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Electric circular saw

An electric circular saw and saw blade technology, which is applied to circular saws, portable motorized circular saws, sawing equipment, etc., can solve the problems of the center of gravity being located on one side of the saw blade, inconvenient control, laborious, etc., to ensure stability, The effect of reducing the length

Pending Publication Date: 2021-11-16
NANJING CHERVON IND
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] However, during the use of DC power circular saws currently on the market, the motor is usually set on one side of the circular saw blade, so that the center of gravity of the electric circular saw is located on one side of the saw blade.
Therefore, during the operation of the electric circular saw, the user needs to apply more force to prevent the electric circular saw from twisting, which makes the operation of the electric circular saw too laborious and difficult to control

Method used

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Embodiment Construction

[0043] In order to clearly illustrate the technical scheme of the present application, it is defined as figure 1 Up, down, front, back, left and right shown.

[0044] Such as Figure 1 to Figure 4 The electric circular saw 100 shown in the first embodiment is specifically a hand-held electric circular saw, which includes: a casing 10, a motor 20, a battery pack 30, a transmission assembly 40, a cutting attachment 50, an output shaft 60 and a bottom plate 70. Wherein, the casing 10 is formed with a receiving cavity. The motor 20 has a motor shaft 21 capable of rotating around the first axis 101 , and the motor 20 can drive the output shaft 60 to rotate around the first axis of rotation 102 , and the motor 20 is at least partially disposed in the accommodating cavity. The battery pack 30 is installed on the electric circular saw 100 to provide energy source for the motor 20 . The transmission assembly 40 is used to transmit the power output by the motor 20 to the output shaf...

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Abstract

The invention discloses an electric circular saw. The electric circular saw comprises a main machine and a battery pack. The main machine comprises a saw blade, a machine shell, a motor, a transmission assembly and a battery pack assembly, wherein the saw blade can rotate around a first rotating axis, a containing cavity is formed in the machine shell in a surrounding mode, the machine shell comprises a main handle, and the battery pack assembly is installed on the machine shell; the battery pack assembly comprises a first battery pack installed on the machine shell in the first linear direction and a second battery pack installed on the machine shell in the second linear direction. in the advancing direction of the electric circular saw, the first distance a1 between the second end of the first battery pack and the first axis is smaller than the sum of the second distance a2 between the first end of the first battery pack and the first axis in the first linear direction and the distance c1 of the first battery pack in the length direction of the first battery pack; and the third distance a3 between the fourth end of the second battery pack and the first axis is smaller than the sum of the fourth distance a4 between the third end of the second battery pack and the first axis in the second linear direction and the distance c2 of the second battery pack in the length direction of the second battery pack. The electric circular saw is stable in operation and reasonable in structure.

Description

technical field [0001] The invention relates to a cutting tool, in particular to an electric circular saw. Background technique [0002] The electric circular saw is a tool that is powered by a single-phase series-excited motor, and then drives a circular saw blade through a transmission mechanism for sawing operations. Electric circular saws are classified according to the type of power supply. Electric circular saws are mainly divided into DC electric circular saws and AC electric circular saws. DC electric circular saws are popular among users because of their safety, reliability, high work efficiency, and portability. [0003] However, during the use of the current DC power circular saws on the market, the motor is usually arranged on one side of the circular saw blade, so that the center of gravity of the electric circular saw is located on one side of the saw blade. Therefore, during the operation of the electric circular saw, the user needs to apply more force to pre...

Claims

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Application Information

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IPC IPC(8): B23D45/16B25F5/00
CPCB23D45/16B25F5/00B23D47/12B27B9/00B25F5/02B25F5/001
Inventor 杨俊勇黎聪叶俊杰吕芳雅付祥青陈亮吴书明
Owner NANJING CHERVON IND
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