JP3653134B2 - Electric lock - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electric lock that is latched and unlocked by a handle operation when a latch bolt is immersed by the handle operation and an electromagnet is energized.
[0002]
[Prior art]
In the conventional electric lock, for example, as shown in Japanese Patent Publication No. 4-12351, a box lock having a dead bolt and a latch bolt is embedded in the door, and an outer escutcheon attached to the outdoor surface of the door has a password. A battery that is a power source for the inner escutcheon that is attached to the indoor side surface of the door, and is provided with an input setting unit that inputs the power, a cylinder lock that is mechanically locked and unlocked, and a solenoid that is electrically locked and unlocked In many cases, the control board is accommodated and a handle for inserting the latch bolt into both escutions is provided.
[0003]
[Problems to be solved by the invention]
In such an electric lock, the wiring connected to the circuit board and the battery of the control unit in the inner escutcheon passes through the door and is connected to the input setting unit and the solenoid in the outer escutcheon. The trouble of processing, the need to install a connection connector on the wiring, the trouble of waterproofing, and the difficult work of wiring between both escutions, and the problem of high cost due to increased man-hours for wiring work, connection There was a problem of poor contact due to the connector.
[0004]
If the existing door lock with a box lock for mechanically operating the dead bolt and latch bolt is to be modified to an electric lock by adding a mechanism for electrically locking and unlocking, the above hole processing is performed. And wiring is a site work that is harder to work than in-factory work, and there are problems such as inefficiency and high costs.
In addition, it is desirable that the electric lock can be used for both right and left doors.
SUMMARY OF THE INVENTION The present invention aims to solve such a problem, and consolidates the power supply, input setting unit, electric actuator (solenoid) and wiring into the outer escutcheon, so that the installation work to the door or the existing door lock can be electrically locked. It is an object of the present invention to provide an electric lock that facilitates the work of remodeling, has good operability, and can be used both left and right.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the electric lock of the present invention comprises:
An electric lock that is provided in a lock case embedded in the door and operates a hub that causes the latch bolt to protrude and retract from the lock case and a cam that is provided in the lock case and causes the dead bolt to protrude and retract. In
A battery that is a power source, an input setting unit that inputs a number, and an electromagnet that is energized by inputting a number to the input setting unit are disposed on the main body fixed to the outdoor surface of the door. Inside, a hub that is rotated by a handle operation, a retractor plate that is moved by the rotation of the hub, a slide plate that is provided so as to be movable in the same direction as the retractor plate, and a long axis that has one end A hook plate pivotally attached to the retractor plate and provided at the other end engages and disengages with the slide plate, and a cam groove is provided to be movable in the same direction as the retractor plate and pushes the long shaft. And a movable piece that is attracted when the electromagnet is energized, and is engaged with the retractor plate via a magnet spring, and the slide plate It includes a link plate which is biased to the destination is the neutral position, is connected to the cam, and a drive shaft having a pair of axes that are pushed to the link plate,
When the movable piece is attracted, the magnet holder is prevented from moving, and by moving the retractor plate, the long axis of the hook plate is pushed into the cam groove, and the engaging projection of the hook plate is moved to the slide plate. The link plate that engages with the retractor plate and pushes one of the pair of shafts so that the drive shaft rotates between a locking angle and an unlocking angle. It is.
[0006]
A cylinder lock fixed to the main body, a cylinder cam that is rotatably provided in the main body, engages with a rotor of the cylinder lock, has an eccentric shaft, and is movable in the same direction as the slide plate. It is possible to provide a lock retractor that engages with the slide plate via a lock spring and has an engagement recess into which the eccentric shaft is engaged.
[0007]
When the link plate pushes one of the pair of shafts, the link plate may tilt to a position where the other shaft does not contact.
Further, when the pair of shafts is parallel to the lower end of the link plate and the link plate contacts the pair of shafts, the link plate is tilted by being pushed by one of the pair of shafts. It is preferable to provide the link plate with an inclined surface.
A pair of switches for detecting the rotation of the drive shaft may be provided in the main body, and a projecting surface for operating the switch may be formed at one end of the drive shaft.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a main body A attached to the outdoor surface of a door, and FIG. 2 is a partially broken side view of FIG.
As shown in FIGS. 2 and 14, the main body A fixed to the door D is composed of an outer escutcheon 1 and a back plate 7 that closes the back surface of the outer escutcheon 1. As shown in FIG. 1 is provided with a cover cover 2 that is slidable upward, and a cylinder lock cover 3 that can be tilted forward is provided below the cover cover 2. A rectangular shaft portion of the handle is provided below the cylinder lock cover 3. Is provided with a handle insertion hole 4.
[0009]
As shown by the chain line in FIG. 2, when the covering cover 2 is slid upward and opened, the input setting section 5 for inputting a personal identification number by operating a plurality of switches is exposed, and the cylinder lock cover 3 is tilted forward. A key can be inserted into a key hole (not shown) of the cylinder lock 6 (see FIGS. 1 and 2).
A case 89 that houses a battery as a power source is provided at the lower end of the outer escutcheon 1.
A back plate 7 is fastened to the back surface of the outer escutcheon 1 with screws 8 (see FIG. 6).
[0010]
The outer escutcheon 1 and the round seat 1 '(see FIG. 14) connecting shaft (not shown) male threaded portion are screwed into the screw holes 16 (see FIG. 8) provided in the back plate 7, and the outer escutcheon 1 and the round seat 1 'Is attached to both sides of the door.
A cylindrical portion 10 that protrudes to the outside of the back plate 7 is formed substantially at the center of the back plate 7, and a male screw 11 a provided on the outer peripheral surface of the cylinder attachment 11 is connected to a female screw 10 a that is screwed on the inner surface of the cylindrical portion 10. Are screwed together (see FIGS. 7 and 8).
[0011]
A cam insertion hole 12 is provided below the cylindrical portion 10, guide long holes 13 and 14 are provided on both sides of the cam insertion hole 12, a hub insertion hole 15 is provided below the cam insertion hole 12, and a hub insertion hole 15 is provided. The screw 17 inserted into the hole 9 provided on the lower side is fixed to the front end surfaces of the two shafts 19 provided in the inner case 18, whereby the inner case 18 is attached to the back plate 7. The board 87 of the control unit is screwed to 7 (see FIGS. 6, 7, and 8).
[0012]
The inner case 18 is formed with guide walls 20 that are bent and raised from both ends, and a spring support wall 21 is provided at the lower ends of both guide walls 20.
Two openings 22 are provided approximately in the middle of both guide walls 20, and a cam insertion hole 23 is provided below the opening 22 so as to face the rotor 6 a of the cylinder lock 6. A hub insertion hole is provided below the cam insertion hole 23. 15 is provided with a hub hole 24 opposite to 15 (see FIG. 8).
[0013]
A pin 26 is fixed to the upper part of the slide plate 25 inserted into the inner case 18, the upper part of the link plate 27 is pivotally attached to the pin 26, and the link plate 27 is neutrally suspended by a spring 27b (see FIG. 5). Biased to position.
Two openings 28 are provided below the pin 26, a long hole 29 is provided below the opening 28, and a spring support piece 30 erected by cutting and raising is formed on the left side of the opening 28 in FIG. An engagement groove 31 is formed on the right side.
[0014]
Since the lower portion 18a of the inner case 18 protrudes inward by the thickness of the slide plate 25, the slide plate 25 can move up and down while being guided by the guide wall 20 while being in direct contact with the inner case 18. (See FIG. 8).
[0015]
The retractor plate 32 stacked on the slide plate 25 is formed with a long hole 33 that opens at the upper end, a spring support piece 34 that is cut and raised at the right end of the upper end, and a hole 35 below the spring support piece 34. , 36 are provided.
A bent spring support piece 37 is formed on both sides of the lower end of the retractor plate 32, and a retractor spring 38 is inserted between the spring support piece 37 and the spring support wall 21 of the inner case 18.
Accordingly, the retractor plate 32 is biased upward.
[0016]
The hook plate 39 has a shaft portion 40 pivotally attached to the hole 36, a long shaft 41 loosely fitted in the hole 35, and an engagement protrusion 42 projecting laterally from the upper end portion, with the shaft portion 40 as a fulcrum. When swinging, the engaging protrusion 42 can be engaged with and disengaged from the engaging groove 31 of the slide plate 25.
The distal end of the long shaft 41 passes through the hole 35 of the retractor plate 32 and engages with a cam groove 44 provided in the magnet holder 43 described below.
[0017]
The magnet holder 43 is provided with a movable piece 45 embedded in the upper end surface and a rectangular long hole 46 above the cam groove 44, and a protrusion 47 projects from the opposite surface of the cam groove 44.
Since the upper end of the cam groove 44 is bent in the right direction in FIG. 8, when the long shaft 41 engaged with the upper end portion of the cam groove 44 is lowered, the hook plate 39 is inclined counterclockwise with the shaft portion 40 as a fulcrum. The engaging protrusion 42 engages with the engaging groove 31 of the slide plate 25.
[0018]
An electromagnet holder 86 is fastened to the inner wall surface of the back plate 7 with screws 88, and the electromagnet 48 is provided on the electromagnet holder 86 (see FIGS. 6 and 8).
The movable piece 45 is attracted to the electromagnet 48 when the electromagnet 48 provided on the back plate 7 is energized, and the protrusion 47 is inserted into the guide long hole 13 (see FIG. 6) of the back plate 7. The
A magnet spring 49 is inserted between the lower surface of the rectangular long hole 46 and the spring support piece 34 of the retractor plate 32 (see FIGS. 8 and 9).
[0019]
The cylinder cam 50 is provided with shaft portions 50b and 50c projecting on both surfaces of the disc 50a. The shaft portion 50b is inserted into the cam insertion hole 12 of the back plate 7, and the shaft portion 50c is a long hole of the retractor plate 32. 33 and the long hole 29 of the slide plate 25 are inserted into the cam insertion hole 23 of the inner case 18 (see FIGS. 7 and 8).
The rotor 6a of the cylinder lock 6 is inserted into the non-circular hole 51 penetrating the shaft portions 50b and 50c, and the eccentric shaft 52 provided on the disc 50a is engaged with the engagement recess 54 of the lock retractor 53 described below. To do.
[0020]
A lock spring 56 is inserted between the lower surface of the rectangular long hole 55 provided in the lock retractor 53 and the spring support piece 30 of the slide plate 25 (see FIGS. 8 and 9), and provided in the lock retractor 53. The projection 57 thus inserted is inserted into the guide slot 14 (see FIG. 6) of the back plate 7.
The above-described cylinder lock 6, cylinder cam 50, lock retractor 53, and lock spring 56 constitute a mechanical emergency unlocking mechanism.
[0021]
The hub 58 is provided with shaft portions 58b and 58c on both surfaces of a plate-like main body 58a having push projections 59 formed at both ends (see FIG. 7). The other shaft portion 58 c is inserted into the hub insertion hole 15 of the back plate 7.
A square shaft portion formed at an end portion of the handle H (see FIG. 14) is fitted into the square hole 60 penetrating the center of the hub 58.
[0022]
One end of the cylinder joint 61 that is rotatably inserted into the cylinder attachment 11 is formed as a non-circular shaft having two circular shapes cut into a V shape, and two holes are provided on the other end surface.
Two shafts 63 provided on the drive shaft 62 are inserted into the two holes on the other end surface of the cylinder attachment 11 through the two openings 22 of the inner case 18 and the two openings 28 of the slide plate 25, respectively. (See FIGS. 8 and 9).
[0023]
12A to 12D are schematic views showing the mutual relationship between the drive shaft 62 and the link plate 27. When FIG. 12A is a lock angle of the drive shaft 62, a shaft 63a on the left side of the drive shaft 62 is shown. Is high and the right shaft 63b is low.
On the other hand, the link plate 27 is urged by a spring 27a (see FIG. 5) to a neutral position where the pin 26 is suspended as a fulcrum.
[0024]
In this state, when the link plate 27 is lowered, the pushing surface 27a of the link plate 27 contacts the left shaft 63a and tilts clockwise, and the right side surface 27b of the link plate 27 does not prevent the right shaft 63b from rising. At the same time, the drive shaft 62 having the shaft 63a pushed by the pushing surface 27a of the link plate 27 starts to rotate counterclockwise (see FIG. 12B).
[0025]
When the lowering of the link plate 27 is completed, the drive shaft 62 is rotated about 90 degrees counterclockwise to the unlocking angle, the right shaft 63b is in the raised position, and the left shaft 63a is in the lowered position (see FIG. 12 (C)).
When the link plate 27 moves up, it returns to the neutral position as shown in FIG. 12A, but the drive shaft 62 remains at the unlocking angle.
[0026]
Next, when the link plate 27 is lowered again, the drive shaft 62 with the right shaft 63b pushed on the pushing surface 27a is rotated about 90 degrees clockwise to reach the locking angle, and the positions of the left and right shafts 63a and 63b are determined. Returns to the state shown in FIG.
That is, every time the link plate 27 repeatedly descends and rises, the drive shaft 62 alternately repeats the locking angle and the unlocking angle, and the cylinder joint 61 that engages with the drive shaft 62 alternately repeats the locking angle and the unlocking angle. .
[0027]
An inclined surface 27c is formed at the intersection of the pushing surface 27a and the side surface 27b of the link plate 27. In FIG. 12D, the left inclined surface 27c is larger than the right inclined surface 27c. Even if the left and right shafts 63a and 63b are aligned at the same height parallel to the pushing surface 27a, when the link plate 27 is lowered, the left inclined surface 27c that contacts the left shaft 63a is applied. Since a component force that rotates the link plate 27 counterclockwise is generated, the pushing surface 27a can push the shaft 63b, resulting in the state of FIG.
[0028]
In the box lock B installed in the door, a front 65 which is a front wall of a box-shaped lock case 64 is attached to an end surface of the door, and a dead bolt hole 66 and a latch bolt hole 67 are provided in the front 65.
A recess 69 is formed in a dead bolt 68 that is removably inserted into the dead bolt hole 66, and a non-circular hole 71 into which the tip of the cylinder joint 61 is fitted is provided in a cam 70 pivotally attached to the lock case 64. The drive piece 72 provided on the cam 70 engages with the recess 69 of the dead bolt 68.
Since both ends of the spring 75 are locked to the pin 73 provided on the drive piece 72 and the pin 74 provided on the lock case 64, the dead bolt 68 is biased to the protruding locked position and the retracted unlocked position. (See FIG. 16).
[0029]
The latch bolt 76 inserted into the latch bolt hole 67 has a head portion 76 a and a shaft portion 76 b extending from the rear surface of the head portion 76 a, and the shaft portion 76 b rises from the inner wall surface of the lock case 64. It penetrates the hole provided in.
Since the latch spring 78 is inserted between the head portion 76 a and the support wall 77, the head portion 76 a of the latch bolt 76 is biased in a direction protruding from the front 65.
[0030]
The hub 79 pivotally attached to the lock case 64 is provided with a square hole 80 into which the angular axis of the handle is inserted, and push parts 81 are formed at both ends of the hub 79.
The retractor 82 slidable along the inner wall surface of the lock case 64 is provided with an upright wall 83 and a driven wall 84 that are bent and raised, and an end of the shaft portion 76 b inserted into the hole of the upright wall 83. A retaining ring 85 is fitted to the portion, and the pushed wall 84 is pushed by the pushing portion 81 when the hub 79 rotates.
[0031]
Next, the operation of the electric lock configured as described above will be described in the order of unlocked state, electrical locking and unlocking operation, and mechanical emergency unlocking operation.
In the unlocked state, the drive shaft 62 is at the unlocking angle, the left shaft 63a is in the raised position, and the right shaft 63b is in the lowered position (see FIG. 9).
The cylinder joint 61 that engages with the drive shaft 62 is at the unlocking angle, the cam 70 of the box lock B that engages with the cylinder joint 61 is also at the unlocking angle as shown in FIG. I'm immersed in it.
[0032]
The retractor plate 32 pushed by the retractor spring 38 rises to the rising end, the magnet holder 43 that engages with the spring support piece 34 of the retractor plate 32 also rises, and the movable piece 45 is in contact with the electromagnet 48. .
Since the long axis 41 of the hook plate 39 is engaged with the upper end portion of the cam groove 44 of the magnet holder 43, the engagement protrusion 42 is separated from the engagement groove 31 of the slide plate 25, and the retractor plate 32 is The slide plate 25 can be lowered independently of the slide plate 25.
[0033]
The rotor 6a of the cylinder lock 6 is at the locking angle, and the eccentric shaft 52 of the cylinder cam 50 that engages with the rotor 6a pushes the lock retractor 53 to the raised position, so that the spring support piece 30 is moved via the lock spring 56. The slide plate 25 pushed upward is raised.
The two pushing protrusions 59 of the hub 58 are in contact with the spring support piece 37 (see FIG. 9).
Since the latch bolt 76 of the box lock B protrudes from the front 65 and engages with a strike engagement hole (not shown) provided in the door rod, the door is held in a closed state.
[0034]
In such an unlocked state, when the handle of the door is rotated, the hub 58 rotates, and one pushing projection 59 pushes the spring support piece 37 of the retractor plate 32 downward, and the retractor plate 32 moves down, but the magnet holder 43 pushed by the spring support piece 34 of the retractor plate 32 through the magnet spring 49 in the same direction also moves down.
[0035]
At this time, since the slide plate 25 does not descend, the link plate 27 also does not descend (see FIG. 10).
On the other hand, the hub 79 of the box lock B is rotated by the rotation operation of the handle H, and the latch bolt 76 is immersed in the lock case 64 together with the retractor 82 that moves backward, so that the door can be opened (see FIG. 16).
[0036]
Next, electrical locking and unlocking operations will be described. When the cover cover 2 is opened and a password is entered by the input setting unit 5, the electromagnet 48 is energized for a predetermined time, and the movable piece 45 is attracted to the electromagnet 48. Is done.
When the handle is operated in this state, the retractor plate 32 pushed by the pushing projection 59 of the hub 58 is lowered and the latch bolt 76 of the box lock B is submerged, but the magnet holder 43 attracting the movable piece 45 is Since the magnet spring 49 is also held with an attractive force stronger than the pressing force, it does not descend.
[0037]
Accordingly, the long axis 41 of the hook plate 39 that descends together with the retractor plate 32 descends from the upper end of the cam groove 44 of the magnet holder 43, so that the hook plate 39 tilts counterclockwise in FIG. Engages with the engaging groove 31, and the slide plate 25 is lowered together with the retractor plate 32.
At this time, the lock spring 56 pushes the lock retractor 53 downward, but the lock retractor 53 engaged with the eccentric shaft 52 of the cylinder cam 50 does not descend (see FIG. 11).
[0038]
The pushing surface 27a at the lower end of the link plate 27 descending together with the slide plate 25 pushes the right shaft 63a at the high position (see FIG. 10), and the drive shaft 62 pushed by the shaft 63a moves from the unlocking angle. It rotates to the locking angle and the left shaft 63b is in the high position.
When the drive shaft 62 rotates to the locking angle, the cylinder joint 61 that engages with the drive shaft 62 and the cam 70 of the box lock B that engages with the cylinder joint 61 rotate to the locking angle (clockwise in FIG. 10). Since it moves, the dead bolt 68 pushed by the drive piece 72 protrudes and is locked.
[0039]
When power is supplied again to the electric lock locked as described above and the handle H is operated, the slide plate 25 is lowered again together with the retractor plate 32, and the shaft 63b in which the link plate 27 is at the high position is pushed downward. Therefore, the drive shaft 62 rotates to the unlocking angle, the cylinder joint 61 that engages with the drive shaft 62, the cam 70 of the box lock B rotates to the unlocking angle, and the dead bolt 68 enters and unlocks. Is done.
[0040]
To mechanically unlock the locked electric lock mechanically, pull the cylinder lock cover 3 forward and insert the key inserted into the key hole of the cylinder lock 6 in the unlocking direction (counterclockwise in FIG. 10). When it moves, the cylinder cam 50 engaged with the rotor 6a rotates to the unlocking angle, and the eccentric shaft 52 pushes the lock retractor 53 downward, so that the long hole 55 of the lock retractor 53 is formed on the slide plate 25. The spring support piece 30 is pushed downward, the link plate 27 descending together with the slide plate 25 pushes the shaft 63a at the high position, and the cam 70 of the box lock B rotates together with the drive shaft 62 and the cylinder joint 61 to the unlocking angle. The dead bolt 68 is immersed.
Then, pull the key back to its original angle.
[0041]
At the time of this mechanical emergency unlocking operation, only the lock retractor 53 and the slide plate 25 are lowered, and the retractor plate 32 may remain stopped at the raised position, so that the operation of the handle H is unnecessary.
To lock mechanically, when the key is rotated counterclockwise again, the slide plate 25 descends and the link plate 27 pushes the shaft 63b at the high position, so that the drive shaft 62 and the cylinder joint 61 together. The cam 70 of the box lock B rotates to the locking angle, and the dead bolt 68 protrudes.
[0042]
Next, it will be described that the electric lock of the present invention is configured to be used as both right and left doors D.
As shown in FIG. 13, a pair of detection switches 91 and 92 are fixed to both sides of the drive shaft 62 with screws inside the outer escutcheon 1.
On the outer peripheral surface of the drive shaft 62, notches 62 a, 62 b, 62 c that do not push the operating pieces of the detection switches 91, 92 and a projecting surface 62 d that pushes the operating pieces of the detection switches 91, 92 are formed.
[0043]
As shown in FIG. 13, when the drive shaft 62 is at the locking angle, the shaft 63a is in the high position, and the operating piece of one switch 91 is not pushed by the notch 62b, but the operating piece of the other switch 92 is Since it is pushed by the projecting surface 62d, it is detected that the drive shaft 62 is at the locking angle and the dead bolt 68 is in the locked state.
[0044]
When the drive shaft 62 is at an unlocking angle rotated approximately 90 degrees clockwise in FIG. 13, the operating piece of one switch 91 is pushed together by the notch 62a and the operating piece of the other switch 92 is pushed together by the notch 62c. Since it is not moved, it is detected that the drive shaft 62 is at the unlocking angle and the dead bolt 68 is in the locked state.
Even when the door is opposite, the locked state and the unlocked state can be detected by detecting the pushing state of the pair of detection switches 91 and 92.
[0045]
Electric lock of the present invention, the outer escutcheon 1, the retractor plate 32, since to control the engagement of the slide plate 25, the latch bolt 76 only in operation of the handle H, to drive the deadbolt 68 It was possible to obtain an electric lock with a simple configuration and good operability.
Since the retractor plate 32 and the slide plate 25 are engaged by the movement of the retractor plate 32 by the operation of the handle H and the cam groove 44 of the magnet holder 43 without being electrically directly performed, an extremely small electromagnet 48 is provided. Since the electric lock can be reduced in size, there is an advantage that the outer escutcheon 1 does not become large.
[0046]
Since the link plate 27 can control the drive shaft 62 having different rotation directions of locking and unlocking, there is an advantage that the number of parts is reduced and an advantage that it can be directly attached to a lock case that is not right.
[0047]
【The invention's effect】
Since this invention is comprised as mentioned above, there exists an effect as described below.
(1) Since all the electrical equipment such as the input setting unit, battery, electromagnet, and control unit board is housed inside the outer escutcheon, the work of wiring to the inner escutcheon via the door becomes unnecessary, and assembly and wiring Work can be performed easily and efficiently.
(2) For the same reason, it is easy to attach the escutcheon inside and outside, and it is easy to convert the existing door lock into an electric lock.
(3) When the handle is operated, the latch bolt is immersed, and when the handle is operated by energizing the latch bolt, the latch bolt is retracted and electrically unlocked. When the handle is operated again by energizing, the handle is electrically locked. Therefore, locking and unlocking operations are easily performed with the same operation.
(4) Since the structure of the electrical locking, unlocking mechanism and mechanical emergency unlocking mechanism is simple and the number of parts is small, the escutcheon can be made thin.
(5) Can be attached to the wrong door.
[Brief description of the drawings]
FIG. 1 is a front view of a main body of an electric lock.
FIG. 2 is a partially cutaway side view of FIG.
FIG. 3 is a longitudinal sectional view of an outer escutcheon.
FIG. 4 is a rear view of the outer escutcheon.
FIG. 5 is a front view of main components assembled on a back plate.
6 is a rear view of FIG. 5. FIG.
7 is a side view of FIG. 5. FIG.
FIG. 8 is an exploded perspective view of main components of the electric lock.
FIG. 9 is a front view of main components of the electric lock in the unlocked state.
FIG. 10 is a front view of main components of the electric lock showing a state in which the handle is operated during unlocking.
FIG. 11 is a front view of main components of an electric lock for explaining a locking operation.
FIGS. 12A to 12D are operation explanatory views of the link plate.
FIG. 13 is a front view of the main part showing the relationship between the drive shaft and the mounting position of the switch. FIG. 14 is a sectional view of the door.
FIG. 15 is a perspective view of a door.
FIG. 16 is a front view illustrating the internal structure of the box lock.
[Explanation of symbols]
A Electric lock body B Box lock 1 Outer escutcheon 5 Input setting part 6 Cylinder lock 7 Back plate 11 Cylinder attachment 18 Inner case 25 Slide plate 26 Pin 27 Link plate 30, 34, 37 Spring support piece 31 Engaging groove 32 Retractor plate 38 retractor spring 39 hook plate 41 long shaft 42 engaging projection 43 magnet holder 44 cam groove 45 movable piece 48 electromagnet 49 magnet spring 50 cylinder cam 52 eccentric shaft 53 lock retractor 54 engaging recess 56 lock spring 58 hub 59 pushing Projection 61 Cylinder joint 62 Drive shaft 63 Shaft 64 Lock case 68 Dead bolt 70 Cam 76 Latch bolt 79 Hub 82 Retractor 87 Substrate 91, 92 Detection switch

Claims (5)

An electric lock that is provided in a lock case embedded in the door and operates a hub that causes the latch bolt to protrude and retract from the lock case and a cam that is provided in the lock case and causes the dead bolt to protrude and retract. In
A battery that is a power source, an input setting unit that inputs a number, and an electromagnet that is energized by inputting a number to the input setting unit are disposed on the main body fixed to the outdoor surface of the door. Inside, a hub that is rotated by a handle operation, a retractor plate that is moved by the rotation of the hub, a slide plate that is provided so as to be movable in the same direction as the retractor plate, and a long axis that has one end A hook plate pivotally attached to the retractor plate and provided at the other end engages and disengages with the slide plate, and a cam groove is provided to be movable in the same direction as the retractor plate and pushes the long shaft. And a movable piece that is attracted when the electromagnet is energized, and is engaged with the retractor plate via a magnet spring, and the slide plate It includes a link plate which is biased to the destination is the neutral position, is connected to the cam, and a drive shaft having a pair of axes that are pushed to the link plate,
When the movable piece is attracted, the magnet holder is prevented from moving, and by moving the retractor plate, the long axis of the hook plate is pushed into the cam groove, and the engaging projection of the hook plate is moved to the slide plate. The link plate that moves together with the retractor plate pushes one of the pair of shafts so that the drive shaft rotates between a locking angle and an unlocking angle. Tablets. A cylinder lock fixed to the main body, a cylinder cam that is rotatably provided in the main body, engages with a rotor of the cylinder lock, has an eccentric shaft, and is movable in the same direction as the slide plate. 2. The electric lock according to claim 1, further comprising a lock retractor that engages with the slide plate via a lock spring and has an engagement recess into which the eccentric shaft is engaged. 3. The electric lock according to claim 1, wherein when the link plate pushes one of the pair of shafts, the link plate tilts to a position where the other shaft does not contact. . Inclination that tilts the link plate by being pushed by one of the pair of shafts when the pair of shafts is parallel to the lower end of the link plate and the link plate contacts the pair of shafts. The electric lock according to claim 1, 2 or 3, wherein a surface is provided on the link plate. 5. A pair of switches for detecting rotation of the drive shaft is provided in the main body, and a projecting surface for operating the switch is formed at one end of the drive shaft. The electric lock described in 1.

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