JP2016089336A5 - - Google Patents

Description

Key unit

  The present invention relates to a key unit having a magnetic key capable of unlocking a magnetic lock.

  A magnet key in which a plurality of magnets are arranged in a magnet holding portion that is provided integrally with a key body and protrudes from the key body is known from Patent Document 1.

Japanese Patent No. 3914043

  In the one disclosed in Patent Document 1, the degree of freedom in design of the key body is limited, and it is desired to increase the degree of freedom in design.

  The present invention has been made in view of such circumstances, and an object thereof is to increase the degree of freedom in design of a key unit having a magnet key.

  To achieve the above object, the present invention provides a key unit having a magnetic key capable of unlocking a magnetic lock, wherein the magnetic key is provided in a portable case, a protruding position protruding from the case, and the case. The first feature is that it is mounted so as to be able to operate between the retracted storage positions.

  According to the present invention, in addition to the configuration of the first feature, a resilient member that resiliently biases the magnet key toward the protruding position, a restricting position that holds the magnet key in the retracted position, and the magnet An operation restricting member that is supported by the case and is elastically biased toward the restricting position so that the key can be operated between restricting release positions that allow operation of the key from the retracted position to the protruding position. A second feature is that the operation restricting member is provided with a push button disposed in the case to enable the pushing operation so as to forcefully move the operation restricting member to the restriction release position.

  According to the present invention, in addition to the configuration of the first or second feature, the magnet key unlocks the magnet lock that holds the shutter plate that opens and closes the key hole of the cylinder lock in a closed position. The third feature.

The present invention, in addition to the configuration of the third feature, the mechanical key to unlock the cylinder lock is a fourth feature that it is fixed to the case so as to protrude from the case.

  According to the first feature of the present invention, the key unit is attached to the portable case so that the magnet key can be attached between the protruding position protruding from the case and the storage position stored in the case. Since it is configured, the degree of freedom in designing the key unit can be increased.

  Further, according to the second feature of the present invention, the magnet key can be moved from the storage position to the protruding position only by pushing the push button and the operability is improved.

  According to the third feature of the present invention, the opening operability of the shutter plate that protects the key hole of the cylinder lock can be enhanced.

  Furthermore, according to the fourth feature of the present invention, since the mechanical key is fixed to the case, the portability of the case can be improved.

It is a perspective view of a cylinder lock protection device and a key unit. It is a perspective view of a key unit. It is a disassembled perspective view of a key unit. It is a disassembled perspective view of a case. FIG. 5 is a sectional view taken along line 5-5 of FIG. FIG. 6 is a view taken in the direction of arrow 6 in FIG. 2. FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 6. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 6. FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 6. FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. FIG. 11 is a cross-sectional view taken along line 11-11 in FIG. 7. FIG. 12 is a sectional view taken along line 12-12 of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to FIG. 1 to FIG. 12. First, in FIG. 1, the switching mode of the ignition switch and the locking and unlocking states of the steering can be switched. A protective device 17 is attached to a cylinder body 16 of a cylinder lock 15 used in a vehicle such as a motorcycle.

  The protective device 17 can protect the key hole 18 of the cylinder lock 15 by closing it with a shutter plate 19, and the closed position of the shutter plate 19 is a position adjacent to the protective device 17. It is held by a magnetic lock 20 that is arranged and connected to the protection device 17. The magnet lock 20 has a magnet key insertion hole 21. By inserting the magnet key 22 into the magnet key insertion hole 21, the shutter plate 19 can be operated from the closed position to the open position. .

  Referring also to FIG. 2, the magnet key 22 has a portable case 23, a protruding position protruding from the case 23 (position indicated by a chain line in FIG. 2), and a storage position stored in the case 23. (Position shown by a solid line in FIG. 2), and is fixed to the case 23 so as to protrude from the case 23 and the magnet key 22 and the case 23. A part of the key unit 25 is constituted by the mechanical key 24, and the cylinder lock 15 can be unlocked by the mechanical key 24.

3 to 5 together, the case 23 is formed in a rectangular shape that is long and flat in one direction by connecting the first and second case members 27 and 28 made of synthetic resin to each other. The magnet key 22 can be rotated about 180 degrees between a protruding position protruding from one longitudinal end of the case 23 and a storage position stored in the case 23. The base end portion of the mechanical key 24 is insert-coupled to the first case member 27 so that the mechanical key 24 protrudes from the other end portion in the longitudinal direction of the case 23.

  The first case member 27 is a first case member main portion 27a having a flat plate shape, and a first end portion of the first case member main portion 27a that protrudes from one side in the longitudinal direction of the first case member main portion 27a toward the second case member 16 side. The first bulge on the other end side bulges from the other end in the longitudinal direction of the first case member main portion 27a to the second case member 28 side by insert-coupling the bulge 27b and the base end of the mechanical key 24. The one end side first raised portion 27b and the other end side first raised portion 27c are connected so as to rise from the width direction one side of the first case member main portion 27a to the second case member 28 side. The first side wall portion 27d and the first case member main portion 27a project from the middle in the width direction to the second case member 28 side, and are between the one end side first protuberance portion 27b and the other end side first protuberance portion 27c. The intermediate wall 27e connecting the two It is formed having a.

  The amount of protrusion from the first case member main portion 27a of the one end side first protruding portion 27b and the first side wall portion 27d is the amount of protrusion from the first case member main portion 27a of the other end side first protruding portion 27c. The maximum bulge amount of the intermediate wall portion 27e from the first case member main portion 27a is set larger than the bulge amount of the other end side first bulge portion 27c. Further, step portions 29 are respectively formed on both sides in the width direction of the other end side first raised portion 27c.

  The second case member 28 has a flat plate-like second case member main portion 28a and one end side second protruding from the one side in the longitudinal direction of the longitudinal one end portion of the second case member main portion 28a toward the first case member 27 side. A raised portion 28b, a second raised portion 28c on the other end side raised from the other longitudinal end of the second case member main portion 28a toward the first case member 27, and a width direction of the second case member main portion 28a. A second side wall portion 28d that protrudes from the side toward the first case member 27 and connects between the one end side second raised portion 28b and the other end side second raised portion 28c, and has an arcuate cross-sectional shape. On the other hand, the other end side second raised portion 28c is integrally provided with a pair of projecting portions 28e projecting from the both sides in the width direction to the first case member 27 side.

The amount of protrusion from the second case member main portion 28a of the one end side second protruding portion 28b and the second side wall portion 28d is set to be the same, and the second case member of the other end side second protruding portion 28c is set. protrusion amounts from the main portion 28 a is set smaller than the protrusion amounts from the second case member main portion 28a of the one end side second raised portion 28b and the second side wall portion 28d.

  When the first and second case members 27 and 28 are combined with each other, the one end side first raised portion 27b abuts on the one end side second raised portion 28b, and the other end side first raised portion 27c is on the other end side. Abutting on the second raised portion 28 c, the first side wall portion 27 d abuts on the second side wall portion 28 d, and the protruding portion 28 e of the second case member 28 is engaged with the step portion 29 in the first case member 27. Thus, in the state where the first and second case members 27 and 28 are aligned with each other, the first and second cases on the opposite side of the intermediate wall portion 27e from the first and second side wall portions 27d and 28d. Between the members 27, 28, the other side along the width direction of the first and second case members 27, 28 opens to the outside, and the width of one end portion in the longitudinal direction of the first and second case members 27, 28. Retraction concave opening to the outside between other directions 30 is formed as possible to store the magnetic key 22.

  In order to determine the relative positions of the first and second case members 27 and 28, the first case member 27 protrudes from the first case member main portion 27a at a position adjacent to the one end side first raised portion 27b. The rod-shaped first positioning projection 27f, the rod-shaped second positioning projection 27g protruding from two places spaced in the width direction of the other end-side first raised portion 27c, the one end-side first raised portion 27c, and the A third positioning protrusion 27h having a substantially L-shaped cross section protruding from the first case member main portion 27a is integrally formed at a portion corresponding to the continuous portion of the first side wall portion 27d. On the other hand, the second positioning member 27g is fitted to the second case member 28 so that the first positioning projection 27f is fitted to the first positioning recess 31 disposed on the one end side second raised portion 28b. A pair of second positioning recesses 32 arranged in the second raised portion 28c on the other end side, and a third positioning recess 33 arranged in the second side wall portion 28d so as to fit the third positioning projection 27h Is formed.

Locking holes 34 are formed in the intermediate wall portion 27e of the first case member 27 so as to be disposed at two positions spaced apart in the longitudinal direction of the first case member 27. A pair of engaging claws 28f that are elastically engaged with the second case member 28 project integrally from the second case member main portion 28a toward the first case member 27 side. The The second case member 28 has a cylindrical boss portion 28g positioned on an extension in the arrangement direction of the pair of engaging claws 28f from the one end side second raised portion 28b toward the first case member 27 side. The first case member main portion 27a of the first case member 27 is provided with a circular contact seat 27i having an insertion hole 35 so as to contact the boss portion 28g. are formed integrally, the first case member main portion 27 a threaded member 36 from the outside is inserted into the insertion hole 35 of the first case member 27 is screwed into the boss portion 28 g. That is, the first and second case members 27, 28 are engaged with each other at two positions spaced in the middle in the width direction and in the longitudinal direction of the case members 27, 28, They are coupled to each other by being fastened by the screw member 36 at one place.

  The first and second case members 27, 28 are connected to each other so that the through holes 37, 38 are connected to each other so that one end side first raised portion 27 b of the first case member 27 and one end side of the second case member 28 are connected. The through holes 37 and 38 are provided in the second raised portion 28 b and are used for attaching a strap or the like to the case 23.

  The magnet key 22 is formed by arranging a plurality of, for example, three magnets 41 on a magnet key body 40 made of synthetic resin, and the magnet key body 40 is stored in the storage recess 30. The case 23 is formed to be long in the longitudinal direction, and one end of the magnet key body 40 is rotatably supported by the case 23.

  In the state where the magnet key body 40 is stored in the storage recess 30, the other end of the magnet key body 40 has a surface facing the first case member main portion 27 a of the first case member 27. A recess 42, a circular protrusion 43 disposed at the center of the recess 42, and a plurality of, for example, four receiving recesses 44 disposed around the circular protrusion 43 in the recess 42. The magnet 41 is accommodated in such a manner that any one of the N pole and the S pole faces the outer end side of the accommodating recess 44 in the three accommodating recesses 44 selected from among the four accommodating recesses 44. In this state, the magnet key 22 is configured by fitting a lid member 46 having a circular hole 45 into which the circular protrusion 43 is fitted into the concave portion 42 and attaching the lid member 46 to the concave portion 42.

  Moreover, in order to make the insertion position of the magnet key 22 into the magnet key insertion hole 21 in the magnet lock 20 constant, the magnet key body 40 has a surface opposite to the surface on which the magnet 41 is disposed. Inclined surfaces 40 a are formed on both sides in the width direction, and the magnet key insertion hole 21 is also formed in a shape corresponding to the cross-sectional shape of the magnet key body 40.

  In addition to the magnet key 22, the case 23, and the mechanical key 24, the key unit 25 includes a torsion spring 48 as a resilient member that resiliently biases the magnet key 22 toward the protruding position, An operation regulating member 49 that regulates the operation of the magnet key 22 and a push button 50 that is disposed in the case 23 so as to be able to operate the operation regulating member 49 are provided.

  With reference to FIGS. 6 to 12 as well, a circular spring accommodating recess 51 in which a rod-like protrusion 27j protrudes from the center of one end of the first case member main portion 27a of the first case member 27. Is formed, and a cylindrical guide tube portion 27k that protrudes toward the second case member 28 from the peripheral edge of the spring accommodating recess 51 is integrally provided. Further, an arcuate rotation restricting groove 52 disposed around the guide tube portion 27k is formed in the first case member main portion 27a.

  The operation restricting member 49 protrudes to both sides from the outer periphery of the cylindrical portion 49a so as to be disposed on one diameter line of the cylindrical portion 49a and one end portion of the cylindrical portion 49a inserted into the guide cylindrical portion 27k. A pair of first engaging arm portions 49b that are disposed on another diameter line of the cylindrical portion 49a closer to the first case member main portion 27a than the first engaging arm portions 49b. A pair of second engaging arm portions 49c projecting on both sides from the outer periphery of the cylindrical portion 49a are integrally provided, and the first engaging arm portion 49b and the second engaging arm portion 49c extend in directions orthogonal to each other. Thus, it protrudes from the cylindrical portion 49a. The push button 50 formed in a bottomed cylindrical shape is coaxially and integrally connected to the other end of the cylindrical portion 49a.

  One end of the torsion spring 48 is accommodated in the spring accommodating recess 51 so as to surround the protrusion 27j of the first case member 27 and is in contact with the first case member main portion 27a. The other end of the torsion spring 48 is accommodated in the push button 50 and abuts against the push button 50. Moreover, the first engagement piece 48a formed at one end of the torsion spring 48 crosses one circumferential direction of the guide tube portion 27k, and the locking groove 58 formed in the first case member 27. The second engagement piece 48b formed at the other end of the torsion spring 48 is engaged with a locking projection 50a formed inside the push button 50. By such a torsion spring 48, the operation restricting member 49 and the push button 50 are spring-biased in a direction away from the first case member main portion 27a, and in the clockwise direction of FIGS. 6 and 10-12. It will be spring-biased.

A through hole 53 through which the cylindrical portion 49a of the operation restricting member 49 passes is inserted into one end portion of the magnet key body 40 of the magnet key 22 so that a part of the guide tube portion 27k of the first case member 27 is inserted. and provided, at one end portion of the second case member main portion 2 8a of the second case member 28, from the through hole 53 so as to insert the cylindrical portion 49a and the push button 50 of the actuating regulating member 49 An insertion hole 54 having a small diameter is provided coaxially with the through hole 53.

  In the magnet key body 40, a pair of fitting grooves 55 for slidably fitting the first engaging arm portions 49b of the operation restricting member 49 open to the inner surface of the through hole 53 and extend in the axial direction. Provided. On the other hand, the second case member main portion 28 a of the second case member 28 has the magnet key body on the first engagement arm portion 49 b of the operation restricting member 49 urged in the axial direction by the torsion spring 48. The pair of first engaging recesses 56 forming a stepped portion 56a facing from the side opposite to the side 40 is connected to the fitting groove 55 in a state where the magnet key 22 is in the storage position, and the insertion hole 54 is provided so as to open to the inner surface of 54 and the magnet key body 40 side.

  Further, the magnet key body 40 contacts the second engagement arm portion 49c of the operation restricting member 49 urged in the axial direction by the torsion spring 48 from the side opposite to the first case member main portion 27a. A pair of second engaging recesses 57 forming stepped portions 57a that can come into contact with each other are provided so as to open to the inner surface of the through hole 53 and the first case member main portion 27a side. 57, the second engagement arm portion 49c of the operation restricting member 49 is slidably engaged.

  The first engagement arm portion 49b of the operation restricting member 49 is fitted in the fitting groove 55 of the magnet key main body 40, and the second engagement arm portion 49c is the second engagement of the magnet key main body 40. By engaging with the recess 57, the magnet key body 40 is elastically biased toward the protruding position by the spring force of the torsion spring 48 acting on the operation restricting member 49. Thus, when the magnet key 22 is rotated to the retracted position against the spring force of the torsion spring 48, the fitting groove 55 of the magnet key body 40 becomes the first engagement of the second case member 28. The operation restricting member 49 that is connected to the joint recess 56 and is axially biased by the torsion spring 48 engages a part of the first engagement arm portion 49b with the first engagement recess 56. Axial direction to position Moving. As a result, the first engagement arm portion 49b is engaged across the fitting groove 55 and the first engagement recess 56, and the magnet key 22 is released even if the hand is released from the magnet key 22. Is held at the storage position. At this time, the second engagement arm portion 49 c of the operation restricting member 49 abuts on the stepped portion 57 a of the second engagement recess 57, and the magnet key body is subjected to the axial spring biasing force of the torsion spring 48. 40 is pressed against the second case member 28, thereby suppressing the shakiness of the magnet key 22 in the case 23, and in this state, a part of the push button 50 is the second case member 28 in the second case member 28. It protrudes from the case member main portion 28a.

  That is, the operation restricting member 49 is engaged with the fitting groove 55 and the first engaging recess 56 at the retracted position of the magnet key 22 to hold the magnet key 22 at the retracted position. The magnet key 22 protrudes from the retracted position by pushing the push button 50 and releasing the engagement with the engagement recess 56 by a restriction position (a position indicated by a solid line in FIGS. 7 and 8). It is disposed in the case 23 so as to operate between the restriction release positions (positions indicated by chain lines in FIGS. 7 and 8) that allow the position to rotate.

  Further, the magnet key body 40 is integrally provided with a restricting protrusion 40b that fits into the rotation restricting groove 52 formed in the first case member main portion 27a of the first case member 27, and The restricting protrusions 40b abut against both ends of the turn restricting groove 52 in the circumferential direction, thereby restricting the turn end of the magnet key 22 toward the storage position and the turn end toward the protruding position. .

  Next, the operation of this embodiment will be described. In a key unit 25 having a magnet key 22 capable of unlocking the magnet lock 20, the magnet key 22 protrudes from the case 23 into a portable case 23. Since it is attached so that it can operate | move between a position and the storage position stored in the said case 23, the freedom degree on the design of the key unit 25 can be raised.

  The key unit 25 includes a torsion spring 48 that elastically biases the magnet key 22 toward the protruding position, a restriction position that holds the magnet key 22 in the retracted position, and the retracted position of the magnet key 22. An operation restricting member 49 that is supported by the case 23 and is elastically biased toward the restricting position so as to be able to operate between restricting release positions that allow operation from the projecting position to the projecting position; Since the pressing member 50 is provided in the case 23 so that the restricting member 49 can be pushed to move to the restriction release position forcibly, the push button 50 is simply pushed. The magnet key 22 can be moved from the retracted position to the protruding position, improving operability.

  Since the magnet key 22 unlocks the magnet lock 20 that holds the shutter plate 19 that opens and closes the key hole 18 of the cylinder lock 15 in the closed position, the shutter plate that protects the key hole 18 of the cylinder lock 15. The opening operability of 19 can be improved.

  Further, since the mechanical key 24 for unlocking the cylinder lock 15 is fixed to the case 23 so as to protrude from the case 23, the portability of the case 23 can be improved.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the present invention described in the claims. Is possible.

For example, in the above-described embodiment, the torsion spring 48 elastically biases the magnet key 22 toward the protruding position and the operation restricting member 49 toward the restricting position. A first resilient member that urges and urges the key 22 toward the protruding position and a second resilient member that urges and urges the operation restricting member 49 toward the restricting position may be provided. Good.

15 ... Cylinder lock 18 ... Key hole 19 ... Shutter plate 20 ... Magnet lock 22 ... Magnet key 23 ... Case 24 ... Mechanical key 25 ... Key unit 48 ...・ Torsion spring 49 as an elastic member ... Operation restricting member 50 ... Push button

Claims (4)

  In a key unit having a magnet key (22) capable of unlocking the magnet lock (20), the magnet key (22) protrudes from the case (23) into a portable case (23), A key unit, wherein the key unit is mounted so as to be operable between a storage position stored in the case (23).   A resilient member (48) for urging the magnet key (22) toward the protruding position, a restricting position for holding the magnet key (22) in the retracted position, and the retracted position of the magnet key (22) An operation restricting member (49) that is supported by the case (23) and is elastically biased toward the restricting position so that it can be operated between restriction release positions that allow operation from the protruding position to the protruding position. And a push button (50) disposed in the case (23) to enable the pushing operation to forcibly move the operation restricting member (49) to the restriction release position. The key unit according to claim 1.   The magnet key (22) unlocks the magnet lock (20) that holds the shutter plate (19) that opens and closes the key hole (18) of the cylinder lock (15) in the closed position. The key unit according to claim 1 or 2. The key unit according to claim 3 , wherein a mechanical key (24) for unlocking the cylinder lock (15) is fixed to the case (23) so as to protrude from the case (23). .