CN108999823B - A kind of two-way unidirectional sequence valve arrangement - Google Patents

A kind of two-way unidirectional sequence valve arrangement Download PDF

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Publication number
CN108999823B
CN108999823B CN201811074442.5A CN201811074442A CN108999823B CN 108999823 B CN108999823 B CN 108999823B CN 201811074442 A CN201811074442 A CN 201811074442A CN 108999823 B CN108999823 B CN 108999823B
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China
Prior art keywords
spring
oil
unidirectional
oil circuit
screw rod
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CN201811074442.5A
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CN108999823A (en
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不公告发明人
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Lianyungang Haigan Technology Co., Ltd.
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Lianyungang Haigan Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/027Check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B2013/002Modular valves, i.e. consisting of an assembly of interchangeable components

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)

Abstract

The invention discloses a kind of two-way unidirectional sequence valve arrangements, including, valve body, the first oil circuit, the second oil circuit, in-line are provided on the valve body, first oil circuit and the second oil circuit are symmetricly set on the both sides of in-line, the lateral oil duct vertical with the first oil circuit, the second oil circuit, in-line is provided on the valve body, one way sequence valve, the right installation throttling one way sequence valve of the transverse direction oil duct are installed in the left side of the transverse direction oil duct;The one way sequence valve includes the first screw rod, first screw rod passes through the first unidirectional body, the first spring is arranged outside first screw rod, and first one end of spring be against the inside of the first unidirectional body, the oil return hole of connection fuel tank is provided on the in-line, it is arranged third spring outside the check valve, third spring base is arranged outside the third spring, the third spring base is mounted on valve body by screw.Structure of the invention is simple, and two-way may be implemented and carry out fuel feeding, two-way shares a check valve.

Description

A kind of two-way unidirectional sequence valve arrangement
Technical field
The present invention relates to hydraulic valve technology, in particular to a kind of two-way unidirectional sequence valve arrangement.
Background technique
One complete hydraulic system is made of five parts, i.e. dynamical element, executive component, control element, auxiliary member Part and hydraulic oil.The effect of dynamicliquid pressure elements is that the mechanical energy of prime mover is converted into the pressure energy of liquid, is referred to hydraulic Oil pump in system, it provides power to entire hydraulic system.The structure type of hydraulic pump generally has gear pump, vane pump and column Plug pump.The effect of executive component (such as hydraulic cylinder and hydraulic motor) is that the pressure energy of liquid is converted to mechanical energy, driving load Make straight reciprocating motion or rotary motion.Control element (i.e. various hydraulic valves) controls in hydraulic system and adjusts the pressure of liquid Power, flow and direction.According to the difference of control function, hydraulic valve can be divided into pressure-control valve, flow control valve and direction controlling Valve.Pressure-control valve is divided into overflow valve (safety valve), pressure reducing valve, one way sequence valve, pressure switch etc. again;Flow control valve packet Include throttle valve, adjustment valve, flow divider-combiner etc.;Directional control valve includes check valve, hydraulic control one-way valve, shuttle valve, reversal valve etc..Root According to control mode difference, hydraulic valve can be divided into bang-bang control valve, setting control valve and proportional control valve.Auxiliary element includes oil Case, oil filter, oil pipe and pipe fitting, sealing ring, pressure gauge, oil level oil thermometer etc..Hydraulic oil is that energy is transmitted in hydraulic system Working media, have several major class such as various mineral oil, emulsion and Synthetic Hydraulic Oil.
The one way sequence valve of the prior art is single-path architecture, while the structure of one way sequence valve is also more complicated, is needed double The prior art cannot meet the needs of people when road.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of two-way unidirectional sequence valve arrangement The one way sequence valve of the prior art is single-path architecture, while the structure of one way sequence valve is also more complicated, when needing two-way The prior art cannot meet the technical issues of the needs of people.
To achieve the above object, the invention provides the following technical scheme: a kind of two-way unidirectional sequence valve arrangement, including, valve Body is provided with the first oil circuit, the second oil circuit, in-line on the valve body, and first oil circuit and the second oil circuit are symmetricly set on The both sides of in-line are provided with the lateral oil duct vertical with the first oil circuit, the second oil circuit, in-line, the cross on the valve body One way sequence valve, the right installation throttling one way sequence valve of the transverse direction oil duct are installed to the left side of oil duct;The unidirectional sequence Valve includes the first screw rod, and first screw rod passes through the first unidirectional body, is arranged the first spring, and first outside first screw rod One end of spring is against the inside of the first unidirectional body, and the other end and the first spring base of first spring offset, and described first Spring base is threaded in the one end of the first screw rod far from the first unidirectional body;The throttling one way sequence valve includes the second screw rod, Second screw rod passes through the second unidirectional body, is arranged second spring outside second screw rod, and one end of second spring is against The material of the inside of second unidirectional body, the first spring and second spring is carbon spring steel wires, the second spring it is another End offsets with second spring seat, and the second spring seat is threaded in the one end of the second screw rod far from the second unidirectional body, described The radial direction of second unidirectional body is provided with throttling pore, and the second unidirectional body, the first unidirectional body are contacted with lateral oil duct Position is spherical surface;Spherical surface is contacted by 120 ° of conical surface linear sealings being arranged inside lateral oil duct, is arranged on the in-line There is the oil return hole of connection fuel tank, check valve is installed inside the oil return hole, is arranged third spring outside the check valve, described the Third spring base is arranged outside three springs, the third spring base is mounted on valve body by screw.
Preferably, first oil circuit, the second oil circuit, in-line are disposed in parallel relation to one another.
Preferably, the lateral oil duct is intermediate small, the big structure in both sides.Intermediate and both sides transition position sets for the conical surface It sets.
Preferably, first spring is identical with the specification of second spring;The size of first screw rod and the second screw rod Specification is identical;First spring base is identical with the dimensions of second spring seat.
Preferably, first oil circuit, the second oil circuit are connected with blocking, first oil close to the threaded one end of in-line The one end of great distance from in-line is respectively communicated with the first oil passage, and the second oil circuit is connected to the second oil passage far from one end of in-line.
Preferably, the both ends of the lateral oil duct are threaded with screw plug, are equipped with spring on the inside of the screw plug.Spring Material be 40CrMO, spring filament diameter 0.5mm.
Compared with prior art, beneficial effects of the present invention are as follows: by being provided with returning for connection fuel tank on in-line Oilhole, oil return hole inside install check valve, are arranged third spring outside check valve, third spring base is arranged outside third spring, Third spring base is mounted on valve body by screw, and when from in-line oil inlet, pressure is more than the spring force of third spring When, pressure oil pushes check valve movement, opens oil return hole to the oil circuit of fuel tank, the discharge degree of pressure oil is got off, real Now reduce pressure.Hydraulic oil is divided into two-way after coming in from in-line, leads to the first unidirectional body all the way, and pressure oil pushes the first list The oil circuit of in-line to the first oil passage is opened to the spring on the body compression left side, then pressure oil rising can push away to a certain extent Dynamic first unidirectional body compresses the first spring and opens in the channel of logical oil greatly, realizes high flow rate oil supply;Another way leads to the second unidirectional body, Hydraulic oil is led into the second oil passage by the throttling pore being arranged on the second unidirectional body, pressure oil pushes the second unidirectional body compression The spring on the right opens the oil circuit of in-line to the second oil passage, and then it is single to will push second to a certain extent for pressure oil rising The channel of logical oil is opened greatly to body compression second spring, realizes high flow rate oil supply.Structure of the invention is simple, by valve body It is provided with the lateral oil duct vertical with the first oil circuit, the second oil circuit, in-line, one way sequence valve is installed on the left side of lateral oil duct, The right installation throttling one way sequence valve of lateral oil duct, may be implemented two-way and carries out fuel feeding, and two-way shares a check valve, can be with The volume of the present apparatus is saved, simplifies structure, is more convenient practical.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-sectional view of two-way unidirectional sequence valve arrangement of the invention;
Fig. 2 is a kind of check valve assembly structure diagram of two-way unidirectional sequence valve arrangement of the invention;
Fig. 3 is a kind of the first unidirectional body assembly structure diagram of two-way unidirectional sequence valve arrangement of the invention;
Fig. 4 is a kind of the second unidirectional body assembly structure diagram of two-way unidirectional sequence valve arrangement of the invention;
Fig. 5 is a kind of hydraulic principle structural schematic diagram of two-way unidirectional sequence valve arrangement of the invention.
In figure: valve body 1, blocking 2, throttling pore 103, the first oil circuit 3, spring 4, the second oil circuit 5, in-line 6, second supplies Oil circuit 7, oil return hole 8, screw plug 9, the first screw rod 10, the first spring base 11, the first spring 12, the first unidirectional body 13, second is unidirectional Body 14, second spring 15, second spring seat 16, the second screw rod 17, lateral oil duct 18, third spring base 19, third spring 20, spiral shell Nail 21, check valve 22, lateral oil duct 23, the first oil passage 24.
Specific embodiment
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of two-way unidirectional sequence valve arrangement, including, valve body 1, The first oil circuit 3, the second oil circuit 5, in-line 6 are provided on the valve body 1, first oil circuit 3 and the second oil circuit 5 are symmetrical arranged The lateral oil duct vertical with the first oil circuit 3, the second oil circuit 5, in-line 6 is provided on the both sides of in-line 6, the valve body 1 23, one way sequence valve, the right installation throttling one way sequence valve of the transverse direction oil duct 23 are installed in the left side of the transverse direction oil duct 23; The one way sequence valve includes the first screw rod 10, and first screw rod 10 is outside the first unidirectional body 13, first screw rod 10 Portion is arranged the first spring 12, and one end of the first spring 12 is against the inside of the first unidirectional body 13, first spring 12 it is another One end offsets with the first spring base 11, and first spring base 11 is threaded in the first screw rod 10 far from the first unidirectional body 13 One end;The throttling one way sequence valve include the second screw rod 17, second screw rod 17 pass through the second unidirectional body 14, described second Second spring 15 is arranged outside screw rod 17, and one end of second spring 15 is against the inside of the second unidirectional body 14, second bullet The other end of spring 15 offsets with second spring seat 16, and it is single far from second that the second spring seat 16 is threaded in the second screw rod 17 To one end of body 14, the radial direction of the second unidirectional body 14 is provided with throttling pore 103, the second unidirectional body 14, The position that one unidirectional body 13 is contacted with lateral oil duct 23 is spherical surface;Spherical surface passes through 120 ° of conical surface lines being arranged inside lateral oil duct 23 Sealing is contacted, and the oil return hole 8 of connection fuel tank is provided on the in-line 6, installs check valve inside the oil return hole 8 22, third spring 20 is arranged outside the check valve 22, and third spring base 19, the third are arranged outside the third spring 20 Spring base 19 is mounted on valve body 1 by screw 21.First oil circuit 3, the second oil circuit 5, in-line 6 are disposed in parallel relation to one another. The transverse direction oil duct 23 is intermediate small, the big structure in both sides.First spring 12 is identical with the specification of second spring 15;It is described First screw rod 10 is identical with the dimensions of the second screw rod 17;The dimensions of first spring base 11 and second spring seat 16 It is identical.First oil circuit 3, the second oil circuit 5 are connected with blocking 2 close to the threaded one end of in-line 6, and first oil circuit 3 is remote One end from in-line 6 is respectively communicated with the first oil passage 24, and the second oil circuit 5 is connected to the second oil passage far from one end of in-line 6 7.The both ends of the transverse direction oil duct 23 are threaded with screw plug 9, are equipped with spring 4 on the inside of the screw plug 9.
Working principle: when work, by being provided with the oil return hole 8 of connection fuel tank on in-line 6, pacify inside oil return hole 8 Check valve 22 is filled, third spring 20 is arranged outside check valve 22, third spring base 19, third spring is arranged outside third spring 20 Seat 19 is mounted on valve body 1 by screw 21, and when from 6 oil inlet of in-line, pressure is more than the spring force of third spring 20 When, pressure oil pushes check valve 22 to move, and the oil circuit that oil return hole 8 arrives fuel tank is opened, the discharge degree of pressure oil is got off, Realizing reduces pressure.Hydraulic oil is divided into two-way after coming in from in-line 6, leads to the first unidirectional body 13 all the way, and pressure oil pushes The spring 4 that first unidirectional body 13 compresses the left side opens the oil circuit of the 6 to the first oil passage of in-line 24, and then pressure oil rises to It will push the first unidirectional the first spring 12 of compression of body 13 to a certain degree to open in the channel of logical oil greatly, realize high flow rate oil supply;It is another Road leads to the second unidirectional body 14, and hydraulic oil is led to the second oil passage by the throttling pore 103 being arranged on the second unidirectional body 14 7, pressure oil pushes the spring 4 on the second unidirectional compression of body 14 the right to open the oil circuit of the 6 to the second oil passage of in-line 7, then Pressure oil rising will push the second unidirectional compression second spring 15 of body 14 to a certain extent and open in the channel of logical oil greatly, realize big stream Measure fuel feeding.Structure of the invention is simple, vertical with the first oil circuit 3, the second oil circuit 5, in-line 6 by being provided on valve body 1 Lateral oil duct 23, one way sequence valve, the right installation throttling unidirectional sequence of lateral oil duct 23 are installed in the left side of lateral oil duct 23 Valve may be implemented two-way and carry out fuel feeding, and two-way shares a check valve, can save the volume of the present apparatus, simplify structure, compares It is convenient and practical.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (4)

1. a kind of two-way unidirectional sequence valve arrangement, including, valve body (1), it is characterised in that: be provided with first on the valve body (1) Oil circuit (3), the second oil circuit (5), in-line (6), first oil circuit (3) and the second oil circuit (5) are symmetricly set on in-line (6) Both sides, be provided with the lateral oil duct vertical with the first oil circuit (3), the second oil circuit (5), in-line (6) on the valve body (1) (18), one way sequence valve is installed on the left side of the lateral oil duct (18), and the right installation throttling of the transverse direction oil duct (18) is unidirectional Sequence valve;The one way sequence valve includes the first screw rod (10), and first screw rod (10) passes through the first unidirectional body (13), described It is arranged the first spring (12) outside first screw rod (10), and one end of the first spring (12) is against the interior of the first unidirectional body (13) Portion, the other end and the first spring base (11) of first spring (12) offset, and first spring base (11) is threaded in The one end of first screw rod (10) far from the first unidirectional body (13);The throttling one way sequence valve includes the second screw rod (17), described Second screw rod (17) passes through the second unidirectional body (14), is arranged second spring (15) outside second screw rod (17), and the second bullet One end of spring (15) is against the inside of the second unidirectional body (14), the other end and second spring seat (16) of the second spring (15) It offseting, the second spring seat (16) is threaded in the one end of the second screw rod (17) far from the second unidirectional body (14), and described the The radial direction of two unidirectional bodies (14) is provided with throttling pore (103), the second unidirectional body (14), the first unidirectional body (13) with The position of lateral oil duct (18) contact is spherical surface;Spherical surface, which passes through 120 ° of conical surface linear sealings being arranged inside lateral oil duct (18), to carry out It contacts, the oil return hole (8) of connection fuel tank is provided on the in-line (6), check valve is installed inside the oil return hole (8) (22), it is arranged third spring (20) outside the check valve (22), is arranged third spring base outside the third spring (20) (19), the third spring base (19) is mounted on valve body (1) by screw (21);
First oil circuit (3), the second oil circuit (5), in-line (6) are disposed in parallel relation to one another;
The transverse direction oil duct (18) is intermediate small, the big structure in both sides.
2. a kind of two-way unidirectional sequence valve arrangement according to claim 1, it is characterised in that: first spring (12) and The specification of second spring (15) is identical;First screw rod (10) is identical with the dimensions of the second screw rod (17);Described first Spring base (11) is identical with the dimensions of second spring seat (16).
3. a kind of two-way unidirectional sequence valve arrangement according to claim 1, it is characterised in that: first oil circuit (3), Threaded one end of two oil circuits (5) close to in-line (6) is connected with blocking (2), and first oil circuit (3) is far from in-line (6) One end is respectively communicated with the first oil passage (24), and the second oil circuit (5) is connected to the second oil passage (7) far from the one end of in-line (6).
4. according to claim 1 to a kind of two-way unidirectional sequence valve arrangement described in 3 any one, it is characterised in that: described The both ends of lateral oil duct (18) are threaded with screw plug (9), are equipped with spring (4) on the inside of the screw plug (9).
CN201811074442.5A 2018-09-14 2018-09-14 A kind of two-way unidirectional sequence valve arrangement Active CN108999823B (en)

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CN201811074442.5A CN108999823B (en) 2018-09-14 2018-09-14 A kind of two-way unidirectional sequence valve arrangement

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Application Number Priority Date Filing Date Title
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CN108999823A CN108999823A (en) 2018-12-14
CN108999823B true CN108999823B (en) 2019-11-22

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109798271B (en) * 2019-01-31 2024-07-12 江苏佳煤机械有限公司 Shovel plate lifting hydraulic control integrated valve block and continuous miner

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN2916303Y (en) * 2006-04-29 2007-06-27 陈熠 Integrated priority valve

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Publication number Priority date Publication date Assignee Title
JPS58131481A (en) * 1982-01-28 1983-08-05 Showa Mfg Co Ltd Hydraulic valve of pump unit for motorboat
JPH0755049A (en) * 1993-08-17 1995-03-03 Kubota Corp Pilot valve
CN101519972B (en) * 2009-04-27 2010-10-27 北京天地玛珂电液控制系统有限公司 One-way sequence valve and bracket hydraulic sequence control system using same
CN104100588A (en) * 2014-06-13 2014-10-15 苏州固基电子科技有限公司 Sequence valve for medium-and-high-pressure system
CN104265709B (en) * 2014-08-27 2016-03-23 苏州福润机械有限公司 A kind of overlapping sequence valve
CN208749708U (en) * 2018-09-14 2019-04-16 陈征宇 A kind of two-way unidirectional sequence valve arrangement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2916303Y (en) * 2006-04-29 2007-06-27 陈熠 Integrated priority valve

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Effective date of registration: 20191025

Address after: 222000 Shiqiao Town Industrial Park, Ganyu District, Lianyungang City, Jiangsu Province (Baishicun)

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