CN2117436U - Latching lock - Google Patents

Abstract

The utility model discloses a bolt type lock for a door. The bolt type lock for a door is characterized in that the bolt type lock for a door mainly comprises a lock head (10), a door bolt (1), a limiting lock (6), a connecting rod (3), and a rock arm (4); as the sliding block mechanism of the rock arm is used, the disadvantage that as a common lock pin has a small inserting amount, a double-door is locked outdoors is thoroughly solved; accordingly, the bolt type lock for a door can be used as a common lock bolt and used through a handle, and the door bolt can be conveniently locked; the bolt type lock for a door can be used for locking a double-door and can also be used for a single door; as the bolt is arranged in a door, the telescope distance of the door bolt is long, and accordingly, the security of the door is improved.

Description

Latching lock

The utility model is to go up used a kind of bolt door lock about various doors.

Up to now, keeper formula door lock does not still have appearance in the door lock kind.It is short that general latch, ubiquity its stroke, and the amount of selling after pinning is little, to the demanding shortcoming of the making of crack between a door and its frame, especially when being used for double door, to fix Yishanmen with latch earlier, could pin then, or lock bright lock again after tacking with keeper earlier, bring a lot of inconvenience to use.

It is long that task of the present utility model provides a kind of locking stroke, can be used for the bolt door lock of multiple door.

Solution of the present utility model is that employing mechanical slide principle combines tapered end (10) and keeper (1), forms a kind of bolt door lock.This lock mainly is made up of tapered end (10), keeper (1), spacer pin (6), connecting rod (3), rocking arm (4) and shell (8) etc.When turning handle (5), drive rocking arm (4) and make axial rotation, promote connecting rod (3) and on slideway (9), make horizontal reciprocating movement, thereby the feasible keeper (1) that is hinged with connecting rod (3) is made horizontal reciprocating movement, finishes the flexible make and break function of keeper.On the shell (8), the afterbody of slideway (9) is provided with a spacer pin (6), after the left end of connecting rod (3) slips over spacer pin (6) to the right, just be in latched position, when the left end of connecting rod (3) reached the left end of slideway (9), the banking stop (2) that is welded on the connecting rod (3) made keeper be in latched position.As shown in Figure 1.The moving up and down of spacer pin (6) controlled by the card (7) that is fixed on tapered end (10) afterbody.When card (7) when turning clockwise, spacer pin (6) is subjected to the pressure of card (7) and downwards, is pinned by card, makes keeper (1) be in free state, can make general keeper to use; When card (7) continued rotation, spacer pin (6) was upspring, and the stroke of keeper is played position-limiting action.Corresponding another side at lock promptly on the casing cover (11), is provided with same tapered end and card, reaches the interior same purpose that opens and closes door lock of door outdoors, as shown in Figure 2.

Advantage of the present utility model is, adopts bolt formula structure, the flexible distance of keeper, and lock, bolt are formed one, and the making of opposite house and doorframe requires not tight.The scope of application is wide, can be used for double door preferably and need strengthen safety with the occasion of keeper.Because in keeper can be installed in, have only a handle and keyhole outdoors.

Situation when description of drawings: Fig. 1 is in two dead-centre positions for lock.Fig. 2 is a lateral view.(1) is keeper, (2) for being fixed on the banking stop on the connecting rod (3), (3) be connecting rod, (4) are and the rocking arm of handle (5) one, and (6) are spacer pin, (7) be the card that is connected as a single entity with tapered end (10), (8) be main body cover, (9) are the slideway above the shell, and (10) are the ball lock head of two identical keys, (11) be casing cover, (12) are welded in the keeper sleeve pipe that slideway was gone up and retained to shell (8) outside being enclosed within keeper.

When specifically implementing this utility model, shell can adopt cast iron, steel sheet or iron plate etc. to be stamped to form, the door nose that matches with keeper can be used and hang as (12) or iron gate than the slightly thick steel pipe of bolt etc., also can make the keeper box identical with the door lock profile, be equipped with on the box to decorate and use handle, burn-on and the keeper sleeve pipe of (12) same outer diameter as at opposite side.

Claims (3)

1, a kind of bolt door lock is characterized in that this lock mainly contains tapered end (10), keeper (1), spacer pin (6), connecting rod (3), rocking arm (4) and forms.

2, bolt door lock according to claim 1 is characterized in that keeper (1) is hinged with connecting rod (3), connecting rod (3) and rocking arm (4), and keeper (1) is gone up reciprocating with the rotation of rocking arm (4) at slideway (9).

3,, it is characterized in that being fixed with on the connecting rod (3) banking stop (2) according to claim 1,2 described bolt door locks.

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