CN203626872U - Plug-in type metal ring loop line hard sealing reversing valve - Google Patents
Plug-in type metal ring loop line hard sealing reversing valve Download PDFInfo
- Publication number
- CN203626872U CN203626872U CN201320833853.4U CN201320833853U CN203626872U CN 203626872 U CN203626872 U CN 203626872U CN 201320833853 U CN201320833853 U CN 201320833853U CN 203626872 U CN203626872 U CN 203626872U
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- Prior art keywords
- valve
- spool
- plug
- liquid return
- back fluid
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- 238000007789 sealing Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000007769 metal material Substances 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 46
- 230000008859 change Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 206010008469 Chest discomfort Diseases 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
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Abstract
The utility model discloses a plug-in type metal ring loop line hard sealing reversing valve which comprises a valve body and two valve element components. Each valve element component comprises a liquid return valve element, a liquid return valve sleeve, a valve seat, a liquid inlet valve sleeve and a valve element. The valve elements are hollow oil ducts with two open ends, inner holes are formed in the liquid return valve elements, the valve elements and the liquid return valve elements are both made of metal materials, the end, facing the corresponding liquid return valve element, of each valve element is provided with a frustum structure which is used for being inserted in the inner holes of the liquid return valve elements and is in seal connection and linear contact with ports of the inner holes. Compared with the prior art, the valve elements and the liquid return valve elements of the reversing valve are both made of metal materials, the valve elements and the liquid return valve elements are in hard sealing connection through a metal loop line, so that the reversing valve is good in sealing performance, simple in structure, large in flow, long in service life, and easy to install and maintain, the reversing valve is repaired by directly replacing the plug-in type hydraulic component, a hydraulic pipeline connected with the plug-in type hydraulic component does not need to be dismounted, and the reversing valve is simple and practicable, and high in reliability.
Description
Technical field
The utility model relates to the Hydraulic Elements in coal mine hydraulic supporting hydraulic circuit, and specifically, the utility model relates to a kind of plug-in metal loop wire hard sealed change valve.
Background technology
At coal mine fully-mechanized mining more and more under the overall situation of automation, high efficiency development, large mining height, the support of high impedance is more and more universal, corresponding control valve also start from before low discharge gradually develop into present flow, large flow.At coal machine profession, reversal valve is also referred to as control valve or control valve.In hydraulic pressure system of hydraulic support, the direction of reversal valve control liquid stream, the different action such as realize hydraulic support lifting, pushing and sliding, try to stop people from fighting each other.At present, domestic manual plug-type middle-flow structure of reversing valve complexity, sealing reliability is poor, flow is generally on the low side, and this phenomenon can not meet the instructions for use of large mining height, high impedance support, has affected the steady operation of comprehensive mining hydraulic bracket.
Utility model content
The utility model provides a kind of plug-in metal loop wire hard sealed change valve, and object is to improve the sealing reliability of reversal valve.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of plug-in metal loop wire hard sealed change valve, comprise valve body and two core assemblies, valve body is provided with a main inlet opening, a main hole for back flow and two working holes, main inlet opening and main hole for back flow are located on the same side of valve body, two working holes are located on an end face of valve body, core assembly comprises back fluid spool, liquid return valve jacket, valve seat, feed liquor valve pocket and spool, the both ends open of spool, inside is hollow oil duct, back fluid spool is provided with endoporus, described spool and back fluid spool all adopt metal material to make, the end towards back fluid spool of spool is provided with that endoporus for inserting back fluid spool is connected with endoporus port sealing and is the frustum structure of line contact.
The outside that described spool is arranged in described feed liquor valve pocket forms ring piece, is provided with the spring being enclosed within outside spool in feed liquor valve pocket, and spring is pushed against on spool ring piece and by spool ring piece and is pressed on valve seat and forms and be firmly tightly connected, and valve seat adopts metal material to make.
The endoporus of described back fluid spool comprises that one for holding the taper hole part of described spool, and the port of taper hole part is provided with chamfering.
Described working hole place be provided with for the spliced eye of active joint socket connection.
The end of described valve body is provided with a rectangle projection, and the end face of rectangle projection is offered described spliced eye.
Between described back fluid spool and described liquid return valve jacket, use O shape rubber seal rings for seal, between described spool and valve seat, feed liquor valve pocket, also use respectively O shape rubber seal rings for seal, between liquid return valve jacket, valve seat, feed liquor valve pocket and valve body, adopt respectively O-ring seals sealing.
The utility model adopts technique scheme, compared with prior art, the spool of this reversal valve and back fluid spool all adopt metal material to make, and between spool and feed liquor spool, are firmly tightly connected for metal loop wire, good seal performance, and simple in structure, flow is large, long service life, be easy to installation and maintenance, directly repair reversal valve by changing plug-in hydraulic pressure assembly, and do not need to remove connected fluid pressure line, simple, reliability is strong.
Accompanying drawing explanation
Fig. 1 is the sectional view of reversal valve of the present utility model;
Fig. 2 is the sectional view of core assembly;
Mark in above-mentioned figure is: 1, briquetting; 2, valve body; 3, feed liquor valve pocket; 4, spring; 5, spool; 6, valve seat; 7, back fluid spool; 8, liquid return valve jacket; 9, lever; 10, operating mechanism; 11, housing; 12, handle; 13, pressure head; 14, main inlet opening; 15, main hole for back flow; 16, ring piece.
The specific embodiment
As depicted in figs. 1 and 2, a kind of plug-in metal of the utility model loop wire hard sealed change valve, comprise valve body 2, play the core assembly of lever 9, operating mechanism 10 and the plug-in of the effect of back to the fluid chamber opening, in valve body 2, have two runners that run through valve body 2, in the runner of valve body 2, be separately installed with the core assembly of the plug-in that structure is identical.Operating mechanism 10 is installed in one end of valve body 2, operating mechanism 10 comprises housing 11, there is handle 12 to stretch into housing 11 from housing 11 tops, and the pommel that handle 12 is positioned at housing 11 is connected with pressure head 13, in housing 11, also symmetry is rotatablely equipped with and the back fluid spool 7 tops briquetting 1 of corresponding matching one by one, pressure head 13 is supported at briquetting 1 top, briquetting 1 bottom is pressed on respectively each self-corresponding back fluid spool 7 tops, in housing 11, be also provided with center rotating and be arranged on the lever 9 on housing 11, lever 9 is between two back fluid spool 7 tops, back fluid spool 7 top sidewalls form cannelure, lever 9 two ends embed respectively in the cannelure of back fluid spool 7.Valve body 2 is provided with a main inlet opening 14, main hole for back flow 15 and two working hole A, B, main inlet opening 14 and main hole for back flow 15 are located on the same side of valve body 2 side by side, two working hole A, B are located on the end face relative with handle 12 positions of valve body 2 side by side, two working hole A, B match with a core assembly respectively, after valve opening, the emulsion entering in valve body 2 from main inlet opening 14 flows out from working hole A, B respectively through core assembly, after valve closing, the emulsion in core assembly flows back to emulsion power pack from main hole for back flow 15.
As depicted in figs. 1 and 2, core assembly comprises back fluid spool 7, liquid return valve jacket 8, valve seat 6, feed liquor valve pocket 3 and spool 5, both ends open, the inside of spool 5 are hollow oil duct, back fluid spool 7 is provided with endoporus, back fluid spool 7 inserts in liquid return valve jacket 8 and top is stretched out with lever 9 and is connected from liquid return valve jacket 8, insert in liquid return valve jacket 8 with liquid return valve jacket 8 as being threaded the end of feed liquor valve pocket 3, valve seat 6 is arranged in liquid return valve jacket 8 and is pushed against the inner limited step place arranging of liquid return valve jacket 8 by the end face of feed liquor valve pocket 3, thus fixed valve base 6.Spool 5 inserts in feed liquor valve pocket 3 and valve seat 6, and back fluid spool 7 and spool 5 are all removable.Spool 5 and back fluid spool 7 match and seal, the spool 5 of this reversal valve and back fluid spool 7 all adopt metal material to make, and the end towards back fluid spool 7 of spool 5 is provided with that endoporus for inserting back fluid spool 7 is connected with endoporus port sealing and is the frustum structure of line contact.
The endoporus of back fluid spool 7 comprises that one for holding taper hole part and one and the partially communicating circular hole part of taper hole of spool 5, taper hole part is open state towards spool 5, the port of taper hole part is also provided with chamfering, thereby in the time that spool 5 contacts with back fluid spool 7, the loop wire of back fluid spool 7 ports contacts with the spool 5 end conical surfaces, realize the hard sealing of line contact, thereby can improve the sealing reliability of reversal valve.
The outside that spool 5 is positioned at feed liquor valve pocket 3 forms a ring piece 16, this ring piece 16 is a complete annular, coaxial with spool 5, in feed liquor valve pocket 3, be provided with the spring 4 being enclosed within outside spool 5, one end of spring 4 is supported on ring piece 16 and by ring piece 16 and is pressed on valve seat 6 and forms feed liquor sealing pair, and the other end is against on the step surface arranging at close terminal position place in feed liquor valve pocket 3.Valve seat 6 adopts metal material to make, the endoporus of valve seat 6 is provided with auger bore portion and a less small taper hole part of tapering that tapering is larger vertically successively at the position near spring 4, two taper hole taperings are different, thereby the junction two taper hole parts forms a loop wire, ring piece 16 processes a taper seat on the lateral surface of end.Core assembly is in the time of original state, and spring 4 promotes spool 5 and moves towards valve seat 6, until the taper seat of ring piece 16 ends contacts with the loop wire of valve seat 6 endoporus, is now line contact, and be metal hard-sealing.
Spool 5, back fluid spool 7 are identical with the material of valve seat 6, are 3Cr13.With respect to the sealing of softwood matter, between spool 5 and back fluid spool 7 and valve seat 6, adopt metal loop wire firmly to seal, firmly seal not only good seal performance, also ability super-pressure, can effectively extend the application life of sealing pair, can extend the application life of core assembly, and can improve the sealing reliability of core assembly, be applied in the time between failures that can improve greatly reversal valve on reversal valve.
On valve body 2, be provided with the rectangle projection of a protrusion for offering one end of working hole A, B, in working hole A, B the part of position outermost be for the spliced eye of active joint socket connection, two spliced eyes are set, socket connection is quick and convenient, thereby connection that can portable propelling joint, has the pin-and-hole that the bearing pin that allows on active joint embeds on the inside wall of spliced eye.
Between the back fluid spool 7 of this reversal valve and liquid return valve jacket 8, use O shape rubber seal rings for seal, between spool 5 and valve seat 6, feed liquor valve pocket 3, use respectively O shape rubber seal rings for seal, between liquid return valve jacket 8, valve seat 6, feed liquor valve pocket 3 and valve body 2, adopt respectively O-ring seals sealing.
Two working chamber structures of this reversal valve are identical, and its operating principle is as follows: in the time that operating mechanism 10 mediates, the interface that leads to each working chamber communicates with back to the fluid chamber.Spool 5 seals with valve seat 6 under the effect of spring 4, prevents that high-voltage oil liquid from entering.When needs work is, operating mechanism 10 is depressed the back fluid spool of a side 7, back fluid spool 7 ends and spool 5 front ends form sealing pair and prevent that high-voltage oil liquid from flowing to back to the fluid chamber, spool 5 and valve seat 6 are separated simultaneously, make the liquid in high pressure chest enter working chamber interface column or the very heavy relevant action that carries out, by strong opening lever 9, the back fluid spool 7 of another working chamber is pulled out, make back liquid more smooth.In the time that needs stop action, operating mechanism 10 recovers zero-bit, and lever 9 recovery levels also pull out back fluid spool 7, and back fluid spool 7 separates with spool 5, opens working chamber and back flow channel, makes getting back to back on liquid main pipeline by back to the fluid chamber of working chamber liquid smoothness.Spool 5 compresses and closes feed liquor to valve seat 6 under the elastic force of spring 4 and the effect of fluid pressure simultaneously, stops column or the very heavy relevant action that carries out.The operating principle of corresponding opposite side is identical.All adopt metal material to contact the sealing forming, sealing reliability energy and the application life of greatly having improved reversal valve owing to entering liquid return hole.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (6)
1. a plug-in metal loop wire hard sealed change valve, comprise valve body and two core assemblies, valve body is provided with a main inlet opening, a main hole for back flow and two working holes, main inlet opening and main hole for back flow are located on the same side of valve body, two working holes are located on an end face of valve body, core assembly comprises back fluid spool, liquid return valve jacket, valve seat, feed liquor valve pocket and spool, the both ends open of spool, inside is hollow oil duct, back fluid spool is provided with endoporus, it is characterized in that: described spool and back fluid spool all adopt metal material to make, the end towards back fluid spool of spool is provided with that endoporus for inserting back fluid spool is connected with endoporus port sealing and is the frustum structure of line contact.
2. plug-in metal loop wire hard sealed change valve according to claim 1, it is characterized in that: the outside that described spool is arranged in described feed liquor valve pocket forms ring piece, in feed liquor valve pocket, be provided with the spring being enclosed within outside spool, spring is pushed against on spool ring piece and by spool ring piece and is pressed on valve seat and forms and be firmly tightly connected, and valve seat adopts metal material to make.
3. plug-in metal loop wire hard sealed change valve according to claim 1 and 2, is characterized in that: the endoporus of described back fluid spool comprises that one for holding the taper hole part of described spool, and the port of taper hole part is provided with chamfering.
4. plug-in metal loop wire hard sealed change valve according to claim 3, is characterized in that: described working hole place be provided with for the spliced eye of active joint socket connection.
5. plug-in metal loop wire hard sealed change valve according to claim 4, is characterized in that: the end of described valve body is provided with a rectangle projection, and the end face of rectangle projection is offered described spliced eye.
6. plug-in metal loop wire hard sealed change valve according to claim 5, it is characterized in that: between described back fluid spool and described liquid return valve jacket, use O shape rubber seal rings for seal, between described spool and valve seat, feed liquor valve pocket, also use respectively O shape rubber seal rings for seal, between liquid return valve jacket, valve seat, feed liquor valve pocket and valve body, adopt respectively O-ring seals sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833853.4U CN203626872U (en) | 2013-12-17 | 2013-12-17 | Plug-in type metal ring loop line hard sealing reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833853.4U CN203626872U (en) | 2013-12-17 | 2013-12-17 | Plug-in type metal ring loop line hard sealing reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203626872U true CN203626872U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833853.4U Expired - Fee Related CN203626872U (en) | 2013-12-17 | 2013-12-17 | Plug-in type metal ring loop line hard sealing reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203626872U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194232A (en) * | 2016-08-30 | 2016-12-07 | 山西平阳广日机电有限公司 | A kind of hand-operated valve core assembly |
| CN107489789A (en) * | 2017-09-25 | 2017-12-19 | 鸿大智能机械有限公司 | Hard sealing low discharge reversal valve |
| CN107524819A (en) * | 2017-08-28 | 2017-12-29 | 宁波长壁流体动力科技有限公司 | A kind of core assembly |
| CN107542483A (en) * | 2017-10-24 | 2018-01-05 | 鸿大智能机械有限公司 | High flow directional control valve |
| CN107780953A (en) * | 2017-10-24 | 2018-03-09 | 鸿大智能机械有限公司 | The core assembly of high flow directional control valve |
| CN107956494A (en) * | 2017-11-20 | 2018-04-24 | 鸿大智能机械有限公司 | The guide sleeve of soft seal high flow directional control valve |
-
2013
- 2013-12-17 CN CN201320833853.4U patent/CN203626872U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194232A (en) * | 2016-08-30 | 2016-12-07 | 山西平阳广日机电有限公司 | A kind of hand-operated valve core assembly |
| CN107524819A (en) * | 2017-08-28 | 2017-12-29 | 宁波长壁流体动力科技有限公司 | A kind of core assembly |
| CN107489789A (en) * | 2017-09-25 | 2017-12-19 | 鸿大智能机械有限公司 | Hard sealing low discharge reversal valve |
| CN107542483A (en) * | 2017-10-24 | 2018-01-05 | 鸿大智能机械有限公司 | High flow directional control valve |
| CN107780953A (en) * | 2017-10-24 | 2018-03-09 | 鸿大智能机械有限公司 | The core assembly of high flow directional control valve |
| CN107956494A (en) * | 2017-11-20 | 2018-04-24 | 鸿大智能机械有限公司 | The guide sleeve of soft seal high flow directional control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171117 Address after: Zhi Zhen Wuhu County in Anhui province Wuhu city Anhui Bay 241000 Wuhu Economic Development Zone Sunshine Road No. 768 building 06 Patentee after: HONGDA INTELLIGENT MACHINERY Co.,Ltd. Address before: 241000 Wuhu County, Anhui Province Machinery Industrial Park, Wuhu Patentee before: JULONG GROUP WUHU XINGLONG HYDRAULIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 |