8results about How to "Dustproof and waterproof" patented technology

The utility model relates to the technical field of motor vehicle accessories, and specifically discloses a waterproof and dustproof protection type ignition coil, which comprises an ignition coil body, a protective cover is installed on the outer ring surface of the ignition coil body, a lower end of the protective cover is provided with a matching cover, and a sealing cover is hingedly connected to the upper end of the protective cover. In the utility model, the casing, the matching cover and the protective cover form a relatively sealed space, and the ignition coil body is located in the space, which effectively plays a waterproof and dustproof effect on the sealing element of the ignition coil body, thereby avoiding damage to the sealing element of the ignition coil body caused by external water and dust. In addition, the upper side of the protective cover is provided with a sealing cover, so that the upper end of the ignition coil body can be sealed and protected by the sealing cover, thereby avoiding damage to the upper end device and bolts of the ignition coil body caused by external dust and water, and further improving the service life and stability of the ignition coil when used in harsh environments.

The utility model discloses a colored cubic LED (light-emitting diode) induction lamp, which relates to the technical field of smart home, and comprises a lamp main body, a bulb holder is arranged in the middle of the top of the lamp main body, and the top of the bulb holder is connected with an LED bulb; a cofferdam is fixed to the top of the lamp body, a lampshade is connected to the outer surface of the cofferdam, and a sealing strip is connected into the lampshade. Limiting plates are fixed to the two sides of the interior of the lampshade, limiting frames are connected to the two sides of the interior of the lamp body, and pre-tightening springs are connected between the limiting frames and the lamp body. Through the arrangement of the bulb base and the LED bulb, a traditional LED bulb is adopted as a light source, when the LED bulb is damaged, compared with replacement of a lamp panel, the operation and the principle of bulb replacement are known by more people well, and therefore a user can replace the damaged light source independently and conveniently, and the service life of the user is prolonged. The situation that the whole LED induction lamp is discarded or more funds are spent on searching for professionals for replacement is avoided; the principle is simple, and damaged light sources can be replaced conveniently.

The utility model discloses an energy storage battery shell waterproof structure which comprises a battery box, a base arranged below the battery box, a fixed cover plate arranged in the battery box, a sealing cover plate arranged above the battery box, a plurality of battery positioning frames arranged in a rectangular array in the base, and a battery cover arranged above the fixed cover plate. An electric connector is arranged on the sealing cover plate; in the installation and use process, the energy storage battery is fixedly arranged between the battery positioning frames in the base to be positioned, then the fixing cover plate is fixed to the energy storage battery to fix the energy storage battery, meanwhile, a power line of the energy storage battery is connected to the lower portion of the power connection connector, and the device is higher in stability, good in overall structure stability, convenient to disassemble and assemble and high in practicability. Processing difficulty is low, internal space utilization rate is high, and cost advantage is obvious.

The utility model discloses a stacked energy storage connector which comprises a socket assembly and a plug assembly. The socket assembly comprises a socket shell, a socket tail cover is arranged in one end of the socket shell, socket power supply pins are symmetrically arranged in the socket tail cover, and a plurality of socket signal pins are arranged in the socket tail cover and located above the socket power supply pins; the plug assembly comprises a plug shell, a plug tail cover is arranged in one end of the plug shell, plug power supply pins are symmetrically arranged in the plug tail cover and are matched with the socket power supply pins, a plurality of plug signal pins are arranged in the plug tail cover and are positioned above the plug power supply pins, and the plug signal pins are matched with the socket signal pins; the plug tail cover also plays a role in supporting, protecting and insulating the plug power supply pin and the plug signal pin, and in addition, errors or bending in the assembling and using processes can be avoided; in the plugging process, misplug can be avoided, and the sealing performance and the stability of connection are ensured.

The utility model discloses a bearing wheel with a good heat dissipation function, and belongs to the technical field of bearing wheels. The bearing wheel with the good heat dissipation function comprises a wheel body and a wheel shaft, the wheel body is installed on the wheel shaft in a rotating mode, the wheel body comprises a wheel core and a wheel face arranged on the outer side of the wheel core, at least one end of the wheel core is provided with a heat dissipation ring capable of rotating along with the wheel body, and heat dissipation blades are arranged on the outer side of the heat dissipation ring. The heat dissipation blades are distributed in a spiral radial shape, and a spiral flow guide groove is formed between every two adjacent heat dissipation blades. According to the bearing wheel, the heat dissipation ring is arranged at the end of the wheel core, heat dissipation airflow is generated through the heat dissipation blades when the bearing wheel rotates, the heat dissipation performance of the bearing wheel is improved, the working temperature of the bearing wheel can be greatly reduced, the service life of the bearing wheel is prolonged, and the working stability of the bearing wheel is improved.

The application discloses an explosion-proof fire emergency evacuation lighting lamp, and relates to the technical field of fire emergency lighting, which comprises a front lamp cover and a rear lamp cover, and an integrated inner cavity is formed between the front lamp cover and the rear lamp cover; the rear lamp cover is provided with a wiring cavity and a threading hole; a lamp cover plate is installed on the rear lamp cover and used for closing the wiring cavity; a control panel, two light-emitting assemblies and a lithium iron battery are arranged in the integrated inner cavity, and the control panel and the lithium iron battery are spaced apart through the wiring cavity; the end surface of the rear lamp cover opposite to the front lamp cover is arranged in an inclined surface, and the two light-emitting assemblies are both arranged in an inclined surface and do not extend out of the inclined surface. Through the combined design of the integrated inner cavity, the independent wiring cavity, the built-in inclined light-emitting assembly and the lithium iron battery, the fire emergency evacuation lighting lamp is simple in structure and convenient to assemble, and can better meet the use requirements of fire emergency lighting in the environment of explosive gas and dust.

The utility model discloses a safety valve structure of a storage battery. The safety valve structure comprises a mounting surface and a thread mounting slot formed in the surface of the mounting surface, the threaded connection part is fixed to the bottom face of the top piece and can be in threaded connection with the threaded insertion groove, the insertion part is fixed to the bottom of the threaded connection part, and the screwing piece is fixed to the top end of the top piece. The threaded connecting part comprises a main body A and an inner cavity formed in the main body A, and the top end of the inner cavity penetrates through the top piece and the screwing piece and leads to the outside; the developing test paper is arranged at the outer port of the inner cavity, when electrolyte steam leaks, the developing test paper and the electrolyte steam can be subjected to developing reaction in the pressure relief process, people can immediately judge that abnormal pressure relief occurs due to color change, so that the battery is checked and replaced in the first time, the safety is improved, and meanwhile, due to the designed notch, the electrolyte steam leakage can be avoided, and the service life of the battery is prolonged. Certain dustproof and waterproof capabilities can be ensured in the pressure relief process, and the normal use of the battery can be ensured.