CN2143667Y

CN2143667Y - Automatic anti-theft safety door

Info

Publication number: CN2143667Y
Application number: CN 92240459
Authority: CN
Inventors: 张学雄; 李昌松; 李良一
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-12-21
Filing date: 1992-12-21
Publication date: 1993-10-13
Anticipated expiration: 2002-12-21

Abstract

The utility model discloses a safety door. A door is hinged with one side of a doorframe. The door is provided with a door mirror, handles, a door lock, a coded lock, a self-locking device, an unlocking device and a gear rack latch device. The coded lock is composed of three decoding rotating disks sheathed with a rotating shaft. The self-locking device is composed of a latch sheathed with a spring, wires and a pulley wheel. The unlocking device is composed of a gear fixed with a gear shaft as an entity, a rack bar clamping board engaged with the gear and three decoding rotating disks. The gear rack latch device is composed of the gear rotated with the handles coaxially and the latch engaged with the gear. When the door lock and the coded lock are destroyed, the utility model not only can lock automatically, but also can unlock.

Description

Automatic anti-theft safety door

The utility model relates to a kind of anti-theft safety door, especially can form locking and automatic antitheft safety door that can release automatically.

At present, known anti-theft safety door, the door body is hinged by hinge and doorframe, the door body is provided with peephole, handle, coded lock, door lock reaches the handle with the gear coaxial rotation, the rack and pinion that constitutes one with latch is meshed, coded lock is by three equal diameters, outer rim is provided with constituting to the sign indicating number rotating disk with the clamp that latch fixes of a Baltimore groove, clamp can with the spill on the sign indicating number rotating disk outer rim is meshed, coded lock and door lock can be destroyed by letter amount instrument, also can lock be untied by the feel and the sense of hearing, after coded lock and door lock are destroyed, can not form self-locking, dangerous.

The purpose of this utility model provides a kind of automatic antitheft safety door, and it not only can automatic blocking, and can release.

The purpose of this utility model is achieved in that a side of a body is hinged by hinge and doorframe, the door body is provided with peephole, handle, door lock, coded lock and four pulleys, the pinion stand of rack-and-pinion bolt device is fixed in the inner chamber of a body, four sides at pinion stand are respectively arranged with Baltimore groove, four tooth bars place respectively in the Baltimore groove of pinion stand, and be meshed with gear, wherein three tooth bars join with mortise lock respectively and are integral, another tooth bar fixes with the fixed mount that is provided with clamp and latch, the dead bolt of door lock can be meshed with the holddown groove on the clamp, two handles that constitute one with fixed disk fix with every end of rotating shaft respectively, gear and rotating shaft fix and are supported by splicing sleeve, the fixed disk of coded lock and fixed cover are individually fixed in the both sides of a body, the rotating shaft that constitutes one with the scale rotating disk places in the centre bore of fixed disk and fixed cover, what spring and two were equipped with screw is socketed on the fixed cover to the sign indicating number rotating disk successively, another is equipped with screw sign indicating number rotating disk and the line connection board that has fixing hole are socketed on the rotating shaft, it fixes sign indicating number rotating disk and rotating shaft, on each outer rim, be provided with rectangular teeth and a Baltimore groove to the sign indicating number rotating disk, the external diameter to the sign indicating number rotating disk in the middle of it is slightly larger than the external diameter to the sign indicating number rotating disk of its both sides, clamp and latch fix, can be meshed to the Baltimore groove on the sign indicating number rotating disk outer rim with three, installation sleeve is connected to the latch of spring in the plug housing of self-locking device, its lower end can be meshed with the Baltimore groove on the tooth bar, one end and the door lock of steel wire join, the other end walks around pulley and latch joins, one end of another root steel wire and the fixing hole on the line connection board join, the other end walks around pulley and another latch joins, the tooth bar seat of tripper is arranged in the inner chamber of a body, gear with the gear shaft coaxial rotation is installed in the tooth bar seat, gear is meshed with clamp, the axle of separating the pin coded lock fixes with the door body, three to the sign indicating number rotating disk with the axle be hinged, on each outer rim, be provided with rectangular teeth and a Baltimore groove to the sign indicating number rotating disk, the external diameter to the sign indicating number rotating disk in the middle of it is slightly larger than the external diameter to the sign indicating number rotating disk of its both sides, the tooth bar clamp can be meshed to the Baltimore groove on the sign indicating number rotating disk outer rim with three, one end and the clamp of steel wire join, and the other end is walked around and walked around pulley respectively again behind the pulley and latch joins.

Owing to adopt such scheme, after being destroyed, coded lock and door lock can realize automatic blocking, can carry out release very easily again simultaneously, safe and reliable.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a door body profile constructional drawing of the present utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is door body structure figure of the present utility model, i.e. the B-B sectional view of Fig. 2.

Fig. 4 is the C-C sectional view of Fig. 1.

Fig. 5 is of the present utility model to sign indicating number rotating disc structure figure.

Fig. 6 is door lock arrangement figure of the present utility model.

Fig. 7 is the D-D sectional view of Fig. 6.

Fig. 8 is self-locking device of the present utility model and tripper constructional drawing.

Fig. 9 is the E-E sectional view of Fig. 8.

Figure 10 is the F-F sectional view of Fig. 8.

Among the figure 1, doorframe 2, door body 3, hinge 4, peephole 5, door lock 6, coded lock 7, handle 8, rack-and-pinion bolt device 9, self-locking device 10, tripper 11, scale rotating disk 12, fixed disk 13, screw 14, fixed cover 15, spring 16, to sign indicating number rotating disk 17, to sign indicating number rotating disk 18, screw 19, to sign indicating number rotating disk 20, packing ring 21, line connection board 22, cottor pin 23, screw 24, screw 25, screw 26, latch 27, clamp 28, clamp 29, tooth bar 30, tooth bar 31, latch 32, gear 33, pinion stand 34, fixed mount 35, guide pin bushing 36, latch 37, latch 38, splicing sleeve 39, handle 40, fixed disk 41, handle 42, steel wire 43, pulley 44, latch 45, plug housing 46, steel wire 47, pulley 48, unlocking pin lock 49, tooth bar clamp 50, pulley 51, gear 52, tooth bar seat 53, steel wire 54, latch 55, pulley 56, pulley 57, spring 58, gear shaft 59, tooth bar 60, tooth bar

In the embodiment shown in fig. 3, one side of door body (2) is hinged by the side of hinge (3) with doorframe (1), peephole (4) and handle (7) and door lock (5) are installed on door body (2), the pinion stand (33) of rack-and-pinion bolt device (8) is fixed in the inner chamber of a body (2), four sides at pinion stand (33) are respectively arranged with Baltimore groove, tooth bar (29), tooth bar (30), tooth bar (59) and tooth bar (60) place respectively in the Baltimore groove of pinion stand (33), and be meshed with gear (32), move reciprocatingly, tooth bar (29) joins with latch (26), tooth bar (30) joins with latch (31), tooth bar (59) joins with latch (36), each latch fixes by guide pin bushing (35) and door body (2), tooth bar (60) fixes with the fixed mount (34) that is provided with clamp (28) and two latches (37), the dead bolt of door lock (5) can be meshed with the holddown groove on the clamp (28), same fixed disk (40) constitutes the handle (39) of one and an end of rotating shaft fixes, fix with another handle (41) of fixed disk formation one and the other end of rotating shaft, gear (32) fixes and is supported cover (38) with rotating shaft and supports, the fixed disk (12) of coded lock (6) and fixed cover (14) use screw (13) to be fixed in the both sides of a body (2) respectively, the rotating shaft that constitutes one with scale rotating disk (11) places in the centre bore of fixed disk (12) and fixed cover (14), spring (15), packing ring, be equipped with screw (25) to sign indicating number rotating disk (16), packing ring, screw (18) sign indicating number rotating disk (17) and packing ring (20) are socketed on the fixed cover (14) successively is housed, screw (24) sign indicating number rotating disk (19) and the line connection board (21) that has a fixing hole are socketed on the rotating shaft is housed, sign indicating number rotating disk (19) is fixed with rotating shaft with screw (23) and cottor pin (22), to sign indicating number rotating disk (16), to being provided with rectangular teeth and a Baltimore groove on sign indicating number rotating disk (17) and the outer rim to sign indicating number rotating disk (19), the external diameter of sign indicating number rotating disk (17) is slightly larger than to sign indicating number rotating disk (16) with to the external diameter of sign indicating number rotating disk (19), clamp (27) fixes with latch (26), can be meshed to the Baltimore groove on the sign indicating number rotating disk outer rim with three, pulley (47), pulley (43), pulley (55), pulley (56) and self-locking device (9) are fixed in the inner chamber of a body (2), two latches (54) that are socketed with spring (57) are installed in the plug housing (45) of self-locking device (9), its lower end can be meshed with the Baltimore groove on the tooth bar (30), one end of steel wire (46) and door lock (5) join, the other end is walked around pulley (55) and is fixed with latch (54), fixing hole on one end of steel wire (42) and the line connection board (21) fixes, the other end is walked around pulley (43) and is fixed with latch (44), the tooth bar seat (52) of tripper (10) is arranged in the inner chamber of a body (2), gear (51) with gear shaft (58) coaxial rotation is installed in tooth bar seat (52), gear (51) is meshed with tooth bar clamp (49), the axle of unlocking pin lock (48) fixes with door body (2), three to the sign indicating number rotating disk with the axle be hinged, on each outer rim, be provided with rectangular teeth and a Baltimore groove to the sign indicating number rotating disk, the external diameter to the sign indicating number rotating disk in the middle of it is slightly larger than the external diameter to the sign indicating number rotating disk of its both sides, tooth bar clamp (49) can be meshed to the Baltimore groove on the sign indicating number rotating disk outer rim with three, one end of two steel wires (53) and clamp tooth bar (49) fix, the other end is walked around and is walked around pulley (43) behind the pulley (50) respectively and pulley (55) fixes with latch (44) and latch (54), and door lock (5) can be selected the normal domestic use door lock for use.Operating principle is: when desiring to open the door, at first twist scale rotating disk (11), drive sign indicating number rotating disk (16) by rotating shaft, to sign indicating number rotating disk (17) and all corresponding with clamp (27) to the Baltimore groove on sign indicating number rotating disk (19) outer rim, stir door lock (5) with key again, the dead bolt of door lock (5) and clamp (28) holddown groove on the fixed mount (34) are separated, while turning handle (39), make latch (26) by gear (32), latch (31), pin-and-hole on latch (36) and latch (37) and the doorframe (1) is separated, door body (2) is in opening, desire at closing time, at first dial disorderly three positions to the Baltimore groove on the sign indicating number rotating disk outer rim by scale rotating disk (11), turning handle (39) or handle (41) thereupon, make latch (26), latch (31), pin-and-hole on latch (36) and latch (37) and the doorframe (1) plugs, stir door lock (5) with key simultaneously, dead bolt on the door lock (5) is meshed with clamp (28) holddown groove on the fixed mount (34), door body (2) is in closed condition with doorframe (1), when door lock (5) when being destroyed, steel wire (46) is in the state of getting loose, latch (54) is being meshed with Baltimore groove on the tooth bar (30) under the effect of spring (57), the self-locking device (9) of door body (2) is in self-locking state, when coded lock (6) when being in ruined state, steel wire (42) is in the state of getting loose, latch (44) is being meshed with Baltimore groove on the tooth bar (30) under the effect of spring (57), the self-locking device (9) of door body (2) also is in self-locking state, when self-locking device (9) is in the release of self-locking state desire, three that at first rotate tripper (10) to the sign indicating number rotating disk, make the Baltimore groove on the sign indicating number rotating disk outer rim all corresponding with tooth bar clamp (49), turning gear wheel shaft (58) thereupon, a gear shaft (58) and a band gear (51) rotate, tooth bar clamp (4) is being meshed to the Baltimore groove on the sign indicating number rotating disk outer rim with three under the drive of gear (51), and pulling steel wire (53), latch (44) and latch (54) are under the pulling of steel wire (53), overcome the pulling force of spring (57), Baltimore groove on latch (44) or latch (54) and the tooth bar (30) is separated, and the release action finishes.

Claims

1, a kind of automatic antitheft safety door, one side of door body (2) is hinged by hinge (3) and doorframe (1), door body (2) is provided with peephole (4), handle (7), coded lock, door lock (5), handle (41) with handle (39) coaxial rotation, the same tooth bar (29) that can move reciprocatingly constitutes the latch (26) of one, same tooth bar (30) constitutes the latch (31) of one, same tooth bar (59) constitutes the latch (36) and the tooth bar (60) of one, tooth bar (60) fixes with the fixed mount (34) that is provided with clamp (28) and latch (37), the pin tongue of door lock (5) can be meshed with the holddown groove on the clamp (28), it is characterized in that:

The pinion stand (33) of a, rack-and-pinion bolt device (8) is fixed in the inner chamber of a body (2), four sides at pinion stand (33) are respectively arranged with Baltimore groove, tooth bar (29), tooth bar (30), tooth bar (59) and tooth bar (60) place respectively in the Baltimore groove of pinion stand (33), and be meshed with gear (32), same fixed disk (40) constitutes the handle (39) of one and an end of rotating shaft fixes, fix with another handle (41) of fixed disk formation one and the other end of rotating shaft, gear (32) fixes and is supported by splicing sleeve (38) with rotating shaft;

B, the fixed disk (12) of coded lock (6) and fixed cover (14) are individually fixed in the both sides of a body (2), the rotating shaft that constitutes one with scale rotating disk (11) places in the centre bore of fixed disk (12) and fixed cover (14), spring (15), be equipped with screw (25) to sign indicating number rotating disk (16), screw (18) sign indicating number rotating disk (17) is socketed on the fixed cover (14) successively is housed, screw (24) sign indicating number rotating disk (19) and the line connection board (21) that has a fixing hole are socketed on the rotating shaft is housed, sign indicating number rotating disk (19) and rotating shaft are fixed, to sign indicating number rotating disk (16), to being provided with rectangular teeth and a Baltimore groove on sign indicating number rotating disk (17) and the outer rim to sign indicating number rotating disk (19), to the external diameter of sign indicating number rotating disk (17) greater than to sign indicating number rotating disk (16) with to the external diameter of sign indicating number rotating disk (19), clamp (27) fixes with latch (26), can be meshed to the Baltimore groove on the sign indicating number rotating disk outer rim with three;

C, pulley (47), pulley (43), pulley (55), pulley (56) and self-locking device (9) are fixed in the inner chamber of a body (2), installation sleeve is connected to the latch (54) of spring (57) in the plug housing (45) of self-locking device (9), its lower end can be meshed with the spill on the tooth bar (30), one end of steel wire (46) and door lock (5) join, the other end is walked around pulley (55) and is joined with latch (54), fixing hole on one end of steel wire (42) and the line connection board (21) joins, and the other end is walked around pulley (43) and joined with latch (44);

D, the tooth bar seat (52) of tripper (10) is arranged in the inner chamber of a body (2), gear (51) with gear shaft (58) coaxial rotation is installed in tooth bar seat (52), gear (51) is meshed with clamp (49), the axle of unlocking pin lock (48) fixes with door body (2), three to the sign indicating number rotating disk with the axle be hinged, on each outer rim, be provided with rectangular teeth and a Baltimore groove to the sign indicating number rotating disk, in the middle of it to the external diameter of sign indicating number rotating disk external diameter to the sign indicating number rotating disk greater than its both sides, tooth bar clamp (49) can be meshed to the Baltimore groove on the sign indicating number rotating disk outer rim with three, one end of two steel wires (53) and clamp (49) join, and the other end is walked around and walked around pulley (43) respectively behind the pulley (50) and pulley (55) joins with latch (44) and latch (54).