192results about How to "Realize power off" patented technology

The invention discloses a charging device for a new-energy vehicle. The charging device includes a column and a sliding cavity which is arranged in the column, the upper portion of the left side of the column is provided with an insertion cavity, a power supply part for being in matched connection with a charging part of the new-energy vehicle is arranged in the sliding cavity in an up and down sliding mode, the power supply part includes a downward sliding part and an upward sliding part which is fixedly connected with the downward sliding part, the left side of the upward sliding part is provided with a first power supply hole, the right side of the upward sliding part is provided with a power supply column, and a locking part for locking the charging part is further arranged in the upward sliding part. The charging device for the new-energy vehicle is simple in overall structure, safe and stable in running, relatively low in cost, convenient to mount and maintain and easy to operate, the continuity of electric vehicle charging can be achieved, charging is prevented from being broken midway, and the charging device is suitable for popularization and usage.

The invention discloses a loosening-prevention and high-safety power supply device. The loosening-prevention and high-safety power supply device comprises a socket part and a plug part, wherein the plug part is connected with the socket part in a matching way, the socket comprises a shell sleeve, an accommodating cavity and a guide block, the guide block is arranged in the accommodating cavity, the top of the guide block is fixedly connected with the center of a top wall in the accommodating cavity, a first sliding groove is formed in the top of the guide block, second sliding grooves are formed in two sides of the guide block and extend along a longitudinal direction of the guide block, a first counter hole is formed in the guide block at the bottom of the first sliding groove, an electrical connection hole is formed in the shell sleeve at the top of the first sliding groove, second counter holes are correspondingly arranged in the shell sleeves at the two sides of the electrical connection hole, guide sliding rods are arranged in the second counter holes and extend downwards, downward extension segments of the guide sliding rods extend into the first sliding groove and are fixedly connected with a bottom wall in the first sliding groove, sliding blocks are connected onto the guide sliding rods in a sliding way, two sides of the sliding blocks extend into the second sliding grooves and are connected with the second sliding grooves in a sliding way, first press springs are wound around the guide sliding rods at upper parts of the sliding blocks, and locking devices are correspondingly arranged in the shell sleeve at a left side and a right side of the bottom of the accommodating cavity.

The invention discloses new-type bridge facility, comprising an electric connection base and an electric connector which is connected with an electrical maintenance device. Fixing blocks are symmetrically arranged at the right sides of upper and lower end faces of the electric connection base. Fixing holes are arranged in the fixing blocks. Slide slots of which slot openings face the right are symmetrically arranged up and down in the electric connection base. Slide bases are mounted in the slide slots in a slide mode. A communication slot is arranged between the two slide slots. An iron block is fixedly mounted at the middle end of the communication slot. A coil is fixedly mounted at the outer side of the iron block. Slide arms are symmetrically arranged up and down in the communication slot in the slide mode. An insertion slot which is communicated left and right is arranged at the middle end in the slide base. A movement guide surface connected with the insertion slot is arranged at the right end face of the slide base. First propulsion slots communicated with the insertion slot are symmetrically arranged up and down in the slide base. First propulsion blocks are mounted in the first propulsion slot in the slide mode. Conduction sheets are fixedly mounted on the end faces of the first propulsion blocks facing the insertion slot.

The invention discloses an LED lamp device which comprises lamp holder portion fixedly installed onto the wall and a bulb holder portion fittingly connected with the lamp holder portion. Inserting slots with opening ends of each facing to the right are correspondingly arranged in the upper and lower portions of the lamp holder portion, a first slide push groove is arranged between the two inserting slots in a communicated manner, first slide rods are movably and correspondingly mounted in the upper and lower portions of the slide push groove, second conduction pieces are fixedly installed at one ends of the first slide rods and facing to the inserting slots, first oblique butt surfaces are arranged at one ends of the first slide rods and away from the inserting slots, a slide push cavity is arranged in left ends of the inserting slots, a second slide push groove extending bilaterally is further arranged between the inserting slots, the left end of the second slide push groove is communicated with slide push cavity while the right end penetrates the first slide push groove, installing grooves are further correspondingly arranged in upper and lower portions of the right end wall of the first slide push groove, second conduction pieces fixed with the first slide rods and electrically connected with the second conduction pieces are movable installed in the slide push cavity, and power supply pins connected with a Mains supply is fixedly installed in the slide push cavity and away from the end wall of a second slide push grooves.

The invention discloses a household power socket device which comprises a socket fixedly mounted in a wall and a plug body connected with a household electrical appliance, wherein sliding chutes with rightward openings are formed in the socket in a longitudinal symmetry manner; sliding seats are mounted in the sliding chutes in a sliding manner; a communicating slot is formed between the two sliding chutes; an iron core is fixedly mounted in the center of the communicating slot; a coil is fixedly mounted on the outer side of the iron core; a sliding arm is mounted in the communicating slot in a longitudinal symmetry and sliding manner; leftwards and rightwards communicating plugging cavities are formed in the centers of the sliding seats; introduction slopes connected with the plugging cavities are arranged on the right end surfaces of the sliding seats; first expansion and retraction slots communicating with the plugging cavities are formed in the sliding seats in a longitudinal symmetry manner; first expansion and retraction blocks are mounted in the first expansion and retraction slots in a sliding manner; power supply sheets are fixedly mounted on the end surfaces, which face to the plugging cavities, of the first expansion and retraction blocks; first grooves matched with the first expansion and retraction blocks are symmetrically formed in upper and lower end walls of the sliding chutes; and connection cavities communicating with the first expansion and retraction slots and the plugging cavities are formed in the left ends of the first expansion and retraction slots.

The invention relates to a wireless charging method of a mobile terminal and a wireless charging device. The method comprises the following steps of sending a detection signal to a charging interface of the wireless charging device; judging whether a resonance response signal corresponding to the detection signal is received or not, if so, sending a charging signal to the charging interface; judging whether a charging response signal corresponding to the charging signal is received or not, if so, carrying out wireless charging to the corresponding mobile terminal; and if not, sending a pre-charging signal to the charging interface. The invention also relates to the wireless charging device. According to the wireless charging method and the wireless charging device, through a pre-charging set, an over-discharging mobile terminal can also be charged through the wireless charging device.

The invention discloses a hair dryer device. The hair dryer device comprises an electricity connection shell and a skating cavity formed in the electricity connection shell, the upper portion and the lower portion of the right side of the electricity connection shell are provided with hanging arms front and back in a corresponding mode, each hanging arm is provided with a hanging hole, the upper portion of the left side of the electricity connection shell is provided with an inserting groove, the skating cavity is provided with an electricity connection device which is capable of sliding left and right and is used for being coordinately connected with an electricity connection pin which connects the hair dryer, the electricity connection device comprises a lower movable section and an upper movable section which is fixedly connected with the lower movable section, the left side of the upper movable section is provided with a first electricity connection groove, the right side off the upper movable section is provided with an electricity connection column, and the upper movable section is further provided with a locking-connecting device which is used for conducting locking-connecting on the electricity connection pin. The hair dryer device is simple in overall structure, safe and stable in operation, low in cost, convenient to install and maintain, and simple in operation; meanwhile, the continuity of power supply to the hair dryer can be achieved, the situation that the power supply is broken down halfway is prevented, and thus the hair dryer device is suitable for being applied and popularized.

The invention discloses a high-safety electric power supply device, including a power supply base formed by an execution part and a power supply part and a plug piece used for being matched and connected with the power supply base, the bottom of the lower right side of the execution part is provided with a first sliding groove, a first screw is arranged in the first sliding groove, the right side end of the first screw is in power connection with a first motor, the first screw is provided with locking guide sliding blocks connected therewith in a screw-thread fit mode, a second sliding groove is arranged in the locking guide sliding block, a second screw is arranged in the second sliding groove, the right side end of the second screw is in power connection with a second motor, the bottom of the second sliding groove is provided with an installation groove, an accommodating cavity is arranged in the locking guide sliding block at the left side of the installation groove, a movable locking piece is arranged in the accommodating cavity, the top of the movable locking piece stretches into the second sliding groove and is in screw-thread fit with the second screw, a placing cavity is arranged in the locking guide sliding block at the right side of the installation groove, the lower side of the placing cavity is provided with a clamping groove, and an inclined plane guide sliding groove is arranged between the clamping groove and the installation groove.

The invention relates to the field of electric power equipment, and specifically relates to an intermittently pulled-off type cable wiring instrument for an electric power system. An intermittently drawn-off type cable wiring instrument for an electric power system includes a wiring instrument body; wiring columns are arranged in the two side walls of the upper end of the wiring instrument body; a support rod penetrates through the upper end and the lower end of each fixing block; buffer devices are connected to the portions, on the two sides of the support rods, of the internal portion of the wiring instrument body; each cushioning device comprises a base, a reset spring, a buffer rod and a buffer plate; conductive blocks slide in wiring grooves through cooperation between slide blocks and slide rails; and the bottom ends of jacks are provided with electromagnets which are connected to permanent magnets through magnetism. The intermittently pulled-off type cable wiring instrument of the invention can realize intermittent power-on and power-off of the wiring instrument, so that the assembling progress and the assembling quality of the electric power system are raised to a great extent; favorable conditions are provided for maintenance, repairing and replacing of the electric power system; and the intermittently drawn-off type cable wiring instrument has a broad market application prospect.

The invention provides an intelligent power socket. The intelligent power socket comprises a shell, a power input wire and a power output wire, wherein the power input wire is electrically connected with the power output wire. The intelligent power socket further comprises a processor, a voltage converting module, a network interface and a relay, and a contact of the relay is connected to the power output wire in series; the voltage converting module is electrically connected with the power input wire and connected with the processor; the network interface and the relay are respectively connected with the processor. The invention further provides a network device system and a control method. The intelligent power socket, the network device system and the control method have the advantages that the network interface monitors the working state of a network device, when an access fault happens, the processor controls the state of the relay, the power output wire can be powered on and off, thus, the network device connected with the power output wire can be restarted and kept powered off or on, the access fault can be effectively solved, electric energy can be saved, and meanwhile, a clock module is arranged to achieve timing control; a signal indicator lamp indicates a working state; a button facilitates manual operation; a temperature and humidity sensor performs environmental monitoring.

The invention discloses a power strip assembly convenient to use. The power strip assembly comprises two support members and two power strip mechanisms. The two support members are opposite to each other. Each support member is provided with a sliding groove. The sliding grooves in the two support members are opposite to each other. The two power strip mechanisms are arranged between the two support members. The two power strip mechanisms are opposite to each other. Each power strip mechanism comprises a housing, a plurality of conductive units, a switch unit and two sliding members. A plurality of jacks are formed in the housing. The housing is provided with an accommodating cavity. The plurality of conductive units and the switch unit are respectively arranged in the accommodating cavity. The plurality of conductive units are corresponding to the plurality of jacks one by one. The plurality of conductive units are respectively and electrically connected with the switch unit. The two sliding members are respectively rotationally installed on two ends of the housing. The two sliding members are respectively in movable connection with the sliding grooves in the two support members. A plurality of first clamping members are arranged on the upper surface of the housing of one power strip mechanism, and a plurality of first clamping matching members are arranged on the lower surface of the housing. The usage effect of the power strip assembly is good.

The invention discloses a novel bridge facility, and the facility comprises a bolt seat, and a bolt head which is connected with electrical maintenance equipment. The right sides of the upper and lower end walls of the bolt seat are correspondingly provided with fixed blocks. The bolt seat is provided with slots in a vertically corresponding manner, wherein the openings of the slots face the right. A first chute is disposed between the slots in an intercommunicated manner. The chute is slidingly provided with a first sliding plate in a vertically corresponding manner. One end, facing the slots, of the first sliding plate is fixedly provided with a second power transmission piece, and the other end, far from the slots, of the first sliding plate is provided with a first inclined sliding surface. The left ends of the slots are also provided with sliding cavities. A second chute which extends laterally is disposed between the two slots, wherein the left end of the second chute is communicated with the sliding cavities, and the right end of the second chute passes through the first chute. The right end wall of the first chute is also provided with placement grooves in a vertically corresponding manner. The interior of each sliding cavity is slidingly provided with a first power transmission piece which is fixedly connected with the first sliding plate and is in circuit connection with the second power transmission piece. The end walls, far from the second chute, of the sliding cavities are fixedly provided with a power transmission piece connected with the commercial power supply.

The invention relates to a water cup device. The water cup device comprises a water cup, an electric plug and an electric socket, wherein the left side surface of the water cup is provided with a cup handle, the upper portion of the right side surface of the water cup is provided with a cup mouth, the electric plug is connected with the water cup through a wire, and the electric plug is plugged in the electric socket in a matched mode; plug grooves with rightward groove openings are formed in the electric socket in an up-down symmetrical mode, a first communicated sliding groove is formed between the two plug grooves, and a first sliding arm is installed in the sliding groove in an up-down symmetrical and sliding mode; a second contact is fixedly installed at the end, facing the plug grooves, of the first sliding arm, and a first inclined-angle surface is arranged at the end, backing the plug grooves, of the first sliding arm; the left end of each plug groove is further provided with a sliding cavity, a second sliding groove extending left and right is further formed between the two plug grooves, the left end of the second sliding groove is communicated with the sliding cavities, and the right end of the second sliding groove runs through the first sliding groove.

A dust collector device disclosed by the present invention comprises a distribution box and a plug connected with a dust collector, at least two sets of sockets are arranged in the distribution box up and down and at intervals via clapboards, and the sliding and pushing cavities of which the openings are rightward are arranged in the sockets up and down and correspondingly. Sliding tables are installed in the sliding and pushing cavities movably, a communicating groove is arranged between two sliding and pushing cavities, and an iron rod is fixedly installed in the center of the communicating groove. A coil is fixedly installed at the outer side of the iron rod, sliding and pushing arms are arranged in the communicating groove up and down and correspondingly and movably, and inserting grooves which are communicated left and right are arranged in the centers of the sliding tables. The right end faces of the sliding tables are equipped with the sliding guide surfaces connected with the inserting grooves, the first pushing and ejecting grooves communicated with the inserting grooves are arranged in the sliding tables up and down and correspondingly, and the first pushing and ejecting blocks are arranged in the first pushing and ejecting grooves movably. Electric clamping sheets are fixedly installed on the end faces of the first pushing and ejecting blocks facing the inserting grooves, the upper and lower end walls of the sliding and pushing cavities are correspondingly equipped with the first notches matching the first pushing and ejecting blocks, and the left ends of the first pushing and ejecting grooves are equipped with the jointing grooves communicated with the first pushing and ejecting grooves and the inserting grooves.

The invention provides an unmanned aerial vehicle automatic charging unattended system which comprises a stopping cabin; the stopping cabin comprises an upper box and a lower box which are arranged upand down; the top of the upper box is open, the upper box is communicated with the lower box, and a lifting mechanism is arranged in the lower box and used for collecting the unmanned aerial vehicleinto the lower box. An unmanned aerial vehicle position correcting unit is further arranged in the upper box and used for correcting the position of the unmanned aerial vehicle and shifting blades ofthe unmanned aerial vehicle into the storage space. An autonomous charging and power-off unit is arranged in the lower box and used for charging the unmanned aerial vehicle; a controller is arranged in the stopping cabin, and a control circuit of the lifting mechanism and a control circuit of the unmanned aerial vehicle position correcting unit are both connected with the controller; the controller comprises a wireless communication module, and the wireless communication module is connected with an upper computer. According to the unmanned aerial vehicle automatic charging unattended system, the occupied area of the stopping cabin is small, and disassembly, assembly, debugging and transportation are convenient; charging is conducted in a wired mode, and charging efficiency is high; and thepower-off mechanism prevents the paddle motor from rotating in the cabin to damage the paddle due to misoperation.

The invention discloses a bridge facility comprising an electrical connection seat and an electrical connector connected with electrical maintenance equipment. Fixed blocks are symmetrically arranged at the right sides of the upper end surface and the lower end surface of the electrical connection seat; and fixed holes are formed in the fixed blocks. Slip slots with notches to the right are arranged in the electrical connection seat in an up-down symmetric manner; slip bases are installed in the slip slots in a slipping manner; a connecting groove is formed between the two slip slots; an iron block is fixedly installed in the middle of the connecting groove; and a coil is fixedly installed at the outer side of the iron block. Slip arms are installed in the connecting groove in a slipping manner, wherein the slip arms are arranged symmetrically up and down. Insertion slots in a left-right connection manner are formed in the middle of the slip bases; guiding moving surfaces connected with the insertion slots are arranged at the right end surfaces of the slip bases; first propelling grooves connecting the insertion slots are formed in the slip bases in an up-down symmetric manner; first propelling blocks are installed in the first propelling grooves in a slipping manner; and conduction pieces are fixedly installed at the end surfaces, facing the insertion slots, of the first propelling blocks.

The invention discloses a new type of water cup, which comprises a water cup, a plug connected to the cup through wires, and a socket connected to the plug. The cup spout set on the right side of the cup body and the cup cover set on the top of the cup body are composed of a sliding groove with the port facing the right in the upper and lower sides of the socket, and a sliding seat is installed in the sliding groove, two sliding grooves There is a connecting groove between them, an iron rod is fixedly installed in the middle of the connecting groove, and a coil is fixedly installed on the outside of the iron rod. The insertion tight groove, and the right end surface of the sliding seat is provided with a guide surface connected with the insertion tight groove.

The invention discloses an energy-saving mechanism cooperating with an electromagnetic switching-on and switching-off mechanism for use. The energy-saving mechanism comprises a lock catch unit, an energy-saving unit, an automatic tripping unit and a hand-operated tripping unit. The moving iron core of an electromagnetic mechanism moves to an attracting position the instant when a coil is energized, the lock catch unit enables the moving iron core to maintain motionless at the attracting position through a mechanical lock catch structure formed between the lock catch unit and the moving iron core, and at the same time, the energy-saving unit controls the coil to be de-energized the instant when the moving iron core is deviated from an initial position, such that zero power consumption is realized when the electromagnetic switching-on and switching-off mechanism works, and enormous electric energy is reduced; the automatic tripping unit, when a user has an overdue bill, receives a tripping instruction and acts, and triggers the mechanical lock catch structure formed by the lock catch unit and the moving iron core to release a lock catch so as to realize automatic switching-off; and the hand-operated tripping unit, when an intelligent ammeter or a multifunctional terminal electric appliance needs overhaul or maintenance, triggers the mechanical lock catch structure formed by the lock catch unit and the moving iron core in a hand-operated mode to release the lock catch so as to realize hand-operated switching-off.

The invention relates to an automatic power failure device for electric power information communication. The automatic power failure device comprises a case, a wind-driven device, a transmission roller, a driven longitudinal rod, a movable contact and a static contact, wherein the case comprises a case main body, an upper roaring hole, a transverse arrangement screw hole, a lower rotating hole, a position limiting screw bolt, a first wiring hole, a second wiring hole, an upper position limiting plate and a lower position limiting plate; the wind-driven device comprises an external threaded shaft, a driving gear, a wind-driven fan blade, a position limiting screw nut and a longitudinal arrangement insertion hole; the transmission roller comprises a transmission mandrel, a driven gear and a transmission roller post; the driven longitudinal rod comprises an overhead plug, a bottom plug, a bias longitudinal rod and a manual lock; the movable contact comprises a contact body, a hinging lug boss and a hinging connecting rod; the static contact is connected with a second conducting wire; the second conducting wire penetrates out of the casing main body from the second wiring hole. The automatic power failure device for electric power information communication has the advantages that the automatic power failure can be realized under the strong wind effect; the power failure can also be realized through manual pressing. The invention also discloses a power failure method of the automatic power failure device.

The invention discloses a wellhead heating device for exploitation of oil and natural gas. A structure of the wellhead heating device for the exploitation of the oil and natural gas comprises a hollowrod, an oil extraction pipe string, a solid rod, a pumping pump, a temperature control device, a terminal device, a four-pass interface, a blow-proof box, a suspension connector, a beam-pumping unit,a connecting cable, a pumping unit bracket, a pumping unit base, a connecting rod device, a motor, a control box, a display and an operation button. According to wellhead heating device for the exploitation of the oil and natural gas, the temperature control device is internally provided with a power failure mechanism, a transmission mechanism, a temperature sensing mechanism, a heating mechanismand an overload protection mechanism, so that the monitoring of heating temperature in the process of heavy oil thermal recovery can be realized; at the same time, the heating mechanism can be openedand closed automatically, the automation degree is high; and the normal production of oil wells can be guaranteed, the waste of resources is avoided, and the economic benefit is high.

The invention aims to provide an overall vehicle power cutoff control system. An overall vehicle power supply can be controlled according to running conditions of a vehicle so as to reduce unnecessary waste of energy and protect batteries. The overall vehicle power cutoff control system comprises a power supply management module and a main power supply switch, connection and disconnection of the main power supply switch are controlled by the power supply management module, and a timing unit and a level detection unit are arranged in the power supply management module; and the power supply management module is respectively connected with a vehicle ignition switch and a charging output end of a power generator and is used for controlling the connection and disconnection of the main power supply switch according to timing of the timing unit, gear information of the vehicle ignition switch and information of the charging output end of the power generator. By adopting the overall vehicle power cutoff control system, a main power supply can be disconnected automatically within certain time when an engine is not started, and the functions of overall vehicle power cutoff and battery protection can be realized. Moreover, no additional operation and influence can be generated for startup and normal running of an overall vehicle.

The invention relates to high-end intelligent robot equipment. The high-end intelligent robot equipment comprises a charging pile body and a charging end which is connected with a robot; inserting cavities with rightward ports are formed in a charging socket in an up-down equal mode, and communicating first sliding connecting grooves are formed between the two inserting cavities; first sliding connecting arms are installed in the sliding connecting grooves in an up-down equal and sliding connecting mode; second elastic heads are fixedly installed at the ends, toward the inserting cavities, of the first sliding connecting arms; first inclined inserting faces are arranged at the end, back to the inserting cavities, of the first sliding connecting arms; sliding connecting cavities are further formed in the left ends of the inserting cavities; a left-right stretching second sliding connecting groove is further formed between the two inserting cavities; the left end of the second sliding connecting groove communicates with the sliding connecting cavities, and the right end of the second sliding connecting groove communicates with the first sliding connecting grooves in a penetrating mode; installing connecting grooves are further formed in the right end walls of the first sliding connecting grooves in the up-down equal mode; first elastic heads which are fixedly connected with the first sliding connecting arms and are electrically connected with the second elastic heads are installed in the sliding connecting cavities in a sliding connecting mode; and electrical connecting pieces which are connected with electric supply are fixedly installed on the end walls, back to the second sliding connecting groove, of the sliding connecting cavities.

The invention discloses a reliably connected patch board assembly, which comprises a shell, a switch unit and a plurality of conductive units, wherein a plurality of sockets are arranged on the shell; an accommodating cavity is arranged in the shell; the switch unit is arranged in the accommodating cavity; the switch unit comprises a first electric conductor, a second electric conductor, a bracket and a motion lever; the motion lever is horizontally arranged on the bracket and is movably connected with the bracket; the motion lever is connected with the first electric conductor; the first electric conductor has a first position state and a second position state; when the first electric conductor is located in the first position state, the first electric conductor is separated from the second electric conductor; when the first electric conductor is located in the second position state, the first electric conductor is in contact with the second electric conductor; the plurality of conductive units all are arranged in the accommodating cavity and are arranged corresponding to the plurality of sockets one by one; each conductive unit comprises a connector and two conductive groups; two conductive groups are oppositely arranged; and each conductive group comprises a metal sheet and a spring. According to the reliably connected patch board assembly, the using effect is good.

The invention discloses a single-chip microcomputer self-outage restarting circuit which is connected with a single-chip microcomputer. The single-chip microcomputer self-outage restarting circuit comprises a switch chip U1, a reset chip U2, a P channel MOS pipe Q1, an N channel MOS pipe Q2, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a power supply VCC and a controlled power supply VCC_CTRL. When the single-chip microcomputer is halted due to some fault, the watchdog signal output end of the single-chip microcomputer stops outputting watchdog signals; when the reset chip does not receive the watchdog signals when exceeding the preset deadline, the reset signal output end of the reset chip outputs the low level; due to the fact that the normally open end of the switch chip U1 is connected with the public end of the switch chip U1, the grid voltage of the N channel MOS pipe Q2 is driven down, the N channel MOS pipe Q2 is disconnected, the drain voltage of the N channel MOS pipe Q2 is driven high by the resistor R3, the grid voltage of the P channel MOS pipe Q1 is driven high, the P channel MOS pipe Q1 is disconnected, the outage of the controlled power supply VCC_CTRL is achieved, the power supply VCC maintains a power-on state, and the circuit is started again.

A new type of dust collector device, including a socket and a plug connected to the dust collector, the socket is provided with a screw hole with the opening facing right, and a screw is rotatably installed in the screw hole. The left and right connecting slots are provided in the screwing part, and the inserting slot is fixedly installed with the bullet clip. The washer is fixedly installed at the middle end of the left end face of the screwing part, and the left end face of the washer is provided with a hole slot. The seat is provided with an annular groove at the left end of the screwing hole, and a middle end groove is arranged at the middle end of the left end of the annular groove, and a sliding part is installed in the middle end groove so as to slide left and right, and the middle end of the right end surface of the sliding part is fixedly installed. There are nails, and the end wall of the annular groove is provided with an arc-shaped groove located at the rear upper part of the sliding part and at the front lower part of the sliding part. The upper and lower indentation grooves extending up and down are arranged in the end wall of the annular groove commensurate with each other. The arc-shaped grooves are connected, and the power supply block is slidably installed in the indented grooves.