CN215575547U

CN215575547U - Electric tool convenient to detect motor

Info

Publication number: CN215575547U
Application number: CN202121955149.7U
Authority: CN
Inventors: 陈益彬
Original assignee: Ningbo Bangshou Electric Co ltd
Current assignee: Ningbo Bangshou Electric Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-18
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an electric tool convenient for detecting a motor, which comprises a tool bit assembly, a driving assembly and a transmission assembly, wherein the transmission assembly comprises a transmission wheel, a transmission shaft and a connecting sleeve; the adapter sleeve upper end is equipped with the cavity, and equidistant a plurality of driving blocks that are equipped with in the cavity, and the lower extreme of actuating lever is equidistant a plurality of driving blocks that are equipped with, and the driving block is arranged in the cavity and is laminated with the driving block. According to the electric tool convenient for detecting the motor, the motor is connected with the driving rod at the lower end of the blade through the connecting sleeve, when the motor rotates forwards, the driving block can drive the driving block and the driving rod to integrally rotate, so that the blade runs, and when the motor rotates backwards, the driving rod cannot rotate.

Description

Electric tool convenient to detect motor

Technical Field

The utility model relates to the technical field of electric tools, in particular to an electric tool convenient for detecting a motor.

Background

An electric trimming tool such as an electric shaver is generally composed of a stainless steel mesh enclosure, an inner blade, a micro motor and a housing. The net cover is a fixed outer blade, and a plurality of holes are formed in the net cover, and beards can extend into the holes. The micro motor is driven by electric energy to drive the inner blade to move, and the beard extending into the hole is cut off by utilizing the shearing principle. The electric shaver can be divided into a rotary type and a reciprocating type according to the action characteristics of the inner blade. The power supply used is dry battery, accumulator and AC charging.

The motors of the electric tools need to be connected with the positive and negative electrodes of a circuit when being installed, the motors can be reversely rotated when the motors are reversely connected, so that the shearing of products is poor, but the existing electric tools can only verify whether the installation of the motors has problems through a shearing test, and the detection mode has low efficiency and is not easy to find, so that the problems of product quality and safety exist.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the technical problem of providing an electric tool convenient for detecting a motor so as to solve the problem that the wiring mode of the motor in the electric tool in the prior art is inconvenient to detect.

(II) technical scheme

In order to solve the technical problem, the utility model provides an electric tool convenient for detecting a motor, which comprises a tool bit assembly, a driving assembly and a transmission assembly, wherein the transmission assembly comprises a transmission wheel, a transmission shaft and a connecting sleeve; a cavity is arranged at the upper end of the connecting sleeve, a plurality of transmission blocks are arranged in the cavity at equal intervals, a plurality of driving blocks are arranged at the lower end of the driving rod at equal intervals, and the driving blocks are arranged in the cavity and attached to the transmission blocks; specifically, the transmission block is provided with a first curved surface and a first plane, the driving block is provided with a second curved surface and a second plane, the first curved surface is adjacent to the second curved surface, the first plane is adjacent to the second plane, the driving assembly further comprises a power supply and a motor, the power supply is electrically connected with the motor, a gear on an output shaft of the motor is meshed with the transmission wheel, when the motor rotates forwards, the transmission wheel drives the connecting sleeve to rotate, so that the transmission block in the connecting sleeve is attached to the driving block on the driving rod, at the moment, the first plane on the transmission block is attached to the second plane on the driving block, the connecting sleeve can drive the driving rod to rotate through the first plane and the second plane, when the motor rotates backwards, the first curved surface on the transmission block is attached to the second curved surface on the driving block, at the moment, the driving rod is driven by the first curved surface and the second curved surface to reciprocate up and down relative to the connecting sleeve, at the moment, the connecting sleeve cannot drive the driving rod to rotate, and whether the motor connection is correct can be directly tested through the mode.

Further, the cutter head assembly further comprises a planetary gear set and a cutter head, a main gear in the planetary gear set is fixed to the upper end of the driving rod, a plurality of auxiliary gears are arranged on the periphery of the main gear, the auxiliary gears are meshed with the main gear, and the cutter head is installed on the auxiliary gears.

Further, a motor support is installed at the upper end of the motor in a positioned mode, a motor shaft of the motor penetrates through the motor support, the driving wheel and a gear on the motor shaft of the motor are installed in the motor support, a circuit board is further installed on one side of the power supply, and an upper cover is further arranged above the cutter head.

(III) advantageous effects

According to the electric tool convenient for detecting the motor, the motor is connected with the driving rod at the lower end of the blade through the connecting sleeve, the connecting sleeve is matched with the driving block through the driving block, when the motor rotates forwards, the driving block can drive the driving block and the driving rod to integrally rotate, so that the blade runs, and when the motor rotates backwards, the driving rod cannot rotate.

Drawings

FIG. 1 is an exploded view of a power tool of the present invention that facilitates detection of the motor;

FIG. 2 is a perspective view of a power tool for facilitating detection of a motor in accordance with the present invention;

FIG. 3 is a perspective view of a connection sleeve of an electric tool for facilitating detection of a motor according to the present invention;

fig. 4 is a perspective view of the bottom of a driving rod of an electric tool for facilitating detection of a motor according to the present invention.

Wherein: the device comprises a driving wheel 1, a transmission shaft 2, a connecting sleeve 3, a driving rod 4, a cavity 5, a transmission block 6, a driving block 7, a first curved surface 8, a first plane 9, a second curved surface 10, a second plane 11, a power supply 12, a motor 13, a tool bit 14, a main gear 15, a pinion 16, a motor bracket 17, a circuit board 18 and an upper cover 19.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1 to 4, the electric tool convenient for detecting a motor of the present invention comprises a tool bit assembly, a driving assembly and a transmission assembly, wherein the transmission assembly comprises a transmission wheel 1, a transmission shaft 2 and a connecting sleeve 3, the transmission wheel 1 is connected with the connecting sleeve 3 through the transmission shaft 2, the driving assembly is used for driving the transmission wheel 1, a driving rod 4 is arranged in the tool bit assembly, and the bottom end of the driving rod 4 is arranged in the connecting sleeve 3; the upper end of the connecting sleeve 3 is provided with a cavity 5, a plurality of transmission blocks 6 are arranged in the cavity 5 at equal intervals, a plurality of driving blocks 7 are arranged at the lower end of the driving rod 4 at equal intervals, and the driving blocks 7 are arranged in the cavity 5 and attached to the transmission blocks 6.

Referring to fig. 2 to 4, specifically, a first curved surface 8 and a first plane 9 are arranged on the transmission block 6, a second curved surface 10 and a second plane 11 are arranged on the driving block 7, the first curved surface 8 is adjacent to the second curved surface 10, the first plane 9 is adjacent to the second plane 11, the driving assembly further comprises a power supply 12 and a motor 13, wherein the power supply 12 is electrically connected with the motor 13, and a gear on an output shaft of the motor 13 is meshed with the transmission wheel 1; when the motor 13 corotation, the drive wheel 1 drives the adapter sleeve 3 to rotate, make the drive block 6 in the adapter sleeve 3 and the drive block 7 laminating on the actuating lever 4, the first plane 9 on the drive block 6 and the second plane 11 laminating on the drive block 7 this moment, adapter sleeve 3 accessible first plane 9 and second plane 11 drive the actuating lever 4 rotatory, when the motor reversal, the first curved surface 8 on the drive block 6 and the second curved surface 10 on the drive block 7 laminate, actuating lever 4 is relative to adapter sleeve 3 up-and-down reciprocating motion under the drive of first curved surface 8 and second curved surface 10 at this moment, adapter sleeve 3 can't drive actuating lever 4 rotatory this moment, can directly test whether the motor is connected correctly through this kind of mode, compare in original detection mode, detection efficiency has been improved.

In this embodiment, the cutter head assembly further includes a planetary gear set and a cutter head 14, wherein a main gear 15 in the planetary gear set is fixed at the upper end of the driving rod 4, the driving rod 4 drives the main gear 15 to rotate when rotating, a plurality of sub-gears 16 are arranged around the main gear 15, the sub-gears 16 are meshed with the main gear 15, the cutter head 14 is installed on the sub-gears 16, the sub-gears 16 and the cutter head 14 are driven to rotate synchronously when the main gear 15 rotates, a motor support 17 is installed at the upper end of the motor 13 in a positioning manner, a motor shaft of the motor 13 penetrates through the motor support 17, gears on the motor shafts of the driving wheel 1 and the motor 13 are installed in the motor support 17, a circuit board 18 is further installed at one side of the power supply 12, and an upper cover 19 is further arranged above the cutter head 14 to play a role in protection.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electric tool convenient to detect motor, includes tool bit subassembly, drive assembly and transmission assembly, its characterized in that: the transmission assembly comprises a transmission wheel (1), a transmission shaft (2) and a connecting sleeve (3), the transmission wheel (1) is connected with the connecting sleeve (3) through the transmission shaft (2), the driving assembly is used for driving the transmission wheel (1), a driving rod (4) is arranged in the cutter head assembly, and the bottom end of the driving rod (4) is arranged in the connecting sleeve (3); adapter sleeve (3) upper end is equipped with cavity (5), equidistant a plurality of driving pieces (6) of being equipped with in cavity (5), the lower extreme equidistant a plurality of driving pieces (7) of being equipped with of actuating lever (4), driving piece (7) are arranged in cavity (5) and with the laminating of driving piece (6).

2. The power tool for facilitating detection of a motor of claim 1, wherein: be equipped with first curved surface (8) and first plane (9) on transmission piece (6), be equipped with second curved surface (10) and second plane (11) on drive piece (7), first curved surface (8) with second curved surface (10) are adjacent, first plane (9) with second plane (11) are adjacent.

3. The power tool for facilitating detection of a motor of claim 1, wherein: the driving assembly further comprises a power source (12) and a motor (13), the power source (12) is electrically connected with the motor (13), and a gear on an output shaft of the motor (13) is meshed with the transmission wheel (1).

4. The power tool for facilitating detection of a motor of claim 1, wherein: the cutter head assembly further comprises a planetary gear set and a cutter head (14), a main gear (15) in the planetary gear set is fixed to the upper end of the driving rod (4), a plurality of auxiliary gears (16) are arranged on the periphery of the main gear (15), the auxiliary gears (16) are meshed with the main gear (15), and the cutter head (14) is installed on the auxiliary gears (16).

5. The power tool for facilitating detection of a motor of claim 3, wherein: the upper end of the motor (13) is provided with a motor support (17) in a positioning mode, a motor shaft of the motor (13) penetrates through the motor support (17), and the transmission wheel (1) and a gear on the motor shaft of the motor (13) are arranged in the motor support (17).

6. The power tool for facilitating detection of a motor of claim 3, wherein: a circuit board (18) is also mounted on one side of the power supply (12).

7. The power tool for facilitating detection of a motor of claim 4, wherein: an upper cover (19) is also arranged above the cutter head (14).