JP2010023132A - Extension handle for water-proof type orbital sander - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an extension handle for a water-proof type orbital sander enabling a worker to perform standing work by easily mounting/removing it to/from a compact sander for a floor excellent in portability and capable of outstandingly reducing fatigue burden of the worker by providing working attitude suitable for the worker according to a working field. <P>SOLUTION: The extension handle for the water-proof type orbital sander body has an eccentric rotation mechanism; and a polishing part provided on the eccentric rotation mechanism and performing eccentric rotation, i.e., orbital motion. The extension handle is constituted by a cover part engaged with the water-proof type orbital sander body at one end; an extension shaft part extended from the cover part in an opposite direction to the water-proof type orbital sander body; and a gripping part arranged in an approximately perpendicular direction or a linear shape at the other end of the extension shaft part making the extension shaft part as a center and held by both right and left hands of a user. The cover part has a fixing mechanism part which makes the extension handle attachable/detachable to/from the water-proof type orbital sander body. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention peels off aged wax applied to flooring materials such as flooring using a chemical such as a strong alkaline aqueous solution, or removes scales from bathrooms, automobile window glass, mirrors, etc. It is related with the extension handle of the waterproof type cordless orbital sander which polishes and removes efficiently.

A large pusher-integrated polishing machine is known as a machine for removing wax applied to a floor surface. (Patent Document 1) (Patent Document 2) (Patent Document 3)

A small orbital sander driven by a DC power source is also known. (Patent Document 4)
Japanese Utility Model Publication No. 6-66946 JP 2004-216470 A JP 2007-175501 A Japanese Patent Application No. 2008-126510

  Patent Literature 1, Patent Literature 2, and Patent Literature 3 The floor polishing machine has a large main body and cannot be used in a narrow place or a staircase.

  Although the small orbital sander shown in Patent Document 4 is a polishing machine that compensates for the drawbacks of Patent Document 1, Patent Document 2, and Patent Document 3, it is suitable for polishing work in narrow places or stairs, This was a limited effect in reducing the fatigue burden on the operator.

  In view of the above situation, the present invention is capable of standing work by simply attaching and detaching to a floor compact grinder with excellent portability, and is suitable for workers depending on the work site. It is an object of the present invention to provide an extended handle for a waterproof orbital sander that can significantly reduce a worker's fatigue burden by providing a posture.

  In order to achieve the above object, the invention according to claim 1 is an extension handle for a waterproof orbital sander body having an eccentric rotation mechanism and a polishing portion laid on the eccentric rotation mechanism and performing an eccentric rotation so-called orbital motion. A cover portion that engages with the waterproof orbital sander body at one end, an extension shaft portion that extends from the cover portion in a direction opposite to the waterproof orbital sander body, and at the other end of the extension shaft portion It consists of a grip part that is held by the user with both left and right hands arranged in a substantially right angle or straight line with the extension shaft as the center, and the cover part has a fixing mechanism part that is detachable from the waterproof orbital sander body. It is an extension handle of the waterproof orbital sander characterized by having.

  The invention which concerns on Claim 2 has a cover part which has a convex part or a recessed part distribute | arranged facing the recessed part or convex part of a waterproof type orbital sander main body, and attaches the said recessed part or convex part, and the said convex part or recessed part at the time of attachment The waterproof orbital sander extension handle according to claim 1, wherein the waterproof orbital sander body can be attached to a predetermined position of the waterproof orbital sander body.

  The invention according to claim 3 is a waterproof orbital sander main body having a power switch circuit for driving the main body disposed in the main body and a connection terminal portion disposed in parallel with the power switch circuit in electrical circuit, and the connection A cover portion having a connection portion electrically connected to the terminal portion in a contact or non-contact manner; an extension shaft portion having an extension cord electrically connected to the connection terminal portion; and a slide or push The gripping part having a push or toggle type switch, and the waterproof orbital sander body is activated and stopped by operating the slide or push push or toggle type switch. It is an extension handle of the waterproof orbital sander described in 1.

According to a fourth aspect of the present invention, there is provided a waterproof orbital sander main body having a power switch circuit for driving a main body disposed in the main body, and a non-contact proximity switch disposed in parallel with the power switch circuit in electrical circuit, A cover portion having a driving piece that is disposed opposite to the non-contact type proximity switch and that electrically turns the proximity switch ON / OFF, and an extension shaft portion having an extension cord that moves the driving piece, It is composed of a grip part having a slide or push-push or toggle type knob part, and it is close to the non-contact type proximity switch by operating the slide piece or push-push or toggle type knob part. The waterproof orbital sander body is started and stopped by separating the main body and the waterproof orbital sander body. It is an extension handle of a water-orbital Sander.

  According to the invention of claim 1, the following effects can be obtained. First, it can fix to a main body with the fixing mechanism part of the main body cover part of an extension handle with respect to a small waterproof orbital sander.

  A grip part that protrudes in two directions around the extension shaft is provided at the tip of the extension handle, so that the operator can support the waterproof orbital sander that rotates eccentrically with both left and right hands. It becomes.

  Thereby, the worker can stand, and it is not necessary to bend or work with the middle waist, and the burden on the worker can be reduced.

In addition, at work sites with steps such as stairs, the extension handle can be separated from the waterproof orbital sander body by removing the fixing mechanism, and the portability of the body can be maximized. .

    According to the second aspect of the present invention, for example, the cover portion has a convex boss or the like that is fitted into the concave portion with respect to the concave portion such as a plurality of screw insertion portions that fix the cabinet of the waterproof orbital sander body. For this reason, the relative position can be easily regulated and the rotation can be stopped, and reliable fixing properties can be obtained.

  According to the invention of claim 3, the grip portion has the switch portion electrically connected in parallel with the power switch of the waterproof orbital sander body, and operates the switch portion even while standing. This makes it possible to operate the waterproof orbital sander body.

According to the fourth aspect of the present invention, the waterproof orbital sander main body is provided with the non-contact type proximity switch, and the power supply can be turned ON / OFF by approaching and separating the magnetic material such as metal.

  The switch part of the grip part is arranged on the part of the cover part that faces the non-contact proximity switch by arranging a magnetic material such as a metal that moves close and separate in conjunction with the switching operation of the knob part of the grip part. With this operation, the waterproof orbital sander body can be started and stopped.

If it is this structure, it will become an extension handle which has a remote control switch which does not impair the waterproofness of a waterproof type orbital sander main body.

  The extension handle of this waterproof cordless orbital sander can be used to peel off the aged wax applied to flooring materials such as flooring with chemicals such as aqueous solutions of strong alkali, and in bathrooms, automobile window glass, mirrors, etc. This is a type of extended handle that improves the workability of a small waterproof cordless orbital sander whose main purpose is to efficiently remove the scale using a solution such as a release material. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1 and 2 are perspective views of a waterproof cordless orbital sander main body to which an extension handle according to the present embodiment is attached, and FIG. 3 is a perspective view of the extension handle according to the present embodiment.
As shown in FIGS. 1 and 2, the waterproof cordless orbital sander body (1) has a holding part (2), a polishing part (3), a built-in power supply (not shown), and a DC motor (not shown). And a power switch (4) provided in the holding part (2).

A plurality of screws (5) for assembling the casing of the waterproof cordless orbital sander main body (1) are fastened and fixed to the upper surface of the holding portion (2) so that the screws (5) do not touch the operator's hand. It arrange | positions in a recessed part (6).

As shown in FIG. 3, one end of the extension handle (7) is supported with respect to the cover (8) and the cover (8) configured to cover the holding part (2) of the waterproof cordless orbital sander body (3). It has a lock member (11) having a nut (10) held rotatably about a shaft (9), and bosses (12) and (13) that engage with a recess (6) on the inner surface.

    There is a bearing portion (15) for inserting and fixing an extension portion (14) made of an aluminum material on the opposite surface of the lock member (11) of the cover (8), and an extension portion (14 The grip 1 (16) and the grip 2 (18) extended in a direction substantially perpendicular to the center are fastened and fixed by a screw (19).

  The grip 1 (16) incorporates a push-type switch (not shown), and the switch can be switched ON / OFF by pressing the knob (20).

  A plurality of electric wires (21) electrically connected to the switch are arranged in the extension portion (14), and connector terminals (22) extend from the inner surface of the cover (7) to the multi-ends of the electric wires (21). ing.

  A terminal portion (23) covered with a waterproof cap (not shown) is provided near the fixing portion of the cover (7) of the waterproof cordless orbital sander body (1), and the connector terminal (22) is connected to the terminal portion. By connecting to (23), it is electrically connected in parallel with the power switch (4) of the waterproof cordless orbital sander body (1).

  FIG. 4 is a perspective view of the waterproof cordless orbital sander body (1) fixed to the extension handle (7) with screws (25).

  When the extension handle (7) is not attached to the waterproof cordless orbital sander body (1), the waterproof function is maintained by closing the terminal portion (23) with a waterproof cap.

  The terminal portion (23) is made of a non-contact type proximity switch (not shown), the connector terminal (22) is made of a magnetic material such as metal (not shown), and the electric wire (21) is made of a coil spring and a cord. The magnetic material is made close to and away from the non-contact type proximity switch by operating a knob (20) which is composed of a remote cord (not shown) and is provided on the grip 1 (16). In fact, the same operation can be obtained for starting and stopping the waterproof cordless orbital sander body (1).

With this configuration, the extension handle (7) can be used without being attached to the waterproof cordless orbital sander body (1) in work environments with elevation differences such as stairs, and the extension handle ( By attaching 7), since the worker does not work by bending the knee, the work can be performed without pain.

Further, by operating the switch at hand, the power supply of the waterproof cordless orbital sander body (1) can be easily turned ON / OFF.

, It is a perspective view of the apparatus main body which shows the outline | summary of the waterproof type cordless orbital sander to which the extension handle which concerns on this implementation is attached. It is a perspective view of the extension handle of the waterproof cordless orbital sander according to the present embodiment. Partial view of the extension handle cover Enlarged view of the grip part of the extension handle It is a perspective view of the upper body which attached the present Example extension handle to the waterproof type cordless orbital sander main part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Waterproof orbital sander main body 2 Holding part 4 Main body power switch 6 Recessed part 7 Extension handle 8 Cover part 9 Extension shaft 11 Lock member 12, 13 Boss 14 Extension part 15 Bearing part 16, 18 Grip 19 Screw 20 Knob 21 Electric wire 22 Connector terminal 23 Terminal 24 Power switch

Claims (4)

  An extension handle for a waterproof orbital sander body having an eccentric rotation mechanism and a polishing portion laid on the eccentric rotation mechanism and performing eccentric rotation so-called orbital movement, and engages the waterproof orbital sander body at one end. A cover portion, an extension shaft portion extending from the cover portion in a direction opposite to the waterproof orbital sander main body, and the other end of the extension shaft portion arranged in a substantially right angle or straight line with the extension shaft portion as a center. An extension handle for a waterproof orbital sander, comprising: a grip portion that the user holds with both left and right hands, wherein the cover portion has a fixing mechanism portion that is detachable from the waterproof orbital sander body. A waterproof orbital sander body has a cover part having a convex part or a concave part facing the concave part or convex part of the main body, and the waterproof part is formed by engaging the concave part or convex part with the convex part or concave part during mounting. The extension handle of the waterproof orbital sander according to claim 1, characterized in that it can be attached to a predetermined position of the orbital sander body. A waterproof orbital sander body having a power switch circuit for driving the main body disposed in the main body and a connection terminal portion arranged in parallel with the power switch circuit in electrical circuit; and contact or non-contact with the connection terminal portion A cover portion having a connection portion electrically connected to the contact; an extension shaft portion having an extension cord electrically connected to the connection terminal portion; and a slide, push-push, or toggle type switch. The waterproof orbital sander according to claim 1, wherein the waterproof orbital sander body is configured to start and stop by operating the slide or push-push or toggle type switch. Extension handle.   A waterproof orbital sander body having a power switch circuit for driving a main body disposed in the main body and a non-contact type proximity switch arranged in parallel with the power switch circuit in an electric circuit, and the non-contact type proximity switch The proximity switch and a cover portion having a drive piece that is electrically turned ON / OFF, an extension shaft portion having an extension cord that can move the drive piece, and a slide or push-push or toggle type A waterproof orbital comprising a grip portion having a knob portion, and by moving the drive piece by sliding or push-pushing or operating a toggle-type knob portion so that the non-contact type proximity switch is moved close to and away from the non-contact type proximity switch. The waterproof orbital sander according to claim 1 or 2, wherein the sander main body is started and stopped. Extension handle.

Images