CN206206644U - A kind of butterfly valve seal component and the butterfly valve of the component is installed - Google Patents
A kind of butterfly valve seal component and the butterfly valve of the component is installed Download PDFInfo
- Publication number
- CN206206644U CN206206644U CN201621271809.9U CN201621271809U CN206206644U CN 206206644 U CN206206644 U CN 206206644U CN 201621271809 U CN201621271809 U CN 201621271809U CN 206206644 U CN206206644 U CN 206206644U
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- China
- Prior art keywords
- protective cover
- valve
- screw
- butterfly valve
- valve rod
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of butterfly valve seal component and the butterfly valve of the component is installed, its drip irrigation device is：Including the sealing ring being set on valve rod; the gland for compressing sealing ring is arranged with valve rod, is connected by screw between gland and valve body, also the protective cover including being arranged on valve body; protective cover is located at outside gland and screw, and the protective cover is provided with the operation window for operating screw to rotate；Also include the switch member that control operation window is opened and closed.During installation; first sealing ring set is set on valve rod; then; gland set is set on valve rod again, is screwed by screw, you can realize the compression of sealing ring; because protective cover is located at outside gland and screw; therefore, protective cover can play a protective role to gland and screw, it is to avoid dust or impurity are entered between screw and valve body screw stuck phenomenon occurs.
Description
Technical field
The utility model is related to a kind of valve, more specifically, it relates to a kind of butterfly valve seal component and be provided with this
The butterfly valve of component.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve of simple structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to closure member（Flap or butterfly plate）It is disk, a kind of valve of open and close is reached around valve shaft rotation, valve can
For controlling all kinds such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium
The flowing of fluid.It is main on pipeline to play cut-out and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body
Rotated around the axis of its own, so as to reach the purpose for opening and closing or adjusting.
A kind of publication No. HTHP sealed butterfly valve for the patent of invention of CN104653792A is provided, is provided with twice close
Envelope, under the use environment of HTHP, still is able to ensure that butterfly valve has good sealing, the present invention is based on such scheme,
The high pressure sealing of butterfly valve is realized, the metal design of valve sealing face makes valve sealing at high temperature relatively reliable.
Existing butterfly valve, mainly including valve body, valve body is provided with cavity, and valve body is provided with the through hole communicated with cavity,
Valve rod is rotatably arranged in through hole, and the seal assembly for being sealed to through hole, seal assembly master are provided with valve body
To include some sealing rings being set on valve rod, be located on valve body at the top of through hole and be provided with for installing the heavy of sealing ring
Hole, sliding is provided with gland in counterbore, and gland is fixed by screws on valve body, and gland of the prior art is directly exposed
In outside, because butterfly valve is mounted in outdoor mostly, such dust and impurity are easily accessible between valve body and screw, then
There is stuck phenomenon in valve body and screw.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of butterfly valve seal component, can avoid
Dust enters in counterbore when using, and is not in the stuck phenomenon of screw.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of butterfly valve seal group
Part, including the sealing ring on valve rod is set in, the gland for compressing sealing ring is arranged with valve rod, pass through between gland and valve body
Mode connects for screw, also including the protective cover being arranged on valve body, protective cover is located at outside gland and screw, on the protective cover
It is provided with the operation window for operating screw to rotate；Also include the switch member that control operation window is opened and closed.
By using above-mentioned technical proposal：During installation, first sealing ring set is set on valve rod, then, then gland is arranged
Onto valve rod, screwed by screw, you can realize the compression of sealing ring, because protective cover is located at outside gland and screw
, therefore, protective cover can play a protective role to gland and screw, it is to avoid dust or impurity enter into screw and valve body
Between there is screw stuck phenomenon, meanwhile, operation window is set on protective cover, when want operation screw when, by operation
Window, you can realize the rotation of screw, when that need not adjust, switch member can close operation window, it is to avoid dust or impurity
Entered into protective cover by operation window, it is ensured that the sealing property of gland, while rainwater can also be avoided to drop onto on screw,
The corrosion of screw is caused, very good protective effect is served to gland and screw.
Preferably, the switch member includes being fixed on the baffle plate coordinated with operation window on valve body, the protective cover is rotated
It is arranged on valve body, the baffle plate can completely cover operation window.
By using above-mentioned technical proposal：After to screw end of operation, protective cover is rotated, operation window and baffle plate are turned
The position for overlapping, the area of operation window and the area equation of baffle plate are moved, now baffle plate can block operation window, realize operation
The closing of window, simple structure is easy to operate.
Preferably, the switch member includes the cover plate being hinged on protective cover, the cover plate can completely cover operation window.
By using above-mentioned technical proposal：After to screw end of operation, rotating plate, cover plate can hide operation window
Firmly, you can the closing of operation window is realized, by rotating plate, you can realize the keying of operation window, it is easy to operate.
Preferably, rotated between protective cover and valve body being provided with some balls, the ball sets around protective cover annular array
Put.
By using above-mentioned technical proposal：Ball is embedded between protective cover and valve body, and ball can realize protective cover
Stable rotation, ball can also reduce the frictional force between protective cover and valve body, reduce the abrasion between protective cover and valve body, rolling
Pearl is set around protective cover array, stress of the protective cover when rotating can be made visibly homogeneous, it is to avoid protection protective cover card occur
Dead phenomenon.
Preferably, being threaded with the positioning spiral shell that can be abutted with the outer wall of valve body on the outer circumference surface of the protective cover
Bolt.
By using above-mentioned technical proposal：After protective cover is rotate in place, Positioning screw is screwed, Positioning screw can be with
Protective cover is fixed on valve body, such operation window may remain in opening or closed mode, convenient to operate, and with ten
The protecting effect for having divided.
Preferably, the first magnet is embedded with the medial surface of the cover plate, it is corresponding with the first magnet on the protective cover to set
There is the second magnet.
By using above-mentioned technical proposal：When the first magnet and the second magnet are pulled together, cover plate with protection
Cover laminating, now cover plate is in off position, to set the first magnet and the second magnet, and cover plate can be avoided to be opened by wind, is made
Cover plate can be maintained at closure state in closure, it is ensured that cover plate can be in stable state in closure.
A kind of butterfly valve for being provided with above-mentioned butterfly valve seal component, including valve body and the valve rod that is rotatably arranged in valve body,
The valve rod is provided with valve plate, and the valve stem top is arranged with handle, and the protective cover is provided with the positioning for position fixing handle
Tooth plate, the positioning tooth plate is detachably arranged on protective cover.
By using above-mentioned technical proposal：When in use, because handle is set on valve rod, therefore, turn when desired
During ovable valve stem, first by handle upward sliding, handle is skidded off from positioning tooth plate, now rotate handle, you can realize valve rod
Rotate, after hand valve rod is rotate in place, again snap in positioning tooth plate handle, you can realize consolidating between handle and housing
It is fixed, after there is abrasion using a period of time positioning tooth plate, positioning tooth plate can be disassembled, replace with new positioning tooth
Plate, you can be continuing with, extends the service life of butterfly valve.
Preferably, the positioning tooth plate is set in fan-shaped, the two ends of the positioning tooth plate are through being provided with and protective cover screw thread
The connecting bolt of connection.
By using above-mentioned technical proposal：During installation, connecting bolt is screwed, you can realization positioning tooth plate is consolidated with protective cover
It is fixed, connecting bolt is arranged on the two ends of positioning tooth plate, the two ends for positioning tooth plate can be fixed, and then be capable of achieving positioning
Tooth plate and the fixation of protective cover, install and dismantle and be very convenient.
Preferably, the bottom of the positioning tooth plate is provided with least two locating dowels, the protective cover is provided with and locating dowel
The location hole of cooperation.
By using above-mentioned technical proposal：Locating dowel is set, when mounted, it is possible to achieve the pre-determined bit of positioning tooth plate, can
With the mounting hole for facilitating connecting bolt to be aligned on protective cover；Additionally, after installing, locating dowel may also operate as auxiliary and fix
Effect, reduces the pressure that connecting bolt is subject to, and extends the service life of connecting bolt.
Preferably, the valve rod is set for split, including it is arranged on the first valve rod of valve stem top and is arranged on valve rod
Second valve rod of bottom.
By using above-mentioned technical proposal：Valve rod is arranged to split, the volume of valve rod occupancy can be reduced, reduced
The resistance that fluid is subject to when by valve plate, can more rapidly realize the flowing of fluid, the first valve rod and the second valve rod
Coordinate, two ends that can be respectively to valve plate are fixed, the rotation for making valve rod operationally to stablize.
In sum, the utility model has the advantages that：
1st, reliable operation, by setting protective cover and switch member, when in use, can play a protective role to screw,
Screw is avoided to occur damaging；The first valve rod and the second valve rod are arranged with valve plate, valve plate can be realized with sufficiently stable
Rotation；
2nd, long service life, sets protective cover and positioning tooth plate is detachably arranged on protective cover, can be effective
Extend the service life of butterfly valve.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of embodiment one；
Fig. 2 is that the cover plate of embodiment one opens schematic diagram；
Fig. 3 is the overall structure diagram of embodiment two；
Fig. 4 is the sectional arrangement drawing of embodiment two；
Fig. 5 is A portions enlarged drawing in Fig. 4.
In figure：1st, valve body；11st, passage；12nd, through hole；13rd, counterbore；131st, sealing ring；14th, gland；15th, screw；2nd, valve
Bar；21st, the first valve rod；211st, square block；22nd, the second valve rod；3rd, valve plate；4th, handle；41st, square opening；5th, protective cover；51st, grasp
Make window；52nd, the second magnet；53rd, bolt；54th, location hole；6th, baffle plate；7th, cover plate；71st, the first magnet；8th, ball；9th, ring
Shape groove；10th, tooth plate is positioned；101st, breach；102nd, connecting bolt；103rd, locating dowel.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1-5.
Embodiment one：
A kind of butterfly valve seal component, reference picture 1 and Fig. 3, including the sealing ring 131 on valve rod 2 is set in, in valve body 1
The counterbore 13 for accommodating sealing ring 131 is provided with, size and the sealing ring 131 of counterbore 13 coordinate, and gland is also arranged with valve rod 2
14, gland 14 is inserted into being abutted with sealing ring 131 in counterbore 13, and screw 15, screw are provided with parallel to valve rod 2 on gland 14
15 are threadedly coupled with the top surface of valve body 1, and protective cover 5 is provided with valve body 1, and protective cover 5 is located at outside screw 15 and gland 14,
Protective cover 5 can be welded or is fixed on protective cover 5 using other fixed forms, and operation window 51 is provided with protective cover 5, behaviour
Make window 51 to be set through protective cover 5, operation window 51 is correspondingly arranged with screw 15, butterfly valve seal component also includes being used for control operation
The switch member that window 51 is opened and closed.
In the present embodiment, reference picture 2, switch member includes the cover plate 7 being hinged on protective cover 5, and the area of cover plate 7 is more than behaviour
Make the area of window 51, cover plate 7 can completely cover operation window 51, in order to make cover plate 7 and protective cover 5 be in one preferably
Fit-state, the curved setting of cover plate 7, bending amplitude coordinates with protective cover 5, in order to avoid rotation or mistake occurs in cover plate 7
Turn, the first magnet 71 is embedded with the medial surface of cover plate 7, the second magnet is correspondingly provided with the first magnet 71 on protective cover 5
52, when cover plate 7 is closed, the first magnet 71 is mutually attracted with the second magnet 52.
It is provided with for circulating for liquid in a kind of butterfly valve, reference picture 1 and Fig. 2, including valve body 1 and valve rod 2, valve body 1
Passage 11, rotate in the passage 11 and be provided with valve plate 3, the through hole 12 communicated with passage 11,2 turns of valve rod are provided with valve body 1
Dynamic to be arranged in through hole 12, counterbore 13 is arranged on the top of through hole 12, and in the present embodiment, valve rod 2 is set for split, by first
The valve rod 22 of valve rod 21 and second is constituted, and the first valve plate 3 and the second valve rod 22 collinearly set and are oppositely arranged on valve plate 3
Two ends, wherein, the first valve rod 21 is arranged on the top of valve plate 3, is rotatably arranged in through hole 12 and extends to outside valve body 1, the
Two valve rods 22 are arranged on the bottom of valve plate 3, are rotated with passage 11 and are connected.
Reference picture 1, the top of the first valve rod 21 is provided with square block 211, handle 4 is arranged with square block 211, on handle 4
What has the square opening 41 coordinated with square block 211, and positioning tooth plate 10 is provided with the top side detachable of protective cover 5, and positioning tooth plate 10 is in
Sector is set, and circumference array is provided with some breach 101 coordinated with handle 4 on positioning tooth plate 10, when handle 4 snaps in breach 101
When interior, handle 4 is fixed.
In the present embodiment, reference picture 4 and Fig. 5, positioning tooth plate 10 are fixed on protective cover 5 by connecting bolt 102, company
Connecting bolt 102 is two, is separately positioned on the two ends of positioning tooth plate 10, is provided with protective cover 5 and the cooperation of connecting bolt 102
Screwed hole, at least two locating dowels 103 are provided with the bottom surface of positioning tooth plate 10, are provided with and locating dowel at the top of protective cover 5
103 location holes 54 for coordinating.
The course of work is summarized：When needing to rotate screw 15, cover plate 7 is pulled open from protective cover 5, you can opening operation window
51, screw 15 is operated, when rotation valve rod 2 is wanted, first by the upward sliding of handle 4, by handle 4 from positioning tooth plate 10
Breach 101 in skid off, now rotate handle 4, you can realize the rotation of valve rod 2, after hand valve rod 2 is rotate in place, again
Handle 4 is snapped in positioning tooth plate 10, you can realize the fixation between handle 4 and housing, tooth plate is positioned when a period of time is used
After 10 occur wearing and tearing, connecting bolt 102 is disassembled, you can realize the dismounting of positioning tooth plate 10 and protective cover 5, then,
Replace with new positioning tooth plate 10, you can be continuing with, extend the service life of butterfly valve.
Embodiment two：
A kind of butterfly valve seal component, reference picture 3 and Fig. 4, the difference with embodiment one is, in the present embodiment,
Protective cover 5 is rotatably arranged on valve body 1, and annular groove 9, annular groove are equipped with the outer wall of valve body 1 and the inwall of protective cover 5
Rotated in 9 and be provided with some balls 8, ball 8 is set around the array of protective cover 5, switch member includes baffle plate 6, baffle plate 6 will can be operated
Window 51 is completely obscured, and when operation window 51 turns to the position Chong Die with baffle plate 6, operation window 51 is closed, gear
The also curved setting of plate 6, radian and the protective cover 5 of baffle plate 6 coordinate, and bolt 53, bolt are additionally provided with protective cover 5
53 are threadedly coupled with protective cover 5 and are abutted with valve body 1 through protective cover 5.
The above is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited merely to
Embodiment is stated, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should be pointed out that
For those skilled in the art, some improvement under the premise of the utility model principle is not departed from and profit
Decorations, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of butterfly valve seal component, including the sealing ring (131) on valve rod (2) is set in, it is arranged with compression on valve rod (2)
The gland (14) of sealing ring (131), is connected between gland (14) and valve body (1) by screw (15), it is characterised in that：Also include
The protective cover (5) on valve body (1) is arranged on, protective cover (5) is located at gland (14) and screw (15) is outside, the protective cover
(5) it is provided with the operation window (51) for operating screw (15) to rotate；Also include the switch member that control operation window (51) is opened and closed.
2. butterfly valve seal component according to claim 1, it is characterised in that：The switch member includes being fixed on valve body (1)
On the baffle plate (6) coordinated with operation window (51), the protective cover (5) is rotatably arranged on valve body (1), baffle plate (6) energy
It is enough to cover operation window (51) completely.
3. butterfly valve seal component according to claim 1, it is characterised in that：The switch member includes being hinged on protective cover
(5) cover plate (7) on, the cover plate (7) can completely cover operation window (51).
4. butterfly valve seal component according to claim 2, it is characterised in that：Rotated between protective cover (5) and valve body (1) and set
There are some balls (8), the ball (8) is set around protective cover (5) annular array.
5. butterfly valve seal component according to claim 4, it is characterised in that：Spiral shell on the outer circumference surface of the protective cover (5)
Line is connected with the bolt (53) that can be abutted with the outer wall of valve body (1).
6. butterfly valve seal component according to claim 3, it is characterised in that：It is embedded with the medial surface of the cover plate (7)
First magnet (71), the second magnet (52) is correspondingly provided with the protective cover (5) with the first magnet (71).
7. a kind of butterfly valve for being provided with the butterfly valve seal component described in the claims 1-6 any one, including valve body (1) with
And the valve rod (2) in valve body (1) is rotatably arranged on, the valve rod (2) is provided with valve plate (3), it is characterised in that：The valve rod
(2) top is arranged with handle (4), and the protective cover (5) is provided with the positioning tooth plate (10) for position fixing handle (4), described fixed
Position tooth plate (10) is detachably arranged on protective cover (5).
8. butterfly valve according to claim 7, it is characterised in that：Positioning tooth plate (10) is set in sector, the positioning
The connecting bolt (102) for being provided with and being threadedly coupled with protective cover (5) is run through at the two ends of tooth plate (10).
9. butterfly valve according to claim 8, it is characterised in that：The bottom of positioning tooth plate (10) is provided with least two and determines
Position post (103), the protective cover (5) is provided with the location hole (54) coordinated with locating dowel (103).
10. butterfly valve according to claim 8, it is characterised in that：The valve rod (2) is set for split, including is arranged on valve
The first valve rod (21) at the top of bar (2) and it is arranged on second valve rod (22) of valve rod (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271809.9U CN206206644U (en) | 2016-11-24 | 2016-11-24 | A kind of butterfly valve seal component and the butterfly valve of the component is installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271809.9U CN206206644U (en) | 2016-11-24 | 2016-11-24 | A kind of butterfly valve seal component and the butterfly valve of the component is installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206644U true CN206206644U (en) | 2017-05-31 |
Family
ID=58746993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621271809.9U Expired - Fee Related CN206206644U (en) | 2016-11-24 | 2016-11-24 | A kind of butterfly valve seal component and the butterfly valve of the component is installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757960A (en) * | 2018-08-20 | 2018-11-06 | 致和环境科技（江苏）有限公司 | A kind of closed butterfly valve |
-
2016
- 2016-11-24 CN CN201621271809.9U patent/CN206206644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757960A (en) * | 2018-08-20 | 2018-11-06 | 致和环境科技（江苏）有限公司 | A kind of closed butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201124 |