10results about How to "Prevent full" patented technology

The utility model belongs to the technical field of intelligent education, and particularly relates to intelligent management equipment for video education and teleconference, which comprises a bottom plate and a display screen, a support plate is fixedly mounted at the top of the bottom plate, a protective box is fixedly mounted at the top of the support plate, and the display screen is positioned in the protective box. An adjusting assembly capable of adjusting the position of the display screen is arranged in the protection box, box covers are hinged to the two ends of the top of the protection box so that opening and closing of the protection box can be controlled, and a handle is fixedly installed at the top of each box cover so that a person can rotate the box covers conveniently; the display screen is arranged in the protection box, and the box cover is arranged on the protection box, so that the display screen can be protected and managed, the display screen can be prevented from being damaged, the display screen can be prevented from being damaged, and the service life of the display screen is prolonged. And therefore, the phenomenon that the display screen is damaged due to collision and the like can be avoided to a certain extent.

The utility model belongs to the technical field of elevators, and particularly relates to a dust collection cover for an elevator, which comprises a dust collection cover and a cover plate, the cover plate is fixedly mounted at the top end of the dust collection cover, dust collection mechanisms are arranged inside and on the outer wall of the dust collection cover, and a sealing mechanism is arranged at the top end of the cover plate. According to the dust collection cover for the elevator, the dust collection mechanism is synchronously arranged, the interior of the dust collection cover is sprayed in a spraying mode, the dust collection cover is prevented from being filled with dust, and the sprayed dust can be collected, so that the dust absorption efficiency is improved, and the problem that in the dust absorption process of the device proposed in the background technology, dust cannot be absorbed easily is solved. The problem that the device has certain limitation due to the fact that dust is easily diffused in air in the dust collection cavity is solved, by arranging the sealing mechanism, when the device is connected with the connecting end of the elevator, the connecting position can be sealed, the situation that the dust is scattered due to the fact that gaps appear in the connecting position is prevented, and then the dust collection efficiency of the device is improved.

The utility model relates to clean production equipment for coated white board paper, and aims to solve the technical problems that the production efficiency is influenced due to the fact that a machine needs to be paused when a coating roller is manually cleaned at present, and abrasion is possibly accelerated and even the surface is damaged due to the fact that a fixed scraper knife is in contact with a high-speed rotating roller surface for a long time. The supporting shaft penetrates through the side wall of the supporting frame and is rotationally connected with the supporting frame through a bearing seat, a rotating disc is fixedly connected to the outer end of the supporting shaft, an extrusion groove is formed in the side wall of the rotating disc, an extrusion block is slidably connected to the inner side of the extrusion groove, and a stirring frame is fixedly connected to the outer side wall of the extrusion block; the two ends of the fixing rod penetrate through the sliding blocks on the two sides respectively and are fixedly connected with the sliding blocks, the end, facing the rotary disc, of the fixing rod is fixedly connected with a cam, and the bottom of the fixing rod is fixedly connected with a scraper knife. The service life and the production efficiency of the device are improved.

The utility model discloses a kind of hot runner injection uses shunt cone structure, including shunt mechanism, heat dissipation mechanism and backflow mechanism, the shunt mechanism includes cone, the cone cap being connected with the top of the cone, the ladder groove being opened in the inner wall of the cone, heat dissipation mechanism, the heat dissipation mechanism includes the water inlet pipe being penetrated in the lateral wall of the cone, the water storage ring being sleeved in the inner end of the water inlet pipe and being fixed to the inside of the cone, the pressure plate being movably installed in the inside of the water storage ring, the hydraulic cylinder being connected between the cone and the pressure plate. In the utility model, cold water is introduced from the position of water inlet pipe, after the inside of water storage ring is filled with cold water, the movable end of hydraulic cylinder is lowered with pressure plate, then cold water gushes out from the inside of booster water pipe, then cold water is twice pressurized after fine tube one, spray head, so that cold water covers the top of cone cap, then the water curtain formed again flows down along ladder groove, thereby improve heat exchange efficiency.

The present invention relates to the technical field of lithium batteries, and in particular to a negative electrode of a lithium battery and a preparation method thereof. The negative electrode of the lithium battery comprises a current collector and a negative electrode slurry layer, the negative electrode slurry layer covers the current collector, the negative electrode slurry layer comprises a first slurry part and a second slurry part, the first slurry part and the second slurry part are multiple, the first slurry part and the second slurry part are alternately arranged, the composition of the first slurry part includes graphene, and the graphene content in the composition of the second slurry part is 0. The preparation method prepares a negative electrode of a lithium battery through a special first mold and a second mold structure. Through the present application, the prepared negative electrode of the lithium battery reduces the obstruction to the diffusion of lithium ions and improves the performance of the lithium battery.

The present invention relates to the technical field of gas wall-mounted boiler heat exchangers, and in particular to a gas wall-mounted boiler heat exchanger, comprising a heat exchanger body, a water outlet pipe and a water inlet pipe being arranged on the heat exchanger body, the water inlet end of the water inlet pipe being fixedly connected to a second pipe, the right inner wall of the first pipe being fixedly connected to the bottom surface of the left end of a blocking rod, the bottom surface of the right end of the blocking rod being fixedly connected to the left inner wall of the second pipe, the blocking rod passing through a partition and being fixedly connected to the partition, and the outer wall of one adjacent end of the first pipe and the second pipe being rotatably connected to a third pipe, and an array filter mechanism being arranged on the outside of the third pipe. The present invention is simple to operate and convenient to use, and can filter the water source entering the heat exchanger pipe, and can disassemble and clean and replace the filter mechanism without stopping the operation of the heat exchanger body, thereby avoiding the accumulation of scale in the heat exchanger pipe and ensuring the normal use of the heat exchanger pipe.

The utility model discloses a sweet osmanthus tea winnowing machine which comprises a winnowing box, a feeding port is formed in the left side of the top of the winnowing box, a feeding structure is movably arranged at the position, located at the feeding port, in the winnowing box, a discharging cavity is vertically formed in the winnowing box and corresponds to the lower portion of the right side of the feeding structure, and a discharging port is formed in the position, corresponding to the discharging cavity, of the bottom of the winnowing box. A cavity is formed in the winnowing box and corresponds to the left side of the discharging cavity, a suction fan is arranged in the cavity, an opening is formed in the side wall of the side, corresponding to the discharging cavity, of the cavity, a material blocking net plate is fixedly arranged at the position of the opening, an air inlet is formed in the position, corresponding to the discharging cavity, of the right side wall of the winnowing box, and a dustproof net is arranged at the position, corresponding to the air inlet, of the outside of the winnowing box. Impurities are prevented from entering from the air inlet; and due to air suction type winnowing, dust and impurities are prevented from filling the whole winnowing box during winnowing, so that the winnowing effect is greatly improved.

The utility model discloses a refrigeration dryer exhaust structure which comprises a refrigeration dryer shell, the bottom of one side of the refrigeration dryer shell is fixedly connected with a bottom clamping block, the top of one side of the refrigeration dryer shell is fixedly connected with a top clamping plate, the inner wall of the bottom clamping block is provided with a side frame plate, one side of the side frame plate is fixedly connected with a cooling fan, and the other side of the side frame plate is fixedly connected with a top clamping plate. According to the air exhaust structure of the refrigerated dryer, when the air exhaust structure is used in summer, due to the fact that the temperature in the refrigerated dryer shell rises too fast, the exhaust fan and the cooling fan are started at the same time, due to the fact that hot air rises upwards, the exhaust fan sucks away internal hot air from an exhaust opening, and the heat dissipation fan is started at the same time; and then the heat dissipation fan continuously blows air to the heat exchange pipe to reduce the temperature of the heat exchange pipe, air flowing is accelerated by rapidly pumping away internal hot air, heat dissipation is conducted on the heat exchange pipe through blowing of the heat dissipation fan, and therefore heat dissipation can be conducted on the heat exchange pipe rapidly, the heat dissipation effect is guaranteed, and the heat dissipation requirement of the exhaust structure is met.

The utility model is applicable to the technical field of diesel generators, and provides a diesel generator control box which comprises a case and a control panel embedded in the middle of the top of the case, protective shells are slidably mounted on the front side and the rear side of the top of the case respectively, the inner sides of the protective shells are arranged in an attached mode, an adjusting assembly is mounted on one side of the top of the case, and the adjusting assembly is connected with the control panel. The control panel can be protected through the arrangement of the protective shell, dust is prevented from being fully distributed on the control panel when the control panel is not used, the position of the protective shell can be adjusted through the arrangement of a movable rod, a first threaded rod, a second threaded rod, a side plate, a threaded sleeve, a fixed rod and a rotary knob, and the control panel is convenient to use. And in addition, through the arrangement of a U-shaped pull rod, a sliding plate, an inclined groove, an L-shaped sliding rod, an insertion block, a rectangular plate and a telescopic spring, the control panel can be quickly clamped and released, operation is convenient and fast, and the problem that traditional installation is tedious is solved.

The utility model discloses a high-efficiency automatic oil smoke collecting hood device for a quenching oil bath, which relates to the technical field of quenching smoke exhaust and comprises a gas collecting hood main body piece, a movable door and a smoke outlet, the bottom edge of the gas-collecting hood main body piece is fixedly connected with the pool edge of an oil pool, the bottom edge of the gas-collecting hood main body piece is attached to the pool edge of the oil pool after the fixed connection, the smoke exhaust port is fixedly connected with the gas-collecting hood main body piece, and a through channel is formed between the smoke exhaust port and the gas-collecting hood main body piece after the smoke exhaust port and the gas-collecting hood main body piece are connected; the gas-collecting hood main body part is fixedly connected with the movable door, the movable door comprises a guide rail and a door plate sliding along the direction of the guide rail, the gas-collecting hood is fixedly connected with the oil pool, the connected gas-collecting hood is attached to the pool surface of the oil pool, and the movable door is closed, so that quenching oil fume is always located in the gas-collecting hood, and the quenching oil fume is prevented from being blocked. Therefore, the problem of environmental pollution caused by the fact that the working position surface and the workshop are full of oil gas due to drifting of oil fume generated in the quenching process is avoided.