WO2012032893A1 - 錠装置 - Google Patents
錠装置 Download PDFInfo
- Publication number
- WO2012032893A1 WO2012032893A1 PCT/JP2011/068158 JP2011068158W WO2012032893A1 WO 2012032893 A1 WO2012032893 A1 WO 2012032893A1 JP 2011068158 W JP2011068158 W JP 2011068158W WO 2012032893 A1 WO2012032893 A1 WO 2012032893A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- key
- tumbler
- rotor
- insertion hole
- tumblers
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
- E05B29/0033—Cylinder locks and other locks with plate tumblers which are set by pushing the key in with floating plate tumblers, i.e. sliding or sliding and rotating in a plane
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0017—Key profiles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/14—Closures or guards for keyholes
- E05B17/18—Closures or guards for keyholes shaped as lids or slides
- E05B17/181—Closures or guards for keyholes shaped as lids or slides pivoting inwardly
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0017—Key profiles
- E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/7559—Cylinder type
- Y10T70/7588—Rotary plug
- Y10T70/7593—Sliding tumblers
- Y10T70/7599—Transverse of plug
Definitions
- the present invention relates to a locking device in which a non-reversible type key having a key mountain in which one side and the other side of both sides of a flat key have an asymmetrical shape is used.
- a lock device is disposed on a door panel together with a door lock mechanism, and a lock device is also disposed on a steering column, a fuel filler port portion, and the like.
- the key is shared between the plurality of lock devices.
- a key in which both sides of the key body are asymmetric with each other as described above may be used.
- the user needs to insert the key in the correct orientation into the key insertion hole of the locking device. That is, if the key is inserted in the wrong direction, there is a risk that the key will be deformed or damaged or the key rotor side may be damaged by forcibly turning it with the key inserted halfway through the key insertion hole (reversible type).
- a key having an asymmetric shape see Patent Document 1). Therefore, in order to solve such a problem, it is conceivable to introduce a reversible key having no restriction in the direction of inserting the key in the vehicle.
- the present invention has been made in view of the above problems, and its object is to prevent the deformation and breakage of the key and the key rotor without accompanying the replacement of the key, and to reduce the cost associated with the replacement of the lock device.
- An object of the present invention is to provide a locking device that can be reduced as much as possible.
- the locking device of the present invention uses a non-reversible type key in which one side and the other side of both sides of a key having a flat plate shape have an asymmetric key ring.
- a locking device comprising a key rotor accommodating portion and a rotor case having a tumbler engaging groove on a surface facing the key rotor accommodating portion, wherein the key rotor accommodating portion is rotatably accommodated in an axial direction.
- a key rotor having a key insertion hole extending radially and a tumbler-arranging groove extending in the radial direction, and a movably disposed in the tumbler-arranging groove, and urged by the urging means toward the outer peripheral side in the radial direction.
- the key ridge is in contact with the tumbler in the inserted state, and the key rotor is allowed to rotate by moving the tumbler into the tumbler arrangement groove, and the key rotor is configured to move the key rotor with respect to the key insertion hole.
- the distance from the central axis of the key to the abutment point of the key mountain with respect to the tumbler is set to be the same in the state where the key is inserted into the key insertion hole.
- the key is characterized in that it can be used reversibly.
- the distance from the central axis of the key to the contact point with the tumbler of the key mountain is set to be the same in the key rotor regardless of whether the insertion direction of the asymmetrical key is normal or reverse. For this reason, even if it is a non-reversible type key, there is no restriction in the direction in which the key is inserted into the key insertion hole, and if the key is inserted into the key insertion hole, the tumbler is moved into the tumbler arrangement groove by the key pile. Can do. Therefore, by applying the lock device having the above-described configuration, the problem of inserting the key in the wrong direction can be solved, and deformation of the key and the key rotor can be prevented.
- the lock device of the present invention since the lock device of the present invention has a configuration corresponding to the non-reversible type key, it can be used reversibly without exchanging the keys used so far. Therefore, for example, even in the case where the key is shared among a plurality of lock devices in a vehicle or the like, it is sufficient to replace only the desired lock device to be reversible, and it is not necessary to replace all the lock devices. Replacement costs can be reduced to the minimum necessary.
- 1a and 1b are groove portions
- 3 and 4 are key piles
- 10 is a lock device
- 11 is a rotor case
- 12 is a tumbler engagement groove
- 13 is a key rotor accommodating portion
- 14 is a key rotor
- 23 is a key insertion hole
- 30a, 30b is a guide portion
- 31a to 31c are tumbler arrangement grooves
- 32a to 32c are tumblers
- 33a to 33c are urging means
- K is a key
- O2 is a central axis
- Pa ′ to Pc ′ are contact points
- La Lc and La ′ to Lc ′ are distances
- P1 and P2 are pitches.
- the near side where the operator of the key K is located with respect to the lock device 10 is defined as the front side, and the opposite side is defined as the rear side.
- the locking device 10 is configured using, for example, a rotor case 11 incorporated in a lock body (none of which is shown) on the side of a vehicle steering column.
- the rotor case 11 has a substantially cylindrical shape as a whole, and an inner peripheral portion thereof is a key rotor accommodating portion 13.
- two tumbler engaging grooves 12 extending in the axial direction are formed in the key rotor accommodating portion 13 so as to face each other at intervals of 180 degrees.
- the key rotor accommodating portion 13 has a stepped shape by forming a front step portion 15 and a rear step portion 16 (see FIG. 2) for locking a key rotor 14 and the like, which will be described later, in the front-rear direction.
- the key rotor accommodating portion 13 is formed with a front side step portion 15 for accommodating and locking the flange 17 of the key rotor 14 located on the front side thereof, and behind the tumbler engaging groove 12.
- a rear side step portion 16 is formed for locking the stopper ring 18 at the position.
- a lock mechanism connected to the rear end portion (connecting portion 20) of the key rotor 14 is disposed behind the rotor case 11.
- the lock device 10 is incorporated in the lock body so as to be connected to the lock mechanism, and the engine is started by turning the ignition switch on and off in conjunction with the turning operation of the key rotor 14. ing.
- a key rotor 14 having a key insertion hole 23 is rotatably accommodated in the key rotor accommodating portion 13 of the rotor case 11.
- the key rotor 14 is made of a metal material, and includes a substantially cylindrical rotor body 25, a flange 17 formed at the front end portion of the rotor body 25, and a connecting portion 20 formed at the rear end portion of the rotor body 25. It has a unitary structure.
- the rotor body 25 is formed so that its outer peripheral surface is in sliding contact with the inner peripheral surface of the rotor case 11, and is accommodated in the rotor case 11 from the front side.
- the connecting portion 20 includes a pair of upper and lower protruding portions 21 and 22 that protrude rearward at the rear end surface of the rotor body 25.
- the flange 17 is formed so as to cover the front surface of the key rotor accommodating portion 13, and a cap 27 is attached to the front end portion thereof from the front side with a substantially rectangular plate-like shutter 26 disposed. Specifically, the cap 27 is formed with a key insertion port 28 communicating with the key insertion hole 23.
- a shutter accommodating recess 17a and a spring accommodating recess 17b are formed on the front side of the flange 17 so as to be recessed rearward.
- the shutter 26 is pivotally supported by the shutter housing recess 17a and is urged in a direction to close the key insertion port 28 by a torsion coil spring (not shown) housed in the spring housing recess 17b. 28 is configured to allow the insertion of the key K into 28.
- the key insertion hole 23 extends in the axial direction of the key rotor 14 (the direction of the rotation center axis O1 (see FIG. 2) of the key rotor 14 oriented in the front-rear direction) and is formed in a substantially rectangular shape that is vertically long when viewed from the front. ing.
- a pair of guide portions 30a and 30b projecting inward are formed on the inner peripheral portion of the key insertion hole 23 so as to extend along the rotation center axis O1 (see FIGS. 2 and 4A). ).
- the guide portions 30a and 30b have the same shape, and are formed at symmetrical positions (symmetric in this embodiment) in the inner peripheral portion of the key insertion hole 23 with the central axis O1 as the axis of symmetry.
- the guide portions 30a and 30b are inserted into the groove portions 1a and 1b (see FIGS. 3A to 3C) on both sides of the key K, which will be described later, and are fitted into one groove portion 1a when the key K is inserted into the key insertion hole 23.
- a plurality (for example, three) of tumbler arrangement grooves 31a to 31c penetrating in the radial direction are formed so as to form a row in the axial direction of the rotor body 25.
- These tumbler arrangement grooves 31 a to 31 c are formed in a rectangular shape when viewed from the radial direction (for example, the upper side in FIG. 1), and communicate with the key insertion hole 23.
- Tumblers 32a to 32c are movably arranged in the tumbler arrangement grooves 31a to 31c, respectively.
- the rotor body 25 is formed with counterbore portions for the spring members 33a to 33c shown in FIG. 1 corresponding to the respective tumbler arrangement grooves 31a to 31c.
- the tumblers 32a to 32c are urged radially outward from the tumbler arrangement grooves 31a to 31c by the spring members 33a to 33c as the urging means. In this way, as shown in FIG. 2, the outer peripheral portions of the tumblers 32a to 32c come out of the tumbler arrangement grooves 31a to 31c and engage with the tumbler engagement groove 12, thereby preventing the key rotor 14 from rotating. ing.
- the rotor body 25 is formed with a stopper arrangement groove 35 located behind the tumbler arrangement grooves 31a to 31c, and a stopper ring 18 having a substantially C-shape is movably arranged in the arrangement groove 35. Yes.
- the stopper ring 18 is urged outward in the radial direction by a spring member 36 accommodated and disposed at the lower end portion of the stopper arrangement groove 35.
- the key rotor 14 is locked so as not to move forward when the stopper ring 18 protruding from the stopper disposition groove 35 engages the rear step portion 16 of the key rotor accommodating portion 13.
- FIGS. 3A to 3C illustrate the key K of the lock device 10 of the present embodiment.
- a central axis O2 of the key K shown in the figure is a longitudinal center line coinciding with the central axis O1 of the key rotor 14 when the key K is inserted into the key insertion hole 23.
- the key K includes an insertion portion 2 as a key body having a flat plate shape, and a head portion (not shown) of an end portion (left side in FIGS. 3A and 3B).
- key piles 3 and 4 are formed in which one side portion and the other side portion are asymmetric with respect to the central axis O ⁇ b> 2.
- each of the key piles 3 and 4 is formed in a step shape that is depressed or protrudes in the width direction (direction orthogonal to the central axis O2). Further, in the key piles 3 and 4, there is no step in the thickness direction of the key K (the direction perpendicular to the paper surface of FIG. 3A), and the structure is relatively simple.
- the groove portions 1a and 1b extending in the longitudinal direction along the central axis O2 are provided in the plane-symmetrical positions on both surface portions 5 and 6 in the thickness direction of the insertion portion 2.
- the groove portions 1a and 1b are, for example, formed at the center portion in the width direction of the insertion portion 2, and one groove portion 1a is set to be narrower than the other groove portion 1b, and the guide portions 30a, 1b, Guided by any of 30b.
- the key K is used in a locking device (hereinafter referred to as a conventional locking device) different from the above-described locking device 10, and the key piles 3 and 4 are tumblers of the conventional locking device.
- Concave and convex shapes are formed so as to change the height of the position corresponding to.
- the key K is different from the so-called reversible key, and is a non-reversible type in which there is a restriction on the direction in which the key is inserted into the key insertion hole in the conventional locking device.
- the locking device 10 of the present embodiment enables the asymmetric key K to be used reversibly.
- Specific configurations of the key rotor 14 and the tumblers 32a to 32c for the reversible will be described in detail with reference to FIGS. 4A to 5B.
- the direction in which the key K is inserted with the one surface portion 5 facing the right side (see FIG. 4A), and the direction in which the key pile 3 contacts the tumblers 32a to 32c in the inserted state is defined as a first direction.
- the direction in which the other surface portion 6 of the key K is inserted to the right (see FIG. 5A) and the key pile 4 abuts on the tumblers 32a to 32c in the inserted state is defined as a second direction.
- the tumblers 32a to 32c are, for example, thin disk tumblers and all have the same size and shape.
- Each of the tumblers 32a to 32c has a hole portion 37 for inserting the key K, and an overhang portion 38 that engages with the corresponding spring member 33a to 33c.
- the tumblers 32a to 32c are arranged so that the positions of the overhang portions 38 (spring members 33a to 33c) are staggered between the adjacent tumblers 32a to 32c.
- FIG. 4B shows a state where the key K is inserted into the key insertion hole 23 in the first direction.
- the key rotor 14 is in the inserted state of the key K, and the distance La from the central axis O2 to the contact point Pa with respect to the tumbler 32a of the key pile 3 and the tumbler 32b of the key pile 3 from the central axis O2.
- the “distance” in the present embodiment is a direction orthogonal to the central axis O2, and coincides with the width direction of the key K (that is, the radial direction of the key rotor 14). Accordingly, the key pile 3 of the key K contacts the tumblers 32a to 32c having the same shape and moves the tumblers 32a to 32c to the tumbler arrangement grooves 31a to 31c, thereby allowing the key rotor 14 to rotate.
- FIG. 5B shows a state in which the key K is inserted into the key insertion hole 23 in the second direction.
- the formation positions of the tumbler arrangement grooves 31a to 31c in the axial direction of the key rotor 14 are from the central axis O2 to the contact points Pa to Pc and Pa ′ to Pc ′ with respect to the tumblers 32a to 32c in both the key ridge 3 and the key ridge 4.
- the distances L are set to match. Strictly, as shown in FIG. 5B, gaps Ga to Gc as play with respect to the tumblers 32a to 32c exist in each of the tumbler arrangement grooves 31a to 31c.
- the pitches P1 and P2 (see FIG. 4B) between the tumbler-arranged grooves 31a to 31c adjacent in the axial direction are varied according to the shape of the key ridges 3 and 4, and the insertion direction of the key K is the first.
- the tumblers 32a to 32c surely move into the tumbler arrangement grooves 31a to 31c in the inserted state. Accordingly, the key pile 3 on the one side and the key pile 4 on the other side adopt different key K shapes, but the tumbler that makes contact with the key pile 3 in the first direction and the key pile 4 in the second direction.
- the tumbler is composed of the same tumblers 32a to 32c.
- the key insertion hole 23 is formed at a symmetrical position where the pair of guide portions 30a and 30b can be accommodated in the groove portions 1a and 1b of the double-side portions 5 and 6 when the key K is inserted as described above.
- the key K is allowed to be inserted regardless of whether the key K is inserted in the first direction or the second direction. That is, in the conventional locking device, the direction in which the key K is inserted into the key insertion hole is limited to the first direction, which is a positive direction. However, in the locking device 10 of the present embodiment, the insertion direction of the key K is normal and reverse. In either case, the insertion is allowed and the insertion of the key K is guided by either one of the guide portions 30a and 30b.
- the tumblers 32a to 32c are arranged in the tumbler arrangement grooves 31a to 31c so as to be urged by the spring members 33a to 33c at the respective overhang portions 38.
- the stopper ring 18 is also placed in the stopper placement groove 35 together with the spring member 36.
- a shutter 26, a cap 27, and the like are assembled to the flange 17 of the key rotor 14 in advance.
- the key rotor 14 is accommodated in the rotor case 11 from the front side in a state where the tumblers 32a to 32c and the stopper ring 18 are pushed in so as to be flush with the outer peripheral surface of the key rotor 14.
- the stopper ring 18 comes out and engages with the rear stepped portion 16, and the tumblers 32a to 32c are connected to the tumbler engaging groove 12 side (the lower side in FIG. 2). ) And engage. Since the lock device 10 assembled in this way has a shutter 26 structure in the cap 27 portion, it is difficult for rainwater or dust to enter the inside.
- the above assembly is performed, for example, when a previous locking device in the lock body is replaced with a new locking device 10.
- a previous locking device in the lock body is replaced with a new locking device 10.
- only the key rotor 14 side may be replaced using a conventional rotor case, or the entire rotor case 11 may be replaced with a new key rotor 14.
- each of the tumblers 32a to 32c has, for example, a lower tumbler engagement groove from the tumbler arrangement grooves 31a to 31c. 12 is rotated to a position (so-called lock position) where it protrudes into the inside.
- the key K moves in the direction of the central axis O2 while being guided by the guide portion 30a in the groove portion 1a. 4B, the tumblers 32a to 32c are moved by the key pile 3 of the key K so as to be accommodated in the tumbler arranging grooves 31a to 31c against the urging force of the spring member.
- the key rotor 14 can be rotated, and the key rotor 14 is rotated together with the key K by the rotation operation of the key K.
- the engine can be started by rotating it to a so-called start position (not shown) by rotating it clockwise in front view.
- the key K is inserted into the key insertion hole 23 in the second direction even though the shape of the insertion portion 2 is asymmetric.
- the key K moves in the direction of the central axis O2 while being guided by the guide portion 30b in the groove portion 1a.
- the tumblers 32a to 32c are moved by the key pile 4 of the key K so as to be accommodated in the tumbler arranging grooves 31a to 31c against the urging force of the spring member. Therefore, by performing the rotation operation in this state, the engine can be started by rotating to the start position as in the case where the key K is inserted in the first direction.
- the key mountain 3 is inserted from the center axis O2 in the state in which the key K is inserted into the key insertion hole 23 regardless of whether the key K is inserted into the key insertion hole 23 in the normal direction.
- 4 to the contact points Pa to Pc, Pa ′ to Pc ′ with respect to the tumblers 32a to 32c, the distances La to Lc, La ′ to Lc ′ are set to the same L.
- the lock device 10 since the lock device 10 has a configuration corresponding to the key K having an asymmetric shape, it can be used reversibly without exchanging the key K used so far.
- a desired locking device (the locking device for the lock body portion of the steering column) to be reversible is replaced. It is sufficient, and it is not necessary to replace all the locking devices, so that the replacement cost can be reduced to the minimum necessary.
- a plurality of tumbler arrangement grooves 31a to 31c are formed in the axial direction of the key rotor 14, and a plurality of tumblers 32a to 32c are arranged corresponding to the plurality of tumbler arrangement grooves 31a to 31c, respectively.
- the same dimensional shape was formed. According to this, an inexpensive and simple configuration can be obtained, and an error in assembling the tumblers 32a to 32c to the tumbler arrangement grooves 31a to 31c can be eliminated, and workability can be improved.
- Three or more tumbler arranging grooves 31a to 31c are formed in the axial direction of the key rotor 14, and three or more tumblers 32a to 32c are arranged corresponding to the plurality of tumbler arranging grooves 31a to 31c, respectively.
- the positions of the plurality of tumbler arrangement grooves 31a to 31c in the direction are the distances La to Lc from the central axis O2 to the contact points Pa to Pc at the key 3 on one side, and the key 4 on the other side from the central axis O2.
- the pitches P1 and P2 between the tumbler arrangement grooves 31a to 31c adjacent in the axial direction are different.
- the tumblers 32a to 32c are inserted into the key insertion holes 23 regardless of whether the key K is inserted into the key insertion holes 23 in either the forward or reverse direction. It can be moved reliably.
- the key K can be used reversibly as described above, the key K cannot be inserted in the wrong direction and turned forcibly as in the conventional case, so that the strength (rigidity) of the key rotor 14 needs to be increased more than necessary. There is no. Therefore, the degree of freedom in design can be increased, for example, the pitch P2 can be relatively narrowed with reversibility.
- the pair of guide portions 30a and 30b are accommodated in the groove portions 1a and 1b on both sides of the key K and are symmetrical with respect to the central axis O2 in the inserted state of the key K in the inner peripheral portion of the key insertion hole 23. It is formed in a symmetrical position as an axis, and is configured to be fitted into at least one of the groove portions 1a and 1b of the key K to guide the insertion of the key K. According to this, in the asymmetrical key K, the insertion of the key K into the key insertion hole 23 is allowed and the insertion is ensured regardless of whether the key K is inserted in the key insertion hole 23 in either the forward or reverse direction. Can guide.
- a normally used asymmetrical key needs to be inserted in the correct orientation into the key insertion hole of the lock device as long as the shape of the key ring on one side and the key ring on the other side is different. Therefore, although different from the present embodiment, for a pair of asymmetrical keys (not shown) having the same shape, one key is set in the first direction and the other key is set in the second direction to overlap each other. A special key shape with one key is also assumed. However, when trying to introduce such special keys, the keys that have been used so far cannot be used, and all the locking devices in the vehicle must be replaced with ones corresponding to the new keys. There is a problem that the replacement cost becomes high.
- the first orientation and the second orientation have the same shape in the side view, and the key mountain shape and its positional relationship are the same in both the first orientation and the second orientation.
- the key K of the present embodiment has an asymmetric shape in which the side view (see FIGS. 4B and 5B) differs between the first direction and the second direction.
- the tumbler that abuts against the key pile 3 in the first direction and the second key pile 3 on one side and the key pile 4 on the other side have different key K shapes.
- the tumblers that contact the key pile 4 in the direction can be configured by the same tumblers 32a to 32c.
- the present invention is not limited to the above-described embodiment, and can be modified or expanded as follows.
- the lock device 10 of the present invention can be applied to a lock device in general that uses a key having an asymmetric key ring.
- the number of tumbler arrangement grooves and tumblers can be set as appropriate, such as setting them to 4 or more or less than 3.
- the shapes of the plurality of tumblers can be made different.
- the positions of the tumbler arrangement grooves in the axial direction of the key rotor are respectively set so that the distance to the contact point with respect to the same is the same. According to this, the pitch between the tumbler-arranged grooves adjacent in the axial direction can be arbitrarily set, and the key can be used reversibly as in the above embodiment.
- the shape of the tumbler is not limited to the above-described disk tumbler, but a pin hole that communicates with the key insertion hole and forms a row in the axial direction and uses a tumbler pin accommodated in the pin hole. It may be configured. That is, when configured using a tumbler pin, the distance from the central axis O2 to the abutment point of the key mountain with respect to the tumbler pin is the same in the inserted state of the key into the key insertion hole, regardless of whether the key is inserted in the forward or reverse direction. By setting to, the key can be used reversibly.
- the urging means may be composed of various springs other than the spring members 33a to 33c, and the position and shape of the guide portion can be appropriately changed according to the shape of the groove portion of the key.
Abstract
Description
そこで、このような問題を解消すべく、前記車両において、キーを差し込む向きに制約の無いリバーシブル型のキーを導入することが考えられる。
キーロータ収容部13は、後述するキーロータ14等を前後方向に係止するための前側段部15及び後側段部16(図2参照)が形成されることにより段付き状をなしている。詳細には、キーロータ収容部13には、その前部側に位置してキーロータ14のフランジ17を収容して係止するための前側段部15が形成されると共に、タンブラ係合溝12の後方に位置してストッパリング18を係止するための後側段部16が形成されている。
ロータ本体25は、その外周面がロータケース11の内周面と摺接するように形成されており、ロータケース11内に前側から収容されている。図2に示すように、連結部20は、ロータ本体25の後端面にて、後方へ突出する上下一対の突出部21,22から構成されている。
先ず、タンブラ配置溝31a~31cに、タンブラ32a~32cを夫々の張出し部38にてばね部材33a~33cにより付勢されるようにして配置する。ストッパ配置溝35にも、ストッパリング18をばね部材36と共に配置する。また、キーロータ14のフランジ17に、シャッタ26やキャップ27等を予め組み付けておく。そして、前記タンブラ32a~32c及びストッパリング18を、キーロータ14の外周面と面一になるように押し込んだ状態で、そのキーロータ14を、ロータケース11内に前側から収容する。これにより、キーロータ14は、図2に示すように、ストッパリング18が後側段部16側に出て係合すると共に、タンブラ32a~32cがタンブラ係合溝12側(図2中、下側)に出て係合する。こうして組み付けられた錠装置10は、キャップ27部分にシャッタ26構造を有することから、内部に雨水や埃などが浸入し難くなっている。
図2に示すように、施錠時において、キー挿入穴23に何も挿入されていない状態で、キーロータ14は、各タンブラ32a~32cがタンブラ配置溝31a~31cから例えば下側のタンブラ係合溝12内に突出した状態となる位置(所謂ロック位置)に回動されている。
これによれば、安価で簡単な構成にすることができると共に、タンブラ32a~32cのタンブラ配置溝31a~31cへの組み付けミスを無くし、作業性を向上させることができる。
これによれば、非対称形状のキーKにあって、キー挿入穴23に対するキーKの差し込み向きが正逆どちらでも、キーKのキー挿入穴23への挿入を許容し、且つその挿入を確実にガイドすることができる。
前記付勢手段は、ばね部材33a~33c以外の各種のばねで構成してもよいし、ガイド部の位置や形状も、キーの溝部の形状に応じて適宜変更することが可能である。
Claims (4)
- 平板状をなすキーの両側部における一方の側部と他方の側部とが非対称形状の鍵山を有する非リバーシブル型のキーが使用される錠装置であって、キーロータ収容部とこのキーロータ収容部に臨む面にタンブラ係合溝とを有するロータケースを用いて構成されるものにおいて、
前記キーロータ収容部に回動可能に収容され、軸方向に延びるキー挿入穴と径方向に延びるタンブラ配置溝とを有するキーロータと、
前記タンブラ配置溝に移動可能に配置され、且つ付勢手段により径方向の外周側へ付勢され、外周部が当該タンブラ配置溝から前記タンブラ係合溝側に出て係合することで前記キーロータの回動を阻止するタンブラとを備え、
前記キー挿入穴に前記キーが抜き差し可能に挿入され、その挿入状態で前記鍵山が前記タンブラに当接して当該タンブラを前記タンブラ配置溝内に移動させることで前記キーロータの回動を許容する構成にあって、
前記キーロータは、前記キー挿入穴に対する前記キーの差し込み向きが正逆どちらでも、前記キーの前記キー挿入穴への挿入状態で、前記キーの中心軸線から前記鍵山の前記タンブラに対する当接点までの距離を同じに設定して、前記非リバーシブル型のキーをリバーシブルに使用可能な構成としたことを特徴とする錠装置。 - 前記キーロータの軸方向に前記タンブラ配置溝を複数形成すると共に、これら複数のタンブラ配置溝に夫々対応して前記タンブラを複数配設し、
前記複数のタンブラを、互いに同一の寸法形状に形成したことを特徴とする請求項1記載の錠装置。 - 前記キーロータの軸方向に前記タンブラ配置溝を3つ以上形成すると共に、これら複数のタンブラ配置溝に夫々対応して前記タンブラを3つ以上配設し、
前記キーロータの軸方向における前記複数のタンブラ配置溝の形成位置は、前記中心軸線から一方の側部の鍵山における前記当接点までの距離と、前記中心軸線から他方の側部の鍵山における前記当接点までの距離とが同じになるように夫々設定されることで、軸方向に隣り合うタンブラ配置溝間のピッチが異なることを特徴とする請求項1または2記載の錠装置。 - 前記キーの両面には、当該キーの中心軸線に沿って延びる溝部が形成され、
前記キーロータの前記キー挿入穴に、少なくとも前記溝部の一方に嵌合してキーの挿入をガイドするための一対のガイド部を備え、
前記一対のガイド部は、前記キー挿入穴の内周部おいて、前記キーの前記キー挿入穴への挿入状態で当該キーの両面の溝部に収まり且つ当該キーの中心軸線を対称軸として対称位置に形成されていることを特徴とする請求項1~3の何れかに記載の錠装置。
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CN201180033006.3A CN103109028B (zh) | 2010-09-07 | 2011-08-09 | 锁装置 |
JP2012512156A JP5010060B2 (ja) | 2010-09-07 | 2011-08-09 | 錠装置 |
US13/807,997 US9181729B2 (en) | 2010-09-07 | 2011-08-09 | Lock kit and key rotor housed in rotor case |
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WO2012109376A1 (en) * | 2011-02-08 | 2012-08-16 | Dci Marketing, Inc. | Powered security display device |
WO2015114172A1 (de) * | 2014-02-03 | 2015-08-06 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | SCHLIEßZYLINDER FÜR EINE SCHLOSSVORRICHTUNG |
US9482036B2 (en) * | 2014-03-13 | 2016-11-01 | Ford Global Technologies, Llc | Self-draining keyed cylinder integrated into door trim |
US11149470B2 (en) * | 2018-02-21 | 2021-10-19 | Mark Thomas Markiewicz | Key rotor for use with manual key switches |
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US9181729B2 (en) | 2015-11-10 |
US20130145804A1 (en) | 2013-06-13 |
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