19results 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 automatic indoor air quality adjusting device based on environmental perception, and particularly relates to the field of air quality adjusting, the automatic indoor air quality adjusting device comprises an air purifier shell, an air outlet is formed in one side of the air purifier shell, an air filtering assembly is arranged in the air purifier shell, and an air outlet is formed in the other side of the air purifier shell. An air inlet is formed in the other side of the air purifier shell, and a filtering grid is arranged in the air inlet. By arranging the sleeve, the movable cylinder and the hydraulic telescopic rod, the hydraulic telescopic rod can stretch to jack up the movable cylinder upwards, the spiral guide groove is formed in the surface of the movable cylinder, and the end of the limiting protrusion is inserted into the guide groove, so that the movable cylinder is limited by the position of the limiting protrusion while moving upwards in the sleeve, and the movable cylinder can move upwards in the sleeve. When the gas sampling assembly ascends and rotates synchronously, the gas sampling assembly is driven to ascend and rotate, so that indoor air at different heights and in different directions is sampled and monitored, and the monitoring result is more accurate.

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 invention relates to the related technical field of machine tools, in particular to an injection molding automatic keycap pressing machine table which comprises a lower rack, an upper rack, an overturning butt joint mechanism, a waste keycap collecting mechanism, a transplanting mechanism, a keycap sucking mechanism and a keycap pressing mechanism. Foot cups and trundles are installed on the lower surface of the lower machine frame, the upper machine frame is fixed to the upper end face of the lower machine frame, and the overturning butt joint mechanism is installed on the table top of the lower machine frame. According to the equipment, the automatic keycap pressing action of the keyboard is completed through butt joint matching of the overturning butt joint mechanism and the injection molding manipulator, so that the working efficiency and stability of keycap pressing of the keyboard can be improved; and a turnover butt joint mechanism composed of a turnover lifting cylinder, a vacuum assembly, an upper guide column, a lower guide column, a turnover cylinder, a turnover mechanism, a variable-pitch cylinder, a vacuum gas pipe joint and a variable-pitch mechanism is arranged to be in butt joint with a manipulator of the injection molding machine, so that the production efficiency of the machine table is effectively improved, and the safety of personnel can be well protected.

The utility model particularly relates to the field of garment fabric processing equipment, and discloses a raw material crushing device for processing garment fabrics, which comprises a crushing box, a feeding hopper is fixedly arranged at the top end of the crushing box, a notch I is formed in the top end of the feeding hopper, two air inlet covers are symmetrically clamped on the side wall of the feeding hopper, and a notch II is formed in the top end of the feeding hopper. Two third notches are symmetrically formed in the side wall of the feeding hopper and used for being connected with the air inlet cover in a clamped mode, and an air blower is fixedly arranged at the position, close to the surface of the feeding hopper, of the smashing box. By arranging the feeding hopper, the air blower, the communicating pipe, the first notch, the air inlet covers and the filter, the first notch is formed in the top end of the feeding hopper and communicated with the interior of the smashing box to facilitate feeding, and the two air inlet covers are symmetrically clamped to the side wall of the feeding hopper to enlarge the air inlet area; and the air blower is started to suck the suspended fibers in the notch I into the filter for filtering, so that the pollution of fiber particles in the air is reduced.

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 utility model discloses a faucet water purifier which comprises a waterway switching assembly and a filtering assembly, the filtering assembly comprises a shell with a filtering cavity and a filter element arranged in the filtering cavity, the top of the shell is provided with an exhaust hole used for exhausting gas in the filtering cavity, and the shell is further provided with a floating ball valve located in the filtering cavity. And when the water level in the filtering cavity reaches the highest water level, the ball float valve closes the exhaust hole under the action of buoyancy. The exhaust hole is formed in the top of the shell of the filtering assembly, and the floating ball valve is arranged in the filtering cavity, so that when the water level in the filtering cavity does not reach the highest water level, the floating ball valve is in a state of opening the exhaust hole, and gas above the liquid level is prevented from being compressed under the action of continuously rising liquid level pressure; therefore, when the filter assembly does not discharge purified water, the compressed gas above the liquid level of the filter cavity is prevented from extruding residual liquid in the filter cavity out of the filter cavity, water leakage of a water outlet below the filter assembly is prevented, and the use experience of a user is good.

A moxibustion cover structure used in a moxibustion device comprises a moxibustion cover and a moxibustion column, the moxibustion column is connected to the middle of the bottom face of the moxibustion cover, a clamping jaw is fixed to the middle of the bottom face of the moxibustion cover, one end of the moxibustion column is inserted into the clamping jaw, and the other end of the moxibustion column extends out of the moxibustion cover. Transverse moxibustion cover through holes are distributed in the side wall of the moxibustion cover at intervals. The moxibustion device has the advantages that the clamping jaw is fixed to the middle of the bottom face of the moxibustion cover, one end of the moxibustion column is inserted into the clamping jaw, the other end of the moxibustion column extends out of the moxibustion cover, the moxibustion column can be directly connected to the moxibustion cover, the insertion structure is simple, manufacturing is convenient, and manufacturing cost is reduced; the moxibustion cover through holes are transversely distributed in the side wall of the moxibustion cover at intervals, so that the air inlet area on the circumference of the moxibustion cover can be increased, the air inlet efficiency of an inner cavity is improved, the combustion time of the moxibustion column is prolonged, and the moxibustion column is prevented from being extinguished due to oxygen deficiency; the clamping jaws are directly fixed to the bottom face of the moxibustion cover, a magnet and a magnetic conductive needle are omitted, the structure is more compact, and the moxibustion column is convenient to use and replace.

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 exhaust structure of the intercooler for the gas generator comprises an intercooler body, a box body is arranged outside the intercooler body, an air inlet is formed outside the box body, a dustproof net is arranged inside the air inlet, a grating is arranged on the outer side of the dustproof net, a connector is connected to the outer side of the middle of the box body, and the connector is connected to the outer side of the middle of the box body. The outer side of the connector is connected with a connecting pipe; the air bellow is arranged above the box body, a fan is arranged in the air bellow, a top cover is arranged at the top of the air bellow, an exhaust pipe is connected to the top of the top cover, and the box body is of a square structure. According to the exhaust structure of the intercooler for the gas generator, heat dissipation can be conducted on the front face and the rear face of the intercooler body at the same time, the heat dissipation efficiency is improved, air can be guided to the side of the intercooler body, comprehensive heat dissipation of the intercooler body is facilitated, the distance between the air inlet and the exhaust port is increased, and therefore hot air backflow is avoided.

The present invention relates to a filter device and a diffuse oxygen-nitrogen separation device using the same, comprising an air intake side component installed on the air intake side of an inner chassis and a filter screen sleeved on the air intake side component, the air intake side component comprising an air intake hood and an air intake side plate, the air intake hood comprising an integrally formed lower air intake frame and an upper air intake frame, the lower air intake frame being provided with a first frame, the first frame being provided with a positioning boss, support ribs, and a first support column; the upper air intake frame being provided with a second frame, and an air intake space for inserting an external air intake connector being formed between the second frames. This solution solves the problems existing in the prior art of complex filter device structure, complex production and assembly, high cost, and time-consuming and labor-intensive replacement, so as to provide a filter device and a diffuse oxygen-nitrogen separation device using the same that is ingenious in structure, simple in production, and convenient and labor-saving to replace.

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.

The utility model belongs to the technical field of vehicle tail gas treatment, and discloses an SCR mixer and a tail gas treatment system. The SCR mixer specifically comprises a rotational flow pipe and a mixing inner pipe, a plurality of rotational flow holes distributed at intervals in the circumferential direction are formed in the rotational flow pipe, rotational flow pieces extend out of the rotational flow pipe along the side wall faces of the rotational flow holes, and the included angle between the rotational flow holes and the plane where the rotational flow pieces are located is not smaller than 25 degrees. The mixing inner pipe is coaxial with the rotational flow pipe and arranged in the rotational flow pipe, and a plurality of strip-shaped holes are distributed in the mixing inner pipe in the circumferential direction at intervals. According to the SCR mixer, the back pressure can be effectively reduced, the mixing uniformity of urea and tail gas can be considered, and the dynamic property and economical efficiency of an engine are improved.

The utility model discloses a mounting structure of a generator set pull disc, which comprises a wind scooper, a pull disc is arranged on the side wall of the wind scooper, an air inlet of the pull disc is communicated with the wind scooper, and a pull disc mounting column is arranged between the wind scooper and the pull disc, so that a gap is reserved between the wind scooper and the pull disc. The height of the pull disc installation supporting columns ranges from 12 mm to 18 mm, the number of the pull disc installation columns is at least three, the pull disc installation columns are evenly distributed between the wind scooper and the pull disc, the pull disc is of a circular structure, and pull disc connecting holes are formed in the positions, corresponding to the pull disc installation columns, of the pull disc. The utility model has the beneficial effects that the pull disc mounting column between the wind scooper and the pull disc is heightened, and the air inlet area can be increased, so that the total air inlet amount of the power of the generator set is increased, and the phenomenon of poor power heat dissipation caused by insufficient air volume of a power cooling air duct of the generator set is solved.

The utility model provides an air inlet flow guide structure and a vehicle. The air inlet flow guide structure comprises a first flow guide part arranged in a front cabin and a second flow guide part located above the first flow guide part. The first flow guide part is located in front of a heat dissipation device in a front cabin, and the second flow guide part is provided with a ventilation opening corresponding to an air inlet of an engine. The first flow guide component is provided with a main flow channel corresponding to the heat dissipation device and a branch flow channel communicated with the main flow channel, the branch flow channel extends towards the second flow guide component, and airflow in the branch flow channel can enter an air inlet of the engine through the ventilation opening. According to the air inlet flow guide structure, the main flow channel is arranged on the first flow guide component, cold airflow can be guided to cool the heat dissipation device, the branch flow channel communicated with the main flow channel is arranged on the first flow guide component, the cold airflow can be guided to directly flow to the ventilation opening, and therefore the air inlet temperature of an engine can be reduced, and the engine can be cooled conveniently. And the use performance of the engine is improved.

The invention discloses a generator ventilation and heat dissipation system, and relates to the technical field of generator heat dissipation equipment, the generator ventilation and heat dissipation system comprises a supporting bottom plate, the upper surface of the supporting bottom plate is provided with a first side plate and a second side plate, and the top of the first side plate and the top of the second side plate are connected through a top plate; one side of the first side plate is fixedly connected with one side of the second side plate through an arc-shaped back plate, a semi-enclosed cavity is formed among the first side plate, the second side plate, the top plate, the arc-shaped back plate and the supporting bottom plate, air outlets are formed in the other sides of the first side plate and the second side plate, an air inlet is formed in the supporting bottom plate, and a driving motor is arranged on the top plate; the output end of the driving motor penetrates through the top plate and is connected with a turbofan; the turbofan rotates in the semi-enclosed cavity; filtering systems used for removing impurities in air are symmetrically arranged on the upper surface of the supporting bottom plate relative to the central axis of the top plate. The filter has the effects of reducing the resistance caused when airflow passes through the filter and ensuring the ventilation area.