CN204628780U - Safety check flap position display unit - Google Patents
Safety check flap position display unit Download PDFInfo
- Publication number
- CN204628780U CN204628780U CN201520298205.2U CN201520298205U CN204628780U CN 204628780 U CN204628780 U CN 204628780U CN 201520298205 U CN201520298205 U CN 201520298205U CN 204628780 U CN204628780 U CN 204628780U
- Authority
- CN
- China
- Prior art keywords
- valve body
- flap
- rotating shaft
- display unit
- safety check
- 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.)
- Expired - Fee Related
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- Check Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a kind of safety check flap position display unit, comprise valve body, spiral arm and flap, wherein spiral arm is articulated in valve body, flap is installed on cantilever, and in valve body, slotted link mechanism being installed, valve body outside is provided with angle transducer, and valve body is equipped with rotating shaft, slotted link mechanism connects spiral arm and rotating shaft, and rotating shaft connects angle transducer.The utility model increases angle transducer and is indirectly connected with flap outside described valve body, and the opening information of flap is fed back by the mode of angle transducer curtage the most at last, and structure is simple, reliable.
Description
Technical field
The utility model relates to a kind of architecture advances of valve, is specifically related to a kind of safety check flap position display unit.
Background technique
Safety check of the prior art as shown in Figure 1, comprise valve body 1, flap 2 and cantilever 3, valve body 1 is separated into the first chamber 4 communicated with entrance 4a and the second chamber 6 communicated with outlet 6a by flap 2, and final controlling element rotary valve rod 5 drives flap 2 to be optionally communicated with or cuts off the first chamber 4 and the second chamber 6.
During use, fluid flows into the first chamber 4 by entrance 4a, and promote flap 2 and upwards rotate, the first chamber 4 is communicated with the second chamber 6, makes fluid enter the second chamber 6, and flows out this valve from outlet outlet 6a.When passing through without forward fluid, when direction is from the inlet to the outlet without fluid or when there is retrograde fluid, because flap 2 has certain inclination angle, can fall back under gravity, the fast automatic passage enclosed between the first chamber 4 and the second chamber 6, makes fluid can not blow back into the first chamber 4 from the second chamber 6.
When valve normally works, because valve rod and flap are limited flexibly connecting, cannot accurately be judged to be sealed in the open position of flap in valve body by the rotation angle of valve rod.In safety check application, how correctly to feed back flap position information during valve working, become as related domain technical problem urgently to be resolved hurrily.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of safety check flap position display unit correctly feeding back flap position when valve working.
Technological scheme: for solving the problems of the technologies described above, the safety check flap position display unit that the utility model provides, comprise valve body, spiral arm and flap, described spiral arm is articulated in valve body, and described flap is installed on cantilever, is provided with slotted link mechanism in described valve body, described valve body outside is provided with angle transducer, described valve body is equipped with rotating shaft, and described slotted link mechanism connects spiral arm and rotating shaft, and described rotating shaft connects angle transducer.
Particularly, described slotted link mechanism comprises first connecting rod and second connecting rod, described first connecting rod and spiral arm hinged, described second connecting rod is fixedly connected with rotating shaft.
Particularly, be provided with fixed axle sleeve in described valve body, described rotating shaft is installed in fixed axle sleeve.
Particularly, between described rotating shaft and valve body, Expanded graphite and gland are installed.
During use, and the rotation of flap can drive the rotation of slotted link mechanism, and then is shown by angle transducer.
Beneficial effect: the utility model increases angle transducer and is indirectly connected with flap outside described valve body, and the opening information of flap is fed back by the mode of angle transducer curtage the most at last.By the acting in conjunction of slotted link mechanism, fixed axle sleeve, final controlling element, angle transducer, solve the problem correctly cannot knowing flap position information when valve normally works.Its structure is simple, reliable in action, accuracy of reading.
Except technical problem, the technical characteristics forming technological scheme and the advantage brought by the technical characteristics of these technological schemes that the utility model recited above solves, the advantage that the other technologies feature comprised in the other technologies problem that safety check flap position display unit of the present utility model can solve, technological scheme and these technical characteristicss bring, will be described in more detail by reference to the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing check valve system;
Fig. 2 is the structural representation under the utility model embodiment closure of check ring state;
Fig. 3 is the sectional view of Fig. 2 opening state;
Fig. 4 is the external structure schematic diagram of Fig. 3.
Embodiment
Embodiment:
The safety check flap position display unit of the present embodiment as shown in Figure 2, be installed on the valve body that is made up of flap 1, valve seat 2, valve rod 3, cantilever 4, seal ring 5, valve gap 6 and four cyclizations 7, its slotted link mechanism 8 is positioned at valve body, comprise the first connecting rod being connected to cantilever 4, and being connected to the second connecting rod of rotating shaft, rotating shaft connects with the angle transducer outside valve body.
As shown in Figure 3, when flap is opened, the first connecting rod of slotted link mechanism drives second connecting rod to swing, and the aperture of flap is transformed the rotation angle of second connecting rod end.Valve inner is divided into the first chamber 16 communicated with entrance 16a and the second chamber 17 communicated with 17a by flap.
As shown in Figure 4, angle transducer 11 is installed on outside valve body by support 13, is connected to the slotted link mechanism in valve body by rotating shaft, is provided with fixed axle sleeve 9 in valve body, and its end has cover plate 14, is provided with rotating shaft in fixed axle sleeve 9.Be embedded with Expanded graphite 10 between rotating shaft and valve body, there is outside rotating shaft gland 12, the shaft sealer of composition axle graphite packing.
Final controlling element 15 is connected with valve rod, ovable valve stem can be with to rotate, and then drive flap to rotate within the specific limits, be used for being communicated with or cutting off the first chamber and the second chamber, and the rotation of flap can drive the rotation of the slotted link mechanism be installed on cantilever, finally the angle of swing angle transducer of flap is fed back.
Native system comprises the following steps when performing:
The first step, opens solenoid valve, passes into work source of the gas to cylinder, final controlling element torsion drive under, valve rod rotates to an angle, because valve rod and flap flexibly connect, so time flap without rotation, angle transducer feeds back the closing angle position of now flap.
Second step, pipeline passes into fluid, after hydrodynamic pressure constantly increases, flap can be backed down, now flap upwards overturns, and cantilever drives slotted link mechanism to rotate, the angle of swing of slotted link mechanism feeds back on angle transducer, and this angle is the opening angle position of flap.
3rd step, when pipeline fluid adverse current, due to the non-return structure of flap, now flap can be closed rapidly, cantilever drives the rotation of slotted link mechanism, and the angle of swing of slotted link mechanism feeds back on angle transducer, and this angle is the angular orientation that flap gets back to closed condition.
From said process, the angle transducer outside valve body is connected indirectly with flap, finally the mode of the opening information of flap by angle transducer curtage can be fed back, and structure is simple, reliable.
The above mode of execution is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model.For persons skilled in the art, under the prerequisite not deviating from the utility model principle and spirit, to any apparent change done by it, all should be contemplated as falling with within claims of the present utility model.
Claims (4)
1. a safety check flap position display unit, comprise valve body, spiral arm and flap, described spiral arm is articulated in valve body, described flap is installed on cantilever, it is characterized in that: be provided with slotted link mechanism in described valve body, described valve body outside is provided with angle transducer, and described valve body is equipped with rotating shaft, described slotted link mechanism connects spiral arm and rotating shaft, and described rotating shaft connects angle transducer.
2. safety check flap position display unit according to claim 1, is characterized in that: described slotted link mechanism comprises first connecting rod and second connecting rod, described first connecting rod and spiral arm hinged, described second connecting rod is fixedly connected with rotating shaft.
3. safety check flap position display unit according to claim 2, it is characterized in that: be provided with fixed axle sleeve in described valve body, described rotating shaft is installed in fixed axle sleeve.
4. safety check flap position display unit according to claim 1, is characterized in that: be provided with Expanded graphite and gland between described rotating shaft and valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520298205.2U CN204628780U (en) | 2015-05-11 | 2015-05-11 | Safety check flap position display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520298205.2U CN204628780U (en) | 2015-05-11 | 2015-05-11 | Safety check flap position display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628780U true CN204628780U (en) | 2015-09-09 |
Family
ID=54047810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520298205.2U Expired - Fee Related CN204628780U (en) | 2015-05-11 | 2015-05-11 | Safety check flap position display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715834A (en) * | 2016-04-26 | 2016-06-29 | 苏州纽威阀门股份有限公司 | Swing type check valve |
| CN109990330A (en) * | 2017-12-29 | 2019-07-09 | 青岛海尔智慧厨房电器有限公司 | A kind of the smoke machine control method and integrated kitchen range of integrated kitchen range |
-
2015
- 2015-05-11 CN CN201520298205.2U patent/CN204628780U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715834A (en) * | 2016-04-26 | 2016-06-29 | 苏州纽威阀门股份有限公司 | Swing type check valve |
| CN109990330A (en) * | 2017-12-29 | 2019-07-09 | 青岛海尔智慧厨房电器有限公司 | A kind of the smoke machine control method and integrated kitchen range of integrated kitchen range |
| CN109990330B (en) * | 2017-12-29 | 2020-12-01 | 青岛海尔智慧厨房电器有限公司 | Smoke machine control method of integrated cooker and integrated cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20210511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |