45results about How to "Effective sealing protection" patented technology

The invention discloses a marine detection device convenient for sampling. A fixed collecting plate is welded to the inner side of a mounting pipe, an ascending pipe penetrates through the top end of the fixed collecting plate, an extraction block is placed on the inner side of the ascending pipe, an extraction electric push rod is connected to the top end of the extraction block, a connecting rope is slidably clamped to one end of the inner side of a storage cylinder, and a buoy is connected to one end of the connecting rope. The other end of the connecting rope is connected with a U-shaped clamping plate, and a sealing limiting block is clamped to the inner side of the sliding opening. Sea water is discharged into the storage cylinder through the water outlet pipe, the needle cylinder principle is utilized, the sea water stably enters the storage cylinder, meanwhile, the injection height of the sea water is limited, the situation that the sea water overflows due to the fact that the sea water is injected from the top end is avoided, the service life of the sea water storage device is prolonged, and the service life of the sea water storage device is prolonged. The water inlet is limited through the limiting spring and the sealing limiting block, seawater is prevented from spilling out when the storage barrel moves, and therefore the sealing effect of the storage barrel is guaranteed, internal parts are protected, and the parts are prevented from being soaked in the seawater.

The invention discloses a wireless communication module box. The wireless communication module box comprises a box body and a box door; one end of the box body is opened; the box door is arranged at the opening end of the box body; a first fixing base used for installing a wireless communication module is arranged in the box body; the box body is provided with a sealing baffle, which extends towards outside, at the edge of the opening end; the first side of the box door is rotatably connected with the corresponding side of the box body; and a sealing rubber gasket matched with the sealing baffle is arranged at the inner side of the box door corresponding to the sealing baffle. According to the wireless communication module box disclosed by the invention, the wireless communication module is installed in the box body; therefore, the wireless communication module can be protected; the anti-gel effect, the dustproof effect, the sun protection effect, the waterproof effect and the like can be realized; furthermore, after the box door is closed, the sealing rubber gasket can be tightly pressed with the sealing baffle in a matched manner; a ring of sealing structure is formed around the edge of the opening end of the box body; therefore, the effective sealing protective effect can be realized; and the protective effect is good.

The invention discloses an integrally formed electromagneto chuck which is applied to injection molding machine quick-change mold systems, grinding machines, CNC machining and other machining. The integrally formed electromagneto chuck comprises a magnetic chuck body, a temperature sensor, a magnetic flux sensor, a proximity sensor, a sensor integrated base, sensor connecting lines, a magnetic chuck power input socket, a mounting groove, a field core, permanent-magnet steel, reversible magnet steel, a magnet exciting coil, a magnetic conductive block and the like. The magnetic face of the magnetic chuck body is integrally formed, the leakproofness is good, water is prevented from entering the magnetic chuck body, the electric leakage phenomenon of the magnet exciting coil in the magnetic chuck body is prevented, compared with common electromagneto disks, the strength of the magnetic face is greatly increased, the service life of the magnetic chuck body is prolonged, various working states of the magnetic chuck body are sensed by arranging the multiple sensors, molds can be rapidly clamped and rapidly discharged through the electromagneto chuck, the magnetic conductive efficiency is high, magnet is high, and magnetic attractive force is high and reaches 15-19 kilograms per square centimeter.

The invention discloses a hook structure capable of effectively utilizing resource. The hook structure comprises a toilet partition; the toilet partition is provided with a groove body and a door plate; the groove body is internally provided with a hook assembly, a sealing assembly and a driving assembly; the hook assembly comprises a fixed block, a spring No. 1, a sliding rod and a hook; the sealing assembly comprises an outer shell, a sealing plate, a piece of magnet No. 3, a piece of magnet No. 4 and a limiting block; the driving assembly comprises a connecting plate, a spring No. 2, a connecting rod No. 1, a connecting rod No 2, a rack, a gear, a rotating shaft and a pull rope. According to the hook structure, the hook is arranged in the sealing assembly, and a structure for enabling the hook to automatically stretch out and retract is designed cooperatively, so that the hook structure is not only convenient to use, but is also capable of effectively protecting the hook in a sealing way so as to avoid the hook from being contaminated; therefore, the hook structure is convenient for normal use of the public, and the resource is effectively utilized.

The invention relates to the technical field of assembly type, and discloses a waterproof and drainage structure of an assembled toilet. The waterproof and drainage structure of the assembled toilet comprises a ground; a boss is fixedly connected to the upper surface of the ground; sealing grooves are formed in the two sides of the upper surface of the boss; a fixing groove is formed in the centerof the upper surface of the boss; wallboards are connected to the upper surface of the boss in a clamped mode; and a fixing block is fixedly connected to the back surface of the wallboard. Accordingto the waterproof and drainage structure for the assembled toilet, through the arrangement of structures such as the ground, the boss, the fixing grooves, the wallboards, the fixing block, leakage-proof resin pads and the fixing block, sealing blocks are clamped in the sealing grooves, so that effective sealing protection can be conducted on the connecting positions of the bottoms of the wallboards, and mounting blocks on the adjacent wallboards are fixed to each other by rotating a bolt component; and therefore, the leakage-proof resin pads can be attached to the fixing grooves in a sealed mode, the vertical seam of the wallboards can be effectively sealed, the overall waterproof effect of the device is improved, and the practicability of the device is enhanced.

The invention discloses a base for an oil-immersed fuse, which comprises an insulation cylinder body, a head conducting ring, a middle conducting ring and a mounting pedestal. The insulation cylinder body comprises an inner layer insulation cylinder and an outer layer insulation cylinder, wherein the inner layer insulation cylinder comprises an interphase insulation cylinder and a mounting insulation cylinder that are defined and wound by epoxy glass fibers. Seal rings are arranged between the outer surface of the rear part of the head conducting ring and the inner surface of the interphase insulation cylinder, between the outer surface of the front part of the middle conducting ring and the inner surface of the interphase insulation cylinder, between the outer surface of the rear part of the middle conducting ring and the inner surface of the mounting insulation cylinder, and between the outer surface of the mounting insulation cylinder and the inner surface of the mounting pedestal respectively; sealants are arranged between the outer surface of the head conducting ring and a front port of the interphase insulation cylinder, between the outer surface of the middle conducting ring and a rear port of the interphase insulation cylinder, between the outer surface of the middle conducting ring and a front port of the mounting insulation cylinder, and between the outer surface of the mounting insulation cylinder and a front port of the mounting pedestal respectively; and the outer layer insulation cylinder is in an integral structure defined and wound by the epoxy glass fibers.

The invention discloses an anti-pulling type pipe pile and a construction process thereof, and belongs to the technical field of concrete pipe piles. The anti-pulling type pipe pile comprises a pipe pile body, connecting end plates and a high-pressure grouting device, wherein the pipe pile body comprises a pile main body manufactured by adopting a pre-tensioning method pre-stress process and a centrifugal forming method, and a pile main body inner cavity defined by the pile main body; a steel reinforcement cage woven by steel bars is arranged in the pile main body inner cavity; a first grouting pipe and a second grouting pipe are embedded in the two opposite side end surfaces in the pile main body correspondingly and penetrate through the whole pile main body; a plurality of grouting holes are formed in the outer wall of the pipe pile body and communicate with the first grouting pipe and the second grouting pipe; the connecting end plates are arranged at the joints of an upper pipe pile and a lower pipe pile correspondingly and are of mortise and tenon structures; the high-pressure grouting device comprises a high-pressure grouting machine and a high-pressure grouting pipe; the high-pressure grouting pipe is arranged on the high-pressure grouting machine; and sealing devices are arranged at the two ends of a grout outlet of the high-pressure grouting pipe. According to the anti-pulling type pipe pile and the construction process thereof, local grouting of key positions can be realized, and the anti-pulling bearing capacity of the pipe pile can be improved.

The invention relates to an integrated detection structure of a vortex flowmeter. A temperature detector is fixed to the bottom of a flow detector, the flow detector and a temperature connection line connected with the temperature detector are encapsulated in a probe cavity through filler, a probe fixing element is fixed to the wall of a shell of the vortex flowmeter, the lower end of the probe sequentially penetrates through a hole of the probe fixing element, the probe hole is formed in a pipeline of the shell of the vortex flowmeter, a round flange plate at the upper probe is fixedly connected with the probe fixing element, a sound making body is fixed in the shell of the vortex flowmeter, an air outlet of the sound making body is communicated with a channel hole of the shell of the vortex flowmeter, and an S-shaped tube is fixed to the channel hole of the shell of the vortex flowmeter. The integrated detection structure has the advantages that simultaneous measuring of temperature, pressure and flow points is achieved; meanwhile, the sound making body and the probe are effectively protected in a sealed mode by filling epoxy resin or inorganic glue, the functions of isolation, moisture resistance and connection line interference prevention are achieved, and normal stable operation of a sensor is further guaranteed.

The invention discloses a flood-proof, hail-proof and dustproof fully-closed inflatable automobile cover. The flood-proof, hail-proof and dustproof fully-closed inflatable automobile cover comprises abase plate; surrounding cloth is fixedly connected to the periphery of the top of the base plate; top cloth is arranged at the top of the surrounding cloth; one end of the top cloth is fixedly connected with the top of one end of the surrounding cloth, and side cloth is fixedly connected to the bottoms of the two sides of the top cloth; a first waterproof zipper is arranged among the the three edges, namely, the bottoms of the two pieces of side cloth, the other end of the top cloth and the top of the surrounding cloth; and a second waterproof zipper is vertically arranged in the middle of the end, away from the end fixedly connected with the top cloth, of the surrounding cloth. By inflating a columnar inflatable bag and a strip-shaped inflatable bag separately, the columnar inflatable bag and the strip-shaped inflatable bag are expanded to integrally protect a vehicle, so that the vehicle is effectively protected from being smashed, water is prevented from entering the vehicle, the protection effect on the vehicle is improved, and the practicability and safety of the vehicle cover are enhanced.

The invention discloses a computer information network converter for effectively improving the waterproof and dustproof effects of interface positions and prolonging the service life of a product. According to the technical scheme, the computer information network converter comprises a converter body, wherein a closed hollow cavity is arranged at the front end of the converter body; a plurality ofinterfaces are arranged in the hollow cavity; a cover plate is arranged at the front end of the hollow cavity; a plurality of through grooves are formed in the cover plate; a set of sealing device isarranged at the position, corresponding to each through groove, in the hollow cavity; and each set of sealing device comprises movable plates which are arranged in the hollow cavity and can synchronously move up and down; a rotating shaft is arranged at one side of each through groove and penetrates through two movable plates separately; the rotating shafts and the two movable plates are in threaded connection and the threaded turning directions are opposite; due to rotation of the rotating shafts, two movable plates can be driven to synchronously move to each other or far away from each other through threaded connection; L-shaped baffle plates capable of moving up and down are arranged between the two movable plates; a sealed structure is formed by the two L-shaped baffle plates and thecover plate; and a holddown spring is connected between each L-shaped baffle plate and the corresponding movable plate. The computer information network converter is ingenious in structure and original in conception.

The invention relates to the technical field of electronic tags, and discloses an electronic tag capable of being prevented from being scraped by sharp objects, which comprises a shell, a protection mechanism is fixedly connected to the middle of an inner cavity of the shell, damping mechanisms are movably connected to the left and right sides of the inner cavity of the shell, and an adjusting mechanism is movably connected to the rear side of the damping mechanism of the inner cavity of the shell. According to the electronic tag capable of being prevented from being scraped by the sharp objects, the protection plate is stably closed through cooperation of the rotating handle and the abutting column, the electronic tag can be sealed and protected, the tag plate can be fully buffered when bearing force in multiple directions through cooperation of the buffer spring and the telescopic column, and when the electromagnetic bases repel adjacent magnetic blocks, the abutting plate can be driven to limit the tag plate, and the protection plate is turned over, so that the collision protection performance of the electronic tag is effectively improved, the use stability of equipment is improved, and the electronic tag can be effectively prevented from being scraped by sharp objects.

The invention discloses a utility tunnel used for a power groove of a solar power generation pavement and a use method thereof. The utility tunnel comprises a utility tunnel body, wherein a transverseseparation plate is arranged in the utility tunnel body along the walking direction of the utility tunnel body; the utility tunnel body is divided into an upper space and a lower space through the transverse separation plate; a utility tunnel wire inlet hole is formed in the positions, located above the transverse separation plate, of the side wall of the utility tunnel body; positive and negative MC4 plugs and a photovoltaic cable connected with the positive and negative MC4 plugs pass through the utility tunnel wire inlet hole; a utility tunnel overhaul hole is formed in the utility tunnelbody; a utility tunnel sealing cover for sealing the utility tunnel body is arranged in the position of the utility tunnel overhaul hole; the utility tunnel body is arranged in the power groove of thesolar power generation pavement; and the utility tunnel wire inlet hole on the utility tunnel side wall is positioned in the middle position of each photovoltaic assembly board. The utility tunnel used for the power groove of the solar power generation pavement and the use method of the utility tunnel have the advantage that the effective waterproof, insulation, isolation, fixation and sealing protection of the positive and negative MC4 plugs in the power groove of the solar power generation pavement, positive and negative MC4 plug connecting wires and positive and negative main wires of matrix group string photovoltaic cable of the photovoltaic assembly board can be realized.

The invention discloses a protecting device used for a pipe opening and belongs to the technical field of cooler parts. The invention aims at solving the technical problems that the sealing and protecting effects of water inlet and outlet pipes in the prior art are poor, and product inner cleanliness cannot be ensured. The invention adopts the technical scheme that the protecting device comprisesa dust cover, wherein the bottom end of the dust cover is provided with a plurality of fall-proof sealing ribs surrounding the inner wall of the dust cover, and a ventilation hole is formed in the central part of the top end surface of the dust cover. The device has great sealing and protecting effects and can ensure product inner cleanliness.

The invention discloses a cartridge valve for hydraulic oil cylinder testing. The cartridge valve comprises a vertically distributed cartridge valve body and two positioning-mounting seats symmetrically installed in the middle of the cartridge valve body, wherein two sealing-mounting seats are symmetrically distributed the upper ends and the lower ends of the positioning-mounting seats, and sealing shells are fixed to the outer ends of the sealing-mounting seats; the middles of the positioning-mounting seats are respectively provided with elastic parts and sliding clamp-connecting parts from inside to outside. By adopting the scientific and reasonable structural design, ingenious improvement can be performed based on a traditional cartridge valve structure, the cartridge valve is effectively sealed and protected before and after use of the cartridge valve, blockage caused by foreign matter is avoided, the service life of the cartridge valve is prolonged, and the cartridge valve has a good practical and promotional value.

The invention discloses an environment-friendly suspension structure which comprises a toilet partition plate, a hook assembly storage structure, a driving structure and a switch assembly. A groove isformed in the toilet partition plate, a door plate is arranged on the toilet partition plate, and hook assemblies are arranged in the groove and comprise hooks, first iron, first connecting rods andsecond connecting rods; the hook assembly storage structure comprises a fixing block, a hollow shell, a first air cylinder, a push plate, a support plate, a first motor, a first support rod, a secondair cylinder and a first electromagnet; the driving structure comprises a second support rod, a third support rod, a first connecting block, a slide bar, second iron, a second electromagnet, a third electromagnet, a second motor and a third connecting rod; the switch assembly comprises a first switch, a second switch, a third switch, a fifth switch, a connecting plate, a second connecting block, afourth support rod, an ejector rod, a spring and a sixth switch. The environment-friendly suspension structure has the advantages that the hooks are arranged in sealed assemblies and are matched withautomatic extension and retraction structures, accordingly, the environment-friendly suspension structure is convenient to use, and the hooks can be prevented from being contaminated.

The invention relates to the technical field of connectors, and particularly discloses a connector assembly which comprises a first connecting end and a second connecting end, wherein the first connecting end comprises a first pin fixing seat and a first functional PIN group fixedly arranged on the first pin fixing seat; the first pin fixing seat is also provided with a soft sealing convex edge which protrudes outwards and surrounds the first functional PIN group; and the second connecting end comprises a second pin fixing seat, and the second pin fixing seat is fixedly provided with a second functional PIN group electrically connected with the first functional PIN group on the surface, which corresponds to the soft sealing convex edge, of the second pin fixing seat. The connector assembly provided by the invention can play a good role in sealing and protecting an electric connection part and improve the reliability during working.

The invention discloses a powdery medicine inhalation treatment system for patients, which is characterized in that a fixed placement barrel is clamped at the top ends of a plurality of fixed insertion tubes, the air extraction end of an air extraction pump is connected with one end of an extraction placement box, a rubber soft cylinder is adhered to the inner side of an annular threaded sleeve, and a rotating isolation plate is welded to one end of a torsion spring; a fixed placement barrel is clamped to the inner side of a fixed insertion pipe, a porous feeding pipe is embedded into the inner side of a storage sliding barrel, and a sucking pump is used for sucking powder medicament placed on the inner side of the storage sliding barrel through a sucking placement box, so that the medicament can be effectively discharged, and operation can be quickly and effectively carried out when feeding needs to be controlled; and the situation that too much medicine is supplied at a time is avoided, a downward pressing spring and a downward pressing sealing gasket are attached to the top end of a fixed supporting ring, the interior is sealed through a rotating isolation plate and a torsion spring, and therefore the feeding position can be effectively sealed and protected in the using process.

The invention provides a hydraulic coarse strainer structure for a crane gear box. The hydraulic coarse strainer structure comprises a filter element which comprises a cylindrical straining screen, and the filter element is inserted in a coarse strainer assembly cover. The hydraulic coarse strainer structure is characterized in that an O-shaped seal ring groove is arranged at the outer edge of the coarse strainer assembly cover. By means of the hydraulic coarse strainer structure for the crane gear box, transmission oil can be effectively prevented from flowing into hydraulic transmission elements of control valves and the like after assembly, and the utilization reliability of the gear box is improved.

The invention discloses a base for an oil-immersed fuse, which comprises an insulation cylinder body, a head conducting ring, a middle conducting ring and a mounting pedestal. The insulation cylinder body comprises an inner layer insulation cylinder and an outer layer insulation cylinder, wherein the inner layer insulation cylinder comprises an interphase insulation cylinder and a mounting insulation cylinder that are defined and wound by epoxy glass fibers. Seal rings are arranged between the outer surface of the rear part of the head conducting ring and the inner surface of the interphase insulation cylinder, between the outer surface of the front part of the middle conducting ring and the inner surface of the interphase insulation cylinder, between the outer surface of the rear part of the middle conducting ring and the inner surface of the mounting insulation cylinder, and between the outer surface of the mounting insulation cylinder and the inner surface of the mounting pedestal respectively; sealants are arranged between the outer surface of the head conducting ring and a front port of the interphase insulation cylinder, between the outer surface of the middle conducting ring and a rear port of the interphase insulation cylinder, between the outer surface of the middle conducting ring and a front port of the mounting insulation cylinder, and between the outer surface of the mounting insulation cylinder and a front port of the mounting pedestal respectively; and the outer layer insulation cylinder is in an integral structure defined and wound by the epoxy glass fibers.

The invention discloses an oil-immersed transformer capable of avoiding dust accumulation. The oil-immersed transformer comprises a transformer, an oil level indicator, a high-voltage wiring terminaland a low-voltage wiring terminal, a mounting base is arranged at the bottom of the transformer, an end cover is arranged above the transformer, the oil level indicator is mounted on the upper surfaceof the left side of the end cover, a rubber sealing ring is arranged on the upper surface of the end cover, an exhaust pipe is inlaid in front of a dustproof cover, a protective cover is installed onthe outer side of the dustproof cover through screws, a first filter screen is inlaid at the rear of the dustproof cover, a second filter screen is installed on the lower portion of the interior of an air inlet pipe, a main shaft penetrates the air inlet pipe, and a protective pipe is installed on the outer side of the air inlet pipe. The oil-immersed transformer capable of avoiding dust accumulation is provided with the dustproof cover and a rubber wiring pipe, a high-voltage wiring terminal and a low-voltage wiring terminal are sealed and protected through the design of the dustproof cover,dust is prevented from being accumulated on insulators on the outer sides of the high-voltage wiring terminal and the low-voltage wiring terminal, and the dustproof performance of the device is improved.

The invention discloses finned radiator flange welding equipment for a transformer. The finned radiator flange welding equipment for the transformer comprises a mounting positioning mechanism, a flange positioning mechanism is fixedly installed on the outer side of the mounting positioning mechanism, the flange positioning mechanism comprises hydraulic oil cylinders, oil cylinder mounting seats, a connecting transverse plate and a flange placing plate, the hydraulic oil cylinders are installed at the two ends of the connecting transverse plate, the oil cylinder mounting seats are fixedly mounted on the outer sides of the hydraulic oil cylinders, the flange placing plate is fixedly mounted on the upper end face of the connecting transverse plate, and two radiator clamping mechanisms are slidably connected to the inner side of the mounting positioning mechanism. The radiator and the flange are accurately positioned and welded, the welding quality is effectively guaranteed, clamping, taking and placing are convenient, and the welding protection effect is good.

The invention provides a protection method for a feeder line side connector. The protection method comprises the following steps of: firstly, sleeving the butting end of the feeder line side connector by an insulating cover cap to enable the butting end of the feeder line side connector to be coated; then, sleeving the insulating cap cover with a thermal contraction pipe and enabling the thermal contraction pipe to fully cover the insulating cap cover, extracting the supporting strips in the thermal contraction pipe to retract the pipe body of the thermal contraction pipe, so as to enable the insulating cap cover and the feeder line to be coated; before connecting and installing the feeder line side connector and equipment, cutting and removing the thermal contraction pipe body, meanwhile, moving the insulating cap cover, and then performing connecting and installing. By adoption of the protection method, the feeder line side connector can be effectively protected; when the manufacturing of the feeder line connector and the installation of the equipment machine body cannot be carried out synchronously, the interface of the feeder line connector can be prevented from being damped or wetted; and therefore, the problems of power loss, shrinkage of the base station coverage range or even carrier frequency out-of-service caused by rise of the standing-wave ratio of an antenna feed system can be avoided.

The invention discloses a flange welding equipment for a sheet radiator for a transformer, which comprises a mounting and positioning mechanism, and a flange positioning mechanism is fixedly installed on the outside of the mounting and positioning mechanism, and the flange positioning mechanism includes a hydraulic oil cylinder and an oil cylinder mounting seat , connecting the horizontal plate and the flange placement plate, the two ends of the connecting horizontal plate are equipped with hydraulic cylinders, the outer side of the hydraulic cylinder is fixedly installed with the oil cylinder mounting seat, and the upper end surface of the connecting horizontal plate is fixedly installed with the flange The board is placed, and two radiator clamping mechanisms are slidably connected to the inner side of the installation and positioning mechanism. The invention effectively guarantees the welding quality through precise positioning and welding of the radiator and the flange, and is convenient for clamping and taking and placing, and has good welding protection effect.

The invention discloses a submersible pump rotor with high sealing performance. The submersible pump rotor comprises a water pump rack, a motor sleeve seat, a motor rotor, an electrode contact box and an air curtain cooling assembly, wherein the electrode contact box and the air curtain cooling assembly are fixedly arranged at one end of the motor sleeve seat; the outer side of the motor rotor is rotationally sleeved with a dynamic sealing assembly and is fixed at one end of the motor sleeve seat; the motor rotor is movably sleeved with the motor sleeve seat; and one side of the electrode contact box is in sealed connection with the side surface of the air curtain cooling assembly. According to the submersible pump rotor, the air curtain cooling assembly and the dynamic sealing assembly are arranged at the two ends of the motor rotor respectively to carry out motion sealing of a rotor structure, the air curtain cooling assembly forms a saturated air pressure cavity in an air inlet end box through external pumping air to refuse the entering of water liquid to seal one end of the motor rotor, and the protection of the two ends of the motor rotor is guaranteed through the motion abutting sealing of the dynamic sealing assembly and the surface of the motor rotor, so that the effective sealing protection of the submersible pump rotor is realized, and the waterproof capacity is improved.

The invention discloses a power distribution automation terminal equipment, and a method for increasing the wireless signal intensity of the power distribution automation terminal equipment. The power distribution automation terminal equipment comprises a wireless terminal device arranged in an electricity room, a wireless communication module arranged in a wireless public network signal coverage area outside the electricity room, a communication wire, and a communication module protection box body arranged in the wireless public network signal coverage area outside the electricity room, wherein the wireless terminal device is provided with a first communication interface; the wireless communication module is provided with a second communication interface; communication is carried out between the second communication interface and the first communication interface through the RS-485 protocol; and the two ends of the communication wire are respectively connected with the first communication interface and the second communication interface. The power distribution automation terminal equipment and the method for increasing the wireless signal intensity of the power distribution automation terminal equipment have the advantages that the signal intensity sensed by the wireless terminal device can be effectively increased, so that the online rate of the wireless terminal device can be effectively improved; a transmission distance of the communication wire is prolonged; and the wireless communication module can be protected.

The invention discloses a computer information network converter for effectively improving the waterproof and dustproof effects of interface positions and prolonging the service life of a product. According to the technical scheme, the computer information network converter comprises a converter body, wherein a closed hollow cavity is arranged at the front end of the converter body; a plurality ofinterfaces are arranged in the hollow cavity; a cover plate is arranged at the front end of the hollow cavity; a plurality of through grooves are formed in the cover plate; a set of sealing device isarranged at the position, corresponding to each through groove, in the hollow cavity; and each set of sealing device comprises movable plates which are arranged in the hollow cavity and can synchronously move up and down; a rotating shaft is arranged at one side of each through groove and penetrates through two movable plates separately; the rotating shafts and the two movable plates are in threaded connection and the threaded turning directions are opposite; due to rotation of the rotating shafts, two movable plates can be driven to synchronously move to each other or far away from each other through threaded connection; L-shaped baffle plates capable of moving up and down are arranged between the two movable plates; a sealed structure is formed by the two L-shaped baffle plates and thecover plate; and a holddown spring is connected between each L-shaped baffle plate and the corresponding movable plate. The computer information network converter is ingenious in structure and original in conception.

The invention discloses a protection device for the safe charging of an electric automobile. The protection device comprises a charging pile shell, a display screen, a connector sealing groove body, acharging connector, an anti-collision fence, a sliding way, a pushing air cylinder, a shielding plate, a luminosity sensor, an illuminating lamp, a pulley, a filter screen, an exhaust fan, an air blower, a heater, an electric appliance mounting frame, a controller, a mainboard, a charger, a temperature sensor and a humidity sensor. The beneficial effect is that, the unrepairable damage phenomenonis effectively avoided. the charging connector is not easy to age, and the service life of the charging connector is long; the charging port is provided with a shielding device, so that the chargingport is not easy to leak electricity; the phenomenon that the charging pile is plugged into a socket by hand is avoided, and the safety of the charging pile used at night is effectively improved; thetemperature in the charging pile shell is reduced, and the burning phenomenon of electric appliances in the charging pile shell is effectively prevented; the drying efficiency in the charging pile shell is improved, and the short circuit phenomenon of electric appliances in the charging pile shell is effectively prevented.