Door and window sash limit lock and using method thereof

A door and window sash and limit lock technology, which is applied in the direction of door/window accessories, wing leaf parts, wing leaf suspension devices, etc., can solve the problem that the opening gap of the door and window sash cannot be effectively limited, thieves climb into the window and burglary, and children Climbing through windows and falling from buildings, etc., to achieve the effect of simple structure, simple operation and high safety performance

CN103422742BActive Publication Date: 2018-08-17王楚涵 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-08-17

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Abstract

The invention discloses a door and window sash limiting lock and a using method thereof, and belongs to the technical field of lock manufacturing. The door and window sash limiting lock and the using method thereof solve the control problem of the size of gaps existing when sliding door and window sashes are closed or opened. According to the technical scheme, the door and window sash limiting lock comprises a lock body, a lock cylinder and a key, and is characterized in that a central hole is formed in the lock body, the rear end of the lock body is not beyond an inner door and window sash, a fixed plate which is connected with the lock body to form a whole is arranged at the bottom of the lock body, a threaded connecting hole is formed in the lock cylinder, a moving plate is arranged at the front end of the lock cylinder, a screw matched with the threads in the connecting hole is arranged on the lock cylinder in a matched mode, and a key hole is formed in the rear end of the screw. The door and window sash limiting lock has the advantages of being simple in structure, reasonable in design and convenient to use. The door and window sash limiting lock is installed on a sliding door and window sash to effectively control the size of the gaps existing when the sliding door and window sash is closed or opened, and plays a role in burglary resistance and protection; in addition, the rear end of the lock body does not prevent the sliding of a screen door or a screen window.
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Description

technical field

[0001] The invention relates to a limit lock for doors and windows, which belongs to the technical field of locks, in particular to a lock which limits the closing or opening gap of push-pull doors and windows. Background technique

[0002] At present, the push-pull doors and windows installed in buildings can be easily pulled when the doors and windows are opened to a certain gap. The opening gap widens, causing vicious incidents of children climbing through the window and falling from the building or thieves climbing through the window to burglary. Contents of the invention

[0003] In order to solve the defects in the prior art, the present invention provides a door and window limit lock with simple structure, reasonable design and convenient use.

[0004] The present invention achieves the purpose of the invention through the following technical solutions: a limit lock for doors and windows, including a lock body, a lock cylinder and a key. The special...

Examples

Embodiment 1

[0033] A kind of door and window sash limit lock (see Figure 1-Figure 5 ), including lock body 1, lock core 2 and key 3, lock body 1 is provided with a middle hole 4, and the length of lock body is set as the length of lock body plus the thickness of moving plate on the lock core so that the rear end of lock body does not exceed Inner door and window sash, and the bottom of lock body 1 is provided with a fixed plate 5 connected with it as a whole, the height of fixed plate 5 matches the height of the door and window frame slide rail, threaded connection hole 6 is provided on the lock core 2, and The front end of the lock core 2 is provided with a moving plate 7, and the lock core 2 is also equipped with a screw rod 8 matched with the threaded connection hole 6 on the lock core 2, and one end of the screw rod 8 is provided with a keyhole 9.

[0034] When in use, the screw rod 8 and the lock cylinder 2 are threadedly connected, and then put into the middle hole 4 of the lock bo...

Embodiment 2

[0036] A kind of door and window sash limit lock (see image 3 , Figure 4 , Figure 6-Figure 8 ), comprising a lock body 1, a lock core 2 and a key 3, the lock body 1 (which can be designed as a cuboid, cube, hexagonal prism or cylinder) is provided with a middle hole 4 (the cross section of the middle hole can be designed as a rectangle, cube, hexagon or circle) and the rear end of the middle hole 4 is provided with a retaining ring 11, the length of the lock body 1 is set as the length of the lock body plus the thickness of the moving plate and rubber plate on the lock core to make the lock body The rear end does not exceed the inner door and window sash, and the bottom of the lock body 1 is provided with a fixed plate 5 connected with it as a whole. And the front end of the lock core 2 is provided with a moving plate 7, and a """ type plate hook 12 connected with it as a whole is established under the moving plate 7, and the rubber plate 10 is installed in front of the m...

Embodiment 3

[0039] A kind of door and window sash limiter (see image 3 , Figure 4 , Figure 9-Figure 10 ), comprising a lock body 1, a lock core 2 and a key 3, the lock body 1 (which can be designed as a cuboid, cube, hexagonal prism or cylinder) is provided with a middle hole 4 (the cross section of the middle hole can be designed as a rectangle, cube, hexagon or circle), the length of the lock body 1 is set as the length of the lock body plus the thickness of the rubber plate so that the rear end of the lock body does not exceed the inner door and window sash, and the bottom of the lock body 1 is provided with two It is connected as one fixed plate 5, the height of the fixed plate 5 matches the height of the sliding rail of the door and window frame, and the distance between the two fixing plates 5 matches the thickness of the inner sliding rail or the inner baffle plate on the door and window frame. The front end of body 1 is provided with a groove 13, is provided with a " " type p...