117results about How to "Does not take up external space" patented technology

The invention relates to a concealed handle which is characterized by comprising a body. The body is embedded in a mounting surface, an accommodating cavity is arranged on the front end surface of the body, a turning cover is rotationally arranged in the accommodating cavity, the shape of the turning cover is matched with that of the accommodating cavity, elastic structures and locking structures are arranged between the turning cover and the body, the lower portion of the turning cover keeps in an outwardly turning trend by the aid of the elastic structures, and the turning cover is locked in the accommodating cavity by the locking structures. When the locking structures are unlocked, the turning cover is outwardly turned under the actions of the elastic structures and can be used as a handle; and when the turning cover rotates and then is concealed in the accommodating cavity, the turning cover and the body are locked by the locking structures. The concealed handle has the advantages that when not used, the turning cover is concealed in the accommodating cavity and is fixed to the body by the aid of the locking structures, the outer surface of the turning cover can be completely flush with the outer mounting surface, accordingly, the concealed handle is good in appearance decoration feature, does not occupy external space and is convenient to transport and package, collision is effectively prevented, bacteria and dust further can be prevented from being accumulated on the concealed handle, and the concealed handle is particularly suitable for disinfection cabinets; and during usage, only the locking structures need to be unlocked, so that the turning cover can be turned outwardly and used as the handle.

The invention discloses an easily maintainable optical dust concentration detection device. The easily maintainable optical dust concentration detection device is characterized in that an upper shell 1 is coated with an upper shell cover group 12, the periphery of the upper shell cover group 12 is sealed with the upper shell 1 through an upper shell cover group sealing gasket 13 so that the upper shell 1 is formed into a sealed chamber for mounting a dust concentration detection system, the lower part of the upper shell 1 is connected to the upper part of a lower shell 7 through a connecting column 44, an air inlet is formed in one end of the lower shell 7, while an air outlet is formed in the other end of the lower shell 7, an optical measuring instrument 40 is fixed on the lower shell 7 between the air outlet and the air inlet and used for detecting the dust concentration, a fan is mounted at the end of the air outlet and fixed through a fan fixing cylinder 27, a motor 28 is arranged at one end of the fan and connected with an exhaust fan 41, an observing and cleaning opening 21 is formed in the lower part of the lower shell 7, and the shape of the observing and cleaning opening 21 is matched with that of the lower shell 7.

The invention discloses an electronic weighing system aiming at providing a highly sensitive electronic weighing system which can improve data collecting speed and accuracy and accurately reflect mass loss in the process of burning in real time. A supporting plate is fixed at a metal support, a thermal baffle which can prevent thermal radiation is placed on the supporting plate, a loading tray is placed on the thermal baffle, weighing sensors are respectively arranged at legs of the metal support, each weighing sensor is respectively connected with an analog/digital signal converter, each analog/digital signal converter is respectively connected with a voltage transformation module and a data acquisition unit, the data acquisition unit is connected with a data processor. The outdoor part of the weighing system of the invention is simply structured and is easy to be transported and the sensor is highly sensitive, while the indoor part thereof features rapid data acquisition and real time recording, thus greatly improving accuracy of data acquisition and being capable of accurately reflecting changes of mass loss in the process of burning in real time.

The invention discloses novel assembly type reinforcing steel bar concrete column and steel beam connecting joints, and relates to the field of construction steel structure, civil construction technology and mechanical assembly. An end plate with reserved bolt holes is welded on the end part of a steel beam and the end plate is connected with a joint part where a pre-embedded high strength penetrating bolt is connected with the steel pipeline reinforced concrete column through high-strength bolts. According to the novel assembly type reinforcing steel bar concrete column and the steel beam connecting joints, bolt assembly is adopted, prefabricating and welding work is completed in a factory, and the quality is reliable; the anti-seismic performance is excellent, ductility and energy consumption capacity of the joints can be improved significantly; and plastic hinges are moved outward to avoid appearing at the beam end; and repairing or replacing after an earthquake is convenient.

The invention discloses an electric automobile battery pack mounting structure which comprises a pair of doorsill beams, a front baffle lower cross beam and a rear floor front cross beam. The front baffle lower cross beam is arranged at the front ends of the doorsill beams, and the rear floor front cross beam is arranged at the rear ends of the doorsill beams. The doorsill beams, the front baffle lower cross beam and the rear floor front cross beam are all of hollow aluminum profile structures and each internally provided with a nut plate mounting strip. A battery mounting nut plate is arranged on each nut plate mounting strip. Through holes corresponding to screw holes in the battery mounting nut plates are formed in bottom plates of the doorsill beams, a bottom plate of the front baffle lower cross beam and a bottom plate of the rear floor front cross beam correspondingly. Each nut plate mounting strip is of an aluminum batten structure, the weight is low, lightweight of an electric automobile is facilitated, and the driving mileage of the electric automobile can be effectively prolonged; and the overall stress is uniform, batteries are reliably fixed and conveniently mounted, and mounting structures are located inside the beams correspondingly, so that no external space is occupied.

The invention relates to an axial air supply device, a fan, an air conditioner and an air supply control method. The axial air supply device comprises a first axial fan blade, a second axial fan blade, a first driving mechanism and a second driving mechanism, wherein the second axial fan blade is rotatably arranged in the first axial fan blade; the first driving mechanism is connected with the first axial fan blade and is used for driving the first axial fan blade to do a rotary motion relative to the second axial fan blade; and the second driving mechanism is connected with the second axial fan blade and is used for driving the second axial fan blade to do a rotary motion relative to the first axial fan blade. The positive and negative air supply of the axial air supply device can be independently controlled; additionally, according to the axial air supply device, the second axial fan blade is arranged in the first axial fan blade, and the second axial fan blade does not occupy the external space, so that the size of the whole axial air supply device is small.

The invention relates to an anti-clamping basketball stand. The problem that a basketball clamped in an existing basketball stand is not easily taken down is effectively solved. According to the technical scheme, the anti-clamping basketball stand comprises a backboard, and is characterized in that a supporting plate is fixed to the backboard, the supporting plate is provided with a sector gear, an arc-shaped rack is arranged outside the sector gear, the arc-shaped rack is attached and fixed to the outer side of a ring, a first transmission wheel is arranged below the sector gear, the first transmission wheel is connected with a second transmission wheel and a third transmission wheel through the two ends of a steel wire rope, a driving wheel is arranged right ahead the third transmission wheel, the driving wheel is connected with a driving device, the driving wheel drives the driving wheel to drive the second transmission wheel and the third transmission wheel to rotate, and therefore the sector gear is driven to drive the ring to rotate; the basketball clamped between the ring and the backboard falls off through rotation of the ring; the basketball clamped on the basketball stand is more convenient to take down through the anti-clamping basketball stand.

The invention relates to a two-stroke high expansion ratio free piston internal combustion engine generator, and belongs to the field of energy and power. The generator mainly includes a free piston engine, a linear generator, and a connecting rod. A plurality of air inlet channels are opened in pistons, an air inlet door is arranged on each air inlet channel, and air inlet door springs and air inlet door damping are arranged between air inlet door gaskets and the pistons. Moments of opening and closing of the air inlet doors can be optimized by adjusting the relative position of the air inletdoor gaskets and the bottom of a cylinder and damping factors of the air inlet door damping, low compression ratio and high expansion ratio can be achieved on the two-stroke free piston engine, and the circulation heat efficiency can be further improved.

The invention discloses an evaporative cooling air conditioning device utilizing wash water of a flush toilet. The evaporative cooling air conditioning device is characterized in that the evaporative cooling air conditioning device is arranged on a roof over the flush toilet and comprises an evaporative cooling air conditioning device body, a water supply and return device and an air inlet and outlet device; the water supply and return device is communicated with the evaporative cooling air conditioning device body; the air inlet and outlet device is arranged in the evaporative cooling air conditioning device body, over against a person using the flush toilet; and the evaporative cooling air conditioning device body is internally provided with a water directly-evaporating cooling member utilizing reverse circulation heat and moisture exchange between the wash water and air. The evaporative cooling air conditioning device is arranged on the roof of a restroom, occupies a small space, is simple in structure and very convenient to mount and use, and does not affect the overall attractive appearance of the restroom; the cooling capacity of the wash water of the flush toilet in the restroom is used fully, so that the wash water can be comprehensively utilized; and the evaporative cooling air conditioning device is high in cooling rate, energy-saving, economical and practical, is suitable for substantial popularization and application, and effectively solves the problem that an ordinary air conditioner cannot be suitably mounted in the general domestic restroom.

The invention relates to a multifunctional test bar. The multifunctional test bar comprises a hollow length adjustable bar body, a universal locating flexible tube is connected to the top end of the bar body and is installed in an inner cavity in the top part of the bar body in a sliding manner, a flexible tube clamping and locating mechanism is arranged in the inner cavity in the top end part of the bar body, a camera box is installed at the outer extending end of the universal locating flexible tube, a camera is installed on the camera box, the test bar further comprises display screen equipment in wireless communication connection with the camera, the display screen equipment is handheld or is detachably clamped on the bar body through a clamping seat, a spring cable clamp is installed at the bottom end of the bar body, and a current detection wire and a voltage detection wire are led out from the spring cable clamp. The multifunctional test bar helps to read a name plate rapidly, assists in wiring, is simple in structure, is flexible to operate, and is quite convenient to carry and use.

The invention discloses an air purifying system with loop-current cyclone dust removal. The air purifying system comprises an inlet air filter set, a cyclone mixing device, a gas washing device, a first return air filter and a second return air filter, wherein the lower end of the inlet air filter set is provided with a top channel; the cyclone mixing device is arranged in a sandwich layer of an indoor side wall; the inlet end of the cyclone mixing device communicates with the upper end of the top channel; the outlet end of the cyclone mixing device communicates with the top channel; indoor return air treated by the cyclone mixing device is transmitted into the gas washing device; the first return air filter is arranged on the center of the indoor bottom; the first return air filter communicates with the air inlet of an air regulating system; the second return air filter is arranged at the two sides of the indoor bottom; the second return air filter is used for treating indoor air and directly transmitting the treated indoor air into the cyclone mixing device. The air purifying system solves the technical problem of great space usage and low treatment efficiency of the air purifying system.

The invention belongs to the technical field of automobiles, and particularly relates to a device for fixing and monitoring a vehicle-mounted mobile phone. The device comprises a storage box body withthe open front end, and further comprises a clamping plate, a return torsion spring and a micro switch which is electrically connected with a vehicle-mounted computer and used for monitoring taking and placing conditions of the mobile phone. The clamping plate is hinged to the storage box body, the rear end of the clamping plate penetrates out from the storage box body, the front end of the clamping plate is located in the storage box body and matched with the top wall of the storage box body to clamp and fix the mobile phone, the two ends of the return torsion spring are fixedly connected with the storage box body and the rear end of the clamping plate respectively, and the micro switch is fixedly installed on a top plate of an instrument and provided with a driving rod sensing the position where the rear end of the clamping plate is located. With the device, the mobile phone can be firmly clamped and fixed inside a vehicle-mounted storage box so as to be conveniently observed and operation, does not occupy external space of the storage box, and can be charged through vehicle-mounted equipment; meanwhile, in cooperation with the vehicle-mounted computer, the device can remind anowner to take back the mobile phone before the owner leaves from a vehicle, and therefore the mobile phone can be prevented from being forgotten in the vehicle.

The invention discloses a built-in piezoelectric energy storage type oil leakage detection and early warning hydraulic shock absorber. The hydraulic shock absorber comprises a piston cylinder. A piston plate is installed in the piston cylinder in a sealed and sliding mode, a piston rod is inserted into one end of the piston cylinder in a sealed and sliding mode, the end, close to the piston plate,of the piston rod extends into the piston cylinder and is fixed to the piston plate, a plurality of right-angle elbows are symmetrically arranged on the inner wall of the piston cylinder, piezoelectric tubes are jointly welded between every two opposite right-angle elbows in a sealed mode, an energy storage detection sleeve is installed at the end, away from the piezoelectric tubes, of the pistoncylinder, and the piston rod is rotatably inserted into the energy storage detection sleeve. According to the hydraulic shock absorber, a plurality of arc-shaped piezoelectric patches on the piezoelectric tubes generate electric energy through the continuously changing pressure difference generated by the work of the shock absorber, an external function is not needed, and the electric intubationtube realizes the functions of real-time detection and timely alarm through the conduction of an electric fork by utilizing the characteristics of oil absorption and expansion of annular expansion resin.

The invention belongs to the field of water heaters, and particularly discloses a water heater. The water heater comprises an inner container and a water inlet pipe. The water inlet pipe is arranged in the inner container, and a scale inhibiting device is further included and is located in the inner container and arranged on the water inlet pipe. The scale removing device comprises a storage chamber containing a scale inhibitor, and after the scale inhibitor in the storage chamber is dissolved, the scale inhibitor is mixed with water flowing out of the water inlet pipe to enter the inner container. According to the water heater, the scale inhibiting device is arranged in the inner container, no external space is occupied, the water inlet pipe is not influenced, and the situation that the water inlet pipe is blocked is avoided; and meanwhile the scale inhibiting device is high in scale inhibiting efficiency, good in scale inhibiting effect and long in service life.

The invention discloses a bottle rack lifting mechanism. Height adjusting of bottle racks in the vertical direction is achieved through matching of bottle rack supports and guide supports. The bottle racks can reset automatically after rising to the largest height, reverse operation is not needed, and operation is convenient. Mechanism parts are all arranged inside the bottle rack supports, so that external space is not occupied, and the appearance is attractive. The bottle racks are moved and locked by arranging a lifting connecting rod and a stop connecting rod to be matched with springs, reliability is high, and the service life is long. A clamping groove is formed in the front end of a pushing rod and matched with a clamping block on the lifting connecting rod. When the bottle rack supports move to the highest position of the guide supports, the clamping block is positioned in the clamping groove to limit upward moving of the bottle rack supports, the situation that the bottle racks separate from the mechanism and fall off is prevented, the mechanism has the limiting and stop moving functions, and using safety is guaranteed.

The invention is applied to the field of laser printers and provides a toner bottle cap. The toner bottle cap comprises a sealing cap and a bottle cap of a sealing platform, wherein the sealing cap is mutually connected with the side end of the sealing platform; the sealing platform is in a funnel-shaped structure, the front end and the bottom end of which are opened; the inside of a larger opening respectively contains threads; and the outside of the larger opening is provided with a layer of sealing ring. The invention has the advantages of convenient use, safety and good sealing performance.

The invention discloses a push-pull PICC maintenance outcalls case. The outcalls case comprises a case body, a telescopic pull rod, a lifting handle and rollers; the case body is divided into a left upper accommodating cavity, a left lower accommodating cavity, a right upper accommodating cavity and a right lower accommodating cavity; an upper drawing opening penetrating through the left upper accommodating cavity and a lower drawing opening penetrating through the left lower accommodating cavity are formed on a front end surface of the case body, and an upper side opening penetrating throughthe right upper accommodating cavity and a lower side opening penetrating through the right upper accommodating cavity are formed on the right surface; an upper layer-layer storage drawer is arrangedat the left upper accommodating cavity, and a lower-layer storage drawer is arranged at the left lower accommodating cavity; a wet tissue storage box is arranged at the right upper accommodating cavity, and a medical sharp collection box and a medical waste storage box are arranged at the right lower accommodating cavity. The outcalls case disclosed by the invention can be portable and push-pull,so that the carry is convenient and power-saving; the aseptic articles for PICC maintenance are stored in the upper-layer storage drawer, and the conventional articles for PICC maintenance are storedin the lower-layer storage drawer, so that the aseptic articles and the conventional articles can be effectively isolated; the medical sharp collection box and the medical waste storage box are arranged at the right lower accommodating cavity so as to be used after being pulled out, and the use of the outcalls case is convenient.

The invention discloses a steering gear system and a method for accurately feeding back an operating current and an output torque in real time. The system includes a steering gear and a computer client. The steering gear is used as a lower computer to receive the command of a host computer and to make an action, and to feed back the data packet to the host computer. The steering gear includes a main controller of the steering gear, a temperature sensor, a current detecting chip A, a current detecting chip B, a potentiometer, an internal servo of the steering gear and internal motor of the steering gear. The computer client is used as the host computer to send control commands to the lower computer and visually present the data of the lower computer. The steering gear system of the invention uses two current detecting chips to measure the actual operating current of the steering gear, and is integrated in the steering gear without additional devices. When using, it only needs to receivethe feedback data packet of the steering gear to read the data. It has the characteristics of accurate data, small footprint and simple development. In particular, it solves the difficult problem ofhow to obtain the accurate operating current of the steering gear and accurately control the output torque.