48results about How to "Play the role of dustproof and waterproof" patented technology

The invention discloses a waterproof magnetic shielding outer cover for a sound box. The waterproof magnetic shielding outer cover comprises a cylindrical shell, wherein an inner liner is set on the inner side face of the cylindrical shell; a supporting device is set at the lower end of the interior of the cylindrical shell; a metal cover is set at the upper end of the cylindrical shell; through holes are set on the upper surface of the metal cover; an inner liner structure is set in the metal cover; threads are set at the upper end of the side face of the cylindrical shell and the lower end of the inner side face of the metal cover; the cylindrical shell and the metal cover are in threaded connection; a rubber ring is set at the upper end of the inner side face of the metal cover; an annular plate is set at the upper side of the outer side face of the cylindrical shell; and a sealing ring is set on the upper surface of the annular plate. The waterproof magnetic shielding outer cover for the sound box is simple in structure and good in sealing and is dismountable. The sound box can be stored. Dustproof and waterproof effects can be achieved. A magnetic shielding effect also can berealized. The sound box can be protected. The sound box is prevented from being damaged. The use is convenient.

The invention relates to the field of city intelligent traffic control equipment, and specifically relates to a multi-azimuth intelligent traffic device integrated with antitheft and vibration acquisition units. The device comprises a detection unit, an intelligent controller, an action unit, a communication unit, a door open-close state acquisition unit, an antitheft image acquisition unit, a vibration sensor, a vibration alarm unit, a humiture acquisition unit, a smog acquisition unit, and a noise acquisition unit. Through arranging the intelligent controller in the city intelligent traffic control device, automatic reset of peripheral equipment in faults is realized, faults of quite a part of peripheral equipment are automatically solved, some unnecessary field maintenance is greatly reduced, and the peripheral equipment is ensured to return to work in time, thereby reducing manpower and material resource cost of using the city intelligent traffic control device. The city intelligent traffic control device is especially suitable to be used in occasion in which field maintenance is not convenient.

The invention discloses a novel infantile jaundice inspection device. The device comprises a lower shell; an upper shell is arranged on the lower shell, and functional keys are arranged on the upper end of the upper shell; a display screen is arranged on the top of an inner cavity of the upper shell, and a shielding plate mechanism is arranged above the display screen; a charging interface is fixed on the top of the inner cavity of the upper shell, and a sealing mechanism is arranged on the right side of the charging interface; extrusion rods are fixed on the front side wall and the rear sidewall of the inner cavity of the upper shell at equal intervals; a moving mechanism is slidably clamped in cavities of the front side wall and the inner cavity of the lower shell; and clamping mechanisms are arranged on the front wall and the rear wall of the inner cavity of the lower shall at equal intervals. The novel infantile jaundice inspection device is provided with the clamping mechanisms,the moving mechanism and extrusion rods, so that the shell is convenient to mount and dismount; the shielding plate mechanism is arranged to protect the display screen; and the sealing mechanism is arranged to exert dust prevention and water prevention functions.

The invention discloses a desk for personnel training, which comprises a table top and table legs. A groove is opened on one end side wall of the table top, and a movable plate is slidably connected to the inner wall of the groove, and a second movable plate is fixed on the upper end of the movable plate. A connecting rod, the top of the first connecting rod is connected with a supporting plate, the other side wall of the desktop board is provided with a placement groove, the outer wall of the desktop board close to the placement groove is provided with a groove, and the inner wall of the groove is slidably connected with a baffle plate, The side wall of the baffle is provided with a through hole, and a rotating rod is inserted in the through hole, a groove is opened on the side perpendicular to the side wall of the desktop board where the baffle is installed, and the inner wall of the groove is slidably connected with a mounting rod. The end of the rod extends to the inside of the fixed shell, and the bottom end of the desktop board is fixed with table legs. In the present invention, through the setting of the movable board, the first connecting rod and the support board, the usable area of ​​the desktop board is increased, and the use of the desktop board is increased. It improves the comfort of the desktop and improves the performance of the desktop board.

The invention discloses a shielded cable connector. The shielded cable connector comprises a protecting tube, a connector body, a fastening screw cap and a waterproof ring, wherein the protecting tube sleeves a cable, a shielding net is arranged in the protecting tube, and the shielding net extends to the exterior of the protecting tube axially; a through hole is arranged in the middle of the connector body, a shielding spring is arranged in the through hole of the connector body, and the inner side of the shielding spring is attached to the outer sidewall of the shielding net; the fastening screw cap is connected to a first end of the connector body through a screw thread; the bottom of the waterproof ring is connected to the first end of the connector body, the waterproof ring is arranged in the fastening screw cap, and the inner sidewall of the waterproof ring is closely attached to the outer sidewall of the protecting tube. The protecting tube sleeves the cable, so that the cable is protected. Through the fastening screw cap, the inner sidewall of the waterproof ring is closely attached to the outer wall of the protecting tube, so that the dustproof and waterproof effect is played, and meanwhile, the inner side of the shielding spring in the connect body is attached to the outer sidewall of the shielding net, the electromagnetic wave generated by the shielding cable can be shielded to prevent from affecting the human body and other electrical elements.

The invention provides an installation structure of a lamp electronic component. The installation structure comprises a lamp shell, an installation plate and end covers, wherein the installation plate is used for installing the electronic component. A groove is formed in the lamp shell, the two ends of the groove are open, first insertion grooves are symmetrically formed in the two sides of the inner wall of a cavity of the groove of the lamp shell, and the installation plate is inserted into and fixed to the first insertion grooves. The end covers are arranged at the two ends of the lamp shell. The installation structure is convenient and rapid to install and detach and stable in structure, and efficiency and flexibility of installing and maintaining a lamp are improved. The invention further provides the lamp. The lamp comprises the installation structure of the lamp electronic component, a lamp plate, a lens carrier plate and a light-transmitting plate, wherein light sources are installed on the lamp plate, and lens assemblies are installed on the lens carrier plate. The lens carrier plate is fixedly connected with the lamp plate, a second insertion groove is formed in the inner wall of the lamp shell, and the lens carrier plate is inserted into the second insertion groove. A partitioning plate is arranged inside the lamp shell and divides the cavity of the groove into an electronic component containing cavity and a light source containing cavity, wherein the light-transmitting plate is arranged on a notch of the lamp shell. The lamp is convenient to install and detach and flexible and convenient to operate.

The invention relates to the field of urban intelligent traffic control equipment, and specifically relates to an urban intelligent traffic control device integrating temperature, smoke and noise detection units. The urban intelligent traffic control device comprises a detection unit, an intelligent controller, an action unit, a communication unit, a door opening-closing state acquisition unit, an anti-theft image acquisition unit, a vibration sensor and vibration alarm unit, a temperature and humidity acquisition unit, a smoke acquisition unit, and a noise acquisition unit. By means of the intelligent controller arranged in the device, automatic reset of peripheral equipment is achieved when the peripheral equipment breaks down, faults of quite a part of peripheral equipment are automatically eliminated, unnecessary on-site maintenance is greatly reduced, it is guaranteed that the peripheral equipment can return to work in time, and the labor cost and material cost of the urban intelligent traffic control device are reduced. The urban intelligent traffic control device is particularly applicable to occasions where on-site maintenance is inconvenient.

The invention discloses an assembled guide roller which comprises a spindle and roller bodies. The assembled guide roller is characterized in that the roller bodies comprise the upper-portion roller body, the middle-portion roller body and the lower-portion roller body, the upper-portion roller body and the middle-portion roller body are detachably connected, the middle-portion roller body and the lower-portion roller body are detachably connected, the upper-portion roller body, the middle-portion roller body and the lower-portion roller body are connected in series to form a whole, and the upper-portion roller body, the middle-portion roller body and the lower-portion roller body can respectively rotate around the spindle. According to the assembled guide roller, the overall structure of the roller bodies is changed, the parts which are prone to abrasion are designed into independent elements, and the assembled guide roller has the advantages of being quick to assemble, saving materials and being simple in element machining.

The invention discloses an electric leakage protection switch for a power plant. The electric leakage protection switch comprises a moving device, a supporting device and a pressing device, wherein the moving device comprises a fixed steel plate, a first fixed plate, a V-shaped folding plate and a second fixed plate; the supporting device comprises a KT plate and a transparent cover; the pressingdevice comprises a stretching spring, a pressing column and an electric leakage protection switch, wherein the fixed steel plate is fixed on the wall of the power plant, and the first fixed plate is welded to one side of the fixed steel plate; one side of the first fixed plate is rotationally connected with the V-shaped folding plate through a shaft pin; and one side of the V-shaped folding plateis rotationally connected with the second fixed plate through a shaft pin. The position of the electric leakage protection switch can be changed through the V-shaped folding plate, and the electric leakage protection switch can be moved out of a meter box when the electric leakage protection switch is damaged, so that the use flexibility is relatively high, influence to maintenance by complex wireharnesses in the meter box is avoided, unloading of the switch is also avoided, the maintenance time is saved, and convenience is brought to the maintenance.

The invention discloses a travelling trolley case with a charging function, comprising a trolley case body. A pull bar is fixedly mounted on one side of the trolley case body; support bars are weldedto the other two sides of the trolley case body; a travelling wheel is hinged to one end of each support bar; a power box is fixedly mounted at the front of the trolley case body; a charging power source is fixedly mounted in the power box; USB cable connectors are electrically connected to the output ends of the two sides of the charging power source; a cover plate is arranged at the front of thepower box; four corners of the cover plate are all in threaded connection with the outer surface of the power box in threaded manner via bolts; one end of each USB cable connector is extended to theouter surface of the cover plate. The charging power source that is DZM battery is provided herein, the USB cable connectors are provided, and therefore, a user may gain a cellphone power source for days when tripping out for days with the trolley case; the user never experiences losing the way and having no cellphone to play with due to cellphone power failure during tripping, tripping conveniences are provided for the user, and the travelling trolley case is more practical and reliable.