JP4461314B2 - Bicycle lock - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a box lock type bicycle lock, and by exposing a straight saddle to the upper surface of the case member, the case member is reduced in weight, and a bicycle lock having a new sense is formed. It is characterized by having made it.
[0002]
[Prior art]
As indicated by the name of the box-lock type bicycle lock, a box-shaped box whose four side surfaces and top surface are closed is used as a case member that penetrates and accommodates a straight saddle. For example, Japanese Utility Model Publication No. 3-5572, Japanese Utility Model Publication No. 5-31173, Japanese Utility Model Publication No. 54-77792.
[0003]
[Problems to be solved by the invention]
The lock of the above-mentioned prior application was designed to incorporate a large number of members in a box-shaped case member. However, there was a drawback that the value became almost constant.
[0004]
Thus, the problem to be solved by the present invention is to improve the case member, which is a drawback of the conventional box lock, to make it easier to assemble the box lock type bicycle lock and to renew the external shape. There is to do.
[0005]
[Means for Solving the Problems]
As a means for solving the above-mentioned problems, the present invention comprises a mounting bracket that is fixed to a fork together with the other mounting bracket that is attached to the back surface, with a hook holding piece having a hook insertion hole on the front surface. A spring with a case member that fits inside the mounting bracket and a set screw hole common to the mounting bracket at the front end. The receiving portion is erected, a locking cam groove is provided on the bottom surface, and a middle plate fitted in the case member and guide grooves provided on both side surfaces are fitted to the guide protrusions of the case member, with intervening restoring spring coil form between the spring receiving portion of the plate, and閂杆having slidably with respect to the case member, after the hollow-formed the閂杆open rear end face Locking mechanism mounted in the end and rotatable in the rear end of the heel Fits a square shaft that is mounted and protrudes to the inner end of the locking mechanism, and engages the guide pin mounted perpendicular to the axis with the locking cam groove of the intermediate plate to regulate the sliding stroke of the rod A bicycle lock comprising a rotating lever is provided.
[0006]
The lock of the present invention configured as described above is not present in this type of conventional lock because the half of the heel is exposed on the case member whose upper surface is open and slides during locking and unlocking. It is possible to obtain a bicycle lock that has an external appearance and has a new shape that attracts the attention of the user.
[0007]
The bicycle lock according to the present invention includes, for example, a mounting bracket, a case member, and a middle plate stacked in the same order from the bottom, and a restoring spring is placed on the middle plate using the open upper surface of the case member. By fitting the guide groove to the guide ridge from the rear, fitting a rod incorporating a rotation lever, guide pin, and locking mechanism in the rear end, and engaging the guide pin with the locking cam groove on the middle plate As a result, the assembly of the main part of the lock can be completed, and the number of assembling steps can be reduced as compared with the conventional box lock, and the assembling operation is simplified and facilitated.
As described above, the present invention reduces the cost of this type of bicycle lock.
[0008]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
1 is an exploded perspective view of the embodiment, FIG. 2 is a partially cutaway side view showing a locked state of the embodiment, and FIG. 3 is a side view showing an unlocked state.
[0009]
In the figure, reference numeral 1 stands between the other mounting bracket 25 that stands up with a hook holding piece 3 having a hook insertion hole 2 on the front face and is attached to the back face as indicated by an imaginary line in FIG. The mounting bracket 4 fixed with the bicycle hawk in between is bent inward at an appropriate width on both sides of the upper edge to form a pair of left and right guide ridges 5, and the upper surface is opened and the mounting bracket 1 is opened. The case member 6 to be fitted is fitted in the case member 4 by erecting a spring receiving portion 8 having a set screw hole 7 common to the mounting bracket 1 at the front end and providing a locking cam groove 9 on the bottom surface. It is an intermediate plate.
[0010]
10, guide grooves 11 provided on both side surfaces are fitted into the guide protrusions 5 of the case member 3, and a coil-shaped restoring spring 12 is interposed between the spring receiving portion 8 of the intermediate plate 6 and the case 10. A scissors 13 that are slidably attached to the member 3 are cylinder-locked locks that are installed in a rear end portion 14 of the scissors 10 that is open and has an end face (right end face) open. The mechanism 15 is rotatably mounted in the rear end portion 14 of the collar 10, and a guide pin 17 that is fitted perpendicularly to the axis is fitted with a square shaft 16 that projects from the inner end portion of the locking mechanism 13. This is a rotary lever that engages with the locking cam groove 9 of the intermediate plate 6 to restrict the sliding stroke of the flange 10.
In the figure, 15 ′ is a half-divided shaft formed at the front end of the rotary lever 15 so as to penetrate the guide pin 17, and 22 is a semicircular cover member provided so as to cover the shaft 15 ′.
[0011]
As shown in FIG. 1, this bicycle lock comprising the above-described parts has a case member 4 stacked on the mounting bracket 1 and a latching claw 18 at the rear end of the mounting bracket 1 is engaged with the upper surface. The member 4 is fixed. Next, the middle plate 6 is overlaid from above, the front end spring receiving portion 8 is attached to the flange holding portion 3 of the mounting bracket 1, and a set screw 19 is inserted into the set screw hole 7 provided in common to both the portions 3 and 8. The mounting bracket 1 and the case are fixed by screwing and fixing the front end portions to each other, and by hooking the protruding portions 20 provided on both sides of the rear end portion of the middle plate 6 to the notches 21 formed on the rear end edge of the mounting bracket 1. The three members of the member 3 and the intermediate plate 6 are integrated.
[0012]
Next, the restoring spring 12 is inserted into the front part of the case member 4 whose upper surface is open, and the front end (the left hand in the figure) is brought into contact with the spring receiving part 8 of the intermediate plate 6, while the hollow part is hollow as shown in FIG. In the rear end portion 14, the rotary lever 15 having the guide pin 17 and the semicircular cover member 22 mounted on the front end portion, and the flange 10 incorporating the locking mechanism 13 are inserted into the guide grooves 11 on both sides of the guide protrusion 11 on the case member side. It is slid onto the intermediate plate 6 while being engaged with the strip 5.
[0013]
When the collar 10 is mounted in the case member 4 as described above, the guide pin 17 inserted through the shaft 15 ′ of the rotation lever 15 and the locking cam groove 9 of the intermediate plate 6 are engaged, The urging force of the restoring spring 12 acts on the heel 10 side, and the heel 10 is retracted until the guide pin 17 reaches the rear end portion of the locking cam groove 9, and is held in the unlocked state as shown in FIG. The Note that the key 23 with the knob portion protruding out of the container is hooked in the key hole at this time, and cannot be removed.
[0014]
In this embodiment, a conventionally known cylinder locking mechanism is used as the locking mechanism 13, and the cylinder portion engaged with a tumbler (not shown) and connected to the tip of the angular shaft 16 enables rotation within the outer case main body. The case main body is fixed in the rear end portion of the flange 10 by protruding the keyhole on the end surface of the cylinder portion, and is prevented from coming off.
[0015]
When the hook 10 is slid to the left in the unlocked state shown in FIG. 3, the guide pin 17 advances, and when the key 23 is rotated while reaching the front end of the locking guide groove 11, the guide pin 17 is moved to the end. It is latched in the locking position formed in the back of the locking part 24 provided beside. Next, the operation of locking the bicycle lock is completed by removing the rotated key 23.
In the unlocking operation, the guide pin 17 is removed from the back of the locking portion 24 by inserting the key 23 and rotating in the reverse direction to the locking operation, and the guide pin 17 is urged together with the guide pin 17 by the bias of the restoring spring 12. Return to the unlocked position.
[0016]
This bicycle lock constructed as described above, as shown in the figure, shows the upper part from the guide groove 11 provided on the side surface of the bag 10 outside the body, and is different from the conventional box lock of this type in appearance. Since a big difference is produced, it becomes a shape that sufficiently attracts the attention of consumers.
[0017]
【The invention's effect】
According to the present invention configured as described above and used as described above, the assembly of each part is facilitated, and the cost of this type of bicycle lock can be reduced. In addition, there is an excellent effect that the appearance has a shape that attracts the attention of the consumer and the willingness to purchase is evoked.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of the embodiment. FIG. 2 is a partially cutaway side view showing a locked state. FIG. 3 is a side view showing an unlocked state.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Mounting bracket 2 Insertion hole 3 閂 杆 holding part 4 Case member 5 Guide protrusion 6 Middle plate 7 Set screw 8 Spring receiving part 9 Locking cam groove 10 カ ム 11 Guide groove 12 Restoring spring 13 Locking mechanism 14 Rear end part 15 Rotation Lever (15 'half shaft)
16 Square shaft 17 Guide pin 18 Locking claw 19 Set screw 20 Protruding part 21 Notch part 22 Cover member 23 Key 24 Locking part 25 The other mounting bracket

Claims (1)

Stand up a heel holding piece with a heel insertion hole on the front, and fix the mounting bracket to the fork together with the other mounting bracket attached to the back surface, open the front and back surfaces, and the top surface. A guide member that is bent inward, a case member that fits inside the mounting bracket, and a spring receiving portion that has a set screw hole common to the mounting bracket at the front end are raised, and a locking cam groove is formed on the bottom surface. The inner plate fitted in the case member and the guide grooves provided on both side surfaces are fitted to the guide protrusions of the case member, and a coil-shaped member is provided between the spring receiving portion of the middle plate. with intervening restoring spring, and閂杆having slidably with respect to the case member, and a locking mechanism mounted within the rear end portion of the閂杆which is hollow formed opening the rear end surface,閂杆A corner that is rotatably mounted in the rear end of the door and protrudes into the inner end of the locking mechanism The fitted bicycle lock with a guide pin mounted by perpendicular to the axis into engagement with the locking cam groove in said plate comprising a rotary lever for regulating the sliding stroke of the 閂杆.

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