CN101644118B - Interlocking protection device of drain valve of heater - Google Patents
Interlocking protection device of drain valve of heater Download PDFInfo
- Publication number
- CN101644118B CN101644118B CN2009101157697A CN200910115769A CN101644118B CN 101644118 B CN101644118 B CN 101644118B CN 2009101157697 A CN2009101157697 A CN 2009101157697A CN 200910115769 A CN200910115769 A CN 200910115769A CN 101644118 B CN101644118 B CN 101644118B
- Authority
- CN
- China
- Prior art keywords
- key
- heater
- switch
- valve
- padlock
- 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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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The invention relates to an interlocking protection device of a drain valve of a heater, which comprises a padlock film used for locking the drain valve, a first locking piece locked on the padlock film, a first key matched with the first locking piece, the heater provided with a switch lock, and a second key matched with the switch lock; wherein the first key is bound with the second key; a switch of the heater has an opening work position and a closing work position, and the second key of the switch lock can be pulled out only when the switch of the heater is at the closing position. Compared with the prior art, the liquid can be discharged by the operating staff when the switch of the heater is firstly closed by the second key and a valve padlock is then opened by the first key, so that the safe accidents caused by drying burning the heater when a liquid level switch is abnormal can be avoided.
Description
Technical field
The present invention relates to the interlocking protection device of a kind of heater and tapping valve.
Background technology
In the prior art, directly open draining valve when tank liquor is discharged at wet process line scene in the factory and do not close heater button, heater control is mainly controlled by liquid-level switch under the state like this.Have the liquid-level switch ball float in the groove, when in the groove during discharge opeing liquid level descend, the liquid-level switch ball float is fallen, heater stops heating.
Yet only also there is certain potential safety hazard in the start and stop by the liquid-level switch control heater.When liquid-level switch unusual or fault occurred accidentally, the heater heating is uncontrollable to cause the heater dry combustion method easily, burns out cell body even causes fire incident thereby cause.
Summary of the invention
In order to overcome the deficiency of prior art, the technical problem that the present invention will solve provides a kind of interlocking protection device of drain valve of heater that when the liquid-level switch abnormality, can not cause the heater dry combustion method to cause security incident.
For solving above technical problem, the technical scheme that the present invention takes is:
A kind of interlocking protection device of drain valve of heater; It comprises the padlock sheet that is used to lock tapping valve, be locked in first latch fitting on the said padlock sheet and first key that matches, the heater button with switch lock and second key that matches with said switch lock; Described first key is bound with second key mutually; Described heater button has two operating positions of opening and closing, and only second key on the switch lock just can be pulled up when described heater button is in the closed position.
Have the hole on the both ends of described padlock sheet, the both ends of described padlock sheet penetrate in the handle of tapping valve the back and pass the hole by first latch fitting tapping valve is locked.
Described first latch fitting can't take off first key under open mode.
Because the enforcement of above technical scheme, the present invention compared with prior art has advantage:
During operation, close heater power source, pull up second key thereby at first rotate on the heater second key on the switch lock; Because second key and first key bind together, first key on the use key chain is opened tapping valve and is begun discharge opeing; Close the tapping valve valve then, lock the valve fixator of tapping valve, pull up first key and begin liquid feeding; When stipulating liquid level in the arrival slot, use the heater button lock to open heater power source, begin to add hot work with second key.
Compared with prior art; Must be earlier during operating personnel's discharge opeing closing heater button with second key could open the valve padlock with first key and carry out discharge opeing, the security incident that causes the heater dry combustion method to cause in the time of therefore can having avoided liquid-level switch unusual effectively.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 3 is the structural representation of switch lock;
Accompanying drawing 4 is the front view of padlock sheet;
Accompanying drawing 5 is the lateral view of accompanying drawing 4;
Wherein:
1, tapping valve; 2, padlock sheet; 201, hole; 3, first latch fitting; 301, first key; 4, heater button; 5, switch lock; 501, second key; 6, groove.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is specified:
A kind of interlocking protection device of drain valve of heater; It comprises the padlock sheet 2 that is used to lock tapping valve 1, be locked in first latch fitting 3 on the said padlock sheet 2 and first key 301 that matches, have the heater button 4 of switch lock 5 and second key 501 that matches with said switch lock 5; Described first key 301 is bound with second key 501 mutually; Described heater button 4 has and opens and closes two operating positions, and only second key 501 on the switch lock 5 just can be pulled up when described heater button 4 is in the closed position.
Have hole 201 on the both ends of described padlock sheet 2, the both ends of described padlock sheet 2 penetrate the interior back of handle of tapping valve 1 and pass hole 201 with tapping valve 1 locking by first latch fitting 3.
Described first latch fitting 3 can't take off first key 301 under open mode.
During operation, thereby second key 501 that at first rotates on the heater button lock 5 is closed heater power source, pulls up second key 501; Because second key 501 and first key 301 bind together, therefore must close heater and could use first key 301 on the key chain to open tapping valve 1 beginning discharge opeing; Close tapping valve 1 valve then, lock the valve fixator of tapping valve, pull up first key, 301 beginning liquid feedings; When stipulating liquid level in the arrival slot, can only close tapping valve 1 and could open heater power source, begin to add hot work with second key 501.
Compared with prior art; Must be earlier during operating personnel's discharge opeing closing heater button 4 with second key 501 could open the valve padlock with first key 301 and carry out discharge opeing, the security incident that causes the heater dry combustion method to cause in the time of therefore can having avoided liquid-level switch unusual effectively.
The foregoing description only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the personage that is familiar with this art can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (2)
1. interlocking protection device of drain valve of heater; It is characterized in that: it comprises the padlock sheet (2) that is used to lock tapping valve (1), be locked in first latch fitting (3) on the said padlock sheet (2) and first key (301) that matches, the heater button (4) with switch lock (5) and second key (501) that matches with said switch lock (5); Described first key (301) is bound with second key (501) mutually; Described heater button (4) has two operating positions of opening and closing; Only second key (501) on the switch lock (5) just can be pulled up when described heater button (4) is in the closed position, and described first latch fitting (3) can't take off first key (301) under open mode.
2. a kind of interlocking protection device of drain valve of heater according to claim 1; It is characterized in that: have hole (201) on the both ends of described padlock sheet (2), the both ends of described padlock sheet (2) penetrate in the handle of tapping valve (1) back and pass hole (201) by first latch fitting (3) tapping valve (1) is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101157697A CN101644118B (en) | 2009-07-24 | 2009-07-24 | Interlocking protection device of drain valve of heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101157697A CN101644118B (en) | 2009-07-24 | 2009-07-24 | Interlocking protection device of drain valve of heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101644118A CN101644118A (en) | 2010-02-10 |
| CN101644118B true CN101644118B (en) | 2012-05-02 |
Family
ID=41656161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101157697A Expired - Fee Related CN101644118B (en) | 2009-07-24 | 2009-07-24 | Interlocking protection device of drain valve of heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101644118B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996609A (en) * | 2018-09-10 | 2018-12-14 | 江苏南极机械有限责任公司 | A kind of oil skimmer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074283A (en) * | 1992-01-09 | 1993-07-14 | 曾天意 | The block of valve |
| CN2266671Y (en) * | 1996-02-29 | 1997-11-05 | 有维范 | Lock type safety valve |
| GB2328492A (en) * | 1997-08-22 | 1999-02-24 | Abb Seatec Ltd | Electrothermal actuator |
| CN201057294Y (en) * | 2007-07-17 | 2008-05-07 | 戴正欣 | Water discharge valve of electric water heater |
-
2009
- 2009-07-24 CN CN2009101157697A patent/CN101644118B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074283A (en) * | 1992-01-09 | 1993-07-14 | 曾天意 | The block of valve |
| CN2266671Y (en) * | 1996-02-29 | 1997-11-05 | 有维范 | Lock type safety valve |
| GB2328492A (en) * | 1997-08-22 | 1999-02-24 | Abb Seatec Ltd | Electrothermal actuator |
| CN201057294Y (en) * | 2007-07-17 | 2008-05-07 | 戴正欣 | Water discharge valve of electric water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101644118A (en) | 2010-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120502 Termination date: 20210724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |