2048results about "Portable power-driven tools" patented technology

An electric tool includes: a housing assembly including a housing body and an operation portion integrally connected with the housing body; a driving mechanism connected to the housing assembly and including a motor and a transmission shaft connected to and driven by the motor; and a control module arranged within the housing assembly and comprising a controller and a sensing element that is electrically connected to the controller. The motor is electrically connected to the controller. The sensing element is arranged at an inner side of the operation portion. The sensing element is to detect a user operation on the operation portion and output a signal to the controller, and the controller is to control the motor in response to the signal output by the sensing element.

A grinder including a housing, a motor within the housing, and a first handle attached to the housing and including a first sensor configured to detect the presence of a user. The grinder includes a second handle attached to a pivot arm, the pivot arm attached to the housing and configured to be pivoted around the circumference of the housing, the second handle including a second sensor configured to detect the presence of the user. The grinder includes a controller configured to control the motor based upon the detection of the presence of the user by the first sensor and second sensor, and wherein the controller prevents the motor from operating when second sensor does not detect the presence of the user.

The invention relates to the technical field of handheld gun drills, and discloses a lithium battery wireless operation gun drill which comprises a gun body, a supporting sleeve is fixedly connected to the outer wall of the gun body, a first sliding sleeve is slidably connected to the outer wall of the supporting sleeve, and a driving rod is rotatably connected to the inner wall of the gun body through a bearing; a sliding rod is slidably connected to the outer wall of the driving rod through a spline, a chuck is fixedly connected to the end, away from the driving rod, of the sliding rod, a supporting mechanism is arranged on the outer wall of the first sliding sleeve and comprises a third sliding sleeve, the inner wall of the third sliding sleeve is slidably connected with the outer wall of the first sliding sleeve, and a second positioning block is inserted into the inner wall of the third sliding sleeve. The gun body is supported through the supporting mechanism, the friction force between the gun body and the surface of the metal plate is increased, when the drill bit is stuck, the impact force generated by self-rotation of the gun body part is released to the surface of the metal plate through the pressing plate and the pressing block, and the situation that the counter impact force generated by sticking of the drill bit in the drilling process is too large is avoided.

The invention discloses a reciprocating cutting tool which comprises a base, a battery pack, a guide connecting structure and a linkage shielding mechanism. The base is provided with an electric contact, the battery pack is detachably connected with the base, the guide connecting structure is arranged between the battery pack and the base to guide installation, and the linkage shielding mechanism comprises an action input piece, a mechanical locking assembly and a shielding piece. When the battery pack is in an initial mounting state, the shielding piece is positioned at the shielding position to physically cut off the electric contact; when the action input piece is operated, the action input piece is linked with the mechanical locking assembly and the shielding piece, the mechanical locking assembly is firstly driven to enable the battery pack and the base to be completely mechanically locked, and then the shielding piece is driven to move to the open position to expose the electric contact to establish electric connection. The reciprocating cutting tool is provided with an accurate guiding installation and sequential linkage mechanism, so that part abrasion is reduced, connection reliability is improved, and safety risks caused by a semi-connection state are avoided.

A fastener driver includes: a striking assembly including a striking member configured to strike a fastener; and an electric motor, where the electric motor is configured to drive a power mechanism to move and generate power. The striking member includes a striking end for striking the fastener, and the striking end is provided with a recess.

A power tool includes a main housing, a drive mechanism, a working head, and a connection assembly. The connection assembly includes an input portion connected to the drive mechanism and an output portion connected to an output shaft. The connection assembly rotates the working head about a first axis relative to the main housing. The power tool includes a first transmission path. When the working head rotates about the first axis relative to the main housing, components in the first transmission path are allowed to deform or to be displaced along a direction of the first transmission path.

A construction robot (10), in particular for performance of building construction work, including a manipulator (18), a changeover interface (21) arranged on the manipulator (18) and configured for releasable arrangement of at least one element, in particular a tool (24) and / or a component to be processed, on the manipulator (18). A test device (104) which is configured for quality testing of the changeover interface (21), safety risks on use of the construction robot (10) can be minimized.

A hand-held drive apparatus comprises an apparatus main body including a pruner and a handle rotatably connected to the apparatus main body and including a rotation lock mechanism and a drive operation mechanism. The rotation lock mechanism includes a rotation lock lever movable to a rotation prevention position where the handle is prevented from rotating, and to a rotation allowance position where the handle is allowed to rotate. The drive operation mechanism includes a switch configured to control activation of the pruner and a throttle lever movable to a contact position where the throttle lever pushes the switch and to a non-contact position where the throttle lever is separated from the switch. The throttle lever contacts the rotation lock lever at the rotation allowance position to maintain the non-contact position, and is, when the rotation lock lever is at the rotation prevention position, allowed to move to the contact position.

A holding frame (22) for receiving a tool (24) which has a storage battery interface (58) for receiving a storage battery (60) such that the latter is detachable, in particular detachable without the use of tools. The holding frame (22) has a holding portion (70) that is designed complementarily to the storage battery interface (58). The holding frame (22) furthermore has an attachment point (80) for attachment to a manipulator (18) of a construction robot (10). A construction robot (10) is also provided. The invention inexpensively allows particularly versatile use of the construction robot (10).

A power tool includes a housing, an electric motor disposed within the housing, a first printed circuit board assembly configured to selectively supply electric current to the electric motor, causing the electric motor to activate and drive a tool element, and a battery receptacle configured to support a removable battery pack. The battery receptacle has a battery terminal block electrically connected to the battery pack to supply electrical current to the first printed circuit board assembly. The power tool further includes a second printed circuit board assembly electrically connected between the first printed circuit board assembly and the battery terminal block. The second printed circuit board assembly has a fuse and a thermistor configured to detect a temperature of the fuse.

An electronic processor of a wireless fob is configured to establish a first communication link between the wireless fob and an external device, and receive, over the first communication link, first identification information and credential information of a power tool device from the external device. The electronic processor is further configured to receive, via the wireless transceiver, an identification signal including second identification information from the power tool device. The electronic processor is further configured to identify the power tool device by determining that the first identification information matches with the second identification information. The electronic processor is further configured to transmit the credential information to the power tool device to establish a second communication link between the wireless fob and the power tool device and transmit, over the second communication link, a command to the power tool device to control an operation of the power tool device.

The disclosure provides a power tool and power tool system, including: a first slot and a second slot; when the power tool is in a double-pack working state, battery packs are respectively arranged in the first slot and the second lot; when the power tool is in a single-pack working state, the battery pack is arranged in the first slot or the second slot, and both the double-pack working state and the single-pack working state provides a same rated voltage to the power tool.

The present invention improves workability of a work machine. A work machine 10 comprises: a motor unit 11 which includes an electric motor; a battery pack 13 which supplies electric power to the electric motor; an attachment unit 16 to which the battery pack 13 is attached; a drive unit 20 which is connected to the motor unit 11; a cover 15 which covers the drive unit 20; an output shaft 30 which is supported by the drive unit 20; a tip-end tool 52 which is attached to a tip end of the output shaft 30; and a housing 14 which houses the motor unit 11. In the work machine 10, the drive unit 20 and the cover 15 are coupled to each other via a U-shaped elastic member 22, and the motor unit 11 and the housing 14 are connected to each other without an elastic body therebetween.

A work machine includes: a motor; a plunger that is reciprocated in the front-back direction by the drive of the motor; a transmission mechanism that converts a rotational driving force of the motor into a reciprocating driving force and transmits the reciprocating driving force to the plunger; a first support that supports the plunger to be capable of reciprocating and is disposed on one side of the plunger in an orthogonal direction orthogonal to the front-back direction; a second support that supports the plunger to be capable of reciprocating and is disposed on the other side of the plunger; and a support member that supports at least one of the first support and the second support such that the distance between the first support and the second support in the orthogonal direction can be changed.

A power tool includes a working component configured with the maximum output rotational speed; an electric motor configured with the maximum rotational speed; a transmission assembly configured with a transmission ratio; a driver circuit including one or more drive switches; and a controller for outputting a control signal to control the one or more drive switches of the driver circuit. At least one drive switch in the driver circuit includes a wide bandgap semiconductor switch, and the ratio of the required maximum rotational speed of the electric motor to the maximum rotational speed of the electric motor is less than or equal to 0.9. The electric motor system of the power tool has good electrical performance.

A rotary impact tool including a motor housing, an electric motor supported in the motor housing, and a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece. The drive assembly includes an anvil including an anvil lug, and a hammer that is both rotationally and axially movable relative to the anvil. The hammer includes a hammer lug for imparting the consecutive rotational impacts upon the anvil lug. The rotary impact tool further includes a first printed circuit board assembly including an anvil sensor, a first carrier supporting the first printed circuit board assembly, a second printed circuit board assembly including a hammer sensor, and a second carrier supporting the second printed circuit board assembly.

A hydraulic hand tool has a first oil-return channel, a second oil-return channel, and an oil-return-controlling mechanism. Hydraulic oil can carry out the oil-return process through the first oil-return channel and the second oil-return channel. The oil-return-controlling mechanism has a control channel, a blocking unit, an elastic unit, a driving assembly, and a control module. The control channel communicates with the first oil-return channel and the second oil-return channel. The blocking unit is mounted in the control channel. The elastic unit presses against the blocking unit to block the control channel and thus isolate the first oil-return channel and the second oil-return channel. The driving assembly is controlled by the control module. The driving assembly makes the blocking unit abut against the elastic unit and move, and thus the first oil-return channel and the second oil-return channel communicate with each other.

A cutting tool includes a trunk assembly, an electric motor, a second housing for accommodating the electric motor, an output shaft for mounting a cutting piece, a transmission assembly connected between a motor shaft and the output shaft, and a third housing for accommodating at least part of the transmission assembly. In a process of the cutting piece cutting a workpiece, the third housing has a first contact surface and a second contact surface with the workpiece; when the first contact surface or the second contact surface is in contact with the workpiece, the cutting piece has a maximum cutting depth; and the angle between the first contact surface and the second contact surface is greater than or equal to 50° and less than or equal to 85°, and the maximum cutting depth is greater than or equal to 20 mm.

One power tool includes a housing including a compartment for receiving another device. The power tool further includes a wireless communication device including a wireless communication controller including a transceiver. The wireless communication device is configured to be received in the compartment. The power tool further includes a motor within the housing, and the motor is configured to drive an output drive device. The power tool further includes a controller within the housing and having an electronic processor, a memory, and a data connection. The data connection is configured to couple the electronic processor to the wireless communication device when the wireless communication device is inserted into the compartment. The controller is configured to control operation of the motor, and communicate with an external device via the data connection and the wireless communication controller.

A powered tool for repairing a tire includes an electric power unit, a control unit, a trigger unit, and a speed switching unit. The electric power unit includes a driven shaft adapted to output kinetic energy and a motor driving the driven shaft to rotate. The control unit includes an actuating switch operable to output an actuated signal associated with a movement distance of an actuator and a processing module configured to control rotation of the rotating member at one of first and second rotational speeds according to the actuated signal. The speed switching unit is operable to move between first and second rotational speed positions such that the actuator travels first or second distances as being pushed by the trigger unit.

A power tool includes a trigger module, a motor unit, and a controller electrically connected to the trigger module and the motor unit. The controller stores parameter data that define a common control curve that represents a corresponding relationship between a reference pressed depth and a reference rotation speed. The controller obtains a pressing value from the trigger module, and outputs a control signal at least based on the common control curve and the pressing value to the motor unit. The common control curve has a low-speed curve segment and a high-speed curve segment. In a low speed mode, the controller outputs the control signal based on the low-speed curve segment. In a high speed mode, the controller outputs the control signal based on a high-speed control curve composed at least of the low-speed curve segment and the high-speed curve segment.

A power tool may include a housing including first and second clamshell halves. The power tool may include a motor directly supported by the first and second clamshell halves. The power tool may include a gear assembly directly supported by the first and second clamshell halves and operably coupled to the motor. The power tool may include an impact mechanism disposed within the housing between the first and second clamshell halves and operably coupled to the gear assembly, the impact mechanism including a camshaft, an anvil rotationally supported by an anvil support for rotation about an axis, the anvil support being directly supported by the first and second clamshell halves, and a hammer configured to reciprocate along the camshaft and to impart rotational impacts to the anvil in response to rotation of the camshaft.

A battery pack may include a housing including a support portion connectable to and supportable by an electrical device, the support portion defining a channel operable to receive a projection on the electrical device, the support portion including a plastic material molded to define the channel, and a metal material molded in the plastic material, the metal material defining a C-shaped portion around the channel. A battery pack may include a plurality of battery cells supported by the housing. A battery pack may include a battery terminal electrically connected to the plurality of battery cells and connectable to a terminal of the electrical device.

Impact wrench (1) having an overall shape of a ‘T’ and comprising an upper handle group (2), a lower working group (3) and an intermediate connecting rod (4) connected between the handle group (2) and the working group (3), wherein: - the handle group (2) comprises a first body (2') with two elongated handles (5, 6) extending in opposite directions to each other and transversely to a longitudinal direction (14) of the screwdriver (1), a manual actuating element (7) and a battery seat (8) for receiving an electric battery (9), - the working group (3) comprises a second body (3'), a tool holder shaft (10) rotatably mounted about a pivot axis (R) and capable of carrying a screw bushing, an electric motor (11) powered by the battery (9) and operable by the manual actuating element (7), a gearbox (12) and an impact mechanism (13) connected between the motor (11) and the tool holder shaft (10) to impart rotational and impact impulses, where: - the battery seat (8) consists of a cavity (34) formed in an outer surface of the first body (2') on an operator side (33) of the impact wrench (1), wherein the cavity (34) is open to the outside of the first body (2') on the operator side (33) and on a top surface (35) of the impact wrench (1) opposite the working group (3), - the cavity (34) accommodates the battery (9) over at least half of its thickness (37), measured in the direction of the operator side (33), and / or the battery (9) extends beyond the free ends of the handles (5, 6) in the direction of the operator side (33) by less than one third or less than one quarter of the thickness of the battery (37), measured in the direction of the operator side (33).

A power tool for cleaning includes: a cleaning device including a working accessory for cleaning; a driving device, where the driving device includes a motor for driving the working accessory to rotate, and the motor includes a motor shaft rotating about a first straight line; an operation device for a user to operate so as to control the power tool; a power supply device for supplying power to the driving device; and a connecting device for connecting the driving device to the operation device. The operation device includes a main handle for the user to hold. The power supply device is disposed between the main handle and the driving device. The fatigue degree of the user is reduced when the user operates the power tool.

An electrical combination, a tool system, an electric motor, a battery pack, and operating and manufacturing methods. The tool may include a tool housing, a motor supported by the tool housing, the motor having a nominal outer diameter of up to about 80 millimeters (mm), the motor being operable to output at least about 2760 watts (W), and a tool terminal electrically connected to the motor; a battery pack including a pack housing defining a volume of the battery pack, the volume being up to about 5.2×106 cubic millimeters (mm3), battery cells supported by the pack housing, the battery cells being electrically connected and having a nominal voltage of up to about 80 volts (V), and a pack terminal electrically connectable to the tool terminal to transfer current between the battery pack and the tool; and a controller operable to control the transfer of current.

A battery pack includes a housing having a handle, rechargeable battery cells disposed within the housing, and a mating feature protruding away from the housing. The mating feature is configured to selectively connect the battery assembly with the receptacle of the charging rack and includes multiple ports electrically connected to the battery cells.

An electrical system includes a conductor configured to carry energy from an electrical power supply, a receiver configured to output energy to an electrical component, and a connector electrically and mechanically connecting the conductor and the receiver. The connector includes a base and a head extending from the base along a longitudinal axis. The head includes a void defined therein by a radially inner surface and further includes a radially outer surface. At least a portion of the radially outer surface is curved about the longitudinal axis. The head is insertable into the receiver, and elastic deformation of the head causes the connector to press against the receiver to retain the connector and the receiver together.

The invention relates to the technical field of handheld gun drills, and discloses a brushless motor driven pistol drill which comprises a shell, the inner wall of the shell is fixedly connected with a brushless motor, the inner wall of the shell is rotatably connected with driving teeth through a bearing, a buffer mechanism is arranged in the shell, the buffer mechanism comprises a driving rod, and the driving rod is fixedly connected with the brushless motor. The outer wall of the side, close to the driving teeth, of the driving rod is fixedly connected with the inner wall of the driving teeth, the outer wall of the driving rod is connected with a hinged plate through a rotating shaft hinge, the other end of the hinged plate is fixedly connected with the outer wall of the connecting rod through a rotating shaft, and the inner wall of the driving rod is fixedly connected with an elastic push rod. And the other end of the elastic push rod is fixedly connected with the inner wall of the connecting rod. According to the handheld gun drill, the buffering mechanism is arranged to release reverse twisting force generated when the drill bit drills holes, the situation that the temperature of the brushless motor is increased due to the fact that instantaneous resistance of the brushless motor is increased is prevented, and the stability of the handheld gun drill in the working process is improved.