CN2278036Y

CN2278036Y - Hanging fastening type safety door lock

Info

Publication number: CN2278036Y
Application number: CN 96214574
Authority: CN
Inventors: 黄鲁生
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-15
Filing date: 1996-06-15
Publication date: 1998-04-08
Anticipated expiration: 2006-06-15

Abstract

The utility model discloses a hanging fastening type safety door lock, which is composed of an internal and an external handles, an inner and an outer sleeves, a lock core, and a combined door bolt. The utility model is characterized in that a matched key which is inserted into the lock core which is arranged in the external handle can poke a steel ball into a locating notch on the inner sleeve; when the lock is put into gear, the lock core, the external handle, and the inner sleeve are integrated by connection, a lever is driven to drive the combined door bolt, and simultaneously the door is locked or opened in upper direction, lower direction, left direction, and right direction; the internal handle is combined with the inner sleeve, pushing a sliding stop iron in the door to control the open and the close of the inner and the outer sleeves, the combined door bolt is driven to become controlling the open and the close of the door; when the lock core or the external handle is damaged, the external force can not open the door by driving the combined door bolt by poking the steel ball into the locating notch on the inner sleeve, and because the door is locked in four directions, the lock is firm and is difficult to pry.

Description

The formula of putting into gear insurance lock

The utility model relates to a kind of door lock, particularly relate to a kind of have only insert lock core by key and just can stir steel ball and put into gear, with inside and outside handle, lock core and inside and outside sleeve combination, thus drive the combination keeper from up and down multi-direction with door with doorframe is sealed or the formula of the putting into gear insurance lock of unlatching.

At present, no matter general door lock is door lock with knob or pin tumbler lock, all is to stop the direct rotational lock core of external force by locking plate or hoodle, has only by valid key locking plate or hoodle displacement are opened; If lock destroyedly, just external force can be directly driven dead bolt or locking bolt open the door by lock core, or directly prize dead bolt and can open the door, these door locks all are that a direction is locked a door, and seem that therefore easily the sled theftproof performance is not strong.

The purpose of this utility model be to use the engage a gear principle design door lock mainly by inner sleeve 9 outer sleeves 13, Internal handle 5, outer handle 14, lock core 11, combination keeper 1 by steel ball 10, bump pearl 12, lever 2, supporting 16, screw 7, pin 6 and slip sear combining structure and form; When handle 14 is connected with inner sleeve 9 outside key is stirred lock core 11 controls, force steel ball 10 to enter locating notch 17 on the inner sleeve 9 by the duct 22 on the outer handle 14, " gearing in " afterwards, lock core 11, outer handle 14 are fused with inner sleeve 9, thereby drive lever 2 and drive the action of combination keeper, can make the combination keeper lock a door or open the door from four direction simultaneously; Internal handle 5 is enclosed within on the inner sleeve 9 by pin 6, and Internal handle is connected with inner sleeve, and lever 2 passes slotted eye 25 and is connected with inner sleeve 9, and it is moving to drive inner sleeve with the Internal handle rotation, thereby drives combination keeper corresponding actions; When needing to lock in door, will be positioned at inner sleeve and push away forward on the breach that snaps in outer sleeve 13 near the slip sear 4 of Internal handle end, slip sear 4 just can be locked with outer sleeve in the door, even the key door of also not opening is being arranged outdoors; If destroyed lock core even outer handle, will make the steel ball 10 can't " gearing in ", make external force lose fulcrum and can't open the door, this engage a gear formula insurance lock structure has overcome existing door lock can or directly prize the shortcoming that dead bolt opens the door by the outside destroy lock core.

Effect of the present utility model and advantage are: can door and doorframe be locked together from four different directions up and down, and very firm, be difficult to prize; If destroyed lock core or outer handle, just the locking steel ball can't be fixed, " hang and do not perform " therefore do not open door yet.

Fig. 1 is the utility model section of structure;

Fig. 2 is the utility model combination keeper action schematic diagram;

Below in conjunction with accompanying drawing in detail the utility model technology contents is described in detail:

The utility model is mainly by inner sleeve 9, outer sleeve 13, Internal handle 5, outer handle 14, lock Core 11, combination keeper 1 are by steel ball 10, collision bead 12, lever 2, screw 7, convex nail 8, pin 6 and slip sear 4 combining structures form. Outer sleeve 13 by nut 3 from the door inboard , rosette 15 is fixed on door from outer side of door; Inner sleeve 9 is by pin 6 and slotted eye 24 and thick stick 25 of bar 2 and slotted eyes are spacing, can not be inside and outside mobile, and outer sleeve 13 is in the 70 degree centers of circle relatively Rotate in the angular region; One circle groove 21 and the convex nail that is positioned on the inner sleeve 9 are arranged on the outer handle 14 8 cooperate the location, makes outer handle can only rotate and can not move outward, on the outer handle 14 in addition one recessed Match with spring latch lock 12 on the inner sleeve 9 in hole 18; Internal handle 5 connects with inner sleeve 9 usefulness screws Connect and fixed by screw 7; Slip sear 4 can be gone forward in inner sleeve 9 and the position 19 of outer sleeve 13 Rear slip, control inner sleeve 9 is opened and is closed with outer sleeve 13; Lock core 11 places outer handle 14 centers, And be stuck in the desired location of outer handle 14 by turn 20, only allow to rotate lock core 11 ends What 2 symmetries were arranged cuts platform 23, and rotational lock core can be controlled the location that steel ball 10 snaps in inner sleeve 9 and lack In the mouth 17 or in the space of cutting platform 23 formation of the duct 22 of the outer handle of retracting and lock core; Composite door Bolt 1 is fixed in the supporting 16 by bearing, can pivot, and controls respectively three or four direction Keeper, its operating principle is (O as shown in Figure 2₁The axle center of hanging fastening type safety door lock, O₂It is group Close the axle center of keeper 1, the state when AB opens for the lever 2 among Fig. 1 is in; A ' B ' is lever 2 are in the state when closed, the with dashed lines statement, the rest may be inferred), the thick stick on the combination keeper 1 Bar 2 passes the slotted eye 25 on the outer sleeve 13, is connected with inner sleeve 9, and with the rotation of inner sleeve 9 And drive combination keeper 1 corresponding actions, make up each keeper 1.1,1.2,1.3 of keeper 1.4 (as shown in Figure 2) can be respectively by corresponding closing on the stopping means 1.5 discrepancy doorframes 1.6 Lockhole. Outside rotating, during handle 14, make the spring latch lock 12 on the inner sleeve 9 enter outer handle 14 Upper corresponding groove 18, outer sleeve is withstood, 17 pairs of the locating notches of duct 22 and inner sleeve Accurate, insert lock core 11 and when rotating, force steel ball 10 by outer handle with the key that is complementary 14 duct 22 enters in the locating notch on the inner sleeve 9, at this moment, lock core 11 end portion with Steel ball connects, and lock core diameter and two diameter of the steel ball sums just are equal to the duct total length and add inner sleeve Tube notch depth sum makes steel ball no room to swing a cat, makes lock core 11, outer sleeve 13 and inner sleeve Tube 9 is connected as a single entity; At this moment, rotate outer handle 17 and just can make inner sleeve 13 interlocks, thereby drive thick stick Bar 2 drives 1 action of combination keeper, finishes the process of locking a door; When swing handle 5 in door, just Can drive inner sleeve 9 and make combination keeper 1 interlock, when needs are locked, as long as with the slip sear 4 push away forward the breach 19 that snaps on the outer sleeve, just inner sleeve 9 and outer sleeve 13 can be locked together , at this moment, even open the door there being outdoors key can not rotate inner sleeve.

Narrate the embodiment of the invention below:

From the door inboard, rosette 15 is fixed on outer sleeve 13 on the door of perforate from outer side of door with round nut 3; With the inner sleeve 9 and the composite member of outer handle 14 outer sleeve 13 of packing into, lever 2 is installed again, make it to pass the slotted eye 25 that outer sleeve is reserved earlier, be fixed on the inner sleeve 9 with pin 6 again, the other end of lever 2 is fixed on an end that makes up keeper 1; The combination keeper be installed in advance the door interlayer in supporting 16 on, one end of each keeper 1.1,1.2,1.3,1.4 is separately fixed at the upper and lower, left and right end of combination keeper, the other end then by spacing 1.5 with on each spacing hole corresponding one by one, simultaneously, screw 6 is installed on the outer sleeve 13, and insert in the slotted eye 24 of inner sleeve 9, peace is changeed slip sear 4, again Internal handle 5 is spun on the inner sleeve 9, then with screw 7 location, just finished whole installation processes, at this moment, just can control and open the door or lock a door by the key of coupling; When locking a door, key revolved turn 90 degrees, make steel ball 10 break away from " gear ", this moment, outer handle 14 was free to rotate; In the time will opening the door, earlier outer handle is threaded to desired location (by bumping pearl 12 location), insert key again and revolve and turn 90 degrees, just can make steel ball " engage a gear ", rotate outer handle 14 and just can open the door; When needs are locked in door, as long as slip sear 4 is pushed forward into the breach 19 of outer sleeve 13, inner sleeve 9 and outer sleeve 13 are linked together, at this moment, even there is being key also can't open the door outdoors.

Claims

1. formula insurance lock of putting into gear, mainly by inner sleeve 9, outer sleeve 13, Internal handle 5, outer handle 14, lock core 11, steel ball 10 and combination keeper 1 combining structure form, be primarily characterized in that lock core 11 places in the outer handle 14, on the outer handle 14 fluted 21 with inner sleeve 9 on the protruding nail 8 in location cooperate the location, and having pit 18 to cooperate with spring latch lock 12, the end of lock core 11 has a symmetry to cut platform 23, the locating notch 17 that has duct 22 to aim on the inner sleeve 9 on the outer handle 14.The slotted eye 25 that lever 2 on the combination keeper 1 passes on the outer sleeve 13 is connected with inner sleeve 9, when key is stirred lock core 11, force steel ball 10 to enter locating notch 17, lock core 11, outer handle 14, inner sleeve 9 are fused, and then drive lever 2 and drive 1 action of combination keepers, from unidirectional supreme left and right sides four direction down with door and doorframe lock.