JPH0421684Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a tightening device for a tire slip stopper.

<Prior art> A conventional tightening device for a tire anti-slip device is disclosed in Japanese Utility Model Publication No. 13845/1983 for use with a tire chain, and this tightening device 20 has a ring-shaped body 21 as shown in FIG. A plurality of rubber strings 22 are attached to appropriate positions facing outward, and a substantially C-shaped hook portion 23 is provided at the tip of the rubber strings 22.

When using this tightening device 20, first the tire chain B' is wound around and attached to the tire C as shown in FIG.
1 are positioned approximately concentrically, and while each rubber string 22 is stretched in the radial direction, the hooking portion 23 at the tip thereof is hooked to each chain piece b on the outer edge of the corresponding tire chain B'. ing.

However, in the pulling operation of each rubber string 22, when the operator hooks the latching part 23 to the tire chain B', the operator must avoid the latching part 23 so that the latching part 23 is not hidden. Because the user had to pick an appropriate position with his or her fingers and place his or her elbow toward the center of the tire C, it was difficult to perform the pulling operation due to one's physical position, and a lot of effort was required.

<Technical problem to be solved by the invention> The technical problem to be solved by the invention is to enable the worker to latch the tire by pulling the tire with the elbow in a state where it is easy to apply force with the elbow facing outward. The purpose is to allow the parts to be latched.

<Means for Solving the Technical Problems> The technical means taken by the present invention to solve the above problems is to provide tightening arm rods at appropriate intervals outward from the center ring, and to A tightening device for a tire slip stopper having a hook portion at the tip thereof is characterized in that a tension piece portion of an appropriate shape is provided at the tip of the hook portion.

<Operation> According to the above method, the center ring of the tightening device is positioned concentrically on the outside of the tire, and the operator holds the tension piece and tightens it with his/her own elbow facing outside of the tire. By pulling the arm rod in the centrifugal direction, the position of the latching part at the tip of the tightening arm is moved outward, and each latching part is moved along the outer edge of the anti-slip device for a tire that is wrapped around the tire. Latch.

<Effects of the invention> Since the invention is constructed as described above, when the worker holds the tension piece and pulls the tightening arm in the centrifugal direction with his/her elbow facing outward from the tire, The latching part can be latched. Therefore, it is possible to perform a pulling operation in a natural position where it is easy to apply force, and the anti-slip device can be tightened against the tire by attaching it to the outer edge of the anti-slip device wrapped around the tire without requiring excessive force. It can be done.

Thus, the intended purpose can be achieved.

<Example> Hereinafter, an example of the present invention will be described based on the drawings.

A shown in FIG. 1 is a tightening device, and when attaching the anti-slip device B for tires as shown in FIG. 3 to the tire C by wrapping it around the tire C as shown in FIG. It is attached to the outer edge of the anti-slip device B, and the anti-slip device B is tightened against the tire C.

The tightening device A includes an appropriate number of tightening arm rods 2 radially arranged at appropriate intervals from a center ring 1, and a hooking portion 3 for the outer edge of the anti-slip tool B at the tip of the tightening arm rod 2. A tightening device main body A' is formed by integrally providing the tightening device main body A', and a tension piece portion 4 of an appropriate shape is provided at the tip of each hooking portion 3 in the tightening device main body A'.

The center ring 1 and the tightening arm 2 may be made of suitable materials so that both 1 and 2 are stretchable, or one is stretchable and the other is non-stretchable, and at least one is made outward. It is designed so that it can be extended to If it is made to be elastic, use a member that expands and contracts while producing elasticity, such as natural rubber or synthetic rubber, or an appropriate synthetic resin or spring.
When forming the material to be non-stretchable, a member having a core material such as a high tensile strength fiber such as nylon fiber or wire that is strong against tensile force is used.

At each tip of the tightening arm rod 2, there is a ring-shaped hook 3 for hooking onto each hook 11 of the anti-slip tool B.
are integrally connected, and a tension piece 4 of an appropriate shape is further formed in a continuous manner at the tip of the hook 3.

The tension piece 4 is for moving the hook part 3 at the tip of the tightening arm 2 outward by holding this part and pulling it outward, and has a substantially plate-like or substantially cylindrical shape. It is formed into an appropriate shape that is easy to hold. In this case, it is also possible to form irregularities of an appropriate size on the surface to make it easier to pull. Further, the tension piece 4 may be made of rubber or synthetic resin and provided integrally with the tightening arm 2 as described above, or may be formed of metal or a suitably hard synthetic resin and fixed to the tightening arm 2. Good too.

The tightening device A configured as described above is a tire C.
It is attached along the outer edge of the anti-slip device B attached to the.

The anti-slip tool B shown in FIG. 3 is of a net type, and one end of the net main body b formed in a diagonal lattice shape is provided with connection bands 12, 12, and the other end is provided with connection bands 12, 12. A non-stretchable tightening rope 14 is attached along the inner edge of the main body b, and a tightening device _A1 is hooked and attached to the outer edge. The latching hooks 11 for this purpose are attached at equal intervals.

When attaching the anti-slip device B to the tire C, the anti-slip device B is wound around the circumference of the tire C, and the connecting band 1
2 and 12 are inserted into the connecting parts 13 and 13 to connect both ends, and further, both ends of the inner tightening rope 14 are connected and the inside of the net body b is tightened.

Next, the mounting operation and operation of the aforementioned tightening device A will be explained.

As shown in FIG. 2, with respect to the anti-slip device B which is wound around the tire C, the hook portion 3 of the tightening arm 2 at an appropriate position in the tightening device A is connected to the anti-slip device B at an appropriate position. After being hooked to the stop hook 11, with the center ring 1 positioned concentrically outside the tire C, the center ring 1 is positioned on the symmetrical side or substantially symmetrical side of the above-mentioned tightening arm rod 2. Tightening arm rod 2
By holding the tension piece 4 at the tip and pulling in the centrifugal direction with the worker's elbow facing outward from the tire C, the center ring 1 and/or the tightening arm 2 can be extended and tightened together with the arm 2. The latching part 3 is moved outward and the latching part 3 is latched to the corresponding latching hook 11 on the anti-slip device B. This operation is repeated in sequence for each latching part 3 located symmetrically or approximately symmetrically in the tightening device A, and each latching part 3 is latched to each latching hook 11 of the corresponding anti-slip tool B. . Then, the anti-slip device B tightens the outer edge of the tightening device A.
Tire C is pulled toward the center of tire C by
It is tightly attached to the

The tightening device according to the present invention can also be used in conjunction with an appropriate number of annular rubber bands D as shown in FIG. This rubber band D is sequentially latched along each of the hooks 11 attached to the outer edge of the anti-slip device B in the above state, thereby accurately setting the anti-slip device B on the tire C and also as a preliminary It is to be tightened. Thereafter, each latching portion 3 of the tightening device A is latched to each latching hook 11 of the corresponding anti-slip device B in the same manner as described above. This rubber band D
In such a case, as shown in FIG. 5, it is also possible to construct a tightening device A1 by integrally forming an appropriate number of rubber bands D on the above-mentioned tightening device _A. In this case, the rubber band D may be fixed at only one location to the hook 3 or the like at an appropriate location.

The shape of the tension piece 4 in the tightening device A may be formed as shown in FIGS. 6 to 8. That is, as shown in FIG. 6, a substantially plate-shaped or cylindrical base rod 4a is protruded from the tip of the hooking portion 3, and a substantially plate-shaped base rod 4a having a width appropriately wider than the base rod 4a is provided at the tip of the base rod 4a. Alternatively, cylindrical expanding rods 4b are connected in series to form the tension piece portion 4', or as shown in FIG. Alternatively, as shown in FIG. 8, a ring 4d into which a finger can be inserted can be connected to the tip of the base rod 3 to constitute the tension piece 4. Expanded rod 4 in pieces 4', 4'', 4
b, the ball portion 4c, and the ring 4d are configured to facilitate the pulling operation.

In the tightening device _A2 shown in FIG. 9, the tightening device main body A'' is constructed by forming each hooking portion 3' into a substantially C-shape using metal or appropriate synthetic resin, etc. The above-mentioned tension piece part, for example, the tension piece part 4' shown in FIG. 6, is fixed to the tip of each hook part 3' at A''. Similar to the tightening device 20 shown in FIG. 11, this type of tightening device _A2 is used for the tire chain B' as shown in FIG. It is also possible to apply it to the stopper B, in which case each latch part 3' moved outward by pulling the tension piece 4' is hooked to each latch hook 11 of the anti-slip member B. In other words, the hook 11 is directly hooked to the side edge 15 of the attached net body b.

In the above-mentioned tightening device main body A'', as shown in FIG. 10, a tension piece 4'''' of an appropriate size and a shape similar to the hooking portion 3' is provided at the tip of each hooking portion 3'. It is also possible to configure the tightening device A ₂ ' by being fixedly installed so that the tensioning operation can be performed by hooking the tip of a finger on the tensioning piece 4''.
``'''' may be provided on the hook 3 of the tightening device main body A' shown in FIG. 1, or may be provided on the hook 23 of the tightening device 20 shown in FIG. Good too.

Incidentally, in the present invention, the tightening device can of course be used with a ladder-type anti-slip device (not shown), and a plurality of devices may be used in piles.

[Brief explanation of the drawing]

Figure 1 is a front view of the tightening device, Figure 2 is a diagram of how the tightening device is installed, Figure 3 is a plan view of the net-type anti-slip device, and Figure 4 is the installation of the tightening device using a rubber band. 5 is a perspective view of a tightening device integrally attached with a rubber band, FIGS. 6 to 8 are front views showing other embodiments of the tension piece, and FIGS. 9 and 1.
Figure 0 is a front view showing another embodiment of the tightening device, respectively.
11 and 12 show a conventional example, with FIG. 11 being a front view of the tightening device, and FIG. 12 being an installation view. In the figure, A, A ₁ , A ₂ , A ₂ ′... tightening device, A′,
A″...Tightening device body, B...Tire anti-slip device, 1...Center ring, 2...Tightening arm bar, 3,
3'...Latching part, 4, 4', 4'', 4, 4'''''...
…
Tensile piece.

Claims (1)

[Scope of utility model registration request] In a tightening device for a tire skid stopper, which has tightening arms extending outward from a center ring at appropriate intervals and having a hook at the tip of the tightening arm, an appropriate hook is attached to the tip of the hook. A tightening device for a tire anti-slip device, characterized in that it is provided with a shaped tension piece.