CN207728899U - A kind of very stiff and demanding metallic seal butterfly valve - Google Patents
A kind of very stiff and demanding metallic seal butterfly valve Download PDFInfo
- Publication number
- CN207728899U CN207728899U CN201721424778.0U CN201721424778U CN207728899U CN 207728899 U CN207728899 U CN 207728899U CN 201721424778 U CN201721424778 U CN 201721424778U CN 207728899 U CN207728899 U CN 207728899U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- butterfly plate
- butterfly
- valve rod
- 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
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Abstract
The utility model discloses a kind of very stiff and demanding metallic seal butterfly valves, including worm gear case, flat key, valve rod and valve body, the worm gear case bottom end is equipped with holder, the holder is fixed on by full thread hex bolts on valve body, the worm gear case is rotatablely connected by flat key and valve rod, the junction of the valve rod and valve body is provided with copper sheathing, the top junction of the valve rod and valve body is provided with filler and gland, gland is located above filler, it is fixed by stud and hex nut between the gland and valve body, the butterfly plate is fixed on by cylindrical pins on valve rod, it is provided with sealing ring on the butterfly plate, trim ring is installed on the butterfly plate, the valve body bottom end is equipped with hexagonal socket head plug.The utility model configures all-metal p-type sealing ring on butterfly plate, and butterfly plate does not almost have bias to have the advantages that three eccentricity, centre-pivoted butterfly valve, and sealing surface can be detached from moment, moment combines, and no friction reach two way seal.
Description
Technical field
The utility model is related to butterfly valve technical field, specially a kind of very stiff and demanding metallic seal butterfly valve.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve simple in structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, a kind of valve of open and close is reached around valve shaft rotation, valve can
For controlling the various types such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium
The flowing of fluid.Cut-out and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body
It is rotated around the axis of its own, to achieve the purpose that keying or adjusting.Existing butterfly valve cannot automatic aligning compensation, use
Service life is shorter.
Invention content
The purpose of this utility model is to provide a kind of very stiff and demanding metallic seal butterfly valves, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides the following technical solutions：A kind of very stiff and demanding metallic seal butterfly valve, including
Worm gear case, flat key, valve rod, butterfly plate and valve body, the worm gear case bottom end are equipped with holder, and the holder passes through full thread hexagonal spiral shell
Bolt is fixed on valve body, and the worm gear case is rotatablely connected by flat key and valve rod, and the junction of the valve rod and valve body is provided with
The top junction of copper sheathing, the valve rod and valve body is provided with filler and gland, and gland is located above filler, described
It is fixed by stud and hex nut between gland and valve body, the butterfly plate is fixed on valve rod by cylindrical pins
On, sealing ring is provided on the butterfly plate, trim ring is installed on the butterfly plate, the valve body bottom end be equipped with hexagonal socket head plug and
Red copper pad, red copper pad are located at below hexagonal socket head plug, and the sealing ring is set as spring steel members, and the structure setting of sealing ring is
All-metal p-type scalene cone.
Preferably, the trim ring is fixed on by hexagon socket head cap screw on butterfly plate.
Preferably, the sealing ring of the butterfly plate coincide with valve body sealing surface and contacts.
Preferably, it is provided with plain cushion between the hex nut and gland.
Preferably, it is provided with spring shim between the full thread hex bolts and holder.
Compared with prior art, the utility model has the beneficial effects that：The utility model configures all-metal p-type on butterfly plate
Sealing ring, butterfly plate almost do not have bias to have the advantages that three eccentricity, centre-pivoted butterfly valve, and sealing surface can be detached from moment, moment combines, nothing
Friction, reaches two way seal.
Description of the drawings
Fig. 1 is the sectional view of the utility model.
Fig. 2 is the front view of the utility model.
In figure：1- worm gear cases；2- studs；3- hex nuts；4- plain cushions；5- spring shims；6- full thread hexagonal spiral shells
Bolt；7- glands；8- fillers；9- copper sheathings；10- valve bodies；11- valve rods；12- sealing rings；13- cylindrical pins；14- trim rings；15-
Butterfly plate；16- hexagon socket head cap screws；17- hexagonal socket head plugs；18- red copper pads；19- flat keys；20- holders.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of very stiff and demanding metallic seal butterfly valve, including snail
Roller box 1, flat key 19, valve rod 11, butterfly plate 15 and valve body 10,1 bottom end of worm gear case are equipped with holder 20, and holder 20 passes through full thread six
Corner bolt 6 is fixed on valve body 10, and worm gear case 1 is rotatablely connected by flat key 19 and valve rod 11, the connection of valve rod 11 and valve body 10
Place is provided with copper sheathing 9, and valve rod 11 and the top junction of valve body 10 are provided with filler 8 and gland 7, and gland 7 is located at
8 top of filler, is fixed between gland 7 and valve body 10 by stud 2 and hex nut 3, butterfly plate 15 passes through straight pin
Nail 13 is fixed on valve rod 11, and sealing ring 12 is provided on butterfly plate 15, and trim ring 14, the installation of 10 bottom end of valve body are equipped on butterfly plate 15
There are hexagonal socket head plug 17 and red copper pad 18, red copper pad 18 to be located at 17 lower section of hexagonal socket head plug, sealing ring 12 is set as spring steel structure
Part, the structure setting of sealing ring 12 be all-metal p-type scalene cone, and butterfly plate 15 almost and eccentric do not have three eccentricity, centre-pivoted butterfly valve
Advantage, sealing surface can be detached from moment, moment combines, no friction, reach two way seal, and trim ring 14 is solid by hexagon socket head cap screw 16
It is scheduled on butterfly plate 15, the sealing ring 12 of butterfly plate 15 coincide with 10 sealing surface of valve body to be contacted, between hex nut 3 and gland 7
It is provided with plain cushion 4, spring shim 5 is provided between full thread hex bolts 6 and holder 20.
Operation principle：Worm gear case 1 is rotated by flat key 19 with ovable valve stem 11, and valve rod 11 is used as branch by upper and lower copper sheathing 9
Point rotation, drives butterfly plate 15 to rotate while valve rod 11 rotates, to control the opening and closing of butterfly valve, configuration all-metal P on butterfly plate 15
Type sealing ring, butterfly plate 15 almost do not have bias to have the advantages that three eccentricity, centre-pivoted butterfly valve, and sealing surface can be detached from moment, moment ties
It closes, no friction reaches two way seal.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of very stiff and demanding metallic seal butterfly valve, including worm gear case（1）, flat key（19）, valve rod（11）, butterfly plate（15）And valve body
（10）, it is characterised in that：The worm gear case（1）Bottom end is equipped with holder（20）, the holder（20）Pass through full thread hexagonal spiral shell
Bolt（6）It is fixed on valve body（10）On, the worm gear case（1）Pass through flat key（19）With valve rod（11）Rotation connection, the valve rod
（11）With valve body（10）Junction be provided with copper sheathing（9）, the valve rod（11）With valve body（10）Top junction be provided with
Filler（8）And gland（7）, gland（7）Positioned at filler（8）Top, the gland（7）With valve body（10）Between
Pass through stud（2）And hex nut（3）It is fixed, the butterfly plate（15）Pass through cylindrical pins（13）It is fixed on valve rod（11）
On, the butterfly plate（15）On be provided with sealing ring（12）, the butterfly plate（15）On trim ring is installed（14）, the valve body（10）Bottom
End is equipped with hexagonal socket head plug（17）With red copper pad（18）, red copper pad（18）Positioned at hexagonal socket head plug（17）Lower section, the sealing
Circle（12）It is set as spring steel members, sealing ring（12）Structure setting be all-metal p-type scalene cone.
2. a kind of very stiff and demanding metallic seal butterfly valve according to claim 1, it is characterised in that：The trim ring（14）By interior
Hex bolts（16）It is fixed on butterfly plate（15）On.
3. a kind of very stiff and demanding metallic seal butterfly valve according to claim 1, it is characterised in that：The butterfly plate（15）Sealing
Circle（12）With valve body（10）Sealing surface, which coincide, to be contacted.
4. a kind of very stiff and demanding metallic seal butterfly valve according to claim 1, it is characterised in that：The hex nut（3）With
Gland（7）Between be provided with plain cushion（4）.
5. a kind of very stiff and demanding metallic seal butterfly valve according to claim 1, it is characterised in that：The full thread hex bolts
（6）With holder（20）Between be provided with spring shim（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424778.0U CN207728899U (en) | 2017-10-31 | 2017-10-31 | A kind of very stiff and demanding metallic seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424778.0U CN207728899U (en) | 2017-10-31 | 2017-10-31 | A kind of very stiff and demanding metallic seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728899U true CN207728899U (en) | 2018-08-14 |
Family
ID=63091308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721424778.0U Expired - Fee Related CN207728899U (en) | 2017-10-31 | 2017-10-31 | A kind of very stiff and demanding metallic seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728899U (en) |
-
2017
- 2017-10-31 CN CN201721424778.0U patent/CN207728899U/en not_active Expired - Fee Related
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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: 20180814 Termination date: 20201031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |