JP4556053B2 - Bicycle lock - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a bicycle lock provided with an oscillating scissors at one end of a U-shaped body, and relates to a bicycle lock characterized in that the locked state of the scissors can be held firmly.
[0002]
[Prior art]
Circle-type bicycle locks that can be mounted so as to straddle bicycle tires are generally formed in an arc shape with cylindrical openings at both ends of the body, and are also slidable in an arc-shaped bag It is designed so that it can be put in and out of the opening, but for example, a locking mechanism is provided as in Japanese Patent Application No. 2000-378539 entitled “Bicycle lock interlocking with the stand standing operation”. There is a U-shaped body with an oscillating scissors at one end.
[0003]
[Problems to be solved by the invention]
Bicycle locks with a swivel hook must be formed in a U-shaped groove by opening one side of the lock provided on the other end of the container to allow the tip of the hook to be inserted. It was. For this reason, there is a drawback in that the tip of the heel is exposed to the locking position and appears to be easy to unlock from the outside.
An object of the present invention is to eliminate the above-mentioned drawbacks, and to more firmly form a bicycle lock having a rocking-type hook at one end of the body to promote safe use. To do.
[0004]
[Means for Solving the Problems]
As means for solving the above-mentioned problems, the present invention is a bicycle lock that is integrally attached to a vehicle body, and includes a locking mechanism at one end of the body, and a rotating lever is fitted to a square shaft that protrudes from the inner end of the locking mechanism. Then, an oval shaft hole is fitted to the support shaft provided at the inner end of the lever, and an appropriately long rod that reaches the other end of the container body is attached coaxially so as to be swingable, and the rotation Provided between the lever and the hook is an interlocking mechanism that rotates both members together by engaging the eccentric shaft and the elongated hole, and a spring that constantly biases the hook in the unlocking direction. And rotating the rotary lever at a predetermined angle against the biasing spring, thereby displacing the rod to the locking position and then guiding it to the support shaft and the oval shaft hole to lock the locking position. Move the scissors displaced in the direction of Parts is fitted to and is intended to provide a bicycle lock which is configured to hold the 閂杆.
[0005]
In the bicycle lock of the present invention configured as described above, the hook that has been displaced to the locking position is advanced at the end of the turning for locking and is held in the locking part having an annular cross section. The tip of the bag is closed, and it is not visible from the outside, and the bicycle lock provided with the swing type bag can be prevented from being unreasonably unlocked.
[0006]
In addition, the rotary lever can be displaced into a locked state by rotating the key inserted into the locking mechanism, or an operating lever with the tip protruding outside the body can be extended to one side of the rotary lever. The invention of claim 2 in which the lever is displaced in the locked state by the rotation of the operation lever is limited to the case where the present invention is locked by being driven to stand up as in the prior application. It indicates that it can be used as a single bicycle lock.
[0007]
Claims wherein the end of the wire that reciprocally slides following the standing and falling of the stand is connected to the rotating lever provided in the bicycle lock so that the bag is displaced to the locked state when the stand is raised. The invention of 3 eliminates the drawbacks of the prior application and makes it possible to use a rocking-type bicycle lock interlocking with the undulation of the stand more safely and simply.
[0008]
5. A safety mechanism comprising a slope portion and a latching step portion is provided at an appropriate position of a base portion having a fulcrum shaft and a traction spring for the stand, etc., so as to latch the fall position of the stand. In the invention, when the bicycle lock of the present invention is interlocked with the undulation of the stand, the unlocked state when not in use is more safely maintained, so that the bag is displaced to the locked position due to vibration during traveling. It is designed to prevent unexpected situations such as this.
[0009]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
1 is a partially cutaway front view showing the first embodiment of the present invention together with its operation, FIG. 2 is an exploded perspective view of the second embodiment, and FIG. 3 is a partially cutaway front view of the unlocked state of the second embodiment. FIG. 4 is a partially cutaway front view showing the middle of locking of the second embodiment, FIG. 5 is a partially cutaway front view of the locked state of the second embodiment, and FIG. 6 is a partially cutaway enlarged elevation view of the locking mechanism portion. FIG. 7 is a partially cutaway perspective view showing a usage state of the second embodiment.
[0010]
Embodiments 1 and 2 shown in the drawings are those in the case where the oscillating type bicycle lock according to the present invention is adopted as a circle lock that is attached to the rear fork of the bicycle. The bicycle lock is not limited to the circle lock, and there may be a case where the main body with the locking mechanism and the bag attached thereto and the member having the locking portion are attached separately. Moreover, it can employ | adopt not only the lock for rear wheels but a front wheel lock.
[0011]
In the figure, reference numeral 1 is a hollow U-shaped body formed by combining a base member a and a cover member b formed separately as shown in FIG. 2, and 2 has a key hole 3 facing the top surface. A cylinder lock type locking mechanism 4 attached to one end (left side in the figure) of the container body 1 is a square shaft that protrudes from the inner end of the locking mechanism 2 and rotates integrally with the key 5 inserted into the key hole 3, A rotary lever 7 that is engaged with the square shaft 4 and rotates together with the square shaft 4 at the time of locking operation and unlocking operation is formed in an oval shape on a support shaft 8 that is integrally formed on the inner end (back surface) of the rotary lever 6. The shaft 10 fitted with the shaft hole 9 is swingably provided, and is composed of an eccentric shaft 10a suspended from the rotary lever 6 side and a long hole 10b provided on the shaft 7 side, and is coaxial with each other. The connecting mechanism 11 provided to rotate the provided rotating lever 6 and the eaves 7 integrally at all times, 7 always unlocking direction (counterclockwise) to a spring biasing.
[0012]
As described above, the flange 7 is provided so as to be swingable by fitting the oval shaft hole 9 to the support shaft 8 on the rotary lever 6 side, and on one side (left side in the figure) of the container body 1 when unlocked. Standing along, swinging with the rotation of the rotary lever 6 at the time of locking, protruding from the left inner side surface 1 ′ of the open body 1, and the locking portion provided at the other end of the body 1 with the tire in between It has a suitable length reaching 12.
[0013]
The locking portion 12 is composed of a groove-shaped portion 12a whose side surface is opened so as to receive the tip portion 7 'of the swinging ridge 7, and an annular portion 12b whose periphery is closed in a rectangular shape in the back. ing.
[0014]
In Example 1 shown in FIG. 1, the rod 7 is manually locked, and is extended from one side of the rotary lever 6 and protruded from the opening 13 provided on the side surface of the container 1. By rotating the operating lever 14 by a predetermined angle (θ1), the bar 7 standing at the imaginary line position (unlocked position) is displaced to the locking position indicated by the solid line.
At this operating angle position, the flange 7 fits the tip end portion 7 'into the groove 12a of the locking portion 12 or at the same time makes the axis of the oval shaft hole 15 substantially coincide with the direction of the locking portion 12. . Further, when the operation lever 14 is rotated in the forward direction by a predetermined angle (θ2), the flange 7 moves forward with the rotation of the connecting mechanism 10 composed of the eccentric shaft 10a and the long hole 10b, and the annular shape at the back of the locking portion 12 is obtained. The distal end portion 7 ′ is inserted into the portion 12b, and the locked state is completely maintained.
In the first embodiment, the shape of the operation lever 14 and the position attached to the container body 1 are not limited to the illustrated modes. For example, the operation lever 14 is operated by interposing a link motion with the rotation lever 6. In some cases, the design may be changed.
[0015]
Next, Example 2 shown in FIGS.
Example 2 is a case where the lock attached to the bicycle is interlocked with the ups and downs of the stand. In the figure, reference numeral 15 indicates that one end 15a is fixed to the lever portion 16 'of the stand 16 and the body 1 is inserted. The other end 15b is fixed to the rotary lever 6 and slides together with the undulation of the stand 16 to interlock the opening / closing operation of the rod 7.
[0016]
When the stand 16 is tilted horizontally as indicated by an imaginary line in FIG. 7 so that the bicycle 17 can run, the heel 7 is urged by the spring 11 as shown in FIG. Standing up and unlocked. When the bicycle 17 is stopped and the stand 16 is raised, the wire 15 is pulled by the rotation of the stand 16 and the rotary lever 6 and the rod 7 are rotated clockwise in the figure. When the rotation proceeds by approximately 80 °, the swinging collar 7 is fitted into the groove-shaped portion 12a of the locking portion 12 as shown in FIG. 4, and at the same time, the oval shaft hole 9 has its axis parallel to the locking direction. .
[0017]
Then, when the rotation of the rotary lever 6 continues by the rotation until the stand 16 reaches the standing position, the rod 7 is guided by the support shaft 8 and the oval shaft hole 9 as in the first embodiment. And the forward movement of the connecting mechanism 10 composed of the eccentric shaft 10a and the long hole 10b, and the distal end portion 7 'is fitted into the annular portion 12b of the locking portion 12 as shown in FIG. Kept in a state.
[0018]
As described above, in the second embodiment in which the heel 7 is interlocked with the standing of the stand 16, when the stand 15 is shaken and the wire 15 slides due to vibration or bounce while the bicycle 17 is running, the locking mechanism There is a risk that the rod 7 will swing against the urging force of the lock 2 and the spring 11, and the rod 7 may enter between the tires or be locked.
[0019]
In order to avoid such an unforeseen situation, as shown in FIG. 7, the present invention provides a slope portion on one side of a base portion 20 to which a fulcrum shaft 18 of the stand 16 and a traction spring 19 of the stand 16 are attached. When the safety mechanism 21 formed by the step 21a and the step portion 21b is attached and the stand 16 is tilted in the horizontal direction so that the bicycle 17 can run, the stand 16 is hooked on the step portion 21b. Inadvertent rocking of the rod 7 is prevented.
[0020]
In the unlocking of the first and second embodiments, in which the hook 7 is held in the locked state as described above, the lock of the locking mechanism 2 is released by engaging the key 5 with the keyhole 3, and the operation lever 14 or This is done by rotating the stand 16 in the opposite direction to the time of locking.
That is, in the first embodiment, the key 5 extracted at the time of locking is inserted into the keyhole 3, the lock of the locking mechanism 2 is released, and the urging spring 11 is urged while the operation lever 14 is moved from (θ2) ( The rotation is reversed to θ1), and the distal end portion 7 ′ of the flange 7 is removed from the locking portion 12, and then returned to the unlocked position. In the second embodiment, the stand 16 is tilted in the horizontal direction to release the pulling of the wire 15, and the tip 7 'of the heel 7 is slid to return the heel 7 as in the first embodiment. I do.
[0021]
The key 5 inserted into the keyhole 3 when the rod 7 is restored as described above can be removed so that it can be carried with a conventional bicycle lock using a cylinder lock. It is the same.
[0022]
In the first and second embodiments, the movable end 11a of the biasing spring 11 is received by the side of the eccentric shaft 10a, and the fixed end 11b is connected to the spring receiving portion 22 provided on the inner surface of the container 1. It is hanging.
Further, in the figure, reference numeral 23 denotes a state where the hook 7 is engaged with an engagement piece 24 that hangs down in a hook shape on the side surface of the flange 7 to guide the rotation of the flange 7 around the support shaft 8, and the flange 7 moves forward. Is a guide ridge that is disengaged and allows insertion into the locking portion 12.
[0023]
In the figure, reference numerals 25a and 25b denote mounting brackets for bicycle locks.
[0024]
In carrying out the present invention, the shape of the container 1, the shape of the rotary lever 6 and the flange 7, and the structure of the coupling mechanism 10 are not limited to the forms shown in the embodiments, and may be appropriately selected according to the gist of the present invention. Needless to say, the design can be changed.
[0025]
【The invention's effect】
According to the present invention configured as described above and used as described above, the locking state of the bicycle lock provided with the swing type hook is further strengthened, and the distal end portion is in the locking portion. It becomes blocked and is difficult to unlock. Therefore, the antitheft effect is improved, and the user can be provided with a sense of security.
[Brief description of the drawings]
FIG. 1 is a partially cutaway front view of Example 1. FIG. 2 is an exploded perspective view of Example 2. FIG. 3 is a partially cut away front view of Example 2. 4 is a partially cutaway front view of the second embodiment. FIG. 5 is a partially cutaway front view of the second embodiment. FIG. 6 is a partially cutaway enlarged side view of the lock mechanism portion. FIG. 7 is a partially cutaway perspective view showing a usage state of the second embodiment.
[Explanation of symbols]
1 container (a base member, b cover member, 1 'inside surface part)
2 Locking mechanism 3 Key hole 4 Square shaft 5 Key 6 Rotating lever 7 閂 杆 (7 'tip)
8 Support shaft 9 Oval shaft hole 10 Connection mechanism (10a eccentric shaft, 10b long hole)
11 Spring 12 Locking part (12a groove part, 12b annular part)
13 opening 14 operation lever 15 wire (15a one end, 15b other end)
16 stand (16 'lever part)
17 bicycle 18 fulcrum shaft 19 traction spring 20 base part 21 safety mechanism (21a slope part, 21b step part)
22 Spring receiver 23 Guide projection 24 Engagement piece 25a, 25b Mounting bracket

Claims (4)

A bicycle lock that is integrally attached to the vehicle body, provided with a locking mechanism at one end of the body, a rotation lever fitted to the angular shaft that protrudes from the inner end of the locking mechanism, and a support provided at the inner end of the lever An oval shaft hole is fitted to the shaft, and an appropriately long rod that reaches the other end of the vessel body is attached so as to be swingable on the same axis, and an eccentric shaft is interposed between the rotary lever and the rod. An interlocking mechanism that rotates both members together by engaging with the elongated hole is provided, and a spring that constantly biases the hook in the unlocking direction is provided, and the rotation is performed against the biasing spring. By rotating the lever to a predetermined angle, the hook is displaced to the locking position, and then the hook is moved to the locking position by being guided by the support shaft and the oval shaft hole. The tip is fitted into a ring-shaped locking part provided at the other end of the other end to hold the collar. Bicycle lock was. The rotating lever is moved in accordance with the rotation of the square shaft by a locking operation of a key inserted in the locking mechanism to displace the rod to the locking position, or has a tip on one side of the rotating lever. 2. The bicycle lock according to claim 1, further comprising an operating lever that is integrally protruded so as to be displaced to a locking position by rotation of the operating lever. The rotating lever is inserted into the body and is connected to a wire that slides in accordance with standing and falling of the stand, and the hook is displaced to a locking position with the standing of the stand. The bicycle lock according to claim 1. The stand is not used by the bicycle lock when the fall position is latched by a safety mechanism having a slope part and a latching step part formed at an appropriate position of a base part provided with a fulcrum shaft, a traction spring and the like of the stand. 4. The bicycle lock according to claim 3, wherein the unlocked state is sometimes maintained.

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