JP3074023U - Tool handle structure - Google Patents

Abstract

(57) [Problem] To provide a structure of a tool handle which has a simple structure, can fix various drivers, and can enhance safety during use. SOLUTION: A grip 10 is an elongated bottomed cylindrical body having a hollow portion 11 inside, a male screw 12 is formed on the outer periphery of an opening portion, an angle of incidence 13 is provided on the upper portion thereof, and a slight angle is provided around the periphery. A vertical groove 14 is provided, the chuck 20 has an opening as a driver insertion hole 22, a female screw 21 capable of tightening the male screw 12 of the grip is provided inside the opening, and a grip inside the grip hollow portion, The fixed shaft is tightened regardless of whether the driver is turned forward or backward.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a structure of a handle of a tool capable of freely changing various drivers, firmly fixing the same, and improving safety during use.

[0002]

[Prior art]

 A flathead screwdriver or a Phillips screwdriver used for assembling or disassembling an object can achieve the purpose of assembling or disassembling an object by turning the screw only if the screw size is appropriate. For this reason, in general, it is not possible to turn various screws of different sizes without a driver of various sizes.

[0003] In the early days, the tip of a long rod-shaped tip was processed into a plus or minus shape, and the other tip was fixed in a plastic handle. This fixed type screwdriver can tighten and loosen the screws, but cannot separate the driver's tip from the handle. For this reason, drivers of various sizes, both large and small, must be carried and stored, which is very inconvenient. The structure of the conventional combination screwdriver solves the drawbacks of the fixed screwdriver by fixing various types of large and small tips on a single handle.

[0004]

[Problems to be solved by the invention]

 However, the structure of the handle that replaces and secures the driver's tip is not only complicated, but also the process of removing and attaching the driver's tip is extremely troublesome and inconvenient. Therefore, further improvement was actually required.

Accordingly, a main object of the present invention is to provide a structure of a handle of a tool which has a simple structure and allows various kinds of drivers to be mounted on it.

[0006]

[Means for Solving the Problems]

 The structure of the handle of the tool of the present invention consists of a grip and a chuck that allow various types of drivers to be mounted and stored freely. The grip is configured as an elongated cylindrical body with a bottom, and an external thread is formed on the upper part of the outer periphery of the opening. A bevel is provided at the upper part of the male screw, and a slight vertical groove is provided around the male screw forming portion at the same angle as the bevel. The chuck is formed in a cylindrical shape provided with a female screw which can be screwed into a male screw on the inner side. The fixed shaft of the driver can be inserted into the inside of the opening of the grip, and the outer diameter of the fixed shaft is formed so as to exactly match the inner diameter of the inside of the opening of the grip. When the driver's fixed shaft is inserted into the inside of the grip opening and the male screw of the grip is tightened with the female screw of the chuck, the driver's fixed shaft is gradually tightened by the split groove and It is fastened exactly.

In addition, the structure of the handle of the tool of the present invention allows the sharp tip to be turned upside down and inserted into the hollow portion of the grip when the driver is not used, so that the driver can be stored safely. In addition, since the outer diameter of the fixed shaft of the driver and the inner diameter of the recess are exactly matched, the air inside the recess is compressed and creates a buffering effect on the driver, thereby increasing safety during use. .

[0008]

[Embodiment of the invention]

 Hereinafter, an example showing an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 3 and FIG. 4, the handle of the tool according to the present invention mainly includes a grip 10 for mounting various drivers and a chuck 20. Male and female spirals are formed on the outer periphery of the opening of the grip 10 and the inner periphery of the chuck 20, respectively. The grip 10 is formed as an elongated cylindrical body with a bottom provided with a hollow portion 11, and a male screw 12 is formed on the outer periphery of an upper opening of the hollow portion 11. The outer periphery of the upper portion of the male screw 12 forming portion is tapered at an angle of incidence 13, and a small vertical groove 14 is provided around the angle of incidence 13. The chuck 20 is formed as a cylindrical body, and a female screw 21 that can be fitted and fastened to the male screw 12 formed on the outer periphery of the opening of the grip 10 is provided inside the chuck 20. An upper portion of the female screw 21 is provided with a hole 22 into which a fixed shaft of a driver is inserted. The chuck 20 is fitted on the male screw 12 of the grip 10. When the chuck 20 is tightened downward, the angle of incidence 13 above the male screw 12 slowly enters the female screw 21 of the chuck 20, while the surrounding groove 14 is gradually tightened.

As shown in FIGS. 4 and 5, the handle of the tool of the present invention is mainly used for inserting and fixing the driver 30. When using the driver 30, the fixed shaft 31 at one end is inserted into the opening of the hollow portion 11 of the grip 10 (see FIG. 4). The outer diameter of the fixed shaft 31 matches exactly the inner diameter of the opening of the hollow portion 11. When the chuck 20 is fastened to the male screw 12, the fixed shaft 31 is tightly secured in the opening of the hollow portion 11 as the groove 14 is gradually tightened.

One end of the above-described driver 30 has a sharp tip 32. When the driver 30 is not used, the sharp tip 32 is inserted upside down into the hollow portion 11 of the grip (see FIG. 5). After completely inserting the sharp tip 32 into the hollow portion 11 of the grip 10, the chuck 20 is tightened downward to securely receive and fix the driver 30 and the sharp tip 32 in the grip 10. Then, it is possible to prevent the tip of the user from being pierced and hurt.

As shown in FIGS. 6 to 10, the handle of the tool of the present invention can be used to insert and fix another kind of driver 40. One side of the driver 40 is a fixed shaft 41. At the other end, a screw hole 42 is provided at the center. The screw hole 42 fixes the cutter 44 using a set screw 43. The cutter 44 has a thin disk shape (see FIG. 6) or various shapes as shown in FIGS. 7 to 10, and each of them has a stop hole 45 for mounting and fixing to the driver 40.

Since the outer diameter of the fixed shaft 31 of the drivers 30 and 40 and the inner diameter of the hollow portion 11 of the grip 10 are exactly matched, the fixed shafts 31 and 41 are gradually inserted into the hollow portion 11 of the grip 10. Then, the air in the hollow portion 11 of the grip 10 is pushed out. When the fixed shafts 31 and 41 are continuously inserted by applying force, the air remaining in the hollow portion 11 is compressed, so that the drivers 30 and 40 have elasticity. With this elasticity, even if the sharp tip 32 accidentally pierces another place, the tip 32 does not damage the other place because of the buffering action, and the grip 10 is turned upside down and the male screw 12 is turned upside down. Even when the driver 30 is directed downward, the driver 30 falls at a very slow speed due to the compressed air in the hollow portion 11, so that the danger of the driver 30 falling instantaneously can be prevented.

It should be noted that the drawings in the above description and the embodiments are merely examples of the present invention.

[0014]

[Effect of the invention]

 As described above, the structure of the handle of the tool according to the embodiment of the present invention is not only practical because it fixes various tools, but also compresses the air in the hollow portion 11 of the grip 10 and cushions the tools. Since it produces an effect, safety during use can be enhanced.

That is, the fixed shaft 41 of the driver 40 is inserted into the hollow portion 11 of the grip 10. Tighten the chuck 20 with the upper end of the driver 40 positioned near the opening of the grip 10. By this operation, the driver 40 is fixed to the grip. The screw hole 42 at the tip of the driver 40 and the hole 45 of the cutter 44 are aligned and tightened with a screw 43 to fix the cutter 44 to the tip of the driver 40.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a handle of a tool according to an embodiment of the present invention.

FIG. 2 is a schematic perspective view showing a handle of a tool according to an embodiment of the present invention;

FIG. 3 is a side view showing a handle of the tool according to the embodiment of the present invention;

FIG. 4 is a side view showing the handle of the tool according to the embodiment of the present invention;

FIG. 5 is a side view showing the handle of the tool according to the embodiment of the present invention;

FIG. 6 is a side view showing a tool handle according to an embodiment of the present invention;

FIG. 7 is a side view showing the cutter of the tool according to the embodiment of the present invention;

FIG. 8 is a side view showing the cutter of the tool according to the embodiment of the present invention;

FIG. 9 is a side view showing the cutter of the tool according to the embodiment of the present invention;

FIG. 10 is a side view showing the cutter of the tool according to the embodiment of the present invention;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Grip 11 Hollow part 12 Male screw 13 Bevel 14 Groove 20 Chuck 21 Female screw 22 Hole 30, 40 Driver 31, 41 Fixed shaft 32 Head 33, 42 Screw hole 34 Stop screw 43 Screw 44 Cutter 45 Hole

Claims (2)

[Utility model registration claims] 1. A hollow portion having an inner diameter exactly matching the outer diameter of a fixed shaft of a driver of various types is provided inside, and a male screw is formed at an upper portion outside the opening. The upper end of the screw is provided with a tapered bevel, and a grip formed in an elongated cylindrical shape with a bottom is provided with a slight vertical groove around the male screw forming portion from the bevel. And a female screw which can be fastened to a male screw provided in the grip on the inner side, and an upper opening of the female screw is a cylindrical chuck in which a fixed shaft insertion hole of a driver is opened. The structure of the handle of the tool, characterized in that the fixed shaft can be tightened and the device can be tightened regardless of whether the driver is turned forward or backward. 2. The screwdriver is provided with a screw hole at the center of an end of a fixed shaft, and the screw hole is a screwdriver which is capable of replacing various types of cutters provided with stop holes using set screws. The structure of the handle of the tool according to claim 1, wherein the structure is provided.