CN106194232A - A kind of hand-operated valve core assembly - Google Patents
A kind of hand-operated valve core assembly Download PDFInfo
- Publication number
- CN106194232A CN106194232A CN201610759996.3A CN201610759996A CN106194232A CN 106194232 A CN106194232 A CN 106194232A CN 201610759996 A CN201610759996 A CN 201610759996A CN 106194232 A CN106194232 A CN 106194232A
- Authority
- CN
- China
- Prior art keywords
- valve sleeve
- spool
- sleeve
- upper valve
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 229920001643 poly(ether ketone) Polymers 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of hand-operated valve core assembly, it includes screw plug, upper valve sleeve, return liquid valve rod, spool, valve seat, lower valve sleeve and spring, through hole always is offered in described screw plug, upper valve sleeve one end is internally provided with the cavity for housing back liquid valve rod, the other end is internally provided with the cavity for housing spool, upper valve sleeve one end is inserted in the through hole of screw plug, and upper valve sleeve to be inserted into the part within described through hole be the column structure consistent with described through-hole aperture, return and be provided with a groove bottom one end of liquid valve rod, the body of rod side returning liquid valve rod is provided with a duct, described duct connects with groove, return liquid valve rod and be arranged on inside upper valve sleeve, lower valve sleeve is tightly connected with upper valve sleeve, spool is inserted into the inside of lower valve sleeve and upper valve sleeve, spring it is provided with between spool and lower valve sleeve；Upper valve sleeve is evenly arranged with intercommunicating pore that is several and that connect inside upper valve sleeve at the gap Duan Chu returned between liquid valve rod and spool.The present invention is by having carried out Curve guide impeller at the structure in some design of Sealing Structure weaknesses of core assembly so that core assembly structure is more reasonable, and service life is longer, substantially increases production efficiency.
Description
Technical field
The invention belongs to hydraulicdirectional control valve field, be specifically related to a kind of hand-operated valve core assembly.
Background technology
Owing to coal mine fully-mechanized mining working field condition is more severe, there is substantial amounts of corrosive substance and coal ash, the most right
Performance and the reliability requirement of hand-operated direction valve are the highest, and wherein core assembly is as parts most important in hand-operated direction valve, its
The properly functioning of whole hydraulic support is played vital effect by the quality of sealing, but in current hand-operated direction valve
Core assembly also exists certain defect owing to structure designs, and causes using under the rugged environment of core assembly down-hole a period of time
After, due to sealing problem, need often to change, bring many fiber crops to the proper motion of downhole production efficiency and hydraulic support
Tired.
Summary of the invention
It is an object of the invention to provide a kind of hand-operated valve core assembly.The present invention is by some the sealing knots at core assembly
Curve guide impeller has been carried out so that core assembly structure is more reasonable, and service life is longer, significantly carries at the structure that structure design is weak
High production efficiency.
The technical solution used in the present invention: a kind of hand-operated valve core assembly, it includes screw plug, upper valve sleeve, returns liquid valve rod, valve
Core, valve seat, lower valve sleeve and spring, offer through hole always in described screw plug, upper valve sleeve one end is internally provided with for housing
Returning the cavity of liquid valve rod, the other end is internally provided with the cavity for housing spool, and upper valve sleeve one end is inserted into the through hole of screw plug
In, and upper valve sleeve to be inserted into the part described through hole within be the column structure consistent with described through-hole aperture, time liquid valve rod
Being provided with a groove bottom one end, the body of rod side returning liquid valve rod is provided with a duct, and described duct connects with groove, returns liquid valve
Bar is arranged on inside upper valve sleeve, and lower valve sleeve is tightly connected with upper valve sleeve, and spool is inserted into the inside of lower valve sleeve and upper valve sleeve, spool
And it is provided with spring between lower valve sleeve；Upper valve sleeve is evenly arranged with number at the gap Duan Chu returned between liquid valve rod and spool
The individual intercommunicating pore that connect internal with upper valve sleeve；
Wherein, between through hole and the column structure of upper valve sleeve of screw plug, it is provided with steel ball, and by interior hexagonal flush end holding screw
Fixing, time liquid valve rod is arranged and between outside, reeded one end and upper valve sleeve, is provided with O-ring seals；Spool and upper valve sleeve it
Between be provided with the combination of back-up ring and O, be provided with the combination of back-up ring and O between spool and lower valve sleeve；On lower valve sleeve
The inclined hole offered and pacify spring-loaded chamber, spool is evenly arranged with several hole system of connecting internal with upper valve sleeve.
Further, described valve seat is arranged on the junction between lower valve sleeve and upper valve sleeve, the turning, outer ring of described valve seat
Place is provided with one first breach, and the first indentation, there between described lower valve sleeve and valve seat is provided with an O sealing ring.
Further, the inner ring corner of described valve seat is an inclined-plane, and the side of the hole system in the middle part of spool is provided with footpath
To protruding loop configuration, described inclined-plane is contacted by linear sealing with the seamed edge of described loop configuration, described loop configuration and
One is had to cross liquid passage between lower valve sleeve.
Further, described upper valve sleeve and the outside of lower valve sleeve are all provided with the contact position of described core assembly mounting structure
Being equipped with the combination of O-ring seals and back-up ring, described O-ring seals scribbles one layer of oil sealing layer outside the combination of back-up ring.
Further, described lower valve sleeve and the junction of upper valve sleeve are bonded by steel wire.
Further, described valve seat for polyether-ketone valve seat.
Further, the outside of described interior hexagonal flush end holding screw is coated with one layer of layer of silica gel.
Further, it is provided with one outside the steel ball arranged between through hole and the column structure of upper valve sleeve of described screw plug
Layer oil sealing layer, is all coated with one layer of oil sealing layer in the groove placing sealing ring on described core assembly.
Compared with prior art it provides the benefit that the present invention: the present invention is set by some the sealing structures at core assembly
Curve guide impeller has been carried out so that core assembly structure is more reasonable, and service life is longer, substantially increases at the structure that meter is weak
Production efficiency.The structure of present invention coating butter at sealing has the sealing utilizing raising to be tightly connected place.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
As it is shown in figure 1, a kind of hand-operated valve core assembly, it include screw plug 1, upper valve sleeve 2, return liquid valve rod 3, spool 4, valve seat 5,
Lower valve sleeve 6 and spring 7, offer through hole 8 always in described screw plug 1, upper valve sleeve 2 one end is internally provided with for housing back liquid
The cavity of valve rod 3, the other end is internally provided with the cavity for housing spool 4, and upper valve sleeve 2 one end is inserted into the through hole 8 of screw plug 1
In, and upper valve sleeve 2 to be inserted into the part described through hole 8 within be the column structure 9 consistent with described through hole 8 aperture, time liquid valve
Being provided with a groove 10 bottom one end of bar 3, the body of rod side returning liquid valve rod 3 is provided with a duct 11, and described duct 11 is with recessed
Groove 10 connects, and returns liquid valve rod 3 and is arranged on upper valve sleeve 2 inside, and lower valve sleeve 6 is tightly connected with upper valve sleeve 2, and spool 4 is inserted into lower valve
Set 6 and the inside of upper valve sleeve 2, be provided with spring 7 between spool 4 and lower valve sleeve 6；Upper valve sleeve 2 is positioned at back liquid valve rod 3 and valve
Gap Duan Chu between core 4 is evenly arranged with several intercommunicating pore 12 of connecting internal with upper valve sleeve 2；
Wherein, between through hole 8 and the column structure 9 of upper valve sleeve 2 of screw plug 1, it is provided with steel ball 13, and tight by interior hexagonal flush end
Determine screw to fix, return and be provided with O-ring seals between outside, one end and the upper valve sleeve 2 being provided with groove 10 on liquid valve rod 3；Spool
It is provided with the combination of back-up ring and O between 4 and upper valve sleeve 2, between spool 4 and lower valve sleeve 6, is provided with the group of back-up ring and O
Close；Lower valve sleeve 6 offers and installs the inclined hole 14 of the chamber of spring 7, spool 4 is evenly arranged with several and upper valve
The hole of the internal connection of set 2 is 15.
Described valve seat 5 is arranged on the junction between lower valve sleeve 6 and upper valve sleeve 2, and the outer ring corner of described valve seat 5 is arranged
There is one first breach 16, at the first breach 16 between described lower valve sleeve 6 and valve seat 5, be provided with an O sealing ring.
Further, the inner ring corner of described valve seat 5 is an inclined-plane 17, the hole in the middle part of spool 4 be 15 side set
Being equipped with the loop configuration 18 of radial protrusion, described inclined-plane 17 is contacted by linear sealing with the seamed edge of described loop configuration 18, institute
State and between loop configuration 18 and lower valve sleeve 6, have one to cross liquid passage 19.
The contact position of described upper valve sleeve 2 and the outside of lower valve sleeve 6 and described spool 4 component installation structure is provided with O
Shape sealing ring and the combination of back-up ring, scribble one layer of oil sealing layer outside the combination of described O-ring seals and back-up ring.
Described lower valve sleeve 6 is connected by steel wire key 20 with the junction of upper valve sleeve 2.
Described valve seat 5 for polyether-ketone valve seat 5.
The outside of described interior hexagonal flush end holding screw is coated with one layer of layer of silica gel.
The steel ball 13 arranged between through hole 8 and the column structure 9 of upper valve sleeve 2 of described screw plug 1 is outside is provided with one layer
Oil sealing layer, is all coated with one layer of oil sealing layer in the groove placing sealing ring on described spool 4 assembly.
Claims (6)
1. a hand-operated valve core assembly, it includes screw plug, upper valve sleeve, returns liquid valve rod, spool, valve seat, lower valve sleeve and spring, and it is special
Levying and be, offer through hole always in described screw plug, upper valve sleeve one end is internally provided with the cavity for housing back liquid valve rod,
The other end is internally provided with the cavity for housing spool, and upper valve sleeve one end is inserted in the through hole of screw plug, and upper valve sleeve plug-in mounting
It is the column structure consistent with described through-hole aperture in the part within described through hole, returns and be provided with one bottom one end of liquid valve rod
Groove, the body of rod side returning liquid valve rod is provided with a duct, and described duct connects with groove, returns liquid valve rod and is arranged in upper valve sleeve
Portion, lower valve sleeve is tightly connected with upper valve sleeve, and spool is inserted into the inside of lower valve sleeve and upper valve sleeve, arranges between spool and lower valve sleeve
There is spring；Upper valve sleeve is evenly arranged with and several connects inside upper valve sleeve returning gap Duan Chu between liquid valve rod and spool
Logical intercommunicating pore；
Wherein, return to arrange on liquid valve rod and be provided with O-ring seals between outside, reeded one end and upper valve sleeve；Spool and upper valve
It is provided with the combination of back-up ring and O between set, between spool and lower valve sleeve, is provided with the combination of back-up ring and O；At lower valve
Put the inclined hole offering Yu pacifying spring-loaded chamber, spool is evenly arranged with several hole of connecting internal with upper valve sleeve
System.
A kind of hand-operated valve core assembly the most according to claim 1, it is characterised in that described valve seat is arranged on lower valve sleeve with upper
Junction between valve pocket, the outer ring corner of described valve seat is provided with one first breach, between described lower valve sleeve and valve seat
First indentation, there is provided with an O sealing ring.
A kind of hand-operated valve core assembly the most according to claim 1, it is characterised in that the inner ring corner of described valve seat is one
Inclined-plane, the side of the hole system in the middle part of spool is provided with the loop configuration of radial protrusion, described inclined-plane and described loop configuration
Seamed edge is contacted by linear sealing, has one to cross liquid passage between described loop configuration and lower valve sleeve.
A kind of hand-operated valve core assembly the most according to claim 1, it is characterised in that outside described upper valve sleeve and lower valve sleeve
The contact position of portion and described core assembly mounting structure is provided with the combination of O-ring seals and back-up ring, described O-ring seals and
One layer of oil sealing layer is scribbled outside the combination of back-up ring.
A kind of hand-operated valve core assembly the most according to claim 1 and 2, it is characterised in that described valve seat for polyether-ketone
Valve seat.
A kind of hand-operated valve core assembly the most according to claim 1, it is characterised in that the placement on described core assembly seals
One layer of oil sealing layer all it is coated with in the groove of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759996.3A CN106194232A (en) | 2016-08-30 | 2016-08-30 | A kind of hand-operated valve core assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759996.3A CN106194232A (en) | 2016-08-30 | 2016-08-30 | A kind of hand-operated valve core assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194232A true CN106194232A (en) | 2016-12-07 |
Family
ID=58089525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610759996.3A Pending CN106194232A (en) | 2016-08-30 | 2016-08-30 | A kind of hand-operated valve core assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194232A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145499A (en) * | 2019-06-19 | 2019-08-20 | 辽宁工业大学 | A kind of liquid storage booster jar and test method to eliminate low-temperature centrifugal pump cavitation phenomenons |
| CN114508518A (en) * | 2021-07-20 | 2022-05-17 | 上海大屯能源股份有限公司江苏分公司 | Split type hydraulic reversing valve thread plug |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB116921A (en) * | 1917-06-26 | 1918-06-26 | William Cecil Jeapes | Improvements in Printing Apparatus for Cinematograph Films. |
| GB2018954A (en) * | 1978-04-13 | 1979-10-24 | Thyssen Industrie | Valve Assembly |
| CN2751169Y (en) * | 2004-11-19 | 2006-01-11 | 中国农业大学 | Hydraulic controlled reversing valve |
| CN101871537A (en) * | 2010-06-21 | 2010-10-27 | 山西平阳广日机电有限公司 | Mining intrinsic safety electro-hydraulic control reversing valve core component |
| CN103334776A (en) * | 2013-05-28 | 2013-10-02 | 山西平阳广日机电有限公司 | Integral plug-in valve core assembly for hand-operated direction valve |
| CN203500559U (en) * | 2013-09-27 | 2014-03-26 | 巨隆集团芜湖兴隆液压有限公司 | Small-flow reversing valve |
| CN203626872U (en) * | 2013-12-17 | 2014-06-04 | 巨隆集团芜湖兴隆液压有限公司 | Plug-in type metal ring loop line hard sealing reversing valve |
| CN203962006U (en) * | 2014-06-30 | 2014-11-26 | 山西平阳广日机电有限公司 | Manual backwashing filter device core assembly |
| CN206053980U (en) * | 2016-08-30 | 2017-03-29 | 山西平阳广日机电有限公司 | A kind of manual core assembly |
-
2016
- 2016-08-30 CN CN201610759996.3A patent/CN106194232A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB116921A (en) * | 1917-06-26 | 1918-06-26 | William Cecil Jeapes | Improvements in Printing Apparatus for Cinematograph Films. |
| GB2018954A (en) * | 1978-04-13 | 1979-10-24 | Thyssen Industrie | Valve Assembly |
| CN2751169Y (en) * | 2004-11-19 | 2006-01-11 | 中国农业大学 | Hydraulic controlled reversing valve |
| CN101871537A (en) * | 2010-06-21 | 2010-10-27 | 山西平阳广日机电有限公司 | Mining intrinsic safety electro-hydraulic control reversing valve core component |
| CN103334776A (en) * | 2013-05-28 | 2013-10-02 | 山西平阳广日机电有限公司 | Integral plug-in valve core assembly for hand-operated direction valve |
| CN203500559U (en) * | 2013-09-27 | 2014-03-26 | 巨隆集团芜湖兴隆液压有限公司 | Small-flow reversing valve |
| CN203626872U (en) * | 2013-12-17 | 2014-06-04 | 巨隆集团芜湖兴隆液压有限公司 | Plug-in type metal ring loop line hard sealing reversing valve |
| CN203962006U (en) * | 2014-06-30 | 2014-11-26 | 山西平阳广日机电有限公司 | Manual backwashing filter device core assembly |
| CN206053980U (en) * | 2016-08-30 | 2017-03-29 | 山西平阳广日机电有限公司 | A kind of manual core assembly |
Non-Patent Citations (1)
| Title |
|---|
| 冀宏: "《液压气压传动与控制》", 28 February 2014, 华中科技大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145499A (en) * | 2019-06-19 | 2019-08-20 | 辽宁工业大学 | A kind of liquid storage booster jar and test method to eliminate low-temperature centrifugal pump cavitation phenomenons |
| CN110145499B (en) * | 2019-06-19 | 2023-11-24 | 辽宁工业大学 | Liquid storage booster tank for eliminating cavitation phenomenon of low-temperature centrifugal pump and testing method |
| CN114508518A (en) * | 2021-07-20 | 2022-05-17 | 上海大屯能源股份有限公司江苏分公司 | Split type hydraulic reversing valve thread plug |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106194232A (en) | A kind of hand-operated valve core assembly | |
| CN105317450A (en) | High-flow safety valve | |
| CN106151566B (en) | A kind of core assembly of flexible sealing structure | |
| CN206053980U (en) | A kind of manual core assembly | |
| CN103353000B (en) | A kind of relief valve on hydraulic tube | |
| CN103334776A (en) | Integral plug-in valve core assembly for hand-operated direction valve | |
| CN205745779U (en) | A kind of screw connected valve seat and high pressure connection | |
| RU2493355C2 (en) | Back pressure valve | |
| CN208831766U (en) | A kind of valve seat gland temporary fixing structure for slide type regulating valve | |
| CN209146371U (en) | The quick drainage device of hydraulic control | |
| CN203822217U (en) | Internal circulating hole concealed type reverse circulation valve | |
| CN103742667B (en) | A kind of ball valve | |
| CN203463688U (en) | Valve clack of stop valve | |
| MY194332A (en) | A method for assembling a valve and a valve | |
| CN202187878U (en) | Electromagnetic pump with check valve | |
| CN205689799U (en) | A kind of ball valve | |
| US20150158035A1 (en) | High-seal atomizing nozzle structure | |
| CN203769690U (en) | Check valve for drilling tool | |
| CN205559397U (en) | Backward flow cavate liquid stream check valve | |
| CN204647102U (en) | The reversing bar Returnning spring mounting structure of OCV valve | |
| CN204457815U (en) | A kind of backplate bidirectional lock | |
| CN202209435U (en) | Sealing structure of relief valve coupler | |
| CN201851649U (en) | Sealing structure for oil outlet process hole of oil pump | |
| CN203420873U (en) | Water-cooled mechanical sealing device for pumps | |
| CN203925539U (en) | A kind of high-flow safety 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |
|
| WD01 | Invention patent application deemed withdrawn after publication |