CN201934407U - Hydraulic ultrahigh-pressure proportional overflow valve - Google Patents
Hydraulic ultrahigh-pressure proportional overflow valve Download PDFInfo
- Publication number
- CN201934407U CN201934407U CN2010206609330U CN201020660933U CN201934407U CN 201934407 U CN201934407 U CN 201934407U CN 2010206609330 U CN2010206609330 U CN 2010206609330U CN 201020660933 U CN201020660933 U CN 201020660933U CN 201934407 U CN201934407 U CN 201934407U
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- Prior art keywords
- valve
- proportional
- pressure
- ultrahigh pressure
- ultrahigh
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a hydraulic ultrahigh-pressure proportional overflow valve, which comprises a ultrahigh-pressure proportional overflow valve, a leading overflow valve and a direct-acting proportional overflow valve, wherein the ultrahigh-pressure proportional overflow valve is formed by joining a ultrahigh pressure inlet flange and a proportional valve oil inlet flange, the proportional valve oil inlet flange is provided with a proportional valve oil inlet, an overflow valve body is arranged between the ultrahigh pressure inlet flange and the proportional valve oil inlet flange, the bottom part of the overflow valve body is provided with an overflow valve oil return port, the middle part of the overflow valve body is provided with a hydraulic cylinder, the right side of the hydraulic cylinder is connected with the proportional valve oil inlet flange through a push cone valve, the proportional valve oil inlet flange is sealed with the hydraulic cylinder through a sealing ring, and the left side of the hydraulic cylinder is connected with a ultrahigh pressure valve sleeve through a cone valve core. The utility model has the beneficial effects that: the hydraulic ultrahigh-pressure proportional overflow valve has the characteristics of high pressure resistance, abrasion resistance, wide work medium, high safety and the like. A valve seat and the cone valve are easy to disassemble and replace, and the service life is long.
Description
Technical field
The utility model relates to a kind of ultrahigh pressure proportional pressure control valve that surges.
Background technique
Valve is an indispensable unit in hydraulic transmission and the control system, specification, kind are a lot, wherein relief valve is used in the pressure control aspect usually, and existing relief valve for example direct-acting overflow valve under the spring pressure effect on the poppet valve core, come controlling liquid pressure by spring by screw press Regulation spring pressure.This structural type can only be applicable to the occasion that requires control accuracy lower because the structural feature of poppet valve core causes pilot pressure stability and pressure regulation ratio of precision lower.
The model utility content
The purpose of this utility model provides a kind of ultrahigh pressure proportional pressure control valve that surges, have high pressure resistant, wear resistance, working medium is wide, characteristics such as Security height.Valve seat, cone valve replacing easy to assemble, the characteristics of long service life overcome the deficiency of above-mentioned aspect in the existing product.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of ultrahigh pressure proportional pressure control valve that surges, comprise the ultrahigh pressure relief valve, precursor overflow valve and straight moving proportional pressure control valve, described ultrahigh pressure proportional flow control valve is connected and composed by ultrahigh pressure inlet flange and Proportional valve oil-feed flange, Proportional valve oil-feed flange is provided with the Proportional valve filler opening, be provided with the overflow valve body between ultrahigh pressure inlet flange and the Proportional valve oil-feed flange, overflow valve body bottom is provided with the relief valve return opening, the middle part of overflow valve body is provided with into oil hydraulic cylinder, become the right side of oil hydraulic cylinder to be connected with Proportional valve oil-feed flange by promoting cone valve, Proportional valve oil-feed flange seals by seal ring with becoming between the oil hydraulic cylinder, become the taper valve core that passes on left of oil hydraulic cylinder to connect the ultrahigh pressure valve pocket, ultrahigh pressure valve pocket bottom is provided with the ultrahigh pressure valve seat, ultrahigh pressure valve pocket left side is connected with the ultrahigh pressure inlet flange and by the sealing of superhigh pressure sealing circle, ultrahigh pressure inlet flange upper end is provided with the superhigh pressure liquid inlet; Described ultrahigh pressure proportional pressure control valve upper end is by connecting the overflow valve body, the both sides of overflow valve body are installed nut by relief valve and are connected precursor overflow valve, the upper end of overflow valve body is provided with straight moving proportional pressure control valve, straight moving proportional flow control valve inside is provided with the safety valve pressure regulating lever, the bottom of safety valve pressure regulating lever is by locking nut attachment security valve, the electromagnet that passes on left of straight moving proportional flow control valve is installed nut connection proportion electro-magnet, the proportion electro-magnet upper end connects power plug by power socket, and the right-hand member of proportion electro-magnet is provided with relief opening.
The beneficial effects of the utility model are: the valve seat of the ultrahigh pressure proportional pressure control valve that surges, cone valve all adopts the accurate development of superhard alloy steel, be from more than four times of ultrahigh pressure relief valve in the past its working life, its Security tubular type ultrahigh pressure relief valve in the past can't be compared, the ultrahigh pressure proportional pressure control valve that surges has high pressure resistant, wear resistance, working medium is wide, characteristics such as Security height.Valve seat, cone valve replacing easy to assemble, the long-term use need not complete replacing valve body, only needs replacing valve seat, cone valve just can use for a long time.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the plan view of the described ultrahigh pressure proportional pressure control valve that surges of the utility model embodiment;
Fig. 2 is the side view of the described ultrahigh pressure proportional pressure control valve that surges of the utility model embodiment;
Fig. 3 is the plan view of the described ultrahigh pressure proportional pressure control valve that surges of the utility model embodiment;
Fig. 4 is the cut-away view of the ultrahigh pressure proportional pressure control valve in the described ultrahigh pressure proportional pressure control valve that surges of the utility model embodiment.
Among the figure:
1, ultrahigh pressure proportional pressure control valve; 2, precursor overflow valve; 3, directly moving proportional pressure control valve; 4, ultrahigh pressure inlet flange; 5, Proportional valve oil-feed flange; 6, Proportional valve filler opening; 7, relief valve return opening; 8, become oil hydraulic cylinder; 9, promote plunger; 10, seal ring; 11, taper valve core; 12, ultrahigh pressure valve pocket; 13, ultrahigh pressure valve seat; 14, superhigh pressure sealing circle; 15, superhigh pressure liquid inlet; 16, overflow valve body; 17, relief valve is installed screw; 18, safety valve pressure regulating lever; 19, locking nut; 20, safety valve; 21, electromagnet is installed screw; 22, proportion electro-magnet; 23, power socket; 24, power plug; 25, ultrahigh pressure overflow valve body; 26, relief opening, 27, ultrahigh pressure overflows back hydraulic fluid port.
Embodiment
Shown in Fig. 1-4, the described a kind of ultrahigh pressure proportional pressure control valve that surges of the utility model embodiment, comprise ultrahigh pressure proportional pressure control valve 1, precursor overflow valve 2 and straight moving proportional pressure control valve 3, described ultrahigh pressure proportional flow control valve 1 is connected and composed by ultrahigh pressure inlet flange 4 and Proportional valve oil-feed flange 5, Proportional valve oil-feed flange 5 is provided with Proportional valve filler opening 6, be provided with ultrahigh pressure overflow valve body 25 between ultrahigh pressure inlet flange 4 and the Proportional valve oil-feed flange 5, proportional pressure control valve body 25 bottoms are provided with relief valve return opening 7, the middle part of ultrahigh pressure overflow valve body 25 is provided with into oil hydraulic cylinder 8, become the right side of oil hydraulic cylinder 8 to be connected with Proportional valve oil-feed flange 5 by promoting plunger 9, Proportional valve oil-feed flange 5 with become between the oil hydraulic cylinder 8 by seal ring 10 sealings, become the taper valve core 11 that passes on left of oil hydraulic cylinder 8 to connect ultrahigh pressure valve pocket 12, ultrahigh pressure valve pocket 12 bottoms are provided with ultrahigh pressure valve seat 13, ultrahigh pressure valve pocket 12 left sides are connected with ultrahigh pressure inlet flange 4 and by 14 sealings of superhigh pressure sealing circle, ultrahigh pressure inlet flange 4 upper ends are provided with superhigh pressure liquid inlet 15; Described ultrahigh pressure proportional pressure control valve 1 upper end connects overflow valve body 16, the both sides of overflow valve body 16 are installed screw 17 by relief valve and are connected precursor overflow valve 2, the upper end of overflow valve body 16 is provided with straight moving proportional pressure control valve 3, straight moving proportional flow control valve 3 inside are provided with safety valve pressure regulating lever 18, the bottom of safety valve pressure regulating lever 18 is by locking nut 19 attachment security valves 20, the electromagnet that passes on left of straight moving proportional flow control valve 3 is installed screw 21 connection proportion electro-magnets 22, proportion electro-magnet 22 upper ends connect power plug 24 by power socket 23, the right-hand member of proportion electro-magnet 22 is provided with relief opening 26, and proportion electro-magnet 22 bottoms are provided with ultrahigh pressure flow-off 27.
Claims (1)
1. ultrahigh pressure proportional pressure control valve that surges, comprise ultrahigh pressure relief valve (1), precursor overflow valve (2) and straight moving proportional pressure control valve (3), it is characterized in that: described ultrahigh pressure proportional flow control valve (1) is connected and composed by ultrahigh pressure inlet flange (4) and Proportional valve oil-feed flange (5), Proportional valve oil-feed flange (5) is provided with Proportional valve filler opening (6), be provided with ultrahigh pressure overflow valve body (25) between ultrahigh pressure inlet flange (4) and the Proportional valve oil-feed flange (5), ultrahigh pressure overflow valve body (25) bottom is provided with relief valve return opening (7), the middle part of ultrahigh pressure overflow valve body (25) is provided with into oil hydraulic cylinder (8), become the right side of oil hydraulic cylinder (8) to be connected with Proportional valve oil-feed flange (5) by promoting cone valve (9), Proportional valve oil-feed flange (5) with become between the oil hydraulic cylinder (8) by seal ring (10) sealing, become the taper valve core (11) that passes on left of oil hydraulic cylinder (8) to connect ultrahigh pressure valve pocket (12), ultrahigh pressure valve pocket (12) bottom is provided with ultrahigh pressure valve seat (13), ultrahigh pressure valve pocket (12) left side is connected with ultrahigh pressure inlet flange (4) and by superhigh pressure sealing circle (14) sealing, ultrahigh pressure inlet flange (4) upper end is provided with superhigh pressure liquid inlet (15); Described ultrahigh pressure proportional pressure control valve (1) upper end connects overflow valve body (16), the both sides of overflow valve body (16) are installed nut (17) by relief valve and are connected precursor overflow valve (2), the upper end of overflow valve body (16) is provided with straight moving proportional pressure control valve (3), straight moving proportional flow control valve (3) inside is provided with safety valve pressure regulating lever (18), the bottom of safety valve pressure regulating lever (18) is by locking nut (19) attachment security valve (20), the electromagnet that passes on left of straight moving proportional flow control valve (3) is installed nut (21) connection proportion electro-magnet (22), proportion electro-magnet (22) upper end connects power plug (24) by power socket (23), and the right-hand member of proportion electro-magnet (22) is provided with relief opening (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206609330U CN201934407U (en) | 2010-12-15 | 2010-12-15 | Hydraulic ultrahigh-pressure proportional overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206609330U CN201934407U (en) | 2010-12-15 | 2010-12-15 | Hydraulic ultrahigh-pressure proportional overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934407U true CN201934407U (en) | 2011-08-17 |
Family
ID=44445926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206609330U Expired - Fee Related CN201934407U (en) | 2010-12-15 | 2010-12-15 | Hydraulic ultrahigh-pressure proportional overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214156A (en) * | 2014-08-20 | 2014-12-17 | 海门市油威力液压工业有限责任公司 | High-flow ultrahigh-pressure directly operated type proportional overflow valve |
| CN104265716A (en) * | 2014-10-23 | 2015-01-07 | 西华大学 | Ultrahigh pressure pilot operated relief valve |
-
2010
- 2010-12-15 CN CN2010206609330U patent/CN201934407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214156A (en) * | 2014-08-20 | 2014-12-17 | 海门市油威力液压工业有限责任公司 | High-flow ultrahigh-pressure directly operated type proportional overflow valve |
| CN104265716A (en) * | 2014-10-23 | 2015-01-07 | 西华大学 | Ultrahigh pressure pilot operated relief valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20131215 |