CN206972964U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN206972964U CN206972964U CN201720706918.7U CN201720706918U CN206972964U CN 206972964 U CN206972964 U CN 206972964U CN 201720706918 U CN201720706918 U CN 201720706918U CN 206972964 U CN206972964 U CN 206972964U
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- CN
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- Prior art keywords
- valve
- valve seat
- hard
- core
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000000945 filler Substances 0.000 claims description 29
- 210000004907 gland Anatomy 0.000 claims description 21
- 238000009825 accumulation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of ball valve, it includes a left valve barrel, one right valve barrel, one core, the left valve barrel is connected to the left side of the right valve barrel, the core is between the inside of the left valve barrel and the inside of the right valve barrel, the ball valve also includes one first hard valve seat, one second hard valve seat, one first soft valve seat, one second soft valve seat, the first hard valve seat is arranged between the left valve barrel and the core, the first soft valve seat pressure is located between the described first hard valve seat and the core, the second hard valve seat is arranged between the right valve barrel and the core, the second soft valve seat pressure is located between the described second hard valve seat and the core.The utility model by soft valve seat and hard valve seat realize it is soft, hard seal the double sealing effect that is combined, substantially increase the sealability and reliability between valve seat and core.Meanwhile greatly improve the low torque sealing effectiveness in conventional situation lower valve base and core.
Description
Technical field
A kind of valve is the utility model is related to, more particularly to a kind of ball valve.
Background technology
Ball valve can be applicable to the inflammable and explosive industry of pipeline medium.But the ball valve of prior art is primarily present following ask
Topic：The seal approach that existing ball valve uses is single, and using hard sealing or soft seal, valve seat is because of abrasion in use for some time
Easily failure, cause to open because moment of torsion increases, or even leak.
Utility model content
The technical problems to be solved in the utility model is to overcome valve seat of the prior art to be led because wearing easily failure
Reason moment of torsion increases and can not opened, or even the defects of leak, there is provided a kind of ball valve.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of ball valve, it includes a left valve barrel, a right valve barrel, a core, and the left valve barrel is connected to the right valve barrel
Left side, between the inside of the left valve barrel and the inside of the right valve barrel, its feature is the core, the ball valve
Also include one first hard valve seat, one second hard valve seat, one first soft valve seat, one second soft valve seat, the first hard valve seat is set
Be placed between the left valve barrel and the core, the first soft valve seat pressure located at the described first hard valve seat and the core it
Between, the second hard valve seat is arranged between the right valve barrel and the core, and the second soft valve seat pressure is located at described second
Firmly between valve seat and the core.
It is preferred that the first hard valve seat is provided with one first accommodating chamber, the first soft valve seat have one first contact site,
One first compressed part, for first compressed part pressure in first accommodating chamber, first contact site is exposed to described the
One hard valve seat, and first contact site is resisted against the core；
The second hard valve seat is provided with one second accommodating chamber, and the second soft valve seat has one second contact site, one second
Compressed part, for the second compressed part pressure in second accommodating chamber, second contact site is exposed to the described second hard valve
Seat, and second contact site is resisted against the core.
It is preferred that the material of the first hard valve seat and the second hard valve seat is metal material, the first soft valve
The material of seat and the described second soft valve seat is nonmetallic materials.
It is preferred that one first elastic component, the second hard valve seat are provided between the first hard valve seat and the left valve barrel
One second elastic component is provided between the right valve barrel.
It is preferred that the ball valve includes：
One first trim ring, first trim ring are arranged between the described first hard valve seat and the left valve barrel, and described first
Trim ring is provided with one first cavity, and first elastic component is embedded in first cavity, and the both ends of first elastic component
Bear against in the left valve barrel and first trim ring；
One second trim ring, second trim ring are arranged between the described second hard valve seat and the right valve barrel, and described second
Trim ring is provided with one second cavity, and second elastic component is embedded in second cavity, and the both ends of second elastic component
Bear against in the right valve barrel and second trim ring.
It is preferred that the ball valve includes the first valve seat pad, the first valve seat baffle ring, the first O-ring, the second valve seat pad
Piece, the second valve seat baffle ring, the second O-ring, the first valve seat pad, the first valve seat baffle ring, first O-ring are successively
It is arranged between first trim ring and the first hard valve seat, it is the second valve seat pad, the second valve seat baffle ring, described
Second O-ring is set in turn between second trim ring and the second hard valve seat.
It is preferred that the ball valve includes：
One valve rod, the valve rod are rotatably inserted into the right valve barrel, and the valve rod is connected to the core
Top；
One stuffing box, the stuffing box is sheathed on the valve rod, and the stuffing box is connected to the top of the right valve barrel；
One thrust washer, the thrust washer are sheathed on the valve rod, and the thrust washer be located at the stuffing box with
Between the valve rod.
It is preferred that the top of the core is provided with one first groove, the stuffing box is inserted in first groove, institute
State ball valve and include sliding bearing on one, the upper sliding bearing is sheathed on the outer surface of the stuffing box, and the upper slip
Bearing is between the stuffing box and the core.
It is preferred that the ball valve includes an accumulation of energy sealing ring, the accumulation of energy sealing ring pressure located at the valve rod with it is described
Between stuffing box, and the accumulation of energy sealing ring is located at the top of the thrust washer.
It is preferred that the ball valve includes a metal washer, a filler assembly, a filler pressing sleeve, a gland flange, it is described
Metal washer and the filler assembly are pressed between the top of the internal face of the stuffing box and the outer surface of the valve rod,
The gland flange is connected to the top of the stuffing box, and the filler pressing sleeve is sheathed on the outer surface of the valve rod, and institute
Filler pressing sleeve pressure is stated to be located between the filler assembly and the gland flange.
It is preferred that the ball valve, which includes, compresses stud, nut, spring loaded, the bottom for compressing stud is connected to
The stuffing box, and the compression stud passes through the gland flange, the nut is connected to the compression stud and is located at institute
The top of gland flange is stated, the spring loaded pressure is located between the gland flange and the nut.
It is preferred that the ball valve includes：
One lower shaft lid, the lower shaft lid are connected to the bottom of the right valve barrel, and the bottom of the core is recessed provided with one second
Groove, the lower shaft lid are inserted in second groove；
One properties of journal bearing lubricated, the properties of journal bearing lubricated are sheathed on the outer surface of the lower shaft lid, and the properties of journal bearing lubricated
Between the core and the lower shaft lid.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with
Good example.
Positive effect of the present utility model is：
Ball valve of the present utility model, realized by soft valve seat and hard valve seat and soft, hard seal the dual-seal that is combined and imitate
Fruit, substantially increase sealability and reliability between valve seat and core.Meanwhile soft valve seat possesses good elastic compensating
Can, greatly improve the low torque sealing effectiveness in conventional situation lower valve base and core.Ensure the operation that ball valve can be good,
Extend the service life of ball valve.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the ball valve of the utility model preferred embodiment.
Fig. 2 is the partial enlarged drawing of part A in Fig. 1.
Description of reference numerals：
Right valve barrel 1
Left valve barrel 2
Core 3
First hard valve seat 4, the first elastic component 41, the first trim ring 42, the first valve seat pad 43
First valve seat baffle ring 44, the first O-ring 45, valve seat insert 46, trim ring gasket seal 47
Second hard valve seat 5
First soft valve seat 6
Second soft valve seat 7
Valve rod 8, thrust washer 81, upper sliding bearing 82, accumulation of energy sealing ring 83
Stuffing box 9, metal washer 91, filler assembly 92, filler pressing sleeve 93, gland flange 94
Compress stud 95, nut 96, spring loaded 97
Lower shaft lid 10, properties of journal bearing lubricated 101
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
As shown in figure 1, ball valve of the present utility model, its include right valve barrel 1, left valve barrel 2, core 3, the first hard valve seat 4,
Second hard valve seat 5, the first soft valve seat 6, the second soft valve seat 7, left valve barrel 2 are connected to the left side of right valve barrel 1, and core 3 is located at left valve
Between the inside of body 2 and the inside of right valve barrel 1, the first hard valve seat 4 is arranged between left valve barrel 2 and core 3, the first soft valve seat 6
Pressure is located between the first hard valve seat 4 and core 3, and the second hard valve seat 5 is arranged between right valve barrel 1 and core 3, the second soft valve seat 7
Pressure is located between the second hard valve seat 5 and core 3.The soft seal of first soft 6 and second soft valve seat 7 of valve seat possesses in conventional operating mode
Good elastic compensating energy, greatly improves the low torque sealing effectiveness in conventional situation lower valve base and core 3.When first soft
When 6 and second soft valve seat 7 of valve seat loses sealing effectiveness due to abrasion or high temperature, the first hard 4 and second hard valve seat 5 of valve seat is filling
With match grinding processing has been carried out with core 3 before, sealing surface is highly polished, frictional force is low, therefore hard sealing still can continue
Preferable sealing effectiveness is provided, soft, the hard double sealing effect for sealing and being combined is realized, substantially increases valve seat and core 3
Between sealability and reliability, ensure the operation that ball valve can be good, extend the service life of ball valve.
In order to reach the effect for strengthening the bonding strength between the first hard 4 and first soft valve seat 6 of valve seat, the first hard valve seat 4
The first accommodating chamber can be provided with, the first soft valve seat 6 has the first contact site, the first compressed part, and the first soft valve seat 6 passes through the first pressure
Tight portion's pressure is in the first accommodating chamber, so as to which effectively the first soft valve seat 6 is fixedly connected on the first hard valve seat 4.First contact
Portion is exposed to the first hard valve seat 4, and the first contact site is resisted against core 3.First soft valve seat 6 will stress produce deformation, to the
One hard valve seat 4 and core 3 produce certain tensile force, realize connect between the first hard 4 and first soft valve seat 6 of valve seat it is more steady
It is fixed.
In order to reach the effect for strengthening the bonding strength between the second hard 5 and second soft valve seat 7 of valve seat, the second hard valve seat 5
The second accommodating chamber can be provided with, the second soft valve seat 7 has the second contact site, the second compressed part, and the second soft valve seat 7 passes through the second pressure
Tight portion's pressure is in the second accommodating chamber, so as to which effectively the second soft valve seat 7 is fixedly connected on the second hard valve seat 5.Second contact
Portion is exposed to the second hard valve seat 5, and the second contact site is resisted against core 3.Second soft valve seat 7 will stress produce deformation, to the
Two hard valve seats 5 and core 3 produce certain tensile force, realize connect between the second hard 5 and second soft valve seat 7 of valve seat it is more steady
It is fixed.
As depicted in figs. 1 and 2, one first elastic component 41 can be provided between the first hard valve seat 4 and left valve barrel 2, passes through
One elastic component 41 can provide tensile force to the first hard valve seat 4 so that between the first hard 4 and first soft valve seat 6 of valve seat and core 3
It is close to and forms sealing structure, guarantee forms excellent sealing.Likewise, it can also be provided between the second hard valve seat 5 and right valve barrel 1
One second elastic component so that be close between the second hard 5 and second soft valve seat 7 of valve seat and core 3 and form sealing structure, ensure shape
Into excellent sealing.First elastic component 41 and the second elastic component can be spring, the material of the first hard 4 and second hard valve seat 5 of valve seat
Can be metal material, the material of the first soft 6 and second soft valve seat 7 of valve seat can be nonmetallic materials.
In order to reach the effect for preventing the first elastic component 41 from producing shift phenomenon when in use, ball valve can include one
One trim ring 42, the first trim ring 42 are arranged between the first hard valve seat 4 and left valve barrel 2, and the first trim ring 42 is provided with one first cavity, the
One elastic component 41 is embedded in the first cavity, and the both ends of the first elastic component 41 are born against in the trim ring 42 of left valve barrel 2 and first.
By the first trim ring 42 effectively the first elastic component 41 of limitation positioning, prevent the first elastic component 41 from producing skew inconsistent phenomenon.Equally
, ball valve can include one second trim ring, and the second trim ring is arranged between the second hard valve seat 5 and right valve barrel 1, and the second trim ring is set
There is one second cavity, the second elastic component is embedded in the second cavity, and the both ends of the second elastic component are born against in the He of right valve barrel 1
Second trim ring.Effectively prevent the second elastic component from producing skew inconsistent phenomenon by the second trim ring.
In order to reach the effect for further strengthening ball valve sealing, ball valve can include the first valve seat pad 43, the first valve
Seat baffle ring 44, the first O-ring 45, the first valve seat pad 43, the first valve seat baffle ring 44 and the first O-ring 45 are set in turn in first
Between 42 and first hard valve seat 4 of trim ring, the sealing effectiveness between the first trim ring 42 and the first hard valve seat 4 is substantially increased.First
The material of valve seat pad 43 can be graphite, effectively increase the fire protecting performance of ball valve.The shape of first hard valve seat 4 can be in ladder
Shape so that the first valve seat pad 43, the first valve seat baffle ring 44 and the first O-ring 45, which also compress, to be fitted on left valve barrel 2, further
Improve the sealing of ball valve.Valve seat insert 46, the first trim ring 42 and a left side can be provided between first hard valve seat 4 and left valve barrel 2
Trim ring gasket seal 47 can be provided between valve body 2, effectively increases the sealing effectiveness of ball valve.
Likewise, ball valve can also include the second valve seat pad, the second valve seat baffle ring, the second O-ring, the second valve seat pad
Piece, the second valve seat baffle ring and the second O-ring are set in turn between the second trim ring and the second hard valve seat 5, substantially increase second
Sealing effectiveness between trim ring and the second hard valve seat 5.The material of second valve seat pad can be graphite, effectively increase ball valve
Fire protecting performance.The shape of second hard valve seat 5 can be with trapezoidal so that the second valve seat pad, the second valve seat baffle ring and the second O-ring
Compression is fitted on right valve barrel 1, further improves the sealing of ball valve.Valve can be provided between second hard valve seat 5 and right valve barrel 1
Seat sealing ring, can be provided with trim ring gasket seal, effectively increase the sealing effectiveness of ball valve between the second trim ring and right valve barrel 1.
In order to reach ball valve effect easy to use.Ball valve can include a valve rod 8, a stuffing box 9, a thrust washer
81, valve rod 8 is rotatably inserted into right valve barrel 1, and valve rod 8 is connected to the top of core 3, and ball valve is realized by valve rod 8
Switch.Stuffing box 9 is sheathed on valve rod 8, and stuffing box 9 is connected to the top of right valve barrel 1.Stuffing box 9 effectively limits the work of valve rod 8
With.Thrust washer 81 is sheathed on valve rod 8, and thrust washer 81 is made between stuffing box 9 and valve rod 8 by thrust washer 81
Obtaining valve rod 8, frictional force is low when rotated, easy to use.
The top of core 3 can be provided with the first groove, and stuffing box 9 is inserted in the first groove, and ball valve can include
Sliding bearing 82, upper sliding bearing 82 is sheathed on the outer surface of stuffing box 9, and upper sliding bearing 82 is located at stuffing box 9 and core 3
Between.Upper sliding bearing 82 plays lubrication, realizes ball valve in switch without jam phenomenon, convenient use.It is meanwhile effectively anti-
Only core 3 produces skew inconsistent phenomenon in motion, greatly prolongs service life.
Ball valve can include an accumulation of energy sealing ring 83, and the pressure of accumulation of energy sealing ring 83 is located between valve rod 8 and stuffing box 9, and
Accumulation of energy sealing ring 83 is located at the top of thrust washer 81.By the ball valve of accumulation of energy sealing ring 83 under HF switch, sealing
Also it can keep good, greatly prolong service life.
In order to reach the effect for strengthening ball valve sealing.Ball valve can include a metal washer 91, a filler assembly 92, one
Filler pressing sleeve 93, a gland flange 94, metal washer 91 and filler assembly 92 press located at stuffing box 9 internal face top with
Between the outer surface of valve rod 8, filler assembly 92 seals, and prevents ball valve from being leaked outside in pumped (conveying) medium.Gland flange
94 are connected to the top of stuffing box 9, and filler pressing sleeve 93 is sheathed on the outer surface of valve rod 8, and the pressure of filler pressing sleeve 93 is located at filler
Between component 92 and gland flange 94.Filler assembly 92 is compressed by filler pressing sleeve 93 and gland flange 94, further strengthened close
Seal effect.Filler assembly 92 can be used cooperatively using wire with graphite, and both ends are put into by the filler of wire plus graphite,
The filler of pure graphite is put into centre, ensures the sealing to valve rod 8, meanwhile, it also prevent pure graphite damage.
Ball valve, which can include, compresses stud 95, nut 96, spring loaded 97, and the bottom for compressing stud 95 is connected to filler
Case 9, and compress stud 95 and pass through gland flange 94, nut 96 is connected to the top for compressing stud 95 and being located at gland flange 94,
The pressure of spring loaded 97 is located between gland flange 94 and nut 96.Clamp nut 96 and gland can compensate for by spring loaded 97
The gap during loosening of flange 94, ensure the sealing effectiveness of filler assembly 92.
Ball valve can also include a lower shaft lid 10, a properties of journal bearing lubricated 101, and lower shaft lid 10 is connected to the bottom of right valve barrel 1
Portion, the bottom of core 3 are provided with one second groove, and lower shaft lid 10 is inserted in the second groove.Properties of journal bearing lubricated 101 is sheathed on lower shaft
The outer surface of lid 10, and properties of journal bearing lubricated 101 is between core 3 and lower shaft lid 10.Properties of journal bearing lubricated 101 plays lubrication and made
With, realize ball valve switch when without jam phenomenon, convenient use.Meanwhile effectively prevent core 3 from producing skew dislocation in motion
Phenomenon, greatly prolong service life.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (12)
1. a kind of ball valve, it includes a left valve barrel, a right valve barrel, a core, and the left valve barrel is connected to the right valve barrel
Left side, the core is between the inside of the left valve barrel and the inside of the right valve barrel, it is characterised in that the ball valve is also
Include one first hard valve seat, one second hard valve seat, one first soft valve seat, one second soft valve seat, the first hard valve seat is set
Between the left valve barrel and the core, the first soft valve seat pressure is located between the described first hard valve seat and the core,
The second hard valve seat is arranged between the right valve barrel and the core, and the second soft valve seat pressure is located at the described second hard valve
Between seat and the core.
2. ball valve as claimed in claim 1, it is characterised in that the first hard valve seat is provided with one first accommodating chamber, and described
One soft valve seat has one first contact site, one first compressed part, and the first compressed part pressure is in first accommodating chamber, institute
State the first contact site and be exposed to the described first hard valve seat, and first contact site is resisted against the core；
The second hard valve seat is provided with one second accommodating chamber, and there is the second soft valve seat one second contact site, one second to compress
Portion, for the second compressed part pressure in second accommodating chamber, second contact site is exposed to the described second hard valve seat, and
Second contact site is resisted against the core.
3. ball valve as claimed in claim 1, it is characterised in that the material of the first hard valve seat and the second hard valve seat is equal
For metal material, the material of the first soft valve seat and the second soft valve seat is nonmetallic materials.
4. ball valve as claimed in claim 1, it is characterised in that one the is provided between the first hard valve seat and the left valve barrel
One elastic component, one second elastic component is provided between the second hard valve seat and the right valve barrel.
5. ball valve as claimed in claim 4, it is characterised in that the ball valve includes：
One first trim ring, first trim ring are arranged between the described first hard valve seat and the left valve barrel, first trim ring
Provided with one first cavity, first elastic component is embedded in first cavity, and the both ends difference of first elastic component
It is resisted against the left valve barrel and first trim ring；
One second trim ring, second trim ring are arranged between the described second hard valve seat and the right valve barrel, second trim ring
Provided with one second cavity, second elastic component is embedded in second cavity, and the both ends difference of second elastic component
It is resisted against the right valve barrel and second trim ring.
6. ball valve as claimed in claim 5, it is characterised in that the ball valve includes the first valve seat pad, the first valve seat gear
Ring, the first O-ring, the second valve seat pad, the second valve seat baffle ring, the second O-ring, the first valve seat pad, first valve
Seat baffle ring, first O-ring are set in turn between first trim ring and the first hard valve seat, the second valve seat pad
Piece, the second valve seat baffle ring, second O-ring are set in turn between second trim ring and the second hard valve seat.
7. ball valve as claimed in claim 1, it is characterised in that the ball valve includes：
One valve rod, the valve rod are rotatably inserted into the right valve barrel, and the valve rod is connected to the top of the core；
One stuffing box, the stuffing box is sheathed on the valve rod, and the stuffing box is connected to the top of the right valve barrel；
One thrust washer, the thrust washer are sheathed on the valve rod, and the thrust washer be located at the stuffing box with it is described
Between valve rod.
8. ball valve as claimed in claim 7, it is characterised in that the top of the core is provided with one first groove, the filler
Case is inserted in first groove, and the ball valve includes sliding bearing on one, and the upper sliding bearing is sheathed on described fill out
The outer surface of hopper, and the upper sliding bearing is between the stuffing box and the core.
9. ball valve as claimed in claim 7, it is characterised in that the ball valve includes an accumulation of energy sealing ring, and the accumulation of energy is close
Seal pressure is located between the valve rod and the stuffing box, and the accumulation of energy sealing ring is located at the top of the thrust washer.
10. ball valve as claimed in claim 7, it is characterised in that the ball valve include a metal washer, a filler assembly,
One filler pressing sleeve, a gland flange, the metal washer and the filler assembly press the internal face located at the stuffing box
Between top and the outer surface of the valve rod, the gland flange is connected to the top of the stuffing box, the filler pressing sleeve set
Located at the outer surface of the valve rod, and filler pressing sleeve pressure is located between the filler assembly and the gland flange.
11. ball valve as claimed in claim 10, it is characterised in that the ball valve, which includes, compresses stud, nut, load bullet
Spring, the bottom for compressing stud is connected to the stuffing box, and the compression stud passes through the gland flange, the nut
It is connected to the compression stud and is located at the gland flange and institute positioned at the top of the gland flange, the spring loaded pressure
State between nut.
12. such as the ball valve any one of claim 1-11, it is characterised in that the ball valve includes：
One lower shaft lid, the lower shaft lid are connected to the bottom of the right valve barrel, and the bottom of the core is provided with one second groove, institute
Lower shaft lid is stated to be inserted in second groove；
One properties of journal bearing lubricated, the properties of journal bearing lubricated is sheathed on the outer surface of the lower shaft lid, and the properties of journal bearing lubricated is located at
Between the core and the lower shaft lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706918.7U CN206972964U (en) | 2017-06-16 | 2017-06-16 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706918.7U CN206972964U (en) | 2017-06-16 | 2017-06-16 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972964U true CN206972964U (en) | 2018-02-06 |
Family
ID=61408621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720706918.7U Expired - Fee Related CN206972964U (en) | 2017-06-16 | 2017-06-16 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843815A (en) * | 2018-08-30 | 2018-11-20 | 昆山维萨阀门有限公司 | A kind of double isolation hard seal ball valves of high temperature |
-
2017
- 2017-06-16 CN CN201720706918.7U patent/CN206972964U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843815A (en) * | 2018-08-30 | 2018-11-20 | 昆山维萨阀门有限公司 | A kind of double isolation hard seal ball valves of high temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180709 Address after: 201323 32 Pudong New Area Golden Road Industrial Park, Zhu Qiao Town, Shanghai Patentee after: FLOAUTO (SHANGHAI) CONTROL VALVE Co.,Ltd. Address before: 201323 Pudong New Area, 32, 2, Jin Liang Road, Shanghai. Patentee before: YANKE (SHANGHAI) VALVE INDUSTRY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 |