30results about How to "Prevent fly-in" patented technology

The wind-motor protective cover comprises cover body, sky light cover at the top of the cover body, hoisting hole and forced air duct. The outer surface of the cover top has a sanded anti-skid layer. The cover body is big on left and small on right, high on left and low on right. The forced air duct appearance is of stream-line design and its port is fitted with shutter which can effectively prevent foreign matter and rain water from getting-in to damage the cover body whose service life can be prolonged thereof. The sky light is fitted with cover with hinge, pin and handle to make it firm and easy to be opened. The hoisting hole is fitted with pressing ring and the sponge at the hoisting-hole part is pasted firmly, the outer surface of the cover is conducted anti-skid treatment, so that the safety of repair and maintenance is further raised.

The invention belongs to the field of citrus planting, and particularly relates to a citrus orchard conducive pest control planting method. Guava fruiters are planted in a citrus orchard to increase the population quantity of phytoseiid mites in the citrus orchard, an independent environment is formed, citruses are planted, the periphery of each citrus tree is enclosed by the guava fruiters to form double barriers in a checkered manner, petroleum oils are sprayed in a matched manner, and pest control is fundamentally performed in the citrus planting process. According to the citrus orchard conducive pest control planting method, based on the capability of naturally breeding the phytoseiid mites by the planted guava fruiters, the guava fruiters and the citrus trees are planted in the checkered manner, the citruses are planted after the guava fruiters form crowns, and the petroleum oils are sprayed to control citrus tristeza viruses. The pest control function of natural enemies is a direct effective means for killing sole insect-borne citrus psyllas of citrus tristeza virus transmission pathogens in citrus planting.

The invention discloses an outdoor electric power equipment box which comprises a box. A door plate is movably mounted on the left side of the front surface of the box via hinges, a handle is fixedlymounted below the front surface of the door plate, a base is fixedly connected with the bottom of the box, water storage cotton is fixedly mounted at the bottom of an inner cavity of the base, and heat conduction pipes are equidistantly fixedly connected with two sides of the top of the water storage cotton. The outdoor electric power equipment box has the advantages that the box, the door plate,top covers, the base, a top shell, a water storage box, hollow plates, the water storage cotton, the heat conduction pipes, heat conduction cotton, a mercury box, water baffles, springs and wood plates are used with one another when the outdoor electric power equipment box is used, electric power facilities inside the outdoor electric power equipment box can be effectively cooled by the outdoor electric power equipment box when the internal temperature of the outdoor electric power equipment box is excessively high due to excessively hot weather, accordingly, the electric power facilities inside the outdoor electric power equipment box can be prevented from being damaged by excessively high temperatures, normal operation of the electric power facilities can be guaranteed, and the problem of serious trouble for staffs can be solved by the aid of the outdoor electric power equipment box.

The invention provides a device for preventing entrance of mosquitoes, and solves the problems that the mosquitoes follow light to enter a room, and dust or rainwater is prevented from being brought by wind to enter the room in the prior art. An air inlet and air outlet of a ventilating duct of the device are nonlinearly communicated. The device for preventing the entrance of the mosquitoes has the advantages that the structural design is ingenious, and the practicability is great.

The invention discloses an up-down-retractable gauze window device for a window and an operation method thereof. The up-down-retractable gauze window device comprises a gauze window body (8) mounted in a window top wall (22) and can extend and retract in the window top wall (22). Thus, when the gauze window body (8) extends down to a window bottom wall (21), the window can be shielded, and when the gauze window body (8) retracts up into the window top wall (22), the window can be opened. By using the up-down-retractable gauze window device, the state of the gauze window body can be adjusted according to the requirements of a user; when the gauze window body needs to be used for shielding the window, the gauze window body can extend out so that mosquitoes can be prevented from flying into the window; and when the gauze window body does not need to be used for shielding the window, the gauze window body can retract up into the window top wall (22), so that the gauze window body can be concealed and avoid being insolated by sunlight for a long time, and the service life of the gauze window body can be prolonged.

The invention discloses a high-speed motor bearing sealing device. The device comprises a rotating shaft, an end cover, a sealing cover, a shaft sleeve and a bearing. One side is fixed with the end cover, the other side of the sealing cover is provided with a circle of rectangular grooves, one side of the sleeve is provided with a circle of rectangular grooves along the circumference of the sleeve, the rectangular grooves of the sealing cover and the rectangular grooves of the shaft sleeve mesh with each other to form a labyrinth seal structure, Wherein, the labyrinth sealing structure is located on the side of the bearing, and the shaft sleeve is provided with a plurality of notches facing the oil return groove of the bearing. The device can prevent the oil mist in the motor bearing chamber from entering the motor inner cavity to pollute the insulation of the stator and rotor windings, protect the motor windings, and greatly prolong the service life of the complete motor.

Disclosed are an up-down-retractable concealing gauze window device for a window and an operation method thereof. The up-down-retractable concealing gauze window device comprises a gauze window body (8) mounted in a window top wall (22) and can extend and retract in the window top wall (22). Thus, when the gauze window body (8) extends down to a window bottom wall (21), the window can be shielded, and when the gauze window body (8) retracts up into the window top wall (22), the window can be opened. By using the up-down-retractable concealing gauze window device, the state of the gauze window body can be adjusted according to the requirements of a user; when the gauze window body needs to be used for shielding the window, the gauze window body can extend out so that mosquitoes can be prevented from flying into the window; and when the gauze window body does not need to be used for shielding the window, the gauze window body can retract up into the window top wall, so that the gauze window body can be concealed and avoid being insolated by sunlight for a long time, and the service life of the gauze window body can be prolonged.

The invention relates to the field of insect catching, in particular to a waterproof table suitable for an insect catching machine. The present invention is achieved through the following technical solutions: a waterproof table suitable for an insect trap, comprising a workbench and a cabinet body located above the workbench, the workbench is provided with an insect trap for catching flying insects, A waterproof wall that prevents rainwater from flowing into the gap between the insect-catching board and the workbench is provided around the insect-catching board. Guide the rainwater to the arc-shaped water-guiding area on the outside of the insect-catching plate, the arc-shaped water-guiding area is circular, and the direction of the arc is close to the insect-catching plate in the horizontal direction. The purpose of the present invention is to provide a waterproof countertop suitable for insect traps, which can attract flying insects through insect trap lamps, has good insecticidal effect, and has good water resistance to prevent rainwater from entering the inside of the cabinet.

Disclosed are a liftable concealed gauze window device for a window and an operation method thereof. The liftable concealed gauze window device comprises a gauze window body (8) mounted in a window top wall (22) and capable of conducting extending and retracting in the window top wall (22), thus, when the gauze window body (8) extends downward to a window bottom wall (21), the window can be shielded, and when the gauze window body (8) retracts upward into the window top wall (22), the window can be opened. By using the device, the state of the gauze window body can be adjusted according to the requirements of users; when needed to shield the window, the gauze window body can extend out, so that mosquitoes are prevented from flying into the window; and when not needed to shield the window, the gauze window body can retract upward into the window top wall, accordingly the gauze window body is concealed, and sunlight exposure for a long time can be avoided, so that the service life is prolonged.

The wind-motor protective cover comprises cover body, sky light cover at the top of the cover body, hoisting hole and forced air duct. The outer surface of the cover top has a sanded anti-skid layer. The cover body is big on left and small on right, high on left and low on right. The forced air duct appearance is of stream-line design and its port is fitted with shutter which can effectively prevent foreign matter and rain water from getting-in to damage the cover body whose service life can be prolonged thereof. The sky light is fitted with cover with hinge, pin and handle to make it firm and easy to be opened. The hoisting hole is fitted with pressing ring and the sponge at the hoisting-hole part is pasted firmly, the outer surface of the cover is conducted anti-skid treatment, so that the safety of repair and maintenance is further raised.

The invention relates to the technical field of tracheal cannulas, in particular to a tracheal cannula with side holes. The trachea cannula with the side holes comprises a trachea cannula body, a protection mechanism is installed at one end of the trachea cannula body and used for preventing splashing and protecting a trachea, and the protection mechanism comprises a protection shell, two first clamping hooks, two first clamping blocks, a circular ring fixing body and a circular blocking piece. The two first clamping hooks are fixed to the upper portion and the lower portion of one end of the trachea cannula body respectively, the two first clamping blocks are fixed to the upper portion and the lower portion of the protective shell respectively, the first clamping hooks are connected with the first clamping blocks in a clamped mode, and the circular ring fixing body is rotationally connected to one end of the protective shell. According to the trachea cannula with the side holes, through the structural design of the protection mechanism, splashing protection can be effectively conducted, it is avoided that sputum in a lung forms a large amount of aerosol to be distributed in surrounding air along with breathing and cough of a patient, meanwhile, foreign matter can be effectively prevented from falling or flying into the trachea, and a tracheal disease transmission risk is reduced.