CN106382269A - Combination valve with speed governing, reversing and overflow functions - Google Patents
Combination valve with speed governing, reversing and overflow functions Download PDFInfo
- Publication number
- CN106382269A CN106382269A CN201610842471.6A CN201610842471A CN106382269A CN 106382269 A CN106382269 A CN 106382269A CN 201610842471 A CN201610842471 A CN 201610842471A CN 106382269 A CN106382269 A CN 106382269A
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- choke
- relief
- relief valve
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a combination valve with the speed governing, reversing and overflow functions, and relates to the technical field of combination valves. The combination valve with the speed governing, reversing and overflow functions comprises a pressure reducing valve, a throttle valve, a safety valve, a manual reversing valve and a main valve body, wherein hydraulic oil enters the pressure reducing valve through an oil inlet in the main valve body, a speed governing valve with the throttle governing function is formed by the pressure reducing valve and the throttle valve, the oil outlet of the throttle valve is connected with the oil inlet of the manual reversing valve, and the manual reversing valve is connected with an outside executive component. When the pressure of the executive component is overhigh, the safety valve is opened to unload, and the direction of oil inlet and outlet of the executive component can be changed by changing the oil feed position of the manual reversing valve; because the structure of the main valve body is designed, and the pressure reducing valve, the throttle valve and the safety valve are each of a valve element and valve sleeve type structure, manufacturing and installation are convenient; and the special structural design that a sliding rod, a throttle valve end cover and an adjusting handle are arranged from inside to outside is adopted, oil is prevented from leaking, and therefore, the combination valve with the speed governing, reversing and overflow functions has the advantages of being capable of preventing leakage, simple in oil-way structure, compact in structure, safe, reliable, convenient to manufacture and the like.
Description
Technical field
The present invention relates to combination valve technical field is and in particular to a kind of combination valve with speed governing, commutation, relief function.
Background technology
Hydraulic valve, as the control element in hydraulic system, has the function controlling liquid flow path direction, pressure and flow, extensively
It is applied in the various engineering field such as machine tool industry, metallurgical industry, engineering machinery.
Certain hydraulic system needs to realize speed governing, commutation, relief function, can be being connected in a certain way with hydraulic oil pipe
Connect air relief valve, above-mentioned functions realized by choke valve, relief valve, reversal valve.But for small-sized machine system, leave the sky of hydraulic system for
Between very little, air relief valve is connected in a certain way using oil pipe, choke valve, relief valve, reversal valve are realized the scheme of function and taken
Space is big, inapplicable to some small-sized machine systems.
In consideration of it, connecting without oil pipe, air relief valve, choke valve, relief valve, reversal valve are merged in structure,
Form a combination valve with speed governing, commutation, relief function, this kind of combination valve has the advantages that compact conformation, small volume, fit
Its hydraulic system of small-sized machine system is answered to take up room little requirement.
By patent retrieval, there is following known technical scheme：
Patent 1：
Application number：CN200910222569.1, the applying date：2009.11.20, authorized announcement date：2010.06.09, this
Bright belong to technical field of hydraulic elements, be related to a kind of combined valve device, specifically a kind of collection hydraulic control one-way valve, one-way throttle
Valve, three kinds of functions of overflow valve are in the combination valve of one.Described combination valve includes valve body, in valve body interior be provided with the first nonreturn valve core,
The control parts such as the second nonreturn valve core, throttling plug, hydraulic control valve element and overflow assemblies, are reached by being applied in combination of each control parts
To actual requirement.Present configuration is ingenious, compact and reasonable, and no internal connection does not just have leakage point yet, connection letter simultaneously
Single, can easily dismantle rapidly maintenance, improve production efficiency；Rigidity and intensity are high, can bear the hyperpressure of 70MPa, safety
Reliable, applied widely；Integrate hydraulic control one-way valve, one-way throttle valve, three kinds of functions of overflow valve, can effectively save sky
Between, cost-effective.
Patent 2：
Application number：CN201510262080.2, the applying date：2015.05.20, authorized announcement date：
2015.08.05, the invention belongs to flow rate of hydraulic system control field and in particular to one kind to have stability of flow continuous
The hydraulic flow adjusting adjusts control combination valve.It is mainly made up of flow control valve and electro-hydraulic servo control cylinder, described flow
Regulating valve is made up of the control valve for small flows (A) being contained on body shell (C) and large flux control valve (B), and respectively by rill
Amount electro-hydraulic servo control cylinder (2) and big flow electro-hydraulic servo control cylinder (1) regulation and control, two flow control valve structure similar parallel connection cloth
Put on body shell (C).This flow-control combination valve can carry out to low discharge and tiny flow quantity and stablize output.By two groups
The flow control valve (one is big flow flow speed control valve, and one is low discharge flow speed control valve) with servo regulatory function is in parallel, by adjusting
Servo control mechanism realizes Flow-rate adjustment come the size to change the effective orifice size of restriction in regulating valve, simultaneously because regulating valve is had
Some stability of flow functions, carry out stable while realizing Flow-rate adjustment to output flow.
Patent 3：
Application number：CN201120048565.9, the applying date：2011.02.25, authorized announcement date：2011.09.07, a kind of
New combination valve, it is related to hydraulic component technical field.Fuel feed hole is offered, fuel feed hole top is arranged on the left of its valve body
There is spill port, on the left of valve body, upper end is provided with the oil return being communicated with spill port and props up hole, oil-feed in the hole has first hole and second
Zhi Kong, first hole and oil return are propped up hole bottom and are communicated, second hole successively with fluid-control one-way valve opening, connecting hole, speed governing installing hole
Communicate, and second hole left end is shut by the second plug screw, fluid-control one-way valve opening top and oil return are propped up bottom hole portion and communicated, fluid-control one-way
Valve opening is arranged on the left of valve body lower end, and connecting hole is arranged in the middle part of valve body lower end, and the middle part that speed governing installing hole is arranged on valve body is right
Side.It overcomes deficiency of the prior art, and clever structure is reasonable, compact, maintaining convenience, its collection hydraulic control one-way valve,
One-way throttle valve and three kinds of functions of overflow valve are integrated, so as to effectively save space, cost-effective.
Found by above retrieval, above technical scheme does not affect the novelty of the present invention；And above patent literary composition
Part be mutually combined the creativeness not destroying the present invention.
Content of the invention
(1) technical problem solving
The technical problem to be solved there is provided a kind of combination valve with speed governing, commutation, relief function, with
Overcome the space very little leaving hydraulic system in small-sized machine for, air relief valve, choke valve, peace are connected in a certain way using oil pipe
The scheme that function realized by full valve, reversal valve takes up room greatly, inapplicable problem to some small-sized machine systems.
(2) technical scheme
For realizing object above, the present invention is achieved by the following technical programs：One kind has speed governing, commutation, overflow
The combination valve of function, including air relief valve, choke valve, relief valve, manual type reversal valve and main valve body, described main valve body is tied for body
Structure, which is provided with oil-in and oil-out；
Described air relief valve includes nut, stud, air relief valve valve pocket, decompression valve core, pressure-relief valve spring and air relief valve end cap,
Described air relief valve valve pocket is sheath structure, which is provided with air relief valve oil-in and air relief valve oil-out, described air relief valve valve pocket and
Air relief valve end cap is connected and is connected with decompression valve core in the inner chamber of main valve body, described air relief valve valve pocket；Described subtract
Pressure valve valve element one end is fixedly connected with stud, and the other end is fixedly connected with pressure-relief valve spring, described pressure-relief valve spring and air relief valve
End cap is connected, and on described stud, secure fit is connected with nut；
Described choke valve includes regulation handle, choke valve end cap, slide bar, throttle valve core, choke valve valve pocket and choke valve
Spring, described choke valve valve pocket is sheath structure, which is provided with choke valve oil-in and choke valve oil-out, described choke valve valve
Set is connected and is connected with throttle valve core in main valve intracoelomic cavity, described choke valve valve pocket, described throttle valve core one
End is fixedly connected with slide bar, and the other end is fixedly connected with throttle valve spring, and described slide bar and choke valve end cap are connected, outside it
End is fixedly connected with regulation handle；
Described relief valve includes safety-valve sleeve, safe valve core, safety valve spring and adjusting rod, described safety-valve sleeve
For sheath structure, it is internally provided with relief valve screwed hole, which is provided with relief valve oil-in and relief valve oil-out, described safety
Valve screw thread in the hole is connected with adjusting rod by screw thread, and described adjusting rod is fixedly connected with one end of safety valve spring, described
The other end of safety valve spring is fixedly connected with safe valve core；
Described manual type reversal valve includes handle, screw, change-over valve core, commutation valve spring and change valve, described
Change valve is hollow cavity structure, is connected in main valve body outer end, described change valve inner chamber is connected with and changes
To valve core, described change-over valve core is 3-position 4-way formula structure, and it is located at one end in change valve and is connected with reversal valve bullet
Spring, the other end is rotated with handle and is connected, and described handle is rotationally connected with change valve by screw, described change valve
Lower end is communicated with the reversal valve oil-out of hydraulic actuator；
The oil-in of described main valve body is communicated with air relief valve oil-in, the oil circuit by main valve body for the described air relief valve oil-out
It is communicated with choke valve oil-in, described choke valve oil-out is communicated with reversal valve oil-in and relief valve oil-in, described commutation
Valve oil-out is communicated with hydraulic actuator.
Further, described choke valve valve pocket one end is fixedly connected by choke valve end cap, and the other end passes through in main valve body
Chamber ledge structure is fixedly connected.
Further, described safety-valve sleeve interference fit is connected to choke valve endoporus.
Further, described regulation handle is connected by external screw thread with choke valve end cap, described choke valve end cap and slide bar
Sliding connection.
Further, described slide bar and throttle valve core have groove, in described groove, be provided with sealing ring, and by close
Seal is tightly connected with choke valve end cap and choke valve valve pocket respectively.
Further, described main valve body is provided with shoulder hole, and described ladder in the hole is provided with sealing ring, and described main valve body passes through
Shoulder hole and sealing ring are tightly connected with air relief valve and choke valve；Described main valve body and the relief valve place of being connected are provided with groove,
It is provided with sealing ring, described main valve body is tightly connected with relief valve by groove and sealing ring in described groove.
Further, the shape and size of described main valve intracoelomic cavity and air relief valve, choke valve, relief valve and hand-operated direction valve
External shape and size be adapted.
(3) beneficial effect
The invention provides a kind of combination valve with speed governing, commutation, relief function, by air relief valve, choke valve, relief valve
And manual type reversal valve combines together, air relief valve, choke valve and relief valve, all using valve element, valve bush type structure, are easy to make
Make installation, slide bar, choke valve end cap, regulation handle, using special construction design from inside to outside, prevent fluid from revealing, have anti-
Reveal, oil circuit is simple, compact conformation, safe and reliable and easily manufactured the advantages of.
Brief description
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the configuration schematic diagram of the present invention；
Fig. 3 is the cross-sectional view of the present invention；
Fig. 4 is the cross-sectional view of main valve body of the present invention；
Fig. 5 is the partial enlarged drawing of choke valve of the present invention.
In figure：
1st, air relief valve, 1-1, nut, 1-2, stud, 1-3, air relief valve valve pocket, 1-4, decompression valve core, 1-5, air relief valve bullet
Spring, 1-6, air relief valve end cap；2nd, choke valve, 2-1, regulation handle, 2-2 choke valve end cap, 2-3, slide bar, 2-4, choke valve valve
Core, 2-5, choke valve valve pocket, 2-6, throttle valve spring；3rd, relief valve, 3-1, safety-valve sleeve, 3-2, safe valve core, 3-3,
Safety valve spring, 3-4, adjusting rod；4th, manual type reversal valve, 4-1, handle, 4-2, screw, 4-3, change-over valve core, 4-4, change
To valve spring, 4-5, change valve；5th, main valve body.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment being obtained under the premise of creative work, broadly falls into the scope of protection of the invention.
In conjunction with shown in Fig. 1～5, its structural relation is：Including air relief valve 1, choke valve 2, relief valve 3, manual type reversal valve 4
With main valve body 5, main valve body 5 is sheath structure, which is provided with oil-in and oil-out；
Air relief valve 1 includes nut 1-1, stud 1-2, air relief valve valve pocket 1-3, decompression valve core 1-4, pressure-relief valve spring 1-5
With air relief valve end cap 1-6, air relief valve valve pocket 1-3 is sheath structure, which is provided with air relief valve oil-in and air relief valve oil-out, subtracts
Pressure valve valve pocket 1-3 and air relief valve end cap 1-6 is connected to be connected with the inner chamber of main valve body 5, air relief valve valve pocket 1-3 and subtracts
Pressure valve valve element 1-4；Decompression valve core 1-4 one end is fixedly connected with stud 1-2, and the other end is fixedly connected with pressure-relief valve spring 1-5,
Pressure-relief valve spring 1-5 is connected with air relief valve end cap 1-6, and on stud 1-2, secure fit is connected with nut 1-1；
Choke valve 2 includes regulation handle 2-1, choke valve end cap 2-2, slide bar 2-3, throttle valve core 2-4, choke valve valve pocket
2-5 and throttle valve spring 2-6, choke valve valve pocket 2-5 are sheath structure, which is provided with choke valve oil-in and choke valve is fuel-displaced
Mouthful, choke valve valve pocket 2-5 is connected and is connected with throttle valve core 2-4 in main valve body 5 inner chamber, choke valve valve pocket 2-5,
Throttle valve core 2-4 one end is fixedly connected with slide bar 2-3, and the other end is fixedly connected with throttle valve spring 2-6, slide bar 2-3 and section
Stream valve end cap 2-2 is connected, and its outer end is fixedly connected with regulation handle 2-1；
Relief valve 3 includes safety-valve sleeve 3-1, safe valve core 3-2, safety valve spring 3-3 and adjusting rod 3-4, safety
Valve valve pocket 3-1 is sheath structure, is internally provided with relief valve screwed hole, which is provided with relief valve oil-in and relief valve is fuel-displaced
Mouthful, relief valve screw thread in the hole is connected with adjusting rod 3-4 by screw thread, and adjusting rod 3-4 is fixedly connected with safety valve spring 3-3
One end, the other end of safety valve spring 3-3 is fixedly connected with safe valve core 3-2；
Manual type reversal valve 4 includes handle 4-1, screw 4-2, change-over valve core 4-3, commutation valve spring 4-4 and reversal valve
Valve body 4-5, change valve 4-5 are hollow cavity structure, are connected in main valve body 5 outer end, change valve 4-5 inner chamber is joined
Conjunction is connected with change-over valve core 4-3, and change-over valve core 4-3 is 3-position 4-way formula structure, and it is located at one end in change valve 4-5
It is connected with commutation valve spring 4-4, the other end is rotated with handle 4-1 and is connected, and handle 4-1 is rotationally connected with commutation by screw 4-2
On valve body 4-5, change valve 4-5 lower end is communicated with the reversal valve oil-out of hydraulic actuator；
The oil-in of main valve body 5 is communicated with air relief valve oil-in, and air relief valve oil-out is had by the oil communication of main valve body 5
Choke valve oil-in, choke valve oil-out is communicated with reversal valve oil-in and relief valve oil-in, and reversal valve oil-out is communicated with
Hydraulic actuator；
Adopt valve element, valve bush type structure between air relief valve 1, choke valve 2, relief valve 3 and main valve body 5, there is compact conformation,
The advantages of take up room little.
Preferably, choke valve valve pocket 2-5 one end is fixedly connected by choke valve end cap 2-2, and the other end passes through in main valve body 5
Chamber ledge structure is fixedly connected.
Preferably, safety-valve sleeve 3-1 interference fit is connected to choke valve endoporus.
Preferably, regulation handle 2-1 is connected by external screw thread with choke valve end cap 2-2, choke valve end cap 2-2 and slide bar 2-
Have groove on 3 sliding connections, slide bar 2-3 and throttle valve core 2-4, in groove, be provided with sealing ring, and pass through sealing ring
It is tightly connected with choke valve end cap 2-2 and choke valve valve pocket 2-5 respectively；Slide bar 2-3, choke valve end cap 2-2, regulation handle 2-1
Special construction design from inside to outside, is effectively reduced fluid and reveals.
Preferably, main valve body 5 is provided with shoulder hole, and ladder in the hole is provided with sealing ring, and main valve body 5 passes through shoulder hole and sealing
Circle is tightly connected with air relief valve 1 and choke valve 2；Main valve body 5 and relief valve 3 place of being connected are provided with groove, are provided with close in groove
Seal, main valve body 5 passes through groove and sealing ring is tightly connected with relief valve 3.
Preferably, the shape and size of main valve body 5 inner chamber and air relief valve 1, choke valve 2, relief valve 3 and hand-operated direction valve 4
External shape and size be adapted.
When specifically used, the oil-in that hydraulic oil passes through on main valve body 5 enters inside air relief valve 1, air relief valve 1 and choke valve
2 compositions have the flow speed control valve of throttle grverning function, and choke valve 2 oil-out connects the oil-in of manual type reversal valve 4, and manual type changes
Connect extraneous executive component to valve 4, when executive component pressure is excessive, exceed relief valve 3 safe threshold when, safe valve core 3-
2 open, and the oil-out that hydraulic oil passes through on safety-valve sleeve 3-1 flows out, and realizes the off-load of hydraulic oil.Meanwhile, change valve
The lower end of 4-5 is communicated with the oil inlet and outlet of hydraulic actuator, by changing the position of handle 4-1, adjustment manual type commutation
The logical oil level of valve 4 is put, it is possible to achieve executive component enters the change in fuel-displaced direction.
By rotating regulation handle 2-1, slide bar 2-3 is promoted to move left and right, slide bar 2-3 acts on throttle valve core 2-4, enters
And adjust the cross-sectional flow area of throttle valve core 2-4, realize the change of Extraction rate size.When choke valve oil-out pressure change
When, decompression valve core 1-4 automatically adjusts, and reaches new balance, make to throttle by choke valve in the presence of hydraulic coupling and spring force
The flow of mouth will not change because of the change of load, and then reaches the purpose of voltage stabilizing.Air relief valve 1 and choke valve 2 cooperation have steady
Pressure speed governing effect.
To sum up, the embodiment of the present invention has the advantages that：Air relief valve, choke valve, relief valve and manual type are changed
Combine together to valve, air relief valve, choke valve and relief valve, all using valve element, valve bush type structure, are easy to manufacture and are installed, slide bar,
Choke valve end cap, regulation handle, using special construction design from inside to outside, prevent fluid from revealing, have leakage-preventing, oil circuit simple
List, compact conformation, safe and reliable and easily manufactured the advantages of.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics；And these modification or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a kind of have speed governing, commutation, relief function combination valve it is characterised in that：Including air relief valve (1), choke valve (2),
Relief valve (3), manual type reversal valve (4) and main valve body (5), described main valve body (5) be sheath structure, which is provided with oil-in and
Oil-out；
Described air relief valve (1) includes nut (1-1), stud (1-2), air relief valve valve pocket (1-3), decompression valve core (1-4), decompression
Valve spring (1-5) and air relief valve end cap (1-6), described air relief valve valve pocket (1-3) is sheath structure, which is provided with air relief valve oil-feed
Mouth and air relief valve oil-out, described air relief valve valve pocket (1-3) and air relief valve end cap (1-6) are connected interior in main valve body (5)
Chamber, is connected with decompression valve core (1-4) in described air relief valve valve pocket (1-3)；Described decompression valve core (1-4) one end is fixed
It is connected with stud (1-2), the other end is fixedly connected with pressure-relief valve spring (1-5), described pressure-relief valve spring (1-5) and air relief valve end
Lid (1-6) is connected, and the upper secure fit of described stud (1-2) is connected with nut (1-1)；
Described choke valve (2) include regulation handle (2-1), choke valve end cap (2-2), slide bar (2-3), throttle valve core (2-4),
Choke valve valve pocket (2-5) and throttle valve spring (2-6), described choke valve valve pocket (2-5) is sheath structure, which is provided with choke valve
Oil-in and choke valve oil-out, described choke valve valve pocket (2-5) is connected in main valve body (5) inner chamber, described choke valve valve
It is connected with throttle valve core (2-4), described throttle valve core (2-4) one end is fixedly connected with slide bar (2- in set (2-5)
3), the other end is fixedly connected with throttle valve spring (2-6), and described slide bar (2-3) and choke valve end cap (2-2) are connected, its
Outer end is fixedly connected with regulation handle (2-1)；
Described relief valve (3) includes safety-valve sleeve (3-1), safe valve core (3-2), safety valve spring (3-3) and adjusting rod
(3-4), described safety-valve sleeve (3-1) is sheath structure, is internally provided with relief valve screwed hole, which is provided with relief valve oil-feed
Mouth and relief valve oil-out, described relief valve screw thread in the hole is connected with adjusting rod (3-4), described adjusting rod by screw thread
(3-4) it is fixedly connected with one end of safety valve spring (3-3), the other end of described safety valve spring (3-3) is fixedly connected with peace
Full valve valve element (3-2)；
Described manual type reversal valve (4) includes handle (4-1), screw (4-2), change-over valve core (4-3), commutation valve spring (4-
4) and change valve (4-5), described change valve (4-5) is hollow cavity structure, is connected in main valve body (5) outward
End, described change valve (4-5) inner chamber is connected with change-over valve core (4-3), and described change-over valve core (4-3) is three
Tubing type structure, it is connected with commutation valve spring (4-4), the other end and handle (4-1) positioned at the interior one end of change valve (4-5)
Rotate and connect, described handle (4-1) is rotationally connected with change valve (4-5) by screw (4-2), described change valve
(4-5) lower end is communicated with the reversal valve oil-out of hydraulic actuator；
The oil-in of described main valve body (5) is communicated with air relief valve oil-in, and described air relief valve oil-out passes through the oil of main valve body (5)
Road is communicated with choke valve oil-in, and described choke valve oil-out is communicated with reversal valve oil-in and relief valve oil-in, described changes
It is communicated with hydraulic actuator to valve oil-out.
2. according to claim 1 a kind of have speed governing, commutation, relief function combination valve it is characterised in that：Described section
Stream valve valve pocket (2-5) one end is fixedly connected by choke valve end cap (2-2), and the other end passes through main valve body (5) inner chamber ledge structure
It is fixedly connected.
3. according to claim 1 a kind of have speed governing, commutation, relief function combination valve it is characterised in that：Described peace
Full valve valve pocket (3-1) interference fit is connected to choke valve endoporus.
4. according to claim 1 a kind of have speed governing, commutation, relief function combination valve it is characterised in that：Described tune
Section handle (2-1) is connected by external screw thread with choke valve end cap (2-2), and described choke valve end cap (2-2) is slided with slide bar (2-3)
It is connected.
5. according to claim 1 a kind of have speed governing, commutation, relief function combination valve it is characterised in that：Described cunning
Have groove on bar (2-3) and throttle valve core (2-4), in described groove, be provided with sealing ring, and by sealing ring respectively with section
Stream valve end cap (2-2) and choke valve valve pocket (2-5) are tightly connected.
6. according to claim 1 a kind of have speed governing, commutation, relief function combination valve it is characterised in that：Described master
Valve body (5) is provided with shoulder hole, and described ladder in the hole is provided with sealing ring, described main valve body (5) pass through shoulder hole and sealing ring with
Air relief valve (1) and choke valve (2) are tightly connected；Described main valve body (5) and relief valve (3) place of being connected are provided with groove, described
It is provided with sealing ring, described main valve body (5) passes through groove and sealing ring is tightly connected with relief valve (3) in groove.
7. according to claim 1 a kind of have speed governing, commutation, relief function combination valve it is characterised in that：Described master
The shape and size of valve body (5) inner chamber and air relief valve (1), the outside shape of choke valve (2), relief valve (3) and hand-operated direction valve (4)
Shape and size are adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842471.6A CN106382269B (en) | 2016-09-22 | 2016-09-22 | It is a kind of that there is speed governing, commutation, the combination valve of relief function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842471.6A CN106382269B (en) | 2016-09-22 | 2016-09-22 | It is a kind of that there is speed governing, commutation, the combination valve of relief function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382269A true CN106382269A (en) | 2017-02-08 |
| CN106382269B CN106382269B (en) | 2017-10-20 |
Family
ID=57936780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610842471.6A Active CN106382269B (en) | 2016-09-22 | 2016-09-22 | It is a kind of that there is speed governing, commutation, the combination valve of relief function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382269B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194440A (en) * | 2017-11-14 | 2018-06-22 | 武汉船用机械有限责任公司 | A kind of Hydraulic Adjustable Speed valve and hydraulic system |
| CN111255761A (en) * | 2020-01-19 | 2020-06-09 | 宁波江北宇洲液压设备厂 | Hydraulic control reversing pressure reducing valve |
| WO2022143937A1 (en) * | 2020-12-31 | 2022-07-07 | 深圳市恒致云科技有限公司 | Constant-flow throttling and unloading multi-purpose valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53125563A (en) * | 1977-04-08 | 1978-11-01 | Kayaba Ind Co Ltd | Compound valve |
| JPS54115421A (en) * | 1978-02-28 | 1979-09-08 | Daikin Ind Ltd | Stack type compound valve |
| CN2052837U (en) * | 1989-06-10 | 1990-02-14 | 付如松 | Hydraulic valve |
| CN201096115Y (en) * | 2008-01-03 | 2008-08-06 | 常州乙顿液压气动机械制造有限公司 | Hydraulic combined valve |
| US20080303341A1 (en) * | 2007-06-11 | 2008-12-11 | Bendix Commercial Vehicle Systems Llc | Trailer spring brake valve |
| CN101900144A (en) * | 2010-07-22 | 2010-12-01 | 泸州众大科技液压件有限公司 | Small-sized drill pile-up valve |
| CN201963628U (en) * | 2011-02-25 | 2011-09-07 | 上海液力液压机电制造有限公司 | Novel combination valve |
| CN105526202A (en) * | 2015-12-04 | 2016-04-27 | 安徽理工大学 | Overflow valve with pressure regulating and safety functions |
| CN205478626U (en) * | 2016-03-25 | 2016-08-17 | 安徽理工大学 | Novel combined valve |
-
2016
- 2016-09-22 CN CN201610842471.6A patent/CN106382269B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53125563A (en) * | 1977-04-08 | 1978-11-01 | Kayaba Ind Co Ltd | Compound valve |
| JPS54115421A (en) * | 1978-02-28 | 1979-09-08 | Daikin Ind Ltd | Stack type compound valve |
| CN2052837U (en) * | 1989-06-10 | 1990-02-14 | 付如松 | Hydraulic valve |
| US20080303341A1 (en) * | 2007-06-11 | 2008-12-11 | Bendix Commercial Vehicle Systems Llc | Trailer spring brake valve |
| CN201096115Y (en) * | 2008-01-03 | 2008-08-06 | 常州乙顿液压气动机械制造有限公司 | Hydraulic combined valve |
| CN101900144A (en) * | 2010-07-22 | 2010-12-01 | 泸州众大科技液压件有限公司 | Small-sized drill pile-up valve |
| CN201963628U (en) * | 2011-02-25 | 2011-09-07 | 上海液力液压机电制造有限公司 | Novel combination valve |
| CN105526202A (en) * | 2015-12-04 | 2016-04-27 | 安徽理工大学 | Overflow valve with pressure regulating and safety functions |
| CN205478626U (en) * | 2016-03-25 | 2016-08-17 | 安徽理工大学 | Novel combined valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194440A (en) * | 2017-11-14 | 2018-06-22 | 武汉船用机械有限责任公司 | A kind of Hydraulic Adjustable Speed valve and hydraulic system |
| CN108194440B (en) * | 2017-11-14 | 2020-03-31 | 武汉船用机械有限责任公司 | Hydraulic speed regulating valve and hydraulic system |
| CN111255761A (en) * | 2020-01-19 | 2020-06-09 | 宁波江北宇洲液压设备厂 | Hydraulic control reversing pressure reducing valve |
| WO2022143937A1 (en) * | 2020-12-31 | 2022-07-07 | 深圳市恒致云科技有限公司 | Constant-flow throttling and unloading multi-purpose valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106382269B (en) | 2017-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105134681B (en) | A kind of one-way buffer overflow valve and closed type hydraulic pump | |
| CN208185101U (en) | A kind of big flow single channel double overflow three-way pressure compensating device | |
| CN106382269A (en) | Combination valve with speed governing, reversing and overflow functions | |
| CN114321071B (en) | Adjustable load pressure compensation balance valve end cover and balance valve | |
| CN201306458Y (en) | Flow control valve and hydraulic control system | |
| CN102996556A (en) | Direct-acting type hydraulic threaded cartridge balanced valve | |
| CN109695755A (en) | Bivalve shape of the mouth as one speaks big flow three-way pressure compensating valve | |
| CN205047561U (en) | One -way buffering overflow valve and closed hydraulic pump | |
| CN104481948A (en) | Stabilized pressure flow control valve and load sensitive analog valve | |
| CN205064924U (en) | Control valve, multiple unit valve and fork truck | |
| CN207093482U (en) | Ioad-sensing control valve and load sensitive control system | |
| CN105422538B (en) | The multi-passage current sharing valve of pressure adaptive | |
| CN203009583U (en) | Precise hydrostatic bearing lubricating oil fine tuning throttle structure | |
| CN104963905B (en) | Two-stage overflow unloading valve | |
| CN104595268A (en) | Pilot type integrated hydraulic governor control valve | |
| CN103867511B (en) | Flow control valve | |
| CN108087366B (en) | A kind of flow divider valve for single-pump system | |
| CN104343755A (en) | Hydraulically controlled slave valve and load-sensitive simulation valve | |
| CN103277548B (en) | A kind of common rail pipe protection valve | |
| CN205349901U (en) | Back pressure valve | |
| CN202510814U (en) | Stacked proportional electromagnetic flow valve | |
| CN204704184U (en) | Relief valve | |
| CN104776077B (en) | Load-sensitive multiway valve with micromotion valve element | |
| CN205136171U (en) | Hydraulic pressure pressure regulating device | |
| CN203614485U (en) | Overflow valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |