CN108758077A - A kind of new multi-purpose ball valve - Google Patents
A kind of new multi-purpose ball valve Download PDFInfo
- Publication number
- CN108758077A CN108758077A CN201810971652.8A CN201810971652A CN108758077A CN 108758077 A CN108758077 A CN 108758077A CN 201810971652 A CN201810971652 A CN 201810971652A CN 108758077 A CN108758077 A CN 108758077A
- Authority
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- China
- Prior art keywords
- sphere
- ball valve
- flow
- rate adjustment
- new multi
- 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.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 239000012141 concentrate Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- 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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
-
- 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
-
- 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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of new multi-purpose ball valves, it is related to ball valve technical field, the side of valve body offers traffic ingress, the other side offers flowexit, and valve rod is provided through at the top of valve body, flow-rate adjustment component is provided at the top of the traffic ingress, the top side of the valve rod is installed with spanner, and the bottom end of valve rod is located at the interior location of valve body and is provided with sphere, the bottom end of the sphere is provided with rotation axis.Structure of the invention is scientific and reasonable, it is easy to operate, pass through the flow-rate adjustment component of setting, the adjustment up and down of streamer adjustable plate can be driven by adjusting adjusting bolt, to realize the flow-rate adjustment inside traffic ingress, play certain cushioning effect, pass through the cutting plane of setting, impact resistance and the abrasion resistance properties of sphere can be improved when ball valve is closed, pass through the filter screen being arranged inside inlet opening, can in fluid solid particle and impurity play certain filtration treatment, and its installing and dismounting is simple.
Description
Technical field
The present invention relates to ball valve technical field, specifically a kind of new multi-purpose ball valve.
Background technology
In China, ball valve be widely used petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power,
The industries such as municipal administration, steel occupy very important status in national economy, it is with the action being rotated by 90 °, faucet body
Sphere has circular through hole or channel by its axis, and ball valve is mainly used to make the stream for cutting off, distributing and changing medium in pipeline
Dynamic direction, ball valve are generally divided into pneumatic ball valve, electrical ball valve, manual ball valve three classes.
Through retrieval, Chinese patent discloses a kind of ball valve（Authorization Notice No. CN205841837U）, patented technology installation
When, cushion block is fixedly connected with sphere, and the polygon bulge loop for pacifying stem bottom is inserted into inside cushion block, and in rotation valve rod, valve rod can
To drive cushion block and convex block to rotate together, due to being that cushion block is in direct contact with valve rod, what is first worn is cushion block,
After cushion block is worn, it is only necessary to replace cushion block, change new cushion block, at this time since sphere is not by any
Damage, therefore, sphere remains able to normal use, extends the service life of sphere, and still, ball valve in the prior art is not only
It is complicated, and have a single function, sealing effect is poor, leakage phenomenon easily occurs, while ball seal face is spherical shape, is caused
Hydraulic shock dynamics concentrates at sphere protrusion, reduces the service life of sphere, and does not have filter screen, cannot to fluid into
Row filtration treatment, practicability are poor.Therefore, those skilled in the art provide a kind of new multi-purpose ball valve, above-mentioned to solve
The problem of being proposed in background technology.
Invention content
The purpose of the present invention is to provide a kind of new multi-purpose ball valves, to solve ball valve mentioned above in the background art
It is not only complicated, but also have a single function, sealing effect is poor, leakage phenomenon easily occurs, while ball seal face is spherical shape,
Cause hydraulic shock dynamics to concentrate at sphere protrusion, reduce the service life of sphere, and do not have filter screen, is unable to convection current
Body is filtered processing, the poor problem of practicability.
To achieve the above object, the present invention provides the following technical solutions：
The side of a kind of new multi-purpose ball valve, including valve body, the valve body offers traffic ingress, and the other side offers flow
Outlet, and valve rod is provided through at the top of valve body, flow-rate adjustment component, the valve rod are provided at the top of the traffic ingress
Top side be installed with spanner, and the bottom end of valve rod is located at the interior location of valve body and is provided with sphere, the sphere
Bottom end be provided with rotation axis, and the bottom end of sphere is located at two side positions of rotation axis and is mounted on sealing ring.
As a further solution of the present invention：The flow-rate adjustment component includes streamer adjustable plate, adjusting bolt, fixation
The lower surface of block, washer and fastening nut, the streamer adjustable plate is installed with adjusting bolt, and the lower section of streamer adjustable plate
It is arranged with fixed block at the outer fix of adjusting bolt, the junction of the streamer adjustable plate and fixed block is provided with pad
Circle, the lower position that the outside of the adjusting bolt is located at fixed block are arranged with fastening nut.
As further scheme of the invention：There are two the flow-rate adjustment component is arranged altogether, and two flow-rate adjustments
Modular construction is equal, and described two flow-rate adjustment components are symmetrically mounted on the top and bottom of traffic ingress.
As further scheme of the invention：The streamer adjustable plate is fixedly connected with fixed block by adjusting bolt,
Described adjusting bolt one end is arranged in the inside of traffic ingress, and the other end is arranged in the outside of traffic ingress.
As further scheme of the invention：The side of the sphere offers inlet opening, and the other side offers water outlet
Hole, and cutting plane is provided on front side of sphere, through-hole is offered at the top of the sphere, and the top of sphere is located at through-hole
Rubber ring is provided at outer fix, the inside of the inlet opening is installed with filter screen, and the both ends of inlet opening are respectively provided with
There is a fixing axle, the junction of the inlet opening and filter screen offers fixing groove.
As further scheme of the invention：The filter screen engages company with inlet opening by fixing axle and fixing groove
It connects, there are two the fixing axle is arranged altogether, is separately mounted to the upper and lower ends of filter screen, there are two the fixing groove is arranged altogether,
And two fixing grooves are symmetrical arranged.
As further scheme of the invention：There are two the cutting plane is arranged altogether, and two cutting planes are symmetrical
Distribution, the cutting plane are circular configuration.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention can drive the upper downward of streamer adjustable plate by the flow-rate adjustment component of setting by adjusting adjusting bolt
It is whole, to realize the flow-rate adjustment inside traffic ingress, certain cushioning effect is played, it is excessive to sphere production to reduce flow rate of liquid
Raw impact dynamics, extends the service life of ball valve；
2, the present invention can improve impact resistance and the abrasion resistance properties of sphere by the cutting plane of setting when ball valve is closed,
Overcome traditional sphere because closing face is spherical shape, causes hydraulic shock dynamics to concentrate on the defect at sphere protrusion, extend sphere
Service life；
3, the present invention is by the filter screen that is arranged inside inlet opening, can in fluid solid particle and impurity play it is certain
Filtration treatment, and its installing and dismounting is simple, is convenient for changing and cleans, and provides facility for user, increases the practicality；
4, the present invention is by the sealing ring, washer, rubber ring of setting, can reduce rubbing between each component during ball valve use
It wipes, disperses the stress between all parts, extend the service life of each component, improve the sealing performance of ball valve, to extend ball
The whole service life of valve saves production cost.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of new multi-purpose ball valve；
Fig. 2 is a kind of internal structure schematic diagram of new multi-purpose ball valve；
Fig. 3 is a kind of structural schematic diagram of flow-rate adjustment component in new multi-purpose ball valve；
Fig. 4 is a kind of structural schematic diagram of sphere in new multi-purpose ball valve；
Fig. 5 is a kind of mounting structure schematic diagram of filter screen in new multi-purpose ball valve.
In figure：1, valve body；2, traffic ingress；3, flowexit；4, valve rod；5, spanner；6, flow-rate adjustment component；7, ball
Body；8, inlet opening；9, apopore；10, filter screen；11, rotation axis；12, sealing ring；13, cutting plane；14, streamer adjustable plate；
15, adjusting bolt；16, fixed block；17, washer；18, fastening nut；19, through-hole；20, rubber ring；21, fixing axle；22, fixed
Slot.
Specific implementation mode
Please refer to Fig.1~5, in the embodiment of the present invention, a kind of new multi-purpose ball valve, including valve body 1, the side of valve body 1
Traffic ingress 2 is offered, the other side offers flowexit 3, and the top of valve body 1 is provided through valve rod 4, traffic ingress 2
Top be provided with flow-rate adjustment component 6, flow-rate adjustment component 6 is altogether there are two settings, and two 6 structure phases of flow-rate adjustment component
The top and bottom of traffic ingress 2 are symmetrically mounted on Deng, two flow-rate adjustment components 6, flow-rate adjustment component 6 includes that streamer is adjusted
The lower surface of plate 14, adjusting bolt 15, fixed block 16, washer 17 and fastening nut 18, streamer adjustable plate 14 is installed with tune
Bolt 15 is saved, and the lower section of streamer adjustable plate 14 is located at the outer fix of adjusting bolt 15 and is arranged with fixed block 16, streamer tune
Section plate 14 and the junction of fixed block 16 are provided with washer 17, and the outside of adjusting bolt 15 is located at the lower position of fixed block 16
It is arranged with fastening nut 18, streamer adjustable plate 14 is fixedly connected with fixed block 16 by adjusting bolt 15,15 one end of adjusting bolt
It is arranged in the inside of traffic ingress 2, the other end is arranged in the outside of traffic ingress 2, and the top side of valve rod 4, which is installed with, to be pulled
Hand 5, and the bottom end of valve rod 4 is located at the interior location of valve body 1 and is provided with sphere 7, passes through the flow-rate adjustment component 6 of setting, energy
Enough adjustment up and down that streamer adjustable plate 14 is driven by adjusting adjusting bolt 15, to realize the flow tune inside traffic ingress 2
Section plays certain cushioning effect, reduces the excessive impact dynamics generated to sphere 7 of flow rate of liquid, and extend ball valve uses the longevity
Life.
The bottom end of sphere 7 is provided with rotation axis 11, and the bottom end of sphere 7 is located at two side positions of rotation axis 11 and is respectively mounted
There are sealing ring 12, the side of sphere 7 to offer inlet opening 8, the other side offers apopore 9, and the front side of sphere 7 is provided with and cuts
The face of scabbling 13, there are two the total settings in cutting plane 13, and two cutting planes 13 are symmetrical, and cutting plane 13 is round ties
Structure can improve impact resistance and the abrasion resistance properties of sphere 7 when ball valve is closed, overcome biography by the cutting plane 13 of setting
Sphere 7 unite because closing face is spherical shape, causes hydraulic shock dynamics to concentrate on the defect at 7 protrusion of sphere, extends the use of sphere 7
Service life.
The top of sphere 7 offers through-hole 19, and the top of sphere 7 is located at the outer fix of through-hole 19 and is provided with rubber
Circle 20, the inside of inlet opening 8 is installed with filter screen 10, and the both ends of inlet opening 8 are both provided with fixing axle 21, inlet opening 8
Fixing groove 22 is offered with the junction of filter screen 10, filter screen 10 is engaged with inlet opening 8 by fixing axle 21 and fixing groove 22
Connection, fixing axle 21 there are two settings, are separately mounted to the upper and lower ends of filter screen 10 altogether, and there are two the total settings of fixing groove 22,
And two fixing grooves 22 are symmetrical arranged, the filter screen 10 being arranged by 8 inside of inlet opening, can in fluid solid particle and
Impurity plays certain filtration treatment, and its installing and dismounting is simple, is convenient for changing and cleans, and facility is provided for user, increases
The practicality；By the sealing ring 12, washer 17, rubber ring 20 of setting, can reduce during ball valve use between each component
Friction, disperse all parts between stress, extend the service life of each component, improve the sealing performance of ball valve, to prolong
The whole service life of long ball valve saves production cost.
Specific implementation is described as follows：
During ball valve use, by the flow-rate adjustment component 6 of setting, it can utilize adjustment adjusting bolt 15 that streamer is driven to adjust
The adjustment up and down of plate 14 plays certain cushioning effect to realize the flow-rate adjustment inside traffic ingress 2, reduces liquid flow
The excessive impact dynamics generated to sphere 7 of speed, extends the service life of ball valve, meanwhile, when ball valve is closed, pass through cutting for setting
The face of scabbling 13 can improve impact resistance and the abrasion resistance properties of sphere 7, overcome traditional sphere 7 because closing face is spherical shape, lead to liquid
Body impact dynamics concentrates on the defect at 7 protrusion of sphere, extends the service life of sphere 7, further, by inlet opening 8
Portion setting filter screen 10, can in fluid solid particle and impurity play certain filtration treatment, and its installing and dismounting
Simply, it is convenient for changing and cleans, provide facility for user, increase the practicality, finally, pass through the sealing ring 12 of setting, pad
Circle 17, rubber ring 20 can reduce the friction between each component during ball valve use, disperse the stress between all parts,
The service life for extending each component improves the sealing performance of ball valve, and to extend the whole service life of ball valve, saving is produced into
This, the design is not only simple in structure, and leakproofness is preferable.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of new multi-purpose ball valve, including valve body（1）, which is characterized in that the valve body（1）Side offer flow and enter
Mouthful（2）, the other side offers flowexit（3）, and valve body（1）Top be provided through valve rod（4）, the traffic ingress
（2）Top be provided with flow-rate adjustment component（6）, the valve rod（4）Top side be installed with spanner（5）, and valve rod
（4）Bottom end be located at valve body（1）Interior location at be provided with sphere（7）, the sphere（7）Bottom end be provided with rotation axis
（11）, and sphere（7）Bottom end be located at rotation axis（11）Two side positions at be mounted on sealing ring（12）.
2. a kind of new multi-purpose ball valve according to claim 1, which is characterized in that the flow-rate adjustment component（6）Packet
Include streamer adjustable plate（14）, adjusting bolt（15）, fixed block（16）, washer（17）And fastening nut（18）, the streamer adjusting
Plate（14）Lower surface be installed with adjusting bolt（15）, and streamer adjustable plate（14）Lower section be located at adjusting bolt（15）'s
Fixed block is arranged at outer fix（16）, the streamer adjustable plate（14）With fixed block（16）Junction be provided with washer
（17）, the adjusting bolt（15）Outside be located at fixed block（16）Lower position be arranged with fastening nut（18）.
3. a kind of new multi-purpose ball valve according to claim 1, which is characterized in that the flow-rate adjustment component（6）Altogether
There are two settings, and two flow-rate adjustment components（6）Structure is equal, described two flow-rate adjustment components（6）It is symmetrically mounted on stream
Measure entrance（2）Top and bottom.
4. a kind of new multi-purpose ball valve according to claim 2, which is characterized in that the streamer adjustable plate（14）With it is solid
Determine block（16）Pass through adjusting bolt（15）It is fixedly connected, the adjusting bolt（15）One end is arranged in traffic ingress（2）Inside,
The other end is arranged in traffic ingress（2）Outside.
5. a kind of new multi-purpose ball valve according to claim 1, which is characterized in that the sphere（7）Side open up
There is inlet opening（8）, the other side offers apopore（9）, and sphere（7）Front side be provided with cutting plane（13）, the sphere
（7）Top offer through-hole（19）, and sphere（7）Top be located at through-hole（19）Outer fix at be provided with rubber ring
（20）, the inlet opening（8）Inside be installed with filter screen（10）, and inlet opening（8）Both ends be both provided with fixing axle
（21）, the inlet opening（8）With filter screen（10）Junction offer fixing groove（22）.
6. a kind of new multi-purpose ball valve according to claim 5, which is characterized in that the filter screen（10）With inlet opening
（8）Pass through fixing axle（21）And fixing groove（22）It is connected together, the fixing axle（21）Altogether there are two settings, it was separately mounted to
Strainer（10）Upper and lower ends, the fixing groove（22）Altogether there are two settings, and two fixing grooves（22）It is symmetrical arranged.
7. a kind of new multi-purpose ball valve according to claim 5, which is characterized in that the cutting plane（13）Setting altogether
There are two, and two cutting planes（13）It is symmetrical, the cutting plane（13）For circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971652.8A CN108758077A (en) | 2018-08-24 | 2018-08-24 | A kind of new multi-purpose ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971652.8A CN108758077A (en) | 2018-08-24 | 2018-08-24 | A kind of new multi-purpose ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108758077A true CN108758077A (en) | 2018-11-06 |
Family
ID=63966723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810971652.8A Pending CN108758077A (en) | 2018-08-24 | 2018-08-24 | A kind of new multi-purpose ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108758077A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614495A (en) * | 2022-09-22 | 2023-01-17 | 浙江中控流体技术有限公司 | Ball valve with concave ball sealing surface |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201296485Y (en) * | 2008-11-12 | 2009-08-26 | 李俊 | Bidirectional manual inserting plate door |
| CN203703217U (en) * | 2014-01-24 | 2014-07-09 | 温州鼎创管阀有限公司 | Ball valve |
| CN104061339A (en) * | 2013-03-18 | 2014-09-24 | 王志强 | Ball valve integrated filter |
| CN205896241U (en) * | 2016-06-03 | 2017-01-18 | 上海市高级技工学校 | Ball valve |
| CN206036281U (en) * | 2016-07-30 | 2017-03-22 | 盐城圣科球阀有限公司 | Automatic clear ball valve |
-
2018
- 2018-08-24 CN CN201810971652.8A patent/CN108758077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201296485Y (en) * | 2008-11-12 | 2009-08-26 | 李俊 | Bidirectional manual inserting plate door |
| CN104061339A (en) * | 2013-03-18 | 2014-09-24 | 王志强 | Ball valve integrated filter |
| CN203703217U (en) * | 2014-01-24 | 2014-07-09 | 温州鼎创管阀有限公司 | Ball valve |
| CN205896241U (en) * | 2016-06-03 | 2017-01-18 | 上海市高级技工学校 | Ball valve |
| CN206036281U (en) * | 2016-07-30 | 2017-03-22 | 盐城圣科球阀有限公司 | Automatic clear ball valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614495A (en) * | 2022-09-22 | 2023-01-17 | 浙江中控流体技术有限公司 | Ball valve with concave ball sealing surface |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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| RJ01 | Rejection of invention patent application after publication |