CN106594303B - Butterfly valve - Google Patents
Butterfly valve Download PDFInfo
- Publication number
- CN106594303B CN106594303B CN201610248299.1A CN201610248299A CN106594303B CN 106594303 B CN106594303 B CN 106594303B CN 201610248299 A CN201610248299 A CN 201610248299A CN 106594303 B CN106594303 B CN 106594303B
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- China
- Prior art keywords
- gear
- valve rod
- box
- sector gear
- 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.)
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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
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The present invention relates to a kind of butterfly valves, including：Valve body (100) with gear-box (120)；It is opened and closed the disk (200) of pipeline (101)；From disk (200) to the Inner elongate of gear-box (120), make the valve rod (300) of disk (200) rotation；It is mounted on the screw shaft (400) of gear-box (120)；As the rotation of screw shaft (400) is moved forward and backward, and the sector gear (500) of the combination protrusion (510) of formation and valve rod (300) parallel projections.Butterfly valve of the invention, which is easily assembled to move along a straight line, becomes the rotating arm of rotary motion, prevents maloperation, and the power that dispersion occurs when rotating is applicable to major valve.
Description
Technical field
The present invention relates to one kind to have on various pipelines, and the butterfly valve that can be opened and closed oil body flowing is especially easy to group
Linear motion is become the rotating arm of rotary motion by dress, prevents maloperation, and the power that dispersion occurs when rotating is applicable to major valve
Butterfly valve.
Background technique
In general, the composition of butterfly valve is that both ends combine piping, and the inside that inside forms the valve body of pipeline is equipped with disk.From
Outer elongate from the disk to the valve body valve rod, the disc spins, and open and close valve can be made.Fig. 1 is the applicant's application
The figure of butterfly valve.The butterfly valve of conventional art as shown in Figure 1, including：Inside forms pipeline 18, has gear-box 12 on one side
Valve body 14；Configure the disk 16 inside the pipeline 18；From the disk 16 to valve rod made of 12 Inner elongate of gear-box
20；In the rotating arm 22 of the rotatable combination in end of the valve rod 20；It is incorporated in the valve rod 20, keeps the rotating arm 22 fixed
In the key 26 of the valve rod 20；It is incorporated on the screw shaft 28 for being mounted on the gear-box 12, with the rotation of the screw shaft 28
Turn to be moved forward and backward, the sector gear 30 for being connected to the rotating arm 22, and rotating it；It is mounted on the interior of the gear-box 12
Portion contacts the end of the rotating arm 22, the switch 42 opened/closed in the rotating arm 22 rotation.
But in the butterfly valve of above-mentioned conventional art, the end of the rotating arm 22 and the valve rod 20, due to key 26
Secure bond, when being applied big power, by concentration external force on the key 26, will lead to the key 26 will appear slight crack or broken
Damage.
In addition, in the butterfly valve of conventional art, as shown in Fig. 2, not having when the rotating arm 22 is incorporated on the valve rod 20
Additional support is only merely fixed on the valve rod 20, is in vacant state.Therefore, for torsion, its toughness is weak, with institute
State sector gear 30 in conjunction with the rotating arm 22 long hole 34 side in opening, problem is not to be suitable for apply big
Power.Thus one, the butterfly valve of conventional art as shown in Figure 1 is only applicable to small-sized valve, is not suitable for receiving large size energetically
Valve.
In addition, protrusion tab 40 outstanding, pins the switch on the end of the rotating arm 22 in the butterfly valve of conventional art
The rotation angle of 42 contact, the protrusion tab 40 is small, can not preferably realize contact.So as to cause malfunction, apply excessive power
When, it will lead to the lost of life of switch 40.
Advanced technical literature
Patent document
(patent document 1) Korean granted utility model bulletin the 20-0255465th
Summary of the invention
In order to solve the above-mentioned technical problem, linear motion is become into rotary motion the object of the present invention is to provide a kind of
Rotating arm power can be dispersed when being incorporated on valve rod, and support side, be applicable to the butterfly valve of major valve.
Another object of the present invention is to provide a kind of contact portions for making switch to contact sector gear, and malfunction will not occur
Make, extends the butterfly valve of the service life of switch.
To achieve the goals above, butterfly valve of the invention, which is characterized in that the valve body with gear-box；It is opened and closed pipeline
Disk；From the disk to the Inner elongate of the gear-box, make the valve rod of the disc spins；It is mounted on the screw of the gear-box
Axis；As the rotation of the screw shaft is moved forward and backward, and the sector gear of the combination protrusion of formation and the valve rod parallel projections.
Further include：Side formed the first combined hole, can penetrate through and be inserted and fixed in conjunction with the valve stem end, the other side formed it is rotatable and
Be slidably connected the sector gear combination protrusion the second combined hole of long hole shape, become the linear motion of the sector gear
The rotating arm of the rotary motion of the valve rod；Configuration optionally connects with the sector gear in the gear-box side
Switch.The end of the valve rod forms polygonal cross section, and the first combined hole of the rotating arm is in and the valve rod section pair
The polygonal answered, secure bond is in the end of the valve rod.
The one side of the rotating arm connects with the gear-box medial surface, is rotatably fixed and is incorporated in the valve rod
Second combined hole of the rotating arm, the gear-box are inserted into end, the combination protrusion perforation of the sector gear
Sliding groove is formed on medial surface, can be inserted into and slides the combination projection ends for penetrating through second combined hole.
In addition, the contact portion of the switch is at curved surface, the sector gear is cylindrical, and the sector gear is selective
When ground and the switch contact, the outer peripheral surface of the sector gear is in the online contact of the contact portion in curved surface.
In addition, the screw thread of the screw shaft is formed by two rows of screws.
The invention has the advantages that butterfly valve according to the present invention, the first combined hole is in polygonal, with valve stem end section
Shape is identical, so that rotating arm be made to be easily incorporated within valve stem end, power when rotation can be dispersed, have the effect of preventing breakage.
In addition, the second combined hole is nonopen long hole shape, even if being applied big power, the second combined hole will not be supportted
It opens, has the effect of being suitable for major valve.
In addition, according to the present invention, the one side of rotating arm connects with the medial surface of gear-box, it is rotatably fixed and is incorporated in
The end of valve rod, when rotating arm is incorporated in valve stem end, the one side of rotating arm only needs the medial surface phase with gear-box
Binding is closed.To make the straight knot conjunction of itself and valve rod be more easier, the one side of rotating arm and the medial surface of gear-box
Connect, even if rotating arm will not be bent by big power, has the effect of to convey energetically.
In addition, the end of the combination protrusion of perforation insertion can be inserted into sliding groove and can slide in the second combined hole of rotating arm
It is dynamic, do not need other engagement means, so that it may so that rotating arm is incorporated in the second combined hole, have the effect of being easily assembled to.
In addition, contact portion and sector gear are contacted in line, when sector gear and contact portion contact, contact portion is along sector
The shape of wheel is certain, and realizes contact.To prevent malfunction, excessive power will not be applied, switch can be extended by, which having, makes
With the effect in service life.
In addition, the screw thread of screw shaft is that two rows of screws are formed, even small rotation, the amount of movement of sector gear becomes larger,
Has the effect of easily operated valve.
Detailed description of the invention
Fig. 1 is the sectional view of the butterfly valve of the conventional art of the applicant's application；
Fig. 2 is the section plan of Fig. 1；
Fig. 3 is the sectional view of the butterfly valve of one embodiment of the present invention；
Fig. 4 be in Fig. 3 valve in the closed state, the section plan intercepted on the basis of screw shaft；
Fig. 5 is the section plan of the opening state of the butterfly valve of one embodiment of the present invention；
Fig. 6 is the expanded view of part A in Fig. 3；
Fig. 7 is the rotating arm of the butterfly valve about an embodiment of the present invention and the exploded perspective view of stem structure and combines vertical
Body figure.
Specific embodiment
As shown in Fig. 3 to Fig. 7, the butterfly valve of one embodiment of the present invention, including：Valve body 100, disk 200, valve rod 300, spiral shell
Silk axis 400, sector gear 500, rotating arm 600 and switch 700.Valve body 100, as shown in figure 3, internal form pipeline 101, side
It is upper that there is gear-box 120.Gear-box 120 as shown in Figures 3 to 5, be equipped with aftermentioned valve rod 300 end and screw shaft 400,
Sector gear 500, rotating arm 600 and switch 700 etc., opening and closing disc 200.
Disk 200 is as shown in figure 3, be incorporated on aftermentioned valve rod 300, because being rotated in pipeline 101 for valve rod 300 rotates,
The flowing that opening and closing simultaneously passes through the oil body of pipeline 101.The side of valve rod 300 is incorporated in disk 200, the other side pass through valve body 100 to
The Inner elongate of gear-box 120.Valve rod 300 rotatably extends on valve body 100 to be combined, so that disk 200 be made to rotate.Valve rod
300 end, that is, the other side of the Inner elongate to gear-box 120, as shown in Fig. 4, Fig. 5 and Fig. 7, section is in polygonal
Shape.
Screw shaft 400 as shown in Figures 3 to 5, is directly handed over, and separate according to certain interval in gear-box 120 and valve rod 300
Configuration, the screw thread of this screw shaft 400 are spirally connected with aftermentioned sector gear 500.The side of screw shaft 400, such as Fig. 3 to Fig. 5 institute
Show, to gear-box 120 outside it is prominent, be equipped with make screw shaft 400 rotate handle 410.
In the present embodiment, may be used also unlike this although being equipped with the handle 410 that screw shaft 400 can be made to can be manually rotated
To connect genemotor, rotate screw shaft 400 automatically.Furthermore it is preferred that being, the screw thread of screw shaft 400 is by two rows of screw structures
At.The screw thread of screw shaft 400 is made of two rows of screws, even small rotation, the amount of movement of sector gear 500 can also become larger,
Easily operated valve.
Sector gear 500 is incorporated on screw shaft 400, as the rotation of screw shaft 400 is moved forward and backward.Such as Fig. 4 and Fig. 5 institute
Showing, sector gear 500 is moved forward and backward because of the rotation of screw shaft 400, and keep the other side of aftermentioned rotating arm 600 mobile, thus
Rotate valve rod 300.Sector gear 500 is rotatable in conjunction with protrusion 510 as shown in figure 3, for ease of being combined with rotating arm 600
Ground is incorporated on the second combined hole 620 of rotating arm 600, this combines the protrusion parallel with valve rod 300 of protrusion 510 to form, rotatable
And it is slidably connected in the second combined hole 620 of rotating arm 600.
Rotating arm 600 is in writing board shape as shown in Figures 4 and 5, and side is incorporated in valve rod 300, and the other side is incorporated in sector
In the combination protrusion 510 of gear 500, the linear motion of sector gear 500 is made to become the rotary motion of valve rod 300.The rotating arm
On 600 side, as shown in fig. 7, forming the first combined hole 610 of perforation insertion 300 end of valve rod and secure bond.In addition,
The other side of rotating arm 600 is as shown in figure 3, form the second combined hole 620 in long hole shape, the combination protrusion of sector gear 500
510 perforations are inserted, rotatable and sliding.
First combined hole 610 is as shown in fig. 7, it is in polygonal identical with 300 end cross-sectional character of valve rod, with valve rod
It forces to connect and fix combination in 300 end.Above-mentioned first combined hole 610 is in the polygonal as 300 end cross-sectional of valve rod, because
This can be easy to the end that rotating arm 600 is incorporated in valve rod 300, when rotation dispersible power, prevent breakage.First combined hole 610
It is preferably shaped to quadrangle with the end cross-sectional of valve rod 300, however, it is not limited to this.
Second combined hole 620, unlike previous technologies, side are nonopen long hole shape (referring to Fig. 7), above-mentioned second knot
Conjunction hole 620 is nonopen long hole shape, because even applying energetically, the second combined hole 620 will not be softened, and is applicable to big
Type valve.
In addition, rotating arm 600, as shown in figure 3, one side connects with the medial surface 120a of gear-box 120, it is rotatably solid
It is fixed to combine in the end of valve rod 300.
In conjunction with protrusion 510 as shown in figure 3, being formed from sector gear 500 to the interior direction of gear-box 120 is prominent, in tooth
On the medial surface 120a of roller box 120, as shown in Figures 3 to 5, the length direction towards screw shaft 400 forms sliding groove 121.Knot
Protrusion 510 is closed as shown in figure 3, the second combined hole 620 of rotating arm 600 is inserted into perforation, sliding groove 121 is inserted into end.It inserts in this way
The end of the combination protrusion 510 entered, because of the rotation of screw shaft 400, when sector gear 500 is moved forward and backward, along sliding groove 121
Carry out sliding movement.
The one side of above-mentioned rotating arm 600 connects with the medial surface 120a of gear-box 120, is rotatably fixed and is incorporated in valve
The end of bar 300, when combining rotating arm 600 on the end of valve rod 300, the one side of rotating arm 600 is interior with gear-box 120
Side 120a connects combination, to be easy to close with the straight knot of valve rod 300, the one side of rotating arm 600 is interior with gear-box 120
Side 120a connects, and will not be bent by energetically, can convey big power.
In addition, the end of the combination protrusion 510 of insertion is penetrated through on the second combined hole 620 of rotating arm 600, insertion sliding
Slot 121 is simultaneously slided, and other engagement means are not needed, and can also be combined in the second combined hole 620 of rotating arm 600,
It is easily assembled to.
Switch 700 is as shown in figure 4, configuration optionally connects with sector gear 500 in the side of gear-box 120.On
It states switch 700 optionally to connect with sector gear 500, it can be seen that the opening and closed state of valve.
As shown in figure 4, switch 700 is when sector gear 500 moves completely to side, valve is in closed state.At this point, controlling
When showing the closed state of valve in making sheet, in the open and-shut mode that remotely apart from inner, also may be easy to grasp valve.
In addition, as shown in figure 4, switch 700 is arranged obliquely on gear-box 120, the contact portion contacted with sector gear 500
710 (referring to Fig. 6) in curved surface, the shape of sector gear 500 is as shown in Figures 4 and 5, cylindrical.The contact portion that curved surface is formed
710, as shown in fig. 6, the cylindrical shape line with sector gear 500 contacts.
Contact portion 710 and the contact of 500 line of sector gear, when sector gear 500 and contact portion 710 contact, 710 edge of contact portion
Sector gear 500 shape it is mobile, form contact.To prevent maloperation, influence energetically not will receive, extend switch
700 service life.
It is the preferred embodiment for the present invention above, for illustrating technical characteristic of the invention, but the present invention does not limit to
In this, as long as a variety of replacements, change that those skilled in the art's technical idea according to the present invention and spiritual principles are done
Within more etc. all belonging to the scope of protection of the present invention.
Claims (3)
1. a kind of butterfly valve, the valve body (100) with gear-box (120)；It is opened and closed the disk (200) of pipeline (101)；From the disk
(200) to the Inner elongate of the gear-box (120), the valve rod (300) for rotating the disk (200)；It is mounted on the gear
The screw shaft (400) of case (120)；As the rotation of the screw shaft (400) is moved forward and backward, and formed and the valve rod (300)
The sector gear (500) of the combination protrusion (510) of parallel projections；
Further include：Side forms the first combined hole (610), can penetrate through and be inserted and fixed in conjunction with the valve rod (300) end, another
Side forms the second combined hole of long hole shape of rotatable and the sector gear (500) that is slidably connected combination protrusion (510)
(620), the linear motion of the sector gear (500) is made to become the rotating arm (600) of the rotary motion of the valve rod (300)；
Configure the switch (700) optionally to connect with the sector gear (500) in the gear-box (120) side；
The combination protrusion (510) perforation of the sector gear (500) is inserted into described the second of the rotating arm (600) and is combined
Hole (620)；
It is characterized in that, the end of the valve rod (300) forms polygonal cross section, the first combined hole of the rotating arm (600)
It (610) is in polygonal corresponding with the valve rod (300) end cross-sectional, end of the secure bond in the valve rod (300)；It is described
The one side of rotating arm (600) connects with the medial surface (120a) of the gear-box, is rotatably fixed and is incorporated in the valve rod
(300) end forms sliding groove (121) on the medial surface (120a) of the gear-box (120), can be inserted into and slides perforation institute
State combination protrusion (510) end of the second combined hole (620).
2. butterfly valve according to claim 1, which is characterized in that the contact portion (710) of the switch (700) is at curved surface, institute
It is cylindrical to state sector gear (500), it is described when the sector gear (500) selectively contacts with the switch (700)
The outer peripheral surface of sector gear (500) is in the contact portion (710) online contact in curved surface.
3. butterfly valve according to claim 1, which is characterized in that the screw thread of the screw shaft (400) is formed by two rows of screws.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2015-0006807 | 2015-10-20 | ||
| KR2020150006807U KR200480250Y1 (en) | 2015-10-20 | 2015-10-20 | Butterfly Valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594303A CN106594303A (en) | 2017-04-26 |
| CN106594303B true CN106594303B (en) | 2018-11-20 |
Family
ID=55916237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610248299.1A Active CN106594303B (en) | 2015-10-20 | 2016-04-20 | Butterfly valve |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200480250Y1 (en) |
| CN (1) | CN106594303B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685608B (en) * | 2021-09-22 | 2024-04-16 | 国网湖北省电力有限公司直流运检公司 | Flexible error-preventing device for fire emergency valve of converter station |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087268U (en) * | 1991-02-06 | 1991-10-23 | 郭荣树 | Butterfly valve with axle type valve rod |
| CN2130994Y (en) * | 1992-07-06 | 1993-04-28 | 孟庆塘 | Driving device for opening or closing ball valve or butterfly valve |
| CN1022857C (en) * | 1991-04-16 | 1993-11-24 | 石家庄市阀门三厂 | Partition type butterfly valve |
| JPH07286678A (en) * | 1994-04-18 | 1995-10-31 | Tomoe Gijutsu Kenkyusho:Kk | Driving device for rotary valve |
| KR19990035298U (en) * | 1999-06-11 | 1999-09-06 | 이규홍 | butterfly valve |
| JP2000028007A (en) * | 1998-07-08 | 2000-01-25 | Kubota Corp | Double shaft rotating device by one operating shaft |
| CN1611824A (en) * | 2003-10-30 | 2005-05-04 | 株式会社巴技术研究所 | Butterfly valve |
| CN201582407U (en) * | 2009-12-30 | 2010-09-15 | 姜堰市通达船用阀泵有限公司 | Emergency manual structure for butterfly valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3430199B2 (en) | 1998-07-22 | 2003-07-28 | 株式会社クボタ | Two-axis rotating device with one operation axis |
-
2015
- 2015-10-20 KR KR2020150006807U patent/KR200480250Y1/en active IP Right Grant
-
2016
- 2016-04-20 CN CN201610248299.1A patent/CN106594303B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087268U (en) * | 1991-02-06 | 1991-10-23 | 郭荣树 | Butterfly valve with axle type valve rod |
| CN1022857C (en) * | 1991-04-16 | 1993-11-24 | 石家庄市阀门三厂 | Partition type butterfly valve |
| CN2130994Y (en) * | 1992-07-06 | 1993-04-28 | 孟庆塘 | Driving device for opening or closing ball valve or butterfly valve |
| JPH07286678A (en) * | 1994-04-18 | 1995-10-31 | Tomoe Gijutsu Kenkyusho:Kk | Driving device for rotary valve |
| JP2000028007A (en) * | 1998-07-08 | 2000-01-25 | Kubota Corp | Double shaft rotating device by one operating shaft |
| KR19990035298U (en) * | 1999-06-11 | 1999-09-06 | 이규홍 | butterfly valve |
| CN1611824A (en) * | 2003-10-30 | 2005-05-04 | 株式会社巴技术研究所 | Butterfly valve |
| CN201582407U (en) * | 2009-12-30 | 2010-09-15 | 姜堰市通达船用阀泵有限公司 | Emergency manual structure for butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594303A (en) | 2017-04-26 |
| KR200480250Y1 (en) | 2016-04-29 |
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