CN115854092A - Ultrahigh pressure proportional control pressure regulating valve - Google Patents
Ultrahigh pressure proportional control pressure regulating valve Download PDFInfo
- Publication number
- CN115854092A CN115854092A CN202211642681.2A CN202211642681A CN115854092A CN 115854092 A CN115854092 A CN 115854092A CN 202211642681 A CN202211642681 A CN 202211642681A CN 115854092 A CN115854092 A CN 115854092A
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- ejector rod
- valve core
- valve
- cylinder
- proportional control
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Abstract
The proportional control hydraulic cylinder comprises a cylinder barrel and a cylinder piston; the proportional control hydraulic cylinder is arranged on the valve base through a connecting screw rod; the valve core ejector rod is arranged in the piston hole of the oil cylinder, a groove is arranged on the end surface of the front section of the valve core ejector rod, a steel ball is placed in the groove, a limit ring is arranged on the outer ring of the middle section of the valve core ejector rod, an ejector rod spring is sleeved outside the rear section of the valve core ejector rod, one end of the ejector rod spring abuts against the lower end of the limit ring, the other end of the ejector rod spring abuts against the bottom surface of the piston hole of the oil cylinder, and the valve core ejector rod is driven to press the steel ball on a pressure regulating conical surface of the valve core at the upper end of the valve core ejector rod; the valve core is provided with a damping hole, the lower end of the damping hole is a pressure regulating conical surface, and the valve core is installed in the valve base and is locked through the matching of a joint and a joint nut. The advantages are that: simple structure, long service life, stable operation and low noise.
Description
Technical Field
The invention relates to an ultrahigh pressure proportional control pressure regulating valve.
Background
The existing double-pressure regulating device for the pressure regulating valve comprises a pressure regulating valve body and a main leather membrane assembly, wherein the main leather membrane assembly is arranged in the pressure regulating valve body, divides the pressure regulating valve body into a linkage air pressure cavity and a pressure regulating cavity which are sealed and separated, acts on the main leather membrane assembly and is used for regulating the position of the main leather membrane assembly, and the double-pressure regulating device comprises a pressure regulating transition assembly, a main regulating sleeve and a fine regulating member which directly or indirectly act on the main leather membrane assembly; the main adjusting sleeve is movably connected to the pressure adjusting valve body; the fine adjustment piece is movably connected to the main adjusting sleeve and is abutted to or connected with the pressure adjusting transition assembly. The disadvantages are that: the device can not work under the condition of ultrahigh pressure, and has the problems of short service life, unstable work and high noise.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an ultrahigh pressure proportional control pressure regulating valve.
In order to achieve the purpose, the invention adopts the following technical scheme: an ultrahigh pressure proportional control pressure regulating valve comprises a proportional control hydraulic cylinder, a valve core ejector rod, a steel ball, an ejector rod spring, a connector and a connector nut, wherein the valve core, the valve core ejector rod, the steel ball, the ejector rod spring, the connector and the connector nut are arranged in a valve base; the proportional control hydraulic cylinder is arranged on the valve base through a connecting screw rod; the valve core ejector rod is arranged in the piston hole of the oil cylinder, a groove is arranged on the end surface of the front section of the valve core ejector rod, a steel ball is placed in the groove, a limit ring is arranged on the outer ring of the middle section of the valve core ejector rod, an ejector rod spring is sleeved outside the rear section of the valve core ejector rod, one end of the ejector rod spring abuts against the lower end of the limit ring, the other end of the ejector rod spring abuts against the bottom surface of the piston hole of the oil cylinder, and the valve core ejector rod is driven to press the steel ball on a pressure regulating conical surface of the valve core at the upper end of the valve core ejector rod; the valve core is provided with a damping hole, the lower end of the damping hole is a pressure regulating conical surface, and the valve core is installed in the valve base and is locked through the matching of a joint and a joint nut.
Furthermore, an overflow hole is formed in the wall of the front end of the cylinder barrel.
Furthermore, the proportional control hydraulic cylinder also comprises a cylinder bottom, a piston seal and a piston return spring; the cylinder bottom is fixedly connected with the valve base through a connecting screw rod, one end of the cylinder barrel is sleeved on the outer side of the protrusion in the center of the cylinder bottom in a sealing connection mode, the other end of the cylinder barrel is sleeved on the inner side of the inner concave wall in the center of the valve base in a sealing connection mode, the oil cylinder piston is arranged in the cylinder barrel, a piston seal is arranged between the outer wall of the oil cylinder piston and the inner wall of the cylinder barrel, and a piston return spring is further arranged between the upper end face of the oil cylinder piston and the lower end of the valve core.
The invention has the beneficial effects that: simple structure, long service life, stable operation and low noise.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
Fig. 2 is a sectional view.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Embodiment 1 refers to fig. 1-2, an ultrahigh pressure proportional control pressure regulating valve comprises a proportional control hydraulic cylinder 1, a valve core 3, a valve core ejector rod 4, steel balls 5, an ejector rod spring 6, a joint 7 and a joint nut 8, wherein the valve core 3, the valve core ejector rod 4, the steel balls 5, the ejector rod spring 6, the joint 7 and the joint nut 8 are arranged in a valve base 2; the proportional control hydraulic cylinder is arranged on the valve base through a connecting screw rod 12; the valve core ejector rod is arranged in the oil cylinder piston hole, a groove is arranged on the end face of the front section of the valve core ejector rod, a steel ball is placed in the groove, a limiting ring 11 is arranged on the outer ring of the middle section of the valve core ejector rod, an ejector rod spring is sleeved outside the rear section of the valve core ejector rod, one end of the ejector rod spring abuts against the lower end of the limiting ring, the other end of the ejector rod spring abuts against the bottom surface of the oil cylinder piston hole, and the valve core ejector rod is driven to press the steel ball on a pressure regulating conical surface of the valve core at the upper end of the valve core ejector rod; the valve core is provided with a damping hole 13, the lower end of the damping hole is a pressure regulating conical surface 14, and the valve core is installed in the valve base and is locked through the matching of a joint and a joint nut.
The patent refers to the field of 'non-positive-displacement pumps'.
An overflow hole 19 is arranged on the cylinder wall at the front end of a cylinder barrel.
The proportional control hydraulic cylinder also comprises a cylinder bottom 15, a piston seal and a piston return spring 16; the cylinder bottom is fixedly connected with the valve base through a connecting screw rod, one end of the cylinder barrel is sleeved on the outer side of the protrusion in the center of the cylinder bottom in a sealing connection mode, the other end of the cylinder barrel is sleeved on the inner side of the inner concave wall in the center of the valve base in a sealing connection mode, the oil cylinder piston is arranged in the cylinder barrel, a piston seal is arranged between the outer wall of the oil cylinder piston and the inner wall of the cylinder barrel, and a piston return spring is further arranged between the upper end face of the oil cylinder piston and the lower end of the valve core.
The upper end surface of an oil cylinder piston is also provided with a circle of first limiting bulges 17, and a piston return spring is sleeved outside the first limiting bulges.
An ultrahigh pressure proportional control pressure regulating valve, wherein the center of a first limit bulge is provided with an oil cylinder piston hole 18.
The utility model provides an ultrahigh pressure proportional control air-vent valve, is equipped with the case chamber in the valve base, and in case chamber lower extreme intercommunication cylinder, and case chamber lower extreme installation case, case chamber upper end insert the joint, and the joint lower extreme supports on the case, and the joint lower extreme is greater than the joint upper end, and the joint nut overlaps outside the joint upper end and on the base joint lower extreme to it is fixed with case chamber upper end threaded connection.
The lower end of a joint is in a circular truncated cone shape, the large bottom surface of the circular truncated cone shape is connected with the upper end of the joint, and the upper end of the joint is in a cylindrical shape. The center of the joint is communicated with the damping hole.
The utility model provides an ultrahigh pressure proportional control air-vent valve, the damping hole of case is the inclined plane, and the lateral wall and the damping hole laminating of joint lower extreme.
The proportional control hydraulic cylinder is connected with a proportional valve.
The utility model provides an ultrahigh pressure proportional control air-vent valve, through the pressure of setting for proportional valve pressure control proportional control pneumatic cylinder, the hydro-cylinder piston promotes valve element ejector pin and steel ball to the case and uses pressure on the pressure regulating conical surface of case, and the ultrahigh pressure of case is less than the pressure that proportional control pneumatic cylinder used on the steel ball, and steel ball and case are in the closure state, and the ultrahigh pressure of case is greater than the pressure that proportional control pneumatic cylinder used on the steel ball, and ultrahigh pressure jack-up steel ball release pressure is balanced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (3)
1. An ultrahigh pressure proportional control pressure regulating valve comprises a proportional control hydraulic cylinder, a valve core ejector rod, a steel ball, an ejector rod spring, a joint and a joint nut, wherein the valve core, the valve core ejector rod, the steel ball, the ejector rod spring, the joint and the joint nut are arranged in a valve base; the method is characterized in that: the proportional control hydraulic cylinder is arranged on the valve base through a connecting screw rod; the valve core ejector rod is arranged in the piston hole of the oil cylinder, a groove is arranged on the end surface of the front section of the valve core ejector rod, a steel ball is placed in the groove, a limit ring is arranged on the outer ring of the middle section of the valve core ejector rod, an ejector rod spring is sleeved outside the rear section of the valve core ejector rod, one end of the ejector rod spring abuts against the lower end of the limit ring, the other end of the ejector rod spring abuts against the bottom surface of the piston hole of the oil cylinder, and the valve core ejector rod is driven to press the steel ball on a pressure regulating conical surface of the valve core at the upper end of the valve core ejector rod; the valve core is provided with a damping hole, the lower end of the damping hole is a pressure regulating conical surface, and the valve core is installed in the valve base and is locked through the matching of a joint and a joint nut.
2. The ultrahigh pressure proportional control pressure regulating valve according to claim 1, wherein: the front end of the cylinder barrel is provided with an overflow hole on the cylinder wall.
3. The ultrahigh pressure proportional control pressure regulating valve according to claim 1, wherein: the proportional control hydraulic cylinder also comprises a cylinder bottom, a piston seal and a piston return spring; the cylinder bottom is fixedly connected with the valve base through a connecting screw rod, one end of the cylinder barrel is sleeved on the outer side of the protrusion in the center of the cylinder bottom in a sealing connection mode, the other end of the cylinder barrel is sleeved on the inner side of the inner concave wall in the center of the valve base in a sealing connection mode, the oil cylinder piston is arranged in the cylinder barrel, a piston seal is arranged between the outer wall of the oil cylinder piston and the inner wall of the cylinder barrel, and a piston return spring is further arranged between the upper end face of the oil cylinder piston and the lower end of the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211642681.2A CN115854092A (en) | 2022-12-20 | 2022-12-20 | Ultrahigh pressure proportional control pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211642681.2A CN115854092A (en) | 2022-12-20 | 2022-12-20 | Ultrahigh pressure proportional control pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115854092A true CN115854092A (en) | 2023-03-28 |
Family
ID=85674566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211642681.2A Pending CN115854092A (en) | 2022-12-20 | 2022-12-20 | Ultrahigh pressure proportional control pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115854092A (en) |
-
2022
- 2022-12-20 CN CN202211642681.2A patent/CN115854092A/en active Pending
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