10results about How to "Block inflow" patented technology

The utility model provides a kind of top protective device for air blower set sound shield, it includes left side protective cover, middle protective cover, right side protective cover, the outside of left side protective cover, middle protective cover, right side protective cover is respectively equipped with the outer baffle that is bent downwards, left side protective cover, middle protective cover, right side protective cover are sequentially pasted from left to right, and adjacent outer baffle is sequentially pasted, and form complete back type outer baffle, the bottom of left side protective cover is equipped with the annular groove of right side opening, the bottom of middle protective cover is equipped with the annular groove of left and right two side openings, the bottom of right side protective cover is equipped with the annular groove of left side opening, left side protective cover, middle protective cover, right side protective cover are sequentially pasted from left to right, and adjacent installation groove is sequentially pasted, and form complete back type installation groove.The protective device can avoid rainwater along the upper end gap of sound shield inward infiltration, will not cause damage to air blower set.The utility model can be widely applied to the protection of sound shield.

The utility model relates to the technical field of pipettor suction heads, in particular to a high-chemical-resistance low-adsorption suction head with an oil film, which comprises a suction head tube, an oil film layer is arranged on the inner wall of the suction head tube, a fixed joint is fixedly mounted at the top end of the suction head tube, and a guide plugging component is arranged in the suction head tube. The guide plugging assembly comprises an upper set of fixing protruding blocks and a lower set of fixing protruding blocks which are symmetrical to each other and fixedly installed on the inner wall of the suction head pipe, a plurality of guide rods which are annularly arranged at equal intervals are fixedly installed between the upper set of fixing protruding blocks and the lower set of fixing protruding blocks, and rubber pistons are slidably connected to the guide rods, located in the suction head pipe and slidably connected with the suction head pipe. And a plurality of anti-skid convex blocks which are annularly arranged at equal intervals are fixedly mounted on the outer surface of the fixed joint. The protective film has the advantages of being high in chemical resistance, not prone to adhesion and residue protection, and convenient to use.

The utility model belongs to the field of capstan relay, provide a kind of capstan relay, comprising: shell, inside configuration has accommodating cavity;First relay and second relay, are arranged in accommodating cavity, and reserved intercommunication gap between first relay and second relay;Circuit board, is located above first relay and second relay, and connecting hole is formed on circuit board.Compared with prior art, the utility model has the advantages that the series intercommunication of same function contact on two relays is realized by circuit board, effectively reduce the design of contact, avoid the phenomenon that multiple lead-out circuit is easily caused winding, even damage, simultaneously, strong magnet is ingeniously arranged in the intercommunication gap between two relays, make full use of the space of capstan relay, realize the organic unification of arc extinguishing function and compact structure, prolong the service life of relay, improve the safety and reliability of the capstan relay.

The utility model provides a pot body assembly and a cooking utensil with the pot body assembly, and the pot body assembly comprises a housing which is provided with a via hole which is communicated with the interior and the exterior of the housing; the mounting frame is arranged in the shell; the trigger structure is movably mounted on the mounting frame, the trigger structure is provided with a trigger head located at the via hole, and the trigger head can be pressed to drive the trigger structure to move; the elastic sealing cap is arranged at the via hole and covers the trigger head, and the elastic sealing cap abuts against the shell through the mounting frame. According to the technical scheme, the problem that water easily flows into the cooker body assembly in the prior art can be effectively solved.

The utility model relates to the technical field of medical accessories, in particular to a liner and an eyeshade for a burn patient, the liner comprises a liner body and a connecting part, the liner body is in an elliptical ring shape, the liner body is used for covering the periphery of an eye, the liner body comprises a left liner body and a right liner body, and the left liner body and the right liner body are connected through the connecting part. The left pad body and the right pad body are connected through the connecting part, the connecting part is used for making contact with the nose bridge, and the pad has a water absorption function; according to the pad, the pad is placed on the eyes of a burn patient lying on the back, the left pad body and the right pad body which are in the oval ring shape make contact with the peripheries of the eyes, the connecting part is attached to the nose bridge, and when seepage occurs around the eyes, the pad with the water absorption function absorbs the seepage around the eyes, so that the seepage is prevented from flowing into the eyes, and the burn patient is prevented from being injured. The risk that the eyes are infected is reduced, and the eyes of the patient can be protected.

The application discloses a cable connector, which comprises an insulating seat, a first terminal array, a second terminal array, a metal shell and a cable; the insulating seat is provided with a support platform; the first terminal array and the second terminal array each comprise at least one pair of differential signal terminals and ground terminals; the cable comprises a core wire group, and the core wire group comprises signal conductors and ground conductors; wherein a plurality of accommodating grooves are arranged between the first terminal array and the second terminal array; the signal conductors are electrically connected to the differential signal terminals on one side of the support platform; and the ground conductors are bent into one of the accommodating grooves and are electrically connected to the ground terminals on the other side of the support platform. The ground conductors are directly arranged on the lateral sides of the differential signal terminals, thereby improving the electromagnetic shielding effect between two adjacent pairs of differential signal terminals, improving the electromagnetic shielding effect of the first terminal array and the second terminal array, reducing the electromagnetic interference in the signal transmission process, and ensuring the stability of high-frequency signal transmission.

The utility model discloses an atomizer and an electronic atomizing device thereof, the atomizer comprises a liquid storage cup, an atomizing pipe and a filtering storage condensation assembly, an air outlet pipe is arranged in the liquid storage cup, the atomizing pipe is inserted in the liquid storage cup, one end of the atomizing pipe is connected with the air outlet pipe, the other end of the atomizing pipe is communicated with the outside of the liquid storage cup, and the filtering storage condensation assembly is arranged in the liquid storage cup. A liquid inlet hole is formed in the side wall of the atomizing pipe; the filtering, storing and condensing assembly is arranged between the air outlet pipe and the atomizing pipe, filtering holes are formed in the filtering, storing and condensing assembly, a liquid collecting cavity sunken towards one side of the atomizing pipe is constructed, small-particle aerosol can enter the air outlet pipe through the filtering holes, certain resistance is achieved, large-particle aerosol is prevented from flowing into the air outlet pipe, and the atomizing effect is improved. Meanwhile, the condensate is collected into the liquid collecting cavity, the aerosol backflow to the liquid storage cup is reduced, therefore, the problem that the color of atomized liquid changes due to the fact that large-particle aerosol generated by atomization returns to the liquid storage cup is avoided, and the smoking taste is improved.

This utility model relates to the field of elevator retrofitting technology in old residential communities, and discloses an elevator column corner protector, including a mounting plate, a guide section, and a corner protector plate; the mounting plate has a cross-shaped cross section with four vertical included angles, one of which is the first included angle, and the vertical included angle diagonally opposite to the first included angle is the second included angle; the guide section is disposed on the outer wall of the two sides of the first included angle, and the guide section includes multiple guide grooves evenly distributed horizontally along the outer wall, and each guide groove is disposed vertically along the outer wall; the corner protector plate includes a connecting plate with a right-angled fan-shaped cross section and an extension plate fixed perpendicularly to the two arc-shaped end faces of the fan; this utility model can vertically guide rainwater falling on the back side of the outer panel by providing multiple guide grooves on the mounting plate, thereby preventing rainwater from flowing horizontally or obliquely into the elevator shaft along the outer panel, effectively avoiding the problem of electrical equipment corrosion caused by rainwater leakage.

The embodiment of the invention provides a tunneling oxide layer passivation back contact solar cell, a preparation method thereof, a photovoltaic module and a photovoltaic system. The tunneling oxide layer passivation back contact solar cell comprises a substrate; the first tunneling oxide layer is positioned on the back surface of the substrate; the first phosphorus doped layer is positioned on one side surface, far away from the substrate, of the first tunneling oxide layer; the second tunneling oxide layers are located in a partial region of one side surface, far away from the first tunneling oxide layer, of the first phosphorus-doped layer, the second tunneling oxide layers are arranged at intervals, and a region between two adjacent second tunneling oxide layers is an electrode connection region; and the second phosphorus-doped layer is far away from the surface of one side, far away from the first phosphorus-doped layer, of the second tunneling oxide layer, and is located in the electrode connection region. The tunneling oxide layer passivation back contact solar cell provided by the embodiment of the invention has relatively high yield and relatively good contact.

The application discloses an electronic device and an electronic device kit, and belongs to the technical field of electronic devices. The electronic device comprises a frame body, a card holder top rod and a waterproof and breathable film. The frame body has an inner cavity and a mounting hole in communication. The card holder top rod is movably arranged in the mounting hole and used for pushing the card holder. The card holder top rod is internally provided with a gas guide channel. One end of the gas guide channel is in communication with the external environment, and the other end of the gas guide channel penetrates through the side wall of the card holder top rod and is in communication with the inner cavity. The waterproof and breathable film is arranged on the side wall of the card holder top rod and covers the one end of the gas guide channel in communication with the inner cavity.