CN201184206Y - Complete valve barrel splash-proof three-purpose valve - Google Patents
Complete valve barrel splash-proof three-purpose valve Download PDFInfo
- Publication number
- CN201184206Y CN201184206Y CNU200720182745XU CN200720182745U CN201184206Y CN 201184206 Y CN201184206 Y CN 201184206Y CN U200720182745X U CNU200720182745X U CN U200720182745XU CN 200720182745 U CN200720182745 U CN 200720182745U CN 201184206 Y CN201184206 Y CN 201184206Y
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- valve cylinder
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- whole valve
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Abstract
The utility model belongs to the hydraulic machinery pressure control technical field, and particularly relates to an individual hydraulic prop used entire valve fly-prevention three-used valve of an external injection mine. The three-used valve comprises a valve plug consisting of a liquid injection valve body, a connection screw rod and a safety valve sleeve, and is characterized in that no external thread is arranged on the safety valve sleeve; no internal thread is arranged on an entire valve cylinder; the valve plug is installed in the entire valve cylinder; an unloading locating sleeve is helically installed at the right end of the entire valve cylinder; a steel cable baffle ring is embedded in a ring-shaped groove at the left end of the entire valve cylinder; an O-shaped sealing ring is sleeved in a ring-shaped groove outside the entire valve cylinder. The entire valve cylinder structure of the utility model eliminates the pull-out and the fly-away hidden troubles of the screwing threads of a left split valve cylinder and a right split valve cylinder at high pressure. The steel cable baffle ring anti-fly structure simplifies the manufacture and assembly process of the valve cylinder. and facilitates the assembly and disassembly of the valve body.
Description
Technical field
The utility model belongs to hydraulic machinery pressure control technology field, specifically is that external poured colliery hydraulic prop prevents flying triple-use valve with whole valve cylinder.
Background technology
Triple-use valve is the abbreviation of fluid injection one way valve, feather valve and safety valve.Its effect is operation and the carrying of control external poured mine individual hydraulic prop setting prop, and overloading allows pressure and fall post.The current mining outside injection type hydraulic pillar triple-use valve that generally uses mostly is the modified of the DZF-00A that develops of coal academy of sciences Beijing unit of grade of exploitation institute, i.e. DZF-00B type.Though this triple-use valve is the anti-type that flies, fly damage accident and still happen occasionally producing to collapse because of the high pressure pull-off in using, the valve cylinder pull-off damages and causes the work plane canopy roof fall accident that collapses that report is also often arranged.Trace it to its cause and mainly be: what DZF-00B type triple-use valve adopted is split type valve cylinder structure, its left and right valve cylinder internal and external threads screws the high-pressure work district that section is not avoided valve, left and right valve cylinder is after screw thread screws, two technology escapes of internal and external screw thread have formed two annular stress surfaces in the higher-pressure region of valve, collapse to the pull-off of valve cylinder to fly to have stayed potential risk; Reach the internal thread on the limit, the right hole of right valve cylinder in the fluid injection aperture of left side valve cylinder, the present position is all on the limit, aperture, very easily cause the mechanical damage and the corrosion of screw thread to damage, make it prevent that flying reliability has a greatly reduced quality, its complex structure of while, processing technology is loaded down with trivial details, all brings inconvenience for the assembling of fluid injection valve body and safe valve pocket and dismounting; Split type valve cylinder is after repeatedly dismantling, disintegrate, assemble, debug, keeping in repair, and internal and external threads all can have corrosion abrasion and mechanical damage in various degree, and accuracy class can't reach former designing requirement, and the security reliability and the application life of valve cylinder also decrease.
Summary of the invention
The purpose of this utility model is to overcome existing existing above-mentioned defective of triple-use valve and deficiency with hydraulic prop, provides a kind of external poured colliery hydraulic prop to prevent flying triple-use valve with whole valve cylinder.It is not only simple in structure but also do not have pull-off and collapse and fly hidden danger; Make fluid injection valve body and safe valve pocket anti-to fly measure more simple, and be convenient to assembling, dismounting, debugging and maintenance.
For achieving the above object, the anti-technical scheme that flies triple-use valve of the whole valve cylinder of the utility model comprises the spool of being made up of fluid injection valve body, connecting screw rod, safe valve pocket.It is characterized in that: this whole valve cylinder prevents that flying triple-use valve is provided with whole valve cylinder, whole valve cylinder right-hand member is established external screw thread, the left end internal orifice is established annular groove, radially be provided with the back-up ring removal hole over against the annular groove place, axially there are four radial holes at the middle part along the external diameter circle distribution, and the both sides of radial hole are provided with two annular grooves; In the whole valve cylinder spool is installed, right-hand member is screwed with the unloading positioning sleeve, is embedded with elastic spring in the annular groove of left end internal orifice, and elastic spring is the open annular circle, is set with O-ring seals in the outside annular groove.The left end of unloading positioning sleeve is established internal thread, and right-hand member radially is provided with unloading handgrip socket, is axially arranged with the screw pressure modulating opening.
The beneficial effects of the utility model are: integral valve barrel structure design has thoroughly been stopped high pressure pull-off that left and right split valve cylinder screws screw thread and has been collapsed and fly hidden danger, thereby has improved the security reliability and the whole service life of triple-use valve; Elastic spring is anti-to fly structure, has simplified the manufacturing and the assembly technology of valve cylinder, has made things convenient for the assembly and disassembly of valve body, brings great convenience for the debugging work of triple-use valve.
Description of drawings
Fig. 1 is a full sectional view of the present utility model.
Fig. 2 is the front view and the side cutaway view of elastic spring
Among the figure 1, elastic spring, 2, the fluid injection valve body, 3, the O RunddichtringO, 4, connecting screw rod, 5, whole valve cylinder, 6, safe valve pocket, 7, the unloading positioning sleeve, 8, unloading handgrip socket, 9, the screw pressure modulating opening, 10, radial hole, 11, the back-up ring removal hole.
The specific embodiment
As shown in Figure 1, the utility model is basic identical with the DZF-00B type triple-use valve that generally uses at present, and institute's difference comprises: whole valve cylinder 5, safe valve pocket 6; Increasing part newly comprises: elastic spring 1, unloading positioning sleeve 7; Cancelled original right valve cylinder.Whole valve cylinder 5 is to add the right-hand member that grows to safety valve cover 6 on the basis of former left valve cylinder to the right, and axially there are four radial holes 10 at the middle part along the external diameter circle distribution, and the both sides of radial hole 10 are provided with two annular grooves, and O-ring seals 3 is embedded in the annular groove.Whole valve cylinder 5 is not established internal thread, and the left end internal orifice is provided with the annular groove supporting with elastic spring 1, radially is provided with back-up ring removal hole 11 over against the annular groove place; Right-hand member is established external screw thread.The left end of newly-increased unloading positioning sleeve 7 is established internal thread, with supporting connection of external screw thread of whole valve cylinder 5 right-hand members; Right-hand member radially is provided with unloading handgrip socket 8, is axially arranged with screw pressure modulating opening 9.Cancel the external screw thread of safe valve pocket 6, promptly the safety valve nested structure with DZF-00A type triple-use valve is identical.Newly-increased elastic spring 1 is a rigid metal open annular circle, is installed in the annular groove of whole valve cylinder 5 left end internal orifices.
The integrally-built design of the utility model valve cylinder has improved the structural strength of whole valve cylinder 5, has thoroughly eliminated split type valve cylinder and has screwed the screw thread pull-off and collapse the inherent hidden danger that flies.Cancelled the annular escape in the former valve cylinder, made the high-pressure work district not have the annular working face of working solution, thoroughly eliminated split type valve cylinder pull-off and collapsed the external hidden danger that flies to two ends generation pull-off active force.The external screw thread of whole valve cylinder 5 right-hand members has been avoided the hydraulic district, does not bear liquid force, provides assembling to connect just for unloading positioning sleeve 7.Fluid injection valve body 2 and connecting screw rod 4 screw screw thread just in case pull-off, the elastic spring 1 that fluid injection valve body 2 is installed in whole valve cylinder 5 left apertures stops, can not fly out and hurt sb.'s feelings.Safe valve pocket 6 and connecting screw rod 4 screw screw thread just in case pull-off, safe valve pocket 6 unloaded positioning sleeves 7 stop, can not fly out and hurt sb.'s feelings.The setting of elastic spring 1 has solved that original thread is anti-to fly screw thread in the structure easily to be mechanically damaged the anti-reliability that flies of damaging with corrosion and causing low, the 2 dismounting inconvenience of fluid injection valve body, problem such as triple-use valve application life is short.
Claims (3)
1, whole valve cylinder prevents that flying triple-use valve comprises the spool of being made up of fluid injection valve body (2), connecting screw rod (4), safe valve pocket (6), it is characterized in that: this whole valve cylinder prevents that flying triple-use valve is provided with whole valve cylinder (5), whole valve cylinder right-hand member is established external screw thread, the left end internal orifice is established annular groove, radially be provided with back-up ring removal hole (11) over against the annular groove place, axially there are four radial holes (10) at the middle part along the external diameter circle distribution, and the both sides of radial hole are provided with two annular grooves; Spool is installed in the whole valve cylinder, and unloading positioning sleeve (7) spiral shell is contained in the right-hand member of whole valve cylinder.
2, the anti-triple-use valve that flies of whole valve cylinder according to claim 1, it is characterized in that: in the annular groove of whole valve cylinder (5) left end internal orifice, be embedded with elastic spring (1), elastic spring is the open annular circle, is set with 0 shape sealing ring (3) in the outside annular groove.
3, whole valve cylinder according to claim 1 is anti-flies triple-use valve, and it is characterized in that: the left end of unloading positioning sleeve (7) is established internal thread, and right-hand member radially is provided with unloading handgrip socket (8), is axially arranged with screw pressure modulating opening (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720182745XU CN201184206Y (en) | 2007-10-09 | 2007-10-09 | Complete valve barrel splash-proof three-purpose valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720182745XU CN201184206Y (en) | 2007-10-09 | 2007-10-09 | Complete valve barrel splash-proof three-purpose valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184206Y true CN201184206Y (en) | 2009-01-21 |
Family
ID=40271946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720182745XU Expired - Fee Related CN201184206Y (en) | 2007-10-09 | 2007-10-09 | Complete valve barrel splash-proof three-purpose valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184206Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174442A (en) * | 2013-03-30 | 2013-06-26 | 淮北安来机电装备有限公司 | Exchangeable three-use valve cylinder base of mining single hydraulic prop |
| CN111005746A (en) * | 2019-12-28 | 2020-04-14 | 扬州瀚泰机械有限公司 | Three-purpose valve for single hydraulic prop |
-
2007
- 2007-10-09 CN CNU200720182745XU patent/CN201184206Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174442A (en) * | 2013-03-30 | 2013-06-26 | 淮北安来机电装备有限公司 | Exchangeable three-use valve cylinder base of mining single hydraulic prop |
| CN103174442B (en) * | 2013-03-30 | 2016-12-14 | 淮北安来机电装备有限公司 | Exchangeable three-use valve cylinder base of mining single hydraulic prop |
| CN111005746A (en) * | 2019-12-28 | 2020-04-14 | 扬州瀚泰机械有限公司 | Three-purpose valve for single hydraulic prop |
| CN111005746B (en) * | 2019-12-28 | 2021-04-30 | 扬州瀚泰机械有限公司 | Three-purpose valve for single hydraulic prop |
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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: 20090121 Termination date: 20131009 |