JPH0344457Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an integrated driver/box wrench tool that is used in combination as a driver or a box wrench.

[Technical background of the invention and its problems] Conventionally, among tools stored in engine-driven generators, for example, there have been tools that have integrated a screwdriver and a box wrench, and that can be selectively combined as a screwdriver or a box wrench when used. It is used. For example, as shown in FIG. 7 and FIG. 8, which is a cross section taken along the line A-A, the integrated tool according to this conventional example is composed of a driver body 1 and a box wrench body 2. is rod-shaped, and an engaging portion 3 is formed at the end thereof. The box wrench main body is a cylindrical body having fitting parts 4, 5 such as bolts and nuts at its ends, and a holder part 6 for the driver main body 1 is provided inside this cylindrical body. This holder part 6 is a combination of two substantially cylindrical members 7, 7 made of a material such as rubber. A large number of protrusions 8, . the cylindrical member 7;
7 is supported at both ends by washers 10, 10, and is fixed inside the cylindrical body of the box wrench body 2 by caulking or the like. The cylindrical body of the box wrench body 2 has insertion holes 11, 11 on both end sides through which the driver body 1 passes, and the driver body 1 is inserted into the approximately central part thereof. An engagement hole 12 is formed in which the engagement portion 3 at the end of the driver body 1 engages. When the integrated tool configured in this way is not in use, the driver body 1 is inserted into the holding hole 9 of the box wrench body 2 and held by the holder part 6 inside the cylindrical body as shown in FIG. is stored in. When the integrated tool is used as a box wrench, the driver main body 1 is inserted into one of the insertion holes 11 of the box wrench main body 2, as shown in FIG. 9, and the driver main body 1 functions as a handle. fulfill.
On the other hand, when used as a screwdriver, as shown in FIG.
The engagement part 3 of the driver body 1 is engaged with the engagement hole 12 in the center of the box wrench body 2, and the box wrench body 2 serves as a handle.

However, in the integrated tool according to the conventional example, since the holder part 6 made of a material such as rubber is provided in the box wrench body 2, it is difficult to suppress the machining tolerance of the holding hole 9 of the holder part 6. It was hot. Therefore, it was sometimes difficult to attach and detach the driver body 1 from the box wrench body 2, or sometimes it was loose. Further, when the driver body 1 is used as the handle of the box wrench body 2, the driver body 1 may easily come off or be misaligned.

Japanese Utility Model Application Publication No. 54-91798 discloses a conventional technology related to a dual-purpose wrench for use in automobiles, but this conventional technology uses box wrenches for wheel nuts and spark plugs on both ends of a cylindrical body, respectively. Although it can be used for both purposes, it cannot store a screwdriver.

[Purpose of the invention] This invention was made in view of the above circumstances.
The structure in which the driver body can be stored inside the box wrench body, which is made of a cylindrical body, is relatively simple and easy to manufacture.It also allows for smooth attachment and detachment from the driver body, and the handle part is stable during use. The purpose of the present invention is to provide an integrated screwdriver/box wrench tool that can be held in a fixed state.

[Summary of the invention] In order to achieve the above object, the integrated driver/box wrench tool according to the invention has a driver body inside a box wrench body made of a cylindrical body with a fitting part for bolts and nuts at the end. Store and
In the driver/box wrench integrated tool, an insertion hole through which the end of the driver passes through and an engagement hole into which the engaging portion of the end of the driver body engages is formed in the outer periphery of the box wrench body, wherein the outer periphery of the driver body A holder part made of an elastic member having several radially protruding protrusions in the axial direction is fixed to the holder part, and the tip of the protruding part of this holder part is a large one that is tightly fitted into the inner diameter of the box wrench body. It is forming.

[Embodiments of the invention] Hereinafter, embodiments of the invention will be specifically described with reference to the drawings.

1 to 6 relate to an embodiment of the present invention,
Figure 1 is a cross-sectional view of the integrated driver/box wrench tool, Figure 2 is a cross-sectional view of the driver body shown in Figure 1, Figure 3 is a top view of the box wrench body shown in Figure 1, and Figure 4 is a cross-sectional view of the box wrench body shown in Figure 1. BB line sectional view of Figure 2,
FIG. 5 is a diagram when the device is used as a screwdriver, and FIG. 6 is a diagram when it is used as a box wrench.

In these figures, the driver/box wrench integrated tool is composed of a driver body 21 and a box wrench body 22. The driver body 21 is rod-shaped, and one end thereof is shaped like a plus or minus shape, and the other end is flat. An engaging portion 23 is formed in a shape having a notch. The box wrench main body 22 is made of a cylindrical body such as a steel pipe, and fitting portions 24 and 25 such as bolts and nuts are provided at both ends thereof. In the vicinity of both ends of the box wrench main body 22 where the fitting parts 24 and 25 are provided, there is an insertion hole through which the shaft of the driver main body 21 passes at right angles to the axis of the cylindrical body of the box wrench main body 22. Holes 26, 26 are provided. Further, approximately in the center of the box wrench main body 22, there is a substantially rectangular shape that the engaging part 23 side of the driver main body 21 passes through the box wrench main body 22 from one side at a right angle, and that the engaging part 23 engages with. An engagement hole 27 is provided.

On the other hand, the driver main body 21 is provided with a holder portion 28 . This holder part 28 is made of an elastic member such as rubber, and is
Several protrusions 29, . The cylinder formed at the top of the projections 29, . . . is sized to fit tightly into the inner diameter of the box wrench body.
Further, the holder portion 28 is bonded by baking or the like to a portion of the shaft portion of the driver body 21 that is slightly biased towards the engaging portion 23 side from the center portion.

In the integrated driver/box wrench tool configured as described above, when not in use, the driver main body 21 is inserted into the cylindrical body of the box wrench main body 22 and the holder part 28 is fitted, as shown in FIG. , and is housed in the cylindrical body in a held state. When the integrated tool is used as a box wrench, it is inserted into one of the insertion holes 26 of the box wrench body 22 from the plus or minus side of the driver body 21 and comes into contact with the holder part 28, as shown in FIG. The driver main body 21 serves as a handle having approximately the same length on both sides.
On the other hand, when used as a screwdriver, as shown in FIG.
Engage the engaging part 23 of the driver main body 21 with the engaging hole 27 in the center of the box wrench main body 2.
2 serves as a handle.

Since the holder part 28 is provided on the outer periphery of the driver body 21, the holder part 28 can be manufactured without particularly strict dimensional tolerances, and the driver body 21 can be smoothly attached and detached. It becomes easier to do. Furthermore, when the driver body 21 is used as the handle of the box wrench body 22, the holder portion 28 serves as a stopper portion, and the driver body 21 can be held in a fixed position and in a stable state. Furthermore, even when used as a screwdriver, the holder portion 28 can be grasped and operated without falling off.

In the above embodiment, the holder portion 28 may be formed of an elastic member, and its shape may be any shape as long as it is removably attached to the cylindrical body of the box wrench body 22. I can do it. Further, in the above embodiment, the holder portion 28
Although the position is provided in a portion slightly biased toward the engaging portion 23 side from the center portion of the driver main body 21, it may be provided in another portion. Furthermore, the insertion hole 26,
The position of the insertion hole 26 or the insertion hole 27 is not limited to the embodiment.

[Effects of the invention] As explained above, according to the invention, the shaft of the driver passes through the outer periphery of the box wrench main body, which is a cylindrical body with a bolt/nut fitting part provided at the end. An elastic screwdriver/box wrench integrated tool having a hole and an engagement hole that is engaged with an engagement part at the end of the driver body, which has several radially protruding protrusions in the axial direction on the outer periphery of the driver body. The driver body can be stored inside the box wrench body because the holder part made of the member is fixedly installed and the tip of the protruding part of the holder part is formed in a size that fits tightly into the inner diameter of the box wrench body. The structure is relatively simple and manufacturing is easy. Furthermore, during use, the handle portion can be held in a stable state by the holder portion. Furthermore, there is no need to provide any special member for stable holding.

[Brief explanation of drawings]

1 to 6 relate to an embodiment of the present invention,
Figure 1 is a cross-sectional view of the integrated driver/box wrench tool, Figure 2 is a cross-sectional view of the driver body shown in Figure 1, Figure 3 is a top view of the box wrench body shown in Figure 1, and Figure 4 is a cross-sectional view of the box wrench body shown in Figure 1. BB line sectional view of Figure 2,
Figure 5 is a diagram when used as a screwdriver, Figure 6 is a diagram when used as a box wrench,
Figures 7 to 10 relate to conventional examples, Figure 7 is a sectional view of a driver/box wrench integrated tool, Figure 8 is a sectional view taken along line A-A in Figure 7, and Figure 9 is a tool used as a driver. Fig. 10 shows the case when it is used as a box wrench. 21... Driver main body, 22... Box wrench main body, 24, 25... Fitting part, 26... Insertion hole, 27... Engagement hole, 28... Holder part.

Claims (1)

[Claims for Utility Model Registration] A box wrench body consisting of a cylindrical body with a bolt/nut fitting part provided at the end thereof houses a driver body formed in a rod shape, In the driver/box wrench integrated tool, which has an insertion hole through which the shaft portion of the driver passes and an engagement hole into which the engagement portion of the end of the driver body engages, several grooves protrude radially on the outer periphery of the driver body. A holder part made of an elastic member having a protrusion in the axial direction is fixedly installed, and the tip of the protrusion of the holder part is formed in a size that allows it to fit tightly into the inner diameter of the box wrench body. An integrated tool that includes a screwdriver and box wrench.