CN203685232U - 500L/min insertion hard sealing reversing valve - Google Patents
500L/min insertion hard sealing reversing valve Download PDFInfo
- Publication number
- CN203685232U CN203685232U CN201320881850.8U CN201320881850U CN203685232U CN 203685232 U CN203685232 U CN 203685232U CN 201320881850 U CN201320881850 U CN 201320881850U CN 203685232 U CN203685232 U CN 203685232U
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- China
- Prior art keywords
- feed liquor
- sealing ring
- spool
- valve
- spring
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Abstract
A 500L/min insertion hard sealing reversing valve comprises a valve body and an operation mechanism; two same work cavities are formed on the valve body; a liquid inlet and a liquid returning opening are formed in the plane of the valve body and are communicated with the two work cavities; a liquid inlet valve core is sleeved in a liquid inlet valve bush; a spring I is placed between the liquid inlet valve bush and the liquid inlet valve core; one end of the spring I is abutted against the liquid inlet valve bush; the other end of the spring I is abutted against a step of the liquid inlet valve core; a middle bush is in contact with the liquid inlet valve bush, the liquid inlet valve core, a liquid returning valve core and a liquid returning valve bush; the liquid returning valve core is arranged in the liquid returning valve bush; one end of a spring II is abutted against the middle bush; the other end of the spring II is abutted against a step of the liquid returning valve core; the outer conical surface of the liquid inlet valve core and the inner conical surface at the end of the middle bush form a steel-steel hard sealing pair; the inner conical surface at the end part of the liquid inlet valve core and the outer conical surface at the end part of the liquid returning valve core form a steel-steel hard sealing pair; the parts form a whole set of valve core assembly to be inserted into the work cavities; connectors are rotated into the work cavities as independent elements. The 500L/min insertion hard sealing reversing valve is used for a hydraulic support.
Description
Technical field
The utility model relates to a kind of reversal valve, specifically the integral plugged hard sealed change valve of a kind of 500L/min.
Background technology
At present, domestic coal mine fully-mechanized mining working also uses 3-position 4-way hand-operated direction valve in a large number, its main feature is that cost is low, good sealing effect, but this valve body is long-pending large, Heavy Weight is high to dismounting site requirements, the inconvenience that is out of order is repaired at the scene, whole group or plate valve must be transported to aboveground maintenance shop and repair.Workman needs to pay heavy manual labor for this reason, and within about one month, just starts to alter liquid again in down-hole use, and workman is transported to aboveground maintenance again.Because it adopts conventional seals form, in use the life-span is short, maintenance is inconvenient, greatly restricts the performance of fully-mechanized mining equipment usefulness.
Summary of the invention
The utility model object is to provide the integral plugged hard sealed change valve of a kind of 500L/min, it is for coal mine fully-mechanized mining working hydraulic support column, passing oil cylinder, flow is large, integral plugged formula, adopt hard sealing pair, reliably, it is convenient to keep in repair, change for compact conformation, sealing, long service life, can meet the requirement of coal mining high-yield and high-efficiency.
In order to achieve the above object, the solution that the utility model is taked is: a kind of 500L/min plug-in mounting hard sealed change valve, and it comprises valve body, operating mechanism, has two identical working chambers on valve body, valve body plane place has inlet and liquid return hole, inlet and liquid return hole communicate with two working chambers, feed liquor valve pocket packs into liquid spool, between feed liquor valve pocket and feed liquor spool, places spring one, and feed liquor valve pocket is withstood in spring one one end, the other end withstands the step of feed liquor spool, intermediate sleeve and feed liquor valve pocket, feed liquor spool, back fluid spool, liquid return valve jacket contact, back fluid spool is in liquid return valve jacket, and intermediate sleeve is withstood in spring two one end, the other end withstands back fluid spool step, and feed liquor spool male cone (strobilus masculinus) and intermediate sleeve inner end taper form the hard sealing pair of steel-steel, and feed liquor spool inner end taper and back fluid spool end male cone (strobilus masculinus) form the hard sealing pair of steel-steel, feed liquor valve pocket, spring one, feed liquor spool, intermediate sleeve, spring two, back fluid spool, liquid return valve jacket forms a whole set of core assembly, a whole set of core assembly of working chamber plug-in mounting, and joint screws in working chamber as independent component.
This kind of 500L/min plug-in mounting hard sealed change valve is for coal mine fully-mechanized mining working hydraulic support column, passing oil cylinder.Its flow is large, reaches 500L/min; Feed liquor spool male cone (strobilus masculinus) and intermediate sleeve inner end taper form the hard sealing pair of steel-steel, and feed liquor spool inner end taper and back fluid spool end male cone (strobilus masculinus) form the hard sealing pair of steel-steel, adopt the hard sealing pair of steel-steel, and sealing performance is reliable; Feed liquor valve pocket, spring one, feed liquor spool, intermediate sleeve, spring two, back fluid spool, liquid return valve jacket form a whole set of core assembly, the integral plugged working chamber that enters, compact conformation, integral plugged formula core assembly facilitates coal miner down-hole to safeguard replacing, the hard sealing pair long service life of steel-steel, can meet the requirement of coal mining high-yield and high-efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1, joint, 2, valve body, 3, sealing ring nine, 4, sealing ring one, 5, back-up ring one, 6, sealing ring two, 7, back-up ring two, 8, feed liquor valve pocket, 9, spring one, 10, feed liquor spool, 11, sealing ring three, 12, intermediate sleeve, 13, sealing ring four, 14, back-up ring four, 15, sealing ring five, 16, spring two, 17, sealing ring six, 18, back-up ring six, 19, liquid return valve jacket, 20, sealing ring seven, 21, back-up ring seven, 22, back fluid spool, 23, operating mechanism, 24, steady pin, 25, sealing ring eight, 26, sealing ring ten, 27, operating mechanism.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the utility model is remake to description.
Referring to Fig. 1, a kind of 500L/min plug-in mounting hard sealed change valve, it comprises valve body 2, operating mechanism 27, on valve body 2, have two identical working chambers, valve body 2 plane places have inlet and liquid return hole, inlet and liquid return hole communicate with two working chambers, feed liquor valve pocket 8 overlaps feed liquor spool 10, between feed liquor valve pocket 8 and feed liquor spool 10, place spring 1, feed liquor valve pocket 8 is withstood in spring one 9 one end, the other end withstands the step of feed liquor spool 10, intermediate sleeve 12 and feed liquor valve pocket 8, feed liquor spool 10, back fluid spool 22, liquid return valve jacket 19 contacts, and back fluid spool 22 is in liquid return valve jacket 19, and intermediate sleeve 12 is withstood in spring 2 16 one end, the other end withstands back fluid spool 22 steps, and feed liquor spool 10 male cone (strobilus masculinus)s and intermediate sleeve 12 inner end taper form the hard sealing pair of steel-steel, and feed liquor spool 10 inner end taper and back fluid spool 22 end male cone (strobilus masculinus)s form the hard sealing pair of steel-steel, feed liquor valve pocket 10, spring 1, feed liquor spool 10, intermediate sleeve 12, spring 2 16, back fluid spool 22, liquid return valve jacket 19 forms a whole set of core assembly, a whole set of core assembly of working chamber plug-in mounting, and joint 1 screws in working chamber as independent component.
Referring to Fig. 1, described valve body 2 is monolithic or slice structure.
Referring to Fig. 1, difference embedded sealing ring 1, back-up ring 1 and sealing ring 26, back-up ring 27 in described feed liquor valve pocket 8 inside and outside walls, sealing ring 1 contacts with feed liquor spool 10, and sealing ring 26 contacts with valve body 2.Further improve reversal valve sealing reliability.
Referring to Fig. 1, between described feed liquor valve pocket 8 and intermediate sleeve 12, clamp sealing ring 3 11.Further improve reversal valve sealing reliability.
Referring to Fig. 1, described intermediate sleeve 12 inwall embedding sealing circles 4 13, back-up ring 4 14, sealing ring 4 13 contacts with feed liquor spool 10.Further improve reversal valve sealing reliability.
Referring to Fig. 1, between described intermediate sleeve 12 and liquid return valve jacket 19, clamp sealing ring 5 15.Further improve reversal valve sealing reliability.
Referring to Fig. 1, described liquid return valve jacket 19 outer wall embedded sealing rings 6 17, back-up ring 6 18, inwall embedded sealing ring 7 20, back-up ring 7 21, sealing ring 6 17 contacts with valve body 2, and sealing ring 7 20 contacts with back fluid spool 22.Further improve reversal valve sealing reliability.
Referring to Fig. 1, embedded sealing ring 8 25 on described back fluid spool 22, sealing ring 8 25 contacts with liquid return valve jacket 19.Further improve reversal valve sealing reliability.
Referring to Fig. 1, described joint 1 end face embedded sealing ring 93, outer wall embedded sealing ring 10, sealing ring 93 contacts with valve body 2.Further improve reversal valve sealing reliability.
Claims (9)
1. a 500L/min plug-in mounting hard sealed change valve, it comprises valve body (2), operating mechanism (27), it is characterized in that: on valve body (2), have two identical working chambers, valve body (2) plane place has inlet and liquid return hole, inlet and liquid return hole communicate with two working chambers, feed liquor valve pocket (8) cover feed liquor spool (10), between feed liquor valve pocket 8 and feed liquor spool (10), place spring one (9), feed liquor valve pocket (8) is withstood in spring one (9) one end, the other end withstands the step of feed liquor spool (10), intermediate sleeve (12) and feed liquor valve pocket (8), feed liquor spool (10), back fluid spool (22), liquid return valve jacket (19) contact, back fluid spool (22) is in liquid return valve jacket (19), intermediate sleeve (12) is withstood in spring two (16) one end, the other end withstands back fluid spool (22) step, feed liquor spool (10) male cone (strobilus masculinus) and intermediate sleeve (12) inner end taper form the hard sealing pair of steel-steel, feed liquor spool (10) inner end taper and back fluid spool (22) end male cone (strobilus masculinus) form the hard sealing pair of steel-steel, feed liquor valve pocket (10), spring one (9), feed liquor spool (10), intermediate sleeve (12), spring two (16), back fluid spool (22), liquid return valve jacket (19) forms a whole set of core assembly, the a whole set of core assembly of working chamber plug-in mounting, joint (1) screws in working chamber as independent component.
2. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, is characterized in that: described valve body (2) is monolithic or slice structure.
3. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, it is characterized in that: difference embedded sealing ring one (4), back-up ring one (5) and sealing ring two (6), back-up ring two (7) in described feed liquor valve pocket (8) inside and outside wall, sealing ring one (4) contacts with feed liquor spool (10), and sealing ring two (6) contacts with valve body (2).
4. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, is characterized in that: between described feed liquor valve pocket (8) and intermediate sleeve (12), clamp sealing ring three (11).
5. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, it is characterized in that: described intermediate sleeve (12) inwall embedding sealing circle four (13), back-up ring four (14), sealing ring four (13) contacts with feed liquor spool (10).
6. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, is characterized in that: between described intermediate sleeve (12) and liquid return valve jacket (19), clamp sealing ring five (15).
7. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, it is characterized in that: described liquid return valve jacket (19) outer wall embedded sealing ring six (17), back-up ring six (18), inwall embedded sealing ring seven (20), back-up ring seven (21), sealing ring six (17) contacts with valve body (2), and sealing ring seven (20) contacts with back fluid spool (22).
8. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, it is characterized in that: the upper embedded sealing ring eight (25) of described back fluid spool (22), sealing ring eight (25) contacts with liquid return valve jacket (19).
9. a kind of 500L/min plug-in mounting hard sealed change valve according to claim 1, it is characterized in that: described joint (1) end face embedded sealing ring nine (3), outer wall embedded sealing ring ten (26), sealing ring nine (3) contacts with valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881850.8U CN203685232U (en) | 2013-12-18 | 2013-12-18 | 500L/min insertion hard sealing reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881850.8U CN203685232U (en) | 2013-12-18 | 2013-12-18 | 500L/min insertion hard sealing reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685232U true CN203685232U (en) | 2014-07-02 |
Family
ID=51007150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881850.8U Expired - Fee Related CN203685232U (en) | 2013-12-18 | 2013-12-18 | 500L/min insertion hard sealing reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087007A (en) * | 2018-01-11 | 2018-05-29 | 浙江中煤液压机械有限公司 | A kind of integral plugged hard seal manual reversing valves of 400L/min |
-
2013
- 2013-12-18 CN CN201320881850.8U patent/CN203685232U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087007A (en) * | 2018-01-11 | 2018-05-29 | 浙江中煤液压机械有限公司 | A kind of integral plugged hard seal manual reversing valves of 400L/min |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |