80results about How to "Large deformation space" patented technology

The invention discloses a flexible and extensible multifunctional nanofiber sensor and a preparation method thereof. An electrostatic spinned polyurethane nanofiber membrane doped with graphene oxide is used as a flexible matrix. An in-situ polymerization method is used to in-situ polymerize conductive polymer polythiophene on the surface of the polyurethane nanofiber doped with graphene oxide, and the polyurethane / polythiophene nanofiber membrane which is doped with graphene oxide and is provided with a skin-core structure is prepared. The surface of the nanofiber membrane is compounded with a gel membrane with a conductive copper wire to prepare the flexible and extensible multifunctional nanofiber sensor. The sensor can be used for detecting multi-mechanical stimulation environments with pressure, stretching, bending and the like, and has the advantages of high sensitivity and wide sensing range. In a human body monitoring system, the sensor can monitor pulse, heartbeat, muscle group vibration and other human health physiological indicators in real time, and can detect the full-range movement of a human body, including the movement of facial expressions and large and small joints.

The invention relates to a steel structure beam column, in particular to a high-strength bolt connection joint for the steel structure beam column. The invention provides a slotted hole rotating type high-strength bolt connection ductility joint for the steel structure beam column, which comprises a column, a top flange plate of a beam, a bottom flange plate of the beam, a web of the beam, a top flange splicing plate of the beam, a bottom flange splicing plate of the beam, a web splicing plate and a plurality of web friction type high-strength bolts, wherein the top flange plate and the bottom flange plate are connected through the high-strength bolt in a butted mode. The bolt hole of the high-strength bolt is a slotted hole along the shearing direction of the bolt hole, and the high-strength bolt is positioned in the middle in the length direction of the slotted hole. The high-strength bolt connection ductility joint can provide larger distortion space, improve the energy consumption and the internal force redistribution capability of the structure, and cannot cause brittle failure during the earthquake; therefore, the shock-proof performance of the structure is enhanced.

The invention relates to a forming method of a silicon through hole. The forming method comprises the following steps: providing a semiconductor substrate; forming a ring-shaped through hole in the semiconductor substrate, wherein the semiconductor substrate inside the ring-shaped through hole is an isolated semiconductor pillar; forming diffusion barrier layers on the side wall and at the bottom of the ring-shaped through hole; full filling the ring-shaped through hole with a conductive layer; removing all the semiconductor pillar or removing part of the semiconductor pillar to reserve part of a thickness until an opening with a depth-to-width ratio of greater than or equal to 20 is formed; and sealing the opening to form an air gap. According to the method, firstly the ring-shaped through hole is formed, the ring-shaped through hole is full filled with the conductive layer, then the semiconductor pillar formed inside the ring-shaped through hole in a surrounding manner is removed to form the opening and the opening is sealed to form the air gap; the air gap provides a large deformation space for plastic deformation of the conductive layer and is beneficial for releasing stresses in the conductive layer and an insulating layer; the possibility that a silicon through hole generates the layering and cracking phenomena is reduced; and reliability of the silicon through hole is improved.

The invention relates to a drum-type shock absorption suspension device. Aiming at the defect that the shock absorption performance of the traditional drum-type shock absorption suspension device is not adapted to the shock characteristic of a cab, the invention constructs the drum-type shock absorption suspension device comprising an inner steel cylinder and an outer steel cylinder which are sleeved coaxially, wherein rubber is filled between the inner steel cylinder and the outer steel cylinder; the inner surface of the outer steel cylinder has two opposite partial inner surfaces, and gaps exist between the partial inner surfaces and the rubber and axially pass through two ends of the outer steel cylinder. Due to the existence of the gaps, the vertical rigidity and the longitudinal rigidity of a shock absorber are different; and the sizes of the gaps are determined according to the shock characteristics of various different devices, and thus, the shock absorption property of the shock absorber can be consistent with that of the cab.

The invention relates to a center pillar assembly of a sedan, which comprises a lateral outer skin, a center pillar inner skin, a center pillar reinforcer, a center pillar hinge installing reinforcerand a center pillar lower reinforcer, wherein the cross sections of the lateral outer skin and the center pillar reinforcer have U-shaped structure in the same direction; the lateral outer skin is coated outside the center pillar reinforcer; the lateral outer skin and the center pillar reinforcer are in butt welding with the center pillar inner skin; a center pillar cavity is formed between the center pillar reinforcer and the center pillar inner skin to provide larger deforming space, thus being capable of better absorbing energy during the lateral collision process, reducing invasion amountof the center pillar and reducing damage of passengers; the inner lateral surface of the center pillar reinforcer is also welded with the hinge installing reinforcer; the center lower reinforcer is welded at the lower part of the center pillar and the inner lateral surface of the hinge installing reinforcer to reinforce the integral structure of the center pillar, so that the energy during the lateral collision process is easy to be transmitted onto a doorsill beam and a roof crossrail by the center pillar, thus forming a complete energy transmission passage and guaranteeing the safety of thepassengers.

The invention discloses a solid-liquid four-phase horizontal spiral centrifuge, which belongs to the field of centrifugal separation equipment. The solid-liquid four-phase horizontal spiral centrifuge comprises a rotary drum, wherein the rotary drum comprises a first separation chamber, a second separation chamber and a separation plate, the first separation chamber comprises a conic section and a straight section, a spiral conveyor is arranged in the first separation chamber, an end cover is fixedly connected to the end of the second separation chamber, and liquid holes at different distances from the axis are radially formed in the end cover; the separation plate is arranged between the first separation chamber and the second separation chamber, an overflowing hole which is used for communicating the first separation chamber with the outer wall of the rotary drum and a communicating hole which is used for communicating the first separation chamber with the second separation chamber are formed in the separation plate, and the distances between one end, which is located in the first separation chamber, of the overflowing hole and the axis as well as between one end, which is located in the first separation chamber, of the communicating hole and the axis are different; and the end cover comprises the separation plate and an outer cover which is fixedly connected to the separation plate, and a cavity is formed between the separation plate and the outer cover. Compared with the prior art, the solid-liquid four-phase horizontal spiral centrifuge has the beneficial effects that solid-liquid-liquid-liquid four-phase separation is realized, the separation diversity is increased, the product quality and the production efficiency are increased, and the cost is reduced.

The invention relates to a sliding-plug door. The sliding-plug door comprises a driving mechanism, block connecting rod mechanisms and locking and unlocking mechanisms; the driving mechanism is arranged at the middle position and can provide driving force for the block connecting rod mechanisms which are symmetrically arranged on the left side and the right side of the driving mechanism so as to complete sliding-plug action and drive the locking and unlocking mechanisms which are symmetrically arranged on the left side and the right side to complete unlocking and locking actions when the dooris opened or closed; and the action input ends of the block connecting rod mechanisms are connected with the driving mechanism, the action output ends of the block connecting rod mechanisms are connected with a left door leaf or a right door leaf, and the block connecting rod mechanisms are used for providing driving force with the same effect for the left door leaf or the right door leaf connected with the block connecting rod mechanisms to enable the left door leaf and the right door leaf to do opposite movement or contrary movement simultaneously. According to the sliding-plug door, the driving mechanism is arranged at the middle position, the block connecting rod mechanisms and the locking and unlocking mechanisms are symmetrically arranged on the two sides of the driving mechanism, and the defects that the actions are inharmonious, and the two door bodies are stressed unevenly can be overcome through the structure.

The invention discloses a linear vibrating motor. The linear vibrating motor comprises a casing, a vibration assembly, a stator assembly and elastic components, wherein the vibration assembly comprises a mass block and magnets symmetrically embedded in the mass block; a first through hole is formed between two magnets in the mass block; the stator assembly comprises a coil located in the first through hole and a magnetism increasing component arranged in the coil; second gaps are reserved between two ends of the coil and two side wall surfaces of the first through hole; first gaps are formed between two ends of the mass block and the inner wall surface of the casing, and the two elastic components are arranged in the two first gaps. The magnetism increasing component increases a magnetic field produced by the coil to replace magnetic field driving force produced by multiple coils and magnets, and the required energy consumption is reduced by increasing the amplitude of the mass block; the second gaps serve as vibration space for linear movement of the mass block, so that the length of the casing is only required to be the sum of the length of the mass block and the length of the two first gaps, and the overall size of the motor is reduced.

The invention relates to a circular connector and a connector assembly. The connector assembly comprises a plug connector and a socket connector, wherein the plug connector comprises a plug shell, theperiphery of the plug shell is rotatably assembled with a connecting sleeve, the plug connector further comprises a plugging end which is mutually plugged with the socket connector, the inner circumferential surface of the plugging end is provided with a rotation-stopping spline, the periphery of the rotation-stopping spline is provided with a sealing ring, and the inner circumferential surface of the connecting sleeve is provided with an annular groove used for providing a radial deformation space for the sealing ring when the sealing ring is axially extruded by the front end face of the plugging end of the socket connector at the position corresponding to the sealing ring. The annular groove enables the sealing ring to have an enough large deformation space when being subjected to the axial extrusion and radial deformation of a socket shell. Meanwhile, the sealing ring in the gap will not be damaged because the gap between the inner wall of the connecting sleeve and the spline is too small when the connecting sleeve is screwed, and the service life of the sealing ring is prolonged. The resistance of the screwing is enabled to be reduced, and the screwing is more labor-saving.

The invention discloses a damping device and a device with the same, and belongs to the technical field of kitchen appliances and components of the kitchen appliances. By the aid of the damping deviceand the device, the problems of complicated structures, low resistance and the like of existing damping devices can be solved. The damping device comprises a mounting fixing shell cover, a seal cover, clips and an inner core. The shell cover and the seal cover can be closed up to form a closed space, the clips are arranged in the shell cover, and rotating force can be transmitted by hinge shaftsand the inner core; the clips comprise elastic force portions and blocking portions, inner core lugs are arranged on the outer wall of the inner core and are butted onto the blocking portions when theinner core rotates to reach set locations, and elastic force can be provided by the elastic force portions to the blocking portions, so that the rotational speeds of the inner core can be reduced. The damping device and the device with the damping device have the advantages that integral structures can be simplified, only few components are required, accordingly, the cost can be lowered, and thevolume of the device can be diminished; resistance can be provided by the clips, and accordingly the damping device and the device have large deformation spaces and the high elastic force.

The invention discloses a cavity type prevention device for tunnel bottom deformation of a ballastless track, and a construction method of the cavity type prevention device. The cavity type preventiondevice comprises cavity chambers formed in an inverted arch filling layer, and a plurality of vertical columns are further arranged inside the cavity chambers. The construction method comprises the steps that reinforcement cages of the inverted arch filling layer are bound; a plurality of inner formworks are arranged in the inverted arch filling layer in the longitudinal direction of a tunnel, sothat all the inner formworks form the required cavity chambers of a plurality of closed areas; and the inverted arch filling layer is poured, so that the inverted arch filling layer with the cavity chambers is formed. Through forming of the cavity chambers, a sufficiently large deformation space can be provided for tunnel bottom surrounding rock, the surrounding rock volume increment caused by surrounding rock stress adjusting can be counteracted by utilizing the cavity structures, and the situation that the surrounding rock volume increment directly affects a top plate of the inverted arch filling layer, and consequently the tunnel bottom arches upwards and is not smooth is avoided; and the cavity chambers play the roles of stress releasing and reducing of damage of the tunnel base loadto a tunnel inverted arch in the operation period simultaneously.

The invention discloses a mold injection molding device special for new energy automobile interiors, and relates to the technical field of mold injection molding. The mold injection molding device comprises a base, a mold combining structure and a feeding structure are arranged on the left side and the right side of the upper end of the base correspondingly, a heating structure is arranged betweenthe mold combining structure and the feeding structure, a hopper is arranged on the side, close to the heating structure, of the upper end of the feeding structure, and a material bin is arranged inthe hopper. Through the design of inner vibration grooves and guide blocks, when a windmill wheel rotates, vibration balls can move in the inner vibration grooves, and when the vibration balls move tothe surfaces of the guide blocks, the vibration balls move in the inclined direction, so that the vibration balls impact the side wall of the windmill wheel so as to generate vibration; and through the different rotating positions of the inner vibration grooves, the moving speeds of the vibration balls are different, the vibration balls impact the windmill wheel after moving so as to generate vibration, injection molding raw materials adhering to the windmill wheel are separated from the surface of the windmill wheel, blockage is avoided, and the injection molding raw materials circulate smoothly.

The invention discloses a faucet component. The faucet component comprises a filtered water control valve and a tap water control valve which are respectively connected with a water supply pipeline to output cold filtered water, hot filtered water, cold tap water and hot tap water; a Venturi effect part is arranged between the water inlet and the water outlet of the water supply pipeline; the local section decreasing part of the Venturi effect part leads to a closed space limited by an elastic deformable flexible diaphragm; the flexible diaphragm is gradually shrunk under the effect of the Venturi effect part in water supply, and can play the backwater effect through negative pressure when the water supply is stopped. Four water flows can be output through the faucet component, the water outlet pipeline is free from water, and the water outlet is free from leakage when a heater is used for heating.

The invention discloses a special mold injection molding device for new energy automobile interior decoration, relates to the technical field of mold injection molding, and comprises a base, and the left and right sides of the upper end of the base are respectively provided with a matching mold structure and a feeding structure, and the mixing mold structure A heating structure is arranged between the feeding structure and a hopper is arranged on the upper end of the feeding structure close to the heating structure, and a silo is arranged inside the hopper. Through the design of the inner shock groove and the guide block, the present invention can make the vibration ball move in the inner shock groove when the wind wheel rotates, and when the vibration ball moves to the surface of the guide block, the vibration ball moves in an inclined direction, so that The vibrating ball hits the side wall of the wind wheel to generate vibration. Through the different rotation positions of the inner shock groove, the moving speed of the vibrating ball is different. After the vibration ball hits the wind wheel after moving, the vibration is generated, so that the wind wheel adheres The injection molding raw material is separated from the surface of the wind wheel to prevent clogging and make the injection molding raw material flow smoothly.

The invention relates to a circular connector and a connector assembly. The connector assembly includes a plug connector and a socket connector. The plug connector includes a plug housing, and the outer circumference of the plug housing is rotatably equipped with a connecting sleeve. The outer peripheral surface is provided with anti-rotation splines, and the outer periphery of the anti-rotation splines is equipped with a sealing ring. An annular groove that provides radial deformation space for the seal ring during axial extrusion. The annular groove enables the sealing ring to have a large enough deformation space when it is axially squeezed and radially deformed by the socket housing. If it is too small, the sealing ring in the gap will be damaged, which improves the service life of the sealing ring, and makes the resistance during screwing smaller, and the screwing is more labor-saving.