71results about How to "Avoid flowing into" patented technology

The invention belongs to lorry part technique field, in particular to a movable roof for railway coverless hopper lorry, which solves a problem in the prior art that railway coverless hopper lorry can not meet the transportation requirement of powder goods. The movable roof is characterized in that an arc roof is arranged on the coverless hopper lorry; a feeding inlet is arranged on the arc roof; an arc movable top cover which can do rotational slide along the arc roof is arranged on the feeding inlet; a rocker is arrange on both ends of the movable top cover; the lower part of the rocker is hinged with the body of coverless hopper lorry; the rocker is connected with a driving mechanism; a limit device and a locking mechanism are arranged on the rocker. The invention has the advantage of rain and water proofing, flexible pneumatic opening and closing of the fully long movable top cover, and fills a domestic gap in the field and lays a foundation for further development of the hopper lorry with cover.

The invention discloses a suction unit used in surgery, which comprises a flow distribution tube, a smoke suction unit and a liquid suction unit. The flow distribution tube comprises a main tube, a first flow distribution branch and a second flow distribution branch, the smoke suction unit comprises a suction tube, the suction tube is communicated with the first flow distribution branch and connected with a skin protecting towel, the liquid suction unit comprises a tubular suction handle, the front end of the tubular suction unit handle is connected with a suction head, and the rear end of the tubular suction handle is communicated with the second flow distribution branch via a flow guiding tube I. The smoke suction unit is arranged at an opening of a surgical cavity, the suction range ofthe suction tube is large, smoke generated during electric scalpel surgery can be thoroughly sucked away, injury to medical staffs due to the smoke is avoided, the skin protecting towel encircles a surgical incision, and tissues of the incision can be prevented from being sucked away by the suction tube; the liquid suction unit can suck away blood, incision irrigation liquid, fester and the like which are generated during the surgery, and is convenient in operation; and the smoke suction unit is integrated with the liquid suction unit, the suction unit is simple in structure, and the quantityof suction equipment required in a surgery process is reduced.

The invention relates to the technical field of water quality detection, and discloses a water taking device suitable for different depths. The water taking device comprises an upper shell, the upper end of the upper shell is fixedly connected with a floating block, the floating block is internally provided with a cavity, the middle part of the cavity is fixedly connected with a hollow pipe, and the middle part of the hollow pipe is movably sleeved with a straight rod. Through the arrangement of the floating block, a balancing weight, a pull rope and a clamping block, the water taking device can automatically and vertically sink to the preset depth by means of the gravity of the water taking device, the sampling accuracy can be ensured, sampling is automatically started after the preset depth is reached, the water taking device can be separated from a lower shell after sampling is completed, and the upper shell can automatically float upwards along the pull rope under the action of the floating block to complete sampling, so that a worker only needs to fix the upper end of the pull rope and put down the water taking device in the whole water taking process of the water taking device, the water taking process can be completed by means of the water taking device, the time of the worker is saved, the worker does not need to pull the water taking device up by himself/herself, and the device is more efficient and convenient.

The invention discloses a lifting type cleaning mechanism for an optical part obtained after coating. The lifting type cleaning mechanism comprises a workbench, a height adjusting device, a storage device and a drying device. The height adjusting device is welded to the top end of the workbench. A rotary motor is connected to the top end of a transverse plate of the height adjusting device througha screw. A rotary shaft is connected to an output shaft of the rotary motor through a coupling, and the lower half of the rotary shaft penetrates through a vertical through hole dug in the transverseplate. A round plate is welded to the bottom end of the rotary shaft. The storage device is connected to the round plate through a vertical bolt. A liquid storage bucket is arranged in a holding groove dug in the workbench. A protection device is arranged above the liquid storage bucket, and the drying device communicates with the periphery of the protection device. The height adjusting device comprises a vertical hydraulic rod and the transverse plate. Through the lifting type cleaning mechanism for the optical part obtained after coating, stable cleaning and drying can be conducted fast, and work efficiency is promoted.

The invention discloses a durable type asphalt pavement structure which comprises a base layer, a mixed layer, a cement concrete layer and an asphalt layer, wherein the base layer is laid on the ground, a water draining pipeline is arranged in the horizontal direction in the base layer, the mixed layer is laid on the upper surface of the base layer, the mixed layer is formed by stone and gravel, the gravel is laid among the stone, the laid thickness of the gravel is a half of the height of the stone, the cement concrete layer is laid on the upper surface of the mixed layer, two or more protruded long stripes are arranged on the surface of the cement concrete layer, the same steps are arranged on the two sides of the protruded long stripes, the protruded long stripes are arranged in a criss-cross mode to form a grid structure, and the asphalt layer is laid in grids formed by the protruded long stripes. The asphalt pavement structure disclosed by the invention has a self-repair function,so that the service life of the asphalt pavement is prolonged, maintenance times and maintenance cost are reduced; the structure further has a water drainage function.

The invention discloses a plastic injection mold, and relates to the technical field of injection molding. A rear formwork bottom plate is included. A rear formwork on the rear formwork bottom plate is detachably connected with a front formwork on a front formwork bottom plate. A cavity for mold injection molding is formed by a rear mold core formed by the upper portion of the rear formwork and afront mold core formed at the lower portion of the front formwork. Each exhaust assembly comprises a pipe cavity, wherein one end of the pipe cavity communicates with the cavity, the other end of thepipe cavity upwards extends out of the top face of the front formwork bottom plate, meanwhile, the pipe cavity is internally provided with a matched exhaust pipeline, and one end of the exhaust pipeline communicates with the cavity and is provided with a ventilation micro hole ring. According to the plastic injection mold, surplus air in the cavity is exhausted in time, accordingly, the phenomenonof air hole generation in the injection molding process is avoided, and the mold injection molding effect is improved; and an activated carbon adsorption plate can be utilized for adsorbing harmful molecules contained in hot melting plastic raw materials, and accordingly the body health of workers is facilitated while exhausting is guaranteed.

The invention relates to a flue gas waste heat recovery system, in particular to a flue gas waste heat recovery system for an industrial gas boiler. According to the flue gas waste heat recovery system for the industrial gas boiler, the heat energy utilization rate is increased. A flue gas waste heat recovery system for an industrial gas-fired boiler comprises a base, a boiler, a discharge flue, an energy saver, a pressurization box, a water inlet pipe, a pressurization rod and the like. A boiler is arranged on the left side of the top of the base, a discharge flue is arranged on the right upper portion of the boiler, an energy saver is arranged on the right side of the top of the base and connected with the boiler, pressurizing boxes are connected between the front side and the rear side of the lower portion of the discharge flue and the energy saver, water inlet pipes are connected between the right upper portion of the discharge flue and the lower portions of the pressurizing boxes, and pressurizing rods are arranged on the upper portions of the pressurizing boxes in a sliding mode. When the driving mechanism operates, the four first shifting blocks are driven to intermittently flap the water inlet pipe, so that water drops condensed and attached to the outer wall of the coiled pipe drop downwards, and flue gas waste heat recovery is prevented from being affected.

The invention discloses a bearing washing machine. The bearing washing machine comprises a feed tray, a feed track and a washing device, wherein the output end of the feed tray is connected with the input end of the feed track, the output end of the feed track is connected with the washing device. Compared with the prior art, the washing effect is ideal, the quality and application precision of the bearing can be guaranteed, scrap iron can be prevented from flowing into a washing liquid storage box together with the washing liquid, the blockage of a washing system and the abnormal damage of components can be avoided, the time also can be saved, and the workload in adjustment can be alleviated.

The invention provides a household electric meter box and belongs to the technical field of electric meter boxes. The household electric meter box comprises a base (2), a box body (1), a box cover and a partition plate. A block pin (12) and a block pin base plate (13) are arranged on the base (2), the box body (1) is formed by a rectangular frame, and a partition plate groove (16) is formed in a frame plate of the box body (1). The base (2) of the electric meter box is formed by combining wire pipes (7) side by side and connected with the box body (1) in a fused mode, the part, facing the box body (1), of the base (2) is provided with a plurality of breathing holes (11), and wire outlets (10) are formed in the parts, close to the short frame plate of the box body (1), of the two ends of the wire pipes (7) and in the middle of the wire pipes in the length direction. According to the electric meter box, the wire pipes are arranged in the base, wires can directly penetrate through the whole electric meter box, wire orientation is easy, and wiring is convenient; besides, the angle of an electric meter can be adjusted, and meter reading personnel can read data more easily; in addition, the heat dispassion performance is better, quick ageing of lines or the electric meter and other devices in the electric meter body is avoided, and the service life of the electric meter and the other devices is prolonged.

The invention discloses a tarpaulin open-top container. The tarpaulin open-top container comprises a container body; a top side beam, an opening and a tarpaulin are arranged at the top of the container body; a hole is formed in at least one side edge of the tarpaulin; a sealing rope passes through the hole; the sealing rope comprises a first end and a second end; a step part is arranged at least one outer side of the top of the container body; when the tarpaulin is located in an extension state, the side edge, with the hole, of the tarpaulin can cover the step part; and the container body is constructed to ensure that the second end of the sealing rope can be tightened or loosened relative to the container body. According to the tarpaulin open-top container disclosed by the invention, the sealing rope tightly stretches to press the edge of the tarpaulin, and the tarpaulin is convenient to operate, so that the production cost is greatly reduced, the efficiency is enhanced and convenience is brought to water tightness.

The invention relates to a bird repellent containing device for an electric power facility. The bird repellent containing device comprises a bird repellent containing container and a container upper cover used in cooperation with the bird repellent containing container. A small release hole is formed in the container upper cover. The bird repellent containing device for the electric power facilityfurther comprises an umbrella-shaped protective cover; the umbrella-shaped protective cover is in an inverted buckled funnel shape, and is installed on the container upper cover through a supportingrod; the supporting rod comprises a fixing rod and a pluggable stretchable rod which can be contained into an inner cavity of the fixing rod, a magnet is arranged in the center of the inner side of the umbrella-shaped protective cover, and a pull ring is fixedly arranged in the center of the outer side of the umbrella-shaped protective cover. The bird repellent containing device has the advantagesthat the bird repellent containing device for the electric power facility is not affected by weather, a bird repellent in the bird repellent containing container can continue to generate the bird repellent effect, and by arranging the stretchable rod, the concentration of the bird repellent agent is further prevented from being lowered.

The invention discloses a safety protection assembly for a connecting pipe of a chemical pipeline, and relates to the technical field of chemical equipment. The safety protection assembly comprises the connecting pipe, a middle disc is fixed between the inner walls of the connecting pipe, rectangular long rods are fixedly connected to the two opposite surfaces of the middle disc, a fixed disc is fixedly connected to one end of each rectangular long rod, a movable disc is slidably connected to the peripheral side surface of each rectangular long rod, limiting springs are arranged on the peripheral side surfaces of the two rectangular long rods in a sleeving mode, through holes in one surface of each movable disc and through holes in one surface of the corresponding fixed disc are staggered,an electric push rod is fixedly installed at the inner top of an upper sealing cover, and two suspension rods are symmetrically fixed at the bottom of a cross rod. According to the safety protectionassembly, through the design of the fixed discs, the movable discs, the limiting springs, the through holes, the electric push rod, the suspension rods and a gas detector, the movable discs block thethrough holes on the fixed discs, the toxic medium is prevented from continuously leaking, and the problems that a connecting pipe part of an existing chemical pipeline may leak and threaten the lifesafety of workers are solved.

The invention relates to a wastewater purification joint, in particular to a wastewater purification joint for building floors. The invention provides the wastewater purification joint for the building floors, which has the advantages of double-layer filtrating, convenience in silt cleaning and capability of controlling the water yield. The wastewater purification joint for the building floors comprises a mounting frame, a water inlet pipe, a water outlet pipe, a threaded cover, a filter screen, a cleaning mechanism and a filtering mechanism, the water inlet pipe is arranged at the top of the mounting frame, the water outlet pipe is arranged on the mounting frame, the threaded cover is arranged at the bottom of the mounting frame in a threaded mode, and the filter screen is arranged in the mounting frame. The wastewater purification joint also comprises a cleaning mechanism and a filtering mechanism, The cleaning mechanism is arranged in the middle of the top of the mounting frame which is provided with the filtering mechanism. Through cooperation of a pushing mechanism, the cleaning mechanism and a flapping mechanism, the pushing mechanism drives the cleaning mechanism to clean dirt on the filter screen, and the flapping mechanism strikes the filter screen, so that silt at the sieve pores in the filter screen is shaken off, and the sieve pores in the filter screen are prevented from being blocked to affect the filtering effect.

The invention discloses a washing machine with a pedaled cover opening function. The washing machine comprises a washing machine box, a large frame, a barrel, a washing machine cover, a base and a pedaled cover opening mechanism, the large frame is positioned on the box, the barrel is positioned in the box, the washing machine cover is positioned on the large frame and corresponds to the barrel, the base supports the box, a hole is formed in the side wall of the base, the pedaled cover opening mechanism comprises a pedal and a transmission structure, the pedal is positioned outside the base, and the transmission structure is connected with the pedal and the washing machine cover and penetrates the hole. According to the washing machine, a traditional mode manually opening a cover is optimized in a mode opening the cover by a foot by the aid of a lever principle, double hands are free, a user steps on the pedal with one foot when standing, and the washing machine cover is more conveniently opened, and more labor is saved.

The invention relates to a micro-injection pump. The micro-injection pump comprises a pump body and a driving device; the pump body is internally provided with a liquid supply cavity, a liquid inlet channel and a liquid outlet channel, the liquid inlet channel is communicated with one end of the bottom of the liquid supply cavity, the liquid outlet channel is communicated with the other end of thebottom of the liquid supply cavity, and a liquid inlet pipe is arranged at the tail end of the liquid inlet channel; a liquid outlet pipe is arranged at the tail end of the liquid outlet channel, aninlet one-way valve is arranged on the liquid inlet pipe, an outlet one-way valve is arranged on the liquid outlet pipe, and the driving device comprises a shell, a top cover, a piezoceramic driver, adriving base, connecting arms, a driving rod and an elastic press membrane; the connecting arms are connected between the driving base and the shell, the upper end of the driving base is provided with a mounting groove of a piezoceramic starter, the top cover is arranged at the top of the driving base, the upper end of the driving rod is connected with the lower end of the driving base, the lowerend of the driving rod is connected with one end face of the elastic press membrane, and the other end face of the elastic press membrane and the liquid supply cavity surround a pump cavity. The micro-injection pump has the advantages that the vibration abatement capability is good, and the injection amount is precise.

The invention discloses an upwards-floating clamping groove type full upper air inlet stove pot. The upwards-floating clamping groove type full upper air inlet stove pot comprises a burner. The burner is provided with a burning cavity and an ejector pipe communicating with the burning cavity. The upwards-floating clamping groove type full upper air inlet stove pot is characterized by further comprising a tray and an air door, the air door is provided with a gas nozzle, the tray is detachably arranged on the bottom of the burner and supports the burner, the tray is provided with an air inlet hole, the air inlet hole is connected with the gas nozzle, and the air door is connected with an inlet of the ejector pipe in a butt joint manner. The invention further discloses a stove. The stove comprises a panel and the upwards-floating clamping groove type full upper air inlet stove pot. The stove is characterized in that the panel is provided with an opening, the tray is supported by the edge of the opening, and the air inlet hole leads to the part below the panel.

The invention discloses a flexible strip-shaped cable and a radio frequency assembly. The flexible strip-shaped cable is provided with a strip-shaped cable insulator, wherein a cable inner conductor is buried in the cable insulator, the cable inner conductor is a strip-shaped component, the cable inner conductor is buried in the cable insulator along the length direction, a width surface of the cable insulator is provided with a cable outer conductor in an attached manner, and the cable outer conductor is wrapped by a cable protection sleeve. The cable is advantaged in that the cable is resistant to clamping, small in thickness and stable in signal transmission, and a damage failure phenomenon occurring in the process from outdoor to indoor is effectively avoided. The radio frequency assembly comprises the flexible strip-shaped cable and radio frequency connectors installed at two ends of the cable, and problems that pinching, damage and the like occur when radio frequency signals aretransmitted back to the indoor space from the outdoor space and pass through a window or a door frame are solved.

The invention discloses red blood cell collecting and recycling equipment. The equipment comprises a negative pressure device and a treatment device; the negative pressure device comprises a first shell, a vacuum pump and a liquid injection pipe; a plurality of hoses are arranged in the first shell; the treatment device comprises a second shell and a separation washing device with a third shell; afirst pore plate and a second pore plate are arranged in the third shell; the third shell is divided into a washing area and a protective agent storage area by the first pore plate and the second pore plate; a third pore plate is arranged on the third shell; the first hose is arranged in the second shell; the second hose is arranged in the washing area; the third hose is arranged in the protective agent storage area; the washing area and the protective agent storage area are provided with a fourth hose and a fifth hose respectively; the fourth hose and the fifth hose are connected to a detergent storage device and a protective agent storage device respectively; and a Y-shaped pipe is arranged in the second shell. The equipment can effectively solve the problems that the centrifugal separation time is long, the single separation amount is small, and the separated cells cannot meet the utilization requirements.

The invention relates to the technical field of medical equipment, and discloses a hospital obstetrical and gynecological nursing medicine change box. The hospital obstetrical and gynecological nursing medicine change box comprises a bottom plate; a hip pad is fixedly mounted on one side of the top of the bottom plate; a placement groove and a concave groove are sequentially formed in the other side of the top of the bottom plate; a rotating rod is movably connected to one side of an inner cavity of the concave groove in a sleeving mode; the rear side of the rotating rod is fixedly connected to an output shaft of a small motor in a sleeving mode; and the other side of the inner cavity of the groove is fixedly sleeved with a guide rod. According to the hospital obstetrical and gynecologicalnursing medicine change box, the rotating rod can be driven to rotate through operation of the small motor; two moving plates on the rotating rod can be driven to move in the opposite directions along a track of the guide rod at the same time through symmetrical external threads arranged on the rotating rod; and when the two moving plates move, two distracting plates can be driven to move in theopposite directions at the same time, so that the two legs of a puerpera can be distracted conveniently, and medical staffs can conduct disinfection and medicine change on the puerpera conveniently.