CN1705539A

CN1705539A - Portable electric tool with hanging hook

Info

Publication number: CN1705539A
Application number: CN 200380101889
Authority: CN
Inventors: 松本宏司
Original assignee: Matsushita Electric Works Ltd
Current assignee: Panasonic Electric Works Co Ltd
Priority date: 2002-11-26
Filing date: 2003-11-25
Publication date: 2005-12-07
Anticipated expiration: 2023-11-25
Also published as: AU2003284667A1; CN100379527C; WO2004048046A1; JP2004174647A; JP3918723B2

Abstract

A portable electric tool is provided with a hanging hook, with which the tool is hanged on a waist belt etc. of a user. A battery holder for receiving a battery pack is formed at the lower end of a handgrip of the electric tool. The hanging hook is attached to the tool so as to be rotatable about a support shaft, where the attachment is made through a bearing formed in the vicinity of the battery holder. The hanging hook is selectively moved with clicks to one of angular positions around the shaft. The entire hanging hook is within the width dimension of the battery holder at whichever angular position the hanging hook is retained. Therefore, when the electric tool is dropped, falling on the ground with the hanging hook first is avoided so that the hanging hook can be protected from breakage.

Description

Have the movable electric tool of hook

Technical field

The present invention relates to have the movable electric tool that is used to be suspended on the hook on user's waistband etc.

Background technology

The open communique 2002-254358 of Japan's special permission discloses the movable electric tool that has hook.This movable electric tool is installed battery component at the large-sized battery seat that the lower end of handle forms, can rotate maintenance freely on the bearing that the part of large-sized battery seat forms links up with, axial any angular position at bearing keeps hook, can electric tool be hung on the waistband with the angle that the user likes.

, this is linked up with when arbitrary angle position, gives prominence to also bigger from the amplitude of battery tray and the amplitude of battery component.Therefore, not only make all amplitude sizes of electric tool become big by hook is set, and when electric tool falls, have instrument hook elder generation and ground etc. to collide and the damaged high problem of possibility.

Summary of the invention

The present invention develops in order to overcome the problems referred to above, although its purpose is to provide a kind of hook that appends, also electric tool integral body is housed in the small size, even the while also can be protected the not damaged electric tool of hook when electric tool falls.

The movable electric tool of band of the present invention hook has the housing of built-in motor.Housing has maintenance by the chuck of electric motor driven tool bit.The handle that the user controls extends from housing, with the housing opposition side form the battery tray of amplitude broad in handle one end.The battery component that this battery tray maintenance is switched on to motor has along the axle of relative handle crisscross amplitude and length, and the amplitude of battery component is below the amplitude of this battery tray.Hook is used to keep electric tool, by the bearing support.Bearing is formed near the also fulcrum of length direction one end of the battery tray of amplitude broad and supports hook freely, hook can rotate freely around the axle of the amplitude direction of above-mentioned battery tray thus, one of these axial a plurality of angle positions optionally ratchet move.

Characteristic of the present invention is also hook all can be housed in the amplitude size of above-mentioned battery tray when hook is maintained at the unspecified angle position.According to this feature, although additional hook does not increase all amplitude sizes of electric tool, electric tool can not only be processed into compactness, and when electric tool falls, avoid only linking up with collisions such as elder generation and ground, the advantage that can protect hook not damaged is provided.

A plurality of angle positions preferably comprise hook in conjunction with the stop position that is fixed on the battery tray.This stop position is the position of using when not using electric tool, can make hook not cause accommodating electric tool with hindering.Therefore, use the environment of electric tool, the instrument battery tray can be moved to other positions from this stop position, but at this moment the possibility that falls of electric tool mistake is also maximum in reality.Just in case electric tool falls, even the situation that collide on instrument battery tray elder generation and ground because the instrument battery tray is fixed on the battery tray in the stop position combination, so avoid impact only to concentrate on the instrument battery tray, can prevent the breakage of instrument battery tray.

Bearing block preferably along the direction of principal axis of handle, is formed on vertical end of battery tray above battery component, therefore, hook and battery component are not interfered.

In preferred embodiment, hook is configured to by axial region with from this extended of axial region one end.Bearing when accommodating the department of axial region and this axial region constitute ratchet mechanism jointly.By this ratchet mechanism, hook can not expose from bearing block, can carry out ratchet to other angle positions from certain angle position and move, and only the part of hook can be outstanding from the amplitude of above-mentioned battery tray during ratchet moves simultaneously.Owing to have this feature, can hook not exposed from bearing, the ratchet that carries out freely moves, and one side also can be located at the outermost locations of the scope that is no more than battery tray amplitude direction when hook is still in the predetermined angular position.

Description of drawings

Fig. 1 is the stereogram of the movable electric tool of expression most preferred embodiment of the present invention.

Fig. 2 is the front view of the action of the hook that has of this electric tool of explanation.

Fig. 3 is a part of otch vertical view of this electric tool.

Fig. 4 is the exploded perspective view of mounting portion of the hook of the same electric tool of expression.

Fig. 5 is the profile of the mounting portion of the same hook of expression.

Fig. 6 is the exploded perspective view of the mounting portion of the same hook of expression.

The specific embodiment

As shown in Figures 1 and 2, the movable electric tool of most preferred embodiment of the present invention has: the housing 10 that chuck 20 is arranged at front end; The whole downwards extended handle 30 from the rear end of housing 10; Mounting or dismounting remain on the battery component 90 of handle 30 lower ends freely.Adorned the motor (not shown) that is used to drive by the such tool bit of the driving drill bit of chuck 20 maintenances in housing 10, this motor is accepted to rotate from the electricity of battery component 90 supplies.Handle 30 is held by user's handgrip, and near the switch 12 of operative configuration handle 30 upper ends carries out the switch of motor.Can install and remove the battery tray 40 that battery component 90 is installed freely in the formation of the lower end of handle 30.The slightly hook 60 of L type is set in the lower end of handle 30, electric tool can be suspended on user's waistband etc. with this hook.

Battery tray 40 forms the diameter bigger than handle 30, is the roughly the same shape of size (amplitude and length) with battery component 90, cover battery component 90 above.As shown in Figure 3, battery tray 40 have along and the axle of the handle 30 slightly amplitude (W) and the length (L) of the direction of quadrature, this amplitude (W) and length (L) set for the amplitude of battery component 90 and length about equally.Battery component 90 by the button 92 of operation setting in the side, makes pawl (not shown) mounting or dismounting of giving prominence on battery component 90 combine fixing in the hole (not shown) below being arranged on battery tray 40 freely with a plurality of rechargeable battery collections in the enclosure.

In rear end, form the bearing 50 that pivot suspension is linked up with 60 usefulness along the length direction of battery 40.Housing 10, handle 30 and bearing 50 hard plastics global formation.Hook 60 by the axial region 70 that remains on bearing 50 and from an end of this axial region 70 slightly the extended support 80 in right angle forms, around the central shaft of bearing 50, in predetermined angular scope shown in Figure 2, rotate freely.

As shown in Figure 4, bearing 50 is cylinders that the axis hole 51 of the axial region 50 of collecting hook 60 is arranged, and the direction of principal axis of axis hole 51 is consistent with amplitude (W) direction of battery tray 40.The axial region 70 of hook 60 is made of from the outstanding metal bolts 76 of the front end of rotating shaft 72 rotating shaft 72, the big footpath base ring 74 that forms around the root of this rotating shaft 72 and a part.Circumferentia at base ring 74 front ends forms the radial tooth of along the circumferential direction arranging 75.Leading to axial rib 77 gives prominence on the part of base ring 74 peripheries.

As Fig. 5 and shown in Figure 6, bearing 50 is that the central authorities with battery tray 40 amplitude directions are the symmetrical structure of basic point, from about either direction also hook 60 axial region 70 can be installed on the bearing 50, as required, also the arm 80 of hook 60 can be configured in the either direction of battery tray about 40.Form the dead eye 52 that rotating shaft 72 rotations of hook 60 cooperate freely at the central portion of bearing 50, about dead eye 52, form and to rotate the end hole 54 of collecting base ring 74 freely, the ring-type segment difference section that forms between end hole 54 and dead eye 52 forms the radial tooth 55 that meshes usefulness with the preceding end tooth 75 of base ring 74.

Hook 60 metal bolts 76 is given prominence in bearing 50 outsides, by clamping with the nut 101 that is arranged on cap 100, to bearing 50, be that handle 30 is installed hook 60.Form the groove 102 of collection rotation aids such as embossing at the outer surface of cap 100.Make the mounting or dismounting of cap 100 easy.In the end hole 54 of not collecting base ring 74, around rotating shaft 72, dispose helical spring 104, by between the periphery of cap 100 and dead eye 52, compressing, axially laterally cap 100 is applied spring force, be collected in the tooth 75 and dead eye 52 tooth 55 engagement on every side of the base ring 74 of another end hole 54 by this spring force maintenance.These

teeth

75,55 between the two relative revolving force do the time spent, the top that becomes a tooth can be sitting in the such shape in top of another tooth, common spring force with helical spring 104 keeps the engagement between these

teeth

75,55, hook 60 is remained on the angle position of regulation.Make axial region 70 force rotation if apply strong external force at arm 80, the spring force of resistance helical spring 104 can unload the engagement of

tooth

75,55, and hook 60 is moved to other angle ratchets, when external force is removed in this position, will link up with 60 with the spring force of helical spring 104 and remain on new angle position.

Like this, axial region 70, bearing 50 and helical spring 104 with hook 60, to link up with 60 moves to another angle position ratchet from an angle, and remain on the ratchet mechanism of this angle position after constitute moving, when ratchet moves, because axial region 70 only a little axially moves, promptly only move and unload the top of

lower tooth

55,75 and the less distance of top combination, remaining, as illustrated in fig. 2, link up with 60 angle adjustment with hook 60 states that are installed on the bearing 50.

Hook 60, as shown in Figure 2, can be only from arm 80 in conjunction be fixed on the battery tray 40 stop position P1 to arm 80 not and the maximum that repeats of handle 30 stand up that about 90 ° angular range ratchet moves the P2 of position.For this purpose, give prominence to end hole 54 in combine fixedly the brake 57 of usefulness at the rib 77 that forms on the base ring 74, forbid linking up with 60 and rotate above above-mentioned angular range.

Be maintained at the state of unspecified angle position at hook 60, as shown in Figure 3, hook 60 all is collected in the amplitude (W) of battery tray 40, outstanding unlike battery tray 40, from an angle position when another angle position ratchet moves, along the direction of principal axis of axial region 70 only axle move less distance, only the amplitude (W) from battery tray 40 is a little outstanding, but this state is in an instant, and hook 60 all is collected in the amplitude of battery tray 40 when reality is used.The stop position of hook 60 is the use locations in order not hinder keeping to collect electric tool, in this position, the part of hook 60 arm 80 and battery tray 40 top parts contact, become the state of supporting with battery tray 40, fall and apply when impacting at this state electric tool linking up with 60, can accept a part of impacting with battery tray 40, impact not only concentrating on hook 60, be formed with non-slip process 82 at the medial surface of the arm 80 of hook 60.

The left and right sides that illustrated embodiment is illustrated in the amplitude direction of battery tray 40 is provided with the example of projection 42, but the present invention is not limited to this example, also is suitable for the battery tray that does not have projection.As the flat shape of battery tray, except illustrated square, the shape according to the battery component that uses can be suitable for various shapes.

As representing with the foregoing description, hook 60 is not taken out ground moves usefulness to other angle position ratchets from an angle position ratchet mechanism from bearing 50, being useful feature aspect the use movable electric tool, can independently be implemented in all features of collecting hook 60 in amplitude (W) size of battery tray 40.

Claims

1 one kinds of movable electric tools is characterized in that, have following formation:

Housing, this housing built-in motor has maintenance by the chuck of electric motor driven tool bit;

Handle, this handle extends from above-mentioned housing, holds with user's handgrip;

The battery tray of wide cut degree, this battery tray is formed on handle one end with the housing opposition side, keep up and state the battery component that motor is switched on, this battery tray has along amplitude and the length crisscross with the axle of above-mentioned handle, the amplitude of above-mentioned battery component is below the amplitude of the battery tray of this wide cut degree

Hook, this hook keeps electric tool,

Bearing, this bearing is formed near length direction one end of above-mentioned battery tray, supports above-mentioned hook with any fulcrum, and hook can rotated freely around the axle of the amplitude direction of above-mentioned battery tray, optionally ratchet is displaced into a position of above-mentioned axial a plurality of angle positions

Characteristic is that in the occasion that above-mentioned hook is remained on above-mentioned unspecified angle position, hook all is housed in the amplitude size of above-mentioned battery tray.

2 electric tools as claimed in claim 1 is characterized in that, above-mentioned a plurality of angle positions comprise above-mentioned hook in conjunction with the stop position that is fixed on the above-mentioned battery tray.

3 electric tools as claimed in claim 1 is characterized in that, above-mentioned bearing block is formed on an end of the length direction of battery tray along the direction of principal axis of above-mentioned handle above above-mentioned battery component.

4 electric tools as claimed in claim 1 is characterized in that,

Above-mentioned hook constitutes by axial region with from the extended arm of an end of this axial region,

Above-mentioned bearing is accommodated above-mentioned axial region, constitutes ratchet mechanism jointly with this axial region simultaneously,

By this ratchet mechanism above-mentioned hook is not exposed from bearing block, and can move from certain angle position to other angle position ratchets, only the part of above-mentioned hook can be outstanding from the amplitude of above-mentioned battery tray during ratchet moves simultaneously.