CN2133640Y - Safety door lock with revolving tongue - Google Patents
Safety door lock with revolving tongue Download PDFInfo
- Publication number
- CN2133640Y CN2133640Y CN 91212821 CN91212821U CN2133640Y CN 2133640 Y CN2133640 Y CN 2133640Y CN 91212821 CN91212821 CN 91212821 CN 91212821 U CN91212821 U CN 91212821U CN 2133640 Y CN2133640 Y CN 2133640Y
- Authority
- CN
- China
- Prior art keywords
- door lock
- door
- tongue
- utility
- lock
- 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
Links
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Disclosed is a safety door lock with a rotating tongue, which is a novel door lock. In the utility model, the telescoping structure of a traditional lock tongue is changed to a rotating structure in which a pin tongue [5] rotates around a pin shaft [8] by following the open of a door or the close of the door. The manufacturing cost of the utility model whose safety performance is even stronger than that of the existing safety door lock with any structure is similar to that of an ordinary door lock, and the accident possibility which is caused by no reverse locking because of carelessness or other reasons in actual living is eliminated. Even though badly installed, the utility model can be kept reliable and flexible.
Description
The utility model relates to a kind of door lock, the door lock that particularly a kind of dead bolt rotates when opening.
Existing door lock, the safety that has is not good enough, and the cost that has is higher, and has alignment error or door to be out of shape, all to exist and open inflexible shortcoming slightly, the reason of searching to the bottom, existing door lock all is the dead bolt stretching structure that adopts.
Motion mode when task of the present utility model is fundamentally to change the dead bolt unlatching, thus reach high safety, cheap, open purpose flexibly.
Task of the present utility model is finished as follows: open by key or indoor handle, along with the opening of door, dead bolt rotate and withdraw from the tongue card, and keep the state that can rotate; When locking a door, as long as door one is with gently, dead bolt and tongue card are collided, dead bolt rotates also and stretches into naturally in the tongue card, and the state that dead bolt return, maintenance can not be rotated reaches the purpose of locking a door.
Manufacturing cost of the present utility model is equally matched with common door lock, and its safety performance even be better than the insurance lock of existing any structure---got rid of in the real life because of general idea or other reasons and do not locked the possibility that causes accident, and slightly alignment error still can be guaranteed its reliability and the flexibility of use.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Accompanying drawing is that the utility model is in a kind of structural representation when locking a door state.
With reference to accompanying drawing, the utility model is made up of lock housing [ 1 ], handle [ 2 ], lock core jack [ 3 ], tongue card [ 4 ], several big parts of dead bolt [ 5 ] equally.The utility model also can be made into the indoor key of stopping [ 9 ] that has, the dual fail-safe structure of outdoor available key back locking.Unlatching stops key [ 9 ], turning handle [ 2 ] or with key rotation lock core jack [ 3 ], uvula [ 6 ] withdraws from the seam [ 7 ] of dead bolt [ 5 ], dead bolt this moment [ 5 ] can rotate around bearing pin [ 8 ], need only light handle [ 2 ] or touch the door of key operated one side, pintle hook lock [ 5 ] rotates, door is when being opened, and dead bolt [ 5 ] withdraws from tongue card [ 4 ]; When locking a door, along with closing of door, the direction that dead bolt [ 5 ] rotates is opposite when opening the door, and uvula [ 6 ] slips in the seam [ 7 ] of dead bolt [ 5 ].
Claims (1)
1, a kind of door lock that is made of lock housing [1], handle [2], lock core jack [3], tongue card [4], dead bolt [5] is characterized in that along with the unlatching of door or closes that dead bolt [5] is the rotational structure of rotating around lock shaft [8].
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 91212821 CN2133640Y (en) | 1991-06-12 | 1991-06-12 | Safety door lock with revolving tongue |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 91212821 CN2133640Y (en) | 1991-06-12 | 1991-06-12 | Safety door lock with revolving tongue |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2133640Y true CN2133640Y (en) | 1993-05-19 |
Family
ID=33760045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 91212821 Expired - Fee Related CN2133640Y (en) | 1991-06-12 | 1991-06-12 | Safety door lock with revolving tongue |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2133640Y (en) |
-
1991
- 1991-06-12 CN CN 91212821 patent/CN2133640Y/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN2133640Y (en) | Safety door lock with revolving tongue | |
CN201521161U (en) | Safe-guard door lock | |
CN209799610U (en) | Electronic lock | |
CN2414166Y (en) | Tailing-resistant safety door | |
CN2589908Y (en) | Refrigerator having door-in-door | |
CN2292142Y (en) | Magnetic card door lock | |
CN2220525Y (en) | Anti-theft door | |
CN2223331Y (en) | Handle of door | |
CN2635838Y (en) | Lock body | |
CN2217082Y (en) | Two direction bolt type theft-proof lock | |
CN2366498Y (en) | Cold-proof and theft-proof accessory in connection with lock | |
CN2126287U (en) | Semi-automatic double-leaf door lock | |
CN2367716Y (en) | Anti-picking lock for sliding door and window | |
CN2144165Y (en) | Locking type gate catch | |
CN2268092Y (en) | Three-safety double door lock | |
CN2375722Y (en) | Two-way anti-theft safety lock | |
CN2489035Y (en) | Double puzzle lock | |
CN2421379Y (en) | Three-bolt automatic convenient lock | |
CN2407095Y (en) | Improved sliding window body with hinging structure | |
CN2186788Y (en) | Anti-theft door lock coupled unit | |
CN2102358U (en) | Anti-theft door | |
CN2383926Y (en) | Three-bolt anti-theft door lock | |
CN2588002Y (en) | Handle type core-inserted automatic theft-proof door lock | |
CN2177773Y (en) | Safety lock for double-motion sliding door or window | |
CN2647993Y (en) | Auto-bolting big handle lock |
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 |