CN214008253U - Plug-free thermostatic valve - Google Patents
Plug-free thermostatic valve Download PDFInfo
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- CN214008253U CN214008253U CN202022358304.9U CN202022358304U CN214008253U CN 214008253 U CN214008253 U CN 214008253U CN 202022358304 U CN202022358304 U CN 202022358304U CN 214008253 U CN214008253 U CN 214008253U
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Abstract
The utility model discloses an electricity-plugging-free thermostatic valve, which comprises a thermostatic valve body, wherein the left end and the right end of the thermostatic valve body are opened, and a sealing ring, a movable valve core, a pressure spring and a thermal expansion valve are sequentially arranged in the thermostatic valve body from left to right according to the water flow direction; the movable valve core is arranged in the constant temperature valve body in a manner of moving left and right; the sealing ring is arranged in the thermostatic valve body corresponding to the left end of the movable valve core; the pressure spring is sleeved on the movable valve core; the thermal expansion valve is arranged in the thermostatic valve body corresponding to the right end of the movable valve core. The utility model has the advantages of reasonable design ingenious, reliable and stable, when the temperature risees the temperature of settlement, can cut off the water route well, avoid hot water to flow into the cold water pipeline, avoid extravagant heat. And need not insert the electricity, remove the setting of temperature controller and solenoid valve, power and signal line etc. from, the cost is reduced and stability has been improved, and the life-span is longer, and is more durable.
Description
Technical Field
The utility model relates to a thermostatic valve, concretely relates to exempt from to insert electric thermostatic valve.
Background
In modern houses, a gas water heater is generally specified to be installed on a balcony and to deliver hot water to a room through a hot water pipe, and since a house is large and a hot water pipe is long, a large amount of cold water is discharged every time hot water is used, and a long time is required to wait for hot water. Under the condition, the cold water in the hot water pipeline can be recycled back to the water heater for secondary heating by installing a pipeless circulating system, so that the waste of water sources is reduced.
The traditional pipeless circulating system is characterized in that a one-way valve is arranged below a hand basin at the farthest end of a water heater to communicate cold and hot water pipes, and a cold water pipeline is used for circulation. However, the problem of waste caused by the fact that hot water flows into a cold water pipeline only by using the one-way valve can occur.
The problem that hot water flows into the cold water pipeline can be avoided by installing the thermostatic valve at the cold and hot water junction, and when the hot water reaches the cold and hot water junction, the thermostatic valve is closed when detecting the temperature, so that the hot water cannot run into the cold water pipe.
In the commercial hot water pipeline circulation field, exempt from to plug in electric thermo valve can replace traditional solenoid valve and temperature controller, removes the temperature controller and solenoid valve and need draw the loaded down with trivial details of power and signal line, and the life-span is longer moreover, and is more durable.
At present, an electric thermostatic valve free of plugging has appeared on the market, for example, the inventor's patent name is an electric thermostatic valve free of plugging, and the utility model patent with the patent number of CN201921932672.0 just discloses a thermostatic valve, can realize the hot and cold water wall fine, avoids hot water to flow into the cold water pipeline, but its structure is still comparatively complicated, has the space of further improvement.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses an exempt from to insert electric thermostatic valve.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
an electricity-plugging-free thermostatic valve comprises a thermostatic valve body, wherein the left end and the right end of the thermostatic valve body are opened, and a sealing ring, a movable valve core, a pressure spring and a thermal expansion valve are sequentially arranged in the thermostatic valve body from left to right according to the water flow direction;
the movable valve core is arranged in the constant temperature valve body in a manner of moving left and right;
the left end of the sealing ring corresponding to the movable valve core is arranged in the thermostatic valve body, and a water path is cut off when the left end of the movable valve core is contacted with the sealing ring;
the pressure spring is sleeved on the movable valve core, the diameter of the right end of the movable valve core is larger than that of the pressure spring, and two ends of the pressure spring are respectively contacted with the sealing boss at the left end of the thermostatic valve body and the right end of the movable valve core;
the right end of the thermostatic expansion valve corresponding to the movable valve core is arranged in the thermostatic valve body, and the left end of the thermostatic expansion valve is contacted with the movable valve core.
When the water temperature is lower than the set temperature of the thermostatic expansion valve, water flows in from the left end of the thermostatic valve body, passes through a gap between the sealing ring and the movable valve core and the positioning boss of the expansion valve, and then flows out from the right end of the thermostatic valve body.
When the water temperature reaches the set temperature of the thermostatic expansion valve, the thermostatic expansion valve expands to push the movable valve core to move leftwards, and the left end of the movable valve core is contacted with the sealing ring to block the water path and prevent hot water from continuously entering the cold water pipe through the thermostatic valve body.
When the water temperature is lower than the set temperature of the thermal expansion valve, the thermal expansion valve is contracted, the movable valve core is pushed by the pressure spring to move rightwards, so that the sealing ring is separated from the left end of the movable valve core to form a gap, and the water way is communicated.
The set temperature of the thermostatic expansion valve is 35 ℃.
The thermostatic valve further comprises a one-way valve, and the one-way valve is connected to the right end of the thermostatic valve body in a sealing mode. The water flows in from the left end of the thermostatic valve body and then out from the right end of the check valve, which restricts the water flow in from the right end of the check valve.
The sealing boss is annularly arranged on the inner side of the left end of the thermostatic valve body, a sealing groove is formed in the inner wall of the sealing boss, and the sealing ring is fixed in the sealing groove;
the diameter of the left end of the movable valve core is equal to or larger than the inner diameter of the sealing ring. The movable valve core is matched with the sealing ring to realize the communication and the partition of the water path.
The right end of the movable valve core is provided with a cavity position, and the left end of the thermostatic expansion valve is arranged in the cavity position.
The right end of the thermostatic valve body is provided with an expansion valve positioning boss, the expansion valve positioning boss is positioned on the right side of the movable valve core, and the thermostatic expansion valve is arranged on the expansion valve positioning boss.
The check valve comprises a check valve body, the check valve body is connected with the thermostatic valve body in a sealing mode, a check valve core is arranged in the check valve body, and a limiting boss is arranged on the left side of the check valve core corresponding to the check valve core.
The sealing ring is a sealing O-shaped ring.
It still includes the filter body, and this filter body sets up in this thermostatic valve body's left end tip.
And threads are arranged on the periphery of the left end of the thermostatic valve body.
And the periphery of the right end of the one-way valve is provided with threads.
The utility model has the advantages that: the utility model has the advantages of reasonable design ingenious, reliable and stable, when the temperature risees the temperature of settlement, can cut off the water route well, avoid hot water to flow into the cold water pipeline, avoid extravagant heat. And need not insert the electricity, remove the setting of temperature controller and solenoid valve, power and signal line etc. from, the cost is reduced and stability has been improved, and the life-span is longer, and is more durable.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a sectional view of the present invention.
Detailed Description
In an embodiment, referring to fig. 1, the plug-in-free thermostatic valve provided in this embodiment includes a thermostatic valve body 1, wherein left and right ends of the thermostatic valve body 1 are open, and a sealing ring 2, a movable valve core 3, a pressure spring 4 and a thermostatic expansion valve 5 are sequentially arranged in the thermostatic valve body 1 from left to right in a water flow direction;
the movable valve core 3 is arranged in the thermostatic valve body 1 in a manner of moving left and right;
the left end of the sealing ring 2 corresponding to the movable valve core 3 is arranged in the thermostatic valve body 1, and a water path is cut off when the left end of the movable valve core 3 is contacted with the sealing ring 2;
the pressure spring 4 is sleeved on the movable valve core 3, the diameter of the right end of the movable valve core 3 is larger than that of the pressure spring 4, and two ends of the pressure spring 4 are respectively contacted with the sealing boss 11 at the left end of the thermostatic valve body 1 and the right end of the movable valve core 3;
the right end of the thermostatic expansion valve 5 corresponding to the movable valve core 3 is arranged in the thermostatic valve body 1, and the left end of the thermostatic expansion valve 5 is contacted with the movable valve core 3.
When the water temperature is lower than the set temperature of the thermostatic expansion valve 5, water flows in from the left end of the thermostatic valve body 1, passes through the gap between the sealing ring 2 and the movable valve core 3 and the expansion valve positioning boss 7, and then flows out from the right end of the thermostatic valve body 1.
When the water temperature reaches the set temperature of the thermostatic expansion valve 5, the thermostatic expansion valve 5 expands to push the movable valve core 3 to move leftwards, and the left end of the movable valve core 3 is in contact with the sealing ring 2 to block the water path and prevent hot water from continuously entering the cold water pipe through the thermostatic valve body 1.
When the water temperature is lower than the set temperature of the thermal expansion valve 5, the thermal expansion valve 5 contracts, the movable valve core 3 is pushed by the pressure spring 4 to move rightwards, and therefore the sealing ring 2 is separated from the left end of the movable valve core 3 to form a gap, and the water way is communicated.
In this embodiment, the set temperature of the thermostatic expansion valve 5 is 35 ℃. In other embodiments, other temperatures may be set as desired.
The thermostatic valve further comprises a one-way valve 6, and the one-way valve 6 is connected to the right end of the thermostatic valve body 1 in a sealing mode. The water flows in from the left end of the thermostatic valve body 1 and then flows out from the right end of the check valve 6, and the check valve 6 restricts the water flow from flowing in from the right end of the check valve 6.
The sealing boss 11 is annularly arranged on the inner side of the left end of the thermostatic valve body 1, a sealing groove is formed in the inner wall of the sealing boss 11, and the sealing ring 2 is fixed in the sealing groove;
the diameter of the left end of the movable valve core 3 is equal to or larger than the inner diameter of the sealing ring 2. The movable valve core 3 is matched with the sealing ring 2 to realize the communication and the partition of a water path.
The right end of the movable valve core 3 is provided with a cavity 31, and the left end of the thermostatic expansion valve 5 is arranged in the cavity 31.
The right end of the thermostatic valve body 1 is provided with an expansion valve positioning boss 7, the expansion valve positioning boss 7 is positioned on the right side of the movable valve core 3, and the thermostatic expansion valve 5 is arranged on the expansion valve positioning boss 7.
In this embodiment, the on-off of the water path is realized by the matching of the sealing ring 2 and the movable valve element 3, and there is no requirement on whether the connection between the thermostatic expansion valve 5 and the expansion valve positioning boss 7 is sealed or not, and whether the connection between the expansion valve positioning boss 7 and the thermostatic valve body 1 is sealed or not, only water flow can flow out from the right end of the thermostatic valve body 1 after entering from the left end of the thermostatic valve body 1, and no matter whether a water flow channel is arranged on the thermostatic expansion valve 5 or the expansion valve positioning boss 7, the prior art is adopted, and the detailed description is omitted here.
The check valve 6 comprises a check valve body 61, the check valve body 61 is connected with the thermostatic valve body 1 in a sealing mode, a check valve core 62 is arranged in the check valve body 61, and a limiting boss 63 is arranged on the left side of the check valve core 62 corresponding to the check valve core 62. In other embodiments, the check valve body 61 may be integrally formed with the thermostatic valve body 1.
The sealing ring 2 is a sealing O-shaped ring. In other embodiments, other types of sealing rings 2 or sealing devices are possible, as long as the sealing function according to the present embodiment is achieved.
It also comprises a filter body which is not marked in figure 1 and is arranged at the left end part of the thermostatic valve body 1. The filtering body can be a filter screen, filter cotton and the like as long as the function of filtering impurity particles can be realized.
And the periphery of the left end of the thermostatic valve body 1 is provided with threads.
And the periphery of the right end of the one-way valve 6 is provided with threads.
The utility model has the advantages of reasonable design ingenious, reliable and stable, when the temperature risees the temperature of settlement, can cut off the water route well, avoid hot water to flow into the cold water pipeline, avoid extravagant heat. And need not insert the electricity, remove the setting of temperature controller and solenoid valve, power and signal line etc. from, the cost is reduced and stability has been improved, and the life-span is longer, and is more durable.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides an exempt from to insert electric thermo valve, its includes the thermo valve body, its characterized in that: a sealing ring, a movable valve core, a pressure spring and a thermal expansion valve are sequentially arranged in the thermostatic valve body from left to right in the water flow direction;
the movable valve core is arranged in the constant temperature valve body in a manner of moving left and right;
the left end of the sealing ring corresponding to the movable valve core is arranged in the thermostatic valve body, and a water path is cut off when the left end of the movable valve core is contacted with the sealing ring;
the pressure spring is sleeved on the movable valve core, the diameter of the right end of the movable valve core is larger than that of the pressure spring, and two ends of the pressure spring are respectively contacted with the sealing boss at the left end of the thermostatic valve body and the right end of the movable valve core;
the right end of the thermostatic expansion valve corresponding to the movable valve core is arranged in the thermostatic valve body, and the left end of the thermostatic expansion valve is contacted with the movable valve core.
2. The plug-in-free thermostatic valve according to claim 1, further comprising a one-way valve sealingly attached to the right end of the thermostatic valve body.
3. The plug-free thermostatic valve according to claim 1 or 2, wherein the sealing boss is annularly arranged on the inner side of the left end of the thermostatic valve body, a sealing groove is arranged on the inner wall of the sealing boss, and the sealing ring is fixed in the sealing groove;
the diameter of the left end of the movable valve core is equal to or larger than the inner diameter of the sealing ring.
4. The plug-free thermostatic valve according to claim 1, wherein the right end of the movable valve core is provided with a cavity position, and the left end of the thermostatic expansion valve is arranged in the cavity position.
5. The plug-free thermostatic valve according to claim 1 or 4, wherein an expansion valve positioning boss is provided at the right end of the thermostatic valve body, the expansion valve positioning boss is located at the right side of the movable valve core, and the thermostatic valve is provided on the expansion valve positioning boss.
6. The plug-free thermostatic valve according to claim 2, wherein the check valve comprises a check valve body, the check valve body is connected with the thermostatic valve body in a sealing manner, a check valve core is arranged in the check valve body, and a limiting boss is arranged on the left side of the check valve core corresponding to the check valve core.
7. The plug-free thermostatic valve according to claim 1, wherein the sealing ring is a sealing O-ring.
8. The plug-in-free thermostatic valve according to claim 1, further comprising a filter body disposed at a left end portion of the thermostatic valve body.
9. The plug-free thermostatic valve according to claim 1, wherein a left end periphery of the thermostatic valve body is provided with a thread.
10. The plug-free thermostatic valve according to claim 2 or 6, wherein a right end periphery of the check valve is provided with a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022358304.9U CN214008253U (en) | 2020-10-21 | 2020-10-21 | Plug-free thermostatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022358304.9U CN214008253U (en) | 2020-10-21 | 2020-10-21 | Plug-free thermostatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214008253U true CN214008253U (en) | 2021-08-20 |
Family
ID=77300606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022358304.9U Active CN214008253U (en) | 2020-10-21 | 2020-10-21 | Plug-free thermostatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214008253U (en) |
-
2020
- 2020-10-21 CN CN202022358304.9U patent/CN214008253U/en active Active
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