48results about How to "Eliminate shaking" patented technology

The invention discloses a parallel groove clamp mounting tool, and solves the problem that the efficiency is low due to the fact that the existing parallel groove clamp needs to be operated cooperatively by multiple persons during lap joint. The invention provides a parallel groove clamp installation tool which comprises the components of a fixed plate which is provided with an open groove for the upper end of a parallel groove clamp to extend out, and the fixed plate is provided with a positioning part at the rear side of the open groove; the clamping block is arranged on the front side of the open groove, and the clamping block moves to clamp the upper end of the parallel groove clamp between the clamping block and the positioning part; the clamping block driving mechanism drives the clamping block to move; the supporting plate is arranged on the lower side of the fixing plate, an avoiding groove for avoiding a fastener on the parallel groove clamp is formed in the supporting plate, and a containing cavity for containing the parallel groove clamp is formed between the supporting plate and the fixing plate; the supporting plate driving mechanism drives the supporting plate to move upwards so as to close the parallel groove clamp; the clamping jaw is arranged on the rear side of the containing cavity, and the clamping jaw moves to clamp the branch line between the clamping jaw and the fixing plate; and the clamping jaw driving mechanism drives the clamping jaw to move. The invention further provides a parallel groove clamp doubling method.

The utility model provides a semiconductor die bonder and a positioning system thereof, the positioning system comprises a visual acquisition device and a heat insulation protection device, and the heat insulation protection device comprises a heat insulation cylinder, a light transmitting mirror and an air source. An air inlet hole and an air outlet hole are formed in the cylinder wall of the heat insulation cylinder, and the air source is communicated with the air inlet hole and used for filling normal-temperature or low-temperature air into the air inlet hole. Normal-temperature gas enters the thermal insulation protection device through the gas inlet, hot gas generated in the thermal insulation protection device is exhausted through the gas outlet, the interior of the thermal insulation protection device is cooled, meanwhile, the normal-temperature gas is continuously and slowly input for circulation, the gas in the thermal insulation protection device is kept in a normal-temperature state all the time, and therefore image shaking caused by hot air is eliminated; the problem that the picture position and the real position deviate is avoided, the reality of the picture is well ensured, the calculated coordinate is the real position coordinate, the accurate positioning of the die bonding workbench is ensured, the die bonding precision is improved, and the product quality is ensured.

Frame reinforcing integrated type counter-pressure casting equipment comprises counter-pressure casting equipment, a left reinforcing frame, a right reinforcing frame and a connecting flange base, the counter-pressure casting equipment is formed by connecting a bottom plate, a middle plate, a movable plate and a top plate together through four large bars, a crucible furnace is located between the bottom plate and the middle plate, and a mold is located between the middle plate and the movable plate. The movable plate is connected to an oil cylinder on the top plate, and mold opening and closing are achieved through stretching and retracting of the oil cylinder. The left reinforcing frame and the right reinforcing frame are respectively connected with a connecting flange seat, and the connecting flange seat is fixed on a bottom plate and a top plate of the counter-pressure casting equipment. The rigidity of the device can be improved, shaking is eliminated, and the problems that a casting is pulled, a copper sleeve of a device platen is abraded aggravated, and a large bar lock nut is prone to loosening are solved. Meanwhile, complete standardized design is achieved, final assembly debugging is completed before delivery, the installation and debugging time is greatly shortened, and the delivery cost is saved.

A drop hammer impact testing device for anchor bolts or anchor cables includes a lifting mechanism, a main frame, a hammer-grabbing device, a guide structure, a connecting structure, an impact force transmission mechanism, a hammer body, and a lifting rod. The main frame has a top plate at its top and a bottom plate at its bottom. The guide structure is located within the main frame, and the lifting mechanism is located on the upper surface of the top plate. The output end of the lifting mechanism is connected to the hammer-grabbing device, and the hammer body is located at the bottom of the hammer-grabbing device. Both the hammer-grabbing device and the hammer body are slidably fitted with the guide structure. This drop hammer impact testing device for anchor bolts or anchor cables solves the problem that the testing of anchor bolt or anchor cable support materials in related technologies focuses on static load testing, resulting in a lack of means to test the quality of anchor bolt or anchor cable support materials under impact loads.

The embodiment of the invention provides a semiconductor wafer Mask ultra-high-cleanliness mute intelligent storage warehouse, and relates to the technical field of semiconductor manufacturing auxiliary equipment, the semiconductor wafer Mask ultra-high-cleanliness mute intelligent storage warehouse comprises a stacking station main body, a storage box body and a sliding guide mechanism, a storage cavity used for containing the storage box body is formed in the stacking station main body, and a high-efficiency air filter is arranged at the top of the storage cavity; the inner sides of the rims are in interference fit with flanges on the two sides of the I-shaped sliding rail, the magnitude of interference gradually changes in the length direction of the sliding rail, the storage box is of a double-layer hollow structure, a miniature constant-temperature and constant-humidity unit is installed on the inner wall of the box, and an intelligent monitoring module is further arranged on the stacking station body. And the intelligent monitoring module comprises a dust sensor arranged in the storage box body and a central controller arranged on the stacking station main body. The sliding mechanism has the effects of sliding stability, ultrahigh cleanliness and low noise.

The invention relates to a gantry crane control method and system, an intelligent terminal and a storage medium, and relates to the field of gantry cranes. Acquiring scene data information and driver data information of a preset wharf based on the work triggering information; performing analysis according to the scene data information and the driver data information to determine working mode information and outputting a prompt; acquiring mode feedback information corresponding to the working mode information; analyzing according to the scene data information and preset gantry crane distribution information to determine a working gantry crane; and the remote control platform and the working gantry crane are connected according to the mode feedback information, and the working gantry crane is controlled to load and unload goods on the wharf. The gantry crane has the effect of improving the utilization rate of the gantry crane.

This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.

The utility model relates to the technical field of sound box frames, and discloses a multifunctional sound box foot stool, which comprises two transverse plates with the same structure, a placing plate is fixedly connected between the two transverse plates, the two transverse plates and the placing plate are hollow, and the two transverse plates and the placing plate are hollow. The two ends of the placing plate communicate with the two transverse plates, protective frames are fixedly connected to the upper surfaces of the two transverse plates, two-way threaded rods are rotationally connected to the positions between the two side walls of the interiors of the two transverse plates, and the surfaces of the two-way threaded rods are in threaded sleeve connection with two threaded sleeves; when the sound box frame is used, a sound box can be conveniently and rapidly driven to move in a labor-saving mode, meanwhile, the sound box can be fixed, shaking and collision in the moving process are avoided, meanwhile, resonance generated when the sound box plays can be effectively eliminated, and the sound quality can be improved.

The present invention relates to the technical field of shipborne sewage treatment, and specifically to a shipborne intelligent sewage treatment device and a water circulation regeneration system, comprising a pressure pump, a filter, a diaphragm reactor and a sedimentation chamber. The shipborne intelligent sewage treatment device is also provided with an electric control box on the outside. The sedimentation chamber comprises a box body, and both sides of the upper end of the box body are respectively provided with a water inlet and a water outlet assembly. The bottom of the box body is provided with a sewage discharge part, and a sewage collecting assembly is also provided at the bottom of the box body and on one side of the sewage discharge part. The sewage collecting assembly collects the sewage deposited at the bottom of the box body into the sewage discharge part, and can effectively discharge the sediment regularly to improve the sedimentation efficiency. At the same time, it can also prevent the shaking of the sewage in the sedimentation box caused by the shaking of the hull to ensure the sedimentation effect.

The utility model discloses a thin film solidification box, which relates to the technical field of coating machines and comprises a box body used for containing a solvent. The plurality of first driving rollers are used for winding a thin film; the plurality of second driving rollers are all arranged below the plurality of first driving rollers, and the plurality of second driving rollers are all used for winding a thin film; the first driving mechanism and the second driving mechanism are respectively used for driving the plurality of first driving rollers and the plurality of second driving rollers to rotate, so that the plurality of first driving rollers and the plurality of second driving rollers drive the film to move; and the multiple first spoilers are all arranged above the multiple second driving rollers, and the first spoilers are used for blocking flowing of the solvent so as to eliminate shaking of the solvent in the box body. And the multiple first spoilers can eliminate shaking of the solvent, so that the situation that ripples appear on the coating surface on the film due to the shaking solvent is avoided, and the yield of the finished film is improved.

The utility model discloses a guide rail with elastic buckle locking mechanism, including outer slide rail and inner slide rail, and the inner slide rail is sleeved in the outer slide rail inside, is equipped with steel ball holder between the outer slide rail and the inner slide rail, and the outer slide rail includes oppositely arranged fixed slide frame and movable slide frame, and the fixed slide frame and movable slide frame are all U type structure, and the U type opening oppositely arranged, and the inner slide rail is two U type inner slide frames, and the two U type inner slide frame openings are outward, and are connected through buckle back to back, and the opposite arc-shaped recesses are respectively arranged on the opposite wings of the fixed slide frame, movable slide frame and inner slide frame, and the arc-shaped recesses are jointly matched and constitute the steel ball movement track, and the upper wing board front end of fixed slide frame is equipped with the limit protrusion, and the upper wing board of movable slide frame is detachably connected with the elastic buckle of extending to the top of fixed slide frame near the rear end, and the elastic buckle is matched with the limit protrusion and realizes that movable slide frame is locked. The utility model discloses the guide rail, and the bearing capacity is strong, and the performance structure is stable, and the operation is smooth and fluent, and the locking function is reliable, and the maintenance is convenient and fast.

In order to solve the problems that according to an engine crankshaft assembly assembling and press-fitting method in the prior art, shaking or jerking may occur in the press-fitting process, position or size deviation may occur to a crankshaft assembly, the press-fitting quality of the crankshaft assembly is difficult to guarantee and the like, the utility model provides an engine crankshaft assembly assembling and press-fitting die frame which comprises a die frame body, the device comprises a bottom plate, a die column, a sliding plate, a connecting column, a connecting plate, a lower crank positioning mechanism, a connecting rod positioning seat, an upper crank positioning mechanism and an upper crank fixing mechanism, the lower crank positioning mechanism and the upper crank positioning mechanism are the same in structure and opposite in orientation, and each crank positioning mechanism comprises a base, a positioning seat, a guide shaft, a spring and an anti-falling bolt; the connecting rod positioning seat is a cuboid, and a connecting rod positioning column is arranged on the surface of the cuboid connecting rod positioning seat; the upper crank fixing mechanism comprises a supporting plate and a fixing rod. The crankshaft assembly press-fitting device has the advantages that shaking or pause possibly generated in the press-fitting process is eliminated, and position or size deviation possibly occurring in a crankshaft assembly is eliminated.

This utility model discloses a tooling fixture for machining automotive flanges, including a fixed support base, an electric rotating base, a clamping device, a limiting support column, and a limiting locking column. The electric rotating base is fixedly installed at the upper middle part of the fixed support base. The limiting support column and the clamping device are both mounted on a mounting plate on the upper rotating end of the electric rotating base. This utility model drives the limiting locking column to move up and down within the limiting support column by rotating a hexagonal prism-shaped first screw adjustment end. This allows it to adapt to flanges of different thicknesses, ensuring the bottom surface of the workpiece is stably supported and can be fully clamped and fixed by the clamping device. Each clamping device pushes the pressing and fixing end to move radially through a threaded adjustment rod. Combined with the sliding positioning of the sliding limiting frame on the limiting support base, it achieves the clamping of the outer edge of flanges of different diameters. The limiting locking column is inserted into the center hole of the flange to prevent radial displacement.

The present invention relates to a pipe pulling test machine. It includes a frame, a fixed clamping device, a movable clamping device, a movable crossbeam and a movable driving device; the fixed clamping device is fixedly installed on one longitudinal side of the frame and can clamp and fix one axial end of the pipe, the movable clamping device can clamp and fix the other axial end of the pipe, the movable crossbeam extends in the transverse direction, and the movable crossbeam is movably connected to the frame and can slide longitudinally relative to the frame, the movable driving device is installed on the frame and connected to the movable crossbeam to drive the movable crossbeam to move longitudinally; the movable clamping device is installed on the movable crossbeam; the pipe pulling test machine also includes a force sensor arranged between the movable clamping device and the movable crossbeam or between the movable crossbeam and the frame. The present invention can meet the requirements of pipe pulling test by pulling with the fixed clamping device and the movable clamping device in coordination, and collecting the test tension through the force sensor.

The utility model discloses a gapless locking rotary damping structure, and relates to the technical field of mechanical hardware. Comprising a rotating seat, rear fork pipes are arranged at the two ends of the rotating seat, and rotating damping structures are arranged at the joints of the rear fork pipes and the rotating seat. Through matched compression of a double-step iron washer and a clearance plastic bushing in the rotary damping structure and threaded interlocking of a locking nut and a screw rod, no clearance and uniform damping are achieved when the rear fork pipe set rotates, and it is ensured that folding automatic positioning is accurate and stable; the knob screw is meshed with the stud of the rear fork pipe cap to form axial locking force, shaking in the using state is effectively eliminated, the limiting design of the linear clamping ring is matched, it is guaranteed that when the knob screw is separated from the stud, the knob screw and the rotating base are still kept connected and prevented from falling off, rapid unlocking can be achieved, the rear fork pipe can be folded, and the overall structure integrates high-rigidity fixing and convenient operation; equipment reliability and user experience are remarkably improved, and the use requirements of users are met.

The application discloses a modular top sea container preloading module assembly matching management system and method, and relates to the technical field of intelligent assembly and data processing; the application collects measured point cloud data of a module to be assembled and a sea container base through a multi-source sensor, calculates and constructs a dynamic twin model with gravity deformation compensation, and outputs an optimal docking pose matrix that avoids deformation interference; laser tracking and PID closed-loop control are used for dynamic spatial attitude correction during hoisting; when the module is lowered to a blind connection height, the contact pressure of a standardized guide pin is collected in real time, the inclination angle and the lowering rate are dynamically fine-tuned according to a pressure variance mapping rule, and force sense flexible guidance is realized; the closed-loop monitoring of locking torque and the pressure maintaining data of the expansion sealing ring is performed, and automatic iterative remediation is executed when an abnormality occurs; the problems of jamming and sealing damage caused by deformation interference in traditional assembly are solved, and high-precision, flexible, leak-proof and whole-process traceable intelligent assembly is realized.

The application relates to a multifunctional biped robot foot structure which can adapt to different working states, and the whole foot structure is designed in a functional modularization mode; when walking is needed, the foot structure can acquire the sole sensor information in real time and realize self-adaptive posture adjustment of the biped robot on uneven and smooth ground through two stages, the two stages include preliminary fine adjustment of anti-skid air cushions and two-side torsional springs and comprehensive adjustment of five toe joints and two side plates made by a pneumatic driving mechanism; when the biped robot is in a state needing fixed foot structure such as grabbing, a plurality of pneumatic driving devices are driven to lift the toes and the side plates, a vacuum generator is driven and the gas in an adaptive suction disc mechanism is extracted, so that the biped robot foot structure is firmly adsorbed on the ground. The application realizes the adaptability of the robot foot to the ground in different working states by utilizing the torsional spring characteristics and the pneumatic control technology and cooperatively controlling the toes, the side plates and other mechanisms.

The utility model discloses a welding-free goods shelf capable of being disassembled and assembled at will, which belongs to the technical field of goods shelves and comprises a back plate, a first stand column and a second stand column are respectively arranged on two sides of the back plate, and a first cross beam and a second cross beam are respectively arranged above and below the back plate. The two ends of the first beam and the two ends of the second beam are connected with the first stand column and the second stand column in a clamped mode respectively, a first supporting plate is arranged at the lower end of the first stand column, and a second supporting plate is arranged at the lower end of the first stand column. The first stand column and the second stand column are each vertically provided with a limiting groove. When the device is used, the two ends of the second cross beam are clamped with the first stand column and the second stand column respectively, then the back plate is inserted into the first stand column and the second stand column along the limiting grooves until the lower end of the back plate abuts against the second cross beam, then the two ends of the first cross beam are clamped with the upper ends of the first stand column and the second stand column respectively, and then assembly of the device can be completed.

The utility model discloses a kind of adjustable damping rotating mechanism of SPA bed handrail, belong to cosmetology and physiotherapy equipment technical field.Aiming at the angle adjustment gear limited, operation is complicated, easy to shake and there is hidden danger problem existing in the current SPA bed handrail adopts index pin structure.The mechanism includes handrail mounting plate, rotating frame assembly, controllable gas spring, fixed rotating shaft assembly and rotating assembly;Handrail mounting plate top installs handrail pillow, rotating frame assembly is hinged with handrail mounting plate upper and lower support plate, controllable gas spring is located between the two and is equipped with handle switch to adjust locking height;Rotating assembly contains plane thrust bearing and self-locking nut, can realize horizontal arbitrary angle's stay and damping adjustable, cooperate nylon friction plate can reduce clearance shake and wear, rotating limiting column and buffer rubber sleeve can limit rotation range and provide buffer.The mechanism is used for the height and horizontal angle adjustment of SPA bed handrail, improves the regulation flexibility, operation convenience and use stability.

The utility model relates to the technical field of motorcycle auto parts, in particular to a motorcycle windshield structure which comprises a connecting frame and at least one self-locking driving mechanism rotationally connected with the connecting frame, first connecting rods are rotationally connected to the two sides of the upper portion of the connecting frame, and second connecting rods are rotationally connected to the two sides of the lower portion of the connecting frame. The first connecting rod and the second connecting rod are rotationally connected with a moving frame and are arranged in parallel; the self-locking driving mechanism comprises a motor and a speed reducing mechanism rotationally connected with the motor, a driving shaft is fixedly arranged at the output end of the speed reducing mechanism, and through cooperation of the motor and the speed reducing mechanism, a first connecting rod on the single side of the motorcycle windshield structure is driven. The first connecting rod drives the other first connecting rod and the second connecting rod to achieve linkage, then the movable frame is driven to conduct height adjustment, and distortion of the connecting rods or gear damage caused by distortion of the connecting shaft and the driving shaft and uneven stress of the connecting rods are avoided.

The invention belongs to the technical field of high pipe frame construction, and particularly relates to a high pipe frame construction device for building. The high pipe frame construction device comprises a pipe frame stand column, bending ends are arranged on the two sides of the front face of the pipe frame stand column, clamping holes are formed in the back face of the pipe frame stand column, a connecting piece is fixedly installed on one side of the pipe frame stand column, and a built-in cavity is formed in the front face of the connecting piece; a notch is formed in the bottom of the lower surface of the built-in cavity, a mounting plate is arranged at the top of the connecting piece, extending ends are arranged on the two sides of the upper surface of the mounting plate, holes are formed in one sides of the extending ends, and the pipe frame stand columns can be tightly connected through the connecting piece in a semi-surrounding type unique connecting mode; a traditional bolt connection mode is further improved, so that a pipe frame cross beam or a longitudinal pipe frame can be conveniently and efficiently installed on the same connecting piece, the installation operation of a plurality of pipe frames can be completed at the same time at a time, the construction efficiency is greatly improved, and the stability and reliability of pipe frame connection are effectively enhanced.

The invention relates to the technical field of filling production line equipment, and discloses a transfer device for a lubricating grease filling production line, which comprises a first box body, the inner surface of the first box body is rotatably connected with a rolling shaft, the top of the rolling shaft is rotatably connected with a second box body, and the inner surface of the second box body is fixedly connected with a position mutation mechanism. A conveying belt is rotatably connected to the outer surface of the rolling shaft, an angle rotating mechanism is clamped to the right side of the second box body, an auxiliary adjusting mechanism is fixedly connected to the inner surface of the angle rotating mechanism, a tensioning device is slidably connected to the inner surface of the second box body, and a driving device is fixedly connected to the inner surface of the second box body; according to the oil tank transfer device, the position sudden change mechanism is arranged, so that the oil tank and the transfer device move integrally, the oil tank can be flexibly allocated among different production areas, different production requirements are met, and the production safety is improved.

This application discloses a push lawnmower, including a body, a leveling component, a body height adjustment component, a shift plate, a front wheel assembly, a rear wheel assembly, and a cutting component. The rear wheel assembly includes a rotating shaft and a pair of rear wheels. The two ends of the rotating shaft are connected to the rear wheels. The rotating shaft is connected to the body through two assembly points. The line connecting the two assembly points forms a first axis, and the straight line connecting the centers of the pair of rear wheels forms a second axis. The first axis and the second axis are not coaxial. The body height adjustment component drives the rear wheels to rotate around the first axis. The shift plate includes a main body and a support body. The main body is connected to the body, and the support body is provided with a leveling component for direct contact with the ground. When the body is upright, the rear wheels are tangent to the ground. In each position of the body height adjustment component, the angle β between the straight lines L formed by the contact points between the leveling component and the ground and the contact points between the rear wheels and the ground is an acute angle. This application solves the problem of poor standing stability of lawnmowers in the prior art.

The utility model provides a kind of head-mounted video recording module and multi-scene connecting structure, belong to head-mounted video recording equipment technical field, including ear clip, elastic connecting pipe, plug-in part, video recording module, plug-in positioning mechanism and elastic pressure contact mechanism, the modular assembly of video recording module is realized by double buckle structure of plug-in positioning mechanism and elastic pressure contact mechanism composition, so that in the cooperation guide plug-in strip accurate alignment of positioning slot and ear seat, utilize torsional spring drive's pressure buckle locking elastic pressure slot, realize firm connection;Not only applicable to binaural wearing, but also can be through the overturning of silica gel cover to adapt to the different width of glasses leg of glasses, effectively eliminate shaking, significantly improve the scene compatibility and wearing reliability of equipment;Elastic connecting pipe uses the composite pipe body of embedded elastic metal core, outer coating flexible silica gel layer, two ends connect ear clip, utilize self elastic restoring force to provide sustained clamping force, ensure that wearing is stable and comfortable.

The utility model discloses a detachable polishing disk for a polishing machine, and relates to the technical field of polishing disks. The detachable polishing disc for the polishing machine comprises a polishing head and a driving shaft, a pressing column is installed at the back end of the polishing head, a limiting plate is fixedly arranged on the pressing column, limiting grooves are formed in the limiting plate in an annular array mode, the driving shaft is installed on the polishing machine, an inserting groove matched with the pressing column is formed in the driving shaft, and the pressing column is arranged in the inserting groove. A locking plate is arranged at the top end of the driving shaft and connected with the limiting plate in an attached mode, a shaft sleeve is rotationally connected to the driving shaft, and a gear ring is fixedly connected to the top end of the shaft sleeve. In order to overcome the defect that the stability of the polishing disc is reduced due to spring fixation, the pressing columns cannot move up and down in the inserting grooves through the matching effect of the limiting blocks and the limiting grooves, and then the stability of the polishing disc during operation is improved.

The application provides a self-locking hydraulic jacking device and a use method thereof, and belongs to the technical field of heavy load lifting equipment. The hydraulic jacking unit is used for hydraulic lifting operation on the pressure bearing plate. After the pressure bearing plate is lifted to a preset height, the first lock body unit, the second lock body unit, the third lock body unit and the fourth lock body unit form a multiple interlocking mechanical safety bearing state, so as to provide mechanical locking protection independent of the power source for the hydraulic jacking unit, and the hydraulic system pressure maintaining is not needed. The inherent risk of low safety redundancy and dependence on system pressure maintaining in the prior art is effectively solved, and the safety guarantee is provided for various high-safety construction heavy load lifting operations including hanging basket jacking.

The invention discloses an annular sensor, relates to the technical field of sensor equipment, and aims to solve the problem of inaccurate measurement due to existence of coupling force in an existing sensor. Comprising a sensor element, a positioning installation mechanism integrated bearing plate, a power connection port, an installation sleeve and a positioning assembly, the installation sleeve constructs a sensor installation frame, and the power connection port transmits electric signals. The opening mechanism is composed of a top plate, a telescopic piece, a bottom plate and an opening assembly, the opening assembly cooperates with the telescopic piece while the installation space is closed, and the coupling force generated when the sensor is pressed is reduced. When the sensor element is subjected to external pressure, the sensor element can be uniformly and stably expanded, and shaking and coupling force in the mounting sleeve are effectively eliminated, so that the accuracy and the stability of measurement are greatly improved.

The application relates to the field of faucets, in particular to a faucet which comprises a body, a pipe body, a water outlet head and a valve body, the body is provided with a mounting cavity, the pipe body is fixedly connected to the inner wall of the mounting cavity, one end of the pipe body is communicated with the water outlet head, the valve body is connected to the inner wall of the pipe body and is used for controlling the on-off of the pipe body, the outer wall of the water outlet head is provided with an embedding groove which is used for finger sticking. By arranging the embedding groove which is matched with the shape of a human finger on the outer wall of the water outlet head of the faucet, the gripping stability and comfort when operating with wet hands are remarkably improved, and the problems that the water outlet head with a traditional smooth surface is easy to slip and the operation is laborious are effectively solved.

The utility model discloses a smart voice control card dealer mainly relates to the field of card dealer. Including base, casing, be equipped with first motor in the casing, the rear side of casing top is equipped with card store, the front side of casing is equipped with the card dealer mouth with card store intercommunication, one side of main part member is equipped with second motor, and the output of second motor is respectively transmission connection has the card dialing rubber roll and the card issuing rubber roll, and the fixed gear is fixedly connected with through a plurality of arc grooves and screw fixed connection in the bottom of base, and the fixed gear is connected with the overshoot reset tension spring between base, and is equipped with encoder assembly on first motor, and the rear side of main part member is equipped with voice control assembly. The utility model has the beneficial effect that can realize the card dealing of arbitrary angle, solve the problem of the irregularity of multiple player seats, and the rotation positioning precision is higher, and the transmission efficiency is high, can also realize the smooth single card, avoid the problem of multiple card, card, and simplify the operation process through voice control, is favorable for the use of popularization.

The utility model discloses a kind of photolithography dense array microlens fusion soft light myopia prevention lens, it includes lens main body, the lens main body inside is equipped with functional area, the functional area includes inside and is equipped with central optical correction area and photolithography supermicro multifunctional structure area, the photolithography supermicro multifunctional structure area is located central optical correction area outside setting, the photolithography supermicro multifunctional structure area outside is equipped with annular blank area, the photolithography supermicro multifunctional structure area includes inside annular microstructure area, middle arrangement spoke-like microstructure area and outside dense array microstructure array area, in the gap of photolithography supermicro lens, through nanometer grade photolithography process production dot matrix soft light structure area.The utility model has the advantages compared with prior art in that: 1, reduce the significant attenuation that appears with time elapsing to prevention and control effect;2, almost no outstanding comfort;3, multiple mechanism synergy, prevention and control effect maximization.