CN2317298Y - Safety door with double safety lock - Google Patents

Abstract

The utility model discloses a safety door with a double safety lock. The utility model is provide with a door frame composed of profile steel and a door leaf connected with the hinge of the door frame, wherein, the door leaf is formed by the way that fence type frame is arranged in a metallic edge frame and panels are coated out of the metallic edge frame. A lock box in which a transversely placed bolt is arranged between two panels in the edge frame. A shifting fork with a rotating convex post and a night lock with a telescopic dead bolt are respectively arranged under the bolt in the lock box to realize the purposes that the opening and closing of the bolt can be doubly controlled by turning a handle by the specially made shifting fork and the key of the night lock. The utility model can have the advantages of simple structure, and convenient installation and operation under the condition of higher safety.

Description

The safety door of band dual fail-safe door lock

The utility model relates to a kind of safety door of service-strong band dual fail-safe door lock.Being suitable for the occasion that the security performance of the intensity of opposite house and door lock has relatively high expectations uses.

Existing door is divided into wooden and metal construction substantially, and its shock resistance fracture strength is generally lower; And the design of door lock is generally the cylinder type built-in lock and the bolt-type keeper cooperates pad lock structure two classes, and anti-group of sled performance of its cylinder type built-in lock is relatively poor relatively, and because of padlock exposes, can't bear the weight bump, and its safety and reliability are also relatively poor.

The purpose of this utility model is at above-mentioned problems of the prior art, and the safety door of a kind of body intensity height, band dual fail-safe door lock that the door lock unfailing performance is good is provided.

The technical scheme that realizes above-mentioned purpose is: a kind of safety door with the dual fail-safe door lock, have door frame and the door leaf that links to each other with its hinge, and establish the paling form skeleton in the frame that its door leaf is made up of shaped steel and cover outward and be with the panel of observation port to constitute; In its frame, be installed with a lock casket between the two panels, a horizontal keeper in this lock casket, below keeper, be provided with the shift fork that an afterbody has the polygon projection, the front end of this shift fork places between the two shift forks retaining fixing on the keeper, be installed with a cylinder lock below the afterbody of keeper, the dead bolt of this cylinder lock places the tail end of keeper when stretching out; Its lock disposes lock casket lid on casket, covers at the lock casket that to be provided with a fork controls hole and a spring locks keyhole corresponding with the polygon projection and the lock core of cylinder lock on the shift fork respectively.

The safety door of this band dual fail-safe door lock, under the prerequisite with higher security reliability, it is simple in structure, installation and easy to use.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the overall structure figure of the safety door of this band dual fail-safe door lock;

Fig. 2 is the configuration diagram of dual fail-safe door lock;

Fig. 3 is dual fail-safe door lock lock box structure front view.

The utility model is described in further detail below in conjunction with drawings and Examples.

Provide as accompanying drawing, the safety door of this band dual fail-safe door lock has the door frame of being made up of shaped steel 1, and the both sides of this framework are welded with six roots of sensation and bury iron and be used for door frame and fix, and wherein in the middle of the left side can adopt steel pipe double as keeper hole.Its door leaf hinge is connected on the door frame, and this door leaf has the frame of being made up of shaped steel 2, is provided with the paling form skeleton of being made up of round steel 3 in frame 2, and to strengthen the security performance of door, the two sides coats the steel panel 5 of band observation port 4 outside frame and skeleton.The metal latch casket 6 of fixed installation one rectangular box-like between the two panels in frame, support a horizontal keeper 7 by two fixed covers in the lock casket, the shift fork 8 that one afterbody has the polygon projection is set below keeper, the front end of this shift fork places between the two shift forks retaining 9 fixing on the keeper 7, when making it use the special fork controls handle that matches with the polygon projection to rotate shift fork, stir keeper 7 move left and right, with of locking and the unlatching of realization door with door frame.Fixedly install a cylinder lock 10 below the afterbody of keeper 7, the dead bolt of this cylinder lock places the tail end of keeper 7 when stretching out, and as the control block body that the restriction keeper moves, constitutes second insurance institution of door lock.Dispose lock casket lid 11 on its lock casket 6, when this lock casket lid assembles with the lock casket, a pair of protruding slotting body by lock casket lid right side inserts in a pair of corresponding opening of locking on the casket right side wall, fixes through lock casket and the pair of screws on the left of the lock casket lid again, realizes the assembling that lock casket and lock casket cover.It is corresponding with the polygon projection and the lock core of cylinder lock 10 on the shift fork 8 respectively that lock casket lid 11 is provided with a fork controls hole 12 and a spring locks keyhole 13, as the patchhole of shift fork turning handle and marble lock key.

The utility model can be provided with on the top of door leaf as requested and send the thing window, and it send on the thing window can add closed windows door 14.And in door leaf, increase the insulation interlayer as requested and ventilation opening 15 is set in the bottom of door leaf.

Claims (1)

1, a kind of safety door with the dual fail-safe door lock comprises door frame (1) and the door leaf that links to each other with its hinge, it is characterized in that: establish the outer panel (5) that covers band observation port (4) of paling form skeleton (3) in the frame that this door leaf is made up of shaped steel (2) and constitute; In its frame (2), be installed with a lock casket (6) between the two panels (5), a horizontal keeper (7) in this lock casket, be provided with the shift fork (8) that an afterbody has the polygon projection in the below of keeper (7), the front end of this shift fork (8) places keeper (7) to go up between the fixing two shift forks retainings (9), afterbody below at keeper (7) is installed with a cylinder lock (10), and the dead bolt of this cylinder lock (10) places the tail end of keeper (7) when stretching out; Dispose lock casket lid (11) on its lock casket (6), it is corresponding with the polygon projection and the lock core of cylinder lock (10) on the shift fork (8) respectively that lock casket lid (11) is provided with a fork controls hole (12) and a spring locks keyhole (13).

Images