CN201915975U - Plug-in high flow rate hard seal reversal valve - Google Patents
Plug-in high flow rate hard seal reversal valve Download PDFInfo
- Publication number
- CN201915975U CN201915975U CN2011200016957U CN201120001695U CN201915975U CN 201915975 U CN201915975 U CN 201915975U CN 2011200016957 U CN2011200016957 U CN 2011200016957U CN 201120001695 U CN201120001695 U CN 201120001695U CN 201915975 U CN201915975 U CN 201915975U
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- push rod
- spool
- plug
- valve body
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Abstract
The utility model discloses a plug-in high flow rate hard seal reversal valve, which comprises a valve body, wherein valve core components with identical structures are mounted in the flow passage of the valve body; a control mechanism is mounted at the top of the valve body; and a movable joint is mounted at the flow passage outlet at the bottom of the valve body. The plug-in high flow rate hard seal reversal valve has the advantages of simple structure, high flow rate, simplicity, convenience and high reliability, is convenient to mount and maintain, and can be repaired by directly replacing the plug-in valve core components.
Description
Technical field
The utility model relates to the reversal valve field, is specially the big flow hard sealed change valve of a kind of plug-in.
Background technology
At coal mine fully-mechanized mining more and more under the overall situation of automation, high efficiency development, big mining height, the support of high impedance is more and more universal, corresponding control valve also begin from before low discharge develop into present big flow gradually.In coal machine industry, reversal valve is also referred to as control valve or control valve.In the hydraulic support hydraulic system, the direction of reversal valve control liquid stream, different action such as realize hydraulic support lifting, pushing and sliding, try to stop people from fighting each other.At present, domestic manual high flow directional control valve complex structure, sealing reliability is relatively poor, flow is generally on the low side, and this phenomenon can not satisfy the instructions for use of big mining height, high impedance support, has influenced to combine the steady operation of adopting comprehensive mining hydraulic bracket.
The utility model content
The utility model purpose provides the big flow hard sealed change valve of a kind of plug-in, and is poor with the high flow directional control valve sealing reliability that solves prior art, flow is on the low side and the problem of maintenance difficult.
In order to achieve the above object, the technical scheme that the utility model adopted is:
The big flow hard sealed change valve of a kind of plug-in, include valve body, have two runners that run through valve body in the described valve body, the valve body top is equipped with operating mechanism, valve body bottom flow passage mouth place is equipped with active joint, it is characterized in that: be separately installed with the identical cartridge valve core assembly of structure in the runner of described valve body, described cartridge valve core assembly comprises the top stem casing that is positioned at runner top, be positioned at time liquid valve seat that runner middle part and top stem casing connect as one, be positioned at the runner bottom and return the feed liquor valve pocket that the liquid valve seat is screwed together, be slidingly fitted with push rod in the described top stem casing, return the liquid valve seat, be slidingly fitted with spool in the feed liquor valve pocket, described spool top contacts with push rod bottom spherical arc to cooperate and constitutes sealing pair, the outside that described spool is positioned at the feed liquor valve pocket forms the outer, be provided with in the described feed liquor valve pocket and be enclosed within the outer spring of spool, described spring is replaced and is being pressed on back formation feed liquor sealing pair on the liquid valve seat on the spool outer and with the spool outer, described operating mechanism comprises housing, there is handle to stretch into the housing from case top, and the pommel that handle is positioned at housing is connected with pressure head, in the described housing also symmetry be rotatablely equipped with and the push rod top briquetting of corresponding matching one by one, described pressure head is replaced at the briquetting top, the briquetting bottom is pressed on each self-corresponding push rod top respectively, the center that also is provided with in the described housing is rotatably installed in the lever on the housing, described lever is between the push rod top, described push rod top sidewall forms cannelure, and described lever two ends embed respectively in the cannelure of push rod.
The big flow hard sealed change valve of described a kind of plug-in, it is characterized in that: seal with O shape rubber seal between described push rod and the top stem casing, respectively with the sealing of O shape rubber seal, adopt the O-ring seals sealing between top stem casing, time liquid valve seat, feed liquor valve pocket and the valve body respectively between spool and time liquid valve seat, the feed liquor valve pocket.
The big flow hard sealed change valve of described a kind of plug-in is characterized in that: described spool and time liquid valve seat form metal hard-sealing, and spool top and push rod bottom form hard sealing.
The big flow hard sealed change valve of described a kind of plug-in is characterized in that: the face of cylinder that described cartridge valve core assembly and valve body cooperate radius from the top down reduces gradually.
The big flow hard sealed change valve of described a kind of plug-in is characterized in that: described top stem casing and time liquid valve seat can relatively rotate.
The utility model is simple in structure, and flow is big, and long service life is easy to installation and maintenance, directly repairs reversal valve by changing the plug-in hydraulic package, and need not remove connected fluid pressure line, simple, good reliability.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1.The big flow hard sealed change valve of a kind of plug-in, include valve body 2, have two runners that run through valve body 2 in the valve body 2, valve body 2 tops are equipped with operating mechanism 10, valve body 2 bottom flow passage mouth places are equipped with active joint 1, be separately installed with the identical cartridge valve core assembly of structure in the runner of valve body 2, the face of cylinder that cartridge valve core assembly and valve body 2 cooperate radius from the top down reduces gradually.The cartridge valve core assembly comprises the top stem casing 8 that is positioned at runner top, is positioned at time liquid valve seat 6 that runner middle part and top stem casing 8 connect as one, and top stem casing 8 and time liquid valve seat 6 can relatively rotate.Be positioned at the runner bottom and return the feed liquor valve pocket 3 that liquid valve seat 6 is screwed together, be slidingly fitted with push rod 7 in the top stem casing 8, return in liquid valve seat 6, the feed liquor valve pocket 3 and be slidingly fitted with spool 5, spool 5 tops contact with push rod 7 bottom spherical arcs to cooperate and constitute sealing pair, and spool 5 tops and push rod 7 bottoms form hard sealing.The outside that spool 5 is positioned at feed liquor valve pocket 3 forms the outer, be provided with the spring 4 that is enclosed within outside the spool 5 in the feed liquor valve pocket 3, spring 4 is replaced on spool 5 outers and with spool 5 outers and is pressed on back formation feed liquor sealing pair on the liquid valve seat 6, spool 5 and time liquid valve seat 6 form metal hard-sealings, operating mechanism 10 comprises housing 11, there is handle 12 to stretch into the housing 10 from housing 10 tops, and the pommel that handle 12 is positioned at housing 10 is connected with pressure head 13, in the housing 10 also symmetry be rotatablely equipped with and the push rod 7 tops briquetting 14 of corresponding matching one by one, pressure head 13 is replaced at briquetting 14 tops, briquetting 14 bottoms are pressed on each self-corresponding push rod 7 top respectively, the center that also is provided with in the housing 10 is rotatably installed in the lever 9 on the housing 10, lever 9 is between push rod 7 tops, push rod 7 top sidewalls form cannelure, and lever 9 two ends embed respectively in the cannelure of push rod 7.
Use the sealing of O shape rubber seal between push rod 7 and the top stem casing 8, respectively with the sealing of O shape rubber seal, adopt the O-ring seals sealing between top stem casing 8, time liquid valve seat 6, feed liquor valve pocket 3 and the valve body 2 respectively between spool 5 and time liquid valve seat 6, the feed liquor valve pocket 3.
The utility model is fit to the above use of flow 320L/Min, include the active joint 1 of bottom, valve body 2, play back the lever 9 of the strong opening effect of liquid, operating mechanism 10, and the core assembly of plug-in, there is feed liquor valve pocket 3 cartridge valve core assembly the inside, the spring 4 of feed liquor valve pocket 3 the insides makes spool 5 be pressed on returning of metal material and forms the feed liquor sealing pair on the liquid valve seat 6, return liquid valve seat 6 and feed liquor valve pocket 3 by being threaded, open that the metal material push rod 7 of working chamber is terminal to contact the formation sealing pair with spool 5 front ends by the round metal cambered surface, the Screw by four symmetries will return liquid valve seat 6 and be connected with top stem casing 8 the cartridge valve core assembly is integrated at last.Increase lever 10 in the operating mechanism 9, these lever two ends embed in two push rod 7 head cannelures.Use the sealing of O shape rubber seal between push rod 7 and the top stem casing 8, with the sealing of O shape rubber seal, seal with O shape rubber seal between top stem casing 8, time liquid valve seat 6 and feed liquor valve pocket 3 and the valve body 2 between spool 5 and time liquid valve seat 6 and the feed liquor valve pocket 3.
Two working chamber structures are identical, and its operating principle is as follows: when operating mechanism 10 mediated, the interface that leads to each working chamber communicated with time sap cavity.Spool 5 seals with valve seat 6 under the effect of spring 4, prevents that high pressure liquid from entering.When needs work is, operating mechanism 10 is depressed the push rod 7 of a side, push rod 7 ends form sealing pair with spool 5 front ends and prevent that highly pressurised liquid from flowing to back sap cavity, simultaneously spool 5 and valve seat 6 are separated, make the liquid in the high pressure chest enter working chamber interface column or the very heavy relevant action that carries out, by strong opening lever 9 push rod 7 of another working chamber is pulled out, make back liquid more smooth.When needs stopped to move, operating mechanism 10 recovered zero-bit, and lever 9 recovery levels are also pulled out push rod 7, and push rod 7 separates with spool 5, opens working chamber and back flow channel, and the sap cavity that passes through back of working chamber liquid smoothness is got back to back on the liquid trunk line.Simultaneously spool 5 compresses and closes feed liquor to returning liquid valve seat 6 under the effect of the elastic force of spring 4 and fluid pressure, stops column or the very heavy relevant action that carries out.The operating principle of corresponding opposite side is identical.Owing to advance the sealing that liquid return hole all adopts the metal material contact to form, the sealing reliability energy and the application life of having improved reversal valve greatly.
Claims (5)
1. big flow hard sealed change valve of plug-in, include valve body, have two runners that run through valve body in the described valve body, the valve body top is equipped with operating mechanism, valve body bottom flow passage mouth place is equipped with active joint, it is characterized in that: be separately installed with the identical cartridge valve core assembly of structure in the runner of described valve body, described cartridge valve core assembly comprises the top stem casing that is positioned at runner top, be positioned at time liquid valve seat that runner middle part and top stem casing connect as one, be positioned at the runner bottom and return the feed liquor valve pocket that the liquid valve seat is screwed together, be slidingly fitted with push rod in the described top stem casing, return the liquid valve seat, be slidingly fitted with spool in the feed liquor valve pocket, described spool top contacts with push rod bottom spherical arc to cooperate and constitutes sealing pair, the outside that described spool is positioned at the feed liquor valve pocket forms the outer, be provided with in the described feed liquor valve pocket and be enclosed within the outer spring of spool, described spring is replaced and is being pressed on back formation feed liquor sealing pair on the liquid valve seat on the spool outer and with the spool outer, described operating mechanism comprises housing, there is handle to stretch into the housing from case top, and the pommel that handle is positioned at housing is connected with pressure head, in the described housing also symmetry be rotatablely equipped with and the push rod top briquetting of corresponding matching one by one, described pressure head is replaced at the briquetting top, the briquetting bottom is pressed on each self-corresponding push rod top respectively, the center that also is provided with in the described housing is rotatably installed in the lever on the housing, described lever is between the push rod top, described push rod top sidewall forms cannelure, and described lever two ends embed respectively in the cannelure of push rod.
2. the big flow hard sealed change valve of a kind of plug-in according to claim 1, it is characterized in that: seal with O shape rubber seal between described push rod and the top stem casing, respectively with the sealing of O shape rubber seal, adopt the O-ring seals sealing between top stem casing, time liquid valve seat, feed liquor valve pocket and the valve body respectively between spool and time liquid valve seat, the feed liquor valve pocket.
3. the big flow hard sealed change valve of a kind of plug-in according to claim 1 is characterized in that: described spool and time liquid valve seat form metal hard-sealing, and spool top and push rod bottom form hard sealing.
4. the big flow hard sealed change valve of a kind of plug-in according to claim 1 is characterized in that: the face of cylinder that described cartridge valve core assembly and valve body cooperate radius from the top down reduces gradually.
5. the big flow hard sealed change valve of a kind of plug-in according to claim 1 is characterized in that: described top stem casing and time liquid valve seat can relatively rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200016957U CN201915975U (en) | 2011-01-05 | 2011-01-05 | Plug-in high flow rate hard seal reversal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200016957U CN201915975U (en) | 2011-01-05 | 2011-01-05 | Plug-in high flow rate hard seal reversal valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915975U true CN201915975U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200016957U Expired - Fee Related CN201915975U (en) | 2011-01-05 | 2011-01-05 | Plug-in high flow rate hard seal reversal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915975U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510970A (en) * | 2013-09-27 | 2014-01-15 | 巨隆集团芜湖兴隆液压有限公司 | Valve element assembly of reversing valve for fully-mechanized coal mining hydraulic support |
| CN103506814A (en) * | 2013-09-27 | 2014-01-15 | 巨隆集团芜湖兴隆液压有限公司 | Manufacturing method for valve element component |
| CN104948209A (en) * | 2015-06-29 | 2015-09-30 | 平顶山市申联机械制造有限公司 | Automatic pressure supplementing integral plug-in mounting hand-operated direction valve |
| CN106194873A (en) * | 2016-08-29 | 2016-12-07 | 天津华宁电子有限公司 | One is applicable to new type mining auto-manual change-over valve core and reversal 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 |
| CN109057838A (en) * | 2018-07-26 | 2018-12-21 | 鑫矿液压科技有限公司 | A kind of 500 liters of flow diverter valves |
-
2011
- 2011-01-05 CN CN2011200016957U patent/CN201915975U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510970A (en) * | 2013-09-27 | 2014-01-15 | 巨隆集团芜湖兴隆液压有限公司 | Valve element assembly of reversing valve for fully-mechanized coal mining hydraulic support |
| CN103506814A (en) * | 2013-09-27 | 2014-01-15 | 巨隆集团芜湖兴隆液压有限公司 | Manufacturing method for valve element component |
| CN104842124A (en) * | 2013-09-27 | 2015-08-19 | 巨隆集团芜湖兴隆液压有限公司 | Reversing valve element assembly manufacturing method |
| CN103510970B (en) * | 2013-09-27 | 2015-09-23 | 巨隆集团芜湖兴隆液压有限公司 | A kind of core assembly for colliery comprehensive mining hydraulic bracket reversal valve |
| CN104842124B (en) * | 2013-09-27 | 2017-02-01 | 巨隆集团芜湖兴隆液压有限公司 | Reversing valve element assembly manufacturing method |
| CN104948209A (en) * | 2015-06-29 | 2015-09-30 | 平顶山市申联机械制造有限公司 | Automatic pressure supplementing integral plug-in mounting hand-operated direction valve |
| CN106194873A (en) * | 2016-08-29 | 2016-12-07 | 天津华宁电子有限公司 | One is applicable to new type mining auto-manual change-over valve core and reversal 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 |
| CN109057838A (en) * | 2018-07-26 | 2018-12-21 | 鑫矿液压科技有限公司 | A kind of 500 liters of flow diverter valves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20140105 |