11results about How to "Avoid accidental disconnection" patented technology

The invention discloses a low-voltage circuit cable convenient and quick to connect, which relates to the technical field of low-voltage cables, and comprises a first low-voltage circuit cable body which is arranged at the left side end of an outer protection connecting end, forms circuit connection with a second low-voltage circuit cable body through the outer protection connecting end, and is used for forming a complete closed electrical circuit, under the cooperation of the magnetic connection end and the magnetic fixing end, the whole cable butt joint operation is realized, the connection process is greatly simplified, the skill requirement on operators is reduced, the mechanical stability in the connection process is ensured, the cable is prevented from being accidentally broken, the stability of internal electrical connection is also ensured, and the service life of the cable is prolonged. According to the low-voltage circuit cable connection system, the power or signal transmission is ensured not to be interfered, the viability of the whole low-voltage circuit cable connection system in a severe environment is improved, the electrical performance of cable connection is improved under the cooperation of the distance adjusting control assembly, and the potential safety hazards of heating, electric energy loss and the like caused by the increase of contact resistance are reduced.

The utility model discloses a special support for a dyeing machine, which comprises a support body, a cutting edge part and a cutter body part, the support body is provided with a clamping groove, the cutter body part is connected with the support body through a locking assembly, the locking assembly comprises two sliding strips, a wedging block and an edge strip used for supporting the sliding strips, and the sliding strips, the wedging block, the edge strip, a stud and a nut are combined to form the special support for the dyeing machine. A stable locking mechanism is provided, when the scraper is installed on the support body, the sliding strip can squeeze the scraper body under the action of the guide inclined face, and it is ensured that the scraper is firmly fixed in the support body and not prone to sliding or loosening. The connection stability between the scraper and the support body is further enhanced through the arrangement of the lock catch, the lock catch is connected with the support body through the bolt, the scraper can be supported, the locking assembly can be prevented from being accidentally disconnected, and the reliability of the whole structure is enhanced.

The invention discloses a high-voltage connector locking device, comprising a male connector and a female connector, wherein the male connector is provided with a first buckle, and the female connector comprises a first locking tongue having a first card slot matched with the first buckle, and a second card slot is also provided on the locking tongue, and the second card slot is located behind the first card slot; a second locking tongue having a second buckle matched with the second card slot, and a stopper is provided at the rear of the second locking tongue; a rear cover abutting the rear of the second locking tongue so that the second buckle is located in the middle of the first card slot and the second card slot when in a free state; a rotating push rod, and the rotating push rod comprises a prying rod that can pry up the first locking tongue to separate the first buckle of the locking tongue from the first card slot, and a locking block that can abut the stopper so that the second buckle of the second locking tongue is maintained in the second card slot. The invention realizes secondary locking, is easy to install, prevents accidental disconnection and prevents misoperation, and is a small and low-cost connector.

The utility model relates to a vehicle charging system, which comprises a non-vehicle-mounted charger, an electric vehicle, a vehicle interface and a voltage detection module, the non-vehicle-mounted charger comprises an auxiliary power supply, the electric vehicle comprises a battery pack, the vehicle interface comprises a vehicle plug and a vehicle socket, and the auxiliary power supply is used for charging the battery pack; the electric automobile further comprises a walking mechanism and a mechanical locking device, the output end of the voltage detection module is electrically connected with a voltage comparator, the output end of the voltage comparator is electrically connected with a coil of a first relay, and the mechanical locking device is connected with a normally-closed contact of the first relay. When it is detected that the vehicle plug is connected with the vehicle socket, the normally-closed contact of the first relay is disconnected, so that the mechanical locking device is powered off to attract and lock the walking mechanism, the electric vehicle cannot walk, the possibility that a charging gun is pulled by the vehicle in the charging process is reduced, and effective protection on the non-vehicle-mounted charger and the electric vehicle is achieved.

The present invention discloses a windproof and spliced ​​lightweight combined sound barrier, comprising a first barrier base and a card seat, a second barrier base is provided on both the left and right sides of the first barrier base, and the inner sides of the first barrier base and the second barrier base are connected with mounting plates, a counterweight box is provided on the outer sides of the first barrier base and the second barrier base, and a counterweight assembly is provided in the counterweight box, and reinforcing ribs are threadedly connected in the splicing groove. For the windproof and spliced ​​lightweight combined sound barrier, the staff can increase the counterweight of the counterweight box, i.e., the device, by putting materials such as sand, gravel, or maps into the storage box, thereby facilitating the prevention of accidental tipping of the device, and at the same time, the problem of high production cost caused by weight increase can be reduced to a certain extent, and the base of lightweight material can improve the portability of the device to a certain extent, and the staff can use screws to penetrate the mounting holes on the mounting plate to fix the device, thereby facilitating the prevention of tipping of the device due to its lightweight structure.

The utility model provides a totally-enclosed insulation disconnecting switch, which relates to the technical field of high-voltage power transmission and comprises a bottom frame, a knob is arranged above the bottom frame, the bottom end of the knob penetrates through the bottom frame and then is provided with a rotating shaft, and a gear is arranged in the bottom frame; according to the utility model, the rotary knob is rotated to drive the gear to rotate, and under the guiding action of the limiting block and the limiting groove, the transmission characteristics of the gear and the rack are utilized to realize the relative or opposite movement of the two groups of totally-enclosed insulating disconnecting switches, so that the two groups of totally-enclosed insulating disconnecting switches can be separated from each other to widen the cable arrangement space or approach each other to adapt to a compact installation environment; the device can quickly adjust the spacing of the disconnecting switches according to the differences of wire specifications and current loads, ensures that different types of wires can be reasonably arranged, and can resist fault magnetic interference and prevent the switches from being accidentally switched off through the fixing effect of the second spring on the knife switch and the clamping seat. And the reliability and the stability of the operation of the power system are obviously improved.

The invention relates to the technical field of change-over switches, in particular to a dual-power change-over switch and a power distribution cabinet thereof.The dual-power change-over switch comprises a switch shell, a gear shifting knob, an energy storage assembly and an electric contact blade, the switch shell is fixedly installed in the power distribution cabinet body, the gear shifting knob is arranged in the switch shell, and the energy storage assembly is in sliding connection with the gear shifting knob; a power source is arranged in the switch shell, two electric contact blades are symmetrically and rotationally installed in the switch shell, and the energy storage assembly enables the electric contact blades to make contact with the power source. The energy storage assembly stores energy through the gear shifting knob, and the circuit is quickly connected through the energy storage assembly during power supply switching, so that the situation that the switching speed is too low during manual power supply switching, and consequently, electric arcs generated in the power supply switching process affect equipment work and burn workers is avoided; the manual power switching speed of the dual-power change-over switch is improved, and the safety of switching operation is improved.

The invention provides a connector with a drawstring structure, which comprises a buckle lock, the buckle lock is of an S-shaped structure, the structure changes the pressing path of the buckle lock, and when a user mistakenly touches the buckle lock, the user only receives the resistance of the buckle lock and does not press the buckle lock to the bottom, so that the problem that the connection between the connector and equipment is released when the user mistakenly touches the buckle lock is effectively avoided, and the user experience is improved. When a user needs to release the fixed state between the connector and the equipment, the buckle lock can be pulled by pulling the pull belt, the buckle lock can only move downwards due to the fact that the pull belt is limited, and therefore the fixed state is released, and due to the adoption of the fixation releasing mode, the connection between the connector and the equipment is more stable. Compared with the prior art, the clamping buckle lock has the advantages that the clamping buckle lock is not directly contacted with the connector, the risk of misoperation is reduced, and the clamping buckle lock is limited and can only move towards one direction, so that the movement track of the clamping buckle lock is favorably controlled, the stability when the clamping buckle lock is pulled is effectively improved, and accidental movement or swinging is also avoided.

This invention relates to the field of intelligent distribution cabinet technology, specifically to an intelligent power grid distribution cabinet and its protection method with real-time monitoring and interlocking protection. The cabinet includes: a distribution cabinet body containing a circuit breaker and a disconnecting switch; an intelligent execution module installed on the circuit breaker; the disconnecting switch comprising: multiple sets of insulation groups, each set including two sets of insulating posts; a conductive arm group rotatably connected to one of the insulating posts; an elastic conductive component including two sets of elastic abutment structures and a clearance structure disposed between the two sets of elastic abutment structures; when the conductive arm group extends or retracts along its length, it can push the clearance structure aside and fit against the elastic abutment structure; and an energy storage structure with a trigger plate on a follower plate. The trigger plate cooperates with the energy storage structure to enable the energy storage structure to have a first state and a second state that are switched by being pulled, thereby driving the conductive arm group to move rapidly and shortening the time of arc generation and duration.

The utility model relates to a magnetic type radio frequency connector, which comprises a first connector and a second connector, the end part of the first connector is provided with a first magnetic part, and the end part of the second connector is provided with a second magnetic part butted with the first magnetic part; the first magnetic attraction part comprises a plurality of first magnet units which are arranged at equal intervals in the circumferential direction of the first connector, the second magnetic attraction part comprises a plurality of second magnet units which are arranged at equal intervals in the circumferential direction of the second connector, and the number of the second magnet units is the same as that of the first magnet units. According to the magnetic type radio frequency connector designed by the utility model, the plurality of magnet units are arranged at the end part of the connector according to a specific arrangement mode to form the slot, and the connector can be quickly butted and separated by utilizing the principle of attraction and repulsion between magnetic poles of the magnet units, so that the connector can be quickly disassembled without an additional tool or applying a relatively large force; the operation is greatly simplified, accidental disconnection caused by vibration and other factors can be effectively prevented, and meanwhile the problem of abrasion does not need to be worried about repeated disassembly and assembly.

The utility model discloses a wiring loosening prevention structure and a battery. The wiring loosening prevention structure comprises a mounting part, a loosening prevention part and an elastic piece, the mounting part is used for being mounted on a main body structure with a wiring port; the anti-loosening part is movably mounted on the mounting part and is provided with an anti-loosening position and a loosening position in a moving stroke, when the anti-loosening part is located at the anti-loosening position, the anti-loosening part is located on a moving path where the connecting plug is separated from the wiring port so as to limit separation of the connecting plug inserted into the wiring port, and when the anti-loosening part is located at the loosening position, the anti-loosening part is located on a moving path where the connecting plug is separated from the wiring port. The anti-loosening part staggers the moving path of the connecting plug separated from the wiring port; the elastic piece is connected with the mounting part and the anti-loosening part and used for driving the anti-loosening part to reset to the anti-loosening position from the loosening position. According to the scheme, the connecting plug can be pulled out only by pulling the anti-loosening part, and after the anti-loosening part is loosened, the anti-loosening part can be automatically reset to the position for limiting the connecting plug, so that the operation of connecting a cable is relatively convenient when the battery is mounted and debugged or maintained and replaced.