CN203334811U - Door lock - Google Patents
Door lock Download PDFInfo
- Publication number
- CN203334811U CN203334811U CN2013203668881U CN201320366888U CN203334811U CN 203334811 U CN203334811 U CN 203334811U CN 2013203668881 U CN2013203668881 U CN 2013203668881U CN 201320366888 U CN201320366888 U CN 201320366888U CN 203334811 U CN203334811 U CN 203334811U
- Authority
- CN
- China
- Prior art keywords
- key
- seat
- spring
- cover
- door 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
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- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a door lock. The door lock comprises a lock cylinder and a key stretching and retracting device. The key stretching and retracting device comprises a base sleeve and a spring. The base sleeve is used for fixing the spring. One end of the spring abuts against the lock cylinder and the other end of the spring abuts against the end portion of a key. Due to the arrangement of the spring, the key can conveniently pop out and the key can be conveniently pulled out when a lock holes is right.
Description
Technical field
The utility model relates to door lock, relates in particular to the device that can make door lock automatically pull out.
Technical background
At present, people want switch door lock in daily life certainly, so but sometimes because worry, can forget the key of plug on door.Lucky timely discovery is given for change, unlucky just again bitting even change lock, so just to life, bring very large trouble, most critical or safety problem, a kind ofly end device that door will automatic spring and just can greatly reduce key and forget the probability pulled out if having.
Summary of the invention
This uses novel purpose to be to provide door lock, and it is withstood by spring when key inserts, and when hand unclamps, key will be ejected and, though owner forgotten, key also may be bound on the ground, the sound that now has been bound to, owner is bound to find.
Based on above purpose, the technical scheme that the utility model provides is: door lock comprises lock core, also comprise the key stretching device, described key stretching device comprises cover for seat and spring, and described cover for seat is for fixing spring, described spring one end peaks on lock core, and the other end peaks at the end of key.
Described cover for seat is placed in the slotting key end of lock core, on described cover for seat base, has keyhole, and described spring is positioned at cover for seat, can do stretching motion with respect to cover for seat, one end of described spring peaks at the end face of lock core, and the other end withstands on the base of key cover for seat, and for withstanding key.
beneficial effect
1) some lockhole increased spring and can conveniently eject key, if more also can more conveniently be extracted.
Spring is mounted in cover for seat, and cover for seat itself also can prevent from entering some foreign material such as dust.
The accompanying drawing explanation
Fig. 1 is used view before the utility model key inserts;
Fig. 2 is that the utility model key is screwed into rear use view.
The specific embodiment
Door lock, comprise lock core, also comprises the key stretching device, and described key stretching device comprises cover for seat and spring, and described cover for seat is for fixing spring, and described spring one end peaks on lock core, and the other end peaks at the end of key.Described cover for seat is placed in the slotting key end of lock core, on described cover for seat base, has keyhole, and described spring is positioned at cover for seat, can do stretching motion with respect to cover for seat, one end of described spring peaks at the end face of lock core, and the other end withstands on the base of key cover for seat, and for withstanding key.
Claims (2)
1. door lock, comprise lock core, it is characterized in that: also comprise the key stretching device, described key stretching device comprises cover for seat and spring, and described cover for seat is for fixing spring, and described spring one end peaks on lock core, and the other end peaks at the end of key.
2. door lock according to claim 1, it is characterized in that: described cover for seat is placed in the slotting key end of lock core, have keyhole on described cover for seat base, described spring is positioned at cover for seat, can do stretching motion with respect to cover for seat, one end of described spring peaks at the end face of lock core, and the other end withstands on the base of key cover for seat, and for withstanding key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203668881U CN203334811U (en) | 2013-06-25 | 2013-06-25 | Door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203668881U CN203334811U (en) | 2013-06-25 | 2013-06-25 | Door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203334811U true CN203334811U (en) | 2013-12-11 |
Family
ID=49703490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203668881U Expired - Fee Related CN203334811U (en) | 2013-06-25 | 2013-06-25 | Door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203334811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362357A (en) * | 2013-06-25 | 2013-10-23 | 无锡商业职业技术学院 | Door lock |
-
2013
- 2013-06-25 CN CN2013203668881U patent/CN203334811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362357A (en) * | 2013-06-25 | 2013-10-23 | 无锡商业职业技术学院 | Door lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131211 Termination date: 20140625 |
|
| EXPY | Termination of patent right or utility model |