CN207229784U - A kind of packing seal structure for butterfly valve - Google Patents
A kind of packing seal structure for butterfly valve Download PDFInfo
- Publication number
- CN207229784U CN207229784U CN201720995573.1U CN201720995573U CN207229784U CN 207229784 U CN207229784 U CN 207229784U CN 201720995573 U CN201720995573 U CN 201720995573U CN 207229784 U CN207229784 U CN 207229784U
- Authority
- CN
- China
- Prior art keywords
- gland
- filler
- stent
- valve body
- valve
- 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.)
- Active
Links
Abstract
The utility model is related to valve technology field, more particularly, to be a kind of packing seal structure for butterfly valve.A kind of packing seal structure for butterfly valve of the utility model, including filler chamber, filler, gland, spring and stent.Gland is hidden in ring support, increases leakproofness, prevents gland gets rusty from influencing its performance.Using gland, stent and corresponding fastener, filler can be kept to avoid medium between valve body and valve rod（Water, oil etc.）And spill valve exposed with filler.Medium is found during use（Water, oil etc.）Leak, operable adjustment valve rod, adjusting nut, make presenting a theatrical performance as the last item on a programme filler toward pushing in valve body for gland, improve the sealing performance between valve body and valve rod, effectively solve medium and leak phenomenon.And spring can keep overall tightness.
Description
Technical field
The utility model is related to valve technology field, more particularly, to be a kind of packing seal structure for butterfly valve.
Background technology
Existing valve species is various, and is widely used, and butterfly valve is widely used for the works such as plumbing, food, chemical industry
As one of valve of adjusting and throttling on industry pipeline.Its operation principle is：By rotating handle, rotation valve rod, and then band
Dynamic butterfly plate plate rotation, achievees the purpose that to be turned on and off.It is come generation with sealing ring rubber in itself in traditional butterfly valve to folder
Prevent what medium from leaking outside for valve packing, under special use state, medium often leaks outward along valve rod causes valve
Door leakage.Cause seal failure, if valve of electric valve can cause electrically operated valve failure.
Utility model content
A kind of the purpose of this utility model is to overcome above-mentioned deficiency, there is provided packing seal structure for butterfly valve.
To achieve the above object, the technical solution of the utility model is：A kind of packing seal structure for butterfly valve,
Including the filler chamber arranged on valve body upper end, it is built in the filler of filler chamber, the gland above valve body, spring and branch
Frame.Using gland, stent and corresponding fastener, filler can be kept to avoid medium between valve body and valve rod（Water,
Oil etc.）And spill valve exposed with filler.The stent is ring-shaped, and installation screw is equipped with the inside of stent；Installation screw is arranged on
On the inside of stent, make stent outside regular, while strengthen stent and valve body installation stable connection.The gland is placed in stent
It is interior, it is equipped with valve rod hole among gland；Downwardly projecting present a theatrical performance as the last item on a programme is equipped among gland；Tune is fixed with below gland
Whole screw rod, adjustment screw is positioned at outside of presenting a theatrical performance as the last item on a programme；Present a theatrical performance as the last item on a programme and be adapted with filler chamber, for by filler toward valve body internal pressure；Gland
Axial length is less than stent length；The valve body upper end is equipped with radially outer flange, flange be equipped with respectively with installation screw,
Adjustment screw matches corresponding mounting hole, adjusting hole；It is fixedly connected between stent and valve body using standing screw component；Adjust spiral shell
Bar is set with adjusting hole, spring, and an adjusting nut successively, is fixed on valve body.Medium is found during use（Water, oil etc.）
Leak, operable adjustment valve rod, adjusting nut, make presenting a theatrical performance as the last item on a programme filler toward pushing in valve body for gland, improve valve body and valve
Sealing performance between bar, effectively solves medium and leaks phenomenon.And spring can keep overall tightness.Gland is hidden in
In ring support, increase leakproofness, prevent gland gets rusty from influencing its performance.
Preferably, the gland is fusiform, and adjustment screw is respectively and fixedly provided with below two long ends；On the inside of the stent
Even to be equipped with four installation screws, two long ends of gland are just respectively placed between installation screw.Gland is stuck in branch
In frame, easy to its Fast Installation, during using adjustment, also gland is avoided to shift.
Preferably, the rubber sheet gasket between stent and valve body is further included, rubber sheet gasket is equipped with and mounting hole, adjustment
Hole, corresponding through hole of presenting a theatrical performance as the last item on a programme.Rubber sheet gasket can improve the leakproofness between stent, gland and valve body.
Preferably, the filler is equipped with an extrapolation spring；The sum of axial length of extrapolation spring and filler is less than filler
The axial length of room, it is ensured that the lower part of presenting a theatrical performance as the last item on a programme of gland is located in filler chamber, the adjustment of gland during being easy to use.
By using above-mentioned technical solution, the beneficial effects of the utility model are：The utility model one kind is used for butterfly valve
Packing seal structure, including filler chamber, filler, gland, spring and stent.Gland is hidden in ring support,
Increase leakproofness, prevent gland gets rusty from influencing its performance.Using gland, stent and corresponding fastener, can keep
Filler avoids medium between valve body and valve rod（Water, oil etc.）And spill valve exposed with filler.Found during use
Medium（Water, oil etc.）Leaking, operable adjustment valve rod, adjusting nut, make presenting a theatrical performance as the last item on a programme filler toward pushing in valve body for gland,
The sealing performance between valve body and valve rod is improved, medium is effectively solved and leaks phenomenon.And spring can keep overall tightness.
Brief description of the drawings
Fig. 1 is the structure top view of the utility model；
Fig. 2 is sectional view along AA in Fig. 1；
Fig. 3 is the structure diagram of gland；
Fig. 4 is the structure diagram of stent；
Fig. 5 is the structure diagram of rubber sheet gasket.
Main Reference Numerals explanation：（1st, valve body；11st, filler chamber；12nd, flange；13rd, mounting hole；14th, adjusting hole；2nd, fill out
Material；21st, extrapolation spring；3rd, gland；31st, valve rod hole；32nd, present a theatrical performance as the last item on a programme；4th, spring；5th, stent；51st, installation screw；6th, rubber
Gasket；61st, through hole；7th, valve control device；8th, valve rod；90th, adjustment screw；91st, standing screw component；92nd, adjusting nut）.
Embodiment
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
The direction term being previously mentioned in the utility model, such as：It is upper and lower, inside and outside etc., only it is reference explanation book attached drawing 1
Direction.Therefore, the direction term used is intended merely to illustrate, is not used for limiting the utility model.
As Figure 1-Figure 5, a kind of packing seal structure for butterfly valve of the utility model, including arranged on 1 upper end of valve body
The filler chamber 11 in portion, the filler 2 for being built in filler chamber 11, the gland 3 above valve body 1, spring 4 and stent 5, and
Rubber sheet gasket 6 between stent 5 and valve body 1.Using gland 3, stent 5 and corresponding fastener, filler 2 can be kept
Between valve body 1 and valve rod 8, medium is avoided（Water, oil etc.）And spill valve 1 exposed with filler 2.
The stent 5 is between valve body 1 and valve control device 7；Stent 5 is ring-shaped, and the inner side of stent 5 is uniformly provided with
Four installation screws 51.Installation screw 51 is arranged on the inner side of stent 5, makes the outside of stent 5 regular, while strengthen stent 5 and pacify with valve body 1
Fill stable connection.
The gland 3 is placed in stent 5, and valve rod hole 31 is equipped among gland 3；It is equipped among gland 3
It is downwardly projecting to present a theatrical performance as the last item on a programme 32；Gland 3 is hidden in ring support 5, increases leakproofness, prevents that gland 5 from getting rusty influence
Its performance.Present a theatrical performance as the last item on a programme and 32 be adapted with filler chamber 11, for by filler 2 toward 1 internal pressure of valve body；3 axial length of gland is less than branch
5 length of frame.The gland 3 is fusiform, and adjustment screw 90 is respectively and fixedly provided with below two long ends；Adjustment screw 90, which is located at, presents a theatrical performance as the last item on a programme
31 outsides；Two long ends of gland 3 are just respectively placed between installation screw 51.Gland 3 is stuck in stent 5, just
In its Fast Installation, during using adjustment, gland 3 is also avoided to shift.
The filler 2 is equipped with an extrapolation spring 21；The sum of axial length of extrapolation spring 21 and filler 2 is less than filler chamber
11 axial length, it is ensured that 32 lower parts of presenting a theatrical performance as the last item on a programme of gland 3 are located in filler chamber 11, gland 3 during being easy to use
Adjustment.
1 upper end of valve body is equipped with radially outer flange 12, flange 12 be equipped with respectively with installation screw 51, adjustment spiral shell
Bar 90 matches corresponding mounting hole 13, adjusting hole 14；It is fixedly connected between stent 5 and valve body 1 using standing screw component 91.Adjust
Whole screw rod 90 is set with adjusting hole 14, spring 4, and an adjusting nut 92 successively, is fixed on valve body 1.Spring 4 can keep overall close
Feng Xing.
Medium is found during use（Water, oil etc.）Leak, operable adjustment valve rod 90, adjusting nut 92, make filler
Presenting a theatrical performance as the last item on a programme for gland 3 32 pushes filler 2 toward in valve body 1, improves the sealing performance between valve body 1 and valve rod 8, effectively solves medium
Leak phenomenon.
Rubber sheet gasket 6 is equipped with and mounting hole 13, adjusting hole 14, valve rod 8,32, corresponding through hole 61 of presenting a theatrical performance as the last item on a programme.Rubber sheet gasket 6
The leakproofness between stent 5, gland 3 and valve body 1 can be improved.
It is above-described, it is only the preferred embodiment of the utility model, it is impossible to the scope of this practicality implementation is limited, it is all
It is the equivalent change and decoration made according to present utility model application the scope of the claims, should all still falls within the scope that the utility model is covered
It is interior.
Claims (4)
- A kind of 1. packing seal structure for butterfly valve, it is characterised in that：Including the filler chamber arranged on valve body upper end, it is built in The filler of filler chamber, the gland above valve body, spring and stent；The stent is ring-shaped, is equipped with the inside of stent Installation screw；The gland is placed in stent, and valve rod hole is equipped among gland；It is equipped among gland downwardly convex What is gone out presents a theatrical performance as the last item on a programme；Adjustment screw is fixed with below gland, adjustment screw is positioned at outside of presenting a theatrical performance as the last item on a programme；Present a theatrical performance as the last item on a programme and be adapted with filler chamber, For by filler toward valve body internal pressure；Gland axial length is less than stent length；The valve body upper end is equipped with radially outer Flange, flange be equipped with respectively with installation screw, the corresponding mounting hole of adjustment screw matching, adjusting hole；Between stent and valve body It is fixedly connected using standing screw component；Adjustment screw is set with adjusting hole, spring, and an adjusting nut successively, is fixed on valve Body.
- A kind of 2. packing seal structure for butterfly valve according to claim 1, it is characterised in that：The gland is Fusiform, is respectively and fixedly provided with adjustment screw below two long ends；Four installation screws are uniformly provided with the inside of the stent, gland Two long ends are just respectively placed between installation screw.
- A kind of 3. packing seal structure for butterfly valve according to claim 1, it is characterised in that：Further include and be located at stent Rubber sheet gasket between valve body, rubber sheet gasket are equipped with and mounting hole, adjusting hole, corresponding through hole of presenting a theatrical performance as the last item on a programme.
- A kind of 4. packing seal structure for butterfly valve according to claim 1, it is characterised in that：The filler is equipped with One extrapolation spring；The sum of axial length of extrapolation spring and filler is less than the axial length of filler chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720995573.1U CN207229784U (en) | 2017-08-10 | 2017-08-10 | A kind of packing seal structure for butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720995573.1U CN207229784U (en) | 2017-08-10 | 2017-08-10 | A kind of packing seal structure for butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229784U true CN207229784U (en) | 2018-04-13 |
Family
ID=61855661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720995573.1U Active CN207229784U (en) | 2017-08-10 | 2017-08-10 | A kind of packing seal structure for butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757989A (en) * | 2018-07-12 | 2018-11-06 | 上海核阀门股份有限公司 | A kind of diaphragm valve pre-tightening adjusting |
-
2017
- 2017-08-10 CN CN201720995573.1U patent/CN207229784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757989A (en) * | 2018-07-12 | 2018-11-06 | 上海核阀门股份有限公司 | A kind of diaphragm valve pre-tightening adjusting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107654692A (en) | A kind of ball valve | |
| CN205824317U (en) | A kind of gate valve | |
| CN207229784U (en) | A kind of packing seal structure for butterfly valve | |
| CN202252092U (en) | Ball valve provided with double radial bearing valve rod | |
| CN205534290U (en) | Reveal stop valve a little | |
| CN207195694U (en) | A kind of novel cutoff valve | |
| CN207539366U (en) | A kind of ball valve | |
| CN205678250U (en) | A kind of valve | |
| CN205639687U (en) | A rack and pinion formula corrugated pipe sealing device for ball valve | |
| CN2472014Y (en) | Stop valve | |
| CN207178725U (en) | A kind of stop valve leakage preventing mechanism for oil truck emergency cut-off | |
| CN206274080U (en) | A kind of novel cutoff valve | |
| CN205065092U (en) | Connection structure of air conditioner pipeline and condenser | |
| CN204533789U (en) | A kind of high temperature butterfly valve valve shaft seal | |
| CN201028111Y (en) | Non-leakage valve | |
| CN207486081U (en) | High temperature resistant ethylene propylene diene rubber dish valve | |
| CN204328006U (en) | A kind of pneumatic flange-type three butterfly valve partially | |
| CN206329748U (en) | A kind of new anti-leakage butterfly valve | |
| CN216923226U (en) | Zero-leakage butterfly valve | |
| CN209943555U (en) | Leakage-proof water valve | |
| CN212251328U (en) | Sealed combination formula valve convenient to maintenance | |
| CN216447284U (en) | Sealing device for fastening inner hexagonal socket head cap screw | |
| CN220488297U (en) | Leakage-proof structure of valve rod of electric valve | |
| CN207569230U (en) | A kind of low leakage cage type regulating valve of high temperature | |
| CN210218896U (en) | Needle valve cover sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |