JP3085276U - Portable power tools - Google Patents

Abstract

(57) [Problem] To provide a portable power tool that ensures the life of a rechargeable battery and facilitates battery replacement. SOLUTION: It mainly comprises a control switch 6, a driving device 7, and a power supply device 8 connected to a predetermined number of electric wires 50 in a casing 5. The casing 5 includes an inverted L-shaped left casing 51 and a right casing 5.
2 are arranged to face each other, and an installation space for installing the control switch 6, the driving device 7, the power supply device 8, and the like is formed therebetween. A storage chamber 53 for storing a battery 80 is formed, and a battery 80 is provided on one side thereof.
An opening 54 is provided for convenient attachment of a (general rechargeable battery or a general battery). A lid 55 is provided on the opening 54. For this reason, acquisition and replacement of batteries are quick and convenient. In addition to being able to use a general battery or a general rechargeable battery, it can be used by inserting a power supply into an AC power supply plug 84.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a portable power tool.

[0002]

[Prior art]

 Most of the power tools that have been used in the past have AC power, so electric wires are provided so that they can always be connected to the power socket. However, since the power sockets are all located at fixed locations, when using this type of power tool, it is necessary to connect the power supply with a long extension line, which is very inconvenient when using it. And the use place is limited. Portable power tools have been developed and used to solve this drawback.

As shown in FIG. 1, the structure of a conventional portable electric tool mainly includes a control switch 2, a driving device 3, and a power supply device 4 connected to a few electric wires 10 in a casing 1. . The casing 1 has a left casing 11 and a right casing 12 having an inverted L shape and facing each other, and an installation space for the control switch 2, the driving device 3, the power supply device 4, and the like is formed therebetween.

The control switch 2 includes a push button 20 and a lock button 21. The push button 20 is provided on the side of the casing 1 where the handle is located, and is used for controlling the forward or reverse rotation of the power tool. The lock button 21 is provided below the push button 20, and the operation of pressing the push button 20 downward by pressing the lock button 21 below the push button 20 is limited.

The driving device 3 is provided on the upper side in the casing 1. It comprises a motor 30, a gear set 31, a tool chuck 32 and a front cover 33. The gear set 31 is provided on one side of the motor 30 and has a predetermined number of gears driven by the motor 30. The other end of the gear set 31 is provided with a tool chuck 32 for mounting a tool, and a front cover 33 is provided outside the tool chuck 32 to seal them inside the casing 1 so as not to be exposed. The power supply 4 is constructed by connecting a dedicated, special and rechargeable battery 40 to an AC power supply plug 41, whereby the power tool is used directly with AC electricity. The charging battery 40 is charged by the AC power supply plug 41.

[0006]

[Problems to be solved by the invention]

 The structure of the conventional portable power tool described above can relieve the inconvenience of having to plug an electric wire into a power source like a conventionally used power tool, and has already been widely used in the industry, and However, it has the following disadvantages in use.

[0007] 1. The service life of the rechargeable battery is shortened. 2. Battery replacement is inconvenient. Therefore, an object of the present invention is to provide a portable power tool that ensures the life of a rechargeable battery and allows easy replacement of the battery.

[0008]

[Means for Solving the Problems]

 To achieve the above object, a portable power tool according to claim 1 of the present invention includes a casing, a control switch connected to a plurality of electric wires in the casing, a driving device, and a power supply device. A housing room for installing general batteries or general rechargeable batteries is provided in the casing. An opening and a lid are provided on one side of the accommodation room to make it easy to load and replace batteries, making it easy and easy to obtain power, and not restricted by the environment.

In the portable electric tool according to the second aspect of the present invention, mounting plates are provided on the upper and lower sides of the accommodation chamber, respectively. A plurality of positive conductive plates and negative conductive plates are provided on the mounting plate, and are connected to the control switch and the AC power supply through electric wires. The casing of the portable power tool according to the third aspect of the present invention comprises a left casing and a right casing which are formed in an inverted L shape and face each other. In the meantime, a space is provided for installing control switches, drive units, power supply units, etc.

The control switch of the portable power tool according to the present invention has a push button and a lock button. The push button is provided on the side of the casing where the handle is located. The lock button is provided below the push button. A driving device for a portable electric tool according to a fifth aspect of the present invention includes a motor, a gear set, a tool chuck, and a front cover, and is provided on an upper side in a casing. The gear set has one end provided on one side of the motor and a plurality of gears driven by the motor. The other end of the gear set is provided with a tool chuck for mounting tools, and the outside of the tool chuck is covered with a front cover to seal the motor, gear set and tool chuck inside the casing so that they are not exposed. Is provided.

[0011]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 2 and 3, the portable power tool according to the embodiment of the present invention mainly includes a control switch 6, a driving device 7, and a power supply device 8 connected to a predetermined number of electric wires 50 in a casing 5. Have been.

The casing 5 has an inverted L shape and includes a left casing 51 and a right casing 52 facing each other. In the meantime, an installation space for installing the control switch 6, the driving device 7, the power supply device 8, and the like is formed. The casing 5 is formed with a storage chamber 53 for storing a battery 80, and one side thereof is provided with an opening 54 for facilitating attachment of the battery 80 (general rechargeable battery or general battery). A lid 55 that covers the opening 54 is provided on the opening 54.

The control switch 6 includes a push button 60 and a lock button 61. The push button 60 is provided on the side of the casing 5 where the handle portion is located, and is used to control the forward or reverse rotation of the power tool. The lock button 61 is provided below the push button 60, and the operation of pressing the push button 60 downward is restricted.

The driving device 7 is provided on the upper side in the casing 5 and includes a motor 70, a gear set 71, a tool chuck 72, and a front cover 73. The gear set 71 is provided on one side of the motor 70 and has a predetermined number of gears driven by the motor 70. The other end of the gear set 71 is provided with a tool chuck 72 for mounting a tool. A front cover 73 is provided outside the tool chucks 72 to seal them inside the casing 5 so as not to be exposed.

The power supply device 8 is provided in a storage chamber 53 in which a battery 80 formed in the casing 5 is placed, and mounting plates 81 are provided above and below, respectively. A fixed number of positive and negative conductive plates 82 and 83 are provided on the mounting plate 81, and are connected to the control switch 6 and the AC power supply plug 84 by electric wires 50.

The present embodiment has the following special structure design, and thus has the following advantages in use. 1. Does not affect the service life of the rechargeable battery. A main part of the structure of the portable power tool according to the embodiment of the present invention is provided with a storage chamber 53 for placing a battery 80 in the casing 5. One side of the storage chamber 53 is convenient for loading and replacing the battery 80. An opening 54 and a lid 55 are provided. In addition to being able to load and use ordinary batteries or ordinary rechargeable batteries, when using the AC power plug-in 84 for power supply, attach batteries that require charging and charge them. It is possible to prevent the storage utility from being generated by removing a certain battery 80, and to shorten the service life of the battery 80.

[0017] 2. Battery replacement becomes faster and more convenient. As a main part of the structure of the portable power tool according to the embodiment of the present invention, a storage chamber 53 for placing the battery 80 in the casing 5 is provided. Loading and replacement of the battery 80 is very quick and convenient due to the provision of the opening 54 and the lid 55 for convenience, and it is very easy to obtain and replace the battery because it uses a commercially available battery. It is convenient.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a conventional portable power tool.

FIG. 2 is an exploded perspective view showing the portable power tool according to the embodiment of the present invention.

FIG. 3 is a perspective view showing a use state of the portable power tool according to the embodiment of the present invention;

FIG. 4 is a perspective view showing another use state of the portable power tool according to the embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 5 casing 6 control switch 7 drive device 8 power supply device 50 electric wire 53 accommodation room 54 opening 55 lid 80 battery

Claims (5)

[Utility model registration claims] 1. A portable power tool comprising a casing, a control switch connected to a plurality of electric wires inside the casing, a driving device, and a power supply device, wherein a battery is mounted inside the casing. A portable power tool, comprising a storage chamber, and an opening and a lid provided on one side of the storage chamber for convenient loading and replacement of the battery. 2. A mounting plate is provided above and below the storage chamber, and a plurality of positive conductive plates and negative conductive plates are provided on the mounting plate, and are connected to the control switch and the AC power supply through the electric wires. The portable power tool according to claim 1, wherein: 3. The casing includes a left casing and a right casing, each of which has an inverted L shape and is opposed to each other, and the control switch, the driving device, and the power supply device are provided between the left casing and the right casing. 2. The portable power tool according to claim 1, wherein a space in which is installed is formed. 4. The control switch has a push button and a lock button, the push button is provided on one side of the casing provided with a handle portion, and the lock button is provided below the push button. The portable power tool according to claim 1, wherein the power tool is provided. 5. The driving device includes: a motor, a gear set,
A gear set having a tool chuck and a front cover, the gear set being provided on an upper side inside the casing, the gear set having a plurality of gears, one end of which is provided on one side of the motor, and driven by the motor; The other end of the tool chuck is provided for mounting a tool, and the motor, the gear set and the tool chuck are sealed inside the casing so as not to be exposed outside the tool chuck. The portable power tool according to claim 1, wherein the front cover is provided.