JPH08142951A - Antitheft system - Google Patents

Abstract

PURPOSE: To provide an antitheft system which is simple in constitution, prevents each part of a motorcycle from being damaged, and is easy in handling. CONSTITUTION: An end part of rod-shaped bodies 1, 2 of the prescribed length is turnably connected to each other, a lock chain A consists of a plurality of rod-shaped bodies 1, 2, a locking part 10 is provided on the rod-shaped body 1 on the first stage of this lock chain A, a key part 11 is provided on the rod- shaped body 1 on the final stage, the lock chain A is stretched over wheels of the motorcycle and the motorcycle body, or a fixed structure, the key part 11 is locked to the locking part 10 to make it lockable, and the rod-shaped bodies 1,2 are covered with the soil material 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antitheft device for preventing a motorcycle or the like from being stolen.

[0002]

2. Description of the Related Art Various measures have been taken in order to prevent a motorcycle or the like from being stolen. For example, a handle is fixed by a locking device so that the steering wheel cannot turn to the left or right, or a wheel is attached to a vehicle body or a wire by a wire or the like. Some are fixed to fixed objects.

[0003]

By the way, a structure in which a wheel is fixed to a vehicle body or a fixed object by a wire or the like has a simple structure and is easy to handle, but the fixing wire is easily cut and stolen. There is. Therefore, instead of the wire, the ends of the rod-shaped bodies having a predetermined length are rotatably connected,
A lock chain is composed of a plurality of linked rod-shaped bodies,
A locking part is provided on the rod-shaped body at the first stage of this lock chain, a key part is provided on the rod-shaped body at the final stage, and the lock chain is bridged between the vehicle wheel and the vehicle body or a fixed object, and the key part is engaged with the locking part. It is conceivable to lock the motorcycle so that the motorcycle or the like cannot be stolen.

By the way, in this case, when the rod-shaped body of the lock chain comes into contact with each part of the motorcycle, the coating is likely to be peeled off or scratched. It is troublesome, time-consuming, and inconvenient to work without touching each part of the motorcycle.

The present invention has been made in view of the above circumstances, and an object thereof is to provide an antitheft device which has a simple structure and which prevents each part of a motorcycle from being damaged and is easy to handle. .

[0006]

In order to solve the above-mentioned problems, the present invention according to claim 1 rotatably connects end portions of rod-shaped bodies having a predetermined length, and a plurality of the rod-shaped bodies connected to each other. A lock chain is configured by, a lock portion is provided on the rod-shaped body at the first stage of the lock chain, a key portion is provided on the rod-shaped body at the final stage, and the lock chain is hung over the vehicle wheel and the vehicle body or a fixed object, It is characterized in that the key portion is engaged with the locking portion to be locked, and the rod-shaped body is covered with a soft member.

The antitheft device according to the second aspect of the present invention is characterized in that the soft member is composed of a contraction tube, and the contraction tube is crimped and fixed to the rod-shaped body.

The antitheft device of the invention according to claim 3 is
It is characterized in that the soft member is made of a soft resin, and the soft resin and the rod-shaped body are engaged and recessed to be fixed.

[0009]

According to the first aspect of the present invention, a lock chain is constituted by a plurality of linked rod-shaped bodies, the lock chain is bridged between the vehicle wheel and the vehicle body or a fixed object, and the key portion is engaged with the locking portion. And lock. When locking, even if the rod-shaped body of the lock chain may come into contact with each part of the motorcycle, since the rod-shaped body is covered with the soft member, the coating is less likely to be peeled off or scratched. It's easy.

According to the second aspect of the present invention, the soft member is composed of a contraction tube, and the contraction tube is pressure-bonded to the rod-shaped body to be fixed easily and surely.

According to the third aspect of the invention, the soft member is made of a soft resin, and the soft resin and the rod-shaped body are engaged with each other in a concavo-convex manner to be fixed easily and reliably.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The antitheft device of the present invention will be described in detail below with reference to the drawings.

1 to 4 show an embodiment of an anti-theft device, FIG. 1 is a side view of the anti-theft device, FIG. 2 is a plan view of the anti-theft device, and FIG. 3 is taken along line III-III of FIG. Sectional view, Figure 4
FIG. 6 is a perspective view showing a usage state of the anti-theft device.

This anti-theft device 100 includes an upper rod-shaped body 1, 1, 1 and a lower rod-shaped body 2, as viewed from the upper side of the plane of FIG.
It is composed of 5 rod-shaped bodies of a predetermined length. The ends of the upper rod-shaped bodies 1, 1, 1 and the lower rod-shaped bodies 2, 2 are rotatably connected to each other, and the five linked rod-shaped bodies form a lock chain A. A lock 1a is provided on the upper bar 1 at the first stage of the lock chain A. The end portion 1b of the upper rod-shaped body 1 provided with the locking portion 10 is superposed on the end portion 2a of the lower rod-shaped body 2 of the next stage, and the hole portion 1c formed in the end portion 1b of the upper rod-shaped body 1 is formed. The male screw portion 3b of the connecting pin 3 having the head portion 3a is screwed to the female screw portion 2c of the end portion 2a of the lower rod-shaped body 2 on the next stage to be connected. End 1 of the upper bar 1
The head b of the connecting pin 3 is prevented from coming off from the lower rod-shaped body 2 by the head 3a, and the rod-shaped bodies 1 and 2 are rotatably connected by the connecting pin 3.

On the other end 2b of the connected lower rod-shaped body 2 and on the end 1a of the upper rod-shaped body 1 in the next stage, the rod-shaped bodies 2, 1 are connected to each other as described above. Are rotatably connected by a connecting pin 3.

In this way, the rod-shaped bodies 1 and 2 are alternately connected vertically, and the key portion 11 is provided on the rod-shaped body 1 at the final stage. The lock chain A can be bridged between the wheels of the vehicle and the vehicle body or a fixed object, the key portion 11 can be engaged with the locking portion 10, and the key 12 can be inserted into the locking portion 10 to lock or unlock. It is like this. The soft members 4 are provided on the rod-shaped portions 1d and 2d of the rod-shaped members 1 and 2 constituting the lock chain A, and the rod-shaped members 1 and 2 are covered with the soft member 4.

As shown in FIG. 4, the antitheft device 100 connects the lock chain A to the wheels 22 of the vehicle, for example, the wheels 21 of the motorcycle, and the front fork 2 of the vehicle body 23.
4, the key portion 11 is engaged with the locking portion 10 and locked by the key 12. When you lock this
Even if the rod-shaped bodies 1 and 2 of the lock chain A come into contact with various parts of the motorcycle such as the wheel 22 of the wheel 21 and the front fork 24 of the vehicle body 23, the rod-shaped bodies 1 and 2 become the soft member 4.
Since it is covered with, it is easy to handle because it is hard to get scratches such as peeling of the paint.

Further, the lock chain A is indicated by a chain double-dashed line in FIG.
Alternatively, the key portion 11 may be engaged with the locking portion 10 and locked by the key 12.

5 and 6 show another embodiment of the anti-theft device, FIG. 5 is a side view of the anti-theft device, and FIG. 6 is a plan view of the anti-theft device. In this embodiment, members having the same configurations as those in the embodiments of FIGS. 1 to 4 are designated by the same reference numerals and the description thereof will be omitted. The anti-theft device 100 is composed of four rod-shaped bodies 1 and 1 on the upper side and rod-shaped bodies 2 and 2 on the lower side when viewed from the upper side of the paper surface of FIG. , 1 and the lower rod-shaped bodies 2, 2 are alternately connected in the vertical direction. Since the rod-shaped body 2 at the final stage is located on the lower side, the lower rod-shaped body 2 is bent to bring the key portion 11 to the same position as the rod-shaped body 1 located on the upper side, and the key portion 11 is locked. The key 12 is engaged with the portion 10 so that the key 12 can be inserted into the locking portion 10 so as to be locked or unlocked.

The soft member 4 used in the anti-theft device 100 is provided as shown in FIGS. 7 to 13.

FIG. 7 shows an embodiment of the upper rod-shaped body 1. In this embodiment, the soft member 4 is composed of a contraction tube 40, and the contraction tube 40 is crimped onto the bar-shaped portion 1d of the bar-shaped body 1. It is fixed. The shrinkable tube 40 is made of, for example, rubber, and is provided by inserting it from the end of the round rod-shaped body 1 and press-fitting it. The shrink tube 40 is provided, for example, so as to surround the round rod-shaped body 1 with vinyl chloride, and is provided so that heat is applied to the vinyl chloride to cause it to shrink and to be pressure-bonded. In this way, the soft member 4 is constituted by the contraction tube 40, and the contraction tube 40 is pressure-bonded to the rod-shaped portion 1d of the rod-shaped body 1 to be fixed easily and reliably.

FIG. 8 shows an embodiment of the lower rod-shaped body 2. In this embodiment, a contraction tube 40 is crimped onto the rod-shaped portion 2d of the lower rod-shaped body 2 to make it similar to the lower rod-shaped body 1. Therefore, the same reference numerals are given and description thereof is omitted.

Further, in the embodiment of FIG. 9, the soft member 4 is
Similarly, the shrink tube 40 is used, and the shrink tube 4
0 is crimped and fixed to the rod-shaped portions 1d and 2d of the rod-shaped bodies 1 and 2, but the rod-shaped portions 1d and 2d of the rod-shaped bodies 1 and 2 are formed in a round shape, but a cross section near the end is formed. Is formed to be a square. Therefore, the rod-shaped portion 1 of the rod-shaped bodies 1 and 2
The ends of the shrinkable tubes 40 crimped to d and 2d are square, and the ends of the shrinkable tubes 40 and the ends of the rod-shaped bodies 1 and 2 are flush with each other. Prevents the vehicle from being damaged by coming into contact with each part of the motorcycle such as the wheel or the front fork of the vehicle body.

FIG. 10 shows another embodiment of the upper rod-shaped body 1. In this embodiment, the soft member 4 is made of a soft resin 41, and the soft resin 4 and the rod-shaped body 1 are engaged with each other in a concavo-convex manner. Fixed. The rod-shaped portion 1d of the rod-shaped body 1 has recesses 1 at symmetrical positions.
e is formed in the axial direction. On the other hand, the soft resin 41 is 2
The halves 41a and 41b are formed by dividing the halves 41a and 41b, and the halves 41a and 41b each have a convex portion 41a protruding inward in the axial direction.
1, 41b1 are formed, and the convex portions 41a1 and 41b1 are combined and engaged with the concave portion 1e of the rod-shaped portion 1d to form the soft resin 41.
Are attached to the rod-shaped body 1.

As described above, the soft member 4 is made of the soft resin 41, and the soft resin 41 and the rod-shaped body 1 are engaged with each other in a concavo-convex manner to be fixed easily and reliably.

FIG. 11 shows an embodiment of the lower rod-shaped body 2,
In this embodiment, the recess 2e of the rod-shaped portion 2d of the lower rod-shaped body 2 is used.
The soft resin 41 is engaged with and fixed to the upper part of the rod-shaped body 1 on the upper side.
Since the configuration is similar to the above, the same reference numerals are given and the description is omitted.

FIG. 12 shows another embodiment of the upper rod-shaped body 1. In this embodiment, the soft member 4 and the soft resin 42 are similarly provided.
The soft resin 42 and the rod-shaped body 1 are fixed to each other by engaging and recessing. On the rod-shaped portion 1d of the rod-shaped body 1, convex portions 1f are axially formed at symmetrical positions. On the other hand, the soft resin 42 is divided into two and is formed into half-split bodies 42a and 42b. The half-split bodies 42a and 42b are alternately arranged in the axial direction in the rod-shaped portions 1d.
Concave portions 42a1 and 42b1 which engage with the convex portion 1f of the rod-shaped portion 1d are formed.
The soft resin 42 is attached to the rod-shaped body 1 by engaging with f.

As described above, the soft member 4 is made of the soft resin 42, and the soft resin 42 and the rod-shaped body 1 are engaged with each other in a concavo-convex manner to be fixed easily and reliably.

FIG. 13 shows an embodiment of the lower rod-shaped body 2,
In this embodiment, the convex portion 2f of the rod-shaped portion 2d of the lower rod-shaped body 2 is used.
The soft resin 42 is engaged with and fixed to the upper end of the rod-shaped body 1 on the upper side.
Since the configuration is similar to the above, the same reference numerals are given and the description is omitted.

[0030]

As described above, the invention according to claim 1 is
A lock chain is composed of a plurality of linked rod-shaped bodies, and the lock chain is bridged between the wheels of the vehicle and the vehicle body or a fixed object, and the key portion is engaged with the locking portion to enable locking, and the rod-shaped body is a soft member. Since the rod-shaped body of the lock chain may come into contact with each part of the motorcycle when locked, the rod-shaped body is covered with the soft member, so that the coating is unlikely to be peeled off or scratched. Therefore, it is easy to handle.

According to the second aspect of the present invention, the soft member is composed of a contraction tube, and the contraction tube is pressure-bonded to the rod-shaped body, so that the contraction tube can be easily and surely fixed.

According to the third aspect of the present invention, the soft member is made of a soft resin, and the soft resin and the rod-shaped body are engaged with each other in a concavo-convex manner, whereby the soft member can be easily and surely fixed.

[Brief description of drawings]

FIG. 1 is a side view of an anti-theft device.

FIG. 2 is a plan view of the anti-theft device.

FIG. 3 is a sectional view taken along the line III-III in FIG.

FIG. 4 is a perspective view showing a usage state of the anti-theft device.

FIG. 5 is a side view of the anti-theft device.

FIG. 6 is a plan view of the anti-theft device.

FIG. 7 is a view showing an embodiment of a soft member used for the upper rod-shaped body of the anti-theft device.

FIG. 8 is a diagram showing an embodiment of a soft member used for the lower rod-shaped body of the anti-theft device.

FIG. 9 is a view showing another embodiment of the soft member used for the upper and lower rod-shaped bodies of the anti-theft device.

FIG. 10 is a view showing another embodiment of the soft member used for the upper rod-shaped body of the anti-theft device.

FIG. 11 is a view showing another embodiment of the soft member used for the lower rod-shaped body of the anti-theft device.

FIG. 12 is a view showing another embodiment of the soft member used for the upper rod-shaped body of the anti-theft device.

FIG. 13 is a view showing another embodiment of the soft member used for the lower rod-shaped body of the anti-theft device.

[Explanation of symbols]

 1, 2 bar-shaped body 4 soft member 10 locking part 11 key part 21 wheel 23 vehicle body 30 fixed object A lock chain

Claims (3)

[Claims] 1. An end portion of rod-shaped bodies having a predetermined length is rotatably connected to each other, and a lock chain is constituted by the plurality of connected rod-shaped bodies, and a locking portion is provided on the rod-shaped body at the initial stage of the lock chain. Is provided
A key portion is provided on the rod-shaped body at the final stage, the lock chain is bridged between the vehicle wheel and the vehicle body or a fixed object, and the key portion is engaged with the locking portion to enable locking, and the rod-shaped body is a soft member. Anti-theft device characterized by being covered with. 2. The soft member is composed of a shrinkable tube,
The anti-theft device according to claim 1, wherein the contraction tube is fixed to the rod-shaped body by crimping. 3. The antitheft device according to claim 1, wherein the soft member is made of a soft resin, and the soft resin and the rod-shaped body are engaged and fixed to each other in a concavo-convex manner.