CN2259477Y

CN2259477Y - Safety antitheft door

Info

Publication number: CN2259477Y
Application number: CN 96211543
Authority: CN
Inventors: 田文戈
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-18
Filing date: 1996-05-18
Publication date: 1997-08-13
Anticipated expiration: 2006-05-18

Abstract

The utility model discloses an antitheft door, particularly a multi-position locking safety antitheft door. A multi-position locking device is arranged in the antitheft door; the multi-position locking device is composed of a twisting block, two driving levers, from 4 to 6 sets of longitudinal pull and push mechanisms, from 4 to 6 sets of transversal pull and push mechanisms, wherein, the longitudinal pull and push mechanisms and the transversal pull and push mechanisms are all composed of pull and push rods and L-shaped connecting rods; the rotation of the twisting block can drive the longitudinal pull and push mechanisms and the transversal pull and push mechanisms to pull the pin out of a pin hole of a door frame or push the pin into the pin hole of a door frame. A plurality of pins arranged on the door fame can tightly lock the door. The utility model has the advantages of simple structure, low cost and high safety.

Description

Safety anti-theft door

The utility model relates to a kind of door, particularly a kind of security door.

The security door kind of Chu Shouing is a lot of in the market, and common iron railings bar is arranged, and the band coded lock is arranged, the band alarm is arranged, and they can play anti-theft effect to a certain extent, but the security door safety of iron railings bar is relatively poor, the then complex structure band coded lock or the band alarm, the cost height.

The purpose of this utility model is exactly that a kind of simple and reasonable for structure, multi-faceted locking security door that cost is low, safe will be provided.

For achieving the above object, the utility model adopts technical scheme as described below: safety anti-theft door comprises doorframe, security door, built-in lock and hinge, one multi-faceted locking device is arranged in the security door, and multi-faceted locking device is formed by turning round piece, wrench, driving lever, vertical push-pull mechanism, horizontal push-pull mechanism and pin.Turn round the piece middle part and be fixedly connected with axle, this is rotatably assorted with the bearing that is fixed on the door-plate of security door front and back, and door-plate is all stretched out at its two ends, and is stretching out the fixedly connected jug of difference on the part of door-plate.Turn round the side that piece is positioned at built-in lock, and turn round the groove that is meshed with the dead bolt of built-in lock is arranged on the piece, driving lever has two, and be hinged with an end of turning round piece respectively, its vertical push-pull mechanism is made up of L shaped connecting rod and pull bar, and there is axle at eight jiao of place of L shaped connecting rod, this axle is fixed on the door-plate of front and back, L shaped connecting rod one end and driving lever are hinged, and the other end and pull bar are hinged, and the other end and the pin of pull bar are hinged.Laterally push-pull mechanism is with vertically push-pull mechanism is similar, and just having increased a L shaped connecting rod in the hinged place of its pull bar and pin changes direction.After the dead bolt of built-in lock is withdrawn from the groove of turning round piece, holding the handle rotation, turning round piece and then rotates, turn round piece drive driving lever and move in the horizontal direction a segment distance, driving lever drives L shaped connecting rod and pull bar, for vertical push-pull mechanism, the rotation of L shaped connecting rod drives pull bar and moves to the centre, thereby pin is retracted, for horizontal push-pull mechanism, pull bar after changing transmission direction by another L shaped connecting rod retracts pin, and this is the situation of opening the door, at closing time, handle is rotated along the rightabout that opens the door, and each mechanism moves in opposite direction, pin is pushed in the pin-and-hole of doorframe, extract the dead bolt of built-in lock with key this moment again, dead bolt is engaged on turns round in the groove of piece, turn round piece and just can not twist again, so just reached the purpose of locking a door, in order to improve its security performance, many vertical push-pull mechanisms of group and horizontal push-pull mechanism can be set in security door.

Adopt the safety anti-theft door of this structure, simple in structure, cost is low, safe and reliable.

Below in conjunction with accompanying drawing the utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 turns round the another kind of structural representation that piece cooperates with built-in lock.

With reference to Fig. 1.Safety anti-theft door comprises doorframe 2, security door 20, built-in lock 14, hinge etc., one multi-faceted locking device is arranged in security door 20, and this multi-faceted locking device is formed by turning round piece 3, wrench 4, driving

lever

12,13, vertical push-pull mechanism, horizontal push-pull mechanism and pin 1,11.Turn round piece 3 middle parts and be fixedly connected with axle, this is rotatably assorted with the bearing that is fixed on the door-plate of security door front and back, door-plate is all stretched out at its two ends, and stretching out the fixedly connected jug 4 of difference on the part of door-plate, turn round piece 3 and be positioned at built-in lock 14 1 sides, the cross section of turning round piece 3 close built-in lock 14 1 sides has the groove 5 that is meshed with the dead bolt of built-in lock for semicircle on semicircle one side of turning round

piece.Driving lever

12,13 is hinged with an end of turning round piece 3 respectively.

Vertically push-pull mechanism is made up of L shaped connecting rod 16 and pull bar 17, there is axle 15 at eight jiao of place of L shaped connecting rod 16, axle 15 is fixed on the door-plate of front and back, L shaped connecting rod 16 1 ends and driving lever 13 are hinged, the other end and pull bar 17 are hinged, and the other end of pull bar 17 and pin 1 are hinged, and vertical push-pull mechanism like this can be provided with several in security door, present embodiment adopts four groups of so vertical push-pull mechanisms, and the upper side frame of security door and lower frame respectively are provided with two groups.

Laterally push-pull mechanism is made up of L shaped connecting rod 7,10, pull bar 8, L shaped connecting rod 7,10 is rotatably assorted with the axle 6,9 that is fixed on the door-plate respectively, one end and the driving lever 12 of L shaped connecting rod 7 are hinged, pull bar 8 two ends are hinged with L shaped connecting rod 7,10 respectively, the other end of L shaped connecting rod 10 and pin 11 are hinged, horizontal push-pull mechanism like this also can be provided with several, and present embodiment is provided with four groups.

Below with its course of work of state description shown in Figure 1: at first the dead bolt of built-in lock is withdrawed from the groove 5 of turning round piece 3 with key, holding handle 4 clockwise directions rotates, turning round piece 3 drive driving levers 13 moves right, driving driving lever 12 is moved to the left, driving lever 13 moves right L shaped connecting rod 16 is counterclockwise rotated around axle 15, pull bar 17 is left behind like this, and pin 1 is drawn out the pin-and-hole on the doorframe 2.Thereby driving lever 12 is moved to the left and drives L shaped connecting rod 7 and rotate counterclockwise pull bar 8 is upwards moved, pull bar 8 changes the pin-and-hole of pin 11 being pulled out after the transmission direction doorframe by L shaped connecting rod 10, so just security door can be opened, at closing time security door is strained, swing handle in opposite direction, vertically push-pull mechanism and laterally all actions in opposite direction of push-pull mechanism, pin is pushed the pin-and-hole of doorframe, with key the dead bolt of built-in lock is screwed out, be stuck in 5 li of grooves turning round piece 3, security door just is lockable like this, and realized multi-faceted locking, improve security performance greatly, in order further to improve its reliability, on the frame of the security door at hinge place, be fixed with several pins 18, on the doorframe 2 of pin 18 correspondences pin-and-hole 19 is arranged, after security door was shut, pin 18 inserted pin-and-hole 19, can further improve theftproof performance.

Safety anti-theft door as shown in Figure 1 can be realized multi-faceted locking, but after security door is opened, and can not resemble to shut conveniently the common security door, in order to overcome this minor defect, has done some improvement on the basis of above-mentioned safety anti-theft door.

With reference to Fig. 2.Turn round the inboard that piece is positioned at built-in lock, built-in lock has an elastic lock tongue 21 near doorframe one side, and elastic lock tongue is meshed with a groove on the doorframe 2, can shut the door after you like this and can multi-faceted locking security door.

Claims

1, a kind of safety anti-theft door, it comprises doorframe (2), security door (20), built-in lock (14), hinge etc., it is characterized in that: a multi-faceted locking device is arranged in the security door (20), this multi-faceted locking device is by turning round piece (3), spanner (4), driving lever (12), (13), and vertically push-pull mechanism, horizontal push-pull mechanism and pin (1), (11) are formed; Turn round piece (3) middle part and be fixedly connected with axle, this is rotatably assorted with the bearing that is fixed on the door-plate of security door front and back, and door-plate is all stretched out at its two ends, and is stretching out difference fixedly connected jug (4) on the part of door-plate; Turn round the side that piece (3) is positioned at built-in lock (14), and turn round the groove (5) that is meshed with the dead bolt of built-in lock (14) is arranged on the piece (3); Driving lever (12), (13) are hinged with an end of turning round piece (3) respectively; Vertically push-pull mechanism is made up of L shaped connecting rod (16) and pull bar (17), there is axle (15) at eight jiao of place of L shaped connecting rod (16), axle (15) is fixed on the door-plate of front and back, L shaped connecting rod (16) one ends and driving lever (13) are hinged, the other end and pull bar (17) are hinged, and the other end of pull bar (17) and pin (1) are hinged; Laterally push-pull mechanism is made up of L shaped connecting rod (7), (10), pull bar (8), L shaped connecting rod (7), (10) are rotatably assorted with the axle (6), (9) that are fixed on the door-plate respectively, one end of L shaped connecting rod (7) and driving lever (12) are hinged, pull bar (8) two ends are hinged with L shaped connecting rod (7), (10) respectively, and the other end of L shaped connecting rod (10) and pin (11) are hinged.

2, the described safety anti-theft door of root a tree name claim 1 is characterized in that: have 4-6 to overlap vertical push-pull mechanism in the security door (20).

3, root a tree name claim 1 or 2 described safety anti-theft doors is characterized in that: have 4-6 to overlap horizontal push-pull mechanism in the security door (20).

4, the described safety anti-theft door of root a tree name claim 1 is characterized in that: turn round the inboard that piece (3) is positioned at built-in lock (14), built-in lock (14) has an elastic lock tongue (21) near doorframe one side, and elastic lock tongue (21) is meshed with a groove on the doorframe (2).