32results about How to "Prevent falling dust" patented technology

The invention discloses a computer display screen packaging box. The computer display screen packaging box comprises a box body and a display screen body, wherein a box cover is hinged to the upper portion of the box body, a rubber pad is arranged on the inner bottom side of the box cover, springs are symmetrically mounted on the inner side wall of the box cover, above the rubber pad, through spring seats, the other ends of the springs are fixedly connected with the central positions of one sides of pressing blocks, the display screen body is arranged between the pressing blocks, two air bagsare arranged between the two sides of the display screen body and the inner side wall of the box body, a dustproof cover plate is arranged at the position, located in the box opening, of the interiorof the box body, buckling pieces are hinged to the outer side of the box cover, and inserting pieces are welded on the inner sides of the bottoms of the buckling pieces. According to the computer display screen packaging box, a good damping effect is achieved, and meanwhile, the fixing effect is good; the computer display screen can be effectively prevented from being damaged caused by toppling ortoo large vibration in the transportation process; and the computer display screen packaging box has a good dustproof effect and is worthy of popularization and popularization.

An explosion venting bolt system comprises a screw. A nut is fixedly arranged above the screw. A waterproof gasket is arranged below the nut and sleeves the screw. A lead nut is arranged below the waterproof gasket and arranged on the screw in a matched manner. A traction hole is formed in the lower end of the screw and is a through hole, and the axis of the traction hole and the axis of the screware in intersection and form the included angle. The lead nut is sleeved with a protection cap, the interior of the protection cap is arranged to be in a hexagon nut shape to be matched with the leadnut, a high-strength steel wire is fixedly connected to the inner bottom of the protection cap, and the other end of the high-strength steel wire is connected with the traction wire. In short, secondary damage caused by splashing objects generated during explosion of an explosion venting wall is reduced, and better explosion venting safety performance is provided; and meanwhile, machining and installing are convenient, dust invading is avoided, and a better explosion venting effect is guaranteed.

Disclosed in the invention is a cable bridge stand apparatus with the characteristic of convenient indoor angle installation. The apparatus comprises a plurality of bridge stand boxes and each folding part connected between each two adjacent bridge stand boxes. Connecting plates are arranged at the two ends of the bridge stand boxes; first connecting plates are arranged at the two ends of the folding parts; and first screws are arranged between the connecting plates and the first connecting plates in a cooperative mode. End portions are arranged at the tops of the bridge stand boxes; rotating shafts are arranged inside the end portions in a cooperative mode; and positioning screws are arranged between the end portions and the rotating shafts in a cooperative mode. Circuit repairing and maintenance slots are formed in the front end surfaces of the bridge stand boxes. According to the cable bridge stand apparatus, dust entrance can be effectively avoided; the sealing effect is good; and animals like mice can be prevented from entering the cable bridge stand apparatus effectively, thereby avoiding damages on the cable. When rotating-angle installation is carried out, angle bending can be carried out by using the folding parts; after bending, the good sealing performance still can be maintained. Moreover, the apparatus has the excellent heat radiation performance; accumulation of heat inside the apparatus can be avoided; and aging of the internal cable can be prevented.

The invention discloses a TV remote control, comprising: a remote control body, wherein: the tail end of the remote control body is provided with an accommodation cavity, and a dustproof cover and a rotating shaft are arranged in the accommodation cavity, and the bottom of the dustproof cover is fixed on the rotating shaft. The port of the dust cover is provided with a collar, and the collar is set on the body of the remote control; the body of the remote control is provided with a drive shaft to rotate, and the collar is reciprocated from one end of the body of the controller to the other end with the rotation of the shaft. Mobile drive mechanism. In the present invention, an accommodation cavity is arranged at the tail, and a rotating shaft and a dustproof cover are arranged in the accommodation cavity, and the bottom of the dustproof cover is fixed on the rotating shaft, and the collar at the port is sleeved on the remote controller body, and the rotating shaft and the sleeve The ring can rotate and move under the action of the driving mechanism, so as to use the rotation of the rotating shaft and the movement of the collar to put the dustproof jacket on the remote controller body or receive the dustproof jacket on the remote controller body into the accommodating cavity. The arrangement of this structure can effectively avoid the stability of the remote controller falling dust.

The invention provides an information transaction device based on an e-commerce platform and a method thereof, comprising a device body, a card slot, a display and an input button are arranged on the front panel of the device body, and it is characterized in that a protection device is arranged above the input button , The protection device includes a movable cover and a telescopic hydraulic cylinder. The telescopic hydraulic cylinder is fixedly installed inside the main body of the equipment through a screw assembly. The device controls the opening and closing of the movable cover through the telescopic movement of the telescopic hydraulic cylinder. The line of sight and the camera play the role of shielding the input. When the movable cover is closed, the input button is closed together with the main structure of the device to prevent dust from falling and protect the input keyboard. The protection device runs with the card slot. When the card slot reads When the corresponding card is inserted or pulled out, a signal will be sent to control the telescopic hydraulic cylinder to perform the corresponding retracting or protruding operation, so as to realize the automatic switching of the protection device state with the terminal use state, which has a good development prospect.

The invention discloses an Internet of Things function detection device for home appliances of the Internet of Things, which includes an outer box, a detection box is arranged inside the outer box, slideways are provided on the inner walls of both sides of the outer box, and the outer walls of the two sides of the detection box The lower ends are fixed with fixed rods, and the fixed rods are slidingly connected with the slideway. The upper ends of the outer walls on both sides of the detection box are connected with the slideways through elastic mechanisms. As for the heat dissipation mechanism matched with the detection box, a transmission chamber is provided in the bottom wall of the outer box, and a motor is provided in the transmission chamber. The invention can place the detection box in the protective outer box by setting the transmission mechanism, the lifting mechanism and the opening and closing mechanism, which can not only play a protective role, but also prevent the detection box from falling dust. When the detection box rises to the highest point for ventilation and ventilation, the temperature inside the detection box is reduced, and the detection box is protected to a certain extent.

The invention discloses a television cabinet capable of being folded and stored. The television cabinet comprises a bottom cabinet and a control device, wherein two fixed storage grids are symmetrically and fixedly connected to the top of the bottom cabinet; a television watching opening is formed between the two fixed storage grids; a top-layer storage grid is fixedly connected to the top of the bottom cabinet; the back of the bottom cabinet, the back of the two fixed storage grids and the back of the top-layer storage grid are all covered with back plates; the back of the two fixed storage grids is provided with two storage bins communicated with the television watching port; a movable mechanism is installed between the bottom cabinet and the top-layer storage grid. The movable mechanism comprises two guide rails which are symmetrically arranged up and down, a driving block is fixedly connected to the back of a U-shaped plate located on the lower portion, a lead screw is connected to the side wall of the driving block in a threaded and penetrating mode, and a motor is connected to one end of the lead screw in a coupling mode. The invention relates to the technical field of television cabinets. The problems that a user usually directly places a television on a television cabinet, dust accumulates on the television when the television is exposed outside for a long time, and the storage capacity of a traditional television cabinet is small are solved.

The invention belongs to the technical field of metallurgy, and particularly relates to a special surface treatment method of an aluminum-based material, in particular to a laser low-reflection and ablation-resistant surface protection method for aluminum alloy visible light wave bands. According to the aluminum alloy surface protection method based on visible light laser absorption, a functional oxidation film based on an anodized layer is prepared on the surface of aluminum alloy by means of metal surface treatment, and in the forming process of the protection film, metal with heat conduction performance and metal oxide with visible light absorption performance are sequentially deposited in holes in a two-time electrochemical deposition mode, an absorption-heat conduction heat diffusion process is formed, heat is rapidly diffused to the surrounding environment through the deposited metal, and reflection of the visible light wave bands is effectively reduced. Phase change and dust fall caused by excessive single-point heat absorption are avoided, and firing of the technical surface due to the heat effect is reduced.

The invention discloses a double-layer breathable and disinfectant cup. According to the double-layer breathable and disinfectant cup, the cup body is composed of an inner cup body and an outer cup body. The inner cup body and the outer cup body respectively have the same taper which sequentially decreases from top to bottom, are hitched closely and are provided with corresponding breathable holes. When being rotated for a certain angle to seal the breathable holes, the double-layer breathable and disinfectant cup can be used for accommodating water for brushing teeth, and an ultraviolet ray sterilizing lamp irradiating the inside of the cup is arranged at the bottom of the cup, plays a role in sanitation and can also irradiate the cup and sterilize and disinfect a toothbrush after a person brushes teeth with the cup.

The invention relates to a dust-proof LED display screen, comprising a display screen, a pulling rope, a reel and a curtain cloth. The display screen is connected with a reel through bolts, the reel is provided with a curtain cloth, both ends of the reel are provided with grooves, and the pulling rope is arranged in the groove. The invention can avoid dust on the LED display screen and keep the LED display screen clean.

The invention discloses a manual locking anti-electric shock socket. The socket comprises a shell, a locking mechanism, an electrifying mechanism and a panel, wherein the panel is fixedly arranged onthe shell. When the socket is used, a plug is inserted into a jack to open a jack baffle so as to contact a first conductor sheet to continue to press down; then a clamping piece slides into a clamping plate so that fixing pieces on two sides of the clamping piece gather towards the middle to compress the plug; when a second conductor sheet contacts with an electrifying block, a current supplies power to the first conductor sheet through an electric wire so as to be transmitted to the plug to start electrifying; then a worm drives a worm wheel to rotate by manually rotating a rotary knob so that a rotary block is driven to rotate to eject out the sliding block; and a top rod is pressed into the clamping plate so as to push the fixing sheet on one side of the clamping sheet to press the plug tightly. Therefore, inconvenience brought to production and life of people due to power failure caused by falling of the plug is prevented, a safety coefficient of electricity utilization is improved, and electricity utilization safety of children is protected.