JPH0674282U - Drive motor for portable power tools - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention intends to engage a drive motor of a portable power tool such as a pistol type impact driver accurately and surely with respect to an operator so as to hold it safely. [Structure] The base portion 5 ₃ of the U-shaped hook body 5 is attached to the reinforcing rib 4 ₁ of the battery compartment 4 of the drive motor 3, and the hook portion 5 ₂ of the hook body 5 faces the side of the battery compartment 4 facing the operator A's body. outwardly projecting, yet the hook portion 5 ₂ and the reinforcing ribs 4 ₁ of the battery chamber of Kagitai 5 the distance between the side surfaces of the 4 hook tip 5 ₁ in a wide base 5 ₃ side is narrower battery compartment 4 It is fixed with a stopper 6.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a drive motor for driving a portable electric tool such as a driver bit, a drill bit and a wrench socket.

[0002]

[Prior art]

 A hand-held drive motor that drives a recent electric tool has good workability because it has a built-in battery inside the body, and because it is close to the worker during work and responds quickly to work, I tied a string and hung it around the worker's body.

[0003]

[Problems to be solved by the device]

 The conventional means for attaching the drive motor to the operator is to tie the cord to the drive motor as described above, and the operator hangs and holds the cord on his / her body. It is difficult to handle because the drive motor hangs around because it cannot be attached to the machine, and there is a problem in work safety. In view of the above, the present invention aims to enable the drive motor to be fitted exactly to the fixed position of the operator.

[0004]

[Means for Solving the Problems]

Since this invention is to achieve the above object, has a supporting receiving 2 to支受the shank of the tool to the drive shaft 1, the battery chamber 4 of the drive motor 3 with a battery chamber 4 to the lower handle 3 _1, hook above 5 ₁ provided hook member 5 upward facing direction of the power unit 3 _2, established the Kagi受7 or belt hooking this Kagitai 5 to waist belt of the operator a, the Kagi受7 The hook body 5 is engaged with the drive motor 3 so that the drive motor 3 can be attached safely and accurately to a predetermined position of the operator.

Furthermore this Kagitai 5, the reinforcing ribs 4 ₁ provided on the front or rear of the battery compartment 4, when the driving motor Ta 3 hanging the body of the operator, the left of the battery chamber 4 facing the body or in which hook portion 5 ₂ to the outside of the right side portion is the base 5 ₃ wearing engagement detachable against the reinforcing ribs 4 ₁ stopper 6 such as screws so as to protrude.

[0006] In Kagitai 5 is obtained by narrowing widely base 5 ₄ side interval Kagisaki 5 ₁ side of the hook portion 5 ₂ and the battery compartment 4.

[0007]

[Action]

When the drive motor 3 is not in use, it can be quickly attached to the body of the operator to remove it from the body when it is necessary to clean it up and to respond quickly to the work. The drive motor 3 can be fixedly engaged with the operator's body by engaging the hook body 5 provided on the drive motor 3 with the belt of the worker A's body or the hook receiver 7 provided on the belt. The shape of the drive motor 3 is a battery compartment such that the side surfaces of the case where the driving motor 3 power section 3 ₂ to give the body so because those long in the axial direction of the drive shaft 1 is in contact with the body in a Ryakui shape as shown in FIG. 3 hook portion 5 ₂ of Kagitai 5 provided in the 4 can worn on the body without being bulky in Rukoto protrudes on the side outward of the battery compartment 4. The Kagitai 5 drive motor 3 without requiring reinforcement device such special jig when further engaged with the reinforcing ribs 4 ₁ Kagitai 5 Kagitai 5 drive motor 3 when engaged to the battery compartment 4 Can be installed. Battery compartment 4 is Kagitai 5 provided in this order on the lower handle 3 ₁ can be lifting grip without hindrance operator to handle 3 ₁ upon work. Note When the Kagitai 5 provided detachable with respect to the drive motor 3, it is possible to change the hook portion 5 ₂ of orientation Kagitai 5. That is, when hanging at the right hip of the operator A, in the case of suspending the left hip, and freely necessary on detachment to change the orientation of the hook portion 5 _2, as hanging direction of the drive motor 3 is always oriented a certain direction The hook body 5 can be removed when it is not needed.

[0008] widening the hook tip 5 ₁ side interval of hook portion 5 ₂ between the hook portion 5 ₂ and the battery chamber 4 of Kagitai 5 keep narrow the base 5 ₃ side, the operator's waist like spacing, narrow portion between the hook member 5 is base 5 ₃ side and the battery chamber 4 of the engaging then hook portion 5 ₂ belt like waist when hanging the stable holding by pinching strong belt .

[0009]

【Example】

An embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a perspective view of a drive motor called a pistol type impact driver having a built-in battery, and 1 is a drive shaft of a power unit 3 ₂ of the drive motor 3. At the tip thereof, there is provided a support portion 2 composed of a chuck for detachably supporting a rotary working tool such as a driver bit. 3 ₁ is a handle which projects downwardly into the lower portion of the dynamic force portion 3 _2, 4 in the battery chamber holding a battery 8 for operating the drive motor 3 is provided in the lower part of the handle 3 _1. In the embodiment, the battery 8 is of a rechargeable nickel-cadmium type and is detachably attached to the battery chamber 8. Reference numeral 9 is a switch for starting and stopping the drive motor 3, and this switch 9 is provided with a control device for adjusting the rotation speed of the drive motor 3. 4 ₁ In the reinforcing ribs for the maintaining the strength of the battery compartment 4, in the embodiment are projecting outward of the battery chamber 4 to the lower end portion of the rear portion of the battery compartment 4. This reinforcing ribs 4 ₁ is provided at the rear of the electric Ikeshitsu 4 in the Examples, may be provided in front of the other battery chamber 4, as long as the strength of the short electric Ikeshitsu 4 can keep Good. Reference numeral 10 is a stopper for fixing the battery 8 provided in the battery chamber 4 to the battery chamber 4.

[0010] 5 in the hook of U-shaped, the power unit 3 ₂ side of the battery chamber 4 in Kagitai 5 drive motor 3, in the figure in the upward, moreover hook portion 5 ₂ of the hook body 5 is battery chamber 4 also viewed from the rear of the left protruding outward, hook portion 5 and the spacing of the battery compartment 4 is hooked tip 5 ₁ widely in a state that was made to be narrower at the base 5 ₃ side base ₃ of the battery compartment 4 obtained by freely and fastened removably with screws 11 to the reinforcing ribs 4 ₁ provided in the rear portion, the Kagitai 5 in the embodiment is hung on the right side of the operator's waist as shown in FIG. 3, this the mounting orientation, that hanging on the left side of the waist when fastened to Kagitai 5 to hook portion 5 ₂ to the right as viewed from the rear of the opposite direction, i.e. the battery compartment 4 projects into the reinforcing ribs 4 ₁ and the be able to. Note reinforcing ribs 4 ₁ may be one although the embodiment is provided on the rear portion of the battery compartment 4 provided on the front side, short left or right side of the drive motor 3 is facing the hip of the operator It is enough if you can hang it. Further, in the embodiment, in order to suspend the drive motor 3 on the waist of the worker, a hook 7 may be provided on the belt B as shown in FIG. 3, and the hook body 5 may be engaged with the hook 7. When the drive motor 3 is suspended by the hook 7 of the belt B, the drive motor 3 can be easily attached to and detached from the waist, and particularly the operation of suspending the drive motor 3 on the waist can be facilitated.

[0011]

[Effect of device]

 According to the invention as set forth in claim 1, when the drive motor 3 is not used during the work, it is better to hang the drive motor on the waist of the worker for better cleaning, and for stable hanging, work at a high place. It is suitable for work in places with poor footing, and can be taken out to a quick seat when needed. Moreover, even when used in good working conditions other than the bad working conditions as described above, it is convenient to use, just as it is in places with bad working conditions.

[0012] According to the invention of claim 2, wherein, Kagitai 5 is not combined directly engaged to its base 5 ₂ in the battery compartment 4, engaging both because it is engaged with the reinforcing ribs 4 ₁ for reinforcing the battery compartment 4 When the drive motor 3 is suspended, the hook body 5 does not come off from the battery chamber 4 and is safe. Further, by providing the Kagitai 5 into the battery chamber 4 of the lower handle 3 _1, the Saikagi body 5 work skill A to grip the handle 3 ₁ to disturb the operation of the hand gripping the handle 3 ₁ There is no. Further hook portion 5 ₂ of the hook body 5, engaged the Kagitai 5 so as to protrude outward from the side surface of the operator A waist and battery compartment 4 mutually come direction of suspending the drive motor 3 on the reinforcing rib 4 ₁ operation for the dynamic motor 3 driving a easy crossing of hook portion 5 ₂ was that the Kagi受7 of the belt B and the belt B engages the operator a is one that can be quickly. Further, with respect to driving dynamic motor 3, it was engaged wearing a detachable Kagitai 5, can the orientation of the hook portion 5 ₂ so as to always face the same direction, even hanging on the left and right Izure waist of the operator A Even if the drive motor 3 is in either the left or right position, it can be hung without changing the hanging posture.

[0013] According to the invention of claim 3, wherein, when multiplied by the hook member 5 of the drive motor 3 to pivot bracket 12 of the belt B or belt B of the worker A, a hook portion 5 ₂ of Kagitai 5 and this If you leave narrower as moves to wide base 5 ₃ side the spacing between the battery compartment 4 at Kagisaki 5 ₁ side facing, when engaging the Kagitai 5 to Kagi受7 of the belt B or belt B, started over easy, forcibly fitting the Kagi受7 of the after engagement becomes deeper belt B or belt B is sandwiched strongly between the outer surface of the hook portion 5 ₁ and the battery compartment 4 is wide good to engagement spacing In this state, the drive motor 3 can be firmly attached to the waist of the worker, and the drive motor 3 can be safely held without accidentally coming off.

[Brief description of drawings]

FIG. 1 is a perspective view showing a drive motor of a portable electric tool according to an embodiment of the present invention,

FIG. 2 is a partially enlarged view of the battery chamber portion of the present invention seen from the rear thereof,

FIG. 3 is a view showing a usage state of the present invention.

[Explanation of symbols]

1 Drive shaft 2 Support part 3 Drive motor 3 ₁ Handle 3 ₂ Power part 4 Battery compartment 4 ₁ Reinforcing rib 5 Hook body 5 ₁ Hook tip 5 ₂ Hook part 5 ₃ Base 6 Stopper 7 Hook receiver 8 Battery 9 Switch 10 Stop Metal fitting 11 Screw A Worker B Belt

Claims (3)

[Scope of utility model registration request] _1. A hook 5 ₁ is powered by a battery chamber 4 of a drive motor 3 having a support shaft 2 for supporting a shank of a tool on a drive shaft 1 and a battery chamber 4 below a handle 3 _1. drive motor of the portable power tool, characterized in that a hook member 5 upward facing direction parts 3 _2. To 2. A Kagitai 5 the reinforcing ribs 4 ₁ provided on the front or rear of the battery compartment 4, the left or right of the battery chamber 4 facing the body when the drive motor 3 was suspended operator's body _2. The mobile phone according to claim 1, wherein the base portion 5 ₃ is detachably attached to the rib 4 ₁ with a stopper 6 such as a screw so that the hook portion 52 projects to the outside of the side surface portion. Drive motor for electric power tools. 3. A Kagitai 5, wide gap between the hook portion 5 ₂ and the battery chamber 4 in Kagisaki 5 ₁ side, claim 1 or claim 2, wherein the narrowed base portion 5 ₄ side Drive motor for portable electric tools of.