CN2264241Y - Bullet door lock - Google Patents
Bullet door lock Download PDFInfo
- Publication number
- CN2264241Y CN2264241Y CN 96213413 CN96213413U CN2264241Y CN 2264241 Y CN2264241 Y CN 2264241Y CN 96213413 CN96213413 CN 96213413 CN 96213413 U CN96213413 U CN 96213413U CN 2264241 Y CN2264241 Y CN 2264241Y
- Authority
- CN
- China
- Prior art keywords
- lock
- bolt
- card
- bonnet
- utility
- 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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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a cylinder drawback lock. A safety device is additionally arranged behind the ordinary cylinder drawback lock. The safety device can be independently used, and can also be matched with the original safety. Through the improvement, the utility model can overcome the defect that once the ordinary cylinder drawback lock is back locked in the inside, people in the outside can not open the door by using a key. The cost is only one half of that of a double-safety lock sold in markets. The utility model has the advantages of low cost, safety and convenience.
Description
The utility model relates to a kind of pin tumbler lock.
The common spring door lock has and locks lock at present, in case dial lock down, even the people of outside has key also can't open, especially evening, the household that must wake under having slept can enter, and is very inconvenient.Present a kind of dual fail-safe door lock of selling on the market behind key back locking, when opening the door, must be screwed in the other direction with key and can open after a few, twists in the other direction accidentally sometimes, twists to rive off, and causes lock core to damage, not only inconvenience but also make one nervous.
Provided by the utility model is exactly a kind of can locking from the inside, and the people that key is held in the outside very easily opens again, the pin tumbler lock of safe ready.
The utility model mainly comprises locking face lid, bonnet and lock core, locking face covers to be equipped with on Handle for lock, the preceding insurance of lock handle, the bonnet and keyhole is housed and dials the bolt card, lock core comprises dead bolt, locking bolt, preceding lock, bolt card etc., its principal character is: a lock, insurance card and garden cylindricality ball are equipped with in the locking bolt rear portion, install one group of bolt card on the bolt card of bonnet additional.
Above-mentioned insurance card mainly is made up of half petal-shaped base and projection and mutually perpendicular two faces from base, wherein with on the bonnet dials a little higher than and contacted another side of lock of the contacted one side of bolt card.
The back safeties that the utility model installed additional, can independently use and can with the supporting use of preceding insurance, but generally speaking, use one of them to get final product as required.
The utility model has overcome common spring door lock the inside in case lock through after the above-mentioned improvement, and the deficiency that the people of key can't open the door is held in the outside, and its cost has only 1/2nd of commercially available Lock with double safety guard, and is inexpensive, safe ready.
Below in conjunction with accompanying drawing in detail embodiments of the invention are described in detail.
Fig. 1 is a lock core cut-away view of the present utility model,
Fig. 2 is the utility model cover elevation,
Fig. 3 is the utility model bonnet schematic diagram.
Among Fig. 2, when will back insurance handle 11 being screwed onto level, promptly the back insurance card is allocated among Fig. 1 the position vertical with lock 4, and insurance card 5 is withstood lock 4, pin, when opening the door, key is from injecting interior keyhole 13, rotation outdoors, promptly drive another vertical plane of dialling bolt card 15 and promotion back insurance card 5 on the bonnet, make insurance card 5 compression balls, half-twist, lock 4 break away from insurance card and promptly reach the purpose of unblanking.
Claims (3)
1. pin tumbler lock, comprise locking face lid (8), bonnet (12) and lock core, before being housed on the locking face lid (8), Handle for lock (10), lock insure handle (9), interior keyhole (13) is housed on the bonnet and dials bolt card (14), lock core comprises dead bolt (1), locking bolt (3), preceding lock (2), bolt card (7) etc., its principal character is: a lock (4), insurance card (5) and cylindrical ball (6) are equipped with in the locking bolt rear portion, install one group of bolt card (15) additional on the bolt card (14) of bonnet.
2. pin tumbler lock according to claim 1 is characterized in that: insurance card (5) mainly is made up of petal-shaped base and projection and mutually perpendicular two faces from base.
3. pin tumbler lock according to claim 2 is characterized in that: insurance card (5) goes up and bonnet is dialled a little higher than and contacted another side of lock of the contacted one side of bolt card (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213413 CN2264241Y (en) | 1996-05-31 | 1996-05-31 | Bullet door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213413 CN2264241Y (en) | 1996-05-31 | 1996-05-31 | Bullet door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2264241Y true CN2264241Y (en) | 1997-10-08 |
Family
ID=33895761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96213413 Expired - Fee Related CN2264241Y (en) | 1996-05-31 | 1996-05-31 | Bullet door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2264241Y (en) |
-
1996
- 1996-05-31 CN CN 96213413 patent/CN2264241Y/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 |