Screw clamping device and screw tool
A technology of clamping device and screw tool, which is applied in the direction of motor tools, manufacturing tools, screwdrivers, etc., can solve the problems of inconvenient screwing process, screw inclination, and inability to really improve work efficiency, etc., and achieve the effect of compact size
Active Publication Date: 2014-10-22
POSITEC TECH CHINA CO LTD
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Problems solved by technology
But these clamping screw devices are bulky, and the clamping force to the screw is small, and the screw is easy to fall off from these clamping devices or the situation of screw tilting occurs, which brings inconvenience to the screwing process and cannot really improve work efficiency.
Method used
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[0057] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0058] Such as Figure 1 to Figure 8 Shown is a screw tool 1 according to an embodiment of the invention. The screw tool here can be either a screwdriver belonging to an electric tool or a hand tool. In this embodiment, the screw tool 1 includes a housing 2 . The casing 2 generally extends along the direction of the working axis X1. A motor (not shown) is accommodated in the housing 2. The motor is used to generate a rotary output about the working axis X1. The screw tool also includes a handle 21 for holding. The handle 21 extends in a direction deviating from this axis, so that the screw tool 1 as a whole has a pistol shape. The handle 21...
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A screw clamping device is used for assisting a screw tool (1) to position a screw. The screw tool (1) provides and outputs rotary power for the screw. The screw clamping device (3) comprises: a main body (4), connected to the screw tool (1); a clamping mechanism (5), located a longitudinal front end of the main body (4) along the axis and capable of moving between a clamping position for clamping the screw and a loosening position for loosening the screw, and the clamping mechanism (5) comprising at least two clamping arms (51); a driving mechanism (6), driving the clamping mechanism (5) to move. The driving mechanism (6) comprises at least two groups of connection units (61) separately corresponding to and connected to the clamping arms (51), and guide units (62) corresponding to and guiding movements of the connection units (61). Each group of connection units (61) comprises a first connection piece (611) and a second connection piece (612). The first connection piece (611) moves longitudinally and moves horizontally; and the second connection piece (612) at least moves longitudinally, so as to drive the clamping arm (51) to generate a pivotal motion and a longitudinal rectilinear motion.
Description
technical field [0001] The invention relates to a screw clamping device and a screw tool. Background technique [0002] In human's daily life, screwing is very common and can be applied to many occasions. At present, there are several common methods for screwing screws into workpieces. One method is to use hand tools to screw screws into workpieces. However, this method has many disadvantages. The manual tool cannot provide additional torque and can only rely on the laborer himself to provide torque, which consumes a lot of physical strength of the laborer. In addition, the rotational speed of the hand tool is very low, so that the time it takes for the screw to be screwed into the workpiece is greatly prolonged, reducing the efficiency of the laborer. [0003] There is also a method to screw the screw into the workpiece using an electric tool, and the electric tool can be a screwdriver, an electric drill, or the like. Electric tools use electric drive motors to output me...
Claims
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IPC IPC(8): B25B23/10B25B21/00
CPCB25B23/10B25B21/00B25B23/005
Inventor 马一纯徐静涛张士松
Owner POSITEC TECH CHINA CO LTD