JP3241462U - Impact driver aid - Google Patents

Abstract

[PROBLEMS] To provide an impact driver assisting tool capable of preventing screws from being scattered when screws are removed using an impact driver. An impact driver assisting device (1) includes at least a cylindrical mounting portion (10) mounted on the front portion of a body housing (105) of an impact driver (100) and a driver fixed to the mounting portion (10) and attached to the impact driver (100). and a trumpet portion 12 that surrounds the base of the mounting portion 10. The mounting portion 10 has an elastic stretchable portion 10a, and is attached to the main body housing 105 by expanding the stretchable portion 10a to cover the front portion of the main body housing 105. be worn. [Selection drawing] Fig. 2

Description

The present invention relates to an impact driver aid that can be attached to an impact driver.

A screwdriver is used as a tool for attaching and removing screws. Further, conventionally, an auxiliary tool attached to a driver has been proposed in order to improve workability. For example, Patent Literature 1 discloses a driver illumination device that is detachably attached to the shaft of the driver and that illuminates the vicinity of the tip of the driver.

Japanese Patent Application Laid-Open No. 2008-87111

By the way, in recent years, impact drivers have been used to attach and detach long screws. By using such an impact driver, it has become possible to easily attach and detach long screws.

However, when an impact driver is used to remove a ceiling screw, if the screw is long, there is a risk that the screw will come off the tip of the driver and fall off simply by tilting the driver immediately after removal. In this way, the worker needs to be careful when operating the impact driver so that the screw will not drop immediately after being removed.

The present invention has been devised in view of such problems, and provides an impact driver auxiliary tool that can prevent the removed screws from falling when the screws are removed using an impact driver. intended to provide

In order to achieve the above object, the present invention has the configuration described below.

(1) a cylindrical mounting portion (for example, mounting portion 10) mounted on the front portion of the body housing of the impact driver;
a cylindrical portion (for example, a trumpet portion 12) fixed to the mounting portion and surrounding at least the base of the driver attached to the impact driver;
The mounting part has a stretchable part (for example, a stretchable part 10a), and is mounted on the body housing by expanding the stretchable part and covering the front part of the body housing. impact driver aid.

According to (1), using an impact driver, for example, when attaching or removing screws to the ceiling, by attaching the impact driver aid of the present invention to the impact driver, when removing the screws of the ceiling , the screw can be dropped inside the bugle part. As a result, it is possible to prevent the removed screws from falling on the floor, reducing the chance that the dropped screws will hit the worker or that the worker will step on the screws that have fallen on the floor. It becomes possible to

(2) The impact driver assisting tool according to (1), wherein the cylindrical portion expands like a trumpet toward the tip side of the driver.

According to (2), when removing screws from the ceiling, it is possible to widen the receiving range of the screws that have come off the screwdriver in the cylindrical portion, and to collect the screws that have been received at the bottom of the cylindrical portion. , making it easier to remove the screws.

(3) The impact driver assisting device according to (1) or (2), wherein the cylindrical portion is made of a transparent member whose inside is visible.

According to (3), the screw to be removed can be visually recognized from the outside of the cylindrical portion, and the cylindrical portion can receive dust generated during the screw removing operation. This makes it possible to improve workability in removing the screw.

ADVANTAGE OF THE INVENTION According to this invention, when removing a screw using an impact driver, the impact driver auxiliary tool which can prevent the fall of the removed screw can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the external appearance of the impact driver 100 which attached the impact driver auxiliary tool 1 in one Embodiment of this invention. 1 is a perspective view showing the external appearance of a state in which an impact driver assisting tool 1 according to one embodiment of the present invention is removed from an impact driver 100. FIG. 1 is a cross-sectional view of an impact driver aid 1 according to an embodiment of the present invention; FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing the appearance of an impact driver 100 to which an impact driver aid 1 according to one embodiment of the present invention is attached. FIG. 2 is a perspective view showing the external appearance of the impact driver assisting tool 1 according to one embodiment of the present invention when removed from the impact driver 100. FIG.

[Configuration of impact driver 100]
As shown in FIGS. 1 and 2, the impact driver 100 is configured by assembling left and right half housings 102 and 103, and has a body housing 105 with a grip portion 104 extending downward. A battery mounting portion 109 for detachably mounting the battery pack 106 is provided at the lower end of the grip portion 104 in the body housing 105 .

Behind the body housing 105 (on the right side in FIG. 1) is a motor storage section 107 that stores a motor (not shown) that serves as a power source for the rechargeable impact driver 100. houses a speed reduction mechanism and a striking mechanism.

A chuck sleeve 108 is provided at the tip of the body housing 105 for attaching various tool bits such as a driver bit and a socket bit to an output shaft driven by a motor (not shown).

The striking mechanism includes, for example, a spindle that is rotated via a reduction mechanism, a hammer that rotates with the spindle and is axially movable, and an anvil that is located in front of the hammer and has a tool bit attached to its tip. Prepare. In addition, in this embodiment, a driver 200 is attached to the chuck sleeve 108 as a tool bit.

That is, in the striking mechanism, when the spindle rotates with the rotation of the motor, the anvil rotates through the hammer to rotate the chuck sleeve 108 and the tool bit attached to the chuck sleeve 108 .

As the screw tightening by the tool bit progresses and the load on the anvil increases, the hammer retreats against the urging force of the coil spring and comes off the anvil. to re-engage the anvil.

As a result, intermittent blows are applied to the anvil and the screw is retightened by the tool bit. It should be noted that this impact mechanism is conventionally known, and therefore detailed description is omitted here.

Next, the grip part 104 is a grip part for the user to grip when using the impact driver 100, and a trigger 110 is provided on the upper tip side of the grip part 104. As shown in FIG. The trigger 110 is for the user to pull it with a finger while gripping the grip part 104 . The body housing 105 has a pistol shape, and the trigger 110 is placed at the index finger when the operator holds the grip portion 104 .

The trigger 110 is provided with a main switch that is turned on when the trigger 110 is pulled, and an operation amount detector for detecting the amount of pulling the trigger 110 (in other words, the amount of operation). . It should be noted that the operation amount detection section is composed of a variable resistor whose resistance value changes according to the amount of pulling of the trigger 110 .

A mode changeover switch 114 is provided above the trigger 110 (on the upper end side of the grip portion 104) for switching the operation mode of the impact driver 100 to a desired operation mode with a single operation.

Further, in the grip portion 104, a normal/reverse selector switch 112 is provided behind the mode selector switch 114 for switching the rotation direction of the motor between the forward direction and the reverse direction, which is the tightening direction of the screw.

A pair of left and right illumination LEDs 116 are provided on the body housing 105 so as to sandwich the chuck sleeve 108 . The illumination LED 116 lights up when the mode changeover switch 114 is operated and the operation input is accepted by a control circuit (not shown).

Further, an operation panel 120 is provided on the battery mounting portion 109 provided below the grip portion 104 in the main body housing 105 .

The operation panel 120 is provided with an impact force switch and a special switch for selectively setting the operation mode of the impact driver 100 from a plurality of preset operation modes. Further, the operation panel 120 is provided with a lighting switch used to turn on or off the lighting LED 116 .

[Configuration of Impact Driver Auxiliary Tool 1]
FIG. 3 is a cross-sectional view of the impact driver aid 1 in one embodiment of the present invention. As shown in FIGS. 1 to 3, the impact driver assisting device 1 includes a cylindrical mounting portion 10 mounted on the front portion of the body housing 105, and a mounting portion 10 fixed to the mounting portion 10 toward the distal end side of the driver 200. A tubular trumpet portion 12 having a large diameter and expanding like a trumpet is provided.

The mounting portion 10 has an extendable portion 10 a attached to the body housing 105 and a support portion 10 b supporting the trumpet portion 12 . The stretchable portion 10a has stretchability so that the front portion of the body housing 105 can be covered. The support portion 10b is connected to the expandable portion 10a, and is configured to maintain its shape even when the expandable portion 10a is expanded.

According to the present embodiment, the stretchable portion 10a is made of a knit member made by weaving thread-like rubber material. The support portion 10b is a cone-shaped cylindrical body with the tip removed, and is made of a hard material such as plastic. A ring body 10c having a diameter slightly smaller than the diameter of the support portion 10b is arranged at the smaller diameter end of the support portion 10b. The ring body 10c is fixed to the support portion 10b by bending the tip portion of the support portion 10b inward. Then, the mounting portion 10 is configured by fixing one end portion of the expandable portion 10a to the end portion of the support portion 10b on the larger diameter side.

The mounting portion 10 is mounted by spreading the expandable portion 10 a to cover the front portion of the main housing 105 and bringing the expandable portion 10 a into close contact with the main housing 105 . When the attachment portion 10 is attached to the body housing 105, the chuck sleeve 108 is surrounded by the support portion 10b. At this time, the chuck sleeve 108 is separated from the inner surface of the support portion 10b.

The trumpet portion 12 is made of a transparent member, and the inside of the trumpet portion 12 can be visually recognized from the outside. Further, as shown in FIG. 3, the trumpet portion 12 has a conical side portion 12a with the tip removed, a bottom portion 12b that closes the opening at the end of the side portion 12a on the smaller diameter side, It has A hole portion 12c through which the driver 200 can be inserted is formed in the center of the bottom portion 12b. The trumpet portion 12 has steps on the outer peripheral portion of the bottom portion 12b, and latch pieces 12d extending rearward along the central axis of the trumpet portion 12 extend from a plurality of positions on the outer peripheral edge of the bottom portion 12b. ing. The latch piece 12 d is elastically deformable in the radial direction of the trumpet portion 12 . A latch claw 12e formed at the tip of the latch piece 12d faces radially outward of the trumpet portion 12. As shown in FIG. Further, a groove 12f is formed between the step portion on the outer periphery of the bottom surface portion 12b and the latch claw 12e.

By inserting the latch piece 12d of the trumpet portion 12 into the opening of the support portion 10b, the latch claw 12e is engaged with the ring body 10c and the ring body 10c is engaged with the groove 12f. Thereby, the trumpet portion 12 and the mounting portion 10 are detachably connected to each other.

Next, a method of attaching the impact driver aid 1 to the impact driver 100 will be described. First, the driver 200 is attached to the impact driver 100 . Also, the mounting portion 10 and the trumpet portion 12 are connected in advance. Next, the driver 200 is passed through the inside of the expandable portion 10a, and the tip of the driver 200 is passed through the hole 12c. Thereby, the impact driver assisting tool 1 is attached to the impact driver 100 .

When the impact driver assisting tool 1 is attached to the impact driver 100 , the bottom surface portion 12 b is positioned forward of the chuck sleeve 108 so as not to contact the chuck sleeve 108 . Further, the tip portion of the driver 200 protrudes outside from the center of the opening of the trumpet portion 12 .

The attachment method of the impact driver assisting tool 1 may be another method. For example, the trumpet part 12 may be attached to the attachment part 10 after the attachment part 10 is attached to the impact driver 100 . Also, the driver 200 may be attached to the impact driver 100 after the impact driver auxiliary tool 1 is attached to the impact driver 100 .

According to the present embodiment configured in this way, when the impact driver 100 is used to attach or detach a screw to or from the ceiling, for example, by attaching the impact driver auxiliary tool 1 to the impact driver 100, the ceiling can be When the screw is removed, the screw can be dropped inside the trumpet part 12.例文帳に追加As a result, it is possible to prevent the removed screws from falling on the floor, so that the dropped screws do not hit workers or the workers step on the screws that have fallen on the floor. can be reduced. Moreover, since the trumpet part 12 receives dust generated when screws are attached to or removed from the ceiling, it is possible to prevent deterioration of the work environment.

Moreover, the diameter of the side surface portion 12 a of the trumpet portion 12 increases toward the tip end side of the driver 200 . As a result, it becomes possible to widen the acceptance range of the screw by the trumpet portion 12, and it is possible to more reliably prevent the screw from falling onto the floor surface. Moreover, the dropped screws can be collected at the bottom of the trumpet portion 12, and the dropped screws can be easily taken out.

In addition, since the inside of the trumpet portion 12 is made of a transparent member that allows visual confirmation, the screw to be removed can be visually recognized from the outside of the trumpet portion 12, and the trumpet portion 12 is free from dust generated during the screw removal work. becomes possible to accept This makes it possible to improve workability in removing the screw.

In addition, embodiment of this invention is not restricted to embodiment mentioned above. For example, the stretchable portion 10a and the main body housing 105 may be bonded together with hook-and-loop fasteners. Also, a rubber protrusion may be arranged on the inner surface of the expandable portion 10a. As a result, the elastic portion 10a and the body housing 105 can be detachably attached, and the support portion 10b can be made more stable.

Further, according to the embodiment of the present invention, the stretchable portion 10a of the mounting portion 10 is made of a knit member made by weaving thread-like rubber material, and the support portion 10b is a conical shape with the tip portion removed. Although it is made of a cylindrical body and is made of a hard material such as plastic, it is not limited to this. For example, the mounting portion 10 is made of silicon rubber, the expandable portion 10a is formed thin to be stretchable, and the support portion 10b is formed thick so that the cylindrical shape of the support portion 10b is not deformed. may

Further, according to the above-described embodiment, the mounting portion 10 and the trumpet portion 12 are detachably connected by the latch mechanism. It doesn't matter. Alternatively, the mounting portion 10 and the trumpet portion 12 may be fixed.

1 Impact Driver Auxiliary Tool 10 Mounting Part 10a Expandable Part 10b Supporting Part 10c Ring Body 11 Main Body Cover Part 12 Bugle Part 12a Side Part 12b Bottom Part 12c Hole 12d Latch Piece 12e Latch Claw 12f Groove 100 Impact Driver 104 Grip Part 105 Main Body Housing 106 battery pack 107 motor housing 108 chuck sleeve 200 driver

Claims (3)

a cylindrical mounting portion mounted on the front portion of the body housing of the impact driver;
a cylindrical portion fixed to the mounting portion and surrounding at least the base of the driver attached to the impact driver;
An auxiliary tool for an impact driver, wherein the attachment part has an elastic part, and is attached to the main body housing by expanding the elastic part and covering the front part of the main body housing. 2. The assisting tool for an impact driver according to claim 1, wherein the cylindrical portion expands like a trumpet toward the tip side of the driver. 3. The assisting tool for an impact driver according to claim 1, wherein the cylindrical portion is made of a transparent member whose interior is visible.

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