46results about How to "Avoid pouring" patented technology

The present invention provides a concrete mixing station charging system and method, including temporary charging equipment and two groups of mixing barrels arranged along the lateral direction of the temporary charging equipment; the temporary charging equipment includes: a tank body, a stirring device for stirring concrete is arranged inside the tank body; an air pressure detection device, the air pressure detection device is arranged on the inner wall of the tank body and is used to measure the height of concrete in the tank body by air pressure; a conveying device, the conveying device is arranged at the bottom of the tank body and is used to convey concrete into the tank body; a discharge detection device, the discharge detection device is arranged on the conveying device and is used to monitor whether the concrete discharge is completed. The conveying device is used to realize the transportation and temporary storage of concrete from the two groups of mixing barrels to the tank body, and the stirring device is used to prevent the concrete from solidifying. At the same time, the concrete stored in the tank body can be transported to the mixer truck again through the conveying device.

The utility model relates to the technical field of titanium agent production, in particular to a feeding device for titanium agent production, which comprises a mounting seat, a support frame, a sliding block and a connecting plate, the support frame is arranged at the upper end of the mounting seat, the sliding block is arranged on the inner side of the support frame, and the connecting plate is arranged on the side surface of the sliding block. A conveying structure is arranged on the side face of the connecting plate. Raw materials are poured into a feeding bin, the raw materials gathered into blocks are filtered through a filtering plate, the powdery raw materials enter a conveying shell, then a second motor is started, the second motor drives an auger to rotate, the auger forwards conveys the raw materials to a discharging port, and the raw materials enter the production device through the discharging port; and then the clustered raw materials on the filter plate are cleaned, smashed and then guided into the feeding bin again, so that the situation that the clustered raw materials enter the production device and cannot be fully mixed with other raw materials, and consequently the production quality is reduced is prevented.

This application relates to the field of tarpaulin cleaning technology, disclosing a high-strength self-cleaning sunshade tarpaulin, including a tarpaulin, a cylinder, blades, a hollow shaft, a cross-shaped spray frame, spray pipes, first nozzles, cross-shaped pipes, and valves. In use, the water supply equipment is controlled to operate, and water is delivered through multiple hoses into the interior of multiple cross-shaped pipes, ultimately being sprayed out by multiple spray pipes and multiple first nozzles. When water is sprayed from the multiple first nozzles, fine water streams are evenly sprayed onto the tarpaulin surface, carrying dust from the sides of the tarpaulin to the ground. When water is sprayed from the multiple spray pipes, multiple high-pressure water jets are directed at multiple blades. Then, under the push of the reaction force, the multiple cross-shaped spray frame rotates. This ultimately drives the multiple first nozzles to rotate, thereby increasing the spray range and improving the dust removal effect. Because the multiple nozzles are evenly distributed on the sides of the tarpaulin, it is convenient to clean the entire side when the tarpaulin is unfolded.

The utility model discloses an elevator ventilation noise reduction structure which comprises a lift car, a fan is fixedly connected to the lift car, two ventilation columns are symmetrically and fixedly connected in the lift car, snakelike ventilation pipes are fixedly connected in the ventilation columns, sound absorption cotton is fixedly connected to the inner walls of the snakelike ventilation pipes, the upper end of one snakelike ventilation pipe is fixedly connected with the output end of the fan, and the lower end of the other snakelike ventilation pipe is fixedly connected with the output end of the fan. An exhaust head is fixedly connected to the upper end of the other S-shaped ventilation pipe, an exhaust groove is formed in the front face of the ventilation column, a screen frame is clamped in the exhaust groove, and a filter screen is fixedly connected in the screen frame. The umbrella-shaped baffle covers the exhaust head and the draught fan, air can be broken open in the ascending process of the lift car, so that the air is prevented from being poured into the exhaust head and the draught fan to cause wind whistling, meanwhile, the snakelike ventilation pipe is matched with the sound absorption cotton, noise passing through the snakelike ventilation pipe can be effectively attenuated, silent operation of the lift car is guaranteed, and the service life of the lift car is prolonged. And the use experience of a user is improved.

The utility model discloses a wine bottle pressing cover which comprises an anti-fake piece, a first glass bead, a pressing piece and a second glass bead. The upper end face and the lower end face of the anti-fake piece penetrate through to form a flow channel, a concave cavity is formed in the lower end of the flow channel, a plurality of elastic supporting arms arranged at intervals are formed in an opening in the bottom of the concave cavity, and a clamping hole is formed in the inner wall of the flow channel and located above the concave cavity. The first glass bead is arranged in the concave cavity in a manner of being capable of being downwards separated from the flow channel, and is supported by a plurality of elastic support arms; and the pressing piece is arranged in the flow channel in a manner of moving up and down and is in clearance fit with the flow channel. The pressing piece is used for promoting the second glass bead to be laterally and movably clamped into the clamping hole and promoting the first glass bead to be downwards separated from the flow channel, when a consumer sees that the glass bead exists in the wine bottle, it is indicated that the wine bottle is opened, illegal vendors are prevented from pouring inferior white wine to serve as good wine for selling, the anti-fake purpose is achieved, the consumer can conduct visual judgment, and the market competitiveness of the consumer is improved. And the use is more convenient.

The utility model provides a rice cleaning machine for rice production, which belongs to the technical field of cleaning machines and comprises a water tank, pin shafts are rotatably arranged on the left side and the right side in the water tank through bearings, a cleaning cylinder is fixedly arranged between the two pin shafts, water leakage holes are formed in the inner side surface of the cleaning cylinder in a penetrating manner, and a drainage valve is arranged at the left end of the outer side surface of the water tank in a penetrating manner. The left end pin shaft penetrates through the left side surface of the water tank, a gear is fixedly arranged on the left end pin shaft, and a gear transmission assembly is fixedly arranged on the left side surface of the water tank; when the rice washing machine is used for washing rice, the rice is put into the washing barrel from the opening in the upper portion of the washing barrel, then water is added into the water tank, the water enters the washing barrel through the water leakage holes, the water submerges the rice in the washing barrel, and the rice swings left and right in the water tank along the water tank through the pin shaft through the washing barrel. And the rice in the cleaning barrel swings back and forth in the cleaning barrel, the effect of cleaning the rice is achieved, it is guaranteed that the rice makes full contact with water, and the cleaning effect is guaranteed.

The present invention discloses apple crisp chip pressure difference puffing equipment, and relates to the technical field of pressure difference puffing, and the apple crisp chip pressure difference puffing equipment comprises a bottom plate, a puffing tank, a steam generator, a vacuum tank and a drying tank. In the invention, when the apple slices are subjected to differential pressure puffing processing, to-be-processed apple slices are placed in the placing frame on the right side, the apple slices are sent into the drying tank to complete drying pretreatment, after drying pretreatment is completed, a first motor is started to drive a bracket to reset and move, and a second motor is started to drive sealing covers on two sides to turn over and change positions; then the first motor is started to drive the apple slices to be conveyed into the puffing tank to complete differential pressure puffing treatment, through cooperative operation of the drying tank, the puffing tank, the first motor, a second motor and a third motor, automatic drying pretreatment and differential pressure puffing processing of the apple slices can be achieved, multiple times of taking and feeding operation of the apple slices are omitted, and the production efficiency is improved. And the machining efficiency of the equipment is effectively improved.

This utility model discloses a protective device for unloading ore in an open-pit mine, comprising: a ore pass, an inclined slope on one side of the ore pass, and an unloading platform on one side of the inclined slope. The bottom of the unloading platform is fixedly connected to the ground. A protective mechanism is provided on the unloading platform, including: an unloading channel, side blocks on both sides of the unloading channel, an unloading baffle at the inclined slope end of each side block near the ore pass, and a vertically upward column at the inclined slope end of each side block. Anti-tipping beams are provided between the columns, and diagonal bracing is provided between each column and the corresponding side block. This utility model features an unloading channel, an unloading baffle at the bottom, and an anti-tipping beam at the top, effectively preventing ore cars from tipping into the ore pass, greatly improving unloading safety. Furthermore, it can detect the movement of the ore car using sensors and provide real-time feedback of the unloading status to a display screen via a camera, significantly improving the efficiency of unloading operations.

The utility model discloses an eccentric fireproof mechanism suitable for a biomass boiler feeder, which comprises a bin body, a movable baffle assembly, an impeller material shifting assembly and a driving assembly, the bin body is arranged between a feeding conveyor and a boiler, the upper end of the bin body is in butt joint with a discharge port of the feeding conveyor, and the impeller material shifting assembly comprises a main shaft rotationally arranged in the bin body. The movable baffle assembly comprises a baffle rotating shaft rotationally arranged in the bin body, an arc-shaped baffle fixedly connected with the baffle rotating shaft, a connecting rod with one end fixed to the back face of the arc-shaped baffle and a balancing weight hung at the other end of the connecting rod. The balancing weight drives the lower end of the arc-shaped baffle on the baffle rotating shaft to abut against the outer edge face of the impeller rotor. Elastic sealing is achieved between the arc-shaped baffles and the impeller blades, materials are not prone to being clamped, and work is reliable.

The invention provides a multifunctional cupping device for stroke rehabilitation and a using method thereof, and belongs to the technical field of medical auxiliary instruments. Comprising a multifunctional cupping device body and a vacuum tank, the bottom end of the multifunctional cupping device body is in threaded connection with a mounting base, the bottom of the multifunctional cupping device body is provided with a connector matched with the vacuum tank in shape, and a movable cavity is formed in the mounting base. According to the multifunctional cupping device for cerebral apoplexy rehabilitation, by arranging the mounting base, the movable base, the squeezing assembly and the opening and closing assembly, liquid medicine or essential oil for assisting cupping can be stored in the movable base, and then in the process of massaging a patient, the cupping effect is improved; the liquid medicine or essential oil stored in the movable seat is evenly smeared on the outer portion of the body of a patient, convenience is provided for subsequent cupping operation, manual operation of medical staff is not needed, operation is easy and convenient, and the using process of the cupping device is simplified.

The application provides a thin film deposition device in the technical field of thin film deposition, which comprises a workbench, a vacuum tank, a vacuum cover, a quartz tube, an outer cover cylinder, a coil assembly, a gas supply mechanism, a gas extraction mechanism, a sample stage mechanism, a knocking mechanism and a lifting mechanism. Working gas can be ionized in an inductive coupling area to form a plasma, so that various active species are generated from the working gas, and reactions occur between the active species or between the active species and monomers, so as to facilitate the deposition of a polymer film on the surface of sample microspheres in the subsequent process, and the film plating effect of the product is improved. The knocking mechanism is installed on the workbench, passes through the vacuum tank and is attached to the sample stage mechanism, so that the knocking mechanism knocks the sample stage mechanism, thereby causing the multiple sample microspheres placed in the sample stage mechanism to vibrate, avoiding the adhesion of the multiple sample microspheres and improving the film plating effect of the sample microspheres.

The utility model discloses a chemical production raw material preheating device which comprises a shell, a material taking box is connected to the inner wall of the shell in an inserted mode, limiting plates are installed on the upper portions of the two sides of the material taking box, protection plates are installed on the upper portions of the two limiting plates respectively, and the chemical production raw material preheating device further comprises a material control device. The shell is arranged above the shell; the stirring device is mounted in the shell; the waste gas treatment device is arranged on one side of the shell. The utility model relates to the technical field of chemical raw materials, in particular to a chemical production raw material preheating device, which solves the problem that waste gas diffuses into air in the form of water vapor when a worker takes out chemical production raw materials after the traditional chemical production raw materials are preheated by matching with an energy-saving treatment device. By means of the energy-saving treatment device, waste gas can be directly treated after chemical production raw materials are heated, and the situation that the waste gas diffuses into the air to hurt workers is avoided.

The utility model provides a weak-current cable duct laying structure. The weak-current cable duct laying structure comprises a duct package, a backfill layer, a pavement structure layer and a roadway surface layer which are sequentially arranged from bottom to top, the calandria package comprises a concrete package and cable calandrias, wherein the cable calandrias are uniformly embedded in the concrete package in an array manner along the width and height directions; the thickness of the backfill layer is larger than that of the calandria package; the thickness of the pavement structure layer is smaller than that of the backfill layer; the concrete encapsulation adopts C20 concrete, the backfill layer is paved by adopting an original pavement milling material, and the pavement structure layer is paved by adopting C25 concrete. The utility model has the advantages of simple and reasonable structure, strong integrality, improved structural strength and stability and simple construction, and reduces the emission of construction wastes, reduces the pollution and protects the environment by using the original pavement milling material for the construction of the backfill layer; the maintainability of the structure is improved, rainwater is prevented from being injected, damage is reduced, potential safety hazards are reduced, the process is simplified, and the cost is reduced.

This utility model belongs to the field of irrigation controller technology and discloses an irrigation controller, including a protective box. The main body of the irrigation controller is installed inside the protective box. A sealed door is installed on the front side of the protective box. A heat dissipation component is installed on the protective box. Ventilation slots are opened on the left and right sides of the protective box. A ventilation control component is installed inside the protective box at the position corresponding to the ventilation slot. A connecting shell is fixedly connected to the rear side of the protective box. A support column runs through the connecting shell. The support column is connected to the connecting shell through a bearing. A horizontal rotation drive component is provided inside the connecting shell, which can control the opening and closing of the ventilation slots to enhance the heat dissipation effect and prevent external dust and rainwater from entering through the ventilation slots in extreme weather. The horizontal rotation drive component can horizontally adjust the angle of the protective box so that the airflow can quickly pass through the ventilation slots to improve the heat dissipation effect or reduce power consumption.

The utility model provides a quick brine separating device for marinated food processing, which relates to the technical field of marinated food processing and comprises a bottom plate, a brine barrel body mounted at the top end of the bottom plate, an observation window arranged on the outer wall of the brine barrel body, a group of heating components arranged on the inner wall of the brine barrel body and a separating mechanism arranged inside the brine barrel body. A cover body is mounted at the top end of the marinating barrel body, a feeding hole is formed in the top end of the cover body, an adjusting mechanism is mounted in the cover body, and a filtering mechanism is mounted at the bottom end in the marinating barrel body. According to the device, when food in the marinating barrel body needs to be observed, a handle can be rotated to drive a threaded rod to rotate, so that a filtering disc can be driven to be lifted, workers can conveniently and quickly observe the food on the filtering disc, the situation that all the marinating liquid and the food are poured out during observation is effectively avoided, the operation steps are very simple and convenient, and the practicability is high. And through the design, the practicability is greatly improved, and convenience is also brought to workers.

The utility model relates to the technical field of biological pest control, specifically is a kind of pest luring-infection device, attract pest into device and automatically infect fungus, specific structure is: the lower end of baffle assembly is equipped with conical tube assembly from top to bottom, connection mechanism is sequentially equipped between conical tube assembly, the inside of conical tube assembly is corrugated and is set, is lure part;Conical tube assembly lower end is connected with tubular member and corrugated pipe, and tubular member and corrugated pipe are infection part, and the inside surface of infection part is covered with the medicament containing pathogenic fungus spore.The application can complete the automatic inoculation of pathogenic fungus after pest adult enters the device, and allow adult to escape after infection, return to population and further horizontally spread fungus spore, to reduce the number of pest population, reach the purpose of prevention and control.The device is simple to operate, low in cost, reusable, and has very broad application prospect.

The utility model discloses an anti-static skiing glove, particularly relates to the technical field of skiing equipment, and provides the following scheme aiming at the problems that the existing skiing glove can be conveniently converted and used and needs better fixation and cold-proof protection: the anti-static skiing glove comprises a glove, a flexible plate and a glove opening, the flexible plate is arranged on one side edge of the glove, and the flexible plate is arranged on the other side edge of the glove; the flexible plate is made of anti-skid insulating rubber, one end of the glove is provided with a sleeve opening, and the end, away from the sleeve opening, of the flexible plate is provided with an arc-shaped sleeve; a plurality of four-finger sleeves are arranged on the side, close to the arc-shaped sleeve, of the glove for wearing, and a plurality of first hook-and-loop fasteners are arranged on the surface of the side, away from the flexible plate, of the glove. The end, away from the arc-shaped sleeve, of the flexible plate for fitting connection is provided with a connecting belt surrounding the outer wall of the glove, and the outer wall of one end of the flexible plate is fixed to the arc-shaped sleeve. Different forms can be conveniently converted to meet the use requirement, better cold-proof protection is achieved, and separation is avoided by fixing in multiple modes.

The utility model discloses a liquid spill-proof structure of a pesticide bottle, and relates to the field of liquid spill-proof structures. The liquid anti-spilling structure of the pesticide bottle comprises a bottle body, and the top of the bottle body is in threaded connection with a bottle cap; the anti-slip structure is arranged on the outer wall of the bottle body and used for increasing friction force when the bottle body is held by hand and preventing the bottle body from slipping off from the hand; the anti-toppling structure is arranged in the middle of the outer wall of the bottle body and used for reducing the pesticide spilling amount when the bottle body topples over; the positioning structure is arranged at the bottom of the bottle body and used for assisting stable placement of the bottle body; the leakage-proof structure is arranged in the bottle body and used for preventing a large amount of pesticide from leaking; by arranging the circular ring and the sinking groove, when the bottle body topples over, the circular ring makes contact with the ground and forms an included angle with the ground, and therefore a large amount of pesticide is prevented from being directly poured out from the upper end of the bottle body; the sinking groove can receive a small amount of pesticide, part of the pesticide can flow to the outer wall of the bottle body when the pesticide is poured out, the pesticide flowing out enters the sinking groove at the moment, and direct contact between the human body and the pesticide is prevented.

The utility model provides a sewage discharge well pipeline reinforcing structure, which adopts an arc-shaped plate to clamp a sewage discharge pipeline and utilizes a mounting screw rod to fix the sewage discharge pipeline in a sewage discharge well, so that the sewage discharge pipeline is convenient to splice and use, meanwhile, the sewage discharge pipeline is convenient to mount and dismount, the working efficiency is improved, and the cost is reduced. The number of the blow-off pipelines is at least two, flange pieces are arranged at the top and the bottom of each blow-off pipeline, four inserting pieces are arranged on the outer side of each blow-off pipeline, four fixing structures are arranged on the outer side of each blow-off pipeline, the fixing structures are matched with the corresponding inserting pieces, two supporting rods are installed on the outer sides of the fixing structures, and the two supporting rods are connected with the blow-off pipelines. The same connecting plate is arranged on the outer sides of the two supporting rods, an n-shaped piece is fixedly installed on the outer side of the connecting plate, two installation holes are formed in the n-shaped piece, installation screws are in threaded connection with the interiors of the two installation holes, and threads are arranged at the two ends of each installation screw.

The utility model discloses a resource recycling garbage can which comprises a can body and a top cover, connecting grooves are formed in the peripheral surface of the top of the can body, bases are arranged on the peripheral surface of the bottom of the can body, a cigarette end storage box is arranged on one side in the can body, second pull rods are arranged on the two sides of the top of the cigarette end storage box, and the second pull rods are connected with the connecting grooves. According to the garbage can, the seepage plate is arranged, and the seepage plate of a hollow structure is utilized, so that when garbage is collected by the seepage plate at the bottom of the storage frame, the garbage with different solid and liquid impurities can be conveniently separated, the garbage with different impurities is prevented from being poured out of the garbage can, and the solid and liquid impurities are prevented from being mixed together; according to the garbage can with the seepage plate, the surrounding environment is easily polluted, liquid impurities which are not beneficial to garbage residue are cleaned, then the storage frame with the seepage plate can be separated from the interior of the garbage can barrel through the first pull rod, and effective resource recycling of garbage in the garbage can is facilitated.

The invention discloses a multi-dose split charging type medicine bottle which comprises a medicine bottle body, a medicine bottle cover and a medicine bottle cover. The partition assembly comprises a supporting rod, at least one partition plate and a lifting plate, the supporting rod is arranged in the medicine bottle body, one side of the partition plate is connected with the supporting rod, the other side of the partition plate abuts against the inner surface of the medicine bottle body, the storage cavity is divided into a plurality of small storage cavities by the partition plate, and the lifting plate is arranged in the medicine bottle body. The lifting plate is located in the small storage cavity, and the lifting plate is movably connected to the supporting rod; the bottle cap is detachably connected to the medicine bottle body. Compared with the prior art, the problems that an existing medicine bottle can only contain one medicine, a plurality of medicine bottles need to be placed in a travelling bag of people, the medicine bottles are not easy to place, space is occupied, and troubles are brought to travel of people can be solved.

The utility model discloses a water conservancy ecological protection slope capable of avoiding water pollution, which comprises a first mounting plate, a supporting plate mounted on the left side of the first mounting plate, a second mounting plate arranged on the left side of the supporting plate, a first limiting groove formed in the upper end of the right side of the first mounting plate, and a second limiting groove formed in the upper end of the right side of the second mounting plate, a first partition plate is installed in the middle of the supporting plate, a second partition plate is arranged on the outer side of the first partition plate, a first positioning block is arranged at the front end of the supporting plate, and a second limiting groove is formed in the rear end of the supporting plate; and the first connecting block is mounted at the upper end of the left side of the second mounting plate, and a supporting rod is arranged in the second mounting plate. The water conservancy ecological protection slope capable of avoiding water pollution can be stably connected with the ground in the using process, silt is prevented from pouring to pollute river water, meanwhile, damaged parts can be rapidly replaced in the using process, and better adaptability is achieved.

The invention provides an oligonucleotide separation and recovery method and application thereof, and the method comprises the following steps: mixing an oligonucleotide-containing test solution with an acetone solution of a lithium salt, then centrifuging the mixed solution, and reserving the precipitate, wherein the lithium salt is selected from any one or two of lithium chloride and lithium sulfate. The method has the advantages of simple operation, high separation efficiency, high recovery rate of oligonucleotide, high product purity, and good industrial application prospect.

This utility model relates to the field of louvers, specifically a sliding curtain wall ventilation louver device. It includes a window frame, ventilation opening, rotating shaft, flip-up baffle, driven gear, sliding groove, rack, filter frame, filter screen, and placement slot. Using this utility model, air can be purified while keeping the ventilation opening open, significantly reducing the rate of indoor dust accumulation and decreasing daily cleaning workload.

The utility model relates to a kind of electric power cabinet anti-condensation louver structure, including the window frame being installed on electric power cabinet, the two ends of window frame inside are respectively provided with hydrophobic louver structure and temperature control louver structure, and hydrophobic louver structure and temperature control louver structure are provided with condensing assembly between, hydrophobic louver structure is used to block rainwater and pour into electric power cabinet, temperature control louver structure is provided with electric control assembly, electric control assembly is used to control the opening angle of blade, hydrophobic louver structure is composed of multiple array arrangement's guide louver blade, guide louver blade and window frame are fixedly connected;The utility model is through hydrophobic louver structure and temperature control louver structure, while ensuring ventilation, prevent rainwater and pour into, while temperature control louver structure changes opening angle, changes opening size, when cabinet internal temperature is lower, close louver structure, block inside and outside air exchange, block the entry of external moisture, prevent the generation of condensation, improve practicality.

The utility model relates to the technical field of tea sets, and provides a teacup filter which comprises a filter body and a lower sealing cover, the lower sealing cover is provided with a hole, the filter body is provided with a clamping groove, and the clamping groove extends in the length direction and the circumferential direction of the filter body to form an insertion section and a clamping section and penetrates in the thickness direction of the filter body. The lower sealing cover is provided with a clamping piece; during installation, the clamping piece is inserted along the insertion section, and the lower sealing cover is rotated to enable the clamping piece to be clamped into the clamping section. On the basis, the water outlet speed can be adjusted, and therefore the requirement for the soaking duration of different types of tea leaves is met. In addition, the utility model further discloses a teacup.

The utility model relates to the technical field of medicine dispensing, in particular to a medicine dispensing and infusion combined device which comprises an operation table, an infusion support is fixedly installed at the top end of the operation table, a containing groove is formed in one side of the top end of the operation table, and bolts are arranged at the positions, located on the two sides of the containing groove, of the two ends of one side of the operation table in a threaded penetrating and inserting mode. And the auxiliary assembly is fixed to the other side of the top end of the operation table. According to the infusion bottle fixing and clamping device, the operation table, the transparent top cover, the bottom supporting plate, the abutting spring, the upper cover plate, the inverted triangular clamping block, the bolt, the movable limiting plate, the reset spring and the formed storage groove are used in cooperation, so that an infusion bottle can be fixed and clamped, and the situation that the infusion bottle is stressed to shake and collapse in the moving process of the device is prevented. The operation table and the auxiliary assembly are installed and used in cooperation, a doctor can be assisted in safely opening the ampoule bottle, and meanwhile the waste part of the ampoule bottle can be collected after the ampoule bottle is broken off in a non-contact mode.

This utility model discloses a prefabricated scaffold bottom sealing device, relating to the field of scaffolding technology. The utility model includes a support plate, a core column fixedly connected to the top of the support plate, a sealing sleeve fixedly fitted onto the core column, a column sleeve fixedly installed on the outside of the core column, and a sealing ring fixedly installed on the inner side wall of the upper end of the column sleeve. This utility model effectively seals the bottom of the scaffold support foot by inserting it between the column sleeve and the core column, using the sealing sleeve and sealing ring. The side support plates increase the contact area between the device and the ground, better preventing the bottom of the device from sinking. After use, the side support plates can be folded up around the hinge axis to reduce space occupation. By inserting rectangular limiting frames one and two into the soft, wet ground, the support plate and side support plates can be limited, better preventing lateral movement and making the scaffolding more stable.

The utility model discloses a kind of petroleum chemical industry can prevent odor three-effect floor drain, including panel, detachably installed on the panel floor drain mounting seat, drain assembly installed on floor drain mounting seat, waste gas treatment device. First, realize sewage effective direct discharge, adapt to the drainage demand of different device, detachable floor drain mounting seat adapts to various ground construction scene.Second, all be equipped with odor valve in the connection pipeline of summary drain pipe and floor drain pipeline, block sewer malodorous gas reverse overflow, solve pipeline peculiar smell problem. The one-way flow structure of odor valve can effectively block sewage backflow, avoid ground and device sewage backflow pollution equipment or ground, reduce safety risk. Third, waste gas treatment device by means of the air pressure difference inside and outside drain pipeline, harmful waste gas generated by sewer and sewage retention is adsorbed and decomposed by deodorization bag, and is discharged by standard through rainproof louvre with fire barrier net, from source control waste gas pollution, reduce the influence on operating environment and personnel health.

The utility model belongs to the technical field of personal care tools, and discloses nail clippers. The nail clipper comprises two clamping plates and a lever piece. Wherein one ends of the two clamping plates are connected with each other, the other ends of the two clamping plates are provided with cutting edges respectively, the two ends, in the width direction, of one clamping plate extend towards the other clamping plate to form a baffle, and a gap is formed between the baffle and the other clamping plate; the lever piece is used for extruding one of the clamping plates, so that the two cutting edges are close to each other and shear fingernails; in the process that the two cutting edges are close to each other, the two cutting edges and the motion state of the cutting edges can be observed through the gap. By means of the device, sight can be prevented from being blocked, trimming safety and trimming regularity are guaranteed, meanwhile, tiny chippings are prevented from being clamped in the containing groove, cleaning tools are not needed, the baffle does not need to be moved frequently, operation simplicity and convenience are improved, and meanwhile clamping, falling and abrasion are avoided.