CN201125888Y - Bottom plate type overflow valve - Google Patents
Bottom plate type overflow valve Download PDFInfo
- Publication number
- CN201125888Y CN201125888Y CNU2007200449552U CN200720044955U CN201125888Y CN 201125888 Y CN201125888 Y CN 201125888Y CN U2007200449552 U CNU2007200449552 U CN U2007200449552U CN 200720044955 U CN200720044955 U CN 200720044955U CN 201125888 Y CN201125888 Y CN 201125888Y
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- China
- Prior art keywords
- valve
- base plate
- oil
- way
- relief valve
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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 provides a baseboard type spill valve which comprises a baseboard, a one-way valve and a spill valve. The baseboard comprises an oil way, a valve cavity of the one-way valve and a spill valve. The valve cavity of the one-way valve and the valve cavity of the spill valve are equally communicated with the oil way. The upper surface of the baseboard is a standard installation surface which is connected with the one-way electromagnetic valve, and the oil outlet opening is communicated with the oil way. The back surface of the baseboard is provided with a work oil opening which is communicated with the work oil opening at the upper surface and is used for the connection to the hydraulic executor. The spill valve and the one-way valve are respectively installed in the valve cavity of the spill valve and the valve cavity of the one-way valve on the baseboard. The lower surface of the baseboard is respectively provided with a spill opening and an oil inlet opening which are respectively communicated with the spill valve and the oil way. The spill opening is communicated with the oil returning opening at the upper surface of the baseboard. The utility model integrates the baseboard, the spill valve and the one-way valve to a whole and has the advantages of compact structure, reduced connecting and sealing joint, reduced fault rate of system, increased operation reliability, and convenient installation, maintenance and use. The single cylinder hydraulic system is leaded to be more suitable to be generalized and applied.
Description
Affiliated technical field
The utility model relates to a kind of hydrovalve, particularly a kind of base plate formula relief valve that integrates base plate, relief valve and one-way valve.
Background technique
Hydraulic transmission technology is one of technology with the fastest developing speed in the mechanical industry, and it is widely used.The application of single-cylinder hydraulic system is large in number and widely distributed especially, uses industry numerous, accounts for whole hydraulicdriven 30%.Existing single-cylinder hydraulic system comprises oil pump, oil cylinder, solenoid directional control valve, one-way valve, relief valve and base plate (being commonly called as manifold block) usually, and its solenoid directional control valve, one-way valve, relief valve are installed on the base plate, and its oil pump, oil cylinder and manifold block interlink.Because one-way valve, relief valve are generally commercial finished product, base plate then needs each user to be equipped with voluntarily, to process, and the user feels inconvenience very much; Though the principle that each base plate adopted is identical, but its profile, oil circuit are to vary, the manufacturing of base plate is things that part extremely bothers for the personnel that are unfamiliar with hydraulics, difficulty of processing is big, the manufacturing cycle is long, careless slightly will causing scraps, and brought obstruction for so to a certain extent applying of hydraulic system.And the joint sealability of one-way valve and relief valve and base plate requires high, reveals to be difficult to avoid, and so just influences hydraulicdriven effect, when serious even cause equipment downtime, can't move.
The model utility content
For overcoming the deficiencies in the prior art part, the utility model provides a kind of compact structure, easy to use, the end body formula relief valve that integrates base plate, relief valve and one-way valve.
The technological scheme that its technical problem that solves the utility model adopts is: it comprises base plate, one-way valve and relief valve, the base plate that contains oil circuit, one-way valve valve pocket and relief valve valve pocket, its one-way valve valve pocket and relief valve valve pocket all interlink with oil circuit, the upper surface of base plate is the standard attachment face that is used to connect solenoid directional control valve that offers oil outlet, work oilhole, spill port, and above-mentioned oil outlet and oil circuit interlink; The rear surface of base plate is provided with the work oilhole that interlinks with above-mentioned work oilhole, is used for and the leading to of hydraulic actuator; Relief valve, one-way valve are installed on respectively in the relief valve valve pocket, one-way valve valve pocket of base plate, and the lower surface of base plate offers respectively overflow hole and the oil inlet hole that interlinks with relief valve, oil circuit; The spill port of overflow hole and plate upper surface interlinks.
Above-mentioned relief valve comprises valve pocket, main valve plug, conical valve base, poppet valve core, pressure regulating seat, spring, adjusting screw mandrel and adjusting handle, the pressure regulating seat that contains valve pocket is loaded on the external port of base plate relief valve valve pocket, valve pocket, main valve plug, spring, conical valve base, poppet valve core, spring, spring seat are loaded in the valve pocket of relief valve valve pocket and pressure regulating seat from inside to outside successively, and the external port of pressure regulating seat valve pocket is equipped with the adjusting screw mandrel that has adjusting handle.
Above-mentioned one-way valve comprises spool, spring and valve seat, and spool, spring are loaded in the one-way valve valve pocket on the base plate from inside to outside, and valve seat is loaded on the outer end of one-way valve valve pocket.
For making the utility model be suitable for installation, the configuration of different occasions, on the front surface of base plate, offer oil inlet hole and overflow hole, and oil inlet hole and overflow hole respectively with the base plate lower surface on overflow hole and oil inlet hole interlink.During use, look one group of overflow hole that user situation gets wherein and link to each other with fuel tank with oil inlet hole, another group overflow hole and oil inlet hole then seal with plug.
For in time, grasp oil pressure situation in the hydraulic system exactly, on base plate, be provided with the pressure gauge pilot hole.
For ease of installation of the present utility model, be provided with several pilot holes at the periphery of base plate.
The beneficial effects of the utility model are: owing to integrate base plate, relief valve and one-way valve, its compact structure has reduced the connection sealing part, has improved functional reliability; The inconvenience of having avoided each user to process base plate voluntarily being produced, installation, maintenance, easy to use have greatly been shortened the manufacture cycle, have reduced the rate of fault of system, make that the oil cylinder hydraulic system is more suitable to be applied.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the plan view of base plate in the utility model;
Fig. 3 is the rear view of base plate in the utility model;
Fig. 4 is the plan view of base plate in the utility model.
Among the figure: 1 is that base plate, 2 is that oil circuit, 3 is that valve pocket, 4 is that main valve plug, 5 is that conical valve base, 6 is that poppet valve core, 7 is that pressure regulating seat, 8 is that spring seat, 9 is that adjusting screw mandrel, 10 is that adjusting handle, 11,12 and 13 is that spring, 14 is that nonreturn valve core, 15 is that valve seat, 16 and 17 is that pilot hole, P and P1 are that oil inlet hole, P2 are that oil outlet, A, A1, B and B1 are that work oilhole, G are that pressure gauge pilot hole, T and T1 are that overflow hole, T2 are spill port.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The utility model comprises base plate 1, one-way valve and relief valve; Offer the oil circuit 2 that longitudinally is provided with at the middle part of base plate 1, along laterally offering one-way valve valve pocket and relief valve valve pocket, and one-way valve valve pocket and relief valve valve pocket all interlink with oil circuit 2 in the both sides of oil circuit 2; The one-way valve that comprises spool 14, spring 13 and valve seat 15, its spool 14,, spring 13 is loaded in the one-way valve valve pocket on the base plate 1 from inside to outside, valve seat 15 is loaded on the outer end of one-way valve valve pocket.The relief valve that comprises valve pocket 3, main valve plug 4, conical valve base 5, poppet valve core 6, pressure regulating seat 7, spring 11,12, spring seat 8, adjusting screw mandrel 9 and adjusting handle 10, its pressure regulating seat 7 that contains valve pocket is loaded on the external port of base plate relief valve valve pocket, valve pocket 3, main valve plug 4, spring 12, conical valve base 5, poppet valve core 6, spring 10, spring seat 8 are loaded in the valve pocket of relief valve valve pocket and pressure regulating seat 7 from inside to outside successively, and the external port of pressure regulating seat 7 valve pockets is equipped with the adjusting screw mandrel 9 that has adjusting handle 10.The upper surface of base plate 1 is to offer oil outlet P2, work oilhole A, B, spill port O and standard attachment face pilot hole 17, that be used to be connected solenoid directional control valve, and above-mentioned oil outlet P2 and oil circuit 2 interlink; The rear surface of base plate 1 is provided with respectively work oilhole A1, the B1 that interlinks with above-mentioned work oilhole A, B, is used for and the leading to of hydraulic actuator; The lower surface of base plate 1 offers respectively overflow hole T and the oil inlet hole P that interlinks with relief valve, oil circuit 2, and the spill port O of overflow hole T and base plate 1 upper surface interlinks; Offer on the front surface of base plate 1 respectively with base plate 1 lower surface on overflow hole T and the oil inlet hole P R that communicates repeatedly kick into oily P1 hole and overflow hole T1 so that the utility model is suitable for installation, the configuration of different occasions.During use, look one group of overflow hole T (or T1) that user situation gets wherein and link to each other with fuel tank with oil inlet hole (or P1), another group overflow hole T1 (or T) and oil inlet hole P1 (or P) then seal with plug.On the front surface of base plate 1, also offer the pressure gauge pilot hole 2 that interlinks with oil circuit 2, so that the setting pressure table, in time, grasp oil pressure in the base plate 1 exactly.For ease of installation of the present utility model, be provided with four pilot holes 16 at the periphery of base plate 1.
During use, the utility model is installed on the panel of hydraulic reservoir by its pilot hole 16 usefulness bolts, and choosing one group of oil inlet hole P and overflow hole T wherein interlinks with fuel tank, and another organizes oil inlet hole P1 and overflow hole T1 then seals with plug; Solenoid directional control valve is installed on the upper surface of base plate 1 by pilot hole 17; The work oilhole A1 of rear surface and B1 and hydraulic actuator interlink; Pressure gauge is loaded on the pressure gauge pilot hole G.Start Oil pump electrical machinery, the pressure oil in the fuel tank enters in the oil circuit 2 by oil inlet hole P, and overcomes the resistance of the spring 13 in the one-way valve, and spool 14 is moved laterally, and pressure oil flows to solenoid directional control valve by one-way valve from oil outlet P2.When the pressure oil overpressure, then pressure oil overcomes the resistance of spring 11,12, and the main valve plug of relief valve is moved laterally, and pressure oil enters in the relief valve, and gets back in the fuel tank by overflow hole T.
Claims (6)
1, base plate formula relief valve, it is characterized in that: comprise base plate, one-way valve and relief valve, the base plate that contains oil circuit, one-way valve valve pocket and relief valve valve pocket, its one-way valve valve pocket and relief valve valve pocket all interlink with oil circuit, the upper surface of base plate is the standard attachment face that offers the connection unidirectional electrical magnet valve of oil outlet, work oilhole, spill port, and above-mentioned oil outlet and oil circuit interlink; The rear surface of base plate is provided with the work oilhole that interlinks with above-mentioned work oilhole; Relief valve, one-way valve are installed on respectively in the relief valve valve pocket, one-way valve valve pocket of base plate, and the lower surface of base plate offers respectively overflow hole and the oil inlet hole that interlinks with relief valve, oil circuit; The spill port of overflow hole and plate upper surface interlinks.
2, base plate formula relief valve according to claim 1, it is characterized in that: above-mentioned relief valve comprises valve pocket, main valve plug, conical valve base, poppet valve core, pressure regulating seat, spring, adjusting screw mandrel and adjusting handle, the pressure regulating seat that contains valve pocket is loaded on the external port of base plate relief valve valve pocket, valve pocket, main valve plug, spring, conical valve base, poppet valve core, spring, spring seat are loaded in the valve pocket of relief valve valve pocket and pressure regulating seat from inside to outside successively, and the external port of pressure regulating seat valve pocket is equipped with the adjusting screw mandrel that has adjusting handle.
3, base plate formula relief valve according to claim 1, it is characterized in that: above-mentioned one-way valve comprises spool, spring and valve seat, and spool, spring are loaded in the one-way valve valve pocket on the base plate from inside to outside, and valve seat is loaded on the outer end of one-way valve valve pocket.
4, base plate formula relief valve according to claim 1 is characterized in that: on the front surface of base plate, offer oil inlet hole and overflow hole, and oil inlet hole and overflow hole respectively with the base plate lower surface on overflow hole and oil inlet hole interlink.
5, base plate formula relief valve according to claim 1 is characterized in that: offer the pressure gauge pilot hole that interlinks with oil circuit on base plate.
6, base plate formula relief valve according to claim 1, it is characterized in that: the periphery at base plate is provided with several pilot holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200449552U CN201125888Y (en) | 2007-11-20 | 2007-11-20 | Bottom plate type overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200449552U CN201125888Y (en) | 2007-11-20 | 2007-11-20 | Bottom plate type overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201125888Y true CN201125888Y (en) | 2008-10-01 |
Family
ID=39999357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200449552U Expired - Fee Related CN201125888Y (en) | 2007-11-20 | 2007-11-20 | Bottom plate type overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201125888Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135118A (en) * | 2011-04-17 | 2011-07-27 | 常德中联重科液压有限公司 | Hydraulic control component and control circuit with same |
| CN104196715A (en) * | 2014-08-21 | 2014-12-10 | 天津市通洁高压泵制造有限公司 | Power end lubricating oil circulation cooling system with overflow function |
-
2007
- 2007-11-20 CN CNU2007200449552U patent/CN201125888Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135118A (en) * | 2011-04-17 | 2011-07-27 | 常德中联重科液压有限公司 | Hydraulic control component and control circuit with same |
| CN102135118B (en) * | 2011-04-17 | 2013-11-13 | 常德中联重科液压有限公司 | Hydraulic control component and control circuit with same |
| CN104196715A (en) * | 2014-08-21 | 2014-12-10 | 天津市通洁高压泵制造有限公司 | Power end lubricating oil circulation cooling system with overflow function |
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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: 20081001 Termination date: 20121120 |