JPH0512059U - Dust-proof electric drill device - Google Patents

Abstract

(57) [Summary] [Structure] The electric drill 1, the suction pipe 3 attached to the casing 11 of the electric drill, the dust collecting bag 4 connected to the rear of the suction pipe 3, and the suction pipe 3. The suction device 5 is provided between the dust bag 4 and the dust bag 4, and the dust collecting pipe 7 is in contact with the body 6 to be punched. Further, the front portion of the suction pipe and the rear portion of the dust collecting pipe 7 are connected to each other so as to be expandable and contractible in the drilling direction. The blade 2 of the drill is configured to make a hole in the object to be drilled through the through hole 72 provided in the dust collecting tube 7. [Effect] When the object to be perforated 6 is perforated by the dustproof electric drill device, the fragments of the end to be perforated 6 generated at this time are collected in the dust collecting tube 7
Is sucked into the prisoner's bag through the suction tube from the through hole provided in. Therefore, the fragments of the body 6 to be perforated are not scattered, and the body 6 to be perforated containing glass fibers can be perforated with a sense of security.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a dustproof electric drill device.

[0002]

[Prior Art]

 Conventionally, an electric drill consists of a drill body and a drill blade.A motor provided inside the drill body rotates the drill blade, and the rotating drill blade makes a hole in the object to be drilled. is there.

[0003]

[Problems to be solved by the device]

 However, in such an electric drill, when a hole is drilled in the body to be drilled, the number of rotations of the drill blade is large, so the fragments of the body to be drilled that have been scraped by the drill blade are scattered around and the electric drill is used. It was inconvenient for the user.

In particular, when the object to be perforated is a substance containing glass fibers, for example, a thermosetting resin foam reinforced with long glass fibers, FRP, etc., the glass fibers are contained in the fragments of the object to be perforated. If the debris adheres to the person who uses the electric drill because it is mixed, there is a problem that small pieces of glass fiber stick into the skin, itching, scattering at the site, and the site becoming dirty.

Therefore, an object of the present invention is to propose a dustproof electric drill device in which fragments of the body to be drilled do not scatter.

[0006]

[Means for Solving the Problems]

 The present invention has been made to solve the above-mentioned problems and achieve the above-mentioned object. An electric drill main body, a suction pipe attached to a casing of the electric drill, and a suction pipe connected to the rear of the suction pipe. The dust collection bag, the suction device provided between the suction pipe and the dust collection bag, and the dust collection pipe that is in contact with the object to be punched, and the front portion of the suction pipe and the rear portion of the dust collection pipe A state in which the dust collection pipe has a through hole that penetrates from one pipe wall to the other pipe wall so that it can be expanded and contracted in the drilling direction of the electric drill, and the dust collection pipe is in contact with the object to be drilled. In this case, the drill blade is designed to make a hole in the object to be drilled through the through hole provided in the dust collecting tube.

Generally, in the present invention, with the dust collecting pipe being in contact with the object to be drilled, the blade of the drill perforates the object to be drilled through the through hole provided in the dust collecting tube. At this time, if there is a gap between the dust collection pipe and the body to be perforated, the suction force of the dust collector provided between the suction pipe and the dust collection bag will be weakened. It is preferable to attach a plate made of an elastic body to the peripheral edge of and to bring the dust collection tube into contact with the object to be perforated via the plate made of an elastic body because this contact portion becomes airtight. ..

[0008]

[Action]

 In the dustproof electric drill device of the present invention, the dust collecting pipe is brought into contact with the object to be drilled, and the blade of the drill rotating by the motor provided in the electric drill body is provided in the dust collecting pipe. Through, to press the object to be punched to make a hole.

At that time, the fragments of the object to be drilled, which are scraped off by the blade of the drill, are collected from the through holes provided in the dust collecting tube by the suction device provided between the suction tube and the dust collecting bag. It is sucked into the dust bag through the dust pipe and suction pipe.

When a hole is drilled in the body to be drilled, the blade of the drill gradually goes deeper into the body to be drilled and abuts on the surface of the body to be drilled and the electric drill body connected to the blade of the drill. The distance between the dust collection pipe and the dust collection pipe gradually decreases, but the rear part of this dust collection pipe and the front part of the suction pipe attached to the casing of the electric drill body are connected to each other in a telescopic direction in the drilling direction of the electric drill. Therefore, the electric drill can be advanced in the direction of the object to be drilled without any trouble.

If a plate body made of an elastic material is attached to the peripheral portion of the through hole through which the drill blade of the dust collecting tube passes, this portion becomes airtight and the suction force of the suction device is not weakened. So effective.

[0012]

【Example】

 Next, an embodiment of the present invention will be described. FIG. 1 shows an embodiment of the present invention, and is an explanatory view showing a state in which a hole is drilled in an object to be drilled by the dustproof electric drill device of the present invention.

In the figure, 1 is an electric drill body, 11 is a casing of the electric drill body 1, 12 is a handle, and 13 is a switch. Reference numeral 2 is a blade of a drill, and the blade 2 of the drill is rotated by a motor installed in a casing 11. This motor can be rotated by pulling the switch 13.

Reference numeral 3 is a suction pipe, and the suction pipe 3 is attached to the casing 11 with a fitting 31. 4 is a dust collecting bag, and this dust collecting bag 4 is connected to the rear of the suction pipe 3.

Reference numeral 5 denotes a suction device, and the suction device 5 is provided between the suction pipe 3 and the dust bag 4. Then, the suction device 5 is operated when the switch 13 is pulled. 6 is a body to be perforated.

Reference numeral 7 denotes a dust collecting pipe, and a rear portion of the dust collecting pipe 7 and a front portion of the suction pipe 3 are connected by a telescopic pipe 9. That is, the expansion tube 9 is provided with a spring 91 therein, and the length of the expansion tube 9 is expandable. By connecting the expansion tube 9 with the expansion tube 9, the rear part of the dust collecting tube 7 and the front part of the suction tube 3 are connected. And are connected so as to be expandable and contractible in the drilling direction of the electric drill body 1.

In this embodiment, the dust collection pipe 7 and the suction pipe 3 are connected to the expansion / contraction pipe 9 so as to be expandable / contractible in the drilling direction. However, any other suitable method may be used. For example, without using the expansion tube 9, the front part of the suction tube 3 is simply inserted into the dust collecting tube 7, and a spring is attached between the dust collecting tube 7 and the suction tube 3. Alternatively, a connection method may be used in which the connection is made so that it can be expanded and contracted in the drilling direction by changing the insertion depth.

The tip of the dust collecting pipe 7 is bent at a substantially right angle so as to come into contact with the body 6 to be perforated. Further, the abutting portion 71 is provided with a through hole 72 penetrating from one pipe wall to the other pipe wall, and the blade 2 of the drill passes through the through hole 72. The tip of the dust collecting tube 7 is covered with a cap 73.

Reference numeral 8 is a plate body made of an elastic body, and the plate body 8 is attached to the peripheral portion of the through hole 71 of the dust collecting tube 7 which is in contact with the body 6 to be perforated. Next, a method of using this dustproof electric drill device will be described.

The tip of the blade 2 of the drill penetrating the through hole 72 is applied to the body 6 to be drilled. Then, the tip portion of the dust collecting tube 7 contacts the surface of the body 6 to be punched with the plate body 8 made of an elastic body interposed therebetween.

When the switch 13 is pulled, the blade 2 of the drill rotates and the suction device 5 operates. Next, the electric drill body 1 is pushed toward the body 6 to be drilled. Then, the blade 2 of the drill enters the body to be drilled 6 while punching a hole, the electric drill body 1 approaches the body to be drilled 6, and the dust collecting tube 7 in contact with the body to be drilled 6 causes the dust collection pipe 7 to contact the body to be drilled. It is pushed toward 1.

When making a hole in the body to be drilled 6 in this way, the dust collecting pipe 7 is pushed toward the electric drill main body 1, and the dust collecting pipe 7 and the suction pipe 3 fixed to the electric drill main body 1. Since they are connected by a telescopic tube 9 so as to be able to expand and contract in the drilling direction, the electric drill body 1 can be advanced toward the body to be drilled 6 without any trouble.

On the other hand, since the suction device 5 is operating, the suction pipe 3, the expansion pipe 9, and the dust collection pipe 7 are emptied, and the air is forced from the through holes 72 provided in the dust collection pipe 7. Well sucked. Since the air is strongly sucked from the through hole 72 of the dust collecting pipe 7 in this manner, the debris generated when the hole 6 is punched is sucked together with the air, and the dust collecting pipe 7 expands and contracts. After passing through the pipe 9 and the suction pipe 3, it enters the dust collecting bag 4.

At this time, a plate member 8 made of an elastic body is provided between the periphery of the through hole 72 of the dust collecting tube 7 and the body 6 to be perforated, and since this portion is airtight, the body 6 to be perforated The generated fragments do not scatter to the outside, and almost all go into the dust collecting tube 7.

In this way, when the dust-proof electric drilling device is used for perforation, the electric drill 1 is pulled and the switch 13 is cut to perforate the body 6 to be perforated.

[0026]

[Effect of the device]

 When the object to be drilled is pierced by the dustproof electric drill device of the present invention, the fragments of the object to be pierced at this time are sucked into the dust collecting bag from the through hole provided in the dust collecting tube through the suction tube. ..

Therefore, the fragments of the object to be perforated do not scatter, and even the object to be perforated containing glass fibers can be perforated with confidence.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an embodiment of the dustproof electric drill of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electric drill main body 11 Casing 12 Handle 13 Switch 2 Electric drill blade 3 Suction tube 4 Dust bag 5 Suction machine 6 Perforated body 7 Dust collection pipe 71 Part that contacts the perforated body 72 Through hole 73 Cap 9 Expansion tube 91 spring

Claims (2)

[Scope of utility model registration request] 1. An electric drill main body, a suction pipe attached to a casing of the electric drill, a dust bag connected to the rear of the suction pipe, and a suction provided between the suction pipe and the dust bag. Machine, and a dust collection tube that comes into contact with the object to be drilled, the front part of the suction tube and the rear part of the dust collection tube are extendably connected in the drilling direction of the electric drill, and one tube is connected to the dust collection tube. There is a through hole penetrating from the wall to the other pipe wall, and with the dust collecting tube in contact with the object to be drilled, the blade of the drill makes a hole in the object to be drilled through the hole provided in the dust collecting tube. A dust-proof electric drill device, which is characterized by being drilled. 2. A plate body made of an elastic body is attached to an outer surface of a peripheral portion of a through hole provided in the dust collection tube, and the dust collection tube is brought into contact with a body to be drilled through the plate body made of the elastic body. The dustproof electric drill device according to claim 1, wherein