38 results about "Handgrip cover" patented technology

The utility model relates to the technical field of screwdrivers, and discloses an inertia ratchet screwdriver which comprises a handle, a shell fixedly connected to one end of the handle, a steering sleeve rotationally connected to the surface of the bottom of the shell, a rotating mechanism arranged on the surface of a handle cover and used for rotating the steering sleeve, a brushless motor installed in the shell, and a connecting sleeve fixedly connected to the output end of the brushless motor. The outer surface of the connecting sleeve is sleeved with a first ratchet wheel and a second ratchet wheel, the surface directions of the first ratchet wheel and the second ratchet wheel are opposite, and a limiting mechanism for limiting rotation of the connecting sleeve is arranged in the handle. Through the arrangement of the two fixed rotating shafts and the two first ratchet wheel pushing pieces, the second ratchet wheel and the first ratchet wheel can be limited respectively, rotation of the connecting sleeve can be limited in the using process, the connecting sleeve and the screwdriver bit can be driven by the brushless motor to rotate for use, and the connecting sleeve and the screwdriver bit can also be limited to rotate by limiting rotation of the connecting sleeve. The device is used in a manual mode.

The utility model discloses a combined type hole guiding device which is characterized in that an upper pressing plate and a lower pressing plate are oppositely arranged to form a main body structure of the combined type hole guiding device; the hole guiding end of the combined hole guiding device and the drill bushing seat are vertically and fixedly installed on the upper end face of the upper pressing plate in the axial direction, the drill bushing is installed in the drill bushing seat in an embedded mode, the positioning guide pin is vertically and fixedly installed on the lower end face of the lower pressing plate in the axial direction, and the drill bushing and the positioning guide pin are coaxially installed. An interlayer gasket is clamped among the handheld end, the upper pressing plate and the lower pressing plate of the combined hole guiding device, an upper handle cover is arranged on the upper end face of the upper pressing plate, and a lower handle cover is arranged on the lower end face of the lower pressing plate. According to the combined type hole guiding device, the interlayer gaskets with the corresponding thicknesses can be replaced to meet the hole guiding requirements of parts with different thicknesses, and the drill bushings can be replaced to meet the hole making requirements of different hole diameters; the hole guiding device is convenient to operate, wide in application range and capable of improving the quality and efficiency of hole guiding operation.

A kind of multi-position connection module, including an insulating shell, the upper side of shell is provided with a handle cover, the other end of shell along its length direction is provided with operating gap, the lower side of handle cover is provided with two conductive strips, the lower side of shell is provided with two annular mounting seats, the outer periphery of mounting seat is provided with external thread, the inner cavity of any one mounting seat is provided with a pin tube along its axial direction, the inner cavity of pin tube is formed into first channel along its length direction, the inner cavity of mounting seat and the outer wall of pin tube form second channel, first conductive body is provided in first channel, second conductive body is provided in second channel, the upper portion of first conductive body and the upper portion of second conductive body are provided with conductive clamping mechanism.The beneficial effects of the utility model are: stable on-off performance, no false touch phenomenon occurs.

The invention relates to the technical field of coal mine safety detection equipment, and provides a mining intrinsic safety type aerial fog spraying controller which comprises a rod tail seat, the top of the rod tail seat is connected with a telescopic rod piece, the top of the telescopic rod piece is connected with a handle pipe, the outer side of the handle pipe is connected with a handle cover, and the top of the handle pipe is connected with a first mounting plate. The two ends of the top of the first mounting plate are connected with connecting rods, the tops of the two connecting rods are connected with a shell, the outer side of the shell is connected with a control panel, a gas cylinder is connected between the two connecting rods, the top of the shell is connected with a second mounting plate, one end of the top of the second mounting plate is connected with an electromagnetic valve, and the outlet end of the electromagnetic valve is connected with a movable connector. The outlet end of the movable connector is connected with a smoke outlet nozzle, and the other end of the top of the second mounting plate is connected with a heating head. The technical defects of a traditional aerial fog spraying controller are comprehensively overcome through the height-adjustable telescopic rod piece, the direction-flexible spraying head, the uniform heat source design, the real-time monitoring system and safe and portable operation.

The utility model discloses a rotary easy -open cover, including cover body, sealing body and handle, the middle of cover body is equipped with an opening through -hole, and sealing body includes connecting portion, elastic part and sealing part, and sealing part is connected with connecting portion through elastic part, and connecting portion is fixedly connected the lower end surface of cover body, and sealing body corresponds opening through -hole, and one end of handle is equipped with the stirring part, and the other end is equipped with the clamping part, and the middle part of handle and the middle position of sealing part form rotatable connection, and sealing part is equipped with a circle soft sealing convex part, when the clamping part is clamped in the upper end surface of cover body by rotating handle, the soft sealing convex part on sealing part seals opening through -hole, and the clamping part falls into opening through -hole by rotating handle, and elastic part drives sealing part away from cover body to open opening through -hole. The utility model discloses still adopt the packing jar of above -mentioned easy -open cover, and its jar body is convenient to open and seal switch, and secondary sealing performance is good, and the use range is wider.

The embodiment of the utility model provides a handle and a liquid heating device. The handle comprises a handle main body; the handle cover is arranged on the handle main body, and an opening is formed in the handle cover; the power switch is movably arranged at the opening; the steam switch is movably arranged in the handle main body; the partition piece can divide the space in the handle main body into a first space where the power switch is located and a second space where the steam switch is located, and a through hole is formed in the partition piece; the first end of the transmission mechanism is connected with the power switch, and the second end of the transmission mechanism is connected with the steam switch through the through hole; when the power switch moves to the starting position, the power switch can drive the steam switch to be started and powered on through the transmission mechanism, and when the steam switch is reset and powered off under the influence of steam, the steam switch can drive the power switch to be reset through the transmission mechanism. The separator can effectively prevent steam from flowing to the power switch, so that the probability of condensed water at the power switch position is reduced.

This product is a pot lid, and has a central portion made of glass and an outer edge portion made of silicone resin that surrounds the periphery. The outer edge portion has a tongue that can be lifted upward, formed by a pair of full-cut slits and a half-cut slit connecting the base ends of both full-cut slits. As shown in Reference Figure 1, which shows the state of use, the lid can be closed with the detachable handle attached to the pot body. As shown in Reference Figure 2, which also shows the state of use, the detachable handle can be removed with the lid on the pot body. As shown in Reference Figures 3 and 4, which also show the state of use, the lid can also be closed with a rice scoop, chopsticks, etc., inside the pot body.

The application provides a pot cover and a pot. The pot cover comprises a cover body, a cover seat and a handle. The cover seat is installed on the cover body, and the handle can rotate relative to the cover seat in a vertical plane, so that the end of the handle can be close to or away from the cover body along the height direction of the pot cover, and the handle is in a first state or a second state. The handle has a first abutting surface and a second abutting surface, and the cover seat has a matching surface. The first abutting surface can abut against the matching surface to limit the handle in the first state, and the second abutting surface can abut against the matching surface to limit the handle in the second state. When the handle is in the first state, the space occupied by the handle along the height direction of the pot cover is reduced, so that the space of the pot cover during packaging and transportation is reduced, the storage and transportation cost is reduced; when the handle is in the second state, the user has space to hold the handle, the user can hold the pot cover through the handle, the stability and reliability of the handle in the working state are improved, and the risk of the pot cover falling is reduced.

The utility model relates to the technical field of teaching aids, and discloses an auxiliary line teaching aid ruler capable of accommodating a teaching aid rod, which comprises a first accommodating seat and a second accommodating seat, a rope is arranged between the first accommodating seat and the second accommodating seat, the upper end of the first accommodating seat and the upper end of the second accommodating seat are respectively provided with a handle cover, and the handle covers are arranged on the first accommodating seat and the second accommodating seat. The lower end of the first storage seat and the lower end of the second storage seat are each provided with a blackboard self-attraction magnetic attaching seat, and the right end of the first storage seat is provided with a first self-attraction magnetic attaching plate. According to the auxiliary line teaching aid ruler capable of storing the teaching aid rod, the first storage seat and the second storage seat are attracted to a blackboard through the blackboard self-attraction magnetic pasting seat, so that the rope is straightened, after the two storage seats attract two points of a figure, the rope forms an auxiliary line on the geometric figure, a real object line segment is used for replacing chalk for drawing, and the drawing efficiency is improved. The position of the auxiliary line can be flexibly adjusted, multiple pilot points of the auxiliary line can be achieved, convenience and rapidness are achieved, the interestingness and emphasis of teaching are improved, and the teaching efficiency is improved.

The utility model provides a single-sound oil filler cap with a springback function, which comprises a valve body connected with an oil pipe head, a handle cap buckled on the valve body, a ratchet wheel in one-way transmission connection between the handle cap and the valve body, and a torsion spring supported between the handle cap and the valve body in a torsion manner, a plurality of inner ring pawls distributed in the circumferential direction are arranged on the inner ring of the wheel disc, a plurality of outer ring pawls distributed in the circumferential direction are arranged on the outer ring of the wheel disc, the inner ring pawls and the outer ring pawls are in one-to-one correspondence in the circumferential direction and are the same in rotating direction, a circle of first ratchets are arranged on the inner side of the handle cover, and a circle of second ratchets are arranged in the middle of the upper end of the valve body. The first ratchets are meshed with the outer ring pawls, and the second ratchets are meshed with the inner ring pawls; a limiting structure used for limiting the relative rotation angle of the handle cover and the valve body is further arranged on the connecting face of the handle cover and the valve body. According to the oil filler cap, the internal design structure is optimized, so that the oil filler cap can be sealed in place only by hearing a prompt sound once when the oil filler cap is rotated and tightened, and the operation convenience and practicability are improved.

This utility model discloses a cup assembly and a juicer with the cup assembly. The cup assembly includes a cup body, a handle, a lid, and a pressing component. The cup body has a first cavity and a feed inlet communicating with the cavity. The side wall of the first cavity has a through hole. The handle is connected to the outer periphery of the cup body and has a second cavity communicating with the through hole. The lid is rotatably connected to the cup body to have an open state with the feed inlet open or a closed state with the feed inlet closed. The pressing component is at least partially movably disposed in the second cavity. A locking structure is provided between the cup body and the lid. A portion of the locking structure is accommodated in the through hole. The locking structure is used to restrict the lid from switching from a closed state to an open state. When the pressing component moves, it can unlock the lid. The user can unlock the lid by pressing the pressing component to disconnect the locking structure, which is relatively effortless and convenient for the user.

The present application relates to the technical field of gear, and discloses a gear switch for vehicle, which comprises a handle cover and a handle, the handle cover is installed at one end of the handle, a rotating rod is arranged in the handle, the rotating rod is connected with the handle through a buckle, a gear pin is connected at one end of the rotating rod, the rotating rod is used for controlling the gear pin to move, a rotating head, a shell and a lower cover form an open end with a cavity in the inside, and the gear pin is rotatably connected in the cavity. Three Hall chips are adopted in the present application, three Hall elements in the inside of the switch are numbered according to the magnetic induction principle, and voltage changes of the Hall elements are identified, a gear logic block diagram is formed, a signal is transmitted to an ECU, and the gear in which the handle is located is judged. Since the three Hall element structure is adopted, a high-low level output logic signal is output to the ECU to judge the gear in which the handle is located, the gear conversion function is realized, and the reliability of the product is improved.

The application discloses a kind of inductive control handle design methods for surgical robot, comprising: wiring shaft pipe, signal processing module, inductive copper pipe, handle shell, handle cover, lamp pearl, handle lamp ring, handle top cover, handle shell is the hollow cylinder of upper opening, inductive copper pipe is embedded in handle shell inner wall, signal processing module is embedded in inductive copper pipe inside, and with inductive copper pipe electrical connection, handle lamp ring is embedded in handle shell end, lamp pearl is installed in handle lamp ring inside, handle top cover is installed in handle lamp ring outer end, wiring shaft pipe is embedded in handle shell front end hole and with signal processing module line connection, handle cover is covered in handle shell opening place.The application adopts signal processing module+inductive copper pipe keyless induction, realizes multi-state light prompt by lamp pearl+handle lamp ring, overall more suitable for the demand of long time, high-precision operation of robot surgical operating table.

The utility model relates to the technical field of surgical instruments, and aims to solve the technical problem that single-hand operation is not convenient and flexible enough. In order to solve the technical problem, the utility model provides the drive-by-wire handle device which can be self-locked and unlocked by a single hand, can rotate flexibly and can adjust pre-tightening. The device comprises a rotating cover, a pre-tightening assembly, a handle cover body, a trigger, a connecting rod assembly and a self-locking assembly, a pulley block of the pre-tightening assembly is rotationally connected into a rotating cover, and a moving part is slidably connected to the rotating cover and connected with the pulley block. The trigger is hinged in the handle cover body; one end of the connecting rod assembly is connected with the metal wire, and the other end of the connecting rod assembly is hinged to the trigger; the self-locking assembly comprises a ratchet wheel, a pawl and an elastic piece. The ratchet wheel is connected with the handle cover and hinged to the front end of the trigger. The pawl is hinged with the trigger; one side of the pawl is meshed with the ratchet wheel, one end of the elastic piece abuts against the pawl, and the other end of the elastic piece is fixedly connected with the trigger. According to the utility model, one-hand operation and unlocking are more convenient.

The utility model provides a six-sound springback type oil filler cap which comprises a valve body and a handle cap connected to the valve body in a buckled mode, a torsion spring, a fixing base and a ratchet wheel are arranged in the valve body and the handle cap, the handle cap is in transmission connection with the valve body through the ratchet wheel to achieve torsion transmission, and the fixing base is used for supporting the torsion spring to achieve springback. According to the oil filler cap, an operator can be accurately prompted through six sounds, rebounding is achieved through the torsional spring, the tightening state is locked, and loosening is avoided.

The utility model discloses an anti-impact pressing type lock catch structure with a self-locking function, belongs to the technical field of mechanical locks, solves the problem that an existing product is difficult to give consideration to impact resistance, self-locking reliability and operation convenience, and comprises a fixed shell, a mounting cavity is formed in the right side of the top face of the fixed shell, and a locking groove is formed in the right side of the top face of the fixed shell. Symmetrically-distributed clamping grooves are formed in the front side and the rear side of the mounting cavity, limiting plates are slidably sleeved with the clamping grooves, round holes are formed in the middles of the limiting plates in a penetrating mode, inserting holes are transversely formed in the middle of the left side of the fixing shell in a penetrating mode, and limiting shafts are movably sleeved with the inserting holes. Through the arrangement of the handle, the cover plate, the limiting pin, the limiting plate, the tower spring, the fixed shell, the clamping spring check ring, the set screw, the spring and the limiting shaft, the anti-impact locking device has the advantages of being simple in structure, small in size, light in weight, excellent in anti-impact performance and the like, a double-spring matching structure is adopted, locking and unlocking actions can be completed through single-time pressing, and the anti-impact performance is remarkably improved.

The utility model belongs to the technical field of valve manufacturing, and relates to a ball valve, in particular to a handle embedded type nut cap fixing valve element and valve rod integrated PPR ball valve which comprises a valve body, an integrated valve element and valve rod, a handle, a nut cap, a sealing ring and a valve body sealing gasket. A valve body sealing gasket is installed in a valve rod part connecting groove, exposed out of the valve body, of the integrated valve element valve rod, a handle fixing clamp is arranged in the handle, and handle fixing clamping grooves are formed in the front face and the rear face of the integrated valve element valve rod, so that the situation that the handle and the valve rod are prone to falling off and being damaged is improved, the structural strength of the handle is enhanced, and downward pressure is larger and firmer; the nut cap fixing clamp is installed in the nut cap fixing clamping groove, the clamping groove protruding resistance joint fixes the nut cap and prevents the nut cap from loosening and falling off, the nut cap fixing clamp limits the handle fixing clamp in the handle fixing clamping groove, the handle is stably fixed and cannot fall off, the nut cap tightly presses the nut cap circular clamping groove, and the internal structure is protected against corrosion and oxidation.

The utility model relates to the technical field of fire fighting equipment, in particular to a barrel cover device for a water fetching and storing barrel of a helicopter, which comprises a circular plate-shaped cover body support, a plurality of mounting lock rings are uniformly distributed around the periphery of the cover body support and are used for being detachably connected with the top of a protection frame of a barrel body, and a plurality of openings are uniformly distributed on the cover body support in the circumferential direction. An opening is formed in the cover body support, cover plates capable of being opened downwards are hinged to the opening, locks used in cooperation with the cover plates are installed in the center of the cover body support, unlocking handles are installed on the locks, when the cover plates are closed upwards, the locks can be triggered to lock the cover plates, and the cover plates can be opened downwards by rotating the unlocking handles. Before a helicopter hoists the water fetching water storage barrel to fetch water, the barrel cover is in an open state, after the water fetching water storage barrel is full of water, the cover plate on the barrel cover is lifted by buoyancy of the water to be buckled upwards, at the moment, the lock is triggered to automatically complete locking, water is not prone to being sprayed in the transportation process, and the water fetching efficiency is improved.

The utility model provides a plug-in dumbbell fast adjusting mechanism which comprises a handle and is characterized in that the handle comprises a hollow handle tube and two sets of locking assemblies, the handle tube is provided with a step, a positioning hole, a square notch and a threaded hole, and the positioning hole and the square notch are matched with each other. The two sets of locking assemblies are combined to the two ends of the handle pipe respectively and stopped by the steps at the two ends of the handle pipe respectively, and each locking assembly comprises a locking ring and a handle cover. Through the arrangement of the locking assembly, the locking screw rod can be rapidly pulled out of the handle, after the weight pieces are increased or decreased, the locking screw rod can be rapidly inserted into the handle, and the weight pieces can be locked by screwing the locking screw rod. Meanwhile, the weight pieces are further designed to be in an opening mode, when the weight is switched, the weight pieces can be increased or decreased without completely pulling out the dumbbell handle and screwing the screw for many circles, and the weight of the dumbbell can be adjusted more conveniently and rapidly.

The utility model discloses an electronic gear shifting handle adjusting mechanism, which relates to the technical field of automobile gear shifting and comprises a gear shifter shell and a bottom shell detachably connected to the bottom end of the gear shifter shell, a gear shifting block is hinged in an inner cavity of the gear shifter shell, a gear shifting rod is arranged in the middle of the gear shifting block in a penetrating manner, and a gear shifting handle is arranged in the gear shifting rod. The gear shifting rod is hinged in the gear shifter shell through the gear shifting block, the pull rod and the locking rod are contained through the gear shifting rod, the lower locating pin is in sliding fit with the lower guide groove, the locking rod is installed in the lower inserting groove in the bottom end of the pull rod in a sliding mode, the handle shell and the handle cover are arranged at the top end of the gear shifting rod, and the gear shifting rod is locked through the handle shell and the handle cover in a matched mode. The locking pressing handle is packaged, the top edge of the locking pressing handle and the guide groove are in sliding fit with the upper positioning pin at the top end of the pull rod, the upper positioning pin falls into the guide groove, the pull rod and the locking rod slide downwards in the gear shifting rod, the bottom end of the locking rod extends into the automatic point groove, the position of the gear shifting rod is locked, gear locking is more stable, and gear shifting operation is more convenient.

The utility model provides an isolating switch handle, which comprises an operating mechanism for the action of an isolating switch, a handle, a handle cover and a fixing screw, a hole I is formed in the center of the handle; the handle cover is mounted on the upper surface of the handle; the handle is fixed on the operating mechanism through a fixing screw penetrating through the first hole. A plurality of grooves I are formed in the periphery of the upper surface of the handle; a protrusion matched with the first groove is arranged at the bottom of the handle cover. An annular sealing ring is arranged at the position, corresponding to the first hole, of the bottom of the handle cover. One end of the sealing ring is contacted with the bottom of the handle cover, and the other end is contacted with the upper surface of the handle to enclose the fixing screw inside; a second groove is formed in the position, connected with the handle cover, of the side face of the handle. A third groove is formed in the contact face, where the handle cover is installed, of the upper surface of the handle and used for limiting the handle cover. The LED lamp is simple in structure, capable of being quickly assembled and high in safety performance, and has certain waterproofness.

1. The name of the design product: the connecting part of handle cover. 2. The use of the design product: the handle cover is used to cover the handle of the toilet tank, and the connecting part of the handle cover is used to connect or assemble the handle cover to the handle of the toilet tank. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: the part shown by the solid line is claimed, and the part shown by the dashed line is not claimed.

A new type of operating mode gearshift mechanism, including base and handle cover with sliding connection with base, the handle cover inside fixedly provided with handle upper cover and handle lower cover, the handle upper cover and handle lower cover form handle cavity, the base is fixedly provided with support plate, the support plate is provided with magnetic induction chip, the handle upper cover is provided with magnet, the handle cover makes the magnetic induction chip realize gear function switching through the relative action with support plate. Handle cover can slide, rotate or tilt in any plane on the base, by adjusting the position relationship of magnet and induction chip, the switching of different gears can be realized, which provides greater freedom for personalized interior style and novel human-computer interaction mode. The magnetic element and the induction chip in the form of printed circuit board (PCB) are adopted, without complex mechanical linkage, the number of parts and assembly process are reduced, and the production cost and maintenance cost are reduced.

1. The name of the design product: handgrip cover. 2. The use of the design product: handgrip cover for installation on electric vehicles, motorcycles, bicycles, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a cutter capable of quickly adjusting elasticity. Comprising a tool bit, a pair of pull rod springs and two oppositely-installed handle covers, a containing cavity used for containing the tool bit is reserved between the handle covers, the other end, opposite to a tool edge of the tool bit, of the tool bit is connected with the handle covers through a rotating shaft, the two handle covers are provided with disassembling and assembling openings in the same position, and an adjusting piece is installed in each disassembling and assembling opening through a hinge shaft. And the other end of the adjusting piece is locked on the handle cover through a fastener. According to the utility model, when the force of the pull rod is adjusted, the whole body does not need to be completely disassembled, the adjusting piece can be rotated out, the pull rod spring is directly exposed and the insertion end is changed to be inserted into different insertion positions only by disassembling the fastening piece at the adjusting piece, so that the adjustment of the elastic force can be easily completed, and moreover, the design of a plurality of fixed insertion positions is more convenient to use. And fixed gears can be provided for adjustment, so that a user can conveniently select the elastic strength according to the gears.

A hair clipper comprises a clipper handle composed of an upper handle and a lower handle, a roller is arranged between the upper handle and the lower handle, and the roller is provided with a gear, and the upper handle and / or the lower handle is provided with a comb tooth beside the roller. The roller comprises a lower roller, the lower handle comprises a lower handle base arranged on a lower handle cover, the lower handle cover is provided with a lower assembly slot, the lower roller is arranged in the lower handle base, the lower handle cover covers the lower roller, and the upper part of the lower roller passes through the lower assembly slot upwards. One end of the lower roller is inserted into a lower positioning wheel, the lower positioning wheel is arranged in the lower handle base and rotates, and the other end of the lower roller is connected with an output shaft of a motor arranged in the lower handle base. The lower handle cover covers the lower positioning wheel and the motor respectively. The hair clipper further comprises a motor sleeve, one end of the motor is inserted into the motor sleeve, and the other end of the lower roller is also inserted into the motor sleeve. The hair clipper is easy to operate.

A folding knife with flashlights, including a handle and a rotatable blade; the handle has two handle scales; the two handle scales are assembled with each other, and a receiving cavity for receiving the blade is formed between the two handle scales; a first receiving space is formed within the first handle scale, and a circuit board is installed within the first receiving space; a second receiving space is formed within the second handle scale, and a first battery electrically connected to the circuit board is installed within the second receiving space; two lighting components are installed at a first end and a second end of the handle respectively; both the two lighting components are electrically connected to the circuit board; a pivot end of the blade is located at the second end.

A multi-position connecting module comprises an insulating shell, a handle cover is arranged on the upper side of the shell, an operation notch is formed in the other end, in the length direction, of the shell, two conductive strips are arranged on the lower side face of the handle cover, two annular mounting bases are arranged on the lower side of the shell, and external threads are arranged on the peripheries of the mounting bases. A pin tube is axially arranged in the inner cavity of any mounting seat, the inner cavity of the pin tube penetrates in the length direction to form a first channel, the inner cavities of the mounting seats and the outer wall of the pin tube form a second channel, a first electric conductor is arranged in the first channel, a second electric conductor is arranged in the second channel, and the first electric conductor and the second electric conductor are arranged in the mounting seats. Conductive clamping mechanisms are arranged on the upper portion of the first electric conductor and the upper portion of the second electric conductor. The invention has the beneficial effects that the switch-on and switch-off performance is stable, and the phenomenon of mistaken touch is avoided.

An electric tool, comprising a motor housing (12), a handle housing (11), an elastic member (9), and a connecting assembly (8). The motor housing is used for accommodating a motor, one end of the motor housing is provided with a plurality of assembling portions (121) extending in the direction perpendicular to the axis of the motor, and at least two assembling portions are disposed on two sides of the axis of the motor; the handle housing extends along the axis of the motor housing, one end of the handle housing is connected to the assembling portions, the handle housing comprises two handle covers (110), and the two handle covers are provided with abutting portions (111) connected to the assembling portions; the elastic member is located between the abutting portions and the assembling portions; and the connecting assembly passes through the abutting portions, the assembling portions and the elastic member, and locks the elastic member between the abutting portions and the assembling portions. The electric tool is of a straight-handle-type structure, and the elastic member can evenly bear, from multiple directions, vibration generated during operation of the electric tool, reducing the impact caused by vibration and prolonging the service life of the electric tool. Also provided is a printed circuit board for the electric tool.

The present disclosure discloses an agile wristed surgeon-friendly, multi-degrees, intuitive laparoscopic hand instrument. The laparoscopic hand instrument includes a hand controller module, a motion transmitter module, and an end effector module. The hand controller module comprises a circular shaped head, inner and outer rings formed of a circular head part with grooves and a cylindrical tail part with horizontal projections, a base member, and a handle integrated, via a slot, to a ridge on the bottom member, to allow independent rotation of the handle and the handle cap up to predefined degrees on either side. The motion transmitter module includes a shaft having multiple connecting rods. The end effector module includes an up and down pulley, pulleys A and B stacked and attached to the up and down pulley by a second rivet, and grippers and the up and down pulley configured to move together or independently in accordance with the motion of finger holders and the handle.