JP2556632Y2 - Locking device - Google Patents

Description

[Detailed description of the invention]

[0001]

INVENTION The present invention relates to a locking device having a locking rod Ru used for preventing primarily motorcycle theft was parked outdoors like.

[0002]

2. Description of the Related Art Conventionally, as a locking device having a U-shaped locking rod, there is known a locking device shown in FIG. 6 of Japanese Utility Model Laid-Open No. 1-112273. As shown in FIGS. 3 and 4 of Japanese Utility Model Application Laid-Open No. 1-112273, this locking device is inserted into an insertion hole of a cylinder lock body,
The locking portion at both ends of the U-shaped locking rod to be locked has a locking step, and the locking portion of the hollow cylinder having a semicircular cross section is rotated in the groove of the locking step. It is something that fits.

[0003]

However, in the conventional locking device, the locking portion to be fitted into the groove of the locking step portion is
It is fitted from one side of the groove of the locking step and is cantilevered in the insertion hole of the cylinder lock. For this reason, if a strong force is applied in the direction in which the locking rod of the U-shaped lock is pulled out of the cylinder lock body, the locking portion is likely to bend, and the locking rod may come off the cylinder lock body, preventing theft. There is a point that the locking device that performs locking lacks strength.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problem, and the locking rod is not easily disengaged from the cylinder lock body even if a strong force is applied in a direction in which the locking rod is pulled out of the cylinder lock body. It is to provide a device.

[0005]

Means for Solving the Problems In order to solve such problems, the present invention has the following configuration as means for solving the problems. In other words, the locking rod, et al provided on the locking rod
In locking device locking portion has a Cie Linda lock body is locked engages which, together with the pre-Symbol locking portion provided insertable insertion hole in the cylinder lock body, a smaller diameter than the insertion hole It said cylinder so as to intersect the central hole and before Ki挿 in hole
Provided the lock body, the axis of the substantially rectangular cross section of the bar in the central bore
While rotatably inserted, before Symbol locking unit, before Kibozai
Can pass from the short side of the substantially rectangular cross section , and is substantially rectangular
And not capable inlet channel passes from the long side of the cross-section, communicating with the inlet groove, the configuration of the locking device, characterized in that said rod is provided with a pivotable locking hole is it.

[0006]

The locking portion provided on the locking rod is inserted into the insertion hole of the cylinder lock body. At this time, the rod material is almost rectangular
It is inserted from the short side of the cross section into the entrance groove of the engaging portion, and further inserted into the engaging hole communicating with the entrance groove . And the bar is pivoted in engagement stop holes and the central hole, the long sides of the substantially rectangular cross section inlet channel
If you state facing, bars will not be removed from the inlet groove of the locking portion, the locking portion is locked in the insertion hole.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the locking device 1 includes a U-shaped locking rod 3 and a rod-shaped cylinder lock body 5 that is locked by locking the locking rod 3.

The cylinder lock main body 5 locks and locks the U-shaped locking rod 3. This cylinder lock 5
As shown in FIGS. 2 and 3, a metal shaft 7 is covered with a cover 9 made of synthetic resin. In the cylinder lock body 5, insertion holes 11, 12 into which locking portions 40, 41 at both ends of a U-shaped locking rod 3 to be described later are inserted are formed at right angles in the longitudinal direction at the same intervals as the locking portions 40, 41. Two are drilled. In the cylinder lock body 5, an insertion hole 1 is provided.
Central holes 14a and 14b are provided so as to be smaller in diameter than the holes 1 and 12 and perpendicular to the insertion holes 11 and 12. This central hole 1
4a, the inside 14b, a rectangular cross-section of the bar 16 is inserted into axial rotation allowed <br/> ability, one end portion 16a, the axis of the rod 16
It is connected to a cylinder 18 to be rotated .

The cylinder section 18 inserts the key 20 and rotates the key 20 to pivot the connected bar 16 around the axis.
It is something to turn . The cylinder portion 18 is provided with a rotor case 22 fixed to the shaft portion 7 and a first rotor 24, and a rotatable second rotatably connected to the rod 16 inside the rotor case 22.
The rotor 26 is fitted. The first rotor 24 and the second rotor 26 are formed in a columnar shape, and have seven holes 28a, 28 (not shown) arranged in a circle at the same interval.
b is open. Although the first rotor 24 does not penetrate through the holes 28a and 28b as shown in FIG.
6. The first pin 30 and the second pin 32 are inserted into the holes 28a, 28b and the like while being pressed in the direction of the key 20 by the force of the spring 34. Therefore, when the key 20 is not inserted, the first pin 30 is in the first rotor 24 and the second rotor 26, and the second rotor 26 cannot rotate. 2 pin 3
2 is pushed out by the tip of the key 20 and the first pin 3
0, the contact surface of the second pin 32 coincides with the contact surface of the first rotor 24 and the second rotor 26, and the second rotor 26 rotates. Then, the rotational force of the second rotor 26 is transmitted to the bar 16 through the rotor guide 36, and the bar 16 rotates in the axial direction .

Next, the U-shaped locking rod 3 is inserted into the space between the spokes of the wheels of a motorcycle (not shown) and then locked to the cylinder lock body 5 described above. As shown in FIG. 4, the U-shaped locking rod 3 has locking portions 40 and 41 at both ends which are locked to the cylinder lock body 5, respectively.
Is provided. Each of the locking portions 40 and 41 has, at its end, an inlet groove 4 having a width slightly larger than that of the short side 16a into which the bar 16 can be inserted from the short side 16a.
3, 44 are provided. And this entrance groove 43,
Locking holes 46 and 47 are provided closer to the center than 44 so as to communicate with the inlet grooves 43 and 44 and allow the rod 16 to rotate axially .

The operation of the locking device 1 configured as described above will be described. For example, when locking the locking device 1 of this embodiment between the spokes of the wheels of a motorcycle, the cylinder lock main body 5 is unlocked by the key 20 as shown in FIG. At this time, the long side 16 d of the bar 16 is parallel to the depth direction of the insertion holes 11 and 12. Then, the U-shaped locking rod 3 is inserted between spokes of a motorcycle (not shown) or the like, and the locking portions 40 and 41 are inserted into the insertion holes 11 and 12 of the cylinder lock body 5. At this time, the bar 16 is
It is inserted from the entrance grooves 43 and 44 of the holes 0 and 41 to the inside of the locking holes 46 and 47. For locking, when the key 20 locked to the cylinder portion 18 of the cylinder lock body 5 is rotated, the rod 16 is locked in the locking holes 46 and 47 and the center holes 14a and 14b.
The shaft rotates, as shown in FIG. 3 in the locking holes 46 and 47,
The long side 16d side of the bar 16 becomes a right angle in the depth direction of the insertion holes 11 and 12, and the bar 16 locks the locking portions 40 and 41. At this time, the locking portions 40 and 41 are in a two-sided state where they are locked into the insertion holes 11 and 12 by the rods 16 protruding from both sides. When the key 20 is removed in such a state, the wheels of the motorcycle are locked by the locking device 1.

In order to unlock, the key 20 is inserted into the cylinder portion 18 of the cylinder lock body 5 in a locked state, and the key 20 is rotated so that the bar 16 is inserted in the depth direction of the insertion holes 11 and 12. By rotating the shaft so that the long side 16d is parallel to the side and applying a force in a direction in which the locking rod 3 is pulled out from the cylinder lock body 5, the bar 16 comes off from the locking portions 40 and 41, and the locking rod 3 is moved. Separate from the cylinder lock body 5.

Therefore, in the locking device 1 of the present embodiment, the locking portions 40 and 41 of the locking rod 3 are locked in the insertion holes 11 and 12 in a double-supported state, so that the locking rod 3 is A strong force is applied in the direction of coming out of the main body 5 and the rod 16
Even if the rod 16 is bent, as long as the bar 16 is not broken,
Cannot be pulled out, and is very useful as the anti-theft locking device 1. Further, the central hole 14a of this embodiment,
14b may have a diameter that allows the rod 16 having a rectangular cross section to rotate axially , and does not require a diameter that is large enough to rotate the locking portion of a conventional hollow cylinder having a semicircular cross section. The holes 14a and 14b can be made thinner, and there is also an effect that the cylindrical main body 5 becomes stronger against external impact.

[0014]

As described above in detail, in the present invention, since the locking portion of the locking rod is locked by the rod material in the insertion hole of the cylinder lock in a double-ended state, the direction in which the locking rod is pulled out. Even if a strong force is applied, the locking rod cannot be pulled out of the cylinder lock body unless the bar is broken, which is extremely useful for theft prevention.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment showing a locking device.

FIG. 2 is a cross-sectional view of the locking device of the embodiment when unlocked.

FIG. 3 is a cross-sectional view of the locking device when locking.

FIG. 4 is a perspective view of a locking rod of the locking device.

[Explanation of symbols]

1 ... locking device, 3 ... locking rod, 5 ... cylinder lock body,
11, 12: insertion hole, 14: center hole, 16: bar, 4
0, 41 ... locking part, 43, 44 ... entrance groove, 46, 47 ...
Lock hole

Claims (1)

(57) [Scope of request for utility model registration] And 1. A locking rod, provided on the locking rod
In locking device locking portion has a Cie Linda lock body is locked engaged with the front Symbol locking portion insertable insertion hole in the cylinder lock body
Provided with, as to intersect the front Ki挿 in hole the diameter of the central hole from the insertion hole
Provided in the cylinder lock body, it is inserted a substantially rectangular cross section of the bar to be pivoted within said central bore, before Symbol locking portion from front Kibozai is the short side of the substantially rectangular cross-section
It can pass through, and a non-available inlet channel passing from the long side of the substantially rectangular cross-section, communicating with the inlet groove, locking device, characterized in that said rod is provided with a pivotable locking hole .