CN105221766B - A kind of butterfly valve with hydraulic sealing structure - Google Patents
A kind of butterfly valve with hydraulic sealing structure Download PDFInfo
- Publication number
- CN105221766B CN105221766B CN201510755607.5A CN201510755607A CN105221766B CN 105221766 B CN105221766 B CN 105221766B CN 201510755607 A CN201510755607 A CN 201510755607A CN 105221766 B CN105221766 B CN 105221766B
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- CN
- China
- Prior art keywords
- valve rod
- butterfly
- butterfly plate
- valve
- petroleum pipeline
- 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.)
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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
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
-
- 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
- F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Valve Housings (AREA)
Abstract
The present invention relates to butterfly valve technical field, more particularly to a kind of butterfly valve with hydraulic sealing structure, the inwall of valve body is provided with the seal convexity coordinated with butterfly plate edge seal；The central part of butterfly plate is provided with hydraulic drive mechanism；The bilateral symmetry of butterfly plate is provided with chute；The sealing sliding block being connected with hydraulic drive mechanism is mounted in chute；Seal convexity is provided with the seal groove coordinated with sealing sliding block.Seal convexity in the present invention in valve body is provided with the seal groove coordinated with the sealing sliding block, and the central part of butterfly version is provided with the hydraulic drive mechanism for driving sealing sliding block to slide, and sealing sliding block is slid in and out the sealing for being inserted into seal groove and realizing valve body.The profile of butterfly plate and seal convexity using the butterfly valve of the hydraulic sealing structure can direct casting, it is not necessary to is machined out, while package encapsulation effect, greatly reduces the accuracy of manufacture requirement of butterfly valve.
Description
Technical field
The present invention relates to butterfly valve technical field, more particularly to a kind of butterfly valve with hydraulic sealing structure.
Background technology
The sealing of traditional butterfly valve is realized mainly by sealing contact between the projection on butterfly plate and valve interior wall.In order to protect
Card sealing effectiveness, the requirement on machining accuracy of the contour line contacted between butterfly plate and projection is high.And process when long-term
In, butterfly plate causes abrasion and produces gap with raised generation friction, influences sealing effectiveness, and then cause butterfly valve to be scrapped.Therefore need
The sealing structure of traditional butterfly valve is improved, to improve sealing effectiveness, extend the service life of butterfly valve.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of butterfly valve with hydraulic sealing structure, butterfly
The both wings of plate are mounted on sealing sliding block, and the seal convexity in valve body is provided with the seal groove coordinated with the sealing sliding block, in butterfly version
Central part be provided with for drive sealing sliding block slide hydraulic drive mechanism, slide in and out sealing sliding block and be inserted into sealing
The sealing of valve body is realized in groove.Can directly be cast using the butterfly plate of the butterfly valve of the hydraulic sealing structure and the profile of seal convexity
Shaping, it is not necessary to be machined out, while package encapsulation effect, greatly reduces the accuracy of manufacture requirement of butterfly valve.
To solve the above problems, the present invention provides following technical scheme：
A kind of butterfly valve with hydraulic sealing structure, including valve body, valve element, headstock gear and oil feed pump；The valve element bag
Include butterfly plate, upper valve rod and lower valve rod；The valve body is provided with upper valve rod fixed cover and lower valve rod fixed cover；The upper valve rod passes through axle
In upper valve rod fixed cover, by bearing holder (housing, cover) in lower valve rod fixed cover, the inwall of the valve body is provided with lower valve rod bearing sleeve
The seal convexity coordinated with butterfly plate edge seal；The central part of the butterfly plate is provided with hydraulic drive mechanism；The both wings of the butterfly plate
It is arranged with chute；The sealing sliding block being connected with hydraulic drive mechanism is mounted in the chute；The seal convexity is provided with
The seal groove coordinated with sealing sliding block.
Further, the central part of the butterfly plate is provided with hydraulic cavities and closure；The closure is installed on by bolt
On butterfly plate；The hydraulic drive mechanism includes right baffle-plate, right shell body, the first petroleum pipeline, the second petroleum pipeline and the 3rd petroleum pipeline；Institute
State right baffle-plate and right shell body is installed in hydraulic cavities and is divided into left chamber, right chamber room and intermediate cavity；The left chamber
By the first petroleum pipeline and butterfly plate ft connection, right chamber room is passed through by the 3rd petroleum pipeline and butterfly plate ft connection, intermediate cavity
Second petroleum pipeline and butterfly plate ft connection；The sealing sliding block is equipped with the connecting rod extended in hydraulic cavities；The right baffle-plate and
Right shell body is connected by bolt with the connecting rod on a sealing sliding block.
Further, the upper valve rod is provided with three through holes along its direction of axis line；The butterfly plate also is provided with three and leads to
Hole；First petroleum pipeline, the second petroleum pipeline and the 3rd petroleum pipeline both pass through the through hole of butterfly plate and upper valve rod and connect with oil feed pump
Connect.
Further, the output end of the oil feed pump is provided with solenoid directional control valve；First petroleum pipeline and the 3rd oil transportation
It is connected with oil feed pump by solenoid directional control valve after pipe parallel connection；Second petroleum pipeline is connected by solenoid directional control valve with oil feed pump.
Further, the upper end of the butterfly plate is provided with upper valve rod mounting hole；The lower end of the butterfly plate is provided with lower valve rod installation
Hole；The upper valve rod mounting hole and lower valve rod mounting hole are rectangular opening；The upper valve rod is provided with and is sheathed on upper valve rod mounting hole
Interior lower connecting portion；The lower valve rod is provided with the upper connecting portion being sheathed in lower valve rod mounting hole；The upper connecting portion and lower company
Socket part is rectangular configuration.
Beneficial effect：A kind of butterfly valve with hydraulic sealing structure of the invention, the both wings of butterfly plate are mounted on sealing and slide
Block, the seal convexity in valve body is provided with the seal groove coordinated with the sealing sliding block, is provided with for driving in the central part of butterfly version
The hydraulic drive mechanism that sealing sliding block is slided, makes sealing sliding block slide in and out the sealing for being inserted into seal groove and realizing valve body.Adopt
Can direct casting with the profile of the butterfly plate of the butterfly valve of the hydraulic sealing structure and seal convexity, it is not necessary to which the machine of carrying out adds
Work, while package encapsulation effect, greatly reduces the accuracy of manufacture requirement of butterfly valve.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of invention；
Fig. 2 is decomposition texture schematic diagram of the invention；
Fig. 3 is the perspective cross-sectional structural representation of the valve body in the present invention；
Fig. 4 is the enlarged diagram at A in Fig. 3；
Fig. 5 is the decomposition texture schematic diagram of the butterfly plate in the present invention；
Fig. 6 is the enlarged diagram at B in Fig. 5；
Description of reference numerals：Valve body 1, upper valve rod fixed cover 1a, lower valve rod fixed cover 1b, seal convexity 1c, seal groove 1d,
Butterfly plate 2, chute 2a, upper valve rod 3, lower connecting portion 3a, lower valve rod 4, upper connecting portion 4a, sealing sliding block 5, connecting rod 5a, closure 6,
Right baffle-plate 7, right shell body 8, the first petroleum pipeline 9, the second petroleum pipeline 10, the 3rd petroleum pipeline 11.
Specific embodiment
With reference to Figure of description and embodiment, specific embodiment of the invention is described in further detail：
Referring to figs. 1 to a kind of butterfly valve with hydraulic sealing structure shown in Fig. 6, including valve body 1, valve element, headstock gear
And oil feed pump；The valve element includes butterfly plate 2, upper valve rod 3 and lower valve rod 4；The valve body 1 is provided with the fixed cover 1a of upper valve rod 3 with
The fixed cover 1b of valve rod 4；By bearing holder (housing, cover) in upper valve rod fixed cover 1a, lower valve rod 4 is located at the upper valve rod 3 by bearing holder (housing, cover)
In lower valve rod fixed cover 1a, the inwall of the valve body 1 is provided with the seal convexity 1c coordinated with the edge seal of butterfly plate 2；The butterfly plate 2
Central part be provided with hydraulic drive mechanism；The bilateral symmetry of the butterfly plate 2 is provided with chute 2a；Be mounted in the chute 2a with
The sealing sliding block 5 of hydraulic drive mechanism connection；The seal convexity 1c is provided with the seal groove 1d coordinated with sealing sliding block 5.
The central part of the butterfly plate 2 is provided with hydraulic cavities and closure 6；The closure 6 is installed on butterfly plate 2 by bolt
On；The hydraulic drive mechanism includes right baffle-plate 7, right shell body 8, the first petroleum pipeline 9, the second petroleum pipeline 10 and the 3rd petroleum pipeline
11；The right baffle-plate 7 and right shell body 8 are installed in hydraulic cavities and are divided into left chamber, right chamber room and intermediate cavity；It is described
By the first petroleum pipeline 9 and the ft connection of butterfly plate 2, right chamber room passes through the 3rd petroleum pipeline 11 and the ft connection of butterfly plate 2 for left chamber, in
Between chamber by the second petroleum pipeline 10 and the ft connection of butterfly plate 2；The sealing sliding block 5 is equipped with the connecting rod extended in hydraulic cavities
5a；The right baffle-plate 7 and right shell body 8 are connected by bolt with the connecting rod 5a on a sealing sliding block 5.
The upper valve rod 3 is provided with three through holes along its direction of axis line；The butterfly plate 2 also is provided with three through holes；It is described
First petroleum pipeline 9, the second petroleum pipeline 10 and the 3rd petroleum pipeline 11 both pass through the through hole of butterfly plate 2 and upper valve rod 3 and connect with oil feed pump
Connect.
The output end of the oil feed pump is provided with solenoid directional control valve；First petroleum pipeline 9 and the 3rd petroleum pipeline 11 are in parallel
It is connected with oil feed pump by solenoid directional control valve afterwards；Second petroleum pipeline 10 is connected by solenoid directional control valve with oil feed pump.
The upper end of the butterfly plate 2 is provided with upper valve rod mounting hole；The lower end of the butterfly plate 2 is provided with lower valve rod mounting hole；It is described
Upper valve rod mounting hole and lower valve rod mounting hole are rectangular opening；The upper valve rod 3 is provided with being sheathed in upper valve rod mounting hole
Connecting portion 3a；The lower valve rod 4 is provided with the upper connecting portion 4a being sheathed in lower valve rod mounting hole；The upper connecting portion 4a and lower company
Socket part 3a is rectangular configuration.
A kind of butterfly valve with hydraulic sealing structure of the invention, the both wings of butterfly plate 2 are mounted on sealing sliding block 5, valve body 1
Interior seal convexity 1c is provided with the seal groove 1d coordinated with the sealing sliding block 5, is provided with the central part of butterfly version close for driving
The hydraulic drive mechanism that envelope sliding block 5 is slided, makes sealing sliding block 5 slide in and out the sealing for being inserted into seal groove 1d and realizing valve body 1.
The profile of butterfly plate 2 and seal convexity 1c using the butterfly valve of the hydraulic sealing structure can direct casting, it is not necessary to carry out
Machining, while package encapsulation effect, greatly reduces the accuracy of manufacture requirement of butterfly valve.
Needs are said, after butterfly plate 2 is in the working position that the driving lower rotary shaft of headstock gear is closed to butterfly valve, electromagnetic switch
Valve events, make the road of the second petroleum pipeline 10 be connected with oil supply pipe, the road of the first petroleum pipeline 9 and the road of the 3rd petroleum pipeline 11 parallel connection after with return
Oil-piping is connected, and hydraulic oil is now passed through in intermediate cavity to be made right baffle-plate 7 and right shell body 8 respectively to two lateral movements and compress respectively
Left chamber and right chamber room, the hydraulic oil in room left chamber and right chamber room are back in oil feed pump by oil returning tube, at the same time
Two sealing sliding blocks 5 are pushed out and are inserted into seal groove 1d to both sides.
The sealing of valve body 1 is engaged by sealing sliding block 5 and realizes with seal groove 1d in the present invention, therefore butterfly plate 2 and sealing
Need not be contacted between raised 1c.So machining accuracy that need not be too high in the manufacture of butterfly plate 2 and valve body 1.Closed in butterfly valve
Under closed state, gap is left between butterfly plate 2 and seal convexity 1c.
The above, is only presently preferred embodiments of the present invention, not makes any limit to technical scope of the invention
System, therefore every any trickle amendment, equivalent variations and modification made to above example according to technical spirit of the invention,
Still fall within the range of technical scheme.
Claims (4)
1. a kind of butterfly valve with hydraulic sealing structure, including valve body（1）, valve element, headstock gear and oil feed pump；The valve element bag
Include butterfly plate（2）, upper valve rod（3）And lower valve rod（4）；The valve body（1）It is provided with upper valve rod fixed cover（1a）With lower valve rod fixed cover
（1b）；The upper valve rod（3）Upper valve rod fixed cover is located at by bearing holder (housing, cover)（1a）It is interior, lower valve rod（4）It is located at down by bearing holder (housing, cover)
Valve rod fixed cover（1b）It is interior, it is characterised in that：The valve body（1）Inwall be provided with and butterfly plate（2）The sealing that edge seal coordinates
It is raised（1c）；The butterfly plate（2）Central part be provided with hydraulic drive mechanism；The butterfly plate（2）Bilateral symmetry be provided with chute
（2a）；The chute（2a）Inside it is mounted on the sealing sliding block being connected with hydraulic drive mechanism（5）；The seal convexity（1c）If
Have and sealing sliding block（5）The seal groove of cooperation（1d）；The butterfly plate（2）Central part be provided with hydraulic cavities and closure（6）；It is described
Closure（6）Butterfly plate is installed on by bolt（2）On；The hydraulic drive mechanism includes right baffle-plate（7）, right shell body（8）, first
Petroleum pipeline（9）, the second petroleum pipeline（10）With the 3rd petroleum pipeline（11）；The right baffle-plate（7）And right shell body（8）It is installed on hydraulic cavities
It is interior and be divided into left chamber, right chamber room and intermediate cavity；The left chamber passes through the first petroleum pipeline（9）With butterfly plate（2）Outward
Portion connects, and right chamber room passes through the 3rd petroleum pipeline（11）With butterfly plate（2）Ft connection, intermediate cavity passes through the second petroleum pipeline（10）With
Butterfly plate（2）Ft connection；The sealing sliding block（5）It is equipped with the connecting rod extended in hydraulic cavities（5a）；The right baffle-plate（7）With
Right shell body（8）By bolt and a sealing sliding block（5）On connecting rod（5a）Connection.
2. a kind of butterfly valve with hydraulic sealing structure according to claim 1, it is characterised in that：The upper valve rod（3）
It is provided with three through holes along its direction of axis line；The butterfly plate（2）It also is provided with three through holes；First petroleum pipeline（9）, second
Petroleum pipeline（10）With the 3rd petroleum pipeline（11）Both pass through butterfly plate（2）And upper valve rod（3）Through hole and be connected with oil feed pump.
3. a kind of butterfly valve with hydraulic sealing structure according to claim 2, it is characterised in that：The oil feed pump it is defeated
Go out end and solenoid directional control valve is installed；First petroleum pipeline（9）With the 3rd petroleum pipeline（11）After parallel connection by solenoid directional control valve with
Oil feed pump is connected；Second petroleum pipeline（10）It is connected with oil feed pump by solenoid directional control valve.
4. a kind of butterfly valve with hydraulic sealing structure according to claim 1, it is characterised in that：The butterfly plate（2）'s
Upper end is provided with upper valve rod mounting hole；The butterfly plate（2）Lower end be provided with lower valve rod mounting hole；The upper valve rod mounting hole and lower valve
Bar mounting hole is rectangular opening；The upper valve rod（3）It is provided with the lower connecting portion being sheathed in upper valve rod mounting hole（3a）；Under described
Valve rod（4）It is provided with the upper connecting portion being sheathed in lower valve rod mounting hole（4a）；The upper connecting portion（4a）With lower connecting portion（3a）
It is rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755607.5A CN105221766B (en) | 2015-11-09 | 2015-11-09 | A kind of butterfly valve with hydraulic sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755607.5A CN105221766B (en) | 2015-11-09 | 2015-11-09 | A kind of butterfly valve with hydraulic sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221766A CN105221766A (en) | 2016-01-06 |
| CN105221766B true CN105221766B (en) | 2017-06-23 |
Family
ID=54990904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510755607.5A Active CN105221766B (en) | 2015-11-09 | 2015-11-09 | A kind of butterfly valve with hydraulic sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105221766B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58149474A (en) * | 1982-02-27 | 1983-09-05 | Tomoe Gijutsu Kenkyusho:Kk | Sealing mechanism for eccentric-type butterfly valve |
| CN2851749Y (en) * | 2005-09-30 | 2006-12-27 | 刘工勤 | Seal arrangement of butterfly valve |
| CN101162052A (en) * | 2007-11-23 | 2008-04-16 | 河北工业大学 | Non-abrasion hard-sealing butterfly valve |
| CN102691802A (en) * | 2012-06-11 | 2012-09-26 | 格朗富（苏州）集团有限公司 | Processing method of butterfly valve sealing mechanism |
| CN104295754A (en) * | 2014-09-09 | 2015-01-21 | 江苏远望仪器有限公司 | Butterfly valve with hydraulic seal structure |
| CN204459195U (en) * | 2014-11-27 | 2015-07-08 | 上海冠龙阀门机械有限公司 | The hard seal butterfly valve that a kind of Double-clack is board-like |
-
2015
- 2015-11-09 CN CN201510755607.5A patent/CN105221766B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58149474A (en) * | 1982-02-27 | 1983-09-05 | Tomoe Gijutsu Kenkyusho:Kk | Sealing mechanism for eccentric-type butterfly valve |
| CN2851749Y (en) * | 2005-09-30 | 2006-12-27 | 刘工勤 | Seal arrangement of butterfly valve |
| CN101162052A (en) * | 2007-11-23 | 2008-04-16 | 河北工业大学 | Non-abrasion hard-sealing butterfly valve |
| CN102691802A (en) * | 2012-06-11 | 2012-09-26 | 格朗富（苏州）集团有限公司 | Processing method of butterfly valve sealing mechanism |
| CN104295754A (en) * | 2014-09-09 | 2015-01-21 | 江苏远望仪器有限公司 | Butterfly valve with hydraulic seal structure |
| CN204459195U (en) * | 2014-11-27 | 2015-07-08 | 上海冠龙阀门机械有限公司 | The hard seal butterfly valve that a kind of Double-clack is board-like |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105221766A (en) | 2016-01-06 |
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Denomination of invention: A butterfly valve with hydraulic sealing structure Effective date of registration: 20220719 Granted publication date: 20170623 Pledgee: Bank of Communications Co.,Ltd. Ningbo Fenghua sub branch Pledgor: NINGBO VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022330001279 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230518 Granted publication date: 20170623 Pledgee: Bank of Communications Co.,Ltd. Ningbo Fenghua sub branch Pledgor: NINGBO VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022330001279 |