JPH0210847Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is used for tensioning wires strung to form trellises in vineyards, etc., and for tensioning wires for nets used in tennis, volleyball, and other sports. This relates to tension wire fittings.

(Prior art) As shown in FIGS. 5 and 6, a conventional wire tensioning tool has a winding shaft b rotatably pivoted between side plates a and a' of a U-shaped main body. The shaft body b protrudes outward from '
A gear c for preventing reverse rotation is mounted on one end of the
The other end is provided with a flattened handle mounting part d by removing the circumferential surface of the shaft b, and the main body can be tied to a fixed wire or fixed to a stake and fitted into the handle mounting part. By rotating the connected handle, the wire to be stretched around the shaft body b is wound.

(Problems to be solved by the invention) In the conventional wire tensioning tool described above, the rotating shaft body b is formed by processing a metal rod, and the shaft body b has a gear c as shown in FIG. A step part e is provided on the end side to be installed, a hole is bored in the side plate a through which the step part e is inserted, a gear c is installed after passing through the step part e, and the gear c and The winding shaft b is prevented from coming off from the side plates a and a' by sandwiching the side plate a with the end surfaces of the stepped portions. Therefore, in the conventional shaft body b, not only the above-mentioned stepped portion but also the handle attachment portion are formed by scraping off a metal rod, which requires complicated processing work. The plate is thickly plated, which may interfere with the rotation of the shaft. Furthermore, since the handle mounting portion d is shaped as a flat body, the handle mounting direction is limited to two directions.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention is such that the winding shaft body is formed of a tubular body. That is, a through hole through which the shaft 2 can be inserted is formed in both side plates 1 and 1' of the U-shaped main body A, and a polygonal (hexagonal in the figure) cylindrical handle attachment part 3 is formed at the end of the shaft 2. , the shaft body 2 is inserted into the side plate through hole, the reverse rotation prevention gear 4 is connected and fixed to the end of the shaft body 2 protruding from the side plate 1 to the outside, and a pin 5 or other movement prevention material is attached to the protrusion on the opposite side. This is to prevent the shaft body 2 from coming off from the side plates 1, 1'. In addition, the through hole provided in the main body A in the figure is the fixed wire B.
The gear 4 is provided with a rotating pawl 7 for preventing reverse rotation.

The proposed winding tool is used in the same way as the conventional one, and by connecting the fixed wire B to the connecting hole 6 and rotating the handle D connected to the handle attachment part 3 of the shaft body 2. The stretch wire C is wound around the shaft body 2.

(Effects of the invention) As described above, the present invention uses a conventional wire tensioner as a tube body for the winding shaft, and the pivot structure of the winding shaft is simpler than before, making it easier to process. In addition, the handle attachment part can be easily made into a cylinder with a polygonal end face, and a handle with a wrench structure that covers the attachment part, or conversely, a handle with an Allen wrench structure, can also be adopted, and a polygonal handle can also be used. Because of its shape, the handle can be attached in multiple directions, making it easier to use.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is an overall perspective view, FIG. 2 is a side view, FIG. 3 is a front view, and FIG. 4 is a state of use. 5 and 6 show a conventional example, with FIG. 5 being a perspective view of the shaft body and FIG. 6 being a front view of the whole. 1 and 1' are side plates, 2 is a winding shaft, 3 is a handle mounting portion, 4 is a gear for preventing reverse rotation, 5 is a pin, 6 is a connecting hole, and 7 is a rotating claw for preventing reverse rotation.

Claims (1)

[Scope of utility model registration request] In a known wire tensioning tool, the winding shaft is pivotally mounted between the side plates of the main body, a gear for preventing reverse rotation is mounted on one end of the shaft, and a handle attachment part is provided on the other end. A wire tensioning tool characterized in that the body is formed of a tubular body and the handle attachment part is formed into a polygonal cylindrical shape.