Electric scissors with heat dissipation structure

Abstract

The utility model discloses an electric scissors with heat dissipation structure, which comprises a left casing and a right casing, the left casing and the right casing are buckled to form an accommodating space, a motor is arranged in the accommodating space, the motor has an output shaft, the front end of the output shaft is connected with a gear box, the rear end of the output shaft is connected with a fan, a fixed blade is fixed on a tool holder, a swing tooth is arranged on a movable blade, the gear box comprises a transmission shaft, the transmission shaft is engaged with the swing tooth, a first vent is arranged on the left casing, the first vent and the fan are located in the same plane, a second vent is arranged on the right casing, the second vent and the fan are located in the same plane, and a third vent is arranged at the tiger mouth of the left casing and the right casing. The utility model makes the air circulation on the surface of the motor, achieves the purpose of cooling the surface of the motor, avoids the high temperature of the whole electric scissors, and influences the hand feeling.

Description

Technical Field

[0001] This utility model relates to the field of electric scissors technology, and more specifically, to an electric scissors with a heat dissipation structure. Background Technology

[0002] For ease of use, electric scissors on the market are usually designed to be small and compact. This design results in the internal motor not being able to dissipate heat well. After working for a period of time, the heat from the motor radiates to the casing, causing the overall temperature to be high, reducing the user experience, or even making it unusable. Utility Model Content

[0003] The purpose of this invention is to provide an electric scissors with a heat dissipation structure to cool the surface of the motor and prevent the overall temperature of the electric scissors from being too high, which would affect the feel of the scissors.

[0004] This utility model provides an electric scissors with a heat dissipation structure, comprising: a left housing and a right housing, which are fastened together to form a receiving space, within which a motor is disposed.

[0005] The motor has an output shaft, with a gearbox connected to the front end of the output shaft and a fan connected to the rear end of the output shaft.

[0006] The fixed cutting tool is fixed on the tool holder, and the moving cutting tool is equipped with a swivel tooth. The gearbox includes a drive shaft, which meshes with the swivel tooth.

[0007] The first vent is located on the left casing, and is in the same plane as the fan, for airflow.

[0008] The second vent is located on the right side of the casing. It is flush with the fan and serves to allow airflow.

[0009] A third ventilation opening is provided at the web of the left and right casings.

[0010] Furthermore, the first and second ventilation openings are configured as air inlets, and the third ventilation opening is configured as an air outlet.

[0011] Furthermore, the first and second ventilation openings are located at the rear of the electric scissors.

[0012] Furthermore, the diameter of the fan is less than or equal to the diameter of the motor.

[0013] Furthermore, the fan has 6 blades.

[0014] Furthermore, the rear end of the output shaft includes a positioning part and a snap-fit ​​part, wherein the fan is mounted on the positioning part, and the clamp is connected to the snap-fit ​​part.

[0015] Furthermore, the positioning part is a flat shaft, the snap-fit ​​part is a groove, and the clamp is snapped into the groove to restrict the axial movement of the fan.

[0016] Furthermore, the fan has mounting holes, which are D-shaped holes, and the D-shaped holes are positioned on the flat shaft.

[0017] Furthermore, the clamp is located on the outside of the fan.

[0018] Furthermore, the trigger is prominently located on the exterior of the left and right housings, and its surface is coated with a conductive coating.

[0019] The beneficial effects of this utility model are:

[0020] By using a motor to drive a fan, and by setting vents on the left and right housings, external air is drawn in and blown onto the motor surface, allowing air circulation on the motor surface and achieving the purpose of cooling the motor surface, thus preventing the electric shears from overheating and affecting the feel. Attached Figure Description

[0021] Figure 1 The structure of the electric scissors of this utility model Figure 1 .

[0022] Figure 2 The structure of the electric scissors of this utility model Figure 2 .

[0023] Figure 3 The structure of the electric scissors of this utility model Figure 3 .

[0024] Figure 4 The structure of the electric scissors of this utility model Figure 4 .

[0025] Explanation of reference numerals in the attached drawings: Electric scissors 100, left housing 110, right housing 120, accommodating space 130, drive shaft 140, motor 200, output shaft 210, gearbox 300, fan 400, fixed blade 510, blade holder 520, moving blade 530, oscillating tooth 531, first ventilation port 111, second ventilation port 121, third ventilation port 140, positioning part 211, snap-fit ​​part 212, clamp 600, D-hole 410, trigger 700, conductive coating 710. Detailed Implementation

[0026] The present invention will now be described in detail with reference to the accompanying drawings:

[0027] like Figure 1 As shown, an electric scissors 100 with a heat dissipation structure includes: a left housing 110 and a right housing 120, which are fastened together to form a receiving space 130, and a motor 200 is disposed within the receiving space 130.

[0028] The motor 200 has an output shaft 210, the front end of which is connected to a gearbox 300, and the rear end of which is connected to a fan 400. A fixed blade 510 is fixed to a tool holder 520, and a swivel tooth 531 is provided on a moving blade 530. The gearbox 300 includes a drive shaft 140, which meshes with the swivel tooth 531.

[0029] The first ventilation opening 111 is located on the left housing 110, and the first ventilation opening 111 and the fan 400 are located in the same plane. The second ventilation opening 121 is located on the right housing 120, and the second ventilation opening 121 and the fan 400 are located in the same plane. The third ventilation opening 140 is located at the web between the left housing 110 and the right housing 120.

[0030] Furthermore, the first vent 111 and the second vent 121 are configured as air inlets, and the third vent 140 is configured as an air outlet. None of the first vent 111, the second vent 121, or the third vent 140 will be obstructed by the hands of the operator of the electric scissors 100.

[0031] Furthermore, the first vent 111 and the second vent 121 are arranged at the rear of the electric scissors 100.

[0032] Furthermore, the diameter of fan 400 is less than or equal to the diameter of motor 200.

[0033] Furthermore, the fan 400 has 6 blades.

[0034] When the motor 200 is working, it can drive the fan 400 to rotate, and draw in air from outside the left and right housings through the first vent 111 and the second vent 121. The cold air passes over the surface of the motor 200, takes away the heat from the surface of the motor 200, and carries the heat out through the third vent 140, thereby reducing the surface temperature of the motor 200. This ensures that the motor efficiency and shearing capacity are not reduced due to excessive temperature of the motor 200. At the same time, it can reduce the temperature of the grip area and improve the user experience.

[0035] like Figure 2 As shown, the rear end of the output shaft 210 includes a positioning part 211 and a snap-fit ​​part 212, wherein the fan 400 is disposed on the positioning part 211 and the clamp 600 is connected to the snap-fit ​​part 212.

[0036] Furthermore, the positioning part 211 is a flat shaft, the snap-fit ​​part 212 is a groove, and the clamp 600 is snapped into the groove to restrict the axial movement of the fan 400.

[0037] like Figure 3 As shown, the fan 400 has a D-shaped hole 410, which is positioned on the flat shaft.

[0038] Furthermore, clamp 600 is located on the outside of fan 400.

[0039] Furthermore, the trigger 700 is protruding from the exterior of the left housing 110 and the right housing 120, and the surface of the trigger 700 is provided with a conductive coating 710.

[0040] The conductive coating 710 is formed by carburizing the trigger 700.

[0041] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An electric scissors with a heat dissipation structure, characterized in that: include: The left and right casings are interlocked to form a receiving space, within which the motor is housed. The motor has an output shaft, with a gearbox connected to the front end of the output shaft and a fan connected to the rear end of the output shaft. The fixed cutting tool is fixed on the tool holder, and the moving cutting tool is equipped with a swivel tooth. The gearbox includes a drive shaft, which meshes with the swivel tooth. The first vent is located on the left casing, and is in the same plane as the fan, for airflow. The second vent is located on the right side of the casing. It is flush with the fan and serves to allow airflow. A third ventilation opening is provided at the web of the left and right casings.

2. The electric scissors according to claim 1, characterized in that: The first and second ventilation openings are set as air inlets, and the third ventilation opening is set as an air outlet.

3. The electric scissors according to claim 2, characterized in that: The first and second ventilation openings are located at the rear of the electric scissors.

4. The electric scissors according to claim 3, characterized in that: The diameter of the fan is less than or equal to the diameter of the motor.

5. The electric scissors according to claim 4, characterized in that: The fan has 6 blades.

6. The electric scissors according to claim 5, characterized in that: The rear end of the output shaft includes a positioning part and a snap-fit ​​part, wherein the fan is mounted on the positioning part and the clamp is connected to the snap-fit ​​part.

7. The electric scissors according to claim 6, characterized in that: The positioning part is a flat shaft, the snap-fit ​​part is a groove, and the clamp is snapped into the groove to restrict the axial movement of the fan.

8. The electric scissors according to claim 7, characterized in that: The fan has mounting holes, which are D-shaped holes, and the D-shaped holes are positioned on the flat shaft.

9. The electric scissors according to claim 8, characterized in that: The clamp is located on the outside of the fan.

10. The electric scissors according to claim 9, characterized in that: The trigger is prominently located on the exterior of the left and right housings, and its surface is coated with a conductive coating.

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