CN205745531U - A kind of three eccentric metal hard sealed butterfly damper - Google Patents
A kind of three eccentric metal hard sealed butterfly damper Download PDFInfo
- Publication number
- CN205745531U CN205745531U CN201620600643.4U CN201620600643U CN205745531U CN 205745531 U CN205745531 U CN 205745531U CN 201620600643 U CN201620600643 U CN 201620600643U CN 205745531 U CN205745531 U CN 205745531U
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- China
- Prior art keywords
- maintenance
- valve body
- metal hard
- eccentric metal
- butterfly damper
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Abstract
This utility model provides a kind of three eccentric metal hard sealed butterfly damper, belongs to field of mechanical technique.The problem it solving the maintenance inconvenience of existing three eccentric metal hard sealed butterfly damper.This three eccentric metal hard sealed butterfly damper, the valve body of water inlet and outlet it is respectively including two ends, multilamellar soft stacked sealing ring it is provided with in valve body, water inlet and outlet are used to be connected with pipeline, being additionally provided with tubular maintenance body on the sidewall of valve body, maintenance body one end is closed, the other end be connected on the sidewall of valve body and with the inner space of valve body, it is further opened with access hole on maintenance body, at access hole, is additionally provided with the maintenance door that can open or close access hole.This three eccentric metal hard sealed butterfly damper by arranging a maintenance body in valve body downstream, and access hole and maintenance door are set on maintenance body, avoid the defects such as welding deformation, the leakage opening manhole access door on pipeline and cause, easy access, reduce the time between overhauls(TBO), there is good economic benefit and social benefit.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to a kind of three eccentric metal hard sealed butterfly damper.
Background technology
Butterfly valve is used for realizing the parts of pipe-line system break-make and flow-control as a kind of, oil, chemical industry, metallurgy,
Water power etc. obtain applying in many fields extremely widely.In known butterfly valve technology, use of its seal form seals more
Structure, encapsulant is rubber, politef etc..Due to the restriction of architectural feature, it is not suitable with high temperature resistant, high pressure and corrosion resistant
Erosion, the industry such as wear-resistant.Existing a kind of more advanced butterfly valve is three eccentric metal hard sealed butterfly damper, and valve body and valve seat are disjunctor
Component, valve seat sealing surface layer stack weldering heatproof, corrosion resistant alloy material.Multilamellar soft stacked sealing ring is fixed on valve plate, this butterfly
Valve has high temperature resistant compared with tradition butterfly valve, operates light, opens and closes without friction, increases along with the moment of drive mechanism during closedown
Compensation sealing, the sealing property that improve butterfly valve and the advantage increased the service life.
Existing three eccentric metal hard sealed butterfly damper in use yet suffers from problems with: owing to multilamellar soft or hard is folded
Formula sealing ring is fixed on valve plate, and when valve plate normally open, its sealing surface formation front is washed away, in sheet metal interlayer by medium
Soft seal band washed away after, directly affect sealing property.And sealing ring inconvenience is changed at scene, need valve to tear open from pipeline
Can overhaul after unloading, maintenance inconvenience, the cycle is long, and impact produces.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that a kind of three eccentric metal hard is close
Sealing butterfly valve, technical problem to be solved in the utility model is: how to improve the convenience of maintenance.
The purpose of this utility model can be realized by following technical proposal: a kind of three eccentric metal hard sealed butterfly damper, bag
Including two ends and be respectively the valve body of water inlet and outlet, be provided with multilamellar soft stacked sealing ring in valve body, water inlet and outlet are equal
For being connected with pipeline, it is characterised in that be additionally provided with tubular maintenance body, described maintenance body one end on the sidewall of described valve body
Close, the other end be connected on the sidewall of valve body and with the inner space of valve body, described maintenance body is further opened with access hole, institute
State and at access hole, be additionally provided with the maintenance door that can open or close access hole.
This three eccentric metal hard sealed butterfly damper, by arranging tubular maintenance body on the sidewall of valve body, maintenance body is opened
Being provided with access hole and be provided with maintenance door, when butterfly valve normally uses, maintenance door is closed, and does not affect normal operation, when needing
Time to be overhauled, butterfly valve quits work, and opens maintenance door, and maintainer can rush internal the carrying out of entrance maintenance in access hole and overhaul dimension
Protect, it is simple to maintenance, reduce time between overhauls(TBO), beneficially onsite application, there is good economic benefit and social benefit, simultaneously, it is to avoid
The defects such as welding deformation, leakage that manhole access door causes are opened on pipeline.
In above-mentioned three eccentric metal hard sealed butterfly damper, described maintenance body has the tubular installation portion of protrusion, described
Access hole is opened on installation portion, and the port of described installation portion is provided with manhole blind plate, and described maintenance body is provided with two protrusions
Installation arm, two install arm relative spacings is arranged, and described maintenance door is provided with the linking arm of two protrusions relatively, described linking arm with
Installing between arm hinged by rotating shaft, maintenance door can be abutted on manhole blind plate by swing.Maintenance door by linking arm and
Installation arm is hinged, and switchs more convenient, and can the amplitude-controllable of folding, further increase the convenience of maintenance.
In above-mentioned three eccentric metal hard sealed butterfly damper, being additionally provided with between described maintenance door and manhole blind plate can be by two
The fixture that person fixes.When butterfly valve normally uses, maintenance door is fixed by fixture with manhole blind plate, and maintenance door is in closedown shape
State, when needing maintenance, pulls down fixture, opens maintenance door and can enter and overhaul, improves the convenience of maintenance.
In above-mentioned three eccentric metal hard sealed butterfly damper, described installation portion is arranged on maintenance body one end end away from valve body
On face.Access hole is positioned at the end face of maintenance body, facilitates personnel to come in and go out, and can make on request, also can be again during in-site installation
Adjust, flexibly and easily.
In above-mentioned three eccentric metal hard sealed butterfly damper, described installation portion is arranged on the sidewall of maintenance body.Manhole is examined
Repair door and be positioned at the side of maintenance body, facilitate personnel to come in and go out, and can make on request, also can readjust during in-site installation, spirit
Live convenient.
In above-mentioned three eccentric metal hard sealed butterfly damper, described maintenance body and valve body are integral type structure.Simple in construction,
Easy to process.
In above-mentioned three eccentric metal hard sealed butterfly damper, described valve body has connecting plate one, described maintenance body has
Connecting plate two, described connecting plate one and connecting plate two is had to be bolted.
Compared with prior art, this three eccentric metal hard sealed butterfly damper has the advantage that 1, by valve downstream
The structure of one maintenance body is set, and access hole and maintenance door are set on maintenance body, it is to avoid on pipeline, open manhole inspection
Repair the defects such as welding deformation, leakage that door causes, it is simple to maintenance, reduce time between overhauls(TBO), beneficially onsite application, there is good warp
Ji benefit and social benefit.2, manhole access door is on the side or on end face, can make on request, and can weigh during in-site installation
New adjustment, flexibly and easily.
Accompanying drawing explanation
Fig. 1 is this three eccentric metal hard sealed butterfly damper front view.
Fig. 2 is this three eccentric metal hard sealed butterfly damper top view.
In figure, 1, valve body；11, water inlet；12, outlet；13, connecting plate one；2, maintenance body；21, installation portion；22, inspection
Repair mouth；23, arm is installed；24, connecting plate two；3, maintenance door；31, linking arm；4, manhole blind plate；5, rotating shaft.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As shown in Figure 1-2, this three eccentric metal hard sealed butterfly damper, it is respectively water inlet 11 and outlet 12 including two ends
Valve body 1, is provided with multilamellar soft stacked sealing ring in valve body 1, water inlet 11 and outlet 12 are used to be connected with pipeline.Valve body 1
Being additionally provided with tubular maintenance body 2 on sidewall, maintenance body 2 one end is closed, and the other end is connected on the sidewall of valve body 1 and and valve body
The inner space of 1, maintenance body 2 is further opened with access hole 22, is additionally provided with and can opens or close access hole at access hole 22
The maintenance door 3 of 22, when normally using, maintenance door 3 is closed, and does not affect normal operation, and when needs overhaul, butterfly valve stops
Only work, opens maintenance door 3, and maintainer can rush in entering maintenance body 2 in access hole 22 and carry out repair and maintenance, it is simple to inspection
Repair, reduce time between overhauls(TBO), beneficially onsite application, there is good economic benefit and social benefit, simultaneously, it is to avoid on pipeline
The defects such as welding deformation, the leakage that manhole access door 3 causes are opened in face.
Specifically, maintenance body 2 having the tubular installation portion 21 of protrusion, access hole 22 is opened on installation portion 21, peace
The port in dress portion 21 is provided with manhole blind plate 4, and maintenance body 2 is provided with two installation arms 23 protruded, between two installation arms 23 are relative
The linking arm 31 of two protrusions relatively it is provided with in setting, maintenance door 3, hinged by rotating shaft 5 between linking arm 31 and installation arm 23,
Maintenance door 3 can be abutted on manhole blind plate 4 by swing.Being additionally provided with between maintenance door 3 and manhole blind plate 4 can be solid by both
Fixed fixture, fixture can be bolt, buckle or door lock etc..
Installation portion 21 is arranged on the sidewall of maintenance body 2, and maintenance door 3 is positioned at the side of maintenance body 2, facilitates personnel to come in and go out,
And can make on request, also can readjust during in-site installation, installation portion 21 is arranged on maintenance body 2 away from the one of valve body 1
On end end face, flexibly and easily.There is on valve body 1 connecting plate 1, maintenance body 2 has connecting plate 2 24, connecting plate 1 He
Connecting plate 2 24 is bolted.Certainly, maintenance body 2 and valve body 1 can also be integral type structure, simple in construction, processing side
Just.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (7)
1. a three eccentric metal hard sealed butterfly damper, is respectively the valve body (1) of water inlet (11) and outlet (12) including two ends,
Being provided with multilamellar soft stacked sealing ring, water inlet (11) and outlet (12) in valve body (1) to be used to be connected with pipeline, its feature exists
In, the sidewall of described valve body (1) is additionally provided with tubular maintenance body (2), described maintenance body (2) one end is closed, and the other end is even
Be connected on the sidewall of valve body (1) and with the inner space of valve body (1), described maintenance body (2) is further opened with access hole (22), institute
State access hole (22) place and be additionally provided with the maintenance door (3) that can open or close access hole (22).
A kind of three eccentric metal hard sealed butterfly damper the most according to claim 1, it is characterised in that on described maintenance body (2)
Having the tubular installation portion (21) of protrusion, described access hole (22) is opened on installation portion (21), the end of described installation portion (21)
Being provided with manhole blind plate (4) at Kou, described maintenance body (2) is provided with two installation arms (23) protruded, and two install arm (23) relatively
Interval is arranged, and described maintenance door (3) is provided with the linking arm (31) of two protrusions, described linking arm (31) and installation arm (23) relatively
Between hinged by rotating shaft (5), maintenance door (3) can be abutted on manhole blind plate (4) by swing.
A kind of three eccentric metal hard sealed butterfly damper the most according to claim 2, it is characterised in that described maintenance door (3) with
The fixture both can fixed it is additionally provided with between manhole blind plate (4).
4. according to a kind of three eccentric metal hard sealed butterfly damper described in Claims 2 or 3, it is characterised in that described installation portion
(21) it is arranged on maintenance body (2) one end end face away from valve body (1).
5. according to a kind of three eccentric metal hard sealed butterfly damper described in Claims 2 or 3, it is characterised in that described installation portion
(21) it is arranged on the sidewall of maintenance body (2).
6. according to a kind of three eccentric metal hard sealed butterfly damper described in claim 1 or 2 or 3, it is characterised in that described maintenance body
(2) with valve body (1) be integral type structure.
7. according to a kind of three eccentric metal hard sealed butterfly damper described in claim 1 or 2 or 3, it is characterised in that described valve body
(1) there is on connecting plate one (13), described maintenance body (2) has connecting plate two (24), described connecting plate one (13) and connection
Plate two (24) is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620600643.4U CN205745531U (en) | 2016-06-16 | 2016-06-16 | A kind of three eccentric metal hard sealed butterfly damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620600643.4U CN205745531U (en) | 2016-06-16 | 2016-06-16 | A kind of three eccentric metal hard sealed butterfly damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745531U true CN205745531U (en) | 2016-11-30 |
Family
ID=57386677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620600643.4U Expired - Fee Related CN205745531U (en) | 2016-06-16 | 2016-06-16 | A kind of three eccentric metal hard sealed butterfly damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110204A1 (en) | 2019-12-03 | 2021-06-10 | Leusch GmbH | Shut-off unit for industrial valves |
-
2016
- 2016-06-16 CN CN201620600643.4U patent/CN205745531U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110204A1 (en) | 2019-12-03 | 2021-06-10 | Leusch GmbH | Shut-off unit for industrial valves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |