JP2013087437A - Anti-panic type electric lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve crime prevention.SOLUTION: An anti-panic type electric lock of the present invention includes: a shaft provided slidably with respect to an indoor side handle 1 along a turning shaft of the indoor side handle 1; an energizing member for energizing the shaft in an indoor side sliding direction; an operation part 4 fixed to the indoor side end of the shaft; an engaging part fixed to the outdoor side end of the shaft; an engaged part provided such that the engaging part can be engaged; and a transmission member 7 connected such that the shaft can be slid along the turning shaft of the indoor side handle 1 on the side of the outdoor side end of the shaft. When the operation part 4 is operated against energizing force of the energizing member, an engaged state of the engaging part and the engaged part is released, and turning of the indoor side handle 1 is allowed.

Description

  The present invention relates to an electric lock, and more particularly, to an anti-panic electric lock attached to a door of a hotel guest room or the like.

  Generally, a door of a hotel guest room or the like is attached with a so-called anti-panic electric lock that can be unlocked freely by rotating a handle from the indoor side even when locked from the outside. .

  A conventional anti-panic electric lock includes a drive cam connected to an indoor handle and an outdoor handle and independently rotatable, and a locking / unlocking means for restricting only the rotation of the drive cam of the outdoor handle. And a solenoid that is electrically connected to the control device and drives the locking / unlocking means.When the door is closed, the solenoid is operated based on a locking signal from the control device, and the outdoor handle The rotation is restricted and the rotation of the indoor handle is allowed (for example, see Patent Document 1 or 2).

JP-A-8-120990 Japanese Patent Laid-Open No. 10-46884

  However, since the above-described conventional anti-panic electric lock can be turned into an unlocked state by anyone freely turning the handle on the indoor side, a child or the like goes out of the room without permission. Sometimes, it was not desirable for crime prevention.

  The present invention has been made to solve the above-described problems. By preventing the indoor handle from being rotated unless the operation unit is operated, a young child or the like goes out of the room without permission. An object of the present invention is to provide an anti-panic electric lock capable of preventing the above-described problem and improving crime prevention.

  The present invention relates to an indoor handle that is rotatably provided independently of the outdoor handle, a latch member that is capable of moving forward and backward from the door, and a turning force of the indoor handle is converted into a forward and backward movement of the latch member. An anti-panic electric lock comprising a lock mechanism mechanism that is slidable with respect to the indoor handle along the rotation axis of the indoor handle and is rotatable integrally with the indoor handle. A shaft to be provided; a biasing member that biases the shaft in the indoor sliding direction; an operation unit fixed to the indoor side end of the shaft; and an engagement unit fixed to the outdoor side end of the shaft And an engaged portion provided around the shaft so that the engaging portion can be engaged, and the shaft slides along the rotation axis of the indoor handle on the outdoor side end side of the shaft As possible And a transmission member that transmits the rotational force of the indoor shaft to the lock mechanism, and when the operation portion is not operated, the engagement portion and the engaged member are driven by the urging force of the urging member. When the engagement state with the joint portion is maintained and the rotation of the indoor handle is restricted, and the operation portion is operated against the urging force of the urging member, the engagement portion and the engaged portion The engagement state is released, and the indoor handle is allowed to rotate.

  Further, in the anti-panic electric lock according to the present invention, the shaft of the indoor handle passes through the indoor handle seat disposed opposite to the outdoor case across the door, and the engaged portion is the chamber. The spacer is fixed to the inner surface of the inner handle seat, and a collar is provided outside the spacer so as to seal the engaging portion and the engaged portion.

  Furthermore, in the anti-panic electric lock according to the present invention, the operation portion is provided on the indoor handle so that it can be pressed, and when the operation portion is pressed, the shaft slides to the outside of the door and the engagement portion. The engagement state between the joint portion and the engaged portion is released.

  According to the present invention, while securing the original function of the anti-panic electric lock, it is possible to prevent a young child or the like from going out of the room without permission, and to improve crime prevention. Various excellent effects can be obtained.

It is a front view which shows the indoor side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is AA sectional drawing of FIG. It is a top view which shows the indoor side handle of the indoor side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the shaft of the indoor side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the operation part of the indoor side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the engaging member of the room inner side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the 1st spacer of the room inner side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the 2nd spacer of the indoor side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the color of the indoor side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the washer member of the indoor side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the fastening member of the room inner side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention. It is a top view which shows the transmission member of the room inner side operation mechanism part of the anti-panic electric lock which concerns on embodiment of this invention.

  Next, an anti-panic electric lock according to an embodiment of the present invention will be described with reference to the drawings.

  The anti-panic electric lock according to the present embodiment includes an indoor handle 1 provided to be rotatable independently of an outdoor handle (not shown), and an indoor side along the rotation axis of the indoor handle 1. A shaft 2 provided to be slidable with respect to the handle 1, a compression spring (not shown) as an urging member for urging the shaft 2 in the indoor sliding direction, and an operation fixed to the indoor side end of the shaft 2 Part 4, engagement member 5 fixed to the outdoor end of shaft 2, engaged member 6 provided around shaft 2 so that engagement member 5 can be engaged, and chamber of shaft 2 The indoor side operation mechanism part 100 which has the transmission member 7 connected so that the shaft 2 can be slid along the rotation axis of the indoor side handle 1 on the outer side end side is provided. Part 100 sandwiches the door It is attached to the interior side handle seat 17 disposed opposite to the outer case (not shown).

  Further, the anti-panic electric lock according to the present embodiment includes, in addition to the indoor side operation mechanism unit 100, a latch member provided so as to be able to advance and retreat from the small mouth of the door, and the turning force of the indoor side handle 1 as the latch member. A lock mechanism mechanism for converting the forward / backward movement and an outdoor operation mechanism section attached to the outdoor case, these configurations are the same as those of a conventionally known anti-panic electric lock. Therefore, the illustration and detailed description are omitted here.

  As shown well in FIG. 3, the indoor handle 1 has an elongated grip portion 9 provided in parallel to the surface of the indoor handle seat 17 and a right angle with the grip portion 9 at one end of the grip portion 9. And a shaft portion 10 that passes through the indoor handle seat 17 and is configured to be rotatable about the shaft portion 10 as a rotation shaft. The shaft portion 10 is formed with a columnar operation portion receiving recess 11, a columnar shaft insertion portion 60 having a smaller diameter than the operation portion receiving recess 11, and a prismatic transmission member insertion portion 12 in the axial direction from the indoor side. Step portions 61 and 62 are formed between the operation portion accommodating recess 11 and the shaft insertion portion 60 and between the shaft insertion portion 60 and the transmission member insertion portion 12, respectively. Further, a screw portion 13 is formed on the outer peripheral portion of the shaft portion 10 on the outdoor side, and the groove portion 14 is formed so as to face the shaft center so as to cut out the screw portion 13 in the axial direction. Each groove portion 14 is formed with a round hole 15 and a rectangular long hole 16 from the outdoor side, and the round hole 15 and the long hole 16 are formed so as to communicate with the transmission member insertion portion 12.

  As shown well in FIG. 4, the shaft 2 has a round bar shape and is formed so that it can be inserted into the shaft portion 10 from the transmission member insertion portion 12 side of the shaft portion 10. The outer end 18 and the outdoor end 19 are each formed with a smaller diameter than the intermediate portion 20. In addition, a stepped portion 21 having a smaller diameter than that of other portions of the indoor side end 18 is formed at the center of the indoor side end 18 of the shaft 2, and a chamber is provided at the distal end side of the outdoor side end 19 of the shaft 2. A stepped portion 22 having a smaller diameter than other portions of the outer end 19 is formed.

  As shown well in FIG. 5, the operation part 4 has a substantially cylindrical shape and is formed so as to be accommodated in the operation part accommodation recess 11 of the shaft part 10. An indoor side end insertion recess 23 is formed along the axial direction at the outdoor end of the operation unit 4, and communicates with the outer periphery of the operation unit 4 from a direction orthogonal to the indoor side end insertion recess 23. A screw hole 24 is formed. An annular ridge 58 is formed at the outdoor end of the operation portion 4 so as to surround the entrance portion of the indoor end insertion recess 23, and one end of the compression spring is fitted into the ridge 58. Is possible.

  As shown well in FIG. 6, the engaging member 5 has a block shape and is provided with an engaging portion 25 that protrudes to the left and right sides. It is formed so as to protrude from the shaft portion 10 in a state of being fixed to the outdoor end portion 19. In addition, a shaft insertion hole 26 is formed in the engagement member 5 in the axial direction, and a screw hole 27 is formed in the outer peripheral portion of the engagement member 5 so as to communicate from the direction orthogonal to the shaft insertion hole 26. .

  The engaged member 6 is composed of two plate-shaped spacers, a first spacer 28 attached to the inner surface of the indoor handle seat 17 and a second spacer 29 superimposed on the outdoor side of the first spacer 28. Yes.

  As shown well in FIG. 7, the first spacer 28 includes an annular first shaft portion insertion portion 30, a first attachment arm portion 31 that extends from the first shaft portion insertion portion 30 to the left and right outer sides, The first shaft insertion portion 30 is formed with a first insertion hole 32 through which the shaft portion 10 of the indoor handle 1 can be inserted. Further, the left and right first attachment arm portions 31 are provided with an outer recessed portion 33 that is recessed toward the indoor side and an inner recessed portion (not illustrated) that is recessed toward the outdoor side in parallel by embossing. The opposite outer convex portion (not shown) can be fitted into a concave portion (not shown) formed on the inner surface of the indoor handle seat 17.

  As shown well in FIG. 8, the second spacer 29 has substantially the same shape as the first spacer 28, and is formed from an annular second shaft portion insertion portion 35 and second shaft portion insertion portion 35. The second attachment arm portion 36 extends to the left and right outer sides, and the second shaft insertion portion 35 is formed with a second insertion hole 37 through which the shaft portion 10 of the indoor handle 1 can be inserted. Around the second insertion hole 37, two engaged portions 38 are cut out at positions facing each other, and the engaged portion 25 of the engaging member 5 (see FIG. 6) is engaged with the engaged portion 38. Can be engaged. The second mounting arm portion 36 is formed with mounting holes 39 and 40 at positions corresponding to the inner concave portion 34 of the second spacer 28, and the inner concave portion of the first spacer 28 is formed in the mounting holes 39 and 40. The inner convex portion 34 (see FIG. 7) on the opposite side can be fitted. Furthermore, one mounting hole 39 has a circular shape and the other mounting hole 40 has a horizontally long oval shape, thereby absorbing left and right dimensional errors of the mounting holes 39 and 40 and the inner recess 34. Can do.

  A collar 41 is provided on the outdoor side of the second spacer 29 so as to overlap. As shown in FIG. 9, the collar 41 includes an outer peripheral portion 59 formed in a flat cylindrical shape so as to cover the engaged portion 38 (see FIG. 8) of the second spacer 29, and an outer peripheral portion. 59, and an annular shaft insertion portion 42 formed at the outer end of the outdoor portion 59. A circular insertion hole 43 into which the shaft portion 10 of the indoor handle 1 can be inserted is formed in the shaft insertion portion 42. Has been.

  A washer member 45 is provided outside the collar 41 so as to overlap the shaft insertion portion 42 with an annular resin thin plate 44 interposed therebetween. As shown well in FIG. 10, the washer member 45 includes an annular shaft portion insertion portion 46, and the shaft portion insertion portion 46 has a circular insertion hole through which the shaft portion 10 of the indoor handle 1 can be inserted. 47 is formed. In addition, a locking piece 48 is formed at the inner edge portion of the shaft portion insertion portion 46 so as to be able to be locked in the groove portion 14 (see FIG. 3) of the shaft portion 10 toward the indoor side. The washer member 45 is rotated together with the indoor handle 1 when the piece 48 is engaged with the groove 14. Further, a large number of claw pieces 49 are provided radially on the outer edge portion of the shaft insertion portion 46 of the washer member 45.

  A substantially annular fastening member 50 is provided on the interior side of the washer member 45 so as to overlap the flat surface of the washer member 45. As shown in FIG. 11, the fastening member 50 includes a female screw portion 51 formed on the inner edge portion, and the female screw portion 51 is screwed into the screw portion 13 (see FIG. 3) of the shaft portion 10. It is possible. The outer edge 52 of the tightening member 50 is bent outward, and four notches 53 are formed at equal intervals in the outer edge 52, and the width of the notches 53 is the claw of the washer member 45. It is formed larger than the width of the piece 49.

  As shown well in FIG. 12, the transmission member 7 has a rectangular bar shape, an outdoor end insertion recess 54 is formed from the indoor side, and the outer peripheral portion is orthogonal to the outdoor end insertion recess 54. A rectangular hole 55 that is elongated in the axial direction is opened so as to communicate from the direction, and this rectangular hole 55 is provided at a position corresponding to the elongated hole 16 (see FIG. 3) of the indoor handle 1. Further, the transmission member 7 has a through hole 56 formed outside the rectangular hole 55, and the through hole 56 is provided at a position corresponding to the round hole 15 (see FIG. 3) of the indoor handle 1. . Further, a cutout recess 57 is formed by chamfering a corner portion outside the through hole 56 of the transmission member 7.

  When attaching the indoor side operation mechanism unit 100 having the above configuration to the indoor handle seat 17, first, the transmission member 7 is inserted into the transmission member insertion portion 12 of the shaft portion 10 of the indoor handle 1, and the shaft portion 10 Fasteners (not shown) are inserted into the round holes 15 and through small holes 56 of the transmission member 7 to fix the transmission member 7 to the shaft portion 10. Then, after the shaft portion 10 to which the transmission member 7 is fixed as described above penetrates the indoor handle seat 17, the engaging member 5 is inserted into the rectangular hole 55 of the transmission member 7 through the long hole 16 of the shaft portion 10. .

  Next, the indoor side end 18 of the shaft 2 is inserted into the indoor side end insertion recess 23 of the operation unit 4, a screw (not shown) is screwed into the screw hole 24, and the tip of the screw is connected to the indoor side of the shaft 2. An operation portion of the indoor handle 1 from the indoor side is fixed to the step portion 21 of the end portion 18, the operation portion 4 is fixed to the shaft 2, and one end of the compression spring is fitted to the raised portion 58. Insert into the housing recess 11. Then, the shaft 2 is inserted into the shaft insertion portion 60 and the outdoor side end insertion recess 54 of the transmission member 7, and the outdoor side end 19 is inserted into the shaft insertion hole 26 of the engagement member 5. A screw (not shown) is inserted into the screw hole 27 of 5, the tip of the screw is brought into contact with the stepped portion 22 of the outdoor side end portion 19 of the shaft 2, and the engaging member 5 is fixed to the shaft 2.

  Thereby, the shaft 2 and the operation unit 4 can slide with respect to the indoor handle 1 and the transmission member 7 along the rotation axis of the indoor handle 1 and can rotate integrally with the indoor handle 1 and the transmission member 7. When the compression spring is interposed between the outdoor end portion of the operation portion 4 and the step portion 61, the compression spring is biased in the indoor sliding direction.

  Next, as described above, the shaft 10 of the indoor handle 1 with the shaft 2, the compression spring 3, the operating portion 4, the engaging member 5, and the transmission member 7 attached thereto is passed through the indoor handle seat 17. In the installed state, the first spacer 28, the second spacer 29, the collar 41, the resin thin plate 44, and the washer member 45 are inserted through the shaft portion 10 in order from the indoor side. Thereafter, the female screw portion 51 of the fastening member 50 is screwed into the screw portion 13 of the shaft portion 10 and tightened, and the claw portion 49 of the washer member 45 is bent outward and locked to the notch portion 53 of the tightening member 50. Then, each component is assembled.

  At this time, the outer convex portion on the opposite side of the outer concave portion 33 of the first spacer 28 is formed to be able to fit into the concave portion of the indoor handle seat 17, and the first spacer 28 is attached to the mounting holes 39 and 40 of the second spacer 29. Since the inner convex portion 34 on the opposite side of the inner concave portion is formed so as to be fitted, the positioning operation of the first spacer 28 and the second spacer 29 can be performed smoothly and easily.

  Next, the operation of the anti-panic electric lock according to the present embodiment when the indoor handle 1 is operated will be described.

  First, when the operation portion 4 is not pressed, the shaft 2 and the operation portion 4 are held in the indoor-sliding posture by the urging force of the compression spring, so that the engagement portion 25 of the engagement member 5 The engagement state of the second spacer 29 with the engaged portion 39 is maintained, and the rotation of the indoor handle 1 is restricted. Accordingly, since the indoor handle 1 cannot be rotated when the operation unit 4 is not pressed, it is possible to prevent a young child or the like from going out of the room without permission and to improve crime prevention. be able to.

  On the other hand, when the operating portion 4 is pressed against the urging force of the compression spring, the shaft 2 and the operating portion 4 slide to the outdoor side, so that the engaging portion 25 of the engaging member 5 and the second portion The engagement state of the spacer 29 with the engaged portion 39 is released, and the rotation of the indoor handle 1 is allowed. Therefore, when the indoor handle 1 is rotated while pressing the operating portion 4, the locking mechanism converts the turning force of the indoor handle 1 into the backward movement of the latch member from the small edge of the door. Can be unlocked.

  As described above, according to the anti-panic electric lock according to the embodiment of the present invention, the unlocked state can be freely released by rotating the handle from the indoor side while pressing the operation unit 4 even in the locked state from the outdoor side. The anti-panic type electric lock that can be used, while preventing the child from going out of the room without permission, and the like, can be improved crime prevention Can be obtained.

  Further, in the anti-panic electric lock according to the above-described embodiment, when the door is unlocked from the indoor side, it is necessary to press the operation unit 4, but the pressing operation itself is a simple operation, Since the unit 4 is disposed on the rotation shaft of the indoor handle 1, if the child is a normal adult or a child of elementary school age or more, the user can easily hold the operation unit 4 with the thumb when holding the grip unit 9 by hand. A pressing operation can be performed. Therefore, the unlocking operation from the indoor side does not become difficult as compared with the conventional anti-panic electric lock.

  Further, the collar 41 overlaps with the second spacer 29 on the indoor side, and the washer member 45 and the fastening member 50 overlap on the outdoor side, so that the engaging portion 25 of the engaging member 5 and the second spacer 29 are engaged. Since the collar 41 is attached so as to seal the engagement portion with the portion 39, the wire or the like is forcibly entered into the interior side handle seat 17 so that the engagement portion 25 and the engaged portion 39 are engaged. It is also possible to prevent fraudulent attempts to cancel.

DESCRIPTION OF SYMBOLS 1 Indoor side handle 2 Shaft 4 Operation part 18 Indoor side edge part of shaft 19 Outdoor side edge part of shaft 25 Engagement part 29 2nd spacer 38 Engagement part 41 Color

Claims (3)

An indoor handle provided so as to be rotatable independently of the outdoor handle, a latch member provided so as to be able to advance and retreat from the door, and a lock mechanism mechanism for converting the turning force of the indoor handle into the forward and backward movement of the latch member. An anti-panic electric lock with
A shaft that is slidable with respect to the indoor handle along the rotation axis of the indoor handle, and that can be rotated integrally with the indoor handle;
An urging member for urging the shaft in the indoor sliding direction;
An operation part fixed to the indoor side end of the shaft;
An engaging part fixed to the outdoor end of the shaft;
An engaged portion provided around the shaft so that the engaging portion can be engaged;
A transmission member connected on the outdoor end side of the shaft so as to be slidable along a rotation axis of the indoor handle, and transmitting a rotational force of the indoor shaft to the lock mechanism;
When the operation portion is not operated, the engagement state between the engagement portion and the engaged portion is maintained by the urging force of the urging member, and the rotation of the indoor handle is restricted. When the operation portion is operated against the urging force of the urging member, the engagement state between the engagement portion and the engaged portion is released and the rotation of the indoor handle is allowed. Anti-panic electric lock characterized by being made.   The shaft of the indoor handle passes through the indoor handle seat disposed opposite to the outdoor case across the door, and the engaged portion is a spacer fixed to the inner surface of the indoor handle seat, An anti-panic electric lock characterized in that a collar is provided on the outdoor side of the spacer so as to seal the engaging portion and the engaged portion. The operation portion is provided on the indoor handle so that it can be pressed, and when the operation portion is pressed, the shaft slides to the outside of the door and the engagement portion and the engaged portion are engaged. The anti-panic electric lock according to claim 1 or 2, wherein is released.