CN209196272U - Has the axial butterfly valve for reinforcing sealing function - Google Patents
Has the axial butterfly valve for reinforcing sealing function Download PDFInfo
- Publication number
- CN209196272U CN209196272U CN201821736587.2U CN201821736587U CN209196272U CN 209196272 U CN209196272 U CN 209196272U CN 201821736587 U CN201821736587 U CN 201821736587U CN 209196272 U CN209196272 U CN 209196272U
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- Prior art keywords
- butterfly valve
- annular
- seal
- axial
- ring
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Abstract
Has the axial butterfly valve for reinforcing sealing function the utility model discloses a kind of, including valve body, dish plate, rubber bushing and drive shaft, the drive shaft is mounted in the driving shaft mounting hole of valve body neck, the annular seal hole being connected to driving shaft mounting hole is equipped in the driving shaft mounting hole upper end, the annular sealing device for being placed on drive shaft is equipped in annular seal hole, for preventing conveyed liquid from axial leakage.It uses for butterfly valve or frequently adjusts for a long time, cause rubber liner sealing face uneven wear, cause axial leakage problems, by reasonably being improved existing butterfly valve, effectively strengthen axial seal effect, hidden leakage defect is eliminated, the service life of butterfly valve is enhanced, reduces use cost and standby redundancy cost.
Description
Technical field
The utility model belongs to water supply and sewage equipment technical field, in particular to a kind of to have the axial butterfly for reinforcing sealing function
Valve.
Background technique
The sealing of existing butterfly valve is by squeezing to realize, with making for a long time between dish plate end face and rubber bushing
With or butterfly valve frequently adjust, cause rubber liner sealing face uneven wear, destroy end face seal, medium is seeped along driving axis direction
It leaks and enters inside the executing agency of driving butterfly drive shaft, executing agency is caused to fail or damage, needed to change to eliminate leakage
Rubber bushing, this not only adds maintenance loads, while also increasing maintenance cost.
Utility model content
Has the axial butterfly valve for reinforcing sealing function the purpose of this utility model is to provide a kind of, to solve the prior art
Middle long-time uses or butterfly valve is frequently adjusted, and causes rubber liner sealing face uneven wear, destroys end face seal, make medium into
The problem of entering inside executing agency, executing agency caused to fail or damage.
The technical solution of the utility model is achieved in that a kind of butterfly valve for having axial reinforcement sealing function, including
Valve body, dish plate, rubber bushing and drive shaft, the drive shaft are mounted in the driving shaft mounting hole of valve body neck, in the drive
Moving axis mounting hole upper end is equipped with the annular seal hole being connected to driving shaft mounting hole, is equipped in annular seal hole and is placed on drive shaft
Annular sealing device, to prevent axial leakage.
Described in the utility model have an axial butterfly valve for reinforcing sealing function, the annular sealing device include rigidity or
Semirigid seal receptacle and soft sealing ring, seal receptacle are used to support sealing ring.
It is described in the utility model to have the axial butterfly valve for reinforcing sealing function, it is outer that annular is equipped on the outside of the seal receptacle
Slot, for fixing exterior seal ring, the exterior seal ring is for the gap between sealing ring sealing hole side wall and seal receptacle.
It is described in the utility model to have the axial butterfly valve for reinforcing sealing function, it is equipped in annular on the inside of the seal receptacle
Slot, for fixing inner seal ring, the inner seal ring is for the gap between drive shaft and seal receptacle.
Described in the utility model to have the axial butterfly valve for reinforcing sealing function, the annular trough and annular outer groove are mutual
The upper and lower part for being set to seal receptacle of confrontation.
Described in the utility model to have the axial butterfly valve for reinforcing sealing function, the inner seal ring is general plug envelope.
Described in the utility model to have the axial butterfly valve for reinforcing sealing function, the butterfly valve further includes for fixing seal
The annular pressing plate of seat, the annular pressing plate are fixed on valve body neck from above by bolt.
Described in the utility model to have the axial butterfly valve for reinforcing sealing function, the annular seal hole is with annular table
The inverted "convex" shape of rank, the annular pressing plate are directly anchored on ring-shaped step.
Described in the utility model to have the axial butterfly valve for reinforcing sealing function, the top edge of the seal receptacle is equipped with circumferential
The annular extension of the seal receptacle is directly pressed abd fixed on ring-shaped step by horizontal-extending annular extension, annular pressing plate
On.
Described in the utility model to have the axial butterfly valve for reinforcing sealing function, seal receptacle is stainless steel material, general plug envelope
Outer layer and built-in stainless steel spring including polytetrafluoroethylene (PTFE) material, exterior seal ring are nitrile rubber material.
The utility model, which has the technical effect that, to be used for a long time for butterfly valve or frequently adjusts, and rubber liner sealing is caused
Face uneven wear causes axial leakage problems, by reasonably being improved existing butterfly valve, effectively strengthens axial seal
Effect eliminates hidden leakage defect, enhances the service life of butterfly valve, reduces use cost and standby redundancy cost, and can fit extensively
Transformation for existing same type butterfly valve.
Detailed description of the invention
Fig. 1 is the overall structure of the explosion figure of the utility model butterfly valve；
Fig. 2 is the partial structurtes explosive view of the utility model butterfly valve；
Fig. 3 is the entirety sectional view of the utility model butterfly valve；
Fig. 4 is the partial sectional view of the utility model butterfly valve.
Marked in the figure: 1 is valve body, 11 is drive shaft mounting hole, and 12 be annular seal hole, and 121 be ring-shaped step, and 2 be rubber
Glue bushing, 3 be dish plate, and 4 be drive shaft, and 5 be seal receptacle, and 51 be annular outer groove, and 52 be annular trough, and 53 be annular extension, 6
It is sealed for exterior seal ring, 7 for general plug, 8 be annular pressing plate, and 9 be bolt.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model technology.It should be appreciated that specific embodiment described herein is only used to
It explains the utility model, is not used to limit the utility model.
As shown in Figs 1-4, have the axial butterfly valve for reinforcing sealing function, including valve body 1, dish plate 3, rubber bushing 2 and drive
Moving axis 4, the drive shaft 4 are mounted in the driving shaft mounting hole 11 of 1 neck of valve body, in 11 upper end of driving shaft mounting hole
Equipped with the annular seal hole 12 being connected to driving shaft mounting hole 11, the ring-type being placed in drive shaft 4 is equipped in annular seal hole 12
Sealing device, for preventing conveyed liquid from axial leakage；The annular sealing device includes rigid or semirigid sealing
Seat 5 and soft sealing ring, seal receptacle 5 are used to support sealing ring.Annular outer groove 51 is equipped on the outside of the seal receptacle 5, for solid
Determine exterior seal ring 6, the exterior seal ring 6 is for the gap between 12 side wall of sealing ring sealing hole and seal receptacle 5, the sealing
5 inside of seat is additionally provided with annular trough 52, and for fixing inner seal ring, the inner seal ring is for sealing drive shaft 4 and seal receptacle 5
Between gap.
In the present embodiment, the annular trough 52 is set to the top of seal receptacle 5, and annular outer groove 51 is set to seal receptacle
5 lower part, but in practice, the relative position up and down of annular outer groove 51 and annular trough 52 can be exchanged, and can also reach identical
Technical effect.Seal receptacle 5 is stainless steel material, and the inner seal ring is general plug envelope 7, and general plug envelope 7 includes polytetrafluoroethylene (PTFE) material
The outer layer of matter and built-in stainless steel spring, but existing general plug envelope can be adapted for this, and exterior seal ring 6 is nitrile rubber branch
Support, by being mounted in annular seal hole 12 after seal receptacle 5 and exterior seal ring 6 and 7 combination of general plug envelope, so that in seal receptacle 5
The gap in outside is all effectively sealed, it is therefore prevented that liquid leaks outward, and butterfly valve improved in this way has axial direction outstanding
Sealing effect.
The butterfly valve further includes the annular pressing plate 8 for fixing seal seat 5, and the annular pressing plate 8 is by bolt 9 from upper solid
It is scheduled on valve body neck, in the present embodiment, the annular seal hole 12 is the inverted "convex" shape structure with ring-shaped step 121,
And the top edge of the seal receptacle 5 is equipped with circumferential horizontal-extending annular extension 53, and annular pressing plate 8 is directly by the sealing
The annular extension 53 of seat 5 is pressed abd fixed on ring-shaped step 121, and is locked on by bolt 9.Ring-shaped step 121
Upper circumferential direction is evenly provided with bolt connecting hole, and corresponds to the bolt on annular pressing plate 8 and annular extension 53 and connect
It connects hole and is equipped with the through-hole passed through accordingly for bolt 9, to facilitate combination to install.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of have the axial butterfly valve for reinforcing sealing function, including valve body, dish plate, rubber bushing and drive shaft, feature exist
In: in the driving shaft mounting hole that the drive shaft is mounted on valve body neck, it is equipped with and drive in the driving shaft mounting hole upper end
The annular seal hole of moving axis mounting hole connection, equipped with the annular sealing device for being placed on drive shaft in annular seal hole, to prevent axis
To leakage.
2. according to claim 1 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: the annular seal dress
It sets and is used to support sealing ring including rigid or semirigid seal receptacle and soft sealing ring, seal receptacle.
3. according to claim 2 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: on the outside of the seal receptacle
Equipped with annular outer groove, for fixing exterior seal ring, the exterior seal ring is used between sealing ring sealing hole side wall and seal receptacle
Gap.
4. according to claim 3 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: on the inside of the seal receptacle
Equipped with annular trough, for fixing inner seal ring, the inner seal ring is for the gap between drive shaft and seal receptacle.
5. according to claim 4 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: the annular trough and
What annular outer groove was mutually confronted is set to the upper and lower part of seal receptacle.
6. according to claim 4 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: the inner seal ring is
General plug envelope.
7. according to any butterfly valve for having axial reinforcement sealing function of claim 2-6, it is characterised in that: the butterfly valve
It further include the annular pressing plate for fixing seal seat, the annular pressing plate is fixed on valve body neck from above by bolt.
8. according to claim 7 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: the annular seal hole
For the inverted "convex" shape with ring-shaped step, the annular pressing plate is directly anchored on ring-shaped step.
9. according to claim 8 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: the seal receptacle it is upper
Edge is equipped with circumferential horizontal-extending annular extension, and the annular extension of the seal receptacle is directly fixed by annular pressing plate
On ring-shaped step.
10. according to claim 6 have the axial butterfly valve for reinforcing sealing function, it is characterised in that: seal receptacle is stainless
Steel material, general plug package include the outer layer and built-in stainless steel spring of polytetrafluoroethylene (PTFE) material, and exterior seal ring is nitrile rubber material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736587.2U CN209196272U (en) | 2018-10-25 | 2018-10-25 | Has the axial butterfly valve for reinforcing sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736587.2U CN209196272U (en) | 2018-10-25 | 2018-10-25 | Has the axial butterfly valve for reinforcing sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196272U true CN209196272U (en) | 2019-08-02 |
Family
ID=67409109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821736587.2U Active CN209196272U (en) | 2018-10-25 | 2018-10-25 | Has the axial butterfly valve for reinforcing sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196272U (en) |
-
2018
- 2018-10-25 CN CN201821736587.2U patent/CN209196272U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |