TWM501917U - Electric screwdriver - Google Patents

Abstract

An electric screwdriver includes a housing, a driver received in the housing, a controlling assembly electrically connected to the driver, and an actuator connected to an end of the driver. A power switch is provided on an outer face of the housing, and a battery is provided in the housing. The battery is capable of powering the driver. An end of the housing provides a charging connector. The charging connector is capable of charging the battery and powering the driver when electrically connected to an outer power supply. An end of the driver provides an adapter. The actuator is detachably mounted on the adapter. The controlling assembly includes a controller mounted on the housing, a display electrically connected to the controller, and a first controlling button. The first controlling button is capable of presetting a turn number of the driver. The controller controls the display to show the turn number of the driver, and the controller is capable of adjusting the turn number of the driver according to a presetting turn number.

Description

Electric screwdriver

The present invention relates to a screwdriver, and more particularly to a flexible electric screwdriver.

The current electric screwdrivers, such as electric screwdrivers, are directly connected to the circuit by a power cord to provide an energy source for the rotating actuator of the electric screwdriver. The electric screwdriver is inconvenient to carry, and the number of rotations of the rotating actuator cannot be controlled. It is easy to work (such as screwing in the screw) due to excessive rotation, so that the torque is too large to produce the sliding teeth, or because the number of rotations is insufficient, the torque is not enough to cause the screw to loosen. In addition, the rotary actuator of the above electric screwdriver often only performs one work, and the rotary actuator cannot be replaced according to the work, which results in a large work limitation of the electric screwdriver.

In view of the above circumstances, it is necessary to provide an electric screwdriver capable of controlling the number of revolutions and being flexible and portable.

An electric screwdriver includes a housing, a driving member received in the housing, and an operating head connected to one end of the driving member, wherein the housing is provided with a power switch, and the power switch can control the driving member to drive the operating head Rotating, the electric screwdriver further includes a battery for supplying power to the driving member and a connector connected to one end of the driving member, the battery is disposed in the housing, and the operating head is detachably mounted on the adapter, the electric rotation The device further includes being disposed on the housing and electrically connected to the driving component a control component of the connection, the control component includes a controller disposed on the casing, a display member disposed on the controller and electrically connected to the controller, and a first control button disposed adjacent to the display member, The first control button can preset the number of rotations of the driving member, the controller controls the display member to display the number of instant rotations of the driving member, and can adjust the rotation of the driving member according to the preset number of rotations. Number of turns.

Further, the driving member includes a connecting end protruding from the housing, the adapter includes a clamping member, and the clamping member includes a mounting portion fixed to the connecting end and a clip formed on the mounting portion The receiving portion is provided with a receiving hole, and one end of the operating head is fixedly inserted into the receiving hole.

Further, the clamping portion is provided with a slot in the axial direction away from the one end of the mounting portion, the slot is in communication with the receiving hole, and the positioning head has a positioning protrusion corresponding to the slot, and the positioning protrusion is received in the positioning protrusion In the slot.

Further, the adapter further includes a fastener, the fastener is inserted through the through hole in the axial direction, the through hole is provided with an internal thread, and the aperture is slightly smaller than the maximum outer diameter of the clamping portion, the clamping portion The external thread is matched with the internal thread, and the operating head is disposed through the through hole, and the fastener is screwed to the clamping portion.

Further, the electric screwdriver further includes a charging connector disposed adjacent to the display member and electrically connected to the battery, and the charging connector is connectable with an external power source to charge the battery.

Further, the electric screwdriver further includes a reversing switch disposed on the housing, the reversing switch being electrically connected to the driving member and capable of controlling the driving member to be reversed.

Further, the control component further includes adjacent to the first control key and the display component a second control button is provided, wherein the second control button can preset the torque value of the driving member, and the display member displays the instantaneous torque value of the driving member, and the controller can adjust according to the preset torque value The torque value of the drive member.

Further, the control component further includes a third control button disposed adjacent to the second control button and the display member, wherein the third control button can preset a rotation speed of the driving member, and the display member displays the The instantaneous rotation speed of the driving member, the controller can adjust the rotation speed of the driving member according to the preset rotation speed.

Further, the driving member is a servo motor, and the operating head is any one of a screwdriver, a tapping drill, a perforating drill or a rotary grinding head for rotary machining.

Further, the electric screwdriver further includes a hanging member disposed at one end of the housing adjacent to the display member.

The electric screwdriver of the present invention adopts a control component to set and control the number of rotations of the driving member, and uses the display member to display the number of rotations, so that the number of rotations of the electric screwdriver during operation is intuitively adjustable, thereby avoiding the rotation circle If the number is too large or too small, the work caused by improper torque or poor processing may occur. Secondly, because the battery can provide a source of energy for the driving member, the electric screwdriver can be used away from the power line, which increases the portability of the electric screwdriver. In addition, since the electric screwdriver is equipped with an easy-to-remove adapter, the flexible head can be realized only when the electric screwdriver is used for different types of work, and only the corresponding moving head needs to be replaced. In summary, the electric screwdriver of the present invention can control the number of rotations of the driving member, can be flexible, and is easy to carry.

100‧‧‧Electric screwdriver

10‧‧‧shell

12‧‧‧Ontology

121‧‧‧ containment chamber

14‧‧‧Power switch

16‧‧‧Reversing switch

18‧‧‧ hanging parts

30‧‧‧Control components

31‧‧‧ Controller

32‧‧‧ Display

34‧‧‧First control button

36‧‧‧Second control button

38‧‧‧ third control button

50‧‧‧Rotating components

51‧‧‧Charging connector

53‧‧‧Battery

55‧‧‧ drive parts

551‧‧‧Connected end

57‧‧‧Adapter

571‧‧‧Clamping parts

5711‧‧‧Installation Department

5713‧‧‧ gripping department

5715‧‧‧ receiving hole

5717‧‧‧ slot

573‧‧‧fasteners

5731‧‧‧through hole

59‧‧‧Working head

591‧‧‧Positioning bulges

Figure 1 is a perspective view of the electric screwdriver of the present invention.

Figure 2 is a perspective cross-sectional view of the electric screwdriver of Figure 1.

3 is an exploded perspective view showing a part of the structure of the electric screwdriver shown in FIG. 1.

Referring to FIG. 1 , the electric screwdriver 100 of the present invention includes a housing 10 , a control assembly 30 disposed on the housing 10 , and a rotating assembly 50 received in the housing 10 .

Referring to FIG. 2 together, the housing 10 includes a body 12 and a power switch 14 , a switch 16 and a mounting member 18 disposed on the body 12 .

The main body 12 has a substantially cylindrical shape, and a receiving cavity 121 is formed through the receiving cavity 121 for receiving the rotating component 50. The power switch 14 is disposed on the outer wall of the body 12 for controlling the power-off of the electric screwdriver 100. The reversing switch 16 is disposed at the end of the outer wall of the body 12, and has two control positions, and the two control positions respectively control the forward rotation and the reverse rotation of the electric screwdriver 100. In this embodiment, the hanging member 18 is a hook disposed at one end of the body 12 to provide a position for the electric screwdriver 100 to be hung or carried.

The control assembly 30 is disposed on the outer wall of the body 12 adjacent to the hanging member 18, and includes a controller 31, a display member 32, a first control button 34, a second control button 36, and a third control button 38.

The controller 31 is embedded on the body 12 adjacent to the hanging member 18, and can store the working parameters of the rotating component 50, such as the preset values of the number of revolutions, the torque value and the rotation speed, and can read the rotating component 50. Instant working parameters, the actual working parameters are compared with the preset values, so that the results can be adjusted according to the comparison The movement of the entire rotating assembly 50. The display member 32 is disposed on the controller 31 and electrically connected to the controller 31. The display member 32 is used to display the operating parameters of the rotating assembly 50, such as the number of revolutions, the torque value, and the rotational speed. In this embodiment, the display member 32 is a liquid crystal display screen. It can be understood that the display member 32 can be an LED light fixture display screen, a mechanical indicator disk or other display form, and only the display member 32 can display the parameters of the rotating component 50. . The first control button 34, the second control button 36, and the third control button 38 are disposed adjacent to the display member 32 and spaced apart from each other. The first control button 34 is used to preset the number of rotations of the rotating assembly 50, and the preset number of rotations is placed in the controller 31, and then the controller 31 controls the display member 32 to display the number of instant rotations of the rotating assembly 50. And the preset number of turns. When the number of instantaneous rotations is equal to the preset number of revolutions, the controller 31 controls the rotation assembly 50 to stop rotating. The second control button 36 is used to preset the torque value of the rotating component 50, and the preset torque value is placed in the controller 31, and then the controller 31 controls the display member 32 to display the instantaneous torque and torque preset of the rotating component 50. value. When the instantaneous torque is deviated from the preset value, the controller 31 controls the rotating assembly 50 to adjust the torque until the instantaneous torque is the same as the preset value. The third control button 38 is used to preset the rotation speed of the rotation assembly 50, and the preset rotation speed is placed in the controller 31, and then the controller 31 controls the display member 32 to display the instantaneous rotation speed and the rotation speed preset of the rotation assembly 50. value. When the instantaneous speed deviates from the preset speed value, the controller 31 adjusts the rotation speed of the rotating component until the instantaneous speed is the same as the preset speed.

The rotating component 50 is partially received in the receiving cavity 121 and electrically connected to the control component 30. The rotating assembly 50 includes a charging connector 51, a battery 53 connected to one end of the charging connector 51, a driving member 55 disposed at one end of the battery 53, an adapter 57 connected to the driving member 55, and an operation of being mounted at one end of the adapter 57. Head 59.

Referring to FIG. 3, the charging connector 51 is disposed at one end of the body 12 adjacent to the mounting member 18 and partially received in the receiving cavity 121 for connecting with an external power source (not shown) to provide a source of energy for the driving member 55. One end of the battery 53 is electrically connected to the charging connector 51, and the charging connector 51 can be used to charge the battery 53 after being connected to an external power source. When the battery 53 is removed from the body 12, the electric screwdriver 100 can rely on the charging connector 51 to connect to an external power source to obtain a source of energy. When the battery 53 is fully charged, the electric screwdriver 100 can be used away from the external power source, and only the battery 53 is used to provide a source of energy. The driving member 55 is disposed at one end of the battery 53 away from the charging connector 51, and is electrically connected to the battery 53 and connected to the power switch 14 and the switching switch 16 . The power switch 14 can control the driving member 55 to be turned on and off, and the switching switch 16 can control the driving member 55 to be reversed. The driving member 55 includes a connecting end 551 protruding from the body 12. In the present embodiment, the driving member 55 is a servo motor.

The adapter 57 is mounted on the connecting end 551, and the driving member 55 can drive the adapter 57 to rotate by the connecting end 551. The adapter 57 includes a clamping member 571 and a fastener 573 sleeved on the clamping member 571. The holding member 571 includes a mounting portion 5711 and a clamping portion 5713 formed at one end of the mounting portion 5711. The mounting portion 5711 is fixedly mounted on the connecting end 551, and the clamping portion 5713 is formed at one end of the mounting portion 5711 away from the connecting end 551. The clamping portion 5713 has a substantially cylindrical shape, and a receiving hole 5715 is formed through the axial direction, and a threaded portion (not shown) is provided on the outer wall. The clamping portion 5713 is provided with two slots 5717 in the axial direction away from one end of the mounting portion 5711. The slot 5517 is in communication with the receiving hole 5715 for positioning the operating head 59. Since the slot 5717 is defined in the clamping portion 5713, the receiving hole 5715 can be changed within a certain range by an external force to fasten the operating head 59. The fastener 573 has a substantially cylindrical shape, and a through hole 5731 is formed through the axial direction. The through hole 5731 is provided with an internal thread having a hole diameter slightly smaller than the maximum outer diameter of the clamping portion 5713. Fastener 573 by through hole 5731 It is provided on the clamping portion 5713 and is screwed to the screw connection portion of the clamping portion 5713.

One end of the actuating head 59 is inserted into the receiving hole 5715. Two corresponding positioning protrusions 591 are formed on the corresponding two slots 5717, and the two positioning protrusions 591 are received in the corresponding slots 5717. The other end of the actuator 59 protrudes out of the fastener 573. In this embodiment, the actuator head 59 is a screwdriver. When the fastener 573 is screwed toward the mounting portion 5711 at the clamping portion 5713, since the aperture of the through hole 5731 is slightly smaller than the maximum outer diameter of the clamping portion 5713, the aperture of the receiving hole 5715 is reduced, and the clamping portion 5713 is tightly held. Actuator 59. It can be understood that the actuating head 59 can be other moving heads for rotary machining, such as a tapping bit, a perforating bit, or a rotating sanding head.

When the electric screwdriver 100 of the present embodiment is assembled, first, the driving member 55 and the battery 53 are mounted in the housing cavity 121 of the casing 10, and the charging joint 51 is placed at one end of the casing 10. Then, the clamping member 571 is mounted on the connecting end 551 of the driving member 55, and one end of the operating head 59 is inserted into the receiving hole 5715, so that the two positioning protrusions 591 are respectively received in the two slots 5717. Finally, the fastener 573 is sleeved on the clamping portion 5713 and screwed toward the mounting portion 5711 to fasten the operating head 59. When the actuator 59 needs to be replaced, it is only necessary to remove the fastener 573, take out the actuator 59, and then load the other actuator 59.

When the electric screwdriver 100 of the present embodiment is used, first, the power switch 14 is activated, the electric screwdriver 100 is turned on, and the first to third control keys 34, 36, and 38 are used to set parameters required for operation. Then, according to the work demand, the steering switch 16 is selected and turned, and the changeover switch 16 controls the drive member 55 to rotate with the action head 59.

The electric screwdriver 100 of the present invention adopts the control component 30 to set and control the working parameters such as the number of revolutions of the driving member 55, the torque value and the rotation speed, and The above working parameters are displayed by the display member 32, so that the working parameters of the electric screwdriver 100 are intuitively adjustable during operation, thereby avoiding the work or the processing failure caused by improper working parameters. Secondly, since the battery 53 can provide a source of energy for the driving member 55, the electric screwdriver 100 can be used away from the power line, which increases the portability of the electric screwdriver 100. In addition, since the electric screwdriver 100 is provided with an easy-to-remove adapter 57, the actuator 59 is provided, so that when the electric screwdriver 100 is required to perform different kinds of work, only the corresponding actuator 59 needs to be replaced, and flexibility can be realized. Chemical. In summary, the electric screwdriver 100 of the present invention can control operating parameters such as the number of revolutions, the torque value, and the rotational speed, and can be flexible and portable.

It can be understood that the second control key 36 can be not limited to the torque value of the control driving member 55, and can be set as a working loop number counting key or other parameter control keys required for the work setting. Similarly, the third control button 38 can also be set as a parameter control button for other work settings. In addition, the second control button 36 and the third control button 38 can be omitted, and only the first control button 34 and the display member 32 are required to control the number of revolutions of the driving member 55 to complete the rotation processing.

In summary, the new model complies with the new patent requirements and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art in the present invention should be included in the following claims.

100‧‧‧Electric screwdriver

10‧‧‧shell

12‧‧‧Ontology

14‧‧‧Power switch

18‧‧‧ hanging parts

30‧‧‧Control components

32‧‧‧ Display

34‧‧‧First control button

36‧‧‧Second control button

38‧‧‧ third control button

50‧‧‧Rotating components

51‧‧‧Charging connector

57‧‧‧Adapter

571‧‧‧Clamping parts

573‧‧‧fasteners

59‧‧‧Working head

Claims (10)

An electric screwdriver includes a housing, a driving member received in the housing, and an operating head connected to one end of the driving member, wherein the housing is provided with a power switch, and the power switch can control the driving member to drive the operating head The rotation is improved in that the electric screwdriver further includes a battery for supplying power to the driving member and a connector connected to one end of the driving member, the battery is disposed in the housing, and the operating head is detachably mounted on the adapter The electric screwdriver further includes a control component disposed on the housing and electrically connected to the driving component, the control component including a controller disposed on the housing, disposed on the controller, and the controller The electrically connected display member and the first control button disposed adjacent to the display member, wherein the first control button can preset the number of rotations of the driving member, and the controller controls the display member to display the instant of the driving member The number of turns is rotated, and the number of revolutions of the driving member can be adjusted according to the preset number of revolutions. The electric screwdriver according to claim 1, wherein the driving member comprises a connecting end protruding from the housing, the adapter comprises a clamping member, and the clamping member comprises a fixing fixed to the connecting end. And a receiving portion formed on the mounting portion, the receiving portion is provided with a receiving hole, and one end of the operating head is fixedly inserted into the receiving hole. The electric screwdriver according to claim 2, wherein the clamping portion is provided with a slot axially away from one end of the mounting portion, the slot is in communication with the receiving hole, and the operating head is narrow The groove forms a positioning protrusion, and the positioning protrusion is received in the slot. An electric screwdriver as claimed in claim 3, wherein the adapter is further included The fastener is provided with a through hole extending through the axial direction, and the through hole is provided with an internal thread having a diameter smaller than a maximum outer diameter of the clamping portion, and the clamping portion is provided with the internal thread The actuating head is threaded through the through hole, and the fastener is screwed to the clamping portion. The electric screwdriver of claim 1, wherein the electric screwdriver further comprises a charging connector disposed at one end of the housing and electrically connected to the battery, the charging connector being connectable to an external power source. Think that the battery is charging. The electric screwdriver according to claim 1, wherein the electric screwdriver further comprises a reversing switch disposed on the housing, the reversing switch being electrically connected to the driving member and capable of controlling the driving member to be forward and reverse turn. The electric screwdriver of claim 1, wherein the control component further comprises a second control button disposed adjacent to the first control button and the display member, wherein the driver member can be preset by the second control button The torque value and the display member display the instantaneous torque value of the driving member, and the controller can adjust the torque value of the driving member according to the preset torque value. The electric screwdriver according to claim 7, wherein the control component further comprises a third control button disposed adjacent to the second control button and the display member, wherein the third control button can preset the driving member The rotation speed of the display member and the display member display the instantaneous rotation speed of the driving member, and the controller can adjust the rotation speed of the driving member according to the preset rotation speed. The electric screwdriver according to claim 8, wherein the driving member is a servo motor, and the operating head is any one of a screwdriver, a tapping drill, a perforating drill or a rotary grinding head for rotary machining. The electric screwdriver according to claim 1, wherein the electric screwdriver further A mounting member disposed adjacent to the display member at one end of the housing is included.