CN105864451A - Detachable valve seat sealing structure and track ball valve with same - Google Patents
Detachable valve seat sealing structure and track ball valve with same Download PDFInfo
- Publication number
- CN105864451A CN105864451A CN201610410199.4A CN201610410199A CN105864451A CN 105864451 A CN105864451 A CN 105864451A CN 201610410199 A CN201610410199 A CN 201610410199A CN 105864451 A CN105864451 A CN 105864451A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- detachable
- valve body
- fixed
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 238000007667 floating Methods 0.000 claims abstract description 37
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a detachable valve seat sealing structure and a track ball valve with the same. The detachable valve seat sealing structure comprises a ball, a floating valve seat, a fixed valve seat, a compression ring, a clamp ring and a valve body, wherein the outer wall of the floating valve is radially provided with an annular stopping part A, and the outer wall of the fixed valve seat is radially provided with an annular stopping part B; a screw on the compression ring pushes against the annular stopping part B; the tail end of the fixed ball valve pushes against the annular stopping part A, and a spring is arranged between the annular stopping part A and a first inner stepped face. The track ball valve comprises the detachable valve seat sealing structure, a bonnet, an upper valve rod and a lower valve rod, wherein the bonnet is arranged above the valve body and fixedly connected with the same, and one end of the lower valve rod penetrates the bonnet and the valve body to be connected with the ball in a clamped manner. The detachable valve seat sealing structure has the advantages that the structure has a double sealing function, valve sealing reliability is increased greatly, valve service life is prolonged, the valve seat can be replaced online, and valve maintenance is benefited.
Description
Technical field
The present invention relates to valve technology field, particularly relate to a kind of detachable valve seat seal structure and
Orbit ball valve including this sealing structure.
Background technology
Existing ball valve or orbit ball valve use single floating valve seat structure, i.e. downstream to only have 1
Valve seat, only 1 resealing, sealing reliability is low；And use interference between valve seat and valve body
Coordinate or be welded to connect, being difficult to even may not dismantle online and change, so, when valve seat damages
The seal failure of bad late gate, keeps in repair the most difficult.
Summary of the invention
It is desirable to provide a kind of detachable valve seat seals structure and includes this sealing structure
Orbit ball valve, uses separate double-valve-seat structure, has dual-seal function, and supports
Online dismounting.
For reaching above-mentioned purpose, the technical solution used in the present invention is as follows:
Detachable valve seat seal structure, including spheroid, floating valve seat, fixed valve base, pressure ring,
Snap ring and valve body, described spheroid is located in valve body, and described floating valve seat and fixed valve base are located at ball
Between body and valve body, described floating valve seat is positioned at inside fixed valve base, in being provided with in described valve body
Step, described floating valve seat outer wall is radially arranged the annular adaptive with step in valve body first and supports
Stopper A, described fixed valve base outer wall is radially arranged the annular adaptive with step in valve body second
Blocking part B；
Described valve interior wall is provided with the draw-in groove adaptive with snap ring, and described pressure ring is enclosed within fixed valve base
On, described pressure ring is located between snap ring and annular blocking part B, and the internal diameter of described snap ring is less than pressure
The external diameter of ring, described pressure ring is axially arranged with screw, and described screw withstands on annular blocking part B,
The tail end of described fixing ball valve withstands on annular blocking part A, the of annular blocking part A and valve body
Spring it is provided with between step surface in one.
Further, described floating valve seat and the axial seal face of fixed valve base have been horizontally disposed with
Hole, the end face of the through floating valve seat in one end in described hole, the through fixed valve base of the other end in hole
End face, described valve body is provided with leak hunting aperture, the inner port of leak hunting aperture is positioned at the second platform
In terrace and first between step surface.
Further, one end of described floating valve seat and/or fixed valve base inwall is provided with annular
Groove, described cannelure is away from valve body.
Preferably, on the inwall of fixed valve base, boiled water is risen as high as the banks and is formed floating valve seat and fixed valve base
Hole on axial seal face.
Preferably, described hole is provided with 4 at equal intervals at circumferencial direction.
Further, described floating valve seat and fixed valve base are all provided with on the axial seal face of valve body
It is equipped with sealing ring.
Preferably, the material of described sealing ring is rubber.
A kind of orbit ball valve, in addition to including above-mentioned detachable valve seat and sealing structure, also includes valve
Covering and constitute upper valve rod and the lower valve rod of valve rod, described valve gap is located at above valve body and and valve body
Fixing connection, described lower valve rod one end passes valve gap and valve body and spheroid clamping, described lower valve rod
Being provided with spiral guide slot, guide finger is arranged on valve gap, the head end of guide finger and spirally-guided
Groove is slidably matched.
Further, it is provided with axle sleeve between described lower valve rod and valve gap.
Further, it is provided with filler between described upper valve rod and valve gap, being arranged at filler
The gland being sleeved on outside upper valve rod, described gland is fixing with valve gap to be connected.
Further, described spheroid is provided with bearing pin, and bearing pin has two, two bearing pin positions respectively
In the opposite side of lower valve rod, lower valve rod and bearing pin clamping.
Compared with prior art, the method have the advantages that
1. the detachable valve seat of the present invention seals structure and uses separate double-valve-seat structure, i.e.
Fixed valve base and floating valve seat, have dual-seal function, drastically increases the sealing of valve
Reliability, extends valve service life；
2. floating valve seat afterbody is provided pretightning force by spring, and fixed valve base uses detachable snap ring
Fixed structure, valve seat can change online, beneficially valve maintenance；
3. the cannelure arranged on floating valve seat, fixed valve base, constitutes special " u "-shaped bullet
Property structure, has good self-compensating function；
4. through hole A is set between floating valve seat and fixed valve base sealing surface, simultaneously valve body on also
Leak hunting aperture is set, makes to be formed between ball seal face and valve body passage, can be examined online by this passage
Look into valve seat and seal situation；
5. between valve seat and valve body, use rubber sealing and the double sealing structure of metal hard-sealing,
Sealing relatively reliable, natural have fire-proof function.
Accompanying drawing explanation
Fig. 1 is the structural representation that detachable valve seat seals structure；
Fig. 2 is the structural representation of " u "-shaped elastic construction；
Fig. 3 is the structural representation of the orbit ball valve including that detachable valve seat seals structure；
In figure: 1-spheroid, 2-floating valve seat, 3-fixed valve base, 4-pressure ring, 5-screw, 6-
Snap ring, 7-sealing ring, 8-spring, 9-valve body, 10-annular blocking part A, 11-annular is kept out
B, 12-hole, portion, 13-leak hunting aperture, 14-upper valve rod, 15-lower valve rod, 16-valve gap, 17-axle
Set, 18-spiral guide slot, 19-guide finger, 20-filler, 21-gland, 22-bearing pin,
23-lining, 24-cannelure.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with
Accompanying drawing, is further elaborated to the present invention.
As it is shown in figure 1, detachable valve seat disclosed by the invention seal structure, including spheroid 1,
Floating valve seat 2, fixed valve base 3, pressure ring 4, snap ring 6 and valve body 9, spheroid 1 is located at valve body
In 9, floating valve seat 2 and fixed valve base 3 are located between spheroid 1 and valve body 9, floating valve seat
2 are positioned at inside fixed valve base 3, are provided with interior step in valve body 9, and floating valve seat 2 outer wall is radially
It is provided with the annular blocking part A10 adaptive with step in valve body 9 first, fixed valve base 3 outer wall
It is radially arranged the annular blocking part B11 adaptive with step in valve body 9 second；Valve body 9 inwall
Being provided with and the draw-in groove of snap ring 6 adaptation, pressure ring 4 is enclosed within fixed valve base 3, and pressure ring 4 is located at card
Between ring 6 and annular blocking part B11, the internal diameter of snap ring 6 is less than the external diameter of pressure ring 4, pressure ring
Being axially arranged with screw 5 on 4, screw 5 withstands on annular blocking part B11, fixing ball valve 3
Tail end withstands on annular blocking part A10, step in annular blocking part A10 and the first of valve body 9
Spring 8 it is provided with between face.
Further, floating valve seat 2 has been horizontally disposed with on the axial seal face of fixed valve base 3
Hole 12, the end face of the through floating valve seat in one end 2 in hole 12, the other end in hole 12 is through
The end face of fixed valve base 3, valve body 9 is provided with leak hunting aperture 13, the inner of leak hunting aperture 13
Mouthful in second in step surface and first between step surface.Further, leak hunting aperture 13 hangs down
Straight in the axis of valve body 9.Hole 12 and leak hunting aperture 13 form mouth of hunting leak online, by leak detection mouth
Valve seat can be realized hunt leak online.Preferably, on the inwall of fixed valve base 3, boiled water is risen as high as the banks formation
Hole 12 on floating valve seat 2 and fixed valve base 3 axial seal face.Further, described hole
12 are provided with 4 at equal intervals at circumferencial direction.
Further, as in figure 2 it is shown, floating valve seat 2 and/or the one of fixed valve base 3 inwall
End is provided with cannelure 24, and cannelure 24 is away from valve body 9.Cannelure 24 constitutes special " U "
Shape elastic construction, makes valve seat have good self-compensating function.Further, floating valve seat 2
And the contact surface between fixed valve base 3 is cascaded surface, further, the annular on fixed valve base 3
Groove 24 is located on cascaded surface；Further, floating valve seat 2 and fixed valve base 3 and valve body 9
Axial seal face on be provided with sealing ring 7.Preferably, the material of sealing ring 7 is rubber.
As it is shown on figure 3, a kind of orbit ball valve disclosed by the invention, except include above-mentioned detachably
Outside valve base sealing structure, also include valve gap 16 and constitute upper valve rod 14 and the lower valve rod of valve rod
15, valve gap 16 is located at above valve body 9 and is fixed with valve body 9 and is connected, and lower valve rod 15 one end is worn
Cross valve gap 16 and valve body 9 and spheroid 1 clamping.Further, lower valve rod 15 and valve gap 16
Between be provided with axle sleeve 17.Further, lower valve rod 15 is provided with spiral guide slot 18, guides
Pin 19 is arranged on valve gap 16, and the head end of guide finger 19 is slidably matched with spiral guide slot 18.
Detachable valve seat seals structure and is located at the downstream of orbit ball valve.It is provided with in valve body 9 and spheroid 1
Adaptive lining 23, lining 23 and lower valve rod 15 lay respectively at the opposite side of spheroid 1.
Further, between upper valve rod 14 and valve gap 16, it is provided with filler 20, at filler 20
It is arranged over the gland 21 being sleeved on outside upper valve rod 14, gland 21 and valve gap 16
Fixing connection.
Further, spheroid 1 is provided with bearing pin 22, and bearing pin 22 has two, two bearing pins 22
Lay respectively at the opposite side of lower valve rod 15, lower valve rod 15 and bearing pin 22 clamping.Lower valve rod 15
Being connected end with spheroid 1 and be set to inclined-plane, upper end, inclined-plane tilts to valve seat direction, and lower end, inclined-plane is
Flat horizontal surface.Two bearing pins 22 are located at both sides, inclined-plane.So valve rod of design makes spheroid 1 and valve
The sealing surface of seat, without friction, protects the sealing surface of spheroid 1 and valve seat, thus extend spheroid 1,
Floating valve seat 2 and the service life of fixed valve base 3, make valve rod operation need the least torsion simultaneously
Square.
Certainly, the present invention also can have other numerous embodiments, without departing substantially from the present invention spirit and
In the case of its essence, those of ordinary skill in the art can according to the present invention make various accordingly
Change and deformation, but these change accordingly and deformation all should belong to the right appended by the present invention
The protection domain required.
Claims (10)
1. detachable valve seat seals structure, it is characterised in that: include spheroid (1), floating valve seat
(2), fixed valve base (3), pressure ring (4), snap ring (6) and valve body (9), described spheroid
(1) being located in valve body (9), described floating valve seat (2) and fixed valve base (3) are located at ball
Between body (1) and valve body (9), described floating valve seat (2) is positioned at fixed valve base (3)
Side, is provided with interior step in described valve body (9), described floating valve seat (2) outer wall is radially arranged
There are the annular blocking part A (10) adaptive with step in valve body (9) first, described fixed valve base
(3) outer wall is radially arranged the annular blocking part B (11) adaptive with step in valve body (9) second；
Described valve body (9) inwall is provided with the draw-in groove adaptive with snap ring (6), described pressure ring (4)
Being enclosed within fixed valve base (3), described pressure ring (4) is located at snap ring (6) and annular blocking part
Between B (11), the internal diameter of described snap ring (6) is less than the external diameter of pressure ring (4), described pressure
Being axially arranged with screw (5) on ring (4), described screw (5) withstands on annular blocking part B (11)
On, the tail end of described fixing ball valve (3) withstands in annular blocking part A (10), and annular is supported
It is provided with spring (8) between step surface in the first of stopper A (10) and valve body (9).
Detachable valve seat the most according to claim 1 seals structure, it is characterised in that: institute
State floating valve seat (2) and be horizontally disposed with porose (12) on the axial seal face of fixed valve base (3),
The end face of the through floating valve seat in the one end (2) in described hole (12), another of hole (12)
Hold the end face of through fixed valve base (3), described valve body (9) be provided with leak hunting aperture (13),
The inner port of leak hunting aperture (13) is in second in step surface and first between step surface.
Detachable valve seat the most according to claim 1 and 2 seals structure, it is characterised in that:
One end of described floating valve seat (2) and/or fixed valve base (3) inwall is provided with cannelure (24),
Described cannelure (24) is away from valve body (9).
Detachable valve seat the most according to claim 2 seals structure, it is characterised in that:
On the inwall of fixed valve base (3), boiled water is risen as high as the banks and is formed floating valve seat (2) and fixed valve base (3)
Hole (12) on axial seal face.
5. seal structure according to the detachable valve seat described in claim 2 or 4, it is characterised in that:
Described hole (12) is provided with 4 at equal intervals at circumferencial direction.
Detachable valve seat the most according to claim 1 and 2 seals structure, it is characterised in that:
Described floating valve seat (2) and fixed valve base (3) are equal with on the axial seal face of valve body (9)
It is provided with sealing ring (7).
Detachable valve seat the most according to claim 4 seals structure, it is characterised in that: institute
The material stating sealing ring (7) is rubber.
8. include that the detachable valve seat described in claim 1～7 any one claim seals knot
The orbit ball valve of structure, it is characterised in that: also include valve gap (16) and constitute the upper valve of valve rod
Bar (14) and lower valve rod (15), described valve gap (16) is located at valve body (9) top and valve
Body (9) is fixing to be connected, and described lower valve rod (15) one end passes valve gap (16) and valve body (9)
With spheroid (1) clamping, described lower valve rod (15) is provided with spiral guide slot (18), guides
Pin (19) is arranged on valve gap (16), the head end of guide finger (19) and spiral guide slot (18)
It is slidably matched.
Orbit ball valve the most according to claim 8, it is characterised in that: described upper valve rod
And be provided with filler (20) between valve gap (16), being arranged over of filler (20) (14)
It is sleeved on upper valve rod (14) gland (21) outward, described gland (21) and valve
Lid (16) is fixing to be connected.
Orbit ball valve the most according to claim 8, it is characterised in that: described spheroid (1)
Being provided with bearing pin (22), bearing pin (22) has two, and two bearing pins (22) lay respectively at down
The opposite side of valve rod (15), lower valve rod (15) and bearing pin (22) clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410199.4A CN105864451B (en) | 2016-06-12 | 2016-06-12 | Detachable valve seat sealing structure and the orbit ball valve including the sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410199.4A CN105864451B (en) | 2016-06-12 | 2016-06-12 | Detachable valve seat sealing structure and the orbit ball valve including the sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864451A true CN105864451A (en) | 2016-08-17 |
| CN105864451B CN105864451B (en) | 2018-03-06 |
Family
ID=56649972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610410199.4A Active CN105864451B (en) | 2016-06-12 | 2016-06-12 | Detachable valve seat sealing structure and the orbit ball valve including the sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864451B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812965A (en) * | 2017-03-24 | 2017-06-09 | 慎江阀门有限公司 | A kind of flat gate valve of the online fast assembling-disassembling maintenance of energy |
| CN107727316A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | Fixing ball valve sealing property detection device |
| CN108547963A (en) * | 2018-04-28 | 2018-09-18 | 上海华托阀门自动化有限公司 | A kind of primary and secondary sealing device for pipeline ball-valve |
| CN110778735A (en) * | 2018-07-30 | 2020-02-11 | 永嘉东峰阀门有限公司 | Soft and hard double sealing ball valve |
| CN112728151A (en) * | 2020-12-31 | 2021-04-30 | 五洲阀门股份有限公司 | Ball valve with multiple sealing track structure |
| CN113503375A (en) * | 2021-07-30 | 2021-10-15 | 清华大学 | Pressure self-balancing bidirectional sealing valve seat structure |
| CN113586754A (en) * | 2021-07-30 | 2021-11-02 | 清华大学 | Forced sealing valve seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0598222A1 (en) * | 1992-11-17 | 1994-05-25 | DEUTSCHE AUDCO GmbH | Ball valve |
| US20070278438A1 (en) * | 2006-05-22 | 2007-12-06 | Scott Gordon K | Ball Valve |
| CN102128279A (en) * | 2009-12-22 | 2011-07-20 | 阀尔巴特有限公司 | Trunnion-mounted ball valve with reverse-piston effect |
| CN102679008A (en) * | 2012-05-21 | 2012-09-19 | 保一集团有限公司 | Heavy-calibre ball valve |
| CN204459258U (en) * | 2015-01-14 | 2015-07-08 | 意阀（苏州）阀门有限公司 | A kind of novel seal valve seat |
| CN204755996U (en) * | 2015-06-16 | 2015-11-11 | 上海三牧阀门制造有限公司 | Plane high temperature ball valve |
| CN205298623U (en) * | 2015-11-27 | 2016-06-08 | 成都成高阀门有限公司 | Compound seal structure of box -like ball valve of multichannel multiunit |
| CN205908795U (en) * | 2016-06-12 | 2017-01-25 | 成都成高阀门有限公司 | Can dismantle valve seat seal structure reaches track ball valve including this seal structure |
-
2016
- 2016-06-12 CN CN201610410199.4A patent/CN105864451B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0598222A1 (en) * | 1992-11-17 | 1994-05-25 | DEUTSCHE AUDCO GmbH | Ball valve |
| US20070278438A1 (en) * | 2006-05-22 | 2007-12-06 | Scott Gordon K | Ball Valve |
| CN102128279A (en) * | 2009-12-22 | 2011-07-20 | 阀尔巴特有限公司 | Trunnion-mounted ball valve with reverse-piston effect |
| CN102679008A (en) * | 2012-05-21 | 2012-09-19 | 保一集团有限公司 | Heavy-calibre ball valve |
| CN204459258U (en) * | 2015-01-14 | 2015-07-08 | 意阀（苏州）阀门有限公司 | A kind of novel seal valve seat |
| CN204755996U (en) * | 2015-06-16 | 2015-11-11 | 上海三牧阀门制造有限公司 | Plane high temperature ball valve |
| CN205298623U (en) * | 2015-11-27 | 2016-06-08 | 成都成高阀门有限公司 | Compound seal structure of box -like ball valve of multichannel multiunit |
| CN205908795U (en) * | 2016-06-12 | 2017-01-25 | 成都成高阀门有限公司 | Can dismantle valve seat seal structure reaches track ball valve including this seal structure |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812965A (en) * | 2017-03-24 | 2017-06-09 | 慎江阀门有限公司 | A kind of flat gate valve of the online fast assembling-disassembling maintenance of energy |
| CN107727316A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | Fixing ball valve sealing property detection device |
| CN107727316B (en) * | 2017-10-26 | 2023-05-12 | 方正阀门集团股份有限公司 | Sealing performance detection device for fixed ball valve |
| CN108547963A (en) * | 2018-04-28 | 2018-09-18 | 上海华托阀门自动化有限公司 | A kind of primary and secondary sealing device for pipeline ball-valve |
| CN108547963B (en) * | 2018-04-28 | 2024-03-19 | 上海华托阀门自动化有限公司 | Primary and secondary sealing device for pipeline ball valve |
| CN110778735A (en) * | 2018-07-30 | 2020-02-11 | 永嘉东峰阀门有限公司 | Soft and hard double sealing ball valve |
| CN112728151A (en) * | 2020-12-31 | 2021-04-30 | 五洲阀门股份有限公司 | Ball valve with multiple sealing track structure |
| CN113503375A (en) * | 2021-07-30 | 2021-10-15 | 清华大学 | Pressure self-balancing bidirectional sealing valve seat structure |
| CN113586754A (en) * | 2021-07-30 | 2021-11-02 | 清华大学 | Forced sealing valve seat |
| CN113586754B (en) * | 2021-07-30 | 2022-04-22 | 清华大学 | Forced sealing valve seat |
| CN113503375B (en) * | 2021-07-30 | 2022-10-14 | 清华大学 | Pressure self-balancing bidirectional sealing valve seat structure |
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| Publication number | Publication date |
|---|---|
| CN105864451B (en) | 2018-03-06 |
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Effective date of registration: 20181129 Address after: 610000 Industrial Road, Jinyuan Town, Dayi County, Chengdu, Sichuan Co-patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee after: CHENGDU CHENG GAO VALVE Co.,Ltd. Co-patentee after: CHENGDU CHENGFENG FLOW-TECH GROUP Co.,Ltd. Address before: 610000 No. 67 Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. |
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Effective date of registration: 20200714 Address after: Dayi County, Sichuan province 610000 Chengdu Jinyuan Town Industrial Avenue Co-patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee after: CHENGDU CHENG GAO VALVE Co.,Ltd. Co-patentee after: PETROCHINA WEST PIPELINE Co. Co-patentee after: CHENGDU CHENGFENG FLOW-TECH GROUP Co.,Ltd. Address before: Dayi County, Sichuan province 610000 Chengdu Jinyuan Town Industrial Avenue Co-patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. Co-patentee before: CHENGDU CHENGFENG FLOW-TECH GROUP Co.,Ltd. |
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Address after: No. 67, Section 1, Xueshan Avenue, Dayi County, Chengdu City, Sichuan Province, 611330 Patentee after: Chengdu Chenggao Valve Co.,Ltd. Country or region after: China Patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee after: State pipe network group West Pipeline Co.,Ltd. Patentee after: Chengfeng FLOW-TECH Group Address before: 610000 Industrial Road, Jinyuan Town, Dayi County, Chengdu, Sichuan Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. Country or region before: China Patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee before: PETROCHINA WEST PIPELINE Co. Patentee before: CHENGDU CHENGFENG FLOW-TECH GROUP Co.,Ltd. |
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