CN208778741U - A kind of ball valve - Google Patents
A kind of ball valve Download PDFInfo
- Publication number
- CN208778741U CN208778741U CN201821237054.XU CN201821237054U CN208778741U CN 208778741 U CN208778741 U CN 208778741U CN 201821237054 U CN201821237054 U CN 201821237054U CN 208778741 U CN208778741 U CN 208778741U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- backflow
- valve body
- fixture block
- 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 43
- 238000012856 packing Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 20
- 239000012535 impurity Substances 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of ball valves, including valve body and sealing flange, input port is provided on the left of the valve body, and connecting flange is provided on the left of input port, the inside of the valve body is equipped with filter screen, and ball-type valve body is provided on the right side of filter screen, the inside of the ball-type valve body is equipped with ball-type spool, and valve core seal ring is mounted at left and right sides of ball-type spool, the centre of the ball-type spool is provided with spool access, valve stem packing ring is provided with above the ball-type spool, and valve rod is installed on the inside of valve stem packing ring, the centre of the valve rod is equipped with bearing, operating stick is fixed on the right side of the valve rod, and extension rod is connected on the right side of operating stick, anti-backflow sealing ring is installed on the inside of the sealing flange, and sealing flange is located at the right end of valve body, it is provided on the inside of the anti-backflow sealing ring anti- Flow backwards fixture block.The ball valve has the function of that anti-backflow and filtering are arranged, and convenient for opening and closing.
Description
Technical field
The utility model relates to pipeline valve device technical field, specially a kind of ball valve.
Background technique
Ball valve, opening and closing element are driven by valve rod, and the valve to rotate around ball valve axis, also can be used for the adjusting of fluid
Wherein sealing V-type ball valve firmly there is very strong shearing between V-type core and the metal seat valve of pile-up welding hard alloy with control
Power, especially suitable for the medium of fibre-bearing, small solid pellet etc., and multi-pass ball valve not only can flexibly control medium on pipeline
Interflow, shunt and flow direction switching, while any channel can also be closed and make other two channel be connected, such valve exists
It should be generally horizontally mounted in pipeline, ball valve all plays very big effect in various pipe paths.
The good airproof performance of ball valve, but machining accuracy is high, should not use when containing impurity in liquid, as having impurity in pipeline,
It is easily clogged with impurities, damages valve, cause valve that can not open, and ball valve is binary channel valve, can not prevent pipeline liquid
It flows backwards, higher level is be easy to cause to pollute, in the pipeline for needing single channel current, be not available, meanwhile, when hydraulic pressure is larger, spool
Pressure is excessive, and valve is caused to be difficult to open, but growth operating stick can take up space, for this purpose, it is proposed that a kind of with anti-
It flows backwards function and filtering is arranged, and the ball valve convenient for opening and closing.
Utility model content
The purpose of this utility model is to provide a kind of ball valves, to solve the sealing of ball valve mentioned above in the background art
Property it is good, but machining accuracy is high, should not use when containing impurity in liquid, if there is impurity in pipeline, is easily clogged with impurities, and damages
Valve causes valve that can not open, and ball valve is binary channel valve, can not prevent pipeline liquid from flowing backwards, and be easy to cause higher level dirty
Dye is not available in the pipeline for needing single channel current, meanwhile, when hydraulic pressure is larger, spool pressure is excessive, leads to valve
Door is difficult to open, but increases the problem of operating stick can take up space.
To achieve the above object, the utility model provides the following technical solutions: a kind of ball valve, including valve body and seal it is convex
Edge is provided with input port on the left of the valve body, and is provided with connecting flange on the left of input port, the inside installation of the valve body
There is filter screen, and be provided with ball-type valve body on the right side of filter screen, the inside of the ball-type valve body is equipped with ball-type spool, and ball-type
Valve core seal ring is mounted at left and right sides of spool, the centre of the ball-type spool is provided with spool access, the spherical valve
It is provided with valve stem packing ring above core, and valve rod is installed on the inside of valve stem packing ring, the centre of the valve rod is equipped with axis
It holds, operating stick is fixed on the right side of the valve rod, and be connected with extension rod on the right side of operating stick, the inside peace of the sealing flange
Equipped with anti-backflow sealing ring, and sealing flange is located at the right end of valve body, is provided with anti-backflow on the inside of the anti-backflow sealing ring
Fixture block, and spring is installed on the right side of anti-backflow fixture block, spring flange seat, and spring flange seat are provided on the right side of the spring
Right side be provided with delivery outlet, be provided with hydraulic gage above the delivery outlet.
Preferably, the horizontal center line of the filter screen and the horizontal center line of input port are located along the same line, and mistake
Size matches between strainer and input port.
Preferably, the vertical centerline between the valve core seal ring about ball-type spool is symmetrical, and valve core seal ring with
Size matches between ball-type spool.
Preferably, the horizontal center line of the horizontal center line and extension rod of the operating stick is on same straight line, and is grasped
Make size between bar and extension rod to match.
Preferably, size matches between the anti-backflow fixture block and sealing flange, and the tapered structure of anti-backflow fixture block.
Preferably, size matches between the anti-backflow sealing ring and anti-backflow fixture block, and the vertical centerline of spring
It is located along the same line with the vertical centerline of anti-backflow fixture block.
Compared with prior art, the utility model has the beneficial effects that the ball valve has the function of that anti-backflow and filtering are arranged,
And convenient for opening and closing, it is provided with filter screen in the input port of ball valve, liquid can be filtered, prevent impurity from blocking ball
Valve damages valve, causes valve that can not open, the size of filter screen matches with the size of input port, it is ensured that liquid
Filtering completely, prevents impurity from entering ball valve, valve core seal ring, valve core seal ring and ball is provided at left and right sides of ball-type spool
Size matches between type spool, can tightly be bonded with ball-type spool when valve is closed, guarantee the leakproofness of ball valve, grasp
Make bar nesting to be installed on inside extension rod, size matches between operating stick and extension rod, can be on the same level straight line
Free extension changes the entire length of operating stick and extension rod, is convenient for Lengthened moment arm when elongation, is conducive to beat when hydraulic pressure is higher
Valve opening door, when shortening, are conducive to save space, the tapered structure of anti-backflow fixture block inside ball valve, the size between sealing flange
It matches, it is ensured that the unidirectional passability of ball valve internal liquid, pyramidal structure are conducive to reduce the resistance by direction, increase
The pressure of countercurrent direction guarantees unidirectionally passing through for liquid, is provided with anti-backflow sealing ring on the inside of sealing flange, can be in anti-backflow
When fixture block is bonded with sealing flange, guarantee the leakproofness between anti-backflow fixture block and sealing flange, the spring installed by inside,
The automatic closure that can guarantee anti-backflow fixture block guarantees the unidirectional passability of ball valve, prevents liquid from flowing backwards.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model surface structure schematic diagram；
Fig. 3 is the utility model left side structure schematic diagram.
In figure: 1, valve body；2, input port；3, connecting flange；4, filter screen；5, ball-type valve body；6, ball-type spool；7, spool
Sealing ring；8, spool access；9, valve stem packing ring；10, valve rod；11, bearing；12, operating stick；13, extension rod；14, it seals convex
Edge；15, anti-backflow sealing ring；16, anti-backflow fixture block；17, spring；18, spring flange seat；19, delivery outlet；20, hydraulic gage.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of ball valve, including valve body 1 and sealing flange
14, the left side of valve body 1 is provided with input port 2, and the left side of input port 2 is provided with connecting flange 3, and the inside of valve body 1 is equipped with
Filter screen 4, and the right side of filter screen 4 is provided with ball-type valve body 5, the horizontal center line of filter screen 4 and the horizontal centre of input port 2
Line is located along the same line, and size matches between filter screen 4 and input port 2, is provided with filter screen in the input port 2 of ball valve
4, liquid can be filtered, prevent impurity from blocking ball valve, damaged valve, cause valve that can not open, the size of filter screen 4
It matches with the size of input port 2, it is ensured that the complete filtering of liquid prevents impurity from entering ball valve, the inside of ball-type valve body 5
Ball-type spool 6 is installed, and the left and right sides of ball-type spool 6 is mounted on valve core seal ring 7, between valve core seal ring 7 about
The vertical centerline of ball-type spool 6 is symmetrical, and size matches between valve core seal ring 7 and ball-type spool 6, ball-type spool 6
The left and right sides is provided with valve core seal ring 7, and size matches between valve core seal ring 7 and ball-type spool 6, can close in valve
It when closing, is tightly bonded with ball-type spool 6, guarantees the leakproofness of ball valve, the centre of ball-type spool 6 is provided with spool access 8, ball-type
The top of spool 6 is provided with valve stem packing ring 9, and the inside of valve stem packing ring 9 is equipped with valve rod 10, the intermediate installation of valve rod 10
There is bearing 11, the right side of valve rod 10 is fixed with operating stick 12, and the right side of operating stick 12 is connected with extension rod 13, operating stick 12
The horizontal center line of horizontal center line and extension rod 13 is on same straight line, and size phase between operating stick 12 and extension rod 13
Cooperation, 12 nesting of operating stick are installed on inside extension rod 13, and size matches between operating stick 12 and extension rod 13, in same
On horizontal linear, the entire length that can change operating stick 12 and extension rod 13 with free extension has convenient for Lengthened moment arm when elongation
Conducive to opening valve when hydraulic pressure is higher, when shortening, is conducive to save space, and it is close that the inside of sealing flange 14 is equipped with anti-backflow
Seal 15, and sealing flange 14 is located at the right end of valve body 1, the inside of anti-backflow sealing ring 15 is provided with anti-backflow fixture block 16, and
The right side of anti-backflow fixture block 16 is equipped with spring 17, and size matches between anti-backflow fixture block 16 and sealing flange 14, and anti-down
The tapered structure of fixture block 16 is flowed, the tapered structure of anti-backflow fixture block 16 inside ball valve, size matches between sealing flange 14
It closes, it is ensured that the unidirectional passability of ball valve internal liquid, pyramidal structure are conducive to reduce the resistance by direction, increase adverse current
The pressure in direction guarantees unidirectionally passing through for liquid, and size matches between anti-backflow sealing ring 15 and anti-backflow fixture block 16, and bullet
The vertical centerline of spring 17 and the vertical centerline of anti-backflow fixture block 16 are located along the same line, and are provided on the inside of sealing flange 14
Anti-backflow sealing ring 15 can guarantee that anti-backflow fixture block 16 and sealing are convex when anti-backflow fixture block 16 is bonded with sealing flange 14
Leakproofness between edge 14 passes through the spring 17 of inside installation, it is ensured that the automatic closure of anti-backflow fixture block 16 guarantees ball valve
Unidirectional passability, prevent liquid from flowing backwards, the right side of spring 17 is provided with spring flange seat 18, and the right side of spring flange seat 18
It is provided with delivery outlet 19, the top of delivery outlet 19 is provided with hydraulic gage 20.
Working principle: using this kind of ball valve, whole device be installed in pipeline first, by connecting flange 3 by ball
Valve accesses pipeline, then can begin to use, and 12 nesting of operating stick is installed on inside extension rod 13, and extension rod 13 is extracted out, grasps
The entire length for making bar 12 and extension rod 13 increases, and is convenient for Lengthened moment arm, by pushing extension rod 13 and operating stick 12 to rotate valve
Bar 10, the bearing 11 on valve rod 10 can reduce frictional force, and convenient for more easily rotation valve rod 10, valve rod 10 drives ball-type spool
6 rotations, by spool access 8 towards 2 one end of input port, i.e., openable valve, the liquid in pipeline reaches filter screen through input port 2
4, filter screen 4 is filtered liquid, prevents impurity from blocking ball valve, damages valve, causes valve that can not open, and then liquid passes through
It crosses spool access 8 and reaches sealing flange 14, liquid is pushed anti-backflow fixture block 16 by pressure influence, reached by sealing flange 14 defeated
Outlet 19, hydraulic gage 20 (model OPG-AT-R-60) can monitor the pressure inside ball valve, when liquid is flow backwards, spring 17
Automatically anti-backflow fixture block 16 is bonded with sealing flange 14, anti-backflow sealing ring 15 guarantees anti-backflow fixture block 16 and sealing flange 14
Between leakproofness, prevent liquid from flowing backwards, complete the use process of entire ball valve like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of ball valve, including valve body (1) and sealing flange (14), it is characterised in that: be provided on the left of the valve body (1) defeated
Entrance (2), and connecting flange (3) are provided on the left of input port (2), the inside of the valve body (1) is equipped with filter screen (4),
And ball-type valve body (5) are provided on the right side of filter screen (4), the inside of the ball-type valve body (5) is equipped with ball-type spool (6), and
It is mounted at left and right sides of ball-type spool (6) valve core seal ring (7), it is logical that the centre of the ball-type spool (6) is provided with spool
Road (8) is provided with valve stem packing ring (9) above the ball-type spool (6), and is equipped with valve on the inside of valve stem packing ring (9)
The centre of bar (10), the valve rod (10) is equipped with bearing (11), is fixed with operating stick (12) on the right side of the valve rod (10), and
It is connected on the right side of operating stick (12) extension rod (13), anti-backflow sealing ring is installed on the inside of the sealing flange (14)
(15), and sealing flange (14) is located at the right end of valve body (1), is provided with anti-backflow card on the inside of the anti-backflow sealing ring (15)
Block (16), and spring (17) are installed on the right side of anti-backflow fixture block (16), spring flange is provided on the right side of the spring (17)
Seat (18), and delivery outlet (19) are provided on the right side of spring flange seat (18), hydraulic pressure is provided with above the delivery outlet (19)
It counts (20).
2. a kind of ball valve according to claim 1, it is characterised in that: the horizontal center line of the filter screen (4) and input
The horizontal center line of mouth (2) is located along the same line, and size matches between filter screen (4) and input port (2).
3. a kind of ball valve according to claim 1, it is characterised in that: about spherical valve between the valve core seal ring (7)
The vertical centerline of core (6) is symmetrical, and size matches between valve core seal ring (7) and ball-type spool (6).
4. a kind of ball valve according to claim 1, it is characterised in that: the horizontal center line of the operating stick (12) and extension
The horizontal center line of bar (13) is on same straight line, and size matches between operating stick (12) and extension rod (13).
5. a kind of ball valve according to claim 1, it is characterised in that: the anti-backflow fixture block (16) and sealing flange (14)
Between size match, and anti-backflow fixture block (16) tapered structure.
6. a kind of ball valve according to claim 1, it is characterised in that: the anti-backflow sealing ring (15) and anti-backflow fixture block
(16) size matches between, and the vertical centerline of spring (17) and the vertical centerline of anti-backflow fixture block (16) are positioned at same
On straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821237054.XU CN208778741U (en) | 2018-08-02 | 2018-08-02 | A kind of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821237054.XU CN208778741U (en) | 2018-08-02 | 2018-08-02 | A kind of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778741U true CN208778741U (en) | 2019-04-23 |
Family
ID=66155155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821237054.XU Expired - Fee Related CN208778741U (en) | 2018-08-02 | 2018-08-02 | A kind of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778741U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765365A (en) * | 2020-07-07 | 2020-10-13 | 山东飞鹿阀门科技有限公司 | Modularized drain valve with filter screen and installation method |
| CN112223365A (en) * | 2020-09-27 | 2021-01-15 | 重庆三创印刷有限公司 | Cutting device of printing machine |
-
2018
- 2018-08-02 CN CN201821237054.XU patent/CN208778741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765365A (en) * | 2020-07-07 | 2020-10-13 | 山东飞鹿阀门科技有限公司 | Modularized drain valve with filter screen and installation method |
| CN112223365A (en) * | 2020-09-27 | 2021-01-15 | 重庆三创印刷有限公司 | Cutting device of printing machine |
| CN112223365B (en) * | 2020-09-27 | 2022-03-29 | 重庆三创印刷有限公司 | Cutting device of printing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 |