CN2259463Y

CN2259463Y - Electromechanical two-purpose lock

Info

Publication number: CN2259463Y
Application number: CN 96204194
Authority: CN
Inventors: 潘洪源; 谢涵林
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-02-09
Filing date: 1996-02-09
Publication date: 1997-08-13
Anticipated expiration: 2006-02-09

Abstract

The utility model relates to an electromechanical two-purpose lock, comprising a lock core, a lock tongue, a set of joints with shafts, a movable seat and a mechanical switch system of the switching mechanism which can make the rotation of the lock core changed into the axial movement of the movable seat, a set of electromagnetic clutches, and an electronic switch system, the inner part of which is provided with iron sheets. The shaft joints and the movable seat are respectively fixed with square shafts, the sizes and the shapes of the cross sections of the square shafts are same, and the square shafts of the shaft joints are movably sheathed with connecting sleeves. The provided iron sheets are provided with a set of bosses which can push the connecting sleeves to move, and the end surfaces of the connecting sleeves are provided with inclined notches which can destroy the residual magnetism action. The utility model solves the problems of unreliability, unsafety, inconvenience, etc. of the existing dual-purpose lock switch.

Description

The dynamoelectric dual-purpose lock

The utility model relates to a kind of lockset, and particularly a kind of available password or IC-card open and close, the dual-purpose lock that also available key opens and closes.

Chinese patent 91202424.0 disclosed dual-purpose electronic locks also have following shortcoming: 1) after the lock that accessed to your password out, the active force that the remanent magnetism that leaves in the ring concentrator might overcome the clutch spring continues to hold video disc, cause its slide can not throw off with deck, thereby this has locked into often unblanking, and can not close again; 2) when opening the lock with the key, because of occurring skidding between slide and the ring seat easily, make the moment of torsion on the lock core can't pass to deck, so this is locked in and has become the normally closed lock that can't open this moment again.In addition, lock core only allows key just can extract from lock core when rotating a whole circle with the inclined plane embedding between the deck, so use inconvenient, also not really safe; Also have, than the center height, therefore reduced the area that fits with video disc in attracting process around the ring concentrator, the magnetic effect is relatively poor, so not too firm with password unlocking.

The purpose of this utility model is to overcome the shortcoming that exists in the above-mentioned prior art, a kind of available IC-card, password are provided, perhaps can unblank reliably and the dynamoelectric dual-purpose lock of locking safely, and make it have characteristics easy to use, long service life with key.

The dynamoelectric dual-purpose lock includes following structure and forms: 1) lock core parts; These parts are fixed on by its shell in the endoporus of handle base, and its lock core can drive the motion of making switch lock by the key that is rotating; 2) dead bolt; 3) cover comprised the shaft coupling affixed, band back-moving spring with dead bolt sliding seat, can make the rotation of lock core convert the mechanical switch system of the axially movable switching mechanism of sliding seat to, wherein sliding seat is installed in the handle base, and its outside wall surface has axial raised line; 4) cover has comprised electromagnetic clutch, the interior ESS Electronic Switching System towards iron plate of kink on fixed mount of band field coil assembly and iron-clad; Characteristics of the present utility model are: 1) respectively affixed square shaft on shaft coupling in mechanical switch system and the sliding seat, this two square shafts coaxial line and cross section be the identical square of size, wherein on the square shaft of shaft coupling kink be with the clutch collar of back-moving spring; 2) in ESS Electronic Switching System, interiorly have one group on the iron plate and can in its magnetic process, promote to engage the axially movable boss of interplanting; 3) between machinery and ESS Electronic Switching System, have and take off magnetism mechanism, this mechanism be one group be arranged on the clutch collar end face can be when clutch collar rotates the oblique recess on the band slope of the boss on the iron plate in counter the pushing away.

Mechanical switch system can adopt key unlocking, and at this moment the key of Zhuan Donging is driving lock core, by switching mechanism sliding seat is moved axially in handle base; Sliding seat square shaft on it in moving inserts clutch collar, square shaft on the square shaft coaxial fitting on the sliding seat is integrally combined, as swing handle at this moment, then this moment of torsion rotates sliding seat by the raised line with the engagement of handle base inwall, and by two square shafts that integrally combine dead bolt is opened again.The key that can reverse when shutting, sliding seat resets under spring action, and the square shaft on it is withdrawn from from clutch collar, that is two square shafts throw off, and causes the moment of torsion on the handle can't drive dead bolt.

ESS Electronic Switching System is pressing numerical ciphers or to insert the IC-card sheet and unblank, electronic circuit energising at this moment, in the iron-clad magnetic of electromagnetic clutch towards iron plate; This iron plate is in attracting process, and the boss pushing tow on it clutch collar, makes on its square shaft that is inserted into sliding seat, realizes the combination of two square shafts and transmits moment of torsion on the handle.During the electronic circuit outage, clutch collar should be under spring action from the square shaft of sliding seat withdraw from and promote in reset towards iron plate, can not reset towards iron plate roof pressure clutch collar in making as the remanent magnetism that leaves on the electromagnetic clutch, rotatable handles so, at this moment the boss on the iron plate in the pushing tow in rotation of the oblique recess on the clutch collar end face resets this iron plate, meanwhile, clutch collar resets under spring action, realizes that two square shafts break away from, lock cuts out.

Switching mechanism in the utility model dynamoelectric dual-purpose lock is screw mechanism preferably, and this machinery includes the overhanging screw rod that is arranged on cylinder core and can make inner bolt hole on the sliding seat of gear motion with this screw rod.

Between shaft coupling in the utility model dynamoelectric dual-purpose lock and two square shafts of sliding seat, a pilot pin that has buffer spring can be installed, so that the position centering of two square shafts in the clutch process, thereby clutch action is accurately, lightly.

The electromagnetic clutch of the utility model dynamoelectric dual-purpose lock, its iron-clad is uncovered circle ring column, the inside and outside annulus of this circle ring column is contour and be higher than magnet exciting coil setting height(from bottom) on its direction, and the diameter of outer toroid be not more than in towards the outside diameter of iron plate.

To and contrast accompanying drawing by embodiment below, the utility model will be further described below.Have in the accompanying drawing:

Fig. 1 is the positive view of dynamoelectric dual-purpose lock;

Fig. 2 is this shaft parts mapping when being locked in axial decompose;

Fig. 3 is the part drawing of clutch collar, and (a) and (b) wherein, (c) are respectively its positive view, vertical view and left views;

Fig. 4 is interior part drawing towards iron plate, and wherein (d), (e) are respectively elevation, left view.

See that from Fig. 1 and Fig. 2 the utility model dynamoelectric dual-purpose lock includes lock core parts 1, dead bolt 14, a cover mechanical switch system, a cover ESS Electronic Switching System and takes off magnetism mechanism.

Mechanical switch system include one with the sliding seat 3 of the affixed shaft coupling of dead bolt 9, a band back-moving spring 5, the clutch collar 6 of a band back-moving spring 5, and one group of rotation that can make lock core of being made up of the overhanging screw rod 11 and the inner bolt hole 32 on the sliding seat of cylinder core converts the axially movable screw mechanism of sliding seat to.Shaft coupling 9 is affixed with lock shaft with dead bolt 14, and it is foursquare square shaft 4 that its right-hand member has the cross section; Sliding seat 3 kinks are installed in the endoporus of handle base 2, see from Fig. 2, have axial raised line 31 on its outside wall surface, so that sliding seat can move axially in endoporus, also can follow handle and rotate together; The left end of sliding seat, with chimeric mode affixed the square shaft 4 of the identical square sectional of square shaft of its size and shape coaxial fitting, the center of this square shaft is also affixed columniform pilot pin 12, pilot pin is held the square shaft endoporus that inserts shaft coupling 9 in the movable sleeve mode in addition, buffer spring 13 is housed in the endoporus, pilot pin can be stretched in this endoporus.Clutch collar 6 has the square inner bore that is complementary with square shaft 4, and its kink can be tried hard to recommend moving lower edge square shaft outside and move right on the square shaft of shaft coupling 9, also can reset left under back-moving spring 5 effects.

ESS Electronic Switching System has comprised interior towards iron plate 8 on fixed mount 10 of the electromagnetic clutch of band field coil assembly 7 that whether an electronic circuit control of being handled by numerical ciphers or IC-card switch on and iron-clad 15, kink.In can see also that towards the structure of iron plate 8 four boss 81 of projection are to the right arranged around its centre bore from Fig. 4, this boss can promote clutch collar 6 and move axially in the magnetic process, so that on the square shaft of clutch collar endoporus insertion sliding seat.Interior three through holes 82 on iron plate are used to make its kink at fixed mount 10.

Take off the oblique recesses 62 that magnetism mechanism is arranged on the clutch collar end face four band slopes 61, express its planform on Fig. 3, when clutch collar rotates, this slope with in the pushing tow towards iron plate so that its reset left.

During in use with key unlocking, overhanging screw rod 11 rotations on the lock core move to left sliding seat 3 by the screw 32 that is engaged with, and the square shaft 4 on it inserts the endoporus of clutch collar 6 under pilot pin 12 guiding; At this moment swing handle, the moment of torsion on the handle square shaft on the square shaft by the raised line 31 on the movable Cuo 3, sliding seat, clutch collar, the shaft coupling respectively make the dead bolt motion of unblanking.When shutting with key, the key that can reverse, sliding seat this moment resets to the right under spring 5 effects, and the square shaft on it is withdrawn from clutch collar 6, makes two square shafts separately, position as shown in Figure 1, so the moment of torsion on the handle can't pass to dead bolt, dead bolt can not rotate.

When electronics is unblanked, connect electronic circuit with input password or insertion IC-card, but in magnet exciting coil 7 energising at this moment, iron-clad 15 magnetic towards iron plate 8, in this attracting process, the boss 81 on the iron plate promotes clutch collar 6, makes it the while kink on two square shafts, thereby make the moment of torsion on the handle can reach dead bolt, lock is opened, and after three seconds, the electronic circuit automatic disconnection.The strong magnetic of electromagnetic clutch disappears during electronic lock, and clutch collar withdraws from the square shaft of sliding seat under spring 5 effects, and by resetting towards iron plate in the clutch collar promotion.If electromagnetic clutch is after outage, because of remanent magnetism suction can not reset clutch collar greater than back-moving spring power, rotatable handles rotates clutch collar so; Clutch collar towards the boss 81 of iron plate, makes iron plate throw off from iron-clad 15 in slope 61 pushing tows on the oblique recess 62 of its end face in rotation; Meanwhile, clutch collar resets under spring action, realizes separating of two square shafts, thereby shuts.

The iron-clad 15 of the utility model dual-purpose lock is the circle ring column that left end opens wide, and in its annulus cylindrical space field coil assembly 7 has been installed; Component height after the installation (being the length of horizontal direction in Fig. 1) is lower than the end face of annulus, and inner and outer ring is contour, the outer toroid diameter is not more than interior external diameter towards iron plate, so that the interior attraction that can obtain strong magnetic force towards the plane of iron plate guarantees the reliability that electronics is unblanked.

The advantage of the utility model dynamoelectric dual-purpose lock is: 1) in the process of unblanking because with square shaft Transmitting torque is avoided skidding of driving member, and electromagnetic clutch guarantees its from structure Strong magnet attraction effect, it is reliable therefore to unblank; 2) shut in the process and can overcome electromagnetic clutch Left magnetic effect, therefore guaranteed the security of locking; 3) lock core is with between the sliding seat Screw mechanism can make key take off easily, thereby has kept the confidentiality of key.

Claims

1, a kind of dynamoelectric dual-purpose lock includes following structure composition:

Lock core parts (1);

Dead bolt (14);

One cover comprised the shaft coupling affixed (9), band back-moving spring (5) with dead bolt sliding seat (3), can make the rotation of lock core convert the mechanical switch system of the axially movable switching mechanism of sliding seat to;

One cover has comprised electromagnetic clutch, the interior ESS Electronic Switching System towards iron plate (8) of kink on fixed mount (10) of band field coil assembly (7) and iron-clad (15);

Feature of the present utility model is:

1) shaft coupling in mechanical switch system (9) and sliding seat (3) have gone up a square shaft (4) affixed respectively, and this two square shafts coaxial line and cross section be big or small identical square, wherein on the square shaft of shaft coupling kink the clutch collar (6) of band back-moving spring (5);

2) in ESS Electronic Switching System, interiorly have one group on the iron plate (8) and can in its magnetic process, promote clutch collar (6) and make axially movable boss (81);

3) between machinery and ESS Electronic Switching System, have and take off magnetism mechanism, this mechanism be one group be arranged on the clutch collar end face can be when clutch collar rotates the oblique recess (62) on the band slope (61) of the boss on the iron plate in counter the pushing away.

2, dual-purpose lock as claimed in claim 1, it is characterized in that: the switching mechanism in the said mechanical switch system can be screw mechanism, and this mechanism includes the overhanging screw rod (11) that is arranged on cylinder core and can make inner bolt hole (32) on the sliding seat of gear motion with this screw rod.

3, dual-purpose lock as claimed in claim 1 is characterized in that: between said two square shafts (4), the pilot pin (12) of a band buffer spring (13) can be installed.

4, as claim 1,2 or 3 described dual-purpose locks, it is characterized in that: the iron-clad in the said electromagnetic clutch (15) is uncovered circle ring column, the inside and outside annulus of this circle ring column is contour and be higher than magnet exciting coil setting height(from bottom) on its direction, and the diameter of outer toroid be not more than in towards the outside diameter of iron plate.