CN2183408Y - Semi-automatic knock-out lock - Google Patents

Abstract

The utility model relates to a push-rod semi-automatic lock which is the improvement of the prior art. The semi-automatically locking is realized in the mode that after impacted by a lock tongue frame (3), a push rod (1) drives a push rod card (16) to release a lock tongue (2); the auxiliary acting force subjected by an existing semi-automatic lock when a door is closed is eliminated, and accordingly, the strength for closing the door is reduced. Simultaneously, the utility model can directly adopt a vertical lock tongue, and the theft-proof performance is improved to a certain extent.

Description

Semi-automatic knock-out lock

The utility model is a kind of semi-automatic lockset of prior art being made substantial improvements.

The semi-automatic lockset that uses is for reaching the purpose of semi-automatic locking (being that hand one band door is a locking) at present, employing inclined-plane dead bolt all without exception or cambered surface dead bolt, to utilize tongue inclined-plane or lingual arch face and to be fixed in the lateral thrust that produces when bump against dead bolt frame outer on the doorframe, this lateral thrust promotes dead bolt and enters the dead bolt storehouse, the tongue of dead bolt compression simultaneously, after the door closure, lock body is parallel with the dead bolt frame, dead bolt is subjected to the thrust of tongue to enter the dead bolt frame, and door is promptly by locking.Because the type lockset uses inclined-plane dead bolt or cambered surface dead bolt, so behind the semi-automatic locking, people outdoors only needs with a stalloy that is narrower than crack between a door and its frame dead bolt inclined-plane or cambered surface to be forced into, and dead bolt promptly is subjected to lateral thrust retraction dead bolt storehouse, need not promptly to be opened with key door.So for security consideration, existing semi-automatic lockset has increased insurance institution again, such mechanism has two kinds: a kind of behind the semi-automatic locking of door, and make dead bolt stuck with anti-lock device; Another kind is an additional straight formula dead bolt, behind the semi-automatic locking of door, starts straight formula dead bolt switch and makes straight formula dead bolt also enter the dead bolt frame.

The major defect of prior art is: owing to adopted inclined-plane dead bolt or cambered surface dead bolt, so dead bolt inclined-plane or cambered surface are when bumping against with dead bolt frame outer, dead bolt is except that the lateral thrust that is subjected to dead bolt frame outer, also to be subjected to the forward thrust and the frictional force of dead bolt frame outer inevitably, the lateral thrust useful of making a concerted effort to be far longer than of this forward thrust and frictional force to locking, lockset is because this existence of making a concerted effort, the dynamics of closing the door needs very big, thereby make closing of door lock dumb, and lock structure also because regular be subjected to excessive side effect power and deformed damaged gradually, makes the life-span of lockset not long.Simultaneously, the dynamics of closing the door is excessive, also inevitably will produce very big noise.In addition, prior art has been added safeties again for security consideration, and this process that door lock is ended has increased by one again and locked action, and it is just not very convenient to lock a door like this.

The side effect power (being forward thrust and the frictional force of dead bolt frame to dead bolt) that the purpose of this utility model is to make lockset suffered is eliminated, and with straight formula dead bolt replacement inclined-plane or cambered surface dead bolt, the theftproof of lockset and flexibility is increased.

For reaching the purpose of this utility model, the utility model lockset has adopted push rod card (6) to discharge the semi-automatic locking mode of dead bolt (2).The semi-automatic locking mode of this kind is finished by push rod (1), push rod card (6), push rod wind spring (7), ejector rob axis (8), dead bolt frame (3), dead bolt (2), dead bolt spring component synergisms such as (9).Push rod (1) is at the lock body shell back side, fixture push rod card (6) on the push rod (1) can stretch into lock body inside from the hole at the lock body shell back side, tail end at push rod (1) has two axis holes, push rod wind spring (7) is passed by ejector rob axis (8) between two axis holes, push rod wind spring (7) one ends are fixed on the push rod (1), the other end is fixed on the lock body, makes the pressure of push rod (1) generation to the lock body shell back side.When door is being opened, because the effect of push rod wind spring (7), push rod card (6) is in lock body inside, block lock tongue slot (4), the dead bolt spring (9) that is in compressive state can not be released dead bolt (2), this moment, dead bolt (2) was in the dead bolt storehouse from appearance, and push rod (1) is attached to the lock body shell back side, at closing time, push rod (1) is longer than an end and the collision of dead bolt frame (3) outer of lock body shell, and push rod (1) drives push rod card (6) and skids off from lock tongue slot (4) promptly around ejector rob axis (8) rotation, dead bolt (2) promptly is released, and be subjected to the thrust of dead bolt spring (9) to be pushed out the dead bolt storehouse, enter in the dead bolt frame (3), door is promptly by locking.If open the door, turning knob (5) or key, dead bolt (2) is dialled in the dead bolt storehouse, and when pushing, the end that push rod (1) is longer than lock body shell leaves dead bolt frame (3) outer, at this moment,, push rod (1) is owing to be subjected to the effect of push rod wind spring (7) to be affixed to the lock body shell back side, and drives push rod card (6) and slip into lock tongue slot (4), dead bolt (2) promptly is stuck in the dead bolt storehouse by push rod card (6), and lockset integral body is recovered the state of door when opening again.

Compared with prior art, remarkable advantage of the present utility model has been to cancel inclined-plane or the cambered surface dead bolt that is adopted in the present technology, the mode that discharges dead bolt (2) with push rod card (6) reaches semi-automatic locking, have now like this in the lockset technology owing to the inevitable side effect power that adopts inclined-plane or cambered surface dead bolt that lock body is subjected to just has been eliminated, therefore the dynamics of closing the door just greatly reduces, thereby improved the life-span of lockset, reduce the noise that is produced at closing time, increased the flexibility of door lock.In addition, compared with prior art, the utility model can directly adopt straight formula dead bolt, so theftproof performance also is improved, it is also more convenient to lock a door, and only needs door one band has just been reached the purpose that door is locked, and it is unapproachable that the people of outside does not have key.

Description of drawings:

Fig. 1. lock body outside drawing Fig. 4. dead bolt and annex outside drawing thereof

Fig. 2. lock body rear elevation Fig. 5. lock body and dead bolt frame were bowed when door was closed

Pseudosection

Fig. 3. push rod and annex outside drawing Fig. 6 thereof. lock body and dead bolt frame were overlooked when door was opened

Sectional drawing

(1) is that push rod, (2) are that dead bolt, (3) are that dead bolt frame, (4) are that lock tongue slot, (5) are that knob, (6) are that push rod card, (7) are that push rod wind spring, (8) are that ejector rob axis, (9) are the dead bolt springs among the figure.

Make when the utility model lockset is installed, push rod (1) is hinged by ejector rob axis (8) at the lock body back side and lock body, being in push rod wind spring (7) one ends that passed by ejector rob axis (8) between two axis holes is fixed on the push rod (1), one end is fixed on the lock body, and the elastic force of push rod wind spring (7) should be shown as the pressure of push rod (1) to the lock body shell back side by push rod (1) when door is opened.Push rod (1) is after the lock body shell back side installs, and the length of push rod (1) is advisable can run into dead bolt frame (3) at closing time, just the movable end of push rod (1) should be longer than lock body shell some.Have a push rod card hole at the lock body shell back side facing to the position of push rod card (6), long can being stuck in the lock tongue slot (4) after by the push rod card hole with it of push rod card (6) is advisable.Dead bolt frame (3) is installed on doorframe and the door body and after the locking with lock body, see should be a little more than the lock body shell back side from overlooking in dead bolt frame outer, so that being longer than lock body shell one end, push rod (1) after running into dead bolt frame (3) outer at closing time, can rotate to an angle around ejector rob axis (8), the rotation of this angle should be able to make push rod (1) drive push rod card (6) and skid off from lock tongue slot (4), as shown in Figure 5, the other part manufacturing of lock body is installed with existing semi-automatic lockset does not have than big difference.

Claims (1)

1. A kind of employing push rod (1) is subjected to dead bolt frame (3) bump back to drive the lockset that push rod card (6) release dead bolt (2) mode is carried out semi-automatic locking, on existing semi-automatic lockset basis, increase push rod (1), push rod card (6), push rod wind spring (7), ejector rob axis members such as (8)

   It is characterized in that: push rod (1) is hinged by ejector rob axis (8) and lock body, push rod wind spring (7) makes push rod (1) that pair pressure of dead bolt frame (3) be arranged when door lock ends, at closing time, push rod (1) is run into the rotation of dead bolt frame (3) generation around ejector rob axis (8), discharges dead bolt (2) thereby drive push rod card (6).

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