JP6909493B2 - Dial lock - Google Patents

Description

The present invention relates to a dial lock attached to a lockable object such as a mailbox.

Dial locks attached to various structures to be locked (locking objects) such as mailboxes and lockers are widely known as disclosed in Patent Documents 1 and 2. This type of dial lock has a housing (door assembly part) that can be attached to the door attached to the box of the object to be locked, a dial part that can be rotated with respect to the housing with characters such as numbers written on it, and a dial. It is equipped with a rotating body that rotates with the rotation of the part, and a latch that can move in and out from the housing to the side (either up, down, left, or right).

Further, a receiving portion (latch receiving) that can be engaged with the latch is attached to the box body of the object to be locked so as to project inward of the box body. When the door is closed and locked, the latch engages with the receiving portion in a state where it cannot be retracted to prevent (prohibit) the door from opening. On the other hand, the door is unlocked by rotating the dial portion to match a character such as a predetermined number. In this unlocked state, the latch can be retracted and the door is allowed to open.

In this case, the receiving portion attached to the box body of the object to be locked is fixed in a posture of protruding upward from the lower side of the box body and in a posture of protruding downward from the upper side of the box body. There are four types of structures: a structure that is fixed in a posture that protrudes from the right side of the box to the left side, and a structure that is fixed in a posture that protrudes from the left side of the box to the right side. The structure is selected.

Correspondingly, the dial lock has a structure in which the latch can be projected downward from the housing and engages with a receiving portion that protrudes upward, and a latch can be freely projected upward from the housing. One is a structure that engages with the receiving part that protrudes downward, the other is a structure that the latch is free to project from the housing to the right side and engages with the receiving part that protrudes to the left side, and the latch is from the housing. There are four types of structures, one that is free to project to the left and one that engages with the receiving portion that projects to the right, and the other that corresponds to the position of the receiving portion provided on the box body.

JP-A-2004-223313 JP-A-2002-21381

However, in the above-mentioned conventional dial lock, it is necessary to manufacture and stock four types of products (structured ones) as dial locks according to the protruding position (protruding direction) of the receiving portion in the box body, and as a result. , A relatively small number of products according to the type and a wide variety of products are required, which causes an increase in manufacturing cost, an increase in labor for checking and inspecting the type, and a large space for stocking dial locks. Had.

The present invention solves the above problems, and an object of the present invention is to provide a dial lock that can be used with the same product regardless of the protruding position (protruding direction) of the receiving portion in the box body.

In order to solve the above problems, the present invention presents a housing to be assembled to the door of an object to be locked, a dial portion on which characters are written and rotatable with respect to the housing, and a rotating body that rotates with the rotation of the dial portion. It is a dial lock provided with a latch that can be moved back and forth from the housing in either the up, down, left, or right direction, and the dial part is engaged with the dial body part while the characters are displayed. A dial having an engaging portion and a plurality of engaged portions engaged with the engaging portion of the dial are provided in the circumferential direction, and the dial can be mounted in a plurality of circumferential directions at different relative positions. A dial main body and a direction indicating portion indicating the direction in which the latch protrudes are represented at a plurality of positions on the dial main body where the dial is mounted, and one of the engaging portions of the dial is a specific engaging portion. It is a, the engaged portions of the holder dial body portion to correspond to the direction instruction section that matches the direction latch projects, specific engagement portion of the dial, characterized in that the engaged.

In this configuration, the engaging portion of the dial is engaged with the engaged portion of the dial main body portion so that the protruding direction of the latch matches the notation content indicated by the orientation indicating portion. This makes it possible to use the same product dial lock regardless of the protruding position of the receiving portion in the box body.

Further, it is preferable that the orientation indicating unit is indicated with characters or notations having the same meaning as above, below, left, right, or the like. Further, it is preferable that the housing is provided with a ring body to be assembled in front of the door at a plurality of different relative positions with respect to the circumferential direction, and the ring body is provided with a mark indicating a position to be adjusted at the time of unlocking. ..

According to the present invention, in a dial lock provided with a housing, a dial portion, and a latch, the dial portion includes a dial having characters and an engaging portion that engages with the dial body, and a dial. A plurality of engaged portions to be engaged with the engaging portion are provided in the circumferential direction, and the dial main body portion has a dial main body portion in which the dial can be mounted in a plurality of circumferential directions at different relative positions. At a plurality of positions where the dial is mounted, orientation indicating portions indicating the direction in which the latch protrudes are represented, one of the engaging portions of the dial is designated as a specific engaging portion, and the orientation corresponding to the direction in which the latch protrudes. By configuring the dial so that the specific engaging portion of the dial is engaged with the engaged portion of the dial body corresponding to the indicator, the dial of the same product is used regardless of the protruding position of the receiving portion in the box body. It will be possible to deal with it with a lock. As a result, even if the protruding position (protruding direction) of the receiving portion in the box body is different, the same product can be used as the dial lock, the manufacturing cost can be reduced as compared with the conventional one, and the types can be used. Not only does it eliminate the need for confirmation, it also saves the trouble of inspection and minimizes the space for stocking dial locks.

It is a perspective view of the dial lock which concerns on embodiment of this invention. The side sectional view of the dial lock shows the locked state. The unlocked state is shown in the side sectional view of the dial lock. It is a rear view of the dial lock. It is an exploded perspective view of the dial lock. The housing of the dial lock is shown, (a) is a perspective view, (b) is a rear view, and (c) is a front view. The ring body of the dial lock is shown, (a) is a perspective view, and (b) is a front view. The dial main body of the dial lock is shown, (a) is a front view, (b) is a rear view, (c) is a left side view, and (d) is a left side sectional view. The first rotating body of the dial lock is shown, (a) is a perspective view, (b) is a left side sectional view, (c) is a front view, (d) is a left side view, and (e) is a rear view. be. A second rotating body of the dial lock is shown, (a) is a perspective view, (b) is a left side view, (c) is a right side sectional view, (d) is a front view, and (e) is a rear view. be. A third rotating body of the dial lock is shown, (a) is a perspective view, (b) is a left side view, (c) is a plan view, (d) is a plan sectional view, and (e) is a rear view. .. The holding body of the dial lock is shown, (a) is a perspective view, (b) is a rear view, and (c) is a bottom view. (A) is a side view of the latch of the dial lock, (b) is a perspective view of the latch body of the latch, and (c) is a side view of the latch cover of the latch. The dial of the dial lock is shown, (a) is a front perspective view, (b) is a side view, (c) is a rear perspective view, and (d) is a rear view. The front perspective view of the dial lock (other than the dial) and the dial shows the case where the latch protrudes upward. The dial lock (other than the dial) and the rear perspective view of the dial show the case where the latch protrudes upward. The front view of the dial lock (other than the dial) and the dial shows the case where the latch protrudes upward. The front view of the dial lock (other than the dial) and the dial shows the case where the latch protrudes to the left. The front view of the dial lock (other than the dial) and the dial shows the case where the latch protrudes downward. The front view of the dial lock (other than the dial) and the dial shows the case where the latch protrudes to the right. It is a front view of the dial lock (other than the dial) and the dial which concerns on other embodiment of this invention.

Hereinafter, the dial lock according to the embodiment of the present invention will be described with reference to the drawings. In this embodiment, in a dial lock, a box body of an object to be locked, or the like, the direction passing through the rotation center of the dial portion of the dial lock is the axial direction, and the direction along the axial direction is the same. The direction in which the dial or the like is provided in the dial lock is referred to as the front (or the front side), and the direction in which the latch or the like is provided is referred to as the rear (or the rear side).

In FIGS. 1 to 3, 1 is a dial lock according to an embodiment of the present invention, 2 is a door of an object to be locked (for example, a mailbox) to which the dial lock 1 is attached, and 3 is a door 2 that can be opened and closed. The box body 4 of the object to be locked is a receiving portion (latch receiving portion) fixed and attached in a posture of projecting inward (inwardly) from the box body 3. In FIGS. 2 and 3, the receiving portion 4 is attached in a posture of projecting downward from the upper side 3a of the box body 3, and correspondingly, the latch 16 (described later) of the dial lock 1 can project upward. It shows the case where it is done.

Although not shown, between the part of the door 2 opposite to the side where the dial lock 1 is attached (in this example, the lower end of the door 2) and the lower side of the box-shaped box 3. A hinge that supports the door 2 with respect to the box body 3 so as to be openable and closable is attached.

As shown in FIGS. 1 to 5, the dial lock 1 has a housing (also referred to as a lock body, a housing, or a door assembly portion) 11 to be assembled to the door 2, and a housing in which characters such as numbers are written. A dial unit (dial operation unit) 12 that is rotatable with respect to the 11 and the door 2, the first to third rotating bodies 13, 14, 15 that rotate with the rotation of the dial unit 12, and lateral sides from the housing 11. Hold the latch 16 that can move back and forth and the latch 16 in a swingable state (in either the up, down, left, or right direction orthogonal to the axial direction X (see FIG. 2), in this case, upward). A holding body 17 and a fixing nut 18 or the like that can be assembled to the housing 11 while holding the door 2 from the back surface side are provided. Further, in this embodiment, a ring body 19 having a mark 19a indicating a position to be aligned at the time of unlocking is assembled on the outer periphery on the back surface side in the front portion of the housing 11.

As shown in FIGS. 5 and 6 (a) to 6 (c), the housing 11 of the dial lock 1 is passed through an insertion hole 2a (see FIGS. 2 and 3) formed in the door 2 to reach the outer peripheral surface. A screw cylinder portion 11b on which a male screw surface 11a into which the fixing nut 18 is screwed is formed, a front collar-shaped portion 11c extending in a brim shape (outer radial direction) on the front side of the screw cylinder portion 11b, and a screw cylinder portion 11b. Axial center direction (so-called half-split shape) through the rear tubular portion 11d, the front flange-shaped portion 11c, the screw tubular portion 11b, and the rear tubular portion 11d, which extend rearward in a substantially tubular shape. It has an accommodating hole portion 11k penetrating through X (in the front-rear direction), a notch groove 11f formed in an upper surface portion and a lower surface portion of the rear tubular portion 11d, and the like. Inside the housing 11 (that is, in the accommodating hole portion 11k), the rear portion of the dial portion 12, the first to third rotating bodies 13, 14, 15, the latch 16, the holding body 17, and the like are accommodated. Inside the screw cylinder portion 11b, two leaf springs 20 are assembled to facilitate (and give a click feeling) the first rotating body 13 and the third rotating body 15 to be fastened at a predetermined rotation stop position. ing. Reference numeral 24 denotes a washer (corrugated leaf spring) interposed between the fixing nut 18 and the door 2 as needed.

The front flange portion 11c of the housing 11 is formed with a plurality of female screw portions 11e (two in this embodiment) capable of screwing mounting screws (not shown) for attaching the housing 11 to the door 2 from the rear. On the outer peripheral surface of the front flange-shaped portion 11c into which the ring body 19 is fitted, convex portions 11g are formed at two locations in the circumferential direction (that is, every 180 degrees in the circumferential direction). Further, as shown in FIG. 6B, a notch portion 11h is formed in the screw cylinder portion 11b on the back surface of the front flange-shaped portion 11c when viewed from the back surface side to form a polygon (in the present embodiment, eight). (Square), and when the dial lock 1 is attached to the door 2, it can also function as a detent for the housing 11. Further, as shown in FIG. 6C, a groove portion 11j for assembling the leaf spring 20 is formed inside the screw cylinder portion 11b of the housing 11, and as shown in FIG. 6A, the groove portion 11j is formed. The rear tubular portion 11d of the housing 11 is formed with a female screw portion 11i through which a fixing screw 25 (see FIG. 5) for assembling the holding body 17 for holding the latch 16 is passed.

As shown in FIGS. 5, 7 (a), 7 (b) and the like, the ring body 19 has a mark 19a formed of a concave groove (may have another shape such as a convex protrusion) at one position in the circumferential direction on the outer peripheral surface. (When the dial lock 1 is assembled, the mark 19a is assembled so as to be located at the upper end). Further, the ring body 19 has recesses 19b that can be fitted into convex portions 11g formed at two locations in the circumferential direction of the front flange portion 11c at four locations in the circumferential direction (that is, every 90 degrees in the circumferential direction) on the inner peripheral surface. Is formed. That is, the ring body 19 can be assembled to the housing 11 of the dial lock 1 at different relative positions by shifting it by 90 degrees in the circumferential direction. Further, in this embodiment, a step portion 19c is provided on the outer peripheral front portion of the ring body 19 to rotatably guide the outer peripheral rear surface of the dial main body portion 22.

As shown in FIG. 5 and the like, the dial unit (dial operation unit) 12 can be equipped with a dial 21 on which characters (numbers from 0 to 9 in this embodiment) are described and a dial 21. It has a dial main body portion 22, and as shown in FIG. 1 and the like, each has a substantially circular shape when viewed from the front.

As shown in FIGS. 8A to 8D, a recess 22g is formed on the outer peripheral surface of the dial main body 22 at a portion corresponding to a character (number) so that a finger can be easily put on the dial body 22 during operation. .. Further, the dial main body 22 is provided with a disk-shaped portion 22f for holding the dial 21 from the rear, and a central shaft cylinder 22a and a central shaft thereof are provided in the center of the back surface of the dial main body 22. An inner cylinder portion 22b having a diameter larger than that of the cylinder portion 22a and an outer cylinder portion 22c having a diameter larger than that of the inner cylinder portion 22b are projected rearward at the same coaxial center. An assembly screw 23 (see FIGS. 2, 3, and 5) for assembling the first to third rotating bodies 13, 14, and 15 is screwed into the inner circumference of the central shaft cylinder portion 22a. Part 22d is formed. Further, on the inner circumference of the inner cylinder portion 22b, a tooth portion 22e for integrally rotating the dial main body portion 22 and the first rotating body 13 is formed.

As shown in FIGS. 2 and 9 (a) to 9 (e), the first rotating body 13 is a front small diameter tubular portion that is fitted between the central shaft tubular portion 22a and the inner tubular portion 22b of the dial main body portion 22. A medium-large diameter portion 13b arranged between the 13a, the rear end surfaces of the inner cylinder portion 22b and the outer cylinder portion 22 of the dial main body portion 22, and the inner peripheral recess of the screw cylinder portion 11b of the housing 11, and the medium-sized portion 13b. It has a rear medium-diameter tubular portion 13c that protrudes rearward from the radial tubular portion 13b, and the assembly screw 23 is inserted into a hole 13h formed in the axial center. Then, on the outer peripheral surface of the front small-diameter tubular portion 13a, a plurality of protrusions 13d that mesh with the tooth portions 22e of the inner tubular portion 22b of the dial main body portion 22 (note that only one specific protrusion 13d'is cut out on both sides in the circumferential direction. The specific protrusion 13d'is easy to recognize), and the first rotating body 13 rotates integrally with the dial main body 22 via these tooth portions 22e and the protrusion 13d.

A polygonal portion 13e that abuts on the leaf spring 20 is formed on the outer peripheral surface of the rear medium-diameter tubular portion 13c of the first rotating body 13, which causes a click feeling when the dial portion 12 is rotated. Along with the first rotating body 13, the dial portion 12 is likely to stop at a position corresponding to the numbers 0 to 9. Further, the rear medium-diameter tubular portion 13c of the first rotating body 13 is formed with an engaging projection 13g that projects rearward at only one location in the circumferential direction, and the engaging projection 13g is a third. The engaging projection 15a formed on the rotating body 15 is brought into contact with the engaging projection 15a in the circumferential direction so that the rotating body 15 can be engaged.

Further, on the inner peripheral surface of the rear medium-diameter tubular portion 13c of the first rotating body 13, a plurality of (five in this embodiment) engaging ridge portions 13f protruding inward in the radial direction are spaced apart from each other in the circumferential direction. It is formed every (in this embodiment, every 72 degrees in the circumferential direction), and the engaging ridge portion 13f engages with a plurality of engaging groove portions 14a formed in the second rotating body 14 at the time of assembly. Together (fitted), the second rotating body 14 rotates integrally with the first rotating body 13.

As shown in FIGS. 2 and 3, the second rotating body 14 is arranged behind the first rotating body 13 with the assembly screw 23 inserted through the axis thereof. As shown in FIGS. 10A to 10E, the second rotating body 14 extends forward from a cylindrical middle cylinder portion 14b provided at a central position in the front-rear direction and the middle cylinder portion 14b. Insertion through which the front cylinder portion 14c that plunges into the rear middle diameter cylinder portion 13c of the first rotating body 13, the rear cylinder portion 14d that extends from the middle cylinder portion 14b to the rear of the outer circumference, and the assembly screw 23 are inserted. It has a hole of 14 g and the like. Then, a plurality of engaging groove portions 14a in which the engaging ridge portion 13f of the first rotating body 13 engages (fits) with the front cylinder portion 14c (in this embodiment, there are 10 locations and one engagement). The joint groove portion 14a'is cut out to the central hole through which the assembly screw 23 is inserted), whereby the second rotating body 14 rotates integrally with the first rotating body 13. Further, a notch 14f through which the latch 16 can be passed is formed at one position in the circumferential direction of the rear cylinder portion 14d.

As shown in FIG. 3, the third rotating body 15 is arranged between the housing 11 and the second rotating body 14. As shown in FIGS. 5 and 11 (a) to 11 (e), the third rotating body 15 includes a front cylinder portion 15b arranged on the outer periphery of the middle cylinder portion 14b of the second rotating body 14 and the front cylinder portion 15b. It has a rear cylinder portion 15c extending from the front cylinder portion 15b so as to extend rearward from the outer circumference, and an insertion hole 15f through which the middle cylinder portion 14b of the second rotating body 14 is inserted. A polygonal portion 15e that abuts on the leaf spring 20 is formed on the outer peripheral surface of the front cylinder portion 15b of the third rotating body 15, whereby the third rotating body 15 corresponds to the numbers 0 to 9. It is easy to stop at the position where you want to. As shown in FIG. 5, the leaf spring 20 has a contact point (first contact portion) with the polygonal portion 13e of the first rotating body 13 and a polygonal portion 15e of the third rotating body 15. An elongated hole 20a is formed so as to penetrate between the contact portion (second contact portion), and each of these contact portions can be individually deformed.

Further, as shown in FIGS. 11A to 11E, the third rotating body 15 is formed with an engaging protrusion 15a projecting forward at one position in the circumferential direction of the front cylinder portion 15b, and the first one. It is made possible to engage with the engaging projection 13g of the rotating body 13 in the circumferential direction. Further, a notch portion 15d through which the latch 16 can be passed is formed at one position in the circumferential direction of the rear cylinder portion 15c.

As shown in FIGS. 2 and 3, the holding body 17 is housed in the rear tubular portion 11d of the housing 11 in a state where the first to third rotating bodies 13, 14 and 15 are housed in the housing 11 in advance. The fixing screw 25 is accommodated from the rear and is screwed into the female screw portion 17a to be fixed. The holding body 17 holds the latch 16 in a state in which it can swing and move up and down. That is, as shown in FIG. 5 and the like, the latch 16 is assembled with a swing rotation shaft 16C (see FIG. 5) which is an axis when the latch 16 swings. As shown in FIGS. 12A to 12C, the holding body 17 has an elevating space 17b in which the latch 16 can move up and down in the holding body 17, and the upper portion of the latch 16 can be tilted in a direction in which the upper portion of the latch 16 falls backward. A swinging space 17c is formed, and the swinging space 17c accommodates an urging spring 27 that urges the latch 16 upward and in the upright direction. Further, at the lower end of the holding body 17, a convex portion 17d that fits into the notch 11f at the lower part of the housing 11 and a protruding portion 17e that fits into the notch 11f at the upper part of the housing 11 are formed.

In this embodiment, as shown in FIGS. 13 (a) to 13 (c), FIG. 3, and the like, the latch 16 is made of a latch body 16A made of a metal plate and a resin material that covers the tip of the latch body 16A. It is composed of the latch cover 16B and the swing rotating shaft 16C, and the latch cover 16B may be provided as needed.

Further, the latch 16 has an inclined surface 16a formed on the rear surface portion of the distal end side portion (upper portion of the latch 16 in this embodiment) that can be engaged with the receiving portion 4 so as to be inclined downward toward the rear. Further, in this embodiment, a protrusion 16d projecting forward is provided on the lower front side of the latch 16. Then, in a state where the door 2 is unlocked and the door 2 is opened, the dial portion 12 is rotated, and as will be described later, even when the latch 16 cannot swing backward, the latch 16 is attached to the receiving portion 4. The inclined surface 16a abuts, the latch 16 is moved downward (shown by a virtual line in FIG. 2) to get over the receiving portion 4, and the opened door 2 can be allowed to be completely closed and locked. It has become.

In the above configuration, by rotating the dial portion 12, the first and second rotating bodies 13 and 14 are integrally rotated together with the dial portion 12, and the engaging protrusion 13g of the first rotating body 13 is the third. The third rotating body 15 also rotates when it is in contact with the engaging protrusion 15a of the rotating body 15. Then, the dial portion 12 is rotated to match a character such as a predetermined number to unlock the state. In this unlocked state, as shown by a virtual line in FIG. 3, the lower part of the latch 16 (the latch 16). The second and third rotating bodies 14 and 15 are located in front of the protrusions 16d) so that the notches 14f and 15d of the second and third rotating bodies 14 and 15 face each other. Therefore, when the door 2 is opened to the front side in this unlocked state, the upper part of the latch 16 comes into contact with the receiving portion 4 of the box body 3 from the rear, and the upper part of the latch 16 comes to the rear and also to the rear side. The lower part of the latch 16 tries to swing forward, and at this time, the notches 14f and 15d of the second and third rotating bodies 14 and 15 are formed at the positions where the lower part of the latch 16 tries to swing forward. Since it is located, the latch 16 is allowed to swing so that the tip (upper portion) of the latch 16 tilts backward, and the latch 16 is pushed backward by the receiving portion 4 to swing, and the door 2 Is allowed to be opened.

On the other hand, when the door 2 is closed and locked, as shown in FIG. 2, the second and third rotating bodies 14 and 15 are located at a position where the lower portion of the latch 16 tends to swing forward. Since the notches 14f and 15d (the protrusion 16d of the latch 16) are not located, the latch 16 cannot swing backward (the protrusion 16d of the latch 16 is the rear cylinder portion 14d or the second rotating body 14 of the second rotating body 14). The door 2 is prevented (prohibited) from opening by engaging with the receiving portion 4 (in a state of being in contact with the rear cylinder portion 15c of the rotating body 15 of 3).

As described above, as shown in FIG. 5 and the like, the dial unit (dial operation unit) 12 includes a dial 21 on which characters (numbers from 0 to 9 in this embodiment) are described and a dial. It has a dial main body 22 to which 21 can be mounted. Then, in addition to the above configuration, as shown in FIGS. 14A to 14D, on the back surface of the dial 21, a plurality of engaging portions (engaging claw portions) capable of engaging with the dial main body portion 22 are formed. ) 21a is provided, and in this embodiment, the engaging portion 21a protrudes in a claw shape, and the three engaging portions 21a refer to the specific engaging portion 21a'described later in the circumferential direction. It is provided at intervals of 135 degrees. Further, in the vicinity of one specific engaging portion (referred to as a specific engaging portion) 21a'in the plurality of engaging portions (engaging claw portions) 21a, an arrow indicating that the specific engaging portion 21a'is used is provided. Has been described. It should be noted that characters and symbols other than the arrows may be used as long as they indicate that the specific engaging portion 21a'is used.

On the other hand, as shown in FIGS. 8 (a) to 8 (d) and the like, the dial main body 22 has a plurality of engaged portions (covered) having holes for fitting and engaging the engaging portion 21a of the dial 21. Engagement hole portion) 22h is formed. In this embodiment, eight engaged portions 22h are provided at equal angles (at intervals of 45 degrees) with respect to the circumferential direction. Further, at a plurality of positions on the dial body 22 where the dial 21 is mounted, direction indicating portions 30 indicating the direction in which the latch protrudes are represented (described), and in this embodiment, the direction in which the latch protrudes is indicated. Orientation indicating units 30 are provided every 90 degrees in the circumferential direction (that is, at intervals of 90 degrees), and are described as "up", "down", "left", and "right", and the outside in the radial direction is upward. Letters (numbers) are written in the correct direction. In addition, instead of describing "upper", "lower", "left", and "right", characters and notations having the same meanings as "upper", "lower", "left", and "right" may be indicated.

Next, as described above, the receiving portion 4 is attached in a posture of protruding downward from the upper side 3a of the box body 3, and correspondingly, the latch 16 (described later) of the dial lock 1 is in a posture of protruding upward. The case of mounting will be described.

First, as shown in FIGS. 15 to 17, the dial lock 1 (a portion other than the dial 21) is attached to the door 2 in the state where the dial 21 of the dial lock 1 is not attached. At this time, the dial lock 1 (a portion other than the dial 21) is attached in a posture in which the latch 16 projects upward from the housing 11 and can be engaged with the receiving portion 4. Further, the ring body 19 is assembled to the door 2 so that the mark 19a indicates a position to be aligned at the time of unlocking, that is, generally, so as to be aligned with the upper end portion of the dial 21.

Next, the dial 21 is attached to the dial body 22 of the dial lock 1. At this time, since the latch 16 is attached in a state of protruding upward from the housing 11, the specific engaging portion 21a'provided on the dial 21 is referred to as "above" the dial body portion 22 in accordance with this. It is engaged with the described engaged portion 22h, and the engaging portion 21a other than the specific engaging portion 21a'is attached while being engaged with the engaged portion 22h at the corresponding position.

In this embodiment, the orientation indicating portions 30 are provided at intervals of 90 degrees with respect to the circumferential direction, while the engaging portion 21a of the dial 21 is based on the specific engaging portion 21a'with respect to the circumferential direction. It is specified at intervals of 135 degrees, because the angle of the interval at which the engaging portion 21a is provided is different from the angle of the interval at which the orientation indicating portion 30 is provided (90 degrees) and is not a multiple angle. When the engaging portion 21a'is engaged with the engaged portion 22h indicated by the orientation indicating portion 30, the engaging portion 21a that is not the specific engaging portion 21a'is indicated by the orientation indicating portion 30. It does not engage with the engaged portion 22h.

If the mounting posture of the receiving portion 4 and the protruding direction of the latch 16 are different, the dial lock 1 is assembled to the door 2 as follows. For example, the receiving portion 4 is fixed in a posture of projecting from the left side to the right side of the box body 3 of the object to be locked, whereas the door 2 so that the latch 16 can project to the left side from the housing 11. When assembling to the door 2, the dial lock 1 is attached to the door 2 as follows.

That is, as briefly shown in FIG. 18, the dial lock 1 to which the dial 21 is not attached is attached in a posture in which the latch 16 projects to the left from the housing 11 and can be engaged with the receiving portion 4. The ring body 19 is assembled to the door 2 in combination with the dial main body 22 so that the mark 19a is the upper end.

Next, the dial 21 is attached to the dial body 22 of the dial lock 1. At this time, since the latch 16 is attached from the housing 11 in a state of protruding to the left side, the specific engaging portion 21a'provided on the dial 21 is set to the "left" of the dial body portion 22 in accordance with this. It is attached in the direction of engaging with the engaged portion 22h corresponding to the orientation indicating portion 30 described as.

In this way, when the latch 16 of the dial lock 1 is attached in a posture of protruding to the left side, the dial lock is viewed from the front as compared with the case where the latch 16 of the dial lock 1 is attached in a posture of protruding upward. 1 (the part other than the dial 21) is assembled to the door 3 in a state of being relatively offset counterclockwise (counterclockwise) by 90 degrees. However, since the direction indicating unit 30 is described in the opposite direction on the left and right (that is, it is described according to the direction of the dial lock 1 itself, not the direction when the dial lock 1 is viewed). In this case, the dial 21 is attached with the dial lock 1 (the part other than the dial 21) shifted 90 degrees clockwise (clockwise) relative to the dial lock 1 (characters). The numbers located at the upper end of the board 21) are the same. Therefore, the lock can be unlocked by rotating the dial portion 12 so that the same number (symbol) as in the case of mounting with the latch 16 protruding upward is at the upper end position.

Further, the receiving portion 4 is fixed in a posture of projecting upward from the lower side of the box body 3 of the object to be locked, whereas the latch 16 is assembled to the door 2 so as to project downward from the housing 11. In this case, as simply shown in FIG. 19, the dial lock 1 to which the dial 21 is not attached is attached in a posture in which the latch 16 projects downward from the housing 11 and can be engaged with the receiving portion 4. The ring body 19 is assembled to the door 2 in combination with the dial main body 22 so that the mark 19a is the upper end.

Next, the dial 21 is attached to the dial body 22 of the dial lock 1. At this time, since the latch 16 is attached in a state of protruding downward from the housing 11, the specific engaging portion 21a'provided on the dial 21 is referred to as "below" the dial body portion 22 in accordance with this. It is attached in a direction that engages with the engaged portion 22h corresponding to the described orientation indicating portion 30.

In this way, when the latch 16 of the dial lock 1 is attached in a downwardly projecting position, the dial lock 1 is viewed from the front as compared with the case where the dial lock 1 latch 16 is attached in an upwardly projecting position. (Parts other than the dial 21) will be assembled to the door 3 in a state of being relatively offset counterclockwise (counterclockwise) by 180 degrees. However, since the orientation indicating unit 30 is described in the opposite direction on the left and right, in this case, the dial 21 is rotated clockwise relative to the dial lock 1 (the portion other than the dial 21). It will be installed in a state of being shifted 180 degrees (clockwise), and the numbers located at the upper end of the dial portion 12 (dial 21) will be the same. Therefore, the lock can be unlocked by rotating the dial portion 12 so that the same number (symbol) as in the case of mounting with the latch 16 protruding upward or to the left side is at the upper end position.

Further, the receiving portion 4 is fixed in a posture of projecting from the right side to the left side of the box body 3 of the object to be locked, whereas the door 2 so that the latch 16 can project to the right side from the housing 11. When assembling to, as shown briefly in FIG. 20, the dial lock 1 not equipped with the dial 21 is in a posture in which the latch 16 protrudes to the right from the housing 11 and can be engaged with the receiving portion 4. Install. The ring body 19 is assembled to the door 2 in combination with the dial main body 22 so that the mark 19a is the upper end.

Next, the dial 21 is attached to the dial body 22 of the dial lock 1. At this time, since the latch 16 is attached from the housing 11 in a state of protruding to the right side, the specific engaging portion 21a'provided on the dial 21 is aligned with the "right" of the dial body portion 22. It is attached in a direction that engages with the engaged portion 22h corresponding to the described orientation indicating portion 30.

In this way, when the latch 16 of the dial lock 1 is attached in a posture of protruding to the right side, the dial lock is viewed from the front as compared with the case where the latch 16 of the dial lock 1 is attached in a posture of protruding upward. 1 (the part other than the dial 21) is assembled to the door 3 with a relative counterclockwise (counterclockwise) shift of 2700 degrees. However, since the orientation indicating unit 30 is described in the opposite direction on the left and right, in this case, the dial 21 is rotated clockwise relative to the dial lock 1 (the portion other than the dial 21). It will be installed in a state of being displaced by 270 degrees (clockwise), and the numbers located at the upper end of the dial portion 12 (dial 21) will be the same. Therefore, the lock can be unlocked by rotating the dial portion 12 so that the same number (symbol) as when the latch 16 is mounted so as to project upward, to the left, or downward is at the upper end position.

In this way, regardless of the protruding position of the receiving portion 4 in the box body 3, the dial lock 1 of the same product can be used, and the number (symbol) to be unlocked does not change. As a result, the same product can be used as the dial lock 1, so that the manufacturing cost can be reduced as compared with the conventional dial lock, the type does not need to be confirmed, the labor of inspection can be saved, and the dial can be used. The space for stocking the lock 1 can also be minimized.

In the above configuration, the angle of the circumferential interval in which the adjacent engaging portions 21a are provided on the dial 21 is different from the angle of the interval in which the adjacent direction indicating portions 30 are provided on the dial main body portion 22. Although the case where the angle is not an integral multiple is described, the case is not limited to this configuration, and the angle of the circumferential interval in which the adjacent engaging portions 21a are provided on the dial 21 and the adjacent orientation instruction on the dial main body portion 22 are indicated. The angle of the interval at which the portions 30 are provided may be configured in the same manner. For example, as shown in FIG. 21, the angle of the interval in the circumferential direction in which the adjacent engaging portions 21a are provided on the dial 21 and the dial The angle at which the adjacent orientation indicating portions 30 are provided in the main body portion 22 is 90 degrees, and four may be provided for each. As in the above embodiment, one of the engaging portions 21a is referred to as a specific engaging portion 21a'.

Even with this configuration, the dial lock 1 of the same product can be used regardless of the protruding position of the receiving portion 4 in the box body 3, and the number (symbol) to be unlocked does not change. As a result, the same product can be used as the dial lock 1.

In the above embodiment, the case where the dial 21 is assembled later has been described, but the present invention is not limited to this. That is, it is not always necessary to assemble the dial 21 afterwards, and the dial 21 is assembled to the dial body 22 of the dial lock 1 so as to correspond to the direction in which the latch 16 protrudes in advance. Then, the dial lock 1 may be assembled to the door 2.

Further, in the above embodiment, the engaging portion 21a of the dial 21 has a claw shape protruding rearward (the dial main body 22 side), and the engaged portion 22h of the dial main body 22 has a hole shape. However, the present invention is not limited to this, and conversely, the engaging portion 21a of the dial 21 is formed by a concave portion such as a hole shape or a recessed portion, and the engaged portion 22h of the dial body portion 22 is forward (on the dial 21 side). ) May be formed by a convex portion such as a claw shape.

Further, as the object to be locked to which the dial lock is attached, a box having a door such as a mailbox is preferable, but the present invention is not limited to this, and it goes without saying that it can be attached to other structures.

1 Dial lock 2 Door 3 Box body 4 Receiving part (latch receiving part)
11 Housing (lock body)
12 Dial section (dial operation section)
13 1st rotating body 14 2nd rotating body 15 3rd rotating body 16 Latch 17 Holding body 19 Ring body 21 Dial 22 Dial body 30 Directional display

Claims (3)

A housing that can be assembled to the door of the object to be locked, a dial part that is rotatable with respect to the housing with letters written on it, a rotating body that rotates with the rotation of the dial part, and a rotating body that rotates from the housing in either the up, down, left, or right direction. A dial lock with a latch that can be moved back and forth on one side.
The dial portion is provided with a dial having an engaging portion that represents characters and engaging with the dial body portion, and a plurality of engaged portions that are engaged with the engaging portion of the dial in the circumferential direction. It has a dial body that allows the dial to be mounted at different relative positions in multiple circumferential directions.
At a plurality of positions on the dial body where the dial is mounted, orientation indicators indicating the direction in which the latch protrudes are displayed.
One dial engaging portion is set to a specific engagement portion, the engaged portion of the holder dial body portion to correspond to the direction instruction section that matches the direction latch projects, specific engagement portion of the dial A dial lock characterized by being engaged. The dial lock according to claim 1, wherein the direction indicator is indicated by characters or notations having the same meaning as up, down, left, right, or the same. A claim characterized in that a ring body to be assembled in front of the door is provided at a plurality of different relative positions with respect to the circumferential direction, and the ring body is provided with a mark indicating a position to be adjusted at the time of unlocking. Item 2. The dial lock according to item 1 or 2.

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