JPS6224975A - Electric type driver - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Ib) Field of the Invention The present invention relates to an electric screwdriver having a bendable handle.

(Cao) Background of the Invention Conventionally, an electric screwdriver such as the one described above has been used by bending the pivot point connecting the driver body and the handle as a fulcrum.

However, with such a bending method, the pivot portion is exposed when folded, spoiling the aesthetic appearance and having low design value. In addition, there is a risk that foreign matter may intervene in the pivot portion and cause damage, and there is also the problem that the pivot portion is easily overloaded by the bending operation and is easily damaged.

1/Field Object of the Invention Therefore, an object of the present invention is to provide an electric screwdriver that can be used by bending the connecting portion between the driver body and the handle without spoiling the appearance.

B) Summary of the Invention This invention enables the driver to be used by setting it in either a columnar shape or an L shape, and the connecting structure between the driver body side and the handle side is not exposed to the outside. The electric screwdriver is characterized in that the bent portions are inclined and face each other as shown in FIG.

...Effects of the Invention According to the present invention, the bending portions of the driver and the handle are rotatably connected with their inclined surfaces facing each other, so that the bending mechanism can be easily adjusted without exposing the connecting portions. can be formed. Therefore, it would be a good idea to create an electric screwdriver with an improved appearance and good design value, but since the bending part rotates while the inclined contact surfaces are in contact, there is a risk of overload during the bending operation. Even in the past, this sloping surface was used to stop the receiver, which served to alleviate the concentration of overload, thereby providing a stable bending operation that protected the internal connections.

Furthermore, since there is no room for external foreign matter to get into the connecting part, smooth rotational operation can always be achieved without interfering with @-operation.

(c) Examples of the invention An embodiment of the present invention will be described in detail below based on the drawings.

The drawing shows a bendable electric screwdriver, which is composed of a columnar driver body 1 having an elliptical cross-section and a columnar handle 2 having the same cross-section as shown in FIG.

The above-mentioned driver body l is equipped with a chuck 3 for attaching and detaching the tool, and is equipped with a forward/reverse switch 4 and a pusher 5.5 for changing the angle at the base end, and a #14 slope 6 on the base end for connecting the handle 2. It is set up in

The above-mentioned handle 2 has one end face formed into an inclined surface 7 for connection with the main body l, and by tilting and rotating the connecting part 8 between these inclined surfaces 6 and 7 as a fulcrum, it forms a columnar shape and an L shape. It can be set in two types of shapes.

As shown in FIGS. 2 and 3, the above-mentioned connecting portion 8 is
A connecting shaft 10 protruding from the center of the sloped surface 7 on the handle side is rotatably fitted into and connected to a connecting hole 9 opened at the center of the sloped surface 6 on the main body side. The peripheral flange 11 at the tip is locked and connected to the inner wall of the connecting hole 9, and a sliding hole penetrating in the short diameter direction of the ellipse is bored in the center of the connecting shaft lO to prevent this sliding movement. has a coil spring field and a pair of sliding pins 14, 1 which are biased outwardly by the coil spring field.
Interpolate 4. Then, an engagement hole 6.15 for engaging the sliding pins 14, 14 is bored in the connecting hole 9 in the short diameter direction of the ellipse of the driver body l corresponding to both opening surfaces of the sliding member. A sliding bottle 14 is provided on the outside of the holes 1fi and 15.
, 14 are fitted with a pusher 5.5 that presses them inward to release the engagement.

The above-mentioned pusher 5 has a central protruding shaft 16 having a letter 1 shape inserted into the retaining hole 6, and a tip enlarged diameter portion η of the protruding shaft 16.
The outer small diameter portion of the engagement hole δ is quickly locked and prevented from coming out, and its length is determined by the length required to disengage the sliding pins 14, 14. It is set up.

Furthermore, protruding pieces 19 and 19 for suppressing guides are provided on both sides of the pusher 5, respectively, and these protruding pieces 19, 19 are provided with protruding pieces 19, 19 for suppressing guides that are engraved correspondingly on both sides of the driver body 1. A stable suppression operation is performed by being auxiliary guided by the recesses 20 and 20, respectively.

The driver main body 1 is divided into right and left parts in the axial direction, and is assembled into an integral body by connecting the connecting parts 2], 2] of the divided surfaces to each other.

In the electric screwdriver constructed in this way, when the main body 1 and the handle 2 form a linear columnar shape with the inclined surfaces 6.7 facing each other as shown in FIG.
are engaged with the engagement holes 6.15, respectively, to lock the rotation of the main body 1 and the handle 2. Next, as shown in FIG. 4G, when setting the driver to the L shape, push down the left and right pushers 5.5 with your fingers from the outside to release the engagement of the sliding pins 14, 14. Rotate the handle 2 by 180 degrees and press the pusher 5.
5 is released and the sliding pins 14 and 14 are respectively engaged with the engagement holes δ and I5 on the opposite side, the driver is moved to the L position.
It exhibits a shape and is locked in the nine-shape position, so it can be used while maintaining this L-shape state.

By repeating the pressing operation of the pusher 5.5 and the operation of rotating the handle 2 by 180 degrees in this way, it can be used in either the columnar or L-shape setting.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a perspective view of an electric screwdriver, FIG. 2 is a vertical cross-sectional view of the main part showing the connecting portion in the column-laying position, and FIG. 3 is the connecting portion. FIG. 4 is a longitudinal sectional side view of the main part showing the L-shaped state of the connecting part. DESCRIPTION OF SYMBOLS 1... Driver body, 2... Handle, 5... Pusher, 6.7... Inclined surface, 8... Connecting part, 9... Connecting hole, 1o... Connecting shaft, Minister...sliding hole, 14...sliding pin, 15...engaging hole.

Claims (1)

[Claims] 1 Consists of a pillar-shaped driver body and a handle that face each other on an inclined surface, with a connecting hole formed on one of the mutually inclined surfaces and a connecting shaft protruding from the other side, so that the screwdriver rotates with the connecting hole and the connecting shaft. A first position where the driver main body and the handle are in a straight line; and a second position bent at a predetermined angle, an engagement hole for engaging the sliding pin is formed on the connecting hole side, and the engagement hole can be pressed from outside. An electric screwdriver consisting of opposing pushers that disengage the sliding pin.