CN105370647B - Hand-operated direction valve - Google Patents

Hand-operated direction valve Download PDF

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Publication number
CN105370647B
CN105370647B CN201510373132.3A CN201510373132A CN105370647B CN 105370647 B CN105370647 B CN 105370647B CN 201510373132 A CN201510373132 A CN 201510373132A CN 105370647 B CN105370647 B CN 105370647B
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China
Prior art keywords
oil duct
oil
valve
hand
operated direction
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CN201510373132.3A
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CN105370647A (en
Inventor
黄桂宏
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Beijing Tianze Power Group Co ltd
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BEIJING TIANZE ELECTRIC POWER EQUIPMENT Co Ltd
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Abstract

The first oil duct and a plurality of second oil duct, valve body, installed in the upper end of valve seat are offered the invention discloses a kind of hand-operated direction valve, including valve seat, in it;Reverse mandrel, including axostylus axostyle and core, axostylus axostyle wear mounting hole, and stretch out valve body, and core is placed in cavity, and formed preset clearance;The equal insertion in two ends is offered in core to its lower end to form the 3rd oil duct of oil inlet and oil-out, and the oil inlet of the 3rd oil duct is docked with the oil-out of the first oil duct;Wherein:The oil inlet of second oil duct is arranged in using the axle center of axostylus axostyle as the center of circle, distance using the oil-out of the 3rd oil duct to axle center is so that third channel can be connected with any one the second oil duct when core rotates, and can connect on the circle of radius by preset clearance between remaining second oil duct;Reversing handle, is connected with axostylus axostyle.The hand-operated direction valve of the present invention, when the hand-operated direction valve can make one of executive component work, remaining executive component is in reset state.

Description

Hand-operated direction valve
Technical field
The present invention relates to a kind of pneumatic-hydraulic element, more particularly to a kind of hand-operated direction valve.
Background technology
Hand-operated direction valve is the direction controlling valve operated using handle, and commutation is played in system with pressure and (changes power to be situated between The flow direction of matter) and switch (switching on or off) effect, it is widely used in the pneumatic and field of surging.
In air pressure or hydraulic power system, to meet need of work, a pump is frequently encountered for multiple executive components (such as single-acting cylinder) provides the situation of power, and when requiring one of executive component work, remaining executive component, which is in, to be resetted State, i.e., one of them, which is in, pressure condition (pressure medium is there are in executive component), and remaining is in depressurization phase (executive component Interior medium is without pressure).To realize the above-mentioned functions of air pressure or hydraulic power system, in the prior art usually using multiple directional control valve Control multiple executive components.But multiple directional control valve of the prior art is superimposed by multiple commutation valve bodies and formed, so that multichannel The overall volume of reversal valve is big, gas circuit or oil circuit are more complicated.And multiple directional control valve of the prior art is not easy increase Working hole, therefore the need for executive component increase can not be met.
The content of the invention
For above-mentioned technical problem present in prior art, the invention provides a kind of small volume, oil and gas path are simple Hand-operated direction valve, when the hand-operated direction valve can make one of executive component work, remaining executive component, which is in, resets shape State.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of hand-operated direction valve, applied in hydraulic-pneumatic system, it is characterised in that including:
Valve seat, is offered in it above and below the first oil duct and a plurality of second oil duct, the first oil duct difference insertion valve seat Two ends are to form oil-out and oil inlet;Second oil duct distinguish the upper and lower ends of valve seat described in insertion with formed oil inlet and Oil-out;
Valve body, installed in the upper end of the valve seat, it offers mounting hole and the chamber with the mounting hole insertion;
Reverse mandrel, including axostylus axostyle and core, the axostylus axostyle wear the mounting hole, and stretch out the valve body, the core Portion is placed in the chamber, and formed preset clearance;The equal insertion in two ends is offered in the core to its lower end with shape Oil inlet into oil inlet and the 3rd oil duct of oil-out, and the 3rd oil duct is docked with the oil-out of the first oil duct;Wherein:
The oil inlet of second oil duct is arranged in using the axle center of the axostylus axostyle as the center of circle, with the fuel-displaced of the 3rd oil duct Mouthful to axle center distance for radius circle on so that when the core rotates the third channel can with any one second Oil duct is connected, and can be connected between remaining second oil duct by preset clearance;
Reversing handle, is connected with axostylus axostyle.
Preferably, the center of the core lower end opens up positioning hole, the valve seat upper end be correspondingly arranged on wear it is described The locating dowel of positioning hole;One end insertion of 3rd oil duct is to the bottom of the positioning hole to form entering for the 3rd oil duct Hydraulic fluid port, one end insertion to the end of the locating dowel of first oil duct forms the oil-out of first oil duct.
Preferably, the chamber is cylindrical chamber, the shaft rod upper sleeve is provided with thrust bearing, and thrust bearing position Between the bottom surface of the cylindrical chamber and the upper surface of the core.
Preferably, second oil duct is to be provided with valve in straight oil duct, the straight oil duct close to one section of its oil inlet Set and the first spring for making the valve pocket be docked with certain pretightning force with the oil-out of the 3rd oil duct.
Preferably, being also arranged with the tetrafluoro back-up ring for sealing the valve pocket and the valve seat on the valve pocket.
Preferably, being equiped with needle bearing in the mounting hole.
Preferably, the upper end capping limited location end cap of the valve body, the axostylus axostyle wears the spacing end cap, the valve The upper end of body is offered and second spring is equiped with blind hole, the blind hole, and the upper end of the second spring is provided for against institute State the decorative pearl on top of an official cap of spacing end cap.
Preferably, second oil duct is four.
Preferably, the valve seat is provided with a pressure oil duct, its one end is connected with first oil duct, and institute is led in one end State valve seat end face and form pressure gauge connection.
Compared with prior art, the beneficial effect of hand-operated direction valve of the invention is:The hand-operated direction valve of the present invention passes through Rotation reverse mandrel makes the first oil duct (its oil inlet is P mouthfuls, is connected with pump) connect (its oil-out with any one second oil duct For working hole or T mouthfuls, it is connected with executive component), intercommunication between remaining second oil duct, it is achieved thereby that making one of execution During element manipulation, remaining executive component is in the function of reset state, it is often more important that hand-operated direction valve of the invention is not It is superimposed to be formed by multiple commutation valve bodies, therefore, small volume, inner flow passage arrangement is simple.
Brief description of the drawings
Fig. 1 is the top view of the hand-operated direction valve of the present invention;
Fig. 2 is Fig. 1 B-B direction sectional view;
Fig. 3 for Fig. 1 C-C to sectional view;
Fig. 4 is the upward view of the hand-operated direction valve of the present invention, wherein mainly showing the polycrystalline substance of valve seat;
Fig. 5 is Fig. 3 straight oil duct partial enlarged drawing.
Reference:
1- valve seats;The oil ducts of 11- first;111- the first oil duct oil inlets;112- the first oil duct oil-outs;The oil ducts of 12- second; 121- the second oil duct oil inlets;122- the second oil duct oil-outs;The straight oil ducts of 123-;1231- valve pockets;The springs of 1232- first; 1233- tetrafluoro back-up rings;13- screwed holes;14- locating dowels;15- pressure oil ducts;151- pressure gauge connections;2- valve bodies;21- is fixed Hole;22- mounting holes;23- chambers;The spacing end caps of 24-;241- stopper slots;25- blind hole 251- second springs;The 252- decorative pearls on top of an official cap;253- Lead;3- reverse mandrels;31- axostylus axostyles;32- cores;321- positioning holes;The oil ducts of 33- the 3rd;The oil duct oil inlets of 331- the 3rd; The oil duct oil-outs of 332- the 3rd;4- bolts;5- reversing handles;6- thrust bearings;7- needle bearings;
Embodiment
To make those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and specific embodiment party Formula elaborates to the present invention.
As shown in Fig. 2 The embodiment provides a kind of hand-operated direction valve, including:Valve seat 1, valve body 2 and commutation core Axle 3.
The first oil duct 11 and a plurality of second oil duct 12 are offered in valve seat 1, the first oil duct 11 distinguishes insertion valve seat about 1 Two ends are to form oil-out 112 and oil inlet 111;Second oil duct 12 upper and lower ends of valve seat 1 described in insertion and is distributed in respectively To form oil inlet 121 and oil-out 122 around first oil duct 11;Valve body 2 is arranged on the upper end of valve seat 1, the end face of valve body 2 Multiple fixing holes 21 are equipped with, valve seat 1 is provided with multiple corresponding screwed holes 13, and bolt 4 sequentially passes through fixing hole 21 and screw thread It is fixedly connected behind hole 13 in valve seat 1 and valve body 2, valve body 2 and offers mounting hole 22 and the chamber 23 with mounting hole insertion;Commutation Mandrel 3, including axostylus axostyle 31 and core 32, axostylus axostyle 31 are arranged in mounting hole 22, and stretch out valve body 2, and core 32 is placed in described In chamber 23, and formed preset clearance;The equal insertion in two ends is offered in core 32 to its lower end to form the He of oil inlet 331 3rd oil duct 33 of oil-out 332, and the oil inlet 331 of the 3rd oil duct 33 docks with the oil-out 112 of the first oil duct 11; Wherein:The oil inlet 121 of second oil duct 12 is arranged in using the axle center of axostylus axostyle 31 as the center of circle, with the oil-out 331 of the 3rd oil duct 33 To axle center distance on the circle of radius so that the 3rd oil duct 33 described in when the core 32 rotates can with any one the Two oil ducts 12 are connected, and can be connected between remaining second oil duct 12 by preset clearance;Reversing handle 5, with stretching out valve body 2 The part of axostylus axostyle 31 is connected.The center of the lower end of core 32 opens up positioning hole 321, and the upper end of valve seat 1, which is correspondingly arranged on, wears the positioning hole 321 locating dowel 14;One end insertion of 3rd oil duct 33 is to the bottom of positioning hole 321 to form the oil-feed of the 3rd oil duct 33 Mouth 331, one end insertion of the first oil duct 11 forms the oil-out 112 of the first oil duct to the end of locating dowel 14.When need change During the break-make of oil circuit, rotating reversing handle 5 makes the oil-out 332 of the 3rd oil duct be directed at corresponding second oil duct oil inlet 121 i.e. Can.
The chamber 23 of the hand-operated direction valve of the present invention is to be arranged with thrust bearing 6 on cylindrical chamber, axostylus axostyle 31, the thrust axis Hold 6 to be located between the bottom surface of cylindrical chamber 23 and the upper surface of core 32, so that ensure that can steadily commutate under load.
In valve seat 1, the second oil duct 12 is to be set in straight oil duct 123, the straight oil duct 123 close to one section of its oil inlet 121 There are valve pocket 1231 and the first bullet for making the valve pocket 1231 be docked with certain pretightning force with the oil-out 332 of the 3rd oil duct Spring 1232.Reverse mandrel 3 selects high strength alloy steel, and Wear-resistant Treatment technique is done on surface, adds hand-operated direction valve of the present invention Service life, in the presence of the first spring 1232, the part that valve pocket 1231 and core 32 are contacted can be sufficiently sealed,
The tetrafluoro back-up ring 1233 for sealing the valve pocket 1231 and the valve seat 1 is also arranged with valve pocket 1231.Install Needle bearing 7 is equiped with hole 22, axostylus axostyle 31 is sheathed on the needle bearing 7, and the outer end of needle bearing 7 matches with mounting hole 22 Close, so as to limit the relative displacement of valve body 2 and the horizontal direction of mandrel 3.
, can not be accurate in the commutation of oil duct due to can't see its immanent structure in the hand-operated direction valve work of the present invention True is switched to the oil duct to be connected, for convenience of the operation of staff, in a preferred embodiment of the invention, valve body 2 upper end capping limited location end cap 24, axostylus axostyle 31 wears the spacing end cap 24, and the upper end of valve body 2 offers blind hole 25, blind hole Second spring 251 is equiped with 25 and the lead 253 of second spring 251 is placed in, the upper end of second spring 251 is provided for Against the decorative pearl on top of an official cap 252 of the spacing end cap 24.There is the stopper slot 241 corresponding to a plurality of second oil duct 12 the spacing lower end of end cap 24, The decorative pearl on top of an official cap 252 is by jacking stopper slot 241, the corresponding oil of second oil duct oil inlet 121 and the 3rd under the active force of second spring 251 Road oil-out 332 is docked.For convenience of pressure in monitoring oil duct, valve seat is provided with a pressure oil duct 15, its one end and the first oil duct 11 connections, one end leads to the end face of valve seat 1 and forms pressure gauge connection 151.
In one preferred embodiment of the hand-operated direction valve of the present invention, the second oil duct 12 is four.Design concept of the present invention Advantage be, can (in theory can will according to actual use according to the quantity for increasing by the second oil duct 12 the need for practical application Seek infinite expanding), this extension only need to design more holes (the second oil duct) to increase branch in the circumference of valve seat 1 and mandrel 3 Hold executing agency's quantity.
The hand-operated direction valve of the present invention makes the first oil duct 11 (its oil inlet is P mouthful, with pump company by rotating reverse mandrel Connect) (its oil-out is working hole or T mouthfuls, is connected with executive component) is connected with any one second oil duct 12, remaining second Intercommunication between oil duct 12, it is achieved thereby that when making one of executive component work, remaining executive component is in reset state Function, it is often more important that hand-operated direction valve of the invention is superimposed and formed by multiple commutation valve bodies, therefore, volume compared with Small, inner flow passage arrangement is simple.
In summary, hand-operated direction valve of the invention has the following advantages that:
1. the quantity of each oil inlet, oil-out and position can be according to flexible arrangements the need for real work.
2. multiple execution structures can be driven with a pump.
3. simple in construction, valve body, valve seat and mandrel are installed using plug-in type, convenient and swift.
4. mandrel is handled with valve pocket contact site using wear-resistant process, functional reliability and service life are added.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention Modification or equivalent substitution are planted, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.

Claims (9)

1. a kind of hand-operated direction valve, it is characterised in that including:
Valve seat, the first oil duct and a plurality of second oil duct are offered in it, and first oil duct distinguishes the upper and lower ends of insertion valve seat To form oil-out and oil inlet;Second oil duct distinguishes the upper and lower ends of valve seat described in insertion to form oil inlet and fuel-displaced Mouthful;
Valve body, installed in the upper end of the valve seat, it offers mounting hole and the chamber with the mounting hole insertion;
Reverse mandrel, including axostylus axostyle and core, the axostylus axostyle wear the mounting hole, and stretch out the valve body, and the core holds It is placed in the chamber, and formed preset clearance;The equal insertion in two ends is offered in the core to its lower end with formed into 3rd oil duct of hydraulic fluid port and oil-out, and the oil inlet of the 3rd oil duct docks with the oil-out of the first oil duct;Wherein:
The oil inlet of second oil duct is arranged in using the axle center of the axostylus axostyle as the center of circle, is arrived with the oil-out of the 3rd oil duct The distance in axle center is so that the 3rd oil duct can be with any one the second oil duct described in when the core rotates on the circle of radius Connection, and can be connected between remaining second oil duct by preset clearance;
Reversing handle, is connected with axostylus axostyle.
2. hand-operated direction valve according to claim 1, it is characterised in that the center of the core lower end opens up positioning hole, The valve seat upper end is correspondingly arranged on the locating dowel for wearing the positioning hole;One end insertion of 3rd oil duct is to the positioning The bottom in hole is to form the oil inlet of the 3rd oil duct, the end shape of one end insertion of first oil duct to the locating dowel Into the oil-out of first oil duct.
3. hand-operated direction valve according to claim 2, it is characterised in that the chamber is on cylindrical chamber, the axostylus axostyle Thrust bearing is arranged with, and the thrust bearing is located between the bottom surface of the cylindrical chamber and the upper surface of the core.
4. hand-operated direction valve according to claim 3, it is characterised in that one section close to its oil inlet of second oil duct For straight oil duct, valve pocket is provided with the straight oil duct and for making the valve pocket with certain pretightning force and the 3rd oil duct First spring of oil-out docking.
5. hand-operated direction valve according to claim 4, it is characterised in that be also arranged with the valve pocket described for sealing The tetrafluoro back-up ring of valve pocket and the valve seat.
6. hand-operated direction valve according to claim 1, it is characterised in that be equiped with needle bearing in the mounting hole.
7. hand-operated direction valve according to claim 1, it is characterised in that the upper end capping limited location end cap of the valve body, The axostylus axostyle wears the spacing end cap, and the upper end of the valve body, which is offered in blind hole, the blind hole, is equiped with second spring, The upper end of the second spring is provided for the decorative pearl on top of an official cap against the spacing end cap.
8. hand-operated direction valve according to claim 1, it is characterised in that second oil duct is four.
9. hand-operated direction valve according to claim 1, it is characterised in that the valve seat is provided with a pressure oil duct, one End is connected with first oil duct, and one end leads to the valve seat end face and forms pressure gauge connection.
CN201510373132.3A 2015-06-30 2015-06-30 Hand-operated direction valve Active CN105370647B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510373132.3A CN105370647B (en) 2015-06-30 2015-06-30 Hand-operated direction valve

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Application Number Priority Date Filing Date Title
CN201510373132.3A CN105370647B (en) 2015-06-30 2015-06-30 Hand-operated direction valve

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CN105370647A CN105370647A (en) 2016-03-02
CN105370647B true CN105370647B (en) 2017-09-29

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167473A (en) * 2018-01-12 2018-06-15 苏州羽美尚精密机械有限公司 A kind of water pipe head for the threeway change of current
CN114382937B (en) * 2021-11-29 2024-05-28 武汉船用机械有限责任公司 Hydraulic control device of electrohydraulic ball valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2611659Y (en) * 2003-04-04 2004-04-14 无锡气动技术研究所有限公司 Locking means of manual direction valve
CN201190810Y (en) * 2008-05-08 2009-02-04 周重威 Ultrapressure hand three-position four-way change valve
CN201462083U (en) * 2009-07-31 2010-05-12 胡剑敏 Ultrahigh pressure manual three position four way directional valve
CN103115032A (en) * 2013-03-04 2013-05-22 嘉善海力达工具有限公司 Manual rotary type hydraulic reversing valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2611659Y (en) * 2003-04-04 2004-04-14 无锡气动技术研究所有限公司 Locking means of manual direction valve
CN201190810Y (en) * 2008-05-08 2009-02-04 周重威 Ultrapressure hand three-position four-way change valve
CN201462083U (en) * 2009-07-31 2010-05-12 胡剑敏 Ultrahigh pressure manual three position four way directional valve
CN103115032A (en) * 2013-03-04 2013-05-22 嘉善海力达工具有限公司 Manual rotary type hydraulic reversing valve

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Address after: Eight Zhuang Xili 100025 Beijing Chaoyang District Chaoyang Road No. 100 building B1801-1803 2000

Patentee after: Beijing Tianze Power Group Co.,Ltd.

Country or region after: China

Address before: Eight Zhuang Xili 100025 Beijing Chaoyang District Chaoyang Road No. 100 building B1801-1803 2000

Patentee before: BEIJING TIANZE ELECTRIC POWER EQUIPMENT Co.,Ltd.

Country or region before: China