CN219235227U - Electric tool - Google Patents

Abstract

The utility model discloses an electric tool, which comprises a shell, a driving unit, a transmission unit and a working unit, wherein a first partition plate and a second partition plate are arranged in the shell, and the first partition plate and the second partition plate divide the internal space of the shell into a first accommodating cavity, a second accommodating cavity and a third accommodating cavity which are communicated with each other; the transmission unit is completely positioned in the first accommodating cavity, the working unit is at least partially positioned in the first accommodating cavity, the driving unit comprises a motor and a motor control board electrically connected with the motor, the motor is positioned in the second accommodating cavity, and the motor control board is positioned in the third accommodating cavity; through at motor rear end installation motor control panel for originally install the motor control panel cancellation in the handle, the space that saves makes the radial dimension of handle diminish, and the person of facilitating the use grips, and makes the size of whole electric tool diminish, so as to operate in narrow and small space.

Description

Electric tool

Technical Field

The utility model relates to an electric tool, and belongs to the technical field of electric tools.

Background

The impact screwdriver is widely used in the mechanical industry and the building industry, and generally comprises a driving unit, a transmission unit and a working unit, wherein a motor control board of the driving unit is often installed in a handle, and the radial dimension of the handle is overlarge due to the fact that the motor control board has a certain length and a certain width, so that a user cannot conveniently hold the handle, and the use feeling of the user is affected.

Disclosure of Invention

The utility model aims to provide an electric tool which can solve the problems that the radial size of a handle is too large and the handle is inconvenient to hold due to the fact that a traditional motor control board is arranged in the handle.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the electric tool comprises a shell, a driving unit, a transmission unit and a working unit, wherein a first partition plate and a second partition plate are arranged in the shell, and the first partition plate and the second partition plate divide the internal space of the shell into a first accommodating cavity, a second accommodating cavity and a third accommodating cavity which are communicated with each other; the transmission unit is located entirely in the first accommodating cavity, the working unit is located at least partially in the first accommodating cavity, the driving unit comprises a motor and a motor control board electrically connected with the motor, the motor is located in the second accommodating cavity, and the motor control board is located in the third accommodating cavity.

Optionally, the electric tool further comprises a handle, and an included angle is formed by intersecting the axis of the motor and the axis of the handle.

Optionally, the included angle ranges from 45 ° to 135 °.

Optionally, a battery accommodating cavity is arranged in the handle, and a battery pack is arranged in the battery accommodating cavity.

Optionally, the battery pack is removably mounted in the battery receiving cavity.

The utility model has the beneficial effects that: the electric tool comprises a shell, a driving unit, a transmission unit and a working unit, wherein a first partition plate and a second partition plate are arranged in the shell, the first partition plate and the second partition plate divide the internal space of the shell into a first accommodating cavity, a second accommodating cavity and a third accommodating cavity which are communicated with each other, the transmission unit is completely positioned in the first accommodating cavity, the working unit is at least partially positioned in the first accommodating cavity, the driving unit comprises a motor and a motor control board electrically connected with the motor, the motor is positioned in the second accommodating cavity, and the motor control board is positioned in the third accommodating cavity; through at motor rear end installation motor control panel for originally install the motor control panel cancellation in the handle, the space that saves makes the radial dimension of handle diminish, and the person of facilitating the use grips, and makes the size of whole electric tool diminish, so as to operate in narrow and small space.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an electric tool according to the present application.

100-electric tool, 1-casing, 11-first baffle, 12-second baffle, 13-first accommodation chamber, 14-second accommodation chamber, 15-third accommodation chamber, 2-drive unit, 21-motor, 22-motor control panel, 3-drive unit, 4-work unit, 5-handle, 51-battery accommodation chamber, 6-battery package, 7-shift knob.

Detailed Description

The detailed description of the present application is further described in detail below with reference to the drawings and examples. The following examples are illustrative of the present application, but are not intended to limit the scope of the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description created in this application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application can be understood by those of ordinary skill in the art in a specific context.

Referring to fig. 1, a preferred embodiment of the present application provides an electric tool 100, which includes a housing 1, a driving unit 2, a transmission unit 3 and a working unit 4, wherein the housing 1, the driving unit 2, the transmission unit 3 and the working unit 4 are coaxially disposed. The shell 1 is internally provided with a first baffle 11 and a second baffle 12, the first baffle 11 and the second baffle 12 divide the internal space of the shell 1 into a first accommodating cavity 13, a second accommodating cavity 14 and a third accommodating cavity 15 which are mutually communicated, the transmission unit 3 is completely positioned in the first accommodating cavity 13, and the working unit 4 is at least partially positioned in the first accommodating cavity 13. The driving unit 2 includes a motor 21 and a motor control board 22 electrically connected to the motor 21, the motor 21 being located in the second accommodation chamber 14, the motor control board 22 being located in the third accommodation chamber 15. The electric tool 100 further includes a handle 5, in this embodiment, the motor 21 is set to be a large-diameter motor, so that the axial length of the motor 21 is shortened, so that an unnecessary third accommodating cavity 15 is reserved for installing the motor control board 22, the motor control board 22 originally installed in the handle 5 is eliminated, and the saved space enables the radial dimension of the handle 5 to be reduced, so that the handle is convenient for a user to hold.

Further, the output shaft of the motor 21 extends from the second accommodating cavity 14 into the first accommodating cavity 13 and is connected with the transmission unit 3, and a positioning bearing 23 is mounted on the other end of the motor 21 opposite to the output shaft for positioning the motor 1 and preventing the motor 1 from shaking in the second accommodating cavity 14.

In the present embodiment, the transmission unit 3 is of a gear box structure for transmitting the driving force of the motor 21 to the working unit 4. It should be noted that, the specific structure and working principle of the gear box structure are the prior art, and the description is omitted herein.

A battery receiving cavity 51 is provided in the handle 5, and a battery pack 6 is mounted in the battery receiving cavity 51 for supplying power to the power tool 100. In this embodiment, the battery pack 6 is removably mounted in the battery accommodating chamber 51. So set up for the dismouting of battery package 6 is more convenient.

Alternatively, the axis of the motor 21 and the axis of the handle 5 intersect to form an angle. In this embodiment, the included angle is in the range of 45 ° -135 °. By the arrangement, on one hand, a user can conveniently use the electric tool 100, and on the other hand, the electric tool is attractive in appearance.

Optionally, a switch button 7 is further disposed on the handle 5, and the switch button 7 is located near one end of the housing 1, so as to be convenient for a user to operate. The switch button 7 is electrically connected with the motor control board 22 and is used for controlling the start and stop of the motor 21.

In summary, the application provides an electric tool, which comprises a shell, a driving unit, a transmission unit and a working unit, wherein a first partition plate and a second partition plate are arranged in the shell, the first partition plate and the second partition plate divide the internal space of the shell into a first accommodating cavity, a second accommodating cavity and a third accommodating cavity which are mutually communicated, the transmission unit is completely positioned in the first accommodating cavity, the working unit is at least partially positioned in the first accommodating cavity, the driving unit comprises a motor and a motor control board electrically connected with the motor, the motor is positioned in the second accommodating cavity, and the motor control board is positioned in the third accommodating cavity; through at motor rear end installation motor control panel for originally install the motor control panel cancellation in the handle, the space that saves makes the radial dimension of handle diminish, and the person of facilitating the use grips, and makes the size of whole electric tool diminish, so as to operate in narrow and small space.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. The electric tool comprises a shell, a driving unit, a transmission unit and a working unit, and is characterized in that a first partition plate and a second partition plate are arranged in the shell, and the first partition plate and the second partition plate divide the internal space of the shell into a first accommodating cavity, a second accommodating cavity and a third accommodating cavity which are communicated with each other; the transmission unit is located entirely in the first accommodating cavity, the working unit is located at least partially in the first accommodating cavity, the driving unit comprises a motor and a motor control board electrically connected with the motor, the motor is located in the second accommodating cavity, and the motor control board is located in the third accommodating cavity.

2. The power tool of claim 1, further comprising a handle, wherein an axis of the motor intersects an axis of the handle to form an included angle.

3. The power tool of claim 2, wherein the included angle is in the range of 45 ° to 135 °.

4. The power tool of claim 3, wherein a battery receiving cavity is provided in the handle, and a battery pack is mounted in the battery receiving cavity.

5. The power tool of claim 4, wherein the battery pack is removably mounted within the battery receiving cavity.

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