CN207316227U - Sealing ring position indicator for valve - Google Patents
Sealing ring position indicator for valve Download PDFInfo
- Publication number
- CN207316227U CN207316227U CN201721355344.XU CN201721355344U CN207316227U CN 207316227 U CN207316227 U CN 207316227U CN 201721355344 U CN201721355344 U CN 201721355344U CN 207316227 U CN207316227 U CN 207316227U
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- sleeve
- mounting flange
- flange
- connecting flange
- valve
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Abstract
The utility model discloses a kind of sealing ring position indicator for valve, it is related to valve technology field.The utility model includes indicating arm, limit switch and sleeve, sleeve is installed in connecting flange, and one end of sleeve is fixed on connecting flange by mounting flange, the end set that the sleeve stretches out in one end of connecting flange has tapered sleeve, tapered sleeve is threaded in the end of sleeve, and one end of the indicating arm is threadedly coupled through tapered sleeve, sleeve and lead ring with loose gland, the other end installation banking stop of indicating arm, the banking stop coordinates with limit switch, and ring position is sealed for showing.The utility model total, can not shut down in unit, in the case that penstock is not vented, telescopic joint is not dismantled, it is only necessary to which exiting piston packing ring and laying down internal pressure can be installed, dismantled or be replaced.
Description
Technical field
Valve technology field is the utility model is related to, more specifically to a kind of sealing ring position instruction for valve
Device.
Background technology
Common bimetallic (spring cone) seal butterfly valve and globe valve are typically provided with "T"-shaped or " D " shape loose gland, in order to
Reflect its input and the position exited, in order to accurately obtain displacement information, activity is often provided with valve mechanism
Sealing ring position indicator.
State Intellectual Property Office disclosed a Publication No. CN205047971U on 2 24th, 2016, entitled
The utility model patent of " a kind of hydroturbine water intake ball valve seal ring position indicating device ", the device are included to cross water intake ball valve
The guide sleeve one that the mode of flange is installed, the guide sleeve two installed in a manner of crossing water intake ball valve lead ring, with sealing ring screw thread
The mobile axial filament of connection, and guide sleeve one, guide sleeve two and mobile axial filament are set with coaxial line；Shifting is installed in guide sleeve two
Moving axis, mobile axial filament epitaxial end are extended in guide sleeve two and by the rear end in contact of steel ball nested mode and shifting axle, led
Indicating arm is installed into set one, spring, one end of spring and the land end face of indicating arm middle and back are coated with indicating arm
Coordinate, the other end of spring contacts with swivel nut, instruction rod rear end extend to guide sleeve two it is interior and with the rear end in contact of shifting axle,
Collision block is installed in the preceding elongated end of indicating arm, is provided with before and after collision block close to switch, passes through stent and spiral shell close to switch
Set is combined.The utility model is conveniently processed, is easily installed.
There are three kinds of schemes at present.The first is induction type, is positioned proximate to switch in the throwing, retreating chamber of loose gland, sensing
Loose gland sends signal in the position for putting into, exiting, but the structure constraint, in the sensitivity of switch, there is also once in a while
The situation of wrong report；Second is contact, by the indicating arm in loose gland instruction device sideling installed in the upper and lower of valve
Side is swum, and the distance of 1mm or so is kept with loose gland, when loose gland exits, indicating arm is touched, promotes instruction
Bar moves, and sends signal, when loose gland is put into, indicating arm relies on spring reset, and the structure constraint is in the reset of spring
Ability, and fracture with indicating arm or drainage；The third is integral type, i.e., by loose gland position indicator
Indicating arm, be screwed on loose gland, be integral with, the position of accurate reflection loose gland that can be in due course, but should
The small sealing ring that the upper and lower side of valve is installed in structure is not easy to replace, if leak, replaces the small sealing ring of valve downstream side, will
Water in meeting blowdown pressure steel pipe；Replace the small sealing ring of valve downstream side, it will telescopic joint of dismantling, it is relatively time-consuming.
Utility model content
In order to overcome above-mentioned defect existing in the prior art and deficiency, the utility model provides a kind of for valve
Sealing ring position indicator, when the goal of the invention of the utility model is intended to solve installation fee in the prior art, dismounting or more
The problem of changing inconvenience, the utility model total, can not shut down, penstock is not vented, telescopic joint is not torn open in unit
In the case of unloading, it is only necessary to which exiting piston packing ring and laying down internal pressure can be installed, dismantled or be replaced.
In order to solve above-mentioned problems of the prior art, the utility model is achieved through the following technical solutions：
For the sealing ring position indicator of valve, including indicating arm, limit switch and sleeve, it is characterised in that：Set
Cylinder is installed in connecting flange, and one end of sleeve is fixed on connecting flange by mounting flange, and the sleeve stretches out in
The end set of one end of connecting flange has tapered sleeve, and tapered sleeve is threaded in the end of sleeve, and one end of the indicating arm passes through
Tapered sleeve, sleeve and lead ring are threadedly coupled with loose gland, the other end of indicating arm installation banking stop, the banking stop with it is spacing
Switch coordinates, and ring position is sealed for showing.
One end that the sleeve is stretched into connecting flange is threadedly coupled with connecting flange.
One end that the sleeve is stretched into connecting flange is contacted with lead ring, and O-ring seals are provided with contact surface.
The mounting flange includes mounting flange I and mounting flange II, and connecting flange is stretched into described I one end of mounting flange
Interior, mounting flange II is arranged on I side of mounting flange, and mounting flange I and mounting flange II are fixed on connection method by bolt
Lan Shang.
The mounting flange I is stretched on the outside of one end of connecting flange and contacted with connecting flange, and is provided with O-ring seals.
O-ring seals are provided between the mounting flange II and mounting flange I, between the mounting flange II and sleeve
It is provided with O-ring seals.
O-ring seals are provided between the tapered sleeve and indicating arm.
The limit switch is fixed by the bracket on tapered sleeve.
Compared with prior art, technique effect beneficial caused by the utility model is shown：
1st, the indicating arm of the utility model is directly to be connected through lead ring with loose gland, makes indicating arm close with activity
Seal ring is integral, and sleeve is screwed into connecting flange, sleeve one end is fixed on connecting flange by mounting flange, Ran Houzai
Tapered sleeve is installed on sleeve, limit switch, limiting plate etc. be finally installed, total installation is simple, is easily installed, dismantles and more
Change, pass through the structure type of the utility model, it is possible to achieve unit is not shut down, penstock is not vented, connecting flange is not torn open
In the case of unloading, it is only necessary to exit loose gland, releasing internal pressure can be installed, dismantled or be replaced.
2nd, sleeve end face sets one or multi-channel O-ring seals, is threaded into using G in connecting flange, and the other end is set
Circular cone external screw thread is used to install tapered sleeve, and the O-ring seals of sleeve end face realize the close of lead ring when sleeve is screwed into connecting flange
Envelope.Mounting flange is divided into mounting flange I and mounting flange II, and mounting flange I carries O-ring seals, coordinates with connecting flange, real
Sealing inside existing connecting flange, II end face of mounting flange set O-ring seals, and it is internal set that inside, which sets piston rod packing,
O-ring seals, flange I are fixed on connecting flange, realize the sealing between flange II and flange I, flange II and sleeve it
Between sealing, tapered sleeve is connected on sleeve, piston rod packing, i.e. O-ring seals is provided with tapered sleeve, realizes tapered sleeve and indicating arm
Between sealing.By above-mentioned sealing structure, realize sealing of the indicating arm when indicating movable sealing ring position, ensure it just
Often running.
Brief description of the drawings
Fig. 1 is the utility model overall structure sectional view；
Reference numeral：1st, indicating arm, 2, limit switch, 3, sleeve, 4, connecting flange, 5, lead ring, 6, loose gland, 7,
Banking stop, 8, mounting flange I, 9, mounting flange II, 10, tapered sleeve, 11, O-ring seals, 12, stent.
Embodiment
With reference to Figure of description, the technical solution of the utility model is made further instructions.
Embodiment 1
As one preferred embodiment of the utility model, with reference to Figure of description 1, present embodiment discloses：
It is installed on for the sealing ring position indicator of valve, including indicating arm 1, limit switch 2 and sleeve 3, sleeve 3
In connecting flange 4, and one end of sleeve 3 is fixed on connecting flange 4 by mounting flange, the sleeve 3 stretches out in connection
The end set of one end of flange 4 has tapered sleeve 10, and tapered sleeve 10 is threaded in the end of sleeve 3, and one end of the indicating arm 1 is worn
Cross tapered sleeve 10, sleeve 3 and lead ring 5 to be threadedly coupled with loose gland 6, the other end installation banking stop 7 of indicating arm 1, the limit
Bit slice 7 coordinates with limit switch 2, and ring position is sealed for showing；Indicating arm 1 is directly to connect through lead ring 5 with loose gland 6
Connect, make indicating arm 1 and loose gland 6 integral, sleeve 3 is screwed into connecting flange 4, by mounting flange by sleeve 3
One end is fixed on connecting flange 4, then installs tapered sleeve 10 on sleeve 3 again, finally installs limit switch 2, limiting plate etc., whole
A structure installation is simple, is easily installed, dismantles and replaces, passes through the structure type of the utility model, it is possible to achieve in unit not
Shut down, in the case that penstock is not vented, connecting flange 4 is not dismantled, it is only necessary to exit loose gland 6, release internal pressure i.e.
It can be installed, dismantled or be replaced.
Embodiment 2
As the utility model another embodiment, with reference to Figure of description 1, present embodiment discloses：
For the sealing ring position indicator of valve, including indicating arm 1, limit switch 2 and sleeve 3, it is characterised in that：
Sleeve 3 is installed in connecting flange 4, and one end of sleeve 3 is fixed on connecting flange 4 by mounting flange, the sleeve 3
Stretching out in the end set of one end of connecting flange 4 has tapered sleeve 10, and tapered sleeve 10 is threaded in the end of sleeve 3, the instruction
One end of bar 1 is threadedly coupled through tapered sleeve 10, sleeve 3 and lead ring 5 with loose gland 6, and the other end installation of indicating arm 1 is spacing
Piece 7, the banking stop 7 coordinate with limit switch 2, and ring position is sealed for showing；The sleeve 3 is stretched into connecting flange 4
One end is threadedly coupled with connecting flange 4；One end that the sleeve 3 is stretched into connecting flange 4 is contacted with lead ring 5, is set on contact surface
It is equipped with O-ring seals 11.
Embodiment 3
As the utility model another embodiment, with reference to Figure of description 1, present embodiment discloses：
It is installed on for the sealing ring position indicator of valve, including indicating arm 1, limit switch 2 and sleeve 3, sleeve 3
In connecting flange 4, and one end of sleeve 3 is fixed on connecting flange 4 by mounting flange, the sleeve 3 stretches out in connection
The end set of one end of flange 4 has tapered sleeve 10, and tapered sleeve 10 is threaded in the end of sleeve 3, and one end of the indicating arm 1 is worn
Cross tapered sleeve 10, sleeve 3 and lead ring 5 to be threadedly coupled with loose gland 6, the other end installation banking stop 7 of indicating arm 1, the limit
Bit slice 7 coordinates with limit switch 2, and ring position is sealed for showing；The sleeve 3 stretches into one end and connection in connecting flange 4
Flange 4 is threadedly coupled；One end that the sleeve 3 is stretched into connecting flange 4 is contacted with lead ring 5, and the sealing of O shapes is provided with contact surface
Circle 11.The mounting flange includes mounting flange I 8 and mounting flange II 9, and connecting flange 4 is stretched into described I 8 one end of mounting flange
Interior, mounting flange II 9 is arranged on I 8 side of mounting flange, by bolt by II 9 company of being fixed on of mounting flange I 8 and mounting flange
On acting flange 4；The mounting flange I 8 is stretched on the outside of one end of connecting flange 4 and contacted with connecting flange 4, and it is close to be provided with O shapes
Seal 11；O-ring seals 11, the mounting flange II 9 and sleeve are provided between the mounting flange II 9 and mounting flange I 8
O-ring seals 11 are provided between 3.
Mounting flange is divided into mounting flange I 8 and mounting flange II 9, and mounting flange I 8 carries O-ring seals 11, with being connected
Flange 4 coordinates, and realizes the sealing inside connecting flange 4, and II 9 end face of mounting flange sets O-ring seals 11, and inside sets piston
Bar sealing is internal setting O-ring seals 11, and flange I is fixed on connecting flange 4, is realized between flange II and flange I
Sealing, the sealing between flange II and sleeve 3, tapered sleeve 10 are connected on sleeve 3, and piston rod packing, i.e. O are provided with tapered sleeve 10
Shape sealing ring 11, realizes the sealing between tapered sleeve 10 and indicating arm 1.By above-mentioned sealing structure, realize that indicating arm 1 is indicating
Sealing during 6 position of loose gland, ensures its normal operation.
Embodiment 4
As the utility model another embodiment, with reference to Figure of description 1, present embodiment discloses：
For the sealing ring position indicator of valve, including indicating arm 1, limit switch 2 and sleeve 3, it is characterised in that：
Sleeve 3 is installed in connecting flange 4, and one end of sleeve 3 is fixed on connecting flange 4 by mounting flange, the sleeve 3
Stretching out in the end set of one end of connecting flange 4 has tapered sleeve 10, and tapered sleeve 10 is threaded in the end of sleeve 3, the instruction
One end of bar 1 is threadedly coupled through tapered sleeve 10, sleeve 3 and lead ring 5 with loose gland 6, and the other end installation of indicating arm 1 is spacing
Piece 7, the banking stop 7 coordinate with limit switch 2, and ring position is sealed for showing；The sleeve 3 is stretched into connecting flange 4
One end is threadedly coupled with connecting flange 4；One end that the sleeve 3 is stretched into connecting flange 4 is contacted with lead ring 5, is set on contact surface
It is equipped with O-ring seals 11；The mounting flange includes mounting flange I 8 and mounting flange II 9, and described I 8 one end of mounting flange is stretched
Enter in connecting flange 4, mounting flange II 9 is arranged on I 8 side of mounting flange, by bolt by mounting flange I 8 and mounting flange
II 9 are fixed on connecting flange 4；The mounting flange I 8 is stretched on the outside of one end of connecting flange 4 and contacted with connecting flange 4, and
It is provided with O-ring seals 11；O-ring seals 11, the Method for Installation are provided between the mounting flange II 9 and mounting flange I 8
O-ring seals 11 are provided between orchid II 9 and sleeve 3；O-ring seals 11 are provided between the tapered sleeve 10 and indicating arm 1；Institute
Limit switch 2 is stated to be fixed on tapered sleeve 10 by stent 12.
Claims (8)
1. for the sealing ring position indicator of valve, including indicating arm (1), limit switch (2) and sleeve (3), its feature
It is：Sleeve (3) is installed in connecting flange (4), and one end of sleeve (3) is fixed on connecting flange by mounting flange
(4) on, the end set of one end that the sleeve (3) stretches out in connecting flange (4) has tapered sleeve (10), and tapered sleeve (10) is threadedly coupled
In the end of sleeve (3), one end of the indicating arm (1) passes through tapered sleeve (10), sleeve (3) and lead ring (5) and loose gland
(6) it is threadedly coupled, the other end installation banking stop (7) of indicating arm (1), the banking stop (7) coordinates with limit switch (2), uses
In display loose gland (6) position.
2. it is used for the sealing ring position indicator of valve as claimed in claim 1, it is characterised in that：The sleeve (3) is stretched
The one end entered in connecting flange (4) is threadedly coupled with connecting flange (4).
3. it is used for the sealing ring position indicator of valve as claimed in claim 1 or 2, it is characterised in that：The sleeve (3)
The one end stretched into connecting flange (4) is contacted with lead ring (5), and O-ring seals 11 are provided with contact surface.
4. it is used for the sealing ring position indicator of valve as claimed in claim 1, it is characterised in that：The mounting flange bag
Mounting flange I (8) and mounting flange II (9) are included, described I (8) one end of mounting flange is stretched into connecting flange (4), mounting flange
II (9) are arranged on mounting flange I (8) side, and mounting flange I (8) and mounting flange II (9) are fixed on connection method by bolt
On blue (4).
5. it is used for the sealing ring position indicator of valve as claimed in claim 4, it is characterised in that：The mounting flange I
(8) stretch on the outside of one end of connecting flange (4) and contacted with connecting flange (4), and be provided with O-ring seals (11).
6. it is used for the sealing ring position indicator of valve as described in claim 4 or 5, it is characterised in that：The Method for Installation
O-ring seals (11) are provided between blue II (9) and mounting flange I (8), are set between the mounting flange II (9) and sleeve (3)
It is equipped with O-ring seals (11).
7. it is used for the sealing ring position indicator of valve as claimed in claim 1, it is characterised in that：The tapered sleeve (10) with
O-ring seals (11) are provided between indicating arm (1).
8. it is used for the sealing ring position indicator of valve as claimed in claim 1, it is characterised in that：The limit switch
(2) it is fixed on by stent (12) on tapered sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355344.XU CN207316227U (en) | 2017-10-20 | 2017-10-20 | Sealing ring position indicator for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355344.XU CN207316227U (en) | 2017-10-20 | 2017-10-20 | Sealing ring position indicator for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316227U true CN207316227U (en) | 2018-05-04 |
Family
ID=62382184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721355344.XU Active CN207316227U (en) | 2017-10-20 | 2017-10-20 | Sealing ring position indicator for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207316227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735943A (en) * | 2019-10-26 | 2020-01-31 | 五洲阀门股份有限公司 | Valve seat position sensing device of hydroelectric valve |
-
2017
- 2017-10-20 CN CN201721355344.XU patent/CN207316227U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735943A (en) * | 2019-10-26 | 2020-01-31 | 五洲阀门股份有限公司 | Valve seat position sensing device of hydroelectric valve |
| CN110735943B (en) * | 2019-10-26 | 2021-07-23 | 五洲阀门股份有限公司 | Valve seat position sensing device of water and electricity valve |
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