CN208010963U - A kind of hard seal ball valve - Google Patents
A kind of hard seal ball valve Download PDFInfo
- Publication number
- CN208010963U CN208010963U CN201721492729.0U CN201721492729U CN208010963U CN 208010963 U CN208010963 U CN 208010963U CN 201721492729 U CN201721492729 U CN 201721492729U CN 208010963 U CN208010963 U CN 208010963U
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- Prior art keywords
- valve
- support chamber
- ball
- valve support
- deflector hole
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- Withdrawn - After Issue
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- 238000007789 sealing Methods 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model provides a kind of hard seal ball valve.Including valve body, valve deck, valve seat, valve ball, upper and lower valve rod, it is equipped with valve ball in valve body, valve ball upper end is connected with upper valve rod, and valve ball lower end is connected with lower valve rod, and the both sides of valve body are equipped with valve deck, and valve seat is loaded in the valve support chamber on valve deck；It is communicated with left valve support chamber, equipped with left valve support chamber deflector hole, one end of left valve support chamber deflector hole is led in the left valve support chamber on the inside of left valve seat insert, and the other end of left valve support chamber deflector hole leads in the left valve support chamber on the outside of left valve seat insert, and left diaphragm valve is equipped in left valve support chamber deflector hole；It is communicated with right valve support chamber, equipped with right valve support chamber deflector hole, one end of right valve support chamber deflector hole is led in the right valve support chamber on the inside of right valve seat insert, and the other end of right valve support chamber deflector hole leads in the right valve support chamber on the outside of right valve seat insert, and right diaphragm valve is equipped in right valve support chamber deflector hole.
Description
Technical field
The utility model is related to a kind of valve, especially a kind of hard seal ball valve.
Background technology
Currently, ball valve is widely used in the industries such as oil, chemical industry, electric power, metallurgy, papermaking.Conventional ball valve is generally adopted
With soft seal, due to being restricted by sealing material, Applicable temperature range is small, and high temperature resistant, high pressure and corrosive nature are low, use the longevity
Life is shorter, for that need to use high parameter, special operation condition condition of the high-performance ball valve as opening and closing element, such as：Ore pulp, lime-ash, dust
Etc. occasions, then cannot be satisfied, thus then use hard seal ball valve.Existing hard seal ball valve usually by valve body, valve deck, valve ball,
Valve seat and valve rod composition, drive the valve ball of its lower end to rotate when use by rotation valve rod, make through-hole on valve ball and valve
Runner hole is corresponding or is staggered, to realize being turned on and off for ball valve.Due to being influenced by pressure medium in valve body, ball valve exists
Valve rod torque is larger when unlatching, and ball valve is made to be not easy to open, and valve seat and active force of the valve ball when ball valve is opened are larger, easily cause valve
Seat sealing surface and valve ball abrasion and generate leakage, reduce the functional reliability of ball valve, shorten the service life of ball valve.To the greatest extent
Pipe also has the hard seal ball valve of innovation to come out at present, but its structure is more complex, and use and maintenance is not very convenient.
Invention content
Place in order to overcome the deficiencies of the prior art, the utility model provide a kind of reasonable for structure, ball valve valve rod when opening
Torque is small, makes ball valve be easy to open, valve seat and active force of the valve ball when ball valve is opened are small, and sealing surface of seat is made to be not easy with valve ball
Abrasion, reliable operation, service life is long, the hard seal ball valve of easy maintenance, and high temperature resistant, high pressure, good seal performance.
Technical solution adopted by the utility model to solve its technical problems is：Including valve body, valve deck, valve seat, valve ball, on
Valve rod and lower valve rod；The valve ball with through-hole is equipped in valve body, the upper end of valve ball is connected with upper valve rod, the lower end of valve ball and lower valve rod
It is connected, upper and lower valve rod is placed on valve body, and the both sides of valve body are equipped with the left and right valve deck with runner hole, and left and right valve seat is loaded on respectively
In the valve support chamber of left and right valve deck, it is located at the both sides of valve ball, the outer end of valve seat is equipped with seating spring, is set between valve seat and valve support chamber
There is sealing ring；It is characterized in that：It is communicated with left valve support chamber, is equipped with left valve support chamber deflector hole, one end of left valve support chamber deflector hole is logical
To the left in the left valve support chamber on the inside of valve seat insert, the other end of left valve support chamber deflector hole leads to the left side on the outside of left valve seat insert
In valve support chamber, left diaphragm valve is equipped in left valve support chamber deflector hole；It is communicated with right valve support chamber, is equipped with right valve support chamber deflector hole, it is right
One end of valve support chamber deflector hole is led in the right valve support chamber on the inside of right valve seat insert, and the other end of right valve support chamber deflector hole leads to
In right valve support chamber on the outside of right valve seat insert, right diaphragm valve is equipped in right valve support chamber deflector hole.
It is above-mentioned between left valve support chamber and left valve seat, correspond to the both sides of left valve seat insert, equipped with being led with left valve support chamber
The outer flow-guiding mouth of flow-guiding mouth, left valve support chamber in the left valve support chamber that discharge orifice communicates；Between right valve support chamber and right valve seat, correspond to right valve
The both sides of seat sealing ring, equipped with flow-guiding mouth outside flow-guiding mouth in the right valve support chamber communicated with right valve support chamber deflector hole, right valve support chamber.
The above-mentioned inside and outside flow-guiding mouth of left and right valve support chamber is located between left and right valve support chamber and left and right valve seat, or be located at it is left,
On right valve seat, either it is located in left and right valve support chamber and is either located on left and right valve deck or is located on valve body.
The quantity of above-mentioned left and right valve support chamber deflector hole is respectively respectively for 1 or more than 1.
Above-mentioned left and right valve support chamber deflector hole is located on left and right valve deck, is either located on valve body or is located at valve body and valve
It covers.
Above-mentioned left and right valve support chamber deflector hole can be connected to the outside of ball valve by short tube.
Short tube can be equipped between above-mentioned left and right valve support chamber deflector hole and left and right diaphragm valve to connect.
Above-mentioned left and right diaphragm valve is left and right each formula structure, or is valve group formula structure, and multichannel valve type structure is whole
Formula structure, upper valve rod are driven one kind in (linkage) formula structure.The above structure can be such that left and right diaphragm valve is respectively separately turned on or simultaneously
It opens.
Above-mentioned left and right diaphragm valve is located at the outside of ball valve, is either located at the inside of ball valve or is located on different location,
Or it is located on same place position.
Its is reasonable for structure for the utility model, be effectively guaranteed ball valve open when valve rod torque it is small, so that ball valve is easy out
It opens, valve seat and active force of the valve ball when ball valve is opened are small, keep sealing surface of seat not easy to wear with valve ball, reliable operation, use
Long lifespan, using and hard seal ball valve easy to maintenance and high temperature resistant, high pressure, good seal performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is left valve cover structure schematic diagram in the utility model；
Fig. 3 is sectional views of Fig. 2A-A to place；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the structural schematic diagram of left valve seat in the utility model；
Fig. 6 is the right view of Fig. 5；
Fig. 7 is the left view of Fig. 5；
Fig. 8 is the partial enlarged view at I in Fig. 1；
In figure：1 is left valve deck, 2 be left seating spring, 3 be left valve seat insert, 4 be left valve support chamber deflector hole, 5 be left
Diaphragm valve, 6 be valve body, 7 be upper valve rod, 8 be right diaphragm valve, 9 be right valve support chamber deflector hole, 10 be right valve seat insert, 11 be
Right seating spring, 12 be right valve deck, 13 be left valve seat, 14 be right valve seat, 15 be the outer flow-guiding mouth of left valve support chamber, 16 be left valve seat
Chamber, 17 be left sealing surface of seat, 18 be flow-guiding mouth in left valve support chamber, 19 be lower valve rod, 20 be valve ball, 21 be to be led in right valve support chamber
Head piece, 22 be right sealing surface of seat, 23 be right valve support chamber, 24 be the outer flow-guiding mouth of right valve support chamber.
Specific implementation
The utility model is described in further detail below in conjunction with the accompanying drawings.
The utility model includes valve body 6, valve deck 1,12, valve seat 13,14, valve ball 20, upper valve rod 7 and lower valve 19；Valve body 6
Interior to be equipped with the valve ball 20 with through-hole, the upper end of valve ball 20 is connected with upper valve rod 7, and the lower end of valve ball 20 is connected with lower valve rod 19, upper,
Lower valve rod 7,19 is placed on valve body 6, and the both sides of valve body 6 are equipped with the left and right valve deck 1,12 with runner hole, 13,14 points of left and right valve seat
The both sides of valve ball 20 Zhuan Yu not be located in the valve support chamber 16,23 of left and right valve deck 1,12, the outer end of valve seat 13,14 is equipped with valve seat bullet
Spring 2,11 is equipped with sealing 3,10 between valve seat 13,14 and valve support chamber 16,23；It communicates with left valve support chamber 16, is led equipped with left valve support chamber
One end of discharge orifice 4, left valve support chamber deflector hole 4 is led in the left valve support chamber 16 of 3 inside of left valve seat insert, left valve support chamber deflector hole
4 other end leads in the left valve support chamber 16 in 3 outside of left valve seat insert, and left diaphragm valve is equipped in left valve support chamber deflector hole 4
5；It is communicated with right valve support chamber 23, is equipped with right valve support chamber deflector hole 9, right valve seat insert is led in one end of right valve support chamber deflector hole 9
23 in the right valve support chamber of 10 insides, the other end of right valve support chamber deflector hole 9 leads to the right valve support chamber in 10 outside of right valve seat insert
Interior 23, right diaphragm valve 8 is equipped in right valve support chamber deflector hole 9.It is above-mentioned between left valve support chamber 16 and left valve seat 13, correspond to a left side
The both sides of valve seat insert 3 are led outside equipped with flow-guiding mouth 18, left valve support chamber in the left valve support chamber communicated with left valve support chamber deflector hole 4
Head piece 15；Between right valve support chamber 23 and right valve seat 14, correspond to the both sides of right valve seat insert 10, equipped with being led with right valve support chamber
Flow-guiding mouth 24 outside flow-guiding mouth 21, right valve support chamber in the right valve support chamber that discharge orifice 9 communicates.The above-mentioned inside and outside flow-guiding mouth of left and right valve support chamber
18,15 it, 21,24, is located between left and right valve support chamber 16,23 and left and right valve 13,14, or is located on left and right valve seat 13,14,
It is either located in left and right valve support chamber 16,23 and is either located on left and right valve deck 1,12 or is located on valve body 6.It is above-mentioned left and right
The quantity of valve support chamber deflector hole 4,9 is respectively respectively for 1 or more than 1.Above-mentioned left and right valve support chamber deflector hole 4,9 is located at left and right
On valve deck 1,12, either it is located on valve body 6 or is located on valve body 6 and valve deck 1,12.Above-mentioned left and right valve support chamber deflector hole 4,9
The outside of ball valve can be connected to by short tube.It can be equipped between above-mentioned left and right valve support chamber deflector hole 4,9 and left and right diaphragm valve 5,8
Short tube connects.Above-mentioned left and right diaphragm valve 5,8 be left and right each formula structure, or be valve group formula structure, multichannel valve type structure,
Monolithic construction, upper valve rod 7 are driven one kind in (linkage) formula structure.The above structure can be such that left and right diaphragm valve 5,8 respectively opens respectively
It opens or opens simultaneously.Above-mentioned left and right diaphragm valve 5,8 is located at the outside of ball valve, is either located at the inside of ball valve or is located at difference
On position, or it is located on same place position.
When opening ball valve, left and right diaphragm valve 5,8 is opened first, under the action of left and right valve support chamber deflector hole 4,9,
Medium in left and right valve support chamber 16,23 is leaked into flowing down for ball valve by the inside and outside flow-guiding mouth of left and right valve support chamber 18,15,21,24
In pipeline, so that the pressure medium in left and right valve support chamber 16,23 is less than the pressure medium in ball valve upstream line, be then rotated further by
It is corresponding with the runner hole of ball valve that ball valve unlatching is (left and right that upper valve rod 7 drives valve ball 20 to rotate 90 ° of through-holes made on valve ball 20
The active force in ball valve opening process is small with valve ball 20 for valve seat 13,14, keeps ball valve 7 torque of upper valve rod when opening small, left and right valve
Seat sealing surface 17,22 and valve ball 20 be not easy to wear).
When closing ball valve, negative direction rotates upper valve rod 7 and valve ball 20 is driven to rotate 90 °, makes the through-hole on valve ball 20 and ball
The runner hole of valve, which is staggered, closes ball valve, then again closes left and right diaphragm valve 5,8, make a left side on left and right valve seat 13,14,
Right sealing surface of seat 17,22 is bonded with valve ball 20 reaches satisfactory sealing performance.
A kind of hard seal ball valve described in the utility model, due in left and right valve support chamber deflector hole 4,9 and left and right valve seat
Under the action of the inside and outside flow-guiding mouth of chamber 15,18,21,24, keep 7 torque of ball valve upper valve rod small convenient for opening ball valve, left and right valve seat
13,14 is small with active force of the valve ball 20 when ball valve is opened, and keeps left and right sealing surface of seat 17,22 and valve ball 20 not easy to wear, work
Make reliable, reasonable for structure, service life is long, using and it is easy to maintenance.
Claims (9)
1. a kind of hard seal ball valve, including valve body, valve deck, valve seat, valve ball, upper valve rod and lower valve rod；Band through-hole is equipped in valve body
Valve ball, the upper end of valve ball is connected with upper valve rod, and the lower end of valve ball is connected with lower valve rod, and upper and lower valve rod is placed on valve body, valve body
Both sides left and right valve deck with runner hole is housed, left and right valve seat is loaded in the valve support chamber of left and right valve deck respectively, is located at valve ball
The outer end of both sides, valve seat is equipped with seating spring, and sealing ring is equipped between valve seat and valve support chamber；It is characterized in that：With left valve support chamber
It communicating, is equipped with left valve support chamber deflector hole, one end of left valve support chamber deflector hole is led in the left valve support chamber on the inside of left valve seat insert,
The other end of left valve support chamber deflector hole leads in the left valve support chamber on the outside of left valve seat insert, is equipped in left valve support chamber deflector hole
Left diaphragm valve；It is communicated with right valve support chamber, is equipped with right valve support chamber deflector hole, right valve base sealing is led in one end of right valve support chamber deflector hole
It enclosing in the right valve support chamber of inside, the other end of right valve support chamber deflector hole leads in the right valve support chamber on the outside of right valve seat insert,
Right valve support chamber deflector hole is equipped with right diaphragm valve.
2. a kind of hard seal ball valve according to claim 1, it is characterised in that：It is above-mentioned left valve support chamber and left valve seat it
Between, correspond to the both sides of left valve seat insert, equipped with flow-guiding mouth, left valve seat in the left valve support chamber communicated with left valve support chamber deflector hole
The outer flow-guiding mouth of chamber；Between right valve support chamber and right valve seat, correspond to the both sides of right valve seat insert, is equipped with and right valve support chamber water conservancy diversion
The outer flow-guiding mouth of flow-guiding mouth, right valve support chamber in the right valve support chamber that hole communicates.
3. a kind of hard seal ball valve according to claim 1 or 2, it is characterised in that：Above-mentioned left and right valve support chamber is inside and outside to be led
Head piece is located between left and right valve support chamber and left and right valve seat, is either located on left and right valve seat or is located in left and right valve support chamber,
It is either located on left and right valve deck or is located on valve body.
4. a kind of hard seal ball valve according to claim 1, it is characterised in that：The number of above-mentioned left and right valve support chamber deflector hole
Amount is respectively respectively for 1 or more than 1.
5. a kind of hard seal ball valve according to claim 1, it is characterised in that：Above-mentioned left and right valve support chamber deflector hole is located at
On left and right valve deck, either it is located on valve body or is located on valve body and valve deck.
6. according to a kind of hard seal ball valve described in claim 1,4 or 5, it is characterised in that：Above-mentioned left and right valve support chamber deflector hole
The outside of ball valve can be connected to by short tube.
7. a kind of hard seal ball valve according to claim 1, it is characterised in that：Above-mentioned left and right valve support chamber deflector hole with it is left,
Short tube can be equipped between right diaphragm valve to connect.
8. a kind of hard seal ball valve according to claim 1, it is characterised in that：Above-mentioned left and right diaphragm valve is left and right each one
A formula structure, or be valve group formula structure, multichannel valve type structure, monolithic construction, one kind in upper valve rod transmission type structure.
9. a kind of hard seal ball valve according to claim 1 or 8, it is characterised in that：Above-mentioned left and right diaphragm valve is located at ball valve
Outside, the inside for being either located at ball valve is either located on different location or is located on same place position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492729.0U CN208010963U (en) | 2017-11-02 | 2017-11-02 | A kind of hard seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492729.0U CN208010963U (en) | 2017-11-02 | 2017-11-02 | A kind of hard seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010963U true CN208010963U (en) | 2018-10-26 |
Family
ID=63880293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721492729.0U Withdrawn - After Issue CN208010963U (en) | 2017-11-02 | 2017-11-02 | A kind of hard seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842627A (en) * | 2017-11-02 | 2018-03-27 | 朱晓丰 | A kind of hard seal ball valve |
| US11920699B2 (en) | 2020-09-08 | 2024-03-05 | Intech Industries, Inc. | High pressure auto drain ball valve |
-
2017
- 2017-11-02 CN CN201721492729.0U patent/CN208010963U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842627A (en) * | 2017-11-02 | 2018-03-27 | 朱晓丰 | A kind of hard seal ball valve |
| CN107842627B (en) * | 2017-11-02 | 2024-03-12 | 建湖县裕祥机械制造有限公司 | Hard seal ball valve |
| US11920699B2 (en) | 2020-09-08 | 2024-03-05 | Intech Industries, Inc. | High pressure auto drain ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210720 Address after: 224713 No. 161, Yanhe Middle Road, Yanhe Town, Jianhu County, Jiangsu Province Patentee after: JIANHU YUXIANG MACHINERY MANUFACTURING Co.,Ltd. Address before: 224700 No. 30, Qianzhuang group, Qianzhuang neighborhood committee, Baota Town, Jianhu County, Yancheng City, Jiangsu Province Patentee before: Zhu Xiaofeng |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20240312 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20240312 |