CN110094558A - A kind of integral type butterfly shaped check valve - Google Patents
A kind of integral type butterfly shaped check valve Download PDFInfo
- Publication number
- CN110094558A CN110094558A CN201910491811.9A CN201910491811A CN110094558A CN 110094558 A CN110094558 A CN 110094558A CN 201910491811 A CN201910491811 A CN 201910491811A CN 110094558 A CN110094558 A CN 110094558A
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- CN
- China
- Prior art keywords
- valve
- connecting rod
- rod
- cavity
- butterfly plate
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of integral type butterfly shaped check valves, belong to hardware valve field.A kind of integral type butterfly shaped check valve, including valve body and butterfly plate, valve inner is provided with the valve chamber to match with butterfly plate, butterfly plate is internally connected with valve rod, valve rod one end is rotatably connected in valve body, valve rod passes through valve deck far from one end of valve body and is connected with lever, stem internal is provided with the first cavity, first connecting rod is connected in valve deck, first connecting rod passes through valve deck far from one end of valve deck and is rotatedly connected with the first cavity bottom, butterfly plate is internally provided with the second cavity, second cavity inside is connected with telescopic rod, telescopic rod one end is matched with first connecting rod, the one end of telescopic rod far from first connecting rod offsets with valve interior wall;The method have the advantage is capable of guarantee butterfly plate rotate it is stable after certain angle be fixed up, avoid butterfly plate there is a situation where limits under the compression shock of medium unstable, influence control of the butterfly valve to medium flow field flux.
Description
Technical field
The present invention relates to hardware valve field more particularly to a kind of integral type butterfly shaped check valves.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for controlling empty gas and water, steam, various corrosion
The flowing of the various types fluids such as property medium, mud, oil product, liquid metal and radiating medium, mainly plays cutting on pipeline
And throttling action, butterfly valve opening and closing element are a discoidal butterfly plates, rotate in valve body around the axis of its own, open to reach
The purpose closed or adjusted.
Traditional butterfly valve includes valve body and valve rod, and the lower end of valve rod is provided with valve plate, the restriction master of the valve plate position of the butterfly valve
To realize that wherein worm screw is the top of upper valve rod by the structure of turbine and worm, but the limit of this position limiting structure is not steady enough
Gu easilying lead to butterfly plate when the flow velocity of valve in-vivo medium is unstable to rotate, and then influences medium and pass in and out flow.
Summary of the invention
The purpose of the present invention is to solve the problems of the prior art, and a kind of integral type butterfly shaped check valve proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of integral type butterfly shaped check valve, including valve body and butterfly plate, the valve inner are provided with the valve chamber to match with butterfly plate,
The butterfly plate is connected in valve chamber, and valve deck is connected on the valve body roof, and the butterfly plate is internally connected with valve rod, the valve rod
One end is rotatably connected in valve body, and the valve rod passes through valve deck far from one end of valve body and is connected with lever, the stem internal
It is provided with the first cavity, first connecting rod is connected in the valve deck, the first connecting rod passes through valve deck simultaneously far from one end of valve deck
It is rotatedly connected with the first cavity bottom, the butterfly plate is internally provided with the second cavity, and second cavity inside is connected with flexible
Bar, described telescopic rod one end are matched with first connecting rod, and the one end of the telescopic rod far from first connecting rod offsets with valve interior wall.
Preferably, first boss is provided on the first connecting rod outer wall, it is convex that the first boss engagement is connected with second
Platform, the second boss are connected on telescopic rod.
Preferably, the telescopic rod includes second connecting rod, third connecting rod and screw shell, described screw shell one end and the
Two connecting rods are fixedly linked, and the one end of the screw shell far from second connecting rod is connected with third connecting rod screw thread.
Preferably, the third connecting rod is connected with convex block far from one end of screw shell, and the convex block is contracted in the second sky
Intracavitary portion, and the convex block matches with the second cavity.
Preferably, it is provided with rotational handle at the top of the first connecting rod, is provided with anti-skid chequer on the rotational handle outer wall.
Compared with prior art, the present invention provides a kind of integral type butterfly shaped check valve, have it is following the utility model has the advantages that
1, the integral type butterfly shaped check valve is rotated by rotating the lever of body top so as to band ovable valve stem, thus
Butterfly plate rotation is driven, so that the adjusting to flow of media is realized, then by rotation rotational handle, so as to drive the first company
Bar rotation, and then the first boss rotation being connected on first connecting rod outer wall is driven, it is connected to drive and be engaged with first boss
Second boss rotation, to drive the second connecting rod being connected with second boss and the screw thread being connected on second connecting rod outer wall
Sleeve rotation, by the rotation of screw shell, so that the third connecting rod being connected with screw shell screw thread is driven to be slided, thus
So that third connecting rod is to stretching out outside the second cavity, to drive convex block protruding, and then convex block then can closely and valve body
Inner wall offsets, and screw shell can only rotate in the second cavity, immovable, so that the second boss on second connecting rod be made to begin
It is matched eventually with first boss, and third connecting rod can only be moved in the second cavity and is not able to rotate, and third connecting rod can be made to facilitate shifting
It is dynamic, so that butterfly plate can be stably fixed to valve inner after rotating certain angle, avoid butterfly plate in the pressure of medium
Impact is lower there is a situation where limit shakiness, to influence control of the butterfly valve to medium flow field flux, passes through convex block and the second cavity phase
Matching so that medium be avoided to enter the second cavity inside, and influences the normal flexible of telescopic rod, passes through the rotation hand of setting
Handle, consequently facilitating the active to first connecting rod, by the setting of anti-skid chequer, thus avoid skidding when rotary motion handle
Situation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of integral type butterfly shaped check valve proposed by the present invention;
Fig. 2 is the enlarged drawing of part A in a kind of integral type butterfly shaped check valve Fig. 1 proposed by the present invention;
Fig. 3 is a kind of lateral sectional view of integral type butterfly shaped check valve proposed by the present invention;
Fig. 4 is a kind of structural representation of the telescopic rod of integral type butterfly shaped check valve proposed by the present invention.
In figure: 1, valve body;101, valve deck;2, butterfly plate;201, the second cavity;3, valve rod;301, the first cavity;4, lever;
5, first connecting rod;501, first boss;502, second boss;503, rotational handle;6, telescopic rod;601, second connecting rod;602,
Third connecting rod;603, screw shell;604, convex block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of integral type butterfly shaped check valve, including valve body 1 and butterfly plate 2, valve body 1 is internally provided with and butterfly plate
2 valve chambers to match, butterfly plate 2 are connected in valve chamber, and valve deck 101 is connected on 1 roof of valve body, and butterfly plate 2 is internally connected with valve rod
3,3 one end of valve rod is rotatably connected in valve body 1, and valve rod 3 passes through valve deck 101 far from one end of valve body 1 and is connected with lever 4, valve
Bar 3 is internally provided with the first cavity 301, and first connecting rod 5, the one end of first connecting rod 5 far from valve deck 101 are connected in valve deck 101
It is connected across valve deck 101 and with 301 lower rotation of the first cavity, butterfly plate 2 is internally provided with the second cavity 201, the second cavity 201
It is internally connected with telescopic rod 6,6 one end of telescopic rod is matched with first connecting rod 5, telescopic rod 6 one end and valve far from first connecting rod 5
1 inner wall of body offsets.
Referring to Fig. 2, first boss 501 is provided on 5 outer wall of first connecting rod, it is convex that the engagement of first boss 501 is connected with second
Platform 502, second boss 502 are connected on telescopic rod 6.
Referring to Fig. 4, telescopic rod 6 includes second connecting rod 601, third connecting rod 602 and screw shell 603, screw shell 603 1
End is fixedly linked with second connecting rod 601, the one end of screw shell 603 far from second connecting rod 601 and 602 screw thread phase of third connecting rod
Even.
Referring to Fig.1-4, third connecting rod 602 is connected with convex block 604 far from one end of screw shell 603, and convex block 604 is contracted in
Inside second cavity 201, and convex block 604 matches with the second cavity 201.
Referring to Fig.1-3, it is provided with rotational handle 503 at the top of first connecting rod 5, is provided on 503 outer wall of rotational handle anti-skidding
Line.
By the lever 4 at 1 top of rotation valve body, rotated so as to band ovable valve stem 3, so that butterfly plate 2 is driven to rotate,
To realize the adjusting to flow of media, then by rotation rotational handle 503, so as to drive first connecting rod 5 to rotate, into
And drive the first boss 501 that is connected on 5 outer wall of first connecting rod to rotate, thus drive engaged with first boss 501 it is connected
Second boss 502 rotates, to drive the second connecting rod 601 being connected with second boss 502 and be connected to 601 outer wall of second connecting rod
On screw shell 603 rotate, by the rotation of screw shell 603, to drive the third being connected with 603 screw thread of screw shell
Connecting rod 602 is slided, so that third connecting rod 602 is to stretching out outside the second cavity 201, to drive convex block 604 outside
It stretches out, and then convex block 604 then can closely offset with 1 inner wall of valve body, and screw shell 603 can only turn in the second cavity 201
It is dynamic, it is immovable, to make the second boss 502 on second connecting rod 601 match always with first boss 501, and third connects
Bar 602 can only be moved in the second cavity 201 and is not able to rotate, and third connecting rod 602 can be made to be moved easily, so that 2 turns of butterfly plate
It can be stably fixed to inside valve body 1 after moving certain angle, avoid butterfly plate 2 that limit occurs under the compression shock of medium not
Steady situation is matched, to keep away to influence control of the butterfly valve to medium flow field flux by convex block 604 and the second cavity 201
Exempt from medium to enter inside the second cavity 201, and influence the normal of telescopic rod 6, by the rotational handle 503 of setting, thus just
In the active to first connecting rod 5, by the setting of anti-skid chequer, when to avoiding rotary motion handle 503, there is a situation where skid.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of integral type butterfly shaped check valve, including valve body (1) and butterfly plate (2), which is characterized in that set inside the valve body (1)
It is equipped with the valve chamber to match with butterfly plate (2), the butterfly plate (2) is connected in valve chamber, is connected with valve deck on valve body (1) roof
(101), the butterfly plate (2) is internally connected with valve rod (3), and described valve rod (3) one end is rotatably connected in valve body (1), the valve
Bar (3) passes through valve deck (101) far from the one end of valve body (1) and is connected with lever (4), and the valve rod (3) is internally provided with first
Cavity (301), the valve deck (101) is interior to be connected with first connecting rod (5), the one end of the first connecting rod (5) far from valve deck (101)
It is connected across valve deck (101) and with the first cavity (301) lower rotation, the butterfly plate (2) is internally provided with the second cavity
(201), second cavity (201) is internally connected with telescopic rod (6), and described telescopic rod (6) one end and first connecting rod (5) match
It closes, the telescopic rod (6) offsets far from the one end of first connecting rod (5) with valve body (1) inner wall.
2. a kind of integral type butterfly shaped check valve according to claim 1, which is characterized in that first connecting rod (5) outer wall
On be provided with first boss (501), the first boss (501) engagement is connected with second boss (502), the second boss
(502) it is connected on telescopic rod (6).
3. a kind of integral type butterfly shaped check valve according to claim 2, which is characterized in that the telescopic rod (6) includes the
Two connecting rods (601), third connecting rod (602) and screw shell (603), described screw shell (603) one end and second connecting rod (601)
It is fixedly linked, the screw shell (603) is connected far from the one end of second connecting rod (601) with third connecting rod (602) screw thread.
4. a kind of integral type butterfly shaped check valve according to claim 3, which is characterized in that the third connecting rod (602) is remote
One end from screw shell (603) is connected with convex block (604), and the convex block (604) is contracted in the second cavity (201) inside, and
The convex block (604) matches with the second cavity (201).
5. a kind of integral type butterfly shaped check valve according to claim 1, which is characterized in that at the top of the first connecting rod (5)
It is provided with rotational handle (503), is provided with anti-skid chequer on rotational handle (503) outer wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910491811.9A CN110094558A (en) | 2019-06-06 | 2019-06-06 | A kind of integral type butterfly shaped check valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910491811.9A CN110094558A (en) | 2019-06-06 | 2019-06-06 | A kind of integral type butterfly shaped check valve |
Publications (1)
Publication Number | Publication Date |
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CN110094558A true CN110094558A (en) | 2019-08-06 |
Family
ID=67450399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910491811.9A Withdrawn CN110094558A (en) | 2019-06-06 | 2019-06-06 | A kind of integral type butterfly shaped check valve |
Country Status (1)
Country | Link |
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CN (1) | CN110094558A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110541941A (en) * | 2019-09-02 | 2019-12-06 | 江苏盐电阀门有限公司 | connecting structure of butterfly plate and valve rod |
-
2019
- 2019-06-06 CN CN201910491811.9A patent/CN110094558A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110541941A (en) * | 2019-09-02 | 2019-12-06 | 江苏盐电阀门有限公司 | connecting structure of butterfly plate and valve rod |
CN110541941B (en) * | 2019-09-02 | 2020-10-09 | 江苏盐电阀门有限公司 | Connecting structure of butterfly plate and valve rod |
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Application publication date: 20190806 |