Novel longitudinally-locked theft-proof door lock
An anti-theft door lock and locking technology, which is applied in the field of locks, can solve the problems of difficulty in opening and closing, inability to open, broken or deformed lock tongue, etc., and achieves the effects of simple structure, low cost and low noise.
Active Publication Date: 2010-12-15
王继文
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Problems solved by technology
[0002] At present, there are various mechanical anti-theft door locks on the market. The structure is that the deadbolt protrudes from the lock body and is inserted into the deadbolt seat or the door frame. The lock with this structure is subjected to shearing force when the deadbolt hits the door when the door is closed. When this force exceeds the bearing capacity of the lock tongue, the lock tongue will break or deform, and in severe cases, the structure of the lock tongue inside the lock body will be damaged, causing the lock to lose its protective effect or even fail to open, and the door will be opened and closed due to the rebound or deformation of the door. Difficult, and easy to be damaged by human shearing, locking the tongue and prying the door and losing the protection function of the door lock
Method used
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[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0013] Such as figure 1 , 2 , 3, 4, and 5, the anti-theft lock includes a universal lock head, a lock bolt shaft seat 4, and a lock body 3. Lock bolt axle seat 4 upper lock bolt shaft 1, starting pin 7. It is characterized in that one end of the lock shaft 1 has a notch 5 matching with the marble 6, one end passes through the hole of the lock shaft seat 4 and the lock shaft 1, and a spring is set at the position where the lock shaft 1 passes through the lock shaft 4 22 and tighten with nuts. One end of starting pin 7 is matched with roller 16, and one end is passed through the position of lock bolt shaft seat 4 and is set with spring 22 and tightened with nuts. Lock body 3 is provided with locking box 12, touch grain 9, dead bolt fixed plate 8, toggle plate 19. The lock body 3 is provided with a lock box 12, the lock box 12 is a square box made of ...
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The invention discloses a novel longitudinally-locked theft-proof door lock, which mainly solves the problem that the lock loses protective effect and cannot be opened because the conventional theft-proof door lock is easy to break and deform and even a bolt structure in a lock body is damaged. The theft-proof door lock is characterized in that: a set bar shaft (1) and a starting pin (7) are arranged on a set bar shaft seat (4); a locking box (12), a locking box fixing plate (8) and a pull plate (19) are arranged in a lock body (3); a bolt (2) and a control panel (14) are arranged on the locking box fixing plate (8); a spring (13) is sleeved on the locking box fixing plate (8), and one end of the spring (13) is propped on the lock body (3); and the pull plate (19) is arranged on a rotating shaft of the lock body (3).
Description
Technical field [0001] The present invention relates to a lock, especially a novel anti-theft door lock with vertical locking which has very little vibration and noise when closing and locking the door, and which prevents damage to the bolt by strong collision and shearing. Background technique [0002] At present, there are various mechanical anti-theft door locks on the market. The structure is that the deadbolt protrudes from the lock body and is inserted into the deadbolt seat or the door frame. The lock with this structure is subjected to shearing force when the deadbolt hits the door when the door is closed. When this force exceeds the bearing capacity of the lock tongue, the lock tongue will break or deform, and in severe cases, the structure of the lock tongue inside the lock body will be damaged, causing the lock to lose its protective effect or even fail to open, and the door will be opened and closed due to the rebound or deformation of the door. It is difficult, ...
Claims
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Inventor 王继文
Owner 王继文