CN2874150Y - Hand butterfly valve with automatic warning device when switch is in position - Google Patents
Hand butterfly valve with automatic warning device when switch is in position Download PDFInfo
- Publication number
- CN2874150Y CN2874150Y CN 200620029842 CN200620029842U CN2874150Y CN 2874150 Y CN2874150 Y CN 2874150Y CN 200620029842 CN200620029842 CN 200620029842 CN 200620029842 U CN200620029842 U CN 200620029842U CN 2874150 Y CN2874150 Y CN 2874150Y
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- CN
- China
- Prior art keywords
- switch
- butterfly valve
- automatic warning
- warning device
- electrical source
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- 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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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to a manual butterfly valve with an automatic alarming unit when a switch is set in place. This utility model comprises a shell body, a worm, a worm wheel, a hand wheel, a flashboard, an indicating device for position limiting in start-up and an indicating device for position limiting in shut-down. An automatic alarming unit for the switch in place (11) and an acousto-optic alarming device (12) composed of a LED and a buzzer (BL) are connected with an external thread of a hollow nuts (6 and 9) in the indicating device for position limiting in start-up/shut-down (5 and 10); one end of the aforesaid acousto-optic alarming device (12) is connected with the positive pole of DC power source (E); the other end of the aforesaid acousto-optic alarming device (12) is connected with the negative pole of DC power source (E). When the position limiting rods (7 and 8) of the indicating device for position limiting in start-up/shut-down (5 and 10) extend out of the tactile switch (K), the circuit connects and automatically produces the acousto-optic alarm. This utility model can be conveniently operated regardless of day or night, indoor or outdoor, so that the production safety can be ensured.
Description
Technical field
The utility model relates to a kind of butterfly valve, particularly relates to a kind of Hand-operated butterfly valve that has automatic warning device when switch is in position.
Background technique
Butterfly valve is a valve commonly used in the industrial production, has obtained extensive use on general industries such as oil, coal gas, chemical industry, water treatment.Common butterfly valve mainly is made of valve body and handwheel transmission device, and generally as the technology cut-off valve of fluid line, its reliable opening and closing all play important guaranteeing role to field personnel's safety operation and industrial safe operation.Industrial the most frequently used butterfly valve is a Hand-operated butterfly valve, and it is simple in structure, volume is little, in light weight, only is made up of a few parts, and only needs half-twist to get final product fast opening and closing, and simple to operate, this valve has good fluid control characteristic simultaneously.The transmission device of Hand-operated butterfly valve mainly is made up of a pair of worm and gear, is in the outer handwheel of valve body and is connected with worm screw in the valve body, rotates handwheel and makes worm screw drive worm gear, and worm gear drives the opening and closing of the flashboard realization valve of its below by valve rod.In number of patent application is 200620029783.7 patent application, a kind of Hand-operated butterfly valve that has spacing indicating device is provided, this butterfly valve improves original caging bolt, when the rotation handwheel makes valve opening or cuts out, the indicating arm that worm gear nipper or back tooth can promote in the spacing indicating device stretches out outside housing, by the spacing mark on the indicating arm, whether the flashboard that can grasp intuitively in the valve has opened or has been closed to limit position, avoid being rotated further handwheel and cause the damage of worm-gear tooth or the damage of housing because of excessive operation, can improve valve working life effectively, ensure the safe operation of producing, reduce production costs.But this technology also has the following disadvantages, and promptly ought be subjected to the restriction of butterfly valve mounting point, or when working environment light is dark, is not easy to observe the spacing mark of indicating arm, makes troubles to operation.
Summary of the invention
The utility model technical issues that need to address are: in order to overcome the restriction because of the mounting point of the Hand-operated butterfly valve that has spacing indicating device, or when light is dark, be not easy to observe the problem of the spacing mark of indicating arm, a kind of Hand-operated butterfly valve that has automatic warning device when switch is in position is provided, when making worm gear turn to the limit position of opening or closing, can send the warning indication that switch puts in place automatically.
Technical solution adopted in the utility model is: a kind of Hand-operated butterfly valve that has automatic warning device when switch is in position, by housing, worm screw, worm gear, handwheel, flashboard and the spacing indicating device of unlatching, close compositions such as spacing indicating device, open (closing) spacing indicating device by hollow bolt, indicating arm, spring, the shelves cap constitutes, the characteristics of the technical program are, on the outside thread of the hollow bolt outer end of opening (closing) spacing indicating device, be connected with automatic warning device when switch is in position, described automatic warning device when switch is in position, compose in parallel sound and light alarm device by a tutorial light and a buzzer, one end of described sound and light alarm device is connected with the positive electrical of DC electrical source by switch, the other end is connected with the negative electricity of DC electrical source, when the spacing indicating arm of spacing indicating device stretches out touch switch, circuit communication sends the acoustooptic alarm indication automatically.
The beneficial effects of the utility model are: when the rotation handwheel made valve opening or cuts out, the indicating arm in the spacing indicating device stretched out outside housing, indicating arm touch switch when worm gear turns to limit position, and circuit communication sends the acoustooptic alarm indication automatically.Overcome the restriction of the Hand-operated butterfly valve that has spacing indicating device because of the mounting point, or when light is dark, be not easy to observe the problem of the spacing mark of indicating arm, no matter indoor and outdoor, evening on daytime, all can operate quickly and easily, ensure the safe operation of producing.
Description of drawings
Fig. 1 is the butterfly valve structure schematic representation of prior art;
Fig. 2 is the utility model electrical principle schematic representation.
Embodiment
Referring to Fig. 1, a kind of Hand-operated butterfly valve that has automatic warning device when switch is in position, worm screw (2) is meshing with each other with worm gear (4), is in valve housing (3) inside, and the end of worm screw (2) links to each other with housing (3) handwheel (1) outward; On a side body relative with worm screw (2), front and back are equipped with unlatching spacing indicating device (5) respectively, are closed spacing indicating device (10).
Referring to Fig. 2, at the hollow bolt (6 of opening (closing) spacing indicating device, 9) be connected with automatic warning device when switch is in position (11) on the outside thread of outer end, described automatic warning device when switch is in position (11), compose in parallel sound and light alarm device (12) by a tutorial light (LED) and a buzzer (BL), one end of described sound and light alarm device (12) is connected with the positive electrical of DC electrical source (E) by switch (K), the other end is connected with the negative electricity of DC electrical source (E), when opening (closing) spacing indicating device (5,10) the spacing indicating arm (7 of unlatching (closing), when 8) stretching out touch switch (K), circuit communication sends the acoustooptic alarm indication of opening or closing automatically.
Described automatic warning device when switch is in position (11) is added with a warning time circuit, in this warning time circuit triode (VT is arranged
1), triode (VT
1) base stage through resistance (R
2), switch (K) is connected with DC electrical source (E) positive electrical, its collector electrode is electrically connected with sound and light alarm device (12), emitter is connected with DC electrical source (E) negative electricity; Triode (VT
2) base stage through resistance (R
3), (R
1), switch (K) is connected with DC electrical source (E) positive electrical, its collector electrode is connected to triode (VT
1) base stage, its emitter is connected with DC electrical source (E) negative electricity; The positive pole of capacitor (C) is connected on resistance (R
1), (R
3) contact (13) on, negative pole is connected with DC electrical source (E) negative electricity.When the rotation handwheel makes valve opening or cuts out, the indicating arm of opening in (cutting out) spacing indicating device (5,10) (7,8) stretches out outside housing, touch switch (K) when worm gear turns to unlatching (cutting out) limit position, when switch (K) is just closed, triode (VT
1) base stage be in high petential, be on state between collector electrode and emitter, sound and light alarm device (12) circuit communication, (LED) is luminous for tutorial light, buzzer (BL) is sounded, and sends the acoustooptic alarm signal; Meanwhile, DC electrical source is by resistance (R
1) to capacitor (C) charging, through resistance (R
1) and the charging delay circuit formed of capacitor (C), when the positive potential of capacitor (C) satisfies triode (VT
2) during the condition of conducting, triode (VT
2) conducting, strangulation triode (VT
1) base potential will be 0, triode (VT
1) end, tutorial light (LED) stops luminous, and buzzer (BL) stops to sound, and realization acoustooptic alarm signal timing is closed.
According to producing actual needs, described buzzer (BL) can be selected the voice suggestion chip for use.Described tutorial light (LED) can be selected light emitting diode for use.
Claims (4)
1. Hand-operated butterfly valve that has automatic warning device when switch is in position, by housing (3), worm screw (2), worm gear (4), handwheel (1), flashboard and unlatching spacing indicating device (5), close spacing indicating device compositions such as (10), it is characterized in that: opening (closing) spacing indicating device (5,10) hollow bolt (6,9) be connected with automatic warning device when switch is in position (11) on the outside thread of outer end, described automatic warning device when switch is in position (11), compose in parallel sound and light alarm device (12) by a tutorial light (LED) and a buzzer (BL), one end of described sound and light alarm device (12) is connected with the positive electrical of DC electrical source (E) by switch (K), the other end is connected with the negative electricity of DC electrical source (E), when opening (closing) spacing indicating device (5,10) the spacing indicating arm (7 of unlatching (closing), when 8) stretching out touch switch (K), circuit communication sends the acoustooptic alarm indication automatically.
2. the Hand-operated butterfly valve that has automatic warning device when switch is in position according to claim 1 is characterized in that: described automatic warning device when switch is in position (11) is added with a warning time circuit, in this warning time circuit triode (VT is arranged
1), triode (VT
1) base stage through resistance (R
2), switch (K) is connected with DC electrical source (E) positive electrical, its collector electrode is electrically connected with sound and light alarm device (12), emitter is connected with DC electrical source (E) negative electricity; Triode (VT
2) base stage through resistance (R
3), (R
1), switch (K) is connected with DC electrical source (E) positive electrical, its collector electrode is connected to triode (VT
1) base stage, its emitter is connected with DC electrical source (E) negative electricity; The positive pole of capacitor (C) is connected on resistance (R
1), (R
3) contact (13) on, negative pole is connected with DC electrical source (E) negative electricity.
3. the Hand-operated butterfly valve that has automatic warning device when switch is in position according to claim 1 and 2 is characterized in that: described buzzer (BL) can be the voice suggestion chip.
4. the Hand-operated butterfly valve that has automatic warning device when switch is in position according to claim 1 and 2 is characterized in that: described tutorial light (LED) can be light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620029842 CN2874150Y (en) | 2006-01-18 | 2006-01-18 | Hand butterfly valve with automatic warning device when switch is in position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620029842 CN2874150Y (en) | 2006-01-18 | 2006-01-18 | Hand butterfly valve with automatic warning device when switch is in position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2874150Y true CN2874150Y (en) | 2007-02-28 |
Family
ID=37780748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620029842 Expired - Fee Related CN2874150Y (en) | 2006-01-18 | 2006-01-18 | Hand butterfly valve with automatic warning device when switch is in position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2874150Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044661A (en) * | 2017-04-25 | 2017-08-15 | 广东美的厨房电器制造有限公司 | The fiery speech prompting device in normal pass for gas-cooker |
| CN110425330A (en) * | 2019-08-27 | 2019-11-08 | 刘州豪 | A kind of control butterfly valve of high-precision chemical industry |
| CN112051905A (en) * | 2020-10-10 | 2020-12-08 | 青海师范大学 | Internet public opinion tracking method and application device |
| CN112145740A (en) * | 2019-06-27 | 2020-12-29 | 南京梅山冶金发展有限公司 | Online monitoring and intervention device for cartridge valve |
-
2006
- 2006-01-18 CN CN 200620029842 patent/CN2874150Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044661A (en) * | 2017-04-25 | 2017-08-15 | 广东美的厨房电器制造有限公司 | The fiery speech prompting device in normal pass for gas-cooker |
| CN112145740A (en) * | 2019-06-27 | 2020-12-29 | 南京梅山冶金发展有限公司 | Online monitoring and intervention device for cartridge valve |
| CN110425330A (en) * | 2019-08-27 | 2019-11-08 | 刘州豪 | A kind of control butterfly valve of high-precision chemical industry |
| CN112051905A (en) * | 2020-10-10 | 2020-12-08 | 青海师范大学 | Internet public opinion tracking method and application device |
| CN112051905B (en) * | 2020-10-10 | 2021-03-19 | 青海师范大学 | Public opinion early warning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070228 Termination date: 20100219 |