CN207514278U - A kind of single valve seat globe valve - Google Patents
A kind of single valve seat globe valve Download PDFInfo
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- CN207514278U CN207514278U CN201721373329.8U CN201721373329U CN207514278U CN 207514278 U CN207514278 U CN 207514278U CN 201721373329 U CN201721373329 U CN 201721373329U CN 207514278 U CN207514278 U CN 207514278U
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Abstract
The utility model discloses a kind of single valve seat globe valves, including valve body, valve deck, valve rod and valve ball, the valve ball is arranged in the cavity of valve inner, the valve body includes left valve barrel and right valve barrel, the valve deck is arranged on right valve barrel, the valve rod lower end passes through the upper end of valve deck and valve ball to be connected, valve seat is set between the valve ball and left valve barrel, it is tightly connected between the valve seat and valve ball, stepped is set on the joint face of the valve seat and left valve barrel, and it is provided with sealing device in the gap of step, elastic device, keystone ring and inclined-plane ring, Pass through above-mentioned technical proposal, it can and ensure that valve seat and valve ball remain contact, sealing effect is good, and it can realize two way seal, effective reversely sealing can be also carried out to the medium of reverse flow.
Description
Technical field
The utility model is related to ball valve field more particularly to a kind of single valve seat globe valves.
Background technology
Ball valve is more and more applied in practical production application, and single valve seat design can be considered as one section of continuous pipe
Road, upon closing, pipeline are divided into two sections, and valve internal does not have dead space, without caused by medium solid accumulation in superpressure and valve
Harm.When single valve seat globe valve is used for high temperature and pressure, medium multiphase flow, high abrasion, HF switch when harsh operating mode, in valve
The sphere in portion and the seal request of valve base chamber are very high, and existing valve is when medium reverse flow in pipeline, it is impossible to always
Valve seat and valve ball contact are kept, is made when there is magazine to enter sealing surface, it is impossible to ensure sealing effect, it particularly cannot be effectively to anti-
It is reversely sealed to the medium of flowing.
Upstream line, which has to ensure reversely to seal when flowing back, does not allow dielectric leakage to cause downstream line, makes the medium in downstream not
It is contaminated, it can ensure that valve seat and sphere remain contact, impurity not allowed to enter sealing surface and ensures sealing effect, and valve seat
Scraper can remove the medium for adhering to sphere, ensure the cleaning of sealing pair
Utility model content
In view of valve above shortcomings, the utility model provide a kind of single valve seat globe valve at present, it can and ensure valve
Seat and valve ball remain contact, and sealing effect is good, and can realize two way seal, and the medium of reverse flow can also be carried out effectively
Reversed sealing.
In order to achieve the above objectives, the embodiment of the utility model adopts the following technical scheme that：
A kind of single valve seat globe valve, including valve body, valve deck, valve rod and valve ball, the valve body includes left valve barrel and right valve barrel, institute
It states valve ball to be arranged in the inner chamber body that left valve barrel is formed with right valve barrel, the valve deck is arranged on right valve barrel, the valve rod lower end
It is connected across the upper end of valve deck and valve ball, valve seat is set between the valve ball and left valve barrel, it is close between the valve seat and valve ball
Envelope connection, be equipped with successively from left to right on the joint face of the valve seat and left valve barrel first step, second step, third step and
The joint face of 4th step, the left valve barrel and valve seat is equipped with first and is inverted step, the second inversion step and third inversion platform
Rank, the first step and first be inverted between step and the 4th step and third be inverted between step between be equipped with sealing dress
It puts, elastic device is equipped between the first step and the second inversion step and between the third step and third inversion step,
Accommodating chamber is equipped between the first step and second step and the second inversion step, is equipped in the accommodating chamber at least one
Keystone ring and with the matched inclined-plane ring of keystone ring, valve is designed for single valve seat, when medium conveys in the duct, can be taken away
The material of valve lumen prevents material from being accumulated in lumen and leading to valve ball rotation difficult even valve ball locking, valve seat and left valve barrel
Joint face on be disposed as the shape of step, between first step and first are inverted step and the 4th step and third are inverted
The sealing device being equipped between step, for preventing the fluid media (medium) in pipeline from circulating by the gap between valve seat and left valve barrel,
The elastic device being equipped between first step and the second inversion step and between third step and third inversion step, it is close for making
Seal and valve ball keep the state of continuous contact, will not because of valve ball and valve base chamber sealing ring appearance it is loose and cause to reveal,
The larger accommodating chamber of space is equipped between first step and second step and the second inversion step, is set in accommodating chamber
The contact surface of keystone ring and inclined-plane ring is the not inclined-plane on horizontal plane and vertical plane, and then can change fluid media (medium) and act on
The direction of active force on valve seat makes its reaction force generate certain angle with horizontal plane or vertical plane, and then acts on valve
Seat on the sealing surface of valve ball, guarantee valve seat and valve ball remain contact, make sealing effect more preferable, when medium reverse flow,
And during to the valve seat larger buffer brake of application, valve seat begins also to keep contacting, and can be because of valve seat reaction eventually with the sealing surface of valve ball
Power and sealing effect is more preferable, realize two way seal.
According to the one side of the utility model, the sealed connection between the valve seat and valve ball is tightly connected to be hard, firmly
Sealed connection makes ball valve can be applied to the harsh operating modes such as high temperature and pressure, medium multiphase flow, high abrasion, HF switch.
According to the one side of the utility model, hard be tightly connected uses solid wood sealing ring, the bullet of solid wood sealing ring
Property coefficient is relatively large, and cheap, and material is easy to get.
According to the one side of the utility model, the valve seat is equipped with scraper, and scraper can clean the attachment of valve ball sealing surface
Resisting medium, ensure the cleannes of the sealing ring of valve ball and valve base chamber, sealing ring made not abrade, the situations such as micro- leakage.
According to the one side of the utility model, the sealing device is O-ring seals, and O-ring seals material is easy to get, valency
Lattice are cheap.
According to the one side of the utility model, the elastic device is set as disk spring, and the rigidity of disk spring is big,
It is strong to buffer vibration absorption ability, can big load be born with small deformation, when the sealing ring between valve seat and valve ball is because of abrasion or other reasons
When relaxing, disk spring discharges part potential energy so that the pressure between valve seat and valve ball to be kept to reach seal request.
According to the one side of the utility model, lower valve rod, the lower valve rod and right valve barrel are additionally provided on the right valve barrel
It is fixedly connected, is rotatablely connected with valve ball lower end, when valve ball is larger, setting lower valve rod can be in the lower part for valve ball in valve ball lower end
Stable support force is provided, and is its rotational orientation around valve rod, makes the effect stability of rotation.
According to the one side of the utility model, the keystone ring and inclined-plane ring are made of forging technology, forging technology
Make keystone ring and inclined-plane ring that there is higher intensity, compact-sized, good appearance.
According to the one side of the utility model, the keystone ring and inclined-plane ring are stainless steel, stainless steel material
It is easy to get, and property is stablized.
The advantages of the utility model is implemented：The utility model provides a kind of single valve seat globe valve, including valve body, valve deck, valve
Bar and valve ball, the valve ball are arranged in the cavity of valve inner, and the valve body includes left valve barrel and right valve barrel, and the valve deck is set
It puts on right valve barrel, the valve rod lower end passes through the upper end of valve deck and valve ball to be connected, and is set between the valve ball and left valve barrel
Valve seat is tightly connected between the valve seat and valve ball, is equipped with the on the joint face of the valve seat and left valve barrel successively from left to right
The joint face of one step, second step, third step and the 4th step, the left valve barrel and valve seat is equipped with first and is inverted platform
Rank, second are inverted step and third and are inverted step, the first step and first be inverted between step and the 4th step and
Third is equipped with sealing device between being inverted between step, and the first step and second are inverted between step and the third step and the
Elastic device, the first step and second step and described second is equipped between three inversion steps to be inverted between step equipped with receiving
Chamber, be equipped in the accommodating chamber at least one keystone ring and with the matched inclined-plane ring of keystone ring, through the above technical solutions, energy
Enough and guarantee valve seat and valve ball remain contact, and sealing effect is good, and can realize two way seal, to the medium of reverse flow
It can carry out effective reversely sealing.
Description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structure diagram of single valve seat globe valve described in the utility model；
Fig. 2 is a kind of valve seat enlarged structure schematic diagram of single valve seat globe valve described in the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, Figure 2, it is shown, a kind of single valve seat globe valve, including valve body 1, valve deck 2, valve rod 3 and valve ball 4, the valve body 1
Including left valve barrel 11 and right valve barrel 12, the valve ball 4 is arranged in the inner chamber body that left valve barrel 11 is formed with right valve barrel 12, the valve
Lid 2 is arranged on right valve barrel 12, and 3 lower end of valve rod passes through valve deck 2 and the upper end of valve ball 4 to be connected, the valve ball 4 and a left side
Valve seat 5 between valve body 11 is set, is tightly connected between the valve seat 5 and valve ball 4, on the joint face of the valve seat 5 and left valve barrel 11
It is equipped with first step 51, second step 52,53 and the 4th step 54 of third step, the left valve barrel 11 and valve successively from left to right
The joint face of seat 5 is equipped with first and is inverted the inversion step 112 of step 111, second and third inversion step 113, the First
Sealing device 6 is equipped between the inversion step 111 of rank 51 and first and between the 4th step 54 and third inversion step 113,
Bullet is equipped between the inversion of first step 51 and second step 112 and between the third step 53 and third inversion step 113
Property device 7, the first step 51 and second step 52 and described second are inverted between step 112 and are equipped with accommodating chamber, the receiving
Intracavitary be equipped at least one keystone ring 8 and with 8 matched inclined-plane ring 9 of keystone ring, valve is designed for single valve seat, when medium is in pipe
When being conveyed in road, the material of valve lumen can be taken away, prevents material from being accumulated in lumen and valve ball 4 is caused to rotate difficult even valve
4 locking of ball, and 3 need of valve rod do 90 ° choose to install can be by valve opening and closing, opening and closing time is short, at the same when sphere on one side
Sealing surface it is impaired when, 180 ° of another sides using sphere of rotating sphere is only needed to do sealing surface, greatly extend making for ball valve
With the service life, valve seat 5 and the shape that step is disposed as on the joint face of left valve barrel 11 are inverted step in first step 51 and first
The sealing device 6 being equipped between 111 and between the 4th step 54 and third inversion step 113, for the fluid in pipeline is prevented to be situated between
Matter is circulated by gap between valve seat 5 and left valve barrel 11, between first step 51 and second is inverted step 112 and third platform
Rank 53 and third are inverted the elastic device 7 being equipped between step 113, for making the state of sealing ring and the holding continuous contact of valve ball 4,
Will not cause to reveal because of the appearance relaxation of sealing ring between valve ball 4 and valve seat 5, first step 51 and second step 52 with it is described
Second is inverted between step 112 equipped with the larger accommodating chamber of space, the keystone ring 8 of the interior setting of accommodating chamber and connecing for inclined-plane ring 9
Contacting surface is inclined-plane not on horizontal plane and vertical plane, and then can change fluid media (medium) and act on active force on valve seat 5
Direction makes its reaction force generate certain angle with horizontal plane or vertical plane, and then acts on the sealing of valve seat 5 and valve ball 4
On face, ensure that valve seat 5 and valve ball 4 remain contact, make sealing effect more preferable, apply when medium reverse flow, and to valve seat 5
During larger buffer brake, valve seat 5 begins also to keep contacting, and can seal effect due to 5 reaction force of valve seat eventually with the sealing surface of valve ball 4
Fruit is more preferable, realizes two way seal.
As preferred embodiment, the sealed connection between the valve seat 5 and valve ball 4 is tightly connected to be hard, hard to seal
Connection makes ball valve can be applied to the harsh operating modes such as high temperature and pressure, medium multiphase flow, high abrasion, HF switch, the hard sealing
It is preferable to use solid wood sealing rings for connection, and the coefficient of elasticity of solid wood sealing ring is relatively large, and cheap, and material is easy to get.
As preferred embodiment, the valve seat 5 is equipped with scraper, and scraper can clean the viscous of 4 sealing surface of valve ball attachment
Property medium, ensure the cleannes of the sealing ring between valve ball 4 and valve seat 5, sealing ring made not abrade, the situations such as micro- leakage.
As preferred embodiment, the sealing device 6 is O-ring seals, and O-ring seals material is easy to get, and price is just
Preferably.
As preferred embodiment, the elastic device 7 is set as disk spring, and the rigidity of disk spring is big, buffering
Vibration absorption ability is strong, can bear big load with small deformation, when the sealing ring between valve seat 5 and valve ball 4 because abrasion or other reasons go out
When now relaxing, disk spring discharges part potential energy so that the pressure between valve seat 5 and valve ball 4 to be kept to reach seal request.
As preferred embodiment, lower valve rod 10, the lower valve rod 10 and right valve barrel are additionally provided on the right valve barrel 12
12 are fixedly connected, and are rotatablely connected with 4 lower end of valve ball, can be for valve in 4 lower end of valve ball setting lower valve rod 10 when valve ball 4 is larger
The lower part of ball 4 provides stable support force, and is its rotational orientation around valve rod 3, makes the effect stability of rotation.
As preferred embodiment, the keystone ring 8 and inclined-plane ring 9 are made of forging technology, and forging technology makes ladder
Shape ring 8 and inclined-plane ring 9 have higher intensity, compact-sized, good appearance, 9 preferred stainless steel of the keystone ring 8 and inclined-plane ring
Material, stainless steel material are easy to get, and property is stablized.
The advantages of the utility model is implemented：The utility model provides a kind of single valve seat globe valve, including valve body, valve deck, valve
Bar and valve ball, the valve ball are arranged in the cavity of valve inner, and the valve body includes left valve barrel and right valve barrel, and the valve deck is set
It puts on right valve barrel, the valve rod lower end passes through the upper end of valve deck and valve ball to be connected, and is set between the valve ball and left valve barrel
Valve seat is tightly connected between the valve seat and valve ball, is equipped with the on the joint face of the valve seat and left valve barrel successively from left to right
The joint face of one step, second step, third step and the 4th step, the left valve barrel and valve seat is equipped with first and is inverted platform
Rank, second are inverted step and third and are inverted step, the first step and first be inverted between step and the 4th step and
Third is equipped with sealing device between being inverted between step, and the first step and second are inverted between step and the third step and the
Elastic device, the first step and second step and described second is equipped between three inversion steps to be inverted between step equipped with receiving
Chamber, be equipped in the accommodating chamber at least one keystone ring and with the matched inclined-plane ring of keystone ring, through the above technical solutions, energy
Enough and guarantee valve seat and valve ball remain contact, and sealing effect is good, and can realize two way seal, to the medium of reverse flow
It can carry out effective reversely sealing.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any those skilled in the art is disclosed in the utility model in technical scope, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with described
Subject to scope of the claims.
Claims (9)
1. a kind of single valve seat globe valve, which is characterized in that including valve body, valve deck, valve rod and valve ball, the valve body include left valve barrel and
Right valve barrel, the valve ball are arranged in the inner chamber body that left valve barrel is formed with right valve barrel, and the valve deck is arranged on right valve barrel, described
Valve rod lower end passes through the upper end of valve deck and valve ball to be connected, and valve seat, the valve seat and valve are set between the valve ball and left valve barrel
It is tightly connected between ball, is equipped with first step, second step, the on the joint face of the valve seat and left valve barrel successively from left to right
The joint face of three steps and the 4th step, the left valve barrel and valve seat is equipped with first and is inverted step, second is inverted step and the
Three are inverted step, are equipped between the first step and the first inversion step and between the 4th step and third inversion step close
Seal apparatus is equipped with elasticity dress between the first step and the second inversion step and between the third step and third inversion step
It puts, the first step and second step and described second are inverted between step equipped with accommodating chamber, and the accommodating chamber is interior to be equipped at least
One keystone ring and with the matched inclined-plane ring of keystone ring.
2. a kind of single valve seat globe valve according to claim 1, which is characterized in that the sealing between the valve seat and valve ball connects
It is connected in hard sealed connection.
3. a kind of single valve seat globe valve according to claim 2, which is characterized in that the hard sealed connection is sealed using solid wood
Circle.
4. a kind of single valve seat globe valve according to claim 1, which is characterized in that the valve seat is equipped with scraper.
5. a kind of single valve seat globe valve according to claim 1, which is characterized in that the sealing device is O-ring seals.
6. a kind of single valve seat globe valve according to claim 1, which is characterized in that the elastic device is set as dish-shaped bullet
Spring.
7. a kind of single valve seat globe valve according to claim 1, which is characterized in that lower valve rod is additionally provided on the right valve barrel,
The lower valve rod is fixedly connected with right valve barrel, is rotatablely connected with valve ball lower end.
8. according to a kind of single valve seat globe valve of claim 1-7 any one of them, which is characterized in that the keystone ring and inclined-plane ring
It is made of forging technology.
9. a kind of single valve seat globe valve according to claim 8, which is characterized in that the keystone ring and inclined-plane ring are stainless
Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721373329.8U CN207514278U (en) | 2017-10-24 | 2017-10-24 | A kind of single valve seat globe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721373329.8U CN207514278U (en) | 2017-10-24 | 2017-10-24 | A kind of single valve seat globe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514278U true CN207514278U (en) | 2018-06-19 |
Family
ID=62536173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721373329.8U Active CN207514278U (en) | 2017-10-24 | 2017-10-24 | A kind of single valve seat globe valve |
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| Country | Link |
|---|---|
| CN (1) | CN207514278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762194A (en) * | 2021-03-02 | 2021-05-07 | 温州市安通阀门有限公司 | Hard sealing ball device |
-
2017
- 2017-10-24 CN CN201721373329.8U patent/CN207514278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762194A (en) * | 2021-03-02 | 2021-05-07 | 温州市安通阀门有限公司 | Hard sealing ball device |
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