CN215371032U - Soft sealing temperature control valve - Google Patents
Soft sealing temperature control valve Download PDFInfo
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- CN215371032U CN215371032U CN202121541792.5U CN202121541792U CN215371032U CN 215371032 U CN215371032 U CN 215371032U CN 202121541792 U CN202121541792 U CN 202121541792U CN 215371032 U CN215371032 U CN 215371032U
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- pressing plate
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Abstract
The utility model discloses a soft sealing temperature control valve which comprises a valve body, a valve rod and a water pressing plate, wherein the valve body is provided with a valve cavity, a medium inlet and a medium outlet which are communicated with the valve cavity; one end of the valve rod is connected with a water pressing plate, the water pressing plate is positioned in a valve cavity of the valve body and is driven by the valve rod to control whether the medium inlet is communicated with the medium outlet or not; at least one circle of water sealing boss is arranged in the valve cavity of the valve body; the water pressing plate is sleeved with a flat gasket and at least one first sealing ring, when the water pressing plate moves in place along the water sealing direction, the flat gasket is in contact fit with one end face, facing the flat gasket, of the water sealing boss, and the first sealing ring is in contact fit with the inner side face of the water sealing boss. The utility model realizes soft sealing from two angles of the water sealing end surface and the valve body passage, has good sealing effect and can avoid abrasion of the water pressing plate and the valve body.
Description
Technical Field
The utility model relates to a temperature control valve, in particular to a soft sealing temperature control valve.
Background
A temperature control valve in the prior art comprises a valve body, a valve rod, a hand wheel, a water pressing plate and the like, wherein the valve body is provided with a valve cavity, a medium inlet and a medium outlet which are communicated with the valve cavity, one end of the valve rod is connected with the water pressing plate, the water pressing plate is located in the valve cavity of the valve body, and the other end of the valve rod is located outside the valve body and connected with the hand wheel. When the water pump works, the hand wheel is screwed to drive the valve rod to rotate, so that the water pressing plate is driven to lift, and the water flow is controlled by controlling the water pressing plate. Such a thermo-valve has the following disadvantages: the pressurized-water board is metal material (for example, copper alloy) with the valve body, and pressurized-water board and valve body are sealed through colliding each other, and sealed mode is sealed firmly, along with the extension of live time, can lead to a darker indentation to appear in the pressurized-water board to colliding each other between metal and the metal, and the indentation can have wearing and tearing after long-term the use, leads to sealing the water performance reduction. In addition, under the not good condition of quality of water in the use scene, the particle thing that exists in the aquatic can wear and tear the pressurized-water plate, makes the pit appear in the face of sealing water, leads to the product to appear leaking the phenomenon.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides a soft sealing temperature control valve which enables the water sealing performance of a product to reach the expectation.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a soft sealing temperature control valve comprises a valve body, a valve rod and a water pressing plate, wherein the valve body is provided with a valve cavity, and a medium inlet and a medium outlet which are communicated with the valve cavity; one end of the valve rod is connected with a water pressing plate, the water pressing plate is positioned in a valve cavity of the valve body and is driven by the valve rod to control whether the medium inlet is communicated with the medium outlet or not; at least one circle of water sealing boss is arranged in the valve cavity of the valve body; the water pressing plate is sleeved with a flat gasket and at least one first sealing ring, when the water pressing plate moves in place along the water sealing direction, the flat gasket is in contact fit with the water sealing end face of the water sealing boss, and the first sealing ring is in contact fit with the inner side face of the water sealing boss.
A circle of limiting boss is arranged on the outer side surface of the water pressing plate, and one end surface of the flat gasket, back to the water sealing boss, abuts against the limiting boss; or the outer side surface of the water pressing plate is provided with a circle of limiting grooves with notches facing the water sealing bosses, and the flat gasket is sleeved in the limiting grooves.
Furthermore, at least one annular groove is formed outside the water pressing plate, and the first sealing ring corresponds to the annular groove and is accommodated in the annular groove.
Furthermore, the number of the first sealing rings is several.
Further, the valve body still is equipped with the intercommunication the installing port of valve pocket, this installing port is connected with the valve casing, this valve casing is worn to locate by the valve rod, just the valve rod other end is located outside the valve casing to be connected with the hand wheel.
Furthermore, a second sealing ring is sleeved on the valve rod and is in contact fit with the inner side surface of the valve casing; the number of the second sealing rings is at least two; the valve rod is sleeved with a limiting clamp spring, and the limiting clamp spring is located outside the valve casing.
Further, the valve casing with the installing port threaded connection of valve body, the valve body overlaps on the outer terminal surface of the one end at its installing port place and is equipped with the pressure pad, should compress tightly the pad by the valve casing compresses tightly.
Furthermore, an outer wire pipe connector is connected to a medium outlet of the valve body in a sealing mode.
Furthermore, one end of the outer wire pipe connector is sleeved with a valve connection sealing ring and a fixing nut, the fixing nut is in threaded connection with one end of the valve body where the medium outlet is located, and the valve connection sealing ring seals the space between the valve body and the outer wire pipe connector; the outer thread pipe connector is further sleeved with a snap ring sealing ring and a snap ring which are positioned outside the valve body, and the snap ring sealing ring is positioned between the fixing nut and the snap ring.
Furthermore, the medium inlet of the valve body is hermetically connected with a PPR joint.
Compared with the prior art, the utility model has the following beneficial effects:
because the flat gasket and the at least one first sealing ring are sleeved on the water pressing plate, when the water pressing plate moves in place along the water sealing direction, the flat gasket is in contact fit with the water sealing end face of the water sealing boss, and the first sealing ring is in contact fit with the inner side face of the water sealing boss, soft sealing can be realized from two angles of the water sealing face and the valve body passage, the sealing effect is good, and the water pressing plate and the valve body can be prevented from being abraded.
2. The valve rod is sleeved with the second sealing rings, particularly, the number of the second sealing rings is at least two, so that the risk of leakage at the position of the valve rod can be effectively reduced, the valve rod can be fixed by the second sealing rings, the valve rod can stably rotate, and the valve rod is not deviated.
3. The arrangement of the snap ring sealing ring and the snap ring can limit the moving range of the fixing nut, so that the fixing nut is not easy to fall off, and the conditions of dislocation, infirm sealing and the like of the snap ring sealing ring can be avoided when the fixing nut is connected with other pipelines.
The utility model is further explained in detail with the accompanying drawings and the embodiments; a soft sealing thermo-valve of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a partial enlarged view of FIG. 2;
FIG. 4 is a second enlarged partial schematic view of FIG. 2;
the pressure water valve comprises a valve body 1, a valve cavity 101, a valve cavity 102, a medium inlet 103, a medium outlet 104, a water sealing boss 2, a valve rod 3, a pressure water plate 31, a limiting boss 32, an annular groove 4, a flat gasket 5, a first sealing ring 6, a valve shell 7, a pressing pad 8, a hand wheel 9, a hand wheel cover 10 and a limiting clamp spring. 11. And a second sealing ring, 12, an outer wire pipe connector, 13, a valve connection sealing ring, 14/18, a fixing nut, 15, a snap ring sealing ring, 16, a snap ring, 17, a PPR connector, 18, a fixing nut, 19 and a connector sealing ring.
Detailed Description
In an embodiment, please refer to fig. 1 to 4, a soft sealing temperature control valve of the present invention includes a valve body 1, a valve rod 2 and a water pressing plate 3, wherein the valve body 1 is provided with a valve cavity 101, and a medium inlet 102 and a medium outlet 103 communicated with the valve cavity 101; one end of the valve rod 2 is connected with the water pressing plate 3, and specifically, one end of the valve rod 2 is in threaded connection with the water pressing plate 3. The water pressing plate 3 is positioned in a valve cavity 101 of the valve body 1 and is driven by a valve rod 2 to control whether the medium inlet 102 is communicated with the medium outlet 103 or not; a circle of water sealing bosses 104 are arranged in a valve cavity 101 of the valve body 1; the water pressing plate 3 is sleeved with a flat gasket 4 and at least one first sealing ring 5, when the water pressing plate 3 moves in place along the water sealing direction, the flat gasket 4 is in contact fit with the water sealing end face of the water sealing boss 104 (namely, the end face of the water sealing boss 104 facing the flat gasket 4), and the first sealing ring 5 is in contact fit with the inner side face of the water sealing boss 104.
In this embodiment, a circle of limiting boss 31 is disposed on an outer side surface of the water pressing plate 3, and an end surface of the flat gasket 4 facing away from the water sealing boss 104 abuts against the limiting boss 31 to limit the movement of the flat gasket 4 along a direction facing away from the water sealing boss 104. The flat gasket 4 is made of rubber. In other embodiments, a circle of limiting groove with a notch facing the water sealing boss is formed in the outer side surface of the water pressing plate, and the flat gasket 4 is sleeved in the limiting groove. The utility model seals the water sealing end face of the water sealing boss 104 by using the rubber flat gasket 4, and can fill up the unevenness of the surface of the sealing end face, so that the sealing performance is improved.
In this embodiment, at least one annular groove 32 is disposed outside the water pressing plate 3, and the first sealing ring 5 corresponds to the annular groove 32 and is accommodated in the annular groove 32. The first sealing rings 5 are specifically O-rings, and the number of the first sealing rings 5 is specifically two, but is not limited thereto. The number of the annular grooves 32 is also two. The outer diameter of the lower end of the water pressing plate 3 is matched with the inner diameter of the water sealing boss 104, the tolerance is +/-0.1 mm, the depth of the annular groove 32 is not more than 70% of the linear diameter of the first sealing ring 5, the compression ratio of the first sealing ring 5 can reach more than 30%, and the sealing performance of a product can reach an expected effect through the soft sealing effect of the first sealing ring 5.
In this embodiment, the valve body 1 is still equipped with the intercommunication the installing port of valve pocket 101, and this installing port is connected with valve casing 6, this valve casing 6 is worn to locate by valve rod 2, just the valve rod 2 other end is located outside valve casing 6 to be connected with hand wheel 8. Specifically, the hand wheel 8 is sleeved on the valve rod 2 and is pressed and fixed by a hand wheel cover 9 which is in threaded connection with the other end of the valve rod 2.
In this embodiment, the valve casing 6 is in threaded connection with the mounting opening of the valve body 1, the valve body 1 is sleeved with a pressing pad 7 on the outer end face of one end where the mounting opening is located, and the pressing pad 7 is pressed by the valve casing 6. The valve rod 2 is sleeved with a limiting clamp spring 10, and the limiting clamp spring 10 is located outside the valve casing 6. The valve rod 2 is sleeved with a second sealing ring 11, and the second sealing ring 11 is in contact fit with the inner side surface of the valve casing 6. The number of the second sealing rings 11 is three, but not limited thereto, and in other embodiments, the number of the second sealing rings is two, and the like. The second sealing ring 11 is an O-shaped sealing ring. Valve rod 2 suit 3 second sealing washer 11 can be through the fixed valve rod 2 of these three second sealing washer 11, makes its steady rotation, does not take place the skew (if adopt a second sealing washer, then unable fixed valve rod 2, if adopt two second sealing washers, then in case can produce under the wearing and tearing circumstances and rock), and can effectively reduce the risk that appears the seepage in valve rod 2 department after leading to water through the soft sealing effect of second sealing washer 11.
In this embodiment, the medium outlet 103 of the valve body 1 is located on the side of the valve body 1, and the outer pipe joint 12 is hermetically connected to the medium outlet 103 of the valve body 1. Specifically, one end of the outer nipple 12 is sleeved with a valve joint sealing ring 13 and a fixing nut 14, the fixing nut 14 is in threaded connection with one end of the valve body 1 where the medium outlet 103 is located, and the valve joint sealing ring 13 seals between the valve body 1 and the outer nipple 12; the outer screwed pipe connector 12 is further sleeved with a snap ring sealing ring 15 and a snap ring 16 which are positioned outside the valve body 1, and the snap ring sealing ring 15 is positioned between the fixing nut 14 and the snap ring 16. The arrangement of the snap ring sealing ring 15 and the snap ring 16 can limit the moving range of the fixing nut 14, so that the fixing nut is not easy to fall off, and the snap ring sealing ring 15 cannot be dislocated, and cannot be firmly sealed when being connected with other pipelines.
In this embodiment, the medium inlet 102 of the valve body 1 is opposite to the mounting port, and the PPR joint 17 is connected to the medium inlet 102 of the valve body 1 in a sealing manner. Specifically, the PPR connector 17 is sleeved with a connector sealing ring 19 and another fixing nut 18, the other fixing nut 18 is in threaded connection with one end of the valve body 1 where the medium inlet 102 is located, and the connector sealing ring 19 seals between the valve body 1 and the PPR connector 17. The fixing nuts 14, 18 are octagonal nuts, but not limited thereto.
According to the soft-seal temperature control valve, the flat gasket 4 and the first seal ring 5 are used for realizing double soft sealing, the sealing effect is better than that of the existing hard sealing, the existing product is graded according to the EE grade in the GB/T13927-. The utility model uses different sealing elements from two angles of the water sealing end surface and the valve body passage to seal from multiple angles, and the water leakage prevention reliability is higher. If the existing hard sealing product has a water leakage phenomenon, the whole water pressing plate 3 needs to be replaced, and if the valve body 1 is seriously worn, the whole valve body 1 possibly needs to be detached and replaced.
The parts which are not involved in the soft sealing temperature control valve are the same as or can be realized by adopting the prior art.
The above embodiments are only used to further illustrate a soft sealing thermostatic valve of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A soft sealing temperature control valve comprises a valve body, a valve rod and a water pressing plate, wherein the valve body is provided with a valve cavity, and a medium inlet and a medium outlet which are communicated with the valve cavity; one end of the valve rod is connected with a water pressing plate, the water pressing plate is positioned in a valve cavity of the valve body and is driven by the valve rod to control whether the medium inlet is communicated with the medium outlet or not; at least one circle of water sealing boss is arranged in the valve cavity of the valve body; the method is characterized in that: the water pressing plate is sleeved with a flat gasket and at least one first sealing ring, when the water pressing plate moves in place along the water sealing direction, the flat gasket is in contact fit with the water sealing end face of the water sealing boss, and the first sealing ring is in contact fit with the inner side face of the water sealing boss.
2. The soft seal thermostatic valve of claim 1, wherein: a circle of limiting boss is arranged on the outer side surface of the water pressing plate, and one end surface of the flat gasket, back to the water sealing boss, abuts against the limiting boss; or the outer side surface of the water pressing plate is provided with a circle of limiting grooves with notches facing the water sealing bosses, and the flat gasket is sleeved in the limiting grooves.
3. The soft seal thermostatic valve of claim 1, wherein: at least one annular groove is arranged outside the water pressing plate, and the first sealing ring corresponds to the annular groove and is accommodated in the annular groove.
4. The soft seal thermostatic valve of claim 1, wherein: the number of the first sealing rings is several.
5. The soft seal thermostatic valve of claim 1, wherein: the valve body still is equipped with the intercommunication the installing port of valve pocket, this installing port is connected with the valve casing, this valve casing is worn to locate by the valve rod, just the valve rod other end is located outside the valve casing to be connected with the hand wheel.
6. The soft-seal thermostatic valve of claim 5, wherein: the valve rod is sleeved with a second sealing ring, and the second sealing ring is in contact fit with the inner side surface of the valve casing; the number of the second sealing rings is at least two; the valve rod is sleeved with a limiting clamp spring, and the limiting clamp spring is located outside the valve casing.
7. The soft-seal thermostatic valve of claim 5, wherein: the valve casing with the installing port threaded connection of valve body, the valve body is equipped with on the outer terminal surface of the one end at its installing port place and compresses tightly the pad, should compress tightly the pad by the valve casing compresses tightly.
8. The soft seal thermostatic valve of claim 1, wherein: and an outer wire pipe connector is hermetically connected at the medium outlet of the valve body.
9. The soft-seal thermostatic valve of claim 8, wherein: one end of the outer screwed pipe joint is sleeved with a valve joint sealing ring and a fixing nut, the fixing nut cap is in threaded connection with one end of the valve body where the medium outlet is located, and the valve joint sealing ring seals the space between the valve body and the outer screwed pipe joint; the outer thread pipe connector is further sleeved with a snap ring sealing ring and a snap ring which are positioned outside the valve body, and the snap ring sealing ring is positioned between the fixing nut and the snap ring.
10. The soft seal thermostatic valve of claim 1, wherein: the medium entrance sealing connection of valve body has PPR to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541792.5U CN215371032U (en) | 2021-07-07 | 2021-07-07 | Soft sealing temperature control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541792.5U CN215371032U (en) | 2021-07-07 | 2021-07-07 | Soft sealing temperature control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215371032U true CN215371032U (en) | 2021-12-31 |
Family
ID=79608043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541792.5U Active CN215371032U (en) | 2021-07-07 | 2021-07-07 | Soft sealing temperature control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215371032U (en) |
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2021
- 2021-07-07 CN CN202121541792.5U patent/CN215371032U/en active Active
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