72results about How to "Safe and stable power connection" patented technology

The invention discloses an electrical connection device, a plug and a socket thereof, and a power strip. The electrical connection device is provided with a floating plate, such that pins of the plug are not exposed at the moment when the plug and the socket are connected or disconnected, thereby effectively avoiding accidental electric shock, preventing damage to human body by electric shock generated when plugging and unplugging the plug (especially when connecting high-power equipment), and achieves effective electric shock preventing, safe and reliable power connection. By arranging a locking mechanism, the plug is locked and fixed after plugging, thereby avoiding problems of loose connection and the like from occurring. By arranging a warning structure, the electrical connection device can send out warning when the plug is not plugged in place or the plug gets loose accidentally, thereby reducing the occurrence of accidents. In addition, by arranging a new plug jacket structure, the stability of connection is ensured.

The invention discloses a solar charging pile. The solar charging pile comprises a charging part and a charging gun used for being in matched connection with the charging part. The solar charging pileis characterized in that a left clamping groove and a right clamping groove which are opposite to each other left and right are formed in the bottom surface of the charging part, a passing groove isformed between the left clamping groove and the right clamping groove, an electricity output head is arranged at the portion, between the left clamping groove and the right clamping groove, of the bottom surface of the charging part, and a pushing block capable of sliding left and right is arranged in the passing groove. According to the solar charging pile, the charging gun is firmly locked and is safe and stable in electricity connection; the whole solar charging pile is convenient and fast to operate, the charging gun plugging-in and pulling-out efficiency is greatly improved, and it is effectively avoided that an electric shock accident occurs when the charging gun is plugged in or pulled out; a solar photovoltaic panel converts solar energy into electric energy, the electric energy isstored in a solar electricity storage box to be used by the new energy charging pile, and the energy is clean and free of pollution.

The invention discloses a safe welding equipment, which comprises a connection box, and a baffle plate fixedly arranged on the top of the connection box, an insertion slot is arranged inside the connection box, and the left end surface of the connection box A swivel is rotatably provided, and a rectangular snap-in slot is provided in the swivel, a receiving slot is provided in the right end surface of the electrical connection box, and a propulsion slot is connected between the receiving slot and the insertion slot, A vertical slot is provided in the connection box on the left side of the insertion slot, and an insertion block is provided in the insertion slot to slide left and right. The overall structure design of the present invention is reasonable, and the connection is safe and stable, greatly It reduces the electric shock accidents when plugging and unplugging the electric connector, effectively guaranteeing the safety of people's lives, the unlocking and locking of the electric connector is convenient and fast, suitable for popularization and use, and greatly reduces the production cost, and through manual control adjustment, Increasing the amount of exercise of people is helpful to people's health.

The invention discloses a novel electric automobile charging device which comprises a charging portion and a charging gun in matched connection with the charging portion. A first insertion groove anda second insertion groove which extend upwards are formed in the bottom end face of the charging portion, a sliding locking groove is communicated between the first insertion groove and the second insertion groove, a containing groove opposite to the sliding locking groove is formed in the left end wall of the first insertion groove, an electrifying head is arranged on the top end wall of the first insertion groove, a sliding locking block capable of sliding in a left-right way is arranged in the first insertion groove, a through groove is formed in the sliding locking block in a vertical through way, and an upper sliding groove and a lower sliding groove are formed in the upper and lower end walls of the sliding locking groove respectively. The charging gun in the novel electric automobile charging device is firm in locking and safe and stable in electrification, and the electric shock accident occurring during charging gun insertion or pulling is effectively avoided.

The invention discloses a clean energy charging pile. The clean energy charging pile includes an electricity seat arranged in the charging pile body and a charging block used for connecting with the electricity seat in a matched mode. The left end surface of the electricity seat is provided with a first sliding groove and an electricity sliding groove which are formed in the up-down direction andextend to the right. A tooth concave groove is connected between the first sliding groove and the electricity sliding groove in a communicating mode. The tooth concave groove is internally provided with a conduction tooth wheel through a rotation shaft in a rotatable mode. According to the clean energy charging pile, a hydraulic telescopic rod is driven to be flexed up and down through a hydrauliccylinder, so that the angle of a solar photovoltaic panel changes so as to adapt to changes of the solar elevation angle in a year, and solar energy resources can be used in the maximum efficiency accordingly. The charging block is locked safely and solidly, the electricity of charging block is safe and stable, the whole device is simple and convenient, the cost is low, the inserting and extracting efficiency of the charging block is great improved, and an electric shock accident is effectively prevented from occurring during inserting and extracting of the charging block.

The invention discloses a novel LED lamp for modern architecture decoration. The LED lamp comprises a fixing block arranged in a wall and an LED lamp body fixed to the fixing block; and the LED lamp is characterized in that a clamping-in block is arranged on the right end face of the LED lamp body, a lock groove is formed in the top end face of the clamping-in block, an electric connection block is arranged in the middle of the right end face of the clamping-in block, an upper pressure applying slope is arranged on the top of the right end face of the clamping-in block, and an insertion blockis fixedly arranged on the bottom of the right end face of the clamping-in block. The LED lamp body is safe and stable to lock, LED lamp body electrified connection is safe and stable, the LED lamp body is electrified while locked during installation and is unlocked while powered off during detachment, detachment of the LED lamp body can be completed through one motor, operation is convenient andquick, the installing and detaching efficiency of the LED lamp body is greatly increased, and electric shock accidents generated when the LED lamp body is installed and detached are effectively avoided.

The invention discloses a novel advertising board device. The device comprises a fixed frame fixedly arranged in a wall face and an advertising board in matched with the fixed frame, and is characterized in that an inserting groove is formed in the left end face of the fixed frame, a power-on hole is formed in the right end wall of the inserting groove, the top end wall of the inserting groove isprovided with a first sliding groove, and the bottom end wall of the inserting groove is provided with a second sliding groove opposite to the first sliding groove. The novel advertising board devicehas the advantages that the locking of the advertising board is firm, the power connection of the advertising board is safe and stable, the stability of the locking of the advertising board is improved, the assembly and disassembly efficiency of the advertising board is greatly improved, and electric shock accidents are effectively avoided when the advertising board is assembled and disassembled.

The invention discloses a bridge device, comprising an electric supply frame and an electric connection terminal in connection and cooperation with the electric supply frame. The center at the right end face of the electric connection terminal is provided with an insertion arm. The right end face of the electric connection terminal is provided with two insertion plates that are equally arranged at two sides of the front and the back of the insertion arm; each inner side end face of the two insertion plates is provided with a locking grove; and the inner side at each right end part of the two locking grooves is provided with a first inclined edge face; and the inner side at each right end face of the two insertion plates is provided with a second inclined edge face. The bridge device of the invention has a simple structure, and the supplied power is highly stable. Therefore, the power using safety in bridge construction can be increased, which ensures the life safety of people. In addition, as the unlocking of the electrical connection terminal is realized through a motor, it is possible to realize the cooperative connection of the electric connection terminal unlocking and the popping-out and dismantling of the insertion with the electric connection groove. The power-on and power-off operations to the bridge device are simple and convenient.

The invention discloses a practical dust removal device which comprises a body and a dust removal head in matched connection with the body, wherein an insertion groove is formed in the middle of the bottom surface of the body; a first removal groove is formed in the middle of the top wall of the insertion groove; a second removal groove is formed in the right side of the top wall of the insertiongroove; a third removal groove is formed in a position, above the first removal groove and on the left side of the second removal groove, of the interior of the body. According to the device disclosedby the invention, the dust removal head is firm to lock, the dust removal head is electrified while locking the dust removal head during installation, the dust removal head is unlocked while cuttingoff the power during detachment, the installation and detachment efficiency of the dust removal head is greatly increased, the dust removal head can be conveniently detached and replaced in need of cleaning, an electric shock accident occurring in the process of installing and detaching the dust removal head is effectively avoided, the human life safety is guaranteed, and the dust removal head canbe installed and detached by using a motor.

The invention discloses novel new-energy charging pile equipment. The equipment comprises a charging pile and a charging gun for being cooperatively connected with the charging pile, an insertion groove is formed in the left end face of the charging pile, a first channel groove is formed in the top end wall of the insertion groove, a first sliding groove extending left and right is communicated with the top of the first channel groove, a second sliding groove is formed in the bottom end wall of the insertion groove, and a cavity is formed in the right side of the second sliding groove in the charging pile. The charging gun is locked firmly, the charging gun is powered on safely and stably, the whole device is convenient and rapid to operate, dual locking on the charging gun is achieved, the locking stability is greatly improved, the assembling and disassembling efficiency is high, and the phenomenon that an electric shock accident happens when the charging gun is assembled and disassembled is effectively avoided.

The invention discloses an advertising board device. The advertising board device comprises a fixing frame and an advertising board, wherein the fixing frame is fixed on a wall face, and the advertising board is in fit connection with the fixing frame; the advertising board device is characterized in that an insertion groove is formed in the left end face of the fixing frame, an electric hole is formed in the right end wall of the insertion groove, a first slide groove is formed in the top wall of the insertion groove, and a second slide groove opposite to the first slide groove is formed in the bottom wall of the insertion groove. In the advertising board device, locking of the advertising board is firm, electricity connecting of the advertising board is safe and stable, the stability ofadvertising board locking is greatly improved, the assembly and disassembly efficiency of the advertising board is improved, and an electric shock accident is effectively avoided when the advertisingboard is assembled or disassembled.

The invention discloses a stable letter box. The stable letter box comprises a base arranged at the bottom of the letter box and a prompting screen used for being mounted on the base, wherein a push-fit slot is formed in the left end face of the base, an electrifying slip slot is formed in the right end wall of the push-fit slot, an electrifying hole is formed in the wall of the top of the electrifying slip slot close to the right side, a second slip slot is formed in the wall of the bottom of the electrifying slip slot, a second slip slot is formed in the wall of the bottom of the push-fit slot, and a transverse cavity extending towards the right is formed below the first slip slot in the base. The stable letter box disclosed by the invention the prompting screen is firmly locked, electricity connection of the prompting screen is safe and stable, the prompting screen is prevented from being not stable and firm enough, dismounting and maintenance are convenient, an electric shock accident is prevented, when a letter is put into the letter box, a pressure sensor senses and controls the prompting screen to prompt that the letter is contained in the letter box, a user does not need toopen the letter box for confirmation, and great convenience is provided.

The invention discloses a novel letter box capable of implementing automatic induction and prompting. The letter box comprises a letter box base which is fixedly arranged at the bottom of the letter box and an electronic prompting screen which is connected to the letter box base in a matched mode, wherein a socket is kept in the bottom surface of the letter box base; a first sliding groove is arranged in the center of the left sidewall of the socket; a second sliding groove is arranged at the lower side of the right sidewall of the socket; and an electric contact is arranged in the center of the top wall of the socket. According to the novel letter box provided by the invention, the electronic prompting screen is firmly locked and is safe and stable in electric current; a pressure inductor, when inducing letters which are putted into the letter box, transmits signals to the prompting screen, and the prompting screen prompts that the letter box has the letters therein; therefore, the novel letter box is convenient and rapid; when the novel letter box is mounted, the electronic prompting screen is locked and then undergoes electric connection, and when the novel letter box is dismounted, the electronic prompting screen accepts interruption of power supply and then is unlocked, so that the entire device (the novel letter box) is convenient and rapid to operate, and the stability of locking the electronic prompting screen is enhanced.

The invention discloses a dust removal device which is convenient for cleaning and maintenance, which comprises a machine body and a dust removal head for cooperating with the body, an insertion groove is arranged on the bottom surface of the body, and a middle part of the left side wall of the insertion groove is arranged The first locking groove, the lower part of the right side wall of the insertion groove is provided with a second sliding groove, and the middle part of the top wall of the insertion groove is provided with a current outlet. In the present invention, the dust removal head is locked firmly, and the dust removal head is connected to electricity. It is safe and stable. When installing, first lock the dust removal head and then connect the power to the dust removal head. When disassembling, first cut off the power of the dust removal head and then unlock the dust removal head. The operation of the whole device is convenient and fast. Stability, greatly reducing the input cost, easy disassembly and assembly, convenient for regular cleaning and maintenance of the dedusting head, effectively avoiding electric shock accidents when installing and disassembling the dedusting head.

The invention discloses an improved bridge device, which comprises an opening and closing groove arranged on the upper surface of a box body, and a winding and unwinding groove arranged on the right side of the box body and aligned and communicated with the opening and closing groove. An opening and closing plate is arranged in the winding and unwinding groove, and the opening and closing plate iscapable of sliding left and right. The bottom end surface of the opening and closing groove is provided with two electrical connection concave holes arranged equivalently left and right and used forthe access of an electrical contact of electrical equipment. A first sliding groove is arranged inside the box body. The right side of the box body is provided with a third sliding groove communicatedwith the first sliding groove. The top of the third sliding groove is communicated with the left side of the winding and unwinding groove and a second sliding groove is arranged between the third sliding groove and the first sliding groove. The above electrical connection device is simple in overall structure, convenient to use and operate, safe and stable in electrical connection. The occurrenceof electric shock accidents in the real life is greatly reduced, and the life safety of people is effectively guaranteed. Therefore, the device is suitable for popularization and use.

The invention discloses an intelligent sensing and prompting type letter box which comprises a letter box base fixedly arranged at the lower portion of a letter box body and a prompting screen for being matched and connected with the letter box base. A prompting screen insertion and fixation groove is formed in the bottom end face of the letter box base. First slide grooves extending outward are symmetrically formed in the left end wall and the right end wall of the prompting screen insertion and fixation groove. Second slide grooves communicated with the first slide grooves are formed in thetop end walls of the outer sides of the first slide grooves. The tops of the first slide grooves and the tops of the second slide grooves are communicated through spiral type rod penetrating grooves.The prompting screen is locked firmly; when letters are put in the letter box body, a pressure sensor senses the letters and transmits signals to the prompting screen, the prompting screen reminds a user of the letters in the letter box, and the user does not need to open the letter box to check the letters; during installation, the prompting screen is locked first and then powered on; during detachment, the prompting screen is powered off first and then unlocked; the whole device is convenient to operate, the locking stability of the prompting screen is increased, the installation and detachment efficiency of the prompting screen are greatly increased, and the electric shock accidents during installation and detachment of the prompting screen are effectively avoided.

The invention discloses an efficient advertising device. The efficient advertising device comprises a fixed shelf body which is fixed to the outer wall of a building and an advertising screen which isused for being cooperatively connected with the fixed shelf body, an inserting groove is formed in the left end face of the fixed shelf body, a power supply groove is formed in the center of the right end wall of the inserting groove, pushing grooves are symmetrically formed in the front end wall and the rear end wall of the inserting groove, first clamping grooves are symmetrically formed in thefront portion and the rear portion of the left end of the inserting groove, and second clamping grooves which are communicated with the pushing grooves are further symmetrically formed in the front end wall and the rear end wall of the inserting groove. By means of the efficient advertising device, the advertising screen is firmly locked, and is safely and stably connected with electricity; the whole efficient advertising device is convenient and fast to operate, the dismounting and mounting efficiency of the advertising screen is improved, and it is effectively prevented that electric shockaccidents occur when the advertising screen is mounted and dismounted.