CN2135623Y - Robber-proof spring lock - Google Patents
Robber-proof spring lock Download PDFInfo
- Publication number
- CN2135623Y CN2135623Y CN92219741.5U CN92219741U CN2135623Y CN 2135623 Y CN2135623 Y CN 2135623Y CN 92219741 U CN92219741 U CN 92219741U CN 2135623 Y CN2135623 Y CN 2135623Y
- Authority
- CN
- China
- Prior art keywords
- lock
- hole
- core
- pellet shot
- slingshot
- 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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Abstract
The utility model relates to a cylinder lock, comprising a lock body and a lock bolt. The lock body is provided with a lock core, a cylinder, and a lock pass. The cylinder lock is characterized in that the width of a key hole of the lock core is equal to or smaller than the length of the cylinder hole of the lock core; accordingly, the cylinder lock can just be locked through the key of an original lock, and the use is safe.
Description
The utility model relates to a kind of cylinder lock.
The present various cylinder locks that use, its core keyhole width is all greater than core pellet shot from a slingshot hole length, do not use former lock key, and insert keyhole with " E " type key that a kind of height of key bit equates with core pellet shot from a slingshot hole length, pellet shot from a slingshot in the core pellet shot from a slingshot hole is ejected core, a lock is opened with regard to turning core, is lawless person's opportunity, uses dangerous.
The purpose of this utility model is only can just can open the cylinder lock that theftproof performance is good with former lock key in the design one.
The utility model comprises lock body and locking bolt, lock body is provided with locking bolt hole, lock core hole, the lock marble hole that is communicated with lock core hole and lock and closes the hole, one end of locking bolt is arranged in the locking bolt hole, and live with lock body and to be connected, being provided with core in the lock core hole, core is provided with core pellet shot from a slingshot hole, keyhole and lock pass and stirs tooth, core pellet shot from a slingshot hole is corresponding with lock marble hole and be interconnected, wherein be provided with marble spring and pellet shot from a slingshot, lock closes and is provided with the lock pass in the hole, and the width of keyhole is equal to or less than the length in core pellet shot from a slingshot hole.
The utility model core keyhole width is equal to or less than the length in core pellet shot from a slingshot hole, " E " type key that the key bit height equates with core pellet shot from a slingshot hole length can't insert keyhole, and every " E " type key that can insert keyhole, the height of its tooth is just less than core pellet shot from a slingshot hole length, pellet shot from a slingshot in the core can not be ejected fully core pellet shot from a slingshot hole, the lock of not opening, therefore, the utility model can only just can be opened with former lock key, and is safe in utilization.
Below in conjunction with drawings and Examples the utility model is further described.
Accompanying drawing has provided embodiment of the present utility model, wherein:
Fig. 1 is the present embodiment cut-away view;
Fig. 2 is a present embodiment core cut-away view;
Fig. 3 is a present embodiment core bottom schematic view.
The utility model comprises lock body (3) and locking bolt (1), lock body (3) is provided with locking bolt hole (13), lock core hole (16), lock marble hole (14) that is communicated with lock core hole (16) and lock close hole (15), one end of locking bolt (1) is arranged in the locking bolt hole (13), and live with lock body (3) and to be connected, be provided with core (4) in the lock core hole (16), core (4) is provided with core pellet shot from a slingshot hole (11), keyhole (10) and lock close stirs tooth (12), core pellet shot from a slingshot hole (11) is corresponding with lock marble hole (14) and be interconnected, wherein be provided with marble spring (6) and pellet shot from a slingshot (5), lock closes to be provided with lock pass (8) in the hole (15) and to lock and closes spring (9), the width of keyhole (10) is equal to or less than the length in core pellet shot from a slingshot hole (11), and the width of keyhole (10) is 2/3rds of core pellet shot from a slingshot hole (11) length at least.
The bottom of the interior locking bolt in locking bolt hole (13) (1) also is provided with locking bolt spring (2) in the present embodiment, is provided with stator hole (18) on lock marble hole (14) top, is provided with stator (7) and stator spring (17) in stator hole (18).
Claims (2)
1, a kind of antitheft sylinder, comprise lock body (3) and locking bolt (1), lock body (3) is provided with locking bolt hole (13), lock core hole (16), lock marble hole (14) that is communicated with lock core hole (16) and lock close hole (15), one end of locking bolt (1) is arranged in the locking bolt hole (13), and live with lock body (3) and to be connected, be provided with core (4) in the lock core hole (16), core (4) is provided with core pellet shot from a slingshot hole (11), keyhole (10) and lock close stirs tooth (12), core pellet shot from a slingshot hole (11) is corresponding with lock marble hole (14) and be interconnected, wherein be provided with marble spring (6) and pellet shot from a slingshot (5), lock closes and is provided with lock pass (8) in the hole (15), it is characterized in that the width of keyhole (10) is equal to or less than the length in core pellet shot from a slingshot hole (11).
2, according to the described antitheft sylinder of claim 1, the width that it is characterized in that keyhole (10) is 2/3rds of core pellet shot from a slingshot hole (11) length at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92219741.5U CN2135623Y (en) | 1992-09-12 | 1992-09-12 | Robber-proof spring lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92219741.5U CN2135623Y (en) | 1992-09-12 | 1992-09-12 | Robber-proof spring lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2135623Y true CN2135623Y (en) | 1993-06-09 |
Family
ID=33766927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92219741.5U Expired - Fee Related CN2135623Y (en) | 1992-09-12 | 1992-09-12 | Robber-proof spring lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2135623Y (en) |
-
1992
- 1992-09-12 CN CN92219741.5U patent/CN2135623Y/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 |