CN209245307U - The dark valve of high temperature resistant leak-proof - Google Patents
The dark valve of high temperature resistant leak-proof Download PDFInfo
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- CN209245307U CN209245307U CN201821782887.4U CN201821782887U CN209245307U CN 209245307 U CN209245307 U CN 209245307U CN 201821782887 U CN201821782887 U CN 201821782887U CN 209245307 U CN209245307 U CN 209245307U
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- shell
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- dynamic porcelain
- porcelain piece
- high temperature
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Abstract
The utility model is specifically related to a kind of dark valve.The dark valve of high temperature resistant leak-proof, including valve body and setting, in the intracorporal spool of valve, spool includes a shell, the side wall of shell is equipped with water outlet, and the bottom of shell is equipped with water inlet, is equipped with potsherd in shell；Potsherd includes the dynamic porcelain piece being located above and underlying stable ceramic piece, and the upper surface of stable ceramic piece fits closely the lower surface of dynamic porcelain piece；Ceramic layer is covered on the inner wall of shell, potsherd is located at the inside of ceramic layer；The side wall of driving lever and potsherd is fitted closely with ceramic layer respectively.With the above arrangement, after mutually fitting between dynamic porcelain piece and stable ceramic piece, then by dynamic porcelain piece and stable ceramic piece are enclosed in its inside by ceramic layer again, mutually fit between potsherd and ceramic layer, realize multi-sealed and achieve the effect that leakproof.And dark valve core uses ceramic material, relative to plastics and copper more resistant to high temperature, the coefficient of expansion is small, the service life is long, sealing performance is more preferable.
Description
Technical field
The utility model relates to pipe-line equipment technical fields, and in particular to a kind of dark valve.
Background technique
Dark valve is a kind of valve of infrequently transition status, is typically in normally open, and when overhauling pipeline, transition status is used
Before the normal dynamic controlled valve of various pipelines, this pipeline is closed in order to overhaul.It is filled before the various valves being often opened and closed
Dark valve is blinded off a line with maintenance when necessary.The spool of current dark valve is directly one with the groove for connecting valve rod
Cylindrical spool, usually by bottom surface by inlet seal and the cut-off and circulation mutually from realization pipeline liquid, opening and closing in this way is inconvenient
And sealing ring is usually required, being used for a long time can leak due to sealing ring aging.
The material of dark valve core generallys use brass or plastics, although brass spool high temperature resistant, uses for a long time
It easily gets rusty, wear afterwards, and plastic poppet will not get rusty compared to brass spool, but wearability is poor, the service life is short, and intolerant to height
Temperature.Therefore need it is a kind of can high temperature resistant, good airproof performance, service life long spool with meet demand.
Utility model content
The purpose of the utility model is to provide a kind of dark valves of high temperature resistant leak-proof, solve at least one above technical problem.
The technical issues of the utility model is solved can be realized using following technical scheme:
The dark valve of high temperature resistant leak-proof, including valve body and setting, in the intracorporal spool of the valve, the spool includes a shell, institute
The side wall for stating shell is equipped with water outlet, and the bottom of the shell is equipped with water inlet, is equipped with potsherd in the shell；
The potsherd includes the dynamic porcelain piece being located above and underlying stable ceramic piece, and the upper surface of the stable ceramic piece is tight
The closely connected lower surface for closing the dynamic porcelain piece；
Ceramic layer is covered on the inner wall of the shell, the potsherd is located at the inside of the ceramic layer；The driving lever and
The side wall of the potsherd is fitted closely with the ceramic layer respectively.
With the above arrangement, after mutually fitting between dynamic porcelain piece and stable ceramic piece, then by again by ceramic layer by dynamic porcelain piece and quiet
Tile is enclosed in its inside, mutually fits between potsherd and ceramic layer, realizes multi-sealed and achievees the effect that leakproof.And it is dark
Valve core use ceramic material, relative to plastics and copper more resistant to high temperature, the coefficient of expansion is small, the service life is long, sealing performance is more preferable.
The dynamic porcelain piece is a circular plate body, and the two sides of the plate body are equipped with centrosymmetric two according to the center of circle
Sector notch；
The stable ceramic piece is equipped with two through-holes corresponding with the gap position, and two through-holes being capable of quilt simultaneously
The dynamic porcelain piece is blocked or is not blocked；
When the dynamic porcelain piece does not block the through-hole, the water inlet, the notch, the through-hole, the water outlet
It is in turn connected to form water stream channel.
Through-hole is not blocked when the notch of dynamic porcelain piece rotates to the position of through-hole, spool is in the open state can to make water flow
Pass through；And when dynamic porcelain piece rotates to other positions, then through-hole is blocked, and spool is in close state.
The spool further includes driving lever, and the top of the shell is equipped with opening, and the upper end of the driving lever passes through the opening；
The upper surface of the dynamic porcelain piece is equipped with groove, and the bottom of the driving lever is equipped with corresponding with the groove shapes convex
It rises, so that the driving lever is able to drive the dynamic porcelain piece rotation by the way that the protrusion to be plugged into the groove.
The rotation of dynamic porcelain piece is controlled by driving lever.
The bottom of the shell is equipped with pedestal, and the water outlet, the pedestal and the shell are offered on the pedestal
It is threadedly coupled, the upper surface of the pedestal is bonded the lower surface of the stable ceramic piece.
Pedestal is detachably connected with shell, easy maintenance and replacement valve hole part.
The driving lever and pedestal are made of ceramic materials.
Ceramic material high temperature resistance is good.It and is all connecing for ceramic material between driving lever and dynamic porcelain piece, stable ceramic piece and pedestal
Contacting surface, good seal performance avoid the sealing ring using meeting aging and non-refractory.
Detailed description of the invention
Fig. 1 is a kind of sectional view of the utility model；
Fig. 2 is a kind of top view of the utility model dynamic porcelain piece；
Fig. 3 is a kind of top view of the utility model stable ceramic piece.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face, which combines to be specifically illustrating, is further described the utility model.
Referring to Fig.1, Fig. 2, Fig. 3, the dark valve of high temperature resistant leak-proof, including valve body 1 and the spool being arranged in valve body 1, spool packet
Shell 2 is included, the side wall of shell 2 is equipped with water outlet 3, and the bottom of shell 2 is equipped with water inlet 4, is equipped with potsherd in shell 2；Pottery
Tile includes the dynamic porcelain piece 5 and underlying stable ceramic piece 6 being located above, and the upper surface of stable ceramic piece 6 fits closely dynamic porcelain piece 5
Lower surface；Ceramic layer 7 is covered on the inner wall of shell 2, potsherd is located at the inside of ceramic layer 7；The side wall of driving lever and potsherd point
It is not fitted closely with ceramic layer 7.With the above arrangement, after mutually fitting between dynamic porcelain piece 5 and stable ceramic piece 6, then by again by ceramics
Layer 7 by dynamic porcelain piece 5 and stable ceramic piece 6 be enclosed in its inside, mutually fit between potsherd and ceramic layer 7, realize it is multi-sealed and
Achieve the effect that leakproof.And dark valve core uses ceramic material, relative to plastics and copper more resistant to high temperature, the coefficient of expansion is small, the service life
Length, sealing performance are more preferable.
Dynamic porcelain piece 5 is circular plate body, and the two sides of plate body are equipped with according to centrosymmetric two sector notch in the center of circle
51；Stable ceramic piece 6 is equipped with two through-holes 61 corresponding with 51 position of notch, and two through-holes 61 can be hidden by dynamic porcelain piece 5 simultaneously
Gear does not block；When dynamic porcelain piece 5 does not block through-hole 61, water inlet 4, notch 51, through-hole 61, water outlet 3 are in turn connected to form
Water stream channel.Through-hole 61, spool energy in the open state are not blocked when the notch 51 of dynamic porcelain piece 5 rotates to the position of through-hole 61
Enough pass through water flow；And when dynamic porcelain piece 5 rotates to other positions, then through-hole 61 is blocked, and spool is in close state.
Spool further includes driving lever, and the top of shell 2 is equipped with opening, and the upper end of driving lever passes through opening；The upper surface of dynamic porcelain piece 5
Equipped with groove 52, the bottom of driving lever is equipped with protrusion corresponding with 52 shape of groove, is made by the way that protrusion to be plugged into groove 52
Driving lever is able to drive the rotation of dynamic porcelain piece 5.The rotation of dynamic porcelain piece 5 is controlled by driving lever.
The bottom of shell 2 is equipped with pedestal 8, offers water outlet 3 on pedestal 8, pedestal 8 is threadedly coupled with shell 2, pedestal 8
Upper surface fitting stable ceramic piece 6 lower surface.Pedestal 8 is detachably connected with shell 2, easy maintenance and replacement valve hole part.
Driving lever and pedestal 8 are made of ceramic materials.Ceramic material high temperature resistance is good.And driving lever and dynamic porcelain piece 5, stable ceramic piece
It is all the contact surface of ceramic material between 6 and pedestal 8, good seal performance avoids the sealing ring using meeting aging and non-refractory.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also has
Various changes and modifications, these changes and improvements are both fallen in the range of the requires of the utility model protection.The requires of the utility model
The range of protection is defined by the appending claims and its equivalent thereof.
Claims (5)
1. the dark valve of high temperature resistant leak-proof, including valve body and setting, in the intracorporal spool of the valve, the spool includes a shell, described
The side wall of shell is equipped with water outlet, and the bottom of the shell is equipped with water inlet, which is characterized in that ceramics are equipped in the shell
Piece；
The potsherd includes the dynamic porcelain piece being located above and underlying stable ceramic piece, and the upper surface of the stable ceramic piece is closely pasted
Close the lower surface of the dynamic porcelain piece；
Ceramic layer is covered on the inner wall of the shell, the potsherd is located at the inside of the ceramic layer；
The spool further includes driving lever, and the top of the shell is equipped with opening, and the upper end of the driving lever passes through the opening；
The side wall of the driving lever and the potsherd is fitted closely with the ceramic layer respectively.
2. the dark valve of high temperature resistant leak-proof according to claim 1, it is characterised in that: the dynamic porcelain piece is a circular plate
The two sides of body, the plate body are equipped with according to centrosymmetric two sector notch in the center of circle；
The stable ceramic piece is equipped with two through-holes corresponding with the gap position, and two through-holes can be described simultaneously
Dynamic porcelain piece is blocked or is not blocked；
When the dynamic porcelain piece does not block the through-hole, the water inlet, the notch, the through-hole, the water outlet are successively
Connection forms water stream channel.
3. the dark valve of high temperature resistant leak-proof according to claim 1, it is characterised in that: the upper surface of the dynamic porcelain piece is equipped with recessed
The bottom of slot, the driving lever is equipped with protrusion corresponding with the groove shapes, by the way that the protrusion is plugged into the groove
In so that the driving lever is able to drive dynamic porcelain piece rotation.
4. the dark valve of high temperature resistant leak-proof described in any one of -3 according to claim 1, it is characterised in that: the bottom of the shell
Equipped with pedestal, the water outlet is offered on the pedestal, the pedestal is connect with the outer casing screw, the upper table of the pedestal
Face paste closes the lower surface of the stable ceramic piece.
5. the dark valve of high temperature resistant leak-proof described in any one of -3 according to claim 1, it is characterised in that: the driving lever and pedestal
It is made of ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782887.4U CN209245307U (en) | 2018-10-31 | 2018-10-31 | The dark valve of high temperature resistant leak-proof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782887.4U CN209245307U (en) | 2018-10-31 | 2018-10-31 | The dark valve of high temperature resistant leak-proof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209245307U true CN209245307U (en) | 2019-08-13 |
Family
ID=67526630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821782887.4U Active CN209245307U (en) | 2018-10-31 | 2018-10-31 | The dark valve of high temperature resistant leak-proof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209245307U (en) |
-
2018
- 2018-10-31 CN CN201821782887.4U patent/CN209245307U/en active Active
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