32results about How to "Keep out" patented technology

The invention relates to an electronic device which comprises a lower shell, and the lower shell comprises an opening. The electronic device also comprises a heat radiating device, a temperature detection unit, a processing unit and a driving device, and the heat radiating device is arranged at the opening of the lower shell and comprises a frame, a screw rod, a guide rod and a plurality of heat radiating fins, wherein the frame comprises a first supporting wall and a second supporting wall; the screw rod comprises a spiral groove, and the screw rod and the guide rod are arranged between the first supporting wall and the second supporting wall; the heat radiating fins are partially clamped in the spiral groove of the screw rod, and each heat radiating fin comprises a through hole; and the guide rod penetrates through the through hole of each heat radiating fin. When the internal temperature of the electronic device, which is detected by the temperature detection unit, is lower than the preset value, the processing unit controls the driving device to drive the screw rod to rotate reversely, and the heat radiating fins are driven to move until getting closer to each other. By adopting the electronic device, the distance between every two heat radiating fins can be adjusted automatically.

The invention discloses a four-level food grinding smashing high speed blender. The blender comprises a base, an electric heater, a dry burning resistance electrode, a temperature sensor, a rotary shaft, a cup body, a cup cover, a motor and a four-level grinding smashing assembly, and the bottom of the cup body is arranged on the base; an up-down through ladder hole is formed in the center which is located at a placing groove and is of the base, a main shaft is in transmission connection with the lower end of the rotary shaft through a coupler, the ladder hole extends upward and is located atthe upper portion of the ladder hole, the rotary shaft is rotatably connected with the inner wall of the ladder hole through a bearing assembly, a sealing disc sleeves the rotary shaft and is arrangedon the upper portion of the ladder hole, and an end cover used for limiting the axial position of the bearing assembly is arranged at the bottom of the ladder hole; the electric heater, the dry burning resistance electrode and the temperature sensor are all arranged at the bottom of the cup body, and the four-level grinding smashing assembly is fixedly arranged on the upper end portion of the rotary shaft. The four-level food grinding smashing high speed blender has the advantages that the blender is reasonable in design and compact in structure, the grinding and smashing effect is good through four-level high speed rotating cutters, better damping effect is achieved, the stability is strong, and the noise is low.

The invention discloses a protective device for an electrical system box vent hole. The protective device comprises a shell, wherein the shell comprises a bridging plate, two side plates which are arranged on the two sides of the bridging plate and are connected through the bridging plate, and an end plate which is used for sealing the rear ends of the two side plates and the bridging plate. The protective device is characterized in that the front end of the shell is provided with a shell seat, a communicating hole which is used to communicate with the vent hole is arranged on the shell seat, a dust screen which is used to seal the communicating hole is arranged on the shell, each inner edge wall of the bridging plate the two side plates of the shell is provided with at least one assembly bulge for assembling, the assembly bulges are provided with tapped blind holes, the parts of the shell seat, corresponding to the assembly bulges, are provided with assembly through holes. In the invention, since the shell seat is arranged between the shell and the outer wall of the box, a fixed structure is firmer; since assembly bulges are arranged on the inner edge walls of the bridging plate and the two side plates in a rasied manner, firmer assembly is achieved; meanwhile, the ventilation area of the protective device is increased so that the good ventilation effect can be reached; and since the dust screen is fixedly arranged on the shell seat the dust screen is fixed more firmly.

The invention relates to a valve guide pipe. The valve guide pipe comprises a guide pipe body, wherein a through hole is arranged in the guide pipe body along the axial direction of the guide pipe body; a plurality of oil storage grooves are arranged in the surface of the through hole; a boss is arranged on the outer surface of the guide pipe body; an oil injection port is arranged in the boss and communicates with an oil storage groove; externally tangential surfaces are arranged on the outer walls of ports in the two ends of the guide pipe body; an internally tangential surface is arranged on the inner wall of the port in one end of the guide pipe body; and a groove structure is arranged on the inner wall of the other port. According to the valve guide pipe disclosed by the invention, lubricant oil is input in the oil storage groove through the oil injection port, thus wear of a valve rod due to insufficient lubrication with the valve guide pipe during cold start is reduced; meanwhile, a part of the lubricant oil can be stored on an inner cutting surface, thus formation of oil film lubrication between the valve guide pipe and the valve rod is benefited, and conduction of heat to a cylinder cover from the valve rod through the valve guide pipe is facilitated; and in addition, a sharp corner generated by the inner wall of the groove structure has a scraping function, and coking and carbon deposition already formed by the valve rod and the valve guide pipe part are removed and prevented from entering the valve guide pipe.

The present invention discloses an eye and ear protective device for supine position operation. The eye and ear protective device comprises a left eye protective cover, a right eye protective cover and two earplugs; the left eye protective cover and the right eye protective cover are prepared by silicone rubber; one surface of the middle portion of each of the left eye protective cover and the right eye protective cover is an arc-shaped cambered surface, and the other surface of the middle portion of each of the left eye protective cover and the right eye protective cover is a recessed cavity; an edge portion of each of the left eye protective cover and the right eye protective cover is a flange surrounding the middle portion with a loop; each flange is fixedly provided with glue for being bonded with skin surrounding an eye portion of a patient corresponding to the recessed cavity side of each of the left eye protective cover and the right eye protective cover; the left eye protective cover and the right eye protective cover are respectively provided with fixing bands for fixing the earplugs; and the two earplugs are respectively fixed at tail ends of the fixing bands of the left eye protective cover and the right eye protective cover. According to the eye and ear protective device for the supine position operation, eyes and ears of a patient can be protected, disinfectant fluid can be prevented from entering into the eyes and ears of the patient, the device is simple in structure and convenient and efficient to wear, the patient can wear the eye and ear protective device comfortably, and acceptability is high.

The invention discloses a motorcycle mobile advertising machine. The machine comprises a main shell, the main shell comprises a front shell body and a rear shell body, and a waterproof rubber ring abuts against the splicing position of the front shell body and the rear shell body; a mounting bracket is arranged in the main shell, an electronic component and a liquid crystal display screen are mounted on the mounting bracket; 45-degree sponge gum is additionally arranged at the abutting position of the display screen and the front shell body; the end corners of the mounting bracket are respectively fixed on the front shell body through a shockproof fixing block, and a shockproof silica gel block is propped between the shockproof fixing block and the mounting bracket; a heat dissipation system is further arranged in the main shell and comprises a plurality of air suction fans and a plurality of air exhaust fans, air inlet holes corresponding to the air suction fans are formed in the rearshell body, and first waterproof cavities are formed between the air suction fans and the air inlet holes; and the rear shell body is further provided with air outlet holes corresponding to the air exhaust fans, and second waterproof cavities are formed between the exhaust fans and the air outlet holes. According to the technical scheme, the structure of the motorcycle mobile advertising machineis improved, heat dissipation is accelerated, and the waterproof and anti-shock effects are improved.

The invention discloses a recycling device for processing corn straw. The recycling device comprises a main box and a compressing box, wherein the compressing box is fixedly connected to one side of the main box; a plurality of universal self-locking wheels are rotationally connected to the bottom of the main box; a through opening communicated with the compressing box is formed in the bottom of the inner wall of the main box; a feed opening is formed in the inner top of the main box; a baffle plate is inserted into the feed opening in a sliding manner; a fixing plug is fixedly connected to one end of the baffle plate; one end, far away from the baffle plate, of the fixing plug runs through the inner wall of the feed opening and extends out; a clamping rod is inserted into the extended endof the fixing plug in a sliding manner; a clamping block corresponding to the clamping rod is fixedly connected to the outer wall of the main box. Through arrangement of a shredding mechanism and a compressing mechanism, the recycling device can quickly and effectively recycle the straw, so that the straw processing efficiency is improved.

The invention discloses a hydraulic disc brake lining and a preparation method thereof. The hydraulic disc brake lining comprises the following components of, by weight, 18-22 parts of steel fibers, 13-18 parts of modified phenolic resin, 2-5 parts of powdery nitrile rubber, 13-18 parts of graphite powder, 35-39 parts of filler, 1-4 parts of FKF composite mineral fiber, 1-4 parts of zinc stearate,3-7 parts of silicon carbide, 6-10 parts of zirconium diboride, 2-5 parts of molybdenum silicide and 2-6 parts of zirconium carbide. The preparation method comprises the following steps that S1, primary mixing and material proportioning and preparing are performed; S2, secondary mixing and material proportioning and preparing are performed; S3, pre-forming is performed; S4, hot-pressing forming is performed; S5, heat treatment is performed; and S6, a product subjected to heat treatment undergoes grinding and drilling, and then is prepared into a finished product through machining. The hydraulic disc brake lining has the advantages of being good in heat resistance, water resistance and high temperature heat fade resistance, and capable of improving the high-temperature brake friction coefficient; and the preparation method has the advantages of being high in preparation precision and more accurate in size.

Provided is a novel intelligent power case including a case body, the case door of the case body is provided with a power running indicating lamp, each of the left side and the right side of the case body is provided with a ventilation port to form a double-ventilation-port structure, and the back side of the case body is provided with an external power taking port. The novel intelligent power case is a set of integrated device integrating the intelligent power switching, automatic fire extinguishing alarming and automatic drying ventilation.

The invention relates to the technical field of bioengineering, and discloses usage equipment based on bioengineering breeding. The usage equipment comprises a shell, a blocking cover is fixedly connected to one side of the shell, a rotating rod is movably connected to the outer wall of one side of the shell, a poke rod is fixedly connected to one end of the rotating rod, the poke rod makes contact with the blocking cover, an exhaust fan is fixedly connected to the inner wall of one side of the shell, a connecting plate is fixedly connected to the inner wall of one side of the shell, a supporting frame is fixedly connected to the outer wall of one side of the shell, and a second motor is fixedly connected to the upper surface of the supporting frame. According to the usage equipment, impurities in materials can be blown into the blocking cover through the exhaust fan, so that the breeding quality of the equipment is improved; meanwhile, the discharging speed of a storage hopper can be controlled through fan blades, so that the materials are prevented from being stacked on a conveying belt, and the flexibility of the equipment is improved; large-particle impurities in the materials can be discharged through discharging holes, so that the large particle impurities are prevented from being mixed with the materials.

The invention relates to a multi-layer sealed motor shell, which comprises a shell, wherein the middle of the upper end of the shell is provided with a circular chamber for accommodating a rotor and acoil; a circle of cooling water channel is concentrically arranged at the upper end of the shell around the circular chamber; a plurality of metal vertical strips are evenly arranged on the inner wall of the cooling water channel; the cooling water channel is communicated with a water inlet formed in the outer side of the shell; a plurality of circles of steps are concentrically arranged at an opening in the upper end of the circular chamber; the outer diameter of the steps is gradually decreased from bottom to top; and the upper ends of the steps except for the step at the top are sleeved with sealing rings. Under the protection of the multiple layers of sealing rings, water in the cooling water channel can be effectively prevented from entering the circular chamber.

A novel foamed ceramic combustor for combusting gutter oil comprises three parts including a supply device, a ceramic evaporating section and a combustion section. A low-pressure oil feed pump is used for providing original power for the gutter oil in an oil tank, so that the gutter oil overcomes pressure in the evaporating section and enters the evaporating section; the ceramic evaporating section comprises a preheating section and a detachably changed main evaporating section, the gutter oil absorbs heat so that the temperature of the gutter oil is raised in the preheating section, the gutter oil is completely gasified in the main evaporating section, steam of the gutter oil enters the combustion section from the main evaporating section, and substances, which cannot be gasified, of the gutter oil are mainly adhered to the main evaporating section; and a vortex gas inlet device can enhance disturbance in a combustion room, so that gas of the gutter oil is fully mixed with air. By the foamed ceramic combustor for combusting gutter oil, the problems of adhesion and insufficient combustion when a liquid combustor combusts the gutter oil can be solved.

The invention discloses an intelligent building safety indication device. The intelligent building safety indication device structurally comprises a display panel, a protective cover, hanging rings, terminal blocks, insulating sleeves, LED lamps, lampshade shells, bolts, a circuit board, power lines, indicating lamps and a waterproof sealing device, the LED lamps are embedded into the front surfaces of the lampshade shells, the waterproof sealing device is embedded in the protective cover, the waterproof sealing device comprises an insulating rubber pad, an air-proof layer, a moisture-proof pad, water-absorbing cotton and a sealing film, and the air-proof layer is attached to the inner surface of the insulating rubber pad. According to the intelligent building safety indication device, thewaterproof sealing device is arranged on the structure and is embedded into the protective cover, the insulating rubber pad is arranged on the outer layer of the device, the insulating rubber pad hashigh flexibility and can be tightly connected with a connecting port, so that a gap is fully filled; the air-proof layer is attached to the insulating rubber pad so that dust can be prevented from entering the device; and the moisture-proof pad and the water-absorbing cotton can absorb water to prevent the water from entering the device to influence the circuit operation of the device.

An arc shape bore part on the back part of a slide pole is borne by an arc shape bearing part of a bearing plate to keep an engaging condition between the slide pole and a ratchet to regulate the rotation of the slide pole under load action to prevent lowering of engaging strength caused by the rotation of the slide pole to increase the engaging strength. It prevents lowering of the interlocking strength between a slide pole and a ratchet under a load action in a reclining device in which a slide pole assembled with a first connecting arm is slid to engage with a ratchet equipped on a second connecting arm to lock both arms.

The invention discloses a shaft-connected acetylene gas cylinder valve. The gas cylinder valve comprises a valve body, a valve element assembly is installed in the valve body, a valve rod penetrates the top end of a valve body, the valve element assembly is provided with a concave hole with an upward opening port, the bottom end of the valve rod extends into the concave hole of the valve element assembly and is in clearance fit with the concave hole, and a compression spring is arranged between the bottom end of the valve rod and the valve element assembly; and an air inlet and outlet channelis formed in the valve body, the bottom end of the air inlet and outlet channel is provided with a stainless steel wire filter screen and a wool felt filter screen through a check ring. A certain matching clearance is reserved between the valve rod and the valve assembly, the eccentric problem caused by the coaxiality tolerance of parts can be adjusted, so that the good opening and closing performance and the sealing performance of the valve are ensured; under the thrust of the compression spring, the valve rod and a sealing flat gasket form good extrusion sealing, and the sealing performanceof the valve rod is ensured to be very good in a high and low pressure state; and the stainless steel wire filter screen and the wool felt filter screen play a good filtering effect, impurities can beprevented from entering the valve body.

The invention discloses a partition plate device for separating a ring network box body from an inspection well. The partition plate device comprises a moisture-proof partition plate main body, wherein clamping grooves are formed in the circumferential side wall of the moisture-proof partition plate main body, expansion bolts are arranged on the multiple clamping grooves, two sealing strips are arranged on the side walls of the multiple clamping grooves, flow guide grooves are formed in the multiple clamping grooves, water drainage holes are formed in the multiple flow guide grooves, two wire inlet holes are formed in the side wall of the moisture-proof partition plate body, and four wire outlet holes are formed in the side wall of the moisture-proof partition plate body. The invention further discloses an installation method of the partition plate device. The method comprises the following steps of firstly, taking down a shutter at the top of a ring network box foundation well, enabling the power cable to penetrate into the ring network box foundation well from the plurality of wire inlet holes and penetrate out of the ring network box foundation well from the plurality of wire outlet holes, and finally installing the shutter at the top of the ring network box foundation well. The partition plate device has double effects of preventing water vapor in the foundation well from entering the ring network box and preventing equipment faults from diffusing into the foundation well to influence other power supply lines, and can improve the power supply reliability.

The invention discloses a five-axis linage automatic grouping device and relates to the technical field of stacking machines. The five-axis linage automatic grouping device is mainly technically characterized in that second outer frames are each provided with a driving part, wherein each an X-axis outer frame is driven by the driving parts to move between the two second outer frames; the X-axis outer frame is provided with a moving part, wherein a Y-axis outer frame is driven by the moving part to move on the X-axis outer frame; a gripper part is rotary connected to the side, facing the ground, of a horizontal plate, wherein material bags are gripped through the gripper part; a first servo motor is arranged at the side, backing against the gripper part, of the horizontal plate, wherein thegripper part is driven by the first servo motor to rotate; and a first sliding block is provided with a sliding part, wherein the first sliding block is driven by the sliding part to move in a firstslide rail. By means of the driving parts, the moving part and the sliding part, a gripper can move along the X-axis, the Y-axis and the Z-axis; and meanwhile, by means of the first servo motor, the gripper can move on the horizontal plate, the position of the gripper can be adjusted so that the different material bags can be gripped, and work efficiency is improved.

The invention discloses an insect-proof box for shoe storage, which comprises a storage box, a heater, a single-chip microcomputer and a collection box. The front surface of the storage box is hinged with a box door, and the storage box at the contact point between the box door and the storage box is fixed by bolts. A frame is installed, and a humidity sensor is fixedly installed on the top inside the storage box, the heater is installed on one side of the humidity sensor, and an ultrasonic generator is installed on one side of the heater, and a ventilation pipe is fixedly installed on one side of the storage box. And the middle part of the ventilation pipe is fixed with a fan by bolts, the bottom of the storage box is fixed with a fixed box shell by bolts, and both sides of the fixed box shell are threaded with rectangular sliders through connecting rods, one side of the fixed box shell An electric power box is installed, the single-chip microcomputer is installed on the top of the storage battery, rectangular chutes are opened on both sides of the collection box, and through holes are opened on the front surface of the collection box. The invention can prevent the insects from destroying the box body and shoes for the box cabinet.

The invention discloses a bed mattress with good air ventilating effect. The bed mattress comprises a main mattress, wherein both sides of the main mattress are respectively fixedly connected with protective mattresses; the main mattress comprises a composite fluff layer, a waterproof and air-permeable film layer, a wool layer, a soft filling layer, a thermoplastic rubber mattress, a latex body layer and a bamboo hemp fiber layer; the composite fluff layer is positioned at the top part of the waterproof and air-permeable film layer; the waterproof and air-permeable film layer is positioned atthe top part of the wool layer; the wool layer is positioned at the top part of the soft filling layer; the soft filling layer is positioned at the top part of the thermoplastic rubber mattress. The bed mattress has the advantages that by arranging the composite fluff layer, the waterproof and air-permeable film layer, the wool layer, the soft filling layer, the thermoplastic rubber mattress, thelatex body layer, the bamboo hemp fiber layer and an anti-abrasion layer, the problem of poor air ventilating effect in the existing bed mattress is solved; the air ventilating effect is good, the sleeping quality of a user is improved, the cost of the user is reduced, and the bed mattress is suitable for people to use.

The invention relates to the technical field of electrical equipment, in particular to a transformer cooling and drying device. The transformer cooling and drying device comprises a shell, an air inlet is formed in the lower portion of the shell, a dust filtering net is arranged on the air inlet, a first drying device is arranged at the position, above the air inlet, in the shell, an airflow motion device is arranged on the first drying device and comprises a fixing plate, multiple fans are arranged on the fixing plate in a matrix mode, airflow moves upwards, a cooling device is arranged above the airflow motion device, multiple bucket type air inlets are arrayed in a matrix mode to form the cooling device and opened downwards, a second drying device is arranged on an outlet of each bucket type air inlet, a net-shaped supporting frame is arranged above the cooling device, an air outlet is formed in the upmost portion of the shell, and a protective cover is arranged at the outer side of the air outlet. It can be ensured that the working environment of a transformer is stable.

The invention discloses a high-quality dustproof motor, and the motor comprises a motor housing, a front end cover, and a rear end cover. The front end cover, the motor housing and the rear end cover are connected sequentially. The motor housing comprises three layers from the outside to the inside: an outer layer, a sound insulation layer and an inner layer. The interior of the outer layer is provided with a reinforcing rib, and the interior of the motor housing is provided with a rotor and a rotor. The surface of the motor housing is provided with semiconductor cooling fins, wherein the number of semiconductor cooling fins is greater than one. The rear end cover and the front end cover are respectively provided with a bearing. The bearings are in rotating connection with the rotor. The rear end cover is provided with a fan cover, and the interior of the fan cover is provided with a fan. The fan cover is provided with a dust screen. The motor is simple in design, is good in sound insulation performance, is good in heat dissipation performance, and is good in dustproof effect.

The invention discloses a protection device for ventilation holes of an electrical system box body, which comprises a casing, the casing includes a bridging plate, two side plates located on both sides of the bridging plate and connected through the bridging plate, and the two side plates are connected to the rear of the bridging plate The end plate is closed, the front end of the shell is fastened with a shell seat, the shell seat is provided with a communication hole for communicating with the ventilation hole, the shell seat is provided with a dust-proof net for closing the communication hole, the bridge plate of the shell and At least one assembly protrusion for assembly protrudes from the respective inner edge walls of the two side plates. The assembly protrusions are provided with threaded blind holes, and the shell seat is provided with assembly through holes corresponding to the positions of the assembly protrusions. . In the present invention, a shell seat is provided between the outer shell and the outer wall of the box to make the fixing structure more firm, and the assembly protrusions are protruded on the inner edge walls of the bridging plate and the two side plates, so that the assembly is more firm, and at the same time, the ventilation of the protective device The area is enlarged to achieve a good ventilation effect, and the dust-proof net is fixed on the shell base, so that the dust-proof net is fixed more firmly.

The invention discloses thermal socks, which are composed of socks thread as a whole, including a toe, a back, a bottom, a heel, a tube, and a retainer. The surrounding part of the bottom is connected, the opening at the back end is connected with the heel of the sock, and the back of the sock, the bottom of the sock, and the heel of the sock are connected to form an opening at the upper end, which is connected with the sock tube as a whole. The upper end of the sock tube is provided with a retainer, and the sock line is 3mm ~8mm thick elastic thread, the thickness of the retainer is 10mm-20mm, and the width is 50mm-80mm. It is an elastic soft material. The present invention uses wool to weave thick warm socks. The upper end is provided with a retainer to prevent cold air from entering. In autumn and winter, use thick socks of different lengths with high-heeled sandals, so that you can still wear your favorite sandals in the cold season.

The gas sampling device comprises a sampling bag, a gas inlet pipe and a gas outlet pipe are fixedly arranged on the sampling bag, a first switch valve is fixedly arranged on the gas outlet pipe, one end of the gas inlet pipe of the sampling bag is fixedly connected with an extraction device, and the extraction device comprises a mounting plate; an air extracting pump and a storage battery are fixedly mounted on the mounting plate, the storage battery is electrically connected with the air extracting pump, the air outlet end of the air extracting pump is fixedly communicated with the air inlet pipe, a three-way connector is fixedly mounted at the air suction end of the air extracting pump, a sampling pipe is fixedly mounted at one end of the three-way connector, and a second switch valve is fixedly mounted on the sampling pipe; the other end of the three-way connector is provided with a connecting device, and the connecting device is sleeved with a detachable gas storage bag. The gas sampling device for the gas analyzer can solve the problem that sample gas collected by an existing sampling bag is a mixture of air and the sample gas in the bag.