Novel brushless percussion drill

Abstract

The novel brushless percussion drill comprises an electric drill bit, a gear box, a machine shell and a brushless motor, the machine shell comprises an upper containing cavity and a lower containing cavity, the gear box is arranged in the upper containing cavity, the front end of the gear box penetrates out of the front area of the upper containing cavity, the front end of the gear box is connected with the electric drill bit through a screw, and the brushless motor is connected with the brushless motor. A brushless motor is arranged in the rear area of the upper containing cavity, a motor gear is connected to the front end of a driving shaft of the brushless motor, the motor gear penetrates through the motor protection plate and is in transmission connection with the gearbox, a switch assembly is arranged in the lower containing cavity, and the switch assembly comprises an indicator lamp, a circuit board and a switch button. The switch button and the indicating lamp penetrate out of the lower containing cavity, a forward and reverse rotation push button is arranged at the bottom of the upper containing cavity, the forward and reverse rotation push button penetrates out of the bottom of the upper containing cavity, and the brushless percussion drill is reasonable and simple in structural design, low in cost and more beneficial to marketization popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware tools, in particular to a novel brushless impact drill. Background Art

[0002] A brushless impact drill is a drill bit that uses brushless motor technology. Brushless motors are relative to traditional brushed motors. The rotor of a brushless motor is basically an external rotating structure, which does not require carbon brushes for commutation. By controlling the phase sequence of the motor, the motor can be rotated forward and reverse, thus having better efficiency and response speed, longer service life, and lower noise. It is used in various types of power tools. Existing brushless impact drills have complex structural designs and high manufacturing costs, which are not conducive to market promotion and use. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a novel brushless impact drill.

[0004] The utility model adopts the following technical solutions:

[0005] A novel brushless impact drill comprises a brushless impact drill body, the brushless impact drill body comprises an electric drill bit, a gear box, a casing, and a brushless motor, the casing comprises an upper cavity and a lower cavity, a gear box is arranged inside the upper cavity, the front end of the gear box passes through the front area of ​​the upper cavity, the front end of the gear box is connected to the electric drill bit through screws, a brushless motor is arranged in the rear area of ​​the upper cavity, the front end of the brushless motor drive shaft is connected to a motor gear, the motor gear passes through a motor guard plate and is transmission-connected to the gear box, a switch assembly is arranged inside the lower cavity, the switch assembly comprises an indicator light, a circuit board, and a switch button, the switch button and the indicator light both pass through the lower cavity, a forward and reverse push-twist is arranged at the bottom of the upper cavity, and the forward and reverse push-twist passes through the bottom of the upper cavity.

[0006] As a preferred technical solution of the present utility model, the switch assembly is connected to the indicator light and the circuit board through a wire.

[0007] As a preferred technical solution of the utility model, the outer wall of the upper cavity of the casing is fixedly connected to the belt buckle by screws.

[0008] As a preferred technical solution of the present utility model, a lithium battery is provided at the bottom of the lower cavity.

[0009] As a preferred technical solution of the present invention, the brushless motor adopts a 12 volt-ampere motor.

[0010] As a preferred technical solution of the utility model, the length of the brushless impact drill body is 243±2 mm, and the width of the brushless impact drill body is 196±2 mm.

[0011] The beneficial effects of the utility model are:

[0012] The brushless impact drill of the utility model has reasonable and simple structural design, low cost and is more conducive to market promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an exploded view of the brushless impact drill of the utility model;

[0014] Figure 2 This is the front view of the brushless impact drill housing of the utility model;

[0015] Figure 3 This is the overall appearance of the brushless impact drill of the utility model.

[0016] Explanation of symbols in the figure:

[0017] 1: screw, 2: electric drill bit, 3: gear box, 4: housing, 401: upper cavity, 402: lower cavity, 5: switch assembly, 501: indicator light, 502: circuit board, 503: switch button, 6: belt buckle, 7: motor cover, 8: motor gear, 9: brushless motor, 10: forward and reverse push and twist. DETAILED DESCRIPTION

[0018] The utility model is now described in further detail with reference to the accompanying drawings.

[0019] In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "bottom", "right", "left", "above", "below", "back", "front", "middle", "outside", "inside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments.

[0020] like Figures 1 to 3As shown, a novel brushless impact drill comprises a brushless impact drill body, the brushless impact drill body comprises an electric drill bit 2, a gear box 3, a housing 4, and a brushless motor 9, the housing 4 comprises an upper cavity 401 and a lower cavity 402, the upper cavity 401 is provided with a gear box 3, the front end of the gear box 3 passes through the front area of ​​the upper cavity 401, the front end of the gear box 3 is connected to the electric drill bit 2 through a screw 1, the rear area of ​​the upper cavity 401 is provided with a brushless motor 9, the front end of the drive shaft of the brushless motor 9 is connected with a motor gear 8, the motor gear 8 passes through a motor guard plate 7 and is transmission-connected to the gear box 3, the lower cavity 402 is provided with a switch assembly 5, the switch assembly 5 comprises an indicator light 501, a circuit board 502, and a switch button 503, the switch button 503 and the indicator light 501 both pass through the lower cavity 402, the bottom of the upper cavity 401 is provided with a forward and reverse push knob 10, the forward and reverse push knob 10 passes through the bottom of the upper cavity 401.

[0021] Furthermore, the switch assembly 5 is connected to the indicator light 501 and the circuit board 502 via wires.

[0022] Furthermore, the outer wall of the upper cavity 401 of the housing 4 is fixedly connected to the belt buckle 6 via screws 1 .

[0023] Furthermore, a lithium battery is provided at the bottom of the lower chamber 402 .

[0024] Furthermore, the brushless motor 9 is a 12 volt-ampere motor.

[0025] Furthermore, the length of the brushless impact drill body is 243±2 mm, and the width of the brushless impact drill body is 196±2 mm.

[0026] Finally, it should be noted that these embodiments are only used to illustrate the present invention and do not limit the scope of the present invention. In addition, for those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. The obvious changes or modifications derived from them are still within the scope of protection of the present invention.

Claims

1. A new type of brushless impact drill, including a brushless impact drill body, characterized in that: The brushless impact drill body comprises an electric drill bit (2), a gear box (3), a housing (4), and a brushless motor (9); the housing (4) comprises an upper chamber (401) and a lower chamber (402); the gear box (3) is arranged in the upper chamber (401); the front end of the gear box (3) passes through the front area of ​​the upper chamber (401); the front end of the gear box (3) is connected to the electric drill bit (2) via a screw (1); the rear area of ​​the upper chamber (401) is provided with a brushless motor (9); the front end of the drive shaft of the brushless motor (9) is connected to the upper chamber (401); A motor gear (8) is provided, the motor gear (8) passes through a motor guard plate (7) and is transmission-connected to a gear box (3); a switch assembly (5) is arranged inside the lower cavity (402), the switch assembly (5) comprises an indicator light (501), a circuit board (502), and a switch button (503); the switch button (503) and the indicator light (501) both pass through the lower cavity (402); a forward and reverse push knob (10) is provided at the bottom of the upper cavity (401), and the forward and reverse push knob (10) passes through the bottom of the upper cavity (401).

2. A new type of brushless impact drill according to claim 1, characterized in that: The switch assembly (5) is connected to the indicator light (501) and the circuit board (502) via wires.

3. A new type of brushless impact drill according to claim 1, characterized in that: The outer wall of the upper cavity (401) of the housing (4) is fixedly connected to the belt buckle (6) via screws (1).

4. A new type of brushless impact drill according to claim 1, characterized in that: A lithium battery is provided at the bottom of the lower chamber (402).

5. A new type of brushless impact drill according to claim 1, characterized in that: The brushless motor (9) is a 12 volt-ampere motor.

6. A new type of brushless impact drill according to claim 1, characterized in that: The length of the brushless impact drill body is 243±2 mm, and the width of the brushless impact drill body is 196±2 mm.

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