CN113898627B - Fluid reversing integrated control valve group - Google Patents
Fluid reversing integrated control valve group Download PDFInfo
- Publication number
- CN113898627B CN113898627B CN202111049429.6A CN202111049429A CN113898627B CN 113898627 B CN113898627 B CN 113898627B CN 202111049429 A CN202111049429 A CN 202111049429A CN 113898627 B CN113898627 B CN 113898627B
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- Prior art keywords
- valve
- control
- valve core
- reversing
- control valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The utility model provides a fluid switching-over integrated control valves, includes the valve piece, install break-make valve subassembly, control valve subassembly, switching-over valve subassembly in the valve piece respectively, the break-make valve subassembly includes the break-make case, and the one end of break-make case is equipped with the spring, and the one end of spring is equipped with the break-make valve gap of being connected with the valve piece, the control valve subassembly includes from the accuse case, is connected with the control case from the one end of accuse case, and the one end of control case is equipped with the control valve gap of being connected with the valve piece, the switching-over valve subassembly includes from the case that trades the case, is connected with the switching-over case from the one end of trading the case, and the one end of switching-over case is equipped with the switching-over valve gap of being connected with the valve piece. The valve group can drive and control the valve core to move according to the pressure of external fluid to change the flow direction of the fluid, and can be used for reversing the liquid in various pipelines.
Description
Technical Field
The invention relates to a fluid reversing valve, in particular to a fluid reversing integrated control valve group.
Background
The reversing valve is an important control unit in the fluid pipeline system, has the functions of regulating pressure stabilization, overflow pressure relief and the like, and can drive the mechanism to enable the moving part to do lifting, sliding or steering movement. In a conventional hydraulic system, a check valve, a control valve and a reversing valve are used simultaneously, the number of valve bodies is large, pipelines are complex, the occupied space is large, in a hydraulic control occasion with high reliability requirement, external signal feedback is usually required to be received, the valve core is realized in an electromagnetic manner to realize fluid motion runner switching, the structure is complex, the cost is high, and an additional control system is required, so that an integrated valve group integrating on-off and reversing of a full hydraulic collector is designed, and the integrated valve group can be applied to various industrial pipelines to realize fluid reversing according to pipeline pressure.
Disclosure of Invention
The invention aims to provide a fluid reversing integrated control valve group so as to solve the problems, the fluid reversing can be realized according to pressure change in a pipeline of a hydraulic system, the fluid reversing is controlled without depending on external additional control signals, and the fluid reversing integrated control valve group can meet the control requirement on the fluid flow direction in a pipeline.
The technical scheme adopted for achieving the purpose is that the fluid reversing integrated control valve bank comprises a valve block, an on-off valve assembly, a control valve assembly and a reversing valve assembly are respectively installed in the valve block, the on-off valve assembly comprises an on-off valve core, a spring is arranged at one end of the on-off valve core, an on-off valve cover connected with the valve block is arranged at one end of the spring, the control valve assembly comprises a slave control valve core, the control valve core is connected with one end of the slave control valve core, the control valve cover connected with the valve block is arranged at one end of the control valve core, the reversing valve cover connected with the valve block is arranged at one end of the slave valve core, an on-off main oil way and a control oil way are arranged in the control valve assembly, a reversing main oil way and a reversing control oil way are arranged in the reversing valve assembly, the on-off main oil way is respectively communicated with the control main oil way and the reversing main oil way, an unloading channel is arranged in the valve block and is respectively communicated with the on-off valve assembly, the control valve assembly and the reversing valve assembly.
Further, the control valve core and the slave control valve core are in bolt connection and can be simultaneously in axial linkage; the slave control valve core is provided with a slave control axial hole and a slave control radial through hole, and the slave control radial through hole is communicated with the external unloading channel through the slave control axial hole.
Further, the reversing valve core is in bolt connection with the slave valve core and can be simultaneously in axial linkage; the secondary valve core is provided with a secondary axial hole and a secondary radial through hole, and the secondary radial through hole is communicated with the external unloading channel through the secondary axial hole.
Further, a control oil way in the control valve assembly is communicated with an external oil way system, and the control valve core is pushed to move by pressure change of the external oil way system.
Advantageous effects
Compared with the prior art, the invention has the following advantages.
1. The hydraulic system comprises an on-off valve core opened by fluid pressure, the on-off of pressure oil flowing through a valve group is controlled, the valve core is controlled to be driven by pressure oil of an external oil circuit system, and the valve core is in linkage movement, so that a pressure oil movement flow channel is determined, and the pressure oil is supplied to different pipelines of the hydraulic system to meet the actual engineering requirement;
2. the invention only needs to receive the pressure change of the system pipeline to automatically adjust the movement direction of the pressure oil, and automatically commutates without additional control system or operation, and has simple structure, small occupied space and high integration level.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a front view of a fluid reversing integrated control valve assembly of the present invention;
FIG. 2 is a top view of the fluid reversing integrated control valve assembly of the present invention;
FIG. 3 is a schematic diagram of a fluid reversing integrated control valve set according to the present invention;
FIG. 4 is a schematic view of the flow channel structure of the valve block according to the present invention;
FIG. 5 is a cross-sectional view of the structure at A-A in FIG. 1;
FIG. 6 is a cross-sectional view of the structure at D-D in FIG. 2;
FIG. 7 is a cross-sectional view of the structure at B-B in FIG. 2;
fig. 8 is a cross-sectional view of the structure at C-C in fig. 2.
Detailed Description
In order to more clearly illustrate the present invention, the present invention will be described in further detail with reference to the following examples and the accompanying drawings.
As shown in fig. 1-8, a fluid reversing integrated control valve group comprises a valve block 1, an on-off valve assembly 2, a control valve assembly 3 and a reversing valve assembly 4 are respectively installed in the valve block 1, the on-off valve assembly 2 comprises an on-off valve core 7, one end of the on-off valve core 7 is provided with a spring 8, one end of the spring 8 is provided with an on-off valve cover 6 connected with the valve block 1, the control valve assembly 3 comprises a slave control valve core 11, one end of the slave control valve core 11 is connected with a control valve core 10, one end of the control valve core 10 is provided with a control valve cover 9 connected with the valve block 1, the reversing valve assembly 4 comprises a slave valve core 14, one end of the slave valve core 14 is connected with a reversing valve core 13, one end of the reversing valve core 13 is provided with a reversing valve cover 12 connected with the valve block 1, an on-off main oil way 21 is arranged in the on-off valve assembly 2, one end of the control valve assembly 3 is provided with a control main oil way 31 and a control oil way 32, one end of the reversing valve assembly 4 is provided with a reversing main oil way 41 and a reversing control oil way 42, the on-off main oil way 21 is respectively communicated with the control main oil way 31 and the reversing valve 41, one end of the control valve assembly 4 is respectively, the unloading valve assembly 2 is communicated with the reversing valve assembly 1, and the reversing valve assembly 2 is respectively communicated with an unloading channel 5.
The control valve core 10 is in bolt connection with the slave valve core 11 and can be simultaneously in axial linkage; the slave valve core 11 is provided with a slave axial hole 111 and a slave radial through hole 112, and the slave radial through hole 112 is communicated with the external unloading channel 5 through the slave axial hole 111.
The reversing valve core 13 is in bolt connection with the slave valve core 14 and can be axially linked at the same time; the secondary valve core 14 is provided with a secondary axial hole 141 and a secondary radial through hole 142, and the secondary radial through hole 142 is communicated with the external unloading channel 5 through the secondary axial hole 141.
The control oil way 32 in the control valve assembly 3 is communicated with an external oil way system, and the control valve core 10 is pushed to move by the pressure change of the external oil way system.
In the invention, the on-off valve assembly 2, the control valve assembly 3 and the reversing valve assembly 4 are all integrated on a valve block 1 with multiple fluid channels; the on-off valve assembly 2 comprises an on-off valve cover 6, an on-off valve core 7 and a spring 8, wherein one end of the on-off valve core 7 compresses the spring 8 in the on-off valve cover 6, the other end of the on-off valve core is communicated with an external pressure flow passage from the inside of the valve block 1, and the middle of the on-off valve core is in an arc flange shape and is sealed with the on-off valve cover 6 by a line; the control valve assembly comprises a control valve cover 9, a control valve core 10 and a slave control valve core 11, wherein one end of the control valve core 10 is provided with two sections of different-diameter cylindrical structures, one end of the slave control valve core 11 is provided with a U-shaped hollow groove, and the control valve core 10 and the slave control valve core 11 are mutually connected in a bolt manner through the two sections of different-diameter cylindrical structures and the U-shaped hollow groove; the reversing valve assembly 4 comprises a reversing valve cover 12, a reversing valve core 13 and a secondary reversing valve core 14, wherein one end of the reversing valve core 13 is provided with two sections of reducing cylinder structures, one end of the secondary reversing valve core 14 is provided with a U-shaped hollow groove, and the reversing valve core 13 is in bolting connection with the secondary reversing valve core 14; the valve block 1 is internally provided with a flow passage which is communicated with the on-off valve assembly 2, the control valve assembly 3 and the reversing valve assembly 4; the system pressure enables the on-off valve core 7 to be opened, so that oil through flow in the valve group is realized, the control valve assembly 3 is pushed by external oil pressure to move the control valve core 10, the linkage slave control valve core 11 flows out from different ports to drive the control reversing valve core 13, the linkage control slave valve core 14 is operated, the pressure oil flows out from different oil ports is realized, and the fluid reversing control function is realized.
When the invention is embodied, the on-off valve assembly 2, the control valve assembly 3 and the reversing valve assembly 4 are integrated in the valve block 1, and the on-off valve cover 6, the control valve cover 9 and the reversing valve cover 12 are connected with the valve block 1 through threads, so that each valve core is in clearance fit in a valve block cavity; when external fluid enters the on-off main oil way 21 through a port Ps, the on-off valve core 7 is jacked up by overcoming the spring force of the valve spring 8 through hydraulic pressure, the oil flow of a hydraulic system enters the valve block through a port P and enters a port P1, the pressure oil is provided for a control main oil way 31 of a downstream control valve assembly 3 and a reversing main oil way 41 of a reversing valve assembly 4, the port Rs and the port Ls on the control valve assembly 3 are interfaces of the control oil way 32, external pressure feedback is received, and the port P2 is an interface of the control main oil way 31; as shown in fig. 4-8, the port P2 is communicated with the port P1, the port T1 is communicated with the external unloading channel 5, when pressure oil flows into the port Ls, the control valve core 10 is pushed to move leftwards, the slave valve core 11 is linked, the port P2 and the port Q are further communicated, the pressure oil enters the downstream through the port Q, and at the moment, the port S is communicated with the port T1 through the slave radial through hole 112 and the slave axial hole 111; when the Rs port of the control oil way 32 is provided with pressure oil to flow in, the control valve core 10 is pushed to move to the right side, the linkage slave valve core 11 is further communicated with the P2 port and the S port, the pressure oil enters the downstream through the S port, and the Q port is communicated with the T1 port at the moment; the S1 port and the Q1 port of the reversing valve assembly are interfaces of a reversing control oil way 42, the P3 port is an interface of a reversing main oil way 41, the Q1 port is communicated with the Q port, the S port is communicated with the S1 port, the P2 port and the P3 port are communicated with an external unloading channel 5, the T2 port is communicated with an external unloading channel 5, when oil enters the S1 port through the S port, the reversing valve core 13 is pushed to move leftwards, the reversing main oil way 41 is communicated with the R port through the P3 port, pressure oil flows out of the R port, the F port is communicated with the T2 port at the moment, when the oil enters the S1 port through the S port, the reversing valve core 13 is pushed to move rightwards, the reversing main oil way 41 is communicated with the F port through the P3 port, the pressure oil flows out of the F port, and the R port is communicated with the T2 port at the moment.
According to the implementation of the reversing function of the integrated valve block, the control valve core of the control valve assembly is pushed to move according to the oil pressure change of an external system on the Rs port or the Ls port, so that the working position of the reversing valve core of the reversing valve assembly is controlled, and the reversing flow of pressure oil is realized.
Claims (2)
1. The utility model provides a fluid switching-over integrated control valves, includes valve piece (1), its characterized in that, install break-make valve subassembly (2), control valve subassembly (3), switching-over valve subassembly (4) in valve piece (1) respectively, break-make valve subassembly (2) piece is including break-make case (7), the one end of break-make case (7) is equipped with spring (8), the one end of spring (8) is equipped with break-make valve gap (6) that are connected with valve piece (1), control valve subassembly (3) include from accuse case (11), the one end of follow accuse case (11) is connected with control valve core (10), the one end of control valve core (10) is equipped with control valve gap (9) that are connected with valve piece (1), switching-over valve subassembly (4) include from changing valve core (14), the one end of changing-over valve core (14) is connected with switching-over case (13), the one end of switching-over valve core (13) is equipped with switching-over valve gap (12) that are connected with valve piece (1), be equipped with on-off main oil way (21) in the switching-over valve subassembly (2), be equipped with control main oil circuit (31) and control oil circuit (32) in control valve subassembly (3), be equipped with control oil circuit (31) and control oil circuit (41) and main oil circuit (41) are connected with respectively The reversing main oil way (41) is communicated, the control main oil way (31) is communicated with the reversing control oil way (42), an external unloading channel (5) is arranged in the valve block (1), and the external unloading channel (5) is respectively communicated with the on-off valve assembly (2), the control valve assembly (3) and the reversing valve assembly (4); the control valve core (10) is in bolt connection with the slave control valve core (11) and can be simultaneously in axial linkage; the slave control valve core (11) is provided with a slave control axial hole (111) and a slave control radial through hole (112), and the slave control radial through hole (112) is communicated with the external unloading channel (5) through the slave control axial hole (111); the reversing valve core (13) is in bolt connection with the slave valve core (14) and can be axially linked at the same time; the secondary valve core (14) is provided with a secondary axial hole (141) and a secondary radial through hole (142), and the secondary radial through hole (142) is communicated with the opposite external unloading channel (5) through the secondary axial hole (141).
2. A fluid reversing integrated control valve set according to claim 1, characterized in that a control oil circuit (32) in the control valve assembly (3) is communicated with an external oil circuit system, and the control valve core (10) is pushed to move by the pressure change of the external oil circuit system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049429.6A CN113898627B (en) | 2021-09-08 | 2021-09-08 | Fluid reversing integrated control valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049429.6A CN113898627B (en) | 2021-09-08 | 2021-09-08 | Fluid reversing integrated control valve group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113898627A CN113898627A (en) | 2022-01-07 |
| CN113898627B true CN113898627B (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111049429.6A Active CN113898627B (en) | 2021-09-08 | 2021-09-08 | Fluid reversing integrated control valve group |
Country Status (1)
| Country | Link |
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| CN (1) | CN113898627B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173609A (en) * | 2007-10-24 | 2008-05-07 | 中国航天科技集团公司烽火机械厂 | Multilevel control valve |
| WO2015078249A1 (en) * | 2013-11-26 | 2015-06-04 | 三一汽车制造有限公司 | Integrated hydraulic valve unit, hydraulic driving system and concrete pump |
| CN108679029A (en) * | 2018-05-18 | 2018-10-19 | 宁波真格液压科技有限公司 | A kind of ram control valve |
| CN209557372U (en) * | 2019-03-19 | 2019-10-29 | 郑州海大液压技术有限公司 | A kind of reversing mechanism of two-way hydraulic valve |
| CN112065800A (en) * | 2020-09-16 | 2020-12-11 | 湖北三江航天万山特种车辆有限公司 | Multifunctional oil circuit integrated block |
| CN213419539U (en) * | 2020-09-01 | 2021-06-11 | 斯特林液压制造(宁波)有限公司 | Pumping main valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6904937B2 (en) * | 2002-12-11 | 2005-06-14 | Delphi Technologies, Inc. | Switchable fluid control valve system |
| DE102004030045B3 (en) * | 2004-06-22 | 2005-11-03 | Sauer-Danfoss (Neumünster) GmbH & Co OHG | Valve assembly in a hydraulic circuit, use thereof and arrangement for controlling a hydraulic vehicle drive |
-
2021
- 2021-09-08 CN CN202111049429.6A patent/CN113898627B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173609A (en) * | 2007-10-24 | 2008-05-07 | 中国航天科技集团公司烽火机械厂 | Multilevel control valve |
| WO2015078249A1 (en) * | 2013-11-26 | 2015-06-04 | 三一汽车制造有限公司 | Integrated hydraulic valve unit, hydraulic driving system and concrete pump |
| CN108679029A (en) * | 2018-05-18 | 2018-10-19 | 宁波真格液压科技有限公司 | A kind of ram control valve |
| CN209557372U (en) * | 2019-03-19 | 2019-10-29 | 郑州海大液压技术有限公司 | A kind of reversing mechanism of two-way hydraulic valve |
| CN213419539U (en) * | 2020-09-01 | 2021-06-11 | 斯特林液压制造(宁波)有限公司 | Pumping main valve |
| CN112065800A (en) * | 2020-09-16 | 2020-12-11 | 湖北三江航天万山特种车辆有限公司 | Multifunctional oil circuit integrated block |
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| Publication number | Publication date |
|---|---|
| CN113898627A (en) | 2022-01-07 |
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