DE112019007462T5 - Key card cam lock - Google Patents

Abstract

The invention relates to a key card cam lock comprising an outer housing (1), a lock housing (2), a lock base (3), a lock cover (4), a rotary sleeve (5), an electromagnet (6), locking pieces (7) and locking piece springs (8), a tail piece (9), a locking ring (10), steel balls (13), steel ball springs (14), a mounting base (15), a battery holder (16), a bracket (17), step bars (18), pins (19) and pin springs (20), the lock housing (2) and the lock cover (4) being connected to one another, the lock cover (4) being fixedly arranged in the outer housing (1), the rear part (9) being secured by screws is fastened together with the lock core end (11) on the lock base (3), with the rotary sleeve (5) being firmly arranged in the lock housing (2), with two locking pieces (7) being provided in the rear part (9), the front end of each locking piece (7) is rounded, with the rounded front end of the locking piece (7) in contact with the shaft ring (51 ) of the rotary sleeve (5), with the electromagnet (6) being permanently installed in the rear part (9), with a locking shaft (61) being placed on the movable iron core of the electromagnet (6), with the locking shaft (61) being located between the both locking pieces (7) can move back and forth. Since the battery holder is arranged on the carrier and the carrier is connected to the rear part, only the battery holder needs to be turned clockwise for emergency release, whereby the rear part, the lock core end and the bolt are also rotated, so that the function of the emergency release is realized.

Description

technical field

The invention relates to a lock, particularly a key card cam lock.

State of the art

Key card cam locks differ from mechanical cam locks. A certain number of cards can be entered for the hierarchical management of locks. It is suitable for various public door cabinets, shop cabinets or the like. The key card cam locks currently on the market cannot be used normally when the battery is dead. The case has to be opened to change the battery, which is tedious. If the electronic components fail, the entire lock must be removed and the lock is almost useless. The existing key card cam lock cannot ensure that it is ready at all times, and the battery replacement is troublesome.

contents of the invention

The object of the invention is to create a key card cam lock that has quick disassembly, emergency unlocking and easy battery replacement.

This object is achieved by the key card cam lock of the invention, which includes an outer case, a lock case, a lock base, a lock cover, a rotating sleeve, an electromagnet, locking pieces and locking piece springs, a tail piece, a locking ring, steel balls, steel ball springs, a mounting base, a battery holder , a bracket, step rods, pins and pin springs, wherein the lock case and the lock cover are connected to each other to form a receiving space, the lock cover is fixedly arranged in the outer case, the lock base is received in the lock case, the rear part on the lock base is inserted, the rear part being connected to the lock core end by screws, so that the rear part can rotate on the lock base, the rotating sleeve being fixedly arranged in the lock housing, locking pieces being provided in the rear part, the front end of each locking piece being rounded, where the two ends the locking piece spring respectively abuts against the limiting shaft between the center hole of the locking piece and the tail part, the inner wall of the rotary sleeve forming a wave ring, the rounded front end of the locking piece is in contact with the wave ring of the rotary sleeve, the electromagnet is fixedly installed in the tail part, a blocking shaft is fitted onto the movable iron core of the electromagnet, the blocking shaft being able to reciprocate between the two blocking pieces, whereby the blocking shaft can be abutted against or separated from the two blocking pieces; and wherein the lock base is provided with a steel ball rotation groove, wherein the steel ball rotation groove of the lock base includes a plurality of restricting grooves for restricting the position of the steel balls, with two through holes for receiving steel balls are formed at the rear part, the steel ball springs and the steel balls are sequentially inserted into the through holes of the Rear part are brought, the carrier is attached to the top of the rear part, so that the steel balls are limited by the steel ball springs in the limiting grooves of the lock base.

The lock base is provided with three annular grooves around the center, the three annular grooves, from inside to outside, being an unlocking rotary groove, an emergency rotary groove and a steel ball rotary groove, the unlocking rotary groove and the emergency rotary groove serving to cooperate with the locking shaft of the electromagnet, with between a locking shaft passage is provided in the radial direction of the unlocking rotary groove and the emergency rotary groove, and in the locked state, the locking shaft of the electromagnet is located vertically in the passage, allowing the electromagnet to retract and extend.

The outer case is provided with a plurality of countersunk holes for receiving the pin springs and the pins, the pin springs and the pins are successively inserted into the countersunk holes of the outer case and fixed and limited by the lock cover fixed to the outer case, the lock case having a plurality of through holes for Recording of step bars is provided, with a retaining ring for fixing and limiting the step bars being attached to the lock housing.

The invention further comprises a battery cover, a battery holder and a mounting base, wherein the battery cover faces the battery compartment and is fixedly arranged between the lock cover and the lock housing, the battery is inserted into the mounting base, and the battery and the mounting base are then placed in the battery holder be introduced.

• 1. Da das Außengehäuse, der Schlossdeckel und das Schlossgehäuse durch Stufenstäbe und Stifte begrenzt sind, ist die Struktur eines Zylinderschlosses gebildet. Bei der Notentriegelung wird der Notschlüssel eingesteckt, wobei die Stufenstäbe und die Stifte in die Ebene gedrückt werden, in der sich das Schlossgehäuse und der Schlossdeckel berühren. Dabei kann das Außengehäuse durch Drehen gegen den Uhrzeigersinn von dem Schlossgehäuse entfernet werden, so dass die Demontage schnell ist.
• 2.Da der Batteriehalter auf dem Träger angeordnet und der Träger mit dem Heckteil verbunden ist, muss bei der Notentrigelung nur der Batteriehalter im Uhrzeigersinn gedreht werden, wobei das Heckteil, das Schlosskernende und der Riegel mitgedreht werden, so dass die Funktion der Notentriegelung realisiert wird.
• 3. Im abgenommenen Zustand des Außengehäuses kann die Montagebasis zum Montage der Batterie aus der Batterieabdeckung und dem Batteriehalter herausgenommen und eine neue Batterie ausgetauscht werden. Dann wird die Montagebasis wieder in den Batteriehalter und die Batterieabdeckung eingesetzt, wodurch die Funktion des bequemen Batteriewechsels erreicht wird

The technical solution to accomplish the above task is as follows:

• 1. As the outer case, the lock cover and the lock case are limited by step bars and pins, the structure of a cylinder lock is formed. At the note bar ment, the emergency key is inserted, with the step bars and the pins being pressed into the plane in which the lock housing and the lock cover touch. The outer casing can be removed from the lock casing by turning it counterclockwise, so that the disassembly is quick.
• 2.Because the battery holder is placed on the carrier and the carrier is connected to the tail part, emergency release only needs to turn the battery holder clockwise, rotating the tail part, the lock core end and the latch, so that the function of emergency release is realized .
• 3. In the detached state of the outer case, the mounting base can be taken out of the battery cover and battery holder to mount the battery, and a new battery can be replaced. Then the mounting base is put back into the battery holder and battery cover, achieving the function of convenient battery replacement

In the following, the invention is described in detail with reference to the accompanying drawings and the embodiment.

character list

• 1 an exploded view of the invention,
• 2 a sectional view of the first idle state of the invention,
• 3 a sectional view of the second idle state of the invention,
• 4 a sectional view of the first unlocking state of the invention,
• 5 a sectional view of the second unlocking state of the invention,
• 6 a front view of the lock base of the invention,
• 7 a perspective view of the lock housing of the invention,
• 8th a perspective view of the lock housing and the pins of the invention,
• 9 a perspective view of the locking pieces and the locking shaft of the invention,
• 10a perspective view of the rotary sleeve of the invention,
• 11 a representation of the lock housing and the battery cover of the invention,
• 12a perspective view of the arrangement of the battery holder of the invention,
• 13 Figure 13 is another perspective view of the assembly of the battery holder of the invention.

Ways to carry out the invention

As in 1 and 2 1, the present invention is a key card cam lock, comprising an outer case 1, a lock case 2, a lock base 3, a lock cover 4, a rotating sleeve 5, an electromagnet 6, locking pieces 7 and locking piece springs 8, a tail 9, a locking ring 10, a lock plug end 11, a latch 12, steel balls 13, steel ball springs 14, a mounting base 15, a battery holder 16, a bracket 17, step bars 18, pins 19, pin springs 20 and a battery cover 21.

The lock case 2 and the lock cover 4 are joined together to form an accommodation space. The lock cover 4 is fixed in the outer housing 1 . The lock base 3 is accommodated in the lock case 2 . The battery cover 21 faces the battery compartment 16 and is fixedly arranged between the lock cover 4 and the lock housing 2 . The battery 22 is inserted into the submount 15 . The battery 22 and submount 15 are then placed in the battery holder 16 (as shown in Figs 11 until 13 shown) introduced. The rear part 9 is placed on the lock base 3. The rear part 9 is connected to the lock core end 11 by screws so that the rear part 9 can rotate on the lock base 3 . The rotating sleeve 5 is fixed in the lock housing 2 . Two locking pieces 7 are provided in the rear part 9 . The front end of each locking piece 7 is rounded. The two ends of the locking piece spring 8 rest against the limiting shaft between the center hole of the locking piece 7 and the rear part 9, respectively. The inner wall of the rotary sleeve 5 forms a wave ring 51. The rounded front end of the locking piece 7 is in contact with the wave ring 51 of the rotary sleeve 5 (as in 10 shown). The electromagnet 6 is permanently installed in the rear part 9. A locking shaft 61 is placed on the movable iron core of the electromagnet 6. The locking shaft 61 can move back and forth between the two locking pieces 7 (as in 9 shown). The blocking shaft 61 can rest against the two locking pieces 7 or be separated from them.

As in 6 As shown, the lock base 3 is provided with three annular grooves around the center. The three annular grooves are, from inside to outside, an unlocking rotary groove 31, an emergency rotary groove 32, and a steel ball rotary groove 33. The unlocking rotary groove 31 and the emergency rotary groove 32 are used to connect with the locking shaft 61 of the electromagnet 6 to cooperate. The steel ball turning groove 33 serves as a rolling groove of the steel balls 13. Between the unlocking turning groove 31 and the emergency turning groove 32, a lock shaft passage 34 is provided in the radial direction. In the locked state, the blocking shaft 61 of the electromagnet 6 is located vertically in the passage 34, allowing the electromagnet 6 to retract and extend. The steel ball rotating groove 33 of the lock base 3 includes four restricting grooves 35 for restricting the position of the steel balls 13. Two through holes for receiving steel balls 13 are formed on the rear part 9. The steel ball springs 14 and the steel balls 13 are inserted into the through holes 91 of the tail body 9 one by one. The carrier 17 is attached to the top of the rear part 9 so that the steel balls 13 are delimited by the steel ball springs 14 in the delimiting grooves 35 of the lock base 3 . Here, the unlocking rotation groove 31 may be a single groove.

The outer housing 1 is provided with several countersunk holes for receiving the pin springs 20 and the pins 19 (as in Fig 8th shown). The pin springs 20 and the pins 19 are introduced one after the other into the countersunk holes of the outer housing 1 and are fixed and limited by the lock cover 4 fastened to the outer housing 1 . The lock housing 2 is provided with a large number of through-holes 22 for receiving step bars 18 (as in 7 shown). A retaining ring 10 for fixing and limiting the step bars 18 is attached to the lock housing 2 . The step bars 18 and the pins 19 have different sizes. The clockwise sizes of the step bars 18 and pins 19 are: "small", "medium" and "large".

1. 1. Leerlauf des Schlosses: Wenn die Drehhülse 5 gedreht wird, bewegt sich die Sperrstücke 7 unter der Wirkung des Wellenrings 51 und der Federn hin und her (wie in 2 und 3 gezeigt). Die Kraft der beiden Stahlkugelfedern 14 und Stahlkugeln 13 ist viel größer als die kraft der Sperrstücke 7, so dass die Drehhülse 5 das Heckteil 9 nicht mitdreht. Die Drehhülse 5 ist mit dem Schlossgehäuse 2, dem Schlossdeckel 4 und dem Außengehäuse 1 verbunden. Daher wird, wenn das Außengehäuse 1 die Drehhülse 5 mitdreht, das Schloss nicht geöffnet, wodurch ein Leerlaufeffekt realisiert wird.
2. 2. Entriegelung des Schlosses: Das elektronische Schloss verwendet eine IC-Karte. Mehrere und mehrstufige Karten können zur Verwendung durch den Kunden eingegeben werden.

The working principle of the invention is as follows:

1. 1. Lock idling: When the rotary sleeve 5 is turned, the locking piece 7 moves back and forth under the action of the wave ring 51 and springs (as in 2 and 3 shown). The force of the two steel ball springs 14 and steel balls 13 is much greater than the force of the locking pieces 7, so that the rotating sleeve 5 does not rotate the rear part 9. The rotating sleeve 5 is connected to the lock housing 2 , the lock cover 4 and the outer housing 1 . Therefore, when the outer casing 1 rotates the rotary sleeve 5, the lock is not opened, realizing an idle effect.
2. 2. Lock unlocking: The electronic lock uses an IC card. Multiple and multi-level cards can be entered for customer use.

As in 6 shown, the unlocking turning groove 31 of the lock base 3 is the turning groove when the movable iron core of the electromagnet 6 is sucked. The wall between the unlocking turning groove 31 and the emergency turning groove 32 can prevent the lock shaft 61 from popping out when turning, thereby invalidating the unlocking. The emergency turning groove 32 in the center is a groove used for moving the locking shaft 61 during emergency unlocking. The largest steel ball turning groove 33 is the groove in which the steel balls 13 roll.

As in 1 , 2 , 4 , 5 shown, when the power is on, the IC card is used to open the lock. The green light on the circuit board flashes. The moving iron core of the electromagnet 6 recedes. In the retracted position, the blocking shaft 61 is located between the two locking pieces 7 of the rear part 9. When the outer housing 1 is rotated, the rotating sleeve 5 rotates with it. The shaft ring 51 of the rotary sleeve 5 presses the locking pieces 7. Since the locking shaft 61 is sandwiched between the two locking pieces 7, the locking pieces 7 cannot move back and forth. At this time, the outer case 1, the lock cover 4, the lock case 2, the rotating sleeve 5, the locking pieces 7, the blocking shaft 61, the tail part 9, the lock core end 11 and the bolt 12 are considered as a whole. If the force provided by turning the outer housing 1 clockwise is greater than the force of the two steel balls 13 and the steel ball springs 14 on the rear part 9, the bolt 12 can be moved with it so that the lock is unlocked.

After opening the lock by turning 90° clockwise, the blocking shaft 61 of the electromagnet 6 is still in the smallest groove of the lock base 3. At this time, the electromagnet 6 is still in the withdrawn state, even if it is not energized, and can block the two locking pieces 7. If the outer housing 1 is rotated counterclockwise, the bolt 12 can be rotated as well, so that the lock is locked.

3.Emergency unlocking: Six countersunk holes are provided in the outer housing 1 to accommodate the pin springs 20 and the pins 19. The lock cover 4 is fixed to the outer casing 1 with screws, which provides a fixing and limiting effect of the pins 19. The lock casing 2 is provided with six through holes for receiving the step rods 18. The retaining ring 10 is arranged under the lock housing 2 and is fastened with screws for fixing and limiting the step rods 18 . The step bars 18 and pins 19 are of three sizes. The size of the step bars 18 and pins 19 clockwise are: "small", "medium" and "large". The order in which they are arranged is intended to prevent the stepped rods 18 and the pins 19 from protruding into the groove of the lock housing 2 when turning. At the Mon After the outer case 1 and the lock case 2, the outer case 1 is put onto the lock case 2 in a clockwise direction, inserting the six pins 19 on the outer case 1 into the six through holes on the lock case 2, so that the outer case 1 and the lock case 2 are fixed.

When using the emergency key, the teeth of the key push the step bars 18 into the plane in which the lock housing 2 and the lock cover 4 touch. At this time, the step bars 18, the pins 19, the lock case 2 and the lock cover 4 are in the same plane. The outer casing 1 can be removed from the lock casing 2 by turning it anti-clockwise (as in Fig 12 shown).

The battery cover, the battery holder 16, the carrier 17, the rear part 9, the lock core end 11 and the bolt 12 are connected as a whole. After the outer case 1 is detached, the battery compartment 16 is rotated clockwise. The blocking shaft 61 of the movable iron core of the electromagnet 6 moves in the blocking shaft passage 34 of the lock base 3. When the force to rotate the battery holder 16 clockwise is greater than the force of the steel ball springs 14 and the steel balls 13 on the rear part 9, the battery holder rotates 16 with the bolt 12 clockwise, whereby an emergency unlocking effect is achieved. Also, by turning the battery holder 16 counterclockwise in this state, the lock can be closed.

4. Rapid battery replacement: When the outer housing 1 is removed, the mounting base 15 can be removed from the battery cover 21 and the battery holder 16 for mounting the battery and a new battery can be replaced. Then the mounting base 15 is inserted into the battery holder 16 and the battery cover 21 again, achieving the function of convenient battery replacement (as in Fig 13 shown).

Reference List

1

outer case

10

retaining ring

11

lock core end

12

bars

13

steel ball

14

steel ball spring

15

mounting base

16

battery holder

17

carrier

18

step bar

19

pen

2

lock case

20

pen spring

21

battery cover

22

battery

3

castle base

31

unlocking turning groove

32

emergency turning groove

33

steel ball turning groove

34

Blockage Shaft Passage

35

limiting groove

4

lock cover

5

rotating sleeve

51

wave ring

6

electromagnet

61

blocking shaft

7

locking piece

8th

locking piece spring

9

tail section

91

through hole

Claims (4)

Key card cam lock comprising an outer case (1), a lock case (2), a lock base (3), a lock cover (4), a rotating sleeve (5), an electromagnet (6), catches (7) and catch springs (8) , a tail (9), a locking ring (10), steel balls (13), steel ball springs (14), a mounting base (15), a battery holder (16), a bracket (17), step bars (18), pins (19) and pin springs (20), wherein the lock case (2) and the lock cover (4) are connected to each other to form a receiving space, the lock cover (4) being fixedly arranged in the outer case (1), the lock base (3) is accommodated in the lock housing (2), the rear part (9) being placed on the lock base (3), the rear part (9) being connected to the lock core end (11) by screws, so that the rear part (9) is on the Lock base (3) can rotate, wherein the rotary sleeve (5) is fixed in the lock housing (2) is arranged, in the rear part (9) locking pieces (7) vo are seen, wherein the front end of each locking piece (7) is rounded, the both ends of the locking piece spring (8) respectively on the limiting shaft between the center hole of the locking piece (7) and the rear part (9), the inner wall of the rotary sleeve (5) forming a wave ring (51), the rounded front end of the locking piece (7) being in contact with the wave ring (51) of the rotary sleeve (5), the The electromagnet (6) is permanently installed in the tail section (9), with a blocking shaft (61) being placed on the movable iron core of the electromagnet (6), with the blocking shaft (61) being able to move back and forth between the two locking pieces (7). , whereby the locking shaft (61) can abut against the two locking pieces (7) or can be separated from them; and wherein the lock base (3) is provided with a steel ball turning groove (33), wherein the steel ball turning groove (33) of the lock base (3) contains a plurality of limiting grooves (35) for limiting the position of the steel balls (13), wherein the rear part (9 ) two through holes for receiving steel balls (13) are formed, the steel ball springs (14) and the steel balls (13) being successively brought into the through holes (91) of the rear part (9), the carrier (17) being on the upper side of the Rear part (9) is fixed so that the steel balls (13) are limited by the steel ball springs (14) in the limiting grooves (35) of the lock base (3). Key card cam lock after claim 1 , characterized in that the lock base (3) is provided with three annular grooves around the center, the three annular grooves being, from inside to outside, an unlocking turning groove (31), an emergency turning groove (32) and a steel ball turning groove (33), wherein the unlocking rotary groove (31) and the emergency rotary groove (32) serve to cooperate with the locking shaft (61) of the electromagnet (6), a locking shaft passage (34) being provided in the radial direction between the unlocking rotary groove (31) and the emergency rotary groove (32). is provided, wherein in the locked state the blocking shaft (61) of the electromagnet (6) is located vertically in the passage (34), the electromagnet (6) being able to retract and protrude. Key card cam lock after claim 1 , characterized in that the outer housing (1) is provided with a plurality of countersunk holes for receiving the pin springs (20) and the pins (19), the pin springs (20) and the pins (19) being successively inserted into the countersunk holes of the outer housing (1) are introduced and are fixed and delimited by the lock cover (4) fastened to the outer housing (1), the lock housing (2) being provided with a large number of through holes (22) for receiving stepped rods (18), the lock housing (2) a retaining ring (10) for fixing and limiting the step bars (18) is attached. Key card cam lock after claim 1 , characterized by a battery cover (21), a battery holder (16) and a mounting base (5), wherein the battery cover (21) faces the battery compartment (16) and is fixedly arranged between the lock cover (4) and the lock housing (2). wherein the battery (22) is inserted into the submount (15), and wherein the battery (22) and the submount (15) are then inserted into the battery holder (16).

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