CN208686995U - A kind of Leakproof spherical valve - Google Patents
A kind of Leakproof spherical valve Download PDFInfo
- Publication number
- CN208686995U CN208686995U CN201821191995.4U CN201821191995U CN208686995U CN 208686995 U CN208686995 U CN 208686995U CN 201821191995 U CN201821191995 U CN 201821191995U CN 208686995 U CN208686995 U CN 208686995U
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- China
- Prior art keywords
- ball valve
- rod
- mouth
- ring
- stopper rod
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Abstract
The utility model discloses a kind of Leakproof spherical valves, including ball valve body and pedestal, ball valve body upper end side is equipped with handle, the handle side is equipped with spanner, the spanner side is equipped with connector, the connector lower end is equipped with valve rod, the valve rod lower end is equipped with faucet body, faucet hole is equipped with inside the faucet body, the faucet hole side is equipped with the first ball valve mouth, the first ball valve mouth side is equipped with the second ball valve mouth, filler is equipped with inside the ball valve body, graphite lantern ring is equipped with inside the filler, subring is equipped with inside the graphite lantern ring, the subring two sides are equipped with external seal rubber ring, by being provided with stopper rod, when needing to open ball valve, first stopper rod is screwed out, it is balanced at this time with the first ball valve mouth and the second ball valve mouth pressure at both sides by gas relief line, it greatly reduces when opening ball valve because of pressure Ball valve inter deterioration caused by power is uneven, ensure that the leakproofness of ball valve.
Description
Technical field
The utility model relates to a kind of ball valves, more particularly, to a kind of Leakproof spherical valve.
Background technique
Ball valve, opening and closing element are driven by valve rod, and the valve to rotate around ball valve axis.Also it can be used for the adjusting of fluid
With control, wherein firmly sealing its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy between have very strong shearing
Power, the medium especially suitable for fibre-bearing, small solid pellet etc..And multi-pass ball valve not only can flexibly control medium on pipeline
Interflow, shunt and flow direction switching, while any channel can also be closed and make other two channel be connected.This class valve exists
It should be generally horizontally mounted in pipeline.Ball valve is divided into according to driving method: pneumatic ball valve, electrical ball valve, manual ball valve.
Ball valve when in use when, often because ball valve two sides pressure imbalance cause open ball valve when, adjust bolt
Required power is excessive, and rotary valve rod and faucet body will lead to abrasion energetically, and long-time service is extremely difficult to good initial sealing effect
Fruit, so as to cause leakage problem appearance.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of Leakproof spherical valve, to solve
The certainly above problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of Leakproof spherical valve, including ball valve body
And pedestal, ball valve body upper end side are equipped with handle, the handle side is equipped with spanner, and the spanner side is equipped with connection
Head, the connector lower end are equipped with valve rod, and the valve rod lower end is equipped with faucet body, is equipped with faucet hole, institute inside the faucet body
Faucet hole side is stated equipped with the first ball valve mouth, the first ball valve mouth side is equipped with the second ball valve mouth, inside the ball valve body
Equipped with filler, it is equipped with graphite lantern ring inside the filler, is equipped with subring inside the graphite lantern ring, the subring two sides are equal
Equipped with external seal rubber ring, interior protection ceramic ring is equipped with inside the external seal rubber ring, the ball valve body lower end is equipped with bottom
Seat, the pedestal side are equipped with runner, and the runner side is equipped with threaded rod, and the threaded rod side is equipped with rubber gasket,
The rubber gasket side is equipped with stopper rod, and the stopper rod side is equipped with graphite-seal ring, and the graphite-seal ring side is equipped with
Cavity, the cavity inside are equipped with nut block
As a kind of optimal technical scheme of the utility model, the chassis interior is equipped with gas relief line, and gas relief line
It is connect respectively with the first ball valve mouth and the second ball valve mouth.
As a kind of optimal technical scheme of the utility model, the subring is made of powdered metallurgical material.
As a kind of optimal technical scheme of the utility model, the stopper rod and cavity protrude body fit, and stopper rod
It inlays and connect with cavity.
As a kind of optimal technical scheme of the utility model, the rubber gasket is fixedly connected on stopper rod surface, and
Stopper rod is fixedly connected with threaded rod.
As a kind of optimal technical scheme of the utility model, the threaded rod is fixedly connected with runner, and nut block and
Threaded rod is threadedly coupled.
Compared with prior art, the utility model has the beneficial effects that this kind of Leakproof spherical valve, by being provided with stopper rod,
When needing to open ball valve, first stopper rod is screwed out, passes through relief pipe with the first ball valve mouth and the second ball valve mouth pressure at both sides at this time
Road is balanced, and is greatly reduced when opening ball valve because ball valve inter deterioration caused by pressure imbalance, ensure that ball valve
Leakproofness, by being provided with subring and interior protection ceramic ring, by the subring of powder metallurgy material with valve rod friction, meeting
Lubricating oil is generated, the rotation friction of valve rod, while interior protection ceramic ring and valve rod friction are reduced, external packer ring carries out
Protection, improves external seal rubber ring service life, ensure that sealing effect, scientific and reasonable for structure, safe and convenient to use, is people
Provide a great help.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of Leakproof spherical valve structural schematic diagram described in the utility model；
Fig. 2 is a kind of Leakproof spherical valve partial structural diagram described in the utility model；
Fig. 3 is a kind of filler schematic diagram of internal structure described in the utility model；
In figure: 1, connector；2, valve rod；3, filler；4, graphite lantern ring；5, ball valve body；6, faucet body；7, faucet hole；
8, the first ball valve mouth；9, pedestal；10, the second ball valve mouth；11, handle；12, spanner；13, graphite-seal ring；14, cavity；15, spiral shell
Mother tuber；16, runner；17, threaded rod；18, rubber gasket；19, stopper rod；20, external seal rubber ring；21, subring；22, interior
Protect ceramic ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of Leakproof spherical valve, including 5 He of ball valve body
Pedestal 9,5 upper end side of ball valve body are equipped with handle 11, and 11 side of handle is equipped with spanner 12, and 12 side of spanner is equipped with connector 1,
1 lower end of connector is equipped with valve rod 2, and 2 lower end of valve rod is equipped with faucet body 6, is equipped with faucet hole 7,7 side of faucet hole inside faucet body 6
Equipped with the first ball valve mouth 8,8 side of the first ball valve mouth is equipped with the second ball valve mouth 10, is equipped with filler 3, filler 3 inside ball valve body 5
Inside is equipped with graphite lantern ring 4, is equipped with subring 21 inside graphite lantern ring 4, and 21 two sides of subring are equipped with external seal rubber ring 20,
Interior protection ceramic ring 22 is equipped with inside external seal rubber ring 20,5 lower end of ball valve body is equipped with pedestal 9, and 9 side of pedestal is equipped with runner
16,16 side of runner is equipped with threaded rod 17, and 17 side of threaded rod is equipped with rubber gasket 18, and 18 side of rubber gasket is equipped with plug
Bar 19,19 side of stopper rod are equipped with graphite-seal ring 13, and 13 side of graphite-seal ring is equipped with cavity 14, is equipped with nut inside cavity 14
Block 15.
Gas relief line is equipped with inside pedestal 9, and gas relief line is connect with the first ball valve mouth 8 and the second ball valve mouth 10 respectively.
Subring 21 is made of powdered metallurgical material.
Stopper rod 19 and cavity 14 protrude body fit, and stopper rod 19 is inlayed with cavity 14 and connect.Rubber gasket 18 is solid
Surely it is connected to 19 surface of stopper rod, and stopper rod 19 is fixedly connected with threaded rod 17.
Threaded rod 17 is fixedly connected with runner 16, and nut block 15 and threaded rod 17 are threadedly coupled.
Concrete principle: in use, threaded rod 17 can be driven to rotate by rotating wheel 16, so that threaded rod 17 be made to drive plug
Bar 19 blocks gas relief line, and graphite lantern ring 4 is sealed cavity 14 and 19 junction of stopper rod, while threaded rod 17 squeezes rubber
Glue gasket 18 further seals cavity 14 and 19 inlet of stopper rod, guarantees the sealing of ball valve, when needing to open ball valve
When, first stopper rod 19 is screwed out, is carried out at this time with the first ball valve mouth 8 and 10 pressure at both sides of the second ball valve mouth by gas relief line flat
Weighing apparatus blocks connector 1 by spanner 12 and rotates with ovable valve stem 2 at this time again by holding handle 11, so that faucet body 6 be driven to revolve
Turn, 7 the first ball valve of connection mouth 8 of faucet hole and 10 two sides of the second ball valve mouth is made to pass through powder metallurgy material when valve rod 2 rotates
Subring 21 rubs with valve rod 2, can generate lubricating oil, reduces the rotation friction of valve rod 2, at the same interior protection ceramic ring 22 and
Valve rod 2 rubs, and external packer ring 20 is protected, and 20 service life of external seal rubber ring is improved, and ensure that sealing effect
Fruit.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of Leakproof spherical valve, including ball valve body (5) and pedestal (9), which is characterized in that ball valve body (5) upper end
Side is equipped with handle (11), and handle (11) side is equipped with spanner (12), and spanner (12) side is equipped with connector (1),
Connector (1) lower end is equipped with valve rod (2), and valve rod (2) lower end is equipped with faucet body (6), sets inside the faucet body (6)
Have faucet hole (7), faucet hole (7) side is equipped with the first ball valve mouth (8), and the first ball valve mouth (8) side is equipped with second
Ball valve mouth (10), the ball valve body (5) is internal to be equipped with filler (3), is equipped with graphite lantern ring (4) inside the filler (3), described
Subring (21) are equipped with inside graphite lantern ring (4), subring (21) two sides are equipped with external seal rubber ring (20), described outer
Interior protection ceramic ring (22) is equipped with inside packer ring (20), ball valve body (5) lower end is equipped with pedestal (9), the bottom
Seat (9) side is equipped with runner (16), and runner (16) side is equipped with threaded rod (17), and threaded rod (17) side is equipped with rubber
Glue gasket (18), rubber gasket (18) side are equipped with stopper rod (19), and stopper rod (19) side is equipped with graphite grazing
Ring (13), graphite-seal ring (13) side are equipped with cavity (14), are equipped with nut block (15) inside the cavity (14).
2. a kind of Leakproof spherical valve according to claim 1, which is characterized in that be equipped with relief pipe inside the pedestal (9)
Road, and gas relief line is connect with the first ball valve mouth (8) and the second ball valve mouth (10) respectively.
3. a kind of Leakproof spherical valve according to claim 1, which is characterized in that the subring (21) is powder metallurgy material
Material is made.
4. a kind of Leakproof spherical valve according to claim 1, which is characterized in that the stopper rod (19) and cavity (14) are protruded
Body fit, and stopper rod (19) is inlayed with cavity (14) and is connect.
5. a kind of Leakproof spherical valve according to claim 1, which is characterized in that the rubber gasket (18) is fixedly connected
In stopper rod (19) surface, and stopper rod (19) is fixedly connected with threaded rod (17).
6. a kind of Leakproof spherical valve according to claim 1, which is characterized in that the threaded rod (17) and runner (16) are solid
Fixed connection, and nut block (15) and threaded rod (17) are threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191995.4U CN208686995U (en) | 2018-07-26 | 2018-07-26 | A kind of Leakproof spherical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191995.4U CN208686995U (en) | 2018-07-26 | 2018-07-26 | A kind of Leakproof spherical valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686995U true CN208686995U (en) | 2019-04-02 |
Family
ID=65882476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821191995.4U Active CN208686995U (en) | 2018-07-26 | 2018-07-26 | A kind of Leakproof spherical valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686995U (en) |
-
2018
- 2018-07-26 CN CN201821191995.4U patent/CN208686995U/en active Active
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