30results about How to "Prevent accidental pulling" patented technology

The invention relates to the technical field of game auxiliary equipment and discloses an intelligently-manufactured plug capable of preventing mis-pulling and current overload. The plug comprises a socket, wherein contacts are slidably connected to the left end and the right end of the socket, gears are rotatably connected to the ends, close to the middle of the socket, of the contacts on the left side and the right side of the socket, and winding sets are fixedly installed in the centers of the gears; push blocks are slidably connected to the ends, away from the middle of the socket, of contacts on the left side and the right side of the socket, a plug shell is movably connected into the socket, contacts are fixedly installed at the top end of the plug shell, a toothed bar is slidably connected to the middle of the top end of the plug shell, and a push rod is fixedly installed at the bottom end of the toothed bar. According to the intelligently-manufactured plug capable of preventing mistaken pulling and current overload, power supply disconnection caused by mistaken pulling after equipment is connected with a power supply can be prevented, practicability of the equipment and the use experience of people are improved, and when an overload phenomenon occurs in the use process of the equipment, a circuit is automatically disconnected to prevent potential safety hazards caused by overload operation of the equipment.

The utility model discloses a power safety socket capable of preventing wrong pulling, and relates to the technical field of power safety. The power safety socket comprises a socket, and jacks are formed at the two sides of the socket; a first spring is fixedly connected to the middle of the socket, and a movable rod movably connected with the middle of the socket is fixedly connected to the top of the first spring; a magnetic block is fixedly connected to the top of the movable rod, and a fixed block is fixedly connected to the inner bottom wall of the socket; and limiting blocks distributedevenly are fixedly connected to the inner bottom wall of the fixed block. According to the socket, an electro-magnetic device cooperates with the movable rod for use; when a plug is inserted into thesocket, the fixed block is inserted into the connecting block; after the socket is powered on, the electro-magnetic device is powered on and generates the same magnetism as the magnetic block, so thatthe movable rod moves downwards, the movable rod drives the clamping block to extend out of the outer side of the fixed block and is clamped with the clamping groove; therefore, the plug and the socket are relatively fixedly connected, thereby achieving the effect of preventing mistaken pulling, effectively preventing the plug from being pulled mistakenly, and guaranteeing the normal use of an instrument.

The invention discloses a timing initiation device and method. The device comprises a shell; the shell is provided with a key, a display screen, a mechanical fuse and an electric detonator socket connected with an electric detonator; a microcontroller electrically connected with the key and the display screen and an initiation circuit electrically connected with the microcontroller are mounted inthe shell; a common end of a single-pole double-throw switch is electrically connected with the electric detonator socket, a normally closed end is grounded, and a normally open end is electrically connected with the initiation circuit; a poking piece of the single-pole double-throw switch is defaulted to communicate with the common end and the normally closed end; under the condition of relievingthe mechanical fuse, the poking piece communicates with the common end and the normally open end; and a battery supplies electricity to the device through a power supply management module. The timinginitiation device is small in size, low in weight, simple in operation, high in automation degree and convenient to carry; users can autonomously set the timing time; and the electric detonator is initiated to realize initiation after timing.

The invention provides an automatic device for removing bristles of goatskin, which relates to the technical field of fur processing. The goatskin bristle automatic pulling device includes a casing, a transmission device, a first driving motor, a tensioning mechanism, a needle pulling mechanism, a collection mechanism, a rotating shaft, a bracket, a fifth driving motor, and a bracket fixedly connected to the bottom of the casing. , there is a transmission device inside the casing near the bottom end, and a rotating shaft near the bottom end of the casing passes through and passes through the transmission device installed in the casing. A first driving motor is connected, a tensioning mechanism is arranged above the transmission device, a needle pulling mechanism is arranged near the top of the casing, the needle pulling mechanism is fixedly connected with the casing, and a collection mechanism is arranged above the transmission device on the right side of the casing to collect The mechanism is fixedly connected with the inner wall of the casing, which solves the problem of low extraction efficiency of bristles on the fur during goatskin processing.

The invention relates to the technical field of switch equipment, and discloses a stably fixed switch socket capable of preventing mistaken unplugging, which comprises a shell, a jack is fixedly mounted in the shell, a movable rod is slidably mounted on the inner wall of the jack, and a contact is fixedly mounted at one end, away from the jack, of the movable rod. A movable plate is slidably connected to the top end of the interior of the inserting hole, a connecting plate is fixedly installed at the top end of the movable plate, a driving rod is rotatably connected to the front end of the connecting plate, and a sliding block is rotatably connected to the end, away from the connecting plate, of the driving rod. According to the invention, the data line is fixed after the data line is plugged into the jacks, the phenomenon that normal use of equipment is affected by poor contact in the use process is prevented, the data line is fixed when oblique external force occurs at the interface of the data line, and normal use of people is prevented from being influenced by mistaken unplugging of the data line.

The invention relates to the field of a medical instrument, and specifically relates to a B-type ultrasonography probe socket. The B-type ultrasonography probe socket mainly comprises a cable, a socket circuit assembly and a probe housing. The probe housing comprises an upper casing and a base plate, the upper casing is provided with an indicating lamp, the bottom of the upper casing is in close fit with the base plate, and the base plate is provided with a first cable port; the socket circuit assembly is arranged in the probe housing; and the first end of the cable is connected with a B-type ultrasonography probe, and the second end of the cable passes through the first cable port to be connected with a circuit board in the socket circuit assembly. According to the invention, the B-type ultrasonography probe socket is arranged by use of a mode of combining the upper casing and the base plate, such that a long-strip-shaped slit in the outer surface of the housing can be prevented, the EMC protection grade and waterproof grade of the product are greatly improved, the upper casing is simple in structure and facilitates arrangement of the indicating lamp, whether the probe works and whether the probe is at a frozen state or a work state can be clearly determined from appearance through the indicating lamp, and the wrong plugging of the probe is prevented during replacement of the probe.

The invention relates to a pluggable distributed control system (DCS) module, which comprises a module shell of which one face is open and a plurality of module plugging sheets which are provided with signal channel information, wherein a plurality of sliding chutes on which the module plugging sheets slide are formed along an opening in the module shell, and are longitudinally arranged at intervals along the opening; the inner ends of the module plugging sheets are provided with electric connecting plugs; the inner side face, which is opposite to the opening, of the module shell is provided with an inner socket which is matched with the electric connecting plugs; the outer side face of the module shell is provided with an outer socket for external electric connection; and lock catches which are locked with one another after the module plugging sheets are inserted appropriately are arranged between the module shell and the module plugging sheets. The pluggable DCS module has the advantages that: status indication of single channel signals, fault isolation, online addition and deletion and online replacement are supported, and engineering implementation, installation and maintenance are convenient.

The invention provides a mist generator. A storage device and a suction nozzle form an enclosed cavity for accommodating a mist generation base, the position of the mist generation base can be effectively fixed, and the possibility of dropping of the mist generation base or tobacco residues is reduced in the smoking process; moreover, when a user directly pulls out an extraction part from a main body and the storage device and the suction nozzle suffer from stress in the axial direction, the suction nozzle can expand outwards in the radial direction, and the suction nozzle can be separated from the storage device; before the extraction part is separated from the storage device, the main body can limit the outward expansion of the end, adjacent to the main body, of the suction nozzle in theradial direction, thus the suction nozzle cannot expand outwards in the radial direction before the separation of the extraction part and the main body, the storage device and the suction nozzle cannot be separated, the situation is avoided that a user pulls out the mist generation base directly by mistake, and the cleanliness of the cavity is ensured.

The invention relates to an anti-falling device, in particular to a device combining advertisements and an elevator anti-falling prompt. The device comprises a lift car, guide rails, stopping slidingblocks, stop blocks, centrifugal clutches, safety pull ropes, a safety box and a display system, wherein sliding grooves which are fixedly connected with the lift car are symmetrically arranged on thetop face of the lift car, the stopping sliding blocks are arranged in the sliding grooves and are in sliding connection with the sliding grooves, the driving ends of the centrifugal clutches are fixedly connected with rolling guide shoe shafts of the lift car, the driven ends of the centrifugal clutches are connected with a transmission shaft, a pull ring is arranged in the safety box, the display system is arranged on the inner wall of the lift car, an emergency prompt video is planted in the display system, and when a selector switch is triggered, the display system is switched to play theemergency prompt video, the stop blocks are arranged on the well wall, and buffer springs are arranged on the stop blocks. According to the device, emergency braking of passengers due to misoperationcan be prevented, an emergency prompt video can be played when the lift car falls at the overspeed, the passengers are reminded to carry out emergency braking at the first time, and the safety coefficient of the lift car is improved.