JPH0344798Y2 - - Google Patents

Description

[Detailed explanation of the idea] <Industrial application field> The present invention relates to a split type jack handle.

<Prior Art> As shown in FIG. 7, the hydraulic jack 1 is operated by vertically swinging a rod-shaped jack handle 2, and the shaft length of the jack handle 2 is usually 1 m or more. It is often difficult to find a place to store them. For this reason, in the past, this jack handle 2 was made into a split type, and when not in use, the sixth
As shown in the figure, it is considered that a small-diameter pipe 4 is housed within a large-diameter pipe 3, and when used, the small-diameter pipe 4 is connected to the large-diameter pipe 3.

<Problems to be solved by the invention> In such a split type jack handle, there is a gap d in the radial direction between the small diameter pipe 4 and the large diameter pipe 3, which causes backlash due to vibration. I had a problem with it making strange noises.

The object of the present invention is to provide a split jack handle that prevents the generation of abnormal noise.

<Means for solving the problem> The configuration of the split-type jack handle of the present invention that achieves the above purpose uses a small diameter pipe connected to a large diameter pipe, and when not in use, the large diameter pipe is connected to the large diameter pipe. In a split-type jack handle that stores a small-diameter pipe inside a large-diameter pipe, an abnormal noise prevention body that tightly fits the tip of the stored small-diameter pipe is attached to one end of the large-diameter pipe. Features.

<Effect> When a small diameter pipe is stored inside a large diameter pipe,
Since the tip of the small-diameter pipe fits tightly into the noise prevention body, it will not rattle even when vibrated, and no abnormal noise will be generated.

<Examples> Examples of the present invention will be described in detail below.

An embodiment of the present invention is shown in FIGS. 1 to 3. As shown in these figures, the split-type jack handle of this embodiment consists of a large-diameter pipe 3, a small-diameter pipe 4, an abnormal noise prevention body 5, and the like. As shown in Fig. 1, when using a hydraulic jack, a small diameter pipe 4 can be connected to a large diameter pipe 3 to make it long; In this case, a small diameter pipe 4 is placed inside a large diameter pipe 3.
can be stored and made short. A cylindrical rubber noise prevention body 5 is inserted into the left end of the large diameter pipe 3 in the drawing, and is press-fitted or bonded to the body so as not to easily come off. The inserted tip of the noise preventer 5 has a tapered surface 5a whose diameter gradually becomes smaller, and this tapered surface 5a is tightly fitted to the tip of the stored small-diameter pipe 4. . The rear end portion of the abnormal noise prevention body 5 is an engaging portion 5b having a diameter larger than that of the large diameter pipe 3, and is engaged with the end portion of the large diameter pipe 3. Therefore, even if the split-type jack handle having the above-mentioned structure is subjected to vibrations when loaded into a passenger car or the like, the small-diameter pipe 4 is connected to the noise prevention body 5.
Since it is held in the large-diameter pipe 3 via the pipe 3, there is no rattling and no abnormal noise is generated. In addition, since the rear end of the noise prevention body 5 is the engaging part 5b, if the jack handle is stored with the noise prevention body 5 upright, the jack handle can be stored on the vehicle floor or the bottom of the jack storage area. The paint film will not be damaged,
Furthermore, when operating the jack, there is no risk of injury at the end of the pipe 5, making it safe.

Note that the shape of the noise prevention body 5 is not limited to that shown in FIG. 3 as long as it can fit tightly into the small diameter pipe 3, but it may also be shaped like the noise prevention body 6 shown in FIG. 4. It's okay. Further, as shown in FIG. 5, the grip 7 attached to the end of the large-diameter pipe 3 and the noise prevention body 5 may be integrally molded. In the figure, 8 is a post nut for fixing the connected pipes 3 and 4.

<Effects of the invention> As explained above in detail based on the examples, the split type jack handle of the invention prevents abnormal noise between the large diameter pipe and the small diameter pipe even when vibration is applied. Since they are in contact with each other through the body, they do not rattle and can prevent abnormal noises from occurring.

[Brief explanation of the drawing]

Figures 1 to 3 relate to an embodiment of the present invention, in which Figure 1 is a front view of the connected split-type jack handle, Figure 2 is a front view of the split-type jack handle in the retracted state, and Figure 2 is a front view of the split-type jack handle in the retracted state. Figure 3 is a sectional view of the noise prevention body, Figure 4 is a sectional view of the noise prevention body according to another embodiment, Figure 5 is a front view showing a grip attached to the end of the pipe, and Figure 6. 7 is a partially cutaway front view of a conventional split-type jack handle, and FIG. 7 is a schematic diagram of a hydraulic jack. In the drawing, 1 is a hydraulic jack, 2 is a jack handle, 3 is a large diameter pipe, 4 is a small diameter pipe,
5 and 6 are noise prevention bodies, 7 is a grip, 8 is a chili nut, and d is a gap.

Claims (1)

[Scope of utility model registration request] A split type jack handle that connects a small diameter pipe to a large diameter pipe and stores the small diameter pipe inside the large diameter pipe when not in use.
A split-type jack handle characterized in that a noise prevention body that tightly fits the tip of a stored small-diameter pipe is attached to one end of a large-diameter pipe.