CN203161694U - Hydraulic-control high pressure unloading valve - Google Patents
Hydraulic-control high pressure unloading valve Download PDFInfo
- Publication number
- CN203161694U CN203161694U CN 201320048421 CN201320048421U CN203161694U CN 203161694 U CN203161694 U CN 203161694U CN 201320048421 CN201320048421 CN 201320048421 CN 201320048421 U CN201320048421 U CN 201320048421U CN 203161694 U CN203161694 U CN 203161694U
- Authority
- CN
- China
- Prior art keywords
- cylinder barrel
- high pressure
- piston
- unloading valve
- spring
- 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.)
- Expired - Fee Related
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Abstract
A hydraulic-control high pressure unloading valve solves the problems that in the prior art, pressure is low, structure is complex, the size is large and retardation time of motion is long. The hydraulic-control high pressure unloading valve is characterized by comprising an end cover, a cylinder barrel, a piston, a piston rod, a copper sleeve, a connector, a hexagonal socket head cap, a silencer, a steel ball, an O-type ring, a Glyd ring, a high pressure seal and a spring. The high pressure seal and the copper sleeve are sequentially installed in the cylinder barrel. The steel ball is installed in the connector and is screwed in the cylinder barrel. The piston rod is connected with the piston through a nut. The spring is installed at the rear end of the cylinder barrel. A piston assembly penetrates through the spring through the piston rod and is installed in the cylinder barrel. The cylinder barrel is provided with the end cover, and the end cover is fixed on the cylinder barrel through the hexagonal socket head cap. The hydraulic-control high pressure unloading valve has the advantages of ultrahigh pressure, high flow, simple structure, convenient maintenance, strong pertinence, stable performance and convenient control.
Description
Technical field
The utility model relates to flow control valve, more specifically relates to a kind of hydraulic control high pressure unloading valve of ultra-high pressure high flow, is mainly used in frequency height, pulse test that traffic demand is big.
Background technique
The existing Pilot operated check valve pressure of industry is low, and latus rectum is little, can't high frequency action, bulky, the motion mechanism complexity, in pulse test action long lag time, maintenance difficult, cost height.
Summary of the invention
The purpose of this utility model is: a kind of hydraulic control high pressure unloading valve is provided, exists pressure low to solve prior art, complex structure, bulky, action long problem lag time.
The utility model is achieved through the following technical solutions: a kind of hydraulic control high pressure unloading valve is characterized in that: it comprises hexagonal, baffler, steel, O type circle, Glais ring, high press seal, spring in end cap, cylinder barrel, piston, piston rod, copper sheathing, joint, the cup head; High press seal, copper sheathing are housed in the cylinder barrel successively, steel ball is packed in the joint and is screwed in the cylinder barrel, piston rod is connected with piston by nut, the spring cylinder barrel rear end of packing into, piston assembly passes the spring cylinder barrel of packing into by piston rod, cylinder barrel is provided with end cap, by hexagonal in the cup head end cap is fixed on the cylinder barrel.
The good effect that the utility model reaches is: adopt the utility model to reach ultrahigh pressure, and big flow, simple in structure, easy to maintenance, with strong points, beneficial effect is easily controlled in stable performance.
Description of drawings
Fig. 1: be structural representation of the present utility model.
Fig. 2: use phase diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is illustrated in further detail.
With reference to Fig. 1, a kind of hydraulic control high pressure unloading valve is characterized in that: it comprises hexagonal 7, baffler 8, steel 9, O type circle 10～12, Glais ring 13, high press seal 14,15 springs in end cap 1, cylinder barrel 2, piston 3, piston rod 4, copper sheathing 5, joint 6, the cup head; High press seal 14, copper sheathing 5 are housed in the cylinder barrel 2 successively, steel ball 9 is packed in the joint 6 and is screwed in the cylinder barrel 2, piston rod 4 is connected with piston 3 by nut, spring 15 cylinder barrel 2 rear ends of packing into, piston assembly passes spring 15 cylinder barrel 2 of packing into by piston rod 4, cylinder barrel 2 is provided with end cap 1, by hexagonal 7 in the cup head end cap 1 is fixed on the cylinder barrel 2.
Adopting the utility model medium is 2～5mm by bore, and we have accomplished 15mm, and flow is greatly improved, and has expanded use of the present utility model field greatly, and the design lag time of action is＜0.1 ".
The utility model is from rear end RC3/8 " screw thread feeds the liquid pushing piston 3 of 100Bar; piston rod 4 pushes away steel ball 9; end face of steel ball 9 squeezed joints 6 make it the gap disappear to reach seal rectilinear end RC1/2 " liquid (700Bar) of end, moment RC3/8 " release pressure; the power of spring 15 and rectilinear end RC1/2 " high pressure entry make a concerted effort steel ball and piston assembly to be resetted reach discharge rectilinear end RC1/2 " end is from the RC1/2 of vertical end " mouthful flow out, reach momentary pulse.
Working principle: with reference to Fig. 2.
State (1).
Drive import (A) and advance (Max) 100Bar hydraulic oil as driving, high pressure entry (B) advances the pulsating medium of (Max) 700Bar, and pulse mouth this moment (T) is in closed state.
State (2).
Driving import (A) does not have pressure, and high pressure entry (B) advances the pulsating medium of (Max) 700Bar, and pulse mouth this moment (T) is in normally open.
The utility model requires high flow capacity, high frequency at the special industry pulse test; Usually all need a huge structure to realize, we at this development requires we developed this kind of product
Latus rectum has reached 15mm, and simple in structure, convenient for maintaining, little, the high pressure resistant deficiency that remedies the existing product of industry of volume.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (1)
1. hydraulic control high pressure unloading valve is characterized in that: it comprises hexagonal, baffler, steel, O type circle, Glais ring, high press seal, spring in end cap, cylinder barrel, piston, piston rod, copper sheathing, joint, the cup head; High press seal, copper sheathing are housed in the cylinder barrel successively, steel ball is packed in the joint and is screwed in the cylinder barrel, piston rod is connected with piston by nut, the spring cylinder barrel rear end of packing into, piston assembly passes the spring cylinder barrel of packing into by piston rod, cylinder barrel is provided with end cap, by hexagonal in the cup head end cap is fixed on the cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048421 CN203161694U (en) | 2013-01-30 | 2013-01-30 | Hydraulic-control high pressure unloading valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048421 CN203161694U (en) | 2013-01-30 | 2013-01-30 | Hydraulic-control high pressure unloading valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161694U true CN203161694U (en) | 2013-08-28 |
Family
ID=49022881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320048421 Expired - Fee Related CN203161694U (en) | 2013-01-30 | 2013-01-30 | Hydraulic-control high pressure unloading valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161694U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088845A (en) * | 2014-07-22 | 2014-10-08 | 株洲市文佳实业有限公司 | Passive overpressure unloading valve |
| CN109799139A (en) * | 2019-02-22 | 2019-05-24 | 北京航空航天大学 | A kind of super-pressure tester device for nano-fluid test |
-
2013
- 2013-01-30 CN CN 201320048421 patent/CN203161694U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088845A (en) * | 2014-07-22 | 2014-10-08 | 株洲市文佳实业有限公司 | Passive overpressure unloading valve |
| CN109799139A (en) * | 2019-02-22 | 2019-05-24 | 北京航空航天大学 | A kind of super-pressure tester device for nano-fluid test |
| CN109799139B (en) * | 2019-02-22 | 2024-03-15 | 北京航空航天大学 | Ultrahigh pressure test instrument for nanofluid test |
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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: 20130828 Termination date: 20140130 |