71 results about "Elasticity of a function" patented technology

The invention relates to a knitted fabric with multiple functions of keeping warm, absorbing moisture, releasing sweat and resisting bacteria. The knitted fabric comprises an outer layer, a middle layer and an inner layer, wherein the outer layer and the inner layer are connected with the middle layer through double-sided knitted structures; the outer layer has double-loop structure formed by interweaving hydrophilic yarns and elastic yarns; the inner layer has double-loop structure formed by interweaving moisture-transfer functional yarns containing antibacterial substances and elastic yarns; and the middle layer is made of elastic yarns with moisture-transfer function. A weaving method for the fabric comprises the following steps of: arranging a dial needle and a cylinder needle on a double-sided circular weft knitting machine in a double-rib arrangement mode; weaving the outer layer of the fabric by loops on the dial needle in a plaiting mode; weaving the inner layer of the fabric by loops on the cylinder needle in a plaiting mode; and finally weaving the middle layer of the fabric, and connecting the middle layer, the inner layer and the outer layer. The fabric has multiple functions of keeping warm, absorbing moisture, releasing sweat and resisting bacteria, has integral elasticity, and has the characteristics of flat appearance, massiveness, soft handfeel and the like.

Provided is a vacuum pump which can detect precisely physical contact between a rotor portion and a stator portion, and contact between the rotor portion and the stator portion that occurs as the amount of deposited solid product reaches the clearance between the rotor portion and the stator portion.

A vibration sensor is provided, taking advantage of a clearance, at the outer peripheral of a thread groove spacer. Contact between the rotor portion and the stator portion is decided, when a particular vibration during contact between the rotor portion and the stator portion exceeds a predetermined threshold value. The vibration sensor is mounted on the outer peripheral of the thread groove spacer at the end of the side of an exhaust port. The thread groove spacer is fixed on a casing via an elastic member (an O-ring) that have a vibration absorption (vibration damping) function of a cutoff frequency (fc1). A vibration signal outputted from the vibration sensor is converted into a digital vibration signal, and is inputted to a digital filter having a passing band of fc1 to fc2 [Hz]. If the vibration level of the vibration signal having passed through the digital filter exceeds a predetermined threshold value, it is detected that contact between the rotor portion and the stator portion has occurred in a turbo-molecular pump.

The invention relates to a high-wet-permeability and high-air-permeability Alsace knitted fabric and a preparation method thereof. The high-wet-permeability and high-air-permeability Alsace knitted fabric comprises an outer layer, a middle layer and an inner layer. The outer layer is provided with wet-absorption yarn, the inner layer is provided with wet-permeability yarn, the middle layer is provided with elastomeric yarn with a wet-permeability function, and the outer layer and the inner layer are connected through a double-face knitted structure. The preparation method includes that the high-wet-permeability and high-air-permeability Alsace knitted fabric is formed by knitting by using of a double-face circular knitting machine. The inner layer of the high-wet-permeability and high-air-permeability Alsace knitted fabric is provided with a coil protruding structure, and the contact area of the fabric and skin is small. Meanwhile, eyelets of the fabric are large, direct convection of the air inside and outside the fabric can be achieved, and wet around skin can be quickly exhausted out of the fabric. The high-wet-permeability and high-air-permeability Alsace knitted fabric and the preparation method thereof are simple in preparation technology and low in cost, and have good application prospect.

The invention relates to a fuel cell bi-polar plate with a compound sealed structure and a manufacturing method thereof. An air flow-field sealing element and a hydrogen flow-field sealing element are directly solidified and formed on seal groove surfaces of a cathode plate and an anode plate; a water flow-field sealing element is adhered with the cathode plate and the anode plate into an integer to form the bi-polar plate with the compound sealed structure; and the air flow-field sealing element, the water flow-field sealing element and the hydrogen flow-field sealing element are solidified to be formed on the surfaces of the cathode plate and the anode plate so as to form a molecule binding force sealing layer. The manufacturing method comprises the following steps of: completely processing a boundary dimension, a fluid passage and a fluid distribution passage to obtain the cathode plate and the anode plate by using graphite or metal as forming materials; processing an elastic sealing structure with a retardant function through a sealant coating process in an air seal groove and a hydrogen seal groove of the cathode plate and the anode plate by using a high-temperature solidifying sealant; then carrying out high-temperature solidification to obtain a single-polar plate with the compound sealed structure, and coating the sealant in a water flow-field seal groove of the single-polar plate with the compound sealed structure; and then manufacturing the fuel cell bi-polar plate with the compound sealed structure by pressing the cathode plate and the anode plate to carry out solidification through a press mould.

A resilient lower-back supporting device capable of vertical adjustment along with a backrest of a chair includes a resilient supporting unit pivotally connected between a lower end of the height-adjustable backrest and a supporting element. Configured for resilient extension and retraction, the resilient supporting unit includes an outer supporting rod and an inner supporting rod inserted therein. The two supporting rods are pulled toward each other by a spring provided therebetween. Besides, a spring is provided at an outer end of each supporting rod to bias the resilient supporting unit and the backrest toward a predetermined direction. With the backrest being vertically adjustable, and with the resilient support provided by a lower-back supporting portion at the lower end of the backrest, people of different heights are ergonomically supported especially on the lower back while sitting in the chair and are protected from back pain attributable to a prolonged sitting posture.

A knee joint prosthesis with functions of the elastic meniscus comprises a thighbone component; the thighbone component comprises a tibia component; the tibia component comprises a tibial plateau and a tibial tray; an elastic part with functions of the elastic meniscus is arranged between the tibial plateau and the tibial tray and is in contact with the bottom of the tibial plateau; the elastic part can be an elastic pad; the elastic pad is matched with the space which is positioned between the tibial plateau and the tibial tray and capable of accommodating the elastic pad in shape and size; a limit post is arranged below the tibial plateau; a positioning hole is formed on the elastic pad and in a position corresponding to the limit post; and the limit post passes through the positioning hole to be fixed in a clearance fit with an inner hole of a fixing post on the tibial tray. Since the elastic material or part (namely the elastic part) is additionally arranged between the tibial plateau and the tibial tray to simulate the functions of the natural meniscus, the following effects can be achieved that the operation difficulty during operation can be reduced; a favorable buffer can be provided for the knee joint after operation; oscillation conveyed among the joints can be absorbed; abrasion can be reduced substantially; the flexion range of the knee joint can be expanded; and compared with a traditional knee joint prosthesis, the knee joint prosthesis provided by the utility model can improve physical performance of the lower limbs of a human body.

The invention discloses an elastic online experiment teaching system based on virtualization. The elastic online experiment teaching system based on virtualization comprises one or more computational nodes and a management mode, wherein the computational nodes are used for providing an experiment virtual environment; one or more computational nodes are in both-way junction with the management node respectively; the management mode is used for managing one or more computational nodes. According to the elastic online experiment teaching system based on virtualization disclosed by the invention, through one or more computational nodes for providing the experiment virtual environment and the management node for providing a management function, adaptive layout for an online experimental environment and functions is realized.

The mechanical meshing transmission stepless speed variator is for vehicle use. The stepless speed variator includes power input shaft, chain wheel transmission part connected with the input shaft via intermediate gear, outer meshed planetary chain wheel controlled by the driven chain wheel, variable-radius rotating arm connected integrally with the power output shaft, variable-radius chain meshed to the outer meshed planetary chain wheel, variable-radius wheel internally connected to the variable-radius chain and rotating around the outer meshed planetary chain wheel, roller wheel fixed on the variable-radius rotating arm, hydraulic servo part inside the variable-radius rotating arm to make the outer meshed planetary chain wheel mesh with the variable-radius chain, radially moving chainwheel with overrunning clutch, and elastic sliding block-guide rail mechanism. It has the advantages of great transmission moment, high transmission efficiency and reliable, etc.

The invention discloses a short-cylinder harmonic reducer with a gap compensation function. The reducer comprises a gear ring separation type rigid wheel, a wave generator and a flexible wheel. The gear ring separation type rigid wheel comprises a rigid wheel outer ring and a flexible inner gear ring, wherein an elastic compensation device which is provided with an arc-shaped groove in the surfaceand has a function of reducing a gap is arranged on the rigid wheel outer ring, the rigid wheel outer ring serves as an end cover and is installed on the wave generator through a roller bearing, theseparated rigid wheel outer ring is also used as an inner ring of a crossed roller bearing between the flexible wheel and the rigid wheel, the flexible inner gear ring is matched with the elastic compensation device and can be deformed along with long-axis movement of the wave generator, the gap compensation function is achieved, the inner gear ring and the rigid wheel outer ring are fixed throughlimiting, a flexible bearing is arranged on the wave generator, a flexible bearing outer ring and a flexible wheel inner ring are tightly pressed, gear teeth of the flexible wheel are meshed with gear teeth of the flexible inner gear ring, and the flexible wheel and an outer ring of the crossed roller bearing are fixed into a whole. According to the reducer, the length of the reducer is reduced,the structure is compact, the gap compensation function is further achieved, so that the service life is prolonged, and the transmission precision is improved.

The invention discloses an elastic press roller with the soil crashing function. The elastic press roller is composed of a hub welding device, a hole structure elastic body and a soil crashing device. The elastic press roller works and walks forwards under the action of external force; when encountering large soil blocks, grid bars of the soil crashing device crush the soil blocks to make soil fine, grid bar structures are pressed into soil, the hole structure elastic body on the surface of the press roller makes contact with the soil to produce interaction force, the hole structure elastic body elastically deforms and twists, the deformed and twisted parts, separated from the soil after making contact with the soil, of the hole structure elastic body reset under the action of the elasticity of the hole structure elastic body, the soil falls off from the surface of the press roller, and the soil is pressed tightly. The elastic press roller is simple in structure, convenient to operate, high in practicality and wide in application range; the slip rate can be reduced, the operation quality can be improved, the operation energy consumption can be reduced, the operation efficiency can be improved, the adherency degree of the press roller with the soil in the operation process can be reduced, the large soil blocks produced in the operation process can be crushed, and the pressing force of the press roller to the soil can be reduced.

The invention relates to the technical field of wind turbine generator couplers, and provides an elastic wind power coupler with stepless speed change and on-off functions. The elastic wind power coupler comprises a first flange used for being connected with a gearbox, a second flange used for being connected with a motor shaft, and a coupler intermediate shaft. One end of the coupler intermediate shaft is connected with the first flange through a speed controller, and the other end of the coupler intermediate shaft is connected with the second flange through a diaphragm coupler. The speed controller comprises a shell, a piston arranged in the shell and matched friction plate sets arranged between the shell and the coupler intermediate shaft. The elastic wind power coupler further comprises an oil way and an oil supply system. According to the elastic wind power coupler, the structure is simple, stepless speed reduction for the input rotating speed is achieved, smooth transition of torsion between a gearbox input shaft and a motor output shaft can be achieved, the on-off function and the torque protection function are achieved, the offset between the gearbox and an electric generator shaft is compensated, working conditions of the shafts and supports are improved, vibration is reduced, and shaft system resonance is avoided.

The invention belongs to an experimental instrument and an application and especially relates to an extraction device and applications thereof to extraction, oil extraction and measurement for oil content of microbial cell. The extraction device comprises a hopper body, a guide pipe, a faucet cavity and a faucet, wherein the upper end of the hopper body is opening; the guide pipe is arranged on the lower part of the hopper body; the faucet cavity is arranged in the middle of the guide pipe; the upper and lower ends of the guide pipe are communicated with the faucet cavity; the faucet is in rotating sealing fit with the inner surface of the faucet cavity and is provided with a through hole; the guide pipe and the hopper body above the faucet cavity are transparent. The extraction device further comprises a centrifuge bottle with a bottle opening at the top end, wherein the centrifuge bottle is made of an elastic material with a self-resetting function; an interface in sealing communication with the bottle opening at the upper end of the centrifuge bottle is formed on the outer side of the lower part of the guide pipe. The experimental instrument is used for solving the problems of complex applied equipment and complex operation of the extraction and measuring method in the prior art and has the advantages of simple equipment structure, high-speed operation, small measuring error, and the like.

The invention discloses a slow-closure type check valve, which comprises a valve body. A valve seat is arranged on the valve body; a rotary plate is rotatably arranged on the valve seat and is fixedlyconnected with a valve rod; a return rod is arranged on a side face of the rotary plate; an elastic rod is fixedly connected between the return rod and the valve body; a pair of damping fins are further arranged on the valve body and are movably connected with a valve clack; the clamping fins are connected through a linear spring; a reducing pipe is further connected onto the valve body; and a connector is arranged on the tail end of the reducing pipe. According to the slow-closure type check valve provided by the invention, the rotary plate is fixedly connected onto the valve rod, the elastic rod with a rebounding function is arranged between the rotary plate and the valve body and is used for rebounding the valve clack, and when the valve clack is closed by the impact of a fluid, the elastic rod can provide a support elastic force for the valve clack, so that the valve clack and the valve body cannot be collided, the valve clack is closed slowly, and the service life of the valve clack can be effectively prolonged.

The invention relates to elastic latex paint provided with the functions of dewfall prevention and mildew-proof. The elastic latex paint comprises a pulping component and a paint mixing component, wherein the pulping component and the weight ratio thereof adopt that water occupies 8 percent to 10 percent, propanediol occupies 2 percent to 5 percent, dispersant occupies 0.4 percent to 0.8 percent, wetting agent occupies 0.2 percent, antifoaming agent occupies 0.2 percent, antiseptic occupies 0.15 percent, dry film anti-mildew agent occupies 0.6 percent, anatase titanium dioxide occupies 4 percent to 7 percent, expanded perlite occupies 20 percent, calcined kaolin occupies 7 percent, diatomite occupies 10 percent, and heavy calcium 800 head occupies 8 percent; the paint mixing component and the weight ratio thereof adopt that elastic emulsion occupies 30 percent to 40 percent; film forming additive occupies 0.5 percent, antifoaming agent occupies 0.2 percent; pH conditioning agent occupies 0.15 percent to 0.2 percent, 20 percent of aqueous solution of thickener occupies 4 percent to 5 percent, leveling agent occupies 1 percent to 1.5 percent, and the residual is water. The elastic latex paint is used for preventing the breeding of the mildew and the dewing on the inner wall of the cigarette factory, and the elastic latex paint has the advantages of economy and practicality, obvious efficacy, and is simple and convenient for manufacturing, storage and transportation.

The invention discloses a comprehensive self-cooled shaft seal system. The comprehensive self-cooled shaft seal system is used for rotary sealing of a joint part between a speed reducer shaft and a machine box and comprises an end cover fixing assembly, a heat conduction and heat dissipation ring, a static auxiliary seal ring, a static sealing liquid friction ring, a rotary sealing liquid assembly and a driving key located on a shaft; the end cover fixing assembly comprises a fastener, a machine case seal ring, an end cover and a stop dowel; the rotary sealing liquid assembly comprises a rotary sealing liquid friction ring, an elastic and composite pressing component with the sealing function and an outer spiral groove driving base. According to the comprehensive self-cooled shaft seal system, the problems of the respiration effect of a framework oil seal and oil leakage caused by jittering of the speed reducer shaft due to the insufficient machining accuracy of the machining technology can be solved, and the service life of a shaft seal device can be greatly prolonged; the reasonable pressure design is adopted in a speed reducer with low rotation speed, and therefore the good effect that the shaft seal device of the speed reducer does not need to be replaced during the service life can be realized, and the production cost and the social resources can be saved.

The invention provides a massage device with an elastic structure, belonging to healthcare equipment. The massage device comprises a frame body and a handle, wherein an elastic functional structure for realizing a massage function is arranged on the frame body; and the elastic functional structure comprises an elastic connection body connected with the frame body and an array composed of two or more functional heads. Because the array composed of the two or more functional heads is arranged, the massage contact area is increased; meanwhile, an elastic body is also arranged at the fixed end of the elastic connection body, therefore, elasticity is increased in the use process of a user, and massage strength can be well grasped.

The invention discloses an elastic band for strengthening male erectile function and aims at providing an elastic band for strengthening the male erectile function, which has simple structure, low cost, good adaptivity, and convenient taking on and off, so as to enable the penis to erect for obtaining comfortable sex life. The elastic band comprises an elastic ring (1) which is internally provided with a cavity (11), a section opening is arranged on the elastic ring (1), and two sides of the section opening are provided with two magnets (3) which are attracted mutually and two opening parts (2) used for separating from the two magnets (3). The invention can be widely applied to the family health field.

The invention discloses a wire scratch preventing mechanism for a wire winder. The wire scratch preventing mechanism mainly comprises an arc-shaped wire leading block matching a round radian of a stator; an elastic sheet assembly is mounted on the arc-shaped wire leading block; the elastic sheet assembly mainly comprises a wire scratch preventing stop block capable of being inserted into a wire inlet notch of the stator, a fixing component for fixing the wire scratch preventing stop block, and an elastic device which enables the wire scratch preventing stop block to have a return function. According to the wire scratch preventing mechanism provided by the invention, an enameled wire can be effectively prevented from being scratched when entering a slot.

The invention provides an elastomer modified bituminous waterproof coiled material having stabilizing and reinforcing functions. The upper end of a contact layer of the coiled material is connected with the lower end of a thermoplastic bituminous modification layer, the upper end of the thermoplastic bituminous modification layer is connected with the lower end of a polyester bonding layer, stabilizing and reinforcing wires are arranged in the polyester bonding layer, the upper end of the polyester bonding layer is connected with the lower end of a tough transition layer, the upper end of the tough transition layer is connected with the lower end of a first waterproof layer, the upper end of the first waterproof layer is connected with a rigid modified layer, the upper end of the rigid modified layer is connected with a rigid waterproof layer, rigid waterproof layer clamping grooves are formed in the upper end of the rigid modified layer, netted fastening layers are arranged in the rigid waterproof layer clamping grooves, and splicing clamping blocks are arranged at the two sides of the polyester bonding layer and the two sides of the rigid modified layer. The elastomer modified bituminous waterproof coiled material has the advantages that waterproofness and stability of the coiled material are effectively improved.

The invention provides an elastic covered wire with a light storage function and a production method thereof. The light-storage elastic covered wire comprises a sheath layer material and a core wire,wherein the sheath layer material covers the core wire, and a crystal phase and an amorphous phase in at least a part of region of the sheath layer material are subjected to phase separation ; one ormore of the sheath layer material and the core wire contain a light storage material. According to the light-storage elastic covered wire, the crystal phase and the amorphous phase of the sheath layermaterial are in phase separation, so that the radial contraction of the sheath layer is realized, the radial contraction (namely radial expansion) of the sheath layer is combined with the axial contraction (namely radial expansion) of the core wire, and the sheath layer is tightly combined with the core wire, so that the strength, the bending resistance, the scratch resistance and the abrasion resistance as well as the elasticity recovery rate are improved, and the elasticity recovery rate of stretching, bending and compression exceeds 99%; during stretching, bending and extruding, the core wire and the sheath layer are not prone to stripping. The light storage material is distributed in the sheath material or the core wire to achieve the effects of absorbing, storing and emitting light and has good washing resistance, oxidation resistance, luminous efficiency and light intensity.

The invention discloses a school bag capable of preventing students from forgetting books and a method thereof, and relates to the technical field of school supplies. The school bag comprises a schoolbag body. A lifting ring is arranged on the top of the school bag body. Two sides of the inner side surface of the school bag body are provided with a left strap and a right strap respectively. The external side surface of the school bag body is provided with an elastic support plate with an anti-collision function. An integrated package is embedded in the elastic support plate and is composed ofa two dimensional code scanner, a positioning module, a power supply, an alarming module, a storage module, a display screen, a communication module, and a microcomputer processing module. The integrated package communicates with APP in a mobile phone of a guardian. A two dimensional code technology is adopted, the technical problem that taken books are not accorded with the curriculum schedule due to negligence of students is solved; at the same time, through the positioning module, the students can be monitored in real time, the accident is prevented, the technology is advanced, and the appearance is beautiful.