JP2006124954A - Side bar type cylinder lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a side bar type cylinder lock incapable of drawing a tongue out even if strong impact is applied. <P>SOLUTION: The side bar type cylinder lock is equipped with a lock body 2 and the tongue 3 detachable to the lock body 2, the lock body 2 includes a movable member storage chamber 601 storing a movable member 8 in a movable manner, a rotor storage chamber 603 storing a rotor 9 in a rotatable manner and a tongue insertion section 602 continued to the movable member storage chamber 601, at the same time, the movable member storage chamber 8 has an engaging projection section 13 engaged with the tongue 3 and a pressure section 802, and in the side bar type cylinder lock for the rotor 9 to have a lever 903 pressurizing the pressure section 802, the engaging projection section 13 has an interlocking surface section 1303 interlocked with the edge section of an engaging hole 301 in the tongue 3 and, at the same time, a recessed section 1301 fitting the front end section of the engaging hole 301 of the tongue is formed in the interlocking surface section 1303. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a sidebar-type cylinder lock attached to a bag or the like, and more particularly to a sidebar-type cylinder lock that does not come off even when an impact or the like is applied.

  Conventionally, when attaching a lock to a fastener portion such as a bag, it is common to use a sidebar type cylinder lock (hereinafter referred to as “sidebar type cylinder lock”).

  The sidebar cylinder lock will be described with reference to the drawings. FIG. 4 is an external perspective view for explaining the sidebar cylinder lock. In the figure, reference numeral 1 denotes a sidebar type cylinder lock. The sidebar type cylinder lock 1 includes a lock body 2 attached to a main body such as a bag and a bill 3 that can be engaged with and disengaged from the lock body 2. As shown in the figure, the leaflet 3 is attached to a knob portion 4 of a fastener in a hook or the like.

  Here, FIG. 5 is a side sectional view for explaining the structure of the lock body 2, and the lock body 2 includes a case 5 including a case body 6 and a bottom lid 7 attached to the case body 6. A movable member 8 is movably disposed in the case body 6 and a rotor 9 is rotatably inserted therein.

  That is, the case body is disassembled and the case body 6 is formed with a movable member accommodating chamber 601 for accommodating the movable member 8 and an arrangement adjacent to the movable member accommodating chamber 601 in FIG. And a rotor accommodating chamber 603 having an opening at the top, the movable member 8 is movably accommodated in the movable member accommodating chamber 601, and the rotor 9 is rotatable in the rotor accommodating chamber 603. Is housed in. The case main body 6 is formed with a bill insertion portion 602 that is continuous with the movable member housing chamber 602 and communicates with the outside of the case main body 6 for inserting the bill 3 into the lock main body 6. A pin 10 is erected in the movable member accommodating chamber 601, and a spring 11 having a length longer than the pin 10 by a predetermined length is loosely fitted to the pin 10. In the figure, reference numeral 604 denotes a locking groove in which a side bar 902 provided in the rotor 9 is locked.

  Next, the movable member will be described. FIG. 6 is a perspective view showing the movable member 8, (A) is a perspective view shown from the upper surface side, and (B) is a perspective view shown from the lower surface. . A spring insertion hole 801 is formed on the upper surface side of the movable member 8, that is, the insertion side to the case body 6, and a part of the spring 11 and a part of the pin 10 are inserted into the spring insertion hole 801. In this arrangement, the movable member 8 is accommodated in the movable member accommodating chamber 601. As a result, the movable member 8 is made movable to the upper side of the case body 6 while being urged toward the bottom lid 7 by the spring 11.

  On the other hand, on the lower surface side of the movable member 8, an engaging projection 12 having a substantially right side triangular shape is formed, and the flyer 3 can be engaged with the engaging projection 12. In other words, the engaging protrusion 12 has a slope portion 1201 and an engagement surface portion 1202, and the movable member 8 is placed in the movable member storage chamber 601 in such an arrangement that the slope portion 1201 is on the side of the filler insertion portion 602. Is housed inside. Therefore, when the flyer 3 is inserted from within the flyer insertion part 602, the flyer 3 presses the movable member 8 toward the back side of the case body 6 while sliding on the slope part 1201, that is, the flyer 3 is inserted. As the movable member 8 moves upward, the movable member 8 returns to the initial position by the urging force of the spring 11 when the engagement hole 301 of the leafer 3 engages with the engagement protrusion 12. As a result, the flyer 3 cannot be removed.

  Further, a tapered pressing portion 802 is formed on the lower surface of the movable member 8 via a partition wall 804, and this pressing is performed by a pressing lever 903 provided on the rotor 9 by rotating a rotor 9 described later. By pressing the portion 802, the movable member 8 is movable upward.

  Next, the rotor 9 will be described with reference to FIG. 8. The rotor 9 has a structure similar to that of a rotor generally used for a cylinder lock, and has a key plate insertion hole 901, and this key plate insertion. A tumbler (not shown) that retracts by inserting a key plate into the hole 901 is provided so as to protrude into the key plate insertion hole 901. Further, a side bar 902 is provided on the outer peripheral side so as to be retractable toward the rotor 9, and the side bar 902 is prevented from retracting toward the rotor 9 when the key plate is not inserted. By moving the tumbler by inserting, the retreat to the rotor 9 side becomes possible.

  Further, a pressing lever 903 for pressing the movable member 8 is further projected on the outer periphery of the rotor 9, and the movable member 8 is pushed upward by rotating the rotor 9, thereby The engagement with the engagement protrusion 12 can be released. That is, as described above, a tapered pressing portion 802 is formed on the side of the engaging protrusion 12 on the side opposite to the filler insertion portion, and the pressing lever 903 has a substantially horizontal state in the pressing portion 802. The housing is accommodated in the case body 5 so as to contact the lowermost part 803. Therefore, in a normal state, the movable member 8 is urged downward by the spring 11, whereby the front end portion of the engagement protrusion 12 is in contact with the bottom lid 7, but when the rotor 9 is rotated, The movable member 8 is pushed upward by the pressing lever 903, whereby the movable member 8 is completely retracted into the movable member accommodating chamber 601. Since the rotor 9 is similar to that conventionally used and is well known, detailed description thereof will be omitted.

  Next, an explanation will be given of the action of the sidebar type cylinder configured as described above. In the initial state shown in FIG. 5, when the flyer 3 is inserted into the case 5 from the flyer insertion portion 602, the flyer 3 is movable. When the member 8 is pushed upward, it moves into the case 5 and engages with the engagement protrusion 12 in the engagement hole 301 of the leafer 3, so that the movable member 8 returns to the bottom lid 7 side, and the leafer 3 is thereby removed. Disappear. FIG. 9 is a cross-sectional view showing the relationship between the movable member 8 and the flyer 3 in this state.

  In this state, when the key plate is inserted into the key plate insertion hole 901 and the rotor 9 is rotated, the movable member 8 is pushed upward by the pressing lever 903 provided in the rotor 9, and the movable member 8 is moved to the movable member accommodating chamber. The leafer 601 is retracted, whereby the leafer 3 can be pulled out.

  Thus, in the sidebar type cylinder lock, the blade is engaged with the lock body only by inserting the blade, and this engagement is performed unless the key plate is inserted into the key plate insertion hole and rotated. Since it is not released, it is generally used as a lock such as a bag as described above.

  However, in the conventional sidebar type cylinder lock, since the leafer 3 is locked to the lock body 2 only by engaging the engagement hole 301 of the leafer 3 with the engagement protrusion 12, the movable member 8 Since the movable member 8 moves easily when a strong impact is applied to the lock body, the movable member 8 moves between the engagement hole 301 and the engagement protrusion 12 of the blade 3. It has been pointed out that the engagement is released and the flyer can be pulled out.

  For example, when an impact is applied to the lock body with a hammer while adding a force in the pulling direction, the movable member 8 can be moved by the impact and the bill can be pulled out easily. It was possible to unlock it.

  Then, this invention makes it a subject to provide the sidebar type cylinder lock which cannot pull out a leaf even when a strong impact is applied.

The sidebar type cylinder lock of the present invention has a lock body and a blade that can be engaged with and disengaged from the lock body, and the lock body is continuous with the movable member accommodating chamber, the rotor accommodating chamber, and the movable portion accommodating chamber. And a movable member that is movably accommodated in the movable member accommodating chamber, and a rotor that is rotatably accommodated in the rotor accommodating chamber, and the movable member is engaged with the filler. In the sidebar type cylinder lock having a mating projection part and a pressing part, the rotor having a lever for pressing the pressing part,
The engaging protrusion has a locking surface portion to which an edge of an engaging hole in the leaf is locked, and a concave portion in which the tip of the leaf fits is formed on the locking surface portion. Yes.

  In the sidebar type cylinder lock of the present invention, the engaging surface portion where the edge portion of the engaging hole of the leaf is locked is formed with a recessed portion where the tip end portion of the engaging hole is fitted. The leafer cannot be pulled out only by moving the member, and therefore it is impossible to release the engagement between the leafer and the lock body even when a strong impact is applied.

  That is, in the sidebar type cylinder lock of the present invention, when the leaflet is inserted into the lock body, the tip end portion of the leafer is fitted into the recessed portion in the engagement projection portion. The movable member must be moved with the leafer advanced into the lock body. For this reason, it is not only possible to release the engagement between the flyer and the engaging projection by moving the movable member by applying a strong impact to the lock body, but also moving the movable member by applying a strong impact to the lock body. In such a case, the movable member is moved in a state in which the leafer is engaged, whereby the leafer is strongly fitted, and it becomes more difficult to pull out the leafer.

  The sidebar type cylinder lock of the present invention has a lock body and a bill that can be engaged with and disengaged from the lock body. The lock body closes the case body with the bottom open and the bottom of the case body. And a bottom lid.

  The case main body is formed continuously with the movable member accommodating chamber for movably accommodating the movable member, the rotor accommodating chamber for rotatably accommodating the rotor, and the movable member accommodating chamber, and communicated with the outside. It has a flyer insertion part.

  Further, the movable member has an engaging projection portion that engages with the leaf and a pressing portion, and the rotor includes a lever that presses the pressing portion formed on the engaging projection portion.

  The engaging protrusion has a locking surface portion to which an edge portion of the engaging hole in the leaf is locked, and the locking surface portion has a recessed portion in which the tip of the leaf fits. .

  Here, the movable member is supported by a spring, and the movable member may be urged downward by the spring, thereby making the movable member movable without using a complicated structure.

  In the following, an embodiment of the sidebar cylinder of the present invention will be described with reference to the drawings. This embodiment is characterized by the structure of the engaging projection that engages with the flyer, and the other parts are the conventional ones described above. Since it is the same as that of the sidebar type cylinder lock, the same reference numerals are given to the same parts as those of the conventional sidebar type cylinder lock.

  That is, the sidebar type cylinder lock of the present embodiment is provided with a lock body 2 attached to a main body such as a bag and a bill 3 that can be engaged with and disengaged from the lock body 2. And a case 5 having a bottom lid 7 attached to the case body 6.

  Here, FIG. 1 is a side sectional view of a lock main body 2 constituting the side bar type cylinder lock of the present embodiment. A case 5 having a bottom lid 7 attached to the case main body 6 is provided. A movable member accommodating chamber 601 in which the movable member 8 is movably accommodated in the case main body 6 and the rotor 9 are rotatable. And a blade insertion portion 602 that is communicated with the outside and is formed continuously with the movable member accommodation chamber 601. Further, a pin 10 is erected in the movable member accommodating chamber 601, and a spring 11 having a length longer than the pin 10 by a predetermined length is loosely fitted to the pin 10.

  The rotor 9 has a key plate insertion hole 901 as in the case of a rotor generally used for a cylinder lock, and a tumbler retracted by inserting a key plate into the key plate insertion hole 901 is a key. It is provided so as to protrude into the plate insertion hole 901 (not shown), and a side bar 902 is provided on the outer peripheral side so as to be retractable to the rotor 9 side. By inserting a key plate and moving the tumbler The side bar 902 can be retracted to the rotor 9 side. A pressing lever 903 for pressing the movable member 13 upward in the case body protrudes from the outer periphery of the rotor 9.

  Next, the movable member 8 will be described. In the movable member 8 in this embodiment, a spring insertion hole 801 is formed on the upper surface side in the same manner as the conventional movable member 8 described above (see FIG. 6). With the arrangement in which a part of the spring 11 and a part of the pin 10 are inserted into the insertion hole 801, the movable member 8 is accommodated in the movable member accommodating chamber 601, whereby the movable member 8 is While being urged toward the bottom lid 7, the case body 6 is movable upward.

  Here, FIG. 2 is a perspective view showing the movable member 8 from the bottom side. On the lower surface side of the movable member 8 in this embodiment, there is formed an engaging projection 13 for engaging the flyer 3. The engaging projection 13 is formed with a recess 1301 into which the tip of the leafer 3 is fitted.

  That is, the engaging protrusion 13 includes a sliding surface portion 1302 on which the biller 3 inserted from the billet insertion portion 602 slides and an engaging surface portion 1303 on which the tip end portion of the engaging hole 301 of the biller 3 is locked. The engaging surface portion 1303 is formed with a recessed portion 1301 into which the tip of the leafer 3 is fitted. The sliding surface portion 1302 has a substantially curved shape capable of pushing up the movable member 8 while the upper surface of the leafer 3 slides, and the tip end portion of the sliding surface portion 1302 extends upward. Thus, an engaging surface portion 1303 is formed, and a recessed portion 1301 into which the tip end of the flyer 3 can be fitted is formed in the engaging surface portion 1303.

  As described above, in this embodiment, since the recessed portion 1301 is formed in the engaging surface portion 1303 of the engaging protrusion 13, when the flyer 3 is inserted into the lock body 2, the tip end portion of the flyer 3 is Even when the movable member 8 is fitted in the recessed portion 1301 and the movable member 8 is moved upward, the leafer 3 cannot be pulled out. Therefore, according to this embodiment, it is difficult to unlock even when a strong impact is applied to the lock body 2.

  As in the conventional movable member described above, a tapered pressing portion 802 is formed on the lower surface of the movable member 8 on the side opposite to the filler insertion portion, and the pressing lever 903 provided in the rotor 9 includes: The movable member 8 can be pushed upward while sliding with the pressing portion 802.

  Next, the operation of the sidebar type cylinder lock of this embodiment configured as described above will be described. When the leafer 3 is inserted into the lock body 2 from the leafer insertion portion 602, the leafer 3 is engaged. The movable member 8 is pushed upward while sliding with the sliding surface portion 1302 of the protrusion 13. When the blade 3 is further pushed forward, the engagement protrusion 13 is engaged in the engagement hole 301 of the blade 3, whereby the movable member 8 returns to the lower side, that is, the position before the blade 3 is inserted. Thus, the leafer 3 is engaged with the engagement protrusion 13.

  In this state, when the leafer 3 is pulled slightly toward the front side, the tip of the leafer 3 is fitted into the recessed portion 1301, whereby the leafer 3 is completely engaged with the engagement protrusion 13. FIG. 3 is a cross-sectional view showing the relationship between the movable member 8 and the billa 3 in this state. In this state, the tip of the billa 3 is fitted in the recess 1301, and therefore the movable member 8. By simply pulling the leafer 3 while moving the lever upward, the engagement between the leafer 3 and the engaging protrusion 13 is not released. Therefore, in order to open the lock, the leafer 3 is once pushed into the lock body, thereby releasing the fitting between the tip portion of the leafer 3 and the recessed portion 1301, and the rotor 9 is rotated in that state. Then, as the rotor 9 rotates, the pressing lever 903 slides on the pressing portion 802 and pushes up the movable member 8, whereby the leafer 3 can be pulled out.

  As described above, in the sidebar type cylinder lock of this embodiment, the billet 3 cannot be pulled out unless the billet 3 is pushed once. Therefore, a strong impact is simply applied to the lock body 2 to move the movable member 8 upward. In this case, as the movable member 3 moves upward, the leafer 3 also moves upward in a state of being fitted in the recessed portion 1301, so that the engagement protrusion is not able to be pulled out. The engagement between the portion 13 and the flyer 3 becomes strong. Therefore, unlike the conventional sidebar type cylinder, it is possible to effectively prevent unauthorized unlocking by applying a strong impact to the lock body.

  Since the present invention can effectively prevent unlocking when a strong impact is applied to the lock body, the lock is used not only for a lock such as a bag but also for a place that can be locked by a leaflet such as a window, a sliding door, etc. Applicable in general.

It is sectional drawing for demonstrating the structure of the Example of the sidebar type cylinder of this invention. It is the perspective view which showed the movable member in the Example of the sidebar type cylinder of this invention from the lower surface. It is sectional drawing which shows the engagement relation of the movable member and side bar in the Example of the side bar type cylinder of this invention. It is a perspective view for demonstrating the conventional sidebar type cylinder lock. It is sectional drawing for demonstrating the structure of the conventional sidebar type cylinder lock. It is a perspective view for demonstrating the movable member in the conventional sidebar type cylinder lock. It is a perspective view for demonstrating the case in the conventional sidebar type cylinder lock. It is a perspective view for demonstrating the rotor in the conventional sidebar type cylinder lock. It is sectional drawing which shows the engagement relationship of the movable member and side bar in the conventional side bar type cylinder lock.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sidebar type cylinder lock 2 Lock | rock main body 3 Biller 4 Fastener knob part 5 Case 6 Case main body 601 Movable member accommodating chamber 602 Biller insertion part 603 Rotor accommodating chamber 604 Engagement groove where a side bar is latched 7 Bottom lid 8 Movable Member 801 Spring insertion hole 802 Press part 803 Lower part of the press part 804 Partition 9 Rotor 901 Key plate insertion hole 902 Side bar 903 Press lever 10 Pin 11 Spring 12 Engagement projection part 1201 Slope part 1202 Engagement surface part 13 Engagement projection part 1301 Concave portion 1302 Sliding surface portion 1303 Engaging surface portion

Claims (3)

It has a lock body (2) and a blade (3) that can be engaged with and disengaged from the lock body (2). The lock body (2) includes a movable member storage chamber (601), a rotor storage chamber (603), A filler insertion portion (602) continuous to the movable portion accommodating chamber (601), a movable member (8) movably accommodated in the movable member accommodating chamber (601), and a rotor accommodating chamber (603). The movable member (8) includes an engaging protrusion (13) and a pressing portion (802) with which the leafer (3) is engaged. The rotor (9) is a sidebar cylinder lock provided with a lever (903) for pressing the pressing portion (802).
The engaging projection (13) has a locking surface portion (1303) to which the edge of the engaging hole (301) in the leaf (3) is locked, and the locking surface portion (1303) has a leaf ( A sidebar cylinder lock characterized by forming a recess (1301) into which the tip of 3) is fitted.   It has a lock body (2) and a blade (3) that can be engaged with and disengaged from the lock body (2). The lock body (2) includes a movable member storage chamber (601), a rotor storage chamber (603), A filler insertion portion (602) continuous to the movable portion accommodating chamber (601), a movable member (8) movably accommodated in the movable member accommodating chamber (601), and a rotor accommodating chamber (603). The movable member (8) includes an engaging protrusion (13) and a pressing portion (802) with which the leafer (3) is engaged, and the rotor (9) rotatably accommodated. The rotor (9) is the engagement protrusion (13) in the sidebar type cylinder lock provided with a lever (903) for pressing the pressing portion (802), and the engagement hole (301) in the flyer (3). ) Has a locking surface portion (1303) to which the edge of the The locking face portion (1303), engagement projections used in the side bar type cylinder lock, characterized in that formed recess to the distal end portion of Vila (3) is fitted a (1301).   The sidebar cylinder lock according to claim 1, wherein the movable member (8) is supported by a spring (11), and the movable member (8) is urged downward by the spring (11). .

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