CN105546127A - Positioning structure for opening position of valve in pipe - Google Patents
Positioning structure for opening position of valve in pipe Download PDFInfo
- Publication number
- CN105546127A CN105546127A CN201511034747.XA CN201511034747A CN105546127A CN 105546127 A CN105546127 A CN 105546127A CN 201511034747 A CN201511034747 A CN 201511034747A CN 105546127 A CN105546127 A CN 105546127A
- Authority
- CN
- China
- Prior art keywords
- valve
- indication piece
- valve rod
- enable possition
- hole
- 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.)
- Pending
Links
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
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a positioning structure for the opening position of a valve in a pipe. The positioning structure comprises an executor and a valve body. A worm wheel and a worm which are engaged with each other are arranged in an executor box body, the worm wheel is arranged on a valve rod, and the upper end of the valve rod penetrates out of the box body. A disc-shaped indicating part is concentrically arranged on the upper end surface of the valve rod and connected with the valve rod through a fixing nut. An indication disc is arranged between the indicating part and the box body, fixedly connected with the box body and concentric with the indicating part. The indicating part is directly fixed to an end surface of the valve rod, the problem of inaccuracy of the indication direction caused by vibration, collision, external force and other factors is avoided, and the indicating part directly reflects the accurate opening position of a valve plate of the valve in the pipe and is accurate in indication, so that the difficulty of maintenance and normal replacement of components is lowered. Parts are omitted, the valve rod is short, the indicating part is a common stamped piece, and the cost is reduced.
Description
Technical field
The invention belongs to valve device field, especially pipeline inner valve enable possition position structure.
Background technique
Butterfly valve needs indication piece is installed to determine the position of tab (s) butterfly plate, and then determine the opening state of valve, in the prior art, as shown in Figure 1, 2, indication piece 4 is fixed on the radial direction of valve rod 3, due to reasons such as vibration, collision, external force, make the direction indication of pointer inaccurate, be difficult to the definite enable possition determining valve plate inside pipeline, cause maintenance and the normal difficulty changing parts, when especially having uncertain material in pipeline, during the opening angle of the valve plate that needs to know for sure, the defect of this structure is just apparent.
Summary of the invention
In view of this, the present invention is intended to propose pipeline inner valve enable possition position structure, and low to solve indication piece instruction degree of accuracy in prior art, maintenance difficulty is large, ineffective problem.
For achieving the above object, technological scheme of the present invention is achieved in that
Pipeline inner valve enable possition position structure, comprise valve body and be fixed on the final controlling element on described valve body, described final controlling element comprises casing, intermeshing worm gear and worm screw is provided with in described casing, described worm gear is arranged on valve rod, described valve rod lower end is stretched in valve body through described casing, and upper end passes described cabinet arrangement; Discoid indication piece is concentrically disposed on the upper-end surface of described valve rod, is connected with described valve rod by several set screw nuts; Establish indicator panel between described indication piece and described casing, described indicator panel and described casing be connected, with described indication piece arranged concentric.
Further, the edge of described indication piece is provided with nadel.
Further, described set screw has two, and the shaft axis about described indication piece is arranged symmetrically with.
Further, described indication piece has the first through hole and the second through hole, described two set screws lay respectively in described first through hole and the second through hole, and described first through hole is slotted hole, for adjusting the position of nadel.
Further, face, described indication piece top is provided with pointer mark trace, and the tip of described pointer mark trace is corresponding with described nadel.
Further, described indicator panel is provided with two position instruction projections, and the angle of instruction projection center, described two positions and the described indication piece line of centres is 90 °.
Further, also comprise controller, described worm screw is connected with motor through retarder, and described motor is connected with controller, and described retarder and motor are positioned at described casing.
Relative to prior art, pipeline inner valve enable possition of the present invention position structure has following advantage: indication piece is directly fixed on the end face of valve rod, avoid due to reasons such as vibration, collision, external force, make the inaccurate problem of direction indication, the definite enable possition of valve plate inside direct reacting pipe, instruction accurately, reduces maintenance and the normal difficulty changing parts; Eliminate part, save cost.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the scheme of installation of indication piece in prior art;
Fig. 2 is the installation plan view of indication piece in prior art;
Fig. 3 is general illustration of the present invention;
Fig. 4 is the installation plan view of indication piece of the present invention;
In figure: 1-valve body, 2-final controlling element, 21-worm gear, 22-worm screw, 23-casing, 3-valve rod, 4-indication piece, 41-first through hole, 42-second through hole, 43-pointer mark trace, 44-nadel, 5-indicator panel, 6-controller, 7-set screw nut.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood by concrete condition.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 3,4, pipeline inner valve enable possition position structure, the final controlling element 2 comprising valve body 1 and be fixed on valve body 1, final controlling element comprises casing 23, intermeshing worm gear 21 and worm screw 22 is provided with in casing 23, worm gear 21 is arranged on valve rod 3, and valve rod 3 lower end is stretched in valve body 1 through casing 23, and upper end passes casing 23 and arranges; Discoid indication piece 4 is concentrically disposed on the upper-end surface of valve rod 3, is connected with valve rod 3 by several set screw nuts 7; Establish indicator panel 5 between indication piece 4 and casing 23, indicator panel 5 and casing 23 be connected, with indication piece 4 arranged concentric; Also comprise controller 6, worm screw 22 is connected with motor through retarder, and motor is connected with controller 6, and retarder and motor are positioned at casing 23.
The edge of indication piece 4 is provided with nadel 44; Set screw 7 has two, and the shaft axis about indication piece 4 is arranged symmetrically with; Indication piece 4 has the first through hole 41 and the second through hole 42, two set screws 7 lay respectively in the first through hole 41 and the second through hole 42, the first through hole 41 is slotted hole, for adjusting the position of nadel 44.
Face, indication piece 4 top is provided with pointer mark trace 43, and the tip of pointer mark trace 43 is corresponding with nadel 44; Indicator panel 5 is provided with two position instruction projections, and the angle of instruction projection center, two positions and indication piece 4 line of centres is 90 °.
Indication piece 4 is directly fixed on the end face of valve rod 3 by the present invention, avoid due to reasons such as vibration, collision, external force, make the inaccurate problem of direction indication, accurately can determine the definite enable possition of valve plate inside pipeline, reduce maintenance and the normal difficulty changing parts.To present invention eliminates in prior art radial rubber cuff required when installing pointer, the length of valve rod 3 is also shorter, and indication piece 4 is common stamping part, compared with prior art pointer, has saved cost.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. pipeline inner valve enable possition position structure, comprise valve body (1) and be fixed on the final controlling element (2) on described valve body (1), it is characterized in that: described final controlling element comprises casing (23), intermeshing worm gear (21) and worm screw (22) is provided with in described casing (23), described worm gear (21) is arranged on valve rod (3), described valve rod (3) lower end is stretched in valve body (1) through described casing (23), and upper end passes described casing (23) and arranges; Discoid indication piece (4) is concentrically disposed on the upper-end surface of described valve rod (3), is connected with described valve rod (3) by several set screw nuts (7); Establish indicator panel (5) between described indication piece (4) and described casing (23), described indicator panel (5) and described casing (23) be connected, with described indication piece (4) arranged concentric.
2. pipeline inner valve enable possition according to claim 1 position structure, is characterized in that: the edge of described indication piece (4) is provided with nadel (44).
3. pipeline inner valve enable possition according to claim 2 position structure, it is characterized in that: described set screw (7) has two, the shaft axis about described indication piece (4) is arranged symmetrically with.
4. pipeline inner valve enable possition according to claim 3 position structure, it is characterized in that: described indication piece (4) has the first through hole (41) and the second through hole (42), described two set screws (7) lay respectively in described first through hole (41) and the second through hole (42), and described first through hole (41) is slotted hole.
5. pipeline inner valve enable possition according to claim 3 position structure, it is characterized in that: described indication piece (4) face, top is provided with pointer mark trace (43), the tip of described pointer mark trace (43) is corresponding with described nadel (44).
6. the pipeline inner valve enable possition position structure according to any one of claim 1-5, it is characterized in that: described indicator panel (5) is provided with two position instruction projections, and the angle of instruction projection center, described two positions and described indication piece (4) line of centres is 90 °.
7. the pipeline inner valve enable possition position structure according to any one of claim 1-5, it is characterized in that: also comprise controller (6), described worm screw (22) is connected with motor through retarder, described motor is connected with controller (6), and described retarder and motor are positioned at described casing (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034747.XA CN105546127A (en) | 2015-12-31 | 2015-12-31 | Positioning structure for opening position of valve in pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034747.XA CN105546127A (en) | 2015-12-31 | 2015-12-31 | Positioning structure for opening position of valve in pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105546127A true CN105546127A (en) | 2016-05-04 |
Family
ID=55825540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511034747.XA Pending CN105546127A (en) | 2015-12-31 | 2015-12-31 | Positioning structure for opening position of valve in pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105546127A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3239616A (en) * | 1964-05-05 | 1966-03-08 | Crane Co | Valve indicator and limit switch combination |
| DE2725415A1 (en) * | 1976-04-22 | 1978-12-14 | Otto Nitzschke | Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve |
| CN2418309Y (en) * | 2000-04-03 | 2001-02-07 | 赵雷 | Butterfly valve |
| CN201731157U (en) * | 2010-04-13 | 2011-02-02 | 如皋透平叶片制造有限公司 | Rotary gearbox of valve part |
| CN202432102U (en) * | 2012-01-05 | 2012-09-12 | 自贡高压阀门股份有限公司 | Waterproof valve position indicator |
| CN203757147U (en) * | 2014-03-18 | 2014-08-06 | 江苏江洲阀门制造有限公司 | Oil conveying pipe control valve with worm wheel and worm structure |
-
2015
- 2015-12-31 CN CN201511034747.XA patent/CN105546127A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3239616A (en) * | 1964-05-05 | 1966-03-08 | Crane Co | Valve indicator and limit switch combination |
| DE2725415A1 (en) * | 1976-04-22 | 1978-12-14 | Otto Nitzschke | Position indicator for passage valves in pipelines - uses helical single ball track to drive indicator hub on valve |
| CN2418309Y (en) * | 2000-04-03 | 2001-02-07 | 赵雷 | Butterfly valve |
| CN201731157U (en) * | 2010-04-13 | 2011-02-02 | 如皋透平叶片制造有限公司 | Rotary gearbox of valve part |
| CN202432102U (en) * | 2012-01-05 | 2012-09-12 | 自贡高压阀门股份有限公司 | Waterproof valve position indicator |
| CN203757147U (en) * | 2014-03-18 | 2014-08-06 | 江苏江洲阀门制造有限公司 | Oil conveying pipe control valve with worm wheel and worm structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102788547A (en) | Measuring device for mounting angles of blades of axial flow fan | |
| CN103822567B (en) | The dish conical surface gauge cross section of valve is to the range observation device and method of dish end face | |
| CN104215373A (en) | Motor torque testing device and motor torque testing method | |
| CN104111014A (en) | Dimension measuring device | |
| CN105546127A (en) | Positioning structure for opening position of valve in pipe | |
| CN1536586B (en) | Dial scale display type measuring instrument and dial scale measuring instrument with rotetion less than one circle | |
| CN103522226A (en) | Universal floating mechanism | |
| CN105403127A (en) | Adjusting method for division error of angle measuring equipment | |
| CN205479669U (en) | Accurate butterfly valve of instructing aperture | |
| CN203731987U (en) | Steam turbine differential expansion and valve location instrument calibration device | |
| CN203615867U (en) | Clearance measuring instrument | |
| CN202836407U (en) | Elastic coupler shape and position detection device | |
| CN204115932U (en) | Spring torsion tester | |
| CN205228822U (en) | Bearing installation accuracy testing device | |
| CN209263852U (en) | A kind of raceway width measuring tool and Automobile Parts Inspection device | |
| CN219415979U (en) | Quick detection jig for hole site of hydraulic valve block | |
| CN220227992U (en) | Electric control actuator with angle measuring element | |
| CN204165465U (en) | External tooth device for detecting symmetry degree in a kind of | |
| CN106363598B (en) | Sign frock | |
| CN207982932U (en) | A kind of optical fiber tool setting device | |
| KR20150130110A (en) | Sight indicate flow meter | |
| CN109703364A (en) | A kind of fit structure and mode of gauge pointer and motor | |
| CN112697022B (en) | Small module gear backlash detection method | |
| CN203037179U (en) | Spring scale for checking straight stroke regulating valve | |
| CN218169374U (en) | Shaft coupling alignment instrument for pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |
|
| RJ01 | Rejection of invention patent application after publication |