JP2016084627A - Key for portable lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate a need to form a screw hole with precision at an insertion rear edge part of a key body.SOLUTION: A key for a portable lock includes: a key body having a flange at an insertion rear edge part; a grip member having an insertion hole at a tip part for accommodating the insertion rear edge part and a fitting groove at a protruded part inside; a stopper member for the key body having a large-diameter hole and a small-diameter hole formed therethrough, the large-diameter hole being for accommodating the flange at the insertion rear edge part and a small-diameter hole continuing from the large-diameter hole and engaging with the flange at the insertion rear edge part, the stopper member including also a plate part on a first side that may be displaced while being fitted in the fitting groove and a plate part on a second side continuing from the plate part on the first side and having an engaging part; and a lock bolt engaged with the engaging part from an outer wall surface side of the grip member through the insertion hole. When pulling out the key body from the grip member, the lock bolt is removed from the grip member and the stopper member for the key body is slid to align the flange of the insertion rear edge part with the large-diameter hole.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a portable lock key that can lock and unlock a lock of a joinery.

An object of the invention of Patent Document 1 is to provide an unlocking key that does not rattle in a fixing portion with a key head portion of a key blade, and the solution means includes a key head portion 2 having a blade insertion hole 1 and The key blade 4 is inserted into the blade insertion hole 1 and has a screw hole 3 at the insertion tip, and is screwed into the screw hole 3 of the key blade 4 through the wall surface of the blade insertion hole 1. The screw insertion side wall surface of the blade insertion hole 1 is reduced to a width where the key blade 4 cannot pass through the interference projection 6, and the screw 5 is inserted into the interference projection 6. The key blade 4 is clamped by being screwed in (reference numeral is that of Patent Document 1).

  The problems of the invention described above are that screw holes for screws must be formed with high precision in both the rear end of the key blade (key body) and the tip of the key head (knob member). However, when the key blade rotates, the key blade cannot be easily fixed to the key head portion. The key blade fixed to the key head portion is limited, and it is impossible to enhance the prevention of disconnection because it is stopped only with a screw.

JP 2007-297775 A

  The first object of the present invention is that the screw hole does not need to be accurately formed in the rear end of the key body. Further, it is possible to enhance prevention of the key body from coming off. The second object is that the key blade can be easily and reliably locked even when the key blade rotates. The third object is preferably that the key blade can be attached and detached without dividing the knob member even in an embodiment in which the knob member (key head) can be divided in two. The other purpose is to remove the lock plate constituting a part of the knob member from the knob member, or to slide the lock plate, or to remove one cover body constituting the knob member from the other cover body, thereby Can be exchanged.

  The portable lock key of the present invention includes a key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, and a knob member having a fitting groove in the protruding portion inside. A large-diameter hole that receives the flange at the rear end of the insertion, and a small-diameter hole that is continuous with the large-diameter hole and engages the flange at the rear end of the insertion, and is fitted in the fitting groove. A key body retaining member comprising one plate portion that can be displaced and the other plate portion that is continuous with the one plate portion and has a locking portion, and a through hole from the outer wall surface side of the knob member When the key body is pulled out from the knob member, the lock bolt is removed from the knob member, and the key body retaining member is slid and inserted after the insertion. The flange at the end Wherein the fit in the hole.

  Further, the portable lock key of the present invention includes a key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, and a knob member having a fitting groove in the protruding portion inside. A large-diameter hole that receives the flange at the rear end of the insertion, and a small-diameter hole that is continuous with the large-diameter hole and engages the flange at the rear end of the insertion, and is fitted in the fitting groove A key body retaining member comprising one plate portion displaceable by the other plate portion and the other plate portion continuous with the one plate portion, and the key body retaining member connected to the flange at the rear end portion of the insertion. A biasing means that constantly biases the key body in the direction of stopping, and when the key body is pulled out of the knob member, the key body retaining member is slid against the biasing force of the biasing means to Align the flange at the rear end of the insertion with the large-diameter hole. It is characterized in.

  Further, the portable lock key of the present invention includes a key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, and a knob member having a fitting groove in the protruding portion inside. A large-diameter hole that receives the flange at the rear end of the insertion, and a small-diameter hole that is continuous with the large-diameter hole and engages the flange at the rear end of the insertion, and is fitted in the fitting groove A key body retaining member comprising one plate portion displaceable by the other plate portion and the other plate portion continuing to the one plate portion and having a locking portion, and provided on a part of the outer wall surface of the knob member. And a lock plate for the key body retaining member that has an engaging projection that engages with the locking portion, and when the key body is pulled out from the knob member, the lock plate is removed from the knob member. Remove the key body retaining member and the front To eliminate the locked state of the lock plate, further characterized in that to match the insertion rear end portion of the flange by sliding the retaining member for the key body in the large diameter hole.

  Further, the portable lock key of the present invention includes a key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, and a knob member having a fitting groove in the protruding portion inside. A large-diameter hole that receives the flange at the rear end of the insertion, and a small-diameter hole that is continuous with the large-diameter hole and engages the flange at the rear end of the insertion, and is fitted in the fitting groove A key body retaining member comprising one plate portion displaceable by the other plate portion and the other plate portion continuing to the one plate portion and having a locking portion, and provided on a part of the outer wall surface of the knob member. And a lock plate for the key body retaining member that has an engaging projection that engages with the locking portion, and when the key body is pulled out of the knob member, the lock plate is attached to the knob member. Slide to the rear end to remove the key body To eliminate the locked state between the locking member and the locking plate, further characterized in that to match the key flange of the insertion rear end portion of the retaining member is slid for the body to the large-diameter hole.

  Further, the portable lock key of the present invention comprises a first cover body and a second cover body integrally coupled to the first cover body and having an engaging projection on the inner wall surface, and a tip portion. A knob member having an insertion hole, a key body inserted into the knob member via the insertion hole and having a flange at a rear end portion of the insertion, and a flange at the rear end portion of the insertion member incorporated in the knob member. A large-diameter hole that accepts a large-diameter hole and a small-diameter hole that is continuous with the large-diameter hole and engages the flange at the rear end of the insertion, and is fitted in a fitting groove formed inside the knob member. A key body retaining member comprising one plate portion that is positionally displaceable and the other plate portion that is continuous with the one plate portion and has a locking portion that engages with the engaging protrusion. When the main body is pulled out from the knob member, the second The bar body is separated from the first cover body to release the engagement state between the locking portion and the engagement protrusion, and the key body retaining member is slid to slide the flange at the rear end of the insertion. Is adjusted to the large-diameter hole.

(A) In the invention described in the independent claim, since the rear end of the key body is locked by the locking hole of the key body retaining member, the screw hole is accurately formed in the rear end of the key body. You don't have to. Further, the key body cannot be easily removed from the knob member.
(B) According to the second aspect of the present invention, movement of the key body retaining member can be reliably prevented by the lock bolt.
(C) The invention described in claim 3 is preferably an embodiment in which the knob member can be divided into two parts by removing the lock bolt from the knob member, without dividing the knob member. The key blade can be removed.
(D) In the invention according to claim 4, the key body can be easily and reliably locked even when the key body rotates, and the key body retaining member has a bearing function. Can be made.
(E) In the invention according to claim 5, since the knob member is divided into two parts, if necessary, the second cover body is removed from the first cover body of the knob member and not only the key body but also the knob. The electronic component built in the member can be exchanged.
(F) In the seventh aspect of the present invention, even if the knob member (key head) can be divided into two, the key blade can be detached without dividing the knob member.
(G) In each of the inventions according to claims 8 to 10, one cover body that removes the lock plate constituting a part of the knob member from the knob member, slides the lock plate, or constitutes the knob member. By removing from the other cover body, the key blade can be exchanged.

1 to 14 are explanatory views showing a first embodiment of the present invention. FIG. 15 is a perspective view of the second embodiment. 16 to 20 are explanatory views showing a third embodiment of the present invention. FIG. 21 to FIG. 24 are explanatory views showing a fourth embodiment of the present invention. 25 to 28 are explanatory views showing a fifth embodiment of the present invention. Furthermore, FIG. 29 thru | or FIG. 31 is each explanatory drawing which shows 6th Embodiment of this invention.
The perspective view which shows the whole external appearance structure. Explanatory drawing from planar view which removed the 2nd cover body (upper cover body of FIG. 1) of the knob member from the 1st cover body. An exploded perspective view of the main part (only the rear end of the key body is inserted). Explanatory drawing from the planar view of a 1st cover body (The retaining member for key bodies, a lock bolt, etc. are not shown in figure). The perspective view of the principal part (The retaining member for key bodies, the rear-end part of a key body insertion, a lock bolt). Schematic explanatory drawing when inserting the rear end of the key body into the large-diameter hole of the key body retaining member (or when pulling out). Schematic explanatory drawing when the key body retaining member is displaced (for example, when the rear end of the key body is locked with a small diameter hole). Schematic explanatory drawing in the case of locking the key body retaining member with a lock bolt. FIG. 2 is an explanatory diagram when the lock bolt is removed in FIG. 1. In FIG. 1, the explanatory view which pulled out the key body from the knob member. The front view of a key body. Left side view of the key body. The schematic explanatory drawing which shows the positional relationship of the trigger member on the basis of the front view of a key main body, the key main body retaining member, an inner engagement body, an outer engagement body, a return spring, and a buffer spring. Exploded perspective view of main members (rear end of key body, trigger member, inner engagement body, spring receiving ring, return spring, outer engagement body, buffer spring, key body retaining member, lock bolt). The perspective view of the second embodiment (key body retaining member). The perspective view of 3rd Embodiment. Explanatory drawing from the planar view of a 1st cover body (a key main body retaining member and a biasing means are shown). FIG. 4 is an exploded perspective view similar to FIG. 3 (only the rear end of the key body is inserted). The perspective view of the principal part (The key member retaining member, the insertion rear end of the key body, and the biasing means). (A) The schematic explanatory drawing of the state which inserted the elongate operation tool in the insertion groove in the locked state. (B) The schematic explanatory drawing which pushed the key member retaining member for the main body with an elongated operation tool and unlocked it. The perspective view of 4th Embodiment. An exploded perspective view of the main part (only the rear end of the key body is inserted). The schematic explanatory drawing which removed the principal part (lock board). The schematic explanatory drawing of the locked state of the principal part (lock board). The perspective view of 5th Embodiment. An exploded perspective view of the main part (only the rear end of the key body is inserted). Schematic explanatory drawing which made the main part (lock plate) slide. The schematic explanatory drawing of the locked state of the principal part (lock board). The perspective view of 6th Embodiment. An exploded perspective view of the main part (only the rear end of the key body is inserted). The schematic explanatory drawing of the principal part (engagement state of a latching | locking part and an engagement protrusion).

(1) Overall Appearance Configuration FIG. 1 is a perspective view showing the overall appearance configuration of a portable lock key X. Hereinafter, the key for the lock is simply referred to as “key X”. In FIG. 1, reference numeral 1 denotes a knob member called a key head, and 2 denotes a bar-shaped key body that can be attached to and detached from the key head. Reference numeral 3 is a lock bolt, and 4 is a knob fixing member. The knob member 1 has a first cover body 1a having an insertion hole 5 at a substantially central portion of the tip portion, a through hole 6 for a lock bolt, and a second cover body having a circumferential end surface superimposed on the first cover body 1a. 1b, and a plurality of knob member fixing members 4 for connecting the second cover body 1b and the first cover body 1a via a plurality of screw holes 7,7. In the embodiment, the bar-shaped key body 2 is inserted into the insertion hole 5 of the knob member 1 via the trigger member 8 that is fitted outside the central portion of the bar-shaped key body 2. The through hole 6 has a female screw for preventing a lock bolt from being removed depending on the embodiment.

(2) Configuration of Key Body 2 Here, the configuration of the bar-shaped key body 2 will be described with reference to FIGS. 11 and 12. FIG. 11 is an explanatory diagram based on the front view of the key body 2, and FIG. 12 is a left side view of the key body 2. As shown in FIGS. 11 and 12, the key body 2 includes a rod-shaped tip 12 having a plurality of lateral grooves (for example, four) 16 and a plurality of types of key codes (for example, large and small recesses 16 a), and the rod-shaped tip 12. A large-diameter central portion 13 that is continuous with the large-diameter central portion, a rear-side rod-like rear end portion 14 that is based on the large-diameter central portion, and an insertion rear-end portion 15 that is continuous with the rod-like rear end portion 14. The rear end portion 15 is continuous with the peripheral body portion 15a having a shorter diameter than the rod-shaped rear end portion 14, the short diameter engaged portion 15b having a peripheral groove and continuing to the peripheral body portion 15a, and the engaged portion 15b. Flange 15c.

  The rod-shaped tip portion 12 is formed with a slightly smaller diameter warhead-like or fingertip-shaped key insertion auxiliary projection 12a continuously at the tip portion. In addition, although not particularly illustrated, the rod-shaped tip portion 12 is a solid rod-like body having an outline (meaning that a convex portion and a concave portion repeat in the axial direction) whose length of a longitudinal section along the axial direction changes depending on the position. Further, as shown in FIG. 1, the key insertion auxiliary projection 12a is an insertion portion having a radius smaller than that of the grip-like tip on the tip portion 12 side, and has substantially the same depth as the upper and lower diagonal outer surface portions. A lateral groove 16 is formed in the axial direction (see FIG. 12). In addition, the place which looks like the small ellipse shape shown in FIG. 1, FIG. 11 is the hollow 16a as a key code formed in the outer surface in the said horizontal groove 16, and the rod-shaped front-end | tip part 12 of embodiment is mentioned above other than the hollow 16a. An outline (meaning that the convex and concave portions repeat in the axial direction) can also be used as a key code.

  The large-diameter central portion 13 and the rod-shaped rear end portion 14 have protrusion portions 17 and 18 on the left and right and up and down, and the + -shaped protrusion portion 18 of the rod-shaped rear end portion 14 is an inner peripheral surface of an inner engagement body described later. Engage with the + shaped engaged part formed in Therefore, although the inner engagement body is movable in the axial direction, the + -shaped projection portion (engagement portion) 18 of the rod-like rear end portion 14 and the unnumbered + -shaped engaged portion are integrally engaged. Therefore, it rotates together with the key body 2.

(3) Configuration of the knob member 1 The knob member 1 includes a pair of plate-shaped or dish-shaped knob pieces 1a and 1b as shown in FIG. 3, for example. For example, the lower dish-shaped tab 1a corresponds to the first cover body 1a described above, and has an annular portion 20 that forms a circular insertion hole 5 at the center of the tip. Moreover, it has the frame-shaped protrusion-shaped part 21 which protrudes from a bottom wall surface inside a dish shape, and controls the rod-shaped rear end part 14 thru | or the insertion rear end part 15 of the key main body 2. The frame-like projecting portion 21 does not necessarily have a frame shape. In short, the projection with respect to the recesses 22 and 23 that regulate the rod-like rear end portion 14 to the insertion rear end portion 15 of the key body 2. If it is a part, the shape is not ask | required.

  Thus, large and small storage recesses 22 and 23 are provided inside the frame-like projecting portion 21, and these storage recesses 22 and 23 communicate with the circular insertion hole 5. In addition, a horizontally long fitting groove 24 communicates with the storage recess 22 in a direction orthogonal to the insertion rear end 15 of the key body 2 at the slightly wide rear end of the frame-like projecting portion 21. Further, preferably, a screw bolt hole 25 for a lock bolt is formed in a direction perpendicular to the rear portion of the fitting groove 24. In addition, a penetrating elongated hole 26 for a key holder is formed at the rear end portion of the lower dish-like tab (first cover body) 1a. In addition, a plurality of screwing cylinders 27 are provided in the vertical direction in the outer space of the frame-like projecting portion 21 and the internal space of the annular peripheral wall. 4 is screwed together.

  The upper knob 1b corresponds to the second cover body 1b described above, and has a plurality of screw holes 7, 7 on the front end side and a through hole 6 for the lock bolt 3 on the rear end side. Although not particularly illustrated, if the protruding portion 21 is “frame-shaped” with respect to the peripheral end portion of the knob 1a as in the embodiment, an electronic component such as a transporter can be incorporated in the knob 1. . Further, in the embodiment, the screw bolt hole 25 for the lock bolt is formed in the vicinity of the horizontally long fitting groove 24 of the frame-like protruding portion 21, but the structure that the lock bolt 3 is not easily removed from the through hole 6. If so (for example, locking of the lock bolt, tight fitting of the lock bolt), the screw hole 25 is not an essential requirement.

(4) Configuration of Key Body Retaining Member 31 FIG. 5 shows the key body retaining member 31, the insertion rear end 15 of the key body 2, and the lock bolt 3. The key body retaining member 31 of the embodiment has a bearing function and a function of attaching and detaching the key body 2. The key body retaining member 31 is hereinafter simply referred to as “a retaining member 31”. The retaining member 31 is formed in a shape having an angle by bending a central portion (including a portion close to the central portion) of a rectangular plate body to an angle, and one plate portion 31a corresponding to a vertical plate portion, It has the other board part 31b which continues in a horizontal state in the upper end part of the board part 31a.

  Thus, the one plate portion 31a is engaged with the large-diameter hole 32 for receiving the flange 15c of the insertion rear end portion 15 and the edge portion of the flange 15c of the insertion rear end portion 15 continuous with the large-diameter hole. A small-diameter hole 33 is formed. On the other hand, a semicircular locking portion 34 is cut out at the rear edge of the other plate portion 31b. One plate portion 31a of the retaining member 31 is shorter than the fitting groove 24 of the lower dish-like tab (first cover body) 1a, and is guided by the fitting groove 24. For example, the arrow A1 shown in FIG. Alternatively, the position can be selectively displaced in the direction of the arrow A2. In addition, when releasing the locking of the key body 2 with respect to the insertion rear end 15, the direction of the arrow A <b> 1, while when locking the insertion rear end 15, the insertion rear end 15 is formed with a large diameter. Slide in the direction of arrow A2 while being inserted into the hole 32. Therefore, the insertion / removal of the insertion rear end 15 of the key body 2 is selectively moved in the direction of arrow B1 or arrow B2 shown in FIG.

(5) Lock bolt 3
The lock bolt 3 is, for example, a male screw, and the head 3 a and the male screw portion are connected to the semicircular locking portion 34 of the retaining member 31 from the outer wall surface side of the second cover body 1 b of the knob member 1 through the through hole 6. While engaging with the screwing end portion side of 3b, the screwing start end portion side is screwed into the screwing hole 25 of the first cover body 1a of the knob member 1.

(6) When the key body is pulled out from the knob member When the key body 2 is pulled out from the knob member 1, the lock bolt 3 is removed from the knob member 1, and the key body retaining member 31 is slid to insert the rear end 15. The large-diameter hole 32 is aligned with the flange 15c (see FIGS. 5 and 6).

(7) When attaching the key body to the knob member When attaching the key body 2 to the knob member 1, the key body 2 is inserted into the knob member 1 through the insertion hole 5 from the flange 15c of the rear end 15 of the insertion, and the flange 15c. Is inserted into the large-diameter hole 32 of the retaining member 31, and in this state, the retaining member 31 is slid so that the inner peripheral surface of the flange 15c of the rear end portion 15 is aligned with the edge portion of the small-diameter hole 33. 3, the retaining member 31 is locked, and the lock bolt 3 is screwed into the screw hole 25 (see FIGS. 7 and 8).

(8) Overall Constituent Member of Key X FIGS. 13 and 14 show main members constituting the key X. FIG. The key X includes a knob member 1, a key body 2 that is pivotally supported by the knob member at a predetermined position so as to be rotatable in the left-right direction, a trigger member 8 that is externally fitted to the key body in an engaged state, and the trigger member An inner engagement body 41 that is externally fitted to the key body 2 so that the key body 2 can be pressed, an outer engagement body 50 that is fitted to the rear end portion 14 of the key body with a gap, and a tip A return spring 47 for the inner engagement body whose portion is pressed against the inner surface of the flange portion of the inner engagement body 41 via the spring end receiving ring 46, and whose rear end portion is pressed against the front surface of the outer engagement body 50; A plurality of buffer springs 52 for urging the rear surface of the outer engagement body 50, located behind the buffer springs 52, and pivotally supporting the insertion rear end 15 of the key body. In the knob member that can be displaced in the direction of locking the end 15 or the direction of unlocking A retaining member 31 and a lock bolt 3 that is screwed into either a through hole or a threaded portion of the knob member 1 so that the retaining member can be locked. When the key body 2 is inserted into a key hole (not shown) of the lock, the trigger member 8 and the inner engagement body 41 resist the spring force of the return spring 47 while the front end surface 8a of the trigger member 8 hits the periphery of the key hole. The knob member 1, the trigger member 8, and the key body 2 are rotated together under the condition that the inner engagement body 41 is engaged with the engagement hole 51 of the outer engagement body 50 in the clutch state. Connect together.

  The key X includes the trigger member 8, an inner engagement body 41 having a large and small cove-shaped engagement portion 42 from the rear end surface toward the front end surface, and a convex portion and a concave portion on the inner peripheral surface of the engagement hole 51. Since the outer engagement body 50 having the engagement portion and the return spring 47 for the inner engagement body 41 are provided, when the key is inserted, the engagement portion 42 of the inner engagement body 41 and the outer engagement body 50 and the engaged portion are used. When the phases of the engagement holes 51 are the same, the clutch member 1 does not rotate, and it is pushed in as it is so that a complete clutch state (a pattern in which the knob member 1 does not need to be rotated) is immediately obtained, and a key is inserted. Even when the clutch is in an incomplete clutch state (when a wide inlet portion of the engaged portion 42 of the inner engagement body 41 is engaged with a wide recess of the engagement hole 51 of the outer engagement body 50). Just turn the knob 1 slightly in either the left or right direction, It becomes possible to unlock (a pattern in which the knob 1 is slightly rotated in either the clockwise direction or the left-right direction), and more preferably, the engaging portion 42 and the engaged portion (both embodiments) of both 41 and 50 Then, in order to make the phases of the recesses and the recesses 51 of the engaging hole completely coincide with each other, the knob 1 is slightly turned to immediately complete the clutch state from the incomplete clutch state (third pattern). The key body can be rotated by pinching.

  Then, for example, after removing the lock bolt 3 from the outer wall surface side of the knob member 1 and removing the knob member fixing tool 4 to separate the second cover body 1b from the first cover body 1a, FIG. As shown, when the retaining member 31 is moved in the direction of the arrow A1, the key body can be pulled out from the large-diameter hole 32 of the retaining member 31. In the embodiment, even if the second cover body 1b is not separated from the first cover body 1a, that is, as shown in FIG. 9, when the lock bolt 3 is removed in FIG. By sliding linearly in the direction of unlocking the retaining member 31 from the outer wall surface side of the first second cover body 1b through the through-hole 6 and using a bar-shaped operation tool (not shown), the key The main body 2 can be pulled out in the direction of the arrow B1 shown in FIG.

(9) Second embodiment: retaining member 31A
FIG. 15 is a perspective view of a second embodiment of a preferred retaining member 31A. In the retaining member 31A, the engaging portion 34A formed on the other plate portion 31b is not semicircular but is substantially circular. Although not particularly illustrated, if slits with a fine interval are formed in the left and right portions of the circular locking portion 34A in the direction in which the key body 2 is removed, for example, the tip of a bar-shaped operation tool (not shown) is formed in the slit. By fitting, the retaining member 31 can be easily moved in the directions of arrows A1 and A2 shown in FIG.

(10) Cross-sectional shape of the rear end portion of the key body 2 A cross section orthogonal to the key axis of the engaged portion 15 having the circumferential groove of the insertion rear end portion 15 of the key body supported by the small diameter hole 33 of the retaining member 31. The shape is either a polygon or a substantially circular shape, and preferably, the key body 2 is rotatably supported by the retaining member 31. Of course, the key body 2 may be provided on the knob member 1 so as not to rotate.

(11) Third embodiment: Lock bolts and the like are not specified requirements FIGS. 16 to 20 are explanatory views showing a third embodiment of the present invention. In the description of the third embodiment, the same parts as those in the first embodiment are denoted by the same or similar reference numerals, and redundant descriptions are omitted.

  The third embodiment is mainly different from the first embodiment in that a projection recess of the first cover body 1a is provided with a storage recess 36 for the biasing means 35 communicating with the fitting groove 24. 1 A straight insertion groove 37 extending from an appropriate portion of the outer wall surface corresponding to the peripheral end of the cover body 1a to the fitting groove 24 is formed, as in the first embodiment, a lock bolt and a lock bolt penetration It does not have a hole, a threaded hole for a lock bolt, a locking bolt locking portion, or the like.

  Thus, the portable lock key X1 of the third embodiment includes a key body 2 having a flange at the insertion rear end, an insertion hole 5 for receiving the insertion rear end 14 at the tip, and a protruding portion inside. 21 is a knob member 1 having a fitting groove 24, a large-diameter hole 32 that receives the flange 15c of the insertion rear end portion 14, and a small-diameter hole that is continuous with the large-diameter hole and engages the flange 15c of the rear end portion of the insertion. 33, and a key body retaining portion 31 comprising one plate portion displaceable in a state of being fitted in the fitting groove 24 and the other plate portion continuous with the one plate portion. When the key body 2 is withdrawn from the knob member 1, the key body retaining member 31 is always provided with a biasing means 35 that biases the key body retaining member 31 in the direction in which the flange 15 c of the rear end portion 14 is locked. The key body retaining member 31 Slide against the biasing force of the biasing means 35 matching the flanges 15c of the insertion rear end portion 14 to the large diameter hole 32.

  In the embodiment, the knob member 1 can be disassembled. However, when the key body 2 is pulled out from the knob member 1 without disassembling the knob member 1, that is, the key body retaining member is positioned. In the case of displacement, as shown in FIG. 20 (a), the elongated operation tool 38 is inserted into the streak-shaped insertion groove 37, and as shown in FIG. 20 (b), the key body retaining member 31 is urged. By sliding against the urging force of the means (for example, compression coil spring) 35, the large diameter hole 32 is fitted to the flange 15 c of the rear end portion 14 of the insertion. Then, the key body 2 is moved in the arrow B1 direction shown in FIG.

(12) Fourth Embodiment: A Removable Lock Plate is Provided on the Knob Member FIGS. 21 to 24 are explanatory views showing a fourth embodiment of the present invention. In the description of the fourth embodiment, the same parts as those in the first embodiment are denoted by the same or similar reference numerals, and redundant descriptions are omitted.

  The main difference between the portable lock key X2 of the fourth embodiment and that of the first embodiment is that the lock bolt 3 of the first embodiment is replaced with a lock plate 3A. The lock plate 3A constitutes a part of the outer wall surface of the second cover body 1b. The lock plate 3A is detachably fitted in a relatively large fitting hole 9 formed in the substantially central portion of the second cover body 1b. On the inner wall surface of the lock plate 3A, a short engagement projection 3b corresponding to the male screw portion of the lock bolt 3 of the first embodiment is provided. The coupling projection 3b is integrated with the inner wall surface of the lock plate 3A, for example. The second cover body 1b integrally formed with the lock plate 3A is fixed to the first cover body 1a via a plurality of fixing tools 4, or the second cover body 1b is the first one. The lock plate 3A is inserted into the cover body 1a in a state where the lock plate 3A is joined. When engaged with the hole 9 (in the case of two modes), the engagement protrusion 3b of the lock plate 3A is engaged with the engagement portion 34 of the key body retaining member 31 as shown in FIG. is there. In the fourth embodiment, since the lock plate 3A having the engagement protrusion 3b is a specific requirement, it is not necessary to form a through hole or the like in the second cover body 1b as in the first embodiment.

  Here, the configuration of the lock plate 3A and the fitting hole 9 will be described with reference to FIG. 23. Since the shape of the lock plate 3A is, for example, substantially circular, the shape of the fitting hole 9 is also substantially circular so as to correspond to it. Is formed. Therefore, when the shape of the lock plate 3A is a polygon, the shape of the fitting hole 9 is also a polygon. Further, the substantially circular lock plate 3A has a plurality of engagement bands 10 that can be elastically displaced through a plurality of notches at a peripheral end thereof, and the plurality of engagement bands 10 are in pressure contact with the fitting holes 9. Engage with. Furthermore, a small notch 11 is formed in the edge portion of the fitting hole 9 of the second cover body 1b so that the tip of a driver (not shown) enters.

  Therefore, the portable lock key X2 of the fourth embodiment includes a key body 2 having a flange 15c at the insertion rear end portion 15, an insertion hole 5 for receiving the insertion rear end portion at the front end portion, and a protruding shape inside. A knob member 1 having a fitting groove 24 in the portion 21, a large-diameter hole 32 that receives the flange at the rear end of the insertion, and a small-diameter hole 33 that is continuous with the large-diameter hole and engages the flange at the rear end of the insertion. And a key body composed of one plate portion 31a that is displaceable in a state of being fitted in the fitting groove and the other plate portion 31b that is continuous with the one plate portion and has a locking portion 34. A lock plate 3A for the key body retaining member 31 having a retaining member 31 and an engaging projection 3b which is provided on a part of the outer wall surface of the knob member 1 and engages with the engaging portion 34. The key body 2 is provided with the knob portion. 1 to remove the lock plate 3A from the knob member 1 to release the lock state between the key body retaining member 31 and the lock plate 3A, and the key body retaining member 31 is removed. By sliding, the flange 15c of the rear end portion 15 of the insertion is matched with the large-diameter hole 32.

(13) Fifth Embodiment: A slidable lock plate is provided on the knob member FIGS. 25 to 28 are explanatory views showing a fifth embodiment of the present invention. In the description of the fifth embodiment, the same parts as those in the first embodiment are denoted by the same or similar reference numerals, and redundant descriptions are omitted. Moreover, the same code | symbol is attached | subjected to the component (lock plate 3B) the same as that of the principal part (lock plate 3A) of 4th Embodiment, or similar.

  The main difference between the portable lock key X3 of the fifth embodiment and that of the first embodiment is that the lock bolt 3 of the first embodiment is changed to a lock plate 3B. The cover plate 1B is provided in a relatively large notch-shaped fitting hole 9 formed substantially at the center of the cover body 1b so as to be slidable (may be detachable). A point constituting a part of the outer wall surface of the cover body 1b, and a vertical plate-like engagement with the inner surface of the slide horizontal plate 3a (corresponding to the head 3a of the lock bolt 3 of the first embodiment) of the lock plate 3B The protrusion 3b (corresponding to the male screw portion 3b of the lock bolt 3 of the first embodiment) is provided, and the second cover body 1b integrally having the lock plate 3B is connected to the second cover body 1b via a plurality of fixing tools 4. When fixed to one cover body 1a, or the second cover body 1b When the lock plate 3B is slid in the closing direction (the front end portion side of the first cover body 1a) in the state of being combined with the first cover body 1a, the front ends of the vertical plate-like engagement protrusions 3b of the lock plate 3B As shown in FIG. 28, the portion engages with the locking portion 34 of the key body retaining member 31.

  As in the fourth embodiment, the fifth embodiment also has a specific requirement for the lock plate 3B having the engaging protrusion 3b. Therefore, as in the first embodiment, a through hole or the like is formed in the second cover body 1b. There is no need to do. Since the lock plate 3B is slidable linearly, the shape of the notch-shaped fitting hole 9 is a rectangular notch corresponding to the shape of the lock plate 3B. Preferably, a pair of streak guide rails 9a, 9a are formed in the horizontal direction at the left and right opposing edge portions forming the notch-shaped fitting hole 9, while the left and right ends of the slide horizontal plate 3a of the lock plate 3B. Guide protrusions 3c and 3c that are engaged with the pair of streak-shaped guide rails 9a and 9a in a press-contact state are formed on the portion.

  Therefore, the portable lock key X3 of the fifth embodiment includes a key body 2 having a flange 15c at the insertion rear end 15, an insertion hole 5 for receiving the insertion rear end at the front end, and a protruding shape inside. A knob member 1 having a fitting groove 24 in the portion 21, a large-diameter hole 32 that receives the flange at the rear end of the insertion, and a small-diameter hole 33 that is continuous with the large-diameter hole and engages the flange at the rear end of the insertion. And a key body composed of one plate portion 31a that is displaceable in a state of being fitted in the fitting groove and the other plate portion 31b that is continuous with the one plate portion and has a locking portion 34. A lock plate 3B for the key body retaining member provided on a part of the outer wall surface of the knob member 1 and having an engaging projection 3b that engages with the engaging portion 34; The key body 2 includes the knob member 1 When pulling out, the lock plate 3B is slid to the rear end side of the knob member 1 to release the lock state between the key body retaining member 31 and the lock plate 3B. The retaining member 31 is slid so that the flange 15c of the insertion rear end portion 15 is aligned with the large-diameter hole 32.

(14) Sixth Embodiment: An engagement projection is provided on the inner surface of one cover body. Furthermore, FIGS. 29 to 31 are explanatory views showing a sixth embodiment of the present invention. In the description of the sixth embodiment, the same parts as those in the first embodiment are denoted by the same or similar reference numerals, and redundant descriptions are omitted.

  The portable lock key X4 of the sixth embodiment is mainly different from that of the first embodiment in that an engagement protrusion (corresponding to the lock bolt 3 of the first embodiment) 3b is provided on the inner wall surface of the second cover body. It is provided. Therefore, the portable lock key X4 is coupled to the first cover body 1a and the first cover body through the fixing tool 4, and the second cover body 1b having the engaging protrusion 3b on the inner wall surface. And a key body 2 that is inserted into the knob member through the insertion hole 5 and has a flange 15c at the rear end portion 15 of insertion. A large-diameter hole 32 which is incorporated in the member 1 and receives the flange 15c of the rear end portion 15 of insertion, and a small-diameter hole 33 which is continuous with the large-diameter hole and engages the flange of the rear end portion of insertion; One plate portion 31a that is displaceable in a state of being fitted in a fitting groove 24 formed inside the knob member 1, and a latch that is continuous with the one plate portion and engages with the engagement protrusion 3b. From the other plate portion 31b having the portion 34 When the key body 2 is pulled out from the knob member 1, the second cover body 1b is separated from the first cover body 1a and the locking portion 34 is provided. The engagement state with the engagement protrusion 3b is canceled, and the key body retaining member 31 is further slid so that the flange 15c of the insertion rear end portion 15 is aligned with the large-diameter hole 32. .

  INDUSTRIAL APPLICABILITY The present invention can be used as a portable lock key that can lock / unlock a joinery.

X, X1, X2, X3, X4 ... portable lock keys,
1 ... Picking member,
2 ... Key body,
3 ... Rock bolt,
3A, 3B ... Lock plate,
3b ... engaging protrusion,
4 ... Fastener,
5 ... insertion hole, 6 ... through hole,
8 ... Trigger member,
9 ... fitting hole,
10 ... a plurality of engagement bands,
14 ... the rear end of the key,
15 ... rear end of insertion, 15c ... flange,
21 ... protruding portion,
24 ... fitting groove,
25 ... screw holes,
31 ... Retaining member for key body,
32 ... Large diameter hole,
33 ... small diameter hole,
35 ... biasing means,
36. Storage recess for biasing means,
37 ... Straight insertion groove,
31a ... one plate part, 31b ... the other plate part,
34, 34A: locking portion.

Claims (10)

A key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, a knob member having a fitting groove in the inner protruding portion, and a large portion for receiving the flange at the rear end portion of the insertion. One plate portion and one of the plate portions, which are formed continuously with the diameter hole and the large-diameter hole, and are displaceable in a state of being fitted in the fitting groove, are formed. And a lock bolt that engages with the locking portion from the outer wall surface side of the knob member through a through hole. With
When pulling out the key body from the knob member, the lock bolt is removed from the knob member, the key body retaining member is slid, and the flange at the rear end of the insertion is aligned with the large-diameter hole. A portable lock key. 2. When attaching the key body to the knob member according to claim 1, the flange is inserted into the knob member through the insertion hole from the flange at the rear end of the key body, and the flange is inserted into the large-diameter hole of the key body retaining member. In this state, slide the key body retaining member to align the inner peripheral surface of the flange at the rear end of the insertion with the edge of the small-diameter hole, and lock the key body retaining member with the lock bolt. A portable lock key characterized by: 3. The key body retaining member according to claim 1, wherein when the key body retaining member is displaced, the lock bolt is removed from the knob member from the outer wall surface side of the knob member through the through hole and in a bar shape. A portable lock key, wherein the key body retaining member is linearly slid using an operation tool. 2. The key body according to claim 1, wherein a cross-sectional shape perpendicular to the key axis direction of the rear end portion of the key body supported by the small diameter hole of the key body retaining member is either a polygon or a substantially circular shape. Is a portable lock key that is rotatably supported by the key body retaining member. 2. The knob according to claim 1, wherein the knob member includes the first cover body having the insertion hole and the protruding portion protruding from the bottom wall surface, and the through-hole and the peripheral end surface overlapping the first cover body. A portable lock key comprising: a second cover body to be joined; and a fixing member for integrally joining the second cover body and the first cover body. A key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, a knob member having a fitting groove in the inner protruding portion, and a large portion for receiving the flange at the rear end portion of the insertion. One plate portion and one of the plate portions, which are formed continuously with the diameter hole and the large-diameter hole, and are displaceable in a state of being fitted in the fitting groove, are formed. A key body retaining member comprising the other plate portion continuous with the plate portion, and a biasing means for constantly urging the key body retaining member in a direction in which the flange at the rear end of the insertion is locked. And when pulling out the key body from the knob member, the key body retaining member is slid against the urging force of the urging means, and the flange at the rear end of the insertion is made into the large-diameter hole. A portable lock key characterized by matching 7. The insertion member according to claim 6, wherein the knob member is formed with a streak-like insertion groove extending from the outer wall surface to the fitting groove. When the key body retaining member is displaced, a long and narrow operation tool is provided in the insertion groove. A portable lock key characterized by inserting and sliding a key body retaining member against the urging force of the urging means to fit the large-diameter hole in the flange at the rear end of the insertion. A key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, a knob member having a fitting groove in the inner protruding portion, and a large portion for receiving the flange at the rear end portion of the insertion. One plate portion and one of the plate portions, which are formed continuously with the diameter hole and the large-diameter hole, and are displaceable in a state of being fitted in the fitting groove, are formed. A retaining member for the key body comprising the other plate portion that is continuous with the other plate portion and has a locking portion, and a member that is provided on a part of the outer wall surface of the knob member and that engages with the locking portion. A lock plate for the key body retaining member having a protrusion, and when the key body is pulled out of the knob member, the key plate retaining member and the lock are removed by removing the lock plate from the knob member; Eliminates lock with plate 3A Further, the portable lock for key, characterized in that to match the flange of the key body for retaining said insert rear portion by sliding the member into the large diameter hole. A key body having a flange at the rear end portion of the insertion, an insertion hole for receiving the rear end portion of the insertion at the front end portion, a knob member having a fitting groove in the inner protruding portion, and a large portion for receiving the flange at the rear end portion of the insertion. One plate portion and one of the plate portions, which are formed continuously with the diameter hole and the large-diameter hole, and are displaceable in a state of being fitted in the fitting groove, are formed. A retaining member for the key body comprising the other plate portion that is continuous with the other plate portion and has a locking portion, and a member that is provided on a part of the outer wall surface of the knob member and that engages with the locking portion. A lock plate for the key body retaining member having a mating protrusion, and when the key body is pulled out from the knob member, the lock plate is slid toward the rear end side of the knob member for the key body Lock between the retaining member and the lock plate Eliminating the condition, further, the portable lock for key, characterized in that to match the flange of the key body for retaining member the insertion rear end portion is slid into the large diameter hole. A knob member which is composed of a first cover body and a second cover body which is integrally coupled to the first cover body and has an engaging projection on the inner wall surface, and which has an insertion hole at the tip, and A key body inserted through the insertion hole and having a flange at the rear end of the insertion, a large diameter hole incorporated in the knob member and receiving the flange at the rear end of the insertion, and continuous to the large diameter hole. A small-diameter hole for locking the flange at the rear end of the insertion, and one plate portion that can be displaced in a state of being fitted in a fitting groove formed inside the knob member and the one plate A key body retaining member that includes a second plate portion that is continuous with the engaging projection and engages with the engaging protrusion, and when the key body is pulled out from the knob member, 2 Separate the cover body from the first cover body. The engagement state between the engagement portion and the engagement protrusion is eliminated, and the key body retaining member is slid to fit the flange at the rear end of the insertion to the large-diameter hole. Portable lock key.

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