CN206268476U - Stainless steel soft seal gate valve - Google Patents
Stainless steel soft seal gate valve Download PDFInfo
- Publication number
- CN206268476U CN206268476U CN201621341423.0U CN201621341423U CN206268476U CN 206268476 U CN206268476 U CN 206268476U CN 201621341423 U CN201621341423 U CN 201621341423U CN 206268476 U CN206268476 U CN 206268476U
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- CN
- China
- Prior art keywords
- valve
- valve rod
- stainless steel
- bonnet
- seal
- 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 stainless steel soft seal gate valve, including a valve body, one flashboard, one valve rod and a bonnet, flashboard is arranged at valve body valve pocket, bonnet is fixedly connected with valve body upper end, valve rod is connected through bonnet with valve body and with gate rotation, stainless steel soft seal gate valve also includes a seal assembly, it includes friction pad, axle sleeve, exterior seal ring, inner seal ring and dust-proof seal ring, axle sleeve is set in valve rod, exterior seal ring is sheathed on axle sleeve outer wall, inner seal ring is sheathed on valve rod and is located between valve rod and axle sleeve, friction pad and dust-proof seal ring are sheathed on valve rod and are located between valve rod and bonnet.The stainless steel soft seal gate valve is provided with an axle sleeve at the cooperation of valve rod and bonnet, exterior seal ring and inner seal ring between axle sleeve and bonnet, valve rod three can prevent leakage, bonnet top sets dust-proof seal ring can prevent outside silt and impurity from penetrating into, a y-shaped ring is also set on valve rod, such multiple-sealed structure so that axial seal is relatively reliable.
Description
Technical field
The utility model is related to valve technology field, more particularly to a kind of soft sealing gate valve.
Background technology
In the control of fluid line, damming and control to fluid is realized using gate valve.The gate valve species of in the market
It is various, it is broadly divided into two kinds of hard seal gate valve and soft sealing gate valve, wherein soft sealing gate valve simple structure, easy to operate, thus
It is widely used.But the sealing property of existing soft sealing gate valve is not ideal enough, with gate valve on-off times not
Disconnected to increase, the friction between valve rod and bonnet causes the damage of valve rod, and then causes soft sealing gate valve easily to be revealed at valve rod,
So that the sealing of soft sealing gate valve does not reach requirement, the service life of gate valve is reduced.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of stainless steel soft seal gate valve,
It is in the axially arranged multiple-sealed structure of valve rod so that axial seal is relatively reliable.
The purpose of this utility model is realized using following technical scheme：
A kind of stainless steel soft seal gate valve, including a valve body, a flashboard, a valve rod and a bonnet, the valve body include one
Valve pocket, the flashboard is arranged at the valve pocket, and the bonnet is fixedly connected with the valve body upper end, and the valve rod sequentially passes through institute
Bonnet is stated to be connected with valve body and with the gate rotation, the stainless steel soft seal gate valve also including one be arranged at the valve rod with
Seal assembly between bonnet, the seal assembly includes a friction pad, an axle sleeve, some exterior seal rings, some inner seal rings
And a dust-proof seal ring, the axle sleeve is set in the valve rod, and some exterior seal rings are sheathed on axle sleeve outer wall and are located at institute
State between axle sleeve and bonnet, some inner seal rings are sheathed on the valve rod and are located between valve rod and axle sleeve, the friction
Pad and dust-proof seal ring are sheathed on valve rod and are located between valve rod and bonnet.
Preferably, the dust-proof seal ring is arranged at the top of the bonnet.
Preferably, the valve rod is provided with a raised step and some O-ring seals with the position that the bonnet is connected
Mounting groove.
Preferably, the friction pad is located at raised step top, and the axle sleeve is located at friction pad top.
Preferably, some inner seal rings are respectively arranged in some O-ring seals mounting grooves.
Preferably, the stainless steel soft seal gate valve also includes a fixation kit being located at below the raised step.
Preferably, the fixation kit includes from top to bottom being sheathed on a thrust ring of the valve rod, Y shape sealing successively
Circle and a spacing ring.
Preferably, the y-shaped ring is forced seal and self-pressure-sealed composite construction.
Preferably, the lower end of the valve rod is connected with the flashboard by trapezoidal ridge.
Preferably, the stainless steel soft seal gate valve also includes a handwheel, and the handwheel is rotated with the top of the valve rod
Connection.
Compared to existing technology, the beneficial effects of the utility model are：
The utility model proposes stainless steel soft seal gate valve be provided with a seal assembly at the cooperation of valve rod and bonnet
And a fixation kit, the seal assembly includes packing ring and axle sleeve, the exterior seal ring set between axle sleeve and bonnet, valve rod three
Leakage can be prevented with inner seal ring, makes sealing effectiveness more preferably, bonnet top sets dust-proof seal ring and can prevent outside silt and miscellaneous
The infiltration of matter, the fixation kit also includes a y-shaped ring, is further ensured that sealing effectiveness, such multiple tracks valve stem seal
Structure so that axial seal is relatively reliable.
Brief description of the drawings
Fig. 1 is a sectional view of stainless steel soft seal gate valve of the present utility model.
Fig. 2 is the partial enlarged drawing at stainless steel soft seal gate valve A shown in Fig. 1.
In figure：100th, stainless steel soft seal gate valve；1st, valve body；11st, valve pocket；2nd, flashboard；3rd, valve rod；31st, raised step；
32nd, O-ring seals mounting groove；4th, bonnet；5th, handwheel；6th, seal assembly；61st, friction pad；62nd, axle sleeve；63rd, exterior seal ring；64、
Inner seal ring；65th, dust-proof seal ring；7th, fixation kit；71st, thrust ring；72nd, y-shaped ring；73rd, spacing ring.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the utility model is described further：
As shown in Figure 1-2, it is the stainless steel soft seal gate valve 100 of the preferred embodiment of the utility model one, including a valve body
1st, a flashboard 2, a valve rod 3, a bonnet 4, a handwheel 5, a seal assembly 6 and a fixation kit 7.
The valve body 1 be through type without groove structure, inside is provided with a valve pocket 11.The bonnet 4 and the upper end of the valve body 1
It is fixedly connected.Preferably, the valve body 1 is made of essence casting stainless steel.
The flashboard 2 is arranged in the valve pocket 11, and uses double inclined plane seal form with the valve pocket 11.The flashboard
2 use full rubber-wrapping structure effectively to prevent the pollution to water source.The both sides of the flashboard 2 are provided with and the guiding rib of the valve pocket 11
Set.
The valve rod 3 sequentially passes through the bonnet 4 and is connected with valve body 1 and with the rotation of the flashboard 2.Specifically, the valve
The lower end of bar 3 is connected with the flashboard 2 by trapezoidal ridge.The skeleton of the flashboard 2 uses integral type with the nut of the valve rod 3
Structure, it is to avoid during opening/shutting valve nut directly extruding and destroy encapsulated layer.The valve rod 3 is connected with the bonnet 4
Position is provided with a raised step 31 and some O-ring seals mounting grooves 32, and the valve rod 3 is positioned at by the raised step 31
In the bonnet 4.
The handwheel 5 rotates the top for being installed on the valve rod 3, for the keying of control valve.Specifically, using
When, operating personnel by rotate the handwheel 5 drive the valve rod 3 make the flashboard 2 move up and down in the valve pocket 11 from
And open or close the stainless steel soft seal gate valve 100.
The seal assembly 6 is arranged between the valve rod 3 and bonnet 4, the seal assembly 6 include a friction pad 61,
One axle sleeve 62, some exterior seal rings 63, the dust-proof seal ring 65 of some inner seal rings 64 and.The friction pad 61 and the axle sleeve
62 are set in the valve rod 3, and the friction pad 61 is located at the top of the raised step 31, and the axle sleeve 62 is located at the friction
The top of pad 61.Some exterior seal rings 63 are sheathed on the outer wall of the axle sleeve 62 and are located between the axle sleeve 62 and bonnet 4.
Some inner seal rings 64 are sheathed on the valve rod 3 and are located between the valve rod 3 and axle sleeve 62, specifically, described some
Inner seal ring 64 is respectively arranged in some O-ring seals mounting grooves 32.The dust-proof seal ring 65 is set in the valve
Bar 3 is simultaneously arranged at the top of the bonnet 4, specifically, described dust-proof to prevent outside silt or impurity from penetrating into the valve pocket 11
Sealing ring 65 is self-pressure-sealed circle.The friction pad 61 can significantly reduce valve operation moment of torsion, make the operating of the valve rod 3 more
It is smooth.Some exterior seal rings 63 between the axle sleeve 62 and bonnet 4, the three of valve rod 3 set with some inner seal rings 64
Meter can prevent leakage, make sealing effectiveness more preferably.Preferably, the friction pad 61 and axle sleeve 62 are copper.
The fixation kit 7 is arranged at the lower section of the raised step 31, and the fixation kit 7 is included from top to bottom successively
It is sheathed on a thrust ring 71, a y-shaped ring 72 and a spacing ring 73 of the valve rod 3.The valve rod 3 passes through the thrust ring
71 are fixed in the bonnet 4.The y-shaped ring 72 uses forced seal and self-pressure-sealed composite construction, forced seal circle
Seal request when can meet mesolow and produce negative pressure, when self-pressure-sealed circle can effectively resist positive hydraulic pressure impact with high pressure
Seal request, makes sealability further be lifted by water pressure, reaches splendid sealing effectiveness.The spacing ring 73 is used to limit
Make the axial movement of the valve rod 3.
Stainless steel soft seal gate valve 100 of the present utility model sets multiple tracks valve rod leak-proof structure so that axial seal is more
It is reliable.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (10)
1. a kind of stainless steel soft seal gate valve, an including valve body, a flashboard, a valve rod and a bonnet, the valve body include a valve
Chamber, the flashboard is arranged at the valve pocket, and the bonnet is fixedly connected with the valve body upper end, and the valve rod sequentially passes through described
Bonnet is connected with valve body and with the gate rotation, it is characterised in that：The stainless steel soft seal gate valve is also arranged at including one
Seal assembly between the valve rod and bonnet, if the seal assembly include a friction pad, an axle sleeve, some exterior seal rings,
Dry inner seal ring and a dust-proof seal ring, the axle sleeve are set in the valve rod, and some exterior seal rings are sheathed on outside axle sleeve
Wall is simultaneously located between the axle sleeve and bonnet, some inner seal rings be sheathed on the valve rod and be located at valve rod and axle sleeve it
Between, the friction pad and dust-proof seal ring are sheathed on valve rod and are located between valve rod and bonnet.
2. stainless steel soft seal gate valve as claimed in claim 1, it is characterised in that：The dust-proof seal ring is arranged at the valve
The top of lid.
3. stainless steel soft seal gate valve as claimed in claim 1, it is characterised in that：The valve rod is connected with the bonnet
Position be provided with a raised step and some O-ring seals mounting grooves.
4. stainless steel soft seal gate valve as claimed in claim 3, it is characterised in that：The friction pad is located at the raised step
Top, the axle sleeve is located at friction pad top.
5. stainless steel soft seal gate valve as claimed in claim 3, it is characterised in that：Some inner seal rings are respectively arranged at
In some O-ring seals mounting grooves.
6. stainless steel soft seal gate valve as claimed in claim 3, it is characterised in that：The stainless steel soft seal gate valve also includes
One is located at the fixation kit below the raised step.
7. stainless steel soft seal gate valve as claimed in claim 6, it is characterised in that：The fixation kit include from top to bottom according to
The secondary thrust ring for being sheathed on the valve rod, a y-shaped ring and a spacing ring.
8. stainless steel soft seal gate valve as claimed in claim 7, it is characterised in that：The y-shaped ring be forced seal with
Self-pressure-sealed composite construction.
9. stainless steel soft seal gate valve as claimed in claim 1, it is characterised in that：The lower end of the valve rod is logical with the flashboard
Cross trapezoidal ridge connection.
10. stainless steel soft seal gate valve as claimed in claim 1, it is characterised in that：The stainless steel soft seal gate valve is also wrapped
A handwheel is included, the handwheel is rotated with the top of the valve rod and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621341423.0U CN206268476U (en) | 2016-12-08 | 2016-12-08 | Stainless steel soft seal gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621341423.0U CN206268476U (en) | 2016-12-08 | 2016-12-08 | Stainless steel soft seal gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268476U true CN206268476U (en) | 2017-06-20 |
Family
ID=59044728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621341423.0U Expired - Fee Related CN206268476U (en) | 2016-12-08 | 2016-12-08 | Stainless steel soft seal gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833203A (en) * | 2021-02-04 | 2021-05-25 | 安徽红星阀门有限公司 | Novel gate valve and assembling method thereof |
-
2016
- 2016-12-08 CN CN201621341423.0U patent/CN206268476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833203A (en) * | 2021-02-04 | 2021-05-25 | 安徽红星阀门有限公司 | Novel gate valve and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Stainless steel soft sealing gate valve Effective date of registration: 20181203 Granted publication date: 20170620 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd Pledgor: Guangdong Yongquan Valve Technology Co., Ltd. Registration number: 2018990001132 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200109 Granted publication date: 20170620 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd Pledgor: Guangdong Yongquan Valve Technology Co., Ltd. Registration number: 2018990001132 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20201208 |