Abstract: The present application discloses spiral water intake valves and fire-fighting robots. The spiral water intake valve includes a valve body. A main valve core and a spiral water intake mechanism are provided in the valve body. The spiral water intake mechanism includes a mating connector and a connecting base. The main valve core includes a main valve sealing base and a main valve screw. A water intake channel is provided in the center part of an upper valve cover of the valve body, the mating connector is provided in the water intake channel, the main valve sealing base is sealedly connected to the upper valve cover, and the main valve screw is threadedly connected to the connecting base. The fire-fighting robot includes a chassis and a track. At least one spiral water intake valve is provided on the track. A valve opening mechanism is provided on the chassis.

Abstract: A dual-screen electronic apparatus is provided. The apparatus includes: a first display screen with a first physical border; a second display screen with a second physical border; and a processor, configured to control display of the first display screen and the second display screen. In response to a first mode of use, a first portion of the second physical border and a second portion of the first physical border are hidden from view; and in response to a second mode of use, the first display screen is arranged on a first surface of the dual-screen electronic apparatus, and the second display screen is arranged on a second surface of the dual-screen electronic apparatus, the first surface being opposite to the second surface.

Abstract: A dual-screen electronic apparatus is provided. The apparatus includes: a first display screen with a first physical border; a second display screen with a second physical border; and a processor, configured to control display of the first display screen and the second display screen. In response to a first mode of use, a first portion of the second physical border and a second portion of the first physical border are hidden from view; and in response to a second mode of use, the first display screen is arranged on a first surface of the dual-screen electronic apparatus, and the second display screen is arranged on a second surface of the dual-screen electronic apparatus, the first surface being opposite to the second surface.

Abstract: The present invention discloses an LED pressure-installing structure, which comprises a radiator and an LED, and further comprises a pressure device for applying pressure on the LED to make it fit closely with the radiator. The present invention uses the pressure device to apply pressure on the LED to make it fit closely with the radiator, so a good heat transfer relationship between the LED and the radiator may be maintained without using a welding means, the whole heat dissipation effect of an LED light is increased, phenomena of loosening, dropping, and burning-out of the LED due to its unreliable installation are avoided, and the service life is prolonged. The present invention can be used for the manufacturing and assembling of the LED light.