CN208474519U - A kind of filter butterfly valve certainly - Google Patents
A kind of filter butterfly valve certainly Download PDFInfo
- Publication number
- CN208474519U CN208474519U CN201820940468.2U CN201820940468U CN208474519U CN 208474519 U CN208474519 U CN 208474519U CN 201820940468 U CN201820940468 U CN 201820940468U CN 208474519 U CN208474519 U CN 208474519U
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- valve
- valve body
- fixedly connected
- lower cover
- valve rod
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Abstract
The utility model provides a kind of from filter butterfly valve, it is related to valve field, including valve body, the side of the body top is fixedly connected with bracket, driving device is fixedly connected at the top of the bracket, driving device is internally provided with valve rod, the bottom end of the valve rod sequentially passes through bracket and valve body and extends to the inside of valve body, the bottom of the valve body is fixedly connected with lower cover, fixed ring compatible with valve rod is fixedly connected at the top of the lower cover, the surface of the valve rod is connected with butterfly plate by taper bolt.The utility model is by being arranged strainer in the inside of valve body, in the bottom of valve body, lower cover is set, the inside of lower cover is connected with drain plug, drain plug can be filtered the medium in pipeline by removing in lower cover, remove the impurity in medium, impurity is avoided to damage valve body sealing surface and sealing ring, valves leakage is avoided, the stability in use process is improved, while being conducive to extend the service life of valve.
Description
Technical field
The utility model relates to valve fields, more particularly to a kind of filter butterfly valve certainly.
Background technique
Butterfly valve refers to that closure member is disk, and a kind of valve of open and close is reached around valve shaft rotation, main on pipeline
Play cutting and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, is rotated in valve body around the axis of its own, from
And achieve the purpose that opening and closing or adjusting.Butterfly valve is suitable for producer, coal gas, natural gas, liquefied petroleum gas, town gas, cold and hot
Air, chemical industry smelt and the engineering systems such as generation environment-friendly in convey various corrosivity, non-corrosive fluids medium pipeline on, use
In the flowing for adjusting and being truncated medium.
Existing butterfly valve result is relatively simple, and function is more single, can only simply control opening and closing, without self-purification function,
When the medium in pipeline is not clean water, many residues can be accumulated, are easy to damage sealing surface to lead to valve internal, surely
It is qualitative not high.
Utility model content
The purpose of this utility model is to provide a kind of from filter butterfly valve, to solve the above technical problems.
The utility model using following technical scheme in order to solve the above technical problems, realized:
It is a kind of to be fixedly connected with bracket, the top of the bracket from filter butterfly valve, including valve body, the side of the body top
Be fixedly connected with driving device, and driving device is internally provided with valve rod, the bottom end of the valve rod sequentially pass through bracket and
Valve body and the inside for extending to valve body, the bottom of the valve body are fixedly connected with lower cover, and the top of the lower cover is fixed to be connected
It is connected to fixed ring compatible with valve rod, the surface of the valve rod is connected with butterfly plate by taper bolt, and the inside of the valve body is solid
Surely it is connected with strainer, the bottom of the valve body is fixedly connected with lower cover, the surface spiral shell of the stud by stud
Line is connected with nut, and the inside of the lower cover is connected with drain plug.
Further, the bottom of the rack inner wall and be located at valve rod surface be fixedly connected with gland.
Further, the inside of the valve body and be located at valve rod surface be provided with filler, the inside and position of the valve body
Upper bushing is fixedly connected in the surface of valve rod.
Further, valve body sealing surface is provided at the top and bottom of the valve interior wall, the valve body sealing surface
Surface is fixedly connected with sealing ring.
Further, the surface of the butterfly plate is provided with outer-hexagonal bolt, the surface of the butterfly plate and is located at outer-hexagonal spiral shell
The surface of bolt is provided with pressing plate.
Further, the inside of the valve body and it is located at the surface of valve rod and is fixedly connected and is adapted lower bushing with valve rod
The beneficial effects of the utility model are:
The utility model by the inside of valve body be arranged strainer, valve body bottom be arranged lower cover, lower cover it is interior
Portion is connected with drain plug, and drain plug can be filtered the medium in pipeline by removing in lower cover, removes in medium
Impurity, avoid impurity from damaging valve body sealing surface and sealing ring, avoid valves leakage, improve in use process
Stability, while being conducive to extend the service life of valve, valve body inside and be located at the upper and lower part of stem surface
It is respectively arranged with upper bushing and neck bush, valve rod is fixed, while by valve rod and valve seal, improving leakproofness, keeping away
Exempt from situations such as generating leakage, improves service performance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the right view of the utility model；
Fig. 3 is the partial enlarged view in the utility model Fig. 1 at A.
In figure: 1- driving device；2- bracket；3- gland；4- filler；5- upper bushing；6- valve body sealing surface；7- sealing ring；
8- pressing plate；9- taper bolt；10- butterfly plate；11- valve rod；12- outer-hexagonal bolt；13- valve body；Bushing under 14-；15- fixed ring；16-
Lower cover；17- stud；18- nut；19- lower cover；20- drain plug；21- strainer.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
The utility model is further described in face with specific embodiments and the drawings, but following embodiments are only the excellent of the utility model
Embodiment is selected, and not all.Based on the implementation example in the implementation mode, those skilled in the art are not making creative work
Under the premise of obtained other embodiments, belong to protection scope of the present invention.
Specific embodiment of the utility model is described with reference to the accompanying drawing.
As shown in Figure 1-3, a kind of from filter butterfly valve, including valve body 13, the side at 13 top of valve body is fixedly connected with bracket 2,
The top of bracket 2 is fixedly connected with driving device 1, and driving device 1 is sub-assembly, rotates for band ovable valve stem 11, and drive
Device 1 is internally provided with valve rod 11, and valve rod 11 is 2Cr-13 material, the bottom of 2 inner wall of bracket and the surface for being located at valve rod 11
It is fixedly connected with gland 3, bracket 2 and gland 3 are WCB material, the inside of the valve body 13 and surface for being located at valve rod 11 is provided with
Filler 4, filler 4 be soft graphite, the inside of valve body 13 and be located at valve rod 11 surface be fixedly connected with upper bushing 5, valve body 13
Inside and be located at the surface of valve rod 11 and be fixedly connected and be adapted lower bushing 14 with valve rod 11, upper bushing 5 and lower bushing 14 are
Self-lubricating bearing is provided with valve body sealing surface 6 at the top and bottom of 13 inner wall of valve body, and the surface of valve body sealing surface 6 is fixed to be connected
It is connected to sealing ring 7, the bottom end of valve rod 11 sequentially passes through bracket 2 and valve body 13 and the inside for extending to valve body 13, the bottom of valve body 13
Portion is fixedly connected with lower cover 16, and lower cover 16 is No. 25 steel materials, and the top of lower cover 16 is fixedly connected with and 11 phase of valve rod
The surface of the fixed ring 15 of adaptation, valve rod 11 is connected with butterfly plate 10 by taper bolt 9, and butterfly plate 10 is WCB material, the table of butterfly plate 10
Face is provided with outer-hexagonal bolt 12, and outer-hexagonal bolt 12 is 35CrMo material, the surface of butterfly plate 10 and is located at outer-hexagonal bolt 12
Surface be provided with pressing plate 8, pressing plate 8 is No. 25 steel materials, and the inside of valve body 13 is fixedly connected with strainer 21, and strainer 21 is 304
The bottom of stainless steel material, valve body 13 is fixedly connected with lower cover 19 by stud 17, and lower cover 19 is No. 25 steel materials,
The surface of stud 17 is threaded with nut 18, and nut 18 is No. 45 steel materials, and the inside of lower cover 19 is connected with blowdown
Plug 20, drain plug 20 are No. 35 steel materials.
In use, rotating in valve body 13 by driving device 1 with ovable valve stem 11, butterfly plate 10 is driven to rotate, controls butterfly plate
10 are in off state with the angle of 13 inner wall of valve body when butterfly plate 10 is vertical with valve body 13, when butterfly plate 10 is parallel with valve body 13
When, it is open state, strainer 21 is filtered the impurity in medium, and impurity is avoided to cause valve body sealing surface 6 and sealing ring 7
Damage, when impurity is more in valve body 13, impurity will be cleared up by opening drain plug 20.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. a kind of from filter butterfly valve, it is characterised in that: including valve body (13), the side at the top of the valve body (13) is fixedly connected with branch
Frame (2) is fixedly connected with driving device (1) at the top of the bracket (2), and driving device (1) is internally provided with valve rod
(11), the bottom end of the valve rod (11) sequentially passes through bracket (2) and valve body (13) and the inside for extending to valve body (13), the valve
The bottom of body (13) is fixedly connected with lower cover (16), is fixedly connected at the top of the lower cover (16) and is mutually fitted with valve rod (11)
The fixed ring (15) matched, the surface of the valve rod (11) are connected with butterfly plate (10) by taper bolt (9), the valve body (13) it is interior
Portion is fixedly connected with strainer (21), and the bottom of the valve body (13) is fixedly connected with lower cover (19) by stud (17),
The surface of the stud (17) is threaded with nut (18), and the inside of the lower cover (19) is connected with drain plug
(20)。
2. according to claim 1 a kind of from filter butterfly valve, it is characterised in that: the bottom of bracket (2) inner wall and be located at
The surface of valve rod (11) is fixedly connected with gland (3).
3. according to claim 1 a kind of from filter butterfly valve, it is characterised in that: the inside of the valve body (13) and be located at valve rod
(11) surface is provided with filler (4), the inside of the valve body (13) and be located at valve rod (11) surface be fixedly connected with lining
It covers (5).
4. according to claim 1 a kind of from filter butterfly valve, it is characterised in that: the top and bottom of valve body (13) inner wall
It is provided with valve body sealing surface (6), the surface of the valve body sealing surface (6) is fixedly connected with sealing ring (7).
5. according to claim 1 a kind of from filter butterfly valve, it is characterised in that: the surface of the butterfly plate (10) is provided with outer six
Corner bolt (12), the surface of the butterfly plate (10) and the surface for being located at outer-hexagonal bolt (12) are provided with pressing plate (8).
6. according to claim 1 a kind of from filter butterfly valve, it is characterised in that: the inside of the valve body (13) and be located at valve rod
(11) surface, which is fixedly connected, is adapted lower bushing (14) with valve rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940468.2U CN208474519U (en) | 2018-06-19 | 2018-06-19 | A kind of filter butterfly valve certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940468.2U CN208474519U (en) | 2018-06-19 | 2018-06-19 | A kind of filter butterfly valve certainly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474519U true CN208474519U (en) | 2019-02-05 |
Family
ID=65213993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820940468.2U Active CN208474519U (en) | 2018-06-19 | 2018-06-19 | A kind of filter butterfly valve certainly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474519U (en) |
-
2018
- 2018-06-19 CN CN201820940468.2U patent/CN208474519U/en active Active
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| GR01 | Patent grant |