CN200999523Y - Side lock for theft-proof door - Google Patents
Side lock for theft-proof door Download PDFInfo
- Publication number
- CN200999523Y CN200999523Y CN 200720105971 CN200720105971U CN200999523Y CN 200999523 Y CN200999523 Y CN 200999523Y CN 200720105971 CN200720105971 CN 200720105971 CN 200720105971 U CN200720105971 U CN 200720105971U CN 200999523 Y CN200999523 Y CN 200999523Y
- Authority
- CN
- China
- Prior art keywords
- lock
- dead bolt
- slide plate
- chain
- lock housing
- 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 discloses an antitheft door side lock, which comprises a panel (3), a lock shell (2), a bolt (4), a bolt sliding way (5), and an interlock sheet (1). The interlock sheet (1) is positioned between soleplates of the bolt sliding way (5) and the lock shell (2) and is provided with an inclined chute (8); the soleplate of the lock shell (2) is provided with a horizontal chute (7) and the bolt sliding way (5) is fixed with a guide post (6) which is inserted inside the inclined chute (8) and the horizontal chute (7); two ends of the interlock sheet (1) respectively extend out of the lock shell (2). By adopting the structure, the interlock sheet (1) moves up and down pushed by the antitheft door lock and drives the bolt sliding way (5) to slide along the horizontal chute (7) to realize the open and close of the side lock, so as to resolve the problems such as complex side lock structure, large bulk, inflexible dial and difficulty of unlocking, etc.
Description
Technical field
The utility model relates to a kind of annex of safe-guard door lock, particularly a kind of limit lock that uses under safe-guard door lock drives.
Background technology
The theftproof performance quality of security door depends primarily on safe-guard door lock, in order to improve the theftproof performance of security door, people are except the structure of improving doorframe and door leaf, also set up a plurality of security doors limit lock at the periphery of security door, make the doorframe and the door leaf of security door spread all over the lock point all around, thereby improve the pick-proof performance; During use, link together by link gear between limit lock and the door lock, the limit is locked under the door lock drive and door lock is opened synchronously or closed dead bolt.And existing security door limit lock mainly has the following disadvantages: the one, and complex structure, volume are big; The 2nd, stir dumbly, effort causes unblanking.For this reason, many manufacturers and knowledgeable people have carried out research and test repeatedly at the problem of above-mentioned existence, but do not have ideal method to solve the problems referred to above so far as yet.
Summary of the invention
For overcoming the disadvantage of above-mentioned existence, problem to be solved in the utility model provide a kind of simple and reasonable, stir flexibly, feel is light, cost is low security door limit lock.
The technical scheme that its technical problem that solves the utility model adopts, it comprises panel, lock housing, dead bolt, the dead bolt slide plate, chain, panel is fixed on the lock housing, dead bolt and dead bolt slide plate are fixed, dead bolt cooperates with the dead bolt hole of panel, the afterbody of dead bolt slide plate stretches out the slide plate pilot hole of lock housing, between the described chain base plate that is arranged on dead bolt slide plate and lock housing, chain is provided with oblique chute, the base plate of lock housing is provided with horizontal concrete chute, be fixed with lead on the dead bolt slide plate, lead is plugged in oblique chute and the horizontal concrete chute, on chain, the lower end is stretched out lock housing respectively.
As further preferred version of the present utility model, described chain lower end is fixed with the locking bar joint, and chain upper end is provided with lock fork arm connecting bend.
After adopting said structure, the locking bar joint of limit lock fuses by locking bar and safe-guard door lock, and the lock fork arm connecting bend of limit lock is connected the lock of the world up and down that drives security door with the lock fork arm; During use, safe-guard door lock drives chain by locking bar and moves up and down, and the lead that is located in the oblique chute drags the dead bolt slide plate along the horizontal concrete chute horizontal slip under chain drive, thereby it is flexible to drive the dead bolt level, realizes that the limit lock opens and closes; Have advantages such as simple and reasonable, that unlatching is light flexibly, feel is light, volume is little, the life-span is long.
Description of drawings
Fig. 1 is a structural representation of the present utility model.Wherein 1 is chain, and 2 is lock housing, and 3 is panel, and 4 is dead bolt, and 5 is the dead bolt slide plate, and 6 is lead, and 7 is horizontal concrete chute, and 8 is oblique chute, and 9 is the locking bar joint.
The specific embodiment
Shown in Figure 1, specific embodiments for a kind of security door of the utility model limit lock, it comprises panel 3, lock housing 2, dead bolt 4, dead bolt slide plate 5, chain 1, panel 3 is fixed on the lock housing 2, dead bolt 4 is fixing with dead bolt slide plate 5, dead bolt 4 cooperates with the dead bolt hole of panel 3, the afterbody of dead bolt slide plate 5 stretches out the slide plate pilot hole of lock housing 2, between described chain 1 base plate that is arranged on dead bolt slide plate 5 and lock housing 2, be provided with oblique chute 8 for chain 1, the base plate of lock housing 2 is provided with horizontal concrete chute 7, is fixed with lead 6 on the dead bolt slide plate 5, lead 6 is plugged in oblique chute 8 and the horizontal concrete chute 7, on chain 1, the lower end is stretched out lock housing 2 respectively.Described chain 1 lower end is fixed with locking bar joint 9, and chain 1 upper end is provided with lock fork arm connecting bend.
Claims (2)
1, a kind of security door limit lock, comprise panel (3), lock housing (2), dead bolt (4), dead bolt slide plate (5), chain (1), panel (3) is fixed on the lock housing (2), dead bolt (4) is fixing with dead bolt slide plate (5), dead bolt (4) cooperates with the dead bolt hole of panel (3), the afterbody of dead bolt slide plate (5) stretches out the slide plate pilot hole of lock housing (2), it is characterized in that: described chain (1) is arranged between the base plate of dead bolt slide plate (5) and lock housing (2), chain (1) is provided with oblique chute (8), the base plate of lock housing (2) is provided with horizontal concrete chute (7), be fixed with lead (6) on the dead bolt slide plate (5), lead (6) is plugged in oblique chute (8) and the horizontal concrete chute (7), on chain (1), the lower end is stretched out lock housing (2) respectively.
2, security door according to claim 1 limit lock, it is characterized in that: the lower end of described chain (1) is fixed with locking bar joint (9), and the upper end of chain (1) is provided with lock fork arm connecting bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720105971 CN200999523Y (en) | 2007-01-24 | 2007-01-24 | Side lock for theft-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720105971 CN200999523Y (en) | 2007-01-24 | 2007-01-24 | Side lock for theft-proof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200999523Y true CN200999523Y (en) | 2008-01-02 |
Family
ID=39013930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720105971 Expired - Fee Related CN200999523Y (en) | 2007-01-24 | 2007-01-24 | Side lock for theft-proof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200999523Y (en) |
-
2007
- 2007-01-24 CN CN 200720105971 patent/CN200999523Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 |