CN206522500U - The sealing structure and water filling sealed butterfly valve of a kind of valve - Google Patents
The sealing structure and water filling sealed butterfly valve of a kind of valve Download PDFInfo
- Publication number
- CN206522500U CN206522500U CN201621448807.2U CN201621448807U CN206522500U CN 206522500 U CN206522500 U CN 206522500U CN 201621448807 U CN201621448807 U CN 201621448807U CN 206522500 U CN206522500 U CN 206522500U
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- China
- Prior art keywords
- valve
- sealing ring
- valve body
- sealing structure
- plate
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- Expired - Fee Related
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Abstract
The utility model is related to a kind of sealing structure of valve, described valve includes the valve body for offering communication port, it is arranged in described valve body and is matched therewith that the valve plate of described communication port can be opened and closed, described sealing structure is arranged between described valve body and valve plate, described sealing structure includes being connected on valve body, sealing ring at its communication port, when described valve plate is closed, described sealing ring is in contact to form sealing with described butterfly plate, described sealing ring has hollow chamber, the inlet that the chamber hollow with described sealing ring is connected is provided with described valve body.A kind of water filling sealed butterfly valve, it includes described sealing structure.The present embodiment passes through the improvement and the adjustment of installation site to ring structure so that it can reseal it by way of injected media upon wear, and simple in construction, sealed reliable, sealing ring service life is long.
Description
Technical field
The utility model is related to valve field, the sealing structure and water filling sealed butterfly valve of more particularly to a kind of valve.
Background technology
Butterfly valve as shown in Figure 1, mainly includes valve body 1, butterfly plate 2 and valve rod 30,31.Wherein, there is circulation on valve body 1
Mouth 10；Butterfly plate 2 is arranged on valve rod 30,31 and in valve body 1, and valve rod 30,31, which is located on valve body 1, drives butterfly plate 2 and valve
Body 1 is engaged opening and closing communication port 10.In order to keep sealing of the butterfly plate 2 after closing, it is provided between valve body 1 and butterfly plate 2
Sealing structure.As shown in Figure 2：Sealing structure includes the circle sealing ring 4 ' being connected on the side face of butterfly plate 2, and sealing ring 4 ' is using close
Seal pressing plate 6 ' is installed on butterfly plate 2.But sealing structure sealing ring 4 ' during switch is easy to abrasion, works as valve setting
Valve is installed in pipe-line system, and the abrasion of sealing ring 4 ' will result in the leakage failure of butterfly valve.The service life of sealing structure is very
It is short.
The content of the invention
A purpose of the present utility model is to provide a kind of sealing structure of valve.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of sealing structure of valve, described valve include offering the valve body of communication port, be arranged in described valve body with
It, which is engaged, can be opened and closed the valve plate of described communication port, and described sealing structure is arranged between described valve body and valve plate,
Described sealing structure is including being connected on valve body, the sealing ring at its communication port, described when described valve plate is closed
Sealing ring be in contact to form sealing with described butterfly plate, described sealing ring has to be set on hollow chamber, described valve body
It is equipped with the inlet that the chamber hollow with described sealing ring is connected.
Preferably, it is provided with water filling part at described inlet.
It is further preferred that described water filling part is water injection valve.
Preferably, described sealing ring is fixed on by sealing ring pressing plate on described valve body.
It is further preferred that the cross section of described sealing ring is in T shape.
It is further preferred that having the matched with the shape of T-shaped described sealing ring side on described valve body
One groove portion；Described sealing ring pressing plate has the second groove portion that the shape with T-shaped described sealing ring opposite side matches, T
Sealing ring described in font is fixed on by the first described groove portion and the second described groove portion on described valve body.
It is further preferred that described sealing ring pressing plate is connected by screw on described valve body.
Preferably, described sealing ring uses rubber.
Another purpose of the present utility model is to provide a kind of water filling sealed butterfly valve.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of water filling sealed butterfly valve, it includes described sealing structure.
Preferably, described valve plate is butterfly plate.
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
The present embodiment passes through the improvement and the adjustment of installation site to ring structure so that it can pass through upon wear
The mode of injected media reseals it, and simple in construction, sealed reliable, sealing ring service life is long.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram of butterfly valve in the prior art；
Accompanying drawing 2 is the schematic diagram of butterfly valve seal structure in the prior art；
Accompanying drawing 3 is the schematic diagram of butterfly valve in the present embodiment；
Accompanying drawing 4 is the schematic diagram of butterfly valve seal structure in the present embodiment.
Wherein：1st, valve body；10th, communication port；11st, inlet；12nd, the first groove portion；2nd, butterfly plate；30th, 31, valve rod；4th, seal
Circle；40th, chamber；5th, water injection valve；6th, sealing ring pressing plate；60th, the second groove portion；7th, screw.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
A kind of water filling sealed butterfly valve as shown in Figure 3, butterfly valve mainly includes valve body 1, butterfly plate 2 and valve rod 30,31.Its
In, there is communication port 10 on valve body 1；Butterfly plate 2 is arranged on valve rod 30,31 and in valve body 1, and valve rod 30,31 is located in valve
Butterfly plate 2 is driven to be engaged opening and closing communication port 10 with valve body 1 on body 1.
In order to keep sealing of the butterfly plate 2 after closing, sealing structure is provided between valve body 1 and butterfly plate 2.Such as Fig. 4
It is shown：Sealing structure is including being connected on valve body 1, the sealing ring 4 at its communication port 10, when butterfly plate 2 is closed, sealing ring
4 are in contact to form sealing with butterfly plate 2.In the present embodiment：Sealing ring 4 has hollow chamber 40, and its material still can be adopted
With rubber, the inlet 11 that the chamber 40 hollow with sealing ring 4 is connected is provided with valve body 1, when butterfly valve is in pipe-line system
After long-time wear and leakage, butterfly valve is closed, by inlet 11, into the hollow chamber 40 of sealing ring 4, injected media makes
Sealing ring 4 expands, so as to realize sealing again.The medium of injection can be clear water or be gas etc., for the ease of to injection
Water filling is carried out in mouth 11, water filling part, such as water injection valve 5 are provided with inlet 11.
In the present embodiment：The cross section of sealing ring 4 is in T shape, and sealing ring 4 is fixed on valve body 1 by sealing ring pressing plate 6
On.Specially：There is the first groove portion 12 that the shape with the T-shaped side of sealing ring 4 matches on valve body 1；Sealing ring pressing plate 6
The second groove portion 60 matched with the shape with the T-shaped opposite side of sealing ring 4, sealing ring pressing plate 6 is connected to valve by screw 7
On body 1, the both sides of T-shaped sealing ring 4 are located in the first groove portion 12 and the second groove portion 60 respectively, so as to be fixed on valve body 1.
Certainly, the present embodiment is by taking butterfly valve as an example, and the sealing structure can also be with the valve of other structures.
Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (10)
1. a kind of sealing structure of valve, described valve includes offering the valve body of communication port, is arranged in described valve body and it
The valve plate of described communication port can be opened and closed by being engaged, and described sealing structure is arranged between described valve body and valve plate, its
It is characterised by：Described sealing structure is including being connected on valve body, the sealing ring at its communication port, when described valve plate is closed
When closing, described sealing ring is in contact to form sealing with described valve plate, and described sealing ring has hollow chamber, described
The inlet that the chamber hollow with described sealing ring is connected is provided with valve body.
2. a kind of sealing structure of valve according to claim 1, it is characterised in that：Water filling is provided with described inlet
Part.
3. a kind of sealing structure of valve according to claim 2, it is characterised in that：Described water filling part is water injection valve.
4. a kind of sealing structure of valve according to claim 1, it is characterised in that：Described sealing ring passes through sealing ring pressure
Plate is fixed on described valve body.
5. a kind of sealing structure of valve according to claim 4, it is characterised in that：The cross section of described sealing ring is in T
Font.
6. a kind of sealing structure of valve according to claim 5, it is characterised in that：On described valve body have with it is T-shaped
The first groove portion that the shape of described sealing ring side matches；Described sealing ring pressing plate has and T-shaped described sealing
The second groove portion for matching of shape of circle opposite side, T-shaped described sealing ring passes through the first described groove portion and described the
Two groove portions are fixed on described valve body.
7. a kind of sealing structure of valve according to claim 4, it is characterised in that：Described sealing ring pressing plate passes through screw
It is connected on described valve body.
8. a kind of sealing structure of valve according to claim 1, it is characterised in that：Described sealing ring uses rubber.
9. a kind of water filling sealed butterfly valve, it is characterised in that：It is included in claim 1 to 8 described in any one claim
Sealing structure.
10. water filling sealed butterfly valve according to claim 9, it is characterised in that：Described valve plate is butterfly plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448807.2U CN206522500U (en) | 2016-12-27 | 2016-12-27 | The sealing structure and water filling sealed butterfly valve of a kind of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448807.2U CN206522500U (en) | 2016-12-27 | 2016-12-27 | The sealing structure and water filling sealed butterfly valve of a kind of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206522500U true CN206522500U (en) | 2017-09-26 |
Family
ID=59888750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621448807.2U Expired - Fee Related CN206522500U (en) | 2016-12-27 | 2016-12-27 | The sealing structure and water filling sealed butterfly valve of a kind of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206522500U (en) |
-
2016
- 2016-12-27 CN CN201621448807.2U patent/CN206522500U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20191227 |