Multifunctional combined electric tool
A multi-functional combination, power tool technology, applied in the direction of manufacturing tools, portable mobile devices, etc., can solve the problems of inconvenient production, carrying burden, increased cost, etc., and achieve the effect of being easy to carry and use.
Inactive Publication Date: 2013-03-06
王云逸
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Problems solved by technology
However, if it is necessary to buy a variety of electric tools to meet the needs in small, small, low-cost production jobs such as model making and student competition work that often require drilling, grinding, and repeated assembly and disassembly, this is undoubtedly the case. It will increase the cost, and at the same time, it will cause inconvenience to the production due to frequent replacement of electric tools and tool heads
In addition, in the actual use process, it is found that the tool heads required for use are often only a few of all the tool heads carried, and those tool heads that are not used will cause a greater burden to the user.
Method used
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Embodiment Construction
[0020] The accompanying drawings and the following specific implementation methods are all based on a storage device that can store four tool heads, the diameter of the sun gear 2 is twice the diameter of the sun gear 1, and the sun gear 2 is not connected to the main body of the electric tool for relative rotation. .
[0021] Such as Figure 4 , Prime mover, speed change device, mechanical constant torque device, tool chuck, storage device are connected and installed in sequence, plus the proper control circuit and switch to form the present invention, i.e. multi-functional combination electric tool. Among them, the mechanical constant torque device can be an optional device of the electric tool, which is used to protect the transmission device and the motor. Other necessary components include a power source to power the prime mover and a choice of tool heads.
[0022] The specific method of use is as follows: before use, the user selects some tool heads that may be used du...
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Disclosed is a multifunctional combined electric tool which is convenient to carry and can switch between output of low-speed large torque and output of high-speed small torque. The electric tool at least comprises four major parts of a prime mover, a speed changing device, a tool chuck and a storage device, a necessary control circuit and a necessary switch. Before the multifunctional combined electric tool is in use, a user selects a part of tool heads which are possibly used to be stored in the storage device in working and mounts the storage device on an electric tool to integrally carry without carrying a whole tool box. When the electric tool is in use, the user selects required tools and presses down the whole storage device to the tool body, and the selected tool is pushed to the storage device and can be used. Switching between output of high rotation speed and output of low rotation speed can be achieved by changing transmission ratio of the speed changing device, so that the multifunctional combined electric tool is suitable for various works.
Description
Technical field [0001] The invention relates to a variable-speed electric tool device integrating multiple common tools. Background technique [0002] At present, commonly used portable electric tools are mainly divided into two categories: those with low output speed and relatively large torque, electric screwdrivers for installing and disassembling bolt fasteners, and those with high output speed and relatively small torque. An electric drill used for drilling, grinding, etc. These tools are all to be used after selecting the required tool head in a tool box storing a lot of tool heads, and being clamped on the electric tool main body. Usually, the main body of the power tool and each tool head are disassembled and stored, and the tool box is carried as a whole. When in use, the tool head to be used is assembled on the electric tool for use. When changing the tool to use, the original tool head is dismantled, and the new required tool is assembled on the electric tool b...
Claims
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IPC IPC(8): B25F3/00
Inventor王云逸
Owner王云逸