CN203176506U - Manual operation and hydraulic pressure combined normally-open valve - Google Patents
Manual operation and hydraulic pressure combined normally-open valve Download PDFInfo
- Publication number
- CN203176506U CN203176506U CN 201320088438 CN201320088438U CN203176506U CN 203176506 U CN203176506 U CN 203176506U CN 201320088438 CN201320088438 CN 201320088438 CN 201320088438 U CN201320088438 U CN 201320088438U CN 203176506 U CN203176506 U CN 203176506U
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- Prior art keywords
- valve
- hydraulic cylinder
- hand
- piston
- oil hydraulic
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Abstract
The utility model relates to a manual operation and hydraulic pressure combined normally-open valve which comprises a valve body. A water inlet of the valve body is provided with an inlet port. A hydraulic cylinder is located on the valve body. A connecting body is arranged between the hydraulic cylinder and the valve body and is provided with a lower cavity port. A cylinder cover is arranged on the hydraulic cylinder and is provided with an upper cavity port. A spring is arranged between the cylinder cover and a piston. The inlet port, the upper cavity port, the lower cavity port and a water tank are respectively connected with a two-position four-way hand-operated direction valve through a control circuit. When the valve is opened, the inlet port and the lower cavity port form a communicated circuit, and the upper cavity port and the water tank form an evacuation circuit. When the valve is closed, the inlet port and the upper cavity port form a communicated circuit, and the lower cavity port and the water tank form an evacuation circuit. On normal conditions, opening force of the valve is larger than or equal to tensile force of the spring, and the valve is always in an opening state and has nothing to do with the magnitude of pressure of a pipeline. When the valve is closed, sealing performance increases along with increase of the pressure of the pipeline and is strengthened.
Description
Technical field
The utility model relates to the pressure piping valve technology field, is specifically related to a kind of hand-hydraulic combined valve.
Background technique
At present, mostly valve in the pressure piping is electric valve, or directly adopt the switch of screw mandrel manual control valve, these valves have common characteristics, need bigger external force when being switch, the process of switch is consuming time longer simultaneously, when closing, along with the pressure increase of pipeline, airtight performance weakens to some extent.
Summary of the invention
The purpose of this utility model is at above-mentioned deficiency, proposes a kind ofly by hand-operated direction valve and the folding of hydraulic control system combined control valve door, moves rapid and stable hand-hydraulic combination normally open valve door simultaneously.
The technical solution adopted in the utility model is: hand-hydraulic combination normally open valve door, comprise valve body (1), vertically be provided with valve rod (101) in the valve body (1), valve rod (101) end is connected with spool (102), valve body (1) be provided with level water intake (103) and with the vertically disposed water outlet of water intake (103) (104), it is characterized in that: also comprise
Oil hydraulic cylinder (2), cylinder cap (201), connecting body (3), two-position four-way hand-operated direction valve (4), control loop (5);
Described valve body (1) water intake (103) locates to be provided with import interface (11);
Described oil hydraulic cylinder (2) is positioned at valve body (1) top, is provided with connecting body (3) between oil hydraulic cylinder (2) and the valve body (1), and connecting body (3) is provided with cavity of resorption interface (31);
Described valve rod (101) pass connecting body (3) and and connecting body (3) between slipper seal; Described valve rod (101) top is positioned at oil hydraulic cylinder (2);
Described piston (203) is fixed on valve rod (101) top by hold down gag (202), and piston (203) is connected with oil hydraulic cylinder (2) inner wall sealing;
Described oil hydraulic cylinder (2) top is provided with cylinder cap (201), and cylinder cap (201) is provided with epicoele interface (21);
Be provided with spring (204) between described connecting body (3) and the piston (203);
The control loop (5) that passes through of described two-position four-way hand-operated direction valve (4) connects import interface (11), epicoele interface (21), cavity of resorption interface (31) and water tank respectively.
Preferably, described oil hydraulic cylinder (2) internal diameter equates with the internal diameter of water intake (104).
Preferably, adopt L type seal ring (207) sealing between described piston (203) and oil hydraulic cylinder (2) inwall.
Preferably, be provided with guide cup (205) between described spring (204) and the piston (203), spring (204) one ends are positioned at guide cup (205).
Further preferred, described guide cup (205) side is provided with a plurality of thin discharge orifices (206), is convenient to the inside and outside liquid communication of guide cup (205).
Preferably, be provided with positive stop cup (208) between described hold down gag (202) and the piston (203).
Further preferred, described positive stop cup (208) side is provided with a plurality of thin discharge orifices (209), is convenient to the inside and outside liquid communication of positive stop cup (208).
The beneficial effects of the utility model are: this valve generally, the opening force heavy rain of valve or equal the tension force of spring is in opening state all the time, and irrelevant with the pipeline pressure size; During valve closing, sealability is along with the pressure of pipeline increases, and airtight performance strengthens.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Embodiment
As shown in Figure 1, hand-hydraulic combination normally open valve door comprises valve body 1, valve body 1 be provided with level water intake 103 and with water intake 103 vertically disposed water outlets 104, valve body 1 water intake 103 places are provided with import interface 11; Oil hydraulic cylinder 2 is positioned at valve body 1 top, and oil hydraulic cylinder 2 internal diameters equate that with the internal diameter of water intake 104 be provided with connecting body 3 between oil hydraulic cylinder 2 and the valve body 1, connecting body 3 is provided with cavity of resorption interface 31; Vertically be provided with valve rod 101 in the valve body 1, valve rod 101 ends are connected with spool 102, valve rod 101 pass connecting body 3 and and connecting body 3 between slipper seal, valve rod 101 tops are positioned at oil hydraulic cylinder 2; Piston 203 is fixed on valve rod 101 tops by hold down gag 202, adopts 207 sealings of L type seal ring between piston 203 and oil hydraulic cylinder 2 inwalls, makes that piston 203 moving resistances are little, and good airproof performance; Piston 203 is divided into epicoele 22 and cavity of resorption 23 with oil hydraulic cylinder 2; Oil hydraulic cylinder 2 tops are provided with cylinder cap 201, and cylinder cap 201 is provided with epicoele interface 21, are provided with spring 204 between connecting body 3 and the piston 203; Be provided with guide cup 205 between spring 204 and the piston 203, guide cup 205 sides are provided with a plurality of thin discharge orifices 206, are convenient to guide cup 205 inside and outside liquid communication, and spring 204 1 ends are positioned at guide cup 205.Be provided with positive stop cup 208 between hold down gag 202 and the piston 203, positive stop cup 208 sides are provided with a plurality of thin discharge orifices 209, are convenient to positive stop cup 208 inside and outside liquid communication.Import interface 11 connects the oil inlet P of two-position four-way hand-operated direction valve 4 by control loop 5, epicoele interface 21 connects the actuator port A of two-position four-way hand-operated direction valve 4 by control loop 5, cavity of resorption interface 31 is by the actuator port B of control loop 5 connection two-position four-way hand-operated direction valves 4, and the oil outlet of two-position four-way hand-operated direction valve 4 connects water tank.
When valve opening, import interface 11 and cavity of resorption interface 31 form the loop that communicates; Epicoele interface 21 and water tank form dump circuit.
At this moment, the pressure P of 22 pairs of pistons of epicoele, 203 generations
On=0.The pressure P that 23 pairs of pistons of cavity of resorption 203 produce
Down, piston 203 also is subjected to the tension force P of spring 204 simultaneously
BulletAlthough hydraulic shock spool 102 can produce certain pressure P
Core, but P
Down〉=P
Core, the opening force P of this valve
Open=P
Down+ P
Bullet-P
On-P
Core〉=P
BulletTherefore, this valve generally is in opening state all the time, and is irrelevant with the pipeline pressure size.
Work as valve closing, operation two-position four-way hand-operated direction valve 4 makes import interface 11 and epicoele interface 21 form the loop that communicates; Described cavity of resorption interface 31 and water tank form dump circuit.
At this moment, the pressure P of 23 pairs of pistons of cavity of resorption, 203 generations
Down=0.The pressure P that 22 pairs of pistons of epicoele 203 produce
OnPressure P with inlet's 103 pairs of spools, 102 generations
CoreActing in conjunction overcomes the tension force P of spring 204
BulletThereby, make the spool 102 of valve at piston 101 effect throttle downs.And when closing, sealability is along with the pressure of pipeline increases, and airtight performance strengthens.
Claims (7)
1. hand-hydraulic makes up the normally open valve door, comprise valve body (1), vertically be provided with valve rod (101) in the valve body (1), valve rod (101) end is connected with spool (102), valve body (1) be provided with level water intake (103) and with the vertically disposed water outlet of water intake (103) (104), it is characterized in that: also comprise
Oil hydraulic cylinder (2), cylinder cap (201), connecting body (3), two-position four-way hand-operated direction valve (4), control loop (5);
Described valve body (1) water intake (103) locates to be provided with import interface (11);
Described oil hydraulic cylinder (2) is positioned at valve body (1) top, is provided with connecting body (3) between oil hydraulic cylinder (2) and the valve body (1), and connecting body (3) is provided with cavity of resorption interface (31);
Described valve rod (101) pass connecting body (3) and and connecting body (3) between slipper seal; Described valve rod (101) top is positioned at oil hydraulic cylinder (2);
Described piston (203) is fixed on valve rod (101) top by hold down gag (202), and piston (203) is connected with oil hydraulic cylinder (2) inner wall sealing;
Described oil hydraulic cylinder (2) top is provided with cylinder cap (201), and cylinder cap (201) is provided with epicoele interface (21);
Be provided with spring (204) between described connecting body (3) and the piston (203);
The control loop (5) that passes through of described two-position four-way hand-operated direction valve (4) connects import interface (11), epicoele interface (21), cavity of resorption interface (31) and water tank respectively.
2. hand-hydraulic as claimed in claim 1 makes up the normally open valve door, and it is characterized in that: described oil hydraulic cylinder (2) internal diameter equates with the internal diameter of water intake (104).
3. hand-hydraulic combination normally open valve door as claimed in claim 1 is characterized in that: adopt L type seal ring (207) sealing between described piston (203) and oil hydraulic cylinder (2) inwall.
4. hand-hydraulic as claimed in claim 1 makes up the normally open valve door, and it is characterized in that: be provided with guide cup (205) between described spring (204) and the piston (203), spring (204) one ends are positioned at guide cup (205).
5. hand-hydraulic as claimed in claim 4 makes up the normally open valve door, and it is characterized in that: described guide cup (205) side is provided with a plurality of thin discharge orifices (206), is convenient to the inside and outside liquid communication of guide cup (205).
6. hand-hydraulic combination normally open valve door as claimed in claim 1 is characterized in that: be provided with positive stop cup (208) between described hold down gag (202) and the piston (203).
7. hand-hydraulic as claimed in claim 6 makes up the normally open valve door, and it is characterized in that: described positive stop cup (208) side is provided with a plurality of thin discharge orifices (209), is convenient to the inside and outside liquid communication of positive stop cup (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088438 CN203176506U (en) | 2013-02-27 | 2013-02-27 | Manual operation and hydraulic pressure combined normally-open valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088438 CN203176506U (en) | 2013-02-27 | 2013-02-27 | Manual operation and hydraulic pressure combined normally-open valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176506U true CN203176506U (en) | 2013-09-04 |
Family
ID=49073202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088438 Expired - Fee Related CN203176506U (en) | 2013-02-27 | 2013-02-27 | Manual operation and hydraulic pressure combined normally-open valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100762A (en) * | 2014-07-23 | 2014-10-15 | 超达阀门集团股份有限公司 | Efficient pneumatic relief gate valve |
| CN105042096A (en) * | 2015-07-10 | 2015-11-11 | 四川奇胜科技有限公司 | Hydraulic control mechanism convenient to reset |
| CN105065681A (en) * | 2015-07-10 | 2015-11-18 | 四川奇胜科技有限公司 | Hydraulic control mechanism |
-
2013
- 2013-02-27 CN CN 201320088438 patent/CN203176506U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100762A (en) * | 2014-07-23 | 2014-10-15 | 超达阀门集团股份有限公司 | Efficient pneumatic relief gate valve |
| CN105042096A (en) * | 2015-07-10 | 2015-11-11 | 四川奇胜科技有限公司 | Hydraulic control mechanism convenient to reset |
| CN105065681A (en) * | 2015-07-10 | 2015-11-18 | 四川奇胜科技有限公司 | Hydraulic control mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20150227 |
|
| EXPY | Termination of patent right or utility model |