainage switch valves, including relief valve, drain valve, and relief valve and drain valve are loose-joint.The utility model and automatic switch class valve are installed along on gas heater, after user has used gas heater, first by automatic switch class valve automatic self-closing gas water supply of water heater.When gas heater hot water outlet pipeline water temperature is lower than setting value, the utility model valve, which automatically opens, is vented the water of Water tank for gas water heater, avoids the occurrence of Water tank for gas water heater bursting by freezing leakage accident.When user uses gas heater, the normal use for guaranteeing gas heater is automatically closed in the utility model valve, and above functions makes user use not only convenient but also safety when gas heater.
Description
Technical field
The utility model belongs to the valve technology field of water heater installation pipeline, and in particular to one kind can extensively should be in hot water
Low temperature automatic drainage switch valve on device product, hereinafter referred to as: water heater low temperature automatic drainage switch valve.
Background technique
When winter temperature is lower, user is using after gas heater, the water knot of Water tank for gas water heater in order to prevent
Frost is split, user needs the artificial cold water inlet valve for closing gas heater, open gas heater cold water water inlet end and
The drain plug or valve at hot water effluent end release the water of Water tank for gas water heater, use it is very inconvenient, once user
It discharges water in low temperature not in time or forgets to discharge water, it is more likely that by Water tank for gas water heater bursting by freezing, great leakage accident occur, give
Subscriber household property brings heavy losses.If there is a kind of valve can be realized following functions: user's gas and hot water after use
First class valve water automatic self-closing gas water heater cold water is automatically switched by water heater after device to supply water (such as: cross certainly using water heater
Any one of the products such as dynamic controlled valve, the fast open form automatic switch valve of water heater), when Water tank for gas water heater pipeline water temperature
After setting value, which, which will automatically turn on, releases the water of Water tank for gas water heater, and the combustion gas in user's normal use
The valve will turn off when water heater, above functions then can to avoid the generation of Water tank for gas water heater bursting by freezing leakage accident,
Keep user not only convenient using gas heater but also safety.
Utility model content
The purpose of this utility model is to provide a kind of water heater low temperature automatic drainage switch valves, to solve above-mentioned background
The problem of being proposed in technology.
In order to achieve the above object, the major technique solution of the utility model is to provide a kind of water heater low temperature automatic draining
Controlled valve, including relief valve, drain valve, which is characterized in that the relief valve and drain valve are loose-joint, the drain valve
Lower end is drain valve cooling water inlet, and upper end is drain valve cooling water outlet, and right end is discharge outlet, is had inside drain valve normally opened unidirectional
Valve.The upper end and drain valve lower end of the relief valve are provided with hexagonal (hexagon)nut, and the relief valve upper end is relief valve hot water inlet,
Lower end is relief valve hot water outlet, and left end is pressure relief opening, has temperature to control pressure relief device inside relief valve.
In some embodiments, there are normally opened check valve, including normally opened unidirectional valve shell inside drain valve, outside normally opened check valve
There is normally opened check valve check lever in shell inner cavity, and rubber gasket is fixed on the side on normally opened check valve check lever close to discharge outlet,
Be on the right side of rubber gasket spring pocket pushed on normally opened check valve check lever normally opened check valve check lever inwardly move to
Open discharge outlet.Normally opened check valve check lever then covers in normally opened one-way valve seat central shaft hole, and normally opened one-way valve seat passes through buckle
Design is fixed on normally opened check valve outer casing bottom most inner side position.There are 0 type circle and discharge outlet internal chamber wall on normally opened unidirectional valve shell
Contact surface is sealed.The bore passages that normally opened unidirectional valve shell outermost has circlip that normally opened single valve shell is fixed on to discharge outlet
Middle work.
In some embodiments, temperature controls pressure relief device, including temperature-sensitive element component, 0 type snare inside relief valve
On the position of temperature-sensitive element component top, gasket, resilient rubbber cushion, piston plate are assembled in the bore passages of pressure relief opening in order
In, there is limbers on piston plate, 0 type circle is sealed the internal chamber wall contact surface of piston plate and pressure relief opening, rubber seal cushion cover
At the top of piston plate, rubber gasket leans against spring, and components above is fixed in relief valve pressure relief opening bore passages by gland
Work, gland are fixed by screw thread and pressure relief opening inner cavity.
In some embodiments, the hexagonal (hexagon)nut of the drain valve of water heater low temperature automatic drainage switch valve and relief valve with
The inside position that is connected is equipped with hexagonal nuts connector, and hexagonal nuts connector position has 0 type circle to be sealed with shell contact surface.
In some embodiments, drain valve cooling water inlet by hexagonal (hexagon)nut with automatic switch class valve cold valves it is cold
Water out is fixedly connected, and the discharge outlet of drain valve is connected by pipeline with the sewer pipe of user family.Relief valve hot water inlet is logical
It crosses hexagonal (hexagon)nut to be fixedly connected with gas heater hot water outlet, relief valve hot water outlet passes through pipeline and automatic switch class valve
Hot water valve hot water inlet be connected, the pressure relief opening of relief valve is communicated with atmosphere, drain valve cooling water outlet pass through pipeline and combustion gas
Water heater cold water import is connected
The utility model beneficial effect is: the utility model and automatic switch class valve are installed along with gas heater
On, after user has used gas heater, first by automatic switch class valve automatic self-closing gas water supply of water heater.When combustion gas heat
When hydrophone hot water effluent's pipeline water temperature is lower than setting value, the utility model valve, which automatically opens, puts the water of Water tank for gas water heater
Sky avoids the occurrence of Water tank for gas water heater bursting by freezing leakage accident.When user uses gas heater, the utility model valve is certainly
Dynamic to close the normal use for guaranteeing gas heater, above functions makes user use not only convenient but also safety when gas heater.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one,
Fig. 2 is the explosive view of the utility model embodiment one,
Fig. 3 is the operation principle schematic diagram of the utility model embodiment one,
Fig. 4 is the operation principle schematic diagram of the utility model embodiment two,
Fig. 1, Fig. 2, Fig. 3: drain valve 23, relief valve 24, drain valve cooling water inlet 25, discharge outlet 26, drain valve cold water go out
Mouth 27, gas heater cooling water inlet 28, gas heater hot water outlet 29, relief valve hot water inlet 30, pressure relief opening 31, pressure release
Valve hot water outlet 32, the one 0 type circle 33, hexagonal (hexagon)nut connector 34, hexagonal (hexagon)nut 35, normally opened unidirectional valve base 36, normally opened list
To valve check lever 37, rubber gasket 38, spring 39, normally opened unidirectional valve shell 40, the second O-ring 41, circlip 42, temperature-sensitive element
Component 43, third O-ring 44, gasket 45, resilient rubbber cushion 46, piston plate 47, the 4th O-ring 48, piston plate spring 49, gland
50, limbers 51.
Lower half portion is the cross automatic switch valve of water heater: hot-water valve 1, Cold water tap 2, hot water inlet in Fig. 3
3, hot water outlet 4, hot-water valve pressure transmits port 5, check valve 6, cooling water outlet 7, cooling water inlet 8, Cold water tap pressure biography
Pass port 9, non-return lever apparatus 10, check lever 12, spring 13, cold water channel mouth 19.
Lower half portion is the fast open form automatic switch valve of water heater: hot-water valve 1, Cold water tap 2, hot water inlet in Fig. 4
3, hot water outlet 4, hot-water valve pressure transmits port 5, check valve 6, cooling water outlet 7, cooling water inlet 8, Cold water tap pressure biography
Pass port 9, non-return lever apparatus 10, check lever 12, spring 13, cold water channel mouth 19, quick-opened valve core 21 opens knob 22A fastly.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
It will be understood by those skilled in the art that in the exposure of the utility model, term " longitudinal direction ", " transverse direction ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore on
Stating term should not be understood as limiting the present invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
The limitation for the quantity that can be interpreted as pair.
The end P1, the end P2 and the end P3 is marked to facilitate description in attached drawing 3, Fig. 4.
Implement illustrate: the major function of the utility model be realize it is automatic for the water tank of gas heater in low temperature
Discharge water function, and realizes that the premise of this function is that the automatic switch water function of gas heater is first realized by automatic switch class valve
Can, i.e., user is automatically opened when using gas heater by automatic switch class valve as gas heater water supply, user's use
It is that gas heater supplies water that stopping, which is automatically closed, by automatic switch class valve when complete gas heater.Stop supplying in gas heater
On the basis of water, then by the utility model realize in low temperature to be the water tank automatic draining function of gas heater, avoids low temperature
When there is into great leakage accident in Water tank for gas water heater bursting by freezing.It the use of automatic switch class valve is also that user is avoided to use
The valve that closing gas heater is forgotten after gas heater, sheet when by automatic switch class valve automatic turning off water to guarantee low temperature
The normal work of utility model.
Embodiment one: the utility model combines installation with gas heater and the cross automatic switch valve of water heater.
The cross automatic switch valve working principle explanation of water heater: the cross automatic switch valve of water heater is in application
National patent (patent No.: 201820970570.7) realization principle has been described in detail in patent book, in this simple declaration:
As shown in Figure 1 to Figure 3, the cross automatic drainage switch of a kind of water heater, including hot-water valve 1, Cold water tap 2.
1 left end of hot-water valve is hot water inlet 3, and lower end is hot water outlet 4, and right end is that hot-water valve pressure transmits port 5, hot water
Check valve 6 is equipped with inside 3 port of import.2 right end of Cold water tap is cooling water outlet 7, and lower end is cooling water inlet 8, and left end is
Cold water tap pressure transmits port 9, and Cold water tap pressure, which is transmitted, is equipped with non-return lever apparatus 10, non-return lever apparatus 10 inside port 9
Including check lever 12, spring 13, cold water channel mouth 19 etc..
Wherein, relief valve hot water inlet 30 is fixedly linked installation by hexagonal (hexagon)nut 35 and gas heater hot water outlet 29
In a position high position, relief valve hot water outlet 32 is connected by pipeline with the hot water inlet 3 of hot-water valve 1, pressure relief opening 31 and atmosphere
It communicates, 3 drain valve cooling water inlet 25 of relief valve hot water inlet is fixed by the cooling water outlet 7 of hexagonal (hexagon)nut 35 and Cold water tap 2
It is connected and is mounted on position low level, drain valve cooling water outlet 27 is connected by pipeline with gas heater cooling water inlet 28, is drained
Mouth 26 is connected in user family's sewer by pipeline.The hot water outlet 4 of hot-water valve 1 is mounted on the hot water that user family reserves within the walls
Pipeline entrance is communicated by hot water line with user's hot water using terminal (such as: tap, water mixing valve, shower faucet).It is cold
The cooling water inlet 8 of penstock 2 is mounted at the cold water tube outlet that user family reserves within the walls and communicates with cold water supplying pipe road.Hot water
The hot water valve pressure transmitting port 5 of valve 1 is communicated with the cold valves pressure of Cold water tap 2 transmitting port 9 by connecting line.
The effect of check valve 6: in the case where hot water terminal is closed, inside water pressure is avoided reversely to leak.Due to check valve 6
Effect, hot water terminal close in the case where, ensure that 4 hydraulic pressure of hot water outlet, the end P3 hydraulic pressure, the end P2 hydraulic pressure, the end P1 hydraulic pressure
In the case where water-heater water tank leak, it will not be guaranteed by the reversed pressure release (P1, P2, P3, which are shown in Fig. 3, to be identified) of hot water inlet
Outside both ends tap water pressure reaches balance in check lever 12, under the effect of 13 buffer brake of spring, moves, closes in check lever 12
Cold water channel mouth 19, stops to water heater for cold water.
When user opens hot water using terminal, hot water is flowed out from the hot water outlet 4 of hot-water valve, 4 hydraulic pressure of hot water outlet
Pressure release, the identical also pressure release simultaneously of the end P3, P2 hydraulic pressure, the end P1 hydraulic pressure is identical as running water pressure, and the end P1 hydraulic pressure pressure is greater than the end P2 water
The sum of pressure pressure and 13 buffer brake of spring, check lever 12 is moved out to the side P2, open cold water channel mouth 19, cold water through cold water into
Mouth 8, check lever 12, cold water channel mouth 19, cooling water outlet 7 is to water heater for cold water, and water heater working heating, cold water, which heats, to be become
Hot water.Hot water finally reaches user's hot water using terminal through hot water inlet 3, check valve 6, hot water outlet 4.
When user closes hot water using terminal, 4 water of hot water outlet stops flowing, final 4 hydraulic pressure of hot water outlet, the end P3 water
Pressure, the end P2 hydraulic pressure, the end P1 hydraulic pressure are all equal with tap water hydraulic.The hydraulic pressure pressure at outside both ends reaches balance in check lever 12,
Under the effect of 13 buffer brake of spring, check lever 12 moves right, and closes cold water channel mouth 19, stops to water heater for cold water.
Illustrate: check lever 12 has reversed cold water infiltration special designing, and reversed cold water infiltration design flow will guarantee not shadow
The normal leaving water temperature of user's hot water is rung to use.It is seeped water by reversed cold water, even if in the case where water heater has already appeared water leakage situation, only
It wants user to close hot water using terminal, 4 hydraulic pressure of hot water outlet, the end P3 hydraulic pressure, the end P2 hydraulic pressure, the end P1 hydraulic pressure can also passed through reversed
Cold water infiltration design is final equal, guarantees that outside both ends hydraulic pressure pressure reaches balance in check lever 12, in 13 buffer brake of spring
Under effect, check lever 12 is inwardly moved, and is closed cold water intake tunnel mouth 19, is stopped to water heater for cold water.
It is above exactly the working principle of the cross automatic switch valve of water heater, user is when terminal uses hot water, hot water
The cross automatic switch valve of device will automatically turn on as gas heater water supply, when user closes hot water using terminal, water heater
Cross automatic switch valve will turn off gas heater water supply.
The working principle of the automatic draining of the utility model illustrates:
Such as Fig. 3: for user when having used gas heater, the cross automatic switch valve Cold water tap 2 of water heater is automatic
It opens, inner cavity of the cold water through 2 cooling water outlet 7 of Cold water tap, the entrance drain valve 23 of drain valve cooling water inlet 25, inside drain valve 23
Normally opened check valve check lever 37 tap water pressure effect under close discharge outlet 26, cold water by drain valve cooling water outlet 27 into
Enter gas heater cooling water inlet 28, after gas heater heats, cold water becomes hot water and goes out by gas heater hot water
Enter 24 inner cavity of relief valve after mouth 29, because the hot water temperature of gas heater is much higher than the setting that temperature-sensitive element component 43 acts
Value, the heated piston plate 47 that expands against outward of temperature-sensitive element component 43 closes pressure relief opening 31, to guarantee gas heater just
It is often used.What is illustrated is that only environment temperature is very low in winter for temperature-sensitive element component 43, and tap water temperature is lower than setting value
When, temperature-sensitive element component 43 can just be cooled retraction opening pressure relief opening 31. under daily environment temperature, and tap water temperature is higher,
Temperature-sensitive element component 43 is constantly in outside swelling state, and pressure relief opening 31 is one to be directly subordinate to closed state.
For user after having used gas heater, the cross automatic switch valve of water heater will turn off gas heater
Water supply.When winter environment is very low, when the pipeline water temperature of gas heater hot water outlet 29 is dynamic lower than temperature-sensitive element component 43
When making setting value, temperature-sensitive element component 43 is cooled inwardly to bounce back and retracts piston plate 47, so that opening pressure relief opening 31 carries out pressure release,
At this moment Water tank for gas water heater loine pressure declines and communicates with atmosphere, at this moment the normally opened check valve check lever inside drain valve 23
37 will inwardly move to open discharge outlet 26 under the thrust of spring 39, because of the pressure relief opening 31 and drain valve of relief valve 24
23 discharge outlet 26 forms height gravity-head H in installation site, and the water in Water tank for gas water heater will by siphonage
It is emptied by discharge outlet 26, the water of discharge is discharged in user family's sewer through connecting line, and the utility model realizes automatic draining
Function.
Embodiment two: the utility model combines installation with gas heater and the fast open form automatic switch valve of water heater.
As shown in Figure 1, Figure 2 and Figure 4, embodiment is first is that with gas heater and the cross automatic switch valve phase of water heater
Connection installation, the implementation case is connected with gas heater and the fast open form automatic switch valve of water heater, and the two is opened automatically
The principle of Guan Shui is identical, and being a difference in that in the cross automatic switch valve of water heater does not have quick-opened valve core, and water heater
The hot water exit of fast open form automatic switch valve is equipped with quick-opened valve core, can also be with other than having the function of automatic switch water
It is manually rotated by user and opens knob fastly and forcibly close valve water supply, the pipeline installation connection type and automatic switch of the implementation case
And the working principle to discharge water is identical with case study on implementation one, can refer to content described in above embodiments one.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is all that there is same as the present application or phase
Approximate technical solution, all falls within the protection scope of the utility model.
Claims (6)
1. a kind of water heater low temperature automatic drainage switch valve, including drain valve (23), relief valve (24), which is characterized in that institute
Stating drain valve (23) and relief valve (24) is loose-joint, and drain valve (23) lower end is drain valve cooling water inlet (25), on
End is drain valve cooling water outlet (27), and right end is discharge outlet (26), has normally opened check valve, the relief valve inside drain valve (23)
(24) upper end and drain valve (23) lower end is provided with hexagonal (hexagon)nut (35), relief valve (24) upper end be relief valve hot water into
Mouth (30), lower end are relief valve hot water outlet (32), and left end is pressure relief opening (31), have temperature control inside the relief valve (24)
Pressure relief device.
2. water heater low temperature automatic drainage switch valve according to claim 1, which is characterized in that the normally opened check valve
Including normally opened unidirectional valve shell (40), there are normally opened check valve check lever (37), rubber in normally opened unidirectional valve shell (40) inner cavity
Gasket (38) is fixed on the side on normally opened check valve check lever (37) close to discharge outlet (26), the right side of rubber gasket (38)
Side be spring (39) cover pushed on normally opened check valve check lever (37) normally opened check valve check lever (37) inwardly movement to opening
It opens discharge outlet (26), the normally opened check valve check lever (37) covers in normally opened one-way valve seat (36) central shaft hole, described normally opened
One-way valve seat (36) is fixed on normally opened unidirectional valve shell (40) bottom most inner side position, the normally opened check valve by click-on design
There is the 2nd 0 type circle (41) to be sealed on shell (40) with discharge outlet (26) internal chamber wall contact surface, the normally opened unidirectional valve shell
(40) outermost has circlip (42) to be fixed on normally opened unidirectional valve shell (40) in the bore passages of discharge outlet (26) and works.
3. water heater low temperature automatic drainage switch valve according to claim 1, which is characterized in that the temperature control is let out
Pressure device includes: temperature-sensitive element component (43), the 3rd 0 type circle (44), gasket (45), resilient rubbber cushion (46) and piston plate
(47), the 3rd 0 type circle (44) covers on the position of temperature-sensitive element component (43) top, the gasket (45), resilient rubbber cushion
(46), piston plate (47) is assembled in order in the bore passages of pressure relief opening (31), has limbers on the piston plate (47)
(51), the 4th 0 type circle (48) is sealed piston plate (47) and the internal chamber wall contact surface of pressure relief opening (31), rubber gasket
(38) it covers at the top of piston plate (47), rubber gasket (38) leans against spring (39), and component described above is solid by gland (50)
It is scheduled in pressure relief opening (31) bore passages and works, gland (50) is fixed by screw thread and pressure relief opening (31) inner cavity.
4. water heater low temperature automatic drainage switch valve according to claim 1, which is characterized in that the drain valve (23)
And the hexagonal (hexagon)nut (35) of relief valve (24) position that is connected with inside is equipped with hexagonal nuts connector (34), hexagonal nuts connector
(34) the one 0 type circle (33) is sealed at shell contact surface.
5. water heater low temperature automatic drainage switch valve according to claim 1, which is characterized in that the drain valve cold water
Import (25) is fixedly connected by hexagonal (hexagon)nut (35) with the cooling water outlet (7) for the cold valves for being automatically switched class valve, drain valve
(23) discharge outlet (26) is connected by pipeline with the sewer pipe of user family, and the relief valve hot water inlet (30) passes through hexagonal
Nut (35) is fixedly connected with gas heater hot water outlet (29), and relief valve hot water outlet (32) passes through pipeline and automatic switch
The hot water valve water inlet of hot water (3) of class valve is connected, and the pressure relief opening (31) of relief valve (24) is communicated with atmosphere, and drain valve cold water goes out
Mouth (27) is connected by pipeline with gas heater cooling water inlet (28).
6. water heater low temperature automatic drainage switch valve according to claim 1, which is characterized in that the water heater refers to combustion
Gas water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173979.9U CN209246413U (en) | 2018-12-24 | 2018-12-24 | A kind of water heater low temperature automatic drainage switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173979.9U CN209246413U (en) | 2018-12-24 | 2018-12-24 | A kind of water heater low temperature automatic drainage switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209246413U true CN209246413U (en) | 2019-08-13 |
Family
ID=67534343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822173979.9U Active CN209246413U (en) | 2018-12-24 | 2018-12-24 | A kind of water heater low temperature automatic drainage switch valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN209246413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351226A (en) * | 2018-12-24 | 2020-06-30 | 台州旭升卫浴有限公司 | Low-temperature automatic water drainage switch valve of water heater |
| CN112325988A (en) * | 2020-11-04 | 2021-02-05 | 安徽安广电气有限公司 | Safe pressure-relief pollution-discharge magnetic turning plate liquid level meter |
-
2018
- 2018-12-24 CN CN201822173979.9U patent/CN209246413U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351226A (en) * | 2018-12-24 | 2020-06-30 | 台州旭升卫浴有限公司 | Low-temperature automatic water drainage switch valve of water heater |
| CN111351226B (en) * | 2018-12-24 | 2024-04-09 | 台州旭升卫浴有限公司 | Low-temperature automatic water-discharging switch valve of water heater |
| CN112325988A (en) * | 2020-11-04 | 2021-02-05 | 安徽安广电气有限公司 | Safe pressure-relief pollution-discharge magnetic turning plate liquid level meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 318050 Jinlian village, Pengjie Town, Luqiao District, Taizhou City, Zhejiang Province (within Luqiao Xinrong water heating Co., Ltd.) Co-patentee after: QINGDAO GUANTAO SANITARY WARE Co.,Ltd. Patentee after: Taizhou Xusheng Sanitary Ware Co., Ltd Address before: The three District Luqiao District Xuri Peng Jie Zhen Village in Taizhou city Zhejiang province 318050 No. 26 Co-patentee before: QINGDAO GUANTAO SANITARY WARE Co.,Ltd. Patentee before: TAIZHOU XUSHENG SANITARY WARE Co.,Ltd. |
|
| CP03 | Change of name, title or address |