339results about How to "Avoid spilling" patented technology

The invention relates to the technical field of pet supplies, and particularly discloses a pet water dispenser. The pet water dispenser comprises a shell, a drinking tray assembly, a driving piece and an overturning transmission mechanism. The drinking tray assembly is installed on the shell through a rotating shaft on the side portion, the overturning transmission mechanism comprises a driving sliding block driven by a driving piece and a contour surface arranged on the drinking tray assembly, and the drinking tray assembly is driven to automatically overturn around the rotating shaft to pour sewage through cooperation of the sliding block and the contour surface. A locking mechanism is further arranged, automatic locking is achieved when the rotating shaft is installed in place, and axial loosening of the assembly is prevented. The water dispenser is simple and compact in structure, high in automation degree and reliable in work, and the use safety and convenience are effectively improved.

The application discloses a furnace mouth material scattering prevention device and a use method thereof, which comprises a feeding port, the longitudinal section of the feeding port is in a trapezoidal shape, two torsional springs extending in the height direction are fixedly connected to the two sides of the feeding port, a left baffle and a right baffle extending in the direction of a material throwing port of a material throwing machine are respectively connected to the two torsional springs, a bottom plate extending in the direction of the material throwing port of the material throwing machine is fixedly connected to the bottom of the feeding port, the left baffle and the right baffle are in sliding fit on the bottom plate, a side baffle with a height lower than the left baffle and the right baffle is fixedly connected to the free end of the bottom plate, a guide plate above the bottom plate is hingedly connected to the bottom of the feeding port, the free end of the guide plate is in clearance fit with the side baffle, and a compression spring is fixedly connected between the bottom of the guide plate and the bottom plate. The application has the beneficial effect that large-particle materials can smoothly fall into the feeding port along the guide plate, the guide plate is continuously vibrated under the cooperation of the compression spring after being impacted by the large-particle materials, and the sliding of the large-particle materials is accelerated.

The utility model relates to the field of building construction safety, more particularly to a kind of anti-collision guardrail concrete pouring anti-falling device, it includes a baffle, second baffle and two side baffles;Two side baffles are relatively parallel, the first side of two side baffles is respectively connected the two sides of first baffle parallel, the second side of two side baffles is respectively connected the two sides of second baffle parallel, first baffle, second baffle and two side baffles jointly enclose concrete flow guide cavity, by the utility model, solve in the concrete anti-collision guardrail construction process, concrete spilling, material waste and the problem of potential safety hazard.

The utility model discloses a surface treatment device for a slotted bolt. The surface treatment device comprises a galvanizing bath, the lifting mechanism is arranged at the bottom of the galvanizing bath; the rotating mechanism is arranged at the upper end of the lifting mechanism and comprises a supporting frame connected with the lifting mechanism, a rotating bearing frame is installed on the supporting frame through a toothless type slewing bearing, a galvanizing basket is placed on the bearing frame, a circle of annular bevel gear is arranged on the bearing frame around the galvanizing basket, and a rotating driving bevel gear is arranged on the inner wall of the galvanizing tank. The driving bevel gear is located above the annular bevel gear and corresponds to the annular bevel gear, and the driving bevel gear is driven by a motor to rotate; the limiting mechanism is arranged on the bearing frame and is connected with the galvanized basket; according to the utility model, a workpiece can be directly centrifuged in the galvanizing bath after being galvanized, so that a plating solution is prevented from being scattered everywhere when the workpiece is transferred.

The utility model discloses a dough lifting and dumping device which is characterized in that a lifting machine comprises a machine base and a machine seat, a rotating support is arranged on the lifting machine, a lifting column capable of driving the rotating support to lift up and down is arranged on the lifting machine, and a turnover structure capable of driving the rotating support to rotate is arranged on the lifting column. A noodle barrel is arranged on the vehicle seat, an inserting structure which can be detachably connected with the vehicle seat is arranged on the rotating support, and a vacuum cutting machine is arranged on one side of the elevator; through cooperation of the lifting column and the rotating motor, lifting and overturning of the dough barrel can be automatically achieved, dough is accurately controlled to be poured into a funnel of the vacuum dividing machine, manual pouring is not needed, the dough transferring efficiency is improved, and the waiting time is shortened.

This utility model relates to the field of waste plastic recycling equipment, and particularly to a PET bottle flake hot washing pot. It includes a box with an internal cavity, a drive motor mounted on the box, a feed inlet located on the upper part of the box and connected to the cavity, and a discharge auger located at one end on the bottom of the box and connected to the cavity. The cavity has a regular polygonal structure, and a feeding structure is provided on the outer side of the box. The feeding structure includes a feeding channel fixed to the upper part of the box and connected to the cavity, a rotating shaft rotatably connected to the feeding channel, and a rotating paddle fixed to the rotating shaft and matched to the feeding channel. This utility model features minimal structural modifications, effectively preventing alkaline water splashing, reducing potential operational accidents, and improving the cleaning efficiency of PET bottle flakes.

The utility model discloses a concrete batching plant for concrete production, including the first fixed frame of rectangle, the vertical setting support leg of four corners of first fixed frame fixedly connected with, the interval fixed connection of first fixed frame inner wall has two batching bins, the horizontal setting rectangle of support leg middle position fixedly connected with the second fixed frame, the baffle of two ends fixed connection of second fixed frame top is provided with the conveyer belt between the inner wall of two baffle two ends, and two conveyer belts respectively opposite two batching bin bottom end's discharge gate setting, be provided with the mixing bin between two conveyer belts, and the mixing bin top is fixedly connected on second fixed frame bottom, and the scraping collection subassembly of two sides of second fixed frame bottom is provided with, and scraping collection subassembly carries out scraping to conveyer belt bottom surface.

The utility model relates to a continuous casting process stuffing sand collecting device which comprises a stuffing sand receiving hopper, a cross beam rod, a lead screw guide rail, a support and a movable sliding rail, the stuffing sand receiving hopper is connected to one end of the cross beam rod, and the other end of the cross beam rod is connected with the lead screw guide rail and can be driven by a lead screw guide rail motor to move horizontally. The lead screw guide rail is fixed to the top of the support, the support walks along the movable sliding rail, and the movable sliding rail is arranged on one side of the tundish. Aiming at the problems of time and labor waste and potential safety hazards in the prior art, the ladle filler sand in the ladle nozzle can be quickly and safely collected, and the purity of molten steel is improved.

The utility model relates to the technical field of erosion gully treatment, and discloses a soft protection grid device for erosion gully treatment, which comprises a gully bottom, slope bodies are fixedly connected to the left side and the right side of the top wall of the gully bottom, protection mechanisms are mounted on the inner sides of the slope bodies, and the protection mechanisms are used for treating erosion gully. And a fixing mechanism is mounted on the outer side of the protection mechanism. According to the utility model, the protection grid is composed of a plurality of grids with small meshes, the planting soil is filled in the protection grid, the protection net prevents the planting soil from scattering out, the protection grid is spliced on the inner side of the outer frame according to the length of a ditch slope and is obliquely arranged and fixed on the ditch slope during use, and vegetation is planted in the protection grid; the root systems of the vegetation penetrate through the protection grids and root in the soil body of the ditch slope, the ditch slope is stabilized and prevented from being eroded, the effect of purifying water is achieved, when flood impact occurs, the vegetation has the energy reduction effect, and the impact of water flow on the soil body is effectively relieved.

The utility model provides a kind of blood specimen transmission cylinder, including main body cylinder, first buffer sleeve and cylinder cover;Wherein main body cylinder has accommodating cavity;First buffer sleeve is installed in accommodating cavity, blood collection tube can be inserted into first buffer sleeve;Cylinder cover can be connected with main body cylinder cover, after cover connection, the inner top wall of cylinder cover and the tube cap of blood collection tube abut.In transmission blood specimen, blood collection tube with blood specimen is placed in first buffer sleeve, then cylinder cover is connected with main body cylinder cover and fixed blood collection tube.The blood specimen transmission cylinder of the utility model can effectively avoid specimen spilling and hemolysis problem in transmission process, specifically, blood collection tube is placed in first buffer sleeve, the impact of transport vibration on blood collection tube is reduced using the buffer effect of sleeve, and the stability of tube body is enhanced, so as to prevent hemolysis;In addition, cylinder cover and main body cylinder are reliably fixed by clamping structure, and the pre-tightening pressure exerted on blood collection tube cap by cylinder cover inner wall can prevent tube cap from loosening and avoid spilling.

This utility model discloses a system based on refrigerant control in a temperature chamber, including a temperature chamber with a temperature sensor installed on the inner side wall. An internal refrigerant storage tank is installed inside the temperature chamber, and a pressure sensor is installed inside the internal refrigerant storage tank. The inlet of the internal refrigerant storage tank is connected to the outlet of an external refrigerant storage tank via a first connecting pipe, and the outlet of the internal refrigerant storage tank is connected to the inlet of the external refrigerant storage tank via a second connecting pipe. An inlet control valve is installed in the middle of the first connecting pipe, and the inlet control valve is electrically connected to the refrigerant core control system. An outlet control valve is installed in the middle of the second connecting pipe, and the outlet control valve is electrically connected to the refrigerant core control system. The refrigerant core control system is connected to the pressure sensor and the temperature sensor via data lines. This system requires no manual operation, has a high degree of automation, and is less prone to temperature chamber malfunctions and equipment damage.

This invention discloses a telescopic belt conveyor, belonging to the field of belt conveyor technology. It aims to solve the technical problem of the limited conveying form of traditional equipment in complex and changing working conditions. The invention includes a conveyor frame with a telescopic structure, a drive cabinet arranged on one side of the conveyor frame, and a roller mechanism arranged on the conveyor frame. This invention utilizes the spatial displacement of several roller group modules and the arc shape formed by the coordinated bending of these modules to guide materials towards the center through the centripetal guiding force generated by the curved surface, effectively solving the problems of spillage and uneven loading in bulk material conveying. By controlling the radial expansion of the combined components between the cylindrical components to form a cam structure, and coordinating with the alternating convergence of adjacent modules, the conveyor belt is forced to form a wave-shaped cross-section. The difference in the height of the crests and troughs simultaneously accommodates and limits bulk materials and forms multi-point anti-rolling contact for large materials, significantly improving conveying stability.

The perfume bottle comprises a bottle body, a containing cavity is formed in the bottle body, a liquid outlet and a connecting opening are formed in the upper end and the lower end of the containing cavity respectively, and an annular sealing gasket is arranged at the top of the containing cavity. The bottom cover is in threaded connection with the connecting port, a fixing groove is formed in the bottom cover, and a suction cup is arranged on the bottom surface of the bottom cover; the solution bottle is fixed in the fixing groove, a liquid adding opening is formed in the top of the solution bottle and communicated with the liquid outlet, and the edge of the liquid adding opening abuts against the annular sealing gasket. When a user needs to add liquid, the solution bottle and the bottom cover are taken down from the bottle body, the user can easily add the liquid through the liquid adding opening with the larger diameter in the solution bottle, the bottom cover and the solution bottle can be adsorbed and fixed to a table top through the suction cup, operation of the user is facilitated, perfume is prevented from being spilled out in the liquid adding process, and waste of the perfume is reduced.

The utility model provides a material flow control device and material flow conveying equipment, and relates to the technical field of material flow control, the control device comprises a flow channel body, the flow channel body is arranged in an inclined manner, the bottom end of the flow channel body is provided with a through hole, and the interior of the flow channel body is used for material circulation; the top end of the adjusting plate is hinged to the top of the through hole, and the adjusting plate is used for blocking materials flowing out of the through hole; the counterweight body is arranged on one side, far away from the through hole, of the adjusting plate; when materials fall into the runner body, the materials eject the adjusting plate open under the action of gravity and impact force, when the materials are increased, the gravity and the impact force are also increased, the adjusting plate continues to be partially ejected upwards so that the appropriate material flow can be achieved, the adjusting plate can be turned over when the materials in the runner body are increased or decreased, and therefore the flow rate of the materials in the runner body can be increased or decreased. The material flow can be automatically adjusted according to the quantity of materials by adjusting the opening degree of the through hole, so that the labor burden of post workers is greatly relieved, the use is very convenient, and the working efficiency is improved.

The utility model belongs to the field of mechanical manufacturing and hot processing technology, and specifically relates to an automatic material pouring device for hot die forging production, the turnover frame top is provided with two transmission rollers, all are rotationally provided with rotary rods on the two transmission rollers, all are provided with toothed driven wheels on the two rotary rods, both sides of the turnover frame are provided with a motor support, and transmission motors are installed on the two motor supports, when the transmission block drives the turnover gear on the rotary rod to move upwards to a certain position, the turnover gear and the turnover rack are meshed to drive, automatic turnover of the hopper box is realized, the design does not need an additional power device to drive the turnover of the hopper box, the structure of the equipment is simplified, the manufacturing cost and the maintenance difficulty of the equipment are reduced, the turnover angle of the hopper box can be accurately controlled through reasonable design of the parameters of the turnover gear and the turnover rack, the turnover angle can be adjusted according to different hot die forging production requirements, and it is ensured that the materials can be completely poured out.

The utility model discloses a kind of sodium ion battery processing electrolyte filling mechanism, including workbench and liquid storage tank, the upper surface of the liquid storage tank is fixedly installed on workbench, the upper surface of the liquid storage tank is connected with liquid inlet pipe, the upper surface of the workbench is fixedly installed with liquid pump, the water inlet of the liquid pump is fixedly installed with liquid suction pipe, the bottom end of the liquid suction pipe is connected with the bottom of liquid storage tank, the water outlet of the liquid pump is fixedly installed with liquid pipe.The utility model, by being set up the cooperation of workbench, liquid storage tank, liquid pump, liquid suction pipe, liquid pipe, valve, extension pipe, liquid storage grid, liquid outlet pipe and liquid outlet head component, the function of replacing liquid outlet head quickly and conveniently is realized, the installation mode of the liquid outlet head in existing device is improved, so that when liquid outlet head is blocked or damaged, liquid outlet head can be quickly replaced, the processing efficiency of sodium ion battery is improved.

This utility model relates to the field of material handling vehicle technology, and particularly to a material bucket transfer and tilting vehicle. The material bucket transfer and tilting vehicle includes a support, a base, a clamping seat, a lifting module, a clamping module, and a tilting mechanism. The support has a frame, a first pulley, and a handle; the base has a second pulley at its front end and is connected to the support at its rear end; the clamping seat has an axle at its front end and is connected to the support at its rear end; the lifting module is located inside the support and includes a transmission mechanism and a traction component; the clamping module is located inside the clamping seat and includes a support rod, a clamping component, a semi-circular retaining clamp, and a movable clamp; the tilting mechanism is used to control the tilting angle of the clamping module. Through its integrated structural design, the material bucket transfer and tilting vehicle achieves convenient transfer of material buckets and precise tilting of materials inside, reducing labor costs and labor intensity, improving work efficiency, and avoiding material spillage and environmental pollution. It has good versatility and applicability and can be widely used in industrial production, logistics transportation, and warehousing management.

This invention relates to the field of food processing technology, and specifically discloses a conveying device for industrial food processing with an anti-spillage structure. The device includes a working platform, a first support fixedly connected to the top of the working platform, an anti-spillage adjustment device fixedly connected to the top of the first support, a cleaning device fixedly connected to the inner wall of the first support below the belt conveyor, an automatic feeding device fixedly connected to the top of the working platform on one side of the first support, and a material distribution device rotatably connected to the top of the working platform on one side of the first support. This conveying device for industrial food processing with an anti-spillage structure, equipped with an anti-spillage adjustment device, ensures stable material transport along a predetermined path, preventing accumulation or spillage. The cleaning device prevents food debris from adhering to the conveyor belt, avoiding contamination of subsequent batches of products and improving product quality.

The utility model discloses a driving assembly for grinding and cleaning small parts, which belongs to the technical field of small part conveying and comprises a rotating shaft rotationally connected to the outer wall of a box. The rotating shaft is fixedly connected with a driving magnetic wheel; one end, close to the rotating shaft, of the conveying shaft extends out of the box body and is fixedly connected with a driven magnetic wheel; the driving assemblies such as the rotating shaft, the driving magnetic wheel and the driven magnetic wheel are designed on the outer side of the box body, so that during later maintenance, the driving assemblies do not need to enter the box body, a worker can perform maintenance directly on the outer side of the box body quickly and conveniently, meanwhile, the driving assemblies are designed on the outer side of the box body, and it is avoided that during grinding and cleaning, the grinding efficiency is greatly improved. Liquid is splashed to the surface of the driving assembly, the corrosion problem is avoided, and the working life is ensured.

The utility model relates to the technical field of bill punching, and discloses an accounting bill processing device for an accountant, which comprises a base, the upper surface of the base is fixedly connected with a box body, the lower part of the box body is provided with a pressing plate, and the bottom of the pressing plate is provided with an adjusting mechanism; the adjusting mechanism comprises a guide plate fixedly connected to the bottom of the pressing plate, a moving block is slidably connected to the outer wall of the guide plate, an adjusting plate is fixedly connected to the bottom of the moving block, a sliding block is slidably connected to the inner wall of the bottom of the pressing plate, and a limiting assembly is arranged on the front surface of the pressing plate. A storage assembly is arranged on the inner wall of the left side of the base. According to the bill punching device, after locking is unlocked, the sliding block, the movable column and the punching head can be driven to synchronously move at equal intervals by pushing the adjusting plate, no extra tool is needed in the whole process, the punching requirements of bills of different specifications can be rapidly met only through ingenious cooperation of a mechanical structure, and operation is convenient and fast.

The application discloses a charcoal basin support structure of an oven and the charcoal basin. The charcoal basin support structure comprises a pair of support rods which are arranged in the oven cavity at a distance from each other; and the charcoal basin which is detachably placed on the pair of support rods, and comprises a bottom surface and a pair of limiting pieces arranged on both sides of the bottom surface. When the charcoal basin is placed on the support rods, the pair of limiting pieces abut against the pair of support rods respectively to limit displacement of the charcoal basin relative to the support rods. Through cooperation of the limiting pieces and the support rods in the charcoal basin support structure of the oven, the charcoal basin is fixedly arranged in the oven cavity, and shaking or displacement of the charcoal basin during use is avoided, so that uniformity of roasting effect is ensured, and use stability of the oven is improved. The plurality of limiting pieces are connected through the first horizontal section, and the connecting part is also arranged in close contact with the support rod, so that stability of the charcoal basin is further improved.

This utility model relates to the field of vibratory feeder technology and discloses a vibratory feeder for a flow regulator, including a base, a sliding frame slidably connected inside the base, a supporting shell fixedly connected to the top of the sliding frame, a sliding rod slidably connected inside the supporting shell, and a vibratory feeder fixedly connected to the top of the sliding rod. This utility model utilizes the linear displacement characteristics of the threaded rod to precisely control the position of the moving block, thereby flexibly adjusting the rotation radius of the connecting column. This design allows the vibration amplitude to be adjusted in real time according to material characteristics such as weight, surface friction coefficient, or flow requirements, enhancing the equipment's adaptability to different working conditions. The threaded connection structure avoids the risk of slippage or jamming of the moving block, while the meshing of the first bevel gear with the drive motor transmits high torque, ensuring smooth and controllable changes in vibration amplitude during adjustment, and preventing material spillage or equipment resonance caused by sudden changes.

The invention discloses grinding equipment for machining water pump accessories, and relates to the field of grinding equipment, the grinding equipment comprises a grinding main machine, a grinding cover and a driving motor are mounted on the grinding main machine, a grinding wheel is rotatably mounted in the grinding cover, the grinding wheel is in transmission connection with the driving motor, and an operation table is mounted on the grinding cover. It needs to be explained that in the embodiment of the invention, the operation table is closed through the inner protective cover and the outer protective cover, splashed dust and impurities are shielded, meanwhile, during grinding, one hand moves an arc-shaped locking plate downwards, then the other hand moves the accessory, the accessory is ground by a grinding wheel, the accessory rolls on a plurality of balls, and therefore the accessory can be ground conveniently. And the problem that the two hands of a worker need to grab accessories for machining can be effectively solved, so that the problem that the hands of the worker are prone to being injured due to contact with a grinding wheel when the worker grinds the accessories can be effectively solved, and potential safety hazards are effectively eliminated.

This utility model relates to the field of food testing equipment technology, and discloses a food testing box for walnut milk production with a scraping structure. The box includes a body, a liquid level window fixedly provided on the surface of the body, a liquid level gauge fixedly provided on one side of the liquid level window, a scraper slidably provided inside the body, a silicone ring engaging with the surface of the scraper, a buckle hinged to the top of the body, and a lid engaging with the top of the body. A retainer is fixedly provided on the surface of the lid to engage with the buckle. The box can store walnut milk samples, and the liquid level can be observed through the liquid level window and gauge. The lid can be engaged with the buckle and retainer, allowing the scraper to be positioned inside the box. The silicone ring seals the scraper within the box, facilitating easy transport of the box, preventing sample spillage, and preventing sample contamination. A support assembly provides support for the box.

The utility model provides a kind of anti-leakage type automatic water fountain fixing base, it is related to drinking water equipment technical field, including fixed part, fixed part bottom is equipped with water storage part, fixed part peripheral surface is fixed with extension piece, extension piece inner wall is fixed with mounting part, extension piece one end is slidably connected with drinking water part, extension piece inner wall both sides are all equipped with L type groove, drinking water part one side is fixed with multiple L type pieces, L type piece side surface is slidably connected with L type groove inner wall.The utility model has realized by the elastic potential energy of lifting spring to make drinking water part when water is less gradually be lifted up, make L type piece ascend to make water baffle leave water channel, make water storage part water pass through water channel and hose and finally by shielding plate flow to drinking water part, when water is more, its dead weight makes drinking water part descend water baffle and block mounting part water channel, to form automatic water inlet and water blocking without floating ball, prevent water from being wrongly injected to cause water frequent overflow and leak, reach the purpose of improving anti-leakage.

The utility model discloses a high-temperature resistant layered lunch box, which relates to the technical field of lunch boxes and comprises an outer barrel, a plurality of groups of supporting blocks are fixedly mounted on the inner side of the outer barrel, the supporting blocks are fixedly connected with the inner wall of the outer barrel, each supporting block is of an L-shaped structure, a heat insulation layer is arranged between the supporting blocks and made of aerogel felt, and a heat insulation ring is fixedly connected to the bottom of the outer barrel. The outer barrel, the supporting block and the heat insulation ring are all made of heat insulation plastic materials. The L-shaped supporting blocks on the inner side of the outer barrel are connected with the buckles of the inner barrel, and the inner barrel and the isolation barrel are connected through the protruding blocks and the first open grooves, so that the overall structure of the meal box is stable, food is prevented from being spilled out, and the meal box preliminarily has heat insulation capacity; the buckle connection of the top cover is convenient to operate and good in sealing performance, the exhaust hole solves the problem of steam pressure of high-temperature food, use safety is guaranteed, the sealing cover at the top of the isolation barrel prevents smell of the food from diffusing, a user can place the food in a layered mode conveniently through the lunch box, and the heat insulation structure and material meet different heat insulation requirements of high-temperature and cold food.

The application relates to the technical field of foundation pit backfilling, in particular to a foundation pit backfilling process and a foundation pit bottom cleaning device, which comprises a foundation pit bottom cleaning device, the foundation pit bottom cleaning device comprises a bearing bottom frame, loading support rods are correspondingly arranged on the front upper side of the bearing bottom frame, a bearing frame is arranged at the upper end of the loading support rod, and a conveying assembly is mounted on the front side of the bearing frame; the foundation pit bottom cleaning device can realize height regulation and control of the conveying assembly, so that the conveying assembly can better clean the garbage generated during the foundation pit bottom cleaning; the bearing frame in the foundation pit bottom cleaning device is obliquely arranged, the stress stability of the conveying assembly during garbage bearing and transportation is higher, the positioning and guiding effect of the winding wheel during the winding of the steel cable is good under the action of the guide wheel, the lifting control effect of the conveying assembly is better, the stress stability is higher, the overall use effect during the foundation pit bottom cleaning is good, and the efficiency is high.

The utility model relates to the technical field of oil field fracturing operation, in particular to a separator and dry powder continuous mixing equipment. Wherein the separator comprises a separator main body, the separator main body is provided with a liquid inlet end and a discharge end in the length direction, and a cavity is formed in the separator main body; the first liquid inlet is positioned at the liquid inlet end and is used for introducing an external solution; the first discharge port is positioned at the discharge end and is used for discharging the mixed solution; the spiral flow deflector extends from the liquid inlet end to the discharge end and is used for increasing the stroke of the solution in the cavity; and the first liquid inlet and the first outlet are both eccentrically arranged. According to the technical scheme, the first liquid inlet and the first discharge port are eccentrically arranged, so that the stroke of a solution in the separator can be increased, the solution is greatly impacted by the pipe wall in the separator, and the mixing effect is improved.

The utility model discloses a kind of heating devices for fork truck, it is related to fork truck article field, including outer frame, the outer frame upper end is equipped with screw rod, the screw rod one end is equipped with retaining bolt, the retaining bolt lower end is equipped with top pressure plate, the outer frame inner end is equipped with hot wire plate, the hot wire plate upper end is equipped with fan, the outer frame one end is equipped with side bearing hole, the side bearing hole one end is equipped with film mounting rod, the film mounting rod one end is equipped with connecting rod gear. The utility model is equipped with outer frame, windproof film, bottom pull rod and mountain hook, bottom pull rod is pulled down, and windproof film is spread in the fork truck four hollow positions, windproof film is transparently set, and mountain hook is fixed by screw at the bottom of the fork truck around, the ring buckle on the both sides of bottom pull rod is engaged with mountain hook, a heating area can be formed by the windproof film spread on four sides, prevent hot air from being too fast, and the heat preservation effect of device heating is improved.

This invention relates to the field of laboratory analytical instrument technology, specifically to a water bath nitrogen blowing device, comprising a water bath nitrogen blowing instrument, a drain pipe fixedly connected to one end of the drain pipe, and a wastewater tank fixedly connected to one end of the drain pipe. A protrusion is fixedly installed inside the wastewater tank, and the protrusion has multiple sets of first straight grooves, inclined grooves, and second straight grooves. A hydraulic rod is installed at the upper end of the wastewater tank, and a fixed box is installed at the power output end of the hydraulic rod. Multiple sample collection tubes are installed inside the fixed box for sampling wastewater. Each sample collection tube has a sliding sealing rod slidably connected inside, and a sliding ball is fixedly connected to one end of the sliding sealing rod. The sliding ball is slidably connected to each of the first straight groove, inclined groove, and second straight groove. This device can automatically sample wastewater at different depths when sampling and testing is required.