TWI643711B - Method for controlling an operated power wrench - Google Patents

Abstract

The invention discloses a method for operating a wrench, comprising: an electric motor, and an outer casing disposed on the electric motor. According to the design of the driving socket component, the power driving pipe wrench and the detector, the driving socket component is completely designed by itself, and the optimal gear ratio is 20:30, and the opening is in the shape of a plum blossom, which is convenient for operation and automatically positioned when the machine is stopped. The position of the opening can be blindly set without manual positioning. It is worth noting that the power-driven tube wrench has two speeds to support the automatic positioning function of the opening.

Description

Wrench operation method

The invention relates to the related field of a wrench, in particular to a method of operating a wrench.

In general, the pipe wrench of the rotatable slotted socket member must be manually aligned with the corresponding slot in the housing. A release lever is typically provided to disengage a portion of the driveline that leads to the socket member, thereby allowing it to be freely rotated by hand to an aligned position. In order to solve the above problem of manual alignment, the manufacturer provides a socket member with an automatic return function by tightening the fastener. No. 3,535,960, the apparatus of which is primarily provided with a spring such that when the device is braked by the appliance, the device stores rotational energy through the spring and then releases energy after the next socket member is removed through a fastener. The socket member is returned to the aligned position and a collapsible braking device is provided to sense the aligned position.

Please refer to FIG. 1. FIG. 1 is a schematic diagram of a conventional power supply. As shown in Fig. 1, the conventional power supply 1' has a latching portion 11'. Wherein the lock portion The 11' is provided with a flange; in this case, when the flange is locked by a wrench 3', a cable 2' provided on the locking portion 11' can be fixed.

Although the conventional power supply 1' shown in Fig. 1 has been widely used in the production of various electrical products, the locking portion 11' still has the following major drawbacks: (1) due to the locking portion 11' The utility model is locked by a wrench, so the locking force needs to be controlled manually. When the lock is too tight, the cable 2' is pressed by the locking portion 11' to deform the cable 2'; in addition, when the lock is too loose At this time, the locking portion 11' cannot be in close contact with the cable 2', and the gap may cause the power supply 1' to be dusted or flooded.

Therefore, in view of the fact that the conventional power supply 1' exhibits many drawbacks in practical applications, the inventors of the present invention have vigorously studied the invention and finally developed a method of operating the wrench of the present invention.

The main object of the present invention is to provide a method for operating a wrench, comprising the steps of: (1) providing a power drive pipe wrench and driving an electric motor by a controller; (2) pressing one of the controllers An electric screwdriver pressure plate for starting the power drive pipe wrench and performing step (3); (3) pressing the electric screwdriver pressure plate to start the electric motor, operating at a first rotation speed, and performing step (4); (4) Stabilizing the first rotational speed for locking a wire, and then performing step (5); (5) the electric motor detects a torque and stabilizes the first rotational speed, and then performs step (6); (6) When the torque reaches a set value, the electric screwdriver platen is released, and the electric motor runs at a low speed at a second speed and passes through a Hall The detector performs opening positioning detection, and then performs step (7); (7) the Hall detector confirms that the opening positioning is completed, and then performs step (8); and (8) the electric motor stops rotating, if If it continues to be used, step (2) is performed; if it is not used, step (8) is ended.

The operating method of the wrench of the present invention, in particular, the power driving pipe wrench further comprises: an electric motor; a controller for controlling the rotation of the electric motor; and an electric screwdriver pressing plate, when the electric screwdriver pressing plate is pressed, The controller controls the electric motor to rotate at a first rotation speed. When the electric screwdriver pressure plate stops being pressed, the controller controls the electric motor to rotate at a second rotation speed; a Hall detector is connected to the controller. And after the opening position is confirmed, the signal is transmitted to the controller, the electric motor is stopped; and a casing extends forward from the electric motor and includes: an annular radial groove and has a fastener and a Driving the socket member; wherein the fastener is rotatably positioned in the drive socket member in the front end of the housing; and a reverse rotation member for blocking the drive socket member.

Additionally, the counter-rotating element further includes: a rotatable member operatively mounted in the housing for moving toward and away from the rotatable member, at least toward the rotatable member during motor reversal A means for rotating the member and a portion adjacent the rotatable member, the portion engaging the catch member by the adjacent catch member during reverse rotation of the rotatable member to stop the counter-rotating member, the motor and the socket member.

In another embodiment, the reverse rotation member further includes: a rotatable member having a spiral groove on one face, the groove being gradually inclined so that the end of the first groove is the motor and a forwardly rotating rear end of the socket member, and the slot includes a sharp abutting edge at an end opposite the first end; and a plunger pin axially slidable into the outer casing of the pipe wrench And leaving the spiral groove; and means for biasing the plunger pin toward the slot during reverse rotation of the motor and socket member, thereby When rotated, the rotating portion of the socket member rotates until the plunger pin engages the slot with the sharp abutting edge of the spiral.

<present invention>

S01~S08‧‧‧ method steps

1‧‧‧Power Drive Pipe Wrench

11‧‧‧Electric motor

12‧‧‧ Controller

13‧‧‧Electric screwdriver press plate

14‧‧‧Hall detector

15‧‧‧Shell

151‧‧‧Circular radial groove

152‧‧‧fasteners

153‧‧‧Drive socket parts

154‧‧‧Reverse rotation element

155‧‧‧ openings

<知知>

1'‧‧‧known power supply

2’‧‧‧ cable

3'‧‧‧Tax wrench

11’‧‧‧Locking Department

1 is a schematic view of a conventional power supply device; FIG. 2 is a perspective view of a driving socket member of the present invention; FIG. 3A is a structural view of a power driven pipe wrench of the present invention; FIG. 4 is a perspective view of a driving socket member and a power driving tube wrench; and FIGS. 5 and 6 are flowcharts showing a method of operating a wrench according to the present invention.

In order to more clearly describe the operation method of a wrench proposed by the present invention, a preferred embodiment of the present invention will be described in detail below with reference to the drawings.

Please refer to FIG. 2, FIG. 3A and FIG. 3B, wherein FIG. 2 is a perspective view of the driving socket component of the present invention, FIG. 3A is a structural diagram of the power driving pipe wrench of the present invention, and FIG. 3B is a power driving pipe wrench of the present invention. A perspective view; and, please refer to FIG. 4 at the same time, FIG. 4 is a perspective view of the drive socket component and the power drive pipe wrench. As shown, the power drive pipe wrench 1 of the present invention comprises: an electric motor 11, a casing 15, a controller 12, an electric screwdriver plate 13 and a Hall detector 14; The electric The motor 11 rotates; when the electric screwdriver platen 13 is pressed, the controller 12 controls the electric motor to rotate at a first rotation speed, and when the electric screwdriver platen 13 stops being pressed, the controller 12 controls the electric motor to a second The rotation speed is rotated; the Hall detector 14 is connected to the controller 12, and after the opening position is confirmed, the signal is transmitted to the controller 12, and the electric motor is stopped; wherein the outer casing 15 is from the electric motor 11 extending forwardly and including: an annular radial slot 151 and having a fastener 152 and a drive socket member 153; wherein the fastener 152 is rotatably positioned within the front end of the housing 15 153; a reverse rotation member 154 for blocking the drive socket member 153. It can be seen from Figure 2 that the opening 155 of the fastener 152 of the present invention is of a plum shape design and is of considerable importance for the practice of the present invention. The invention rotates at the first rotation speed, and can quickly lock the wire. The speed of the first rotation speed is faster than the second rotation speed, and is preset in the controller 12. When executed, the first rotation speed needs to be stable, not because of other hard The body factor, including the torque, affects the first speed, which is to make the hardware consistency. If the first speed is unstable, the hardware loss will be faster, including the gear unit and other components; when the torque reaches the preset value, the electric The motor 11 returns the induced torque to the controller 12, and the controller 12 directly switches to the second rotational speed. At this time, the user can clearly know that the locking has been completed due to the change of the rotational speed, and then the electric screwdriver is released. Platen 13; however, it must be understood that with reference to Figure 2, since the opening 155 of the fastener 152 of the present invention is designed in the shape of a plum, and in the case of use, the opening 155 of the fastener 152 may not be aligned, then, as shown 1. The fastener 152 is lifted up a bit, and the wire is still in the opening 155 of the fastener 152. The user has no way to withdraw the fastener 152 from the wire. Therefore, the second rotation speed is required, which is a low rotation. So that the fastener 152 openings 155 positioned to exit from the wire. The invention needs to be able to work quickly, and needs to design a fastener 152 having a plum-shaped opening to quickly and effectively cover the locking component on the wire. To exit, a two-stage speed is required to complete the work, otherwise the user needs Exit by manpower, affecting the working time. The Hall detector 14 of the present invention is disposed on the fastener 152 and is externally connected to a signal line for connection to the controller 12. The Hall detector 14 of the present invention is comprised of a magnetic element that can be disposed coaxially with one of the gears 152, for example, a gear that is coupled to the opening 155, or coaxial with a gear that is coupled to the drive socket member 153. Or, the gear connected to the opening 155 is disposed between the gear connected to the driving socket member 153; the Hall detector 14 is not only easy to install, but also costly, and the accuracy is sufficient to implement the method of the present invention. The wire used in the present invention comprises a locking component body and a cable. One end of the cable is connected to the power supply body. The locking component body can be moved on the cable before being locked to the power supply body. The compact structure, when locked, secures and protects the cable. The plum-shaped opening 155 is designed to enclose a polygonal plane around the body of the locking element.

Continuing to refer to FIG. 5 and FIG. 6, FIG. 5 and FIG. 6 are flowcharts of a method for operating a wrench according to the present invention. As shown in the figure, the present invention provides a method for operating a wrench, comprising the steps of: step (S01) providing a power driven pipe wrench, and driving an electric motor by a controller; and step (S02) pressing the control An electric screwdriver pressure plate for starting the power drive pipe wrench and performing the step (S03); the step (S03) pressing the electric screwdriver pressure plate to start the electric motor, operating at a first rotation speed, and performing the step (S04) Step (S04) stabilizing the first rotational speed for locking a wire, and then performing the step (S05); in step (S05) the electric motor detects a torque and stabilizes the first turn Speed, then performing step (S06); step (S06), when the torque reaches a set value, releasing the electric screwdriver platen, the electric motor running at a second speed and running through a Hall detector Opening the position detection, and then performing the step (S07); the step (S07), the Hall detector confirms that the opening positioning is completed, and then performs the step (S08); and (S08) the electric motor stops rotating, and if it is to continue to be used, Then, the step (S02) is performed; if it is not used, the step (S08) is ended. In the present invention, instead of detecting the rotational speed of the opening 155 of the fastener 152, the torque returned by the electric motor 11 is detected, because it is too expensive and easy to detect the rotational speed of the opening 155 of the fastener 152. The job is abnormal due to signal interruption or interference. According to the design of the present invention, if the second rotation speed is performed, the Hall detector 14 does not return the confirmation that the positioning of the opening is completed within the time, but the rotation is continued, and the wire is not damaged, and the user can cut off the power at any time. Manually turn the opening 155 to the position to exit the wire.

Thus, the above description has completely and clearly explained the components and technical features of the operating method of the wrench of the present invention; and, through the above, it can be known that the operating method of the wrench of the present invention has the following advantages: driving the socket according to the present invention The component 153, the power drive pipe wrench 1, and the detector are designed, and the drive socket component 153 is completely designed by itself. The gear ratio can be selected according to requirements, for example, 20:30, and the opening is in the shape of a plum blossom, which is convenient for operation and automatic when the machine is stopped. Positioning the opening position allows blind sleeve operation without manual positioning. It is worth noting that the power-driven pipe wrench 1 has two speeds to provide support for the automatic positioning function of the opening.

It is to be understood that the foregoing detailed description of the invention has been described herein Equivalent implementations or modifications departing from the spirit of the invention are intended to be included in the scope of the invention.

Claims (2)

A method for operating a wrench includes the steps of: (1) providing a power driven pipe wrench and driving an electric motor by a controller; (2) pressing down an electric screwdriver press plate of the controller for starting The power drive pipe wrench, and perform step (3); (3) pressing the electric screwdriver platen to start the electric motor, running at a first rotation speed, and performing step (4); (4) stabilizing the first rotation speed, To lock a wire, and then perform step (5); (5) the electric motor detects a torque and stabilizes the first speed, and then performs step (6); (6) when the torque reaches a set value, Release the electric screwdriver platen, the electric motor runs at a low speed at a second speed, and performs opening position detection through a Hall detector, and then performs step (7); (7) the Hall detector confirms the opening position Completion, and then perform step (8); and (8) the electric motor stops rotating, if it is to continue to use, step (2) is performed; if it is not used, step (8) is ended. The method of operating the wrench of claim 1, wherein the power drive pipe wrench further comprises: an electric motor; and a controller controls the rotation of the electric motor; An electric screwdriver pressing plate, the controller controls the electric motor to rotate at a first rotation speed when the electric screwdriver pressing plate is pressed, and the controller controls the electric motor to rotate at a second rotation speed when the electric screwdriver pressing plate stops being pressed; a Hall detector connected to the controller and transmitting a signal to the controller after the opening position is confirmed, the electric motor is stopped; and an outer casing extending forward from the electric motor and including An annular radial groove and having a fastener and a drive socket member; wherein the fastener is rotatably positioned in the drive socket member in the front end of the housing; a reverse rotation member for preventing the drive Socket part.