CN217272020U - Regulating valve with threaded connection valve port ring structure - Google Patents
Regulating valve with threaded connection valve port ring structure Download PDFInfo
- Publication number
- CN217272020U CN217272020U CN202220109149.3U CN202220109149U CN217272020U CN 217272020 U CN217272020 U CN 217272020U CN 202220109149 U CN202220109149 U CN 202220109149U CN 217272020 U CN217272020 U CN 217272020U
- Authority
- CN
- China
- Prior art keywords
- valve
- ring
- valve body
- threaded connection
- valve rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a governing valve with threaded connection valve port ring structure, including valve body, sealed letter and valve rod, its characterized in that: a valve orifice ring is arranged in the valve body, is in threaded connection with the valve orifice ring and is sealed by high-temperature anaerobic adhesive; a sealing box is arranged at the top of the valve body and forms an upper sealing structure with the valve rod; a valve core is movably arranged below the valve rod, a stainless steel nut is movably connected to the bottom end of the valve rod, and a spring washer is movably arranged between the stainless steel nut and the valve rod; the valve core is driven by the valve rod to do reciprocating motion and is matched with the valve port ring to control the medium flow, and the valve core and the valve body are sealed by a flooding plug for energy storage; the bottom of the valve body is fixedly provided with a blind plate, and a metal winding pad is movably arranged between the blind plate and the valve body. This governing valve with threaded connection valve port ring structure, the valve port ring of governing valve be threaded connection, and easy to assemble also can avoid producing the obscission.
Description
Technical Field
The utility model relates to a governing valve technical field specifically is a governing valve with threaded connection valve port loop constructs.
Background
In the modern industrial control process, the regulating valve is one of indispensable executive components, belongs to a control valve series, can control technological parameters such as flow, pressure, temperature, liquid level of a medium, and automatically regulates the opening degree of the valve according to the change of a control signal in a system, thereby realizing the regulation of the medium, the flow, the pressure, the temperature and the liquid level.
The working principle of the regulating valve is as follows: the opening of the valve is adjusted to change the flow of the medium passing through the valve, so that the adjustment of temperature, pressure or liquid level and the like is achieved, and the set requirement is met.
The valve port ring of the existing regulating valve is made of stainless steel, the valve body is made of cast iron, the combination of the stainless steel and the cast iron is that a liquid nitrogen cold assembly process is often adopted, and when the finished valve is used, the valve port ring is easy to fall off, so that the valve fault is caused; when the sealing box is used, due to the problems of coaxiality and the like, the O-shaped ring is easy to wear, and the upper sealing position is leaked; original case is non-balanced formula, and when the valve was closed, very big pulling force can be received to the valve rod, and the valve rod fracture phenomenon appears, also needs actuating mechanism to provide very big pulling force, and big pulling force electric actuator is costly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a governing valve with threaded connection valve port ring constructs to propose that the valve port ring drops, easily reveals, supporting too high problem of cost in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a governing valve with threaded connection valve port ring structure, includes valve body, sealing box and valve rod, its characterized in that: a valve orifice ring is arranged in the valve body, is in threaded connection with the valve orifice ring and is sealed by high-temperature anaerobic adhesive;
a sealing box is arranged at the top of the valve body and forms an upper sealing structure with the valve rod;
a valve core is movably arranged below the valve rod, a stainless steel nut is movably connected to the bottom end of the valve rod, and a spring washer is movably arranged between the stainless steel nut and the valve rod;
the valve core is driven by the valve rod to do reciprocating motion and is matched with the valve port ring to control the medium flow, and the valve core and the valve body are sealed by a flooding plug for energy storage; the bottom of the valve body is fixedly provided with a blind plate, a metal winding pad is movably arranged between the blind plate and the blind plate, and the valve body and the blind plate are connected through a carbon steel hexagon bolt and a carbon steel hexagon nut.
Preferably, the sealing box comprises a sleeve, an oilless bearing, a rubber sealing ring, a dustproof ring, a baffle ring and a red copper sealing gasket;
the oilless bearing is matched with the valve rod, so that the coaxiality of assembly is improved, and lubrication is provided; lubricating grease is filled in the groove in the upper part of the oilless bearing to provide lubrication for the valve rod;
the sealing box and the valve body are in threaded connection, and the sealing box and the valve body are sealed through a red copper sealing gasket.
Preferably, the rubber sealing ring is of an annular structure, the longitudinal section of the rubber sealing ring is of a circular structure, the oilless bearing, the rubber sealing ring, the dust ring and the baffle ring are sequentially arranged in a longitudinal stepped shaft type manner, and the oilless bearing, the rubber sealing ring, the dust ring and the baffle ring are all installed at the bottom end inside the sleeve in an embedded manner;
the inner diameters of the oilless bearing, the rubber sealing ring, the dustproof ring and the baffle ring are equal, and the outer diameters of the oilless bearing, the rubber sealing ring, the dustproof ring and the baffle ring are gradually increased.
Preferably, the valve port ring is in threaded connection with the valve body, and two circular mounting blind holes are formed in the surface of the valve port ring.
Preferably, four through holes are formed in the middle supporting plate of the valve core and used for balancing pressure of a medium on the valve core and reducing tension borne by the valve rod.
Preferably, the upper part of the valve core is in a window type, and the flow characteristic is equal percentage flow characteristic.
Compared with the prior art, the beneficial effects of the utility model are that: this governing valve with threaded connection valve port ring structure:
(1) the valve port ring of the regulating valve is in threaded connection, so that the regulating valve is convenient to install and can avoid the falling-off phenomenon;
(2) the sealing box has good coaxiality, reduces the abrasion of the sealing element, prolongs the service life of the sealing element, and is characterized in that an oil bearing, a rubber sealing ring, a dustproof ring and a baffle ring are arranged at the bottom end inside the sealing box, the outer diameter of the oil bearing, the rubber sealing ring, the dustproof ring and the baffle ring is gradually increased and is arranged on the outer side of the valve rod in a stepped shaft shape, so that the valve rod is stably supported and prevented from leaking when the valve rod rotates;
(3) the valve core is provided with the balance hole, so that the pulling force borne by the valve rod is reduced, the power required by the actuating device is also reduced, and meanwhile, the cost is saved.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the regulating valve of the present invention;
FIG. 2 is a schematic view of the sealing box of the present invention;
FIG. 3 is a schematic view of the valve port ring structure of the present invention;
fig. 4 is a schematic view of the general plug seal structure of the present invention.
In the figure: 1. a valve body; 2. a valve orifice ring;
3. sealing the box; 301. a sleeve; 302. oilless bearings; 303. a rubber seal ring; 304. a dust ring; 305. A baffle ring; 306. a red copper seal gasket;
4. a valve stem; 5. a valve core; 6. a spring washer; 7. a stainless steel nut; 8. plugging and sealing; 9. a metal wrap pad; 10. a blind plate; 11. carbon steel hexagon bolts; 12. carbon steel hexagon nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a regulating valve with a threaded connection valve port ring structure is characterized in that a valve port ring 2 is arranged in a valve body 1, is in threaded connection with the valve port ring, and is sealed by high-temperature anaerobic adhesive; a sealing box 3 is arranged at the top of the valve body 1 and forms an upper sealing structure with the valve rod 4; a valve core 5 is movably arranged below the valve rod 4, the bottom end of the valve rod 4 is movably connected with a stainless steel nut 7, and a spring washer 6 is movably arranged between the stainless steel nut 7 and the valve rod 4; the valve core 5 is driven by the valve rod 4 to do reciprocating motion and is matched with the valve port ring 2 to control the medium flow, and the valve core 5 and the valve body 1 are sealed by the flooding plug 8 for energy storage; the bottom of the valve body 1 is fixedly provided with a blind plate 10, a metal winding pad 9 is movably arranged between the blind plate and the valve body 1, and the valve body 1 and the blind plate 10 are connected by a carbon steel hexagon bolt 11 and a carbon steel hexagon nut 12.
As shown in fig. 2, the sealing box 3 includes a sleeve 301, an oilless bearing 302, a rubber seal ring 303, a dust ring 304, a baffle ring 305, and a red copper seal 306;
wherein the oilless bearing 302 is matched with the valve rod 4, so that the coaxiality of assembly is improved and lubrication is provided; the groove at the upper part of the oilless bearing 302 is filled with lubricating grease to provide lubrication for the valve rod 4; wherein the sealing box 3 is in threaded connection with the valve body 1, and the sealing box and the valve body are sealed by a red copper sealing gasket 306.
The rubber sealing ring 303 is of an annular structure, the longitudinal section of the rubber sealing ring 303 is of a circular structure, the oilless bearing 302, the rubber sealing ring 303, the dust ring 304 and the baffle ring 305 are sequentially arranged in a longitudinal stepped shaft manner, and the oilless bearing 302, the rubber sealing ring 303, the dust ring 304 and the baffle ring 305 are all installed at the bottom end inside the sleeve 301 in an embedded manner; the inner diameters of the oilless bearing 302, the rubber seal ring 303, the dust seal ring 304 and the baffle ring 305 are equal, and the outer diameters are gradually increased.
As shown in fig. 3, the orifice ring 2 has an external thread, and the surface thereof has two circular blind mounting holes, which can be mounted by a special tool.
The utility model discloses a theory of operation is: the oilless bearing 302 of the sealing box 3 is installed and used, so that the matching coaxiality of the valve rod 4 and the sealing box 3 is higher, and the original matching is the flexible matching between the rubber sealing ring 303 and the valve rod; after the valve is assembled, the valve rod 4 drives the valve core 5 to reciprocate, the medium flow is controlled by the position where the valve port ring 2 is matched with the valve core 5, when the valve core 5 moves upwards to be contacted with the valve port ring 2, the valve is closed, and the medium flows into a balance cavity at the lower part of the valve core 5 through four balance holes of the valve core 5, so that the pulling force received by the valve rod 4 when the valve core 5 is sealed is reduced.
In summary, the utility model provides a regulating valve with a threaded connection valve port ring structure, the valve port ring of the regulating valve is in threaded connection, which is convenient for installation and can avoid the falling off phenomenon; the sealing box has good coaxiality, reduces the abrasion of the sealing element and prolongs the service life of the sealing element; the valve core is provided with the balance hole, so that the pulling force borne by the valve rod is reduced, the power of the executing device is also reduced, and meanwhile, the cost is saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A governing valve with threaded connection valve port ring structure, includes valve body (1), sealing box (3) and valve rod (4), its characterized in that: the valve body (1) is internally provided with a valve orifice ring (2), the valve orifice ring and the valve orifice ring are in threaded connection and are sealed by high-temperature anaerobic adhesive;
a sealing box (3) is arranged at the top of the valve body (1) and forms an upper sealing structure with the valve rod (4);
a valve core (5) is movably mounted below the valve rod (4), a stainless steel nut (7) is movably connected to the bottom end of the valve rod (4), and a spring washer (6) is movably mounted between the stainless steel nut (7) and the valve rod (4);
the valve core (5) is driven by the valve rod (4) to do reciprocating motion and is matched with the valve port ring (2) for controlling the medium flow, and the valve core (5) and the valve body (1) are sealed by a flooding plug (8) for energy storage; the bottom of the valve body (1) is fixedly provided with a blind plate (10), a metal winding pad (9) is movably mounted between the blind plate and the blind plate, and the valve body (1) and the blind plate (10) are connected through a carbon steel hexagon bolt (11) and a carbon steel hexagon nut (12).
2. The regulator valve of claim 1, wherein: the sealing box (3) comprises a sleeve (301), an oilless bearing (302), a rubber sealing ring (303), a dustproof ring (304), a baffle ring (305) and a red copper sealing gasket (306);
wherein the oilless bearing (302) is matched with the valve rod (4) to improve the coaxiality of assembly and provide lubrication; the groove at the upper part of the oilless bearing (302) is filled with lubricating grease to provide lubrication for the valve rod (4);
wherein the sealing box (3) is in threaded connection with the valve body (1), and the sealing box and the valve body are sealed by a red copper sealing gasket (306);
the outside of sleeve (301) is installed red copper sealed pad (306), and red copper sealed pad (306).
3. The regulator valve of claim 2, wherein the regulator valve comprises a threaded valve orifice structure, and wherein: the rubber sealing ring (303) is of an annular structure, the longitudinal section of the rubber sealing ring (303) is of a circular structure, the oilless bearing (302), the rubber sealing ring (303), the dust ring (304) and the baffle ring (305) are sequentially arranged in a longitudinal stepped shaft type manner, and the oilless bearing (302), the rubber sealing ring (303), the dust ring (304) and the baffle ring (305) are all installed at the bottom end inside the sleeve (301) in an embedded manner;
the inner diameters of the oilless bearing (302), the rubber sealing ring (303), the dust ring (304) and the baffle ring (305) are equal, and the outer diameters are gradually increased.
4. The regulator valve of claim 1, wherein: the valve port ring (2) is in threaded connection with the valve body (1), and two circular mounting blind holes are formed in the surface of the valve port ring (2).
5. The regulator valve of claim 1, wherein: four through holes are formed in the middle supporting plate of the valve core (5) and used for balancing the pressure of a medium on the valve core (5) and reducing the tensile force borne by the valve rod (4).
6. The regulator valve of claim 1, wherein: the upper part of the valve core (5) is in a window type, and the flow characteristic is equal percentage flow characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220109149.3U CN217272020U (en) | 2022-01-17 | 2022-01-17 | Regulating valve with threaded connection valve port ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220109149.3U CN217272020U (en) | 2022-01-17 | 2022-01-17 | Regulating valve with threaded connection valve port ring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217272020U true CN217272020U (en) | 2022-08-23 |
Family
ID=82897011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220109149.3U Active CN217272020U (en) | 2022-01-17 | 2022-01-17 | Regulating valve with threaded connection valve port ring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217272020U (en) |
-
2022
- 2022-01-17 CN CN202220109149.3U patent/CN217272020U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214092845U (en) | Equivalent damping ratio hydraulic damper | |
| CN110578811A (en) | Piston type flow regulating valve | |
| CN217272020U (en) | Regulating valve with threaded connection valve port ring structure | |
| CN202176622U (en) | Leakage proof big-bearing type steel wire rope machine with circulating lubrication of liquid lubricant | |
| CN101354081A (en) | Electric regulating valve capable of completely cutting off seal | |
| CN112303280A (en) | PTFE ball valve with precise structure | |
| CN101354080B (en) | Cut-off type power-off reset electric valve | |
| CN111750113B (en) | Special equipment for gas pressure regulation | |
| CN210153195U (en) | Speed reducer of powder concentrator with cooling device | |
| CN211738048U (en) | Quick-repair type flushing-free double-core stop valve convenient to replace | |
| CN220185849U (en) | Flange connection type pneumatic butterfly valve | |
| CN209705408U (en) | A kind of suspension type labyrinth tube-in-tube structure | |
| CN218409498U (en) | Oil cold electricity drives shell of system's casing initiative lubricating-oil duct, oil cold electricity drives shell of system | |
| CN218934829U (en) | High-pressure pump heat abstractor | |
| CN219452895U (en) | Corrosion-resistant hydraulic valve | |
| CN201069015Y (en) | Shock absorption protection small torsion electric valve | |
| CN214945951U (en) | A inside pressure relief spring that prevents rustting for industrial water supply's solenoid valve | |
| CN201126015Y (en) | Fluid kinetic pressure type seal machine for kettle | |
| CN219198177U (en) | Detachable two-way regulating valve | |
| CN212429821U (en) | Top-mounted type hemisphere valve special for sludge | |
| CN216666660U (en) | Valve rod sealing structure of regulating valve | |
| CN215487948U (en) | Marine valve rod executor shock attenuation fixing device | |
| CN204533626U (en) | The adjustable ball valve fixed axle structure of a kind of anti-attrition | |
| CN201068990Y (en) | Electric regulating valve capable of entirely cutting off and sealing | |
| CN210509983U (en) | Novel bearing seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |