CN209725234U - A kind of ceramic seal butterfly valve - Google Patents
A kind of ceramic seal butterfly valve Download PDFInfo
- Publication number
- CN209725234U CN209725234U CN201920370718.8U CN201920370718U CN209725234U CN 209725234 U CN209725234 U CN 209725234U CN 201920370718 U CN201920370718 U CN 201920370718U CN 209725234 U CN209725234 U CN 209725234U
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- pressurising
- ceramic
- rubber ring
- dish plate
- valve
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Abstract
The utility model discloses a kind of ceramic seal butterfly valves, including valve body and dish plate, ceramic-seal ring is provided on the inside of the valve body, dish plate periphery is provided with the ceramic seal circle with ceramic-seal ring cooperation, the side of the ceramic-seal ring towards ceramic seal circle is provided with hollow pressurising rubber ring, pressurising bracket is set in the pressurising rubber ring, the pressurising bracket is built-in with through-hole, pressurizing channel is provided in the valve body wall, the outer end of the pressurizing channel is provided with air inlet at valve body, and the pressurizing channel is connected with through-hole and forms sealed air-space；After the sealed air-space pressurising, the pressurising rubber ring is sealed and contacts by compression swelling and with the ceramic seal circle for being located at dish plate periphery, and after the sealed air-space pressure release, there are gaps between the pressurising rubber ring and ceramic seal circle.The utility model has the following beneficial effects: this butterfly valve uses gas-flow closure on its ceramic contact surface, have the advantages that good airproof performance, abrasion are small.
Description
Technical field
The utility model relates to a kind of butterfly valve, in particular to a kind of ceramic seal butterfly valve.
Background technique
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and one kind of open and close is reached around valve shaft rotation
Valve mainly plays cutting and throttling action on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, around its own in valve body
Axis rotation, to achieve the purpose that opening and closing or adjusting.
Currently, the Chinese patent of Publication No. CN201093085 discloses a kind of ceramic seal butterfly valve, including a valve body and
Butterfly plate, butterfly plate are connected in valve body through a valve rod, and ceramic-seal ring is equipped in valve body, and butterfly plate is equipped with ceramic seal circle, institute
When stating ceramic seal butterfly valve and closing, ceramic-seal ring is nested with the sealing of ceramic seal circle.
But this butterfly valve two sides all use ceramic contact, and rigidity is larger between contact surface, and abrasion is than more serious, and ceramics
Between sealing performance it is also poor.
Utility model content
The purpose of the utility model is to provide a kind of ceramic seal butterfly valve, this butterfly valve uses on its ceramic contact surface to be filled
Hermetic seal has the advantages that good airproof performance, abrasion are small.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of ceramic seal butterfly
Valve, including valve body and dish plate, the valve body inside are provided with ceramic-seal ring, and dish plate periphery is provided with and ceramic-seal ring
The ceramic seal circle of cooperation, the side of the ceramic-seal ring towards ceramic seal circle are provided with hollow pressurising rubber ring, institute
It states and pressurising bracket is set in pressurising rubber ring, the pressurising bracket is built-in with through-hole, is provided with pressurizing channel in the valve body wall,
The outer end of the pressurizing channel is provided with air inlet at valve body, and the pressurizing channel is connected with through-hole and forms blanket gas
Chamber；After the sealed air-space pressurising, the pressurising rubber ring by compression swelling and be located at dish plate periphery ceramic seal circle into
Row is in sealing contact, and after the sealed air-space pressure release, there are gaps between the pressurising rubber ring and ceramic seal circle.
The utility model is further arranged to: the cross section of the pressurising rubber ring is T-shaped and cooperates with ceramic-seal ring
Clamping.
The utility model is further arranged to: the pressurising rubber ring is built-in with bracing ring, and the bracing ring is located at pressurising
Between rubber ring and pressurising bracket.
The utility model is further arranged to: the valve rod that can drive dish plate opening and closing runner, institute are additionally provided on the valve body
Stating valve rod includes active valve rod and driven valve rod, and active valve rod top is connected with handwheel, and the active stem lower portion protrudes into
It is in dish plate and affixed with dish plate；The driven valve rod top is protruded into dish plate and affixed with dish plate, and the driven stem lower portion is set
In valve body.
The utility model is further arranged to: the top of the active valve rod and the lower part of driven valve rod are set in axle sleeve
In.
The utility model is further arranged to: the valve body is provided with breather cheek valve at air inlet.
In conclusion the utility model has the following beneficial effects: by using ceramic-seal ring and ceramic seal circle
So that butterfly valve has longer service life.Pressurising rubber ring is set at ceramic-seal ring, and by pressurising bracket and support
Circle is placed in pressurising rubber ring, can prevent pressurising rubber ring excessive deformation, and can effectively reduce inflation air consumption, and one-way air inlet
Valve can be convenient for inflation.Meanwhile butterfly valve described herein is connected and fixed valve rod and dish plate using no pin type, so that fluid be overcome to be situated between
Matter enters the defect of junction crevice corrosion valve shaft and axis hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the structure enlargement diagram of a-quadrant in Fig. 1.
Appended drawing reference: 1, valve body；2, dish plate；3, ceramic-seal ring；4, ceramic seal circle；5, pressurising rubber ring；6, pressurising
Bracket；7, through-hole；8, pressurizing channel；9, air inlet；10, bracing ring；11, active valve rod；12, driven valve rod；13, axle sleeve；14,
Breather cheek valve.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
As depicted in figs. 1 and 2, a kind of ceramic seal butterfly valve, including valve body 1 and dish plate 2 are provided with ceramics on the inside of valve body 1
Sealing ring 3,2 periphery of dish plate are provided with the ceramic seal circle 4 cooperated with ceramic-seal ring 3, and ceramic-seal ring 3 is towards ceramic seal
The side of circle 4 is provided with hollow pressurising rubber ring 5, and the cross section of pressurising rubber ring 5 is T-shaped and cooperates with ceramic-seal ring 3
Clamping.Pressurising bracket 6 is set in pressurising rubber ring 5, and pressurising bracket 6 is built-in with through-hole 7, is provided with pressurizing channel in 1 wall of valve body
8, the outer end of the pressurizing channel 8 is provided with air inlet 9 at valve body 1, and pressurizing channel 8 is connected with through-hole 7 and forms blanket gas
Chamber.
After sealed air-space pressurising, pressurising rubber ring 5 is carried out by compression swelling and with the ceramic seal circle 4 for being located at 2 periphery of dish plate
It is in sealing contact.After sealed air-space pressure release, there are gaps between pressurising rubber ring 5 and ceramic seal circle 4, while pressurising bracket 6 can
Keep the grown form of pressurising rubber ring 5.
Since ceramic-seal ring 3 and ceramic seal circle 4 have very long service life, in sealing performance and rub proofness
After being improved, so that butterfly valve has longer service life.
Further, pressurising rubber ring 5 is also built-in with bracing ring 10, and bracing ring 10 is located at pressurising rubber ring 5 and pressurising
Between bracket 6.Bracing ring 10 is consistent with the effect of stamped bracket, is that pressurising rubber ring 5 rushes under pressure release state to keep
The grown form of rubber ring is pressed, while guaranteeing structural strength of the punching press rubber ring when being sealed contact to ceramic seal circle 4.
Further, the valve rod that dish plate 2 can be driven to open and close runner is additionally provided on valve body 1, dish plate 2 is in valve body 1 simultaneously
It is fixedly connected with valve rod.Valve rod includes active valve rod 11 and driven valve rod 12, and 11 top of active valve rod is connected with handwheel, aggressive valve
11 lower part of bar is protruded into dish plate 2 and affixed with dish plate 2；Driven 12 top of valve rod protrude into it is in dish plate 2 and affixed with dish plate 2, it is driven
12 lower part of valve rod is placed in valve body 1.By using the fixed valve rod of no pin type connection type and dish plate 2, so that valve rod and dish plate 2 connect
Place's gapless is connect, fluid media (medium) is overcome to enter the defect of crevice corrosion valve shaft and axis hole.
Further, the top of active valve rod 11 and the lower part of driven valve rod 12 are set in axle sleeve 13.
Further, valve body 1 is provided with breather cheek valve 14 at air inlet 9.
Further, it is connected with each other between active valve rod 11 and driven valve rod 12 and assembles fixation.
Claims (6)
1. a kind of ceramic seal butterfly valve, including valve body (1) and dish plate (2), it is characterized in that: being provided with pottery on the inside of the valve body (1)
Porcelain sealing ring (3), dish plate (2) periphery are provided with the ceramic seal circle (4) with ceramic-seal ring (3) cooperation, the ceramics
The side of sealing ring (3) towards ceramic seal circle (4) is provided with hollow pressurising rubber ring (5), and the pressurising rubber ring (5) is interior
It is arranged pressurising bracket (6), the pressurising bracket (6) is built-in with through-hole (7), is provided with pressurizing channel in valve body (1) wall
(8), the outer end of the pressurizing channel (8) is provided with air inlet (9) at valve body (1), the pressurizing channel (8) and through-hole (7)
It is connected and forms sealed air-space；
After the sealed air-space pressurising, the pressurising rubber ring (5) is by compression swelling and close with the ceramics positioned at dish plate (2) periphery
Seal (4) is sealed contact, after the sealed air-space pressure release, between the pressurising rubber ring (5) and ceramic seal circle (4)
There are gaps.
2. a kind of ceramic seal butterfly valve according to claim 1, it is characterized in that: the cross section of the pressurising rubber ring (5)
Cooperate clamping for T-shaped and with ceramic-seal ring (3).
3. a kind of ceramic seal butterfly valve according to claim 1, it is characterized in that: the pressurising rubber ring (5) is built-in with branch
Support ring (10), the bracing ring (10) are located between pressurising rubber ring (5) and pressurising bracket (6).
4. a kind of ceramic seal butterfly valve according to claim 1, it is characterized in that: being additionally provided on the valve body (1) can drive
The valve rod of dynamic dish plate (2) opening and closing runner, the valve rod includes active valve rod (11) and driven valve rod (12), the active valve rod
(11) top is connected with handwheel, and active valve rod (11) lower part is protruded into dish plate (2) and affixed with dish plate (2)；It is described driven
Valve rod (12) top is protruded into dish plate (2) and affixed with dish plate (2), and driven valve rod (12) lower part is placed in valve body (1).
5. a kind of ceramic seal butterfly valve according to claim 4, it is characterized in that: the top of the active valve rod (11) and from
The lower part of ovable valve stem (12) is set in axle sleeve (13).
6. a kind of ceramic seal butterfly valve according to claim 1, it is characterized in that: the valve body (1) is set at air inlet (9)
It is equipped with breather cheek valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370718.8U CN209725234U (en) | 2019-03-22 | 2019-03-22 | A kind of ceramic seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370718.8U CN209725234U (en) | 2019-03-22 | 2019-03-22 | A kind of ceramic seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725234U true CN209725234U (en) | 2019-12-03 |
Family
ID=68688007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920370718.8U Active CN209725234U (en) | 2019-03-22 | 2019-03-22 | A kind of ceramic seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102570230B1 (en) * | 2023-05-23 | 2023-08-25 | 동주에이피 주식회사 | Powder transfering butterfly valve |
-
2019
- 2019-03-22 CN CN201920370718.8U patent/CN209725234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102570230B1 (en) * | 2023-05-23 | 2023-08-25 | 동주에이피 주식회사 | Powder transfering butterfly valve |
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