CN109442061A - Three seven port valves and stamping equipment - Google Patents

Three seven port valves and stamping equipment Download PDF

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Publication number
CN109442061A
CN109442061A CN201811617004.9A CN201811617004A CN109442061A CN 109442061 A CN109442061 A CN 109442061A CN 201811617004 A CN201811617004 A CN 201811617004A CN 109442061 A CN109442061 A CN 109442061A
Authority
CN
China
Prior art keywords
valve
oil
accommodating chamber
valve rod
port valves
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.)
Pending
Application number
CN201811617004.9A
Other languages
Chinese (zh)
Inventor
闫晨阳
李树宝
闫志伟
王林伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Double Ring Heavy Industry Group Co Ltd
Original Assignee
Shanxi Double Ring Heavy Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanxi Double Ring Heavy Industry Group Co Ltd filed Critical Shanxi Double Ring Heavy Industry Group Co Ltd
Priority to CN201811617004.9A priority Critical patent/CN109442061A/en
Publication of CN109442061A publication Critical patent/CN109442061A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/04Construction of housing; Use of materials therefor of sliding valves
    • F16K27/041Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/08Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30Details

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

The present invention provides a kind of three seven port valves and stamping equipments, it is related to stamping device technical field, three seven port valves provided by the invention include: valve body, valve rod and sealing element, valve body is equipped with the accommodating chamber for accommodating valve rod, the side wall of valve body is equipped with seven oil-through-holes, seven oil-through-holes are connected to accommodating chamber, and sealing element is set to the open end of accommodating chamber;Valve rod is slidably matched with sealing element, one end of valve rod is located in accommodating chamber, the other end is located at outside accommodating chamber, the periphery wall of valve rod being located in accommodating chamber is set there are five axis rank, five axis ranks are spaced apart along the length direction of valve rod, intracavitary locations are being accommodated by regulating valve stem, adjust adjacent oil-through-hole connection or are being disconnected.Three seven port valves provided by the invention alleviate the technical issues of crucial valve member restricts the oil-to-oil electro-hydraulic hammer development for being suitble to free forging process in the related technology.

Description

Three seven port valves and stamping equipment
Technical field
The present invention relates to stamping device technical fields, more particularly, to a kind of three seven port valves and stamping equipment.
Background technique
Single arm or large inertia hydraulic device currently on the market generallys use liquid-gas type principle to produce open die forgings, and With the application of this kind of liquid pneumatic hammer, it is all that people gradually have found that the product has that liquid gas is mutually altered, maintenance capacity is big and hitting power is insufficient etc. More disadvantages.By investigating demonstration in many ways, exploitation oil-to-oil electro-hydraulic hammer, large inertia quick acting equipment are imperative, and restrict suitable Close the oil-to-oil electro-hydraulic hammer development factors of free forging process, in that the exploitation of several key valve members.Related valve member requires as follows:
1. tup inertia is larger since free forging process requires necessary manual operation, the speed of service requires comparatively fast, to reach 7-8 meter per second.
2. slow rise is required to drop slowly, rise fastly fastly drop, freely hover this few conversions that move freely, freedom and flexibility.
Summary of the invention
First aspect present invention provides a kind of three seven port valves, is suitble to freely with alleviating crucial valve member restriction in the related technology The technical issues of oil-to-oil electro-hydraulic hammer development of forging process.
Three seven port valves provided by the invention include: valve body, valve rod and sealing element, and the valve body is equipped with described for accommodating The side wall of the accommodating chamber of valve rod, the valve body is equipped with seven oil-through-holes, and seven oil-through-holes are connected to the accommodating chamber, institute State the open end that sealing element is set to the accommodating chamber;
The valve rod is slidably matched with the sealing element, and one end of the valve rod is located in the accommodating chamber, other end position In outside the accommodating chamber, the periphery wall of the valve rod being located in the accommodating chamber sets that there are five axis rank, five axis rank edges The length direction of the valve rod is spaced apart, and by adjusting the valve rod in the receiving intracavitary locations, is adjusted adjacent described logical Oilhole connection disconnects.
Further, the valve body includes valve seat and valve pocket, and the valve pocket is embedded in the valve seat, and the accommodating chamber is set In the valve pocket;
The valve seat is equipped with seven valve seat oil-through-holes, and the valve pocket is equipped with seven valve pocket oil-through-holes, and seven valve seats are logical Oilhole is connected to correspondingly with seven oil-through-holes.
Further, the valve body is equipped with the mounting hole for installing the valve pocket, the valve pocket and the mounting hole mistake It is full of cooperation.
Further, the valve pocket is made of HT800.
Further, the sealing element includes sealing framework and first end cover, and the sealing framework is installed on described first The side opposite with the valve body of end cap, the first end cover are installed on the first end of the accommodating chamber, and the valve rod passes through The sealing framework and the first end cover.
Further, the end face opposite with the valve body of the end cap is equipped with mounting groove, and the sealing framework is installed on In the mounting groove.
Further, the second end of the accommodating chamber is fixedly installed with second end cover, and the second end cover is for sealing institute State mounting hole and the accommodating chamber.
Further, the sealing framework is made of elastic material.
Further, the valve rod is made of 20CrMoTi.
Second aspect of the present invention provides a kind of stamping equipment, restricts suitable open die forging to alleviate crucial valve member in the related technology The technical issues of oil-to-oil electro-hydraulic hammer development of technique.
Stamping equipment provided by the invention includes three above-mentioned seven port valves.
Three seven port valves provided by the invention and stamping equipment, three seven port valves include: valve body, valve rod and sealing element, valve Body is equipped with the accommodating chamber for accommodating valve rod, and the side wall of valve body is equipped with seven oil-through-holes, and seven oil-through-holes are connected to accommodating chamber, Sealing element is set to the open end of accommodating chamber;Valve rod is slidably matched with sealing element, and one end of valve rod is located in accommodating chamber, other end position In outside accommodating chamber, the periphery wall of valve rod being located in accommodating chamber sets that there are five axis ranks, and five axis ranks are between the length direction of valve rod Every distribution, intracavitary locations are being accommodated by regulating valve stem, adjust adjacent oil-through-hole connection or are being disconnected.By three provided by the invention Seven port valves are installed in the hydraulic system of pressurising equipment, and the different oil circuits of hydraulic system are connected to from different oil-through-holes, pass through tune The extension elongation of section valve rod comes position of the adjustment axis rank with respect to oil-through-hole, to adjust company's on-off between adjacent oil-through-hole It opens.Compared with the relevant technologies, three seven port valves provided by the invention realize the execution valve member for facilitating control to communicate therewith, Jin Ershi Now execute the interlocking and necessary logical relation between valve member.
Detailed description of the invention
Technical solution in order to illustrate more clearly of the specific embodiment of the invention or in the related technology, below will be to specific Attached drawing needed in embodiment or description of Related Art is briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross-sectional view one of three seven port valves provided in an embodiment of the present invention;
Fig. 2 is the cross-sectional view two of three seven port valves provided in an embodiment of the present invention;
Fig. 3 is the cross-sectional view three of three seven port valves provided in an embodiment of the present invention;
Fig. 4 is the cross-sectional view four of three seven port valves provided in an embodiment of the present invention.
Icon: the first oil-through-hole of 101-;The second oil-through-hole of 102-;103- third oil-through-hole;The 4th oil-through-hole of 104-; The 5th oil-through-hole of 105-;The 6th oil-through-hole of 106-;The 7th oil-through-hole of 107-;110- valve seat;120- valve pocket;200- valve Bar;300- sealing element;310- sealing framework;320- first end cover;330- second end cover.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
As shown in Figures 1 to 4, three seven port valves provided in an embodiment of the present invention include: valve body, valve rod 200 and sealing element 300, valve body is equipped with accommodating chamber for accommodating valve rod 200, and the side wall of valve body is equipped with seven oil-through-holes, seven oil-through-holes with appearance Chamber of receiving connection, sealing element 300 are set to the open end of accommodating chamber;
Valve rod 200 is slidably matched with sealing element 300, and one end of valve rod 200 is located in accommodating chamber, and the other end is located at accommodating chamber Outside, the periphery wall of valve rod 200 being located in accommodating chamber is set there are five axis rank, and five axis ranks are along the length direction interval of valve rod 200 Distribution is accommodating intracavitary locations by regulating valve stem 200, adjusts adjacent oil-through-hole connection or disconnects.
Specifically, seven oil-through-holes are respectively the first oil-through-hole 101, the second oil-through-hole 102, third oil-through-hole the 103, the 4th Oil-through-hole 104, the 5th oil-through-hole 105, the 6th oil-through-hole 106 and the 7th oil-through-hole 107.Five axis ranks be respectively first axle rank, Second axis rank, third axis rank, the 4th axis rank and the 5th axis rank, first axle rank, the second axis rank, third axis rank, the 4th axis rank and Five axis ranks set gradually from left to right, and the periphery wall of five axis ranks is contacted with the inner wall of accommodating chamber, by adjusting each axis rank Position in accommodating chamber controls the connection and disconnection of adjacent oil-through-hole.
As shown in Figure 1, the second oil-through-hole 102 is connected to third oil-through-hole 103, four-way when valve rod 200 is located at left position Oilhole 104 is connected to the 5th oil-through-hole 105.As shown in Fig. 2, third oil-through-hole 103 divides when valve rod 200 is located at left-hand transition position It is not connected to the second oil-through-hole 102 and the 4th oil-through-hole 104, the 6th oil-through-hole 106 is connected to the 7th oil-through-hole 107.Such as Fig. 3 institute Show, when valve rod 200 is located at interposition, only third oil-through-hole 103 is connected to the second oil-through-hole 102 and the 4th oil-through-hole 104 respectively. As shown in figure 4, the first oil-through-hole 101 is connected to the second oil-through-hole 102 when valve rod 200 is located at right position, third oil-through-hole 103 with The connection of 4th oil-through-hole 104.
Further, valve body includes valve seat 110 and valve pocket 120, and valve pocket 120 is embedded in valve seat 110, and accommodating chamber is set to valve Set 120;
Valve seat 110 is equipped with seven valve seat oil-through-holes, and valve pocket 120 is equipped with seven valve pocket oil-through-holes, seven valve seat oil-through-holes with Seven oil-through-holes are connected to correspondingly.
Specifically, valve seat 110 is in cuboid, the ring-shaped section and ring-shaped of valve pocket 120, valve pocket 120 is embedded at valve seat 110 Inside, and length direction is identical as the length direction of valve seat 110.Sealing element 300 be located at one end of valve seat 110 and with valve seat 110 It is fixedly connected, to be sealed to the accommodating chamber on valve pocket 120.Length of the axis of seven valve seat oil-through-holes with valve seat 110 Direction is vertical, and the axis of seven valve pocket oil-through-holes is vertical with the axis of 120 axis of valve pocket, seven valve seat oil-through-holes and seven valve pockets Oil-through-hole is connected to correspondingly, so that accommodating chamber is connected to outside.One end of valve rod 200 is located in valve pocket 120, and the other end is worn It crosses sealing element 300 to be located at outside valve pocket 120, inner wall of the periphery wall of each axis rank with valve pocket 120 is slidably matched.Valve pocket 120 with Cancel oil sealing isolation between each axis rank, the shortcomings that avoiding rubber seal rapid wear, it is larger to reach pressure-bearing, with valve rod 200 it Between wearability it is good, to keep three seven port valves provided in an embodiment of the present invention durable.
Further, valve pocket 120 is made of HT800.
Many corrosive medium corrosion can be resistant to using valve pocket 120 made of HT800.Its higher nickel content makes it aqueous Etching condition has good stress-corrosion-cracking resistance.High chrome contents are with better resistance to spot corrosion and crevice corrosion Cracking performance.The alloy has good resistance to nitric acid, organic acid corrosivity, but the corrosion resistance in sulfuric acid and hydrochloric acid has Limit.In addition to being had good corrosion resistance in oxidisability and non-oxidizable salt other than halide is likely to occur spot corrosion.? Water, steam and steam, air, carbon dioxide mixture in also tool have good corrosion resistance.
Further, valve body is equipped with the mounting hole for installing valve pocket 120, and valve pocket 120 and mounting hole are interference fitted.
Specifically, mounting hole extends along the length direction of valve seat 110, and run through one end of valve seat 110, the logical oil of seven valve seats The side wall of the equal penetrating mounting holes in hole.The outer diameter of valve pocket 120 is slightly larger than the internal diameter of mounting hole, and valve pocket 120 and mounting hole use interference The mode of cooperation connects, and improves the stability that valve pocket 120 is connect with valve seat 110.
Further, sealing element 300 includes sealing framework 310 and first end cover 320, and sealing framework 310 is installed on first The side opposite with valve body of end cap 320, first end cover 320 are installed on the first end of accommodating chamber, and valve rod 200 passes through sealing framework 310 and first end cover 320.
Specifically, first end cover 320 includes interconnecting piece and sealing, the peripheral dimension of sealing is greater than the periphery of limiting section Size.When first end cover 320 is installed on valve seat 110, the periphery wall of limiting section is contacted with the inner wall of mounting hole, passes through clamping Mode and the inner wall of mounting hole connect, limiting section prevents first end cover 320 from moving radially relative to valve seat 110.Sealing Peripheral dimension is greater than the diameter of mounting hole, cooperates with limiting section and is sealed the end of mounting hole.
Sealing framework 310 is located in mounting hole, and is installed on the medial surface of limiting section.First end cover 320 is equipped with cooperation Through-hole cooperates the axis of through-hole to be overlapped with the axis of accommodating chamber.Valve rod 200 passes through sealing framework 310 and cooperation through-hole, seals bone The inner wall of frame 310 and the inner wall of cooperation through-hole are contacted with the periphery wall of valve rod 200.Sealing framework 310 carries out accommodating chamber close Envelope prevents the hydraulic oil in accommodating chamber from passing through cooperation through-hole exudation.
Further, sealing framework 310 is made of elastic material.
Specifically, sealing framework 310 can have rubber or silica gel material to be made.Valve rod 200 is relative to valve pocket 120 and first end Lid 320 slides, and when the axis of valve rod 200 is not overlapped with the axis of the axis of accommodating chamber or matching hole, sealing framework 310 is generated Flexible deformation appropriate, from make valve rod 200 can in its radial motion, adjust valve rod 200 axis and holding tank axis and match The registration for closing the axis of through-hole, prevents valve rod 200 to be stuck.The sealing framework 310 made of elastic material is reducing respectively While a element coaxial degree requires, the flatness that valve rod 200 moves ensure that.
Further, the end face opposite with valve body of end cap is equipped with mounting groove, and sealing framework 310 is installed in mounting groove.
Specifically, the section of mounting groove is rounded, and when sealing framework 310 is installed in holding tank, the inner circumferential of mounting groove Wall is contacted with the periphery wall of sealing framework 310, and sealing framework 310 is fixed and is limited.
Further, the second end of accommodating chamber is fixedly installed with second end cover 330, and second end cover 330 is for sealing installation Hole and accommodating chamber.
Specifically, mounting hole is through-hole, facilitate the installation of valve pocket 120, the installation of second end cover 330 is pacified by way of clamping Second end loaded on valve seat 110, is sealed mounting hole and accommodating chamber.
Further, valve rod 200 is made of 20CrMoTi.
20CrMnTi is carburizing steel, and carburizing steel is usually the mild steel that phosphorus content is 0.17%-0.24%.It is more on automobile Transmission gear is manufactured with it, is CrMnTi steel in middle harden ability carburizing steel, harden ability is higher, special when guaranteeing through hardening It is not low-temperature impact toughness with higher.20CrMnTi hardened case processing steel, has good processability, processing Deform small, anti-fatigue performance is fairly good.The process of valve rod 200 forges, is quenched, surface hardening refines.Surface segmentation is at five A axis rank.This way principle is simple, is easy to implement, and better performances.
Second aspect of the embodiment of the present invention provides a kind of stamping equipment, is suitble to alleviating crucial valve member restriction in the related technology The technical issues of oil-to-oil electro-hydraulic hammer development of free forging process.
Stamping equipment provided in an embodiment of the present invention includes three above-mentioned seven port valves.Specifically, three seven port valves installations In the hydraulic system of stamping equipment, the second oil-through-hole 102 is connected to the first control valve, and third oil-through-hole 103 and pressure port P connect Logical, the 4th oil-through-hole 104 is connected to the second control valve, and the 6th oil-through-hole 106 is connected to third control valve, the 7th oil-through-hole 107 It is connected to T mouthfuls, by position of the regulating valve stem 200 in accommodating chamber, controls the connection or disconnection of adjacent oil-through-hole.
Three seven port valves provided in an embodiment of the present invention and stamping equipment, three seven port valves include: valve body, 200 and of valve rod Sealing element 300, valve body are equipped with the accommodating chamber for accommodating valve rod 200, and the side wall of valve body is equipped with seven oil-through-holes, seven oil-through-holes It is connected to accommodating chamber, sealing element 300 is set to the open end of accommodating chamber;Valve rod 200 is slidably matched with sealing element 300, valve rod 200 One end be located in accommodating chamber, the other end is located at outside accommodating chamber, and the periphery wall of valve rod 200 being located in accommodating chamber is set there are five axis Rank, five axis ranks are spaced apart along the length direction of valve rod 200, are accommodating intracavitary locations by regulating valve stem 200, are adjusting adjacent Oil-through-hole connection disconnects.Three seven port valves provided in an embodiment of the present invention are installed in the hydraulic system of pressurising equipment, liquid The different oil circuits of pressure system are connected to from different oil-through-holes, relatively logical come adjustment axis rank by the extension elongation of regulating valve stem 200 The position of oilhole, to adjust the connection or disconnection between adjacent oil-through-hole.Compared with the relevant technologies, the embodiment of the present invention is provided Three seven port valves realize facilitate control to communicate therewith execution valve member, and then realize execute valve member between interlocking and necessity Logical relation.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of three seven port valves characterized by comprising valve body, valve rod and sealing element, the valve body are equipped with for accommodating The accommodating chamber of valve rod is stated, the side wall of the valve body is equipped with seven oil-through-holes, and seven oil-through-holes are connected to the accommodating chamber, The sealing element is set to the open end of the accommodating chamber;
The valve rod is slidably matched with the sealing element, and one end of the valve rod is located in the accommodating chamber, and the other end is located at institute It states outside accommodating chamber, the periphery wall of the valve rod being located in the accommodating chamber is set there are five axis rank, and five axis ranks are along described The length direction of valve rod is spaced apart, and by adjusting the valve rod in the receiving intracavitary locations, adjusts the adjacent oil-through-hole Connection disconnects.
2. three seven port valves according to claim 1, which is characterized in that the valve body includes valve seat and valve pocket, the valve Set is embedded in the valve seat, and the accommodating chamber is set to the valve pocket;
The valve seat is equipped with seven valve seat oil-through-holes, and the valve pocket is equipped with seven valve pocket oil-through-holes, seven valve seat oil-through-holes It is connected to correspondingly with seven oil-through-holes.
3. three seven port valves according to claim 2, which is characterized in that the valve body is equipped with for installing the valve pocket Mounting hole, the valve pocket and the mounting hole are interference fitted.
4. three seven port valves according to claim 2, which is characterized in that the valve pocket is made of HT800.
5. three seven port valves according to claim 3, which is characterized in that the sealing element includes sealing framework and first end Lid, the sealing framework are installed on the side opposite with the valve body of the first end cover, and the first end cover is installed on institute The first end of accommodating chamber is stated, the valve rod passes through the sealing framework and the first end cover.
6. three seven port valves according to claim 5, which is characterized in that the end face opposite with the valve body of the end cap Equipped with mounting groove, the sealing framework is installed in the mounting groove.
7. three seven port valves according to claim 5, which is characterized in that the second end of the accommodating chamber is fixedly installed with Two end caps, the second end cover is for sealing the mounting hole and the accommodating chamber.
8. three seven port valves according to claim 5, which is characterized in that the sealing framework is made of elastic material.
9. three seven port valves according to claim 1, which is characterized in that the valve rod is made of 20CrMoTi.
10. a kind of stamping equipment, which is characterized in that including described in any item three seven port valves of claim 1-9.
CN201811617004.9A 2018-12-27 2018-12-27 Three seven port valves and stamping equipment Pending CN109442061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811617004.9A CN109442061A (en) 2018-12-27 2018-12-27 Three seven port valves and stamping equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811617004.9A CN109442061A (en) 2018-12-27 2018-12-27 Three seven port valves and stamping equipment

Publications (1)

Publication Number Publication Date
CN109442061A true CN109442061A (en) 2019-03-08

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ID=65538452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811617004.9A Pending CN109442061A (en) 2018-12-27 2018-12-27 Three seven port valves and stamping equipment

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CN (1) CN109442061A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1587720A (en) * 2004-08-04 2005-03-02 浙江大学 Leakless plane type pure water electrohydraulic change valve
CN102865264A (en) * 2012-10-22 2013-01-09 三一重机有限公司 Hydraulic valve and hydraulic valve bank
CN103363282A (en) * 2013-06-27 2013-10-23 河南科技大学 Leak-free sliding valve structure
CN104033436A (en) * 2014-05-04 2014-09-10 柳州柳工液压件有限公司 Load-sensitive multi-way reversing valve
CN105840571A (en) * 2015-01-16 2016-08-10 徐工集团工程机械股份有限公司 Valve body of load-sensitive multi-way valve reversing link and load-sensitive multi-way valve reversing link
CN108412828A (en) * 2018-03-27 2018-08-17 中国石油化工股份有限公司 A kind of hydraulic control flat valve
CN209245342U (en) * 2018-12-27 2019-08-13 山西双环重工集团有限公司 Three seven port valves and stamping equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1587720A (en) * 2004-08-04 2005-03-02 浙江大学 Leakless plane type pure water electrohydraulic change valve
CN102865264A (en) * 2012-10-22 2013-01-09 三一重机有限公司 Hydraulic valve and hydraulic valve bank
CN103363282A (en) * 2013-06-27 2013-10-23 河南科技大学 Leak-free sliding valve structure
CN104033436A (en) * 2014-05-04 2014-09-10 柳州柳工液压件有限公司 Load-sensitive multi-way reversing valve
CN105840571A (en) * 2015-01-16 2016-08-10 徐工集团工程机械股份有限公司 Valve body of load-sensitive multi-way valve reversing link and load-sensitive multi-way valve reversing link
CN108412828A (en) * 2018-03-27 2018-08-17 中国石油化工股份有限公司 A kind of hydraulic control flat valve
CN209245342U (en) * 2018-12-27 2019-08-13 山西双环重工集团有限公司 Three seven port valves and stamping equipment

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