37results about How to "Prevent floating" patented technology

The utility model relates to concrete admixture adding equipment technical field provides a quantitative filling device for concrete admixture production, including base frame, be located on the admixture buffer tank of base frame and the spiral conveyor that connects in proper order first and last, quantitative conveying component, vibration subassembly, agitator jar. The inlet of spiral conveyor is located at the outlet of admixture buffer tank. The weighing assembly is equipped below the vibration subassembly, the supporting seat is equipped below the weighing assembly, and the supporting seat is height -adjustable with base frame. Quantitative conveying component includes upper connecting pipe, lower output pipe and quantitative valve connected between upper connecting pipe and lower output pipe, and the outlet end of lower output pipe is equipped with the blocking plate of pivotal connection. Admixture quantitative delivery reaches in lower output pipe, and the blocking plate is driven to open the outlet of lower output pipe, and the weighing assembly weighs the admixture falling on the vibration subassembly. The utility model guarantees the measurement accurate condition of admixture addition, avoids the dust floating caused by the leakage of admixture, and guarantees the construction environment.

The utility model provides an outdoor rain -proof rat poison bait station relates to rat killing technical field, the utility model discloses a ceramic cylinder, the section of ceramic cylinder vertical direction is the shape of quarter circle, the bottom of ceramic cylinder inner wall is provided with the poison bait box, is provided with rain -proof device between poison bait box and ceramic cylinder, rain -proof device is blocked respectively to both sides of poison bait box through the setting of two baffle, the utility model discloses a baffle, the position of baffle is adjusted, and poison bait box is placed between two baffles, and the height of baffle is higher than the height of both sides of poison bait box, then two baffles can be blocked respectively to the top of both sides of poison bait box, is favorable to prevent rainwater from entering poison bait box from both ends of ceramic cylinder under the action of wind force and leads to poison bait to be wet and be polluted, and then is favorable to prevent the drug of poison bait to drop and poison bait to separate ceramic cylinder and cause the pollution around poison bait station.

This application relates to a dining table and dining kit. The dining table includes a tabletop, heating elements, and an identification element. The tabletop has a placement surface with multiple independent heating zones. The heating elements are located within the tabletop and are used for heating. Each heating element corresponds to one heating zone, and each heating element can be independently controlled. The identification element is located within the tabletop and is used to identify the type of food package placed in the heating zone. The identification element corresponds to one heating zone. This solution uses the identification element to identify the type of food package in the heating zone, providing a basis for controlling the selected temperature for heating the food package. By controlling the opening and closing of the corresponding heating elements, the temperature of food packages in different heating zones can be controlled, achieving the effect of maintaining different temperatures according to the different types of food packages. This solves the problem of food cooling down and reducing its taste during meals.

The utility model relates to medical equipment technical field especially, and more particularly to a kind of medical waste storage trolley, including domestic garbage bin, spare material box, side garbage bin, infection garbage bin and sharp instrument box fixing frame, the domestic garbage bin is hollow rectangular structure with top opening, the top of the spare material box is connected with the bottom of the domestic garbage bin, the spare material box is hollow rectangular structure, square hole is equipped in the middle of its front and back wall, the bottom four corners of the spare material box are equipped with trundle.The utility model can store westlin bottle and ampoule bottle by side garbage bin, infection garbage can be stored after infection garbage such as cotton swab and gauze by infection garbage bin, by setting sharp instrument box fixing frame, sharp instrument box can be fixed on its round hole, it is convenient to store needle and other sharp instruments, to realize the needs of various medical waste classification storage.

This invention relates to the field of wastewater treatment technology, and in particular to a circulating water treatment system and method for a high-density sedimentation tank. The system includes a tank body with a top plate fixedly installed on its upper surface. A mixing zone and an inclined tube sedimentation zone are respectively arranged at the front and rear of the inner side of the tank body. A guide tube is fixedly installed between the mixing zone and the inclined tube sedimentation zone. A drive shaft is installed on the inner side of the guide tube via a drive mechanism. A guide vane is fixedly installed at the lower end of the drive shaft. A defoaming disc is fixedly sleeved on the outer surface of the drive shaft, near the top of the guide tube. This invention achieves efficient defoaming and flow stabilization through rotating defoaming ribs and a lower arched surface, preventing sludge from floating. Simultaneously, it automatically switches the rotation state of the defoaming ribs based on changes in liquid level, performing synchronous defoaming during normal operation and automatic relative rotation for self-cleaning during maintenance. This significantly improves sedimentation efficiency and reduces maintenance difficulty.

The present disclosure relates to the technical field of optical fiber temperature measuring devices, and an embodiment of the present disclosure provides an optical fiber temperature measuring device for monitoring the temperature of an underground coal mine environment, which comprises a dustproof cover, a dust baffle, an adjusting plate and an adjusting assembly. The dustproof cover is arranged on a movable frame through a limiting assembly, and one side of the dustproof cover is open. The dust baffle is slidably installed in the dustproof cover through a lifting assembly. Two adjusting plates are arranged, and the two adjusting plates are slidably installed in the interior of the dustproof cover. The adjusting assembly is arranged on the side of the dustproof cover, and the two adjusting plates are arranged on the adjusting assembly. Through the above technical solution, the technical problem that dust in the coal mine easily drifts onto the temperature measuring host when the temperature measuring device is moved into the coal mine for temperature measurement in the prior art is solved.

The utility model provides a kind of building engineering anti-floating structure, it is related to building engineering field, including underground continuous wall, building outer wall, double-layer waterproof raft board and uplift pile;Building outer wall is located underground continuous wall side, and the part of building outer wall close to underground continuous wall is equipped with anti-floating gable structure;Underground continuous wall is equipped with with anti-floating gable structure sub-mother buckle gable groove;Double-layer waterproof raft board is located underground continuous wall side and is located building outer wall bottom, including the upper raft board of laminated arrangement, raft board waterproof layer and lower raft board;Uplift pile upper end is anchored in lower raft board inside, and uplift pile lower end is anchored in ground.The utility model can improve the anti-floating stability of building, at the same time, improve the reliability of building waterproof performance.

The application discloses a four-station lamination feeding equipment of a backlight assembling machine, and relates to the technical field of backlight assembling machines.The equipment comprises a base, a stacking area arranged on the base and used for storing laminations, and a material taking unit used for taking and placing laminations, and a feeding unit is further arranged on the base.The feeding unit comprises two correction blocks which are symmetrically arranged and are in L shapes, a conveying belt arranged on the side of the correction blocks and driven by two driving rollers, and two dust sticking belts located between the correction blocks and the conveying belt.The two dust sticking belts are arranged in an up-down mode and are driven by two driving rollers.The correction blocks can be used for realizing initial positioning correction of laminations, and the guiding effect of the micro-sticking force dust sticking belts can be used for ensuring that the laminations move along a preset path and effectively avoiding position deviation in the conveying process.

The utility model provides a kind of food thawing equipment, solve and add conveying equipment to thawing pool to the thawing of meat block, meat block possibly due to gravity and buoyancy imbalance, leading to the retention and uneven distribution of meat block, and then leading to part of meat block conveying failure, affect the problem of overall thawing efficiency.The utility model is fixed with multiple groups of pole lever on the first conveying belt of the first conveying equipment, pole lever top end is located at thawing water liquid level, meat block is moved to left by transmission effect, can avoid meat block float or stay due to buoyancy effect, while pole lever is spaced along front and back direction, can ensure that meat block is evenly distributed in conveying process, reduce local accumulation.

This utility model discloses a soaking and cleaning device for traditional Chinese medicine with a conveying function, including a soaking tank and a pressing part. The soaking tank has a conveyor belt installed inside, and a spray pipe is installed on the top of the soaking tank. The pressing part is located on the top of the soaking tank and has a support frame fixedly installed on the top of the soaking tank. A drive rod is horizontally rotatably installed inside the support frame, and several lifting frames are vertically installed inside the support frame. The drive rod passes through the lifting frames horizontally and is slidably connected to them. A motor is fixedly installed on the side of the support frame, and the output end of the motor is connected to the drive rod. The motor drives the drive rod to rotate, thereby causing the lifting frames to periodically slide up and down. By providing a pressing part, this utility model can control the up and down movement of the lifting frames by rotating the drive rod driven by the motor, so that the traditional Chinese medicine floating on the water surface can be pressed down to the surface, allowing water to fully penetrate into the medicine.

The utility model relates to a kind of adjustable body position pad for nuclear magnetic examination body position, comprising: body position pad ontology, body position pad ontology is wedge type;A pair of arm placing grooves, a pair of arm placing grooves are symmetrically arranged on the upper end surface of body position pad ontology;A pair of straps, a pair of straps are respectively arranged on the two sides of body position pad ontology, for fixing the forearm or wrist of examinee placed in a pair of arm placing grooves.The utility model provides a kind of adjustable body position pad for nuclear magnetic examination body position, the arm of the examinee is lifted by this body position pad, prevent arm to hang in air, when nuclear magnetic MR scanning, bring better comfort to examinee.For the forearm of conscious examinee, it can be placed on the arm placing groove above head by oneself, but for the forearm of unconscious examinee, it can be bound on the arm placing groove by strap.

The utility model discloses a massage mechanism of a massage chair self-adaptive to leg lengths. The massage mechanism aims at solving the problem that a traditional massage chair cannot be self-adaptive to users with different leg lengths. The device comprises a foot massage mechanism, a leg massage mechanism, a slidable telescopic mechanism, an air bag, a foot in-place sensor, a leg in-place sensor, an intelligent controller and an electromagnetic reversing valve. Whether the feet and the legs of a user are in place or not is detected through the sensors, the intelligent controller controls the electromagnetic reversing valves according to feedback signals, inflation and deflation of the air bags are achieved, and the relative distance between the two massage mechanisms is adjusted to adapt to different leg lengths.

The utility model relates to microphone technical field, concretely relates to a kind of suspension structure for microphone, including substrate, clamping plate and locking assembly, clamping plate includes the adjusting head and at least two hanging heads that are buckled articulation sequentially from top to bottom, each hanging head has the suspension space for clamping microphone, and the size of each suspension space is different.The suspension structure of the utility model is through sliding and rotating modular design hanging head, and different size suspension space can be quickly selected, and the suspension demand of different specifications microphone is adapted.Besides, the flexible unfolding or folding of hanging head is made by buckle type hinge connection, and locking assembly is locked, to ensure stable clamping, while reducing operation steps, improve efficiency.Secondly, hanging head is connected by buckle type hinge, supports overall disassembly and freely adjusts position, and user can rearrange hanging head according to demand, flexibly adjusts the position of required hanging head, and optimizes use experience.

The utility model discloses a grinder cutter head structure with shield, including cutter head structure main part, the cutter head structure main part includes the installation shell, the inside of installation shell is fixed with the grinder cutter head through the installation shaft and bolt, the top of installation shell is integrally provided with the mounting seat, the inside both sides of mounting seat all are equipped with the internal thread hole, through design prevent splashing dust collection mechanism, can install cutter head structure main part after grinding treatment, and the metal protective cover and the brush protective cover effectively prevent the post -grinding debris from floating, and the negative pressure is produced to the inside of dust collection cavity with the second air return pipe and dust collection cover, and the debris produced on the inner surface of metal protective cover and brush protective cover enters the inside of dust collection cavity through even air inlet hole plate even, and the second dust collection makes the grinding debris be sucked and handled, reduces the product end face foreign matter of grinding simultaneously, and the heat produced on the surface of grinder cutter head is sucked when dust collection handles it, and the heat treatment is convenient.

This utility model provides a dust cleaning device for a masterbatch mixing silo, relating to the field of masterbatch mixing silos. The device includes a mixing silo with a dust collection hood on top. A discharge silo is located on top of the dust collection hood. A through-hole is opened in the top of the discharge silo and a sealed box is fixedly connected thereto. Multiple rotating rods are rotatably connected inside the discharge silo, and baffles are fixedly connected to the outer sides of the rotating rods. A feed pipe is fixedly connected to the through-hole in the top of the mixing silo. This utility model allows for free opening and closing of the mixing silo during use, preventing dust from escaping during mixing and facilitating discharge. Furthermore, the device effectively absorbs and seals the dust during discharge, reducing dust escape and solving the environmental pollution and raw material waste caused by dust overflow from the mixing silo during masterbatch production, particularly addressing the difficulty in effectively controlling dust escape during the feeding process.

The utility model discloses a glass ball conveying track cleaning device relates to glass ball production technical field, including cleaning frame, the lower end both sides of cleaning frame all are fixedly connected with mounting seat, the inside of both sides of cleaning frame all are seted up with side chamber, the both sides of cleaning frame all are fixedly connected with air inlet, and air inlet is linked with side chamber, and the side of side chamber is seted up with the communicating port, and the both sides of cleaning frame inside all are height connection with the limit card seat, and the inside plug -in of limit card seat is fixed with the connecting plate, the utility model discloses the setting of air inlet and air jet nozzle can be in use, through the intermittent jet of both sides air jet nozzles in cleaning frame, can blow glass ball and roll left and right, cooperate airflow, can make the dust on glass ball separate, and simultaneously the design utilizes the rolling of glass ball, can make glass ball surface blow gas more uniform, can make glass ball surface dustless, guarantee the cleaning of glass ball surface, to guarantee the adhesion effect of glass ball later coating.

The application discloses a circuit board assembly and a digital key entry module, comprising: a first circuit board, a first avoiding hole for avoiding a positioning column in a shell is formed in the first circuit board; a second circuit board, a positioning clamping hole for clamping with the positioning column is formed in the second circuit board, one of the first circuit board and the second circuit board is an antenna circuit board, and the other is a device circuit board; and a row of pins, pin pins of the row of pins are respectively welded on the first circuit board and the second circuit board. When assembling, the positioning column in the shell passes through the first avoiding hole of the first circuit board and is clamped in the positioning clamping hole of the second circuit board, and only the mutual fixing constraint of the second circuit board and the shell is needed, so that the problem that the welding points of the row of pins are damaged due to the fact that the first circuit board and the second circuit board both need to be clamped with the positioning column. Moreover, the mutual fixing constraint of the second circuit board and the shell can also prevent the circuit board assembly from being floated up due to the buoyancy generated during glue pouring, and the glue pouring failure risk is reduced.

The utility model discloses a rubber tube production extruding device belongs to rubber tube processing technical field, including installation platform, the top embedded installation of installation platform is used for extruding rubber tube's extruding cylinder, and the lateral surface of extruding cylinder is installed extruding head, and the top of extruding cylinder is communicated with the material cylinder, and the lateral surface of material cylinder is installed and is used for raw material melting's heating component, and the top of material cylinder is communicated with the feed inlet, and the inner side of feed inlet is connected with two auxiliary plates through hinged joint, and the inner side of feed inlet is installed with a plurality of mounting plates, and the fixed connection with guide rod is installed between two mounting plates, and the outer periphery sliding connection of guide rod has movable block, and the bottom between movable block and mounting plate is installed with return spring, and the lateral surface of movable block is connected with movable rod through hinged joint, and the end of movable rod away from movable block is connected with auxiliary plate hinged joint. The rubber tube production extruding device can automatically close the feeding port, effectively prevent the peculiar smell gas from floating out, greatly reduce the working strength of staff.

This utility model discloses a foldable silkworm excrement medicinal pillow, including a cloth cover. The interior of the cloth cover is divided into a storage slot, a placement layer, and an installation slot from top to bottom. The storage slot is used to store silkworm excrement core packets, the placement layer is used to place a cold or heat source, and the installation slot houses a main latex pad. A latex pad assembly is movably mounted at one end of the bottom of the cloth cover, allowing the main latex pad and the latex pad assembly to fold together. This foldable silkworm excrement medicinal pillow features a foldable structure, facilitating height adjustment. Using silkworm excrement as support improves patient comfort, prevents the shoulder, elbow, and wrist joints from being unsupported, and allows the injured limb to rest naturally on the silkworm excrement. External application of heat can provide therapeutic benefits, thus alleviating swelling and pain in the injured limb to some extent. It is multifunctional and convenient to use.

This utility model provides a hollow formwork box with a built-in anchoring device, relating to the field of building construction technology. The hollow formwork box includes a box body, a first threaded rod, a second threaded rod, a connecting nut, cross reinforcing ribs, a top reinforcing rib, and a U-shaped clip. By setting cross reinforcing ribs and a top reinforcing rib inside the box body and connecting them to the first threaded rod, not only is the structural stability of the box body enhanced, but the position of the first threaded rod is also limited. At the same time, the first threaded rod is set on the box body to prevent the structure of the box body from being damaged by buoyancy during the concrete pouring process. The U-shaped clip set on the second threaded rod will fix the first threaded rod to the floor formwork through the connecting nut, effectively preventing the formwork box from floating. This solves the technical problems of high cost, large workload, and the risk of the formwork box floating in the existing construction process.

The application relates to the technical field of dredging engineering equipment, and discloses a dredger overflow cylinder, which comprises a base, a lifting cylinder is arranged in the base in a sliding mode, three slide rods are fixedly arranged at the convex edges of the base, the top of the lifting cylinder is funnel-shaped, the top of the slide rod penetrates the top funnel of the lifting cylinder and is fixedly installed with a triangular platform, and a hydraulic oil cylinder is fixedly installed in the middle of the triangular platform. The dredger overflow cylinder solves the problems that, in the prior art, when a large amount of low-concentration mud and sand mixture is discharged from the cabin through the overflow cylinder, a large amount of turbid liquid impacts downward based on the height of the overflow cylinder, a large impact force exists, and the turbid liquid flowing into the overflow cylinder also has a large water pressure, so that, during the discharge of the turbid liquid, the impact force and the water pressure of the turbid liquid in the overflow cylinder can only be discharged and cannot be well utilized, and energy is wasted.

The utility model relates to cement product raw material screening technical field, and disclose a kind of raw material screening device for cement product manufacturing, including screening component and the material collecting frame in the one side of screening component, the inner wall both sides of vertical frame are all provided with locating groove, and the inside of vertical frame and below the sliding installation of driving component have moving frame, the inside of material collecting frame is installed with sealing plate, the inside of sealing plate and in the inside of material collecting frame is installed with U-shaped insert frame A and U-shaped insert frame B, the inside of U-shaped insert frame A and U-shaped insert frame B is installed with screen, when moving frame and sealing plate move up and down, inner moving plate moves up and down in the inside of material collecting frame, and the raw material in the inside of material collecting frame is discharged into the inside of moving frame by L-shaped moving pipe, raw material is screened by screen installed in the inside of U-shaped insert frame A, and the raw material falling into the top end of screen in the inside of U-shaped insert frame B is screened again, and the screened raw material is discharged into the inside of collecting frame, and the component of vertical frame and material collecting frame will avoid dust produced by screening from floating out of device.

This utility model relates to the field of explosion-proof can technology, specifically a composite explosion-proof can easy-open lid, including a can body, a lid mechanism at the top of the can body, a can bottom fixedly installed on the can body away from the lid mechanism, one side of the can bottom being concave, and the lid mechanism including a can lid, which is fixedly installed on the side of the can body away from the can bottom. This utility model uses a small pull groove to pull a small pull plate, causing it to flip through a small flip groove, thereby opening a second scoring plate, allowing the user to drink through a straw. This avoids the inconvenience of drinking due to an excessively large opening. Furthermore, after the straw is opened by pulling open the second scoring plate, the opening is relatively small, so the friction between the straw and the opening after insertion prevents the straw from floating, thus avoiding the need for the user to continuously straighten the straw during use.

The utility model discloses a kind of die cutting device suitable for high-precision positioning relating to die cutting equipment technical field, including workbench, the upper end both sides of workbench are respectively fixedly installed with vertical plate, positioning mechanism is arranged between two vertical plate, the middle part of workbench is provided with mounting groove, sliding insertion collecting box is equipped in the mounting groove, the opening position of collecting box is fixedly installed with fixed plate, multiple feed ports are opened in the fixed plate, the below of each row feed port is respectively provided with baffle, the utility model positioning plate and L type plate are F-shaped distribution, the bottom of flexible circuit board can be supported by L type plate, by the feed port of upper wide lower narrow style, it can avoid the debris accumulated inside collecting box in the air flow effect of air pump to be opposite direction and float out of collecting box, simultaneously, the baffle of inverted V-shaped structure arranged below feed port can further avoid debris from collecting box to float out.

This utility model discloses a composite wear-resistant shoe upper stitching machine, including a workbench. A stitching machine head and a stitching table are mounted on the top of the workbench. A first support assembly and a second support assembly are mounted on the top of the workbench, with the second support assembly having the same structure as the first support assembly. The first support assembly includes a first sleeve fixed to the top side of the workbench, with a first adjusting rod inserted into the top of the first sleeve. A first fixing plate is slidably connected to the top of the first sleeve, and the first fixing plate has an arc-shaped structure. A first support pad is mounted on the top of the first fixing plate. A second sleeve is rotatably connected to the end side of the workbench, with a second fixing plate slidably connected to one end of the second sleeve. A second support pad is fixedly connected to the top of the second fixing plate, and a connecting cloth connects the second support pad and the first support pad. This device can support the worker's arms during the stitching process, thereby preventing the arms from dangling in the air, improving the stability of the worker holding the shoe upper, and improving the quality of the shoe upper stitching.

This application discloses a locking device for preventing a reinforcing cage from floating, comprising a reinforcing cage including longitudinal bars and stirrups, and further comprising: a support rod connected to the reinforcing cage; a pressure plate movably disposed on the support rod and located inside the reinforcing cage; an anti-buoyancy rod, one end of which is rotatably connected to the pressure plate; a bottom rod disposed on the support rod; and a diagonal brace, one end of which is rotatably connected to the bottom rod, and the other end of which is rotatably connected to the anti-buoyancy rod. When concrete is poured into the borehole, the concrete is poured towards the pressure plate inside the reinforcing cage. The concrete impacts the pressure plate, causing it to move downwards. Due to the constraints of the pressure plate and the diagonal brace, during the downward movement of the pressure plate, the anti-buoyancy rod is driven to rotate towards the external space of the reinforcing cage, allowing it to insert into the soil or rock strata surrounding the borehole, forming an anchoring effect and providing downward pressure to the reinforcing cage to prevent it from floating.

The utility model discloses a kind of storage mechanisms for tea bar machine, including box and bucket, cabinet door is hingedly connected in the front of box, storage box is installed in the top of cabinet door, the recess is equipped in the side of storage box away from cabinet door, recess is corresponding in the top of bucket when cabinet door closing state;Box inner wall two sides are symmetrical with rear support column and front support column, rear support column and front support column top are set with storage assembly, recess is corresponding in the top of bucket when cabinet door closing, storage function is ingeniously combined with bucket position, make overall layout more compact and reasonable, optimize the function division of tea bar machine, facilitate user use.Storage assembly is unfolded and used when in box inner wall, entire box is not used to store bucket at this time;When bucket is needed to be used, storage assembly is folded and used;This kind of setting can select multiple use schemes, improve the practical function of overall product.

The utility model provides a kind of foundation beam formwork support system, it is related to building engineering technical field.The system includes formwork, cushion layer, batten, F type steel component, anchor bolt, steel nail.Before construction, multiple F type steel components are distributed horizontally according to reasonable distance, then F type steel component is fixed with cushion layer, F type steel component is fixed on cushion layer using anchor bolt, and firm reliability is guaranteed.Afterwards, formwork is placed into specified position, then batten is inserted to support, and is positioned.After the position is accurately positioned, steel nail is hammered into the perforated place, and batten is fixed with formwork.The utility model effectively solves the technical problems that formwork and cushion layer are not tightly contacted, not firm in foundation beam construction, and formwork is easily displaced or floated when pouring concrete.

A special crane for transporting precast concrete box culverts for subways includes a crane frame, a lifting trolley at the top of the crane frame, a lifting mechanism at the top of the lifting trolley, symmetrically arranged outriggers at the bottom of the crane frame, a trolley traveling mechanism at the bottom of the lower beam, and a lifting device below the lifting trolley. The lifting device includes an upper lifting frame, a movable pulley assembly at the top of the upper lifting frame, the movable pulley assembly being connected to the lifting mechanism of the lifting trolley via a wire rope, a lower lifting frame below the lifting mechanism, a slewing mechanism between the lower and upper lifting frames, a support frame below the lower lifting frame, the top of the support frame being fixed to the lower lifting frame, and sliding beams slidably mounted on the support frame. The outer ends of the sliding beams are equipped with claws for engaging the precast concrete box culverts, and the support frame is equipped with a drive mechanism for driving the four sliding beams to slide. This invention has a simple structure and is easy to use.

The invention relates to the technical field of breathing machines, and discloses an efficient filtering and heat dissipation device of a medical breathing machine, the efficient filtering and heat dissipation device comprises a filtering frame, the top of the filtering frame is fixedly connected with the breathing machine, and a filtering part is arranged in the filtering frame; the filtering component comprises a triangular frame, the surface of the triangular frame is fixedly connected with the inner wall of the breathing machine, a mounting frame is fixedly connected to the bottom of the triangular frame, a clamping groove is formed in the inner wall of the mounting frame, and two side plates are arranged in the mounting frame. When oxygen flows in the filter frame, the sieve pore plate can treat the oxygen entering the filter frame, impurities such as cotton fibers in the oxygen are prevented from entering the filter frame, the filter plate can filter the oxygen again after the sieve pore plate filters the oxygen, and the situation that the quality of the oxygen is poor due to the fact that the oxygen contains the impurities is avoided; when the oxygen in the filter frame enters the breathing machine, the filter bag can filter small particles in the oxygen again.