CN106523776A - Valve manual driving device with limiting switch - Google Patents
Valve manual driving device with limiting switch Download PDFInfo
- Publication number
- CN106523776A CN106523776A CN201611103244.8A CN201611103244A CN106523776A CN 106523776 A CN106523776 A CN 106523776A CN 201611103244 A CN201611103244 A CN 201611103244A CN 106523776 A CN106523776 A CN 106523776A
- Authority
- CN
- China
- Prior art keywords
- limit switch
- sealing gasket
- indicator board
- driving device
- manual driving
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- 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
Abstract
The invention discloses a valve manual driving device with a limiting switch. The valve manual driving device comprises a worm wheel, an indication plate and a limiting switch box. The indication plate is located between the worm wheel and the limiting switch box. The periphery of the indication plate is fixedly connected with the worm wheel through threads. The middle of the indication plate is connected with the limiting switch in the limiting switch box through a limiting switch transmission shaft. A transition iron plate and sealing gaskets located on the upper surface and the lower surface of the transition iron plate are further mounted between the worm wheel and the indication plate. In this way, the valve manual driving device is simple and reasonable in structure, the valve state can be transmitted to the limiting switch in the limiting switch box, the valve state can be observed conveniently at the same time, and the device has good dust prevention and water resistant properties.
Description
Technical field
The present invention relates to valve matched device field, more particularly to a kind of valve manual actuation dress of dress limit switch
Put.
Background technology
In some operating modes, for the monitoring state to valve, need to install on the worm gear of valve actuator
Limit switch box（Information transmitter）, for the state that is turned on and off of valve is remotely passed to monitoring station by circuit, valve
Action drives the contact action of spacing exploitation, so as to provide electric signal.But worm gear and limit switch box（Information transmitter）Connection
Can there is certain gap in place, can be directed at dust or water from the gap into being located in worm gear, make the valve rod in worm gear get dirty,
Get rusty, so as to affect driving means overall performance, or even the service life for affecting driving means.
The content of the invention
The invention mainly solves the technical problem of a kind of valve manual driving device of dress limit switch is provided, can be by valve shape
State transmits the limit switch to limit switch box, while be easy to observe the state of valve, and with good dustproof and waterproof
Performance.
To solve above-mentioned technical problem, one aspect of the present invention is：A kind of valve of dress limit switch is provided
Door manual driving device, including：Worm gear, indicator board and limit switch box, the indicator board are located at the worm gear and limit switch
Between box, its surrounding is fixedly connected with the worm gear by screw, spacing is opened with described by limit switch power transmission shaft in the middle part of which
The limit switch connection in box is closed, and transition iron plate is also equipped between the worm gear and indicator board and the transition iron is located at
The sealing gasket of plate upper and lower surface.
In a preferred embodiment of the present invention, one end of the limit switch power transmission shaft is extend into positioned at the indicator board
Middle through-hole in, the other end is extend in the limit switch box.
In a preferred embodiment of the present invention, the first sealing gasket, institute are installed between the transition iron plate and indicator board
State and the second sealing gasket is installed between transition iron plate and turbine, the indicator board, the first sealing gasket, transition iron plate, the second sealing
The periphery of pad offers the screw hole mutually ganged up, the indicator board, the first sealing gasket, transition iron plate, the second sealing gasket respectively
Pass sequentially through screw from top to down to be arranged on the end face of the worm gear.
In a preferred embodiment of the present invention, the diameter of the transition iron plate, the first sealing gasket and the second sealing gasket with
Turbine end face equal diameters.
In a preferred embodiment of the present invention, the indicator board with diameter greater than turbine end face diameter.
In a preferred embodiment of the present invention, the upper surface of the indicator board is provided with valve state arrow.
The invention has the beneficial effects as follows：Present configuration advantages of simple, will be provided with instruction by limit switch power transmission shaft
The worm gear of the valve actuator of plate is connected with limit switch box, so that valve state precise delivery is to positioned at limit switch box
Interior limit switch, while the state of valve also can be conveniently observed by indicator board, is also pacified between indicator board and worm gear in addition
Equipped with transition iron plate and sealing gasket, dust or water can be prevented effectively from and entered in worm gear by the through hole in the middle part of indicator board, it is to avoid position
Get dirty or get rusty in the valve rod hand of worm gear, so as to improve the overall performance of driving means, extend its service life.
Description of the drawings
Fig. 1 is a kind of structural representation of one preferred embodiment of valve manual driving device of dress limit switch of the present invention；
Fig. 2 is the structural representation of the indicator board shown in Fig. 1；
In accompanying drawing, the mark of each part is as follows：1st, worm gear, 2, indicator board, 3, limit switch box, 4, transition iron plate, the 5, first sealing
Pad, the 6, second sealing gasket, 7, limit switch power transmission shaft, 8, screw, 21, through hole, 22, arrow.
Specific embodiment
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent clearly defines so as to make to protection scope of the present invention.
Fig. 1 and Fig. 2 is referred to, the embodiment of the present invention includes：
A kind of valve manual driving device of dress limit switch, including：Worm gear 1, indicator board 2 and limit switch box 3, the instruction
The surrounding of plate 2 is fixedly mounted on the end face of worm gear 1 by screw 8, and the middle part of the indicator board 2 offers through hole 21, spacing
One end of switch power transmission shaft 7 is extend in the through hole 21, and the other end is extend in the limit switch box 3, by the instruction
Plate 2 is connected with limit switch box 3,2 synchronous axial system of worm gear 1 and indicator board of valve actuator, and spacing can be opened by described
Close power transmission shaft 7 worm gear wheel is synchronized on the limit switch in limit switch switch enclosure 3, so that limit switch can be received
The state of valve.
And transition iron plate 4 is also equipped between the worm gear 1 and indicator board 2 and the transition iron plate upper and lower surface is located at
Sealing gasket；Preferably, the first sealing gasket 5, the transition iron plate 4 and whirlpool are installed between the transition iron plate 4 and indicator board 2
Second sealing gasket 6, the indicator board 2, the first sealing gasket 5, transition iron plate 4, the periphery of the second sealing gasket 6 are installed between wheel 1
Offer the screw hole mutually ganged up respectively, the indicator board 2, the first sealing gasket 5, transition iron plate 4, the second sealing gasket 6 are from upper
And under pass sequentially through screw 8 installed in the worm gear 1 end face on, so as to improve the dustproof and waterproof of the driving means
Can, it is prevented effectively from the through hole 21 from the middle part of indicator board 2 such as dust or rainwater and enters in worm gear 1, the valve rod in worm gear 1 is caused
Damage.
Wherein, the diameter of the transition iron plate 4, the first sealing gasket 5 and the second sealing gasket 6 is equal with 1 end face diameter of turbine；
The indicator board 2 with diameter greater than 1 end face diameter of turbine.
The upper surface of the indicator board 2 is provided with valve state arrow 22, and the worm gear of valve actuator stops
When, the valve state arrow 22 is indicated on the CLOSE labels on driving means case lid, when worm gear 1 starts to rotate, meeting
It is synchronous to drive indicator board 2 to rotate, make arrow point to the OPEN labels on driving means case lid, so as to can also facilitate operator
It was observed that the running status of valve.
Present invention is disclosed a kind of valve manual driving device of dress limit switch, will be installed by limit switch power transmission shaft
The worm gear for having the valve actuator of indicator board is connected with limit switch box, so that valve state precise delivery is spacing to being located at
Limit switch in switch enclosure, while the state of valve also can be conveniently observed by indicator board, in addition indicator board and worm gear it
Between be also equipped with transition iron plate and sealing gasket, dust or water can be prevented effectively from and entered in worm gear by the through hole in the middle part of indicator board,
Avoid the valve rod hand positioned at worm gear from getting dirty or get rusty, so as to improve the overall performance of driving means, extend its service life.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (6)
1. it is a kind of dress limit switch valve manual driving device, it is characterised in that include：Worm gear, indicator board and limit switch
Box, the indicator board are located between the worm gear and limit switch box, and its surrounding is fixedly connected with the worm gear by screw, its
Middle part is connected with the limit switch in the limit switch box by limit switch power transmission shaft, and the worm gear and indicator board it
Between be also equipped with transition iron plate and the sealing gasket positioned at the transition iron plate upper and lower surface.
2. it is according to claim 1 dress limit switch valve manual driving device, it is characterised in that the limit switch
One end of power transmission shaft is extend in the middle through-hole of the indicator board, and the other end is extend in the limit switch box.
3. it is according to claim 1 dress limit switch valve manual driving device, it is characterised in that the transition iron plate
First sealing gasket is installed between indicator board, the second sealing gasket, the instruction are installed between the transition iron plate and turbine
Plate, the first sealing gasket, transition iron plate, the periphery of the second sealing gasket offer the screw hole mutually ganged up respectively, the indicator board,
First sealing gasket, transition iron plate, the second sealing gasket pass sequentially through screw from top to down and are arranged on the end face of the worm gear.
4. it is according to claim 1 dress limit switch valve manual driving device, it is characterised in that the transition iron
Plate, the diameter of the first sealing gasket and the second sealing gasket and turbine end face equal diameters.
5. it is according to claim 1 dress limit switch valve manual driving device, it is characterised in that the indicator board
With diameter greater than turbine end face diameter.
6. it is according to claim 1 dress limit switch valve manual driving device, it is characterised in that the indicator board
Upper surface is provided with valve state arrow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103244.8A CN106523776A (en) | 2016-12-05 | 2016-12-05 | Valve manual driving device with limiting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103244.8A CN106523776A (en) | 2016-12-05 | 2016-12-05 | Valve manual driving device with limiting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523776A true CN106523776A (en) | 2017-03-22 |
Family
ID=58354758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611103244.8A Pending CN106523776A (en) | 2016-12-05 | 2016-12-05 | Valve manual driving device with limiting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523776A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003240156A (en) * | 2002-02-19 | 2003-08-27 | Tomoe Tech Res Co | Opening indicating device of rotary valve |
| CN201071978Y (en) * | 2007-04-12 | 2008-06-11 | 陈成玉 | Locating type valve gear box switch |
| CN202432100U (en) * | 2011-12-19 | 2012-09-12 | 苏州工业园区思达德机械自控有限公司 | Valve actuator with remote monitoring function |
| CN202733140U (en) * | 2012-07-25 | 2013-02-13 | 淄博汇华阀业有限公司 | Manual head |
| CN204459401U (en) * | 2015-03-04 | 2015-07-08 | 英诺威阀业有限公司 | A kind of freedom from repairs full waterproof type turning valve drive unit |
| CN204573297U (en) * | 2015-04-02 | 2015-08-19 | 上海埃维玛阀门有限公司 | A kind of valve high pulling torque single-stage worm gear |
| CN206280595U (en) * | 2016-12-05 | 2017-06-27 | 常熟市虞菱机械有限责任公司 | A kind of valve manual driving device for filling limit switch |
-
2016
- 2016-12-05 CN CN201611103244.8A patent/CN106523776A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003240156A (en) * | 2002-02-19 | 2003-08-27 | Tomoe Tech Res Co | Opening indicating device of rotary valve |
| CN201071978Y (en) * | 2007-04-12 | 2008-06-11 | 陈成玉 | Locating type valve gear box switch |
| CN202432100U (en) * | 2011-12-19 | 2012-09-12 | 苏州工业园区思达德机械自控有限公司 | Valve actuator with remote monitoring function |
| CN202733140U (en) * | 2012-07-25 | 2013-02-13 | 淄博汇华阀业有限公司 | Manual head |
| CN204459401U (en) * | 2015-03-04 | 2015-07-08 | 英诺威阀业有限公司 | A kind of freedom from repairs full waterproof type turning valve drive unit |
| CN204573297U (en) * | 2015-04-02 | 2015-08-19 | 上海埃维玛阀门有限公司 | A kind of valve high pulling torque single-stage worm gear |
| CN206280595U (en) * | 2016-12-05 | 2017-06-27 | 常熟市虞菱机械有限责任公司 | A kind of valve manual driving device for filling limit switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |