1805results about "Screwdrivers" patented technology

The invention discloses a tooth-shaped structure of a bolt fixing tool. The tooth-shaped structure comprises a drive part, a looping part is concavely arranged inside the drive part; the inner periphery of the looping part is a hollow structure and is approximately a polygonal structure, the intersectional angle between edges of the polygonal structure of the looping part are respectively provided with an escape groove, the escape groove is a recessed arc structure, an opening of the escape groove and an opening of the adjacent escape groove take on a straight edge, the straight edge is a lank line section; a top surface is respectively arranged at the center of the straight edges between two adjacent escape grooves, the top surface is in a planar straight line section structure, the top surface is arranged at the straight edge between the two adjacent escape grooves and is superposed on the straight edge; a first groove and a second groove are respectively recessed between the escape groove and the top surface, the first groove is closer to the escape groove, the second groove is closer to the top surface, the first and the second grooves are arranged in line symmetry with another first and second grooves; based on the intermediate vertical line of the distance between the two side walls of the escape groove with the arc structure, the first and the second grooves are arranged in line symmetry with another first and second grooves by the central vertical line of the distance between the two side walls of the arc structure of the escape grooves. The tooth-shaped structure of a bolt fixation tool can not cause slipping and bruting of the bolt fixing part resulting from the stress concentration of point contact.

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 hand tool operation management apparatus includes a hand-tool-state sensing unit, a wireless communication unit, a microcontroller, and a warning unit. A wireless apparatus generates a predetermined value wireless signal including a plurality of predetermined values and wirelessly transmits the predetermined value wireless signal to the wireless communication unit. The wireless communication unit converts the predetermined value wireless signal into a predetermined value wired signal and transmits the predetermined value wired signal to the microcontroller. The hand-tool-state sensing unit senses a state of a hand tool to obtain a hand-tool-state value and transmits the hand-tool-state value to the microcontroller. The microcontroller compares the hand-tool-state value with the predetermined values. When the hand-tool-state value reaches the predetermined values, the microcontroller drives the warning unit to display or send out a warning signal, or the microcontroller informs the wireless apparatus to display or send out an alerting signal.

The present invention provides a fastener alignment guide comprising a generally planar body and an angled element arranged at an acute angle θ to the body, a first aperture arranged through the angled element and a second aperture arranged through the body, wherein the first aperture and the second apertures are aligned such that a fastener may be inserted progressively through the first and second apertures in use. The present invention also provides a slip-resisting fastener alignment guide comprising a body at least partially arranged in a first plane, the body comprising a first aperture for receiving, in use, at least a portion of a shank of a fastener; and a guidewall extending out of the first plane for guiding the fastener, in use, into the first aperture at an acute angle α to the first plane, wherein the guidewall comprises a first bearing edge or surface upon which an underside of a head of the fastener can bear in use, the body further comprises a second bearing edge or surface upon which the underside of the head of the fastener can bear in use, and the first bearing edge or surface and the second bearing edge or surface are each configured / arranged to resist movement, in use, of the fastener alignment guide relative to the fastener in a first direction parallel to the first plane.The present invention also provides a method of forming the fastener alignment guide and slip-resisting fastener alignment guide.

An anti-slip fastener remover tool includes a torque-tool body, a plurality of paired engagement features, and a plurality of intersection points. The plurality of paired engagement features that grips the lateral surface of the stripped fastener head is radially positioned around a rotation axis of the torque-tool body. The torque-tool body is inwardly extended from an outer wall of the torque-tool body to the plurality of paired engagement features. Each paired engagement feature comprises a first engagement feature and a second engagement feature. The first engagement feature and the second engagement feature each comprise a bracing section, a cavity section, and a connector section. The cavity sections of the first and second engagement features are adjacently connected to each other. The bracing sections of the first and second engagement feature are oppositely positioned about the cavity sections of the first and second engagement features.

The active clamping type fastener anti-disengaging electric wrench comprises an electric tool body and a wrench sleeve, an output shaft is arranged at one end of the electric tool body, the wrench sleeve is assembled on the output shaft, and the wrench sleeve comprises an outer cylinder body and a driving block arranged in the outer cylinder body in a sliding mode in the axial direction; a movable section allowing the driving block to move front and back and a limiting section for axially limiting the driving block are arranged in the outer barrel, a clamping assembly is embedded in the inner wall of the movable section, and when the driving block is pushed by an external fastener to move to the limiting section, the clamping assembly is pushed outwards to clamp the fastener. According to the active clamping type fastener anti-disengaging electric wrench, the technical problems that an existing electric wrench enables a fastener to slip easily, and the fastener can fall out of a sleeve due to the fact that the fastener cannot be actively clamped are solved.

The utility model relates to the field of tightening and locking, in particular to a tightening tool internally provided with two groups of torque sensors and a verification-free method, the tightening tool further comprises a dynamic torque sensor and a static torque sensor, a power device is arranged on the static torque sensor, and counter-acting force provided by an external source is transmitted to the power device through the static torque sensor. The power device provides torsion for the output end through the dynamic torque sensor; in order to solve the problem that the torsion is abnormal but not known, a novel detection mode is used, the detection mode is that more than two torque sensors are utilized to respectively measure the torque on the power device and the torque on the output end, and then the two torque values are compared, so that the torque on the power device and the torque on the output end are detected. If the torque is outside the threshold value range, the problem that the torque accuracy is reduced exists on the power device or the output end, and according to the mode, the effect of real-time monitoring is achieved, and therefore the problem that the torque is abnormal and not known is solved.

An ergonomic manual driver includes a handle having ergonomic recesses. A manual driver includes an elongated shank and a handle. The elongated shank extends along a shank axis. The handle includes a handle body attached to the elongated shank. The handle body includes a proximal portion, a middle portion, and a distal portion. The middle portion includes middle portion pyramid-shaped recesses, distal portion faceted recesses, and / or proximal portion faceted recesses.

A torque wrench for adjusting sound, comprising a plastic handle, and further comprising: a main pipe, and a ratchet actuating component and a rotation limiting assembly arranged on the main pipe, wherein one end of the main pipe is rotatably connected in the plastic handle; the rotation limiting assembly comprises a plurality of sink grooves evenly arranged in an annular manner on a side wall of the main pipe, and the rotation limiting assembly is configured to limit rotation of the plastic handle relative to the main pipe; the ratchet actuating component is configured to rotate a bolt, and the rotating plastic handle adjusts the preset torque of the actuating component; a placement hole is arranged on a side wall of the plastic handle, and a first steel ball and a small spring are arranged in the placement hole.

A wrench angle adjusting structure comprises a wrench handle body, a working head and a clamping unit, a first convex lug and a second convex lug which are symmetrical are arranged at one end of the wrench handle body, a pivoting space is formed between the first convex lug and the second convex lug, and the first convex lug and the second convex lug are provided with a shaft hole and a braking hole which are parallel to each other; the working head is bolted in the pivoting space in a swinging manner by matching a pivoting lug with a shaft bolt, and an arc-shaped clamping part is arranged at the end edge of the pivoting lug; the clamping unit is contained in the braking hole and provided with an elastic piece and a switching control column, the outer diameter face of the switching control column is provided with an idling section and a clamping section in a concave mode, the idling section and the clamping section are arranged on the outer diameter face of the switching control column, a limiting wall is further formed close to the clamping section, and angle adjustment and positioning of the working head are further controlled by pressing or not pressing of the switching control column.

The utility model relates to the technical field of hardware tools, in particular to a double-opening wrench with a lubricating function, which comprises a double-opening wrench body, a reserved opening is arranged on the surface of the double-opening wrench body, mounting grooves are arranged at two ends of the reserved opening, and oil absorption cotton blocks are inserted into the mounting grooves. Oil seepage grooves are formed in openings in the two ends of the double-opening wrench body, oil seepage holes are formed in the surfaces of the oil seepage grooves, and the oil seepage holes communicate with the mounting groove; the lubricating oil supply device has the beneficial effects that by pushing the push rod, the piston plate extrudes the oil absorption cotton block, absorbed lubricating oil seeps into the oil seepage groove through the oil seepage hole, and automatic supply of the lubricating oil is achieved. In this way, operation is easy and convenient, it can be guaranteed that the wrench is always kept in a good lubricating state in the using process, and therefore the working efficiency is improved.

Various articulating tools for driving fasteners or other surgical implements are disclosed. The articulating tool may be removably connected to a handpiece comprising a motor. The articulating tool may include a torque transmission mechanism that includes a first shaft that extends through the lumen of the elongate outer housing. The first shaft may transfer the torque from the motor to an articulating torque transmission unit. The articulating torque transmission unit may transfer the torque to the bit that interlocks to the fastener. The articulating tool may include an orientation mechanism that is separate from the torque transmission mechanism. The orientation mechanism can have one or more controllers to rotate the articulating unit and driver head adapter about one or more axes.

A fastener setting tool for installing a fastener into a board structure, comprising a tool body having a bottom surface and a longitudinal axis; a spacer assembly, comprising a first abutment member, having a first engagement surface, and a second abutment member, having a second engagement surface opposingly spaced apart from said first engagement surface, each one of said first and second abutment member extending away from and in a direction normal to said bottom surface of said tool body, said spacer assembly being configured to cooperatingly positioningly engage the board structure; at least one fastener guide operably coupled to any one of said first and second abutment member, and configured to guidingly receive a fastener for the board structure; and a spacer adjustment mechanism, adapted to selectively lockingly move at least one of said first and second abutment member in a direction along said longitudinal axis.

The invention relates to combined equipment and method integrating press fitting, gluing and tightening. The combined equipment comprises a rack, and a press fitting station, a gluing station and a tightening station are sequentially arranged on the rack; a workpiece positioning device is arranged on each station; the first press-fitting mechanism is arranged on the press-fitting station; the second press-fitting mechanism is arranged at the gluing station; the gluing mechanism is arranged at the gluing station; the clamping mechanism is arranged on the gluing station; the bolt tightening mechanism is arranged at the tightening station; the code scanning devices are arranged at the stations and used for reading the two-dimensional codes on the workpiece bodies. The error-proofing detection system comprises a stainless steel ring detection sensor arranged at a press-fitting station, and a plastic part detection sensor and a bent pipe detection sensor which are arranged at a gluing station; and the control system is electrically connected with the press-in force sensor, the tightening torque sensor, the code scanning device, the mistake-proofing detection system and the execution mechanisms. According to the invention, multi-process integration, whole-process data tracing and multiple mistake-proofing interlocking can be realized, and the product quality stability and the production flexibility are improved.

Position sensing related to a component within a power tool. The component within the power tool is, for example, a hammer of an impact mechanism and can include one or more sensible features that allow a controller of the power tool to precisely determine the position, speed, and acceleration of the component. One or more sensors can be used to determine the rotational position of the hammer and the axial position of the hammer. The rotational position of the hammer can then be used to calculate, for example, rotational speed and acceleration of the hammer. With precise determinations of the rotational and axial position of the hammer, the controller of the power tool is able to precisely time the impact between the hammer and the anvil to optimize the impact between the hammer and the anvil (e.g., to maximize energy transfer between the hammer and the anvil).

An electric tool system includes an electric tool device and a history storage unit. The electric tool device includes a holder, a drive unit, a measuring unit, and an image capturing unit. The holder holds a fastening member thereon. The drive unit performs fastening work of fastening the fastening member into a work target by transmitting driving force to the holder. The measuring unit measures, as a torque measured value, a fastening torque value of the fastening work. The image capturing unit generates a captured image by capturing an image of at least the holder. The history storage unit stores history information in which the torque measured value and the captured image are associated with each other.

This utility model discloses a special insulating wrench for ring main units, relating to the field of ring main unit technology. Specifically, it includes a handle, a top plate fixedly mounted on the top of the handle, a clamp head fixedly mounted on the outer wall of the top plate, a fixed jaw opening on the outer wall of the clamp head, positioning rods symmetrically fixedly mounted on one inner wall of the clamp head, positioning plates slidably mounted on the outer surfaces of multiple positioning rods, and clamping plates fixedly connected to the outer walls of multiple positioning plates. This utility model, by squeezing the movable plate and through the cooperation between various structures, can move the clamping plates towards the handle. By pre-placing the cable plug inside the fixed jaw, the operator clamps the cable plug of the ring main unit by squeezing the movable plate. By releasing the movable plate and the automatic reset of the clamping plates, the cable plug is released, effectively improving the convenience of connecting the cable plug of the ring main unit.

To prevent a tightening device from unintentionally jumping out in the event of failure of a threaded bolt to be tightened, while reducing assembly complexity associated with an assembly consisting of the tightening device and a safety device.SOLUTION: A safety device (30) comprises a threaded sleeve (31) and protective arm (32) so that the safety device (30) can prevent a tightening device (11) from jumping out when a threaded bolt breaks. The threaded sleeve (31) is arranged outside a cylinder housing (7), and includes an internal thread (33) for engaging a threaded bolt (1C) adjacent to a threaded bolt (1B). The protective arm (32) is attached to the threaded sleeve (31) and extends above the cylinder housing (7) of the tightening device (11).SELECTED DRAWING: Figure 2

The utility model belongs to the technical field of electric screwdriver heads, and particularly relates to a floating electric screwdriver head device which comprises a second electric push rod, a driving motor, a screwdriver head body, a base, a Y-direction floating vertical plate, an X-direction floating vertical plate, an upper L-shaped mounting frame, a lower L-shaped mounting frame, a supporting plate, a first electric push rod, an X-direction floating mechanism and a Y-direction floating mechanism. The X-direction floating vertical plate is installed on the Y-direction floating vertical plate through an X-direction floating mechanism so that the X-direction floating vertical plate can float in a reciprocating mode in the X-axis direction. The Y-direction floating vertical plate is installed on the base through a Y-direction floating mechanism so that the Y-direction floating vertical plate can float in a reciprocating mode in the Y-axis direction. According to the floating electric screwdriver head device, the screwdriver head body can achieve reciprocating floating in the X-axis direction through the X-direction floating mechanism and can achieve reciprocating floating in the Y-axis direction through the Y-direction floating mechanism, the bidirectional floating range is wider, the floating electric screwdriver head device is suitable for different machining requirements, the screwdriver head body can be kept in the vertical state all the time, and machining safety is improved.

The invention discloses an electric screw driver torque control method, which relates to the technical field of electric screw drivers, and comprises the following steps: acquiring a screw image of a target screw before tightening the target screw, and tracing to acquire screw feature information of the target screw; obtaining a torque interval of the electric screw driver, randomly generating a first torque, and carrying out damage analysis on the target screw to obtain first damage probability information; based on historical fastening data of the target screw and the target fastener, analyzing first screw damage saliency and first fastener looseness saliency of the first torque, and calculating first torque fitness in combination with the first damage probability information; and according to the first torque fitness, the first torque is adjusted and optimized, the optimal torque is obtained, and the electric screwdriver is controlled through the torque control module. The technical problem that in the prior art, when screws of different specifications are tightened, the torque control precision is low is solved, and the technical effect of improving torque precision control is achieved.

A shear wrench tool comprising: a motor; a transmission operatively connected to the motor; a first socket arranged to engage a tip of a bolt to be sheared; a second socket arranged to engage a nut threaded on the bolt; wherein the first socket and second sockets are operatively connected to the transmission and rotate in opposite directions relative to each other when the motor provides torque to the transmission in use; an ejector mechanism comprising an ejector pin coaxial with the first and second sockets and moveable between a retracted position for enabling the tip of a bolt to be sheared to be received in the first socket and an extended position for urging a sheared tip from within in the first socket, the ejector pin being biased towards the extended position; wherein the tool is configured such that in use when the motor rotates in a first direction the first and second sockets tighten the bolt and nut without actuating the ejector mechanism whereby the ejector pin is blocked from moving to the extended position and when the motor rotates in a second direction the ejector mechanism is actuated whereby the ejector pin moves to the extended position for removing a sheared tip of the bolt from the first socket.

The present specification relates to a handheld power tool for tightening of threaded fasteners, the power tool comprising an output shaft (5) drivingly connected to a motor and having an interface arranged to receive a socket (S), wherein the output shaft further comprises a safety arrangement for preventing loss of the socket in case of damage to the interface, the safety arrangement comprising an elongated member (10), and a retaining member (3) secured to a rear portion of the output shaft, wherein a first end of the elongated member is arranged to restrict axial movement of a front portion (5a) of the output shaft and wherein the retaining member is arranged to restrict axial movement of the elongated member.

A power tool includes a housing, and a brushless direct current (DC) motor within the housing. The brushless DC motor includes a rotor, a stator, and a motor shaft. The power tool also includes an impact mechanism including a hammer coupled to the motor shaft and an anvil configured to receive impacts from the hammer. The anvil includes an anvil shaft having a circumference and a relief feature provided on the anvil shaft. The relief feature has an edge profile that extends along the circumference of the anvil shaft and varies in an axial direction of the anvil shaft. An anvil sensor is positioned adjacent the relief feature and is configured to sense a physical characteristic of the relief feature. A controller is connected to the anvil sensor and configured to control the brushless DC motor based on the physical characteristic.

The invention provides an electronic circuit board butt joint power strip screw synchronous fastening clamp, and relates to the technical field of power strip screw synchronous fastening, the electronic circuit board butt joint power strip screw synchronous fastening clamp comprises a fastening device, the outer surface of the fastening device is fixedly connected with a fastening mechanism, the outer surface of the fastening device is fixedly connected with an adjusting mechanism, and the fastening mechanism comprises a first knob; the outer surface of the first rotary knob is fixedly connected with a first milling cutter rod, the outer surface of the first milling cutter rod is rotationally connected with a driving wheel box body, the outer surface of the first milling cutter rod is fixedly connected with a first bevel gear, and the first bevel gear is connected with a second bevel gear in an engaged mode. According to the fastening device, synchronous fastening work on a screw is achieved, during fastening, after the driven wheel box body moves to a proper position on the sliding rod, the driving wheel box body is pressed downwards to drive the driven wheel box body to move downwards synchronously, so that the positioning sleeve is screwed into the lower portion of the screw rod, and the fastening screw is positioned.

The utility model discloses a bogie swing seat folding head bolt disassembling tool, including handle and internal hex sleeve, the inside of handle is provided with two sliding slots, the inside of two sliding slots all swing joint has the slide rod, the middle position of handle is provided with a plurality of symmetrical distribution's first clamping slot, the both ends of handle all are provided with two second clamping slots, the slide rod is fixed with handle through the bolt assembly, the bolt assembly includes the threaded hole, and the threaded hole is located in the one end of slide rod, the inside movable joint of threaded hole has the lead screw, and the outside movable joint of lead screw has the sliding block, and the both ends fixed connection of sliding block have the clamping block, and the first clamping slot of clamping block and corresponding position is clamped, the utility model not only can make the device get the accomodation, and the staff carries out the device conveniently, still can through the connecting assembly and be convenient for staff to carry out the dismounting of internal hex sleeve.