CN207609788U - A kind of water hammer-resistant butterfly valve - Google Patents
A kind of water hammer-resistant butterfly valve Download PDFInfo
- Publication number
- CN207609788U CN207609788U CN201721665260.6U CN201721665260U CN207609788U CN 207609788 U CN207609788 U CN 207609788U CN 201721665260 U CN201721665260 U CN 201721665260U CN 207609788 U CN207609788 U CN 207609788U
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- Prior art keywords
- water hammer
- axis
- valve
- butterfly valve
- resistant butterfly
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Abstract
The utility model provides a kind of water hammer-resistant butterfly valve, the top and bottom of valve body are rotatably connected respectively upper axis and lower axle, there are one valve plate skeletons for connection between upper axis and lower axle, the inside and both sides of valve plate skeleton, which vulcanize, rubber valve plate, the both sides of rubber valve plate are respectively fitted with a limit shell, and two limit shells, which are dug, multiple deflector holes.A kind of water hammer-resistant butterfly valve described in the utility model, determines section elastic deformation structure by the way that common valve plate to be transformed into, and impact of water hammer peak value is absorbed in certain space, slows down the impact failure that water hammer generates pipeline significantly.
Description
Technical field
The utility model belongs to valve technology field, more particularly, to a kind of water hammer-resistant butterfly valve.
Background technology
Butterfly valve is mainly used to do in pipeline switching medium, butterfly valve hindered with fluid it is small, it is simple in structure, valve plate and valve seat with
Medium is isolated, and channel is smooth, is not easy deposition medium, and valve plate switching motion can remove deposition, be applicable not only to one
As working media, but also suitable for the severe medium of operating condition, be widely used in oil, chemical industry, power generation, papermaking,
In the every field such as atomic energy, aviation, flue gas desulfurization, rocket and in daily life, existing butterfly valve is when closed
Due to impact of water hammer, it is easy to make other original papers on valve and pipeline to damage, makes line rupture protection valve.
Invention content
In view of this, the utility model is directed to a kind of water hammer-resistant butterfly valve, to mitigate damage of the water hammer to pipeline, protect
Demonstrate,prove pipeline normal operation.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of water hammer-resistant butterfly valve, including：Valve body, the top and bottom of valve body are rotatably connected have upper axis and lower axle respectively,
One group of valve plate skeleton is connected between upper axis and lower axle, the inside and both sides of valve plate skeleton, which vulcanize, rubber valve plate, rubber valve
The both sides of plate are respectively fitted with a limit shell, and limit shell is connected to valve plate skeleton, the middle parts of two limit shells phase to each other
A mutually separate lateral process, two limit shells, which are dug, multiple deflector holes.
Further, the valve body is cylinder.
Further, the opposite both ends of the valve body are separately connected there are one stop collar, and the axis of stop collar is perpendicular to valve
The flow of media axis of body.
Further, the stop collar include upper limit set and lower limit set, upper axis pass through upper limit set, under be located in down
Inside stop collar.
Further, the one end of the lower limit set far from valve body is connected with end cap, is equipped between lower limit set and lower axle
End cap O-ring.
Further, close equipped with anti-blow device, OV sealing rings and two axle sleeves, OV between the upper limit set and upper axis
Seal is set between two axle sleeves.
Further, the upper axis digging has annular groove, and the inner wall digging of upper limit set is fluted, and anti-blow device includes bullet
Property baffle ring, gasket and divided ring, divided ring is sticked in the groove of axis, and the upside of divided ring is equipped with gasket and circlip,
Gasket is set between divided ring and circlip, and circlip is sticked in the groove of upper limit set.
Further, the inner wall of the valve body is connected with rubber valve seat, and rubber valve seat is annular, rubber valve seat and valve body it
Between bonded by heat cure.
Further, it is connected by multiple bolt groups between valve plate skeleton and limit shell, bolt group includes assembling plain cushion, group
Fill bolt, group loading nut and assembling O-ring.
Further, the upper axis connection is symmetrical centered on the axis of two above axis of key there are two key.
Compared with the existing technology, a kind of water hammer-resistant butterfly valve described in the utility model has the advantage that：
A kind of water hammer-resistant butterfly valve described in the utility model determines section flexible deformation knot by the way that common valve plate to be transformed into
Structure absorbs impact of water hammer peak value in certain space, slows down the impact failure that water hammer generates pipeline significantly, with its in pipeline
He eliminates water-hammer device and is used cooperatively, to reach each node：The good result of " disappear prevent altogether together ".
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the axonometric drawing of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the sectional view in the directions A-A in Fig. 2；
Fig. 4 is the partial enlarged view of part B in Fig. 3；
Fig. 5 is the partial enlarged view of C portion in Fig. 3；
Fig. 6 is the partial enlarged view of the parts D in Fig. 3；
Fig. 7 is the partial enlarged view of the parts E in Fig. 3.
Reference sign：
The upper axis of 1-；2- circlips；3- gaskets；4- divided rings；5- axle sleeves；6-OV sealing rings；7- upper limit sets；8- rubber
Valve seat；9- rubber valve plates；10- limits shell；11- deflector holes；12- lower axles；13- end cap O-rings；14- end caps；15- keys；16- groups
Fill O-ring；17- assembles plain cushion；18- erection bolts；19- group loading nuts；20- valve plate skeletons；21- valve bodies；22- lower limit sets.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Fig. 1~7, a kind of water hammer-resistant butterfly valve, including：The top and bottom difference of valve body 21, valve body 21 is rotatable
Be connected with axis 1 and lower axle 12, be connected with one group of valve plate skeleton 20 between upper axis 1 and lower axle 12, the inside of valve plate skeleton 20 and
Both sides, which vulcanize, rubber valve plate 9, and the both sides of rubber valve plate 9 are respectively fitted with a limit shell 10, and limit shell 10 is connected to valve
Framework 20, the lateral process that is located remotely from each other to each other of middle part for two limit shells 10, two limit shells 10 dig have it is multiple
Deflector hole 11.
The valve body 21 is cylinder.
The opposite both ends of the valve body 21 are separately connected there are one stop collar, the Jie of the axis of stop collar perpendicular to valve body 21
Mass flow axis line.
The stop collar includes upper limit set 7 and lower limit set 22, and upper axis 1 passes through upper limit to cover 7, and lower axle 12 is set to lower limit
Inside position set 22.
The lower limit covers 22 one end far from valve body 21 and is connected with end cap 14, is equipped between lower limit set 22 and lower axle 12
End cap O-ring 13.
It is equipped with anti-blow device, OV sealing rings 6 and two axle sleeves 5, OV sealing rings 6 between the upper limit set 7 and upper axis 1
Between two axle sleeves 5.
The digging of upper axis 1 has annular groove, and the inner wall digging of upper limit set 7 is fluted, and anti-blow device includes circlip
2, gasket 3 and divided ring 4, divided ring 4 are sticked in the groove of axis 1, and the upside of divided ring 4 is equipped with gasket 3 and circlip
2, gasket 3 is set between divided ring 4 and circlip 2, and circlip 2 is sticked in the groove of upper limit set 7.
The inner wall of the valve body 21 is connected with rubber valve seat 8, and rubber valve seat 8 is annular, between rubber valve seat 8 and valve body 21
It is bonded by heat cure.
It is connected by multiple bolt groups between valve plate skeleton 20 and limit shell 10, bolt group includes assembling plain cushion 17, assembling
Bolt 18, group loading nut 19 and assembling O-ring 16.
The upper axis 1 connection is symmetrical centered on the axis of two 15 or more axis 1 of key there are two key 15.
The device operation principle, when using the valve, by the both ends of valve and piping connection, upper axis 1 is connected by key 15
It is connected to driving device, in use, rotating upper axis 1 by driving device, opens valve, axis and the pipeline axis of rubber valve plate 9
Vertically, the deflector hole 11 of limit shell 10 is conducive to the flowing of water, and when closing valve, axis 1 in rotation, rubber valve plate 9 rotates 90 °,
Since in the moment for closing valve, rate-of flow is mutated to form water hammer, due to having the presence of rubber valve plate 9, water hammer medium that can squeeze
Pressure rubber valve plate 9 simultaneously makes it generate flexible deformation, mitigates the impact force of water hammer, plays the role of protecting pipeline parts, limits shell
10 are used for limiting rubber valve plate 9, prevent rubber valve plate 9 from crossing deformation tearing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of water hammer-resistant butterfly valve, it is characterised in that：Including：The top and bottom difference of valve body (21), valve body (21) is rotatable
It is connected with axis (1) and lower axle (12), one group of valve plate skeleton (20), valve plate skeleton are connected between upper axis (1) and lower axle (12)
(20) inside and both sides, which vulcanizes, rubber valve plate (9), and the both sides of rubber valve plate (9) are respectively fitted with a limit shell
(10), limit shell (10) is connected to valve plate skeleton (20), the side that two middle parts for limiting shells (10) are located remotely from each other to each other
Protrusion, two limit shells (10), which are dug, multiple deflector holes (11).
2. a kind of water hammer-resistant butterfly valve according to claim 1, it is characterised in that：The valve body (21) is cylinder.
3. a kind of water hammer-resistant butterfly valve according to claim 2, it is characterised in that：The opposite both ends difference of the valve body (21)
Connection is there are one stop collar, the flow of media axis of the axis of stop collar perpendicular to valve body (21).
4. a kind of water hammer-resistant butterfly valve according to claim 3, it is characterised in that：The stop collar includes upper limit set (7)
With lower limit set (22), upper axis (1) passes through upper limit set (7), and it is internal that lower axle (12) is set to lower limit set (22).
5. a kind of water hammer-resistant butterfly valve according to claim 4, it is characterised in that：The lower limit set (22) is far from valve body
(21) one end is connected with end cap (14), and end cap O-ring (13) is equipped between lower limit set (22) and lower axle (12).
6. a kind of water hammer-resistant butterfly valve according to claim 4, it is characterised in that：The upper limit set (7) and upper axis (1) it
Between be equipped with anti-blow device, OV sealing rings (6) and two axle sleeves (5), OV sealing rings (6) are between two axle sleeves (5).
7. a kind of water hammer-resistant butterfly valve according to claim 6, it is characterised in that：The upper axis (1), which is dug, annular groove, on
The inner wall digging of stop collar (7) is fluted, and anti-blow device includes circlip (2), gasket (3) and divided ring (4), divided ring
(4) it is sticked in the groove of axis (1), the upside of divided ring (4) is equipped with gasket (3) and circlip (2), and gasket (3) is set to
Between divided ring (4) and circlip (2), circlip (2) is sticked in the groove of upper limit set (7).
8. a kind of water hammer-resistant butterfly valve according to claim 1, it is characterised in that：The inner wall of the valve body (21) is connected with rubber
Glue valve seat (8), rubber valve seat (8) are annular, are bonded by heat cure between rubber valve seat (8) and valve body (21).
9. a kind of water hammer-resistant butterfly valve according to claim 1, it is characterised in that：Valve plate skeleton (20) with limit shell (10) it
Between by multiple bolt groups connect, bolt group include assembling plain cushion (17), erection bolt (18), group loading nut (19) and assemble O
Type circle (16).
10. a kind of water hammer-resistant butterfly valve according to claim 1, it is characterised in that：There are two keys for upper axis (1) connection
(15), symmetrical centered on the axis of two above axis of key (15) (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665260.6U CN207609788U (en) | 2017-12-05 | 2017-12-05 | A kind of water hammer-resistant butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665260.6U CN207609788U (en) | 2017-12-05 | 2017-12-05 | A kind of water hammer-resistant butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609788U true CN207609788U (en) | 2018-07-13 |
Family
ID=62796288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721665260.6U Active CN207609788U (en) | 2017-12-05 | 2017-12-05 | A kind of water hammer-resistant butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842617A (en) * | 2017-12-05 | 2018-03-27 | 博纳斯威阀门股份有限公司 | A kind of water hammer-resistant butterfly valve |
-
2017
- 2017-12-05 CN CN201721665260.6U patent/CN207609788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842617A (en) * | 2017-12-05 | 2018-03-27 | 博纳斯威阀门股份有限公司 | A kind of water hammer-resistant butterfly valve |
| CN107842617B (en) * | 2017-12-05 | 2024-04-02 | 博纳斯威阀门股份有限公司 | Waterproof hammer butterfly valve |
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