CN206206708U - A kind of pair of blocking type check-valves - Google Patents
A kind of pair of blocking type check-valves Download PDFInfo
- Publication number
- CN206206708U CN206206708U CN201621239497.3U CN201621239497U CN206206708U CN 206206708 U CN206206708 U CN 206206708U CN 201621239497 U CN201621239497 U CN 201621239497U CN 206206708 U CN206206708 U CN 206206708U
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- sealing plate
- head
- valve body
- sealing
- bonnet
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Abstract
The utility model discloses a kind of pair of blocking type check-valves, including valve body, the top of the valve body is provided with bonnet, the inner right side of the water inlet is provided with seal head, the seal head is connected by head rod with valve body, the head rod is provided with the second movable part with the junction of valve body, and the seal head is connected by the second connecting rod with sealing plate, and second connecting rod is equipped with the first movable part with sealing plate by the junction with seal head.This pair of blocking type check-valves, by the cooperation of sealing plate, seal head and the second connecting rod, sealing plate drives sliding bar by sealing in the cavity that sliding sleeve is slided in bonnet, valve seat is sealed by sealing plate, seal head is driven to seal water inlet after sealing plate declines to valve base sealing by the cooperation of the second connecting rod and the first movable part, realize to valve seat and the two way seal of water inlet, improve inside prevents the effect of liquid countercurrent.
Description
Technical field
The utility model is related to valve technology field, specially a kind of pair blocking type check-valves.
Background technology
In power plant high temperature and high pressure steam pipeline draining system, stop valve is a kind of conventional valve, and stop valve is usual
It is made up of valve body, valve element, valve rod and bonnet, valve body is provided with valve seat, valve element coordinates with valve seat realizes sealing, prior art
In, packing ring is typically provided between valve rod and valve body to improve sealing property, in the prior art, such as Application No.
201521056661.2 utility model patent, including valve body, flap and the valve rod for driving flap to move up and down, flap
The first sealing and the second sealing are provided with, after the first sealing, valve body is provided with and the first sealing the second sealing position
Although corresponding 3rd sealing in portion and the 4th sealing corresponding with the second sealing, the patent improve service life,
But when there is adverse current during when actually used, sealing plate easily loosens, and prevents liquid countercurrent effect poor inside it.
Utility model content
The purpose of this utility model is to provide a kind of pair of blocking type check-valves, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：A kind of pair of blocking type check-valves, including valve
Body, the top of the valve body is provided with bonnet, and the bottom of the valve body is respectively arranged on the left side and the right side water inlet and delivery port, described
Valve seat is provided with the inside center of valve body, the inside of the bonnet is provided with cavity, the internal activity connection limited location of the cavity
Head, the bottom of the bonnet is provided with sealing plate, and the sealing plate is connected by sliding bar with spacing head, and the sliding bar runs through valve
Lid, the sliding bar is provided with sealing sliding sleeve with the junction of bonnet, and the inner right side of the water inlet is provided with seal head, described close
End socket is connected by head rod with valve body, and the head rod is provided with the second movable part with the junction of valve body, described
Seal head is connected by the second connecting rod with sealing plate, and second connecting rod is equipped with the junction of sealing plate and seal head
First movable part.
Preferably, the bottom of the sealing sliding sleeve is provided with sealing gland with the junction of bonnet.
Preferably, the top circumference of the sealing plate is provided with anti-punching groove.
Preferably, the bottom circumference of the sealing plate is provided with adaptation groove.
Preferably, it is socketed with caulking gum head on the left of the seal head.
Compared with prior art, the beneficial effects of the utility model are：This pair of blocking type check-valves, by sealing plate, close
The cooperation of end socket and the second connecting rod, sealing plate drives sliding bar by sealing in the cavity that sliding sleeve is slided in bonnet, passes through
Sealing plate is sealed to valve seat, by the cooperation of the second connecting rod and the first movable part after sealing plate declines to valve base sealing
Drive seal head to seal water inlet, realize to valve seat and the two way seal of water inlet, improve inside prevents liquid inverse
The effect of stream.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is caulking gum header structure schematic diagram of the present utility model.
In figure：1st, sealing gland, 2, valve body, 3, bonnet, 4, cavity, 5, spacing head, 6, sealing sliding sleeve, 7, anti-punching groove,
8th, sealing plate, the 9, first movable part, 10, valve seat, 11, delivery port, 12, sliding bar, 13, adaptation groove, the 14, second movable part, 15,
Head rod, 16, water inlet, 17, seal head, the 18, second connecting rod, 19, caulking gum head.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of pair of blocking type check-valves, including valve body 2,
The top of valve body 2 is provided with bonnet 3, and the bottom of valve body 2 is respectively arranged on the left side and the right side water inlet 16 and delivery port 11, valve body 2
Valve seat 10 is provided with inside center, the inside of bonnet 3 is provided with cavity 4, the internal activity connection limited location first 5 of cavity 4, bonnet 3
Bottom be provided with sealing plate 8, sealing plate 8 is connected by sliding bar 12 with spacing first 5, sliding bar 12 run through bonnet 3, sliding bar 12
Sealing sliding sleeve 6 is provided with the junction of bonnet 3, sealing plate 8 drives sliding bar 12 to be slided in bonnet 3 by sealing sliding sleeve 6
In cavity 4, the junction of the bottom and bonnet 3 that seal sliding sleeve 6 is provided with sealing gland 1, by 1 pair of sealing sliding sleeve 6 of sealing gland
Fix, the top circumference of sealing plate 8 is provided with anti-punching groove 7, improved in liquid countercurrent by setting anti-punching groove 7
The decrease speed of sealing plate 8, the bottom circumference of sealing plate 8 is provided with adaptation groove 13, is improve to valve by setting adaptation groove 13
The sealing effectiveness of seat 10, the inner right side of water inlet 16 is provided with seal head 17, and in adverse current, seal head 17 is carried out to water inlet 16
Sealing, the left side of seal head 17 is socketed with caulking gum first 19, the sealing to water inlet 16 is improve by caulking gum first 19
Effect, seal head 17 is connected by head rod 15 with valve body 2, and head rod 15 is provided with second with the junction of valve body 2
Movable part 14, is sealed by the first 17 pairs of water inlets 16 of the mating band dynamic sealing of the movable part 14 of head rod 15 and second,
Seal head 17 is connected by the second connecting rod 18 with sealing plate 8, the junction of the second connecting rod 18 and sealing plate 8 and seal head 17
The first movable part 9 is equipped with, is declined in sealing plate 8 by the cooperation of the second connecting rod 18 and the first movable part 9 close to valve seat 10
Drive seal head 17 of being honored as a queen is sealed to water inlet 16, is realized to valve seat 10 and the two way seal of water inlet 16, it is therefore prevented that liquid
Body is countercurrently.
In adverse current, sealing plate 8 drives sliding bar 12 by sealing in the cavity 4 that sliding sleeve 6 is slided in bonnet 3, passes through
Sealing plate 8 is sealed to valve seat 10, is declined to valve in sealing plate 8 by the cooperation of the second connecting rod 18 and the first movable part 9
Drive seal head 17 to seal water inlet 16 after the sealing of seat 10, realize to valve seat 10 and the two way seal of water inlet 16, prevent
Liquid countercurrent is stopped.
In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " two ends " or position close
System is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, rather than
Indicate or imply signified device or element and must have specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；
Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with
Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of pair of blocking type check-valves, including valve body（2）, the valve body（2）Top bonnet is installed（3）, its feature exists
In：The valve body（2）Bottom be respectively arranged on the left side and the right side water inlet（16）And delivery port（11）, the valve body（2）Inside
Center is provided with valve seat（10）, the bonnet（3）Inside be provided with cavity（4）, the cavity（4）Internal activity connection it is limited
Potential head（5）, the bonnet（3）Bottom be provided with sealing plate（8）, the sealing plate（8）By sliding bar（12）With spacing head（5）
It is connected, the sliding bar（12）Through bonnet（3）, the sliding bar（12）With bonnet（3）Junction be provided with sealing sliding sleeve
（6）, the water inlet（16）Inner right side be provided with seal head（17）, the seal head（17）By head rod（15）With
Valve body（2）It is connected, the head rod（15）With valve body（2）Junction be provided with the second movable part（14）, the seal head
（17）By the second connecting rod（18）With sealing plate（8）It is connected, second connecting rod（18）With sealing plate（8）And seal head
（17）Junction be equipped with the first movable part（9）.
2. a kind of pair of blocking type check-valves according to claim 1, it is characterised in that：The sealing sliding sleeve（6）Bottom
With bonnet（3）Junction be provided with sealing gland（1）.
3. a kind of pair of blocking type check-valves according to claim 1, it is characterised in that：The sealing plate（8）Nose-circle
It is provided with anti-punching groove week（7）.
4. a kind of pair of blocking type check-valves according to claim 1, it is characterised in that：The sealing plate（8）Bottom circle
Week is provided with adaptation groove（13）.
5. a kind of pair of blocking type check-valves according to claim 1, it is characterised in that：The seal head（17）Left side set
It is connected to caulking gum head（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621239497.3U CN206206708U (en) | 2016-11-20 | 2016-11-20 | A kind of pair of blocking type check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621239497.3U CN206206708U (en) | 2016-11-20 | 2016-11-20 | A kind of pair of blocking type check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206708U true CN206206708U (en) | 2017-05-31 |
Family
ID=58749439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621239497.3U Active CN206206708U (en) | 2016-11-20 | 2016-11-20 | A kind of pair of blocking type check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206708U (en) |
-
2016
- 2016-11-20 CN CN201621239497.3U patent/CN206206708U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 224500 No.22 Industrial Branch Road, Binhai Economic and Technological Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu Jiangyuan Machinery Co., Ltd Address before: 224500 Century Avenue, North District, industrial park, Binhai County, Yancheng City, Jiangsu Province Patentee before: Jiangsu Qinghai Petroleum Machinery Co., Ltd |
|
| CP03 | Change of name, title or address |