Novel electric drill

Abstract

The utility model provides a novel electric drill which comprises a shell, a motor, a drill bit quick connecting piece and a battery module are arranged in the shell, one end of the drill bit quick connecting piece is in driving connection with the output end of the motor, the other end of the drill bit quick connecting piece is used for being detachably connected with an external drill bit, and the battery module is detachably assembled in the shell and supplies power to the motor. The drill bit quick connecting piece is configured to be capable of achieving a locked butt joint state with a drill bit. The shell is further provided with a touch piece, and the touch piece is configured to be used for releasing the locking state of the drill bit quick connecting piece and the drill bit. According to the novel electric drill, the appearance of a traditional electric drill is broken from the aspect of attractiveness, and the novel electric drill has future science and technology sense and intelligent design; the exposed rotating part is hidden through the shell, so that the possibility that long hair is rolled in can be reduced, or the risk that fingers touch by mistake can be reduced; and finally, the drill bit is quickly disassembled by arranging the touch piece, so that the drill bit is convenient for non-professional users to use and wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of electric drills, in particular to a new type of electric drill. Background Art

[0002] The electric drill is a conventional product among power tools and also the most in-demand power tool product. Its principle is that the motor rotor of a small-capacity electromagnetic rotary or electromagnetic reciprocating electric motor performs magnetic field cutting and work operation, and drives the operating device through the transmission mechanism, driving the gears to increase the power of the drill bit, thereby allowing the drill bit to scrape the surface of the object and penetrate the object better.

[0003] However, the drill bits of existing electric drills are inconvenient to disassemble and assemble during use, which greatly affects the speed of replacing the drill bits and further affects work efficiency. In addition, the connection structures of existing electric drills are mostly exposed on the outside of the casing, which can easily lead to accidents due to accidental touches. In addition, the existing electric drills have complex structures, which are difficult for non-professionals to operate and have a small scope of application.

[0004] Therefore, in view of the deficiencies in the prior art, it is necessary to design a novel electric drill to solve the above problems. Utility Model Content

[0005] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a new type of electric drill.

[0006] To achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a new type of electric drill, including a shell, in which a motor, a drill quick connector and a battery module are arranged, one end of the drill quick connector is drivingly connected to the output end of the motor, and the other end of the drill quick connector is used for detachable connection with an external drill bit, the battery module is detachably assembled in the shell and supplies power to the motor; the drill quick connector is configured to be able to achieve a locked docking state with the drill bit; a trigger is also provided on the shell, and the trigger is configured to release the locking state between the drill quick connector and the drill bit.

[0007] The preferred technical solution is: the shell is constructed as a gun body structure, the motor and the drill quick connect are arranged at the barrel of the shell, an opening is provided at the muzzle of the shell, and one end of the drill quick connect away from the motor is arranged in the opening; the battery module is detachably inserted in the handle of the shell.

[0008] The preferred technical solution is: the drill bit quick connector is composed of a connecting tube, a sleeve, a steel ball and a first spring; one end of the connecting tube is drivingly connected to the output end of the motor; the other end of the connecting tube is arranged in the opening and a slot for inserting the drill bit plug-in end is formed at the end; the sleeve is sleeved on the outside of the connecting tube and arranged corresponding to the slot; an annular cavity is formed between the connecting tube and the sleeve; the first spring is sleeved on the connecting tube and located in the annular cavity; one end of the first spring is abutted against a retaining ring provided on the connecting tube; the other end of the first spring is abutted against a step surface formed in the sleeve; a tapered hole corresponding to and connected to the slot is provided on the connecting tube; the steel ball is provided in the tapered hole and partially protrudes from the inner wall of the slot; an annular protrusion corresponding to the tapered hole is provided on the inner side of the sleeve.

[0009] The preferred technical solution is: the trigger is composed of a slide and a second spring, the slide is slidably arranged on the shell along the axial direction of the connecting pipe, a positioning fork is provided on the slide, an annular groove is formed on the outer side of the sleeve, the positioning fork is inserted in the annular groove, the second spring is arranged along the axial direction of the connecting pipe, one end of the second spring is against the shell, and the other end of the second spring is against the slide.

[0010] The preferred technical solution is: a bearing is further provided in the housing, an outer ring of the bearing is fixedly connected to the housing, and an inner ring of the bearing is fixedly connected to the outer periphery of the connecting pipe.

[0011] The preferred technical solution is: a controller is also provided in the shell, a switch button is provided at the handle on the shell, the switch button is connected to the controller, and the controller is connected to the motor and the battery module.

[0012] The preferred technical solution is: a battery slot is provided at the handle of the shell, the battery module is detachably inserted into the battery slot, and a snap structure for locking or unlocking the battery module is provided on the shell.

[0013] Due to the application of the above technical solution, the utility model has the following beneficial effects:

[0014] The utility model provides a new electric drill, which breaks the traditional appearance of electric drills in terms of aesthetics and has a futuristic sense of technology and intelligent design. The exposed rotating parts are hidden by the shell, which can reduce the possibility of long hair being caught in the drill or the risk of accidental touch by fingers. Finally, the quick release of the drill bit is achieved by setting a trigger piece, which is convenient for non-professional users to use and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the electric drill structure.

[0016] Figure 2 The utility model is a schematic diagram of the internal structure of the electric drill.

[0017] Figure 3 The utility model is a schematic diagram of the assembly of the motor and the drill bit quick connector.

[0018] Figure 4 It is a cross-sectional view of part of the drill bit quick connector involved in the utility model. DETAILED DESCRIPTION

[0019] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0020] See also Figure 1-Figure 4 . It should be noted that in the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Example:

[0023] like Figures 1 to 4As shown, according to an overall technical concept of the utility model, a new type of electric drill is provided, including a shell 1, in which a motor 2, a drill quick connector 3 and a battery module 4 are arranged, one end of the drill quick connector 3 is drivingly connected to the output end of the motor 2, and the other end of the drill quick connector 3 is used for detachable connection with an external drill bit (not shown), the battery module 4 is detachably assembled in the shell 1 and supplies power to the motor 2; the drill quick connector 3 is configured to be able to achieve a locked docking state with the drill bit; a trigger 5 is also provided on the shell 1, and the trigger 5 is configured to release the locking state of the drill quick connector 3 and the drill bit.

[0024] like Figures 1 to 4 As shown, in an exemplary embodiment of the utility model, the shell 1 is constituted as a gun body structure, the motor 2 and the drill quick connector 3 are arranged at the barrel of the shell 1, an opening is provided at the muzzle of the shell 1, and the end of the drill quick connector 3 away from the motor 2 is arranged in the opening; the battery module 4 is detachably inserted in the handle of the shell 1.

[0025] like Figures 1 to 4 As shown, in an exemplary embodiment of the utility model, the drill bit quick connector 3 is composed of a connecting tube 31, a sleeve 32, a steel ball 33 and a first spring 34. One end of the connecting tube 31 is drivingly connected to the output end of the motor 2, and the other end of the connecting tube 31 is arranged in the opening and a slot 311 for inserting the drill bit plug end is formed at the end. The sleeve 32 is sleeved on the outside of the connecting tube 31 and arranged corresponding to the slot 311. An annular cavity 300 is formed between the connecting tube 31 and the sleeve 32. The first spring 34 is provided. The spring 34 is sleeved on the connecting tube 31 and is located in the annular cavity 300. One end of the first spring 34 abuts against the retaining ring 35 provided on the connecting tube 31, and the other end of the first spring 34 abuts against the step surface 321 formed in the sleeve 32. The connecting tube 31 is provided with a tapered hole 312 corresponding to the slot 311 and connected to the slot 311. The steel ball 33 is provided in the tapered hole 312 and partially protrudes from the inner wall of the slot 311. The inner side of the sleeve 32 is provided with an annular protrusion 322 corresponding to the tapered hole 312.

[0026] like Figures 1 to 4 As shown, in an exemplary embodiment of the present invention, the trigger 5 is composed of a slide 51 and a second spring 52. The slide 51 is slidably arranged on the housing 1 along the axial direction of the connecting tube 31. A positioning fork 511 is arranged on the slide 51. An annular groove 323 is formed on the outer side of the sleeve 32. The positioning fork 511 is inserted into the annular groove 323. The second spring 52 is arranged along the axial direction of the connecting tube 31. One end of the second spring 52 abuts against the housing 1, and the other end of the second spring 52 abuts against the slide 51. Figures 1 to 4 As shown, in an exemplary embodiment of the utility model, a bearing 6 is further provided in the housing 1, the outer ring of the bearing 6 is fixedly connected to the housing 1, and the inner ring of the bearing 6 is fixedly connected to the outer periphery of the connecting pipe 31 for circumferentially limiting the connecting pipe 31.

[0027] like Figures 1 to 4 As shown, in an exemplary embodiment of the utility model, a controller 7 is further provided in the shell 1, a switch button 8 is provided at the handle on the shell 1, the switch button 8 is connected to the controller 7, and the controller 7 is connected to the motor 2 and the battery module 4.

[0028] like Figures 1 to 4 As shown, in an exemplary embodiment of the utility model, a battery slot is provided at the handle of the shell 1, and the battery module 4 is detachably inserted into the battery slot. A spring structure 9 for locking or unlocking the battery module 4 is provided on the shell 1 (the spring structure 9 is a traditional structure and will not be described in detail here).

[0029] Therefore, the utility model has the following advantages:

[0030] The utility model provides a new electric drill, which breaks the traditional appearance of electric drills in terms of aesthetics and has a futuristic sense of technology and intelligent design. The exposed rotating parts are hidden by the shell, which can reduce the possibility of long hair being caught in the drill or the risk of accidental touch by fingers. Finally, the quick release of the drill bit is achieved by setting a trigger piece, which is convenient for non-professional users to use and has a wide range of applications.

[0031] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A new type of electric drill, characterized by: The invention comprises a shell, in which a motor, a drill quick connector and a battery module are arranged. One end of the drill quick connector is drivingly connected to the output end of the motor, and the other end of the drill quick connector is used for detachable connection with an external drill bit. The battery module is detachably assembled in the shell and supplies power to the motor. The drill quick connector is configured to be able to achieve a locked docking state with the drill bit. A trigger is also arranged on the shell, and the trigger is configured to release the locking state between the drill quick connector and the drill bit.

2. A novel electric drill according to claim 1, characterized in that: The shell is constructed as a gun body structure, the motor and the drill quick connect are arranged at the barrel of the shell, an opening is arranged at the muzzle of the shell, and one end of the drill quick connect away from the motor is arranged in the opening; the battery module is detachably inserted in the handle of the shell.

3. A new type of electric drill according to claim 2, characterized in that: The drill bit quick connector is composed of a connecting tube, a sleeve, a steel ball and a first spring. One end of the connecting tube is drivingly connected to the output end of the motor, the other end of the connecting tube is arranged in the opening and a slot for inserting the drill bit plug-in end is formed at the end, the sleeve is sleeved on the outer side of the connecting tube and arranged corresponding to the slot, an annular cavity is formed between the connecting tube and the sleeve, the first spring is sleeved on the connecting tube and located in the annular cavity, one end of the first spring is abutted against a retaining ring provided on the connecting tube, and the other end of the first spring is abutted against a step surface formed in the sleeve; a tapered hole corresponding to and connected to the slot is provided on the connecting tube, the steel ball is provided in the tapered hole and partially protrudes from the inner wall of the slot; an annular protrusion corresponding to the tapered hole is provided on the inner side of the sleeve.

4. A new type of electric drill according to claim 3, characterized in that: The trigger member is composed of a slide seat and a second spring. The slide seat is slidably arranged on the shell along the axial direction of the connecting pipe. A positioning fork is provided on the slide seat. An annular groove is formed on the outer side of the sleeve. The positioning fork is inserted into the annular groove. The second spring is arranged along the axial direction of the connecting pipe. One end of the second spring is against the shell, and the other end of the second spring is against the slide seat.

5. A novel electric drill according to claim 3, characterized in that: A bearing is also provided in the housing, the outer ring of the bearing is fixedly connected to the housing, and the inner ring of the bearing is fixedly connected to the outer periphery of the connecting pipe.

6. A novel electric drill according to claim 1, characterized in that: A controller is also provided in the shell, and a switch button is provided at the handle on the shell. The switch button is connected to the controller, and the controller is connected to the motor and the battery module.

7. A novel electric drill according to claim 1, characterized in that: A battery slot is provided at the handle of the shell, and the battery module is detachably inserted into the battery slot. A snap structure for locking or unlocking the battery module is provided on the shell.

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