32results about How to "Area adjustment" patented technology

The invention discloses a display device for linguistics courses for English majors. The display device comprises a base, wherein an upper surface of the base is provided with a first groove, an innerwall circumference of the first groove is clamped with teeth, the center of an inner cavity of the first groove is axially coupled with a first gear, an outer wall of the first gear is meshed with asecond gear, and the second gear is meshed with the teeth. The display device is advantaged in that through turning a first display panel clockwise, a connecting rod and the first gear can be driven to turn clockwise, through turning the first gear clockwise, the second gear is driven to turn counterclockwise, the area of a display stand of the teaching display device can be adjusted in the display process, so teaching materials of a user are displayed on the surface of the display stand at one time, the display angle is further adjusted, the display device is convenient for the user to use, and the display effect is improved.

The invention discloses a computer software and hardware detection device convenient to move and adjust. The device comprises a computer software and hardware detection device body, a data connectionport, a sealing block and a protective shell, wherein a data connection port is formed in one end of the computer software and hardware detection device main body; the sealing block is arranged on theside face of the data connection port, the protection shell is arranged in the computer software and hardware detection device body, the two ends of a baffle are arranged in second sliding grooves, aclamping block is fixed to one side of the baffle, and a clamping groove is formed in the side, away from the baffle, of the clamping block. In the computer software and hardware detection device convenient to move and adjust, the protective shell is provided with the ventilation opening, the second sliding groove, the baffle and the clamping block, the clamping block is pushed to drive the baffle to slide in the second sliding groove according to different wind power areas needing to be used, then the baffle slides out of the protective shell, and therefore the area of the ventilation opening is adjusted, and calculation software and hardware of different sizes can be detected through the device.

The invention discloses a flapping wing flight device with an adjustable flapping wing. The device comprises a flapping wing 1, a connecting structure 2, an inner boundary guide pipe 3, an outer boundary guide pipe 4, a gas pump 5 and gas inflating guide pipes 6. The flapping wing flight device with the adjustable flapping wing, which is provided by the invention, is simple in structure, can adjust the shape and the area of the flapping wing through the gas pump and the guide pipes, achieves the simple flight control of an aircraft, and does not use a complex flight control system; the weight of the whole flight device is not increased obviously because gases are used in the guide pipes.

The invention provides a touch screen and electronic equipment. Specifically, the touch screen includes: a protective cover; a display module, the display module is arranged under the protective cover; and a pressure sensing structure, the pressure sensing structure includes a first pressure sensing layer and a second pressure sensing layer. In the pressure sensing layer, the first pressure sensing layer and the second pressure sensing layer are electrically connected, and in the pressure sensing structure, the initial capacitance of the pressure sensing capacitor is not greater than 50% of the upper limit of the IC detection capacitance. By designing the distance and area between the first pressure-sensing layer and the second pressure-sensing layer, the initial capacitance value of the pressure-sensing capacitor formed by it has a certain proportional relationship with the upper limit of the IC detection capacitance value, thereby preventing pressure sensing , since the pressure-sensing capacitance becomes larger after pressing, the pressure-sensing capacitance after pressing exceeds the upper limit of IC detection and signal overflow occurs.

The invention relates to the technical field of semiconductors, and provides a semiconductor device and a preparation method thereof, wherein, the semiconductor device comprises a semiconductor layer;a gate electrode and a source electrode formed over the semiconductor layer; A semiconductor region formed in the semiconductor layer between the gate electrode and the source electrode, and having aportion overlapping with the gate electrode and/or the source electrode; Wherein the ion doping concentration in the semiconductor region is 1E16-5E21cm<-3>, that conductivity type of the semiconductor region is the same as that of the semiconductor lay. By forming a semiconductor region in the semiconductor layer between the gate electrode and the source electrode, The semiconductor region has aportion overlapping with the gate and/or the source, wherein the area of the overlapping portion may be used to change the MOS capacitance at the coincidence of the gate and/or the source, thereby realizing modulation of switching characteristics such as switching time and switching loss of the grid control semiconductor device.

The invention provides a multifunction integrated valve which can make the volumes of a hot oil channel and a cooler oil channel to change in inverse proportion, has high temperature control sensitivity and is suitable for the wider range of temperature control working condition. The invention has the technical scheme that the multifunction integrated valve comprises a valve body; the valve body is connected with an oil filter; an oil cut valve assembly and a temperature control valve assembly are embedded in the valve body; the temperature control valve assembly comprises a temperature control valve core; and the temperature control valve core is arranged in the temperature control valve cavity of the valve body. The multifunction integrated valve is characterized in that the valve body is provided with an annular step on the periphery of the temperature control valve cavity; the annular step and the temperature control valve core are matched to divide the temperature control valve cavity into a left cavity and a right cavity; and the periphery of the temperature control valve core is provided with a circular hole.

The invention relates to the technical field of EPP plate materials, and discloses a combined type EPP plate material with a convenient area adjustment function. The combined type EPP plate material with the convenient area adjustment function comprises a first upper plate and a second upper plate. Sliding cavities are formed in the middle of the first upper plate and the second upper plate, sliding blocks are slidably connected with the inner parts of the sliding cavities, and telescopic grooves are formed in the upper surfaces of the sliding blocks. According to the combined type EPP plate material with the convenient area adjustment function, the first upper plate, the first lower plate, the sliding cavities, the sliding blocks, communicating holes and connecting rods are arranged, thusthe sliding blocks slide in the sliding cavities, the connecting rod drives the first lower plate to move leftwards and rightwards on the lower surface of the first upper plate, thus the plate material area is adjusted, a telescopic spring, a moving plate, a clamping rod and a clamping groove are further arranged, the clamping rod is connected with the clamping groove in a clamping mode under thefunction of the telescopic spring, the positions of the sliding blocks are limited, thus the adjustment of the first lower plate is limited, and the adjusting effect is better.

The invention relates to a color inkjet device for a textile yarn. The device comprises multiple sets of rotating nozzle assemblies. The rotating nozzle assemblies are arranged at intervals along thedirection of the yarn. Each set of rotating nozzle assemblies has the same structure, and comprises a sliding support. The sliding support moves up and down in the vertical direction. A rotary shaft is installed in the sliding support through a bearing box. The rotary shaft is a columnar structure with an opening at the top and a hollow cavity inside. The top of the rotary shaft is provided with acover plate. The cover plate closes the hollow cavity. The lower part of the rotary shaft is provided with a plurality of liquid outlet holes along the circumferential direction. The bottom of the rotary shaft is connected with a rotary disc with a larger diameter. The circumference of the rotary disc is provided with a plurality of nozzle installation holes for installing nozzles. The positionsof the nozzles correspond to the positions of the liquid outlet holes one to one. The device has the function of multi-color jet printing so as to realize the color inkjet of the yarn, and at the sametime, the device can form dot-like or mist-like ink spot patterns as required to meet the inkjet requirements of different products.

The invention discloses irrigation equipment for agricultural production. The irrigation equipment comprises a box body; a through hole is formed in the top of the box body; a supporting plate is arranged inside the box body; the top of the supporting plate is fixedly connected with a spray head; the right side of the box body is fixedly connected with a water tank; the right side of the top of the water tank communicates with a filling pipe; the axial position of the bottom of the box body is fixedly connected with a first motor; a rotating shaft of the first motor is fixedly connected with athreaded rod; and the top of the threaded rod extends to the inside of the box body. The effect of driving the threaded rod to rotate is achieved due to the arrangement of the first motor, the effectof driving the supporting plate and the spray head to move is achieved due to the arrangement of the threaded rod and a threaded pipe, the effect of placing a water source is achieved due to the arrangement of the water tank, the effect of stirring water and nutrient substances is achieved due to the arrangement of a second motor and a stirring blade, and the effect of spraying water is achieveddue to the arrangement of the spray head. By using the irrigation equipment, the land can be irrigated, the irrigation area can also be regulated, and the irrigation efficiency is guaranteed.

A terminal output light spot regulator of a laser beauty instrument relates to the technical field of laser beauty instrument equipment and comprises a base, a support and a laser generator, the support is fixedly arranged on the base, and the laser generator is arranged on the support; a light spot irradiation area adjusting assembly is fixedly arranged on the support, the laser generator is fixedly arranged at the input end of the light spot irradiation area adjusting assembly, and the light spot intensity adjusting assembly is fixedly arranged between a working area on the light spot irradiation area adjusting assembly and the laser generator; An overall liftable mounting structure, a narrow-strip-shaped shading structure and afilter lens structure are arranged, so that the illumination intensity and the illumination area can be adjusted conveniently, and equipment parameters can be adjusted conveniently according to the requirements of a user to meet the normal treatment requirements.

The invention discloses a portable mobile phone wireless charging seat and a use method thereof, and the charging seat comprises a charging main body, an open type outdoor shooting mobile phone protection mechanism, a hidden folding type anti-exposure sunshade mechanism, a manual clamping type fixing mechanism, and a lateral storage type supporting mechanism. The open type outdoor shooting mobile phone protection mechanism is arranged at the upper end of the charging main body, the hidden folding type anti-exposure sunshade mechanism is arranged at the upper end of the front side of the charging main body, the manual clamping type fixing mechanism is arranged on the charging main body, and the lateral storage type supporting mechanism is arranged on the side edge of the charging main body; the invention belongs to the technical field of portable mobile phone wireless charging seats, and particularly relates to a portable mobile phone wireless charging seat and a use method thereof.

The invention relates to the technical field of suspension equipment, and discloses a folding type engine suspension installing structure. The folding type engine suspension installing structure comprises suspension plates, fixing holes are formed in the obverse sides of the suspension plates, fixing blocks are fixedly installed on the left sides and the right sides of the suspension plates, a stop block is fixedly installed on the top of each fixing block, toothed blocks are fixedly installed on the left side wall and the right side wall of each fixing block, sliding blocks are movably installed in each fixing block, and two limiting blocks are movably installed in each sliding block. According to the folding type engine suspension installing structure, no less than nine supporting blocksare movably connected through supports and connected through rotating rods to form a prismatic four-fulcrum moving frame, and therefore the supporting blocks can relatively horizontally move; and inaddition, installing plates are installed on the tops of the supporting blocks and movably installed through sliding plates, therefore, the area of the installing plate is adjusted through moving of the supporting blocks, and folding of a suspension bracket is achieved.

The invention discloses a pole piece conveyer which comprises a machine station, a vacuum belt component arranged on the machine station and capable of driving, and a vacuum mechanism arranged on themachine station, wherein the vacuum belt component is cooperated with the vacuum mechanism to generate vacuum adsorption force; the vacuum mechanism comprises a plurality of vacuum cavities formed inthe machine station at intervals, and a plurality of vacuum draught hoods cooperated with the vacuum cavities correspondingly; a vacuum suction opening is formed in each of the vacuum cavities; and the vacuum draught hoods are correspondingly arranged on the vacuum cavities and communicate with the interiors of the vacuum cavities via the vacuum suction openings. The pole piece conveyer can reducethe power of a vacuumizing fan to further realize the purposes of saving energy and lowering equipment noise, can more conveniently adjust the vacuum adsorption area as demanded and increases the integral vacuum flow rate and pressure.