267results about How to "Guaranteed ventilation effect" patented technology

The invention discloses an energy-saving and environment-friendly intelligent outdoor box-type substation, and belongs to the technical field of box-type substations, and the substation comprises a box-type housing, and the side wall of the box-type housing is provided with a heat dissipation window in a penetrating manner; the sealing assembly comprises a filtering mechanism and a drying mechanism, the filtering mechanism is installed at a port of the heat dissipation window and used for isolating and filtering out particle impurities in the air, the drying mechanism is arranged in the heat dissipation window in a sliding mode and used for adsorbing and removing water vapor in the air, and separation and combination with the filtering mechanism are achieved through sliding of the drying mechanism; the opening is used for opening or closing the radiating window; the flow guide assembly comprises a solar top cover and a fan; the rainfall assembly is arranged at the bottom of the outer edge of the solar top cover and located above the sealing assembly, and the rainfall assembly is used for synchronously driving the sealing assembly and the flow guide assembly during rainfall; and the water accumulation assembly is arranged on the outer side of the bottom of the box type shell and located below the sealing assembly, and the water accumulation assembly is used for locking the water falling assembly and sealing the sealing assembly when water is accumulated on the ground.

The invention belongs to the technical field of oil-immersed transformers, and particularly relates to an oil-immersed transformer with a heat dissipation structure, which comprises a transformer shell, an oil cooling mechanism is arranged on the outer wall of the transformer shell, a mounting seat is fixedly connected to the inner wall of the transformer shell, and a heat absorption sheet is fixedly connected to the bottom of the mounting seat. And a heat dissipation opening is formed in the bottom of the transformer shell, a filter screen is fixedly connected into the heat dissipation opening, and a heat removal cleaning device and an auxiliary cleaning device are arranged below the mounting base. According to the oil-immersed transformer with the heat dissipation structure, by using the heat removal cleaning device, when the temperature in the transformer shell is high and the temperature detected by a temperature sensor reaches the specified temperature of a controller, a double-shaft motor is started, an output shaft of the double-shaft motor rotates to drive a rotating shaft to rotate, and then a heat removal fan is driven to rotate; and heat of the heat absorption sheets is discharged outwards through the heat dissipation openings, so that the heat dissipation effect of the oil-immersed transformer is improved.

The invention belongs to the technical field of baking boxes, and particularly relates to a multi-layer nut automatic overturning baking box which comprises a drying box, a plurality of drying frames are slidably mounted in the drying box, a feeding port is formed in the top end of each drying frame, a discharging port is formed in the bottom end of each drying frame, and vent holes are formed in the top end and the bottom end of each drying frame. A visible door is rotatably mounted on the drying box, a ventilation pipe is rotatably mounted in the drying box, a rotating plate is arranged on the outer wall of the ventilation pipe, the rotating plate is arranged in a cavity, a plurality of air outlets are formed in the rotating plate, the rotating plate is located in the drying frame, and a drying assembly used for conveying hot air towards the interior of the ventilation pipe is arranged in the drying box; through cooperative use of the structures, the nut drying efficiency can be effectively improved.

The invention provides a composite material box structure and a ring main unit, and belongs to the technical field of ring main units. The composite material box body structure comprises a box body, a cooling fan and a dustproof mechanism, a box door is hinged to the side wall of the box body, the cooling fan is installed in an inner cavity of the box body, the dustproof mechanism is installed on the surface of the box body and comprises an installation box, a filter plate and a first toothed plate, the installation box is fixedly installed on the rear portion of the box body, and an installation disc is rotatably installed in an inner cavity of the installation box. By arranging the dustproof mechanism, the box body can be cooled in real time through a cooling fan, and an electric telescopic rod acts regularly through an external timer, so that a mounting disc is driven to rotate by 180 degrees, two filter plates are alternately communicated with ventilation holes, dust in air is filtered, and the service life of the box body is prolonged. Dust on the surface of the filter plate is cleaned through a brush, use is convenient, meanwhile, a fifth gear drives a second toothed plate and the filter plate to move upwards, the brush is tightly attached to the side wall of the filter plate, and the cleaning effect is improved.

The utility model relates to the technical field of building curtain walls, and discloses a double-layer ventilation energy-saving curtain wall which comprises an outer-layer glass curtain wall body and an inner-layer glass curtain wall body, the common top end and the common bottom end of the outer-layer glass curtain wall body and the inner-layer glass curtain wall body are each provided with a ventilation box, and ventilation openings are formed in the side walls, facing the indoor space and the outdoor space, of each ventilation box. A plurality of ventilation boxes are arranged in the outer-layer glass curtain wall and the inner-layer glass curtain wall, a blocking piece used for blocking the ventilation opening is arranged in each ventilation box in a sliding mode, a hollow cavity is defined by the two ventilation boxes, the outer-layer glass curtain wall and the inner-layer glass curtain wall, the ventilation boxes communicate with the hollow cavity, and a cleaning assembly used for cleaning the opposite side walls of the outer-layer glass curtain wall and the inner-layer glass curtain wall is further arranged in the hollow cavity. The double-layer curtain wall has the effect of improving the convenience of cleaning the air buffer layer in the double-layer curtain wall.

The utility model discloses a multi-angle dust suppression machine for building construction, which comprises an arranged rack, a water storage tank is arranged on the rack, an auxiliary cylinder is connected to the water storage tank through a protection box, a rotating assembly is arranged in the protection box, the rotating assembly comprises a double-shaft motor arranged in the protection box, and the double-shaft motor is connected with the auxiliary cylinder through the protection box. The first output end of the double-shaft motor is connected with a half gear, the side end of the half gear is connected with a full gear in a meshed mode, a first rotating shaft is connected into the full gear in a penetrating mode, the end of the first rotating shaft is connected with a rotating disc, and the rotating disc is installed at the bottom of the auxiliary cylinder. According to the multi-angle dust falling machine for building construction, the rotating assembly drives the rotating disc to rotate in the through groove, so that the auxiliary barrel on the rotating disc rotates at an angle, the overall rotating stability is high, dust falling operation is facilitated, the problem that the service life of equipment is shortened due to abrasion is solved, the overall automation degree is high, and the practicability is high. And the problem of inconvenience caused by manual adjustment is reduced.

The invention provides a soft rock roadway large deformation control method, and relates to the technical field of soft rock roadway supporting, and the method comprises the following steps: carrying out a crustal stress test, obtaining a crustal stress distribution rule of a roadway area, and analyzing the relationship between roadway arrangement and a crustal stress field, and the influence of crustal stress on roadway surrounding rock stress distribution; based on a ground stress test result, an anchor net cable, sprayed concrete, U-shaped shed and inverted arch active support system is constructed; according to the method, a series of stress tests and other studies are carried out, a series of relations between crustal stress distribution rules and a coal rock mass structure are obtained, an original passive supporting mode of anchor net and shed erecting is adjusted into active supporting of anchor net cable, concrete spraying, U-shaped shed and inverted arch, efficient cooperative control among different supporting measures is achieved, and the supporting effect is good. The supporting system and the supporting characteristic curve are adapted and matched with the deformation activity state of the surrounding rock, the self-bearing capacity of the surrounding rock and the supporting capacity of the supporting system are exerted to the maximum extent, and the purpose of maintaining the stability of a roadway is achieved.

The utility model discloses a ventilation structure for a box-type transformer station, which comprises a box body, two sides of the box body are fixedly communicated with an air inlet frame, the surface of the air inlet frame is provided with a plurality of ventilation openings, a dustproof net is fixedly connected inside the air inlet frame, a fan is installed inside the air inlet frame and located on one side of the dustproof net through a support, and a plurality of ventilation openings are formed in the air inlet frame. And the tops of the two air inlet frames are fixedly connected with a mounting frame, a mounting groove is formed in the mounting frame, a motor is mounted on one side of the inner wall of the mounting groove, and placing grooves are formed in the positions, located on the tops of the two air inlet frames, in the mounting frame. Through cooperative use of the fan, the mounting rack, the motor, the cleaning assembly and other structures, dust on the dustproof net can be automatically cleaned, through holes in the dustproof net are prevented from being blocked by external dust, air circulation is facilitated, the ventilation effect of the box-type substation is ensured, and the practicability of the ventilation structure is improved.

The invention relates to the technical field of explosion-proof wave valves, and provides a dangling type explosion-proof wave valve with an electromagnetic shielding function. The dangling type anti-explosion-wave valve with the electromagnetic shielding function comprises a door frame and a door leaf which are matched with each other, a ventilation cut-off waveguide window is installed at the position, corresponding to a ventilation window, of an inner door plate of the door leaf, an electromagnetic shielding sealing assembly is arranged at the position of a gap between the door frame and the door leaf, and the door frame and the door leaf are connected through a manual locking assembly. Opening and closing operation of the door leaf is achieved. The dangling type explosion-proof wave valve with the electromagnetic shielding function can effectively prevent explosion wave impact and electromagnetic pulse impact damage, protect the safety of indoor equipment and personnel, guarantee normal use of electronic information equipment, effectively maintain national defense safety, meet the requirement for uninterrupted ventilation and improve the safety of the electronic information equipment. And a good working environment is provided for internal personnel.

The invention discloses a transformer with an easy heat dissipation effect, and particularly relates to the technical field of heat dissipation transformers, the transformer comprises a transformer body and a transformer shell, the transformer body is located in the transformer shell, and two sets of ventilation holes communicated with the interior of the transformer shell are symmetrically formed in the exterior of the transformer shell; the two groups of ventilation holes, the transformer shell and the transformer body are combined to form a transformer which is easy to dissipate heat; the ventilation assembly is used for keeping good ventilation of the ventilation holes and keeping ventilation, evaporation and heat dissipation between natural wind and the transformer; through the arrangement of the soft brush plate, the heat dissipation holes and the drainage pipe, scraping between the ventilation holes and the soft brush plate can be achieved, irregular water films formed on the surfaces of the ventilation holes by water drops formed by rainwater gathering are reduced, evaporation and heat dissipation between internal water and the transformer body can be achieved through the drainage pipe, heat dissipation of the transformer is facilitated, and the service life of the transformer is prolonged. And the transformer has a good heat dissipation effect.

The utility model discloses a safe electric energy metering box, which comprises a box body and a protection plate fixedly arranged at the upper end of the box body, two groups of air inlets are arranged at the lower end of the box body, a filter screen is fixedly arranged in each air inlet, a fan assembly is fixedly arranged in the upper end of the box body, an air outlet is arranged at the upper end of the box body, and the fan assembly and the air outlet are fixedly arranged in the box body. The air outlet is located in the upper end of the fan assembly, and meanwhile a temperature sensor is fixedly installed at the upper end in the box body. According to the safe electric energy metering box, the air inlet and the air outlet are formed in the box body, so that internal heat of the box body can be discharged along with air, the heat dissipation effect of the box body is guaranteed, the air inlet and the air outlet can be sealed, and it is guaranteed that the electric energy metering box is not affected by dust when used under the low-temperature condition; and meanwhile, the electricity consumption of the fan and the heat generated by the fan under the low-temperature condition can be reduced, so that the electric energy metering box can stably dissipate heat, and the safety of electric energy metering work is ensured.

The utility model provides a building structure capable of reducing carbon emission, which comprises a building body, an equipment room arranged on the shady side of the building body, glass walls arranged on other sides of the building body, a plurality of groups of air conditioning equipment arranged in the equipment room, an exhaust pipeline arranged on the upper side of the equipment room, and glass planting cover bodies arranged on the inner sides of the glass walls. A waste discharge pipe is arranged between the exhaust pipeline and the glass planting cover body in a communicating mode, a protective sleeve is arranged on the outer side of the lower portion of the glass planting cover body, a gravel layer and a soil layer are arranged at the bottom of the glass planting cover body, irrigation pipes are installed on the inner walls of the two sides of the U-shaped mesh frame, a glass sealing door is arranged on one side of the glass planting cover body, and an exhaust groove is formed in one side of the glass planting cover body in a penetrating mode. Compared with the prior art, the ornamental plant planting cover has the advantages that ornamental plants are planted in the glass planting cover body, high-altitude air which is generated by equipment in the equipment room and has relatively high carbon content is purified through photosynthesis of the plants and then discharged to the outside air, and the carbon emission of a building is reduced.

The utility model discloses an aerogel fire prevention and heat preservation integrated board, and belongs to the technical field of fire prevention and heat preservation integrated boards. An aerogel fireproof and heat-preservation integrated plate comprises a fireproof plate body, a decorative layer, a first aerogel layer, a first waterproof layer, a ventilation layer, a second waterproof layer, a second aerogel layer and a back plate layer are sequentially arranged in the fireproof plate body, aerogel columns are arranged in notches, aerogel films are arranged in the aerogel columns, and the aerogel films are arranged in the notches. The aerogel column is formed by rolling an aerogel film in a staggered manner. According to the aerogel fireproof thermal insulation integrated board, through staggered rolling of the aerogel film, the aerogel columns can effectively block heat, so that a wall is protected from being damaged, cold air can be blocked, thermal insulation of the wall is achieved, the effect of blocking the heat and the cold air can be achieved without too thick first aerogel layers and second aerogel layers, use of aerogel materials is reduced, and the cost is reduced. And the volume of the integrated plate is reduced, so that the installation is convenient.

The utility model discloses a ventilation device for architectural design, which belongs to the technical field of architectural design and comprises a ventilator body, a mounting structure is mounted on the ventilator body and comprises a mounting shell mounted on the ventilator body, and a mounting cover plate is detachably mounted on the mounting shell. A plurality of partition plates are rotationally connected into the mounting cover plate; by arranging a cleaning structure and a protection plate, when the protection plate is directly pushed and moves in the mounting shell, the interior of the mounting shell is shielded firstly, meanwhile, the protection plate drives a cleaning block to move on the surface of a partition plate through a guide block and a push block, and the shielding effect can be achieved while dust on the surface of the partition plate is cleaned; and the cleaned dust is prevented from falling into the mounting shell, the ventilation performance of the whole system is guaranteed, the cleaning block can flexibly rotate along with the partition plate under the action of the limiting block, the wind direction is adjusted, and the applicability is high.

The invention discloses control equipment for a heat recovery rotating wheel, and belongs to the technical field of heat recovery rotating wheel control equipment. Comprising a control box body, embedding grooves are formed in the two sides of the control box body, sliding grooves are formed in the two sides of the inner wall of each embedding groove, a filter plate is slidably connected between the two sliding grooves, a cleaning device is installed in the control box body, the cleaning device comprises a first motor and two reciprocating lead screws, and an output shaft of the first motor is connected with a driving wheel; a first motor drives a driving wheel to rotate, so that a synchronous belt drives a driven wheel to rotate, then a threaded seat is driven to move, the threaded seat drives fixing plates to move, the two fixing plates drive a connecting plate to move, the connecting plate drives a cleaning plate on one side to move, and dredging bristles on one side of the cleaning plate dredge and clean screen holes of a filter plate; therefore, the internal heat dissipation effect is ensured, and the situation that the internal heat dissipation effect is reduced due to the fact that the filter plate cannot be cleaned in time is avoided.

The invention relates to a regulation and control method and system for mine fireproof doors, a terminal and a medium, and belongs to the technical field of mine fireproofing. The regulation and control method comprises the steps that sensing data sent by sensors around each fireproof door are received; according to the multiple sets of sensing data, whether a fire occurs in the mine or not is judged; if yes, determining a target fireproof door according to the fire spreading area; acquiring personnel position information of workers around the target fireproof door; based on the personnel position information, whether a worker is on a fire spreading path and is located between the target fireproof door and a fire spreading boundary is judged; if yes, the closing degree of the target fireproof door is controlled according to the spreading speed of the fire; if not, the closing degree of the target fireproof door is controlled according to the fire behavior of the fire. The intelligent monitoring management system has the beneficial effect that intelligent monitoring management of the fireproof door can be conveniently realized according to the field environment.

The utility model discloses a case with a hard disk easy to assemble, and aims to solve the problems that the conventional hard disk is usually mounted in the case, the maintenance operation of the hard disk is troublesome, and the internal space of the case is narrow, so that the mounting and the dismounting are limited. The computer case comprises a case body, a mainboard, a power supply, a hard disk and a front panel, an opening is formed in the front face of the case body, a cover plate is installed on the front face of the case body, the mainboard and the power supply are both installed in the case body, the front panel is installed on the right side of the case body, a transverse rod is fixedly connected to the front face of the case body, and the middle of the transverse rod is integrally bent to form a U-shaped groove. According to the utility model, the hard disk and the cross rod are fixed together, and then the cross rod is arranged on the case close to the cover plate, so that the hard disk can be seen only by opening the cover plate during maintenance, and the operation can be carried out without entering a narrow space in the case, therefore, the operation is simpler, and the installation and the disassembly are very convenient.

The invention discloses a forklift battery provided with a ventilating duct, and belongs to the technical field of forklift batteries, the forklift battery comprises a supporting plate and a battery main body arranged above the supporting plate, two supporting frames for supporting the battery main body are symmetrically fixed on the surface of the supporting plate, the surfaces of the supporting frames are rotatably connected with adjusting screw rods, and the adjusting screw rods are rotatably connected with the ventilating duct. The outer wall of the adjusting screw rod is in threaded connection with a pressing plate, a protective shell is installed on the surface of the supporting plate, vent grooves are formed in the outer walls of the two sides of the protective shell, vent pipes are movably connected into the vent grooves in the two sides of the protective shell, dustproof nets are installed in the vent pipes, and two positioning blocks are symmetrically fixed to the outer wall of one side of each vent pipe. And a connecting column is fixed between the two positioning blocks, and the outer portion of the connecting column is movably connected with a cleaning plate. According to the forklift battery provided with the ventilating duct, the battery main body can be effectively cooled, meanwhile, the dust screen can be conveniently cleaned, and the ventilating effect of the ventilating duct is ensured.

The utility model relates to the technical field of torque controllers, and discloses a torque controller for an electric moped, which comprises a shell, a torsion shaft is rotatably connected to one side of the shell in a penetrating manner, a controller is fixedly connected to the inner wall of the top of the shell, and a torsion sensor is arranged in an inner cavity of the shell. The torsion sensor sleeves the surface of the torsion shaft, one side of the shell is provided with an air inlet hole, an inner cavity of the air inlet hole is detachably connected with a dust filtering cylinder in a nested mode, a heat dissipation assembly is installed in the shell, and the lower end of the side, opposite to the air inlet hole, of the shell is connected with an exhaust pipe in an intercommunication mode; according to the utility model, heat dissipation and dust filtration are realized, the filtering mechanism can be automatically cleaned, the ventilation effect of the heat dissipation mechanism is ensured, the heat dissipation effect is further improved, the heat dissipation effect of the torque controller is improved, and continuous and stable operation is ensured.

The utility model discloses a skylight with a filtering function, which comprises a frame body mounted at the top of a cab, a skylight body is mounted above the frame body, a mounting frame body is mounted in the frame body, and a filter screen capable of preventing mosquitoes is mounted in the mounting frame body; the mounting frame body is composed of a fixed frame and a movable plate, the fixed frame is fixedly mounted on the inner wall of the frame body, a connecting column is fixedly mounted at the lower end of the fixed frame, a positioning block is slidably mounted in the connecting column, and a control module is mounted in the side edge of the fixed frame. And the control module is used for pulling the positioning block to retract into the connecting column. According to the skylight with the filtering function, outside mosquitoes are filtered through the filter screen installed in the frame body, influences on work of operators in a cab are avoided, meanwhile, the filter screen can be conveniently and rapidly disassembled, assembled and cleaned, and the ventilation effect of the skylight is guaranteed.

The invention belongs to the technical field of forge piece machining, and particularly relates to forge piece machining and grinding equipment which comprises a machine table, a frame plate is fixedly connected to the top of the machine table, a feeding pipe is fixedly connected to the inner wall of the frame plate, the forge piece machining and grinding equipment further comprises a grinding mechanism, and the bottom of the grinding mechanism is slidably connected with the top of the machine table; and the outer wall of the clamping mechanism is slidably connected with the inner wall of the frame plate, a cushion block is fixedly connected to the top of the machine table and located under the feeding pipe, the two first moving columns are symmetrically arranged, and the outer wall of the adjusting assembly is fixedly connected with the inner wall of the mounting frame. The axis of the forge piece is kept flush with the polishing mechanism, marks are prevented from being generated when the surface of the forge piece is rigidly clamped, dismounting and re-clamping are not needed, manual operation can be replaced through cooperation of the adjusting assembly and the auxiliary assembly, the polishing efficiency is improved, and the stability of the forge piece in the polishing process is kept.

The utility model provides a fresh-keeping device for morchella esculenta. The fresh-keeping device for the morchella comprises a storage cylinder, the two electric telescopic rods are both fixedly mounted in the storage cylinder; the multiple placement plates are arranged at the tops of the two electric telescopic rods, and any one placement plate is fixedly connected with output rods of the two electric telescopic rods; the plurality of adjusting frames are respectively arranged among the plurality of placing plates; and the cooling assembly is arranged on the storage cylinder, and the cooling assembly is used for reducing the temperature of the morchella esculenta storage environment. The morchella esculenta fresh-keeping device has the advantages that the flexibility is high, the morchella esculenta can be stored in a layered mode, and the morchella esculenta is prevented from being accumulated and rotted.

The invention relates to the technical field of medical instruments, and discloses a medical instrument containing device which comprises a shell, a partition plate is fixedly connected to the inner wall of the shell, a cover plate is fixedly connected to the top of the shell, a first sliding groove is formed in the bottom of the shell, and a dehumidifier is fixedly connected to the side, away from the cover plate, of the partition plate. The bottom of the dehumidifier is fixedly connected with the shell, the outer wall of the dehumidifier is fixedly connected with a switch, the outer wall of the dehumidifier is further fixedly connected with a right-angle pipe, the outer side mechanism is arranged, the structure for controlling whether the first penetrating groove is communicated or not is changed, and through movement of the base and the second penetrating groove and the groove in the base, the first penetrating groove is communicated with the second penetrating groove. Through the arrangement, the equipment can be rapidly adjusted, the state of the equipment can be conveniently changed, meanwhile, when the equipment is in a ventilation state, the base cannot block normal passing of airflow, the ventilation effect of the equipment is enhanced, and the capacity of the equipment for storing medical equipment is improved.

The utility model discloses a continuous-span steel structure framework of an assembly type plant. Comprising a first stand column, a damping fixing base, a longitudinal beam, a first cross beam, a second stand column, a top beam, a top beam lifting mechanism, a first telescopic inclined beam, a second telescopic inclined beam, a first purline, a second purline, a third purline, an adjustable connecting base, a first cross inclined beam, a second cross inclined beam, a reinforcing cross support, a ventilator mounting beam, an industrial ventilator, a drainage groove, a drainage pipe and a second cross beam. A positioning seat; the assembly mode is adopted for lap joint of the workshop framework, rapid assembly and disassembly can be achieved, the damping fixing bases can buffer and disperse vibration and impact force borne by the stand columns, the structural stability and safety of the workshop are improved, the height of the top beam and the inclination of the workshop top can be adjusted through the top beam lifting mechanism, and the construction efficiency is improved. And different climatic environments and drainage requirements can be met.

The utility model provides a ventilation and heat preservation cowshed structure, and belongs to the technical field of cowsheds. The ventilation and heat preservation cowshed structure comprises an opening and closing assembly and a cooling assembly, a plurality of exhaust fans are arranged on one side of a cowshed body, an electric frame is arranged on one side of the cowshed body, a sealing plate is arranged on one side of the electric frame and makes contact with the cowshed body, and the cowshed body can always keep the ventilation effect through ventilation openings and the exhaust fans; meanwhile, a sealing plate can be moved through an electric frame, a plurality of ventilation openings can be closed and opened at the same time, manual opening and closing of the ventilation openings are not needed, labor force is reduced, water spraying cooling is conducted on the interior of the cowshed body through a water spraying piece, and the water spraying piece can be moved through a driving base; and the interior of the cowshed body is fully cooled, then the cowshed body is conveniently and actively cooled, the ventilation openings are conveniently opened and closed, labor force is relieved, and therefore the practicability is improved.

The utility model discloses a digital temperature control type electric blanket controller, which relates to the technical field of electric blanket controllers and comprises a controller body, a protective net cover is arranged on the lower surface of the controller body, a group of heat dissipation grooves are formed in the lower surface of the controller body, and a fixing seat is fixedly connected to the lower surface of the controller body. A protective net cover is arranged on the surface of the heat dissipation groove for protection, external foreign matter is prevented from entering the controller body through the heat dissipation groove, when the protective net cover needs to be detached, a pressing block is pressed to drive a limiting block fixed to the pressing block to move together, the limiting block moves downwards to break away from clamping connection with the protective net cover, limiting is opened, and the protective net cover is detached. At the moment, the protective net cover can slide to be disassembled, the protective net cover is connected through two rectangular grooves formed in the controller body, grooves are formed in the rectangular grooves to limit the protective net cover, the detachable protective net cover is convenient for a user to regularly take down for cleaning, and the ventilation performance of the net cover is kept.

The utility model discloses an orthosis for preventing underarm scar contracture of a burn patient, which comprises a neck fixing strip, a shoulder lapping piece is fixedly arranged on the side of the bottom end of the neck fixing strip, one side of each first tensioning strip is rotatably connected with a first movable column, an underarm orthosis mechanism comprises an arc-shaped supporting piece, and the arc-shaped supporting piece is fixedly connected with the shoulder lapping piece. Adjusting long holes are formed in the two sides of the inner wall of the arc-shaped supporting piece correspondingly, and two limiting sliding blocks are slidably connected into each adjusting long hole. The armpit orthopedic mechanism is arranged between the first movable columns connected through the first tensioning strip, the limiting sliding block is connected with the arc-shaped filler strip, and the rubber stud is rotationally connected with the arc-shaped contact net piece, so that the orthopedic device is better in ventilation effect, dryness and ventilation of a burn position are guaranteed, recovery of an affected part is promoted, and it is guaranteed that a gap is formed between the arc-shaped supporting piece and the affected part; meanwhile, the arc-shaped supporting piece and the arc-shaped contact net piece generate pressure on the scar, so that the problem of scar contracture is solved while the ventilation effect is guaranteed.

The utility model relates to the technical field of medical care appliances, in particular to an inflatable pressure reduction pad for preventing pressure injury of heels, which comprises a foot protection sleeve, the foot protection sleeve is formed by splicing square hollow latex blocks and is in a shape of wrapping a rear foot, vent holes communicated with each other are arranged among the latex blocks, the sleeve wall of the foot protection sleeve is connected with an inflation port, and the inflation port is connected with a pressure reduction pad. The foot protection sleeve is inflated by pressing the inflation bag with a hand, and the foot protection sleeve is formed by splicing a plurality of square hollow latex blocks, so that the foot protection sleeve can be gradually expanded to wrap the heel position to adapt to the shape of the foot of a human body due to the characteristics of the latex material when being inflated; after the latex is inflated, expanded and stretched, the latex layer can be thinned, the tension of the latex layer is reduced, the surface of the latex layer becomes softer, the comfort of a wearer is improved, and due to the fact that the latex is composed of the square hollow latex blocks, gaps are still reserved in the position attached to the foot skin, and ventilation is guaranteed.