CN205479383U - High strength connecting rod butterfly valve - Google Patents
High strength connecting rod butterfly valve Download PDFInfo
- Publication number
- CN205479383U CN205479383U CN201620190183.2U CN201620190183U CN205479383U CN 205479383 U CN205479383 U CN 205479383U CN 201620190183 U CN201620190183 U CN 201620190183U CN 205479383 U CN205479383 U CN 205479383U
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- connecting rod
- valve
- butterfly valve
- interface
- strength connecting
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Abstract
The utility model discloses a high strength connecting rod butterfly valve has solved the dead lever and taken place not hard up problem in the use, and its technical scheme main points are including disk seat and link mechanism, link mechanism includes valve rod and fixed plate, be provided with the interface on the lateral wall of disk seat, the one end of fixed plate be provided with with the interface complex piece of pegging graft, the other end be provided with with valve rod complex through -hole, it is high to reach fixed plate mounting structure intensity, can not take place not hard uply and be convenient for the effect of installation.
Description
Technical field
This utility model relates to valve field, more specifically, it relates to a kind of high-strength connecting rod butterfly valve.
Background technology
Butterfly valve is again flap valve, it it is the regulation valve of a kind of simple in construction, the butterfly valve of the on-off control that can be used for low pressure pipeline medium refers to that closure member (flap or butterfly plate) is disk, rotate a kind of valve reaching to open and close around valve shaft, valve can be used for controlling the flowing of all kinds fluids such as sky gas and water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.Pipeline acts primarily as cut-out and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, and in valve body, the axis around himself rotates, thus reaches to open and close or the purpose of regulation.
The Chinese patent of Publication No. CN102401141A discloses the butterfly plate governor motion of a kind of blast furnace connecting rod type cutting butterfly valve, and this governor motion is positioned at valve body and the fixing bar junction in linkage of blast furnace connecting rod type cutting butterfly valve.Before and after butterfly valve body inwall with one end, fixing bar junction, both sides are fixedly installed adjusting screw rod seat respectively, matched threaded adjusting screw rod end is fixed on fixing bar two sides respectively, is additionally provided with stop nut in the outer face of adjusting screw rod seat and the threaded connection place of adjusting screw rod.
In above-mentioned patent, by the way of welding adjusting screw rod seat on the inwall of butterfly valve, fixing bar is bolted on adjusting screw rod seat, and owing to the butterfly plate of butterfly valve can be impacted, the most large-scale butterfly valve, its pressure experienced is very big, if bolt can be caused during being connected to life-time service by the way of bolt to occur to loosen, so that fixing bar shakes in experimentation, affect the sealing effectiveness of butterfly plate.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of high-strength connecting rod butterfly valve, and it is to solve the problem that fixing bar in use loosens.
For achieving the above object, this utility model provides following technical scheme: a kind of high-strength connecting rod butterfly valve, including valve seat and linkage, described linkage includes valve rod and fixed plate, and the sidewall of described valve seat is provided with interface；One end of described fixed plate is provided with the grafting block coordinated with interface, and the other end is provided with the through hole coordinated with valve rod.
Use said structure, when mounted, the grafting block in fixed plate is plugged in interface, again valve rod is arranged on valve seat through through hole, make fixed plate two ends spacing fixing, not only avoid bolt connect cause be susceptible to the problem that loosens, and connect convenient, quick.
This utility model is more preferably: described interface runs through the sidewall of valve seat, and the lateral wall of described valve seat is provided with the sealing lid for closing interface.
Use said structure, by through outside interface and valve seat, it is simple to grafting block length cause not fixed plate exist rock time, length compensation can be carried out by the way of opening sealing and covering；Can avoid owing to the setting of spliced eye causes this portion structure intensity too low simultaneously.
This utility model is more preferably: described sealing lid is a ring flange, Flange joint between described sealing lid and interface.
Use said structure, it is simple to seal the connection of lid and ensure sealing.
This utility model is more preferably: described grafting block becomes cylinder.
Using said structure, cylindrical interface is readily produced and manufactures, and can reduce production cost.
This utility model is more preferably: described grafting block forms with fixed plate formed by integrally casting.
Using said structure, formed by integrally casting forms the bonding strength can being effectively improved between fixed plate and grafting block.
This utility model is more preferably: described sealing is provided with sealing ring on one end end face that lid is connected with interface.
Use said structure, prevent sealing lid and leak with interface junction.
This utility model is more preferably: the edges at two ends of described valve seat is all welded with Flange joint dish, and on the lateral wall of described valve seat, projection is provided with multiple fin, and the two ends of described fin are connected with two Flange joint dishes respectively.
This utility model is more preferably: described fin is welded on valve seat lateral wall.
Use said structure, production cost and production difficulty can be reduced by the mode of welding, during the most large-scale butterfly valve is manufactured；And the structural strength being provided for enhancing valve seat of fin.
This utility model is more preferably: be provided with multiple jack hole on described fin.
Use said structure, butterfly valve can be promoted by rope by the way of jack hole when carrying, it is simple to carrying.
In sum, by using technique scheme this utility model high-strength connecting rod butterfly valve to have the advantage that
1, make fixed plate high with the attachment structure intensity of valve base chamber by the setting of grafting block Yu spliced eye, will not loosen, and be easily installed.
2, by the setting of fin, structural strength is high.
3, designing by the way of welding, production cost is low, and convenient for production.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present embodiment illustrates fixed plate inner mounting structure；
Fig. 2 is the structural representation that the present embodiment illustrates the outside interface structure of valve seat.
Reference: 1, valve seat；11, Flange joint dish；12, fin；121, jack hole；13, interface；2, dish plate；3, valve rod；4, fixed plate；5, driving lever；6, follower lever；7, lid is sealed；71, annular groove；8, sealing ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is described in detail.
It is a kind of embodiment of this utility model high-strength connecting rod butterfly valve as depicted in figs. 1 and 2, it includes valve seat 1, dish plate 2 and linkage, wherein, linkage includes valve rod 3, driving lever 5, follower lever 6 and fixed plate 4, fixed plate 4 is provided with through hole, the sidewall of valve seat 1 is provided with two spliced eyes, valve rod 3 is plugged on two spliced eyes and through through hole, the other end of fixed plate 4 is fixed on valve seat 1, driving lever 5 one end is socketed in the other end on valve rod 3 and is connected with dish plate 2, the two ends of follower lever 6 are connected on fixed plate 4 and dish plate 2, follower lever 6 is positioned at the top of driving lever 5.
In order to increase the bonding strength of fixed plate 4, being provided with interface 13 on the sidewall of valve seat 1, be provided with the grafting block coordinated with interface 13 in one end of fixed plate 4, grafting block becomes cylinder, and grafting block forms with fixed plate 4 formed by integrally casting.Fixed plate 4 is fixed by the way of the interface 13 being plugged on valve seat 1 by the grafting block in fixed plate 4, the most easy for installation, and structural strength is high, will not loosen.Wherein, interface 13 runs through the sidewall of valve seat 1, and the lateral wall of valve seat 1 is provided with the sealing lid 7 for closing interface 13, and sealing lid 7 is a ring flange, seals Flange joint between lid 7 and interface 13.By through outside interface 13 and valve seat 1, it is simple to grafting block length cause not fixed plate 4 exist rock time, length compensation can be carried out by the way of opening sealing lid 7；Can avoid owing to the setting of spliced eye causes this portion structure intensity too low simultaneously.It addition, arrange annular groove 71 sealing on one end end face that lid 7 is connected with interface 13, being provided with sealing ring 8 in annular groove 71, sealing ring 8 highlights annular groove 71 and arranges.
The edges at two ends of valve seat 1 is all welded with Flange joint dish 11, and Flange joint dish 11 is provided with some connecting holes.On the lateral wall of valve seat 1, projection is provided with multiple fin 12, the two ends of fin 12 are connected with two Flange joint dishes 11 respectively, fin 12 is welded on valve seat 1 lateral wall, multiple jack hole 121 it is provided with on fin 12, butterfly valve can be promoted by rope by the way of jack hole 121 when carrying, reach the effect carried respectively.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a high-strength connecting rod butterfly valve, including valve seat (1) and linkage, described linkage includes valve rod (3) and fixed plate (4), it is characterized in that: be provided with interface (13) on the sidewall of described valve seat (1)；One end of described fixed plate (4) is provided with the grafting block coordinated with interface (13), and the other end is provided with the through hole coordinated with valve rod (3).
High-strength connecting rod butterfly valve the most according to claim 1, is characterized in that: described interface (13) runs through the sidewall of valve seat (1), and the lateral wall of described valve seat (1) is provided with the sealing lid (7) for closing interface (13).
High-strength connecting rod butterfly valve the most according to claim 2, is characterized in that: the described lid (7) that seals is a ring flange, Flange joint between described sealing lid (7) and interface (13).
High-strength connecting rod butterfly valve the most according to claim 3, is characterized in that: described grafting block becomes cylinder.
High-strength connecting rod butterfly valve the most according to claim 3, is characterized in that: described grafting block forms with fixed plate (4) formed by integrally casting.
High-strength connecting rod butterfly valve the most according to claim 2, is characterized in that: described sealing is provided with sealing ring (8) on one end end face that lid (7) is connected with interface (13).
High-strength connecting rod butterfly valve the most according to claim 1, it is characterized in that: the edges at two ends of described valve seat (1) is all welded with Flange joint dish (11), on the lateral wall of described valve seat (1), projection is provided with multiple fin (12), and the two ends of described fin (12) are connected with two Flange joint dishes (11) respectively.
High-strength connecting rod butterfly valve the most according to claim 7, is characterized in that: described fin (12) is welded on valve seat (1) lateral wall.
High-strength connecting rod butterfly valve the most according to claim 7, is characterized in that: be provided with multiple jack hole (121) on described fin (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190183.2U CN205479383U (en) | 2016-03-12 | 2016-03-12 | High strength connecting rod butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190183.2U CN205479383U (en) | 2016-03-12 | 2016-03-12 | High strength connecting rod butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479383U true CN205479383U (en) | 2016-08-17 |
Family
ID=56656908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620190183.2U Active CN205479383U (en) | 2016-03-12 | 2016-03-12 | High strength connecting rod butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479383U (en) |
-
2016
- 2016-03-12 CN CN201620190183.2U patent/CN205479383U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |