CN216382583U - Locking valve for radiator - Google Patents
Locking valve for radiator Download PDFInfo
- Publication number
- CN216382583U CN216382583U CN202121821718.9U CN202121821718U CN216382583U CN 216382583 U CN216382583 U CN 216382583U CN 202121821718 U CN202121821718 U CN 202121821718U CN 216382583 U CN216382583 U CN 216382583U
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- valve body
- valve
- nut
- threaded connection
- valve rod
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Abstract
The utility model discloses a locking valve for a heating radiator, which comprises a valve body, wherein a water inlet is formed in the right end of the valve body, a water outlet is formed in the lower end of the valve body, a locking assembly is arranged at the upper end of the valve body and comprises a hollow locking nut arranged in the valve body, a valve rod is arranged in the locking nut, the lower end surface of the valve rod is a first hard sealing surface, the locking nut is respectively in threaded connection with the valve body and the valve rod, and the valve rod can move up and down through threaded connection to cut off and open the water outlet of the valve body. The locking valve for the heating radiator has reliable sealing performance and simple assembly.
Description
Technical Field
The utility model relates to a locking valve, in particular to a locking valve for a heating radiator.
Background
Reference 1CN2431451U discloses a locking valve for a heater, which is basically composed of a valve core mounted in a valve body, and a valve rod with one end connected to the valve core and the other end located outside the valve body, wherein a sealing ring is mounted between the valve body and the valve core, the valve rod and the valve body are provided with a sealing gasket, and a fastening piece is mounted on the sealing gasket. The valve rod outside the valve body is provided with a protective sleeve around, the upper end of the protective sleeve is connected with a protective cover, and the outer end of the protective cover is connected with a protective cap connected with a connecting pin through a spring ring. The locking valve of the heating radiator mainly achieves the sealing purpose by extruding 2 metal material parts (fasteners) connected with an elastic non-metal material sealing element (sealing gasket).
The non-metallic material sealing element can meet the sealing performance under general conditions, but the medium of the heating radiator has high temperature and high pressure, so that the heating radiator has strong corrosivity, and the non-metallic material sealing element cannot resist high temperature and high pressure, is easy to age and corrode, has poor mechanical performance and short service life.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide a radiator locking valve which is resistant to high temperature and high pressure and reliable in sealing performance.
In order to achieve the technical purpose and achieve the technical effect, the utility model provides a locking valve for a heating radiator, which comprises a valve body, wherein a water inlet is formed in the right end of the valve body, a water outlet is formed in the lower end of the valve body, a locking assembly is arranged at the upper end of the valve body, the locking assembly comprises a hollow locking nut arranged in the valve body, a valve rod is arranged in the locking nut, the lower end surface of the valve rod is a first hard sealing surface, the locking nut is respectively in threaded connection with the valve body and the valve rod, and the valve rod can move up and down through threaded connection to close and open the water outlet of the valve body.
Preferably, the middle part of the upper section of the valve rod is provided with a section of hexagonal blind hole, and the valve rod can move up and down through the rotation of the hexagonal blind hole.
Preferably, the upper end of the valve body is provided with a nut, and the nut is in threaded connection with the valve body.
Preferably, the right end of the valve body is provided with a joint and a connecting nut, and the connecting nut is connected with the water inlet of the valve body through the threaded connection with the valve body.
Preferably, the end part of the joint is provided with a clamping table, one end of the connecting nut is provided with a clamping table bearing part, the joint is provided with a second hard sealing surface, and the connecting nut is in threaded connection with the valve body so that the joint is in hard sealing connection with the water inlet of the valve body.
Preferably, the locking nut is provided with a first concave groove, and the first sealing ring is arranged in the first concave groove.
Preferably, a second concave groove is formed in the valve rod, and the second sealing ring is installed in the second concave groove.
Preferably, the first hard sealing surface is a plane and is in tight contact with the water outlet of the valve body to form a line seal, so that the function of hard sealing is achieved.
Preferably, the second hard sealing surface is a circular table surface, and is in close contact with the water inlet of the valve body to form surface sealing, so that the hard sealing function is achieved.
Has the advantages that: the radiator locking valve disclosed by the utility model has the advantages of reliable sealing performance, good mechanical performance and low installation and operation cost through a hard sealing structure. The pipeline corrosion-resistant device can effectively resist media with high temperature and strong corrosivity in the pipeline, the service life is prolonged, meanwhile, the structure is simple, the number of required parts is small, materials are saved, the cost is reduced, and the assembly is simple.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals
1. Nut, 2, first sealing washer, 3, second sealing washer, 4, lock nut, 5, valve rod, 6, valve body, 7, joint, 8, coupling nut, 9, water inlet, 10, delivery port.
Detailed Description
Hereinafter, a detailed description will be given of a specific embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the locking valve for the heating radiator comprises a valve body 6, a water inlet 9 is arranged at the right end of the valve body 6, a water outlet 10 is arranged at the lower end of the valve body 6, a locking assembly is arranged at the upper end of the valve body 6, the locking assembly comprises a hollow locking nut 4 arranged in the valve body 6, a valve rod 5 is arranged in the locking nut 4, the lower end face of the valve rod 5 is a first hard sealing face, the locking nut 4 is in threaded connection with the valve body 6 and the valve rod 5 respectively, and the valve rod 5 is in threaded connection and moves up and down to close and open the water outlet 10.
Preferably, the middle part of the upper end of the valve rod 5 is provided with a section of hexagonal blind hole, and the valve rod can move up and down through the rotation of the hexagonal blind hole. The valve rod 5 is driven to rotate by the hexagonal wrench and moves up and down along the threaded connection, and when the valve rod rotates downwards, the first hard sealing surface of the valve rod 5 is in contact with the water outlet 10 of the valve body 6 and is sealed hard, so that the water outlet 10 is turned off, and a locking medium flows.
The upper end of the valve body 6 is provided with a nut 1, and the nut 1 is in threaded connection with the valve body 6 and used for covering the locking nut 4.
The right end of the valve body 6 is provided with a joint 7 and a connecting nut 8, and the connecting nut 8 is connected with the water inlet 9 of the valve body 6 through the threaded connection with the valve body 6. The end part of the joint 7 is provided with a clamping table, one side of the connecting nut 8 is also provided with a clamping table bearing part, the joint 7 is provided with a second hard sealing surface, and the connecting nut 8 is in threaded connection with the valve body 6 so that the joint 7 is in hard sealing connection with the water inlet 9 of the valve body 6.
Preferably, the locking nut 4 is provided with a first concave groove and a second concave groove, and the first sealing ring 2 is arranged in the first concave groove. And a second concave groove is formed in the valve rod 5, and the second sealing ring 3 is arranged in the second concave groove. Preferably, the first sealing ring 2 and the second sealing ring 3 are O-rings, and silicone oil is coated on the O-rings, so that the medium is prevented from flowing out of the valve body better.
Preferably, the first hard sealing surface is a plane and is in tight contact with the water outlet 10 of the valve body 6 to form a line seal, so as to achieve the function of hard sealing. Preferably, the second hard sealing surface is a circular table surface, and is in close contact with the water inlet 9 of the valve body 6 to form surface sealing, so that the hard sealing function is achieved. Of course, the hard sealing structure of the water inlet 9 can form a line seal, the hard sealing structure of the water outlet 10 can form a surface seal, and the structures of the first hard sealing surface and the second hard sealing surface are changed correspondingly according to the sealing requirement.
The radiator locking valve disclosed by the utility model has the advantages of reliable sealing performance, good mechanical performance and low installation and operation cost through a hard sealing structure. The pipeline corrosion-resistant device can effectively resist media with high temperature and strong corrosivity in the pipeline, the service life is prolonged, meanwhile, the structure is simple, the number of required parts is small, materials are saved, the cost is reduced, and the assembly is simple.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the utility model within the protection scope of the present invention.
Claims (9)
1. The utility model provides a radiator lock valve, includes the valve body, its characterized in that: the water outlet of the valve body is cut off and opened by the aid of the locking nut, the valve rod is in threaded connection with the valve body and the valve rod respectively, and the valve rod can move up and down through the threaded connection.
2. A radiator lock valve according to claim 1, wherein: the middle part of the upper section of the valve rod is provided with a section of hexagonal blind hole, and the valve rod can move up and down through the rotation of the hexagonal blind hole.
3. A radiator lock valve according to claim 2, wherein: the upper end of the valve body is provided with a nut, and the nut is in threaded connection with the valve body.
4. A radiator lock valve according to claim 3, wherein: the right end of the valve body is provided with a joint and a connecting nut, and the connecting nut is in threaded connection with the valve body to enable the joint to be connected with the water inlet of the valve body.
5. A radiator lock valve according to claim 4, wherein: the end part of the joint is provided with a clamping table, one end of the connecting nut is provided with a clamping table receiving part, the joint is provided with a second hard sealing surface, and the connecting nut is in threaded connection with the valve body to enable the joint to be in hard sealing connection with the water inlet of the valve body.
6. A radiator lock valve according to claim 5, wherein: the locking nut is provided with a first concave groove,
a first seal ring is arranged in the first concave groove.
7. A radiator lock valve according to claim 6, wherein: a second concave groove is arranged on the valve rod,
and a second sealing ring is arranged in the second concave groove.
8. A radiator lock valve according to claim 7, wherein: the first hard sealing surface is a plane, and the line between the first hard sealing surface and the water outlet is sealed.
9. A radiator lock valve according to claim 8, wherein: the second hard sealing surface is a circular table surface, and the second hard sealing surface is sealed with the water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821718.9U CN216382583U (en) | 2021-08-05 | 2021-08-05 | Locking valve for radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821718.9U CN216382583U (en) | 2021-08-05 | 2021-08-05 | Locking valve for radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382583U true CN216382583U (en) | 2022-04-26 |
Family
ID=81238800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121821718.9U Active CN216382583U (en) | 2021-08-05 | 2021-08-05 | Locking valve for radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382583U (en) |
-
2021
- 2021-08-05 CN CN202121821718.9U patent/CN216382583U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |