CN2427576Y - Lock with prompting means - Google Patents
Lock with prompting means Download PDFInfo
- Publication number
- CN2427576Y CN2427576Y CN 00220820 CN00220820U CN2427576Y CN 2427576 Y CN2427576 Y CN 2427576Y CN 00220820 CN00220820 CN 00220820 CN 00220820 U CN00220820 U CN 00220820U CN 2427576 Y CN2427576 Y CN 2427576Y
- Authority
- CN
- China
- Prior art keywords
- key
- lock
- utility
- contact switch
- model
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a lock with prompting means. The inner part of a lock hole of a lock device is connected with a contact switch which is connected in series with a power supply, a relay and a pronouncing horn to form a prompting device circuit, a key can be inserted into the lock hole to trigger the contact switch to be closed, and then a time delay relay begins attracting work after several seconds to switch on the horn or the doorbell to sent out sound. The utility model has the advantages of simple structure and low cost, can remind people withdrawing the key so that the key can not be pulled out and stolen, so the hidden trouble of being stolen is eliminated.
Description
The utility model belongs to commodity, is specifically related to a kind of lock with warning device.
In the daily life, a lot of users often forget key in the lockhole after unblanking, if key is pulled out away by others, must change all relevant locks on the key chain, otherwise just have by the hidden danger of others' theft, and the present that is locked to of band alarm set is not reported.
The purpose of this utility model is: design a kind of lock with warning device, can remind the user to pull up key, prevent trouble before it happens.
The purpose of this utility model is achieved in that connecting terminal switch in the lockhole of lockset, and contact switch and power supply, relay, pronunciation loudspeaker or doorbell are concatenated into circuit.Key inserts from lockhole and touches the contact switch closure, then disconnects if in time extract the key contact switch; If in time do not extract the adhesive work after several seconds that are provided with of key time-delay relay, conducting pronunciation loudspeaker or doorbell send the prompting sound.
Fig. 1 is the utility model circuit diagram
Fig. 2 uses schematic diagram for the utility model
Among the figure: 1 lockset, 2 lockholes, 3 keys, 4 contact switch, 5 time-delay relays, 6 pronunciation loudspeaker or doorbell, 7 fuses, 8 power supplys.
Introduce embodiment of the present utility model below in conjunction with accompanying drawing:
Can touch place's connecting terminal switch 4 in lockhole 2 inside key of lockset 1, the warning device circuit is by power positive cathode 8, fuse 7, contact switch 4, time-delay relay 5 and pronunciation loudspeaker or doorbell serial connection, key 3 inserts from lockhole 2 and touches contact switch 4 closures, if in time extract then contact switch 4 disconnections of key, entire circuit is not worked; If behind the key unlocking, forget in lockhole, time-delay relay 5 adhesive work after several seconds, conducting pronunciation loudspeaker or doorbell send the sound, remind owner to extract key.
The utility model is simple in structure, and with low cost, reminds people is in time extracted key, avoids key to be pulled out away by others, eliminates the hidden danger of being stolen.
Claims (2)
1, a kind of lock with warning device is characterized in that: the interior connecting terminal switch of lockhole (2) (4) of lockset (1), contact switch (4) is concatenated into the warning device circuit with power supply (8), time-delay relay (5), pronunciation loudspeaker or doorbell (6).
2, a kind of lock with warning device according to claim 1 is characterized in that: in fuse (7) sequential circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00220820 CN2427576Y (en) | 2000-06-23 | 2000-06-23 | Lock with prompting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00220820 CN2427576Y (en) | 2000-06-23 | 2000-06-23 | Lock with prompting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2427576Y true CN2427576Y (en) | 2001-04-25 |
Family
ID=33585799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00220820 Expired - Fee Related CN2427576Y (en) | 2000-06-23 | 2000-06-23 | Lock with prompting means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2427576Y (en) |
-
2000
- 2000-06-23 CN CN 00220820 patent/CN2427576Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |