CN202001416U - Integrated water hydraulic distribution valve - Google Patents
Integrated water hydraulic distribution valve Download PDFInfo
- Publication number
- CN202001416U CN202001416U CN2011200503623U CN201120050362U CN202001416U CN 202001416 U CN202001416 U CN 202001416U CN 2011200503623 U CN2011200503623 U CN 2011200503623U CN 201120050362 U CN201120050362 U CN 201120050362U CN 202001416 U CN202001416 U CN 202001416U
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- Prior art keywords
- valve
- suction
- delivery
- spool
- guide rod
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- Expired - Lifetime
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Abstract
The utility model relates to an integrated water hydraulic distribution valve, which belongs to the application field of valves. The distribution valve is installed in a water hydraulic pump and can suck water and press water for the water hydraulic pump. The distribution valve comprises a front end cover, a rear end cover, a locknut, an O-shaped ring, a suction valve seat, a suction valve core, a suction valve spring, a delivery valve seat, a delivery valve core, a delivery valve spring and a guiding rod, wherein the suction valve seat, the suction valve core, the suction valve spring, the delivery valve seat, the delivery valve core, the delivery valve spring and the guiding rod are sequentially arranged inside a valve body. A suction valve and a delivery valve are integrally connected together, and the guiding rod penetrates through the integrated distribution valve. At a suction opening, the guiding rod penetrates through the suction valve seat and the suction valve core which is connected with the suction valve spring, and at a delivery opening, the guiding rod penetrates through the delivery valve seat and the delivery valve core which is connected with the suction valve spring. Both the suction valve core and the delivery valve core are not contacted with the valve body. The integrated water hydraulic distribution valve is simple in structure, convenient to manufacture, good in sealing, small in vibration, low in noise, good in gas etching resistance and high in working stability.
Description
Technical field
The utility model relates to the flow control unit in a kind of water hydraulic system, is suitable for seawater, fresh water, seawater base etc. as the flow control unit in the water hydraulic system of working medium.
Background technique
The water hydraulic flow-distributing valve is a flow control unit commonly used in the water hydraulic system, when pump work with the back and forth movement opening and closing of plunger.Flow-distributing valve has reduced a pair of friction pair (cylinder body and thrust plate), so compare with the valve plate distribution formula, the valve flow has been avoided the leakage and the wear problem of thrust plate friction pair, has good sealing property.Can work under high pressure conditions, be very attractive structural type in the hydraulic pamp.In the strong production fields such as fluid of low viscosities such as pumping sea (light) water, chemicals, sewage, corrosivity, contaminativity, it is very extensive that valve flow form is used in the water hydraulic pump, and the performance of flow-distributing valve directly influences the working life of pump.
Multipurpose oil is as working medium in hydraulic system, and when flow-distributing valve uses in water (comprising seawater, fresh water or high water base etc.) medium, can produce a series of technical problem.1) because the vapor pressure of water is higher than mineral oil far away, when water during in the valve port flow at high speed, the flow field local compression can be lower than the vapor pressure of water, and then produces cavitation phenomenon, make the material at valve port place be subjected to cavitation erosion, thereby reduced the functional reliability and the life-span of valve; 2) because the viscosity of water is low, poor lubricity, the leakage problem at the friction of spool and valve base chamber and valve port place is serious; 3) density of water, Young's modulus are big than mineral oil, and " water attack " phenomenon is serious; 4) medium goes out stream and spring force and departs from the radial force that reason such as spool axle center produces and make the spool polarization in that valve port is inhomogeneous.5) complex structure of hydraulic pressure flow-distributing valve, difficulty of processing increases, the cost of production height.In order to overcome above-mentioned technical barrier, the artificer designs and much is useful in the flow-distributing valve that uses in the aqueous medium.
Fig. 1 and Fig. 2 are respectively the suction valve assembly and the delivery valve assemblies of the water hydraulic flow-distributing valve of Central China University of Science and Technology's design, and this valve sealing surface is taper, and the automatic centering performance is good, open and close flexibly.But this valve suction valve and delivery valve be design and processing separately, can not constitute one, and assembling is complicated, the processing cost height, and the assembling trouble, and do not solve shortcomings such as vibration, noise, wearing and tearing, cavitation erosion yet.
The model utility content
The utility model provides a kind of one body swimming hydraulic pressure flow-distributing valve, be used to solve the above-mentioned technical barrier that flow-distributing valve exists, in the aqueous medium environment, work, simplified structure, be easy to processing, save cost, improved the stability of valve, reduce valve port leakage, cavitation erosion, vibration, noise, increased the corrosion resistance of pump.
One body swimming hydraulic pressure flow-distributing valve comprises front cover 1, rear end cover 6, locking nut 11, O shape circle 12 and is arranged in suction valve valve seat 2, suction valve spool 3, inhalation valve spring 4, delivery valve valve seat 9, delivery valve spool 8, delivery valve spring 7, guide rod 10 in the valve body 5 successively; Suction valve and delivery valve fuse, guide rod 10 runs through whole integral type flow-distributing valve, at the suction port place, guide rod 10 passes the through hole of suction valve valve seat 2 and suction valve spool 3, suction valve spool 3 is connected on the inhalation valve spring 4, under water pressure and spring force effect, move, on guide rod 10, form guide surface; Pressing the outlet port, guide rod 10 passes the through hole of delivery valve valve seat 9 and delivery valve spool 8, and delivery valve spool 8 is connected on the delivery valve spring 7, moves under water pressure and spring force effect, forms guide surface on guide rod 10, and two spools all do not contact with valve body.
Described one body swimming hydraulic pressure flow-distributing valve, the outer two ends of valve body have two seal grooves, prevent the leakage of water in the pump, and the large end face of two valve seats has seal groove, also has seal groove in the through hole, prevents the leakage of valve body inner high voltage water.This valve adopts axially suction, axial setting-out form, and high pressure water sucks from the P mouth, extrudes from the O mouth.
Described one body swimming hydraulic pressure flow-distributing valve, that suction valve valve seat 2 and suction valve spool 3 and delivery valve valve seat 9 and delivery valve spool 8 all adopt is soft-cooperate firmly, wherein the suction valve valve seat can adopt lower engineering plastics of hardness or aluminum bronze, and the suction valve spool can adopt the higher stainless steel of hardness.
That described one body swimming hydraulic pressure flow-distributing valve, suction valve spool 3 and guide rod 10 and delivery valve spool 8 and guide rod 10 adopt is soft-cooperate firmly, and lower engineering plastics of suction valve spool penetration hardness wherein, guide rod can adopt the higher stainless steel of hardness.
This valve is compared with similar flow-distributing valve, has the following advantages: 1) suction valve assembly and delivery valve assembly do not need separate machined, and structure is an integral type; 2) easy to assembly, be easy to dismounting; 3) good seal performance is leaked little; 4) vibration is little, and noise is low, does not have cavitation phenomenon, working stability; 5) processing cost is low.
Description of drawings
Fig. 1 is the suction valve assembly of the water hydraulic flow-distributing valve of Central China University of Science and Technology's design;
Fig. 2 is that the extrusion of the water hydraulic flow-distributing valve of Central China University of Science and Technology's design goes out valve assembly;
Fig. 3 is the utility model one body swimming hydraulic pressure flow-distributing valve structural drawing.
Among the figure: 1 front cover, 2 suction valve valve seats, 3 suction valve spools, 4 inhalation valve springs, 5 valve bodies, 6 rear end covers, 7 delivery valve springs, 8 delivery valve spools, 9 delivery valve valve seats, 10 guide rods, 11 locking nuts, 12O shape circle
Embodiment
Below in conjunction with accompanying drawing, the utility model is further specified by embodiment.
As shown in Figure 3, comprise front cover 1, rear end cover 6, locking nut 11, O shape circle 12 and be arranged in suction valve valve seat 2, suction valve spool 3, inhalation valve spring 4, delivery valve valve seat 9, delivery valve spool 8, delivery valve spring 7, guide rod 10 in the valve body 5 successively; Suction valve and delivery valve fuse, guide rod 10 runs through whole integral type flow-distributing valve, at the suction port place, guide rod 10 passes the through hole of suction valve valve seat 2 and suction valve spool 3, suction valve spool 3 is connected on the inhalation valve spring 4, under water pressure and spring force effect, move, on guide rod 10, form guide surface, pressing the outlet port, guide rod 10 passes the through hole of delivery valve valve seat 9 and delivery valve spool 8, delivery valve spool 8 is connected on the delivery valve spring 7, moves under water pressure and spring force effect, forms guide surface on guide rod 10.Adopt axially suction, axial setting-out form, high pressure water sucks from the P mouth, extrudes from the O mouth.
During installation, guide rod 10 is packed into earlier in the valve body 5, be respectively charged into inhalation valve spring 4, suction valve spool 3, suction valve valve seat 2 in the suction side, cover front cover 1, with locking nut 11 lockings,, be respectively charged into delivery valve valve seat 9, delivery valve spool 8, delivery valve spring 7 extruding end, cover rear end cover, lock with locking nut.
During work, at the suction port place, high pressure water enters from the P mouth, and pressure acts on the suction valve spool, and when the pressure of high pressure water during greater than inhalation valve spring 4 power, suction valve spool 3 is opened, and high pressure water enters in the valve body 5, suction valve closure; Pressing the outlet port, high pressure water enters the B mouth, and pressure acts on the delivery valve spool, and when the pressure of high pressure water during greater than delivery valve spring 7 power, delivery valve spool 8 is opened, and high pressure water flows out from water outlet O, and delivery valve cuts out, and flow-distributing valve is finished the setting-out process that once absorbs water.
Claims (5)
1. one body swimming hydraulic pressure flow-distributing valve comprises front cover (1), rear end cover (6), locking nut (11), O shape circle (12) and is arranged in valve body (5) interior suction valve valve seat (2), suction valve spool (3), inhalation valve spring (4), delivery valve valve seat (9), delivery valve spool (8), delivery valve spring (7), guide rod (10) successively; Suction valve and delivery valve fuse, guide rod (10) runs through whole integral type flow-distributing valve, at the suction port place, guide rod (10) passes the through hole of suction valve valve seat (2) and suction valve spool (3), suction valve spool (3) is connected on the inhalation valve spring (4), suction valve spool (3) can move under water pressure and spring force effect, go up the formation guide surface at guide rod (10), pressing the outlet port, guide rod (10) passes the through hole of delivery valve valve seat (9) and delivery valve spool (8), delivery valve spool (8) is connected on the delivery valve spring (7), delivery valve spool (8) can move under water pressure and spring force effect, go up the formation guide surface at guide rod (10), two spools all do not contact with valve body.
2. one body swimming hydraulic pressure flow-distributing valve as claimed in claim 1 is characterized in that: the outer two ends of valve body have two seal grooves; The large end face of two valve seats has seal groove, also has seal groove in the through hole, and this valve adopts axially suction, axial setting-out form, and high pressure water sucks from the P mouth, extrudes from the O mouth.
3. one body swimming hydraulic pressure flow-distributing valve as claimed in claim 1 is characterized in that: suction valve spool (3) and delivery valve spool (8) all adopt plank frame, go up the opening and closing that the contact slip realizes flow-distributing valve at guide rod (10).
4. one body swimming hydraulic pressure flow-distributing valve as claimed in claim 1, it is characterized in that: suction valve valve seat (2) and suction valve spool (3) and delivery valve valve seat (9) and delivery valve spool (8) all adopt soft-cooperate firmly, wherein the suction valve valve seat can adopt lower engineering plastics of hardness or aluminum bronze, and the suction valve spool can adopt the higher stainless steel of hardness.
5. one body swimming hydraulic pressure flow-distributing valve as claimed in claim 1, it is characterized in that: suction valve spool (3) and guide rod (10) and delivery valve spool (8) and guide rod (10) all adopt soft-cooperate firmly, wherein the suction valve spool adopts the lower engineering plastics of hardness, and guide rod can adopt the higher stainless steel of hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200503623U CN202001416U (en) | 2011-02-28 | 2011-02-28 | Integrated water hydraulic distribution valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200503623U CN202001416U (en) | 2011-02-28 | 2011-02-28 | Integrated water hydraulic distribution valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001416U true CN202001416U (en) | 2011-10-05 |
Family
ID=44704159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200503623U Expired - Lifetime CN202001416U (en) | 2011-02-28 | 2011-02-28 | Integrated water hydraulic distribution valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094979A (en) * | 2011-02-28 | 2011-06-15 | 北京工业大学 | Integrated water hydraulic distributing valve |
| CN108150373A (en) * | 2017-12-22 | 2018-06-12 | 赛克思液压科技股份有限公司 | A kind of Highgrade integration rear cover structure of closed type hydraulic pump |
-
2011
- 2011-02-28 CN CN2011200503623U patent/CN202001416U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094979A (en) * | 2011-02-28 | 2011-06-15 | 北京工业大学 | Integrated water hydraulic distributing valve |
| CN102094979B (en) * | 2011-02-28 | 2012-10-24 | 北京工业大学 | Integrated water hydraulic distributing valve |
| CN108150373A (en) * | 2017-12-22 | 2018-06-12 | 赛克思液压科技股份有限公司 | A kind of Highgrade integration rear cover structure of closed type hydraulic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |