CN212587400U

CN212587400U - Electric tool

Info

Publication number: CN212587400U
Application number: CN202021626634.5U
Authority: CN
Inventors: 韩冰; 陈华清
Original assignee: Aukey Technology Co Ltd
Current assignee: Shenzhen Fantec Technology Innovation Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-02-23
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses an electric tool, wherein, the electric tool comprises a shell, a circuit board and an operation key, and the shell is provided with a containing cavity; the circuit board is arranged in the accommodating cavity and comprises a circuit, and an on-off switch for controlling the on-off of the circuit and a signal switch for sending a speed regulation signal are arranged on the circuit board in a protruding mode; the operation key comprises an operation body arranged on the shell and a trigger body arranged in the containing cavity and connected with the operation body, wherein the operation body can slide relative to the shell so as to enable the trigger body to move relative to the circuit board, and the operation key is provided with a first position enabling the trigger body to trigger the on-off switch and a second position enabling the trigger body to trigger the on-off switch and the signal switch simultaneously. The utility model aims at providing an electric tool that can realize opening/closing and speed governing through adjusting an operating key.

Description

Electric tool

Technical Field

The utility model relates to an electric tool technical field, concretely relates to electric tool.

Background

Electric drills, electric grinders and other common electric tools are mostly operated in a handheld mode. The existing electric tool is generally provided with a power supply key used for controlling a switching power supply and a plurality of gear switches used for adjusting the rotating speed, and is inconvenient to use when being operated by hands.

SUMMERY OF THE UTILITY MODEL

The main objective of the present invention is to provide an electric tool, which can be turned on/off and adjusted by adjusting an operation key.

In order to achieve the above object, the present invention provides an electric tool, which includes:

a housing formed with an accommodation chamber;

the circuit board is arranged in the accommodating cavity and comprises a circuit, and an on-off switch for controlling the on-off of the circuit and a signal switch for sending a speed regulation signal are arranged on the circuit board in a protruding mode; and the number of the first and second groups,

the operating key comprises an operating body arranged on the shell and a trigger body arranged in the accommodating cavity and connected with the operating body, wherein the operating body can slide relative to the shell so that the trigger body moves relative to the circuit board, and the operating key has a first position enabling the trigger body to trigger the on-off switch and a second position enabling the trigger body to trigger the on-off switch and the signal switch simultaneously.

Optionally, the trigger body includes:

the body is connected with the operation body, is arranged in a sliding manner relative to the circuit board and is provided with a first trigger position corresponding to the first position and a second trigger position corresponding to the second position;

the first trigger piece is arranged on one side, facing the circuit board, of the body and used for triggering the on-off switch; and the number of the first and second groups,

the second trigger piece is arranged on one side, facing the circuit board, of the body and used for triggering the signal switch.

Optionally, the on-off switch comprises a fixed contact electrically connected with the circuit, and a movable contact which can be contacted or separated with respect to the fixed contact;

one of the first trigger piece and the movable contact is formed with a sliding portion extending in a direction from the first trigger position to the second trigger position, and when the body reciprocates between the first trigger position and the second trigger position, the sliding portion is in sliding engagement with the other so that the movable contact is held in contact with the fixed contact.

Optionally, a direction from the first trigger position to the second trigger position is a first direction;

the movable contact is an elastic sheet, the elastic sheet is arranged on the circuit board and obliquely extends from the circuit board to the first direction.

Optionally, the body, the first trigger member and the second trigger member are integrally formed.

Optionally, the reset device further comprises a reset element, and the reset element is arranged between the housing and the body and used for resetting the body from the second trigger position to the first trigger position.

the reset piece is located on one side of the body in the first direction and is elastically and telescopically arranged in the direction close to or far away from the body, a guide surface is formed on one side of the body facing the reset piece, and when the body moves from the first trigger position to the first direction, one end, close to the body, of the reset piece is elastically pressed on the guide surface, so that the body moves to the first trigger position.

Optionally, in the first direction, the guide surface is disposed obliquely to an extending direction of the reset member.

Optionally, the body includes a main body portion and a support portion, the main body portion is slidably disposed in the accommodating cavity, a through hole is formed in the main body portion, and the support portion extends from a hole wall of the through hole to the inside of the through hole;

the operating body is arranged on one side of the supporting part, which deviates from the circuit board, the second trigger part is arranged on one side of the supporting part, which faces the circuit board, and the second trigger part is arranged opposite to the signal switch when the body moves to the first trigger position.

Optionally, the signal switch comprises an acceleration signal switch for generating an acceleration signal and a deceleration signal switch for generating a deceleration signal;

the second position comprises an acceleration position and a deceleration position, the second trigger position comprises an acceleration trigger position and a deceleration trigger position which correspond to each other, when the body moves to the acceleration trigger position, the second trigger piece triggers the acceleration signal switch, and when the body moves to the deceleration trigger position, the second trigger piece triggers the deceleration signal switch.

The technical scheme of the utility model, electric tool includes the casing, circuit board and manipulating key, the manipulating key is including triggering the body and being used for the drive to trigger the operation body of the body, when the operation body is located the primary importance, can order about to trigger the body and trigger on-off switch, thereby the switch on, when the operation body is located the second place, can order about to trigger the body and trigger on-off switch and signal switch simultaneously, thereby produce speed governing signal with the control revolution, and then make the user can one-hand operation and simple operation, user experience has been promoted, and a plurality of control function are integrated in a manipulating key, also make the product more pleasing to the eye.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of an electric tool provided by the present invention;

FIG. 2 is a schematic view of the power tool of FIG. 1 with the housing removed;

FIG. 3 is a schematic view of the power tool of FIG. 2 from another perspective;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 2;

fig. 7 is a schematic structural diagram of another embodiment of the power tool provided by the present invention;

fig. 8 is a schematic structural diagram of a power tool according to another embodiment of the present invention;

FIG. 9 is a schematic view of the power tool of FIG. 8 from another perspective;

fig. 10 is an enlarged view of fig. 8 at D.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Electric drills, electric grinders and other common electric tools are mostly operated in a handheld mode. The existing electric tool is generally provided with a power supply key used for controlling a switching power supply and a plurality of gear switches used for adjusting the rotating speed, and is inconvenient to use when being operated by hands. In view of this, the present invention provides an electric tool, which may be an electric grinder, an electric drill, an electric screwdriver, etc., and fig. 1 to 10 illustrate specific embodiments of the electric tool provided by the present invention.

Referring to fig. 1 and 2, the electric tool 100 includes a housing 1, a circuit board 2, and an operation key 3, wherein the housing 1 is formed with an accommodating cavity; the circuit board 2 is arranged in the accommodating cavity, the circuit board 2 comprises a circuit, and an on-off switch 21 for controlling the on-off of the circuit and a signal switch 22 for sending a speed regulation signal are convexly arranged on the circuit board 2; the operation key 3 comprises an operation body 31 arranged in the shell 1 and a trigger body 32 arranged in the accommodating cavity and connected with the operation body 31, wherein the operation body 31 can slide relative to the shell 1 to enable the trigger body 32 to move relative to the circuit board 2, and has a first position enabling the trigger body 32 to trigger the on-off switch 21 and a second position enabling the trigger body 32 to simultaneously trigger the on-off switch 21 and the signal switch 22.

The technical scheme of the utility model, electric tool 100 includes casing 1, circuit board 2 and manipulating key 3, manipulating key 3 triggers the operation body 31 of body 32 with being used for the drive including triggering the body 32, when operation body 31 is in the primary importance, can order about to trigger the body 32 and trigger on-off switch 21, thereby the switch on, when operation body 31 is in the second place, can order about to trigger the body 32 and trigger on-off switch 21 and signal switch 22 simultaneously, thereby produce the speed governing signal with the control revolution number, and then make the user can one-hand operation and simple operation, user use experience has been promoted, and a plurality of control function are integrated in a manipulating key 3, also make the product more pleasing to the eye.

Wherein, the inside formation of casing 1 holds the chamber for supply other part accommodations such as driving motor, circuit board 2, the shape of casing 1 can be for the cylindricality so that the user is handheld, also can the shaping for the shape with the hand adaptation, so that handheld, can also set up the handle of being convenient for to hand on casing 1, perhaps set up the skid resistant course that prevents the hand cunning.

The electric power tool 100 further includes a rotating body 5 and a driving motor for driving the rotating body 5 to rotate, the driving motor being accommodated in the accommodating chamber and electrically connected to the circuit board 2. Taking an electric grinder as an example, the rotating body 5 is a grinding disc and acts on a workpiece to be processed by high-speed rotation. The circuit board 2 includes a circuit for controlling the start/stop and the rotation speed of the driving motor, and in this embodiment, the structure of the circuit is a common circuit structure in the market, and will not be described in detail herein. The circuit board 2 is provided with an on-off switch 21 and a signal switch 22. The on-off switch 21 is used for controlling the circuit to be switched on or off, and when the on-off switch is triggered, the circuit is switched on and provides power for the driving motor so as to start the driving motor, otherwise, the circuit is switched off and cuts off the power so as to stop the driving motor; the signal switch 22 is used for sending a speed regulating signal, when triggered, the speed regulating signal is generated, and after the speed regulating signal is received by a controller of the driving motor, the controller controls an output shaft of the driving motor to regulate the rotating speed. The speed-adjusting signal sent by the signal switch 22 may be an acceleration signal or a deceleration signal, and in specific implementation, the corresponding circuit structure may be matched according to the user requirement.

Note that, for convenience of orientation description, hereinafter, one end of the housing 1 for mounting the rotating body 5 is set to be a front end, and one side of the circuit board 2 for providing the on-off switch 21 and the signal switch 22 is set to be an upper side.

The operation key 3 is a component for triggering the on-off switch 21 and the signal switch 22, the operation key 3 comprises a trigger body 32 and an operation body 31, and a user can move the operation body 31 to a first position or a second position by shifting or pressing the operation body 31, so that the trigger body 32 is driven to move relative to the circuit board 2, and the trigger body 32 is further driven to move to abut against the on-off switch 21 or the signal switch 22. It is understood that the operating body 31 further has a third position for separating the trigger 32 from the on-off switch 21 and the signal switch 22, and when the operating body 31 is at the third position, the trigger 32 is separated from the on-off switch 21 and the signal switch 22, and the circuit is opened, so that the power supply of the driving motor is cut off and the driving motor stops operating.

In the present embodiment, the direction from the first position to the second position is set as the conducting direction, and the direction from the third position to the first position is set as the speed adjusting direction, without limiting the moving manner of the operating body 31, the conducting direction may be the front-back direction, the left-right direction, or the up-down direction, and similarly, the speed adjusting direction may be the front-back direction, the left-right direction, the up-down direction, or the like. For example, in the embodiment shown in fig. 1, the user pushes the operating body 31 to move from back to front to a first position, which can turn on the circuit, and then continues to push the operating body 31 to move from the first position to front to a second position, which can achieve acceleration; in the embodiment shown in fig. 8, the user pushes the operating body 31 to move back and forth, so as to switch between the first position and the third position to realize "ON/OFF", and when the operating body 31 reaches the first position, i.e. when the power tool 100 is started, the user presses the operating body 31 to move downward, i.e. to move to the second position, so as to control the rotation speed. Preferably, for convenience of operation, the operation body 31 may be provided at the front end of the housing 1 so as to push or press the operation body 31 when the user holds the electric power tool 100.

In this embodiment, the trigger body 32 is located and holds the intracavity, and the surface of casing 1 is formed with and holds the groove 11 of stepping down that the chamber communicates, and the operation body 31 slides and locates in the groove 11 of stepping down, and the bottom of operation body 31 runs through the groove 11 of stepping down and is connected with the trigger body 32. The trigger 32 is configured to move relative to the circuit board 2 to abut against or separate from the on-off switch 21 or the signal switch 22 when driven by the operation key 3. The trigger body 32 may be plate-like in shape. The trigger body 32 is arranged opposite to the circuit board 2 and above the circuit board 2, and a moving path of at least a part of the trigger body 32 is staggered with the installation position of the on-off switch 21 or the signal switch 22, so that when the part of the trigger body moves along the moving path, the trigger body can abut against the on-off switch 21 or the signal switch 22, and then the trigger body is triggered.

Referring to fig. 2 to 4, in the embodiment, the trigger 32 includes a main body 320, a first trigger 321 and a second trigger 322, and the main body 320 is connected to the operating body 31 to slide relative to the circuit board 2 under the driving of the operating body 31. When the operating body 31 is in the first position, the body 320 is in the first trigger position; when the operating body 31 is in the second position, the body 320 is in the second trigger position. The first trigger piece 321 and the second trigger piece 322 are both arranged on one side of the body 320 facing the circuit board 2, wherein the first trigger piece 321 is used for triggering the on-off switch 21, and the second trigger piece 322 is used for triggering the signal switch 22, that is, when the operating body 31 is located at the first position, the body 320 is driven to move to the first trigger position, and then the first trigger piece 321 is driven to move to abut against the on-off switch 21, so as to trigger the on-off switch 21, and control the driving motor to start; when the operating body 31 is at the second position, the body 320 is driven to move to the second triggering position, and then the second triggering member 322 is driven to move to the abutting signal switch 22, so as to trigger the signal switch 22, and in this process, the first triggering member 321 keeps abutting against the on-off switch 21, so as to continuously trigger the on-off switch 21, thereby controlling the driving motor to change speed.

The direction from the first trigger position to the second trigger position is set as a first direction.

Wherein, body 320, first trigger piece 321 and second trigger piece 322 can be integrated into one piece and set up for the structure that triggers body 32 is succinct more, and not only pleasing to the eye, and it is more convenient to process moreover, and in addition, because first trigger piece 321 and second trigger piece 322 and body 320 integrated into one piece, first trigger piece 321 is more firm with body 320, the connection of second trigger piece 322 and body 320, is difficult for damaging.

In specific implementation, the positions and specific shapes of the first trigger member 321 and the second trigger member 322 on the body 320 may be set according to the designed moving manner of the operating body 31, and it is only necessary to ensure that when the operating body 31 reciprocates between the first position and the second position, the projection of the first trigger member 321 on the circuit board 2 abuts against or at least partially overlaps with the on-off switch 21; when the operating body 31 is in the second position, the projection of the second trigger 322 on the circuit board 2 abuts or at least partially coincides with the signal switch 22. In this embodiment, the moving direction of the operating body 31, i.e. the conducting direction and the speed regulating direction, are both forward and backward, so the projection of the first trigger 321 on the circuit board 2 is located forward and backward and upward of the on-off switch 21, and when the operating body 31 reciprocates between the first position and the second position, the projection of the first trigger 321 on the circuit board 2 at least partially overlaps with the on-off switch 21; the projection of the second trigger 322 on the circuit board 2 is located in the front-rear direction of the signal switch 22, and when the operating body 31 is in the second position, the projection of the second trigger 322 on the circuit board 2 at least partially coincides with the signal switch 22.

As shown in fig. 7, the signal switch 22 may be provided in one, as shown in fig. 2 and 9, or in two. When one signal switch 22 is provided, the operation key 3 may be configured to trigger the signal switch 22 to send out different speed change signals by dialing or pressing the operation body 31 for a certain number of times or for a certain period of time when the operation body 31 is in the first position. For example, when the operating body 31 is in the first position, the operating body 31 is pushed or pressed once in the direction of the second position, the trigger signal switch 22 sends an acceleration signal, and when the operating body 31 is pushed or pressed once, the trigger signal switch 22 sends a deceleration signal; alternatively, when the operating body 31 is in the first position, the longer the toggle time towards the second position is, the stronger the driving motor controller controls the acceleration or deceleration degree of the rotating body 5 through the received speed-adjusting signal sent by the trigger signal switch 22. When the signal switch 22 is provided in two, the signal switch 22 may include an acceleration signal switch 22a for generating an acceleration signal and a deceleration signal switch 22b for generating a deceleration signal. Correspondingly, the second position includes an acceleration position and a deceleration position, and similarly, the second trigger position includes an acceleration trigger position and a deceleration trigger position, such that when the body 320 moves to the acceleration trigger position, the second trigger 322 triggers the acceleration signal switch 22a, and when the body 320 moves to the deceleration trigger position, the second trigger 322 triggers the deceleration signal switch 22 b.

In this embodiment, the on-off switch 21 includes a fixed contact 210 electrically connected to the circuit, and a movable contact 211 disposed to be in contact with or separated from the fixed contact 210, and when the first trigger 321 is moved to abut against the movable contact 211, the movable contact 211 is forced to move toward the fixed contact 210 until contacting with the fixed contact 210, so that the on-off switch 21 is triggered. Similarly, the signal switch 22 includes a fixed signal contact electrically connected to the circuit, and a movable signal contact 220 disposed in contact with or separated from the fixed signal contact, wherein when the second trigger member 322 is moved to abut against the movable signal contact 220, the movable signal contact 220 is driven to move toward the fixed signal contact until contacting the fixed signal contact, so that the signal switch 22 is triggered.

In order to ensure that the first trigger member 321 can be kept in contact with the movable contact 211 when the operating body 31 reciprocates between the first position and the second position, that is, when the body 320 reciprocates between the first trigger position and the second trigger position, in the present embodiment, one of the first trigger member 321 and the first movable contact 211 is formed with the sliding portion 212 extending along the first direction, and when the body 320 reciprocates between the first trigger position and the second trigger position, the sliding portion 212 can be in sliding fit with the other, so that the movable contact 211 is kept in contact with the fixed contact 210, and the on-off switch 21 is kept triggered.

As shown in fig. 4, in the embodiment, the movable contact 211 is a spring, the spring is disposed on the circuit board 2 and extends from the circuit board 2 to the first direction, and a side of the spring away from the circuit board 2 forms a sliding portion 212. Meanwhile, a step part is formed downwards on the lower side surface of the body 320, the step part forms a first trigger piece 321, when the body 320 is at the initial position, the first trigger piece 321 is separated from the movable contact 211, the movable contact 211 is at the open position 102, and the circuit is open; when the body 320 moves from the back to the front to the first triggering position, the first triggering piece 321 abuts against the movable contact 211 to drive the movable contact 211 to move to the conducting position 101, and at this time, the movable contact 211 is in contact with the fixed contact 210; when the body 320 moves forward from the first trigger position, the first trigger member 321 slides and abuts against the sliding portion 212, so that the movable contact 211 is kept in contact with the fixed contact 210.

Further, one end of the elastic sheet, which is far away from the circuit board 2, forms a curved surface protruding toward the circuit board 2, so that when the body 320 reciprocates in the front-back direction, the elastic sheet does not interfere with the body 320.

In addition, in the present embodiment, the present electric power tool 100 further includes a restoring member 4. Referring to fig. 5 and 6, reset piece 4 is located between casing 1 and body 320, be used for making body 320 reset to first trigger position from the second trigger position, set up like this, make the user stir the operating body 31 and remove to the second position after, along with the user looses the hand, after the external force release that operating body 31 received, operating body 31 can reset to the first position from restoring to oneself, on the one hand, manual operation operating body 31 return has been avoided, the operation is simplified, on the other hand, the migration distance of finger is shorter during user operation, it is more convenient to operate, the human-computer interaction effect is better, user's use experience has been promoted.

Specifically, the restoring member 4 is disposed at one side of the body 320 in the first direction, for example, when the first direction is from the rear to the front, the restoring member 4 may be disposed at the left or right side of the body 320; when the first direction is the left-right direction, the restoring member 4 may be disposed at a rear side, a front side, or an upper side of the body 320. Taking fig. 5 and 6 as an example, the resetting member 4 is disposed on the right side of the body 320 and elastically and telescopically disposed in a direction approaching or separating from the body 320, i.e., right and left, and the body 320 is formed with a guide surface 43 toward the right side of the resetting member 4, and when the body 320 moves forward from the first trigger position, one end of the resetting member 4 approaching the body 320 is elastically pressed against the guide surface 43, so that the body 320 moves backward.

In order to convert the lateral pressure applied by the reset element 4 to the body 320 into a force in the direction from the second trigger position to the first trigger position, the guide surface 43 is disposed to be inclined in the first direction toward the extending direction of the reset element 4, as shown in fig. 2 and 5, the first direction is from the back to the front, the extending direction of the reset element 4 is from the right to the left, and in this embodiment, the guide surface 43 is inclined in the direction from the right to the left in the direction from the back to the front. When the body 320 moves forward from the first trigger position, the reset piece 4 abuts against the guide surface 43 and starts to slide from front to back along the guide surface 43 along with the movement of the body 320, and the reset piece 4 is compressed and accumulated to form pressure on the guide surface 43, so that the body 320 is urged to move from front to back.

Preferably, the return element 4 comprises an abutment head 41 for abutting the body 320 and a spring 42, the spring 42 being provided between the abutment head 41 and the casing 1. Further, the tip of the abutment head 41 is provided spherically so that the abutment head 41 is less obstructed when slidably fitted with the guide surface 43.

In another embodiment, two signal switches 22 are provided, and the operation body 31 is configured to be able to activate the acceleration signal switch 22a when moved forward from the first position and to activate the deceleration signal switch 22b when moved backward from the first position, and in this case, to ensure that the operation body 31 can be automatically reset, two guide surfaces 43 are provided, one inclined in a right-left direction in a backward-forward direction and the other inclined in a right-left direction in a forward-backward direction.

Referring to fig. 8 to 10, in an embodiment of the present invention, when the operation body 31 is in the first position, the user may press the operation body 31 to adjust the speed. Specifically, in this embodiment, the main body 320 includes a main body 3201 and a supporting portion 3202, the main body 3201 is slidably disposed in the accommodating cavity, a through hole 3203 is formed on the main body 3201, the supporting portion 3202 extends into the through hole 3203 from a hole wall of the through hole 3203, the operating body 31 is disposed on a side of the supporting portion 3202 away from the circuit board 2, the second triggering member 322 is disposed on a side of the supporting portion 3202 facing the circuit board 2, and when the main body 320 moves to the first triggering position, the second triggering member 322 is disposed opposite to the signal switch 22. In this embodiment, the main body 3201 extends along the first direction, and the tail end of the main body 3201 in the first direction is bent toward the circuit board 2 to form a bent portion, the bent portion constitutes the first trigger 321, so that when the operating body 31 moves to the first position along the first direction, the first trigger 321 abuts against the on-off switch 21, and at this time, the second trigger 322 is located above the signal switch 22. Since the second trigger 322 is disposed at the lower side of the supporting part 3202 and the operating body 31 is disposed at the upper side of the supporting part 3202, when the user presses the operating body 31, the supporting part 3202 rotates downward, which brings the second trigger 322 to move downward until it abuts against the signal switch 22, at which time, the user releases his hand, the external force is released, and the supporting part 3202 rebounds upward.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An electric power tool, characterized by comprising:

a housing formed with an accommodation chamber;

2. The power tool of claim 1, wherein the trigger body comprises:

3. The power tool of claim 2, wherein said on-off switch includes a first fixed contact electrically connected to said electric circuit, and a first movable contact contactable with and separable from said first fixed contact;

4. The power tool of claim 3, wherein the first direction is from the first activated position to the second activated position;

5. The power tool of claim 2, wherein the body, the first trigger member, and the second trigger member are integrally formed.

6. The power tool of claim 2, further comprising a reset member disposed between the housing and the body for resetting the body from the second trigger position to the first trigger position.

7. The power tool of claim 6, wherein a first direction is from the first activated position to the second activated position;

8. The power tool of claim 7, wherein said guide surface is disposed obliquely to an extending direction of said restoring member in said first direction.

9. The power tool of claim 2, wherein the body includes a main body portion and a support portion, the main body portion is slidably disposed in the accommodating cavity, a through hole is formed in the main body portion, and the support portion extends from a hole wall of the through hole to the inside of the through hole;

10. The power tool of claim 2, wherein the signal switch includes an acceleration signal switch for generating an acceleration signal and a deceleration signal switch for generating a deceleration signal;

the second position comprises an acceleration position and a deceleration position, when the operating body moves to the acceleration position, the second trigger piece triggers the acceleration signal switch, and when the operating body moves to the deceleration position, the second trigger piece triggers the deceleration signal switch.