JP2001071281A - Power tool with sub-operating member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To switch a sub-operating member on and off independently from the switching between a lock state and a lock-off state by moving the sub- operating member from an off-position to an on-position, and further moving a main-operating member from an off-position to an on-position without changing an operator's operation finger. SOLUTION: This power tool comprises a main-operating member 32 and a sub-operating member 16, and the main operating member 32 is movable between an off-position and an on-position with respect to a body 10 of the power tool, and energized to the off-position. The main operating member 32 operates a main operating device of the power tool during a time when an operator operates at the on-position. The sub-operating member 16 operates a sub-operating device of the power tool during a time when the operator operates at the on-position. The operator moves the sub-operating member 16 from the off-position to the on-position, and moves the main-operating member 32 from the off-position to the on-position without changing an operator's operation finger. That is, the operation for switching the sub-operating device on, and then switching the main operating device on can be easily executed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sub-actuating device such as a lighting device, a chip removing device, a cutting fluid supply device, and the like.
The present invention relates to a power tool including a sub operation member operated by an operator to switch on / off of the sub operation device.

[0002]

2. Description of the Related Art There is a power tool in which a sub-actuator is added to a main actuator. For example, there is known an electric tool in which a lighting device is added to assist a main operation using the electric tool. According to this electric tool, the work location can be illuminated when the work environment is dim, so that the relative positional relationship between the work and the electric tool can be easily adjusted, and the main operation can be easily performed by using the auxiliary device. In the case of this type of power tool, it is required that an operation for turning on / off a sub-actuation device such as a lighting device is not troublesome. On the other hand, there is known an electric tool in which a malfunction preventing mechanism is added. Typically, a lock-off button is provided in addition to the main operation member,
Unless the operator operates the lock-off button to switch to the lock-off position, the main operation member cannot be switched to the on-position. This prevents the operator from operating the power tool unintentionally. More specifically, this type of power tool includes a main operation member, a lock-off button, and a linking unit. The main operating member is urged to maintain the off position during non-operation by the operator, is operated by the operator to change to the on position, and operates the power tool during the on position. The lock-off button is biased so as to maintain the lock position during non-operation by the operator, and is operated by the operator to change to the lock-off position. The cooperation means prohibits the main operation member from changing from the off position to the on position while the lock-off button is in the lock position, and turns the main operation member on from the off position while the lock-off button is in the lock-off position. The lock-off button is maintained at the lock-off position even after the operation of the lock-off button is completed while the main operation member is at the on position. By providing this malfunction prevention mechanism, "1. The main operation member cannot be switched to the ON position unless the lock-off button is switched to the lock-off position. 2. If the main operation member is switched to the ON position, After that, even if the operator finishes operating the lock-off button, the lock-off button maintains the lock-off position 3. When the operator finishes operating the main operation member, the lock-off button returns to the lock position. ". Japanese Unexamined Patent Application Publication No. 11-170203 discloses a technique for switching on / off a sub-actuating device, in this case, a lighting device, using this malfunction prevention mechanism.
In the power tool described in this publication, a lock-off button is also used as a sub-operation member. Here, the lighting device is turned on while the lock-off button is at the lock-off position, and is turned off while the lock-off button is at the lock position. This power tool turns on the lighting device in conjunction with the lock-off button being switched to the lock-off position prior to the main work using the power tool, and the lock-off button returns to the lock position at the end of the main work. The lighting device is turned off in conjunction with.

[0003]

A conventional power tool with a sub-actuator such as a lighting device switches on / off the sub-actuator in response to switching of a lock-off button.
The operation is simple without requiring a separate sub-operation member for the sub-actuation device. However, the conventional power tool with a sub-actuator has a structure in which the sub-actuator is turned on in conjunction with switching the lock-off button to the lock-off position.
It cannot be applied to a power tool without a lock-off button. Alternatively, it is not possible to respond to a request to switch on / off a sub-actuation device such as a lighting device separately from the switching between the locked state and the locked-off state.
The present invention is also applicable to a power tool having no lock-off button, and in the case of a power tool having a lock-off button, turning on / off the sub-actuator independently of switching between the locked state and the locked-off state. It is an object of the present invention to realize a power tool capable of performing such operations.

[0004]

The power tool of the present invention has a main operation member and a sub operation member. The main operation member is movable between an off position and an on position with respect to the body of the power tool, and is biased to the off position. Its main operating members are
While the operator is operating the ON position, the main operating device of the power tool is operated. The sub operation member is movable between an off position and an on position with respect to the main operation member, and is biased to the off position. The sub-operation member operates the sub-actuation device of the power tool while being operated to the ON position by the operator. Then, the sub-operation member can be moved from the off position to the on position and the main operation member can be moved from the off position to the on position without changing the finger operated by the operator.

[0005] The above configuration is also applicable to a power tool having no lock-off button. In the case of a power tool having a lock-off button, it is possible to control on / off of the sub-actuator independently of the operation of the lock-off button. Moreover, in this power tool, since the sub-operation member can be moved between the off position and the on position with respect to the main operation member, after turning on the sub-actuation device, the operator does not change the finger to operate. , The main actuator can be turned on. For this reason, it is very easy to turn on the sub-actuator first and then turn on the main actuator.

[0006] The power tool of the present invention is particularly effective when the sub-actuator is a lighting device. In this case, when the operator changes the sub-operation member to the ON position, the light is first turned on,
A further operation turns on the main actuator. In this electric power tool, lighting and extinguishing can be switched regardless of switching of the lock-off button.

In the electric power tool according to the present invention, it is preferable that the operator can select and operate one of the sub operation member and the main operation member. According to this electric power tool, the operator selects and operates the sub-operation member to first turn on the sub-actuation device and then turn on the main operation device,
By selecting and operating the main operating member, it is possible to select a mode in which the main operating device is suddenly turned on.

In the electric power tool according to the present invention, it is particularly effective that the moving direction of the sub operating member from the off position to the on position is substantially equal to the moving direction of the main operating member from the off position to the on position. In this case, after the operator turns on the auxiliary actuator,
Further, by operating in the same direction, the main actuator can be turned on. For this reason, the operation of turning on the sub-actuator first and then turning on the main actuator is particularly easy to perform.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 4 show an example of an embodiment in which the technique described in the claims is applied to a circular saw which is a kind of electric tool. FIGS. 1 to 4 show various states. Is shown.

1 to 4, reference numeral 32 denotes a main operation member,
Reference numeral 16 denotes a sub-operation member, 2 denotes a lock-off button, 34 denotes a main switch device for a motor power supply of a main operation device, and 20 denotes a sub-switch device for a sub-operation device. Here, the main operation indicates the original operation of the power tool. By operating the motor of the power tool, for example, it refers to an operation such as cutting, drilling a hole, or tightening a screw. The sub-operation is
This shows the operation that assists the main operation. For example, it refers to operations such as illuminating a work location, removing chips, and blowing out cutting fluid. Hereinafter, as an example of the embodiment, a case will be described in which the technology of the present invention is applied to a mushroom having a lighting device. Therefore, the main operation in the present embodiment is to “activate and cut the power tool” or This means "cut off by operating the drive motor", and the sub-operation is "illuminate the work area".
Say that.

The main operating member 32 is provided on the body 10 of the power tool.
A substantially horizontal portion 32a which is exposed to the outside and operated by an operator;
A substantially vertical portion 32b is accommodated in the body 10 and swings following the swing of the horizontal portion 32a. Main operation member 3
Reference numeral 2 denotes a substantially intermediate height position of the substantially vertical portion 32b, which is swingably attached to the body 10 by a support pin (not shown). That is, the main operation member 32 can swing about the support pin in the counterclockwise direction 60 and the clockwise direction 62 with respect to the body 10. A rib 36 is formed on the main operation member 32. The rib 36 is in contact with the main projection 38 of the main switch device 34 for motor power of the main operating device. The main projection 38 is urged to the projecting side by a spring built in the main switch device 34, and the main operation member 32 is urged in the clockwise direction 62. When the main operation member 32 comes into contact with the stopper 12 of the body 10, further swing in the clockwise rotation direction 62 is restricted. The main switch device 34 for the main operation motor power supply disconnects the electric connection between the main operation motor of the power tool (not shown) and the rechargeable battery (not shown) while the main projection 38 is projected. Do not operate the main actuator of the power tool. When the main projection 38 is pushed into the main switch device 34 side, the main switch device 34 electrically connects the main operation motor of the electric tool and the rechargeable battery to perform the main operation of the electric tool. Obviously, the main operation member 32 is supported by the body 10 so as to be swingable between an off position where the main projection 38 protrudes and an on position where the main projection 38 is pushed in. The main operating member 32 is urged to the off position by a spring built in the main operation member, and is turned on by the operator. Let it work.

A through portion 49 is provided in the substantially vertical portion 32b of the main operation member 32. The switch lever 44 is inserted into the through portion 49. The switch lever 44 is pivotally supported (counterclockwise rotation direction 64, clockwise rotation direction 66) with respect to the main operation member 32 with the support portion 40 as a fulcrum. The swing center of the main operation member 32 and the swing center of the switch lever 44 coincide with each other. Switch lever 4
A spring 46 is incorporated between the main operation member 32 and the switch 4, and the switch lever 44 is urged in the clockwise direction 66 with respect to the main operation member 32.

The sub operation member 16 is inserted through the main operation member 32. The sub operation member 16 is vertically movable (in the directions of arrows 52 and 54) at the insertion portion with respect to the main operation member 32. The sub operation member 16 is always urged by the switch lever 44 on the rear surface 30. As mentioned above,
The switch lever 44 is moved by the spring 46 to the main operating member 32.
Are urged in the clockwise direction 66 with respect to. Therefore,
The sub-operation member 16 is urged downward by a spring 46 and a switch lever 44. When the sub-operation member 16 is not operated, the locking portion 22 is stopped by the stopper 11 of the main operation member 32 so as not to move down further. This state is the off position of the sub operation member 16. The sub operation member 16 is biased so as to maintain the off position during non-operation by the operator, and is operated by the operator to change to the on position (a position moved upward with respect to the main operation member 32). . As will be described later, the sub-actuator is turned on while the sub-operation member 16 is in the on position.

In the drawing, reference numeral 20 denotes a sub-switch device for the sub-actuating device. While the sub-projection 28 is pushed into the sub-switch device 20, the lighting device serving as the sub-actuating device does not light up, and the sub-projection 28 The lighting device is turned on while protruding from the switch device 20. The sub-projection 28 is urged to the protruding side by a spring built in the sub-switch device 20. The swinging piece 24 coming into contact with the head of the sub-projection 28 from the sub-switch device 20
While the swinging piece 24 is pushed toward the sub-switch device 20 by the arm 26 of the switch lever 44, the sub-switch device 20 is turned off, and as shown in FIG.
The arm 26 rotates in the counterclockwise rotation direction 64 and the swinging piece 24
, The sub-switch device 20 is turned on.

The spring force for pushing out the main projection 38 is greater than the spring force of the spring 46, and the spring force of the spring 46 is greater than the force for pushing out the sub-projection 28. For this reason, if the operator does not operate, the main protrusion 38 pushes the main operation member 32 to the off position, the spring 46 rotates the switch lever 44 in the clockwise direction 66, and the arm 26 of the switch lever 44
Pushes the sub-projection 28 through the swinging piece 24. As a result, the positional relationship shown in FIG. 1 is established, the main projection 38 is pushed out and the main operating device is turned off, and the sub-projection 28 is pushed in and the sub-operating device is also turned off.

Further, the substantially vertical portion 32b of the main operation member 32
Is provided with a through-hole 42, and a projection 8 provided on a lock-off button 2 described later can be inserted into the through-hole 42.

The lock-off button 2 is vertically movable with respect to the body 10 (in the directions of arrows 56 and 58). The lock-off button 2 is urged upward by a spring 4 so that the locking portion 14 of the lock-off button 2
A further upward movement is regulated by abutting the. This state is the lock position of the lock-off button 2. The head of the lock-off button 2 is pushed by the operator and the arrow 56
When the head is moved in the direction until the head comes into contact with the stopper 9 of the body 10, the lock-off position is reached. A protrusion 8 is formed on the side of the lock-off button 2.

While the lock-off button 2 is in the lock position in which the lock-off button 2 has been moved upward, the projection 8 interferes with the main operation member 32 and prevents the main operation member 32 from swinging to the ON position. When the lock-off button 2 is pressed down until the head comes into contact with the stopper 9, the lock-off button 2 is in the lock-off position. In this position, the main operation member 32 can swing to the ON position because the through hole 42 of the main operation member 32 is located at the position corresponding to the projection 8. This state is shown in FIG. While the main operation member 32 is in the ON position, the protrusion 8 is inserted into the through-hole 42, the lock-off button 2 is prohibited from moving upward, and the operator finishes the pressing operation of the lock-off button 2. Even maintain the lock-off position. When the operator finishes operating the main operation member 32, the lock-off button 2 returns to the lock-off position by the force of the spring 4.

Obviously, while the lock-off button 2 is moving upward, it is in the locked position (its state is shown in FIGS. 1 and 2). 3 clearly shows the lock-off button 2
Is in the lock-off position during the downward movement. The lock-off button 2 is urged by a spring 4 so as to maintain the lock position during non-operation by the operator, and is operated by the operator to change to the lock-off position. The projection 8 and the through-hole 42 constitute a linking means, and the linking means is connected to the main operating member 32 while the lock-off button 2 is in the lock position.
Prohibits the change of the main operation member 32 from the off position to the on position while the lock-off button 2 is at the lock-off position,
While the main operation member 32 is in the ON position, the lock-off button 2 is maintained at the lock-off position even after the operation of the lock-off button 2 is completed.

Hereinafter, each state of the power tool will be described with reference to FIGS. FIG. 1 illustrates a state where both the main operation member 32 and the sub operation member 16 are in the off position.

The main operating member 32 is urged in the clockwise direction 62 by the main projection 38 of the main switch device 34 at the rib 36, and further swings in the clockwise direction 62 by contacting the stopper 12 of the body 10. Is regulated. Since the main projection 38 of the main switch device 34 projects, the main operating device of the power tool does not turn on.

In FIG. 1, since the sub-operation member 16 is not operated, the switch lever 44 swings in the clockwise direction 66 by the spring 46 and pushes the sub-operation member 16.
The swinging piece 24 is pushed by the arm 26, and the sub-projection 28 of the sub-switch device 20 is pushed in, and the sub-actuator, in this case, the illumination device is turned off.

In FIG. 1, since the lock-off button 2 is in the lock position in which the lock-off button 2 is moved upward, the projection 8 is prevented from interfering with the main operation member 32 and swinging until the main operation member 32 is turned on. ing. As a result, even if the operator operates the main operating member 32 by mistake, the main operating device is not turned on.
The main operating device is not turned on unless the main operation member 32 is operated after the lock-off button 2 is operated.

FIG. 2 shows a state in which the main operation member 32 is in the off position and the sub operation member 16 is in the on position. That is,
1 shows a state in which the operator has pressed only the sub-operation member 16 from the state of FIG. 1 and has turned on only the sub-actuation device without turning on the main operation device.

In FIG. 2, the sub-operation member 16 is in the ON state in which the sub-operation member 16 is pushed in the direction of the arrow 52 by the operator and moved upward. This is a state where, for example, the lighting device of the power tool is turned on to confirm the work position. In this state, the sub operation member 16 is in the ON position where the sub operation member 16 is moved upward, so that the rear surface 30 of the sub operation member 16 swings the switch lever 44 in the counterclockwise rotation direction 64 and the arm 26 of the switch lever 44
In the counterclockwise rotation direction 64, whereby the swinging piece 24 is released, the sub-projection 28 projects, the sub-switch device 20 is turned on, and the sub-actuator, in this case, the lighting device is turned on. Is shown. In this case, since the lock-off button 2 is at the lock position in which the lock-off button 2 is moved upward, the main operation member 32 does not swing in the counterclockwise direction by the operation of the sub-operation member 16. Even if the sub-operation member 16 is moved to the position shown in FIG. 2 even if the main operation member 32 is operated to the off position or the lock-off button 2 is not incorporated in the first place, the main operation member 32 swings counterclockwise. It does not move. Main projection 3
8, that is, the force urging the main operation member 32 in the clockwise direction, the spring 46
Is stronger than the force for urging the sub-operation member 16 to the off position via the sub-operation member 16, the operation of pushing the sub-operation member 16 is performed by the operator before the sub-operation member 16 changes from the off position to the on position. The main operation member 32 does not change from the off position to the on position.

When the operator finishes operating the sub-operation member 16 in the state shown in FIG. 2, the switch lever 44 rotates clockwise 66 by the elastic force of the spring 46, and the sub-operation member 16 returns to the off position. . Then, the arm 26 of the switch lever 44 pushes the swinging piece 24 and the sub-projection 2
Press 8. As a result, the lighting device is turned off. That is, the state changes to that shown in FIG.

In FIG. 1, the lock-off button 2 is in the lock position, the sub-operation member 16 is in the off position, and the lighting device is off. In FIG. 2, when the lock-off button 2 is in the lock position and the sub-operation member 16 is operated in the on position, the lighting device is turned on. Using the switch mechanism of the present invention,
Even before the main operation member 32 is operated, even if the lock-off button 2 is in the lock position, the sub operation member 16 can be operated and turned on. In this case, since the main operation member 32 is in the locked state, the sub-actuator can be turned on and the positioning operation can be performed in a state where the main actuator does not start to move carelessly. Although not shown in the drawing, maintaining the sub-operation member in the off position with the lock-off button 2 switched to the lock-off position, switching the sub-operation member 16 from the off position to the on position, The member 16 can be maintained at the ON position, and the sub-operation member 16 can be switched from the ON position to the OFF position, and the lighting device can be switched on and off regardless of the operation of the lock-off button 2. . Before switching the main operation member 32 to the ON position, the operator can freely use the auxiliary operation member 16 to freely switch the lighting device regardless of the position of the lock-off button 2 (the lock position or the lock-off position may be used). It can be turned on and off. That is, the main operation member 32 can be turned on while maintaining the locked state, or can be turned on and turned off in the lock-off state, or
It is also possible to switch off the main operating member to the on position by locking off without turning on the light.

FIG. 3 shows a state in which the lock-off button 2 is operated to the lock-off position, the main operation member 32 is operated to the ON position, and the sub-operation member 16 is also operated to the ON position. This corresponds to the state shown in FIG. 2, that is, the state obtained when the operator operates the sub-operation member 16 without operating the main operation member 32 by selecting and operating the sub-operation member 16 further. Is shown. At this time, the lighting device is first turned on, and then the main operation using the power tool is performed. To explain in more detail, the state of FIG.
The lock-off button 2 is operated to the lock-off position from the state where only the sub-operation member 16 is pushed in, and
Is further deeply operated to move the main operation member 32 to the ON position. This operation is possible because the direction of change of the sub operation member 16 from the off position to the on position is substantially equal to the direction of change of the main operation member 32 from the off position to the on position. In the embodiment of the present invention, as shown in FIGS. 1 to 4, the sub operation member 16 is incorporated in the main operation member 32, and the operation surface of the sub operation member 16 at the ON position where the sub operation member 16 is pushed in. Is substantially equal to the position of the operation surface of the main operation member 32. Therefore, the operator puts his / her finger on the operation surface of the sub operation member 16 and first switches the sub operation member 16 from the off position to the on position (change from FIG. 1 to FIG. 2), and then, without changing the position of the finger By further retracting, the main operation member 32 is moved from FIG.
State.

When switching from the state shown in FIG. 1 to the state shown in FIG. 2, the operator needs a force to overcome the force of the spring 46 and push the sub-operation member 16 into the main operation member 32. On the other hand, to switch from the state shown in FIG.
It is necessary to swing the main operation member 32 in the counterclockwise rotation direction against the force for pushing out. Since the elastic force of the spring incorporated in the main switch device 34 is larger than the elastic force of the spring 46, when the operator further performs the pull-in operation from the state shown in FIG. 2, the operator is required to have a stronger operation force. . The operating force required to switch from the state of FIG. 1 to the state of FIG. 2 is clearly different from the operating force required to switch from the state of FIG. 2 to the state of FIG.
Can be prevented from being inadvertently switched to the state. That is, the operator wants to maintain the state of FIG.
There is no inadvertent switching to the state of FIG.
Further, the operator can clearly recognize from the sense of the fingertip that the operation surface of the sub operation member 16 is the same as the operation surface of the main operation member 32, and easily recognizes that the state of FIG. can do. This also effectively prevents the operator from inadvertently switching to the state in FIG. 3 when he wants to maintain the state in FIG.

In FIG. 3, the operator operates both the sub operation member 16 and the main operation member 32 with fingers. In this state, the main projection 38 is pushed in by the rib 36, the main switch device 34 is turned on, and the main operating motor of the power tool (not shown) is electrically connected to the rechargeable battery (not shown). Is performed.

In FIG. 3, the sub operating member 16 is pushed in the direction of the arrow 52 to be in the ON position, and at the same time, the main operating member 32 is also pushed in the counterclockwise direction 60 to the ON position.
Accordingly, the switch lever 44 is largely separated from the swinging piece 24. In this state, the sub-projection 28 is projected, and the lighting device is turned on.

When the operator wants to end the power tool operation from the state shown in FIG. 3, the force of the finger operating the main operation member 32 and the sub operation member 16 may be reduced or the finger may be removed. Then, the main operation member 3 is moved by the main projection 38.
2 is urged in the clockwise direction 62 to the off position, and at the same time, the sub-operation member 16 is urged in the direction of the arrow 54 by the spring 46 and the switch lever 44 to the off position. The swinging piece 24 is pushed by the switch lever 44 and the sub-projection 28 is pushed. Since the protrusion 8 inserted into the through hole 42 of the main operation member 32 comes off from the through hole 42, the lock-off button 2 is pushed up by the spring 4 and returns to the locked position. That is, the state returns to the state of FIG. Since the main projection 38 projects, the main operation motor of the power tool stops. Since the sub-projection 28 is pushed in, the lighting device is turned off. As a result, it is not necessary to perform a turning-off operation of the lighting device, and the lighting device is not forgotten to be turned off.

In this embodiment, the operator can operate the main operation member 32 with his / her finger without operating the sub operation member 16. This is shown in FIG.

FIG. 4 shows a state in which the lock-off button 2 is operated to the lock-off position, the main operation member 32 is operated to the ON position, and the sub-operation member 16 is maintained at the OFF position.

In FIG. 4, since the operator is operating the main operation member 32 in the counterclockwise rotation direction 60, the main projection 38 is pushed into the rib 36, and the main operation motor of the power tool (not shown) and the main operation motor are shown. The uncharged rechargeable battery is electrically connected, and the power tool operates mainly.

In FIG. 4, the operator does not press the sub-operation member 16, and the switch lever 44 swings clockwise by the elastic force of the spring 46. It is pushed out with respect to the main operation member 32, and becomes an OFF position. However, since the operator swings the main operation member 32 in the counterclockwise rotation direction 60, the switch lever 44 is separated from the swinging piece 24 even when the sub operation member 16 is in the off position. It is in. In the state shown in FIG. 4, since the operator is operating the main operation member 32 in the counterclockwise rotation direction 60, the main operation member 32 is in the ON position, and the sub operation member 16 itself is in the OFF position. 28 protrudes, and the lighting device is turned on.
When the operator selects and operates the main operation member,
Instead of turning on the sub-actuator first and then turning on the main actuator, it is possible to select a mode in which the main actuator is turned on immediately. In this embodiment, when the latter mode is selected, the sub-actuator is turned on at the same time as the main actuator is turned on.

For this reason, when the switch mechanism of the present embodiment is used, the sub-operation member 16 can be operated while the operator does not operate the sub-operation member 16 while pulling the main operation member 32 with a finger. Since the sub-projections 28 protrude even in the off position, the lighting state of the lighting device can be maintained.

When the operator wants to end the power tool operation from the state shown in FIG. 4, the force of the finger operating the main operation member 32 may be reduced or the finger may be removed. Then, the main operation member 32 is moved in the clockwise direction 62 by the main projection 38.
And the switch lever 44 urges the rocking piece 24 while the sub-operation member 16 remains in the off position. The switch lever 44 is urged in a clockwise direction 66 by a spring 46 provided between the main operation member 32 and the switch lever 44. When the main projection 38 protrudes, the main operation motor of the power tool stops, and when the sub-projection 28 is pushed in, the lighting device turns off. That is, the state returns to the state of FIG. As a result, there is no particular need to turn off the lighting device, and there is no forgetting to turn off the lighting device.

In the power tool using the switch mechanism of this embodiment, regardless of the lock position / lock-off position of the lock-off button 2, the lighting device can be freely turned on without operating the main operation motor of the power tool. -You can select to turn off the light. Therefore, the technology of the present embodiment can be used for a case where the lock-off button 2 is removed from the power tool or for a power tool having no lock-off button. And lighting
Regardless of the light-off state, the operator can start the power tool operation by operating the main operation motor of the power tool. Furthermore, when the operator performs the power tool work, it is not necessary to perform the lighting operation of the lighting device, and the power tool can be turned on at the same time as the start of the main work. Alternatively, it can be turned on first, and then the main operation can be started. Further, it is not necessary to continue the operation for lighting during the operation of the power tool, and the lighting state can be maintained only by operating the main operating device. Then, there is no need to turn off the lighting device, and the lighting device can be turned off at the same time as the end of the power tool operation, so that wasteful power consumption is suppressed and forgetting to turn off the light is prevented.

In the above embodiment, the case where the sub-actuator is a lighting device has been described, but the sub-actuator is not limited to the lighting device. For example, in the case of a power tool that operates an air pump during driving of a main operating motor to store high-pressure air in a pressure vessel, and blows high-pressure air to a drill tip as needed to remove chips, A chip removing device is incorporated as a sub-actuator. In this case, this technique can be used for on / off control of a solenoid valve for switching whether or not the high-pressure air is jetted. In the case of this embodiment, by controlling on / off of the solenoid valve at the position of the sub-operation member 16, it is possible to control on / off of the sub-actuator for removing chips.

In the case of a power tool which performs a main operation by supplying a cutting fluid to be sent from a cutting fluid circulating pump to the tip of the drill, the cutting fluid circulating pump is a sub-operating device, The sub-operating member 16 introduced in this embodiment can be used for ON / OFF control of the power supply.

[0042]

Since the present invention is configured as described above, the following effects can be obtained.

According to the electric power tool of the first aspect, after the sub-actuator is turned on, the operator can turn on the main actuator by operating the finger without changing the finger.
With this configuration, the auxiliary operating device of the power tool can be operated independently of the lock-off button, so that the present invention is applicable to a power tool without a lock-off button. Further, in a power tool having a lock-off button, it is possible to control on / off of the sub-actuator independently of the switching operation of the lock-off button. With the switch mechanism of the present invention, the operation of changing the position of the operation member can be easily and reliably performed, and the on / off state of the main operation device and the auxiliary operation device can be easily and reliably switched.

According to the power tool of the second aspect, after the sub-actuator is turned on and turned on, the main actuator can be turned on by further operating in the same direction. With this configuration, the lighting device of the power tool can be turned on and off regardless of the switching operation of the lock-off button.

According to the power tool of the third aspect, the operator:
By selecting and operating the sub-operation member, first, the sub-actuation device is turned on, and then the main operation device is turned on. By selecting and operating the main operation member, the main operation device is suddenly turned on. Can be selected, and various usages can be easily used.

According to the electric power tool of the fourth aspect, after the sub-actuator is turned on, the main actuator can be turned on by further operating in the same direction. With the switch mechanism of the present invention, the operation of changing the position of the operation member can be particularly easily and reliably performed, and the ON / OFF of the main operation device and the sub-operation device can be particularly easily and reliably switched.

[Brief description of the drawings]

FIG. 1 is a view showing a state in which a main operation member is in an off position and a sub operation member is in an off position in the electric power tool according to the embodiment.

FIG. 2 is a view showing a state in which a main operation member is in an off position and a sub operation member is in an on position in the electric tool shown in FIG. 1;

FIG. 3 is a view showing a state in which a main operation member is in an ON position and a sub operation member is in an ON position in the electric tool shown in FIG. 1;

FIG. 4 is a view showing a state in which a main operation member is in an on position and a sub operation member is in an off position in the electric tool shown in FIG. 1;

[Explanation of symbols]

 10. Body 16 Sub-operation member 20 Sub-switch device 24 Oscillating piece 28 Sub-projection 30 Rear 32 Main operation member 34 Main switch device 38 Main projection 44・ Switch lever 46 ・ ・ Spring

Claims (4)

[Claims] An electric tool having a main operating member and a sub operating member, wherein the main operating member is movable between an off position and an on position with respect to a body of the electric tool, and is biased to the off position. The main operating device of the power tool is operated while the operator is operating the ON position, and the sub operating member is movable between the OFF position and the ON position with respect to the main operating member. The sub-operation device of the power tool is operated while the operator is operating the ON position, and the sub-operation member is moved from the OFF position to the ON position without changing the finger operated by the operator. An electric power tool that can be moved and the main operation member can be moved from an off position to an on position. 2. The power tool according to claim 1, wherein the sub-actuating device is a lighting device, and is turned on while the sub-operation member is in an ON position. 3. The power tool according to claim 1, wherein one of the sub operation member and the main operation member can be selected and operated. 4. The power tool according to claim 1, wherein the direction of movement of the sub-operation member from the off position to the on position is substantially equal to the direction of movement of the main operation member from the off position to the on position. When the power tool is further operated beyond the on position from the off position, the power tool moves the main operating member from the off position to the on position.