CN220903224U - Electric tool - Google Patents

Electric tool Download PDF

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Publication number
CN220903224U
CN220903224U CN202322542693.4U CN202322542693U CN220903224U CN 220903224 U CN220903224 U CN 220903224U CN 202322542693 U CN202322542693 U CN 202322542693U CN 220903224 U CN220903224 U CN 220903224U
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CN
China
Prior art keywords
wall
power tool
setting device
straight line
handle assembly
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Active
Application number
CN202322542693.4U
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Chinese (zh)
Inventor
黄瑞贞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mobiletron Electronics Co Ltd
Original Assignee
Mobiletron Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mobiletron Electronics Co Ltd filed Critical Mobiletron Electronics Co Ltd
Priority to CN202322542693.4U priority Critical patent/CN220903224U/en
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Publication of CN220903224U publication Critical patent/CN220903224U/en
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Abstract

An electric tool is provided with a main body shell and a handle assembly connected with the main body shell; the main body shell is provided with a head part and a tail part which are sequentially arranged along a second direction and positioned on a linear line, and one side of the tail part facing the second direction is provided with an end wall and a setting wall which is closer to the handle component; defining a straight line which is tangential to the most convex portion of the handle assembly and to the end wall surface and which intersects the straight line axis as an impact boundary line, the arrangement wall being located on a side of the impact boundary line facing in a first direction opposite to the second direction; the tail portion has a setting device therein, and the panel portion thereof is exposed to the setting wall. The panel part is arranged at the tail part and is positioned in the collision boundary, so that the setting device is not easy to collide with an external object compared with the end wall and the handle assembly, and a user can select and set the running mode of the electric tool.

Description

Electric tool
Technical Field
The present utility model relates to an electric tool, and more particularly, to a setting device for a power tool, which is installed at a location where the power tool is not easily collided, so that the setting device is not easily damaged by the collision.
Background
Existing electric tools, such as electric wrenches, electric screwdrivers, electric drills, electric nailers, and the like, use a motor as a power source. Because users have a need to set an operation mode of the electric tool, for example, a need to change the direction of the electric tool or adjust the rotational speed and the torque of the electric tool, in recent years, there are many more electric tools on the market than there are setting devices on a machine body, so as to provide users with a function of setting an operation mode of the electric tool.
However, when the user uses the electric tool, the user often places the electric tool in a working area beside the user's body when the electric tool is not in use. Other hard objects exist in the working area, so that the electric tool is easy to fall down or fall down, even the electric tool collides with other objects in the process of holding and moving by a user, the setting device is fragile, the setting device is often arranged at a position where the surface of the setting device is more convex and is easy to collide, and the setting device of the electric tool is easy to damage due to collision and loses the function of setting the running mode of the electric tool.
Disclosure of utility model
Accordingly, a primary object of the present utility model is to provide an electric tool, which is capable of avoiding damage to the setting device caused by collision by arranging the setting device at a position where the electric tool is not easily collided by other objects, and enabling a user to conveniently set an operation mode of the electric tool by the setting device.
In order to achieve the above object, the present utility model provides an electric tool comprising a main body, a motor, a reduction gear set, an output shaft, a control circuit and a setting device, wherein the main body comprises a main body shell and a handle assembly connected to one side around the main body shell; the main body shell is provided with a head part and a tail part which are sequentially positioned on a linear axis, a first direction and a second direction are defined along two opposite directions of the linear axis, the head part is positioned on one side of the tail part facing the first direction, one side of the tail part facing the second direction is provided with an end wall and a setting wall, and the setting wall is closer to the handle assembly than the end wall.
The handle assembly includes a handle housing and a battery module; one end of the grab handle shell is provided with a base end part and is used for being connected with the main body shell, and the other end of the grab handle shell, which is far away from the base end part, is provided with a battery joint part; the battery module is detachably coupled to the battery engaging portion; defining a straight line intersecting said straight line axis as a collision boundary line, both tangential to the most convex portion of said handle assembly in the second direction and to the surface of said end wall; the arrangement wall is located on a side of the collision boundary line toward the first direction.
The motor, the reduction gear set and the output shaft are arranged in the main body shell by taking the linear axis as a rotation center and are sequentially connected along the first direction, and the output shaft is provided with a driving head protruding out of the head; the control circuit is arranged in the machine body and is respectively and electrically connected with the motor and the battery module, so as to control the motor to act; the setting device is arranged in the tail part and is electrically connected with the control circuit, and the setting device is provided with a panel part which is exposed out of the setting wall.
According to the utility model, the setting wall is positioned at one side of the collision boundary line facing the first direction, and the panel part of the setting device is outwards exposed out of the setting wall, so that the setting device is protected by the handle assembly and the end wall of the tail part, and compared with the handle assembly and the end wall which are more protruded towards the second direction, the setting wall where the setting device is positioned has low possibility of being collided by external objects, thus the setting device can be prevented from being damaged by the collision of the external objects. The setting wall is located at one side of the tail of the machine body facing the second direction, and is a position which is easy to be visually and easily contacted by hand when the user holds the handle assembly, so that the panel part of the setting device is exposed outwards from the setting wall, and the setting device has the function of enabling the user to conveniently set the electric tool on the panel part.
The above-described power tool is preferably provided such that the most protruding portion of the assembly in the second direction is defined as a portion of the battery module.
The electric tool is preferably provided with an opening on the surface of the setting wall, and the panel part is exposed out of the setting wall from the opening; the surface of the panel part can be aligned with the periphery of the opening, or the panel part can be arranged at the inner side of the opening, so that the probability of collision of the panel part by external objects is further reduced. Preferably, the panel part of the setting device is provided with a button, and the button is used for triggering the control circuit to select to control the electric tool to operate in different operation modes; further, the panel part of the setting device is provided with a display area, at least one LED lamp is arranged in the display area, and the at least one LED lamp is used for displaying which operation mode the electric tool is in when the button trigger control circuit selects to control the electric tool to operate in different operation modes.
The power tool is preferably arranged such that the opening has an upper edge closer to the linear axis and a lower edge farther from the linear axis, the upper edge being parallel to the lower edge. A virtual inclined straight line intersecting the straight line axis and passing through the upper edge intermediate point and the lower edge intermediate point, wherein an inclined angle smaller than 90 degrees is formed between the inclined straight line and the straight line axis; preferably, the inclination angle is between 45 degrees and 90 degrees; most preferably, the tilt angle is between 65 degrees and 75 degrees.
Drawings
Fig. 1 is a perspective view of a first preferred embodiment of the present utility model;
fig. 2 is a perspective view of another view of the first preferred embodiment of the present utility model;
FIG. 3 is a side view of a first preferred embodiment of the present utility model;
FIG. 4 is a top view of a first preferred embodiment of the present utility model;
FIG. 5 is a cross-sectional view taken along line F5-F5 of FIG. 4;
FIG. 6 is a cross-sectional view taken along line F6-F6 of FIG. 4;
FIG. 7 is a rear side view of FIG. 1;
FIG. 8 is a schematic view of FIG. 4 showing the relative positions of the set walls and the impact boundary line;
fig. 9 is a side view of a second preferred embodiment of the present utility model.
Reference numerals illustrate:
100: electric tool
10: Fuselage body
11: Main body shell
12: Head part
13: Tail part
131: End wall
132: Setting wall
133: Surface of the body
134: An opening
135: Upper edge
136: Lower edge of
14: Middle section
15: Handle assembly
16: Handle shell
161: Base end portion
162: Battery joint
163: Trigger opening
164: Trigger switch
165: Steering button
17: Battery module
17A: battery module
171: Battery box
172: Connecting cylinder
173: Inserted bar part
20: Motor with a motor housing
30: Reduction gear set
40: Output shaft
42: Impact device
421: Impact drill
43: Shaft body
44: Driving head
50: Control circuit
60: Setting device
61: Display area
611: LED lamp
62: Panel part
63: Push button
CL: straight line axis
D1: first direction
D2: second direction
IL: collision boundary line
TL: inclined straight line
Θ: inclination angle
Detailed Description
In order to more clearly illustrate the present utility model, two preferred embodiments are described in detail below in conjunction with the accompanying drawings. Referring to the first preferred embodiment shown in fig. 1 to 5 and 7, the electric tool 100 of the first preferred embodiment of the present utility model is an electric wrench for locking or releasing a bolt on or from an object. The electric tool 100 includes a main body 10, a motor 20, a reduction gear set 30, an output shaft 40, a control circuit 50, and a setting device 60.
The body 10 includes a body case 11 and a handle assembly 15 coupled to one side around the body case 11. The main body 11 has a head 12 and a tail 13 sequentially disposed on a virtual straight axis CL, and a middle section 14 is connected between the head 12 and the tail 13. The opposite directions along the straight line axis CL define a first direction D1 and a second direction D2, the head 12 and the tail 13 are respectively connected to one side of the middle section 14 facing the first direction D1 and the other side facing the second direction D2, and the head 12 is located at one side of the tail 13 facing the first direction D1.
Referring to fig. 1 to 3 and 5, the tail portion 13 has an end wall 131 and a mounting wall 132 on a side facing the first direction D1. In the preferred embodiment, the end wall 131 is substantially perpendicular to the straight axis CL, and the end wall 131 protrudes toward the second direction D2 as compared to the arrangement wall 132; wall 132 is disposed closer to handle assembly 15 than end wall 131. The wall 132 has a surface 133, the surface 133 having an opening 134, the opening 134 having an upper edge 135 closer to the line axis CL and a lower edge 136 farther from the line axis CL, the upper edge 135 being parallel to the lower edge 136. An imaginary inclined straight line TL intersecting the straight line axis CL and passing through the intermediate point of the upper edge 135 and the intermediate point of the lower edge 136 has an inclination angle θ smaller than 90 degrees with respect to the straight line axis CL, so that the surface of the installation wall 132 is inclined with respect to the end wall 131. Preferably, the inclination angle θ is between 45 degrees and 90 degrees; optimally, the tilt angle θ is between 65 degrees and 75 degrees. In this way, the surface 133 of the setting wall 132 and the opening 134 thereof are generally oriented in a visual direction when the user holds the handle assembly 15, so that the user can easily see the position where the user touches the setting wall 132 with his/her hand.
The handle assembly 15 includes a handle housing 16 and a battery module 17. One end of the handle shell 16 is provided with a base end 161 which is used for being connected to one side around the main body shell 11, a trigger opening 163 is arranged on one side of the base end 161 facing the first direction D1, and a trigger switch 164 of which a part penetrates out of the trigger opening 163 is arranged in the base end 161; a steering knob 165 is inserted into a portion of the base end portion 161 adjacent to the main body case 11, and the steering knob 165 has three switching functions, i.e., a forward rotation position and a reverse rotation position between an intermediate position and a reverse direction. The grip housing 16 is connected to the tail portion 13 and the middle portion 14 of the main body housing 11 at a base end portion 161 to form a housing including the tail portion 13, the middle portion 14, and the grip housing 16. The other end of the handle housing 16 remote from the base end portion 161 has a battery engaging portion 162 for detachably engaging the battery module 17. In the preferred embodiment, the battery module 17 has a battery case 171, a side of the battery case 171 facing the handle case 16 has an engagement cylinder 172, and a plug-in lever 173 is provided in the engagement cylinder 172. When the battery module 17 is detachably combined with the handle shell 16, the inserting rod portion 173 penetrates into the handle shell 16, the engagement barrel 172 abuts against the free end of the handle shell 16, and the engagement barrel 172 is buckled with the battery engaging portion 162.
Referring to fig. 5, 7 to 8, a straight line intersecting the surface of the end wall 131 and the straight line axis CL is defined as an impact boundary line IL, which is tangential to both the most convex portion of the handle assembly 15 in the second direction D2. In the present preferred embodiment, the most convex portion of the assembly 15 toward the second direction D2 is the most convex portion of the battery case 171 of the battery module 17 toward the second direction D2. In the present preferred embodiment, the setting wall 132 is located on the side of the collision boundary line IL toward the first direction D1. In this way, when the electric tool 100 is impacted from the side of the second direction D2, or when the electric tool 100 falls in the direction of the floor toward the side of the second direction D2, the portion of the handle assembly 15, especially the battery module 17, and the portion of the end wall 131 of the tail portion 13, which is more protruded toward the second direction D2 by the electric tool 100 will first encounter an impact, so as to generate the effect of protecting the setting wall 132, and reduce the probability of the setting wall 132 suffering from an impact of an external object. Furthermore, the surface 133 reduces the area of the surface 133 facing the second direction D2 compared to the end wall 131 facing the second direction D2, and further reduces the probability that the surface 133 directly collides with an external object compared to the end wall 131 having the inclined surface 132.
Referring to fig. 5 to 8, the motor 20, the reduction gear set 30, and the output shaft 40 are sequentially connected in the first direction D1 with the linear axis CL as the rotation center. In the present preferred embodiment, the reduction gear set 30 is a planetary gear set and is connected between the motor 20 and the output shaft 40 for reducing and transmitting the rotational output of the motor 20 to the output shaft 40. An impact device 42 is disposed in the main housing 11 at a side close to the head 12, and the impact device 42 has an impact drill 421 sleeved on the output shaft 40. The impact device 42 is used in the process of locking or unscrewing the bolt of the power tool 100, when a certain degree of resistance is encountered, the impact drill 421 applies intermittent impact force to the output shaft 40 in the same direction as the rotation direction of the output shaft 40, so as to provide intermittent auxiliary torque force to the output shaft 40 to overcome the resistance. Specifically, the output shaft 40 has a shaft body 43 and a driving head 44 connected to the shaft body 43, the impact drill 421 is sleeved on the shaft body 43, and the driving head 44 protrudes out of the head 12 for connecting with the bolt sleeve.
The control circuit 50 is disposed within the body 10. In the preferred embodiment, the control circuit 50 is disposed within the body housing 11 on a side adjacent the handle housing 16. The control circuit 50 is electrically connected to the motor 20, the trigger switch 164, the steering knob 165, and the battery module 17, respectively, and the battery module 17 supplies power necessary for the operation of the power tool 100 through the control circuit 50. The control circuit 50 is triggered by a signal of the trigger switch 164 to control the motor 20 to operate, when the steering knob 165 is switched to the forward rotation position, the control circuit 50 is caused to control the motor 20 to operate in forward rotation, and when the steering knob 165 is switched to the reverse rotation position, the control circuit 50 is caused to control the motor 20 to operate in reverse rotation; the control circuit 50 is also capable of receiving signals from the setting device 60, thereby selectively controlling the motor 20 to drive the output shaft 40 at different rotational speeds and torques, so that the electric tool 100 operates in different rotational speed and torque modes of operation. The setting device 60 is disposed in the tail portion 13 and has a panel portion 62 exposed from the setting wall 132; in the present preferred embodiment, the panel portion 62 is located inside the opening 134, and is exposed outward through the opening 134 of the placement wall 132. The setting device 60 is electrically connected to the control circuit 50, and the control circuit 50 is configured to selectively control the motor 20 to drive the output shaft 40 at different rotational speeds and torques by setting the panel portion 62 by a user, thereby operating the electric tool 100 in different rotational speed and torque modes.
As described above, since the setting device 60 is disposed at the tail portion 13, the panel portion 62 is exposed from the opening 134 to the disposing wall 132. The setting device 60 is protected by the protective handle assembly 15, in particular by the portion of the battery module 17 and by the end wall 131 of the tail 13, thanks to the fact that the setting wall 132 is located on the side of the impact boundary line IL facing the first direction D1; the arrangement of the walls 132 provides a low probability of being impacted by an external object, and also makes the setting device 60 less susceptible to damage from an external object impact. In addition, the panel portion 62 exposed from the opening 134 is not only directed to the visual direction of the user, so that the panel portion 62 is easily touched and set by the user, and the user can conveniently select the operation mode of the electric tool 100; the design of disposing the panel portion 62 inside the opening 134 can further prevent external objects from directly striking the panel portion 62 of the setting device 60.
In the preferred embodiment, the setting device 60 has a display area 61 on the panel 62, the display area 61 has a plurality of LED lamps 611, specifically, the display area 61 has three LED lamps 611; the panel 62 has a button 63 at a portion outside the display area 61, and the button 63 includes a micro switch and is electrically connected to the control circuit 50 for triggering the control circuit 50 to selectively control the electric tool 100 to operate in different operation modes, and the control circuit 50 is electrically connected to the plurality of LED lamps 611.
In the preferred embodiment, referring to fig. 5 and 7, when the steering knob 165 is cut to the middle position, the electric quantity of at least three sections of low, medium and high can be displayed by the number of the lights of the three LED lamps 611 by pressing the trigger switch 164; when the steering knob 165 is turned to the forward rotation position, the control circuit 50 can be triggered to control the motor 20 by pressing the push button 63, and when the trigger switch 164 is pressed by a user, the motor 20 is selectively controlled to rotate at different rotation speeds so as to drive the output shaft 40 in torsion. In the preferred embodiment, the control circuit 50 is capable of controlling the motor 20 to output torque from low to high in four steps, and switching torque and rotational speed in one, two, three, four steps in a cyclic manner when the button 63 is pressed. When the control circuit 50 controls the motor 20 to drive the output shaft 40 with the rotating speed and the torque of a specific number of segments, and the electric tool 100 is operated with the rotating speed and the torque of the specific number of segments; by means of the display mode that only the first, the second and the third of the three LED lamps 611 are lighted and all are lighted, the operation mode that the electric tool 100 is in the torsion and rotation speed of one section, two sections, three sections and four sections is displayed, that is, the rotation speed torsion of the electric tool 100 when running is displayed on the LED lamps 611 by lamp signals. In other preferred embodiments, the number of the three LED lamps 611 can be increased to indicate the torque speed.
In other preferred embodiments, only one LED lamp 611 may be provided on the display area 61 of the panel 62, and the color of the single LED lamp 611, such as red, orange (or yellow), green, etc., may be used to represent that the electric tool 100 is operated at different rotational speeds and torsionally at a high, medium or low level, or to represent that the current power is low, medium or high. In other preferred embodiments, one or more seven segment displays may be substituted for the one or more LED lights or the combination of LED lights. A seven-segment display can display the relative magnitudes of the rotational speed, torque, and power (e.g., the relative magnitudes of the rotational speed, torque, and power are represented by numbers from 0 to 9 displayed by a seven-segment display) in the display area 61, or specific values of the rotational speed, torque, and power can be displayed by a combination of more than two seven-segment displays.
Or if a plurality of LED lamps 611 are disposed on the panel portion 62, the numerical value of the torque of the motor 20 controlled by the current control circuit 50 can be directly displayed on the liquid crystal panel for driving the output shaft 40, or the current power is low, medium or high or the remaining power is displayed in percentage for the user to view. In addition to the first preferred embodiment, the present utility model uses the setting device 60 to trigger the control circuit 50 to select the operation mode of the electric tool 100, and the operation mode may be other possible operation modes of the electric tool 100, for example, the setting device 60 is used to replace the steering button 165 to control the motor 20 to drive the output shaft 40 to rotate forward and backward.
Referring to fig. 9, a second preferred embodiment of the present utility model is different from the first preferred embodiment in that the battery engaging portion 162 of the body 10 incorporates a different form of battery module 17A in the second preferred embodiment. The battery module 17A of the second preferred embodiment is still the most convex portion of the assembly 15 toward the second direction D2. When a straight line intersecting the most convex portion of the handle assembly 15 in the second direction D2 and the surface of the end wall 131 is defined as an impact boundary line IL, the setting wall 132 is still located on the side of the impact boundary line IL toward the first direction D1. In this way, the setting device 60 of the second preferred embodiment is also protected by the handle assembly 15 and the end wall 131 of the tail portion 13, and is less likely to be damaged by an external object collision.
In addition to the first and second preferred embodiments described above, the panel portion 62 of the setting device 60 is provided in the opening 134 of the installation wall 132, and in other preferred embodiments, the surface of the panel portion 62 may be provided in alignment with the periphery of the opening 134. At this time, the panel portion 62 of the setting device 60 is still protected by the handle assembly 15 and the end wall 131 of the tail portion 13 on the side of the collision boundary line IL toward the first direction D1.
The foregoing description is only illustrative of the preferred embodiments of the utility model, and is therefore intended to cover all modifications that fall within the true scope of the utility model as defined by the following claims.

Claims (9)

1. An electric tool, comprising a body, a motor, a reduction gear set, an output shaft, a control circuit and a setting device, wherein:
The body comprises a body shell and a handle assembly connected to one side around the body shell; the main body shell is provided with a head part and a tail part which are sequentially positioned on a linear axis, a first direction and a second direction are defined along two opposite directions of the linear axis, the head part is positioned at one side of the tail part facing the first direction, one side of the tail part facing the second direction is provided with an end wall and a setting wall, and the setting wall is closer to the handle assembly than the end wall;
The handle assembly includes a handle housing and a battery module; one end of the grab handle shell is provided with a base end part and is used for being connected with the main body shell, and the other end of the grab handle shell, which is far away from the base end part, is provided with a battery joint part; the battery module is detachably coupled to the battery engaging portion; defining a straight line intersecting said straight line axis as a collision boundary line, both tangential to the most convex portion of said handle assembly in the second direction and to the surface of said end wall; the arrangement wall is positioned at one side of the collision boundary line facing the first direction;
The motor, the reduction gear set and the output shaft are arranged in the main body shell by taking the linear axis as a rotation center and are sequentially connected along the first direction, and the output shaft is provided with a driving head protruding out of the head; the control circuit is arranged in the machine body and is respectively and electrically connected with the motor and the battery module, so as to control the motor to act; the setting device is arranged in the tail part and is electrically connected with the control circuit, and the setting device is provided with a panel part which is exposed out of the setting wall.
2. The power tool of claim 1, wherein the mounting wall has a surface, the surface having an opening, the faceplate portion being exposed from the opening to the mounting wall.
3. The power tool of claim 2, wherein the most convex portion of the handle assembly toward the second direction is a portion of the battery module.
4. The power tool of claim 2, wherein said opening has an upper edge nearer said linear axis and a lower edge farther from said linear axis, said upper edge being parallel to said lower edge; a virtual inclined straight line intersecting the straight line axis and passing through the upper edge intermediate point and the lower edge intermediate point at the same time, wherein an inclined angle smaller than 90 degrees is formed between the inclined straight line and the straight line axis.
5. The power tool of claim 4, wherein the tilt angle is between 45 degrees and 90 degrees.
6. The power tool of claim 5, wherein the tilt angle is between 65 degrees and 75 degrees.
7. The power tool according to claim 2, wherein the panel portion is provided inside the opening.
8. The power tool of claim 7, wherein the faceplate portion of the setting device has a button for triggering the control circuit to select different modes of operation for controlling operation of the power tool.
9. The power tool of claim 8, wherein the panel portion of the setting device has a display area with at least one LED light for displaying which mode of operation the power tool is in when the button triggers the control circuit to select the different modes of operation.
CN202322542693.4U 2023-09-19 2023-09-19 Electric tool Active CN220903224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322542693.4U CN220903224U (en) 2023-09-19 2023-09-19 Electric tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322542693.4U CN220903224U (en) 2023-09-19 2023-09-19 Electric tool

Publications (1)

Publication Number Publication Date
CN220903224U true CN220903224U (en) 2024-05-07

Family

ID=90903629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322542693.4U Active CN220903224U (en) 2023-09-19 2023-09-19 Electric tool

Country Status (1)

Country Link
CN (1) CN220903224U (en)

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