8results about How to "Increase the intake area" patented technology

The invention relates to the technical field of transformers, in particular to an environment-friendly dry-type transformer which comprises a shell, a transformer body and a dustproof device. The transformer body is fixedly mounted in the shell; an air inlet and an air outlet are formed in the shell; the dustproof device comprises a filter cartridge arranged at the air inlet, the filter cartridge is arranged to be of a conical cylindrical structure formed by spirally winding a strip-shaped filter plate, the large end faces outwards, and the small end faces inwards, so that external air conveniently enters the shell, and the air inlet area is increased. The structure formed by winding the strip-shaped filter plates has certain elasticity, the small ends of the strip-shaped filter plates are driven by the driving part to rotate, so that the strip-shaped filter plates can be stretched and circumferentially contracted at the same time, caked dust in the strip-shaped filter plates is extruded and broken, and then the dust in the strip-shaped filter plates is popped out by utilizing the action of restoring deformation and contraction of the strip-shaped filter plates, so that the cleaning of the filter cartridge is realized; and vibration during deformation recovery can further promote dust attached to the inner wall of the filter cartridge to fall off, so that the cleaning effect of the filter cartridge is improved.

The utility model discloses a filter sound -absorbing structure is used to compressor air intake, including front cover, back cover, filter component, the front cover is fixedly connected with back cover and forms the internal cavity, be equipped with a plurality of baffle and sound -absorbing cotton in the internal cavity, the filter component is provided with air inlet and air outlet, the upper portion of front cover sets up the installation cavity, the installation cavity can dismantle and install filter component, the bottom of back cover sets up the air outlet, the length of baffle is less than the length of internal cavity, a plurality of baffles are mutually staggered arrangement, and the airflow channel is formed between mutually staggered arrangement baffle. The utility model integrates filter and sound -absorbing function in the same structure, replaces traditional discrete scheme, before compressor air intake, through the utility model can play the double -deck effect of filter and sound -absorbing, reduces equipment occupied space simultaneously, reduces installation layout difficulty, simplifies installation and maintenance process, and then reduces comprehensive cost.

The utility model discloses an air quality monitor, including the case, the both sides of its upper end are equipped with a plurality of air outlet, is equipped with the heat dissipation fan in the air outlet, the lower end bottom of case is equipped with a plurality of air intake mechanism for leading in air, and the air intake mechanism includes ventilation unit, and it includes the fixed seat in the case, still includes the ventilation pipe of horizontal rotatable installation on the fixed seat, the ventilation pipe penetrates the case and extends, and its extension end is equipped with a plurality of central symmetry distribution's connecting column, and the outside of a plurality of connecting columns is covered with the moistureproof screen of cylinder, and the bottom of a plurality of connecting columns is equipped with the base, drive unit, it sets up in the case, and with ventilation pipe transmission connection, is used for driving ventilation pipe horizontal rotation, cleaning unit, it has a plurality of, and the outside of ventilation pipe extension end is centrally symmetric and sets up, is used for cleaning the moistureproof screen surface. Such design air inlet is not easy to block, and has the function of moistureproof, and therefore equipment whole service life is longer.

The present application relates to the technical field of metal casting, and particularly discloses a core making machine, which is provided with at least two regulating systems in the circumferential direction of the side wall of a core box. During sand shooting, the exhaust adjusting branch of the regulating system controls the exhaust amount during sand shooting to avoid excessive pressure drop loss, and the negative pressure adjusting branch adjusts the vacuum degree in the cavity to increase the pressure difference between the region and other regions, improve the flowability of the sand, and facilitate compacting of the sand, thereby achieving good core making effect. During solidification and blowing, the blowing mechanism can blow triethylamine gas into the cavity through the top and side of the core box, achieve the best solidification and air intake combination, increase the air intake area, shorten the solidification time, improve the solidification efficiency, and increase the opening of the exhaust adjusting branch to increase the exhaust amount of the corresponding region and ensure smooth air intake. The present application also provides a sand shooting and solidification process control method applied to the core making machine.

The utility model discloses a decoration dust adsorption and purification integrated equipment, include: the car body, the top of car body is provided with the casing, and the left side inside of casing is provided with dust removal bucket, the right side inside of casing is provided with dust removal cloth bag, and the below of dust removal cloth bag is installed with fan, the top of left and right sides of casing all is provided with the gear ring, and the middle part of left and right sides of casing all is provided with the buckle, the outside of gear ring is connected with the handle, and the inside of gear ring is provided with the gear, and the inside of gear is connected with the pressing plate, the wind cylinder is fixedly connected with the left cover plate at the bottom, and the top outside of wind cylinder is connected with the suction tube, and the top of wind cylinder is connected with the air pipe. This decoration dust adsorption and purification integrated equipment, convenient for adsorption and subsidence to dust, convenient dust purification, still can carry out secondary filtration to dust, convenient fan operation, also convenient dust cleaning.

The porous metal piston gas-driven powder supply device comprises a high-pressure gas cylinder and a powder box barrel, the high-pressure gas cylinder penetrates through a powder box rear sealing head through a first pipeline to be led to a driving cavity, a pressure reducing valve and a first electromagnetic valve are sequentially arranged on the first pipeline, and a second pipeline is separated from the first pipeline after the pressure reducing valve; the second pipeline is located between the pressure reducing valve and the first electromagnetic valve, the second pipeline is led to the fluidizing gas inlet nozzle through the second electromagnetic valve and then led to the flowing cavity, the driving cavity is inflated to push powder to move forwards, the fluidizing cavity is inflated to fluidize the powder to achieve supply, the porous metal piston body has certain air permeability, the pressure of the two cavities can be balanced, and the inflation time is shortened. In the long-time working process, chamber pressure difference sharp increase caused by flow design mismatching is avoided, the stability of the powder supply process is improved, powder compaction is prevented, and the structure failure risk is reduced; in addition, the porous metal piston body introduces gas to fluidize the powder in the working process, the gas inlet area of fluidizing gas can be increased, the gas inlet position is more diversified, and therefore the fluidizing conveying capacity of the powder fuel is improved.

The utility model relates to an aerosol generating device, which comprises a heating tube, a heating tube, a heating element and an aerosol generating element, wherein a heating cavity is formed in the heating tube in a penetrating manner; and the base is matched at one end of the heating tube, and an accommodating cavity and an air inlet channel communicated with the accommodating cavity are formed in the base. The heating cavity and the containing cavity are communicated to form a containing channel used for containing at least part of the aerosol generating product, and at least one boss is formed at the end, close to the air inlet channel, of the containing cavity and used for supporting the aerosol generating product. The aerosol generating product is supported by the boss, and the contact area between the base and the bottom of the aerosol generating product can be reduced, so that the air inlet area is increased, the suction resistance is reduced, and the smoke outlet effect is improved.

The utility model provides a structure for driving a hydraulic rotary supporting table to rotate by a rotary driving mechanism of a paper tidying machine, which belongs to the technical field of paper tidying machines and comprises a rotary driving mechanism and a rotary supporting mechanism. A rotary supporting mechanism with a paper pile placed at the upper end is driven to rotate the paper pile by 90 degrees, when the paper pile rotates by 90 degrees, a movable frame at the bottom of the working table is in contact with a limiting block to stop the movable frame, 90-degree rotation is completed, and the pre-adjusted optimal angle where air enters the paper pile easily is achieved; when the movable frame completes 90-degree rotation and makes contact with the limiting block, the limiting block is shifted to compress the telescopic spring, buffering is conducted through the telescopic spring, end jumping and eccentricity of the rotating table top are reduced, rotating motion is more stable, backlash gaps caused in the using process are adjusted, and the service life of the whole machine rotating structure is greatly prolonged.