CN207394011U - Three-flat ball valve - Google Patents
Three-flat ball valve Download PDFInfo
- Publication number
- CN207394011U CN207394011U CN201721512369.6U CN201721512369U CN207394011U CN 207394011 U CN207394011 U CN 207394011U CN 201721512369 U CN201721512369 U CN 201721512369U CN 207394011 U CN207394011 U CN 207394011U
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- valve
- seat
- deck
- valve rod
- valve body
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Abstract
The utility model discloses three-flat ball valves, including valve deck, valve deck connects valve body by valve seal pad, is bolted between valve body and valve deck by nut and No.1, valve body is connected with auxiliary-seat by double-deck butterfly shrapnel, valve deck has been bolted main valve seat by becket and No. two, sphere is provided between main valve seat and auxiliary-seat, sphere is provided with valve rod in top, and valve rod is connected by thrust washer with valve body, V-type filler is provided with above thrust washer, advantageous effect is：This three-flat ball valve is equipped with fire prevention and self-sealing function, valve rod is combined by shaggy block with valve body, and when sealing V-type filler needs replacing in the middle part of valve, valve rod will not be by the remaining gas push of body cavity institute, outwards fly out, ensure safety operation, valve rod is equipped with thrust washer, plays sealing function, prevent dust and fine particle in the case where there is pressure condition, it enters in gland packing box, be easy to cause valve rod and filler damage, lose sealing function.
Description
Technical field
The utility model is related to a kind of ball valves, more particularly to three-flat ball valve, belong to food, bio-pharmaceuticals, wine brewing, electronics
And technical field of chemical industry.
Background technology
In the prior art, traditional ball valve does not have fire prevention and self-sealing function, and fire is occurring for traditional ball valve
When, valve seat can be caused directly to burn and movie star's sealing function, in Mass transfer process, with pipe friction, generate electrostatic, it can band
Carry out some unnecessary harm, traditional ball valve does not have the effect of compensation when tiny leakage occurs in valve rod, and valve rod is being subject to ball
When body transfers the medium thrust come, valve rod and valve body direct friction cause the service life of device to reduce, traditional valve body handle
It can not realize padlock function, and can not be cleared up inside pipeline, so the utility model proposes three-flat ball valves.
Utility model content
The technical problems to be solved in the utility model is the defects of overcoming the prior art, to provide three-flat ball valve.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
The utility model three-flat ball valve, including valve deck, the valve deck connects valve body, the valve body by valve seal pad
It is bolted between valve deck by nut and No.1, the valve body is connected with auxiliary-seat, the valve by double-deck butterfly shrapnel
Lid has been bolted main valve seat by becket and No. two, and sphere, the sphere are provided between the main valve seat and auxiliary-seat
Valve rod is provided in top, the valve rod is connected by thrust washer with valve body, and being provided with V-type above the thrust washer fills out
Material, the V-type filler top are provided with gland, are connected between the gland and valve body by adjusting nut with adjusting bolt, institute
It states valve deck one side and is provided with tight split nut.
As a kind of optimal technical scheme of the utility model, O-ring, the valve rod and valve body are provided in the valve rod
It is connected by shaggy block.
As a kind of optimal technical scheme of the utility model, the valve rod one side is provided with handle, is set on the handle
Anti-slip rubber layer is equipped with, location hole and locking plate are additionally provided on the handle, locking plate is made of external member and lock tongue, and the locking plate leads to
External member is crossed to be socketed on handle.
As a kind of optimal technical scheme of the utility model, the valve rod lower inner is provided with anti-static device, institute
Anti-static device is stated to be embedded in valve rod and formed by spring, steel ball.
As a kind of optimal technical scheme of the utility model, the main valve seat is made of PTFE material, the pair valve
Seat is made of metal material, and several nitrogen blow valve ports are provided on the valve body.
There are two the nitrogen blow valve port designs.
The advantageous effect that the utility model is reached is：This three-flat ball valve be equipped with fire prevention and self-sealing function, valve rod by
Shaggy block is combined with valve body, and when sealing V-type filler needs replacing in the middle part of valve, valve rod will not be by the remaining gas of body cavity institute
Body promotes, and outwards flies out, it is ensured that safety operation, valve rod are equipped with thrust washer, play sealing function, prevent dust and fine particle from existing
Have under pressure condition, enter in gland packing box, be easy to cause valve rod and filler damage, lose sealing function, pass through setting
There is anti-static device, with pipe friction, electrostatic can be generated in Mass transfer process, and anti-static device is by static guiding
Go out release, electrostatic belt is avoided to carry out some unnecessary disasters and is occurred, by being provided with main valve seat and auxiliary-seat, when fire occurs,
The main valve seat of PTFE material is burnt at high temperature, is sealed work by the assistant metal auxiliary-seat on valve body, valve rod one side is V
Type packing seal structure, deformation is more abundant, can axial pressing force more effectively be converted into valve body, valve rod and filler three
Radial seal, by being provided with double-deck butterfly shrapnel, there is tiny leakage in valve rod in the double-deck butterfly shrapnel compressed in advance
When can play the role of compensation, discharge its preload deformation compress filler again, by being provided with deflation nut, in can preventing
The leakage of mouth, by being provided with O-ring in valve rod, when sphere is subject to transfer the medium thrust come, O-ring can avoid valve rod
Valve rod and valve body direct friction, and the booster action that bar portion seals can also be played in low pressure, and this ball valve uses ISO
5211 Platform Designings are designed with locking plate card slot on step, and locking plate is clamped with locking plate card slot, passes through Design Orientation part in location hole
Realize the restriction of locking plate and locking plate card slot clamping structure, so as to reach the function of realizing padlock, locating piece is designed in location hole
Shi Suoding, locking plate can be slided freely on valve rod when locating piece takes out；Nitrogen blow valve port is provided on valve body, disclosure satisfy that height
The design requirement of clean gas pipeline.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram between the utility model gland and valve body；
Fig. 3 is the utility model handle arrangement schematic diagram.
In figure：Valve deck；2nd, nut；3rd, No.1 bolt；4th, valve seal pad；5th, sphere；6th, auxiliary-seat；7th, double-deck butterfly bullet
Piece；8th, valve body；9th, main valve seat；10th, No. two bolts；11st, becket；12nd, valve rod；13rd, thrust washer；14th, V-type filler；15th, press
Lid；16th, adjusting nut；17th, adjusting bolt；18th, handle；19th, anti-static device；20th, O-ring；21st, tight split nut;22nd, nitrogen
Blow valve port；23rd, anti-slip rubber layer；24th, location hole；25th, locking plate.
Specific embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
As shown in Fig. 1 ~ 3, three-flat ball valve, including valve deck 1, valve deck 1 connects valve body 8, valve body 8 by valve seal pad 4
It is connected between valve deck 1 by nut 2 and No.1 bolt 3, valve body 8 is connected with auxiliary-seat 6, valve deck 1 by double-deck butterfly shrapnel 7
Main valve seat 9 is connected with by becket 11 and No. two bolts 10, is provided with sphere 5 between main valve seat 9 and auxiliary-seat 6, on sphere 5
Valve rod 12 is provided in side, valve rod 12 is connected by thrust washer 13 with valve body 8, is played sealing function, is prevented dust and tiny
Grain is entered in the case where there is pressure condition in gland packing box, is be easy to cause valve rod 12 and filler damage, is lost sealing function, only
13 top of pushing pad piece is provided with V-type filler 14, and 12 one side of valve rod is 14 sealing structure of V-type filler, and deformation is more abundant, can more have
The radial seal that axial pressing force is converted into 14 three of valve body 8, valve rod 12 and V-type filler of effect, 14 top of V-type filler are set
Gland 15 is equipped with, is connected between gland 15 and valve body 8 by adjusting nut 16 and adjusting bolt 17,1 one side of valve deck is provided with tightly
Split nut 21, the leakage of mouth in can preventing.
O-ring 20 is provided in valve rod 12, valve rod 12 is connected with valve body 8 by shaggy block, and 12 one side of valve rod is provided with hand
Handle 18 is provided with anti-slip rubber layer 23 on handle 18, location hole 24 and locking plate 25 is additionally provided on handle 18, locking plate 25 is by external member
It is formed with lock tongue, the locking plate 25 is socketed in by external member on handle；12 lower inner of valve rod is provided with anti-static device 19, prevents
Electrostatic equipment 19 is embedded in valve rod 12 by spring, steel ball and formed, and main valve seat 9 is made of PTFE material, and auxiliary-seat 6 is using gold
Belong to material to be made, several nitrogen blow valve ports 22 are provided on valve body 8.
Specifically, when the utility model is used, by 90 degree of rotation handles 18, drive the accurate manufacture ball for having lumen therethrough
Body, to be turned on and off valve, so as to fulfill control rate-of flow, this three-flat ball valve is equipped with fire prevention and self-sealing function,
Valve rod 12 is combined by shaggy block with valve body 8, and when sealing V-type filler 14 needs replacing in the middle part of valve, valve rod 12 will not be by valve body 8
The remaining gas push of inner cavity institute, outwards flies out, it is ensured that safety operation, valve rod 12 are equipped with thrust washer 13, play sealing function, prevent
Only dust and fine particle are entered in the case where there is pressure condition in gland packing box, are be easy to cause valve rod 12 and filler damage, are lost
Sealing function is removed, by being provided with anti-static device 19, with pipe friction, electrostatic can be generated in Mass transfer process, and
Anti-static device is to export electrostatic to discharge, and electrostatic belt is avoided to carry out some unnecessary disasters and is occurred, by being provided with main valve seat 9
With auxiliary-seat 6, when fire occurs, the main valve seat 9 of PTFE material is burnt at high temperature, by the assistant metal auxiliary-seat 6 on valve body 8
Work is sealed, 12 one side of valve rod is 14 sealing structure of V-type filler, and deformation is more abundant, can be more effectively by axial pressure
Clamp force is converted into the radial seal of 14 three of valve body 8, valve rod 12 and V-type filler, pre- by being provided with double-deck butterfly shrapnel 7
The double-deck butterfly shrapnel 7 first compressed can play the role of compensation when tiny leakage occurs in valve rod 12, discharge the deformation of its preload
Filler is compressed again, tightens nut 21 by being provided with, the leakage of mouth in can preventing is O-shaped by being provided in valve rod 12
Circle 20, for valve rod 12 when sphere is subject to transfer the medium thrust come, O-ring 20 can avoid valve rod 12 and 8 direct friction of valve body, and
And the booster action of bar portion sealing can also be played in low pressure, and this ball valve uses 5211 Platform Designings of ISO, is designed on step
There is locking plate card slot, the clamping of locking plate 25 and locking plate card slot realizes locking plate 25 and locking plate card by Design Orientation part in location hole 24
The restriction of slot clamping structure so as to reach the function of realizing padlock, is provided with nitrogen blow valve port 22 on valve body 8, disclosure satisfy that height
The design requirement of clean gas pipeline.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, 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 can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Carry out equivalent substitution.Within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (8)
1. three-flat ball valve, including valve deck（1）, which is characterized in that the valve deck（1）Pass through valve seal pad（4）Connect valve body
（8）, valve body（8）On be provided with nitrogen blow valve port（22）, the valve body（8）With valve deck（1）Between pass through nut（2）With No.1 spiral shell
Bolt（3）Connection, the valve body（8）Pass through double-deck butterfly shrapnel（7）It is connected with auxiliary-seat（6）, the valve deck（1）Pass through becket
（11）With No. two bolts（10）It is connected with main valve seat（9）, the main valve seat（9）With auxiliary-seat（6）Between be provided with sphere（5）,
The sphere（5）Valve rod is provided in top（12）, the valve rod（12）Pass through thrust washer（13）With valve body（8）Connection, institute
State thrust washer（13）Top is provided with V-type filler（14）, the V-type filler（14）Top is provided with gland（15）, the pressure
Lid（15）And valve body（8）Between pass through adjusting nut（16）And adjusting bolt（17）Connection, the valve deck（1）One side is provided with tightly
Split nut（21）.
2. three-flat ball valve according to claim 1, which is characterized in that the valve rod（12）Inside it is provided with O-ring（20）,
The valve rod（12）With valve body（8）It is connected by shaggy block.
3. three-flat ball valve according to claim 1, which is characterized in that the valve rod（12）One side is provided with handle
（18）, handle（18）On be provided with anti-slip rubber layer（23）, the handle（18）On be additionally provided with location hole（24）And locking plate
（25）.
4. three-flat ball valve according to claim 3, which is characterized in that locking plate（25）It is made of external member and lock tongue, it is described
Locking plate（25）Handle is socketed in by external member（18）On.
5. three-flat ball valve according to claim 1, which is characterized in that the valve rod（12）Lower inner is provided with anti-quiet
Electric installation（19）, the anti-static device（19）Valve rod is embedded in by spring, steel ball（12）Middle composition.
6. three-flat ball valve according to claim 1, which is characterized in that the main valve seat（9）It is made of PTFE material,
The auxiliary-seat（6）It is made of metal material.
7. three-flat ball valve according to claim 1, which is characterized in that the valve body（8）The nitrogen blow valve port of upper setting
（22）There are two.
8. three-flat ball valve according to claim 1, which is characterized in that platform is designed on ball valve, is set on platform step
In respect of locking plate card slot, locking plate（25）It is clamped with locking plate card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512369.6U CN207394011U (en) | 2017-11-14 | 2017-11-14 | Three-flat ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512369.6U CN207394011U (en) | 2017-11-14 | 2017-11-14 | Three-flat ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207394011U true CN207394011U (en) | 2018-05-22 |
Family
ID=62326247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721512369.6U Active CN207394011U (en) | 2017-11-14 | 2017-11-14 | Three-flat ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207394011U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373007A (en) * | 2018-12-12 | 2019-02-22 | 浙江安构控制阀科技有限公司 | Automatically controlled hard sealing flange ball valve |
| CN114838158A (en) * | 2022-07-04 | 2022-08-02 | 成都成高阀门有限公司 | Automatic switching method for sealing of ball valve seat |
| CN114877098A (en) * | 2022-07-06 | 2022-08-09 | 成都成高阀门有限公司 | Low-temperature fixed ball valve |
| CN117847252A (en) * | 2024-03-07 | 2024-04-09 | 江苏诚功阀门科技有限公司 | High-pressure hydrogen valve with high sealing performance |
-
2017
- 2017-11-14 CN CN201721512369.6U patent/CN207394011U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373007A (en) * | 2018-12-12 | 2019-02-22 | 浙江安构控制阀科技有限公司 | Automatically controlled hard sealing flange ball valve |
| CN114838158A (en) * | 2022-07-04 | 2022-08-02 | 成都成高阀门有限公司 | Automatic switching method for sealing of ball valve seat |
| CN114877098A (en) * | 2022-07-06 | 2022-08-09 | 成都成高阀门有限公司 | Low-temperature fixed ball valve |
| CN114877098B (en) * | 2022-07-06 | 2022-09-13 | 成都成高阀门有限公司 | Low-temperature fixed ball valve |
| CN117847252A (en) * | 2024-03-07 | 2024-04-09 | 江苏诚功阀门科技有限公司 | High-pressure hydrogen valve with high sealing performance |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |