EP3073033A1 - Lock - Google Patents

Abstract

The invention relates to a lock 10 for doors, compartments and flaps, in particular lockers, that can be used unchanged for left-hinged doors as well as for right-hinged doors. This lock 10 has a housing with a closing unit, which comprises a knob, a torque-transmitting connected with a knob rotor, which acts on a longitudinally movable latch 70. On the front side of the rotor, an eccentrically arranged to the rotor axis 45 pin 46 is provided, which engages in a recess 73 at the front of the case 70. As the knob rotates, the rotor and associated pin 46 are moved and the latch 70 is retracted, displacing the latch 70 from the latching position to the unlatching position, pin 46 along a guide surface 731 or guide surface 732, i. in two directions, from its rest position is movable away (Fig. 7).

Description

The invention relates to a lock for doors, compartments and flaps, in particular lockers.

For doors, compartments and flaps, for example, locks are provided with longitudinally displaceable traps. In this case, a matching lock cylinder is fixed in the corresponding hole of the door and moves the trap via an associated mechanism by means of a handle. Further known from the utility model DE 20 213 00 886.6 U1 Combination locks, which have an electronic control unit in the lock housing next to a mechanical area. Only after confirmation of the locking authorization, namely after entering the correct numerical code, the movement of the locking element is possible, namely, in which a lock of the rotary knob is released. It is desirable to use such locks both for left-hinged doors as well as for right-hinged doors.

Object of the present invention is to provide a lock with a latch as a locking element available that can be used unchanged for both left-hinged doors as well as right-hinged doors.

The invention is achieved with a lock with the features of claim 1. Advantageous embodiments describe the subclaims.

This lock for doors, compartments and flaps has a housing with a closing unit, which comprises a knob, a torque-transmitting connected with a knob rotor. The rotor is accommodated in a housing-side stator and acts on a locking element, namely on a displaceable between a locking position and an unlocking, longitudinally movable latch. This trap is preferable spring-loaded in the direction of the locking position. For converting a caused by the knob rotor movement in an opening movement of the trap, a pin is provided on the end face of the rotor, which faces the trap. The pin is arranged eccentrically to the rotor axis and engages in a recess on the front of the case. In the locking position of the latch, the pin is in a rest position on one side of this recess. This contact point is located in the recess of the trap at the location which is closest to the rotor axis. When the knob is turned, the rotor and the associated pin are moved along and the latch is retracted. In this movement, the pin is moved away from its rest position, adjacent to the contact point of the recess of the case, wherein the displacement of the case from the locking position to the unlocked position of the pin in two directions from its rest position is movable away. The pin can, on the one hand, be moved along a first guide surface when the knob is turned clockwise, or, on the other hand, when the knob is rotated counterclockwise, along a second guide surface. The aforementioned guide surfaces are formed by boundary walls of the recess, wherein the guide surfaces extending from the rest position of the pin at the aforementioned contact point in different directions. These guide surfaces may be rectilinear or curved and each extend in a direction away from the rotor direction. Preferably, the guide surfaces are rectilinear and are at an angle of greater than 90 ° to each other.

In addition, as a tamper protection a catch can be arranged pivotably on the case. This two-armed latch has on one side a Andruckarm on the other side a locking arm. The catch is received in a longitudinal slot of the trap. Only in a swivel position of the catch is a retraction of the trap possible. In other pivotal positions, the pin located on the rotor side prevents movement of the latch, as the latching arm of the latch lies in front of this pin. If the locking arm is raised by pressing the pressure arm, the blocking arm projects beyond the pin and the catch can be moved, with the blocking arm being pushed over the pin.

Such a lock can be opened or closed solely by means of a mechanical key.

In a further embodiment, an electronic control unit is provided in the housing, wherein a locking member prevents the movement of the knob without proof of a locking authorization and only upon detection of a locking authorization, the electronic control unit cancels the blockage of the locking member and so the movement of the knob is released. As an input unit for such a control unit can serve a combination lock. Furthermore, as an input unit, an antenna can be arranged in the knob, which cooperates with a separate transponder.

The particular advantage of this invention is that the lock for left-hinged doors as well as right-hinged doors can be used unchanged. Such a lock can be used for doors of cabinets or lockers, for compartments, flaps or similar furniture, e.g. for baths, sports facilities or schools.

Fig. 1

eine perspektivische Ansicht eines erfindungsgemäßen Schlosses vor der Befestigung des Knaufs,

Fig. 2

zeigt eine perspektivische Ansicht des Schlosses von Fig. 1 mit Sicht auf das Innere des Knaufs,

Fig. 3

zeigt eine perspektivische Ansicht des Knaufs von Fig. 2 von hinten,

Fig. 4

zeigt eine perspektivische Ansicht auf die Rückseite des Schlosses von Fig. 1,

Fig. 5

zeigt die Rückseite des Schlosses gemäß Fig. 1,

Fig. 6

zeigt die Rückseite des Schlosses gemäß Fig. 1 ohne Falle,

Fig. 7

zeigt die Rückseite des Schlosses gemäß Fig. 1 mit transparent gezeichneter Falle,

Fig. 8

zeigt einen Ausschnitt der Seitenansicht des Schlosses gemäß Fig. 1 mit transparenter Falle in Verriegelungsstellung,

Fig. 9

zeigt den gleichen Ausschnitt von Fig. 8 in Entriegelungsstellung.

The invention will be described below with reference to an embodiment. The drawing comprises 9 figures, with the invention best in the Fig. 4 such as FIGS. 7 to 9 you can see.

Fig. 1

a perspective view of a lock according to the invention before the attachment of the knob,

Fig. 2

shows a perspective view of the castle of Fig. 1 with a view of the inside of the pommel,

Fig. 3

shows a perspective view of the knob of Fig. 2 from behind,

Fig. 4

shows a perspective view of the back of the castle of Fig. 1 .

Fig. 5

shows the back of the lock according to Fig. 1 .

Fig. 6

shows the back of the lock according to Fig. 1 without a trap,

Fig. 7

shows the back of the lock according to Fig. 1 with transparently drawn trap,

Fig. 8

shows a section of the side view of the castle according to Fig. 1 with transparent latch in locking position,

Fig. 9

shows the same section of Fig. 8 in unlocked position.

The Fig. 1 shows an embodiment of a lock 10 according to the invention, which can be used for both right-hinged and left-hinged doors. The lock 10 comprises a housing 20, in which in addition to a mechanical closing unit and an electronic control unit 90 are provided. This housing 20 is located in the assembled state of the lock 10 at the back of the door. The housing 20 consists of a robust base plate 21 with side frame 25 and a robust, rear, removable cover 24 made of metal.

The embodiment of the lock 10 shown here comprises a longitudinally displaceable latch 70 as a locking element. The front end of the latch 70, which engages a strike plate on a door frame, is cranked, visible on the ledge 75 and provided with a ramp 751, which facilitates engagement in the strike plate. This case 70 can be moved by means of rotational movement of a mounted in the mounted state on the front of the door knob 30 from the locking position in the unlocked position. Here, the rotational movement of the knob 30 via a rotor 40 which is rotatably disposed in a housing-side stator 44, transmitted to the case 70. However, this rotational movement of the knob 30 is only possible if a user is authorized to open a lock for this lock 10, namely the user with a - here not shown - transponder the knob 30 approaches. Then its signals are transmitted to a housing 20 arranged in the control unit 90. This control unit 90, when using the transponder with the correct identity code, causes the latch 70 to be displaced by rotation of the knob 30. This can additionally be indicated by a light signal. For this purpose, at least one, preferably two-color luminous LED 354 is provided on the peg-side circuit board 35, which lights green when approaching the correct transponder and red when approaching a transponder with a false identity code.

In the Fig. 1 on the one hand the knob 30 can be seen, here still in the disassembled state and on the other hand, the housing 20, which is attached to the back of the door. In order to mount the lock 20, a fixing aid in the form of an adhesive pad 23 can be provided in advantageous manner on the base plate 21 of the housing 20. This adhesive pad 23 facilitates the assembly of the lock 10, since the housing 20 is already pre-fixed to the door during the fastening process. The connection with the door can be effected for example via a screw connection. In this example, the base plate 21 at the respective corners corresponding mounting holes 22. During assembly of the lock 10, the front end of the stator 44 is inserted into the door hole. To then secure the stator 44 to the front of the door, a nut 80 is provided which screws onto a thread on the outside of the stator 44. In the assembled state, the door would be between the base plate 21 and the nut 80. On the front of the door protrudes the front end of the stator 44 and in the stator 44, the front end of the rotor 40. At this end face of the rotor 40, a rotor-side board 41 is arranged with contacts 42.

The rotor-side board 41 has a hole for inserting a fastening screw 81 in the center. The fastening screw 81 passes through the entire rotor 40 along its rotor axis 45 and serves to fasten the knob 30. During assembly, this screw 81 can pass through a through-hole 76 of the bolt 70 (please refer Fig. 4 ) and then from the back of the door with the knob 30 are screwed. In a preferred embodiment, the screw 81 is securely retained in the rotor 40. For this screw the knob 30 has a corresponding threaded hole 352, which on the Fig. 3 you can see.

For torque-transmitting connection between the rotor 40 and the knob 30, the rotor 40 on its outer periphery edge recesses 43, which cooperate with corresponding lugs 341 on the back of the knob 30. The lugs 341 on the back of the knob 30 are preferably arranged so that only one position for screwing the knob 30 is possible. The noses 341 are as out Fig. 3 seen in this embodiment provided on an annular receptacle 34 at the back of the knob. Within this annular receptacle 34, the pommel-side circuit board 35 is arranged with its spring contacts 351, which with corresponding spring contacts 351 of the rotor-side board 41 (see Fig. 1 ) interact.

The structure of the knob 30 is best from the Fig. 2 and 3 to see. It consists of a cap-like upper part 31, a ring 32 and a lower part 33. The upper part 31 is preferably made of plastic. The annular frame 312 of the upper part 31 is placed on a peripheral edge 36 of the plate-like lower part 33. The cover 311 of the upper part 31 is preferably made partially transparent, so that light signals can be seen from the outside. For this purpose, the cover 311 may be painted and for a corresponding window image that allows the view of the LEDs 354 or a logo, the paint coating can be removed by laser. In addition, this area may be additionally roughened to see through the light of the LEDs 354, to allow for a better diffusion of the light.

One or more LEDs 354, preferably two-color LED 354, are used. These are located on the peg-side board 35. In Fig. 2 Next to the LED 354 are the spring contacts 351 and protruding Plastic nipple 355 to see. These nipples 355 are used solely to prevent rotation. This facilitates the exact positioning of the on-board circuit board 35 within the knob 30. Within the knob 30, an antenna 353 is further provided, here, for example, a copper coil, which transmits on a frequency of 125 KHz. Such antennas 353 may communicate with known transponders (EM4102, EM4200, T5577). However, other antennas are possible, for example, spirally arranged conductor tracks on the peg-side board 35 (Mifare antennas). Such antennas have a higher safety standard and transmit at frequencies of 13.56 GHz.

The knob-side board 35 is also centrally penetrated by the mounting screw 81. Furthermore, 35 more three screws 332 can be seen in the vicinity of the outer periphery of the pommel-side board. These screws 332 serve to connect the plate-like lower part 33 with the upper part 31 of the knob 30. In the Fig. 3 is the back of the plate-like base 33 can be seen. In this plate-like lower part 33 corresponding screw receptacles 331 are provided, into which the screws 332 are screwed from behind. At the back of the upper part 31 of the knob 30 are also corresponding - not visible here - screw receptacles for the screws 332 and the fastening screw 81 molded in the form of domes.

In addition, a ring 32 made of silicone for the knob 30 is provided in this embodiment. This ring 32 is seated on the frame 312 of the upper part 31 of the knob 30 and has on its outer circumference slip-resistant indentations, which makes the knob 30 in a rotational movement grip.

The assembled knob is 30, as it is in Fig. 3 is shown, fixed on the fastening screw 81 at the front of the door, there is about the spring contacts 351 of the knob-side board 35 and the contacts 42 of the rotor-side board 41 and the in Fig. 4 foil connector 92 shown a connection to the motherboard 91 of the control unit 90, which in the housing 20 at the Rear of the door is added. The film connector 92 is connected at its one end to the motherboard 91 and at its other end to the back of the rotor-side board 41. To enable this connection, like the Fig. 4 and Fig. 6 can be seen on the stator 44, a slot-like opening 441 is provided.

If a user approaches the knob 30 with his transponder, an electronic query is activated. The signals which are exchanged between the transponder and the antenna 353 arranged in the knob 30 and forwarded via the spring contacts 351, 42 and the film connector 92 to the motherboard 91 of the control unit 90 serve to prove the locking authorization of the used transponder. There is wireless communication between the transponder and the control unit 90, wherein the control unit 90 retrieves an identification code from the transponder, compares it with a stored identification code and then decides whether the transponder used and thus the person using the transponder has a locking authorization. In this case, the rotational movement of the knob 30 is released to unlock the lock 10.

In the Fig. 5 the lock 10 is shown with the blocked by the longitudinal slide 60 locking member 50, which prevents rotation of the rotor 40 and the knob 30, the latch 70 is in the locked position. The provided on the motherboard 91 processor controls due to a proven locking authorization by means of the right transponder to the motor 94, which has an actuating element 95 in the form of an eccentric pin with a protruding pin. In this case, the actuator 95 is moved in the counterclockwise direction. The associated pin of the eccentric pin engages in an eccentric guide 66 of a slide 65. The slider 65 is moved over the eccentric guide 66 so that a limit switch 96 is actuated twice in one revolution of the eccentric pin 95, namely once in a position "open" and once in a position "closed". This slide 65 is not synchronous with another slider, the longitudinal slide 60. This is with a stop 63 on the circumference of the eccentric pin 95 and is moved by this. In a motor movement, therefore, the longitudinal slide 60 is moved and the locking element 50 is released, from which in the Fig. 5 and 6 only the lower end 51 can be seen. The opposite engagement end of the locking element 50 engages in a radially introduced, crescent-shaped recess on the rotor 40, whereby rotation of the rotor 40 and thus rotation of the connected to the rotor 40 knob 30 is prevented. Upon displacement of the longitudinal slide 60, the rear end 51 of the locking element 50 can pass from its support point 62 on the longitudinal slide 60, preferably along a slope 64. The slope 64 has the advantage that already at the beginning of the engine actuation rotation of the knob 30, ie without waiting , is possible. The operated by the slider 65 limit switch 96 turns off the motor 94. The caused by the motor 94 caster of the actuating element 95 leads to the displacement of the longitudinal slide 60 to its end position.

Due to the release of the locking member 50, the rotation of the knob 30 and thus also of the rotor 40 is possible. A provided on the rear end face 47 of the rotor 40 and eccentrically to the rotor axis 45 arranged pin 46 is thereby moved, as in Fig. 6 to see. This pin 46 engages in a recess 73 on the front 71 of the case 70. This recess 73 is in the transparent representation of the bolt 70 in Fig. 7 to see. If, for example, the knob 30 is moved in the clockwise direction, the pin 46 slides from its contact point 733 along a guide surface 731, which is formed by a wall of the recess 73. In this case, the pin 46 retracts the latch 70, ie the latch 70 is moved from the locking position to the unlocked position.

The present lock 10 can be used both in doors with right stop, so also in doors with left stop, since a rotation of the knob 30 in the counterclockwise direction in the same way to unlock the case 70 leads. In this case, the pin 46 moves out of its contact point 733, in this case along a guide surface 732, which is also a Limiting wall of the recess 73 is. This movement also leads to the retraction of the trap 70.

In addition, a two-armed latch 74 is disposed on the latch 70, which is pivotally received in a longitudinal slot 78 of the latch 70. The pivot axis 741 is located as in Fig. 4 seen in a recessed paragraph 75 of the latch 70. The latch 74 serves as a tamper protection. The catch 74 has on one side a Andruckarm 742 and on the other side a locking arm 743. The Andruckarm 742 is adapted to the shape of this paragraph 75, so that in the pivoted position of the latch 74 -shown in Figure 9 - The Andruckarm 742 is movable without a supernatant in the paragraph 75, but in the swung-position shown in Figure 8 - This Andruckarm 742 of the latch 74 projects beyond the paragraph 75 to an operation. The locking arm 743 is located in the longitudinal slot 78 at pivoted position of the catch 74 with its free end in front of the pin 46 of the rotor 40. In this position, a longitudinal movement of the latch 70 is blocked from the locking position to the unlocked position. But in the pivoted position of the latch 74, the locking arm 743 is raised to a plane above the pin 46 and can be slid over the pin 46 as the pin 46 is moved along the guide surfaces 731, 732 to move the latch 70 to its unlocked position move.

If the door is open, closing the door in this embodiment, no rotation of the knob 30 is necessary because the case 70 moves automatically due to their spring load back into the locked position. A corresponding spring 72 is in Fig. 4 and 5 shown. This spring 72 is arranged in a corresponding longitudinal groove on the rear side 77 of the latch 70 and is supported by the protruding from the case 70 end at a support point, not shown on the housing 20. If the latch 70 is again in the locking position, the rotor 40 is also in its starting position due to the engagement of the rotor-side pin 46 in the falling-side recess 73. In this rotational position, the engagement end of the locking element 50 engages in a recess on the rotor 40, as well as the Longitudinal slider 60 is moved back into its blocking position due to a spring force, namely the spring 61 and in this case causes the return movement of the blocking element 50. The aforementioned recess on the rotor 40 is preferably limited in the longitudinal direction of the rotor 40, whereby at the same time an axially fixed arrangement between knob 30 and rotor 40 is achieved.

The necessary power supply for the lock 10 is ensured in this case via two batteries with a voltage of 3V, which allows about 10 000 closing cycles. The batteries are arranged in a battery compartment 93 in the housing 20. In this embodiment, no emergency power supply is shown. However, this is possible if, for example, corresponding access holes on the plate-like lower part 33 of the knob 30 are provided in order to provide a corresponding access.

LIST OF REFERENCE NUMBERS

10

lock

20

casing

21

baseplate

22

mounting hole

23

Fixing aid, adhesive pad

24

back cover

25

side frame

30

knob

31

top

311

transparent cover

312

frame

32

ring

33

lower part

331

Schraubenaufhahme

332

screw

34

annular recording

341

nose

35

on-board circuit board

351

spring contacts

352

threaded hole

353

antenna

354

LED

355

Nipple to prevent rotation

36

circumferential edge

40

rotor

41

rotor-side board

42

contacts

43

edge recess

44

stator

441

Opening for 92

45

rotor axis

46

Pin code

47

front

50

blocking part

51

The End

60

longitudinal slide

61

feather

62

support point

63

attack

64

slope

65

pusher

66

eccentric guide

70

Cases

71

front

72

feather

73

Recess for 46

731

guide surface

732

guide surface

733

contact point

74

notch

741

swivel axis

742

pressure arm

743

locking arm

75

paragraph

751

slope

76

Through Hole

77

back

78

longitudinal slot

80

mother

81

fixing screw

90

control unit

91

motherboard

92

foil connector

93

battery

94

engine

95

Actuator, eccentric bolt

96

limit switch

Claims (10)

Lock for closing doors, compartments, flaps, in particular lockers, with a housing (20), a locking unit comprising a knob (30), a stator (44), a rotor (40) connected in a torque-transmitting manner with the knob (30), a locking element and means for converting a rotor movement into an opening movement of the locking element, in which a longitudinally movable latch (70), which is displaceably arranged between a locking position and an unlocking position, is provided as the locking element, - Wherein on the case (70) facing the end face of the rotor (40) eccentrically from the rotor axis (45), a pin (46) is provided which engages in a recess (73) on the front side (71) of the latch (70) wherein the pin (46) is in a rest position on one side of the recess (73) in the locking position of the latch (70), characterized, - That the pin (46) in its rest position at a contact point (733) of the recess (73) of the latch (70) is applied, wherein the abutment point (733) at a position of the recess (73) which of the rotor axis (45) closest, - That the displacement of the latch (70) from the locked position into the unlocked position of the pin (46) from its rest position - adjacent to the contact point (733) of the recess (73) - in two directions, namely the pin (46) on the one hand upon rotation of the knob (30) in a clockwise direction along a first guide surface (731) or the pin (46) on the other hand upon rotation of the knob (30) counterclockwise along a second guide surface (732) of the recess (73) is movable, - Wherein the guide surfaces (731, 732) are formed by boundary walls of the recess (73) and - Wherein the guide surfaces (731, 732), starting from the rotor axis (45) closest to the contact point (733) of the recess (73) each extend in different directions. Lock according to claim 1, characterized in that these guide surfaces (731, 732) are rectilinear or curved and each extending in a direction away from the rotor (40) direction, said guide surfaces (731, 732) preferably at an angle of greater than 90 ° to each other lie. Lock according to claim 1 or 2, characterized in that the latch (70) is spring-loaded and on the latch (70) additionally a two-armed, pivotable catch (74) is arranged, which in a longitudinal slot (78) of the latch (70) received is, wherein the latch (74) on one side of a Andruckarm (742) and on the other side has a locking arm (743). Lock according to one of claims 1 to 3, characterized in that the pivot axis (741) of the two-armed latch (74) on a recessed paragraph (75) of the latch (70) is arranged and the Andruckarm (742) to the shape of this paragraph ( 75) is adapted, namely in the pivoted position of the catch (74) without a projection into the shoulder (75) is pivotable into it, but in the pivoted position of the catch (74) projects beyond the shoulder (75). Lock according to claim 4, characterized in that in the pivoted position of the catch (74) of the locking arm (743) in front of the pin (46) of the rotor (40) and in this position, a longitudinal movement of the latch (70) from the locking position in prevents the unlocked position, but in the pivoted position of the catch (74) of this locking arm (743) is raised in a plane above the pin (46), so that the pin (46) along the guide surfaces (731, 732) movable and the trap (70) is displaceable in its unlocked position. Lock according to one of claims 1 to 5, characterized in that a mechanical key allows opening or closing. Lock according to one of claims 1 to 6, characterized in that the movement of the knob (30) by means of a locking member (50) is locked without a locking authorization, but in the presence of a locking authorization, the control unit (90) releases the blockage of the locking member (50) and the locking element is movable. Lock according to claim 7, characterized in that in the housing (20) an electronic control unit (90) is provided, which cooperates with an input unit for detecting the locking authorization. Lock according to claim 8, characterized in that the interacting with the electronic control unit (90) input unit comprises a combination lock, wherein the movement of the locking member (50) by a longitudinal slide (60) is blocked without entering the correct numerical code, but that when entering the correct numerical codes, the control unit (90) by means of an actuating element (95) causes a displacement of the longitudinal slide (60) from its blocking position to a release position, whereby a displacement of the locking member (50) in the pull-out position is possible. Lock according to claim 8, characterized in that the input unit cooperating with the control unit (90) comprises an antenna (353) which can receive and forward signals of a transponder for detecting the locking authorization, the antenna (353) being arranged in the knob (30) is.

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