JPH0737749B2 - Keyless locking device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a keyless locking device that can be unlocked without key operation.

[Conventional technology]

In the keyless locking device as described above, for example, as described in JP-A-2-30864, a plurality of alphanumeric characters are attached to an unlocking operation panel attached to the outside of the door. The pushbuttons are arranged, and only when the combination of predetermined alphanumeric characters, that is, the pushbutton corresponding to the unlocking combination is pressed, the lock body such as the dead bolt is locked on the door when the knob is operated thereafter. The door can be opened by immersing it from the end face.

A slide plate is provided in the unlocking operation panel, and a lock body made of a small lock plate material is assembled behind each push button, and these lock bodies are provided on the slide plate. Located inside the recess in the sliding direction,
Each locking body is pushed backward from the initial position to the pushing position by pushing the push button. Then, in the intersection area with the slide plate at the initial position (hereinafter referred to as the first intersection area), when the slide plate is moved upward, an opening through which the slide plate can be inserted, and a slide plate at the pushing position are also provided. First crossing areas (hereinafter, referred to as second crossing areas) each of which has a blocking surface for blocking upward movement of the slide plate.
The locking plate and, conversely to the first locking plate, a second blocking surface formed in the first intersecting region and an opening formed in the second intersecting region, respectively.
And a locking plate.

Then, while the second locking plates are mounted behind the push buttons corresponding to the unlocking combination, and the first locking plates are mounted behind the other push buttons, respectively, The upward movement of the slide plate can be generated along with the knob operation only when the push button corresponding to the unlocking combination is pushed, and the locking body is moved in association with the upward movement of the slide plate. It is like this.

[Problems to be Solved by the Invention]

However, in the above device, the unlocking combination is uniquely determined at the product assembling stage, and the user himself does not pay much attention to changing it. It is possible to make such a change by temporarily removing each locking plate from the back side through the through hole of the door, and then remounting the locking plate with the front and back reversed. It is necessary to pay close attention not to cause a drop loss when the work is attached and detached through the door, and the work becomes extremely complicated. As a result, the user has no choice but to continue to use the product in the unlocked combination state at the product assembly stage, and when another person is informed of the combination, it is necessary to replace it with a new device. , It is not enough to get comfortable use.

[Means for Solving the Problems]

The keyless locking device of the present invention is, in order to solve the above-mentioned problems, in an unlocking operation panel in which a plurality of push buttons are arranged, the push-down operation of each push-button moves backward from an initial position to a pushing position. A plurality of locking bodies to be pushed, a slide plate slidable in a direction intersecting with the respective locking bodies, an engagement state of the locking bodies in the circumferential direction are held, and an engagement state in the axial direction is maintained. A plurality of switching members fitted to the rear end side of each locking body so as to be slidable relative to the stopper, and a fitting that covers the rear of each locking body and penetrates each switching member. A lid plate having a hole is provided, and each locking body has a first concave portion that allows the sliding operation of the slide plate at the initial position and a second concave portion that allows the sliding operation at the pushing position in the circumferential direction. Different from each other first
A slip-out preventing portion that is formed on outer peripheral portions facing the slide plate at the rotation angle position and the second rotation angle position, and contacts the periphery of the fitting hole from the front at the steady position on the outer periphery of each switching member. And a positioning portion that fits into the fitting hole at each of the first and second rotation angle positions, and a switching operation in which the switching member is moved forward so that the positioning portion is located in front of the fitting hole. At the position, a rotatable shaft is formed in the fitting hole, and the locking body is biased to the initial position and the switching member is biased to the steady position between each locking body and the switching member. It is characterized in that a spring member is installed.

[Action]

According to the above configuration, the rotation angle position of the locking body is reliably held by fitting the positioning portion of the switching member into the fitting hole of the cover plate, and thereby the circumferential position of the locking body is maintained. Since there is no deviation, it is possible to stably obtain the desired operating state of each locking body with respect to the slide plate.

Then, for each locking body, either the first rotation angle position or the second rotation angle position is selected, the switching member corresponding to the predetermined locking body is rotated from the inside of the door, and the selected rotation angle is selected. By performing the switching operation to position the locking body at the position,
The unlocking combination can be changed.

At the time of this switching operation, first, by pushing the switching member from the inside of the door against the biasing force of the spring member so that the positioning portion is located in front of the fitting hole of the cover plate,
The fitting state in the fitting hole is released. If the pushing force is released after rotating the switching member in this state, the positioning portion will be fitted into the fitting hole of the cover plate by the biasing force of the spring member, and will be held at the rotation angle position after switching. To be done.

In this way, in the above, when changing the unlocking combination, it is not necessary to remove the locking body from the unlocking operation panel, and switching for each locking body can be performed with one touch. Moreover, during this switching operation, the other locking body is held in a state in which the positioning portion of the switching member is fitted in the fitting hole of the cover plate, and there is no deviation in the rotational angle position thereof. The switching operation can be reliably performed for each locking body. As a result, when the unlocking combination is known to others, the user himself / herself can quickly and easily change the unlocking combination to a desired unlocking combination, so that the comfort in use is improved as compared with the conventional case.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 22.

As shown in FIGS. 2 and 3, a lock 4 having a latch bolt 2 and a dead bolt 3 is attached to a side end surface of the door 1, and a door outer surface of the door 1 with the lock 4 interposed therebetween. An unlocking operation panel 6 of the keyless locking device 5 is attached to the door, and a door inside fixing board 7 is attached to the door inside surface of the door 1. Operation levers 8 and 9 are attached to the respective lower end sides of the unlocking operation panel 6 and the door inner side fixed board 7 facing each other, and these operation levers 8 and 9 are mutually connected by a square shaft 10 described later. Are linked to. A cylinder lock 11 is further provided which penetrates the lock 4 and the keyless locking device 5, and a thumb turn 12 for unlocking / locking operation is provided on the cylinder lock 11 so as to project inside the door.

Next, the unlocking operation panel 6 in the keyless locking device 5 described above
The structure will be described together with its assembling procedure.

As shown in FIG. 4, the unlocking operation panel 6 is provided with a long seat reinforcing plate 21 which is vertically long. This long seat reinforcement plate 21
Is a component having a substantially U-shaped cross section that is long in the up-down direction, and is formed by, for example, bending forming of a cold-rolled steel plate or extrusion forming of an aluminum alloy plate, on the face plate portion 21a arranged in parallel with the door 1. Is a rectangular opening 2 on the upper side
1b is drilled. Mounting seats 21c having female threads in the center are formed on the left and right sides of the upper and lower parts of the opening 21b by bulging molding to the inside of the door. Further, a circular hole 21d into which the cylinder lock 11 is fitted is provided below the opening 21b.
Is formed, and bent pieces 21e, 21e to the inside of the door are formed on both left and right sides below. Then, a retractor hub mounting portion 21f formed by projecting the peripheral edge of the circular hole toward the inside of the door is formed at the lower end portion where the square core shaft 10 is inserted.

As shown in FIG. 5, the leader case 22 is attached to each of the mounting seats 21c of the long seat reinforcing plate 21 by a leader mounting screw 37 ...
Fixed by. The leader case 22 has 14 circular insertion holes 22a ... In the left and right two rows, each in the upper and lower sides, in the area facing the opening 21b, and in the upper and lower positions with the insertion holes 22a. Each of the square holes 22b ... Is drilled. further,
A vertically long guide groove 22c is formed at the center position, and notches 22d for spring placement 22d are formed on both left and right sides, as shown in FIG. And
Sensor chips 23, which will be described later, are mounted in the respective through holes 22a ... As described later, and the mounting structure thereof will be described later.

On the other hand, a retractor hub 28 is attached to the retractor hub attachment portion 21f on the lower end side of the long seat reinforcing plate 21 as shown in FIG. This retractor hub 28 has at its center,
Square holes 28a that fit into the square core shaft 10 are formed,
Tilt portions 28b, 28b extending to the left and right sides are provided. The retractor hub 28 is assembled so that the upper end surfaces of the tilting portions 28b, 28b are positioned substantially horizontally when the operation levers 8, 9 are not operated.

At the upper position of the retractor hub 28, a retractor 30 formed by sheet metal working, for example, is arranged. This retractor 30, as shown in FIG.
Vertically elongated slot 30a through which the cylinder lock 11 is inserted
And the bent portions 30b toward the inside of the door on both sides of the lower end.
・ 30b is formed. Also, these bent portions 30b and 30b
The spring bearing surfaces 30c and 30c formed by the similar bending are formed at a position slightly apart from above, and the notches 30e and 30e for disposing the retractor spring are provided above these spring bearing surfaces 30c. Has been formed. Further, a locking surface portion 30d bent inside the door is formed on the upper end portion.

As shown in FIG. 5, the retractor 30 having the above-described shape is arranged such that both sides thereof are guided by both side surface portions 21i, 21i of the long seat reinforcing plate 21 so as to be movable in the vertical direction. Then, at this time, the retractor springs 38, 38, which are compression coil springs, are provided with the spring receiving surfaces 30c, 30c and the bent pieces 21e.2 of the long seat reinforcing plate 21.
It is disguised between 1e. As a result, the retractor 30 is biased downward, and as a result, the bent portions 30b and 30b at the lower end of the retractor 30 are held in contact with the upper end surfaces of the tilting portions 28b and 28b of the retractor hub 28. It is like this.

A joint 29 is further attached to the lower portion of the retractor 30. The joint 29 is rotatably pivotally supported by a joint knock 39 provided upright on the retractor 30, and an unlocking panel operating portion 29a extending upward from the pivot fulcrum and a locking surface portion extending leftward from the pivot fulcrum. 29d
And is formed in a substantially L shape. The joint 29 is biased clockwise around the joint knock 39 by a joint spring 40 formed of a torsion coil spring wound around the joint knock 39.

After the above assembling, as shown in FIG. 6, the push position holding spring 26 and the reset bar 27 are attached to the center position of the leader case 22.

As shown in FIG. 4, the push-down position holding spring 26 has a V-shaped cross section as a whole, and upper and lower sides of the insertion holes 22a of the leader case 22 are formed on both side edges of the bottom surface portion 26a. A total of 14 locking protrusions 26b are formed inside the door at the same intervals as the direction, and extend in the laterally extending direction.

On the other hand, the reset bar 27 has a rod-like shape having a rectangular cross section having a width dimension substantially the same as the bottom surface portion 26a of the pressed position holding spring 26, and the bottom surface portion 26a is brought into close contact with the outer side end surface of the door so that the leader case 22 It is mounted on the guide groove 22c. Although not shown, through holes are formed in the bottom surface portion 26a at predetermined intervals on the center line thereof, and these through holes have projections formed on the door outer end surface of the reset bar 27. It is arranged in the leader case 22 in a state in which is inserted. As a result, the reset bar 27 and the pressed position holding spring 26 are integrally mounted in a vertically movable manner. Further, on the outer end surface of the door of the reset bar 27, there is further formed a protrusion 27a having a rectangular cross section to be fitted into a slit groove 32b of a reader case cover 32 as a cover plate described later. When the reset bar 27 is attached, as shown in FIG.
A reset bar spring 41, which is a compression coil spring for urging the reset bar 27 downward, is arranged at the upper end portion thereof.

After assembling the pressed position holding spring 26 and the reset bar 27,
A sensor panel 31 as a slide plate extending from the upper side to the lower side in the long seat reinforcing plate 21 is arranged. The sensor panel 31 has a frame portion 31 whose upper side surrounds the 14 sensor chips 23 mounted in the leader case 22 from the outside.
Each of the sensor chips 23 is formed in the frame portion 31a.
As shown in FIG. 4, notch recesses 31b which are recessed outward are formed at positions corresponding to the outer right and left positions, respectively. It should be noted that spring locking projections 31c, 31c formed by bending toward the outside of the door are formed at the left and right side edge portions of the frame portion 31a at midway positions in the vertical direction.

The frame portion 31a and the face plate portion 31d lower than the frame portion 31a are connected via a locking bent portion 31e bent in a direction orthogonal to the frame portion 31a, and the face plate portion 31d is closer to the frame portion 31a. Is also formed in a step shape so that it is located somewhat outside the door. At the substantially central position of the face plate portion 31d, a long elongated hole 31f is formed vertically through which the cylinder lock 11 is inserted, and both side portions and the central portion of the locking bent portion 31e are provided. Bent bent parts 31g, 31g, 31h are formed on the outside of the door.
These bent portions 31g, 31g, 31h are the retractor 30 and the face plate 3
It functions as a spacer that forms a space for arranging the joint 29 with 1d.

On the lower end side of the face plate portion 31d, a locking projection 31i bent further to the outside of the door is formed, and on both sides of the locking projection 31i, a slit shape long in the vertical direction is formed. Slit groove 3 whose upper end is connected to the slot 31f at a position slightly closer to the center than the guide grooves 31j and 31j on the right side and the guide groove 31j on the right side.
1k is drilled.

As shown in FIG. 6, the sensor panel 31 having the above-described shape is arranged so as to be vertically movable while being guided by both side surface portions 21i, 21i of the long seat reinforcing plate 21. Then, at this time, the spring disposing notches 22d.2 in the leader case 22 are formed.
Sensor panel spring consisting of compression coil spring in 2d
Assembling is performed by reducing 42, 42, and the spring force of these sensor panel springs 42, 42 is caused by the spring locking projections 31c, 31c.
It acts as a force to push the sensor panel 31 upward through the. At this time, the engaging surface portion 30d at the upper end of the retractor 30 is in an assembled state in which the engaging bent portion 31e of the sensor panel 31 abuts from above. Therefore, the retractor by the retractor spring 38 is
The downward spring force acting on 30 and the spring force of the sensor panel spring 42 act in opposite directions, but in this case, the retractor spring 38 is made of a spring having a large elastic force. Therefore, the sensor panel 31 is held in a state of being pressed downward against the spring force of the sensor panel spring 42.

After the sensor panel 31 is assembled, as shown in FIG. 7, setting buttons 24, which will be described later as switching members, are mounted on the rear end sides of the sensor chips 23, while the sensor panel 31 is mounted. An unlocking panel 33 is arranged so as to overlap the face plate portion 31d. As shown in FIG. 4, the unlocking panel 33 is made of a plate material having substantially the same shape as that of the face plate portion 31d, and has a vertically elongated slot 33a through which the cylinder lock 11 is inserted in the central portion thereof. An unlocking operation bar 33b having a mountain-shaped cross section that is formed by drilling and extends toward the inside of the door at the top vertex position of the elongated hole 33a.
Is erected. On the other hand, below the elongated hole 33a, the guide grooves 31j and 31j of the sensor panel 31 and the slit groove
Guided projections 33c, 33c and actuated projections 33d, which are formed by bending the door to the outside, are provided at positions corresponding to 31k, respectively. As shown in FIG. 7, the projections 33c, 33c, 33d are provided. Is inserted into the grooves 31j, 31j, 31k of the sensor panel 31 from the inside of the door. At this time, the right guided protrusion 33c
The right end surface of the joint 29, which is urged clockwise by the joint spring 40, comes into contact with the joint spring 40, so that the joint 29 moves upward along the right guided protrusion 33c. It is designed to be held in the state of extending to.

After the above assembling, as shown in FIG. 8, the leader case cover 32 is attached to the leader case 22 by the leader cover mounting screws 43 ...
While being fixed by and covered on the upper side, long seat reinforcing plate
As shown in FIG. 9, a retractor cover 34 is installed on the lower side of the cover 21 at the upper end side and the lower end side of a retractor cover 34, respectively.
Fixed by.

As shown in FIG. 4, the reader case cover 32 has
Square holes (fitting holes) 32a, into which a later-described rectangular cross section 24b of the setting button 24 fitted to the inner end of the door of the sensor chip 23 is fitted, are drilled, and the central portion thereof is provided with a vertical direction. A long slit groove 32b is bored in it. The reset bar 27, which is biased downward by the reset bar spring 41 by performing the assembly in which the rectangular protrusion 27a of the cross section of the reset bar 27 is fitted in the slit groove 32b, is shown in FIG. As shown in,
Is held in a state where the lower end surface of the abutting contact with the lower end surface of the slit groove 32b. In this state, the reset bar
A lower end surface 27b of 27 is located above the engaging surface portion 30d of the retractor 30 with a predetermined distance therebetween.

As shown in FIG. 4, the retractor cover 34 has an unlocking operation bar 33 of the unlocking panel 33 on the upper end side thereof.
A notch recess 34a through which the cylinder lock 11 and the cylinder lock 11 located below the b are inserted is formed, and a round hole 34b through which the square core shaft 10 is inserted is formed on the lower end side. Lower attraction leg mounting holes 34c, 34c for attaching the legs 57 are formed.

After assembling the respective parts to the long seat reinforcing plate 21 as described above, as shown in FIG. 4, a cross-section is cut to cover the face plate portion 21a and both side surface portions 21i and 21i of the long seat reinforcing plate 21 from the outside of the door. The U-shaped seat 35 made of synthetic resin is attached, and the caps 36 and 36 are attached to the upper and lower ends, respectively, to configure the unlocking operation panel 6.

In the long seat 35, a rectangular opening 35a and circular holes 35b and 35c are respectively formed at positions corresponding to the openings 21b in the long seat reinforcing plate 21, the circular holes 21d, and the through holes of the retractor hub mounting portion 21f. .

On the other hand, the caps 36 and 36 made of a synthetic resin material have a head portion 36a having substantially the same cross-sectional shape as the long seat 35, and also have leg portions 36b extending from the head portion 36a to the long seat reinforcing plate 21 side. It is shaped. Long seat reinforcement plate 21
In the leg portion 36b having a shape extending from the inside in the U-shaped cross-section shape, the locking projections 36c protruding outward at positions corresponding to the square holes 21j formed in the long seat reinforcing plate 21. Are formed respectively. Therefore, these caps 36
36 are assembled by pushing in the vertical direction of the long seat reinforcing plate 21 to the positions where the respective locking projections 36c are fitted into and engaged with the respective square holes 21j.

On the other hand, as shown in FIG. 12, the door inner side fixing plate 7 shown in FIGS. 10 and 11 includes a door inner side long side reinforcing plate 51 having substantially the same shape as the long side reinforcing plate 21 and the door inner side fixing plate 51. Long seat reinforcement plate
A door inner long seat 52 that covers the surface of the 51 from the door inner side, and a decorative cover 54 fixed to the door inner long seat 52 by a decorative cover mounting screw 53 to cover the rectangular opening 52a formed in the door inner long seat 52, On the upper and lower ends of the door inner long seat reinforcing plate 51,
The unlocking operation panel 6 is constituted by the door inner side caps 55, 55 mounted in the same manner as the cap 36.

As shown in FIG. 9 and FIG. 10, the door inner fixed plate 7 and the unlocking operation plate 6 are sandwiched by the door 1 to which the lock 4 is attached, and the upper pulling leg 56 and the lower pulling leg are shown. The keyless locking device 5 is configured by connecting and fixing the same via 57.

Next, the shape of the sensor chip 23 will be described with reference to FIG.

The sensor chip 23 is made of, for example, a hard plastic material such as polycarbonate, and has a small-diameter columnar shaft portion 23a, a substantially cross-shaped locking switching portion 23b, and a large-diameter cylindrical portion 23c from the tip side (upper left side in the drawing). Are sequentially formed in the axial direction. Of the four surfaces radially projecting from the shaft center of the lock switching portion 23b, the surface extending in the left horizontal direction in the drawing has a predetermined axial position from the axial front end side and an axial center direction from the side end surface. A rectangular opening (first concave portion) 23d that is recessed in is formed, and a blocking surface 23e is provided at an adjacent position on the axial rear side of the rectangular opening 23d, and this surface is formed as a press release surface 23f. There is. On the other hand, on the surface extending vertically upward in the figure, the blocking surface 23e ′ and the rectangular opening are located at the same axial positions as the rectangular opening 23d and the blocking surface 23e of the press release surface 23f in the reverse order. (Second concave portion) 23d 'is sequentially provided, and this surface is formed as a pressing non-releasing surface 23g.

On the other hand, the two surfaces that are axially symmetric with respect to the pressed release surface 23f and the pressed non-release surface 23g, respectively, have first and second spring locking portions 23h protruding outward at intermediate positions in the respective axial directions. The positioning surfaces 23i and 23j are respectively formed. In addition,
On the outer periphery of the large-diameter cylindrical portion 23c, an engaging projection 23k that projects outward and extends in the axial direction in an angle direction of 45 degrees that bisects the circumferential interval between the depression release surface 23f and the depression non-release surface 23g.
・ 23k is formed.

The sensor chip 23 is assembled by inserting the shaft portion 23a into the insertion hole 22a of the leader case 22 from the inside of the door.
Then, in the outer periphery of the tip side of the shaft portion 23a protruding from the insertion hole 22a, in a state where the push button spring 58 made of a compression coil spring is arranged, so as to cover the tip side of the shaft portion 23a,
The push button 25 is attached to the leader case 22. The push button 25 is provided with tongue-shaped protrusions 25a, 25a extending inwardly of the door at the upper and lower sides of the rear end face thereof, respectively, and locking projections protruding vertically at the tips of the tongue-shaped protrusions 25a, 25a. 25b and 25b are formed. With this, by pushing the tongue-shaped protrusions 25a and 25a into the square holes 22b and 22b of the leader case 22, and by operating the locking protrusions 25b and 25b to the inside of the door with respect to the square holes 22b and 22b, The push button 25 is assembled to the leader case 22.

In this assembled state, the push button 25 is urged to the outside of the door by the push button spring 58, and the locking projection 25b.
Is held in a state of being locked in the leader case 22. When the push button 25 is pushed in, the tip of the shaft portion 23a of the sensor chip 23 is brought into contact with the sensor chip 23 to cause the sensor chip 23 to move to the inside of the door.

On the other hand, a setting button 24 is fitted to the inside end of the door of the sensor chip 23. This setting button
24, the sensor chip 23
A concave portion having substantially the same sectional shape as that of the large-diameter cylindrical portion 23c is formed inside. Then, in this recess, the large-diameter cylindrical portion 23c
At the time of fitting, the sensor chip spring 59 as a spring member composed of a compression coil spring is compressed between the bottom surface of the recess and the end surface of the large-diameter cylindrical portion 23c.

On the outer periphery of the setting button 24, a collar-shaped large-diameter disk portion (disengagement prevention portion) 24a, a rectangular cross-section portion (positioning portion) 24b, and a small-diameter columnar portion (shaft portion) 24c are sequentially arranged from the outside of the door. It has a shape. After mounting the setting button 24 on the sensor chip 23, the reader case cover described above is attached.
When assembling the 32, the square hole of the leader case cover 32
The rectangular cross section 24b is fitted in the 32a, and the peripheral edge of the square hole 32a is in an assembled state in which it is in contact with the inner end surface of the large-diameter disc 24a. This prevents the setting button 24 from being pulled out toward the inside of the door, and the spring force of the sensor chip spring 59 acts as a force for urging the sensor chip 23 toward the outside of the door. The door outer end surface of the lock switching portion 23b is held at a position in contact with the leader case 22 (hereinafter, this position is referred to as an initial position).

In addition, a slit groove 24d is further formed in the door inner end surface of the cylindrical portion 24c of the setting button 24. The direction of the slit groove 24d is formed so as to face up and down when the depression release surface 23f of the sensor chip 23 is at the first rotation angle position in which it is horizontally positioned. Then, for example, the tip of a screwdriver is fitted into the slit groove 24d, and the setting button 24 is inserted into the large diameter disc portion 24a and the square hole 32a.
The rectangular cross section 24b is removed from the square hole 32a of the reader case cover 32 by pushing it from the steady position abutting the peripheral edge of the door to the outside of the door and locating it at the switching operation position where the columnar portion 24c is located in the square hole 32a. This setting button 24 becomes rotatable. In this state, the sensor chip 23 is rotated 90 degrees counterclockwise in the figure, so that the sensor chip 23 is rotated by 90 degrees, whereby the pressing non-release surface 23g is switched to the second rotation angle position in the horizontal direction. It is like this.

Next, the relative positional relationship between the sensor chip 23, the sensor panel 31, and the pressed position holding spring 26 will be described with reference to FIG.

First, as shown in the figure, taking as an example the case where the pressing release surface 23f of the sensor chip 23 is assembled in a state in which it is positioned in the horizontal direction, the sensor chip 23 positioned at the initial position is described.
Is the blocking surface 23e of the press release surface 23f, the sensor panel 31
The state of being located in the notch recess 31b of the frame portion 31a of the above, that is, the upward movement of the sensor panel 31 causes the blocking surface 23e.
It has been blocked by. At this time,
The tip end portion of the locking projection piece 26b of the pressing position holding spring 26 located on the opposite side of the frame portion 31a with the sensor chip 23 interposed therebetween has a first positioning surface 2 that is axially symmetrical to the pressing release surface 23f.
It is located axially rearward of the spring locking portion 23h in 3i.

Then, as shown in FIG. 14, when the push button 25 is operated to push in so that the spring locking portion 23h is positioned axially rearward of the locking projection piece 26b of the pressed position holding spring 26. , Then the sensor chip spring 59
The spring locking portion 23h is locked by the tip of the locking projection piece 26b of the push position holding spring 26 in the middle of returning to the axial front by the spring force of, so that it is axially rearward from the initial position. It is held in the retracted push position. And
In this pushing position, at the position of the cutout recess 31b of the frame portion 31a of the sensor panel 31, the rectangular opening 23d is located axially forward of the blocking surface 23e. Therefore, by operating the push button 25, the sensor panel 31 is switched to the upward movable state through the rectangular opening 23d.

On the other hand, as described above, when the setting button 24 is operated and the pressing non-release surface 23g is positioned in the horizontal direction,
Contrary to the above, in the initial position, the sensor panel 31 can be moved upward, and when the push button 25 is pressed from this state, the sensor panel 31 is switched to the upward movement blocking state.

In this way, the sensor chip 23, which switches between the upward movable state and the movement-inhibited state of the sensor panel 31 in accordance with the operation of the push button 25, has 14 insertion holes of the leader case 22.
22a ... Is provided for each of them, so that the sensor panel 31 is actually moved upward only when all of these 14 sensor chips 23 ... Can be moved upward of the sensor panel 31. Can be generated.
For example, in FIG. 8, 14 setting buttons 24
As shown by the direction of the slit grooves 24d on each end face of the ...
Is in an assembled state in which the press release surface 23f is inserted through the cutout recess 31b of the sensor panel 31 (hereinafter, these four sensor chips 23 ... Are referred to as a set chip group), and the other sensor chips 23 ... Assuming that the non-push-down release surface 23g is in an assembled state in which the depression recess 31b is inserted (hereinafter, these ten sensor chips 23 ... Are referred to as a non-setting chip group), all the sensor chips 23 .. From the state in which it is located (hereinafter referred to as the reset state), 4
Only when the push button 25 of each of the sensor chips 23 ... Is pushed, the sensor panel 31 can be moved upward, and even one of the non-set chip groups is further pushed. Then, the upward movement of the sensor panel 31 is blocked.

As shown in FIGS. 15 and 16, the upward movement of the reset bar 27 causes the locking projection 26b of the push position holding spring 26 to move toward the sensor chip 23 as shown in FIG. When it moves above the spring locking portion 23h, the holding state of the pushing position by the locking projection 26b is released, and the sensor chip 23 is returned to the initial position by the sensor chip spring 59. The locking protrusions for each sensor chip 23 ...
Since 26b move integrally upward with the reset bar 27, the reset state in which all the sensor chips 23 are located at the initial position is given by the upward movement operation of the reset bar 27. .

Next, the operation state of the keyless locking device 5 having the above configuration will be described.

It should be noted that each push button 25, ... For example, the seven push buttons 25 in the right column in FIG.
3 ・ 4,5 ・ A ・ B also has 7 pushbuttons 25 in the left row ...
Is assumed to be provided with alphanumeric symbols of 6, 7, 8, 9, 0, C, and D on the outer surface of the door, respectively, and the push button 25 that enables the sensor panel 31 to move upward. The combination of symbols (in the above case, 1, 2, 3, and 4 corresponding to the upper four sensor chips 23 in the right column) is referred to as an unlocking combination number, and the following description will be given.

First, the pushbutton 25 that matches the unlocking combination number above ...
A case where the operation lever 8 is rotated after the operation is performed will be described. At this time, as shown in FIG. 18, the retractor hub 28 rotates integrally with the square core shaft 10, and the tilting portion 28b of the retractor hub 28 tilts from the horizontal state shown in FIG. 30
It is pushed upward against the spring force of the retractor spring 38. Along with this, the sensor panel 31 also moves upward. In other words, until then,
The sensor panel 31 includes a retractor 30 at its locking bent portion 31e.
The locking surface portion 30d of is abutted from above is prevented from moving upward, and as the retractor 30 moves upward as described above, the sensor panel 31 receives a pulling force by the sensor panel spring 42. It will be in a working state. Then, at this time, in all the sensor chips 23, the sensor chips 23 are arranged at the intersecting positions of the frame portions 31a of the sensor panel 31.
When the rectangular openings 23d and 23d 'are located, the frame portion 31a moves up through the rectangular openings 23d and 23d', and the entire sensor panel 31 moves upward.

When the sensor panel 31 moves upward together with the retractor 30 in this way, the joint 29 attached to the retractor 30 also has a right end surface thereof which is guided by the spring force of the joint spring 40 on the right side of the unlocking panel 33. It rises while holding the state of being in contact with the piece 33c. Then, in the middle of this ascent, the unlocking panel operating portion 29 of the joint 29 is
The upper end of a comes into contact with the lower end surface of the actuated projection 33d of the unlocking panel 33, and thereafter, the unlocking panel 33 is also pushed upward, and therefore the unlocking of the unlocking panel 33 is performed. The operation bar 33b will move upward. The upward movement of the unlocking operation bar 33b unlocks the lock 4 described later.

During the upward movement of the retractor 30, the locking surface portion 30d at the upper end of the retractor 30 abuts on the lower end surface of the reset bar 27. Move upwards slightly later than the movement. As a result, as shown in FIG. 15, in the state where the frame portion 31a of the sensor panel 31 is positioned in the rectangular opening 23d of the sensor chip 23, the locked state of the sensor chip 23 by the push position holding spring 26 is unlocked. To be done. As a result, the sensor chip 23, which has been held in the pushing position until then, advances to the position where the rear surface of the rectangular opening 23d contacts the frame portion 31a. Then, after that, the operation lever 8
When the reset bar 27 is lowered, the tip of the locking projection piece 26b is lowered to a position rearward of the locking position of the spring locking portion 23h, and as a result, when the sensor panel 31 is lowered, When the cutout recess 31b is located at the same height as the sensor chip 23, the sensor chip 23 is further advanced through the cutout recess 31b to return to the initial position, and the reset state described above is obtained.

Next, a push button 25 that does not match the unlocking combination number described above ...
A case will be described in which the operation lever 8 is rotated when the operation is performed, and thus the sensor panel 31 is in the upward movement blocking state.

In this case, as shown in FIG. 19, the retractor hub 28 rotates integrally with the square core shaft 10, and the retractor 30 is pushed up by this, which is the same as above, but the sensor panel 31 Is a sensor chip that does not match the combination number
Uphill movement is blocked by 23.

In this way, when the sensor panel 31 is held stationary and only the retractor 30 moves upward, a joint 29 that integrally rises together with the retractor 30 as shown in the figure.
The engaging surface portion 29b abuts the lower end portion of the engaging projection piece 31i of the sensor panel 31 in the middle of its ascending, whereby the ascending movement on the engaging surface portion 29b side is prevented. Therefore, thereafter, as the retractor 30 moves upward, the joint 29 is rotated counterclockwise about the joint knock 39 against the spring force of the joint spring 40. Therefore, the unlock panel actuating portion 29a side of the joint 29 rotates in the central direction, whereby
The unlocking panel operating part 2 is attached to the actuated projection 33d of the unlocking panel 33
9a does not come into contact with the lower side. As a result,
There is no upward movement in the unlocking panel 33 and therefore
The unlocking operation bar 33b is held immovably.

In this case, when the retractor 30 moves up, the engaging surface portion 30d at the upper end thereof comes into contact with the lower end surface of the reset bar 27 and pushes down the reset bar 27 in the same manner as described above. As shown in the figure, the locked state of the sensor chip 23 by the locking projection 26b of the pressed position holding spring 26 is released. As a result, the sensor chip 23, which has been held in the pushing position until then, has the cutout recess 31 of the sensor panel 31.
Through b, it returns to the initial position and is reset.

As described above, in the keyless locking device 5, when the operation lever 8 is operated after pressing the push buttons 25 ... Which match the preset unlocking combination number,
When the unlocking operation bar 33b is moved upward and the push button 25 ... which does not match the above unlocking combination number is pressed, the unlocking operation bar 33b is held in an immobile state. . Therefore, in conjunction with the operation of the unlocking operation bar 33b, the lock 4 has a function of causing the dead bolt 3 to be retracted, as will be described later, and as a result, the door can be operated without using a key. It is possible to unlock from the outside.

As described above, each time the operation lever 8 is operated, the retractor 30 causes the reset bar 27 to move upward, so that the operation levers 8 and 9 serve as reset operation portions of the sensor chips 23. It also has the function of.

Next, the structure of the lock 4 will be described.

As shown in FIG. 20, the lock 4 is provided with a rectangular plate-shaped front 61 fixed along the side end surface of the door 1 and a front reinforcing plate 62 fixed over the front 61. Has been. A box-shaped case 63 located in the door 1 is fixed to the front reinforcing plate 62, the dead bolt 3 is provided at a substantially central position in the case 63, and the latch bolt 2 is provided below the dead bolt 3. However, the respective front end portions on the side of the front 61 are arranged so as to be retractable through the openings of the front 61 and the front reinforcing plate 62, respectively.

On the other hand, on the bottom side in the case 63, the latch hub 65 is fitted to the square core shaft 10 extending in the direction orthogonal to the paper surface. The latch hub 65 is formed with a first engaging piece 65a and a second engaging piece 65b, which extend in opposite vertical directions, respectively, and are arranged in front of the second engaging piece 65b extending downward.
On the 1st side, a pressure 67 is disposed so as to be slidable in the left-right direction (hereinafter, referred to as AB direction) in the drawing. A first latch hub spring 68, which is a compression coil spring, is contracted between the pressure 67 and the end face of the case 63 on the front reinforcing plate 62 side.
The right end surface of the pressure 67 by the 68 is the second engaging piece.
It is urged in the right direction, that is, the B direction so as to be held in a state of abutting against 65b.

On the other hand, a latch bolt tail 2a having a U-shaped cross section is provided on the end surface side of the first engaging piece 65a of the latch hub 65 in the B direction. The latch bolt tail 2a has a shaft portion 2b extending in the B direction from the front side 61 of the latch bolt 2.
A latch spring 69, which is a conical coil spring, is fixed between the latch bolt tail 2a and the inner wall surface of the case 63 in the B direction. Due to the spring force of the spring 69, the latch bolt 2 is held at a position where the tip 2c of the latch bolt 2 projects from the front 61.

Further, a substantially Z-shaped latch hub spring receiving plate 70 is provided at a position crossing the shaft portion 2b of the latch bolt 2 along the line AB.
It is arranged to be movable in any direction. The vertical surface of the latch hub spring receiving plate 70 and the tip 2c of the latch bolt 2
A second latch hub spring 71 made of a compression coil spring is disposed on the outer periphery of the shaft portion 2b between the and. This second
The latch hub spring receiving plate 70 is urged in the B direction by the latch hub spring 71, so that the latch hub spring receiving plate 70 is fixed to the first engaging piece of the latch hub 65.
It is held in contact with the left end surface of 65a. Also,
A larger force than the counterclockwise force exerted on the latch hub 65 by the first latch hub spring 68 is set so as to act on the latch hub 65 from the second latch hub spring 71. As a result, the latch hub 65 is The right end surface of the first engaging piece 65a is held in contact with the latch bolt tail 2a.

On the other hand, above the dead bolt 3 in the case 63, a dead hub 73 rotated by the cylinder tail 11b of the cylinder lock 11 is provided. The dead hub 73 has an arm portion 73b extending obliquely downward to the right from the center of rotation in the figure, and the lower end side of the arm portion 73b is a recess formed on the rear end side of the dead bolt 3.
It is located within 3a.

Further, in order to guide the sliding operation of the dead bolt 3 in the AB direction, the dead bolt 3 has a long hole 3b extending in the AB direction, and a dead guide fitted in the long hole 3b. The knock 75 is erected on the case 63. Further, an upper right end side of a substantially L-shaped first operating plate 76 is rotatably supported by the dead guide knock 75. The lower end side of the first operating plate 76 is disposed so as to be close to the left side of the vertical surface portion of the latch hub spring receiving plate 70 described above and to be positioned substantially parallel thereto. Further, a lower end side of a second operation plate 77 which is long in the vertical direction is pivotally supported by a first knock 78 at a corner portion of the first operation plate 76, and an upper end side of the second operation plate 77 has the dead hub 73. A second knock 80 pivotally supports a joint transmission gear 79 arranged on the A direction side.

The above-mentioned joint transmission gear 79 has a shape that extends in the B direction in a substantially fan shape from the first guide knock 81 side that rotatably supports the same, and the arcuate surface at the B direction end has
A tooth profile 79a having a partial gear shape is formed. The tooth profile portion 79a is assembled in a state of being meshed with a tooth profile portion 73d that is similarly formed on the outer peripheral surface of the cylindrical portion 73a of the dead hub 73.

Further, the joint transmission gear 79 is connected to a substantially L-shaped joint 82. The joint 82 is rotatably supported by a second guide knock 83 at an intermediate position of the horizontal plate portion 82a. The lower end side of the vertical plate portion 82b extending downward from the left end side of the horizontal plate portion 82a is pivotally supported on the joint transmission gear 79 by the third knock 84, and as shown in the figure, the dead bolt 3 is in the pushing position, That is,
When located in the unlocked position, the horizontal plate portion 82a is held in an inclined state in which the right end side thereof is located above.

A concave notch 85 that opens upward is formed at a position on the right side of the second guide knock 83 in the case 63, and the unlocking operation panel of the keyless locking device 5 is provided in the notch 85. The unlocking actuating bar 33b extending from 6 is located.

In the lock 4 having the above structure, when the operation of causing the square shaft 10 to rotate in the clockwise direction, that is, the operation of pushing down the operation levers 8 and 9 is performed, the latch bolt 2 causes the front 61 to move. It moves in the direction B so that the lock bolt is released from the locked state by the latch bolt 2.

On the other hand, the dead bolt 3 is locked / unlocked by rotating the cylinder tail 11b of the cylinder lock 11 so that the arm portion 73b of the dead hub 73 fitted in the recess 3a of the dead bolt 3 is engaged.
It is performed by moving the lower end side of the to A-B direction.

Further, in the lock 4, the dead bolt 3 also locks when the operation of causing the square core shaft 10 to rotate counterclockwise, that is, the operation of pulling up the operation lever 8 is performed. be able to. In this case,
As shown in FIG. 21, as the latch hub 65 rotates counterclockwise, the first engaging piece 65a of the latch hub 65 pushes the latch hub spring receiving plate 70 in the A direction, resulting in the first operation. The plate 76 rotates clockwise. Further, the second operating plate 77 is pushed up in accordance with this rotating operation, and the second operating plate 77 is
With the upward movement of the joint transmission gear 79, the joint transmission gear 79 rotates counterclockwise about the first guide knock 81. As a result, the dead hub 73 meshing with the toothed portion 79a of the joint transmission gear 79 is rotated clockwise, whereby the dead bolt 3 is pushed in the protruding direction by the tip of the arm portion 73b of the dead hub 73 to lock. It becomes a state.

In the locked state as described above, the horizontal plate portion 82a of the joint 82 is rotated along with the rotation of the joint transmission gear 79.
Is displaced in a substantially horizontal state, and the tip of the
It will be located close to b.

Further, when the unlocking operation is performed by the keyless locking device 5 in the locked state as described above and the unlocking operation bar 33b moves upward, as shown in FIG. The tip side of the horizontal plate portion 82a of the joint 82 is pushed up by the 33b, whereby the joint 82 is
It rotates counterclockwise around the guide knock 83. As a result, the joint transmission gear 79 rotates clockwise about the first guide knock 81, and accordingly, the dead hub 73.
Is rotated counterclockwise, the dead bolt 3 is pushed in the B direction by the tip of the arm portion 73b of the dead hub 73.
As a result, the tip of the dead bolt 3 is switched from the front 61 to the unlocked state.

At this time, at the same time, since the square core shaft 10 is rotated clockwise by the operation of the operation lever 8, the latch bolt 2 is also set in the retracted state similarly to the above, whereby the door 1 is opened and closed.

As described above, in the above embodiment, by operating the pushbuttons 25 arranged on the unlocking operation panel 6 in accordance with the preset unlocking combination number, the door is opened without using the key. The door 1 can be opened and closed by unlocking from the outside. Then, in the keyless locking device 5, the unlocking combination number is changed by changing the decorative cover 54 to the door inner side fixing plate 7.
Through the rectangular opening 52a of the door inner side fixing board 7 and the through hole of the door 1, and the setting buttons 24 of the unlocking operation board 6 are removed.
This can be easily done by rotating the inside of the door. This allows the user himself to change the unlocking combination number as appropriate. As a result, even if someone else knows,
It can be resolved quickly and easily by the user himself.

〔The invention's effect〕

As described above, the keyless locking device of the present invention is pushed backward from the initial position to the pushing position by pressing each push button in the unlocking operation panel in which a plurality of push buttons are arranged. A plurality of locking bodies, a slide plate slidable in a direction intersecting with each locking body, an engagement state with the locking bodies in the circumferential direction, and a locking body in the axial direction. A plurality of switching members fitted to the rear end side of each locking body so as to be relatively slidable relative to each other and a fitting hole that covers the rear side of each locking body and penetrates each switching member is formed. And a second recess that allows the sliding motion of the slide plate at the initial position and a second recess that allows the sliding motion of the slide plate to differ from each other in the circumferential direction. It is formed on the outer peripheral portion facing the slide plate at the first rotation angle position and the second rotation angle position, respectively. Write, the outer periphery of the switching member, and pulling out prevention portion abuts from the front peripheral edge of the fitting hole in the normal position,
In the switching operation position in which the switching member is moved forward so that the positioning portion is located in front of the fitting hole, the positioning portion is fitted in the fitting hole at the first and second rotation angle positions. A spring that is rotatable in the fitting hole, and a spring that biases the locking body to the initial position and biases the switching member to the steady position between each locking body and the switching member. This is a configuration in which members are mounted.

Therefore, without removing the locking body from the unlocking operation panel,
The user can easily change the unlocking combination by the one-touch switching operation of pushing and rotating the switching member corresponding to the predetermined locking body from the inside of the door, and the locking body after the change. There is no deviation in the rotational angle position of the slide plate, and the desired operating state of the slide plate can be stably obtained. Therefore, for example, even when the unlocking combination is known to another person, the troubled state can be quickly and easily resolved by the user's own changing work, so that there is an effect that the use comfort can be improved. .

[Brief description of drawings]

1 to 22 show an embodiment of the present invention. FIG. 1 is an exploded perspective view showing an assembled state of the sensor chip. FIG. 2 is a front view showing the outside of the door to which the keyless locking device and the lock are attached. FIG. 3 is a side view of the door as viewed from the side end surface side. FIG. 4 is an exploded perspective view showing an assembling procedure of main components of the unlocking operation panel. 5 to 8 are rear views showing the assembling process of the unlocking operation panel. FIG. 9 is a vertical sectional view of the unlocking operation panel. FIG. 10 is a vertical cross-sectional view of the door inner side fixing plate. FIG. 11 is a front view of the door inner side fixing plate. FIG. 12 is an exploded perspective view showing an assembling procedure of main components of the door inner side fixing board. FIG. 13 is a perspective view showing a relative positional relationship among the sensor chip, the sensor panel, and the pressed position holding spring. FIG. 14 is a perspective view showing a state where the sensor chip is pushed down from the state of FIG. FIG. 15 is a perspective view showing a state where the sensor panel and the pressed position holding spring are raised from the state of FIG. FIG. 16 is a perspective view showing a state where the depressed position holding spring is raised from the state of FIG. FIG. 17 is a front view showing a relative positional relationship among the retractor, the sensor panel and the unlocking panel. FIG. 18 is a front view showing the operation of the retractor, the sensor panel and the unlocking panel when unlocking. FIG. 19 is a front view showing the operation of the retractor, the sensor panel and the unlocking panel when unlocked. FIG. 20 is a front view showing the internal structure of the lock. FIG. 21 is a front view showing an operation at the time of locking the lock by the operation lever. FIG. 22 is a front view showing a time when the lock is unlocked by the unlocking operation bar. 6 is an unlocking operation panel, 23 is a sensor chip (locking body), 23d is a rectangular opening (first recess), 23d 'is a rectangular opening (second recess), 23e and 23e' are blocking surfaces, and 24 is a setting button. (Switching member), 24a is a large-diameter disk portion (disengagement prevention portion), 24b is a rectangular cross-section portion (positioning portion), 24c is a cylindrical portion (shaft portion), 25
Is a push button, 31 is a sensor panel (slide plate), 32 is a reader case cover (cover plate), 32a is a square hole (fitting hole), 59
Is a sensor chip spring (spring member).

Claims (1)

[Claims] 1. An unlocking operation panel in which a plurality of push buttons are arranged, and a plurality of locking bodies that are pushed rearward from an initial position to a pushing position by pressing each push button, respectively. A slide plate that is slidable in a direction intersecting with the locking body and an engaging state of the locking body in the circumferential direction are held, and slidable relative to the locking body in the axial direction. A plurality of switching members each fitted to the rear end side of each locking body, and a cover plate that covers the rear of each locking body and has a fitting hole through which each switching member penetrates are provided, In each locking body, a first concave portion that allows the sliding motion of the slide plate at the initial position and a second concave portion that allows the sliding motion at the pushing position are circumferentially different from each other in a first rotation angle position and a second rotation position. It is formed on the outer peripheral portion facing the slide plate at the angular position, while it is formed on the outer periphery of each switching member. At the position, the removal preventing portion that abuts the periphery of the fitting hole from the front, the positioning portion that fits into the fitting hole at the first and second rotation angle positions, and the positioning portion At the switching operation position in which the switching member is moved forward so that the shaft is rotatable in the fitting hole, and the locking member is locked between each locking body and the switching member. A keyless locking device characterized in that a spring member for urging the body to the initial position and the switching member to the steady position is interposed.