CN106870747A - Replaceable sealed butterfly valve - Google Patents
Replaceable sealed butterfly valve Download PDFInfo
- Publication number
- CN106870747A CN106870747A CN201710196311.3A CN201710196311A CN106870747A CN 106870747 A CN106870747 A CN 106870747A CN 201710196311 A CN201710196311 A CN 201710196311A CN 106870747 A CN106870747 A CN 106870747A
- Authority
- CN
- China
- Prior art keywords
- valve barrel
- sealing strip
- groove
- pressing plate
- barrel
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of replaceable sealed butterfly valve, left valve barrel and right valve barrel including being fixed in one by circumferentially distributed some hollow arm-tie, the left valve barrel and the adjacent side composition of right valve barrel are through circumferential groove, the sealing strip being adapted to groove is provided with the groove, the inner ring of the sealing strip is inwardly projecting in left valve barrel and the passage of right valve barrel, and the peripheral surface of left valve barrel and right valve barrel passes through to be detachably connected and is fixed with some pressing plates for compressing the sealing strips.The valve body of conventional monolithic is improved to split-type structural by the present invention, and the groove for placing sealing strip is constituted by left valve barrel and right valve barrel, when needing to change after sealing strip is worn, is extracted sealing strip out by pulling down pressing plate.
Description
Technical field
The present invention relates to butterfly valve field, more particularly to a kind of replaceable sealed butterfly valve.
Background technology
Butterfly valve is rapid due to having the advantages that simple structure, conveniently opening and closing, is widely used in each industrial circle.Butterfly valve
Passage is generally pylindrical, and valve plate is provided with passage, and valve plate rotates around central shaft, realizes the opening of butterfly valve.
Because butterfly valve can wear and tear sealing strip in use, to ensure its sealing, it is necessary to change sealing strip, but
The butterfly valve applied at present needs to break valve body and each several part when sealing strip is changed, and not only wastes time and energy, and again
Easily there is leakage phenomenon after assembling.
The content of the invention
The present invention is in view of the shortcomings of the prior art, there is provided a kind of replaceable sealed butterfly valve, is convenient for changing sealing strip, improves dimension
Repair efficiency.
The present invention is achieved through the following technical solutions, there is provided a kind of replaceable sealed butterfly valve, including by circumferentially
The some hollow arm-tie of distribution is fixed in the left valve barrel and right valve barrel of one, the left valve barrel and the adjacent side composition of right valve barrel
Through circumferential groove, the sealing strip being adapted to groove is provided with the groove, the inner ring of the sealing strip is inwardly projecting in a left side
The peripheral surface of the passage of valve body and right valve barrel, left valve barrel and right valve barrel by be detachably connected be fixed with it is some compress it is described close
The pressing plate of strip of paper used for sealing.
The valve body of conventional monolithic is improved to split-type structural by this programme, is made up of left valve barrel and right valve barrel and is placed close
The groove of strip of paper used for sealing, when needing to change after sealing strip is worn, extracts sealing strip out by pulling down pressing plate.
Used as optimization, the channel section is trapezoidal, and groove is more than the opening towards inner side towards the opening in outside.This
Planting groove and setting makes sealing strip press tighter and tighter, it is ensured that good sealing.
Used as optimization, the pressing plate bottom surface is provided with the boss being adapted to the groove.Can make pressing plate not with left valve barrel
Sealing strip can be compressed when being contacted with right valve barrel, it is after sealing strip is by a small amount of abrasion, pressing plate is close up to being adjacent to valve body,
After sealing strip protrusion valve channel, remain to play sealing function, so as to extend the service life of sealing strip, utilization rate is significantly carried
It is high.
Used as optimization, the hollow arm-tie includes horizontal segment and is fixed in two vertical sections at the horizontal segment two ends, described
Two vertical sections are affixed with left valve barrel, right valve barrel respectively, and horizontal segment, two vertical sections and left valve barrel, the peripheral surface of right valve barrel are enclosed
Into the hollow channel that the pressing plate can be allowed to pass through.Be connected as a single entity for left and right valve body by this kind of structure of hollow arm-tie, in formation
This can pass through pressing plate for empty passage, continuously be set beneficial to each pressing plate, reach better seal effect.
Used as optimization, the extended line of each pressing plate is located on same sealing ring.It is easy to each pressing plate is formed continuous sealing
Ring, improves the reliability of sealing.
Preferably, the sealing strip is deformation adhesive tape, the medial surface of sealing strip is provided with through circumferential extruding groove.Sealing
After bar medial surface is worn, by adjusting thrust of the pressing plate to sealing strip, each extruding groove is produced deformation, reach sealing mesh
's.
As optimization, it is further opened with passing to the hole for injecting glue of the sealing strip on the pressing plate.When extruding groove produces deformation
When cannot meet seal request, by hole for injecting glue toward injecting glue in extruding groove, new adhesive tape sealing is formed.
Preferably, described be detachably connected as bolt connection.It is connected by screw bolts convenient disassembly, simple structure.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the structural representation of the embodiment of the present invention three；
Shown in figure：
1st, left valve barrel, 2, sealing strip, 3, pressing plate, 4, right valve barrel, 5, hollow arm-tie, 6, valve plate, 7, hole for injecting glue, 8, extruding groove, 9,
Sealing hole.
Specific embodiment
For the technical characterstic for illustrating this programme can be understood, below by specific embodiment, this programme is illustrated.
Embodiment one
A kind of replaceable sealed butterfly valve as shown in Figure 1, the valve body of the butterfly valve is divided into left valve barrel 1 and right valve barrel 4, left valve barrel 1 and the right side
Valve body 4 fixes as one by along its circumferentially distributed some hollow arm-tie 5.Hollow arm-tie 5 includes horizontal segment and is fixed in water
Two vertical sections at flat section two ends, two vertical sections are fixedly connected with left valve barrel, right valve barrel respectively, horizontal segment, two vertical sections and a left side
Valve body, the peripheral surface of right valve barrel surround the hollow channel that pressing plate can be allowed to pass through.The hollow channel not only connects beneficial to each pressing plate
It is continuous to set, better seal effect is reached, while being also convenient for the installation of pressing plate 3 and sealing strip 2.
Left valve barrel 1 and the adjacent side composition of right valve barrel 4 are through left valve barrel 1 and the groove of the circumference of right valve barrel 4, channel section
For trapezoidal, and groove towards outside opening more than the opening towards inner side.The sealing strip 2 being adapted to groove is provided with groove,
For convenience of installing, the sealing strip in the present embodiment is two semicircle parts, is penetrated from one end during installation.The inner ring of sealing strip 2
Inwardly projecting to be sealed with valve plate 6 in left valve barrel 1 and the passage of right valve barrel 4, the both sides of sealing strip 2 seal with left valve barrel, right valve barrel,
The peripheral surface of left valve barrel 1 and right valve barrel 4 is bolted the pressing plate 3 for being fixed with and compressing sealing strip 2, the extended line of each pressing plate
On same sealing ring.Preferably, the pressing plate 3 in this implementation is located between two adjacent hollow arm-ties 5, and per phase
A pressing plate 3 is equipped between two adjacent hollow arm-ties, pressing plate consumption can be saved on the premise of sealing is ensured.
The bottom surface of pressing plate 3 is provided with the boss being adapted to groove, after the sealing strip for more renewing, even if pressing plate not with left valve barrel and the right side
Valve body contact, can also compress to sealing strip, and during use, valve plate 6 can wear and tear sealing strip, and pressing plate is leaned on to valve body after abrasion
Closely until being adjacent to, sealing strip is extruded protrusion valve channel, remains to play sealing function, so as to extend the use longevity of sealing strip
Life, utilization rate is greatly improved.
The butterfly valve of the present embodiment realizes the replaceable of sealing, and when changing, without whole valve body is all torn open
Dissipate, each pressing plate need to only be pulled down, save replacing construction, improve maintenance efficiency.
Embodiment two
The present embodiment is that sealing strip 2 is deformation adhesive tape with the difference of embodiment one, and the medial surface of sealing strip was provided with through week
To extruding groove 8, be further opened with passing to the hole for injecting glue 7 of sealing strip on pressing plate 3.
After sealing strip medial surface is worn, by adjusting thrust of the pressing plate to sealing strip, each extruding groove is set to produce deformation,
Reach sealing purpose.If extruding groove generation deformation cannot also meet seal request, can be using aciculiform glue injection machine by note
Glue hole, to form new adhesive tape sealing, reaches sealing purpose through sealing strip toward injecting glue in extruding groove.
Embodiment three
The present embodiment is that the hole for injecting glue 7 for passing to sealing strip is offered on pressing plate 3 with the difference of embodiment, and each pressing plate 3 continuously sets
Put, form the sealing ring of closure, offered on the boss of pressing plate through the circumferential cell body of sealing ring, sealing strip 2 is placed in cell body,
Boss side surfaces offer the sealing hole 9 connected with hole for injecting glue 7.
This kind of structure makes the fixation of sealing strip 2 relatively reliable, and by hole for injecting glue toward internal injection glue, glue is full of sealing
Space between bar and cell body, and the gap between pressing plate and left valve barrel, right valve barrel is flow to by sealing hole, realize pressing plate and valve
The sealing of body, more preferably, service life is longer for sealing effectiveness.Depart from glue for convenience of valve plate, apply valve plate surface before injecting glue
Smear releasing agent.
It should be noted that it is circular situation that the butterfly valve of the application is not only adapted to valve body and passage, valve body is also applied for
And passage is rectangle or ellipse.
Certainly, described above is also not limited to the example above, technical characteristic of the present invention without description can by or
Realized using prior art, will not be repeated here；Above example and accompanying drawing are merely to illustrate technical scheme not
It is limitation of the present invention, reference has preferred embodiment been described in detail to the present invention, the ordinary skill people of this area
Member should be appreciated that change, remodeling, the addition that those skilled in the art are made in essential scope of the invention
Or replace without departure from spirit of the invention, should also belong to claims of the invention.
Claims (8)
1. a kind of replaceable sealed butterfly valve, it is characterised in that：Including by circumferentially distributed some hollow arm-tie（5）It is fixed in
The left valve barrel of one（1）And right valve barrel（4）, the left valve barrel（1）And right valve barrel（4）Adjacent side composition is through the recessed of circumference
Groove, is provided with the sealing strip being adapted to groove in the groove（2）, the sealing strip（2）Inner ring it is inwardly projecting in left valve barrel（1）
And right valve barrel（4）Passage, left valve barrel（1）And right valve barrel（4）Peripheral surface be fixed with some compressions by being detachably connected
The sealing strip（2）Pressing plate（3）.
2. replaceable sealed butterfly valve according to claim 1, it is characterised in that：The channel section is for trapezoidal, and groove
Opening towards outside is more than the opening towards inner side.
3. replaceable sealed butterfly valve according to claim 2, it is characterised in that：The pressing plate（3）Bottom surface be provided with it is described
The boss of groove adaptation.
4. replaceable sealed butterfly valve according to claim 1, it is characterised in that：The hollow arm-tie（5）Including horizontal segment
With two vertical sections for being fixed in the horizontal segment two ends, two vertical section is affixed with left valve barrel, right valve barrel respectively, horizontal segment,
Two vertical sections and left valve barrel, the peripheral surface of right valve barrel surround the hollow channel that the pressing plate can be allowed to pass through.
5. the replaceable sealed butterfly valve according to claim 1 or 4, it is characterised in that：The extended line of each pressing plate is located at
On same sealing ring.
6. replaceable sealed butterfly valve according to claim 1, it is characterised in that：The sealing strip is deformation adhesive tape, sealing
The medial surface of bar is provided with through circumferential extruding groove.
7. replaceable sealed butterfly valve according to claim 6, it is characterised in that：It is further opened with passing on the pressing plate described
The hole for injecting glue of sealing strip.
8. replaceable sealed butterfly valve according to claim 1, it is characterised in that：It is described to be detachably connected as bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196311.3A CN106870747A (en) | 2017-03-29 | 2017-03-29 | Replaceable sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196311.3A CN106870747A (en) | 2017-03-29 | 2017-03-29 | Replaceable sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870747A true CN106870747A (en) | 2017-06-20 |
Family
ID=59160561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710196311.3A Withdrawn CN106870747A (en) | 2017-03-29 | 2017-03-29 | Replaceable sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869764A (en) * | 2018-09-03 | 2018-11-23 | 唐工阀门集团有限公司 | A kind of high leakproofness butterfly valve |
-
2017
- 2017-03-29 CN CN201710196311.3A patent/CN106870747A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869764A (en) * | 2018-09-03 | 2018-11-23 | 唐工阀门集团有限公司 | A kind of high leakproofness butterfly valve |
| CN108869764B (en) * | 2018-09-03 | 2023-08-29 | 唐工阀门集团有限公司 | High leakproofness butterfly valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015024468A1 (en) | Self-sealing butterfly valve | |
| CN106870747A (en) | Replaceable sealed butterfly valve | |
| CN202040346U (en) | Sealing pair of eccentric flange butterfly valve | |
| CN206571996U (en) | Replaceable sealed butterfly valve | |
| CN201517576U (en) | Yaw brake | |
| CN202901675U (en) | Maintenance-free external pressure directly-buried expansion joint | |
| CN211082867U (en) | Pneumatic flap valve | |
| CN205151248U (en) | Utilize rotary feeder that air curtain is sealed | |
| CN201372955Y (en) | No-leakage double-filling sealing device with easy assembly and disassembly | |
| CN204664456U (en) | Pneumatic, Manual flashboard valve sealing means | |
| CN206001015U (en) | Controlled fluid contact sealing device | |
| CN203670845U (en) | Elastic self-sealing gate valve | |
| CN209385704U (en) | A kind of valve | |
| CN209191265U (en) | A kind of band oil sealing screw rod header structure | |
| CN210950408U (en) | Pipeline plugging device | |
| CN201448281U (en) | Water pump shaft seal end cover | |
| CN211527049U (en) | Quick-opening structure of discharging valve of oven | |
| CN204436865U (en) | A kind of high-efficiency and energy-saving type filling-material structure of centrifugal pump | |
| CN201896713U (en) | High-pressure liquid ammonia plunger pump | |
| CN202646136U (en) | Sealing structure for pump | |
| CN217081485U (en) | High-pressure gas seal valve | |
| CN210113426U (en) | Butterfly valve convenient to dismouting | |
| CN204552764U (en) | A kind of vane type wet-spraying machine cavity both sides sealing structure | |
| CN201897001U (en) | Valve shaft sealing structure | |
| CN211897706U (en) | Asphalt mixture hot mix plant recycling anti-sticking roller sealing structure and recycling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170620 |