CN205877255U - Top mounted ball valve that on -line maintenance can dismantle fast - Google Patents
Top mounted ball valve that on -line maintenance can dismantle fast Download PDFInfo
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- CN205877255U CN205877255U CN201620744744.9U CN201620744744U CN205877255U CN 205877255 U CN205877255 U CN 205877255U CN 201620744744 U CN201620744744 U CN 201620744744U CN 205877255 U CN205877255 U CN 205877255U
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- valve seat
- seat
- thrust bearing
- line maintenance
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Abstract
The utility model relates to a top mounted ball valve that on -line maintenance can dismantle fast. Mainly solve current top mounted ball valve and dismantled awkward problem on line. The valve body is equipped with disk seat hole I, disk seat hole II and disk seat hole III, and disk seat, thrust bearing and fixing base have been put into respectively to disk seat hole I, disk seat hole II and disk seat hole III, and fixed connection between thrust bearing and the disk seat, thrust bearing are equipped with the spring hole and at the spring hole cylinder elastic component of packing into, it is the pressure chamber that fixing base, disk seat, thrust bearing, disk seat hole I and disk seat hole II have formed an inclosed chamber, is equipped with through -hole and interface intercommunication on the valve body of pressure chamber upper portion, the ready -packaged joint is installed to the kneck. On the reasonable reliable and simple of this top mounted ball valve that on -line maintenance can dismantle fast structural design, pressure joint arrange the valve body in, the stable performance, the practicality is strong.
Description
Technical field
This utility model relates to valve technology field, a kind of quick-detachable top mounting ball valve of on-line maintenance.
Background technology
Fixing ball valve uses upper dress formula structure, it is possible to meeting the requirement that on-line maintenance is safeguarded, current top-loading ball valve is often
Complexity, dismounting also causes high effort for, and is so not easy to quick on-line maintenance maintenance activity.
Chinese patent document CN 205047888 U discloses stack valve seat and guides self-align top-loading ball valve, and this practicality is new
The stack valve seat of type guides self-align top-loading ball valve, simple in construction, and easy to operate, combination wrenches instrument, screw and guiding are certainly
Positioning rail groove gets final product the precession of control valve seat and screws out the installation and removal realized spheroid, convenient enforcement on-line maintenance.But
Above-mentioned patent there is also deficiency, the i.e. precession of heavy caliber valve seat equally and screws out the shearing only leaning on a screw position spring force to be overcome
And the active force of guide rail, it tends to be difficult to realize.
Chinese patent document CN 201884701 U discloses a kind of quick detachable upper dress ball valve, a kind of through valve by arranging
Body, head is the fixed valve body lock that wedge shape can limit seating position, when unclamping fixed valve body lock, can realize seating position
Retreat, but above-mentioned patent document exists following defect, owing to fixed valve body locks valve body to be penetrated therefore add the dew point that leaks, and
And fixed valve body lock is not suitable for high pressure large bore valves.
Chinese patent document CN 102777624 A discloses dress formula on-bne repair ball valve in one, this structure trim ring end
The inner side end of face and bulge loop, and the inner headed face of valve seat surrounds a pressure chamber closed, and is provided with compression spring in this pressure chamber,
It is unfavorable for the pre-tightening seal of valve seat；Simultaneously must be extra during pressure chamber entrance pressure a reseting cavity, such valve seat workpiece position are set
Put bigger；Compression fittings is arranged on trim ring, connects along with the turbulent flow of valve lumen medium is likely to result in pressure in opening-closing process
Head is in the variation of circumferential position, and unfavorable and external pressure source joint connection, take out at spheroid, after pressure chamber medium is released,
A power part for back-moving spring passes to spacing back-up ring by compression spring, the taking-up of this back-up ring when being unfavorable for dismantling valve seat.
Utility model content
In order to overcome the deficiency of background technology, this utility model provides a kind of on-line maintenance quick-detachable top dress ball
Valve, mainly solves existing top mounting ball valve and dismantles awkward problem online, this on-line maintenance quick-detachable top dress ball
Valve arrangement is reasonable in design simple, it is adaptable to the on-line maintenance of the top-loading ball valve of different bores or maintenance, good airproof performance, with
Time compression fittings be placed on valve body 1, stable performance, dismounting aspect convenient power-saving, practical.
This utility model be the technical scheme is that a kind of quick-detachable top mounting ball valve of on-line maintenance, including valve
Body, spheroid, stud, valve gap and valve rod, described spheroid is placed in valve body, and valve rod connects spheroid, and valve gap is placed in above valve body and leads to
Crossing stud connected fixing, described valve body is provided with valve seat orifice I, valve seat orifice II and valve seat orifice III, described valve seat orifice I, valve seat orifice
II and valve seat orifice III be respectively implanted valve seat, thrust bearing and fixing seat, fixing between described thrust bearing and valve seat be connected, described in push away
Power seat is provided with spring eye and loads cylindrical elastomer part, described fixing seat, valve seat, thrust bearing and valve seat orifice I and valve at this spring eye
Bore II defines an i.e. pressure chamber in airtight chamber, and described pressure chamber upper body is provided with through hole and orifice.
Described valve body is provided with confined planes, elastic component supporting surface, disc spring supporting surface, and described valve seat is provided with valve seat confined planes I, valve
Seat groove, valve seat axle I, valve seat confined planes II and valve seat axle II.
Described fixing seating is outside valve seat axle II.
Being provided with disc spring in described pressure chamber, disc spring is placed on valve seat axle II, and disc spring one end overhead is in fixing seat end face, one end
It is pressed on disc spring supporting surface.
Thrust bearing is placed in above valve seat axle I, and end face contacts with valve seat confined planes II, and it is recessed that other end overhead loads valve seat
The outer back-up ring of groove.
Being additionally provided with inner shield ring on described valve body, inner shield ring is provided with fixing seat away from a side contacts of spheroid.
It is provided with valve seat between described fixing seat and valve seat and makes a concession chamber.
Described seam is provided with ready-packaged joint.
It is provided with sealing ring between described fixing seat and valve body and valve seat, is provided with close between described thrust bearing and valve body and valve seat
Seal.
The beneficial effects of the utility model are: owing to taking technique scheme, effectively improve existing top mounting ball valve and exist
Awkward problem dismantled by line, and this on-line maintenance quick-detachable top mounting ball valve reasonable in design is simple, is suitable for
In the on-line maintenance of top-loading ball valve or maintenance, the good airproof performance of different bores, compression fittings is placed on valve body 1 simultaneously, performance
Stable, dismounting aspect convenient power-saving, practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is partial enlarged drawing in Fig. 1.
The same Fig. 2 of Fig. 3.
Fig. 4 is the Unclosing structure schematic diagram that Fig. 2 connects pressure source 16.
In figure 1, valve body；101, confined planes；102, elastic component supporting surface；103, disc spring supporting surface；104, interface；105, valve
Bore I；106, valve seat orifice II；2, spheroid；3, stud；4, valve gap；5, valve rod；6, elastic component；7, outer back-up ring；8, valve seat；
801, valve seat confined planes I；802, valve seat groove；803, valve seat axle I；804, valve seat confined planes II；805, valve seat axle II；9, seal
Circle；10, thrust bearing；11, disc spring；12, chamber is made a concession；13, fixing seat；14, inner shield ring；15, ready-packaged joint；16, pressure source；17、
Pressure chamber.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model embodiment is described further.
As Fig. 1 combines shown in Fig. 2, Fig. 3, Fig. 4, a kind of quick-detachable top mounting ball valve of on-line maintenance, including valve body 1,
Spheroid 2, stud 3, valve gap 4 and valve rod 5, described spheroid 2 is placed in the inner chamber of valve body 1, valve rod 5 through valve gap 4 mesopore and head with
Spheroid 1 is by bonded, and valve body 1 top is provided with middle flange and is drilled with screwed hole and valve gap 4 and is connected by stud 3 and fixes, and it is tied
Conjunction face place is provided with elastic seal ring and elastomeric pad, and described valve body 1 is provided with valve seat orifice I 105, valve seat orifice II 106 and valve seat orifice III
107, described valve seat orifice I 105, valve seat orifice II 106 and valve seat orifice III 107 have been respectively implanted valve seat 8, thrust bearing 10 and fixing seat
13, fixing be connected by outer back-up ring 7 is spacing between described thrust bearing 10 and valve seat 8, described thrust bearing 10 be provided with spring eye and
Spring eye loads cylindrical elastomer part 6, and described fixing seat 13, valve seat 8, thrust bearing 10, valve seat orifice I 105 and valve seat orifice II 106 are formed
One airtight chamber i.e. pressure chamber 17, described pressure chamber 17 upper body 1 is provided with through hole and connects with interface 104, described in connect
Being provided with ready-packaged joint 15 at mouth 104, ready-packaged joint 15 connects external pressure source 16, and pressure source 16 can be right by ready-packaged joint 15
Pressure chamber 17 carries out pressurising, and when pressure chamber 17 is by ready-packaged joint 15 entrance pressure, pressure promotes thrust bearing 10 compression elastic piece 6 also
Driving valve seat 8 to depart from spheroid 2, after taking out spheroid 2, elastic component 6 promotes thrust bearing 10 to move to valve body 1 center, by compression bullet
Property part 6 extend to free height elastic force discharge.
Described valve body 1 is provided with confined planes 101, elastic component supporting surface 102, disc spring supporting surface 103, described elastic component 6 one end
Contacting with elastic component supporting surface 102, the other end is placed in the spring eye of thrust bearing 10, and elastic component 6 promotes thrust bearing 10 and drives
Valve seat 8 holds spheroid 2 tightly to realize pre-tightening seal, and elastic component 6 is preferably used cylindrical spring, and described valve seat 8 is provided with valve seat confined planes I
801, valve seat groove 802, valve seat axle I 803, valve seat confined planes II 804 and valve seat axle II 805, described confined planes 101 is for valve seat
8 spacing, when pressure chamber 17 entrance pressure, thrust bearing 10 drives valve seat 8 to retreat, until valve seat confined planes I 801 acts on confined planes
On 101, valve seat confined planes I 801 overlaps with confined planes 101, and valve seat 8 no longer retreats, now valve seat 8 and spheroid 2 end face formed away from
From X.
Described fixing seat 13 is placed on valve seat axle II 805, is provided with disc spring 11 in described pressure chamber 17, and disc spring 11 is placed in valve
On seat axle II 805, disc spring 11 one end overhead is pressed on disc spring supporting surface 103 in fixing seat 13 end face, one end, spring supporting face
103 support for disc spring 11.
Being additionally provided with inner shield ring 14 on described valve body 1, inner shield ring 14 is provided with fixing seat 13 away from a side contacts of spheroid, described
Fixing seat 13 is spacing by inner shield ring 14, and the effect lower fixed seat 13 in disc spring 11 is adjacent to inner shield ring 14.
Described thrust bearing 10 is placed on valve seat axle I 803 and thrust bearing 10 end face contacts with valve seat confined planes II 804,
The other end is fixed on the outer back-up ring 7 loading valve seat groove 802.
It is provided with valve seat between described fixing seat 13 and valve seat 8 and makes a concession chamber 12.
Described valve seat 8 is provided with sealing surface and spheroid 2 surface and forms sealing pair, described fixing seat 13 and valve body 1 and valve seat 8 it
Between be provided with sealing ring 9, be provided with sealing ring 9 between described thrust bearing 10 and valve body 1 and valve seat 8, i.e. thrust bearing 10 and valve body 1 it
Between, between thrust bearing 10 and valve seat 8, fixing between seat 13 and valve seat 8, fix and between seat 13 and valve seat 8, be equipped with sealing ring 9,
Guarantee the sealing of pressure chamber 17, it is achieved effective sealing of valve seat.
Be first turned off valve line pressure in operation and guarantee intracavity mediator depletion in valve, dismantle valve gap 4 with
Valve body 1 connecting bolt 3 also pulls down valve gap 4, is emptied the medium of pressure chamber 17 by the ready-packaged joint 15 on valve body 1；Secondly will outward
Boundary's pressure source 16 is connected and introduces pressure with ready-packaged joint 15 on valve body 1, and described pressure source can be selected for pneumatic supply or hydraulic power source；?
Under pressure effect, thrust bearing 10 drives valve seat 8 to deviate from spheroid 2, until valve seat confined planes I 801 overlaps with valve body confined planes 101, this
Time spheroid 2 end face and valve seat 8 face opening distance be setting value X, described X value can make spheroid 2 from lumen hang out and not with valve seat 8
Produce and interfere, hang out spheroid 2 from valve body 1 top, pressure chamber 17 pressure of finally releasing, and take pressure source 16 and ready-packaged joint 15 apart
Connection, thrust bearing 10 elastic component 6 act under move to valve body 1 center position, elastic component 6 pressure discharge, be in free shape
State, pulls down part in inner shield ring 14 and each valve seat orifice, overhauls, and carries out order according to actual needs and pacify during valve part refitting
Row.
This utility model effectively improves existing top mounting ball valve and dismantles awkward problem online, and this on-line maintenance can be fast
The top mounting ball valve reasonable in design of quick-detach is simple, it is adaptable to the on-line maintenance of the top-loading ball valve of different bores or dimension
Protecting, good airproof performance, compression fittings is placed on valve body 1 simultaneously, stable performance, and dismounting aspect convenient power-saving is practical.
Every technical staff's notice: although this utility model describes according to above-mentioned detailed description of the invention, but this
The invention thought of utility model is not limited to that utility model, the repacking of any utilization inventive concept, all will include this in specially
In profit scope of patent protection.
Claims (9)
1. the quick-detachable top mounting ball valve of on-line maintenance, including valve body (1), spheroid (2), stud (3), valve gap (4) and
Valve rod (5), in described spheroid (2) is placed in valve body (1), valve rod (5) connects spheroid (2), valve gap (4) be placed in valve body (1) top and
It is connected fixing by stud (3), it is characterised in that: described valve body (1) is provided with valve seat orifice I (105), valve seat orifice II (106)
And valve seat orifice III (107), described valve seat orifice I (105), valve seat orifice II (106) and valve seat orifice III (107) have been respectively implanted valve seat
(8), thrust bearing (10) and fixing seat (13), fixing between described thrust bearing (10) with valve seat (8) be connected, described thrust bearing (10)
It is provided with spring eye and loads cylindrical elastomer part (6), described fixing seat (13), valve seat (8), thrust bearing (10) and valve at this spring eye
Bore I (105) and valve seat orifice II (106) define the i.e. pressure chamber in an airtight chamber (17), described pressure chamber (17) upper valve
Body (1) is provided with through hole and connects with interface (104).
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 1, it is characterised in that: described valve body
(1) being provided with confined planes (101), elastic component supporting surface (102), disc spring supporting surface (103), it is spacing that described valve seat (8) is provided with valve seat
Face I (801), valve seat groove (802), valve seat axle I (803), valve seat confined planes II (804) and valve seat axle II (805).
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 2, it is characterised in that: described fixing
Seat (13) is nested with on valve seat axle II (805).
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 2, it is characterised in that: described pressure
Being provided with disc spring (11) in chamber (17), disc spring (11) is placed on valve seat axle II (805), and disc spring (11) one end overhead is in fixing seat (13)
End face, one end is pressed on disc spring supporting surface (103).
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 2, it is characterised in that: thrust bearing
(10) being nested with on valve seat axle I (803), and end face contacts with valve seat confined planes II (804), it is recessed that other end overhead loads valve seat
The outer back-up ring (7) of groove (802).
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 1, it is characterised in that: described valve body
(1) being additionally provided with inner shield ring (14) on, inner shield ring (14) is provided with fixing seat (13) away from a side contacts of spheroid.
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 1, it is characterised in that: described consolidates
It is provided with valve seat between reservation (13) and valve seat (8) and makes a concession chamber (12).
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 1, it is characterised in that: described interface
(104) place is provided with ready-packaged joint (15).
A kind of quick-detachable top mounting ball valve of on-line maintenance the most according to claim 1, it is characterised in that: described fixing
Be provided with between seat (13) and valve body (1) and valve seat (8) sealing ring (9), described thrust bearing (10) and valve body (1) and valve seat (8) it
Between be provided with sealing ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620744744.9U CN205877255U (en) | 2016-07-13 | 2016-07-13 | Top mounted ball valve that on -line maintenance can dismantle fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620744744.9U CN205877255U (en) | 2016-07-13 | 2016-07-13 | Top mounted ball valve that on -line maintenance can dismantle fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205877255U true CN205877255U (en) | 2017-01-11 |
Family
ID=57694870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620744744.9U Active CN205877255U (en) | 2016-07-13 | 2016-07-13 | Top mounted ball valve that on -line maintenance can dismantle fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205877255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763873A (en) * | 2017-03-17 | 2017-05-31 | 西诺威阀门控制（苏州）有限公司 | Orbit ball valve detachable valve seat |
| CN106812965A (en) * | 2017-03-24 | 2017-06-09 | 慎江阀门有限公司 | A kind of flat gate valve of the online fast assembling-disassembling maintenance of energy |
-
2016
- 2016-07-13 CN CN201620744744.9U patent/CN205877255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763873A (en) * | 2017-03-17 | 2017-05-31 | 西诺威阀门控制（苏州）有限公司 | Orbit ball valve detachable valve seat |
| CN106812965A (en) * | 2017-03-24 | 2017-06-09 | 慎江阀门有限公司 | A kind of flat gate valve of the online fast assembling-disassembling maintenance of energy |
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| GR01 | Patent grant |