48results about How to "With mute" patented technology

The invention discloses a rocker arm wheel type ground unmanned platform. The rocker arm wheel type ground unmanned platform is characterized by comprising a vehicle body and six independent wheel systems, and the wheel systems are symmetrically arranged on the two sides of the vehicle body; in the wheel systems, hub motors are arranged in wheel drive units located on the outer side of the vehicle body so that the ground unmanned platform can be driven and walk, the wheel drive units are connected with the vehicle body through rocker arm transmission units; and the rocker arm transmission units are connected to the wheel drive units through rocker arms externally hung on the side portion of the vehicle body in a suspension manner, rocker arm drive motors are used for making the rocker arms rotate on the outer side of the vehicle body with the axes of rocker arm bearings as rotary axes, and different motion postures of the ground unmanned platform are obtained. The six independent wheel systems control the positions of the respective rocker arms and the rotation speeds and the torque of the respective wheels so that the ground unmanned platform can adapt to various complex terrains, and the requirement for all-terrain passage is met.

The invention discloses a differential-steering unmanned motor vehicle. The differential-steering unmanned motor vehicle adopts an in-elbow drive technology, and a driving motor is put in a vehicle body. Compared with an adopted hub motor scheme, the size and weight requirements for the motor is reduced, the motor selection and adapting difficulty is greatly reduced, meanwhile a high-rotating-speed and high-power-density motor can be selected, higher power can be provided under the requirement that the vehicle weight is limited, and the maneuvering performance, especially the cross-country maneuvering performance of the vehicle is greatly improved. In addition, the motor and other large-mass parts are arranged inside a compartment, the unsprung mass of a suspension system is reduced, the response capability of a suspension is improved, meanwhile the moving load of the suspension is decreased, and the cross-country performance can be greatly improved.

The invention discloses a gait adjustable foot track type walking mechanism. The gait adjustable foot track type walking mechanism comprises a foot track system, a driving power system and a gait power system; the foot track system comprises a driving wheel, two tension wheels, a track and a foot track holding frame, wherein the track is wound on the driving wheel and the tension wheels, and the two tension wheels are both fixedly connected with the foot track holding frame; the driving power system comprises a driving servo motor, a driving decelerator and a spline transmission shaft which are connected sequentially, and the spline transmission shaft is fixedly connected with the driving wheel; and the gait power system comprises a gait adjusting servo motor, a synchronous transmission pair and a gait decelerator which are connected sequentially, and the output end of the gait decelerator is fixedly connected with the foot track holding frame. The gait adjustable foot track type walking mechanism combines the advantages of a wheel driving mode and a track driving mode, free shifting between the wheel driving mode and the track driving mode is achieved through the gait power system, and accordingly all-terrain traffic capacity of a ground unmanned platform is improved.

The invention relates to the field of door hinges, and particularly relates to a concealed automatic door closing hinge. The concealed automatic door closing hinge comprises a fixed seat mounted on adoor frame, a movable seat mounted on a door leaf and a hinge assembly. The fixed seat comprises a fixed seat outer seat and a fixed seat inner seat; the movable seat comprises a movable seat outer seat, a movable seat fixing block, a movable sliding block and a buffer mechanism, wherein the movable seat fixing block, the movable sliding block and the buffer mechanism are fixed in the movable seatouter seat; the buffer mechanism comprises a damping sleeve, a spring, a damper, a hinge buckle, a damping shifting block and a damping bearing, wherein the damper, the hinge buckle, the damping shifting block and the damping bearing are sequentially hinged; a spring clamping block is arranged at one end of the damping sleeve; the damper is embedded into the damping sleeve; the middle of the damping shifting block, the middle of the damping bearing and the spring clamping block are hinged; the damping sleeve is embedded into the middle of the spring; and the hinge assembly comprises a centerswing arm and a center swing arm rotary shaft.

The invention relates to a multifunctional mattress and in particular relates to a health preservation airflow cooling and heating mattress. The health preservation airflow cooling and heating mattress comprises a mattress main body and a cooling and heating pressurizing device which is connected with the mattress main body, wherein the mattress main body consists of independent circular pressure-bearing air bags, square alternated pressure-bearing air bags, cooling and heating air supply pipes which are uniformly distributed on the mattress main body, and pressurizing pipelines which are connected with the alternated pressure-bearing air bags; small blowing holes are formed in the two sides of the cooling and heating air supply pipes, and the small blowing holes of two adjacent cooling and heating air supply pipes are staggered so as to prevent airflow from opposite flowing; the independent circular pressure-bearing air bags consist of surface layers and bottom layers which are compounded to form a plurality of independent closed air bags, and the independent circular pressure-bearing air bags correspond to the heads of the independent closed air bags; the square alternated pressure-bearing air bags are provided with inflation bags and can be expanded or shrink to enable the closed air bags at the upper layer to move up and down. With the adoption of the health preservation airflow cooling and heating mattress, as the independent circular pressure-bearing air bags, the inflation bags, the integrally formed air supply pipes and the independent pressurizing pipelines are adopted, a conversion time interval of a contact region of a body can be set to be 1-25min to enable cells to be pressed and take a rest alternately, thus improving sleeping quality when ensuring growth of health cells and improving immunity of people.

The invention discloses a multi-layer composite floor and a production method thereof. The multi-layer composite floor comprises a PVC substrate layer (1), wherein a wrapper layer (2) is arranged on the upper surface of the PVC substrate layer (1); an oil paint layer (4) is arranged on the wrapper layer (2); the wrapper layer (2) is made of a wood veneer or a bamboo veneer; and a polyurethane bonding layer (3) is arranged between the wrapper layer (2) and the PVC substrate layer (1). The consumption of wood resources can be effectively reduced, and thus the multi-layer composite floor has energy-saving and environment-friendly effects. The multi-layer composite floor also has relatively high structure strength and overall stability.

The invention discloses a bionic sleep multifunctional multi-layer structure mattress, which comprises a mattress main body and a mattress outer coating layer, wherein a bamboo fiber antibacterial carbon crystal cloth weaving layer, a magnet layer, a silver fiber anti-radiation layer, a latex pressure-retarding layer, a far infrared heat generation element layer, a negative ion cotton layer, a Chinese herb fiber layer and an elastic multi-layer coconut fiber layer are sequentially superposed from top to bottom to form the mattress main body, the mattress main body is coated with the mattress outer coating layer, the mattress outer coating layer and the bamboo fiber antibacterial carbon crystal cloth weaving layer are fixed through sewing, and the layers are adhered through natural latex. The bionic sleep multifunctional multi-layer structure mattress of the present invention has characteristics of water resistance, oil resistance, antibacterial property, negative ion release, good elasticity, toughness, durability, safety, comfort, health and environmental protection.

The invention provides a micro-polluted water source biological treatment device, which belongs to the field of sewage treatment and comprises a reactor body, wherein the reactor body comprises a pre-treatment unit and a post-treatment unit, the pre-treatment unit is internally provided with a suspension filler layer, a modified zeolite layer, a cobble layer and a water-permeable supporting plate;the post-treatment unit is internally provided with a cobble layer, a modified zeolite layer, a quartz sand layer and a water-permeable supporting plate; the bottoms of the pre-treatment unit and thepost-treatment unit are both provided with a bottom water outlet chamber; a downflow weir and a water outlet pipe are arranged at the right side of the post-treatment unit and a backwash pipe is alsoarranged inside the reactor. The device has the advantages of capability of effectively improving the diversity of microbial living environment, strengthening the attachment of microorganisms and increasing the diversity of system biological species so as to strengthen the removal of nitrogen and organic matters in a micro-polluted water source, capability of effectively reducing system blockage,reducing system aeration and backwash energy consumption, easy management and the like, and can greatly reduce system operating cost.

The invention discloses a rotary hydrodynamic craft and a paddling method of the craft. The craft is provided with a water sealing base plate, a motor is arranged at the outer bottom of the water sealing base plate, double magnets are arranged on the motor, an impeller is arranged in the water sealing base plate, the double magnets are arranged on the impeller, the double magnets on the impeller and the double magnets on the motor repel each other, a storage supporting frame is fixed in the water sealing base plate, a bearing is installed on the storage supporting frame, a rotating ring body capable of reducing resistance and achieving overall balance is installed on the bearing, and an interior decoration object is installed on the rotating ring body; and the paddling method comprises thesteps that the impeller in the water is driven by the motor, the impeller is driven to rotate through rotation of the motor, the impeller rotates to enable the water to have driving force, the rotating impeller drives the water to flow in a circle in one direction, and the flowing water has the driving force to push the bearing, the rotating ring body and the interior decoration object to float and rotate according to the specific rotating direction and rotating angle. The landscape effect in the rotating process is good, and the impression of floating on the water is given to people.

The invention relates to the field of vacuum equipment, in particular to an electric vacuum baffle valve and vacuum equipment with the same. The electric vacuum baffle valve comprises a valve body, a partition plate, a valve element assembly, an electromagnetic push block, an ejector pin, a stepping motor and a control circuit board. The stepping motor drags the valve element assembly to rotate to enable the baffle to move up and down, the baffle is provided with a second rubber ring, and when the second rubber ring moves downwards to abut against the second sealing surface of the valve body, a first flange connector and a second flange connector are separated, and the electric vacuum baffle valve is closed. When the second rubber ring is moved upwards to be separated from the second sealing surface of the valve body, the first flange connector communicates with the second flange connector, and the electric vacuum baffle valve is opened. According to the electric vacuum baffle valve, the stepping motor is used as a driving element, and the defects that in the prior art, noise is large, vibration is large, and the energy consumption and waste are large are effectively overcome.

The invention discloses an optical device for virtual reality, which comprises a glass shell, a support plate, a face support frame and a head hoop, wherein the shell is provided with a lifting forcesupply device. Thus, the pressure on the head of a user by the weight of the device can be greatly reduced, possible damages to body parts such as the head and the neck after long time wearing can beavoided, and the comfort of the device wearing by the user is improved. Besides, as a head band is fixedly connected between the glass shell and the head hoop, the face pressure of the user can be shouldered in the case of use, and in match with a flexible foam pad arranged at the edge of the inner side of the face support frame and a buffer pad arranged at the inner side of the head hoop, the usecomfort is effectively enhanced.

The invention discloses a rotary damping device. The rotary damping device comprises a rotating shaft and a rotating base rotationally matched with the rotating shaft; an annular groove is formed in the inner wall of the rotating base; a guide belt is arranged in the annular groove, and is in rotary friction fit with the rotating shaft; the rotating base is radially provided with a through thread hole; and a jackscrew is arranged in the thread hole, is ejected against the outer wall of the guide belt, and presses the guide belt and the rotating shaft. The rotary damping device presses the guide belt on the outer wall of the rotating shaft through the jackscrew, so that the rotating shaft and the guide belt form rotary friction fit to generate a certain damping, and such advantages as wear resistance and silence are achieved; and the elasticity of the guide belt can be adjusted through the jackscrew, so that the damping magnitude is adjusted, and the damping effect between the rotating shaft and the rotating base is greatly improved.

A wood floor with the damp-proof function and the silencing function for floor heating comprises a wood floor body (1). A tenon (2) is arranged in the middle of the left side of the wood floor body (1). A mortise (3) is formed in the middle of the right side of the wood floor body (1). A cavity (4) is formed inside the wood floor body (1). Included angles of the cavity (4) are respectively provided with a fillet. A plurality of wood acoustic panels (5) are vertically connected inside the cavity (4). Gaps (6) are formed between the wood acoustic panels (5). A rabbet (7) is formed in the bottom of the wood floor body (1). A rubber layer (8) is connected to the bottom of the wood floor body (1) in a gluing mode through the rabbet (7). The upper surface of the rubber layer (8) is connected to the bottom ends of the wood acoustic panels (5). Horizontal and outward protrusions (9) are arranged on the side faces of the rubber layer (8) respectively. According to the wood floor, the cavity, the gaps, the wood acoustic panels and the rubber layer are arranged, as a result, the floor heating effect is guaranteed, the damp-proof function and the silencing function are achieved, the paving cost is reduced, and the paving process is simplified.

The invention discloses a spin-dry machine with a drying function. The spin-dry machine with the drying function comprises a machine body and a roller rotated in the machine body. The roller is driven to be rotated by a motor of a motor part. The upper end of the roller is provided with a turntable. A support plate is installed below the turntable. The support plate is pressed by the turntable. The circumference in the machine body is uniformly provided with three baffles. A press plate is rotatably installed above the baffles. The press plate is provided with a rolling ball B. A permanent magnet is installed below the press plate. Each baffle is provided with an electromagnet. The electromagnets attract the permanent magnet after electrified so that the rolling ball B on the press plate presses the turntable. An air injection part is installed below the roller. The air injection part is connected with an air inlet port. The bottom in the machine body is provided with an air pump. A rotation impeller of the air pump is connected with a driven pulley. The side edge of the roller is provided with rolling wheels. A driving pulley is coaxially connected below the rolling wheels. The driving pulley is connected with the driven pulley by a belt. Compared with the prior art, the spin-dry machine with the drying function has the advantages of silence, and is capable of avoiding balancing the roller automatically, and avoiding the vibration of the spin-dry machine.

The invention discloses a multifunctional computer table which comprises a tabletop and is characterized in that table legs are arranged on one lower side of the tabletop, a drawer group is arranged on the other lower side of the tabletop, a table lamp and a power supply module are mounted on the tabletop, the power supply module is positioned on the inner side of the tabletop, so that the computer table is complete in function and convenient to use and has the convenience functions such as illumination, silence, skid resistance, water resistance, storage, taking and placing, comfortable use experience is provided, and the computer table is applicable to families, offices and dormitories of universities.

The invention relates to a glass heat insulation mute coffee cup. The glass heat insulation mute coffee cup comprises a coffee tray, a coffee cup, a coffee spoon, a mute spacer and an anti-skid gasket; the mute spacer is placed on the surface of one side of the upper part of the coffee tray; the anti-skid gasket is arranged on the surface of the other side of the coffee tray; the coffee cup is placed and connected to the surface of the upper part of the coffee tray; the surface of one side of the coffee spoon is placed inside the coffee cup; a cup handle on the coffee cup comprises a force bearing arc rod, a slave force cup handle bracket and a master force cup handle bracket; one end of the force bearing arc rod is fixedly connected to the surface of the upper part of the coffee cup; oneend of the force bearing arc rod is fixedly connected to the surface of one end of the slave force cup handle bracket; the surface of the other end of the slave force cup handle bracket is fixedly connected to the surface of one end of the master force cup handle bracket; and the surface of the other end of the master force cup handle bracket is fixedly connected to the surface of the coffee cup.

The invention relates to a scroll painting displaying device. The scroll painting displaying device comprises a background frame and a base; the background frame is connected with the base, and the base is provided with power pieces; and one side of the background frame is provided with a rotary shaft used for moving a scroll painting, and the rotary shaft is connected with the power pieces and provided with the scroll painting in a sleeving mode. Compared with the prior art, the aesthetic diversity is improved, the whole displaying device does not need to be replaced during pattern replacement, the pattern replacement cost is low, operation is convenient and fast, and the practicality is high.

The invention relates to a speed reducer for a baby carrier, which comprises a speed reducer body, the speed reducer body is provided with an input end and an output end, the input end is provided with a motor and the output end is provided with an output interface, the speed reducer body comprises a base and a shell assembled on the base, a cavity used for containing a speed reduction mechanism is formed between the base and the shell, the speed reducing mechanism is arranged between the base and the shell, a driving gear drives an output gear to rotate through a small gear, zero-clearance conduction and high-precision and high-stability torque conduction are achieved, and good practical efficiency is achieved. By arranging the speed reduction mechanism, the speed reduction mechanism is simple in structure, small in size, capable of generating the highest efficiency and the large transmission ratio in the minimum space, and convenient to install and use.

The invention relates to a switch supporting frame of a network information technology. The switch supporting frame comprises a supporting frame, a first chain, a second chain, a fixing frame, a firstlifter and a second lifter. A plurality of supporting legs are fixedly connected to the bottom surface of the supporting frame, the first chain is fixedly connected to the surface at one side of theupper portion in the supporting frame, and the second chain is fixedly connected to the surface at the other side of the upper part in the supporting frame; the bottom ends of the first chain and thesecond chain are connected to the upper surface of the fixing frame, the fixed bottom surfaces of the first chain and the second chain are fixedly connected to the top ends of the first lifter and thesecond lifter, and the bottom end surfaces of the first lifter and the second lifter are fixedly connected to the inner bottom surface of the supporting frame.

The invention discloses a two-wheeled adjustable cleaning vehicle. The two-wheeled adjustable cleaning vehicle comprises two upright columns, two through grooves, two first slide pieces, a first adjusting slide rod, a first hollow rod, two first brackets, two second bracket and a mop fixing plate, wherein a U-shaped groove is axially formed in opposite side surfaces of the upright columns; the twothrough grooves are axially formed in the bottom surfaces of the U-shaped groove in the upper parts of the corresponding upright columns; the two first slide pieces are of a U-shaped structure and glidingly arranged on the outer sides of the upright columns in a sleeving manner; the first adjusting slide rod is arranged between the two upright columns and two ends penetrate the through grooves and the first slide pieces respectively and are in threaded connection with the first slide pieces; one end of the first hollow rod is in threaded connection with one end of the first adjusting slide rod; one ends of the two first brackets are correspondingly hinged with the upright columns close to the bottoms of the through grooves respectively; one ends of the two second bracket are correspondingly hinged with the middles of the first brackets respectively, and the other ends are rotationally and correspondingly arranged on the first adjusting slide rod in a sleeving manner; the mop fixing plate is of a rectangular platy structure, and the other ends of the first brackets are hinged with the axial two sides of the mop fixing plate respectively.

The invention provides a sound-absorbing and insulating brick. The brick disclosed by the invention is characterized in that a locating slot is formed in one side of a brick body; a locating wing is opposite to the locating slot; a plurality of concave points are arranged at one end face of the brick body; two through holes vertical to the surface of the brick body are formed in the brick body; and one through hole is filled with sound-absorbing materials and the other through hole is filled with phase change energy storage materials. The sound-absorbing and insulating brick disclosed by the invention has the advantages of being simple in structure and convenient to mount, playing a role in insulating, being capable of adjusting distribution of indoor sounds and being widely applicable to houses, restaurants, hotels, office buildings, commercial buildings and the like.

The invention discloses a piston type compressor which comprises a rack, wherein an air cylinder is arranged on the rack, a piston is arranged in the air cylinder and comprises a piston body and a piston ring, a piston rod is arranged on the piston, one end of the piston rod extends out of the air cylinder and is connected with a driving mechanism, and the driving mechanism comprises a rotating shaft, a guide rail and a sliding block, a left spiral groove and a right spiral groove are formed in the side body of the rotating shaft, the screw pitch of the left spiral groove is gradually reduced from right to left, and the screw pitch of the right spiral groove is equal to and not smaller than the screw pitch of the rightmost end of the left spiral groove. The rotating shaft is used for replacing a traditional crankshaft, and the piston type compressor has advantages of stability and silence. Due to the variable design of the screw pitch of the spiral groove, the piston is fed in a decelerating manner during working and returns uniformly and quickly during no-load, so that the power supplied to the piston is always matched with the working state of the piston, and the working efficiency is greatly improved; the design of the piston can reduce the friction with the cylinder and ensure the smoothness of an air inlet channel.