CN212718166U - Water-proof sheet type paraffin thermostatic valve core with closing function - Google Patents
Water-proof sheet type paraffin thermostatic valve core with closing function Download PDFInfo
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- CN212718166U CN212718166U CN202020854975.1U CN202020854975U CN212718166U CN 212718166 U CN212718166 U CN 212718166U CN 202020854975 U CN202020854975 U CN 202020854975U CN 212718166 U CN212718166 U CN 212718166U
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Abstract
A water-resisting sheet type paraffin thermostatic valve core with a closing function comprises an upper shell, a lower shell, an adjusting piece, a guide piece, a return spring and a paraffin thermostatic assembly, wherein the adjusting piece is arranged at the upper end of the upper shell, the guide piece can be arranged in the upper shell in a vertically moving mode, and is in threaded connection with the guide piece; the paraffin constant temperature component is provided with a temperature bulb and an ejector rod; the water-proof ring is provided with a water-proof sheet with a Y-shaped section; the lower shell is provided with a cold water inlet groove, a cold water sealing water cavity, a hot water inlet groove, a hot water sealing water cavity, a cold water inlet channel, a hot water inlet channel, a piston cavity, a mixed water cavity and a spring position, wherein the hot water inlet groove is arranged below the cold water inlet groove; the piston is provided with a cold water sealing ring groove, a hot water sealing ring groove, a water-resisting ring groove and a water-passing groove; the movable ceramic chip is provided with an upper cold water inlet, an upper hot water inlet and an upper water outlet.
Description
Technical Field
The utility model belongs to the technical field of tap, especially, relate to a water proof piece formula paraffin thermostatic cartridge who loads in tap inside area shutdown function.
Background
The structure for adjusting the water inlet size of cold water and hot water in the existing common thermostatic valve core is that a piston capable of moving left and right is arranged in a valve core shell, a sealing ring is sleeved on the piston and used for isolating cold water and hot water, and the international standard of a thermostatic valve core faucet set for the safety of a user is achieved by tightly attaching the end surface of the piston to a water sealing surface in an upper shell or a lower shell, namely, when one end of the piston stops water suddenly, the other end of the piston automatically closes after a small amount of water in an allowable range flows out; the valve core shell and the piston are generally made of copper or plastic. The thermostatic cartridge made of the above structure or material has the following problems:
1. the sealing washer generally is the rubber material, has certain frictional resistance under normal conditions, causes the piston to remove the bite, and rubber material soaks the back for a long time, bloates easily, ages, can lead to frictional resistance bigger, makes constant temperature valve core inefficacy easily, and life is not long.
2. The sealing ring moves relatively along with the piston and the shell, impurities rush to the middle of the shell and the piston to rub, the sealing ring on the piston is easily cut, the service life of the sealing ring is greatly shortened, cold water and hot water are mixed after the sealing ring does not achieve the sealing effect, and the hot water or cold water stopping effect cannot be achieved when the cold water or the hot water does not exist.
3. Because of the influence of structure, material, the removal of piston always has great resistance, and the existence of this resistance can lead to the thermostatic cartridge effect of adjusting the temperature very poor, if adjust the temperature reaction rate slowly, goes out behind the water temperature high or low on the low side, generally needs 5 seconds to 8 seconds to reach predetermined constant temperature again, and the fluctuation process that suddenly changes is suddenly high also can appear in the process of adjusting the temperature, and this can influence the comfort level that the customer used this type of thermostatic cartridge tap.
4. In order to automatically close the piston after the hot water flows out of a small amount of water within an allowable range when cold water is suddenly stopped, two end faces of the piston and water sealing surfaces in the upper shell and the lower shell are required to be very flat, and the two end faces of the piston are required to be precisely ground in general, so that the production process and the process difficulty are increased.
5. Inside rivers need can flow into the case through the terminal surface of piston and last casing or the lower internal gap between the water face of sealing of casing, two terminal surfaces of piston all directly received into water's pressure, will appear when the pressure ratio of cold/hot water is higher than 2 that the error of adjusting the temperature is bigger and bigger, can not adjust the temperature at all even along with the higher error of adjusting the temperature of pressure ratio at cold/hot water can be bigger and bigger.
6. Because the clearance between the two end surfaces of the piston and the water sealing surfaces in the upper shell and the lower shell is only about 40 to 50 threads, impurities with the diameter larger than 50 threads cannot pass through, and the flow is influenced and even water cannot be discharged after a long time.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a process of adjusting the temperature is smooth and easy, and long service life ensures that the constant temperature goes out the water proof piece formula paraffin thermostatic cartridge of function of taking to close.
In order to achieve the above object, the utility model provides a water proof piece formula paraffin thermostatic cartridge of function is closed in area, including last casing, lower casing, regulating part, guide, reset spring, paraffin constant temperature subassembly, the casing upper end is located to the regulating part, and the setting that the guide can reciprocate is in last casing, and regulating part spiro union in guide, its characterized in that: the device also comprises a piston, a cold water seal water ring, a hot water seal water ring, a water isolation ring, a movable ceramic sheet, a static ceramic sheet, an outer shell and a base;
the paraffin constant temperature component is provided with a temperature bulb and an ejector rod; the water-proof ring is provided with a water-proof sheet with a Y-shaped section; the lower shell is provided with a cold water inlet groove, a cold water sealing water cavity, a hot water inlet groove, a hot water sealing water cavity, a cold water inlet channel, a hot water inlet channel, a piston cavity, a mixed water cavity and a spring position, wherein the hot water inlet groove is arranged below the cold water inlet groove; the piston is provided with a cold water sealing ring groove, a hot water sealing ring groove, a water-resisting ring groove and a water-passing groove; the movable ceramic chip is provided with an upper cold water inlet, an upper hot water inlet and an upper water outlet; the static ceramic chip is provided with an inter-cooling water inlet, a middle hot water inlet and a middle water outlet; the base is provided with a lower cold water inlet, a lower hot water inlet and a lower water outlet;
the cold water sealing water ring is arranged in the cold water sealing water ring groove, the hot water sealing water ring is arranged in the hot water sealing water ring groove, the water isolating ring is arranged in the water isolating ring groove, the paraffin constant temperature component is in threaded connection with the lower end of the piston, the ejector rod extends out of the upper end of the piston, the piston is arranged in the piston cavity, the ejector rod abuts against the guide piece, the lower shell is fixed with the upper shell, and the reset spring is arranged in the mixed water cavity and between the paraffin constant temperature component and the spring position; wherein the piston is axially movable in the piston cavity; the movable ceramic sheet is arranged below the lower shell and fixed with the lower shell, wherein the cold water inlet channel is opposite to the upper cold water inlet, the hot water inlet channel is opposite to the upper hot water inlet, and the upper water outlet is opposite to the mixed water cavity; the static ceramic chip is arranged below the movable ceramic chip, wherein the upper cold water inlet is opposite to the middle cold water inlet, the upper hot water inlet is opposite to the middle hot water inlet, and the middle water outlet is opposite to the upper water outlet; the base is arranged below the static ceramic chip, wherein the middle cold water inlet is opposite to the lower cold water inlet, the middle hot water inlet is opposite to the lower hot water inlet, the lower water outlet is opposite to the middle water outlet, and the outer shell is sleeved on the lower shell and fixed with the base;
the movable ceramic chip can rotate relative to the fixed ceramic chip and can rotate to the maximum extent to ensure that the upper cold water inlet and the middle cold water inlet are completely staggered, and the upper hot water inlet and the middle hot water inlet are completely staggered; wherein the cold water sealing water ring, the hot water sealing water ring and the water isolating ring are made of elastic colloid;
when the adjusting piece is rotated to enable the guide piece to move upwards, the return spring enables the piston to move upwards, and the cold water sealing ring can be completely moved upwards into the cold water sealing cavity to the maximum extent;
when the adjusting piece is rotated to enable the guide piece to move downwards, the ejector rod enables the piston to move downwards, and the hot water sealing water ring can be completely moved downwards into the hot water sealing water cavity to the maximum extent;
as the utility model discloses a water proof piece formula paraffin thermostatic cartridge's of function is closed in area improvement, its further characteristic is: the cold water seal water ring, the hot water seal water ring and the water isolation ring are integrated.
The utility model has the advantages that: compared with the prior art, the utility model has the advantages that;
1. the utility model provides a water proof circle and corresponding piston move the resistance very little in the piston chamber, and its removal sensitivity is very high, and during the temperature regulation, the fluctuation range of play water temperature is less, can react rapidly and adjust into constant temperature and go out water, lower or higher temperature's play water can not appear, and then has guaranteed constant temperature play water effect all the time.
2. The effective life who seals circle commonly used and correspond the piston only is half a year, and the utility model provides a water proof circle can use more than 10 years, has improved the life of the thermostatic cartridge of built-in this water proof circle greatly, reduces the user and changes the dress number of times, practices thrift the cost of life.
3. The utility model discloses an utilize the water seal circle to remove to make in the water seal chamber to seal the water circle and hug closely water seal intracavity wall and seal water, because the space of the water service trough on water seal chamber and the piston is very big relatively, and the water inlet between intake chamber and the water seal circle is less relatively, so water pressure most has been let out when rivers get into the piston inside, two terminal surfaces of piston do not directly receive the initial pressure of intaking, so the precision that adjusts the temperature when the intake pressure ratio of cold/hot water is higher than 20 also can not change.
4. The utility model discloses can utilize and rotate the regulating part and make the cold water intake chamber and the whole opening of hot water intake chamber, and the width of cold water intake chamber and hot water intake chamber is about 2 millimeters probably, and the impurity below the diameter 2 millimeters can discharge after flowing into the mixing water chamber through cold water intake chamber and hot water intake chamber, can not influence the flow after the time has been of a specified duration and can not plug up yet.
In a word, the utility model provides a water proof piece formula paraffin thermostatic cartridge of function is closed in area has that accommodation process is smooth and easy, and long service life ensures that constant temperature goes out water, and production and processing is convenient simple, advantages such as range of application is wide.
Drawings
Fig. 1 is a schematic view of an adjusting member according to the present invention.
Fig. 2 is a schematic view of the guide of the present invention.
Fig. 3 is a schematic view of the water-stop ring of the present invention.
Fig. 4 is a schematic cross-sectional view of the water-stop ring of the present invention.
Fig. 5 is a schematic view of the cold water sealing ring of the present invention.
Fig. 6 is a schematic view of the hot water sealing ring of the present invention.
Fig. 7 is a schematic view of a piston of the present invention.
Fig. 8 is a schematic cross-sectional view of a piston of the present invention.
Fig. 9 is a schematic view of the paraffin wax constant temperature assembly of the present invention.
Fig. 10 is a schematic view of the upper housing of the present invention.
Fig. 11 is a schematic view of the lower housing of the present invention.
Fig. 12 is a schematic cross-sectional view of the lower housing of the present invention.
Fig. 13 is a schematic view of the movable ceramic sheet of the present invention.
Fig. 14 is a schematic view of the static ceramic sheet of the present invention.
Fig. 15 is a schematic view of the outer housing of the present invention.
Fig. 16 is a schematic view of a base of the present invention.
Fig. 17 is a schematic cross-sectional view of the present invention.
Detailed Description
Referring to fig. 3 and 4, the water-stop ring 3 is provided with a water-stop sheet 4, and the cross section of the water-stop sheet is Y-shaped;
referring to fig. 7 and 8, the piston 7 is provided with a cold water sealing ring groove 8, a hot water sealing ring groove 9, a water-stop ring groove 10 and a water passage groove 11;
referring to fig. 9, the paraffin constant temperature component 12 is provided with a bulb 22 and a mandril 23;
referring to fig. 11 and 12, the lower housing 14 has a cold water inlet tank 15, a cold water sealing water cavity 16, a hot water inlet tank 17, a hot water sealing water cavity 18, a piston cavity 19, a mixed water cavity 20, a spring position 21, a cold water inlet channel 25, and a hot water inlet channel 26, wherein the hot water inlet tank 17 is below the cold water inlet tank 15;
referring to fig. 13, the movable ceramic sheet 27 is provided with an upper cold water inlet 28, an upper hot water inlet 29 and an upper water outlet 30;
referring to fig. 14, the static ceramic sheet 31 is provided with a middle cooling water inlet 32, a middle heating water inlet 33 and a middle water outlet 34;
referring to fig. 16, the base 36 has a lower cold water inlet 37, a lower hot water inlet 38, and a lower water outlet 39;
wherein, the cold water sealing ring 5, the hot water sealing ring 6 and the waterproof ring 3 are made of elastic colloid.
The paraffin wax thermostatic assembly is a commonly used thermostatic valve core fitting in the prior art, paraffin wax in the paraffin wax thermostatic assembly expands along with temperature change to extend the ejector rod, and specific technical parameters of the paraffin wax thermostatic assembly are known in the industry and are not described herein again.
Referring to fig. 1 to 17, an adjusting part 1 is arranged at the upper end of an upper shell 13, the guiding part 2 is arranged in the upper shell 13 in a way that the guiding part 2 can move up and down, the adjusting part 1 is screwed with the guiding part 2, a cold water sealing ring 5 is arranged in a cold water sealing ring groove 8, a hot water sealing ring 6 is arranged in a hot water sealing ring groove 9, a water-stop ring 3 is arranged in a water-stop ring groove 10, a paraffin constant temperature component 12 is screwed with the lower end of a piston 7, a push rod 23 extends out of the upper end of the piston 7, the piston 7 is arranged in a piston cavity 19, the push rod 23 pushes against the guiding part 2, a lower shell 14 is fixed with the upper shell 13, and a return spring 24 is arranged in a mixed water cavity 20 and; wherein the piston 7 is axially movable in the piston chamber 19;
the movable ceramic sheet 27 is arranged below the lower shell 14 and fixed with the lower shell 14, wherein the cold water inlet channel 25 is opposite to the upper cold water inlet 28, the hot water inlet channel 26 is opposite to the upper hot water inlet 29, and the upper water outlet 30 is opposite to the mixed water cavity 20; the static ceramic pieces 31 are arranged below the dynamic ceramic pieces 27, wherein the upper cold water inlet 28 is opposite to the middle cold water inlet 32, the upper hot water inlet 29 is opposite to the middle hot water inlet 33, and the middle water outlet 34 is opposite to the upper water outlet 30; the base 36 is arranged below the static ceramic sheet 31, wherein the middle cold water inlet 32 is opposite to the lower cold water inlet 37, the middle hot water inlet 33 is opposite to the lower hot water inlet 38, the lower water outlet 39 is opposite to the middle water outlet 34, and the outer shell 35 is sleeved on the lower shell 14 and fixed with the base 36;
the movable ceramic pieces 27 can rotate relative to the fixed ceramic pieces 31 and can rotate to the maximum extent to ensure that the upper cold water inlet 28 and the middle cold water inlet 32 are completely staggered, and the upper hot water inlet 29 and the middle hot water inlet 33 are completely staggered;
when the adjusting part 1 is rotated to enable the guide part 2 to move upwards, the return spring 24 enables the piston 7 to move upwards, and the cold water sealing water ring 5 can be completely moved upwards into the cold water sealing water cavity 16 to the maximum extent; when the adjusting part 1 is rotated to enable the guide part 2 to move downwards, the mandril 23 enables the piston 7 to move downwards, and the hot water sealing ring 6 can be enabled to move downwards into the hot water sealing cavity 18 to the maximum extent.
Cold water flows from a lower cold water inlet 37 to a middle cold water inlet 32, an upper cold water inlet 28, a cold water inlet channel 25, a cold water inlet groove 15, a cold water sealing water cavity 16, a water passing groove 11 and a hot water sealing water cavity 18 and then flows to a mixed water cavity 20, hot water flows from a lower hot water inlet 38 to a middle hot water inlet 33, an upper hot water inlet 29, a hot water inlet channel 26, a hot water inlet groove 17 and a hot water sealing water cavity 18 and flows to the mixed water cavity 20, after the cold water and the hot water are mixed in the mixed water cavity 20, paraffin in the paraffin constant temperature component 12 expands after the temperature of the mixed water is sensed by a temperature bulb 22 on the paraffin constant temperature component 12, so that a push rod 23 extends, and the;
when the temperature of the mixed water is higher than the set temperature, which is sensed by the thermometer bulb 22, the ejector rod 23 extends, the ejector rod 23 pushes the piston 7 to move towards the direction of the hot water sealing water cavity 18, the return spring 24 is compressed, the relative opening degree of the cold water sealing ring 5 and the cold water inlet groove 15 is increased, and the relative opening degree of the hot water sealing ring 6 and the hot water inlet groove 17 is reduced; when the temperature bulb 22 senses that the temperature of the mixed water is lower than the set temperature, the ejector rod 23 contracts, the return spring 24 extends, the return spring 24 enables the piston 7 to move towards the cold water sealing cavity 16 through the paraffin constant temperature component 12, the relative opening degree of the cold water sealing ring 5 and the cold water inlet groove 15 is reduced, and meanwhile, the relative opening degree of the hot water sealing ring 6 and the hot water inlet groove 17 is increased; thereby controlling the flow rate of cold/hot water entering the mixed water cavity 20 to ensure that the temperature of the outlet water is constant;
when cold water is suddenly stopped, the temperature of the water in the mixed water cavity 20 rises, the ejector rod 23 extends, the ejector rod 23 pushes the piston 7 to move towards the hot water sealing water cavity 18, the return spring 24 is compressed, and the hot water sealing water ring 6 moves into the hot water sealing water cavity 18 to block the hot water inlet groove 17; when hot water is suddenly cut off, the water temperature in the mixed water cavity 20 is reduced, the ejector rod 23 is contracted, the return spring 24 is expanded, the return spring 24 enables the piston 7 to move towards the cold water sealing water cavity 16 through the paraffin constant temperature assembly 12, and the cold water sealing water ring 5 moves into the cold water sealing water cavity 16 to block the cold water inlet groove 15;
the upper shell 13 is rotated to enable the lower shell 14 to drive the movable ceramic pieces 27 to rotate relative to the static ceramic pieces 31, when the upper shell is rotated to the maximum angle, the upper cold water inlet 28 and the middle cold water inlet 32 are completely staggered, the upper hot water inlet 29 and the middle hot water inlet 33 are completely staggered, and the cold/hot water inlet is closed; this is the closing function of the present invention.
When the adjusting part 1 is rotated to the maximum angle to enable the guide part 2 to move downwards to the maximum position, the ejector rod 23 pushes the piston 7 to move downwards to the maximum position, the reset spring 24 is compressed, the hot water sealing ring 6 completely moves downwards to the hot water sealing water cavity 18, meanwhile, the cold water inlet groove 15 is completely opened, and impurities can flow through the cold water inlet groove 15, flow through the mixing water cavity 20, the upper water outlet 30 and the middle water outlet 34 and then flow to the lower water outlet 39 to be discharged; when the adjusting part 1 is rotated to the maximum angle to enable the guide part 2 to move upwards to the maximum position, the reset spring 24 extends, the paraffin constant temperature component 12 pushes the piston 7 to move upwards to the maximum position, the cold water sealing ring 5 moves upwards to the cold water sealing cavity 16, meanwhile, the hot water inlet groove 17 is opened completely, and impurities can flow through the hot water inlet groove 17, flow through the mixed water cavity 20, the upper water outlet 30 and the middle water outlet 34 and then flow to the lower water outlet 39 to be discharged; this is the function of the utility model to remove impurities.
Because the water-stop ring 3 is provided with the water-stop sheet 4, the water-stop sheet 4 has elasticity and the thickness is only 20 to 30 threads, only the water-stop sheet 4 is in contact with the inner wall of the piston cavity 19, and the friction force between the water-stop sheet 4 and the inner wall of the piston cavity 19 is very small, the resistance of the piston 7 in the piston cavity 19 during axial movement is very small, the movement sensitivity is very high, the fluctuation range of the outlet water temperature is small during temperature adjustment, the constant-temperature outlet water can be quickly adjusted through reaction, the outlet water with lower or higher temperature cannot occur, and the constant-temperature outlet water effect is ensured all the time;
because the cold/hot water separation of the piston 7 is achieved by utilizing the pressure of water pressure on the water separation sheet 4 to enable the water separation sheet 4 to be tightly attached to the inner wall of the piston cavity 19, if impurities rush onto the water separation sheet 4, the water separation sheet 4 cannot be in hard friction with the impurities, the impurities cannot cut the water separation sheet 4, and the friction force between the water separation sheet 4 and the inner wall of the piston cavity 19 is very small, so that the water separation sheet 4 has very long service life;
the utility model discloses an utilize hot water seal water ring 6 to remove to hug closely its inner wall and plug up hot water intake channel 17 or cold water seal water ring 5 to remove to hug closely its inner wall and plug up cold water intake channel 15 and seal water in cold water seal water cavity 16 in the hot water seal water cavity 18, because hot water seal water cavity 18, cold water seal water cavity 16, the space of water service trough 11 is very big relatively, and the clearance between cold water seal water ring 5 and the cold water intake channel 15, and the clearance between hot water seal water ring 6 and the hot water intake channel 17 is less relatively, so water pressure major part has been let out when rivers get into piston 7 inside, two terminal surfaces of piston 7 do not directly accept the initial pressure of intaking directly, so the precision that adjusts the temperature when the inlet pressure ratio of cold/hot water is higher than 20 can not change yet.
Claims (2)
1. The utility model provides a water proof piece formula paraffin thermostatic cartridge of function is closed in area, includes casing, lower casing, regulating part, guide, reset spring, paraffin thermostatic assembly, and the casing upper end is located to the regulating part, and the setting that the guide can reciprocate is in the casing, and the regulating part spiro union in guide, its characterized in that: the device also comprises a piston, a cold water seal water ring, a hot water seal water ring, a water isolation ring, a movable ceramic sheet, a static ceramic sheet, an outer shell and a base;
the paraffin constant temperature component is provided with a temperature bulb and an ejector rod; the water-proof ring is provided with a water-proof sheet with a Y-shaped section; the lower shell is provided with a cold water inlet groove, a cold water sealing water cavity, a hot water inlet groove, a hot water sealing water cavity, a cold water inlet channel, a hot water inlet channel, a piston cavity, a mixed water cavity and a spring position, wherein the hot water inlet groove is arranged below the cold water inlet groove; the piston is provided with a cold water sealing ring groove, a hot water sealing ring groove, a water-resisting ring groove and a water-passing groove; the movable ceramic chip is provided with an upper cold water inlet, an upper hot water inlet and an upper water outlet; the static ceramic chip is provided with an inter-cooling water inlet, a middle hot water inlet and a middle water outlet; the base is provided with a lower cold water inlet, a lower hot water inlet and a lower water outlet;
the cold water sealing water ring is arranged in the cold water sealing water ring groove, the hot water sealing water ring is arranged in the hot water sealing water ring groove, the water isolating ring is arranged in the water isolating ring groove, the paraffin constant temperature component is in threaded connection with the lower end of the piston, the ejector rod extends out of the upper end of the piston, the piston is arranged in the piston cavity, the ejector rod abuts against the guide piece, the lower shell is fixed with the upper shell, and the reset spring is arranged in the mixed water cavity and between the paraffin constant temperature component and the spring position; wherein the piston is axially movable in the piston cavity; the movable ceramic sheet is arranged below the lower shell and fixed with the lower shell, wherein the cold water inlet channel is opposite to the upper cold water inlet, the hot water inlet channel is opposite to the upper hot water inlet, and the upper water outlet is opposite to the mixed water cavity; the static ceramic chip is arranged below the movable ceramic chip, wherein the upper cold water inlet is opposite to the middle cold water inlet, the upper hot water inlet is opposite to the middle hot water inlet, and the middle water outlet is opposite to the upper water outlet; the base is arranged below the static ceramic chip, wherein the middle cold water inlet is opposite to the lower cold water inlet, the middle hot water inlet is opposite to the lower hot water inlet, the lower water outlet is opposite to the middle water outlet, and the outer shell is sleeved on the lower shell and fixed with the base;
the movable ceramic chip can rotate relative to the fixed ceramic chip and can rotate to the maximum extent to ensure that the upper cold water inlet and the middle cold water inlet are completely staggered, and the upper hot water inlet and the middle hot water inlet are completely staggered; wherein the cold water sealing water ring, the hot water sealing water ring and the water isolating ring are made of elastic colloid;
when the adjusting piece is rotated to enable the guide piece to move upwards, the return spring enables the piston to move upwards, and the cold water sealing ring can be completely moved upwards into the cold water sealing cavity to the maximum extent;
when the adjusting piece is rotated to enable the guide piece to move downwards, the ejector rod enables the piston to move downwards, and the hot water sealing water ring can be completely moved downwards into the hot water sealing water cavity to the maximum extent.
2. The water-stop sheet type paraffin thermostatic valve core with the closing function according to claim 1, characterized in that: the cold water seal water ring, the hot water seal water ring and the water isolation ring are integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854975.1U CN212718166U (en) | 2020-05-13 | 2020-05-13 | Water-proof sheet type paraffin thermostatic valve core with closing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854975.1U CN212718166U (en) | 2020-05-13 | 2020-05-13 | Water-proof sheet type paraffin thermostatic valve core with closing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212718166U true CN212718166U (en) | 2021-03-16 |
Family
ID=74946571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020854975.1U Expired - Fee Related CN212718166U (en) | 2020-05-13 | 2020-05-13 | Water-proof sheet type paraffin thermostatic valve core with closing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212718166U (en) |
-
2020
- 2020-05-13 CN CN202020854975.1U patent/CN212718166U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20210316 |